Preparation method of insect litter bio-organic fertilizer
By mixing white star flower beetle larvae with humus to produce insect sand organic fertilizer, and then mixing it with functional plant extracts and additives, the problems of organic waste treatment and bio-organic fertilizer preparation are solved, achieving efficient organic waste treatment and high-quality fertilizer production.
Patent Information
- Application Number
- CN202511890124.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-15
- Publication Date
- 2026-02-10
AI Technical Summary
Existing technologies have failed to effectively utilize the larvae of the white-spotted flower beetle to treat agricultural organic waste, and there is a lack of efficient methods for preparing bio-organic fertilizer.
By mixing white-spotted flower beetle larvae with humus, insect sand organic fertilizer is generated. This fertilizer is then mixed with functional plant extracts and additives to kill pests in the soil. The ratio of larval feed is adjusted, and secondary composting and fermentation are carried out to improve fertilizer quality.
It provides efficient organic waste treatment and high-quality bio-organic fertilizer, solving the problem of organic waste pollution while improving soil fertility and safety.
Smart Images

Figure CN121494626A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of bio-organic fertilizer preparation technology, and in particular to a method for preparing insect-sand bio-organic fertilizer. Background Technology
[0002] The white-spotted flower beetle is a common insect whose larvae are saprophytic and adept at processing agricultural organic waste. They feed on decomposed straw and livestock manure, effectively solving the problems of straw accumulation and manure buildup. Their excrement, insect sand, is high-quality organic fertilizer, and the larvae themselves are a high-protein feed suitable for animal husbandry. Therefore, fully utilizing the white-spotted flower beetle to process organic waste and produce bio-organic fertilizer is a promising research topic. Summary of the Invention
[0003] The purpose of this invention is to address the aforementioned deficiencies in the existing technology by providing a method for preparing insect-sand bio-organic fertilizer. This method involves mixing white-spotted flower beetle larvae with prepared humus to eliminate the humus and generate organic fertilizer. This fertilizer is then mixed with functional plants and applied to the soil to kill pests in the soil.
[0004] The present invention discloses a method for preparing insect-sand bio-organic fertilizer, the technical solution of which includes the following process: I. Raw material preparation: Prepare rotten straw and livestock and poultry manure organic waste. These raw materials need to be pre-treated by composting to soften and decompose them into humus suitable for the larvae of white-spotted flower beetles to feed on. II. Larval Rearing: Mix the larvae of the white-spotted flower beetle with the prepared humus. The larvae will continuously digest and excrete during the feeding process. Maintain a suitable temperature and humidity in the rearing environment to promote larval growth and continuous production of feces. 3. Collection of insect sand: The excrement of the larvae of the white-spotted flower beetle is insect sand, which is black, long oval-shaped granules. After drying, it has no odor and is rich in humus and organic matter. When the insect sand accumulates to a certain amount, it is collected. IV. Insect Sand Treatment: The collected insect sand is mixed with functional plant extracts and additives to obtain insect sand bio-organic fertilizer.
[0005] Preferably, the amount of the above-mentioned functional plant extract added does not exceed 1% of the total amount of insect sand. The functional plants include: Stemona japonica, pine needles, Sophora flavescens, and Melia toosendan, in a weight ratio of 1:1:1:1, which play a role in killing pests in the insect sand.
[0006] Preferably, the above-mentioned functional plant extract or additive is processed by a dissolving machine, which includes a dry powder silo (1), a mixing chamber (2), a mixer (3), a dry powder conveying motor (4), a screw conveyor (5), an air vent (8), a drug outlet (9), a water inlet pipe (11), and an electrical control box (12). The dry powder silo (1) is installed on the top of the mixing chamber (2), and the dry powder conveying motor (4) and the screw conveyor (5) are installed on one side of the dry powder silo (1). The water inlet pipe (11) is connected to one side of the mixing chamber (2), and one or more mixers (3) and electrical control boxes (12) are also installed on the mixing chamber (2). The drug outlet (9) is provided on the lower side of the mixing chamber (2).
[0007] Preferably, a solenoid valve (6), an inlet float flow meter (7) and a water pressure gauge (8) are installed on the above-mentioned inlet pipe (11), and a level gauge (10) is installed on the mixing chamber (2).
[0008] Preferably, in step one, the organic matter content and nutrient composition of the insect sand are affected by adjusting the proportion of straw and livestock manure in the feed for white-spotted flower beetle larvae.
[0009] Preferably, increasing the proportion of straw can increase the fiber content of insect sand, while increasing the proportion of livestock and poultry manure can increase the nitrogen and phosphorus elements.
[0010] Preferably, in step four, the insect sand is mixed with some incompletely decomposed organic materials, such as straw and livestock manure, for secondary composting and fermentation. This process can further decompose the large molecular organic matter in the insect sand, making it easier for plants to absorb, while killing any possible pathogens and weed seeds, thus improving safety.
[0011] Preferably, the following specific steps are added during the secondary composting fermentation process: (1) Adding microbial strains: Add EM bacteria and beneficial microbial strains of biological fermentation agent at a ratio of 0.1% to promote the fermentation process and inhibit harmful bacteria; (2) Adjusting moisture content: Adjust the moisture content of the mixture to 40%-60%; (3) Composting fermentation: The mixture is piled into strips or heaps, covered with plastic sheeting for fermentation. During the fermentation process, the temperature can rise to 60-70℃, which can effectively kill pathogens and insect eggs. (4) Turning management: During the fermentation period, the pile needs to be turned 1-2 times regularly to ensure that the material ferments evenly and removes odors; (5) Determination of fermentation: When the material temperature drops to the ambient temperature and it is loose and odorless, fermentation is complete.
[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention pre-treats organic waste through composting, softening and decomposing it to form humus suitable for feeding on white-spotted flower beetle larvae. The larvae are then mixed with the prepared humus, and their excrement becomes insect-sand organic fertilizer. Furthermore, extracts from functional plants are applied to the soil along with the insect-sand organic fertilizer. These plants then sterilize and kill pests and diseases in the soil. A specific amount of specialized additives is added according to the soil's needs, resulting in a high-quality and safe organic bio-fertilizer. This invention not only solves the pollution problem caused by organic waste but also yields a more valuable organic bio-fertilizer. Attached Figure Description
[0013] Figure 1 This is a structural block diagram of the present invention; Figure 2 This is a schematic diagram of the structure of a device for dissolving functional plant extracts or additives; Figure 3 yes Figure 2 A schematic diagram of the side structure; In the diagram above: 1. Dry powder silo; 2. Mixing and stirring silo; 3. Mixer; 4. Dry powder conveyor motor; 5. Screw conveyor; 6. Solenoid valve; 7. Inlet water float flow meter; 8. Water pressure gauge; 9. Outlet; 10. Liquid level gauge; 11. Inlet water pipe; 12. Electrical control box. Detailed Implementation
[0014] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0015] Example 1, referring to Figures 1-3 The present invention provides a method for preparing insect-sand bio-organic fertilizer, comprising the following steps: I. Raw material preparation: Prepare rotten straw and livestock and poultry manure organic waste. These raw materials need to be pre-treated by composting to soften and decompose them into humus suitable for the larvae of white-spotted flower beetles to feed on. II. Larval Rearing: Mix the larvae of the white-spotted flower beetle with the prepared humus. The larvae will continuously digest and excrete during the feeding process. Maintain a suitable temperature and humidity in the rearing environment to promote larval growth and continuous production of feces. 3. Collection of insect sand: The excrement of the larvae of the white-spotted flower beetle is insect sand, which is black, long oval-shaped granules. After drying, it has no odor and is rich in humus and organic matter. When the insect sand accumulates to a certain amount, it is collected. IV. Insect Sand Treatment: The collected insect sand is mixed with functional plant extracts and additives to obtain insect sand bio-organic fertilizer.
[0016] The amount of the above-mentioned functional plant extract added shall not exceed 1% of the total amount of insect sand. The functional plants include: Stemona japonica, pine needles, Sophora flavescens, and Melia toosendan, in a weight ratio of 1:1:1:1, which play a role in killing pests in the insect sand.
[0017] Additives may include microorganisms or selenium, but the total amount shall not exceed 10%.
[0018] In step four, the insect sand is mixed with some incompletely decomposed organic materials, such as straw and livestock manure, for secondary composting and fermentation. This process can further decompose the large molecular organic matter in the insect sand, making it easier for plants to absorb, while killing any pathogens and weed seeds that may be present, thus improving safety.
[0019] Reference Figure 2 and Figure 3 The functional plant extracts or additives mentioned in this invention are dissolved using a dedicated dissolving device, which includes a dry powder silo 1, a mixing chamber 2, a mixer 3, a dry powder conveying motor 4, a screw conveyor 5, a solenoid valve 6, a water inlet float flow meter 7, a water pressure gauge 8, a medicine outlet 9, a level gauge 10, a water inlet pipe 11, and an electrical control box 12. The dry powder silo 1 is installed on the top of the mixing chamber 2, and the dry powder conveying motor 4 and the screw conveyor 5 are installed on one side of the dry powder silo 1. The water inlet pipe 11 is connected to one side of the mixing chamber 2. One or more mixers 3 and electrical control boxes 12 are also installed on the mixing chamber 2. The medicine outlet 9 is provided on the lower side of the mixing chamber 2.
[0020] A solenoid valve 6, an inlet float flow meter 7, and a water pressure gauge 8 are installed on the aforementioned water inlet pipe 11, and a level gauge 10 is installed on the mixing chamber 2.
[0021] In use, the functional plant extracts or additives are melted and fed into the dry powder silo 1 via the dry powder conveyor motor 4 and screw conveyor 5. Then, clean water is fed into the mixing chamber 2 via the water inlet pipe 11, water pressure gauge 8, solenoid valve 6, and water inlet float flow meter 7. Then, one or more mixers 3 are turned on by the control box 12 to stir and make it dissolve quickly. Then, it is applied to the soil together with insect sand organic fertilizer.
[0022] Example 2, a method for preparing insect-sand bio-organic fertilizer mentioned in this invention, includes the following process: I. Raw material preparation: Prepare rotten straw and livestock and poultry manure organic waste. These raw materials need to be pre-treated by composting to soften and decompose them into humus suitable for the larvae of white-spotted flower beetles to feed on. II. Larval Rearing: Mix the larvae of the white-spotted flower beetle with the prepared humus. The larvae will continuously digest and excrete during the feeding process. Maintain a suitable temperature and humidity in the rearing environment to promote larval growth and continuous production of feces. 3. Collection of insect sand: The excrement of the larvae of the white-spotted flower beetle is insect sand, which is black, long oval-shaped granules. After drying, it has no odor and is rich in humus and organic matter. When the insect sand accumulates to a certain amount, it is collected. IV. Insect Sand Treatment: The collected insect sand is mixed with functional plant extracts and additives to obtain insect sand bio-organic fertilizer, which is applied to the soil to improve soil fertility. In addition, the functional plant extracts kill pests and diseases in the soil, while the additives increase microorganisms or enrich selenium in the soil.
[0023] The difference from Example 1 is: In step one, the organic matter content and nutrient composition of the insect sand are affected by adjusting the proportion of straw and livestock manure in the feed for white-spotted flower beetle larvae.
[0024] Specifically, increasing the proportion of straw increases the fiber content of insect excrement, while increasing the proportion of livestock and poultry manure increases the nitrogen and phosphorus content.
[0025] The additives are selected from one or more of nitrogen, phosphorus, and potassium, with a total amount not exceeding 10%.
[0026] Example 3, a method for preparing insect-sand bio-organic fertilizer mentioned in this invention, includes the following process: I. Raw material preparation: Prepare rotten straw and livestock and poultry manure organic waste. These raw materials need to be pre-treated by composting to soften and decompose them into humus suitable for the larvae of white-spotted flower beetles to feed on. II. Larval Rearing: Mix the larvae of the white-spotted flower beetle with the prepared humus. The larvae will continuously digest and excrete during the feeding process. Maintain a suitable temperature and humidity in the rearing environment to promote larval growth and continuous production of feces. 3. Collection of insect sand: The excrement of the larvae of the white-spotted flower beetle is insect sand, which is black, long oval-shaped granules. After drying, it has no odor and is rich in humus and organic matter. When the insect sand accumulates to a certain amount, it is collected. IV. Insect Sand Treatment: The collected insect sand is mixed with functional plant extracts and additives to obtain insect sand bio-organic fertilizer.
[0027] The difference from Example 2 is: The following specific steps are added during the secondary composting fermentation process: (1) Adding microbial strains: Add EM bacteria and beneficial microbial strains of biological fermentation agent at a ratio of 0.1% to promote the fermentation process and inhibit harmful bacteria; (2) Adjusting moisture content: Adjust the moisture content of the mixture to 40%-60%; (3) Composting fermentation: The mixture is piled into strips or heaps, covered with plastic sheeting for fermentation. During the fermentation process, the temperature can rise to 60-70℃, which can effectively kill pathogens and insect eggs. (4) Turning management: During the fermentation period, the pile needs to be turned 1-2 times regularly to ensure that the material ferments evenly and removes odors; (5) Determination of fermentation: When the material temperature drops to the ambient temperature and it is loose and odorless, fermentation is complete.
[0028] The above description is merely a partial preferred embodiment of the present invention. Any person skilled in the art can modify the above-described technical solutions or modify them into equivalent technical solutions. Therefore, any simple modifications or equivalent transformations made based on the technical solutions of the present invention fall within the scope of protection claimed by the present invention.
Claims
1. A method for preparing insect-sand bio-organic fertilizer, characterized in that: Includes the following processes: I. Raw material preparation: Prepare rotten straw and livestock and poultry manure organic waste. These raw materials need to be pre-treated by composting to soften and decompose them into humus suitable for the larvae of white-spotted flower beetles to feed on. II. Larval Rearing: Mix the larvae of the white-spotted flower beetle with the prepared humus. The larvae will continuously digest and excrete during the feeding process. Maintain a suitable temperature and humidity in the rearing environment to promote larval growth and continuous production of feces.
3. Collection of insect sand: The excrement of the larvae of the white-spotted flower beetle is insect sand, which is black, long oval-shaped granules. After drying, it has no odor and is rich in humus and organic matter. When the insect sand accumulates to a certain amount, it is collected. IV. Insect Sand Treatment: The collected insect sand is mixed with functional plant extracts and additives to obtain insect sand bio-organic fertilizer.
2. The method for preparing insect-sand bio-organic fertilizer according to claim 1, characterized in that: The amount of the functional plant extract added shall not exceed 1% of the total amount of insect sand. The functional plants include: Stemona japonica, pine needles, Sophora flavescens, and Melia toosendan, in a weight ratio of 1:1:1:1, which play a role in killing pests in the insect sand.
3. The method for preparing insect-sand bio-organic fertilizer according to claim 2, characterized in that: The functional plant extract or additive is processed by a dissolving machine, which includes a dry powder silo (1), a mixing chamber (2), a mixer (3), a dry powder conveying motor (4), a screw conveyor (5), an air vent (8), a drug outlet (9), a water inlet pipe (11), and an electrical control box (12). The dry powder silo (1) is installed on the top of the mixing chamber (2), and the dry powder conveying motor (4) and the screw conveyor (5) are installed on one side of the dry powder silo (1). The water inlet pipe (11) is connected to one side of the mixing chamber (2). More than one set of mixers (3) and electrical control boxes (12) are also installed on the mixing chamber (2). The drug outlet (9) is provided on the lower side of the mixing chamber (2).
4. The method for preparing insect-sand bio-organic fertilizer according to claim 3, characterized in that: A solenoid valve (6), an inlet float flow meter (7), and a water pressure gauge (8) are installed on the inlet pipe (11), and a level gauge (10) is installed on the mixing chamber (2).
5. The method for preparing insect-sand bio-organic fertilizer according to claim 2, characterized in that: In step one, the organic matter content and nutrient composition of the insect sand are affected by adjusting the proportion of straw and livestock manure in the feed for white-spotted flower beetle larvae.
6. The method for preparing insect-sand bio-organic fertilizer according to claim 5, characterized in that: Increasing the proportion of straw can improve the fiber content of insect excrement, while increasing the proportion of livestock and poultry manure can increase the levels of nitrogen and phosphorus.
7. The method for preparing insect-sand bio-organic fertilizer according to claim 1, characterized in that: In step four, the insect sand is mixed with some incompletely decomposed organic materials, such as straw and livestock manure, for secondary composting and fermentation. This process can further decompose the large molecular organic matter in the insect sand, making it easier for plants to absorb, while killing any possible pathogens and weed seeds, thus improving safety.
8. The method for preparing insect-sand bio-organic fertilizer according to claim 7, characterized in that: The following specific steps are added during the secondary composting fermentation process: (1) Adding microbial strains: Add EM bacteria and beneficial microbial strains of biological fermentation agent at a ratio of 0.1% to promote the fermentation process and inhibit harmful bacteria; (2) Adjusting moisture content: Adjust the moisture content of the mixture to 40%-60%; (3) Composting fermentation: The mixture is piled into strips or heaps, covered with plastic sheeting for fermentation. During the fermentation process, the temperature can rise to 60-70℃, which can effectively kill pathogens and insect eggs. (4) Turning management: During the fermentation period, the pile needs to be turned 1-2 times regularly to ensure that the material ferments evenly and removes odors; (5) Determination of fermentation: When the material temperature drops to the ambient temperature and it is loose and odorless, fermentation is complete.