CN114098120A - Black soldier fly bait preparation system and method - Google Patents

Abstract

The application provides a black soldier fly bait preparation system and method, and black soldier fly bait preparation system includes first order breaker, second grade breaker, oil water separator, slurrying device and partial shipment device. The first-stage crushing device is used for crushing the kitchen waste to obtain primary raw materials. And the second-stage crushing device is connected with the first-stage crushing device and is used for receiving and crushing the primary raw material to obtain a secondary raw material. And the oil-water separator is communicated with a liquid outlet of the second-stage crushing device and is used for receiving the secondary raw material and separating the secondary raw material into residue and grease. And the pulping device is communicated with the residue outlet of the oil-water separator and is used for mixing the prefabricated slurry and the residue to obtain organic slurry. The sub-packaging device comprises a bin and a sub-packaging mechanism. The automatic degree is high, and is efficient, and difficult card machine, and the fault rate is low, and the cost of manufacture is low.

Description

Black soldier fly bait preparation system and method

Technical Field

The invention relates to the technical field of black soldier fly breeding, in particular to a system and a method for preparing black soldier fly bait.

Background

The feed prepared from the black soldier fly larvae and adults is suitable for feeding various poultry and fishes so as to realize resource utilization, and has the characteristics of rapid propagation, large biomass, wide feeding property, high absorption and conversion rate, easiness in management, low feeding cost, good animal palatability and the like. The existing feed for breeding the hermetia illucens can use kitchen waste as a raw material, and in the prior art, the preparation mode of the hermetia illucens feed is mainly completed manually.

The inventor researches and discovers that the existing black soldier fly bait preparation equipment at least has the following defects:

low efficiency, easy machine clamping and low resource utilization rate.

Disclosure of Invention

The invention aims to provide a black soldier fly bait preparation system and method, which can realize automatic operation and have high efficiency; and the situation of card jamming is not easy to occur in the preparation process, so that the resource utilization rate can be improved.

The embodiment of the invention is realized by the following steps:

in a first aspect, the present invention provides a black soldier fly bait preparation system, comprising:

the primary crushing device is used for crushing the kitchen waste to obtain primary raw materials;

the second-stage crushing device is connected with the first-stage crushing device and is used for receiving and crushing the primary raw material to obtain a secondary raw material;

the oil-water separator is communicated with a liquid outlet of the second-stage crushing device and is used for receiving the secondary raw material and separating the secondary raw material into residue and grease;

the pulping device is communicated with a residue outlet of the oil-water separator and is used for mixing the prefabricated slurry and the residue to obtain organic slurry;

and the split charging device comprises a stock bin and a split charging mechanism, the stock bin is communicated with the pulping device and is used for stirring the organic slurry, and the organic slurry can be distributed to the split charging mechanism to breed the hermetia illucens.

In an optional embodiment, the black soldier fly bait preparation system further comprises a collecting device, the collecting device comprises a lifting unit and a collecting barrel, the lifting unit is connected with the first-stage crushing device, the collecting barrel is connected with the lifting unit, the collecting barrel is used for collecting kitchen waste, and the lifting unit is used for driving the collecting barrel to lift.

In an optional embodiment, the lifting unit comprises a frame body, a driving unit, a base plate, a bearing plate and a telescopic unit, the frame body is connected with the first-stage crushing device, the driving unit is simultaneously connected with the frame body and the base plate, the base plate is slidably matched with the frame body, and the driving unit is used for driving the base plate to lift; the bearing plate is connected with the substrate in a sliding mode, the telescopic unit is arranged on the bearing plate, the collecting barrel is rotatably connected with the bearing plate, the telescopic unit is rotatably connected with the collecting barrel, and the telescopic unit is used for driving the collecting barrel to rotate relative to the bearing plate.

In an alternative embodiment, the mouth of the collecting barrel is provided with a deflector.

In an alternative embodiment, the first stage crushing device comprises a first housing, a first driver and a first crushing roller, wherein the first driver is arranged on the first housing, and the first driver is connected with the first crushing roller and used for driving the first crushing roller to rotate.

In an alternative embodiment, the second stage crushing device comprises a second housing, a second drive, and a second crushing roller; the second driver is arranged on the second shell, and the second driver is connected with the second crushing roller and used for driving the second crushing roller to rotate; the outlet of the first housing is in communication with the inlet of the second housing.

In an optional embodiment, the second-stage crushing device further comprises a collecting tank and a delivery pump, the delivery pump is connected with the collecting tank, an inlet of the collecting tank is communicated with an outlet of the second housing, an outlet of the collecting tank is communicated with the oil-water separator, and the delivery pump is used for delivering the secondary raw material to the oil-water separator.

In an alternative embodiment, the pulping apparatus comprises a third casing, a third driver, a pendulum and a separating screen, wherein the third driver is arranged on the third casing, the third driver is connected with the pendulum, and the separating screen is connected with the third casing and is positioned below the pendulum; the third shell is communicated with a residue outlet of the oil-water separator; the separating screen is used for filtering impurities in the organic slurry.

In an optional embodiment, the storage bin comprises a body, a stirring shaft, stirring blades and a pump body, wherein the body is provided with an accommodating cavity, the stirring shaft is connected with the body, the stirring blades are connected with the stirring shaft, and an included angle is formed between each stirring blade and a plane perpendicular to the stirring shaft; one side of the stirring blade, which is far away from the stirring shaft, is provided with a cutting edge; the pump body is communicated with the body and used for distributing the stirred organic slurry to the sub-packaging mechanism.

In a second aspect, the present invention provides a method for preparing a black soldier fly bait suitable for use in the black soldier fly bait preparation system according to any one of the foregoing embodiments, the method comprising:

performing primary crushing on the kitchen waste and obtaining a primary raw material;

performing secondary crushing on the primary raw material and obtaining a secondary raw material;

separating the secondary raw material by using an oil-water separator to obtain residues and grease;

mixing the residue with the pre-prepared slurry according to the weight ratio of 10:1 to obtain organic slurry;

stirring and subpackaging the organic slurry, and culturing the hermetia illucens by using the subpackaged organic slurry.

The embodiment of the invention has the beneficial effects that:

to sum up, the heisui river horsefly bait preparation system that this embodiment provided utilizes first order breaker to carry out the first time breakage after collecting kitchen garbage earlier, obtains elementary raw materials. The particle size of the primary raw material is reduced compared with that of the kitchen waste. Then, carry primary raw materials to second grade breaker and carry out the secondary crushing, so, can be with the broken secondary raw materials that is more the granule footpath of primary raw materials, and through twice breakage, be difficult for breakage basically, difficult broken kitchen garbage has all carried out broken handle, follow-up difficult appearance card machine's the condition then, carry secondary raw materials to oil water separator again, separate secondary raw materials, with residue and grease separation in the secondary raw materials, the grease can be collected the back and use or sell. The residue is conveyed to a pulping apparatus, and the residue and the pre-slurry are mixed to obtain an organic slurry. And finally, conveying the organic slurry to a subpackaging device, stirring and mixing the organic slurry again by the subpackaging device, and then distributing the organic slurry to a subpackaging mechanism according to needs, wherein the organic slurry on the subpackaging mechanism is the feed for the hermetia illucens, and the feed can be directly used for breeding the hermetia illucens. The preparation process of the black soldier fly bait has the advantages of high automatic blocking degree, high operation efficiency and low manufacturing cost. In addition, the situation of blocking is not easy to occur, the failure rate is reduced, the kitchen waste can be utilized to the maximum extent, and the utilization rate of resources is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic flow diagram of a black soldier fly bait preparation system according to an embodiment of the invention;

FIG. 2 is a schematic diagram of the configuration of a collection device and a first stage crushing device according to an embodiment of the invention;

FIG. 3 is a schematic structural diagram of a frame body according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a storage bin according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a sub-rack according to an embodiment of the present invention.

Icon:

100-a first stage crushing device; 200-a second stage crushing device; 300-an oil-water separator; 400-pulping device; 500-a split charging device; 510-a storage bin; 511-body; 512-stirring shaft; 513-stirring blades; 514-pump body; 520-split charging mechanism; 521-a sub-packaging frame; 522-split box; 600-a collecting device; 610-a lifting unit; 611-frame body; 6111-a guide groove; 6112-trough bottom wall; 612-a drive unit; 613-substrate; 614-carrier plate; 615-a telescopic unit; 620-collection bucket; 630-an elastic member; 640-a baffle; 650-drive rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, during preparation of black soldier fly bait, kitchen waste is manually screened, then is directly conveyed to a pulping device through a screw conveyer, is mixed with prefabricated slurry, is stirred, and then is filled into a culture bag for culturing black soldier flies. Due to the fact that manual screening is adopted, efficiency is low, the screening effect is poor, machine jamming is easily caused by kitchen waste entering the pulping equipment and stirring, the machine failure rate is high, and accordingly black soldier fly bait preparation cost is high.

In view of this, the designer designs a black soldier fly bait preparation system, which has high automation degree and high preparation efficiency; the kitchen waste is good in crushing effect, the phenomenon of blocking is not prone to occurring, the failure rate is reduced, and the preparation cost is reduced.

Referring to fig. 1, in the present embodiment, the black soldier fly bait preparation system includes a first-stage crushing device 100, a second-stage crushing device 200, an oil-water separator 300, a pulping device 400 and a sub-packaging device 500. The first-stage crushing device 100 is used for crushing the kitchen waste to obtain primary raw materials. The second stage crushing device 200 is connected to the first stage crushing device 100, and is configured to receive and crush the primary raw material to obtain a secondary raw material. The oil-water separator 300 is communicated with a liquid outlet of the second-stage crushing device 200, and is used for receiving the secondary raw material and separating the secondary raw material into residue and grease. The slurry making device 400 is communicated with the residue outlet of the oil-water separator 300, and is used for mixing the pre-prepared slurry and the residue to obtain organic slurry. The sub-packaging device 500 comprises a stock bin 510 and a sub-packaging mechanism 520, wherein the stock bin 510 is communicated with the pulping device 400 and is used for stirring the organic slurry, and the organic slurry can be distributed to the sub-packaging mechanism 520 to breed the hermetia illucens.

The operation flow of the black soldier fly bait preparation system provided by this embodiment includes, for example:

after the kitchen waste is collected, the first-stage crushing device 100 is used for crushing for the first time to obtain a primary raw material. The particle size of the primary raw material is reduced compared with that of the kitchen waste. Then, carry primary raw materials to second grade breaker 200 and carry out the secondary crushing, so, can be with the broken secondary raw materials that is more the granule footpath of primary raw materials, and through twice breakage, be difficult for breakage basically, difficult broken kitchen garbage has all carried out broken handle, the condition of follow-up difficult appearance card machine then, carry secondary raw materials to oil water separator 300 again, separate secondary raw materials, with residue and grease separation in the secondary raw materials, the grease can be collected the back and use or sell. The residue is transferred to the slurry making apparatus 400, and the residue and the preliminary slurry are mixed, thereby obtaining an organic slurry. And finally, conveying the organic slurry to the sub-packaging device 500, wherein the sub-packaging device 500 can stir and mix the organic slurry again, and then distributing the organic slurry to the sub-packaging mechanism 520 as required, wherein the organic slurry on the sub-packaging mechanism 520 is the feed for the hermetia illucens, and the feed can be directly used for breeding the hermetia illucens. The preparation process of the black soldier fly bait has the advantages of high automatic blocking degree, high operation efficiency and low manufacturing cost. In addition, the situation of blocking is not easy to occur, the failure rate is reduced, the kitchen waste can be utilized to the maximum extent, and the utilization rate of resources is improved.

Referring to fig. 2, in the embodiment, it should be understood that the kitchen waste can be collected by the collecting device 600 and then conveyed to the first-stage crushing device 100 for crushing, and the kitchen waste can be screened during the collection of the kitchen waste. Optionally, the collecting device 600 includes a lifting unit 610 and a collecting barrel 620, the lifting unit 610 is connected to the first-stage crushing device 100, the collecting barrel 620 is connected to the lifting unit 610, the lifting unit 610 is configured to drive the collecting barrel 620 to lift, and then the collecting barrel 620 is tilted after the collecting barrel 620 is lifted to a set height, and in the process of tilting the collecting barrel 620, kitchen waste in the collecting barrel 620 enters the first-stage crushing device 100 from a barrel mouth.

Referring to fig. 2 and 3, optionally, the lifting unit 610 includes a frame body 611, a driving unit 612, a base plate 613, a bearing plate 614 and a telescopic unit 615. The frame body 611 is a metal frame, and the frame body 611 is welded and fixed with the first-stage crushing device 100. For example, the holder body 611 is a rectangular frame, the holder body 611 is vertically disposed, and the collection barrel 620 and the holder body 611 are slidably engaged in the height direction of the holder body 611, so that the collection barrel 620 is lifted in the height direction of the holder body 611. Further, the frame body 611 is further provided with a guide groove 6111, a groove bottom wall 6112 of the guide groove 6111 is an inclined surface, so that the groove depth of the guide groove 6111 becomes gradually shallower in the direction from bottom to top, that is, after the frame body 611 is assembled with the first-stage crushing device 100, the notch of the guide groove 6111 faces the first-stage crushing device 100, and at this time, the distance between the groove bottom wall 6112 of the guide groove 6111 and the first-stage crushing device 100 gradually decreases in the downward and upward direction. The driving unit 612 may be a chain transmission unit, and the driving unit 612 is disposed on the frame body 611. The base plate 613 is coupled with the chain, and the base plate 613 is slidably fitted with the frame body 611, and the base plate 613 is stably guided to slide by the frame body 611. After the driving unit 612 is started, the substrate 613 can be driven to move up and down relative to the frame 611. Meanwhile, the carrier plate 614 is slidably connected to the base plate 613, and a sliding direction of the carrier plate 614 extends horizontally. The telescopic unit 615 is disposed on the bearing plate 614, the collecting barrel 620 is rotatably connected with the bearing plate 614, the telescopic unit 615 is rotatably connected with the collecting barrel 620, and the telescopic unit 615 is used for driving the collecting barrel 620 to rotate relative to the bearing plate 614.

Meanwhile, the guide plate 640 is convexly arranged at the barrel opening of the collecting barrel 620, and the guide plate 640 protrudes out of the barrel opening edge of the collecting barrel 620, so that the material can be conveniently poured into the first-stage crushing device 100, and the material leakage is not easy to occur. Further, guide plate 640 is the arc, and guide plate 640 possesses the guiding gutter, can introduce the material in first order breaker 100 through the guiding gutter. Further, the collecting barrel 620 is provided with an elastic body and a transmission rod 650, the transmission rod 650 is inserted into the guide groove 6111, one end face of the transmission rod 650 contacts with a groove bottom wall 6112 of the guide groove 6111, when the collecting barrel 620 moves downwards and upwards by using the driving unit 612, the collecting barrel 620 gradually gets away from the frame body 611 under the matching of the transmission rod 650 and the guide groove 6111, that is, the collecting barrel 620 gradually gets close to the first-stage crushing device 100, so that the guide plate 640 is not easy to collide with the first-stage crushing device 100 during the lifting process of the collecting barrel 620, after the collecting barrel 620 rises to a set height, the distance between the collecting barrel 620 and the first-stage crushing device 100 is reduced, the guide plate 640 can cross the top of the first-stage crushing device 100 and is located in an area surrounded by the feed inlet of the first-stage crushing device 100, when the collecting barrel 620 rotates and tilts by the telescopic unit 615, the guide plate 640 is always located in the area surrounded by the feed inlet of the first-stage crushing device 100, the material leakage is not easy to cause. And the end of the elastic member 630 far from the collecting barrel 620 abuts against the base plate 613, so that the collecting barrel 620 always has a tendency of being close to the frame body 611, when the collecting barrel 620 descends, under the action of the elastic member 630, the collecting barrel 620 gradually gets away from the first-stage crushing device 100, the guide plate 640 does not generate scraping and collision with the first-stage crushing device 100, and the safety is high.

It should be understood that the elastic member 630 may be, but is not limited to, a spring.

Further, the telescopic unit 615 may be a pneumatic cylinder, a hydraulic cylinder, or the like.

In this embodiment, optionally, the first stage crushing device 100 includes a first housing, a first driver and a first crushing roller, the first driver is disposed on the first housing, and the first driver is connected to the first crushing roller for driving the first crushing roller to rotate. The first driver may be a motor. The top of the first enclosure is a feed inlet from which the deflector plate 640 can direct material in the collection vessel 620 into the crushing chamber.

In the present embodiment, optionally, the second-stage crushing device 200 includes a second casing, a second driver, a second crushing roller, a collecting tank, and a delivery pump; the second driver is arranged on the second shell and connected with the second crushing roller for driving the second crushing roller to rotate; the discharge hole of the first machine shell is communicated with the feed inlet of the second machine shell. The delivery pump is connected with the collecting tank, and the import of collecting tank and the discharge gate intercommunication of second casing, the export and the oil water separator 300 intercommunication of collecting tank, the delivery pump is used for carrying secondary raw materials to oil water separator 300. It should be appreciated that the second drive may be a motor. In addition, the primary raw material crushed by the first-stage crushing device 100 may be conveyed to the second-stage crushing device 200 by a screw conveyor.

In this embodiment, optionally, the pulping apparatus 400 includes a third casing, a third driver, a pendulum bob, and a separating screen, where the third driver is disposed on the third casing, the third driver is connected to the pendulum bob, and the separating screen is connected to the third casing and located below the pendulum bob; the third shell is communicated with a residue outlet of the oil-water separator 300; the separating screen is used for filtering impurities in the organic slurry. It should be understood that the third driver may be, but is not limited to, a motor.

Referring to fig. 4, in the present embodiment, optionally, the storage bin 510 includes a body 511, a stirring shaft 512, a stirring blade 513 and a pump body 514, the body 511 is provided with an accommodating cavity, the stirring shaft 512 is connected with the body 511, the stirring blade 513 is connected with the stirring shaft 512, and an included angle is formed between the stirring blade 513 and a plane perpendicular to the stirring shaft 512. One side of the stirring vane 513 away from the stirring shaft 512 is set as a blade, and meanwhile, both sides of the stirring vane 513 opposite to each other in the rotation direction are set as blades. The pump body 514 is in communication with the body 511 for distributing the agitated organic slurry to the dispensing mechanism 520. When the thick liquid after slurrying device 400 mixes the stirring gets into in the body 511, the (mixing) shaft 512 rotates under the drive of motor, drives stirring vane 513 and rotates, because stirring vane 513 sets up for the slope, drives the mixture rotation and goes up and down at the in-process of stirring the mixture, mixes effectually, further realizes the homogenization of heisui river horsefly bait, does benefit to heisui river horsefly and breeds. Meanwhile, the stirring blade 513 is provided with a cutting edge, so that impurities attached to the stirring blade 513 can be broken in real time, the blockage of the machine due to the increase of the deposition of the impurities is avoided, and the operation is more stable and reliable. The pump body 514 conveys the bait that the stirring was accomplished to partial shipment device 500, then carries out the breed of heisui river horsefly.

Referring to fig. 5, it should be understood that the racking device 500 may include a racking frame 521 and racking boxes 522, the racking frame 521 has multiple layers, and each layer may be disposed with a plurality of racking boxes 522, such that a large number of hermetia illucens can be simultaneously cultivated by reasonably utilizing the horizontal and vertical spaces.

The black soldier fly bait preparation system that this embodiment provided for through the multistage breakage to the raw materials for the impurity particle diameter reduces in the raw materials, is difficult for the card machine, reduces the fault rate. Meanwhile, the bait preparation has high automation degree, high efficiency and reduced cost.

The embodiment also provides a preparation method of the black soldier fly bait, which comprises the following steps:

performing primary crushing on the kitchen waste and obtaining a primary raw material;

performing secondary crushing on the primary raw material and obtaining a secondary raw material;

separating the secondary raw material by using an oil-water separator 300 to obtain residue and grease;

mixing the residue and the pre-prepared slurry according to the weight ratio of 10:1 to obtain organic slurry;

stirring and subpackaging the organic slurry, and culturing the hermetia illucens by using the subpackaged organic slurry.

The preparation method has the advantages of high automation degree, high efficiency, low failure rate and low bait preparation cost, and the situation of blocking is not easy to occur.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a heisui river horsefly bait preparation system which comprises:

the primary crushing device (100), wherein the primary crushing device (100) is used for crushing kitchen waste to obtain primary raw materials;

a second stage crushing device (200), the second stage crushing device (200) being connected to the first stage crushing device (100) for receiving and crushing the primary raw material to obtain a secondary raw material;

the oil-water separator (300) is communicated with a liquid outlet of the second-stage crushing device (200) and is used for receiving the secondary raw material and separating the secondary raw material into residue and grease;

the pulping device (400) is communicated with a residue outlet of the oil-water separator (300) and is used for mixing the prefabricated slurry and the residue to obtain organic slurry;

and partial shipment device (500), partial shipment device (500) include feed bin (510) and partial shipment mechanism (520), feed bin (510) with slurrying device (400) intercommunication is used for the stirring organic thick liquid, and can with organic thick liquid distributes to partial shipment mechanism (520) is in order to carry out the breed of heisui river horsefly.

2. The heisui fly bait preparation system of claim 1, wherein:

the black soldier fly bait preparation system still includes collection device (600), collection device (600) are including hoisting unit (610) and collecting vessel (620), hoisting unit (610) with first order breaker (100) are connected, collecting vessel (620) with hoisting unit (610) are connected, collecting vessel (620) are used for collecting kitchen garbage, hoisting unit (610) are used for the drive collecting vessel (620) go up and down.

3. The black soldier fly bait preparation system of claim 2, wherein:

the lifting unit (610) comprises a frame body (611), a driving unit (612), a base plate (613), a bearing plate (614) and a telescopic unit (615), wherein the frame body (611) is connected with the first-stage crushing device (100), the driving unit (612) is simultaneously connected with the frame body (611) and the base plate (613), the base plate (613) is slidably matched with the frame body (611), and the driving unit (612) is used for driving the base plate (613) to ascend and descend; the bearing plate (614) is connected with the base plate (613) in a sliding mode, the telescopic unit (615) is arranged on the bearing plate (614), the collecting barrel (620) is connected with the bearing plate (614) in a rotatable mode, the telescopic unit (615) is connected with the collecting barrel (620) in a rotatable mode, and the telescopic unit (615) is used for driving the collecting barrel (620) to rotate relative to the bearing plate (614).

4. The black soldier fly bait preparation system of claim 3, wherein:

and a flow guide plate (640) is arranged at the opening of the collecting barrel (620).

5. The heisui fly bait preparation system of claim 1, wherein:

the first-stage crushing device (100) comprises a first shell, a first driver and a first crushing roller, wherein the first driver is arranged on the first shell, and the first driver is connected with the first crushing roller and used for driving the first crushing roller to rotate.

6. The black soldier fly bait preparation system of claim 5, wherein:

the second stage crushing device (200) comprises a second enclosure, a second drive and a second crushing roller; the second driver is arranged on the second shell, and the second driver is connected with the second crushing roller and used for driving the second crushing roller to rotate; the outlet of the first housing is in communication with the inlet of the second housing.

7. The black soldier fly bait preparation system of claim 6, wherein:

the second-stage crushing device (200) further comprises a collecting tank and a delivery pump, the delivery pump is connected with the collecting tank, an inlet of the collecting tank is communicated with an outlet of the second machine shell, an outlet of the collecting tank is communicated with the oil-water separator (300), and the delivery pump is used for delivering the secondary raw material to the oil-water separator (300).

8. The heisui fly bait preparation system of claim 1, wherein:

the pulping device (400) comprises a third machine shell, a third driver, a pendulum bob and a separating screen, wherein the third driver is arranged on the third machine shell and connected with the pendulum bob, and the separating screen is connected with the third machine shell and positioned below the pendulum bob; the third shell is communicated with a residue outlet of the oil-water separator (300); the separating screen is used for filtering impurities in the organic slurry.

9. The heisui fly bait preparation system of claim 1, wherein:

the storage bin (510) comprises a body (511), a stirring shaft (512), stirring blades (513) and a pump body (514), wherein the body (511) is provided with an accommodating cavity, the stirring shaft (512) is connected with the body (511), the stirring blades (513) are connected with the stirring shaft (512), and an included angle is formed between each stirring blade (513) and a plane perpendicular to the stirring shaft (512); one side of the stirring blade (513) far away from the stirring shaft (512) is provided with a blade; the pump body (514) is communicated with the body (511) and is used for distributing the stirred organic slurry to the sub-packaging mechanism (520).

10. A method of preparing a black soldier fly bait suitable for use in the system of any one of claims 1 to 9, the method comprising:

performing primary crushing on the kitchen waste and obtaining a primary raw material;

performing secondary crushing on the primary raw material and obtaining a secondary raw material;

separating the secondary raw material by using an oil-water separator (300) to obtain residue and grease;

mixing the residue with the pre-prepared slurry according to the weight ratio of 10:1 to obtain organic slurry;

stirring and subpackaging the organic slurry, and culturing the hermetia illucens by using the subpackaged organic slurry.

Images