A live larva separation apparatus

Abstract

The utility model relates to resource insect breeding technical field especially relates to a kind of live larva separation equipment, including separation device, the separation device includes at least one layer separation mechanism, separation mechanism includes at least two parallel distribution conveying mechanisms, gap is equipped between two conveying mechanisms, the size of gap can pass live larva, conveying mechanism is driven by power mechanism;The lower of conveying mechanism is equipped with insect collection area, and the tail of the conveying direction along the conveying mechanism is equipped with insect sand collection area, the utility model greatly improves the separation effect of larva and insect sand, and increases the cleanliness of live larva.

Description

Technical Field

[0001] This utility model belongs to the field of resource insect breeding technology, and in particular relates to a live larvae separation device. Background Technology

[0002] Insect farming can transform agricultural waste (such as kitchen waste and livestock manure) into high-value products. For example, black soldier fly larvae can consume 800 kg of kitchen waste in 10 days, producing 150-200 kg of insect body and 100 kg of high-quality organic fertilizer. Yellow mealworms can convert straw into insect protein and organic fertilizer, achieving resource recycling. Simultaneously, the decomposition of organic waste by insects can block the spread of pathogens, hormones, and antibiotics. For example, black soldier flies can degrade viruses in the carcasses of diseased and dead livestock, reducing the risk of environmental pollution. Furthermore, insect farming does not require the use of chemical pesticides, conforming to the principles of organic agriculture. The separation of live larvae is crucial in the insect farming process.

[0003] This invention addresses the issue that after existing insect farming practices end, larvae must be separated from insect sand. However, the mixture often contains materials with varying moisture content, making separation difficult, incomplete, and inefficient. This invention is designed to provide a highly efficient live larvae separation device. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a live larvae separation device, which solves the problems of difficulty in separating larvae from insect sand and low separation efficiency in the prior art.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] This utility model provides a live larvae separation device, including a separation unit. The separation unit includes at least one separation mechanism, which includes at least two parallel conveying mechanisms. A gap is provided between two adjacent conveying mechanisms, and the size of the gap is large enough to allow live larvae to pass through. The conveying mechanisms are driven by a power mechanism. A larvae collection area is provided below the conveying mechanism, and a larvae and sand collection area is provided at the tail end along the conveying direction of the conveying mechanism.

[0007] Preferably, the power mechanism includes a frame, a drive roller, a driven roller, and a drive motor. The frame rotatably connects the drive roller and the driven roller. A transport carrier for separating live larvae is provided between the drive roller and the driven roller. The drive motor drives the power mechanism to work.

[0008] Preferably, the live larvae separation equipment further includes a material feeding device that feeds material onto the separation device. The material feeding device includes a hopper, a material distribution conveyor belt, a frame, and a dispersing and leveling mechanism. The material distribution conveyor belt is installed on the frame, and a hopper is located above the material distribution conveyor belt. The dispersing and leveling mechanism is located inside the hopper, and a discharge port is located at the bottom of the hopper. The dispersing and leveling mechanism is located above the discharge port. A distributor is located at the discharge port, and each feeding port of the distributor corresponds to the transport carrier of the top separation mechanism of the separation device.

[0009] Preferably, the transport carrier is provided with multiple separation plates to guide the movement of live larvae.

[0010] Preferably, the transport carrier is provided with a soft material separation edge along its length.

[0011] Preferably, the separation device comprises at least two layers of separation mechanisms, which are arranged alternately. The gap of the outer separation mechanism is above the transport carrier of the inner separation mechanism, and the insect collection area is located below the inner transport mechanism. The tail ends of both the inner and outer separation mechanisms are provided with insect and sand collection areas.

[0012] Preferably, the live larvae separation device further includes a heat insulation cover, which includes a heat insulation cover frame. The heat insulation cover frame is fixed to the top separation mechanism. The heat insulation cover frame is provided with a front heat insulation plate, a rear heat insulation plate, a side heat insulation plate, and a top heat insulation plate. The front heat insulation plate is provided with a larvae inlet, and the rear heat insulation plate is provided with a larvae outlet. The side heat insulation plates are in contact with the frame and the transport carrier, and are movably connected to the heat insulation cover frame.

[0013] Preferably, the separation device is further provided with an energy source, which is at least one of a heat source and a light source.

[0014] Preferably, the insect and sand collection area consists of a conveyor belt and a collection box at the end of the conveyor belt; the insect collection area is equipped with an insect collection box.

[0015] Preferably, the rear of the transport vehicle is equipped with a cleaning device, which is a brush or an electric roller brush.

[0016] Preferably, the dispersing and leveling mechanism includes a roller with stirring teeth, the roller being driven by a power motor.

[0017] The roller is mounted on the hopper or frame, and the power motor is mounted on the hopper or frame.

[0018] Preferably, the fabric-laying device is further provided with a material lifting device, which is a lifting conveyor belt.

[0019] Preferably, the soft material separation edge is a soft hair.

[0020] The beneficial effects of this utility model are:

[0021] 1. The present invention includes a separation device, which includes at least one separation mechanism, and the separation mechanism includes at least two parallel conveying mechanisms. A gap is provided between two adjacent conveying mechanisms, the size of which allows live larvae to pass through. The conveying mechanism is driven by a power mechanism. A larvae collection area is provided below the conveying mechanism, and a larvae-sand collection area is provided at the tail end along the conveying direction of the conveying mechanism. In this device, the larvae-feed mixture is sent to the separation device together. The conveying mechanism of the separation device can complete the movement and transportation of the feed and larvae. During the movement and transportation, live larvae fall through the gap into the larvae collection area, and larvae-sand is transported to the tail end and falls into the larvae-sand collection area, which can effectively complete the separation of larvae and larvae-sand.

[0022] 2. This equipment includes a feeding device that delivers the insect and insect-sand mixture to the separation device. The transport carrier is equipped with multiple separation plates that guide the movement of live larvae. The separation plates facilitate the even distribution of the insect and insect-sand mixture, making it easier to separate the larvae. A soft material separation edge is provided along the length of the transport carrier, which makes the separated larvae cleaner.

[0023] 3. The separation device described in this equipment consists of at least two layers of separation mechanisms, which are arranged alternately. The gap of the outer separation mechanism is above the transport carrier of the inner separation mechanism, and the insect collection area is located below the inner transport mechanism. The tail ends of the inner separation mechanism and the two outer separation mechanisms are equipped with insect and sand collection areas. The multi-layer separation mechanism improves the separation efficiency and increases the cleanliness of the separated larvae.

[0024] 4. The material spreading device in this equipment includes a hopper, a material distribution conveyor belt, a frame, and a dispersing and leveling mechanism. The material distribution conveyor belt is installed on the frame, and a hopper is located above the material distribution conveyor belt. The dispersing and leveling mechanism is located inside the hopper, and a discharge port is located at the bottom of the hopper. The dispersing and leveling mechanism is located above the discharge port. A distributor is provided at the discharge port, and each feed port of the distributor corresponds to the transport carrier of the top separation mechanism of the separation device. The dispersing and leveling mechanism spreads the wet material evenly into a thin layer, avoiding material accumulation that would cause live larvae to hide, and significantly improving the larval exposure rate.

[0025] 5. The live larvae separation equipment described in this device also includes a heat insulation cover, which comprises a heat insulation cover frame. The heat insulation cover frame is fixed to the top separation mechanism. The heat insulation cover frame is provided with a front heat insulation plate, a rear heat insulation plate, a side heat insulation plate, and a top heat insulation plate. The front heat insulation plate is provided with an larvae inlet, and the rear heat insulation plate is provided with an larvae outlet. The side heat insulation plates are in contact with the frame and the transport carrier, and are movably connected to the heat insulation cover frame. The separation device also includes an energy source, which is at least one of a heat source and a light source. The sealed larvae-escape space formed by the heat insulation cover and the frame can stabilize the temperature and humidity. Combined with repulsion mechanisms (such as specific light sources, temperature rise, or gas release), it can directionally stimulate larvae, enhance their escape behavior, and promote their faster detachment from the sticky substrate, thereby improving escape efficiency and thus increasing the larvae separation efficiency.

[0026] 6. The insect and sand collection area in this equipment consists of a conveyor belt and a collection box at the end of the conveyor belt. The insect and sand collection area can conveniently collect insect and sand; the tail of the transport carrier is equipped with a cleaning device, which can be a brush, an electric roller brush, or a gas. Some insect and sand has high moisture content and may stick to the transport carrier. The cleaning device makes it easy to remove the insect and sand from the transport carrier; the dispersing and spreading mechanism includes a roller with stirring teeth, which is driven by a power motor and is installed on the hopper or frame. The dispersing and spreading mechanism realizes the uniform spreading of wet materials; the material spreading device is also equipped with a material lifting device, which is a lifting conveyor belt. This structure greatly reduces the labor intensity of spreading the material. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the single-layer separation device of the live larvae separation equipment of this utility model, excluding the heat insulation cover.

[0028] Figure 2 This is a schematic diagram of the single-layer separation device including the heat insulation cover of the live larvae separation equipment of this utility model;

[0029] Figure 3 This is one of the structural schematic diagrams of the fabric device of the live larvae separation equipment of this utility model;

[0030] Figure 4 This is the second schematic diagram of the fabric device of the live larvae separation equipment of this utility model;

[0031] Figure 5 This is a schematic diagram of the dispersing and flattening mechanism of the live larvae separation device of this utility model;

[0032] Figure 6 This is a schematic diagram of the two-layer separation device structure of the live larvae separation equipment of this utility model;

[0033] Figure 7This is one of the structural schematic diagrams of the transport carrier of the live larvae separation device of this utility model;

[0034] Figure 8 This is the second schematic diagram of the transport carrier of the live larvae separation device of this utility model;

[0035] Figure 9 This is the third schematic diagram of the transport carrier of the live larvae separation device of this utility model.

[0036] The components include: 1. Separation device, 2. Fabric spreading device, 20. Separation mechanism, 3. Conveying mechanism, 30. Power mechanism, 31. Frame, 32. Drive roller, 33. Driven roller, 34. Drive motor, 4. Gap, 5. Insect collection area, 6. Insect and sand collection area, 7. Separation plate, 8. Separation edge, 9. Energy source, 10. Material lifting device, 11. Hopper, 12. Material distribution conveyor belt, 13. Frame, 14. Dispersing and leveling mechanism, 15. Discharge port, 16. Distributor, 17. Insulation cover, 18. Insulation cover frame, 61. Conveyor belt, 62. Collection box, 140. Roller shaft, 141. Power motor. Detailed Implementation

[0037] The technical solutions of various embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "inner", "outer", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] It should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0039] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0040] Example 1:

[0041] ReferenceFigure 1 , 3 As shown in Figure 5, a live larvae separation device includes a separation device 1, which includes at least one separation mechanism 20. The separation mechanism 20 includes at least two parallel conveying mechanisms 3. A gap 4 is provided between two adjacent conveying mechanisms 3. The size of the gap 4 is such that a live larva can pass through. The conveying mechanism 3 is driven by a power mechanism. A larvae collection area 5 is provided below the conveying mechanism 3, and a larvae sand collection area 6 is provided at the tail end along the conveying direction of the conveying mechanism.

[0042] To facilitate the feeding of materials, a feeding device 2 is also provided on the live larvae separation equipment, which feeds the materials onto the separation device 1. The power mechanism 30 includes a frame 31, a drive roller 32, a driven roller 33, and a drive motor 34. The frame 31 is rotatably connected to the drive roller 32 and the driven roller 33. A transport carrier for separating live larvae is provided between the drive roller 32 and the driven roller 33. The drive motor 34 drives the power mechanism 30 to work. Below the conveying mechanism 3, there is an insect collection area 5, which is equipped with an insect collection box. At the tail end along the conveying direction of the conveying mechanism, there is an insect sand collection area 6, which consists of a conveyor belt 61 and a collection box 62 at the tail end of the conveyor belt.

[0043] The working process of this utility model:

[0044] After the normal breeding cycle ends, the material is transferred to the spreading device 2 and fed to the separating device 1. The width of the spreading material on the separating device 1 is smaller than the width of the transport carrier, and the thickness is adjusted according to the actual situation. The insects will naturally escape and fall into the insect collection area 5 at the bottom through the gap 4. The insect sand that falls off with the tail of the transport carrier falls into the insect sand collection area 6, completing the collection of insect sand. The whole process is that the front end is spreading material and the rear end is separating clean insects and insect sand.

[0045] Example 2:

[0046] The difference between this embodiment and Embodiment 1 is that this device includes a heat insulation cover structure; see reference Figure 2 , 3As shown in Figure 5, a live larvae separation device includes a feeding device 2 and a separation device 1. The feeding device 2 feeds material onto the separation device 1. The separation device 1 includes at least one separation mechanism 20, which includes at least two parallel conveying mechanisms 3. The conveying mechanisms 3 are driven by a power mechanism. A gap 4 is provided between two adjacent conveying mechanisms 3, and the size of the gap 4 is such that live larvae can pass through. The power mechanism 30 includes a frame 31, a driving roller 32, a driven roller 33, and a drive motor 34. The frame 31 is rotatably connected to the driving roller 32 and the driven roller 33. A transport carrier for separating live larvae is provided between the driving roller 32 and the driven roller 33. The drive motor 34 drives the power mechanism 30 to work. Below the conveying mechanism 3 is a collection area 5 for insects, which contains an insect collection box. At the tail end of the conveying mechanism, along the conveying direction, is a sand collection area 6 for insects, consisting of a conveyor belt 61 and a collection box 62 at the tail end of the conveyor belt. The live larvae separation equipment also includes a heat insulation cover 17, which includes a heat insulation cover frame 18. The heat insulation cover frame 18 is fixed to the top separation mechanism. The heat insulation cover frame 18 has a front heat insulation plate, a rear heat insulation plate, side heat insulation plates, and a top heat insulation plate. The front heat insulation plate has an insect inlet, and the rear heat insulation plate has an insect outlet. The side heat insulation plates are in contact with the frame 31 and the transport carrier, and are movably connected to the heat insulation cover frame.

[0047] The working process of this utility model is as follows: After the normal breeding cycle is completed, the material is transferred to the spreading device 2 and fed to the separating device 1 through the spreading device 2. The width of the spreading material on the separating device 1 is smaller than the width of the transport carrier, and the thickness is adjusted according to the actual situation. Under the radiation of the energy source, the larvae and insect sand on the transport carrier will accelerate the escape and fall into the gap 4 to escape again and fall into the insect collection area 5 at the bottom. The insect sand that falls off with the tail of the transport carrier falls into the insect sand collection area 6, completing the collection of insect sand. The whole process is that the front end is spreading material and the rear end separates clean insects and insect sand.

[0048] Example 3:

[0049] The difference between this embodiment and Embodiment 1 is that this device contains two separation mechanisms; see reference... Figure 1 , 3As shown in Figures 5 and 6, a live larvae separation device includes a separation device 1 and a feeding device 2. The feeding device 2 feeds material onto the separation device 1. The separation device 1 includes two layers of separation mechanisms 20, which are arranged alternately. Each separation mechanism 20 includes at least two parallel conveying mechanisms 3, with a gap 4 between adjacent conveying mechanisms 3. The gap 4 is large enough to allow live larvae to pass through. The power mechanism 30 includes a frame 31, a drive roller 32, a driven roller 33, and a drive motor 34. The frame 31... The active roller 32 and the driven roller 33 are rotatably connected. A transport carrier for separating live larvae is provided between the active roller 32 and the driven roller 33. The drive motor 34 drives the power mechanism 30 to work. The gap of the outer separation mechanism is above the transport carrier of the inner separation mechanism. The insect collection area 5 is located below the inner conveying mechanism 3. The tail ends of the inner separation mechanism and the two outer separation mechanisms are provided with insect sand collection areas 6. The insect collection area 5 is provided with an insect collection box. The insect sand collection area 6 is composed of a conveyor belt 61 and a collection box 62 at the tail end of the conveyor belt.

[0050] The working process of this utility model is as follows: After the normal breeding cycle is completed, the material is transferred to the feeding device 2 and fed to the separation device 1 through the feeding device 2. The width of the material on the separation device 1 is smaller than the width of the transport carrier. There is an inner transport carrier at the bottom of the outer transport carrier. Under high temperature and strong light, the insects and insect sand on the outer transport carrier will quickly escape from the outer transport carrier and be transferred to the inner transport carrier. After falling onto the inner transport carrier, they will also escape from the strong light and high temperature and fall onto the bottom insect collection conveyor belt. The work transports the cleaned insects out and collects them into the container.

[0051] During a period of operation, all the larvae on the outer transport carrier escape and fall into the inner conveyor belt, but the insect excrement does not transfer. After the outer transport carrier rotates to the end, the excrement falls to the first-stage excrement collection conveyor belt by gravity, and the excrement collection conveyor belt delivers the excrement into the container. Similarly, when the larvae on the outer transport carrier escape, they take some of the excrement with them. At this time, the excrement and insect excrement fall onto the second-stage insect separation conveyor belt. The larvae escape, and the excrement left behind does not transfer. After the belt rotates to the end, the excrement falls to the second-stage excrement collection conveyor belt, and the excrement collection conveyor belt delivers the excrement into the container, completing the collection of insect excrement.

[0052] Example 4:

[0053] The difference between this embodiment and Embodiment 1 is that this device includes a material lifting device 10, as shown in the reference section. Figure 1 , 4As shown in Figure 5, a live larvae separation device includes a separation device 1 and a feeding device 2. The feeding device 2 feeds material onto the separation device 1. The separation device 1 includes a separation mechanism 20, which includes at least two parallel conveying mechanisms 3. A gap 4 is provided between two adjacent conveying mechanisms 3, and the size of the gap 4 is large enough to allow live larvae to pass through. The conveying mechanism 3 is driven by a power mechanism. The power mechanism 30 includes a frame 31, a drive roller 32, a driven roller 33, and a drive motor 34. The frame 31 is rotatably connected to the drive roller 32 and the driven roller 33. A transport carrier for separating live larvae is provided between the drive roller 32 and the driven roller 33. The drive motor 34 drives the power mechanism 30 to work. Below the conveying mechanism 3, there is an insect collection area 5, which is equipped with an insect collection box. At the tail end along the conveying direction of the conveying mechanism, there is an insect sand collection area 6, which is composed of a conveyor belt 61 and a collection box 62 at the tail end of the conveyor belt. The feeding device is also equipped with a material lifting device, which is a lifting conveyor belt.

[0054] To further enhance the separation effect, refer to Figure 7 As shown, the transport carrier is provided with multiple separation plates 7 to guide the separation of live larvae. The separation plates 7 can be arranged along the thickness direction of the transport carrier or in a figure-eight shape along the length direction of the transport carrier, as long as it is convenient to guide the escape of live larvae.

[0055] Reference Figure 8 As shown, a soft material separation edge 8 is provided on the transport carrier along the length direction. The soft material separation edge is soft hair, which can be natural fiber hair or artificial hair. The hardness can be close to that of toothbrush bristles. This makes it easier for insect sand to remain on the transport carrier when the live larva escapes, so that the live larva carries less insect sand and the live larva is cleaner overall.

[0056] Reference Figure 9 To facilitate the escape of live larvae, the cross-section of the transport carrier can be a flat plate or a transport plate with a concave cross-section.

[0057] To ensure the material is spread out evenly, facilitating subsequent insect-rearing operations; refer to Figure 3 As shown, the fabric spreading device 2 includes a hopper 11, a material distribution conveyor belt 12, a frame 13, and a dispersing and flattening mechanism 14. The material distribution conveyor belt 12 is mounted on the frame, and the hopper 11 is located above the material distribution conveyor belt. The dispersing and flattening mechanism 14 is located inside the hopper 11, and a discharge port 15 is located at the bottom of the hopper. The dispersing and flattening mechanism is located above the discharge port. A distributor 16 is located at the discharge port 15, and each feed port of the distributor 16 corresponds to the transport carrier of the top separation mechanism 20 of the separation device 1. To further reduce the labor intensity of fabric spreading, the fabric spreading device is also equipped with a material lifting device 10, which is a lifting conveyor belt.

[0058] In order to facilitate the dispersing and leveling of materials, and to speed up the material discharge and prevent the discharge blockage, a dispersing and leveling mechanism 14 is provided in the structure. The dispersing and leveling mechanism 14 includes a roller 140 with stirring teeth. The roller is driven by a power motor 141. The roller is installed on the hopper or frame. The power motor is installed on the hopper 11 or frame 13.

[0059] The insect sand collection area 6 described above consists of a conveyor belt 61 and a collection box 62 at the end of the conveyor belt. The insect sand collection area can conveniently collect insect sand; the tail of the transport carrier is equipped with a cleaning device, which is a brush or an electric roller brush. Some insect sand has a high moisture content and may stick to the transport carrier. The cleaning device can easily remove the insect sand from the transport carrier; the cleaning device can be a brush, an electric roller brush, or an air flushing device.

[0060] In the above structure, for ease of installation of the insulation cover, the front, rear, side, and top insulation panels can be composed of multiple insulation panels combined together. Simultaneously, the side insulation panels are movably connected to the insulation cover frame using hinges, pins, or other mechanisms, facilitating observation of the internal operation and timely removal of any impurities left behind during insect escape. Alternatively, observation holes or other mechanisms can be provided on the insulation cover.

[0061] To increase the larval escape behavior, the separation device 1 is also equipped with an energy source 9, which is at least one of a heat source and a light source; if necessary, other avoidance mechanisms can be used.

[0062] The present invention has been described in detail above through specific embodiments and examples, but these are not intended to limit the present invention. Many modifications and improvements can be made by those skilled in the art without departing from the principles of the present invention, and these should also be considered within the scope of protection of the present invention.

Claims

1. A live larvae separation device, comprising a separation unit (1), characterized in that: The separation device (1) includes at least one separation mechanism (20), the separation mechanism (20) includes at least two parallel conveying mechanisms (3), a gap (4) is provided between two adjacent conveying mechanisms (3), the size of the gap (4) is large enough to allow live larvae to pass through, the conveying mechanism (3) is driven by a power mechanism (30); an insect collection area (5) is provided below the conveying mechanism (3), and an insect sand collection area (6) is provided at the tail end along the conveying direction of the conveying mechanism.

2. The live larvae separation device according to claim 1, characterized in that, The power mechanism (30) includes a frame (31), an active roller (32), a driven roller (33), and a drive motor (34). The frame (31) is rotatably connected to the active roller (32) and the driven roller (33). A transport carrier for separating live larvae is provided between the active roller (32) and the driven roller (33). The drive motor (34) drives the power mechanism (30) to work.

3. The live larvae separation device according to claim 2, characterized in that, It also includes a material feeding device (2), which feeds material to the separation device (1); the material feeding device (2) includes a hopper (11), a material distribution conveyor belt (12), a frame (13) and a dispersing and leveling mechanism (14). The material distribution conveyor belt (12) is installed on the frame. The hopper (11) is located above the material distribution conveyor belt. The dispersing and leveling mechanism (14) is located inside the hopper (11). The bottom of the hopper is provided with a discharge port (15). The dispersing and leveling mechanism is located above the discharge port. A distributor (16) is provided at the discharge port (15). Each feeding port of the distributor (16) is correspondingly set with the transport carrier of the top separation mechanism (20) of the separation device (1).

4. The live larvae separation device according to claim 2, characterized in that: The transport carrier is equipped with multiple separation plates (7) to guide the movement of live larvae.

5. The live larvae separation device according to claim 2, characterized in that: The transport carrier is provided with a soft material separation line (8) along the length direction of the transport carrier.

6. The live larvae separation device according to claim 1, characterized in that: The separation device (1) consists of at least two layers of separation mechanisms (20), which are arranged alternately. The gap of the outer separation mechanism is above the transport carrier of the inner separation mechanism. The insect collection area (5) is located below the inner transport mechanism (3). The tail ends of both the inner separation mechanism and the outer separation mechanism are provided with insect and sand collection areas (6).

7. The live larvae separation device according to claim 2, characterized in that: It also includes a heat insulation cover (17), which includes a heat insulation cover frame (18). The heat insulation cover frame (18) is fixed to the separation mechanism on the top layer. The heat insulation cover frame (18) is provided with a front heat insulation plate, a rear heat insulation plate, a side heat insulation plate and a top heat insulation plate. The front heat insulation plate is provided with an insect inlet, and the rear heat insulation plate is provided with an insect outlet. The side heat insulation plate is in contact with the frame (31) and the transport carrier, and the side heat insulation plate is movably connected to the heat insulation cover frame.

8. The live larvae separation device according to claim 1, characterized in that: The separation device (1) is also equipped with an energy source (9), which is at least one of a heat source and a light source.

9. The live larvae separation device according to claim 1, characterized in that: The insect and sand collection area (6) consists of a conveyor belt (61) and a collection box (62) at the end of the conveyor belt.

10. The live larvae separation device according to claim 3, characterized in that: The dispersion and leveling mechanism (14) includes a roller (140) with stirring teeth, which is driven by a power motor (141). The roller is mounted on a hopper or frame, and the power motor is mounted on a hopper (11) or frame (13).

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