CN111713462B - Black soldier fly larva breeding device - Google Patents

Abstract

The invention discloses a black soldier fly larva breeding device which comprises a feeding mechanism for providing feeding materials for black soldier fly larvae and a plurality of breeding boxes for providing growth spaces for the black soldier fly larvae, wherein the adjacent two breeding boxes are connected end to end through a middle transition channel; the black soldier fly larvae are divided into a plurality of stages of the insect ages according to the insect ages from small to large, and the black soldier fly larvae of the plurality of stages of the insect ages are sequentially cultured in a plurality of culturing boxes according to the order of the insect ages from small to large; the breeding box is provided with a light-emitting device for driving the hermetia illucens larvae to be transferred from the current breeding box to the breeding box at the next insect age period. This larva breeding device divides into a plurality of worm age sections according to the growth law of larva to the larva to every worm age section is fed respectively, realizes the automatic mode of raising of continuous-flow type, is favorable to forming large-scale, modular breed, improves the breed success rate of heisui river horsefly.

Description

Black soldier fly larva breeding device

Technical Field

The invention relates to black soldier fly breeding equipment, in particular to a black soldier fly larva breeding device.

Background

In order to meet the requirements of harmless and recycling treatment of organic garbage, a method for treating kitchen garbage by hermetia illucens is introduced in China in recent years. The black soldier fly is native to America and is a saprophytic soldier fly, and the larva of the black soldier fly has saprophytic life, can take excrement of feeding livestock and domestic garbage, can effectively convert perishable organic garbage into insect protein and grease with high added values, provides a large amount of high-quality and low-cost animal protein sources for the market, and has huge application prospect in the fields of environmental protection and agriculture.

In the existing breeding technology, the breeding mode of the hermetia illucens is relatively extensive, especially in the larval stage, a large amount of manpower is needed for culturing, the breeding scale is small, the utilization rate is low, the labor cost is high, and large-scale production and industrialization are difficult to realize.

Disclosure of Invention

The invention aims to overcome the existing problems and provides the hermetia illucens larva breeding device which is divided into a plurality of larva age sections according to the growth rule of the larvae and respectively feeds the larvae of each larva age section, so that a flowing-water type automatic breeding mode is realized, large-scale and modularized breeding is favorably realized, and the breeding success rate of the hermetia illucens is improved.

The purpose of the invention is realized by the following technical scheme:

a black soldier fly larva breeding device comprises a feeding mechanism for providing feeding materials for black soldier fly larvae and a plurality of breeding boxes for providing growth spaces for the black soldier fly larvae, wherein the two adjacent breeding boxes are connected end to end through a middle transition channel; the black soldier fly larvae are divided into a plurality of stages of the insect ages according to the insect ages from small to large, and the black soldier fly larvae of the plurality of stages of the insect ages are sequentially cultured in a plurality of culturing boxes according to the order of the insect ages from small to large;

the breeding box is provided with a light-emitting device for driving the hermetia illucens larvae to be transferred from the current breeding box to the breeding box at the next insect age period.

The working principle of the black soldier fly larva breeding device is as follows:

along the direction of heisui river horsefly larva growth, put in heisui river horsefly's ovum to first breed box, put in the breed box and satisfied the larva after hatching and get the fodder that eats (of course, also can throw after heisui river horsefly's ovum gets into and eat), heisui river horsefly's ovum is hatched the back and is eaten, grows in current breed box.

When the larvae grew to the second instar, the larvae were transferred to the next rearing cassette: the light-emitting device above the current breeding box is turned on, the light-emitting device directly irradiates in the breeding box below, and because the larvae just hatched have the light-resistant effect, the larvae can stay in a dark place, so the larvae can leave the first breeding box by themselves and move to the second breeding box through the middle transition channel, continue to grow in the second breeding box until the larvae grow to the third age, and then are transferred to the next breeding box according to the same transfer mode.

According to the breeding mode, the larvae are sequentially converted into growing places along the plurality of breeding boxes, the larvae are transferred to the pupation chamber at the last breeding box, pupation is broken into flying insects in the pupation chamber, the flying insects are processed by the corresponding processing modules, and the pupated hermetia illucens are introduced into the lighted adult chamber to mate and lay eggs.

According to a preferred scheme of the invention, the plurality of breeding boxes are sequentially arranged from top to bottom along the spiral path and are arranged in a descending spiral manner, so that the occupied space is small, the process is smooth, larvae at each stage can move to a corresponding area conveniently, and flowing growth and separation of the larvae are realized. Of course, multiple habitat boxes may also be arranged along a horizontal path.

The feeding mechanism comprises a feed supply mechanism for supplying feed and a water supply mechanism for supplying moisture, the feed supply mechanism comprises a feeding hopper and a blanking pipe, and an outlet of the blanking pipe is positioned above the culture box;

the water supply mechanism comprises a water storage tank, a sewer pipe and a spray head, the sewer pipe is connected between the water storage tank and the spray head, and an outlet of the spray head is located above the culture box.

Preferably, the feeding hopper is arranged above the breeding box and comprises a plurality of feeding grooves for storing feed suitable for different insect age periods of hermetia illucens larvae to eat; the blanking pipe is arranged between the feeding trough and the culture box. Through above-mentioned structure, store the fodder respectively in a plurality of material grooves of throwing, satisfy the needs of the larva of different growth stages, form more scientific breed.

Furthermore, one is bred the box and is corresponded a plurality of unloading pipes, and the upper end of a plurality of unloading pipes feeds through with a plurality of charging chutes respectively. Furthermore, one breeding box corresponds to one blanking pipe, the upper end of the blanking pipe is respectively connected with the plurality of feeding grooves through pipelines and valves, and an outlet at the lower end of the blanking pipe is positioned above the same breeding box.

Further, the unloading pipe is provided with a switch valve for controlling feed throwing, preferably a ball valve.

According to a preferable scheme of the invention, the cultivation box comprises a box body and a box cover, the bottom surface of the box body is positioned below the bottom surfaces of adjacent middle transition channels, and two ends of each middle transition channel are respectively communicated to the inner cavity of the box body; the light-emitting device is arranged above the box cover, the box cover is made of a light-transmitting material, and the box cover is arranged right above the box body; two ends of the box cover connected with the middle transition channel are provided with shielding doors which can be opened or closed; the light-emitting device of the last breeding box is arranged at the larva outlet.

When the black soldier fly larvae are raised in the current breeding box, the two shielding doors are covered on the box cover, so that the inner cavity of the breeding box forms a closed space; when needs shift the larva to next breed the box, be close to the door that shelters from of next breed box and open, make the inner chamber of current breed box and lead to the middle transition passageway intercommunication of next breed box. Especially, when the shielding door of the current breeding box is opened downwards, the shielding door is connected with the shielding door opened downwards of the next breeding box to form a temporarily built channel, and at the moment, an independent connecting channel is not required to be arranged.

Preferably, the shutter door is connected to the box cover by a hinge structure; two ends of the middle transition channel are respectively provided with an avoiding opening for avoiding two shielding doors to rotate.

Of course, the shielding door can be connected with the box cover in a sliding and upward sliding mode.

Preferably, the box cover is connected to the box body through a hinge structure, and when the feed is thrown, the box cover is turned upwards around a hinge center to expose the inner cavity of the box body, so that the feed enters the box body.

Preferably, a bearing boss is arranged on the upper surface of the box cover close to the shielding door, and when the shielding door rotates upwards and is opened, the bearing boss can be turned over to be placed on the bearing boss, so that the shielding door can be opened and closed manually.

In a preferred embodiment of the invention, a screen mesh for separating larvae from waste residues is arranged in the breeding box, and the size of a screen mesh of the screen mesh is smaller than that of the black soldier fly larvae of the corresponding age range in the breeding box. Before the clearance residue, shake or vibrate the screen cloth through artifical or automated mechanism for fodder residue on the screen cloth falls from the sieve mesh, separates with the larva, because the size of the sieve mesh in the screen cloth is less than the size of the larva of current breed stage, so through abundant shake back, makes larva and waste material residue separate, so that carry out the cleaning work of waste material residue.

In a preferred embodiment of the present invention, the size of the plurality of cultivating boxes increases gradually from top to bottom along the direction in which the cultivating boxes are spirally arranged, so that the cultivating boxes can sequentially accommodate the growth of larvae of the same amount, which gradually increase in size, according to the growth forms of the larvae until the larvae pupate into flying insects.

In a preferred embodiment of the present invention, the size of the mesh of the screen is gradually increased from top to bottom along the direction in which the plurality of cultivation boxes are spirally arranged, the size of the screen is gradually increased along with the growth of the larvae, the screen is adapted to mesh with different sizes at different stages, and the feed residue can be effectively separated from the larvae through the mesh.

According to a preferable scheme of the invention, vertical plates are arranged on two opposite sides of the screen, and extend vertically along the box body, so that an automatic driving mechanism or a manual work can conveniently act on the vertical plates, and the screen is driven to lift and vibrate.

Preferably, a plurality of groups of screen driving mechanisms are arranged at the breeding box, and one group of screen driving mechanisms corresponds to the lifting and vibrating work of the screen in one breeding box; the vertical plate is connected to the driving end of the screen mesh driving mechanism. Specifically, the screen mesh driving mechanism can be composed of a driving motor and a screw rod transmission structure, and can also be composed of an air cylinder driving mechanism.

In a preferred embodiment of the present invention, the cultivation box and the feeding hopper are provided with a washing device, a drying device and a sterilizing device. After the black soldier fly of a generation is bred, before beginning new breed, wash, dry and disinfect to breeding box and hopper.

Preferably, the flushing device is realized by a water supply device, the drying device is a hot air device, and the sterilizing device is an ultraviolet sterilizing device.

The invention also comprises a waste hopper for collecting waste generated in the culture box, wherein the waste hopper is arranged below the culture box. The waste hopper can accept waste water generated when the cultivation box is washed except for accepting cultivation waste.

Preferably, the bottom of the culture box is provided with a movable bottom plate, a pipeline and a waste hopper. When waste materials and residues are required to be collected, the movable bottom plate is opened, so that the waste materials and the residues can uniformly fall into the waste hopper at the bottom through the pipeline arranged below the breeding box.

Preferably, the waste hopper is fixed on the box body through a clamping structure, and when the waste hopper is fixed and attached to the bottom of the box body, the waste hopper serves as the bottom of the box body. In the in-process of breeding, the fodder is put in box body (waste material fill), and the larva feeds in the box body, when needs are cleared up waste material, residue to breeding in the box, separates the residue of larva and fodder through the screen cloth, and the larva stops on the screen cloth, can lift the waste material fill off this moment, handles waste material, the residue in the waste material fill, adorns again on the box body.

Furthermore, the clamping structure comprises a clamping boss and a clamping hole, the clamping boss comprises a straight boss and a stepped boss, the straight boss is arranged on one side wall of the box body, and the stepped boss is arranged on the side wall of the box body opposite to the straight boss; the step bosses are formed by a first boss and a second boss which are arranged from the side wall to the outside, the transverse dimension of the first boss is smaller than that of the second boss, and the transverse dimension is parallel to the extending direction of the side wall;

the two groups of clamping holes are respectively formed in two corresponding side walls of the waste hopper and matched with clamping bosses on two corresponding sides of the breeding box; wherein, the upper part of the clamping hole matched with the step boss is provided with an opening which is in a structure with a narrow upper part and a wide lower part; the transverse size of the opening is larger than that of the first boss and smaller than that of the second boss;

in vertical projection, when the first boss is overlapped with the corresponding clamping hole, the straight boss is positioned at the outer side of the corresponding clamping hole; when the second boss is overlapped with the corresponding clamping hole, the straight boss is also overlapped with the corresponding clamping hole.

Through above-mentioned structure, when the assembly, place the waste hopper in the below of box body for be located first boss under with ladder boss complex joint hole, then up promote the waste hopper, make first boss get into the joint hole that corresponds, straight boss this moment is located the outside in the joint hole that corresponds, and then toward the direction lateral shifting waste hopper of second boss, make the second boss get into in the joint hole, thereby accomplish fixed assembly. Wherein, because the horizontal size of the opening with ladder boss complex joint hole is greater than the horizontal of first boss, and is less than the horizontal size of second boss, so first boss can vertical removal pass the opening and enter into the inside in joint hole, and then horizontal movement again for during the second boss enters into the joint hole, under the open-ended restriction, realize vertical direction's fixed connection.

Further, one side of the straight boss is provided with a limiting boss for preventing the waste hopper from moving towards the second boss relative to the box body, and the length dimension of the limiting boss is smaller than that of the straight boss.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the method, the larva breeding device is divided into a plurality of stage growth areas according to the growth rule of the larvae, a plurality of breeding boxes for feeding the larvae with different age ranges are arranged, the larvae are thinned to the plurality of age ranges to be managed and bred in batches, and a running-type automatic breeding mode is realized, so that not only can the larvae with different age ranges be obtained, but also large-scale and modularized breeding is facilitated, and the breeding success rate of the hermetia illucens is improved.

2. In the breeding process, the photophobic growth habit of the hermetia illucens larvae is utilized, so that the larvae are automatically transferred from the current breeding box to the breeding box of the next insect age period.

Drawings

Fig. 1 is a schematic perspective view of a black soldier fly larva breeding device according to the invention.

Fig. 2 is a schematic perspective view of the black soldier fly larva cultivating device in fig. 1 with a hidden larva cultivating chamber.

Fig. 3 is a schematic perspective view of a plurality of cultivation boxes in fig. 2.

Fig. 4-7 are diagrams of the process of larva cultivation in the present invention, wherein fig. 4 is a schematic diagram of feeding feed into cultivation boxes, fig. 5 is a schematic diagram of larva transferring from a previous cultivation box to a next cultivation box, fig. 6 is a schematic diagram of larva cultivation in a current cultivation box, and fig. 7 is a schematic diagram of larva transferring from a current cultivation box to a next cultivation box.

Fig. 8 is a three-dimensional disassembled schematic view of the cultivation box of the present invention.

Fig. 9 is an enlarged view of a in fig. 8.

Fig. 10 is a schematic perspective view of the cartridge and waste bin of the present invention.

Fig. 11 is an enlarged view of B in fig. 10.

FIGS. 12-13 are schematic views showing two processes for assembling the cartridge and the waste hopper in the present invention.

Detailed Description

In order to make those skilled in the art understand the technical solutions of the present invention well, the following description of the present invention is provided with reference to the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Example 1

Referring to fig. 1 to 3, the black soldier fly larva breeding device in the embodiment comprises a larva breeding chamber 1, a plurality of breeding boxes 2 and a plurality of breeding boxes, wherein the breeding boxes comprise a feeding mechanism for providing feeding materials for the black soldier fly larvae, and the breeding boxes 2 are used for providing growth spaces for the black soldier fly larvae, and the breeding boxes 2 are arranged inside the larva breeding chamber 1; the plurality of culture boxes 2 are sequentially arranged from top to bottom along a spiral path; of course, a plurality of habitat boxes 2 may also be arranged along a horizontal path. The black soldier fly larvae are divided into a plurality of stages according to the insect ages from small to large, and the black soldier fly larvae of the plurality of stages are sequentially cultured in the culture boxes 2 arranged from top to bottom according to the order of the insect ages from small to large. Two adjacent breed between the box 2 through middle transition passageway 3 realize end to end connection, breed box 2 and be equipped with and be arranged in driving black soldier fly larva and breed the illuminator that box 2 was bred to next worm age section from current breed box 2 transfer. In this embodiment, the light-emitting device may be a spotlight or other lamp capable of emitting light, and the light-emitting device is disposed through a fixing structure, which is not shown in the figure.

Specifically, the number of the breeding boxes 2 in the embodiment is 7, each breeding box 2 represents a growth age, the inlet end of the first breeding box 2 is communicated with the lower end of the input pipeline 4 along the growth direction, the upper end of the input pipeline 4 extends upwards in an inclined mode and penetrates through the equipment shell to extend to the outer side of the larva breeding chamber 1, and the breeding boxes are used for conveying the eggs of the hermetia illucens to the first breeding box 2 in the larva breeding chamber 1; the exit end of the seventh breeding box 2 communicates with the lower end of the output pipeline 5, the upper end of the output pipeline 5 inclines upwards to extend to the adult chamber outside the larva breeding chamber 1 through the equipment shell, and the black soldier fly flies out to the bright adult chamber to mate and lay eggs.

Of course, the cultivation boxes 2 can also be 5, 6 or 8, or even more.

Referring to fig. 1-2, the feeding mechanism comprises a feed supply mechanism for supplying feed and a water supply mechanism for supplying water, the feed supply mechanism comprises a feeding hopper 7 and a discharging pipe 8, and the outlet of the discharging pipe 8 is positioned above the cultivating box 2; the water supply mechanism comprises a water storage tank, a sewer pipe and a spray head, the sewer pipe is connected between the water storage tank and the spray head, and an outlet of the spray head is positioned above the culture box 2. The upper and lower water pipes of the blanking pipe 8 are provided with valves for controlling the opening and closing of the pipes, preferably ball valves.

Referring to fig. 1-2, the feeding hopper 7 is arranged above the breeding box 2, and the feeding hopper 7 comprises a plurality of feeding grooves 7-1 for storing feed suitable for different stages of hermetia illucens larvae to eat; the blanking pipe 8 is arranged between the feeding trough 7-1 and the culture box 2. Through above-mentioned structure, store the fodder of different individual size (or different kind) respectively in a plurality of troughs 7-1 of throwing, according to the law of food intake of larva, from the initial stage, the fodder individual grow gradually that feeds, can satisfy the needs of the larva of different growth stages like this, form more scientific breed.

Furthermore, one breeding box 2 corresponds to a plurality of discharging pipes 8, and the upper ends of the discharging pipes 8 are respectively communicated with a plurality of feeding troughs 7-1. Furthermore, one breeding box 2 corresponds to one blanking pipe 8, the upper end of the blanking pipe 8 is respectively connected with a plurality of feeding troughs 7-1 through pipelines and valves, and the outlet at the lower end of the blanking pipe 8 is positioned above the same breeding box 2. Further, the unloading pipe is provided with a ball valve for controlling feed delivery.

Referring to fig. 4-7, the cultivation box 2 comprises a box body 2-1 and a box cover 2-2, the bottom surface of the box body 2-1 is positioned below the bottom surface of the adjacent middle transition channel 3, and two ends of the middle transition channel 3 are respectively communicated with the inner cavity of the box body 2-1; the light emitting device corresponding to the last breeding box 2 is arranged at the larva outlet (the larva close to the pupal stage moves to the outlet due to phototropism to realize the purpose of collecting the larva in the pupal stage), other light emitting devices are arranged above the box cover 2-2, the box cover 2-2 is made of light-transmitting materials, and the box cover 2-2 is arranged right above the box body 2-1; two ends of the box cover 2-2 connected with the middle transition channel 3 are provided with a shielding door 2-3 which can be opened or closed; the shielding door 2-3 is connected to the box cover 2-2 through a hinge structure; two ends of the middle transition channel 3 are respectively provided with an avoiding opening for avoiding two shielding doors 2-3 to rotate. Specifically, the shutter door 2-3 in this embodiment is opened and closed by an electric structure (not shown), or the shutter door 2-3 may be manually pushed to open and close. Of course, the shielding door 2-3 can also be connected with the box cover 2-2 in a sliding and sliding manner.

When the black soldier fly larvae are raised in the current breeding box 2, the two shielding doors 2-3 are covered on the box cover 2-2, so that the inner cavity of the breeding box 2 forms a closed space, as shown in fig. 6; when the larva needs to be transferred to the next cultivation box 2, the shielding door 2-3 close to the next cultivation box 2 is opened, so that the inner cavity of the current cultivation box 2 is communicated with the middle transition channel 3 leading to the next cultivation box 2, as shown in fig. 7. The shutter door 2-3 is shown in an upwardly open configuration. When the shielding door 2-3 of the current breeding box 2 is rotated downwards and opened, the shielding door 2-3 is connected with the shielding door 2-3 which is rotated downwards and opened of the next breeding box 2 to form a temporary built channel, and at the moment, an independent intermediate connecting channel is not required to be arranged.

In this embodiment, the box cover 2-2 is connected to the box body 2-1 by a hinge structure, and when feeding, the box cover 2-2 is turned up around the hinge center to expose the inner cavity of the box body 2-1, so that the feed can enter the box body 2-1.

Furthermore, a bearing boss is arranged on the upper surface of the box cover 2-2 close to the shielding door 2-3, and when the shielding door 2-3 is rotated upwards and opened, the box cover can be turned over to the bearing boss for placing so as to manually open and close the shielding door 2-3.

Referring to fig. 4-7, a screen 6 for separating larvae from waste residues is arranged in the breeding box 2, and the screen 6 has a mesh size smaller than that of the black soldier fly larvae of the corresponding age range in the breeding box 2. Before the clearance residue, shake or vibrate screen cloth 6 through artifical or automated mechanism for fodder residue on the screen cloth 6 falls from the sieve mesh, separates with the larva, because the size of the sieve mesh in the screen cloth 6 is less than the size of the larva of current breed stage, so through abundant shake back, makes larva and waste material residue separate, so that carry out the cleaning work of waste material residue.

Referring to fig. 2 to 3, the size of the cultivation boxes 2 is gradually increased from top to bottom along the direction in which the plurality of cultivation boxes 2 are spirally arranged (not shown according to actual size in the figure), so that the larvae with gradually increased sizes can be sequentially accommodated to grow in the same amount according to the growth forms of the larvae until the larvae pupate into flying insects.

Referring to fig. 4-7, the size of the sieve holes of the screen 6 gradually increases from top to bottom along the direction of the spiral arrangement of the plurality of cultivation boxes 2 (not shown according to the actual size), the size of the larvae gradually increases, the required amount of feed also increases, the size of the feed (particles) to be fed and the feed residue formed also gradually increases, and then the feed residue can effectively pass through the sieve holes and be separated from the larvae by adapting the sieve holes with different sizes at different stages through the structure.

Referring to fig. 4-7, vertical plates are arranged on two opposite sides of the screen 6, and extend vertically along the box body 2-1, so that an automatic driving mechanism or a manual work can conveniently act on the vertical plates, and the screen 6 is driven to lift and vibrate.

Furthermore, a plurality of groups of screen 6 driving mechanisms are arranged at the breeding box 2, and one group of screen 6 driving mechanisms corresponds to the lifting and vibrating operation of the screen 6 in one breeding box 2; the vertical plate is connected to the driving end of the screen 6 driving mechanism. Specifically, the screen 6 driving mechanism may be composed of a driving motor and a screw transmission structure, or may be composed of an air cylinder driving mechanism.

Specifically, a washing device, a drying device and a sterilizing device are arranged on the breeding box 2 and the feeding hopper 7 in the implementation. After the black soldier fly of a generation is bred, before beginning new breed, wash, dry and disinfect to breeding box 2 and feeding hopper 7. Further, the flushing device is realized by a water supply device, the drying device is a hot air device, and the sterilizing device is an ultraviolet sterilizing device.

Referring to fig. 4 to 8, the larva culturing apparatus in the present embodiment further includes a waste hopper 9 for collecting waste generated in the culturing box 2, the waste hopper 9 being disposed below the culturing box 2.

Specifically, the waste hopper 9 is fixed on the box body 2-1 through a clamping structure, and when the waste hopper 9 is fixed and attached to the bottom of the box body 2-1, the waste hopper 9 serves as the lower bottom of the box body 2-1. In the cultivation process, feed is put into the box body 2-1 (the waste hopper 9), larvae feed in the box body 2-1, when the waste materials and residues in the cultivation box 2 need to be cleaned, the larvae are separated from the residues of the feed through the screen 6, the larvae stay on the screen 6, at the moment, the waste hopper 9 can be detached, the waste materials and the residues in the waste hopper 9 are processed, and then the larvae are installed on the box body 2-1 again.

Further, referring to fig. 8-13, the clamping structure comprises a clamping boss and a clamping hole 9-1, the clamping boss comprises a straight boss 2-1-1 and a stepped boss 2-1-2, the straight boss 2-1-1 is arranged on one side wall of the box body 2-1, and the stepped boss 2-1-2 is arranged on the side wall of the box body 2-1 opposite to the straight boss 2-1-1; the step bosses 2-1-2 are composed of a first boss and a second boss which are arranged outwards from the side wall, the transverse dimension of the first boss is smaller than that of the second boss, and the transverse dimension is parallel to the extending direction of the side wall; the two groups of clamping holes 9-1 are respectively arranged on two corresponding side walls of the waste hopper 9 and matched with clamping bosses on two corresponding sides of the breeding box 2; wherein, the upper part of the clamping hole 9-1 matched with the step boss 2-1-2 is provided with an opening which is in a structure with a narrow upper part and a wide lower part; the transverse dimension of the opening is larger than that of the first boss and smaller than that of the second boss.

In vertical projection, when the first boss is overlapped with the corresponding clamping hole 9-1, the straight boss 2-1-1 is positioned at the outer side of the corresponding clamping hole 9-1, as shown in fig. 12; when the second boss coincides with the corresponding snap-in hole 9-1, the straight boss 2-1-1 also coincides with the corresponding snap-in hole 9-1, as shown in fig. 13.

Through the structure, during assembly, the waste hopper 9 is placed below the box body 2-1, so that the clamping holes 9-1 matched with the stepped bosses 2-1-2 are positioned under the first bosses, then the waste hopper 9 is pushed upwards, so that the first bosses enter the corresponding clamping holes 9-1, at the moment, the straight bosses 2-1-1 are positioned outside the corresponding clamping holes 9-1, and then the waste hopper 9 is transversely moved towards the direction of the second bosses, so that the second bosses enter the clamping holes 9-1, and thus the fixed assembly is completed. The transverse size of the opening of the clamping hole 9-1 matched with the stepped boss 2-1-2 is larger than the transverse size of the first boss and smaller than the transverse size of the second boss, so that the first boss can vertically move to penetrate through the opening to enter the clamping hole 9-1 and then transversely move, the second boss enters the clamping hole 9-1, and the fixed connection in the vertical direction is realized under the limitation of the opening.

Referring to fig. 8-9, one side of the straight boss 2-1-1 is provided with a limit boss 2-1-3 for preventing the waste material hopper 9 from moving towards the second boss relative to the box body 2-1, and the length of the limit boss 2-1-3 is smaller than that of the straight boss 2-1-1.

Referring to fig. 1-7, the working principle of the black soldier fly larva breeding device is as follows:

along the direction of heisui river horsefly larva growth, put in heisui river horsefly's ovum to first breed box 2, put in the breed box 2 and satisfied the fodder that the larva after hatching got food (of course, also can throw the food after heisui river horsefly's ovum gets into), heisui river horsefly's ovum hatching back is eaten, is grown in current breed box 2.

When the larvae grow to the second instar, transfer the larvae to the next habitat 2: open the illuminator of breeding box 2 top at present, illuminator penetrates directly in the breeding box 2 of below, because the larva has the effect of keeping away from light, can go to look for the dark place and perch, so the larva can leave first breeding box 2 by oneself, through middle transition passageway 3, move to second breeding box 2 in, continue to grow in second breeding box 2, until growing up to the third age, shift to next breeding box 2 according to the same mode of transfer above-mentioned again.

According to the feeding mode, the larvae are sequentially converted into growing places along the plurality of breeding boxes 2 until pupation and flying insects are formed in the last box, then the pupation and flying insects are processed by the corresponding processing modules, and the pupation black soldier flies are introduced into a bright adult room to mate and lay eggs.

Example 2

Different from the embodiment 1, the bottom of the culture box in the embodiment is provided with a movable bottom plate, a pipeline and a waste hopper which can be opened and closed. When waste materials and residues are required to be collected, the movable bottom plate is opened, so that the waste materials and the residues can uniformly fall into the waste hopper at the bottom through the pipeline arranged below the breeding box.

The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.

Claims (9)

1. The black soldier fly larva breeding device is characterized by comprising a feeding mechanism for providing feeding materials for black soldier fly larvae and a plurality of breeding boxes for providing growth spaces for the black soldier fly larvae, wherein the two adjacent breeding boxes are connected end to end through a middle transition channel; the black soldier fly larvae are divided into a plurality of stages of the insect ages according to the insect ages from small to large, and the black soldier fly larvae of the plurality of stages of the insect ages are sequentially cultured in a plurality of culturing boxes according to the order of the insect ages from small to large;

the light-emitting device for driving the hermetia illucens larvae to be transferred from the current breeding box to the breeding box at the next insect age period is arranged at the breeding box;

the feeding mechanism comprises a feed supply mechanism for supplying feed and a water supply mechanism for supplying water, the feed supply mechanism comprises a feeding hopper and a blanking pipe, and an outlet of the blanking pipe is positioned above the culture box; the feeding hopper comprises a plurality of feeding grooves for storing feed suitable for different insect age periods of hermetia illucens larvae to eat; one breeding box corresponds to one blanking pipe, the upper end of the blanking pipe is respectively connected with the feeding groove through a pipeline and a valve, and an outlet at the lower end of the blanking pipe is positioned above the same breeding box;

the device also comprises a washing device for washing the breeding box and the feeding hopper, a drying device for drying the breeding box and the feeding hopper, and a sterilizing device for sterilizing the breeding box and the feeding hopper.

2. The black soldier fly larva raising device according to claim 1, wherein the plurality of raising boxes are arranged in a spiral path from top to bottom.

3. The black soldier fly larva raising device according to claim 1, wherein the water supply mechanism comprises a water storage tank, a sewer pipe and a spray head, the sewer pipe is connected between the water storage tank and the spray head, and an outlet of the spray head is positioned above the raising box;

the feeding hopper is arranged above the breeding box, and the discharging pipe is arranged between the feeding trough and the breeding box.

4. The black soldier fly larva raising device according to any one of claims 1 to 3, wherein the raising box comprises a box body and a box cover, the bottom surface of the box body is positioned below the bottom surface of the adjacent intermediate transition channel, and the two ends of the intermediate transition channel are respectively communicated with the inner cavity of the box body; the light-emitting device is arranged above the box cover, the box cover is made of a light-transmitting material, and the box cover is arranged right above the box body; two ends of the box cover connected with the middle transition channel are provided with shielding doors which can be opened or closed;

when the black soldier fly larvae are raised in the current breeding box, the two shielding doors are covered on the box cover, so that the inner cavity of the breeding box forms a closed space; when needs shift the larva to next breed the box, be close to the door that shelters from of next breed box and open, make the inner chamber of current breed box and lead to the middle transition passageway intercommunication of next breed box.

5. The black soldier fly larva breeding device according to claim 2, wherein a screen mesh for separating larvae from waste residues is arranged in the breeding box, and the size of a screen mesh of the screen mesh is smaller than that of black soldier fly larvae of a corresponding larva age section in the breeding box.

6. The black soldier fly larva raising device according to claim 5, wherein the size of each raising box and the size of the mesh of the screen mesh gradually increase from top to bottom along the direction in which the plurality of raising boxes are spirally arranged.

7. The black soldier fly larva raising device according to claim 1, further comprising a waste hopper for collecting waste material produced in the raising box, the waste hopper being disposed below the raising box; the bottom of the breeding box is provided with a movable bottom plate, and a pipeline is arranged between the movable bottom plate and the waste hopper.

8. The black soldier fly larva raising device according to claim 4, further comprising a waste hopper for collecting waste materials generated in the raising box, the waste hopper being disposed below the raising box; the waste hopper is fixed on the box body through a clamping structure, and when the waste hopper is fixed and attached to the bottom of the box body, the waste hopper serves as the bottom of the box body.

9. The black soldier fly larva breeding device according to claim 8, wherein the clamping structure comprises a clamping boss and a clamping hole, the clamping boss comprises a straight boss and a stepped boss, the straight boss is arranged on one side wall of the box body, and the stepped boss is arranged on the side wall of the box body opposite to the straight boss; the step bosses are formed by a first boss and a second boss which are arranged from the side wall to the outside, the transverse dimension of the first boss is smaller than that of the second boss, and the transverse dimension is parallel to the extending direction of the side wall;

the two groups of clamping holes are respectively formed in two corresponding side walls of the waste hopper and matched with clamping bosses on two corresponding sides of the breeding box; wherein, the upper part of the clamping hole matched with the step boss is provided with an opening which is in a structure with a narrow upper part and a wide lower part; the transverse size of the opening is larger than that of the first boss and smaller than that of the second boss;

in vertical projection, when the first boss is overlapped with the corresponding clamping hole, the straight boss is positioned at the outer side of the corresponding clamping hole; when the second boss is overlapped with the corresponding clamping hole, the straight boss is also overlapped with the corresponding clamping hole.

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