CN112690252A - System and method for treating sterile kitchen waste and feeding hermetia illucens in cooperation - Google Patents
System and method for treating sterile kitchen waste and feeding hermetia illucens in cooperation Download PDFInfo
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- CN112690252A CN112690252A CN202110014227.1A CN202110014227A CN112690252A CN 112690252 A CN112690252 A CN 112690252A CN 202110014227 A CN202110014227 A CN 202110014227A CN 112690252 A CN112690252 A CN 112690252A
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Images
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The invention relates to the field of insect feeding, in particular to a system and a method for feeding hermetia illucens by cooperation of sterile kitchen waste treatment. The system comprises: the device comprises a sorting and filter-pressing integrated machine, a three-phase separator, a storage box, a mixing box, a distribution groove, an ultraviolet sterilizing box, a feed enzyme preparation spraying box and a black soldier fly breeding device; the sorting and filter-pressing integrated machine, the three-phase separator, the storage box, the mixing box, the distributing groove, the ultraviolet killing box, the feed enzyme preparation spraying box and the black soldier fly breeding equipment are sequentially connected; the mixing box comprises a storage chamber, an auxiliary material chamber, a stirring chamber and a stirrer; the recycling treatment can be carried out on the kitchen/kitchen waste, the hermetia illucens can be fed by using the product in the kitchen/kitchen waste, the quality of the hermetia illucens can be greatly improved, the economic value of the product is increased, the hermetia illucens fed by the waste fine residues after disinfection can obtain higher protein content and better amino acid ratio, and the harm of diseases and insect pests and infectious diseases is avoided.
Description
Technical Field
The invention relates to the field of insect feeding, in particular to a system and a method for feeding hermetia illucens by cooperation of sterile kitchen waste treatment.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
With the improvement of the living standard of China and the comprehensive implementation of garbage classification in recent years, the generation amount of kitchen/kitchen garbage is rapidly increased, and a series of environmental safety problems brought by the kitchen/kitchen garbage are increasingly highlighted. The kitchen/kitchen waste is rich in organic substances, starch, cellulose, protein, grease, a large amount of various trace elements such as potassium, nitrogen, phosphorus and the like, is a substance resource and an energy source with certain value, and under the current situations of serious environmental pollution and shortage of energy resources, the harmless, quantitative reduction and resource treatment of the kitchen/kitchen waste is increasingly important by adopting an economic, efficient and environment-friendly mode.
At present, composting and feed conversion are two main ways in the treatment process of kitchen/kitchen waste, for example, a method for producing organic fertilizer by kitchen waste is provided in the prior art, and organic feed taking kitchen waste as a raw material and a preparation method thereof are also provided. Among various resource utilization technologies, the insect treatment of kitchen/kitchen waste is gradually a new way for kitchen/kitchen waste treatment due to high economic value and good waste reduction. Among the destructive insects, the hermetia illucens has the biological characteristics of wide food range, large food intake, easy feeding and high benefits, the kitchen waste is recycled by taking food waste from the hermetia illucens larvae and converting the food waste into protein, and the hermetia illucens is expected to become a biological species with the greatest industrialized prospect in the field of future kitchen waste disposal. However, the inventor finds that the kitchen/kitchen waste which is not deeply treated affects the quality of raising the hermetia illucens due to factors such as high water content, breeding of pathogen microorganisms and poor palatability, so that the economic utilization value of the hermetia illucens is restricted, and the industrial application of the hermetia illucens in treatment of the kitchen/kitchen waste is limited.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a system and a method for feeding hermetia illucens by combining sterile kitchen waste treatment, surface sterilization and feed enzyme preparation addition, so that the kitchen/kitchen waste can be recycled, the hermetia illucens are fed by using products in the kitchen/kitchen waste, the quality of the hermetia illucens can be greatly improved, the economic value of products is increased, the hermetia illucens fed by using the sterilized waste fine residues can obtain higher protein content and better amino acid ratio, and the diseases and insect pests and infectious diseases are avoided.
In order to achieve the above object, a first aspect of the present invention provides a system for treating sterilized kitchen waste and feeding hermetia illucens in cooperation, including: the device comprises a sorting and filter-pressing integrated machine, a three-phase separator, a storage box, a mixing box, a distribution groove, an ultraviolet sterilizing box, a feed enzyme preparation spraying box and a black soldier fly breeding device;
the sorting and filter-pressing integrated machine, the three-phase separator, the storage box, the mixing box, the distributing groove, the ultraviolet killing box, the feed enzyme preparation spraying box and the black soldier fly breeding equipment are sequentially connected;
the mixing box comprises a storage chamber, an auxiliary material chamber, a stirring chamber and a stirrer;
the invention provides a method for feeding hermetia illucens in cooperation with sterile kitchen waste treatment, which is carried out by adopting the system for feeding hermetia illucens in cooperation with sterile kitchen waste treatment, and comprises the following specific steps of:
(1) pretreating kitchen waste; the collected kitchen/kitchen garbage is automatically screened in two stages to separate solid impurities, (organic) solid-liquid matters and flexible solid matters, the solid-liquid matters are separated in three phases to realize the separation of solid, liquid and oil, and the obtained organic solid matters (fine slag) enter a storage box for storage.
(2) Dehydrating the fine slag; and extracting the organic solid matters in the storage box into a mixing box, mixing the organic solid matters with the composite auxiliary materials in the mixing box, and conveying the organic solid residues formed after uniform stirring to a distribution groove.
(3) Ultraviolet sterilization; the distributing chute and the organic solid slag are sent into an ultraviolet lamp box for disinfection and sterilization;
(4) adding feed enzyme preparation; and conveying the organic solid residues subjected to ultraviolet sterilization to a feed enzyme preparation spraying box, so that the feed enzyme preparation is sprayed on the surface of the organic solid residues in the distributing groove.
(5) Feeding hermetia illucens; and (4) feeding the organic solid residues added with the feed enzyme preparation to black soldier fly breeding equipment to breed black soldier fly larvae.
One or more embodiments of the present invention have at least the following advantageous effects:
the method takes perishable organic matters such as kitchen/kitchen garbage and the like as raw materials, and carries out aseptic treatment to obtain the feed of hermetia illucens, so that the nutritional components and substance resources in the kitchen/kitchen garbage can be effectively utilized; by adding the composite auxiliary materials, the ultraviolet disinfection and the feed enzyme preparation, the nutrition ingredients and palatability of the organic solid residues are enhanced while the breeding of pathogens and the emission of malodorous gases are inhibited, the digestion and utilization of the black soldier fly larvae on the organic solid residues are promoted, the waste is really turned into wealth, the front-end kitchen/kitchen garbage treatment is promoted in a way of promoting the rear-end economic benefit, the environmental pollution is reduced, and the feed enzyme preparation has wide application prospect in the future
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of the system for treating sterilized kitchen waste and feeding hermetia illucens in cooperation with the sterile kitchen waste treatment provided in example 1;
wherein, 1, a sorting and filter pressing integrated machine; 2. a screw pump; 3. a three-phase separator; 4. an organic solid slag feed pump; 5. a material storage box; 6. a feed pump; 7. a mixing box; 8. a storage chamber; 9. an auxiliary material chamber; 10. a stirring chamber; 11. a stirrer; 12. a motor; 13. a screw pump; 14. a distributing chute; 15. a conveying crawler; 16. an ultraviolet sterilizing box; 17. a height-fixed baffle plate; 18. an ultraviolet lamp; 19. a feed enzyme preparation spraying box; 20. rotating the spray head; 21. black soldier fly breeding equipment.
Fig. 2 is a comparison graph of ingredients of hermetia illucens larvae obtained by the method of treating sterilized kitchen waste in cooperation with feeding hermetia illucens provided in example 2.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As introduced in the background art, in the prior art, the kitchen/kitchen waste which is not deeply treated often affects the quality of raising hermetia illucens due to factors such as high water content, breeding of pathogenic microorganisms, poor palatability and the like, so that the economic utilization value of hermetia illucens is restricted, and the industrial application of hermetia illucens in treatment of kitchen/kitchen waste is limited. The device comprises a sorting and filter-pressing integrated machine, a three-phase separator, a storage box, a mixing box, a distribution groove, an ultraviolet sterilizing box, a feed enzyme preparation spraying box and a black soldier fly breeding device;
the sorting and filter-pressing integrated machine, the three-phase separator, the storage box, the mixing box, the distributing groove, the ultraviolet killing box, the feed enzyme preparation spraying box and the black soldier fly breeding equipment are sequentially connected;
the mixing box comprises a storage chamber, an auxiliary material chamber, a stirring chamber and a stirrer;
in one or more embodiments of the invention, the sorting and filter-pressing integrated machine is connected with the three-phase separator through a screw pump, after the kitchen waste is treated by the sorting and filter-pressing integrated machine, solid impurities, (organic) solid-liquid matters and flexible solid matters can be separated, and the obtained (organic) solid-liquid matters can be sent into the three-phase separator through the screw pump to realize the separation of solid, liquid and oil;
in one or more embodiments of the invention, the three-phase separator is connected to the storage tank through an organic solid residue feeding pump, and organic solid residues (fine residues) obtained after separation by the three-phase separator enter the storage tank for storage.
In one or more embodiments of the invention, the storage tank is connected with the mixing tank through the feeding pump, and the organic solid in the storage tank enters the mixing tank for mixing through the conveying of the feeding pump;
in one or more embodiments of the invention, in the mixing box, the stirring chamber is located below the storage chamber and the auxiliary material chamber, a gap is arranged between the storage chamber and the auxiliary material chamber, and the stirrer is accommodated through the gap; the bottom of the mixing box is provided with a 10-15 degree inclined bottom plate.
In one or more embodiments of the invention, a conical slag outlet is arranged below the stirring chamber, and the slag outlet is connected with the distribution trough through a screw pump;
in one or more embodiments of the invention, a motor is arranged at the top of the mixing box, and the stirrer and the screw pump are respectively driven to operate by the motor;
wherein, organic solid is deposited in the storage room, and compound auxiliary material is stored in the auxiliary material room, and the agitator is at the drive work of motor, stirs the indoor material of emitting of storage room and auxiliary material, and the organic solid sediment of stirring flows from the slag notch, carries on the distributing chute through the screw pump under the drive of motor.
In one or more embodiments of the invention, the distributing trough, the ultraviolet sterilizing box and the feed enzyme preparation spraying box are sequentially arranged on the conveying track;
in one or more embodiments of the invention, a height-fixed baffle is arranged at the inlet of the ultraviolet sterilizing box, and the height of the height-fixed baffle and the height of the crawler belt are 0.1 m; the height-fixed baffle is used for limiting the height of the material layer and enhancing the ultraviolet disinfection effect.
In one or more embodiments of the invention, a rotary spray head is arranged in the feed enzyme preparation adding box;
in one or more embodiments of the invention, the inside of the ultraviolet sterilizing box is a darkroom, and 6 ultraviolet lamps are arranged on the top of the ultraviolet sterilizing box.
Leveling the material height in the distributing chute through a height-fixing baffle, enabling the distributing chute and the organic solid residues to enter an ultraviolet sterilizing box along with a conveying crawler for surface sterilization, conveying the sterilized organic solid residues into a feed enzyme preparation adding box, spraying the feed enzyme preparation to the surface of the organic solid residues in the distributing chute through a rotary spray head arranged in the feed enzyme preparation adding box, and continuously conveying the treated organic solid residues to black soldier fly breeding equipment to realize feeding of black soldier flies.
The invention provides a method for feeding hermetia illucens in cooperation with sterile kitchen waste treatment, which is carried out by adopting the system for feeding hermetia illucens in cooperation with sterile kitchen waste treatment, and comprises the following specific steps of:
(1) pretreating kitchen waste; the collected kitchen/kitchen garbage is automatically screened in two stages to separate solid impurities, (organic) solid-liquid matters and flexible solid matters, the solid-liquid matters are separated in three phases to realize the separation of solid, liquid and oil, and the obtained organic solid matters (fine slag) enter a storage box for storage.
(2) Dehydrating the fine slag; and extracting the organic solid matters in the storage box into a mixing box, mixing the organic solid matters with the composite auxiliary materials in the mixing box, and conveying the organic solid residues formed after uniform stirring to a distribution groove.
(3) Ultraviolet sterilization; the distributing chute and the organic solid slag are sent into an ultraviolet lamp box for disinfection and sterilization;
(4) adding feed enzyme preparation; and conveying the organic solid residues subjected to ultraviolet sterilization to a feed enzyme preparation spraying box, so that the feed enzyme preparation is sprayed on the surface of the organic solid residues in the distributing groove.
(5) Feeding hermetia illucens; and (4) feeding the organic solid residues added with the feed enzyme preparation to black soldier fly breeding equipment to breed black soldier fly larvae.
At present, a lot of reports on transformation of organic wastes such as kitchen waste by hermetia illucens show that the hermetia illucens have advantages in transforming energy substances in organic matters, but waste raw materials with unstable quality often cause quality fluctuation of hermetia illucens commodities to influence the price of hermetia illucens, so that the quality of the hermetia illucens commodities is guaranteed by adding auxiliary materials; the conversion rate of the hermetia illucens larvae on fiber and carbohydrate energy substances is low, and NH is easily generated in the feeding process3And the like, and therefore, the generation of malodorous gases is avoided by adding an enzyme preparation to help decompose sugars and fiber substances and inhibit the escape of N. In addition, the resistance research of the hermetia illucens to pathogens is not complete, and due to the characteristics of wide sources, easiness in degradation and the like, a plurality of pathogens are bred, and the uncertainty of commodity health is inevitably caused by directly feeding the hermetia illucens, so that the resistance of the hermetia illucens to the pathogens can be further improved through ultraviolet sterilization treatment and the good antibacterial property of the hermetia illucens, and the product quality of the hermetia illucens is improved.
In one or more embodiments of the invention, in the step (2), the proportion of the composite auxiliary material is adjusted according to the moisture content of the fine slag, and the mass addition ratio of the moisture content of the fine slag to the composite auxiliary material is 13: 3.
In one or more embodiments of the present invention, the composite auxiliary material includes: two or more of distiller's grains, bean cake, hull bran, rapeseed cake, wheat bran, and EM bacteria;
preferably, the composite auxiliary material is a mixture of vinasse, bean pulp, husk and EM (effective microorganisms), and the mass ratio of the vinasse to the bean pulp to the husk to the EM is as follows: 40:40:20:7.
In one or more embodiments of the invention, in the step (3), the retention time of the organic solid residues in the ultraviolet disinfection box is 2-3 min.
In one or more embodiments of the invention, in the step (4), the feed enzyme preparation is one or a mixture of two of xylanase and cellulase;
preferably, the addition amount of the feed enzyme preparation is determined according to the mass of the organic solid residues, and the specific ratio relation of the organic solid residues to the feed enzyme preparation is 1 g: 15-23U.
In order to make the technical solution of the present invention more clearly understood by those skilled in the art, the technical solution of the present invention will be described in detail below with reference to specific examples and comparative examples.
Example 1
This embodiment provides a system that aseptic kitchen garbage handles heisui river horsefly and raises in coordination, specifically includes:
the device comprises a sorting and filter-pressing integrated machine 1, a three-phase separator 3, a storage box 5, a mixing box 7, a distribution groove 14, an ultraviolet killing box 18, a feed enzyme preparation spraying box 19 and a black soldier fly breeding device 21;
the kitchen waste separation and filter pressing integrated machine 1 is connected with the three-phase separator 3 through a screw pump 2, solid impurities, (organic) solid-liquid matters and flexible solid matters are separated from the kitchen waste through the separation and filter pressing integrated machine 1, and the obtained (organic) solid-liquid matters are sent into the three-phase separator 3 through the screw pump 2 to realize the separation of solid, liquid and oil;
the three-phase separator 3 is connected with a storage tank 5 through an organic solid slag feed pump 4, and organic solid matters (fine slag) obtained after separation by the three-phase separator 3 enter the storage tank 5 for storage.
The material storage box 5 is connected with the mixing box 7 through the feeding pump 6, and organic solid matters in the material storage box 5 enter the mixing box 7 to be mixed through the conveying of the feeding pump 6; wherein, mixing box 7 includes storage compartment 8, auxiliary material room 9, teeter chamber 10 and agitator 11, organic solid matter deposits in storage compartment 8, stores compound auxiliary material in the auxiliary material room 9, and agitator 11 stirs the material of discharging in storage compartment 8 and the auxiliary material room 9 at the drive work of motor 12, and the solid sediment of organic of stirring sets up the toper slag notch from teeter chamber 10 below and flows, carries on cloth groove 14 through the screw pump under motor 12's drive.
The distributing chute 14, the ultraviolet sterilizing box 16 and the feed enzyme preparation spraying box 19 are sequentially arranged on the conveying crawler 15; the inlet of the ultraviolet sterilization box 16 is provided with a height-fixing baffle 17, the height of the height-fixing baffle 17 and the crawler 15 is 0.1m, the material height in the distribution groove 14 is leveled through the height-fixing baffle 17, the distribution groove 14 and the organic solid residues enter the ultraviolet sterilization box 16 along with the conveying crawler for surface sterilization, the sterilized organic solid residues are conveyed into a feed enzyme preparation adding box 19, a rotary spray head 20 is installed in the feed enzyme preparation adding box 19 to spray the feed enzyme preparation to the surface of the organic solid residues in the distribution groove, and the treated organic solid residues are continuously conveyed to a black soldier fly breeding device 21 to realize feeding of black soldier flies.
Example 2
A method for treating sterilized kitchen waste and feeding hermetia illucens in a synergic manner comprises the following steps:
(1) the collected kitchen/kitchen garbage is sent into a sorting and filter-pressing integrated machine 1, and solid impurities, (organic) solid-liquid matters and flexible solid matters are separated. The obtained (organic) solid-liquid matter is sent into a three-phase separator 3 through a screw pump 2 to realize the separation of solid, liquid and oil, and the organic solid matter (fine slag) enters a storage tank 5 through a feed pump 4 to be stored.
(2) Organic solid matters (fine slag) in the storage box 5 enter the mixing box 7 through the feeding pump 6 and are stored in the storage chamber 8, composite auxiliary materials are stored in the auxiliary material chamber 9, the water content of the organic solid matters (fine slag) in the storage chamber 8 is 75%, the mass of the composite auxiliary materials adopted in the auxiliary material chamber 9 is 25% of the mass of the organic solid matters (fine slag) in the storage chamber 8, and the composite auxiliary materials comprise 40% of vinasse, 40% of bean pulp and 20% of shell bran. EM bacteria 7% is added. The stirrer 11 is driven by a motor 12 to stir so that the organic solid matters are uniformly mixed with the composite auxiliary materials, and the uniformly stirred organic solid slag flows out from a conical slag outlet arranged below the stirring chamber 10 and is conveyed to a distributing trough 14 by a screw pump 13.
(3) The distributing chute 14 conveys the organic solid residues to the ultraviolet sterilizing box 16 under the action of the conveying crawler 15, and the distributing chute 14 enters the ultraviolet sterilizing box 16 along with the conveying crawler 15 for surface sterilization with the retention time of 2 min.
(4) The distributing chute 14 is transferred into a feed enzyme preparation adding box 19 after being sterilized by an ultraviolet sterilizing box 16, and the feed enzyme preparation is uniformly sprayed on the surface of the organic solid slag in the distributing chute 14 through a rotating nozzle 20.
(5) And (5) conveying the organic solid residues treated in the step (4) to black soldier fly breeding equipment 21, and breeding black soldier fly larvae.
The results show that the feed prepared by the method of the invention has the crude protein content increased by about 17%, the crude fat content increased by about 15%, the amino acid content increased by about 14%, and the ash content decreased by 10%, and the specific data are shown in fig. 2.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a system that aseptic kitchen garbage handles heisui river horsefly and raises in coordination which characterized in that: the method comprises the following steps: the device comprises a sorting and filter-pressing integrated machine, a three-phase separator, a storage box, a mixing box, a distribution groove, an ultraviolet sterilizing box, a feed enzyme preparation spraying box and a black soldier fly breeding device;
the sorting and filter-pressing integrated machine, the three-phase separator, the storage box, the mixing box, the distributing groove, the ultraviolet killing box, the feed enzyme preparation spraying box and the black soldier fly breeding equipment are sequentially connected;
the mixing box comprises a storage chamber, an auxiliary material chamber, a stirring chamber and a stirrer.
2. The system of claim 1, wherein: the sorting and filter pressing integrated machine is connected with the three-phase separator through a screw pump; the three-phase separator is connected with a material storage box through an organic solid slag feeding pump, and the material storage box is connected with the mixing box through a feeding pump.
3. The system of claim 1, wherein: in the mixing box, the stirring chamber is positioned below the storage chamber and the auxiliary material chamber, a gap is formed between the storage chamber and the auxiliary material chamber, and the stirrer is accommodated through the gap; the bottom of the mixing box is provided with a 10-15-degree inclined bottom plate;
a conical slag outlet is arranged below the stirring chamber and is connected with the distributing trough through a screw pump;
the top of the mixing box is provided with a motor, and the motor drives the stirrer and the screw pump to operate respectively.
4. The system of claim 1, wherein: the distributing groove, the ultraviolet sterilizing box and the feed enzyme preparation spraying box are sequentially arranged on the conveying track.
5. The system of claim 4, wherein: a darkroom is arranged in the ultraviolet sterilizing box, and 6 ultraviolet lamps are arranged at the top of the ultraviolet sterilizing box;
the inlet of the ultraviolet sterilizing box is provided with a height-fixing baffle, and the height of the height-fixing baffle and the height of the crawler belt are 0.1 m.
6. The system of claim 4, wherein: a rotary spray head is arranged in the feed enzyme preparation adding box.
7. A method for treating sterilized kitchen waste and feeding hermetia illucens in cooperation is characterized by comprising the following steps: the method is carried out by adopting the system of any one of claims 1 to 6, and comprises the following specific steps:
(1) pretreating kitchen waste; firstly, carrying out two-stage automatic screening on collected kitchen/kitchen waste to separate solid impurities, organic solid-liquid matters and flexible solid matters, then carrying out three-phase separation on the solid-liquid matters to realize solid-liquid-oil separation, and putting the obtained organic solid matters into a storage box for storage;
(2) dehydrating the fine slag; extracting the organic solid matters in the storage box into a mixing box, mixing the organic solid matters with the composite auxiliary materials in the mixing box, and conveying the organic solid residues formed after uniform stirring to a distribution groove;
(3) ultraviolet sterilization; the distributing chute and the organic solid slag are sent into an ultraviolet lamp box for disinfection and sterilization;
(4) adding feed enzyme preparation; conveying the organic solid residues subjected to ultraviolet sterilization to a feed enzyme preparation spraying box, and spraying the feed enzyme preparation to the surface of the organic solid residues in the distributing groove;
(5) feeding hermetia illucens; and (4) feeding the organic solid residues added with the feed enzyme preparation to black soldier fly breeding equipment to breed black soldier fly larvae.
8. The method of claim 7, wherein: in the step (2), the proportion of the composite auxiliary materials is adjusted according to the moisture content of the fine slag, and the mass addition ratio of the moisture content of the fine slag to the composite auxiliary materials is 13: 3;
the composite auxiliary materials comprise: two or more of distiller's grains, bean cake, hull bran, rapeseed cake, wheat bran, and EM bacteria;
preferably, the composite auxiliary material is a mixture of vinasse, bean pulp, husk and EM (effective microorganisms), and the mass ratio of the vinasse to the bean pulp to the husk to the EM is as follows: 40:40:20:7.
9. The method of claim 7, wherein: in the step (3), the retention time of the organic solid residues in the ultraviolet sterilizing box is 2-3 min.
10. The method of claim 7, wherein: in the step (4), the feed enzyme preparation is one or a mixture of two of xylanase and cellulase;
the addition amount of the feed enzyme preparation is determined according to the mass of the organic solid residues, and the specific ratio relation of the organic solid residues to the feed enzyme preparation is 1 g: 15-23U.
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