Zeolite biomineral organic compound fertilizer and preparation method thereof

Abstract

The invention relates to the technical field of mixed fertilizer manufacturing, in particular to a zeolite biomineral organic compound fertilizer and a preparation method thereof.The zeolite biomineral organic compound fertilizer is prepared from a microbial agent raw material, a mineral compound raw material and an organic fertilizer raw material, the zeolite biomineral organic compound fertilizer is prepared from the raw materials for preparing the zeolite biomineral organic compound fertilizer according to a formula of the zeolite biomineral organic compound fertilizer, and the formula of the zeolite biomineral organic compound fertilizer comprises the following components in parts by mass: M1, M1 is a first preset mass part, M1 is a second preset mass part, and M1 is a second preset mass part. M1 is set to be 15 parts; the mass part of the mineral compound raw material is M2, M2 is a second preset mass part, and M2 is set to be 25 parts; the mass part of the organic fertilizer raw material is M3, M3 is a third preset mass part, and M3 is set to be 60 parts. The preparation efficiency of the organic fertilizer and the microbial fertilizer is improved.

Description

Technical Field

[0001] The invention relates to the technical field of mixed fertilizer manufacturing, in particular to a zeolite biomineral organic composite fertilizer and a preparation method thereof. Background Art

[0002] In agricultural production, fertilizer is a key factor in the healthy growth of crops and is directly related to the yield and quality of agricultural products. Traditional fertilizers mainly composed of chemical fertilizers and organic fertilizers have problems such as low fertilizer utilization rate and poor soil specificity. Mineral fertilizers rich in various mineral elements combined with organic fertilizers to prepare organic compound fertilizers will help agricultural production break through these difficulties.

[0003] Chinese Patent Publication No.: CN110963832A discloses a bio-organic compound fertilizer, which is composed of the following raw materials in parts by weight: 15-30 parts of livestock and poultry manure, 70-85 parts of crop straw, 1-5 parts of bean cake, and 5-10 parts of biological microbial agent, and discloses a preparation method of the bio-organic compound fertilizer. The bio-organic compound fertilizer of the invention combines bio-fertilizers with traditional organic fertilizers, and has a very rich organic matter content. The contained biological microbial agent can decompose mineral phosphorus and potassium in the soil and release a variety of nutrients such as phosphorus and potassium. The fermentation efficiency of existing organic fertilizers and microbial fertilizers is low, and it is impossible to achieve the loading and precise release of fast-acting trace elements, resulting in insufficient soil targeting. Moreover, since the surface coating of the fertilizer does not match the actual situation of the fertilizer, the fertilizer is prone to decompose too quickly due to natural reasons, resulting in low utilization rate. Summary of the Invention

[0004] To this end, the present invention provides a zeolite biomineral organic composite fertilizer and a preparation method to overcome the problems in the prior art of low fermentation efficiency of organic fertilizers and microbial fertilizers, inability to achieve the loading and precise release of fast-acting trace elements, resulting in insufficient soil targeting, and due to the mismatch between the fertilizer surface coating and the actual situation of the fertilizer, the fertilizer is easily decomposed too quickly due to natural reasons, resulting in low utilization rate.

[0005] To achieve the above-mentioned object, on the one hand, the present invention provides a zeolite biomineral organic composite fertilizer, wherein the raw materials for preparing the zeolite biomineral organic composite fertilizer include a microbial agent raw material, a mineral complex raw material, and an organic fertilizer raw material. The raw materials for preparing the zeolite biomineral organic composite fertilizer are prepared according to the zeolite biomineral organic composite fertilizer formula to obtain the zeolite biomineral organic composite fertilizer, wherein the zeolite biomineral organic composite fertilizer formula includes: The mass fraction of the microbial agent raw material is M1, wherein M1 is the first preset mass fraction, and M1 is set to 15 parts; The mass fraction of the mineral composite raw material is M2, wherein M2 is a second preset mass fraction, and M2 is set to be 25 parts; The mass parts of the organic fertilizer raw material is M3, wherein M3 is a third preset mass parts, and M3 is set to be 60 parts.

[0006] Furthermore, the microbial agent raw materials include Bacillus subtilis, Bacillus licheniformis and photosynthetic bacterial strains, wherein: The mass fraction of the Bacillus subtilis is MG1, and MG1=5 parts; The mass fraction of the Bacillus licheniformis is MG2, and MG2=5 parts; The mass fraction of the photosynthetic bacteria strain is MG3, and MG3=5 parts.

[0007] Furthermore, the mineral composite comprises natural zeolite, vermiculite raw material and montmorillonite raw material, wherein: The mass fraction of the natural zeolite is MS1, and MS1 is set to 15 parts; The mass fraction of the vermiculite raw material is MS2, and MS2=5 parts; The mass fraction of the montmorillonite raw material is MS3, and MS3 is set to be 5 parts.

[0008] Furthermore, the organic fertilizer includes animal manure, crop straw and kitchen waste, wherein; The mass of the animal feces is MY1, and MY1=20 parts; The mass of the crop straw is MY2, and MY2=30 parts; The mass of the kitchen waste is MY3, and MY3=10 parts is set.

[0009] On the other hand, the present invention also provides a method for preparing a zeolite biomineral organic composite fertilizer, the method comprising: Step S1, testing the soil and obtaining the test results; Step S2, preparing the microbial agent raw material, the mineral complex raw material and the organic fertilizer raw material respectively according to the test results to obtain the microbial agent, the mineral complex and the organic fertilizer; Step S3, according to the formula of the zeolite bio-mineral organic composite fertilizer, the microbial agent, the mineral composite and the organic fertilizer are placed in a high-speed blender and mixed to obtain a uniform mixture; Step S4, performing intelligent fermentation on the uniform mixture to obtain intelligently fermented zeolite biomineral organic compound fertilizer, and putting the intelligently fermented zeolite biomineral organic compound fertilizer into a ring die extrusion granulator for granulation to obtain finished zeolite biomineral organic compound fertilizer particles, performing surface coating on the finished zeolite biomineral organic compound fertilizer particles to obtain covered finished zeolite biomineral organic compound fertilizer particles, and curing the covered finished zeolite biomineral organic compound fertilizer particles to obtain zeolite biomineral organic compound fertilizer.

[0010] Furthermore, when testing the soil in step S1, the soil environment measurement virtual simulation software is used to test the nitrogen content Q and phosphorus content L of the soil sample to obtain the test results, and the nitrogen content Q and phosphorus content L in the test results are compared with the preset nitrogen content standard value Q0 and the preset effective phosphorus content standard value L0, respectively. The soil nitrogen content supply and the soil effective phosphorus supply are judged according to the comparison results, and the soil is regulated and managed according to the judgment results, wherein: When Q≥Q0 and L<L0, the soil nitrogen content supply is judged to be up to standard, and the soil available phosphorus supply is not up to standard. The soil is regulated and managed, and available phosphorus is released into the soil until L≥L0; When Q≥Q0 and L≥L0, the soil nitrogen content supply is judged to be up to standard, the soil available phosphorus supply is up to standard, and no soil regulation and treatment is performed; When Q<Q0 and L≥L0, the soil nitrogen content supply is judged to be substandard, and the soil available phosphorus supply is up to standard. The soil is regulated and managed, and the available nitrogen is released to the soil until Q≥Q0; When Q<Q0 and L<L0, it is determined that the supply of available phosphorus in the soil does not meet the standard. The soil is regulated and managed, and quick-acting phosphorus and quick-acting nitrogen are released into the soil until L≥L0 and Q≥Q0.

[0011] Furthermore, when preparing the microbial agent raw material in step S2, the initial Bacillus subtilis and the initial Bacillus licheniformis in the microbial agent raw material are placed in a beef extract peptone slant culture medium, and the initial Bacillus subtilis and the initial Bacillus licheniformis are inoculated and cultured for an inoculation culture time t1 to obtain Bacillus subtilis and Bacillus licheniformis species, and the Bacillus subtilis and Bacillus licheniformis species are placed in an intelligent fermentation tank, and the fermentation temperature is set to T1, the pH value is set to H1, and the fermentation temperature is set to H2. The Bacillus subtilis and the Bacillus licheniformis are fermented at a first stirring speed V1 and a first fermentation time t2 to obtain fermented Bacillus subtilis and fermented Bacillus licheniformis, and the fermented Bacillus subtilis and fermented Bacillus licheniformis are centrifuged according to a first centrifugal speed V2, a first centrifugal time t3 and a centrifugal technique to obtain Bacillus subtilis and Bacillus licheniformis, and the initial photosynthetic bacterial strain in the microbial agent raw material is placed in a photosynthetic bacterial culture medium, and the second inoculation culture medium is used. The initial photosynthetic bacteria strain is inoculated and cultured for a culture time t4 to obtain a photosynthetic bacteria strain, the photosynthetic bacteria strain is placed in an intelligent fermentation tank, the photosynthetic bacteria strain is fermented at a second fermentation temperature T2, a light intensity G1, and a second fermentation time t2 to obtain a fermented photosynthetic bacteria strain, and the fermented photosynthetic bacteria strain in the intelligent fermentation tank is collected using an ultrafiltration membrane with a pore size of dn to obtain photosynthetic bacteria cells, and Bacillus subtilis, Bacillus licheniformis and photosynthetic bacteria cells are spray-dried and the photosynthetic bacteria cells are dried according to a ratio of 1:1: 1, and evenly mix them in a ratio of 1 to obtain the prepared microbial agent, and set 24h≤t1≤48h, 30℃≤T1≤37℃, 150r / min≤V1≤300r / min, 72h≤t2≤120h, 5000r / min≤V2≤8000r / min, 10min≤t3≤15min, 48h≤t4≤72h, 25℃≤T2≤30℃, 5000lx≤G1≤10000lx, 0.1μm≤dn≤0.45μm.

[0012] Further, when the mineral composite raw material is prepared in the step S2, the natural zeolite, the vermiculite raw material and the montmorillonite raw material are respectively placed in a crusher and crushed to 100 mesh to obtain the crushed natural zeolite, the crushed vermiculite raw material and the crushed montmorillonite raw material, the crushed natural zeolite is placed in a beaker and 10% citric acid is added and soaked for 2 hours, after soaking is completed, it is washed with deionized water to obtain zeolite particles, the crushed vermiculite raw material is placed in a preheating furnace and preheated for 1 hour, and the preheated crushed vermiculite raw material is placed in a high-temperature puffing furnace, and the preheated crushed vermiculite raw material is puffed for 30 seconds at a puffing temperature T4 to obtain Vermiculite particles: crushed montmorillonite raw material is placed in a planetary ball mill and ground at a grinding speed V3 until the particle size is less than 100 nm to obtain montmorillonite particles; 15 parts of the zeolite particles, 5 parts of the vermiculite particles, and 5 parts of the montmorillonite particles are placed in a high-speed blender and mixed at a stirring speed V4 for 2 hours; 1% silane coupling agent is added and reacted in a fluidized bed at a temperature of 300°C for 1 hour to obtain a mineral mixture; the conditions are set at 800°C ≤ T4 ≤ 1000°C, 200 r / min ≤ V3 ≤ 600 r / min, and 1000 r / min ≤ V4 ≤ 5000 r / min; When preparing the organic fertilizer raw material in step S2, the animal manure, the crop straw and the kitchen waste are placed in a grinder and crushed into animal manure, crop straw and kitchen waste of length L to obtain crushed organic fertilizer raw material, and the moisture content of the crushed organic fertilizer raw material is adjusted to a moisture content hs by spraying water to obtain organic fertilizer, setting 2 cm ≤ L ≤ 4 cm, 50% ≤ hs ≤ 60%.

[0013] Furthermore, in step S3, the microbial agent, the mineral complex and the organic fertilizer are placed in a high-speed mixer and mixed according to the formula of the zeolite bio-mineral organic composite fertilizer to obtain a mixed powder, and the uniformity of the mixed powder is monitored using a particle size analyzer to obtain a mixed powder uniformity JY. The mixed powder uniformity JY is compared with a preset mixed powder uniformity JY0, JY0 ≥ 90%, and the mixed powder uniformity is judged based on the comparison result, wherein: When JY≥JY0, the uniformity of the mixed powder is determined to be unsatisfactory, and the mixed powder is mixed and stirred again until the uniformity of the mixed powder is determined to be satisfactory. When JY<JY0, the uniformity of the mixed powder is determined to be up to standard, and the mixed powder is discharged from the inner container of the high-speed mixer to obtain a uniform mixture.

[0014] Furthermore, in step S4, the uniform mixture is placed in an intelligent fermentation chamber, and fermented at a third fermentation temperature T5, a fermentation humidity sd, and an aerobic fermentation time t5. The uniform mixture is turned over every 4 hours to obtain a fermented uniform mixture. After obtaining the fermented uniform mixture, the intelligent fermentation chamber is sealed, and the intelligent fermentation chamber is allowed to synthesize humus at a synthesis temperature T6 to obtain a humus synthesis mixture. The humus synthesis mixture is sampled and tested for a carbon-nitrogen ratio C using a carbon-nitrogen ratio meter to obtain a carbon-nitrogen ratio C. The carbon-nitrogen ratio C is compared with a preset carbon-nitrogen ratio standard value C0, and the fermentation state is judged based on the comparison result, wherein: When C<C0, the fermentation state is determined to be incomplete, and the fermentation of the pile body is continued at the third fermentation temperature T5, fermentation humidity sd and aerobic fermentation time t5 until the fermentation state is determined to be complete. When C≥C0, the fermentation state is determined to be complete, and the fermentation is terminated to obtain the intelligent fermentation zeolite biomineral organic compound fertilizer, with the setting of 55℃≤T5≤65℃, 168h≤t5≤240h, 40℃≤T6≤45℃, sd=60%; In the step S4, the intelligent fermented zeolite biomineral organic compound fertilizer is put into the crusher again and crushed to 15 mesh to obtain the crushed intelligent fermented zeolite biomineral organic compound fertilizer, and the crushed intelligent fermented zeolite biomineral organic compound fertilizer is put into the ring die extrusion granulator for granulation, and humic acid with a mass proportion of the total mass X1 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer, a seaweed extract with a mass proportion of the total mass X2 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer, and biochar with a mass proportion of the total mass X3 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer are added as adjuvants, and the granulator is started with an extrusion pressure PJ and a granulation speed vz for granulation to obtain finished zeolite biomineral organic compound fertilizer particles, and the setting is 0.1%≤X1≤1%, 0.5%≤X2≤5%, 15%≤X3≤30%, 5MPa≤PJ≤15MPa, and 50r / min≤vz≤150r / min; In the step S4, when the surface coating of the finished zeolite biomineral organic composite fertilizer particles is performed, nano-titanium dioxide, ethanol and polyvinyl pyrrolidone are weighed in a ratio of 5:100:1, the nano-titanium dioxide, the ethanol and the polyvinyl pyrrolidone are added to an ultrasonic dispersion device and ultrasonically treated for 60 minutes at an ultrasonic dispersion power of P1 to obtain a nano-titanium dioxide dispersion liquid, epoxy acrylate, benzoin dimethyl ether and a leveling agent are weighed in a ratio of 100:2:1 and put into a blender for stirring to obtain a mixed solution, and the nano-titanium dioxide dispersion liquid and 10 mL each of the ethanol and polyvinyl pyrrolidone are added to the mixed solution. The organic solvent acetone is added, and stirring is continued for 30 minutes to obtain a photosensitive resin coating material of nano-oxide, and the photosensitive resin coating material of nano-oxide is covered on the surface of the finished zeolite biomineral organic compound fertilizer particles by a surface coating covering method to obtain the covered finished zeolite biomineral organic compound fertilizer particles, and the covered finished zeolite biomineral organic compound fertilizer particles are sent to an ultraviolet curing box for curing to obtain zeolite biomineral organic compound fertilizer. The surface coating covering method comprises: using an air spray gun to spray the photosensitive resin coating material of nano-oxide on the surface of the finished zeolite biomineral organic compound fertilizer particles.

[0015] In step S4, when spraying the photosensitive resin coating material of the nano-oxide, nano-titanium dioxide, ethanol and polyvinyl pyrrolidone are weighed in a ratio of 5:100:1, and the nano-titanium dioxide, the ethanol and the polyvinyl pyrrolidone are added to an ultrasonic dispersion device for ultrasonic treatment for 60 minutes. The polyvinyl pyrrolidone is used as a dispersant, and the power of the ultrasonic dispersion device is controlled to P1 to obtain a nano-titanium dioxide dispersion. Epoxy acrylate, benzoin dimethyl ether and a leveling agent are weighed in a ratio of 100:2:1 and put into a blender for stirring. After stirring evenly, the nano-titanium dioxide dispersion and 10 mL of the organic solvent acetone are added each time to adjust the viscosity of the photosensitive resin coating material of the nano-oxide. Stirring is continued for 30 minutes to obtain the photosensitive resin coating material of the nano-oxide. Subsequently, an air spray gun is selected to cover the surface coating on the surface of the finished zeolite biomineral organic composite fertilizer particles, and the finished zeolite biomineral organic composite fertilizer particles after spraying are sent to a UV curing box for curing to form a uniform and dense coating to obtain the zeolite biomineral organic composite fertilizer.

[0016] Compared with the prior art, the beneficial effect of the present invention is that the preparation method can accurately understand the nutrient status, microbial activity and physical and chemical properties of the soil by testing the soil through the step S1, realize the loading and precise release of fast-acting trace elements, and ensure the accuracy and pertinence of the fertilizer formula; the step S2 can specifically supplement the nutrients and microorganisms required by the soil by separately preparing microbial agents, mineral complexes and organic fertilizers, improve soil structure, enhance soil fertility and promote crop growth, thereby improving the utilization efficiency of organic fertilizers; the step S3 uniformly mixes the microbial agents, mineral complexes and organic fertilizers through a high-speed mixer to improve the application effect of organic fertilizers; the step S4 can effectively activate the microbial activity in the fertilizer and improve the fermentation efficiency through the intelligent fermentation process, thereby improving the production efficiency of organic fertilizers and microbial fertilizers; the granulation process makes the fertilizer particles uniform and easy to apply and store; the spraying and curing of the nano-oxide photosensitive resin coating material can enhance the slow-release performance of the fertilizer, reduce nutrient loss, and improve the utilization rate and durability of the fertilizer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the process for preparing the mineral-organic compound fertilizer of this embodiment. DETAILED DESCRIPTION

[0018] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are merely used to explain the present invention and are not intended to limit the present invention.

[0019] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0020] A zeolite biomineral organic composite fertilizer, wherein the raw materials for preparing the zeolite biomineral organic composite fertilizer include a microbial agent raw material, a mineral compound raw material, and an organic fertilizer raw material. The raw materials for preparing the zeolite biomineral organic composite fertilizer are used to prepare the zeolite biomineral organic composite fertilizer, wherein the formula of the zeolite biomineral organic composite fertilizer includes: The mass fraction of the microbial agent raw material is M1, wherein M1 is the first preset mass fraction, and M1 is set to 15 parts; The mass fraction of the mineral composite raw material is M2, wherein M2 is a second preset mass fraction, and M2 is set to be 25 parts; The mass parts of the organic fertilizer raw material is M3, wherein M3 is a third preset mass parts, and M3 is set to be 60 parts.

[0021] Specifically, the zeolite biomineral organic composite fertilizer is used in agricultural production as a soil conditioner and plant nutrient supplement. The addition of the microbial agent raw material can increase soil enzyme activity, promote nutrient conversion and circulation, and facilitate plant absorption. The addition of the mineral complex raw material can improve soil structure, increase soil aeration and water retention, promote soil health, and provide a good growth environment for plant roots. The addition of the organic fertilizer raw material can provide rich organic matter, increase soil permeability, water retention and fertilizer retention, improve soil fertility and productivity, promote soil microbial activity, and help maintain soil ecological balance.

[0022] Specifically, the microbial agent raw materials include Bacillus subtilis, Bacillus licheniformis and photosynthetic bacterial strains, wherein: The mass fraction of the Bacillus subtilis is MG1, and MG1=5 parts; The mass fraction of the Bacillus licheniformis is MG2, and MG2=5 parts; The mass fraction of the photosynthetic bacteria strain is MG3, and MG3=5 parts.

[0023] Specifically, the microbial agent raw material refers to a live bacterial preparation raw material containing beneficial microorganisms, the Bacillus subtilis refers to Gram-positive bacteria in the soil, the Bacillus licheniformis refers to soil probiotics, and the photosynthetic bacterial strain refers to microorganisms that use light energy for photosynthesis, such as Rhodospirillum and Chlorosulphurobacterium.

[0024] Specifically, by adding Bacillus subtilis, plant growth regulators can be secreted to promote plant growth and development, while inhibiting the growth and reproduction of pathogens and improving the disease resistance of plants. By adding Bacillus licheniformis, insoluble nutrients in the soil can be decomposed to improve soil fertility. At the same time, substances that promote root growth can be secreted to enhance the absorption capacity of plant roots. By adding photosynthetic bacterial strains, organic matter produced through photosynthesis can be improved to improve the soil microenvironment and promote plant growth and development.

[0025] Specifically, the mineral composite raw materials include natural zeolite, vermiculite raw materials and montmorillonite raw materials, wherein: The mass fraction of the natural zeolite is MS1, and MS1 is set to 15 parts; The mass fraction of the vermiculite raw material is MS2, and MS2=5 parts; The mass fraction of the montmorillonite raw material is MS3, and MS3 is set to be 5 parts.

[0026] Specifically, the mineral complex raw material refers to a mixture containing natural minerals, the natural zeolite refers to a porous silicate mineral raw material, the vermiculite raw material refers to a layered silicate mineral raw material, and the montmorillonite raw material refers to a silicate clay mineral raw material with a layered structure.

[0027] Specifically, by adding natural zeolite, harmful substances in the soil, such as heavy metal ions and harmful organic matter, can be adsorbed, and trace elements beneficial to plants can be released. At the same time, good air permeability can be maintained to provide a suitable growth environment for plant roots. By adding vermiculite raw materials, it swells when exposed to water to form a sponge-like structure to increase the soil's water retention capacity, while providing growth space for plants and promoting the development and growth of the root system. By adding montmorillonite raw materials, nutrient elements beneficial to plants can be released to regulate the nutrient balance of the soil.

[0028] Specifically, the organic fertilizer raw materials include animal manure, crop straw and kitchen waste, among which; The mass of the animal feces is MY1, and MY1=20 parts; The mass of the crop straw is MY2, and MY2=30 parts; The mass of the kitchen waste is MY3, and MY3=10 parts is set.

[0029] Specifically, the organic fertilizer raw material refers to a material derived from animal and plant residues, excrement and kitchen waste. The animal manure refers to the excrement of livestock and poultry. The crop straw refers to the stems and leaves remaining after the crops are harvested. The kitchen waste refers to food residues and discarded ingredients generated by households, restaurants and canteens.

[0030] Specifically, by adding animal manure, the organic matter content of the soil can be increased and the pH of the soil can be neutralized, providing comprehensive nutritional support for plants, thereby improving the soil's aeration and water retention, and promoting plant growth and development. By adding crop straw, the soil's aggregate structure can be increased, making the soil more loose and fertile, promoting soil fertility and plant growth. By adding kitchen waste, kitchen waste can be converted into organic fertilizer, providing nutrients for plants, thereby improving resource utilization efficiency.

[0031] See also Figure 1 , which is a schematic flow chart of the method for preparing zeolite biomineral organic composite fertilizer according to this embodiment, the method comprises: Step S1, testing the soil and obtaining the test results; Step S2, preparing the microbial agent raw material, the mineral complex raw material and the organic fertilizer raw material respectively according to the test results to obtain the microbial agent, the mineral complex and the organic fertilizer; Step S3, according to the formula of the zeolite bio-mineral organic composite fertilizer, the microbial agent, the mineral composite and the organic fertilizer are placed in a high-speed blender and mixed to obtain a uniform mixture; Step S4, performing intelligent fermentation on the uniform mixture to obtain intelligently fermented zeolite biomineral organic compound fertilizer, and putting the intelligently fermented zeolite biomineral organic compound fertilizer into a ring die extrusion granulator for granulation to obtain finished zeolite biomineral organic compound fertilizer particles, performing surface coating on the finished zeolite biomineral organic compound fertilizer particles to obtain covered finished zeolite biomineral organic compound fertilizer particles, and curing the covered finished zeolite biomineral organic compound fertilizer particles to obtain zeolite biomineral organic compound fertilizer.

[0032] Specifically, the present invention is used in agricultural production. The preparation method can accurately understand the nutrient status, microbial activity and physical and chemical properties of the soil by testing the soil through the step S1, realize the loading and precise release of fast-acting trace elements, and ensure the accuracy and pertinence of the fertilizer formula. The step S2 can specifically supplement the nutrients and microorganisms required by the soil by separately preparing microbial agents, mineral complexes and organic fertilizers, improve soil structure, enhance soil fertility and promote crop growth, thereby improving the utilization efficiency of organic fertilizers. The step S3 uniformly mixes the microbial agents, mineral complexes and organic fertilizers through a high-speed mixer to improve the application effect of organic fertilizers. The step S4 can effectively activate the microbial activity in the fertilizer and improve the fermentation efficiency through the intelligent fermentation process, thereby improving the production efficiency of organic fertilizers and microbial fertilizers. The granulation process makes the fertilizer particles uniform and easy to apply and store. The spraying and curing of the nano-oxide photosensitive resin coating material can enhance the slow-release performance of the fertilizer, reduce nutrient loss, and improve the utilization rate and durability of the fertilizer.

[0033] Specifically, when testing the soil in step S1, the soil environment measurement virtual simulation software is used to test the nitrogen content Q and phosphorus content L of the soil sample to obtain the test results, and the nitrogen content Q and phosphorus content L in the test results are compared with the preset nitrogen content standard value Q0 and the preset effective phosphorus content standard value L0, respectively. The soil nitrogen content supply and the soil effective phosphorus supply are judged according to the comparison results, and the soil is regulated and managed according to the judgment results, wherein: When Q≥Q0 and L<L0, the soil nitrogen content supply is judged to be up to standard, and the soil available phosphorus supply is not up to standard. The soil is regulated and managed, and available phosphorus is released into the soil until L≥L0; When Q≥Q0 and L≥L0, the soil nitrogen content supply is judged to be up to standard, the soil available phosphorus supply is up to standard, and no soil regulation and treatment is performed; When Q<Q0 and L≥L0, the soil nitrogen content supply is judged to be substandard, and the soil available phosphorus supply is up to standard. The soil is regulated and managed, and the available nitrogen is released to the soil until Q≥Q0; When Q<Q0 and L<L0, it is determined that the supply of available phosphorus in the soil does not meet the standard. The soil is regulated and managed, and quick-acting phosphorus and quick-acting nitrogen are released into the soil until L≥L0 and Q≥Q0.

[0034] Specifically, the soil environment measurement virtual simulation software refers to a software tool for virtual detection and analysis of soil samples through computer simulation technology, such as being set to three-dimensional virtual simulation technology. The soil sample refers to a soil sample collected from a specific area for analyzing the physical, chemical, biological properties and pollutant content of the soil. The specific area refers to the area where soil detection is required. The nitrogen content refers to the total content of all forms of nitrogen elements in the soil sample. The phosphorus content refers to the content of available phosphorus in the soil sample. The test result refers to the data obtained after the test. The preset nitrogen content standard value refers to the reference value of the total nitrogen content in the soil set according to crop requirements and soil fertility standards, such as being set to 1 mg / kg. The preset available phosphorus content standard value refers to the reference value of the total nitrogen content in the soil set according to crop requirements and soil fertility standards. The reference value of the set soil available phosphorus content can be set to 5 mg / kg, for example. The soil nitrogen content supply situation refers to whether the total nitrogen content in the soil meets the crop growth requirements. The soil nitrogen content supply situation includes the soil nitrogen content supply situation being on-standard and the soil nitrogen content supply situation being substandard. The soil available phosphorus supply situation refers to whether the available phosphorus content in the soil meets the crop growth requirements. The soil available phosphorus supply situation includes the soil available phosphorus supply situation being substandard and the soil available phosphorus supply situation being on-standard. The regulation and control refers to measures for fertilizing the soil based on the judgment results of the soil nitrogen content supply situation and the soil available phosphorus supply situation. The fast-acting phosphorus refers to phosphorus fertilizer that is quickly absorbed and utilized by plants, and the fast-acting nitrogen refers to nitrogen fertilizer that is quickly absorbed and utilized by plants.

[0035] Specifically, step S1 detects soil samples through soil environment measurement virtual simulation software to achieve the loading and precise release of fast-acting trace elements, thereby improving the accuracy and pertinence of fertilizer formulations.

[0036] Specifically, when preparing the microbial agent raw material in step S2, the initial Bacillus subtilis and the initial Bacillus licheniformis in the microbial agent raw material are placed in a beef extract peptone slant culture medium, and the initial Bacillus subtilis and the initial Bacillus licheniformis are inoculated and cultured for an inoculation culture time t1 to obtain Bacillus subtilis and Bacillus licheniformis species, and the Bacillus subtilis and Bacillus licheniformis species are placed in an intelligent fermentation tank, and the fermentation temperature is set to T1, the pH value is set to H1, and the fermentation temperature is set to H2. The Bacillus subtilis and the Bacillus licheniformis are fermented at a first stirring speed V1 and a first fermentation time t2 to obtain fermented Bacillus subtilis and fermented Bacillus licheniformis, and the fermented Bacillus subtilis and fermented Bacillus licheniformis are centrifuged according to a first centrifugal speed V2, a first centrifugal time t3 and a centrifugal technique to obtain Bacillus subtilis and Bacillus licheniformis, and the initial photosynthetic bacterial strain in the microbial agent raw material is placed in a photosynthetic bacterial culture medium, and the second inoculation culture medium is used. The initial photosynthetic bacteria strain is inoculated and cultured for a culture time t4 to obtain a photosynthetic bacteria strain, the photosynthetic bacteria strain is placed in an intelligent fermentation tank, the photosynthetic bacteria strain is fermented at a second fermentation temperature T2, a light intensity G1, and a second fermentation time t2 to obtain a fermented photosynthetic bacteria strain, and the fermented photosynthetic bacteria strain in the intelligent fermentation tank is collected using an ultrafiltration membrane with a pore size of dn to obtain photosynthetic bacteria cells, and Bacillus subtilis, Bacillus licheniformis and photosynthetic bacteria cells are spray-dried and the photosynthetic bacteria cells are dried according to a ratio of 1:1: 1, and evenly mix to obtain the prepared microbial agent, and set the temperature to be 24h≤t1≤48h, 30℃≤T1≤37℃, 150r / min≤V1≤300r / min, 72h≤t2≤120h, 5000r / min≤V2≤8000r / min, 10min≤t3≤15min, 48h≤t4≤72h, 25℃≤T2≤30℃, 5000lx≤G1≤10000lx, 0.1μm≤dn≤0.45μm; When the mineral composite raw material is prepared in step S2, the natural zeolite, the vermiculite raw material and the montmorillonite raw material are respectively placed in a crusher and crushed to 100 mesh to obtain crushed natural zeolite, crushed vermiculite raw material and crushed montmorillonite raw material, the crushed natural zeolite is placed in a beaker and 10% citric acid is added and soaked for 2 hours, after soaking is completed, it is washed with deionized water to obtain zeolite particles, the crushed vermiculite raw material is placed in a preheating furnace and preheated for 1 hour, and the preheated crushed vermiculite raw material is placed in a high-temperature puffing furnace, and the preheated crushed vermiculite raw material is puffed for 30 seconds at a puffing temperature T4 to obtain vermiculite. Particles, the crushed montmorillonite raw material is placed in a planetary ball mill, and the crushed montmorillonite raw material is ground at a grinding speed V3 until the particle size is less than 100 nm to obtain montmorillonite particles, and 15 parts of the zeolite particles, 5 parts of the vermiculite particles and 5 parts of the montmorillonite particles are placed in a high-speed mixer and mixed at a stirring speed V4 for 2 hours, and 1% silane coupling agent is added and reacted in a fluidized bed at a temperature of 300°C for 1 hour to obtain a mineral mixture, and the conditions are set to 800°C≤T4≤1000°C, 200r / min≤V3≤600r / min, and 1000r / min≤V4≤5000r / min; The step S2 calculates the surface pore diameter d of the mineral mixture using the mercury intrusion method, and the mercury intrusion method includes: Step A1, applying pressure to mercury to press it into the surface pores of the mineral mixture, and collecting the volume of mercury in the surface pores of the mineral mixture to obtain the volume P of mercury in the surface pores of the mineral mixture; Step A2: Use the Washburn equation based on the surface tension of mercury , contact angle of mercury on the surface of mineral mixture The surface pore diameter d of the mineral mixture is calculated by the volume P of mercury in the surface pores of the mineral mixture, and the surface pore diameter d of the mineral mixture is obtained. ; The surface pore diameter d of the mineral mixture is compared with the maximum standard value d1 of the microporous loading pore diameter and the maximum standard value d2 of the mesoporous loading pore diameter. The type of pore diameter is judged according to the comparison results, and the fast-acting phosphorus and fast-acting nitrogen are loaded according to the judgment results, where: When d≤d1, the pore size is determined to be a micropore, and the fast-acting phosphorus is loaded into the micropore; When d1<d≤d2, the pore size is determined to be a mesopore, and the fast-acting nitrogen is loaded into the mesopore; When d>d2, the pore size is determined to be macropore, and no fast-acting phosphorus and fast-acting nitrogen are loaded; In step S2, the actual length of the pores is measured using a scanning electron microscope. and apparent length Take measurements and according to the actual length and apparent length The tortuosity of the internal channels of the pores ,set up , the tortuosity of the internal channel of the pore The maximum standard value of the tortuosity of the pore internal channel Compare and judge the tortuosity of the internal pore channels according to the comparison results, and optimize the surface pore diameter d of the mineral mixture according to the judgment results, where: when > When the tortuosity of the internal channel of the pore is determined to be tortuosity, the optimization coefficient Optimize the surface pore size d of the mineral mixture. , e is the base of the natural logarithm, and the surface pore diameter d' of the optimized mineral mixture is obtained. , replacing the surface pore size d of the mineral mixture with the surface pore size d' of the optimized mineral mixture, and re-comparing the surface pore size d of the mineral mixture with the maximum standard value d1 of the microporous load and the maximum standard value d2 of the mesoporous load; when ≤ , the tortuosity of the internal channel of the pore is determined to be non-tortuous, and the surface pore diameter d of the mineral mixture is not optimized; When preparing the organic fertilizer raw material in step S2, the animal manure, the crop straw and the kitchen waste are placed in a grinder and crushed into animal manure, crop straw and kitchen waste of length L to obtain crushed organic fertilizer raw material, and the moisture content of the crushed organic fertilizer raw material is adjusted to a moisture content hs by spraying water to obtain organic fertilizer, setting 2 cm ≤ L ≤ 4 cm, 50% ≤ hs ≤ 60%.

[0037] Specifically, the initial Bacillus subtilis and initial Bacillus licheniformis refer to the original Bacillus subtilis and Bacillus licheniformis in the microbial agent raw materials that have not undergone any process steps, the beef extract peptone slant medium refers to a solid culture medium for culturing microorganisms, the inoculation culture refers to inoculating microbial strains into the culture medium, the inoculation culture time refers to the time required for microorganisms to grow and reproduce in the culture medium, the intelligent fermentation tank refers to a fermentation equipment that automatically controls fermentation parameters, the fermentation refers to the process of converting raw materials into target products using the metabolic activities of microorganisms, and the first fermentation temperature refers to the temperature range maintained in the intelligent fermentation tank during the fermentation of Bacillus subtilis and Bacillus licheniformis, which can be set to 35°C. The first fermentation pH value refers to the pH value in the intelligent fermentation tank during the fermentation of Bacillus subtilis and Bacillus licheniformis. The first stirring speed refers to the stirring speed of the intelligent fermentation tank during the fermentation of Bacillus subtilis and Bacillus licheniformis. The first fermentation time refers to the fermentation time of Bacillus subtilis and Bacillus licheniformis. The centrifugation technology refers to the centrifugal force generated by high-speed rotation of the centrifuge. The first centrifugation speed refers to the speed at which the centrifuge rotates. The first centrifugation time refers to the time the centrifuge runs. The initial photosynthetic bacterial strain refers to the original photosynthetic bacterial strain in the microbial agent raw material that has not undergone any process. The photosynthetic bacterial culture medium refers to a culture medium suitable for the growth of photosynthetic bacteria. The second The fermentation temperature refers to the temperature at which the photosynthetic bacteria strain is placed in the intelligent fermentation tank for fermentation. The second fermentation time refers to the fermentation time during which the photosynthetic bacteria strain is placed in the intelligent fermentation tank for fermentation. The light intensity refers to the light conditions required during the cultivation of photosynthetic bacteria. The ultrafiltration membrane refers to a filter membrane with a specific pore size. The photosynthetic bacteria cell refers to a microbial cell aggregate formed by photosynthetic bacteria during the cultivation and fermentation process. The spray drying refers to atomizing a liquid material into small droplets through a spray device. The uniform mixing refers to fully mixing materials of different components by stirring or other means. The crusher refers to a device for crushing solid materials into small particles. The beaker refers to a commonly used laboratory glassware for holding natural zeolite. The citric acid refers to an organic acid used to adjust the pH value, the deionized water refers to pure water that has been treated with ion exchange to remove impurity ions, the zeolite particles refer to natural zeolite particles that have been crushed and acid-washed, the preheating furnace refers to a device used to preheat the material, the high-temperature puffing furnace refers to a device that rapidly expands the volume of the material at high temperature, the puffing temperature refers to the temperature range maintained in the high-temperature puffing furnace, which can be set to 900°C, for example, the vermiculite particles refer to vermiculite particles that have been preheated and puffed, the planetary ball mill refers to a device that grinds the material into fine particles through collision and friction between the balls and the material, and the grinding speed refers to the grinding speed of the crushed montmorillonite raw material placed in the planetary ball mill for grinding.The high-speed mixer refers to a device that mixes materials uniformly at a high speed. The silane coupling agent refers to a chemical reagent used to improve the interfacial compatibility between inorganic materials and organic materials. The fluidized bed refers to a reaction device that suspends and flows solid particles through airflow. The mineral mixture refers to a composite material obtained by mixing zeolite particles, vermiculite particles and montmorillonite particles and then treating them with a silane coupling agent. The mercury intrusion method refers to a method of applying high pressure to mercury so that mercury overcomes surface tension and enters the pores. This embodiment does not limit the specific implementation method for collecting the volume of mercury in the surface pores of the mineral mixture. Those skilled in the art can set it up according to actual conditions, such as using an atomic absorption spectrometer to collect the volume of mercury in the surface pores of the mineral mixture. The surface tension of mercury refers to the resultant force of mutual attraction between molecules in the surface layer of mercury liquid. This embodiment does not limit the specific method for obtaining the surface tension of mercury. For example, the surface tension of mercury can be obtained by the capillary rise method. The capillary rise method is a method for calculating the surface tension of mercury using the rising or falling height of liquid mercury in a capillary due to surface tension. The contact angle between mercury and the surface of the mineral mixture refers to the angle between the tangent of the mercury surface and the surface of the mineral mixture. For example, the contact angle between mercury and the surface of the mineral mixture can be obtained by an optical instrument. The Washburn equation refers to an equation for calculating the pore size of porous materials, named Washburn Porosimetry. Equation, the maximum value of the pore size standard value of the micropore load refers to the upper limit of the pore size used to determine whether the pore is a micropore, such as it can be set to 2nm, the maximum value of the pore size standard value of the mesopore load refers to the upper limit of the pore size used to determine whether the pore is a mesopore, such as it can be set to 50nm, the type of the pore size refers to the type of pores divided into micropores, mesopores and macropores according to the pore size, the type of pore size includes the pore size type of micropores, the pore size type of mesopores and the pore size type of macropores, the precise release refers to loading the fast-acting phosphorus and fast-acting nitrogen into the pores according to the pore size type, and this embodiment does not go into the specific implementation method of loading fast-acting phosphorus and fast-acting nitrogen. The following are defined: for example, fast-acting phosphorus and fast-acting nitrogen can be pressurized to press them into the pores; the micropores refer to pores with a pore diameter of less than 2 nm; the mesopores refer to pores with a pore diameter of 2 to 50 nm; the macropores refer to pores with a pore diameter greater than 50 nm; the scanning electron microscope refers to an instrument used to observe the surface morphology and microstructure of a material; the actual length of the pore refers to the true length of the channel inside the pore; the apparent length refers to the projected length of the channel inside the pore on a two-dimensional plane; the maximum value of the standard value of the tortuosity of the channel inside the pore refers to a reference value for judging whether the channel inside the pore is tortuous, which can be set to 0.35; the tortuosity of the channel inside the pore refers to the tortuosity of the channel inside the pore.The tortuosity of the internal pore channel includes tortuosity and non-tortuousness. The inner diameter refers to the actual diameter of the internal pore channel. The pore size refers to the opening diameter of the pore. The crushed organic fertilizer raw material refers to animal manure, crop straw, and kitchen waste processed through a crusher. The moisture content refers to the mass percentage of moisture in the material. The length L refers to the target length of the material after the crushing process. This embodiment does not limit the method for determining the length L, and it can be set to a laser particle size analyzer method. The organic fertilizer refers to fertilizer obtained through fermentation and composting of organic materials. The moisture content refers to the target moisture content of the crushed organic fertilizer raw material.

[0038] Specifically, step S2 achieves efficient preparation and optimization of microbial agents, mineral complexes and organic fertilizers through precise preparation and optimization processing, and achieves controlled release of nutrients through precise release and loading technology, reduces nutrient loss, and improves the utilization efficiency of organic fertilizers. Step S2 also judges the tortuosity of the internal channels of the pores. When the tortuosity of the internal channels of the pores is tortuous, the pores are too tortuous, which will cause the fast-acting nitrogen to be loaded, and the pores are prone to crushing the fast-acting nitrogen. At this time, by reducing the value of the surface pore diameter of the mineral mixture, it is judged as a type of smaller pore diameter, and then the required fast-acting phosphorus with a smaller pore diameter is loaded, so that the mineral mixture can load appropriate fast-acting phosphorus and fast-acting nitrogen.

[0039] Specifically, in step S3, the microbial agent, the mineral complex and the organic fertilizer are placed in a high-speed mixer and mixed according to the zeolite bio-mineral organic composite fertilizer formula to obtain a mixed powder, and the uniformity of the mixed powder is monitored using a particle size analyzer to obtain a mixed powder uniformity JY. The mixed powder uniformity JY is compared with a preset mixed powder uniformity JY0, JY0 ≥ 90%, and the mixed powder uniformity is judged based on the comparison result, wherein: When JY≥JY0, the uniformity of the mixed powder is determined to be unsatisfactory, and the mixed powder is mixed and stirred again until the uniformity of the mixed powder is determined to be satisfactory. When JY<JY0, the uniformity of the mixed powder is determined to be up to standard, and the mixed powder is discharged from the inner container of the high-speed mixer to obtain a uniform mixture.

[0040] Specifically, the zeolite biomineral organic composite fertilizer formula refers to the mixing ratio of the microbial agent, mineral complex, and organic fertilizer determined based on test results and crop needs. Mixing and stirring refers to the process of mechanically stirring to fully mix the ingredients. The particle size analyzer refers to an instrument used to measure the particle size distribution and uniformity of powder materials. The mixed powder refers to the powdered material formed after mixing the microbial agent, mineral complex, and organic fertilizer in a high-speed blender. Uniformity monitoring refers to the detection and analysis of the distribution of the ingredients in the mixed powder using a particle size analyzer. The homogeneous mixture refers to a mixture in which the ingredients are uniformly distributed after mixing and stirring and uniformity monitoring. The high-speed blender inner container refers to the container portion of the high-speed blender used to hold and mix materials. The preset mixed powder uniformity refers to a preset value used to determine the uniformity of the mixed powder. The mixed powder uniformity status refers to the uniformity of the mixed powder obtained by mixing and stirring in the high-speed blender. The mixed powder uniformity status includes the mixed powder uniformity status of "substandard" and the mixed powder uniformity status of "compliant."

[0041] Specifically, step S3 achieves uniform distribution of mixed powder by accurately formulating zeolite biomineral organic compound fertilizer, mixing and stirring, monitoring with a particle size analyzer, and repeatedly stirring until the uniformity meets the standard, thereby improving the overall performance of the microbial fertilizer and the application effect of the microbial fertilizer.

[0042] Specifically, in step S4, the uniform mixture is placed in an intelligent fermentation chamber, and the uniform mixture is fermented at a third fermentation temperature T5, a fermentation humidity sd, and an aerobic fermentation time t5. The uniform mixture is turned over every 4 hours to obtain a fermented uniform mixture. After obtaining the fermented uniform mixture, the intelligent fermentation chamber is sealed, and the intelligent fermentation chamber is allowed to synthesize humus at a synthesis temperature T6 to obtain a humus synthesis mixture. The humus synthesis mixture is sampled and tested for a carbon-nitrogen ratio C using a carbon-nitrogen ratio meter to obtain a carbon-nitrogen ratio C. The carbon-nitrogen ratio C is compared with a preset carbon-nitrogen ratio standard value C0, and the fermentation state is judged according to the comparison result, wherein: When C<C0, the fermentation state is determined to be incomplete, and the fermentation of the pile body is continued at the third fermentation temperature T5, fermentation humidity sd and aerobic fermentation time t5 until the fermentation state is determined to be complete. When C≥C0, the fermentation state is determined to be complete, and the fermentation is terminated to obtain the intelligent fermentation zeolite biomineral organic compound fertilizer, with the setting of 55℃≤T5≤65℃, 168h≤t5≤240h, 40℃≤T6≤45℃, sd=60%; In the step S4, the intelligent fermented zeolite biomineral organic compound fertilizer is put into the crusher again and crushed to 15 mesh to obtain the crushed intelligent fermented zeolite biomineral organic compound fertilizer, and the crushed intelligent fermented zeolite biomineral organic compound fertilizer is put into the ring die extrusion granulator for granulation, and humic acid with a mass proportion of the total mass X1 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer, a seaweed extract with a mass proportion of the total mass X2 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer, and biochar with a mass proportion of the total mass X3 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer are added as adjuvants, and the granulator is started with an extrusion pressure PJ and a granulation speed vz for granulation to obtain finished zeolite biomineral organic compound fertilizer particles, and the setting is 0.1%≤X1≤1%, 0.5%≤X2≤5%, 15%≤X3≤30%, 5MPa≤PJ≤15MPa, and 50r / min≤vz≤150r / min; In the step S4, when the surface coating of the finished zeolite biomineral organic composite fertilizer particles is performed, nano-titanium dioxide, ethanol and polyvinyl pyrrolidone are weighed in a ratio of 5:100:1, the nano-titanium dioxide, the ethanol and the polyvinyl pyrrolidone are added to an ultrasonic dispersion device and ultrasonically treated for 60 minutes at an ultrasonic dispersion power of P1 to obtain a nano-titanium dioxide dispersion liquid, epoxy acrylate, benzoin dimethyl ether and a leveling agent are weighed in a ratio of 100:2:1 and put into a blender for stirring to obtain a mixed solution, and the nano-titanium dioxide dispersion liquid and 10 mL each of the ethanol and polyvinyl pyrrolidone are added to the mixed solution. and adding an organic solvent of acetone and continuing to stir for 30 minutes to obtain a photosensitive resin coating material of nano-oxide, and using a surface coating covering method to cover the photosensitive resin coating material of nano-oxide on the surface of the finished zeolite biomineral organic composite fertilizer particles to obtain covered finished zeolite biomineral organic composite fertilizer particles, and sending the covered finished zeolite biomineral organic composite fertilizer particles into an ultraviolet curing box for curing to obtain zeolite biomineral organic composite fertilizer, the surface coating covering method comprising: using an air spray gun to spray the photosensitive resin coating material of nano-oxide on the surface of the finished zeolite biomineral organic composite fertilizer particles; In step S4, when the surface coating is applied to the finished zeolite bio-mineral organic composite fertilizer particles, the surface of the photosensitive resin coating is scanned using a laser confocal microscope to obtain the root mean square roughness R of the photosensitive resin coating surface. The root mean square roughness R of the photosensitive resin coating surface is compared with the maximum root mean square roughness standard value R0 of the photosensitive resin coating surface, and the surface roughness of the photosensitive resin coating is judged based on the comparison result. The surface coating covering method is optimized based on the judgment result, wherein: When R>R0, the surface roughness of the photosensitive resin coating is determined to be abnormal, and the surface coating covering method is optimized. The surface coating covering method uses an air spray gun to spray the photosensitive resin coating material of the nano-oxide on the surface of the finished zeolite bio-mineral organic compound fertilizer particles, and is replaced by using a chemical vapor deposition method to coat the photosensitive resin coating material of the nano-oxide on the surface of the finished zeolite bio-mineral organic compound fertilizer particles; When R≤R0, the surface roughness of the photosensitive resin coating is determined to be normal, and the surface coating coverage method is not optimized; In step S4, when the surface coating is applied to the finished zeolite biomineral organic composite fertilizer particles, thermal effect changes of the zeolite biomineral organic composite fertilizer are also measured using differential scanning calorimetry to obtain thermal effect change data, which is input into a kinetic model to obtain the particle size r of nano-titanium dioxide output by the kinetic model; The step S4 constructs the kinetic model by a kinetic model construction method, and the kinetic model construction method includes: The thermal effect change database is divided into a 70% analysis training set, a 20% analysis validation set, and a 10% analysis test set. The analysis training set is input into the decision tree model to train the decision tree model, and the analysis validation set is input into the trained decision tree model. The hyperparameters of the trained decision tree model are iteratively optimized, and the analysis test set is input into the iteratively optimized decision tree model to perform analysis and testing on the iteratively optimized decision tree model to obtain the analysis and testing results. The total number of samples in the analysis and testing set is set to f0, the number of correct analysis and testing samples is set to f, and the analysis and testing accuracy is F, F=f / f0. The analysis and testing accuracy F is compared with the preset analysis and testing accuracy F0, F0≥95%. The training compliance of the iteratively optimized decision tree model is judged based on the comparison results, and the judgment result is output, where: When F≥F0, the iteratively optimized decision tree model is judged to have met the training standards, and the iteratively optimized decision tree model is output as a dynamic model; When F<F0, it is determined that the iteratively optimized decision tree model training does not meet the standards, the thermal effect change database is updated to obtain an updated thermal effect change database, and the decision tree model is trained, hyperparameters are iteratively optimized, and analyzed and tested according to the updated thermal effect change database until the decision tree model training meets the standards; The particle size r of nano-titanium dioxide output by the kinetic model is compared with the standard value r0 of the particle size of nano-titanium dioxide, and the compliance of the nano-titanium dioxide particle size with the standard is judged according to the comparison result, and the optimization of the surface coating coverage method is corrected according to the judgment result, wherein: If r>r0, it is determined that the nano-titanium dioxide particle size does not meet the standard, and the optimization of the surface coating covering method is corrected. The photosensitive resin coating material of the nano-oxide is coated on the surface of the finished zeolite bio-mineral organic compound fertilizer particles by using a chemical vapor deposition method, and replaced by the photosensitive resin coating material of the nano-oxide is coated on the surface of the finished zeolite bio-mineral organic compound fertilizer particles by using a chemical vapor deposition method, and the photosensitive resin coating material of the nano-oxide coated on the surface of the finished zeolite bio-mineral organic compound fertilizer particles is ultrafinely ground; If r≤r0, the nano-titanium dioxide particle size is determined to be up to standard, and no correction is made to the optimization of the surface coating coverage method.

[0043] Specifically, the intelligent fermentation bin refers to a device that automatically controls the fermentation conditions of temperature, humidity and ventilation. The third fermentation temperature refers to the temperature maintained inside the intelligent fermentation bin. The fermentation humidity refers to the water content in the fermentation environment. The aerobic fermentation time refers to the time for fermentation under conditions of sufficient oxygen. The humus synthesis refers to the fermentation process. The synthesis temperature refers to the temperature of the intelligent fermentation bin during humus synthesis. The organic matter decomposes and recombine to form humus under the action of microorganisms. This embodiment does not limit the specific sealing method of the sealed intelligent fermentation bin. Those skilled in the art can set it according to actual needs. For example, a rubber sealing ring can be used to seal the intelligent fermentation bin. The carbon-nitrogen ratio meter refers to An instrument for measuring the ratio of carbon and nitrogen content in a material. The humus synthesis mixture refers to a uniform mixture containing humus formed during the fermentation process. The carbon-nitrogen ratio C refers to the mass ratio of carbon to nitrogen in the material. The preset minimum carbon-nitrogen ratio standard value C0 when fermentation is completed refers to the carbon-nitrogen ratio reference value set according to the fermentation target, such as 20. The fermentation state refers to the progress of the fermentation process, and the fermentation state includes the fermentation state of incomplete fermentation and the fermentation state of completed fermentation. The intelligent fermented zeolite biomineral organic compound fertilizer refers to the fertilizer obtained after intelligent fermentation and humus synthesis. The ring die extrusion granulator refers to a device that makes powdered material into granules by extrusion and die molding. The granulation refers to The process of making granules of powdered materials by extrusion and molding, the humic acid refers to an organic acid extracted from humus, the seaweed extract refers to an active substance extracted from seaweed, the biochar refers to a carbon material obtained by pyrolysis of biomass, the extrusion pressure refers to the pressure applied during the granulation process, the granulation speed refers to the speed of the granulator when the granulator is started for granulation, the finished zeolite biomineral organic compound fertilizer granules refer to the granulated zeolite biomineral organic compound fertilizer obtained after the granulation process, the nano-oxide photosensitive resin coating material refers to a photosensitive resin material containing nano-titanium dioxide, and the surface coating coverage refers to covering the nano-oxide photosensitive resin coating material on the finished zeolite biomineral organic compound fertilizer. The process of dispersing the nanomaterials on the surface of the particles, the nano-titanium dioxide refers to titanium dioxide particles with a particle size of nanometers, the ethanol refers to an organic solvent for dispersing nanomaterials, the polyvinyl pyrrolidone refers to a nanomaterial for dispersing in a solution, the ultrasonic dispersion device refers to a device for uniformly dispersing nanomaterials in a liquid using ultrasound, the ultrasonic treatment refers to a process of dispersing nanomaterials in a liquid using ultrasound, the power of the ultrasonic dispersion device refers to the working power of the ultrasonic dispersion device, the nano-titanium dioxide dispersion refers to a suspension formed by uniformly dispersing nano-titanium dioxide in a liquid, the epoxy acrylate refers to a photosensitive resin for forming a coating, and the benzoin dimethyl ether refers to a photoinitiator for promoting the curing of the photosensitive resin.The leveling agent refers to an additive used to improve the flatness of the coating surface, the mixer refers to a device for uniformly mixing powder materials, such as a double planetary mixer, the organic solvent acetone refers to an organic solvent used to adjust the viscosity of the coating, the photosensitive resin coating material of the nano-oxide refers to, the air spray gun refers to a device that uses compressed air to spray liquid materials on a solid surface, the UV curing box refers to a device that uses ultraviolet radiation to cure the photosensitive resin, the zeolite bio-mineral organic compound fertilizer refers to a multifunctional fertilizer obtained after fermentation, granulation and coating treatment, the surface coating covering method refers to a method of covering the photosensitive resin coating material of the nano-oxide on the surface of the finished zeolite bio-mineral organic compound fertilizer particles, the The optical confocal microscopy method refers to a method of obtaining the root mean square roughness of the photosensitive resin coating surface using a laser confocal microscope. The root mean square roughness of the photosensitive resin coating surface refers to a quantitative index of the coating surface roughness. The maximum value of the root mean square roughness standard value of the photosensitive resin coating surface refers to a reference value for judging whether the coating surface roughness meets the standard, such as being set to 10nm. The surface roughness condition of the photosensitive resin coating refers to whether the surface roughness of the photosensitive resin coating is normal based on the root mean square roughness of the photosensitive resin coating surface and the maximum value of the root mean square roughness standard value of the photosensitive resin coating surface. The chemical vapor deposition method refers to a method of forming a uniform coating on a solid surface using a chemical reaction. The nano-titanium dioxide particle size refers to the nano- The diameter of the titanium dioxide particles is measured by differential scanning calorimetry. The differential scanning calorimetry refers to a technique for measuring changes in the thermal effect of a material. The thermal effect change refers to changes in the thermal properties of a material during heating or cooling. The thermal effect change data refers to thermal effect change data measured by differential scanning calorimetry. The kinetic model refers to a decision tree model used to describe and analyze changes in the thermal effect of a material. The particle size r of the nano-titanium dioxide refers to the particle size of the nano-titanium dioxide particles obtained by kinetic model analysis. The thermal effect change database refers to a database that stores thermal effect change data. The hyperparameter iterative optimization refers to multiple adjustments to the model parameters. The analytical test results refer to the results obtained by testing the kinetic model through the analytical test set. The total number of samples in the analysis test set f0 refers to the total number of samples in the analysis test set, the number of correct analysis test samples f refers to the number of samples correctly analyzed in the analysis test set, the preset analysis test accuracy F0 refers to the reference accuracy used to determine whether the model training meets the standard, the update refers to the correction of the thermal effect change database, such as the update mode can be set to big data update, the nano-titanium dioxide particle size standard value r0 refers to the reference value used to determine whether the nano-titanium dioxide particle size meets the standard, such as it can be set to 50nm, the compliance status of the nano-titanium dioxide particle size refers to whether the nano-titanium dioxide particle size meets the preset standard, the nano-titanium dioxide on the photosensitive coating surface refers to the nano-titanium dioxide particles contained on the coating surface,Ultrafine grinding refers to the process of grinding materials to the nanometer level.

[0044] Specifically, step S4 achieves effective activation of microbial activity in zeolite biomineral organic compound fertilizer and efficient production and quality control of zeolite biomineral organic compound fertilizer by adopting intelligent fermentation technology, high-quality granulation process and intelligent coating technology, thereby improving fermentation efficiency and thus improving the utilization rate and durability of fertilizer.

[0045] Specifically, the method for preparing the zeolite biomineral organic composite fertilizer in this embodiment is as follows: Example 1

[0046] A zeolite biomineral organic composite fertilizer, wherein the raw materials for preparing the zeolite biomineral organic composite fertilizer include a microbial agent raw material, a mineral compound raw material, and an organic fertilizer raw material. The raw materials for preparing the zeolite biomineral organic composite fertilizer are used to prepare the zeolite biomineral organic composite fertilizer, wherein the formula of the zeolite biomineral organic composite fertilizer includes: The mass fraction of the microbial agent raw material is M1, wherein M1 is the first preset mass fraction, and M1 is set to 15 parts; The mass fraction of the mineral composite raw material is M2, wherein M2 is a second preset mass fraction, and M2 is set to be 25 parts; The mass of the organic fertilizer raw material is M3, wherein M3 is a third preset mass, and M3 is set to be 60 parts; The microbial agent raw materials include Bacillus subtilis, Bacillus licheniformis and photosynthetic bacterial strains, wherein: The mass fraction of the Bacillus subtilis is MG1, and MG1=5 parts; The mass fraction of the Bacillus licheniformis is MG2, and MG2=5 parts; The mass fraction of the photosynthetic bacteria strain is MG3, and MG3=5 parts.

[0047] The mineral composite raw materials include natural zeolite, vermiculite raw materials and montmorillonite raw materials, wherein: The mass fraction of the natural zeolite is MS1, and MS1 is set to 15 parts; The mass fraction of the vermiculite raw material is MS2, and MS2=5 parts; The mass fraction of the montmorillonite raw material is MS3, and MS3=5 parts; The organic fertilizer raw materials include animal manure, crop straw and kitchen waste, among which; The mass of the animal feces is MY1, and MY1=20 parts; The mass of the crop straw is MY2, and MY2=30 parts; The mass of the kitchen waste is MY3, and MY3=10 parts is set.

[0048] According to the above formula, the zeolite biomineral organic compound fertilizer is prepared by a zeolite biomineral organic compound fertilizer preparation method, which comprises: Step S1: Use soil environment measurement virtual simulation software to detect the nitrogen content Q and phosphorus content L of the soil sample to obtain the test results, and compare the nitrogen content Q and phosphorus content L in the test results with the preset nitrogen content standard value Q0 and the preset effective phosphorus content standard value L0, respectively. According to the comparison results, the soil nitrogen content supply and the soil effective phosphorus supply are judged respectively, and the soil is regulated and managed according to the judgment results, wherein: When Q≥Q0 and L<L0, the soil nitrogen content supply is judged to be up to standard, and the soil available phosphorus supply is not up to standard. The soil is regulated and managed, and available phosphorus is released into the soil until L≥L0; When Q≥Q0 and L≥L0, the soil nitrogen content supply is judged to be up to standard, the soil available phosphorus supply is up to standard, and no soil regulation and treatment is performed; When Q<Q0 and L≥L0, the soil nitrogen content supply is judged to be substandard, and the soil available phosphorus supply is up to standard. The soil is regulated and managed, and the available nitrogen is released to the soil until Q≥Q0; When Q<Q0 and L<L0, it is determined that the available phosphorus supply in the soil does not meet the standard. The available phosphorus supply in the soil does not meet the standard, and the soil is regulated and managed to release available phosphorus and available nitrogen into the soil until L≥L0 and Q≥Q0; Step S2, placing the initial Bacillus subtilis and the initial Bacillus licheniformis in the microbial agent raw material into a beef extract peptone slant culture medium, and inoculating and culturing the initial Bacillus subtilis and the initial Bacillus licheniformis for an inoculation culture time t1 to obtain Bacillus subtilis and Bacillus licheniformis species, and placing the Bacillus subtilis and Bacillus licheniformis species into an intelligent fermentation tank, and fermenting the Bacillus subtilis and Bacillus licheniformis species at a first fermentation temperature T1, a first fermentation pH value H1, a first stirring speed V1, and a first fermentation time t2 to obtain fermented Bacillus subtilis and Bacillus licheniformis species, and centrifuging the fermented Bacillus subtilis and Bacillus licheniformis species according to a first centrifugal speed V2, a first centrifugal time t3, and a centrifugal technology to obtain Bacillus subtilis and Bacillus licheniformis, and the initial photosynthetic bacteria in the microbial agent raw material The bacterial strain is placed in a photosynthetic bacterial culture medium, the initial photosynthetic bacterial strain is inoculated and cultured for a second inoculation and culture time t4 to obtain a photosynthetic bacterial strain, the photosynthetic bacterial strain is placed in an intelligent fermentation tank, the photosynthetic bacterial strain is fermented at a second fermentation temperature T2, a light intensity G1 and a second fermentation time t2 to obtain a fermented photosynthetic bacterial strain, and the fermented photosynthetic bacterial strain in the intelligent fermentation tank is collected using an ultrafiltration membrane with a pore size of dn to obtain photosynthetic bacterial cells, Bacillus subtilis, Bacillus licheniformis and the photosynthetic bacterial cells are spray-dried and uniformly mixed in a ratio of 1:1:1 to obtain a prepared microbial agent, and setting t=24h, T1=30℃, V1=150r / min, t2=72h, V2=5000r / min, t3=10min, t4=48h, T2=25℃, G1=5000lx, and dn=0.1μm; The natural zeolite, the vermiculite raw material and the montmorillonite raw material are respectively put into a crusher and crushed to 100 mesh to obtain crushed natural zeolite, crushed vermiculite raw material and crushed montmorillonite raw material; the crushed natural zeolite is put into a beaker and added with 10% citric acid to soak for 2 hours, and after soaking, it is washed with deionized water to obtain zeolite particles; the crushed vermiculite raw material is put into a preheating furnace and preheated for 1 hour, and the preheated crushed vermiculite raw material is put into a high-temperature puffing furnace, and the preheated crushed vermiculite raw material is puffed for 30 seconds at a puffing temperature T4 to obtain zeolite. The crushed montmorillonite raw material is placed in a planetary ball mill and ground at a grinding speed V3 until the particle size is less than 100 nm to obtain montmorillonite particles. 15 parts of the zeolite particles, 5 parts of the vermiculite particles and 5 parts of the montmorillonite particles are placed in a high-speed blender and mixed at a stirring speed V4 for 2 hours. 1% of a silane coupling agent is added and reacted in a fluidized bed at a temperature of 300° C. for 1 hour to obtain a mineral mixture. The conditions are T4=800° C., V3=200 r / min, and V4=5000 r / min. The surface pore diameter d of the mineral mixture is calculated using the mercury intrusion method, which includes: Step A1, applying pressure to mercury to press it into the surface pores of the mineral mixture, and collecting the volume of mercury in the surface pores of the mineral mixture to obtain the volume P of mercury in the surface pores of the mineral mixture; Step A2: Use the Washburn equation based on the surface tension of mercury , contact angle of mercury on the surface of mineral mixture The surface pore diameter d of the mineral mixture is calculated by the volume P of mercury in the surface pores of the mineral mixture, and the surface pore diameter d of the mineral mixture is obtained. ; The surface pore diameter d of the mineral mixture is compared with the maximum standard value d1 of the microporous loading pore diameter and the maximum standard value d2 of the mesoporous loading pore diameter. The type of pore diameter is judged according to the comparison results, and the fast-acting phosphorus and fast-acting nitrogen are loaded according to the judgment results, where: When d≤d1, the pore size is determined to be a micropore, and the fast-acting phosphorus is loaded into the micropore; When d1<d≤d2, the pore size is determined to be a mesopore, and the fast-acting nitrogen is loaded into the mesopore; When d>d2, the pore size is determined to be macropore, and no fast-acting phosphorus and fast-acting nitrogen are loaded; The actual length of the pores was determined by scanning electron microscopy. and apparent length Take measurements and according to the actual length and apparent length The tortuosity of the fertilization channel ,set up , the tortuosity of the fertilization channel Maximum standard value of the tortuosity of the fertilization channel Compare and judge the tortuosity of the fertilization channel according to the comparison results, and optimize the surface pore diameter d of the mineral mixture according to the judgment results, where: when > When the fertilization channel is judged to be tortuous, the coefficient is optimized. Optimize the surface pore size d of the mineral mixture. , e is the base of the natural logarithm, and the surface pore diameter d' of the optimized mineral mixture is obtained. , replacing the surface pore size d of the mineral mixture with the surface pore size d' of the optimized mineral mixture, and re-comparing the surface pore size d of the mineral mixture with the maximum standard value d1 of the microporous load and the maximum standard value d2 of the mesoporous load; when ≤ , the tortuosity of the fertilization channel is determined to be non-tortuous, and the surface pore diameter d of the mineral mixture is not optimized; When preparing the organic fertilizer raw material in step S2, the animal manure, the crop straw and the kitchen waste are placed in a grinder and crushed into animal manure, crop straw and kitchen waste of length L to obtain crushed organic fertilizer raw material, and the moisture content of the crushed organic fertilizer raw material is adjusted to a moisture content hs by spraying water to obtain organic fertilizer, setting L2cm, hs=50%.

[0049] Step S3: According to the formula of the zeolite bio-mineral organic composite fertilizer, the microbial agent, the mineral composite, and the organic fertilizer are placed in a high-speed blender and mixed to obtain a mixed powder. The uniformity of the mixed powder is monitored using a particle size analyzer to obtain a mixed powder uniformity JY. The mixed powder uniformity JY is compared with a preset mixed powder uniformity JY0, where JY0 is ≥90%, and the mixed powder uniformity is judged based on the comparison result, wherein: When JY≥JY0, the uniformity of the mixed powder is determined to be unsatisfactory, and the mixed powder is mixed and stirred again until the uniformity of the mixed powder is determined to be satisfactory. When JY<JY0, the uniformity of the mixed powder is determined to be up to standard, and the mixed powder is discharged from the inner container of the high-speed blender to obtain a uniform mixture; The uniform mixture is placed in an intelligent fermentation bin, and fermented at a third fermentation temperature T5, a fermentation humidity sd, and an aerobic fermentation time t5. The uniform mixture is turned over every 4 hours to obtain a fermented uniform mixture. After obtaining the fermented uniform mixture, the intelligent fermentation bin is sealed, and the intelligent fermentation bin is operated to synthesize humus at a synthesis temperature T6 to obtain a humus synthesis mixture. The humus synthesis mixture is sampled and tested for a carbon-nitrogen ratio C using a carbon-nitrogen ratio meter to obtain a carbon-nitrogen ratio C. The carbon-nitrogen ratio C is compared with a preset carbon-nitrogen ratio standard value C0, and the fermentation state is judged according to the comparison result, wherein: When C<C0, the fermentation state is determined to be incomplete, and the fermentation of the pile body is continued at the third fermentation temperature T5, fermentation humidity sd and aerobic fermentation time t5 until the fermentation state is determined to be complete. When C≥C0, the fermentation state is determined to be complete, and the fermentation is terminated to obtain the intelligent fermentation zeolite biomineral organic compound fertilizer, with T5=55℃, t5=168h, T6=40℃, sd=60% set; In the step S4, the intelligent fermented zeolite biomineral organic compound fertilizer is put into the crusher again and crushed to 15 mesh to obtain the crushed intelligent fermented zeolite biomineral organic compound fertilizer, and the crushed intelligent fermented zeolite biomineral organic compound fertilizer is put into the ring die extrusion granulator for granulation, and humic acid with a mass proportion of X1 of the total mass of the crushed intelligent fermented zeolite biomineral organic compound fertilizer, a seaweed extract with a mass proportion of X2 of the total mass of the crushed intelligent fermented zeolite biomineral organic compound fertilizer, and biochar with a mass proportion of X3 of the total mass of the crushed intelligent fermented zeolite biomineral organic compound fertilizer are added as adjuvants, and the granulator is started with an extrusion pressure PJ and a granulation speed vz for granulation to obtain finished zeolite biomineral organic compound fertilizer particles, setting X1=0.1%, X2=0.5%, X3=15%, PJ=5MPa, and vz=50r / min; When the surface coating of the finished zeolite biomineral organic composite fertilizer particles is performed, nano-titanium dioxide, ethanol and polyvinyl pyrrolidone are weighed in a ratio of 5:100:1, the nano-titanium dioxide, the ethanol and the polyvinyl pyrrolidone are added to an ultrasonic dispersion device and ultrasonically treated for 60 minutes at an ultrasonic dispersion power of P1 to obtain a nano-titanium dioxide dispersion liquid, epoxy acrylate, benzoin dimethyl ether and a leveling agent are weighed in a ratio of 100:2:1 and put into a blender for stirring to obtain a mixed solution, and the nano-titanium dioxide dispersion liquid and 10 mL of an organic solvent are added to the mixed solution. acetone, and continue stirring for 30 minutes to obtain a photosensitive resin coating material of nano-oxide, and use a surface coating covering method to cover the photosensitive resin coating material of nano-oxide on the surface of the finished zeolite bio-mineral organic compound fertilizer particles to obtain covered finished zeolite bio-mineral organic compound fertilizer particles, and send the covered finished zeolite bio-mineral organic compound fertilizer particles into an ultraviolet curing box for curing to obtain zeolite bio-mineral organic compound fertilizer, the surface coating covering method comprising: using an air spray gun to spray the photosensitive resin coating material of nano-oxide on the surface of the finished zeolite bio-mineral organic compound fertilizer particles; When the surface coating is applied to the finished zeolite biomineral organic composite fertilizer particles, the surface of the photosensitive resin coating is scanned using a laser confocal microscope to obtain the root mean square roughness R of the photosensitive resin coating surface. The root mean square roughness R of the photosensitive resin coating surface is compared with the maximum root mean square roughness standard value R0 of the photosensitive resin coating surface. The surface roughness of the photosensitive resin coating is judged based on the comparison result, and the surface coating covering method is optimized based on the judgment result, wherein: When R>R0, the surface roughness of the photosensitive resin coating is determined to be abnormal, and the surface coating covering method is optimized. The surface coating covering method uses an air spray gun to spray the photosensitive resin coating material of the nano-oxide on the surface of the finished zeolite bio-mineral organic compound fertilizer particles, and is replaced by using a chemical vapor deposition method to coat the photosensitive resin coating material of the nano-oxide on the surface of the finished zeolite bio-mineral organic compound fertilizer particles; When R≤R0, the surface roughness of the photosensitive resin coating is determined to be normal, and the surface coating coverage method is not optimized; When the surface coating is applied to the finished zeolite biomineral organic composite fertilizer particles, the thermal effect change of the zeolite biomineral organic composite fertilizer is also measured by differential scanning calorimetry to obtain thermal effect change data, which is input into a kinetic model to obtain the particle size r of nano-titanium dioxide output by the kinetic model; The particle size r of nano-titanium dioxide output by the kinetic model is compared with the standard value r0 of the particle size of nano-titanium dioxide, and the compliance of the nano-titanium dioxide particle size with the standard is judged according to the comparison result, and the optimization of the surface coating coverage method is corrected according to the judgment result, wherein: If r>r0, it is determined that the nano-titanium dioxide particle size does not meet the standard, and the optimization of the surface coating covering method is corrected. The photosensitive resin coating material of the nano-oxide is coated on the surface of the finished zeolite bio-mineral organic compound fertilizer particles by using a chemical vapor deposition method, and replaced by the photosensitive resin coating material of the nano-oxide is coated on the surface of the finished zeolite bio-mineral organic compound fertilizer particles by using a chemical vapor deposition method, and the photosensitive resin coating material of the nano-oxide coated on the surface of the finished zeolite bio-mineral organic compound fertilizer particles is ultrafinely ground; If r≤r0, the nano-titanium dioxide particle size is determined to be up to standard, and no correction is made to the optimization of the surface coating coverage method.

[0050] Example 2: Different from Example 1, in this embodiment, t1=32h, T1=33.5℃, V1=225r / min, t2=96h, V2=6500r / min, t3=12.5min, t4=60h, T2=27.5℃, G1=7500lx, dn=0.275μm, T4=900℃, V3=400r / min, V4=3000r / min, L=3cm, hs=55%, T5=60℃, t5=204h, T6=42.5℃, X1=0.5%, X2=2.75%, X3=22.5%, PJ=10MPa, and vz=100r / min are set.

[0051] Example 3: Different from Example 1, in this embodiment, t1=48h, T1=37℃, V1=300r / min, t2=120h, V2=8000r / min, t3=15min, t4=72h, T2=30℃, G1=10000lx, dn=0.45μm, T4=1000℃, V3=600r / min, V4=5000r / min, L=4cm, hs=60% T5=65℃, t5=240h, T6=45℃, X1=1%, X2=5%, X3=30%, PJ=15MPa, vz=150r / min are set.

[0052] Specifically, the experimental data of Examples 1-3 are shown in Table 1:

[0053] In Table 1, the units of various indicators are soil total nitrogen content (mg / kg), soil available phosphorus content (mg / kg), bacterial count (cfu / g×106), actinomycete count (cfu / g×105) and fungal count (cfu / g×103). Total nitrogen and available phosphorus are the nutrient contents in the soil and can directly reflect the fertility of organic compound fertilizer. The soil bacteria, actinomycete and fungi counts are the number of microorganisms in the soil and can reflect the degree to which organic compound fertilizer improves the soil material recycling capacity and diversity.

[0054] From the above experimental data, it can be concluded that the effective phosphorus content in the soil has increased by nearly one-fold, indicating that the fertility of organic compound fertilizers can be greatly improved by accurately releasing phosphorus into the soil through the mineral complex loading fast-acting phosphorus source. After optimizing the pore size of the pores on the surface of the mineral complex, the ability of the mineral complex as a carrier for microporous loading is enhanced. By coating the surface of the mineral organic compound fertilizer particles with a photosensitive coating, the light-controlled intelligent release of the fertilizer can be carried out, thereby improving the utilization rate of the organic compound fertilizer and enhancing its use effect.

[0055] Thus far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present invention.

Claims

1. A zeolite biomineral organic compound fertilizer, characterized in that: The raw materials for preparing zeolite biomineral organic compound fertilizer include microbial agent raw materials, mineral compound raw materials and organic fertilizer raw materials. The raw materials for preparing zeolite biomineral organic compound fertilizer are prepared according to the formula of zeolite biomineral organic compound fertilizer to obtain the zeolite biomineral organic compound fertilizer, wherein the formula of zeolite biomineral organic compound fertilizer includes: The mass fraction of the microbial agent raw material is M1, wherein M1 is the first preset mass fraction, and M1 is set to 15 parts; The mass fraction of the mineral composite raw material is M2, wherein M2 is a second preset mass fraction, and M2 is set to be 25 parts; The mass parts of the organic fertilizer raw material is M3, wherein M3 is a third preset mass parts, and M3 is set to be 60 parts.

2. The zeolite biomineral organic compound fertilizer according to claim 1, characterized in that The microbial agent raw materials include Bacillus subtilis, Bacillus licheniformis and photosynthetic bacterial strains, wherein: The mass fraction of the Bacillus subtilis is MG1, and MG1=5 parts; The mass fraction of the Bacillus licheniformis is MG2, and MG2=5 parts; The mass fraction of the photosynthetic bacteria strain is MG3, and MG3=5 parts.

3. The zeolite biomineral organic compound fertilizer according to claim 1, characterized in that The mineral composite raw materials include natural zeolite, vermiculite raw materials and montmorillonite raw materials, wherein: The mass fraction of the natural zeolite is MS1, and MS1 is set to 15 parts; The mass fraction of the vermiculite raw material is MS2, and MS2=5 parts; The mass fraction of the montmorillonite raw material is MS3, and MS3 is set to be 5 parts.

4. The zeolite biomineral organic compound fertilizer according to claim 1, characterized in that The organic fertilizer raw materials include animal manure, crop straw and kitchen waste, among which; The mass of the animal feces is MY1, and MY1=20 parts; The mass of the crop straw is MY2, and MY2=30 parts; The mass of the kitchen waste is MY3, and MY3=10 parts is set.

5. A method for preparing a zeolite biomineral organic composite fertilizer as claimed in any one of claims 1 to 4, characterized in that: The method comprises: Step S1, testing the soil and obtaining the test results; Step S2, preparing the microbial agent raw material, the mineral complex raw material and the organic fertilizer raw material respectively according to the test results to obtain the microbial agent, the mineral complex and the organic fertilizer; Step S3, according to the formula of the zeolite bio-mineral organic composite fertilizer, the microbial agent, the mineral composite and the organic fertilizer are placed in a high-speed blender and mixed to obtain a uniform mixture; Step S4, performing intelligent fermentation on the uniform mixture to obtain intelligently fermented zeolite biomineral organic compound fertilizer, and putting the intelligently fermented zeolite biomineral organic compound fertilizer into a ring die extrusion granulator for granulation to obtain finished zeolite biomineral organic compound fertilizer particles, performing surface coating on the finished zeolite biomineral organic compound fertilizer particles to obtain covered finished zeolite biomineral organic compound fertilizer particles, and curing the covered finished zeolite biomineral organic compound fertilizer particles to obtain zeolite biomineral organic compound fertilizer.

6. The method for preparing the zeolite biomineral organic composite fertilizer according to claim 5, characterized in that: When testing the soil in step S1, the soil environment measurement virtual simulation software is used to test the nitrogen content Q and phosphorus content L of the soil sample to obtain the test results, and the nitrogen content Q and phosphorus content L in the test results are compared with the preset nitrogen content standard value Q0 and the preset effective phosphorus content standard value L0, respectively. The soil nitrogen content supply and the soil effective phosphorus supply are judged according to the comparison results, and the soil is regulated and managed according to the judgment results, wherein: When Q≥Q0 and L<L0, the soil nitrogen content supply is judged to be up to standard, and the soil available phosphorus supply is not up to standard. The soil is regulated and managed, and available phosphorus is released into the soil until L≥L0; When Q≥Q0 and L≥L0, the soil nitrogen content supply is judged to be up to standard, the soil available phosphorus supply is up to standard, and no soil regulation and treatment is performed; When Q<Q0 and L≥L0, the soil nitrogen content supply is judged to be substandard, and the soil available phosphorus supply is up to standard. The soil is regulated and managed, and the available nitrogen is released to the soil until Q≥Q0; When Q<Q0 and L<L0, it is determined that the supply of available phosphorus in the soil does not meet the standard. The soil is regulated and managed, and quick-acting phosphorus and quick-acting nitrogen are released into the soil until L≥L0 and Q≥Q0.

7. The method for preparing the zeolite biomineral organic composite fertilizer according to claim 6, characterized in that: When preparing the microbial agent raw material in step S2, the initial Bacillus subtilis and the initial Bacillus licheniformis in the microbial agent raw material are placed in a beef extract peptone slant culture medium, and the initial Bacillus subtilis and the initial Bacillus licheniformis are inoculated and cultured for an inoculation culture time t1 to obtain Bacillus subtilis and Bacillus licheniformis species, and the Bacillus subtilis and Bacillus licheniformis species are placed in an intelligent fermentation tank, and the fermentation temperature is set to T1, the pH value is set to H1, and the stirring temperature is set to 100 °C. The Bacillus subtilis and the Bacillus licheniformis are fermented at a stirring speed V1 and a first fermentation time t2 to obtain fermented Bacillus subtilis and fermented Bacillus licheniformis, and the fermented Bacillus subtilis and fermented Bacillus licheniformis are centrifuged according to a first centrifugal speed V2, a first centrifugal time t3 and a centrifugal technique to obtain Bacillus subtilis and Bacillus licheniformis, and the initial photosynthetic bacterial strain in the microbial agent raw material is placed in a photosynthetic bacterial culture medium, and the second inoculation culture time is used. The initial photosynthetic bacteria strain is inoculated and cultured during the time t4 to obtain photosynthetic bacteria strains, the photosynthetic bacteria strains are placed in an intelligent fermentation tank, and the photosynthetic bacteria strains are fermented at a second fermentation temperature T2, a light intensity G1, and a second fermentation time t2 to obtain fermented photosynthetic bacteria strains, and the fermented photosynthetic bacteria strains in the intelligent fermentation tank are collected using an ultrafiltration membrane with a pore size of dn to obtain photosynthetic bacteria cells, and Bacillus subtilis, Bacillus licheniformis and photosynthetic bacteria cells are spray-dried and mixed according to a ratio of 1:1:

1. to obtain the prepared microbial agent, and set the temperature to be 24h≤t1≤48h, 30℃≤T1≤37℃, 150r / min≤V1≤300r / min, 72h≤t2≤120h, 5000r / min≤V2≤8000r / min, 10min≤t3≤15min, 48h≤t4≤72h, 25℃≤T2≤30℃, 5000lx≤G1≤10000lx, and 0.1μm≤dn≤0.45μm.

8. The method for preparing the zeolite biomineral organic composite fertilizer according to claim 7, characterized in that: When the mineral composite raw material is prepared in step S2, the natural zeolite, the vermiculite raw material and the montmorillonite raw material are respectively placed in a crusher and crushed to 100 mesh to obtain crushed natural zeolite, crushed vermiculite raw material and crushed montmorillonite raw material, the crushed natural zeolite is placed in a beaker and 10% citric acid is added and soaked for 2 hours, after soaking is completed, it is washed with deionized water to obtain zeolite particles, the crushed vermiculite raw material is placed in a preheating furnace and preheated for 1 hour, and the preheated crushed vermiculite raw material is placed in a high-temperature puffing furnace, and the preheated crushed vermiculite raw material is puffed for 30 seconds at a puffing temperature T4 to obtain vermiculite. Particles, the crushed montmorillonite raw material is placed in a planetary ball mill, and the crushed montmorillonite raw material is ground at a grinding speed V3 until the particle size is less than 100 nm to obtain montmorillonite particles, and 15 parts of the zeolite particles, 5 parts of the vermiculite particles and 5 parts of the montmorillonite particles are placed in a high-speed mixer and mixed at a stirring speed V4 for 2 hours, and 1% silane coupling agent is added and reacted in a fluidized bed at a temperature of 300°C for 1 hour to obtain a mineral mixture, and the conditions are set to 800°C≤T4≤1000°C, 200r / min≤V3≤600r / min, and 1000r / min≤V4≤5000r / min; When preparing the organic fertilizer raw material in step S2, the animal manure, the crop straw and the kitchen waste are placed in a grinder and crushed into animal manure, crop straw and kitchen waste of length L to obtain crushed organic fertilizer raw material, and the moisture content of the crushed organic fertilizer raw material is adjusted to a moisture content hs by spraying water to obtain organic fertilizer, setting 2 cm ≤ L ≤ 4 cm, 50% ≤ hs ≤ 60%.

9. The method for preparing the zeolite biomineral organic composite fertilizer according to claim 8, characterized in that: In step S3, the microbial agent, the mineral complex, and the organic fertilizer are placed in a high-speed blender and mixed according to the zeolite bio-mineral organic composite fertilizer formula to obtain a mixed powder. The uniformity of the mixed powder is monitored using a particle size analyzer to obtain a mixed powder uniformity JY. The mixed powder uniformity JY is compared with a preset mixed powder uniformity JY0, where JY0 is ≥90%, and the mixed powder uniformity is judged based on the comparison result, wherein: When JY≥JY0, the uniformity of the mixed powder is determined to be unsatisfactory, and the mixed powder is mixed and stirred again until the uniformity of the mixed powder is determined to be satisfactory. When JY<JY0, the uniformity of the mixed powder is determined to be up to standard, and the mixed powder is discharged from the inner container of the high-speed mixer to obtain a uniform mixture.

10. The method for preparing the zeolite biomineral organic compound fertilizer according to claim 9, characterized in that: In step S4, the uniform mixture is placed in an intelligent fermentation chamber, and fermented at a third fermentation temperature T5, a fermentation humidity sd, and an aerobic fermentation time t5. The uniform mixture is turned over every 4 hours to obtain a fermented uniform mixture. After obtaining the fermented uniform mixture, the intelligent fermentation chamber is sealed, and the intelligent fermentation chamber is allowed to synthesize humus at a synthesis temperature T6 to obtain a humus synthesis mixture. The humus synthesis mixture is sampled and tested for a carbon-nitrogen ratio C using a carbon-nitrogen ratio meter to obtain a carbon-nitrogen ratio C. The carbon-nitrogen ratio C is compared with a preset carbon-nitrogen ratio standard value C0, and the fermentation state is judged according to the comparison result, wherein: When C<C0, the fermentation state is determined to be incomplete, and the fermentation of the pile body is continued at the third fermentation temperature T5, fermentation humidity sd and aerobic fermentation time t5 until the fermentation state is determined to be complete. When C≥C0, the fermentation state is determined to be complete, and the fermentation is terminated to obtain the intelligent fermentation zeolite biomineral organic compound fertilizer, with the setting of 55℃≤T5≤65℃, 168h≤t5≤240h, 40℃≤T6≤45℃, sd=60%; In the step S4, the intelligent fermented zeolite biomineral organic compound fertilizer is put into the crusher again and crushed to 15 mesh to obtain the crushed intelligent fermented zeolite biomineral organic compound fertilizer, and the crushed intelligent fermented zeolite biomineral organic compound fertilizer is put into the ring die extrusion granulator for granulation, and humic acid with a mass proportion of the total mass X1 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer, a seaweed extract with a mass proportion of the total mass X2 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer, and biochar with a mass proportion of the total mass X3 of the crushed intelligent fermented zeolite biomineral organic compound fertilizer are added as adjuvants, and the granulator is started with an extrusion pressure PJ and a granulation speed vz for granulation to obtain finished zeolite biomineral organic compound fertilizer particles, and the setting is 0.1%≤X1≤1%, 0.5%≤X2≤5%, 15%≤X3≤30%, 5MPa≤PJ≤15MPa, and 50r / min≤vz≤150r / min; In the step S4, when the surface coating of the finished zeolite biomineral organic composite fertilizer particles is performed, nano-titanium dioxide, ethanol and polyvinyl pyrrolidone are weighed in a ratio of 5:100:1, the nano-titanium dioxide, the ethanol and the polyvinyl pyrrolidone are added to an ultrasonic dispersion device and ultrasonically treated for 60 minutes at an ultrasonic dispersion power of P1 to obtain a nano-titanium dioxide dispersion liquid, epoxy acrylate, benzoin dimethyl ether and a leveling agent are weighed in a ratio of 100:2:1 and put into a blender for stirring to obtain a mixed solution, and the nano-titanium dioxide dispersion liquid and 10 mL each of the ethanol and polyvinyl pyrrolidone are added to the mixed solution. The organic solvent acetone is added, and stirring is continued for 30 minutes to obtain a photosensitive resin coating material of nano-oxide, and the photosensitive resin coating material of nano-oxide is covered on the surface of the finished zeolite biomineral organic compound fertilizer particles by a surface coating covering method to obtain the covered finished zeolite biomineral organic compound fertilizer particles, and the covered finished zeolite biomineral organic compound fertilizer particles are sent to an ultraviolet curing box for curing to obtain zeolite biomineral organic compound fertilizer. The surface coating covering method comprises: using an air spray gun to spray the photosensitive resin coating material of nano-oxide on the surface of the finished zeolite biomineral organic compound fertilizer particles.

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