Acidic soil improvement conditioner and preparation method thereof

Abstract

The invention discloses an acid soil improvement conditioner and a preparation method thereof.The acid soil improvement conditioner is prepared from, by weight, 30-20 parts of quick lime, 30-50 parts of slaked lime, 35-40 parts of ardealite, 23-20 parts of humic acid, 120-130 parts of weathered coal and 120-130 parts of bamboo charcoal particles. The quick lime, the slaked lime, the ardealite and the humic acid are arranged, so that the acid soil improvement conditioner is prepared; the soil conditioner can react with acidic substances in the soil, neutralize the acidity of the soil and improve the pH value of the soil, the soil pH value can be adjusted by arranging the weathered coal, the bamboo charcoal particles, the humate and the potassium feldspar, meanwhile, nutrient elements such as potassium and calcium in the soil can be supplemented, and the soil pH value can be adjusted by arranging the dolomite, the calcium magnesium phosphate fertilizer and the oyster shell powder. The soil conditioner has multiple effects of improving soil fertility, supplementing calcium, magnesium and other medium elements in soil, improving soil fertility and the like, provides better growth conditions for crops, and solves the problems that the preparation process is too tedious and the improvement effect of the agent is insufficient.

Description

Technical Field

[0001] The invention relates to the technical field of soil improvement, in particular to an acidic soil improving conditioner and a preparation method thereof. Background Art

[0002] According to the patents published on the China Patent Network, the patent name is: Preparation method of acidic soil improver, and the patent application number is: 201310028566.0. Alkaline plant ash, calcium magnesium phosphate fertilizer and furfural residue are mixed and stirred until uniform, and the finished product is obtained when the weight proportion of water reaches 15-18%. The preparation process of the present invention is simple to operate, and the product can not only effectively regulate the acidification of the soil, but also produce agricultural products that are guaranteed to people's health, effectively supplement potassium, silicon, calcium and phosphorus elements, and has low production cost, which is easy for farmers to accept. However, the preparation process of the acidic soil improver is too complicated, and the improvement effect of the prepared acidic soil improver is not sufficient, resulting in the inability to effectively manage the soil, affecting the quality of soil use.

[0003] Therefore, it is necessary to design and modify the method of acidic soil improvement conditioner to effectively prevent the phenomenon that its preparation process is too complicated and the agent improvement effect is not sufficient. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the purpose of the present invention is to provide an acidic soil improvement conditioner and a preparation method thereof, which has the advantages of being easy to prepare and increasing the improvement effect, and solves the problem that the preparation process is too complicated and the improvement effect of the agent is not sufficient.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: an acidic soil improving conditioner and a preparation method thereof, wherein the acidic soil improving conditioner is composed of the following raw materials in parts by weight: 30-20 parts of quicklime, 30-50 parts of slaked lime, 35-40 parts of phosphogypsum, 23-20 parts of humic acid, 120-130 parts of weathered coal, 120-130 parts of bamboo charcoal particles, 10-20 parts of humate, 15-20 parts of potassium feldspar, 15-25 parts of dolomite, 30-50 parts of calcium magnesium phosphate fertilizer, 15-20 parts of oyster shell powder, 60-70 parts of seaweed extract, 30-35 parts of acidic soil activation factor, 28-35 parts of clay mineral, 60-80 parts of water retaining agent, and 40-70 parts of emulsifier.

[0006] As a preferred embodiment of the present invention, the water retaining agent consists of starch, alginic acid, polyacrylic acid salt and polyacrylamide.

[0007] As a preferred embodiment of the present invention, the method comprises the steps of a) raw material preparation; b) batching process; c) mixing process; d) granulation process; e) drying process; f) cooling process; g) screening process; h) quality inspection; i) packaging process;

[0008] Step a) Raw material preparation: the above raw materials are differentiated according to the configuration ratio, and then placed in a container for storage;

[0009] Step b) batching: the raw materials are subjected to high temperature carbonization under anaerobic or microaerobic conditions to obtain biomass charcoal powder, and then calcium magnesium phosphate fertilizer that meets the standards is selected to ensure that it contains appropriate amounts of phosphorus, calcium, magnesium and other elements, and the calcium magnesium phosphate fertilizer is crushed or sieved as needed to achieve the required particle size;

[0010] Step c) mixing: according to the formula requirements, accurately weigh the raw materials after the above treatment, and then put the weighed raw materials into a mixer and mix them thoroughly. The mixing time can be adjusted according to the performance of the mixer and the properties of the raw materials to ensure that the components are evenly distributed;

[0011] Step d) granulation treatment: the uniformly mixed raw materials are fed into a granulator for granulation. In the granulation step, in addition to the disc granulator, other types of granulation equipment can also be selected, such as an extrusion granulator, a rolling granulator, etc. The type and parameters of the granulator should be selected according to specific needs and the properties of the raw materials to obtain the desired particle shape and size;

[0012] Step e) drying: drying the granulated soil conditioner to remove excess water. The drying temperature and time can be adjusted according to the water content of the raw materials and the performance of the drying equipment to avoid over-drying or under-drying.

[0013] Step f) Cooling treatment: After drying, the soil conditioner needs to be cooled to ensure that it will not change due to excessive temperature during storage and transportation;

[0014] Step g) screening: the dried soil conditioner is screened to remove particles that do not meet the particle size requirements, and the screened product should meet the quality standards;

[0015] Step h) quality testing: testing the water content, particle size distribution, active ingredient content and other indicators of the treated improved conditioner, as well as testing the pH value, nutrient content, moisture content and other indicators of the finished product;

[0016] Step i) Packaging: The tested soil conditioner is packaged for storage and transportation. The packaging materials should be moisture-proof and damage-proof to ensure the quality and safety of the product.

[0017] As a preferred embodiment of the present invention, in addition to the disc granulator, other types of granulation equipment may be selected for the granulation process, such as an extrusion granulator, a rolling granulator, etc.

[0018] As a preferred embodiment of the present invention, the raw materials may be pre-pressed or pre-formed during the granulation process to improve granulation efficiency and quality.

[0019] As preferred embodiment of the present invention, the carbonization temperature and time during the batching treatment can be adjusted according to specific equipment and raw materials, and are generally within the range of 300 to 500°C.

[0020] As a preferred embodiment of the present invention, during the mixing process, the mixer stirs at a speed of 35 to 40 r / min for 50 to 70 min to ensure that the materials are evenly mixed.

[0021] As a preferred embodiment of the present invention, the temperature needs to be maintained at 80°C during the mixing process, and the left and right deviations are no more than 5°C.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention can react with acidic substances in the soil, neutralize the acidity of the soil, and increase the pH value of the soil by setting quicklime, slaked lime, phosphogypsum and humic acid; can adjust the soil pH by setting weathered coal, bamboo charcoal particles, humate and potassium feldspar, and supplement nutrient elements such as potassium and calcium in the soil; can adjust the soil pH by setting dolomite, calcium-magnesium phosphate fertilizer and oyster shell powder, supplement calcium, magnesium and other medium elements in the soil, and improve soil fertility and other multiple functions; can adsorb heavy metal ions in the soil and reduce their harm to crops by setting seaweed extract, acidic soil activating factor, clay mineral, water-retaining agent and emulsifier, and can also improve the water and fertilizer retention capacity of the soil, provide better growth conditions for crops, and solve the problem that the preparation process is too complicated and the improvement effect of the agent is not sufficient. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] The invention provides an acidic soil improving conditioner and a preparation method thereof. The acidic soil improving conditioner is composed of the following raw materials in parts by weight: 30-20 parts of quicklime, 30-50 parts of slaked lime, 35-40 parts of phosphogypsum, 23-20 parts of humic acid, 120-130 parts of weathered coal, 120-130 parts of bamboo charcoal particles, 10-20 parts of humate, 15-20 parts of potassium feldspar, 15-25 parts of dolomite, 30-50 parts of calcium magnesium phosphate fertilizer, 15-20 parts of oyster shell powder, 60-70 parts of seaweed extract, 30-35 parts of acidic soil activation factor, 28-35 parts of clay mineral, 60-80 parts of water retaining agent and 40-70 parts of emulsifier.

[0026] The present invention is further configured that the water retaining agent consists of starch, alginic acid, polyacrylic acid salt and polyacrylamide.

[0027] The present invention is further configured to include the steps of a) raw material preparation; b) batching process; c) mixing process; d) granulation process; e) drying process; f) cooling process; g) screening process; h) quality inspection; i) packaging process;

[0028] Step a) Raw material preparation: the above raw materials are differentiated according to the configuration ratio, and then placed in a container for storage;

[0029] Step b) batching: the raw materials are subjected to high temperature carbonization under anaerobic or microaerobic conditions to obtain biomass charcoal powder, and then calcium magnesium phosphate fertilizer that meets the standards is selected to ensure that it contains appropriate amounts of phosphorus, calcium, magnesium and other elements, and the calcium magnesium phosphate fertilizer is crushed or sieved as needed to achieve the required particle size;

[0030] Step c) mixing: according to the formula requirements, accurately weigh the raw materials after the above treatment, and then put the weighed raw materials into a mixer and mix them thoroughly. The mixing time can be adjusted according to the performance of the mixer and the properties of the raw materials to ensure that the components are evenly distributed;

[0031] Step d) granulation treatment: the uniformly mixed raw materials are fed into a granulator for granulation. In the granulation step, in addition to the disc granulator, other types of granulation equipment can also be selected, such as an extrusion granulator, a rolling granulator, etc. The type and parameters of the granulator should be selected according to specific needs and the properties of the raw materials to obtain the desired particle shape and size;

[0032] Step e) drying: drying the granulated soil conditioner to remove excess water. The drying temperature and time can be adjusted according to the water content of the raw materials and the performance of the drying equipment to avoid over-drying or under-drying.

[0033] Step f) Cooling treatment: After drying, the soil conditioner needs to be cooled to ensure that it will not change due to excessive temperature during storage and transportation;

[0034] Step g) screening: the dried soil conditioner is screened to remove particles that do not meet the particle size requirements, and the screened product should meet the quality standards;

[0035] Step h) quality testing: testing the water content, particle size distribution, active ingredient content and other indicators of the treated improved conditioner, as well as testing the pH value, nutrient content, moisture content and other indicators of the finished product;

[0036] Step i) Packaging: The tested soil conditioner is packaged for storage and transportation. The packaging materials should be moisture-proof and damage-proof to ensure the quality and safety of the product.

[0037] The present invention is further configured such that, during the granulation process, in addition to the disc granulator, other types of granulation equipment may also be selected, such as an extrusion granulator, a rolling granulator, and the like.

[0038] The present invention is further configured such that the raw materials can be pre-pressed or pre-formed during the granulation process to improve the granulation efficiency and quality.

[0039] The present invention is further configured such that the carbonization temperature and time during batching can be adjusted according to specific equipment and raw materials, generally within the range of 300 to 500°C.

[0040] The present invention is further configured that during the mixing process, the mixer stirs at a speed of 35 to 40 r / min for 50 to 70 minutes to ensure that the materials are evenly mixed.

[0041] The present invention is further configured such that the temperature needs to be maintained at 80°C during the mixing process, and the left and right deviations are no greater than 5°C.

[0042] The working principle and use process of the present invention are as follows: first, the user differentiates the above raw materials according to the configuration ratio, and then puts them into a container for storage, and then carbonizes the above raw materials at high temperature under anaerobic or micro-aerobic conditions to obtain biomass charcoal powder, and then selects calcium magnesium phosphate fertilizer that meets the standards to ensure that it contains appropriate amounts of phosphorus, calcium, magnesium and other elements. As needed, the calcium magnesium phosphate fertilizer is crushed or sieved to achieve the required particle size, and then the processed raw materials are accurately weighed according to the formula requirements, and then the weighed raw materials are put into a mixer for sufficient mixing. The mixing time can be adjusted according to the performance of the mixer and the properties of the raw materials to ensure that the components are evenly distributed, and then the evenly mixed raw materials are sent to a granulator for granulation. In the granulation step, in addition to the disc granulator, other types of granulation equipment can also be selected, such as an extrusion granulator, a rolling granulator, etc. The type and parameters of the granulator should be selected according to specific needs and the properties of the raw materials. In order to obtain the required particle shape and size, the granulated soil conditioner is then dried to remove excess moisture. The drying temperature and time can be adjusted according to the moisture content of the raw materials and the performance of the drying equipment to avoid over-drying or under-drying. After drying, the soil conditioner also needs to be cooled to ensure that it will not change due to excessively high temperature during storage and transportation. The dried soil conditioner is then sieved to remove particles that do not meet the particle size requirements. The sieved product should meet the quality standards. The treated improvement conditioner is tested for moisture content, particle size distribution, active ingredient content and other indicators, as well as the pH value, nutrient content, moisture content and other indicators of the finished product. The tested soil conditioner is packaged for storage and transportation. The packaging material should be moisture-proof and damage-resistant to ensure the quality and safety of the product, so that it can be easily prepared and the improvement effect can be increased.

[0043] In summary: the acidic soil improving conditioner and the preparation method thereof can react with acidic substances in the soil, neutralize the acidity of the soil, and increase the pH value of the soil by setting quicklime, slaked lime, phosphogypsum and humic acid; can adjust the soil pH by setting weathered coal, bamboo charcoal particles, humate and potassium feldspar, and supplement nutrient elements such as potassium and calcium in the soil; can adjust the soil pH by setting dolomite, calcium magnesium phosphate fertilizer and oyster shell powder, and can also supplement calcium, magnesium and other medium elements in the soil, and improve soil fertility and other multiple functions; can adsorb heavy metal ions in the soil and reduce their harm to crops by setting seaweed extract, acidic soil activating factor, clay mineral, water retaining agent and emulsifier, and can also improve the water and fertilizer retaining capacity of the soil, provide better growth conditions for crops, and solve the problems that the preparation process is too complicated and the improvement effect of the agent is not sufficient.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An acidic soil improving agent, characterized in that: The acidic soil improving conditioner is composed of the following raw materials in parts by weight: 30-20 parts of quicklime, 30-50 parts of slaked lime, 35-40 parts of phosphogypsum, 23-20 parts of humic acid, 120-130 parts of weathered coal, 120-130 parts of bamboo charcoal particles, 10-20 parts of humate, 15-20 parts of potassium feldspar, 15-25 parts of dolomite, 30-50 parts of calcium magnesium phosphate fertilizer, 15-20 parts of oyster shell powder, 60-70 parts of seaweed extract, 30-35 parts of acidic soil activation factor, 28-35 parts of clay mineral, 60-80 parts of water retaining agent and 40-70 parts of emulsifier.

2. The acidic soil improving agent according to claim 1, characterized in that: The water retaining agent consists of starch, alginic acid, polyacrylic acid salt and polyacrylamide.

3. A method for preparing an acidic soil improving conditioner according to any one of claims 1 to 2, characterized in that: The method comprises the steps of a) raw material preparation, b) batching, c) mixing, d) granulation, e) drying, f) cooling, g) screening, h) quality inspection, and i) packaging. Step a) Raw material preparation: the above raw materials are differentiated according to the configuration ratio, and then placed in a container for storage; Step b) batching: the raw materials are subjected to high temperature carbonization under anaerobic or microaerobic conditions to obtain biomass charcoal powder, and then calcium magnesium phosphate fertilizer that meets the standards is selected to ensure that it contains appropriate amounts of phosphorus, calcium, magnesium and other elements, and the calcium magnesium phosphate fertilizer is crushed or sieved as needed to achieve the required particle size; Step c) mixing: according to the formula requirements, accurately weigh the raw materials after the above treatment, and then put the weighed raw materials into a mixer and mix them thoroughly. The mixing time can be adjusted according to the performance of the mixer and the properties of the raw materials to ensure that the components are evenly distributed; Step d) granulation treatment: the uniformly mixed raw materials are fed into a granulator for granulation. In the granulation step, in addition to the disc granulator, other types of granulation equipment can also be selected, such as an extrusion granulator, a rolling granulator, etc. The type and parameters of the granulator should be selected according to specific needs and the properties of the raw materials to obtain the desired particle shape and size; Step e) drying: drying the granulated soil conditioner to remove excess water. The drying temperature and time can be adjusted according to the water content of the raw materials and the performance of the drying equipment to avoid over-drying or under-drying. Step f) Cooling treatment: After drying, the soil conditioner needs to be cooled to ensure that it will not change due to excessive temperature during storage and transportation; Step g) screening: the dried soil conditioner is screened to remove particles that do not meet the particle size requirements, and the screened product should meet the quality standards; Step h) quality testing: testing the water content, particle size distribution, active ingredient content and other indicators of the treated improved conditioner, as well as testing the pH value, nutrient content, moisture content and other indicators of the finished product; Step i) Packaging: The tested soil conditioner is packaged for storage and transportation. The packaging materials should be moisture-proof and damage-proof to ensure the quality and safety of the product.

4. The method for preparing an acidic soil improving conditioner according to claim 3, characterized in that: During the granulation process, in addition to the disc granulator, other types of granulation equipment can also be selected, such as an extrusion granulator, a rolling granulator, etc.

5. The method for preparing an acidic soil improving conditioner according to claim 3, characterized in that: During the granulation process, the raw materials may be pre-pressed or pre-formed to improve the granulation efficiency and quality.

6. The method for preparing an acidic soil improving conditioner according to claim 3, characterized in that: The carbonization temperature and time during the batching process can be adjusted according to the specific equipment and raw materials, and are generally within the range of 300-500°C.

7. The method for preparing an acidic soil improving conditioner according to claim 3, characterized in that: During the mixing process, the mixer stirs at a speed of 35 to 40 r / min for 50 to 70 minutes to make the materials mixed evenly.

8. The method for preparing an acidic soil improving conditioner according to claim 3, characterized in that: The temperature needs to be maintained at 80°C during the mixing process, and the left and right deviations are not greater than 5°C.