Hermetia illucens air screen cleaning machine
By adding a blower and a dust collection bag to the vibrating screen, the problem of light impurities clogging the screen was solved, achieving efficient and continuous black soldier fly cleaning and ensuring the durability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG GUANGJIN AGRI ENVIRONMENTAL PROTECTION TECH CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-05-12
AI Technical Summary
In the current black soldier fly cleaning process, light impurities such as dust, sand, and leaves easily clog the screen, affecting the continuity and efficiency of the cleaning process.
By adding a blower, dust collection bag, and suction pipe to the vibrating screen, a simple dust collection structure is formed, which uses negative pressure to suck away light impurities and achieve preliminary purification of the material.
This reduces dust pollution during the cleaning process, avoids the impact of light impurities on subsequent vibrating screen cleaning, and improves screening efficiency and equipment lifespan.
Smart Images

Figure CN224221972U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of black soldier fly treatment technology, and in particular to a black soldier fly air-screen cleaning machine. Background Technology
[0002] Black soldier flies are an important resource insect, and their breeding involves many technical steps. During harvesting, the black soldier flies need to be cleaned, separating them from their excrement and leftover feed to ensure high-purity black soldier flies. Currently, the commonly used cleaning method involves screening with a vibrating screen. The screen can separate the black soldier flies from the excrement. However, because the excrement often contains light impurities such as dust, sand, and leaves, these impurities can easily clog the screen during screening, thus affecting the continuity and efficiency of the black soldier fly cleaning process. Utility Model Content
[0003] Therefore, it is necessary to provide a black soldier fly larvae air screening and cleaning machine.
[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A black soldier fly air screen cleaning machine includes a vibrating screen and a feeding hopper. The vibrating screen is electrically connected to an external power source. A feeding hopper is installed on the side wall of the feeding end of the vibrating screen. External black soldier flies and manure enter the vibrating screen through the feeding hopper.
[0005] The feeding hopper includes a hopper body, a conveying inclined pipe, a blower, a dust collection bag, and a suction pipe. The hopper body is installed on the side wall of the vibrating screen. The discharge end of the lower part of the hopper body is equipped with a conveying inclined pipe, which is connected to the vibrating screen. The upper end of the conveying inclined pipe is inserted into and installed with a suction pipe, and the other end of the suction pipe is equipped with a dust collection bag. The blower is installed on the side wall of the conveying inclined pipe and is electrically connected to an external power source. The input end of the blower is located on the side wall of the dust collection bag.
[0006] Furthermore, a through groove is provided on the side wall of the bucket body, and a baffle plate is inserted and installed in the through groove. The through groove is inclined. An inclined plate is installed on the side wall of the bucket body, and a bolt is screwed into the top of the inclined plate. The bolt can hold the baffle plate.
[0007] Furthermore, the dust collection bag includes a fixed cylinder, a collection bag, a support ring, and a sealing ring. One end of the fixed cylinder is inserted into the end of the suction pipe. The collection bag is installed inside the fixed cylinder, and the edge of the collection bag is fitted onto the outside of the fixed cylinder. The support ring is placed inside the collection bag and can support the collection bag. The sealing ring is installed on the inner wall of the fixed cylinder and can fit tightly against the outer wall of the exhaust fan input end.
[0008] Furthermore, a wear-resistant liner is installed on the inner wall of the conveying inclined pipe. The wear-resistant liner is fixedly connected to the inner wall of the conveying inclined pipe by countersunk screws, and the end of the countersunk screws is flush with the surface of the wear-resistant liner.
[0009] Furthermore, casters are installed at all four corners of the bottom surface of the vibrating screen.
[0010] Furthermore, the outer wall of the fixing cylinder is provided with an annular groove, and an elastic annular band is sleeved inside the annular groove. The opening of the collection bag is sleeved on the outside of the annular groove, and the elastic annular band can fix the collection bag.
[0011] Furthermore, the wear-resistant liner is made of high-manganese steel.
[0012] Furthermore, the upper end of the conveying inclined tube is provided with an insertion hole, and the suction tube is inserted into the inner cavity of the conveying inclined tube through the insertion hole. A sealing gasket is fitted to the inner side wall of the insertion hole, and the sealing gasket is fitted to the outer wall of the suction tube.
[0013] By adopting the above technical solution, the present invention has at least the following beneficial effects: The present invention, by adding a blower, dust collection bag, and suction pipe to the vibrating screen, forms a simple dust collection structure, enabling it to collect dust or lighter impurities inside the material as it slides on the conveying inclined plate. In practical application, when the mixture of black soldier fly larvae and manure enters the conveying inclined pipe through the hopper, the blower starts to generate negative pressure. The suction pipe draws in light impurities such as dust and leaves mixed in the conveying inclined pipe into the dust collection bag, achieving preliminary purification of the material, reducing dust pollution during the cleaning process, and preventing the light impurities from affecting the subsequent cleaning effect of the vibrating screen. Attached Figure Description
[0014] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of an optional embodiment of the black soldier fly air screen cleaning machine of this utility model;
[0016] Figure 2 This is a schematic cross-sectional view of the feed hopper of an optional embodiment of the black soldier fly air screen cleaning machine of this utility model;
[0017] Figure 3 for Figure 2 A magnified view of a portion at point A;
[0018] Figure 4 This is a cross-sectional schematic diagram of the dust collection bag in an optional embodiment of the black soldier fly air screen cleaning machine of this utility model.
[0019] In the attached diagram: 1. Vibrating screen; 2. Feed hopper; 21. Hopper body; 22. Conveying inclined pipe; 23. Exhaust fan; 24. Dust collection bag; 25. Suction pipe; 3. Through groove; 4. Baffle plate; 5. Inclined plate; 6. Bolt; 7. Wear-resistant liner; 8. Caster wheel; 9. Annular groove; 10. Elastic annular belt; 11. Insertion hole; 12. Sealing gasket; 241. Fixing cylinder; 242. Collection bag; 243. Support ring; 244. Sealing ring. Detailed Implementation
[0020] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments. The present invention is not limited to the specific embodiments described below.
[0021] It should be understood that the same or similar reference numerals in the accompanying drawings of the embodiments correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "front," "rear," "left," "right," "top," and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.
[0022] In one embodiment, such as Figure 1 and Figure 2 As shown, a black soldier fly air screen cleaning machine includes a vibrating screen 1 and a feed hopper 2. The vibrating screen 1 is electrically connected to an external power source. The feed hopper 2 is installed on the side wall of the feed end of the vibrating screen 1. External black soldier flies and manure enter the vibrating screen 1 through the feed hopper 2.
[0023] The feeding hopper 2 includes a hopper body 21, a conveying inclined pipe 22, a blower 23, a dust collection bag 24, and a suction pipe 25. The hopper body 21 is installed on the side wall of the vibrating screen 1. The discharge end of the lower part of the hopper body 2 is equipped with the conveying inclined pipe 22, which is connected to the vibrating screen 1. The upper end of the conveying inclined pipe 22 is inserted into the suction pipe 25, and the other end of the suction pipe 25 is equipped with the dust collection bag 24. The blower 23 is installed on the side wall of the conveying inclined pipe 22 and is electrically connected to an external power source. The input end of the blower 23 is located on the side wall of the dust collection bag 24.
[0024] This embodiment of the invention adds a blower 23, a dust collection bag 24, and a suction pipe 25 to the vibrating screen 1 to form a simple dust collection structure. This structure allows the material to collect dust or lighter impurities as it slides on the conveying inclined plate 22. In practical application, when the mixture of black soldier fly larvae and manure enters the conveying inclined pipe 22 through the hopper 21, the blower 23 starts to generate negative pressure. The suction pipe 25 draws in light impurities such as dust and leaves mixed in the conveying inclined pipe 22 into the dust collection bag 24, achieving preliminary purification of the material, reducing dust pollution during the cleaning process, and preventing light impurities from affecting the subsequent cleaning effect of the vibrating screen 1.
[0025] In practical implementation, the vibrating screen 1 adopts a straight vibrating screen, which is existing technology. Therefore, the specific structure of the vibrating screen 1 will not be described in detail. The vibrating screen uses a vibrating motor as the vibration source to make the material be thrown up on the screen and move forward in a straight line. The material enters the feed inlet of the vibrating screen 1 evenly through the feed hopper 2. Through multiple layers of screens, several specifications of oversize and undersize materials are produced and discharged from their respective outlets. In practical applications, the oversize material is black soldier fly larvae and the undersize material is manure.
[0026] In one embodiment, such as Figures 1-3 As shown, a through groove 3 is provided on the side wall of the hopper 21, and a baffle plate 4 is inserted and installed in the through groove 3. The through groove 4 is inclined. An inclined plate 5 is installed on the side wall of the hopper 21, and a bolt 6 is screwed into the top of the inclined plate 5. The bolt 6 can hold the baffle plate 4. In this embodiment, the baffle plate 4 can be inserted and removed along the inclined through groove 3. By changing the depth of the baffle plate 4 into the hopper 21, the discharge speed of the hopper 21 to the conveying inclined pipe 22 is controlled. After adjustment, the bolt 6 above the inclined plate 5 is tightened, and the bolt 6 holds the baffle plate 4 to fix it, effectively preventing the conveying inclined pipe 22 from being blocked due to excessive feeding speed. In addition, controlling the discharge speed can prevent the material from accumulating, so that the material in the conveying inclined pipe 22 is only a thin layer, which will not block the impurities when the suction pipe 25 sucks in impurities, thus improving the effect of the air screen.
[0027] In one embodiment, such as Figure 4 As shown, the dust collection bag 24 includes a fixed cylinder 241, a collection bag 242, a support ring 243, and a sealing ring 244. One end of the fixed cylinder 241 is inserted into the end of the suction pipe 25. The collection bag 242 is installed inside the fixed cylinder 241, and the edge of the collection bag 242 is fitted onto the outside of the fixed cylinder 241. The support ring 243 is placed inside the collection bag 242 and can support the collection bag 242. The sealing ring 244 is installed on the inner wall of the fixed cylinder 241 and can fit tightly against the outer wall of the input end of the exhaust fan 23. In practical applications, the input end of the exhaust fan 23 is inserted into the fixed cylinder 241, and a sealing ring 244 is provided at the connection between the two to ensure the tightness of the connection and to ensure the effect of negative pressure suction. In addition, the collection bag 242 is made of polyester fiber, which has good wear resistance, corrosion resistance and air permeability, can effectively filter dust, and can withstand multiple washes without deformation or damage. The collection bag 242 has the same function as the filter bag in the existing vacuum cleaner. The collection bag 242 is placed in the fixed cylinder 241 and supported by the support ring 243 to prevent the collection bag 242 from collapsing and affecting the entry of impurities.
[0028] In one embodiment, such as Figure 1 As shown, a wear-resistant liner 7 is installed on the inner wall of the conveying inclined pipe 22. The wear-resistant liner 7 is fixedly connected to the inner wall of the conveying inclined pipe 22 by countersunk screws, and the end of the countersunk screws is flush with the surface of the wear-resistant liner 7. In this embodiment, the wear-resistant liner 7 is in direct contact with the conveyed black soldier fly larvae and manure, which can effectively resist the wear of the material on the inner wall of the conveying inclined pipe 22. The end of the countersunk screw is flush with the surface of the wear-resistant liner 7, which avoids the screw protrusion from obstructing the material conveying or scratching the material, and at the same time facilitates the firm fixing and subsequent replacement of the wear-resistant liner 7.
[0029] In one embodiment, such as Figure 1 As shown, casters 8 are installed at the four corners of the bottom surface of the vibrating screen 1. In this embodiment, the casters 8 enable the vibrating screen 1 to move flexibly, facilitating adjustments to the placement of the equipment according to actual work needs, and improving the ease of transferring the equipment between different work sites. This is especially suitable for scenarios where frequent changes in work locations are required. Furthermore, the casters 8 are equipped with a locking structure, making it easy to position the device after it has been moved to a designated location. Both the casters 8 and the locking structure are relatively mature technologies at present, so their specific structures and locking methods will not be described in detail in this paper.
[0030] In one embodiment, such as Figure 4As shown, the outer wall of the fixing cylinder 241 has an annular groove 9, and an elastic annular band 10 is fitted inside the annular groove 9. The opening of the collection bag 242 is fitted onto the outside of the annular groove 9, and the elastic annular band 10 can fix the collection bag 242. In this embodiment, after the opening of the collection bag 242 is fitted onto the outside of the annular groove 9, the elastic annular band 10 tightens and tightly clamps the opening of the collection bag 242, realizing the connection between the collection bag 242 and the fixing cylinder 241. This facilitates quick disassembly and assembly of the collection bag 242 for cleaning or replacement, and the operation is simple and efficient. At the same time, the outer wall of the elastic annular band 10 fits against the inner wall of the suction pipe 25, which can also play a sealing role.
[0031] In one embodiment, combined Figure 1 As shown, the wear-resistant liner 7 is made of high-manganese steel. In this embodiment, the high-manganese steel wear-resistant liner 7 has extremely high wear resistance and toughness, and can withstand the friction between black soldier flies and manure during the transportation process, thereby enhancing the durability of the wear-resistant liner 7, significantly extending its replacement cycle, and reducing the maintenance cost of the equipment.
[0032] In one embodiment, such as Figure 2 As shown, the upper end of the inclined conveying tube 22 has an insertion hole 11. The suction tube 25 is inserted into the inner cavity of the inclined conveying tube 22 through the insertion hole 11. A sealing gasket 12 is fitted to the inner wall of the insertion hole 11, and the sealing gasket 12 is fitted to the outer wall of the suction tube 25. In this embodiment, the sealing gasket 12 fills the gap between the suction tube 25 and the insertion hole 11, making them fit tightly together. This effectively enhances the sealing of the connection, prevents negative pressure leakage when the exhaust fan 23 is working, and ensures that the suction tube 25 can stably and efficiently suck dust and impurities from the inclined conveying tube 22 into the dust collection bag 24.
[0033] The working principle of this utility model is as follows: Black soldier flies and manure first enter through the hopper 21 of the feed hopper 2. The position of the baffle plate 4 is adjusted according to the processing requirements to control the feeding speed. The material is conveyed to the vibrating screen 1 through the conveying inclined pipe 22. During this process, the exhaust fan 23 is started, and the dust and light impurities in the conveying inclined pipe 22 are sucked into the dust collection bag 24 through the suction pipe 25 to complete the preliminary air screening of the material. This prevents light impurities such as leaves from clogging the screen holes on the screen of the vibrating screen 1 and affecting the screening efficiency of this device. Then, the material after air screening falls onto the vibrating screen 1. The vibrating screen 1 vibrates after being powered on, and the black soldier flies and manure entering are screened and cleaned.
[0034] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. A black soldier fly larvae air-screening and cleaning machine, comprising a vibrating screen and a feed hopper, characterized in that, The vibrating screen is electrically connected to an external power source. A feed hopper is installed on the side wall of the feed end of the vibrating screen, through which black soldier flies and manure enter the vibrating screen. The feeding hopper includes a hopper body, a conveying inclined pipe, a blower, a dust collection bag, and a suction pipe. The hopper body is installed on the side wall of the vibrating screen. The discharge end of the lower part of the hopper body is equipped with a conveying inclined pipe, which is connected to the vibrating screen. The upper end of the conveying inclined pipe is inserted into and installed with a suction pipe, and the other end of the suction pipe is equipped with a dust collection bag. The blower is installed on the side wall of the conveying inclined pipe and is electrically connected to an external power source. The input end of the blower is located on the side wall of the dust collection bag.
2. The black soldier fly larvae air-screening and cleaning machine according to claim 1, characterized in that, The side wall of the bucket body is provided with a through groove, and a baffle plate is inserted and installed in the through groove. The through groove is inclined. An inclined plate is installed on the side wall of the bucket body, and a bolt is screwed into the top of the inclined plate. The bolt can hold the baffle plate.
3. The black soldier fly larvae air-screening and cleaning machine according to claim 1, characterized in that, The dust collection bag includes a fixed cylinder, a collection bag, a support ring, and a sealing ring. One end of the fixed cylinder is inserted into the end of the suction pipe. The collection bag is installed inside the fixed cylinder, and the edge of the collection bag is fitted onto the outside of the fixed cylinder. The support ring is placed inside the collection bag and can support the collection bag. The sealing ring is installed on the inner wall of the fixed cylinder and can fit tightly against the outer wall of the exhaust fan input end.
4. The black soldier fly larvae air-screening and cleaning machine according to claim 1 or 3, characterized in that, The inner wall of the conveying inclined pipe is fitted with a wear-resistant liner plate, which is fixedly connected to the inner wall of the conveying inclined pipe by countersunk screws, the end of which is flush with the surface of the wear-resistant liner plate.
5. The black soldier fly larvae air-screening and cleaning machine according to claim 1, characterized in that, The vibrating screen is equipped with casters at all four corners of its bottom surface.
6. The black soldier fly larvae air-screening and cleaning machine according to claim 3, characterized in that, The outer wall of the fixing cylinder is provided with an annular groove, and an elastic annular band is sleeved inside the annular groove. The opening of the collection bag is sleeved on the outside of the annular groove, and the elastic annular band can fix the collection bag.
7. The black soldier fly larvae air screening and cleaning machine according to claim 4, characterized in that, The wear-resistant liner is made of high manganese steel.
8. The black soldier fly larvae air-screening and cleaning machine according to claim 1, characterized in that, The upper end of the conveying inclined tube is provided with an insertion hole, and the suction tube is inserted into the inner cavity of the conveying inclined tube through the insertion hole. A sealing gasket is fitted to the inner side wall of the insertion hole, and the sealing gasket is fitted to the outer wall of the suction tube.