82 results about "Oyster shells" patented technology

The invention discloses an organic-inorganic composite acid soil conditioner with synergism of nitrogen element synergism and soil expansion and application, and belongs to the technical field of soil conditioners. The modifier prepared by the invention is prepared from an acid neutralizer, a structure modifier, a capacity expansion synergist and a nitrogen synergist and is prepared from the following components in parts by weight: 18 to 22 parts of dolomite powder, 6 to 10 parts of lime powder, 20 to 24 parts of oyster shell powder, 8 to 12 parts of humic acid, 4 to 8 parts of sargassum, 1 to 3 parts of sodium alginate, 7 to 11 parts of charcoal, 5 to 9 parts of sepiolite powder, 3 to 7 parts of bentonite, 6 to 10 parts of poly gamma-calcium glutamate and 3 to 7 parts of chitosan. The soil conditioner can regulate and control the soil acidity, buffer the soil capacity, improve the soil structure and balance soil nutrients, solves the problems of high re-acidification rate, soil hardening and nutrient imbalance of a traditional lime conditioner, and is suitable for pHlt; and 6.5, repairing the acid soil.

The invention discloses oyster shell-starch sludge carbon quantum dots and application thereof as a pepper growth promoter, and belongs to the technical field of organic fertilizers, soil improvement and waste utilization. Comprising the following steps: crushing oyster shells, mixing the crushed oyster shells with starch sludge, performing hydrothermal reaction, centrifuging, taking supernate, dialyzing, freezing and drying. The promoter can be used for enhancing photosynthesis of pepper leaves, promoting growth and yield increase of pepper in saline-alkali soil, and can be used as a promoter for growth and yield increase of pepper in saline-alkali soil. The plant height, stem diameter, leaf length, leaf width and fresh weight of the pepper treated by the oyster shell starch sludge carbon quantum dots are obviously improved. The maximum quantum yield, the actual photosynthesis efficiency, the absolute electron conductivity and the non-photochemical quenching coefficient of pepper plants can be obviously improved. The plant height, stem diameter, leaf area and single plant yield of pepper plants can be obviously improved when the fertilizer is applied to the field. After the calcium-doped carbon quantum dots are treated, the growth and development of the saline-alkali soil peppers are promoted, the photosynthesis of the saline-alkali soil peppers is promoted, and the yield of the peppers is increased.

The invention relates to the technical field of improvement of coastal saline-alkali land, in particular to a soil conditioner for salt-control fertile soil of coastal fishery reclamation saline-alkali land and a preparation method of the soil conditioner. The invention relates to a soil conditioner for salt-control fertile soil of coastal fishery receding reclamation saline-alkali land. The soil conditioner comprises the following raw material components in parts by mass: 40-60 parts of urea, 25-45 parts of calcium superphosphate, 30-45 parts of potassium sulfate, 20-25 parts of modified oyster shell powder, 10-15 parts of humic acid, 3-5 parts of a compound microbial agent, 10-20 parts of desulfurized gypsum and 25-35 parts of a biochar composite material, the biochar composite material is prepared from the following raw material components in parts by mass: 1 to 2 parts of sodium alginate, 1 to 2 parts of chitosan, 3 to 8 parts of biochar, 1 to 5 parts of calcium chloride, 10 to 20 parts of tuff stone powder, 0.25 to 2 parts of acidified attapulgite, 0.01 to 0.08 part of graphene oxide, 1 to 5 parts of ferric nitrate, 0.6 to 3 parts of copper nitrate and 0.1 to 0.5 part of silane coupling agent. By adopting the soil conditioner prepared by the invention, the pH value of soil, the volume weight of the soil and the total amount of water-soluble salts can be remarkably reduced, meanwhile, the organic matters of the soil are increased, and the porosity of the soil is increased.

The invention discloses a method for preparing isostearic acid by hydrogenation of a bio-based carrier catalyst, and relates to the technical field of oleochemical engineering and catalyst preparation, and the method comprises the following steps: S1, preparing a bio-based supported catalyst; s2, taking isomerized oleic acid as a raw material, and carrying out catalytic hydrogenation reaction under the action of a catalyst; s3, separating a product obtained after the hydrogenation reaction to obtain isostearic acid; according to the method for preparing isostearic acid by hydrogenation of the bio-based carrier catalyst, oyster shells are selected as a catalyst carrier, and specific pretreatment and high-temperature firing are performed, so that waste biomass resources are converted into a high-specific-surface-area calcium oxide carrier with a natural nanoscale sheet-shaped superposed three-dimensional space structure; high-value utilization of waste resources is achieved, so that the effects that the cost of raw materials of the catalyst is remarkably reduced and the carrier is environmentally friendly are achieved, and the high-activity non-noble metal hydrogenation catalyst is obtained by adopting copper nitrate solution impregnation and combining with a loading mode of subsequent hydrogen reduction.

The present invention relates to a heating panel using a carbon fiber heating element and an SPC flooring material and a method for manufacturing the same. More specifically, the invention relates to a heating panel using an improved carbon fiber heating element and an SPC flooring material and a method for manufacturing the same, wherein the heat conduction efficiency is maximized by integrating a carbon fiber-based heating element inside an SPC (Stone Plastic Composite) flooring material, heat loss is minimized through a multi-layer structure including a functional layer based on oyster shells, electromagnetic waves and sparks are suppressed, and the construction process is drastically simplified.

The invention discloses a drinking water targeted sterilization and disinfection device based on an asymmetric vacancy catalytic material and application of the drinking water targeted sterilization and disinfection device to removal of pathogenic microorganism polluted water, and relates to the technical field of water treatment. The device comprises a raw water tank, a peristaltic pump, a filter column, an aeration pump, an aeration diffuser and a clean water tank, the filter column comprises a column body, an asymmetric vacancy catalytic material, a bearing plate, a gravel filler and an oyster shell filler, a bearing plate is arranged at the bottom of the column body, and a gravel filler, an oyster shell filler and an asymmetric vacancy catalytic material are sequentially arranged on the bearing plate from bottom to top. According to the invention, an asymmetric vacancy catalytic material is precisely constructed, an electron polarization effect is induced, and a filter column drinking water treatment device is combined, so that a novel RO / 1O2 synergistic oxidation disinfection technology which is efficient, targeted and low in byproduct generation is constructed. Safety guarantee is provided for rural distributed water supply, the safety and reliability of rural drinking water can be comprehensively improved, and sustainable development of rural drinking water safety engineering is promoted.

The present application relates to the field of agricultural technology, and provides a preparation method of a straw-derived organic calcium conditioner and application of the straw-derived organic calcium conditioner in red soil hardening repair, solves the problem that existing conditioners do not have a slow-release effect, and the effect of red soil hardening reduction, acid improvement and crop yield increase after application of the conditioner is poor, and comprises the following steps: S1, raw material pretreatment and compounding: pulverizing rice straw and mixing the rice straw with oyster shell powder to obtain mixed raw materials; S2, pyrolysis treatment is performed on the mixed raw materials, and volatile components generated in the pyrolysis process are recovered through a condensation system; S3, organic acid activation: the pyrolysis and carbonization products are mixed with an organic acid activation liquid to obtain activated carbonization products; S4, chimeric and mechanical activation: the activated carbonization products are mixed with polyethylene glycol and subjected to ball milling treatment; S5, polymer cross-linking reaction: polyvinyl alcohol and citric acid are added and mixed for reaction; and S6, shaping and granulation: shaping treatment is performed to obtain the straw-derived organic calcium conditioner.

The invention relates to the technical field of bio-organic fertilizers, in particular to a bio-organic fertilizer and a preparation method thereof. The bio-organic fertilizer is prepared from the following raw materials in parts by weight: 60-80 parts of a base material, 20-30 parts of an auxiliary material, 10-20 parts of powder, 8-12 parts of a paste material and 1-3 parts of a complex microbial inoculant, the base material is a mixture of straws, coconut shells, peanut shells, bean dregs, distillers' grains and sawdust. According to the biological organic fertilizer disclosed by the invention, powder is added in the preparation process of the biological organic fertilizer, and a calcium carbonate component of oyster shells is utilized, so that rich calcium elements can be provided for plant root systems after the fertilizer is applied, and the stability of the plant root systems is facilitated; the boron element can influence the community structure and diversity of soil microorganisms, can help plant root systems to absorb nutrients, enhances the nutrient supply of the bio-organic fertilizer to plants, and effectively improves the use effect of the bio-organic fertilizer.

The invention provides a biochemical composite soil heavy metal pollution fixing and repairing material and a preparation method thereof.The preparation method comprises the steps that biochar is subjected to acid treatment, and activated biochar is obtained; uniformly mixing calcium salt, ferric salt, aluminum salt and deionized water to obtain a mixed salt solution, adding urea to obtain a precursor solution, dipping the activated charcoal in the precursor solution, and then performing hydrothermal reaction to obtain loaded charcoal; mixing and grinding the oyster shell powder and dipotassium phosphate, and calcining at high temperature to obtain activated oyster shell powder; mixing the bacillus subtilis liquid, the activated oyster shell powder and trehalose, oscillating, centrifugally separating, and freeze-drying to obtain the biological composite material. Uniformly mixing the loaded biochar, the biological composite material and a carboxymethyl cellulose solution, granulating, and drying wet granules to obtain the biochemical compound type soil heavy metal pollution fixing and repairing material. According to the prepared fixing and repairing material, the fixing efficiency and adaptability to various heavy metals in soil are improved.

This invention relates to a method for preparing a biodegradable film using calcium carbonate extracted from oyster shells, and the biodegradable film prepared therefrom. According to this invention, by applying the biodegradable film in the preparation of packaging paper, bags, etc., which require biodegradability, the amount of plastic used can be significantly reduced, achieving eco-friendliness, while oyster shells, which are treated as industrial waste or discarded, can be utilized as a resource.

The invention discloses a method for culturing Eriocheir sinensis with oyster shells, which comprises the following steps: S1, pretreating a crab pond, and laying a microporous oxygenation pipeline; s2, collecting the waste oyster shells, and performing cleaning, disinfection and drying treatment; s3, the oyster shells treated in the step S2 are stacked in a long ridge shape in the crab pond in the direction parallel to the micropore oxygenation pipeline, and the whole crab pond is disinfected; s4, waterweed is planted in the oyster shell ridge direction in the middle ten days of January; s5, crab species are stocked in early February, so that the environment richness of the crab pond is improved, self-killing of the river crabs is reduced, the survival rate is increased, and the adult crab breeding technology is more environmentally friendly and efficient.

The invention discloses a method for preparing water-soluble calcium potassium fulvate and solid calcium humate through catalytic pyrolysis of oyster shells and biomass. The method comprises the following steps: preparing a catalyst; the pretreated oyster shells and biomass are mixed, a citric acid-ethanol solution is added for ultrasonic treatment, the mixture is mixed with a catalyst and an oxidizing agent, and the temperature is increased in the inert gas atmosphere; spraying a KOH solution, and heating to generate a pyrolysis product; and adding deionized water into the pyrolysis product, uniformly stirring, reacting in a high-temperature and high-pressure reaction kettle, cooling to room temperature after the reaction is finished, and separating and purifying to obtain the water-soluble potassium calcium fulvate and solid calcium humate. According to the invention, high-cost chelating agents such as EDTA (Ethylene Diamine Tetraacetic Acid) and the like are replaced by recycling wastes, the cost of the calcium fertilizer is reduced by 80%, the crop yield is increased by 30-50%, and an efficient low-carbon solution is provided for improvement of saline-alkali soil.

This invention discloses a soil remediation agent, its preparation method, and its application. The soil remediation agent comprises a humic acid-based remediation agent and an encapsulated microbial remediation agent; it contains an oyster shell pretreatment agent and a chitosan pretreatment agent; the oyster shell pretreatment agent comprises active calcium and zinc oxide; the zinc oxide coats at least a portion of the surface of the active calcium; the active calcium is formed by sequentially calcining and hydrating oyster shells; the chitosan pretreatment agent is formed by activating chitosan with inorganic peroxide. This invention utilizes the loose and porous framework structure of calcined oyster shells and modified chitosan to provide a porous matrix for humic acid and microorganisms, preparing a combined physicochemical adsorption and microbial adsorption degradation remediation agent. This not only efficiently solves the problem of heavy metal pollution in soil, but also provides a stable remediation agent structure that can be recycled after remediation, effectively removing heavy metals from the soil and preventing secondary pollution.

This invention discloses an integrated soil regeneration granule for indigenous bacteria activation and soil improvement, and its preparation method. The granule employs a two-component (A / B) layered structure, consisting of a disintegration trigger core, an A-component habitat layer, and a B-component functional layer from the inside out. The disintegration trigger core contains citric acid microcapsules coated with gelatin-gum arabic, which, in synergy with sodium bicarbonate, achieves precise gas production and disintegration over 12 months, propelling microbial communities and nutrients to deeper soil layers. The A-component habitat layer constructs a gradient porous structure, inhibiting pore blockage and efficiently capturing indigenous bacteria. The B-component functional layer relies on biochar and humic acid for nutrient supply, and incorporates oyster shell powder to construct a pH buffering system. This granule can both capture and colonize beneficial indigenous bacteria, and can also be artificially and directionally implanted with beneficial bacteria, serving as an excellent carrier for microbial fertilizers to enhance their efficacy. It achieves synergistic effects of saline-alkali soil improvement, microbial activation, and soil structure reconstruction, specifically addressing the shortcomings of similar technologies in Japan, and has a wider range of applications.

The invention discloses a fertilizer for improving waterlogging tolerance of plants and application of the fertilizer, and belongs to the technical field of agricultural fertilizers. Comprising the following components in parts by weight: 20-40 parts of ground phosphate rock, 20-30 parts of oyster shell powder, 20-30 parts of urea, 15-20 parts of potassium chloride, 10-20 parts of illite powder and 8-12 parts of lentinan. The phosphorite powder, the oyster shell powder, the potassium chloride, the illite powder and the lentinan are compounded for the first time, and a'mineral nutrition regulation-soil physical improvement-plant immune activation 'three-in-one synergistic anti-waterlogging technical system is constructed. All the components complement each other and have synergistic interaction, and the anti-waterlogging effect is far better than that of a single component or conventional fertilizer. The functional anti-waterlogging fertilizer fills the technical blank of functional anti-waterlogging fertilizers, provides an innovative solution for stress resistance and stable yield of crops with the comprehensive advantages of low cost, high efficiency and environmental protection, and has remarkable economic benefits and social benefits.

The application discloses a method and system for purifying ammonia-nitrogen wastewater by using oyster shell reinforced photosynthetic microorganisms. Seed liquid is obtained by culturing and enriching Rhodopseudomonas palustris, Rhodospirillum profundum, Sulfurspirochaeta shaposhnikovii and Rhodopseudomonas coprophila, and the above photosynthetic microorganisms are used as the core for purifying ammonia-nitrogen wastewater. The photosynthesis of the photosynthetic microorganisms absorbs light energy, converts the light energy into chemical energy, reduces the ammonia-nitrogen in the wastewater into inorganic nitrogen gas by using the chemical energy, and fixes CO2 in the air into biological organic matter, so that the removal of ammonia-nitrogen in the wastewater and the growth and reproduction of the photosynthetic microorganisms are realized. In the application, the photosynthetic microorganisms are used for denitrification, the carbon source input cost in the ammonia-nitrogen wastewater treatment process is greatly reduced, the discarded oyster shell is used as a biological carrier, the pH value of the wastewater can be corrected and CO2 in the water body can be supplemented, and the photosynthetic microorganisms are provided with a favorable growth and reproduction environment and a denitrification environment, and meanwhile, the discarded oyster shell can be treated in a reduced amount.

The application discloses a kind of ultra-high temperature aerobic fermentation composite microbial inoculum for treating organic solid waste, belonging to solid waste biological treatment technical field.The composite microbial inoculum is compounded by functional microbial inoculum group and auxiliary group, the functional microbial inoculum group includes thermophilic side spore mold agent, thermophilic bacillus agent, high-temperature actinomycete agent, fecal alkali-producing bacteria agent, the auxiliary group is composed of modified diatomite, coated fungus bran carbon, oyster shell calcined powder, kitchen waste pretreatment powder, sodium lignosulfonate and sodium gluconate.The composite microbial inoculum is adapted to municipal sludge, livestock and poultry manure, open-air strip-pile type fermentation of kitchen waste mixed solid waste, can be quickly heated to 80 DEG C or more, ultra-high temperature duration is greater than or equal to 7.8 days, roundworm egg inactivation rate is greater than or equal to 99.9%, comprehensive antibiotic degradation rate is greater than or equal to 90.2%, heavy metal comprehensive passivation rate is greater than or equal to 85.5%, effectively control odor emission, can be applied to municipal sludge, livestock and poultry manure, open-air strip-pile type fermentation of kitchen waste mixed solid waste, and has good industrial application value.

The application relates to an acidified soil conditioner and a preparation method, and belongs to the technical field of soil conditioners. The acidified soil conditioner is prepared from the following raw materials in parts by weight: bacillus subtilis 10-15 parts, EM bacteria 10-15 parts, ethylhexyl glycerin 20-30 parts, chitin 3-8 parts, sodium tripolyphosphate 10-15 parts, calcium-magnesium phosphate fertilizer 25-35 parts, allantoin 12-15 parts, modified oyster shell 20-30 parts and modified beer lees 35-45 parts. The soil conditioner can improve soil acidity, increase the pH value, increase the content of organic matter and other nutrient components, reduce the content of heavy metals, is beneficial to crop growth, and improves the quality and yield of crops.

The invention discloses a phosphorus-modified calcium-based biomineral material for inhibiting leaching of heavy metals in fly ash and application, and belongs to the technical field of fly ash treatment. The material takes waste oyster shells as a raw material, and is prepared by grinding, sieving, dipotassium phosphate modification, pyrolysis at 400-600 DEG C, grinding and sieving with a 0.15-0.22 mm sieve, the pH is 10.2-11.3, the calcium accounts for 20-30%, and the phosphorus accounts for 6-8%. During application, the mass ratio of the material to fly ash is 0.01-0.1, and the material is cured for 24 hours and dried. The material can efficiently fix seven heavy metals such as As and Cd in the fly ash, the leaching concentration reaches the standard, the secondary release rate is low under the acidic condition, resource utilization of the oyster shells is achieved, the cost is low, and the material is suitable for stabilizing treatment of the waste incineration fly ash.

The utility model discloses a marine ranching coral reef typhoon -resistant reinforcing structure and ecological barrier system relates to marine ranching technical field, including coral reef pedestal and reinforcing component, the coral reef pedestal is integrated into one piece structure, and the surface of coral reef pedestal is provided with the cylindrical containing groove, the reinforcing component sets up at the surface of coral reef pedestal, and reinforcing component includes oyster shell composite layer, reinforcing threaded drill rod, bottom fixed drill, fixed bottom plate and spiral reinforcing drill. The utility model discloses a marine ranching coral reef typhoon -resistant reinforcing structure and ecological barrier system, through reinforcing component makes the device enhanced the stability of coral reef, and the typhoon -resistant performance improves, can enhance the stability of ecological barrier, provides the lasting habitat for fish and resists the sea wave erosion, through the degradable polymer grid, the connecting plate, the fixed drill rod and the barrier component make the device can provide the biological habitat for marine ranching, purify water quality and resist the storm surge impact, so as to be convenient for maintaining ranching ecological balance and productivity.

1. Name of the product in this design: Oyster shell opener. 2. Purpose of this design: As a tool for opening oyster shells. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A method for preparing high-purity calcium carbonate from oyster shells, comprising the following steps: 1) oyster shell treatment; 2) preparation of calcium butyrate solution; 3) preparation of high-purity calcium carbonate. The raw material is oyster shell, which belongs to renewable resources, solving the environmental pollution problem of oyster shells, reducing the exploitation of lime mines, and protecting natural resources and the ecological environment; low-temperature reaction is adopted, and the ratio of oyster shell powder to butyric acid is controlled, the oyster shell powder is in excess, and the alkalinity of the solution is controlled, so that other metal ions exist in the form of precipitation, and a relatively pure calcium butyrate solution can be obtained; the molar ratio of calcium butyrate to sodium carbonate is controlled to be 1:0.8, and the precipitation is precipitated in stages, and the solution is controlled to be slightly acidic, so that other metal ions exist in the form of solution, and high-purity calcium carbonate can be obtained.

The application belongs to the technical field of soil improvement, and relates to a kind of acid-resistant and aluminum-controlling micro-nano composite mineral conditioner and a preparation method thereof, specifically comprising the following steps: step (1) crushing floatstone, wollastonite, serpentine, oyster shell and phosphorite; step (2) preparing micro-nano mineral material; step (3) preparing humic acid modified phosphorite; step (4) mixing and granulating the micro-nano mineral material and the humic acid modified phosphorite to obtain component A; step (5) mixing spruce extract and betaine to obtain conditioner component B; and step (6) fully mixing component B with component A at a mass ratio of 0.01% to 0.10% to obtain the conditioner. The conditioner prepared by the application can stabilize soil structure, reduce the activity of aluminum, manganese and iron ions, promote the combination of organic small molecules and inorganic ions, prevent the decomposition of clay minerals, and reduce soil heavy metals and active aluminum. The acid-resistant and aluminum-controlling micro-nano composite mineral conditioner with high activity and dispersity can efficiently improve the physicochemical properties of acidic soil and promote crop growth.

The invention relates to the technical field of sewage treatment, in particular to an adsorbent for sewage treatment and a preparation method thereof. The adsorbent is prepared from the following raw materials in parts by weight: 50-70 parts of an additive, 20-30 parts of activated carbon, 5-10 parts of polyacrylamide, 3-8 parts of ammonium bicarbonate, 5-15 parts of a functional aid and 80-120 parts of deionized water. According to the invention, the additive takes oyster shell powder as an adsorption matrix, the oyster shell powder is compounded with a reaction material containing organic phosphonic acid, complex groups in the reaction material can fix pollutants on the surface of the additive to realize synergistic interaction of physical adsorption and chemical complexing, and the functional additive is composed of composite powder and modified nano silicon dioxide. The composite powder adsorbs pollutants through hydrogen bonds and complexation of active functional groups and strengthens capturing and fixing effects on organic pollutants, and the prepared adsorbent has physical adsorption and chemical bonding functions and can effectively remove organic matters and heavy metal ions in sewage.

The invention discloses a standardized evaluation method for shell hardness of crassostrea gigas, and belongs to the field of aquatic shellfish mechanical phenotype determination and biomineralization material performance detection. The method comprises the following steps: carrying out cleaning pretreatment on double shells of crassostrea gigas; respectively determining the longest axis and the widest axis in the contours of the left shell and the right shell, constructing an orthogonal reference cross axis, axially arranging three standardized measurement sites of the left shell and the right shell at positions about 5mm away from the inner sides of the edges of the shells, and marking the standardized measurement sites; cutting the marked area to obtain a flat shell sample; applying a load of about 10 gf to each measurement site by using a Vickers microhardness tester, maintaining the pressure for about 10 seconds, and carrying out multiple indentation tests to obtain an original hardness value; carrying out abnormal value elimination and mean value calculation on the data to obtain representative hardness values of all sites; and further comprehensively calculating representative hardness values of six sites of the left shell and the right shell, and constructing an individual comprehensive shell hardness index. Compared with an existing single-point or random sampling measurement method, the method has the advantages that the problems of irregular shell shapes, asymmetry of left shells and right shells and the like of oysters are considered, and the accuracy and repeatability of oyster hardness phenotype measurement are remarkably improved through standardization of measurement sites and multi-site high-repetition measurement. The method can be widely applied to the fields of oyster stress resistance evaluation, marine acidification, environmental monitoring and the like, provides possibility for accurate phenotype determination in GWAS and QTL positioning in breeding, and has a huge application prospect.

The invention belongs to the technical field of pet food, and particularly relates to a filtering-slow-release agent, pet drinking water and a preparation method of the filtering-slow-release agent, and the filtering-slow-release agent is composed of a first component and a second component; the first component is oyster shell powder; the second component is prepared from mussel powder, sodium alginate, hydroxypropyl methyl cellulose, water and taurine; the mass ratio of the mussel powder to the sodium alginate to the hydroxypropyl methyl cellulose to the water to the taurine is (1: 1)-(1.5: 1: 0.1: 0.5). The taurine is wrapped in the sustained-release balls composed of the hydroxypropyl methyl cellulose, the mussel powder and the sodium alginate, and the adsorption effect of the oyster shell powder is combined, so that the sustained release of the delicate flavor component and the taurine is realized.

The invention relates to a microbial organic fertilizer and application thereof, and belongs to the technical field of biology, the microbial organic fertilizer comprises the following components: a component A comprising the following components in parts by mass: 4-6 parts of soybean peptide powder, 18-22 parts of soybean enzymatic hydrolysate, 18-24 parts of corncob furfural residue powder, 14-16 parts of mineral source humic acid, 12-18 parts of mushroom residue powder, 6-15 parts of rice hull powder, 6-9 parts of oyster shell powder, and 5-7 parts of cattle bone powder; the component B comprises a Japanese bradyrhizobium inoculant, a micrococcus luteus inoculant and a bacillus subtilis inoculant in a mass ratio of 1: (1-2): (3-6); and the mass of the component B is 1-3% of that of the component A. The bio-organic fertilizer provided by the invention can effectively prevent and treat clubroot caused by plasmodiophora brassicae and improve the yield of Chinese cabbages; the biological organic fertilizer provided by the invention can be used for effectively preventing and treating tomato bacterial wilt caused by pseudomonas solanacearum and increasing the yield of tomatoes; the bio-organic fertilizer provided by the invention can be used for effectively preventing and treating tea tree root rot caused by hard aschersonia, and the yield and the quality of tea leaves are improved.

The invention discloses a storage device for an oyster shell powder production line, and belongs to the technical field of powder storage, the storage device for the oyster shell powder production line comprises a discharging chassis, a plurality of stacked shells are fixedly connected to the top end of the discharging chassis, and a top cover is fixedly connected to the top end of the shell located at the top; one sides of the shells are jointly and fixedly connected with a first transmission assembly, the inner sides of the shells are rotationally connected with a separation and storage assembly, the middle of the separation and storage assembly is rotationally connected with a second transmission assembly, and the top cover and the bottom end of the separation and storage assembly are rotationally connected with release stirring assemblies correspondingly. A plurality of independent storage cavities are constructed by adopting the stackable separated storage assemblies and the shell, huge static pressure concentrated at the bottom in a traditional tall and large stock bin is effectively decomposed into local pressure of a plurality of low bin sections, the problem that shell powder and other materials prone to caking are compacted and hardened due to long-term high pressure at the bottom is fundamentally solved, and the storage efficiency is improved. And the loose state of the materials is ensured.

The present application relates to the technical field of mangrove ecological restoration, and discloses a mangrove ecological restoration method based on a beach suitable for forest land, which comprises the following steps: (1) constructing a suitable forest land; S1, fixing mud with pine piles: two layers of pine piles are punched at a distance of 30-50 cm from the periphery of the area to be restored, and the beach mud is fixed; S2, filling mud to construct a planting base: the beach mud is filled in the area to be restored to construct a planting base, and a beach suitable for forest land is obtained; S3, constructing a wave protection dike: two layers of bamboo fences are inserted around the area to be restored, and oyster shells and silt are filled in the bamboo fences at intervals to form an oyster reef wave protection dike; (2) planting mangroves; S4, selecting and breeding: two or more seedlings are selected for breeding to obtain hypocotyl seedlings or seedlings; S5, combined planting: two or more seedlings are planted by means of interplanting, and mangroves are obtained. The present application effectively improves the speed of mangrove ecological construction and restoration by reasonably configuring pine piles and oyster reef wave protection dikes.

The utility model relates to the technical field of oyster shell collection, in particular to an oyster shell collection device which comprises an inclined vibration screening device, an oyster shell input device and a watering device, an air pump is arranged on one side of the oyster shell input device, a bottom driving plate is closed when the oyster shell input device is started, then the air pump is closed, and the bottom driving plate is opened; the inclined vibration screening device is provided with three layers, the uppermost two layers are used for screening the oyster shells and impurities of different sizes, screening holes of different sizes are formed according to the different oyster shell size requirements, the lowermost layer is used for containing the impurities, follow-up treatment is more convenient, and the screening efficiency is improved. A plurality of water outlet pipes are arranged above the inclined vibration screening device and used for flushing impurities and residual meat in the oyster shells in the screening process of the inclined vibration screening device, and the oyster shells and the impurities are better separated.