CN115055369A - Black soldier fly screening device and screening method thereof - Google Patents
Black soldier fly screening device and screening method thereof Download PDFInfo
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- CN115055369A CN115055369A CN202210699598.2A CN202210699598A CN115055369A CN 115055369 A CN115055369 A CN 115055369A CN 202210699598 A CN202210699598 A CN 202210699598A CN 115055369 A CN115055369 A CN 115055369A
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- screen
- swing
- screening
- screening device
- black soldier
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- 238000012216 screening Methods 0.000 title claims abstract description 62
- 241000709785 Hermetia illucens Species 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000005056 compaction Methods 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 241000238631 Hexapoda Species 0.000 abstract description 4
- 210000003608 fece Anatomy 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 10
- 238000003825 pressing Methods 0.000 description 10
- 239000002699 waste material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 241000255632 Tabanus atratus Species 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003795 desorption Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/0006—Means for guiding the cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
- B30B9/3003—Details
- B30B9/3035—Means for conditioning the material to be pressed, e.g. paper shredding means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- General Engineering & Computer Science (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a hermetia illucens screening device and a screening method thereof, wherein the hermetia illucens screening device comprises a swing screen, a motor driving part is arranged at the bottom of the swing screen, a plurality of layers of screen meshes are arranged on the swing screen, a discharge hole corresponding to each layer of screen mesh is formed in the outer side of the swing screen, and the mesh number of the screen meshes is gradually increased from top to bottom; the inside drying mechanism that is equipped with of rocking screen can dry the material on the screen cloth. When the black soldier fly is screened, due to the fact that the previous feeding materials are unreasonably distributed, the surplus materials are excessive when the larvae are screened, and the surplus materials are combined with the insect dung to cause high humidity and high viscosity, and the meshes of the screen are easily blocked.
Description
Technical Field
The invention belongs to the technical field of hermetia illucens breeding, and particularly relates to a hermetia illucens screening device and a screening method thereof.
Background
The black soldier fly breeding is scaled along with the progress of science and technology, and the scale cannot be enlarged due to the fact that the labor cost is too high in the conventional artificial breeding, so that more and more mechanical equipment are used in the black soldier fly breeding; wherein, after the larva grows up, the larva, the material and the insect feces need to be screened and separated, and the used screening equipment comprises a swing screen, a vibrating screen and a cylinder screen; the swing screen is high-precision screening equipment simulating manual screening, and the height of the swing screen simulates the manual screening to continuously and uniformly screen materials.
The specific working process of the circular swing sieve is as follows: when the material entered the sifter on, even from sifter to diffusion on every side, slight high frequency word jump on one side, rotatory removal on one side, whole process can be understood as the three-dimensional rolling motion of level and jump, and the tiny particle material can get into next sifter, and the large granule can reject at the discharge gate of this aspect owing to unable filtration, thereby whole screening process is accomplished to the material.
However, when the hermetia illucens are screened, due to the fact that the previous feeding materials are unreasonably distributed, the surplus materials are excessive during larva screening, the surplus materials are combined with the insect dung to cause high humidity and viscosity, if the hermetia illucens are screened by the circular swing screen, meshes of the screen mesh are easily blocked, the circular swing screen is limited in use, and only manual screening can be adopted; and the waste material with the volume similar to that of the hermetia illucens larvae can not be screened out, and only secondary screening can be carried out, so that the screening efficiency is not high.
Disclosure of Invention
The invention aims to provide a hermetia illucens screening device and a screening method thereof, which solve the problems that when the hermetia illucens are screened, due to unreasonable feeding material distribution in the early stage, the surplus material is excessive in larva screening, the surplus material is combined with insect dung to cause high humidity and viscosity, if a circular swing screen is adopted for screening, the meshes of a screen mesh are easily blocked, the circular swing screen cannot be used, and only manual screening can be adopted; and can't be screened with the waste material of heisui river horsefly larva similar volume, can only secondary screening, lead to the not high problem of screening efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the black soldier fly screening device comprises a swing screen, wherein a motor driving part is arranged at the bottom of the swing screen, a plurality of layers of screen meshes are arranged on the swing screen, a discharge hole corresponding to each layer of screen mesh is formed in the outer side of the swing screen, and the mesh number of the screen meshes is gradually increased from top to bottom;
the inside drying mechanism that is equipped with of rocking screen can dry the material on the screen cloth.
Preferably, the drying mechanism comprises a heating strip, the heating strip is arranged on the screen mesh and is in an arc shape, and a cavity is arranged inside the heating strip;
the cavity communicates with external air supply equipment, a side of the cavity towards the center of the screen is provided with a plurality of air nozzles, and one-way valves are arranged inside the air nozzles.
Preferably, a collecting mechanism is arranged on the outer side of the swing sieve, the collecting mechanism comprises a collecting box, a collecting tank is arranged at a position of the collecting box corresponding to the discharge port, a plurality of guide inclined plates are obliquely arranged in the collecting box, the middle parts of the guide inclined plates correspond to the collecting tank, and the guide inclined plates are arranged in parallel;
the bottom of the collecting box is provided with a compaction groove, one side of the compaction groove penetrates through the collecting box and is communicated with the outside, the top of the other side of the compaction groove is provided with an opening, and the opening extends upwards to a plurality of guide inclined plates to form a collecting channel;
the compaction groove is characterized in that an extrusion assembly is fixedly mounted at one end of the compaction groove and comprises a pressing plate, the pressing plate is slidably mounted in the compaction groove, and a telescopic cylinder is fixed on one side, away from the compaction groove, of the pressing plate.
Preferably, a cutting assembly is arranged on one side, away from the telescopic cylinder, of the compaction groove, and comprises a cutter, the top of the cutter is fixedly connected with one end of a steel wire rope, and the other end of the steel wire rope is connected to the outer side wall of the swing screen in a ball joint mode;
the side wall of the collecting box is rotatably provided with a guide wheel, and the steel wire rope is wound on the guide wheel;
the side wall of the collecting box is provided with a guide rail, two sides of the cutter are provided with a plurality of balls, and the cutter is installed on the guide rail. Preferably, one side of the top of the swing screen is connected with a corrugated pipe, the end part of the corrugated pipe is communicated with the top of a treatment box, a condenser is arranged in the treatment box, and an air outlet pipe is arranged on one side of the condenser;
the drain pipe below of condenser is equipped with the reservoir, the reservoir passes through the pipeline and communicates with the pump mutually, the delivery port of pump passes through the pipeline and is connected with atomizing nozzle, atomizing nozzle is located compaction groove top, and atomizing nozzle orientation collection passageway.
Preferably, the top of the heating strip is provided with a flanging part, and the flanging part is obliquely arranged upwards and extends towards the center of the screen.
A method for screening hermetia illucens uses any one of the hermetia illucens screening devices.
The invention has the technical effects and advantages that: compared with the prior art, the black soldier fly screening device and the screening method thereof provided by the invention have the following advantages:
1. according to the invention, the hot gas sprayed by the air nozzles distributed on the inner sides of the heating strips can dry the materials at the center of the screen, so that the materials are sufficiently dried, the middle part and the edge of the screen are actually separated by matching with the heating strips arranged in an arc shape, and only the materials just thrown out from the inner sides of the heating strips can reach the edge of the screen and are gradually discharged from the corresponding discharge ports; on one hand, the time for drying the materials in the middle is increased, so that the materials are sufficiently dried, and the problem of screen blockage is reduced as much as possible; the less material of on the other hand granule falls the one deck down, the material at middle part can reduce gradually along with the increase of screening time, air nozzle spun hot gas is intermittent type under gas supply equipment's effect and is jetted out, when no gas blowout, great material can strike with the heating strip under the sieve action of rocking the sieve, thereby the breakage becomes the fritter, reduce because the material leads to the problem that is difficult to the screening to come out with the larva volume is similar, make the screening come out the material that is mingled with in the larva of collecting reduce as far as possible, need not the secondary screening and can obtain whole larva, the screening efficiency is improved.
2. In the process that the pressing plate pushes the material, the material can be compacted due to the blocking of the cutter, the swinging of the swinging screen can intermittently pull the connected steel wire rope, when the steel wire rope pulls the cutter, the cutter moves upwards, the pressing plate can push the material to extend out of the compacting groove, when the cutter loses the pulling force of the steel wire rope, the cutter rapidly blocks the extending material under the action of self weight, the compacted material can save space, and the blocked material is convenient to stack and transport; the compacted material is cut into blocks under the linkage action by utilizing the screening action of the swing screen, so that the material is convenient to transport and collect; the cutter is guided and limited by the guide rail, so that the cutter can effectively cut compacted materials below, and the cutter can move up and down smoothly by the aid of the freely rolling balls.
3. When the heating strips dry materials, redundant water vapor is discharged into the corresponding condenser from the corrugated pipe at the top, liquid is formed after condensation and falls into the liquid storage device from the liquid outlet pipe, and then the liquid is pumped into the atomizing nozzle to be sprayed out.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram according to an embodiment of the present invention.
Fig. 2 is a schematic three-dimensional structure diagram of another angle according to an embodiment of the present invention.
Fig. 3 is a schematic front view of fig. 2 according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view of A-A of FIG. 3 according to an embodiment of the present invention.
Fig. 5 is a schematic diagram illustrating a positional relationship between a drying mechanism and a screen in an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a heating strip in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit 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.
The invention provides a hermetia illucens screening device as shown in figures 1-6,
the screen comprises a swing screen 1, wherein a motor driving part 2 is arranged at the bottom of the swing screen 1, a plurality of layers of screen meshes 3 are arranged on the swing screen 1, a discharge hole 4 corresponding to each layer of screen mesh 3 is formed in the outer side of the swing screen 1, and the mesh number of the screen meshes 3 is gradually increased from top to bottom;
the drying mechanism 5 is arranged inside the swing screen 1 and can dry materials on the screen 3. The rocking screen 1 is prior art, and thus the internal structure of the rocking screen 1 will not be described in detail; when the heisui river horsefly sieves, because the material ration of raising in the earlier stage is unreasonable, lead to remaining material when the larva sieves too much, and remaining material combines together with the worm excrement and causes humidity and viscosity big, block up the mesh of screen cloth 3 easily, the influence is swayd the sieve and is used, in order to solve this problem, this application is through setting up drying mechanism 5, let drying mechanism 5 dry the material in the screening, make the partial moisture of material desorption, the reciprocal sieve of screen cloth 3 moves down the breakage and becomes the fritter, thereby play and prevent that the material from blockking up the effect of screen cloth 3, the application range of swaying the sieve has been enlarged, the screening performance of swaying the sieve obtains the reinforcing.
Further, the drying mechanism 5 comprises a heating strip 51, the heating strip 51 is arranged on the screen 3, the heating strip 51 is arranged in an arc shape, and a cavity 52 is arranged inside the heating strip 51;
the cavity 52 is communicated with an external air supply device, a plurality of air nozzles 53 are arranged on one side face of the cavity 52 facing the center of the screen 3, and one-way valves are arranged inside the air nozzles 53. When the device is used, the control end of the swing screen 1 starts the motor driving part 2 to drive the swing screen 1 to perform screening action, the screen cloth 3 is provided with two layers, three layers or four layers, the drying mechanism 5 is arranged on the screen cloth 3 every time, as the aperture of the screen cloth 3 is gradually reduced from top to bottom, the screen cloth 3 at the uppermost layer and the screen cloth 3 at the lowermost layer can screen out oversize and oversize materials, and the middle part is screened out to be larvae; when the swing screen 1 works, the control end controls the heating strip 51 to be electrified to generate heat, meanwhile, air supply equipment such as an air pump or an air compressor is used for supplying air to the cavity 52 in the heating strip 51 through the flexible pipe, the heating strip 51 is used for heating the air and then the air is sprayed out from the air nozzle 53 by overcoming the pressure of the one-way valve, the material is dried, and the effect of preventing the material from being stuck and blocking the screen 3 is achieved;
because the oscillating screen 1 simulates the action of manual screening, the material in the middle is gradually dispersed to the periphery, the hot gas sprayed by the air nozzles 53 distributed on the inner sides of the heating strips 51 can dry the material in the center of the screen 3, so that the material is fully dried, the middle and the edge of the screen 3 are actually separated by matching with the heating strips 51 arranged in an arc shape, and only the material just thrown out from the inner sides of the heating strips 51 can reach the edge of the screen 3 and is gradually discharged from the corresponding discharge port 4; on one hand, the time for drying the materials in the middle is increased, so that the materials are fully dried, and the problem of blockage of the screen 3 is reduced as much as possible; the less material of on the other hand granule falls the one deck down, the material at middle part can reduce gradually along with the increase of screening time, air nozzle 53 spun hot gas is jet-propelled at air feeder's effect intermittent type down, when no gas blowout, great material can be strikeed with heating strip 51 under the sieve action of rocking sieve 1, thereby the breakage becomes the fritter, reduce because the material leads to the problem that is difficult to the screening out with the larva volume is similar, make the screening out reduce as far as possible the material that is mingled with in the larva of collection, it can obtain whole larva to need not the secondary screening, the screening efficiency is improved.
A collecting mechanism 6 is arranged on the outer side of the swing sieve 1, the collecting mechanism 6 comprises a collecting box 61, a collecting groove 62 is formed in the position, corresponding to the discharge hole 4, of the collecting box 61, a plurality of guide inclined plates 63 are obliquely arranged in the collecting box 61, the middle parts of the guide inclined plates 63 correspond to the collecting groove 62, and the guide inclined plates 63 are arranged in parallel;
the bottom of the collecting box 61 is provided with a compaction groove 64, one side of the compaction groove 64 penetrates through the collecting box 61 to be communicated with the outside, the top of the other side of the compaction groove 64 is provided with an opening, and the opening extends upwards to a plurality of guide inclined plates 63 to form a collecting channel 65;
the compacting groove 64 is characterized in that one end of the compacting groove 64 is fixedly provided with an extruding component 7, the extruding component 7 comprises a pressing plate 71, the pressing plate 71 is slidably arranged in the compacting groove 64, and one side of the pressing plate 71, which is back to the compacting groove 64, is fixedly provided with a telescopic cylinder 72. The material of deriving on discharge gate 4 gets into to collect tank 62 in, and collecting tank 62 corresponds with direction swash plate 63, therefore the material is unified to get into to collect the passageway 65 from direction swash plate 63 in, finally falls into in the compaction groove 64, and the control end control hydraulic pressure of rocking screen 1 or pneumatic telescoping cylinder 72 reciprocating motion to promote clamp plate 71 and reciprocate the opposite side of squeezing compaction groove 64 with the material that falls, realized the concentrated propelling movement and the collection to waste material, make things convenient for the reutilization when saving space.
A cutting block assembly 8 is arranged on one side, away from the telescopic cylinder 72, of the compaction groove 64, the cutting block assembly 8 comprises a cutter 81, the top of the cutter 81 is fixedly connected with one end of a steel wire rope 82, and the other end of the steel wire rope 82 is connected to the outer side wall of the swing screen 1 in a ball joint mode;
a guide wheel 83 is rotatably arranged on the side wall of the collecting box 61, and the steel wire rope 82 is wound on the guide wheel 83;
the side wall of the collecting box 61 is provided with a guide rail 84, two sides of the cutter 81 are provided with a plurality of balls, and the cutter 81 is arranged on the guide rail 84. In the process that the pressing plate 71 pushes the materials, the materials are compacted due to the blocking of the cutter 81, the swinging of the swinging screen 1 intermittently pulls the connected steel wire rope 82, when the steel wire rope 82 pulls the cutter 81, the cutter 81 moves upwards, the pressing plate 71 pushes the materials to extend out of the compacting groove 64, when the cutter 81 loses the pulling force of the steel wire rope 82, the cutter 81 rapidly blocks the extended materials under the action of self weight, the compacted materials can save space, and the blocked materials are convenient to stack and transport; the compacted material is cut into pieces under the linkage action by utilizing the screening action of the swing screen 1, so that the material is convenient to transport and collect; the cutter 81 is guided and limited by the guide rail 84, so that the cutter 81 is effectively cut the compacted material below, and the cutter 81 can move up and down smoothly by the aid of the freely rolling balls.
One side of the top of the swing screen 1 is connected with a corrugated pipe 9, the end part of the corrugated pipe 9 is communicated with the top of a treatment box, a condenser 10 is arranged in the treatment box, and an air outlet pipe is arranged on one side of the condenser 10;
the drain pipe below of condenser 10 is equipped with reservoir 11, reservoir 11 communicates with the pump through the pipeline, the outlet end of pump passes through the pipeline and is connected with atomizing nozzle 12, atomizing nozzle 12 is located compaction groove 64 top, and atomizing nozzle 12 is towards collecting channel 65. When the heating strip 51 is dried the material, unnecessary vapor is discharged corresponding condenser 10 from bellows 9 at top in, form liquid and fall into reservoir 11 from the drain pipe after the condensation in, spout in getting atomizing nozzle 12 through the pump subsequently, because atomizing nozzle 12 is just right with collection passageway 65, consequently, the atomizing water can enter into the material, thereby the humidity of waste material has been increased, make in compacting groove 64 of below waste material can be better by the compaction, the waste utilization to vapor has been realized, the compaction degree of the waste material of screening out has been improved simultaneously.
The heating strips 51 are provided with flanging parts 13 at the tops, and the flanging parts 13 are obliquely arranged upwards and extend towards the center of the screen 3. Through the arranged flanging part 13, the height of the heating strip 51 is increased, so that the materials screened in the middle of the screen 3 cannot easily jump out of the inner side of the heating strip 51, the material screening time is prolonged, and the material screening precision is improved; when the air nozzle 53 does not spray air, the contact area of the larger material and the heating strip 51 is increased, the probability that the larger material impacts the heating strip 51 and is crushed into small pieces is increased, the material with the same volume as the larva is screened out as soon as possible, and the screening precision and efficiency are improved.
The black soldier fly screening method adopts the black soldier fly screening device.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The black soldier fly screening device comprises a swing screen (1), wherein a motor driving part (2) is arranged at the bottom of the swing screen (1), a plurality of layers of screen meshes (3) are arranged on the swing screen (1), a discharge hole (4) corresponding to each layer of screen mesh (3) is formed in the outer side of the swing screen (1), and the mesh number of the screen meshes (3) is gradually increased from top to bottom;
the method is characterized in that: the drying mechanism (5) is arranged inside the swing sieve (1) and can dry materials on the screen (3).
2. The black soldier fly screening device of claim 1, wherein: the drying mechanism (5) comprises heating strips (51), the heating strips (51) are arranged on the screen (3), the heating strips (51) are arranged in an arc shape, and cavities (52) are arranged in the heating strips (51);
cavity (52) and external air supply equipment intercommunication, cavity (52) are provided with a plurality of air nozzles (53) towards one side at screen cloth (3) center, air nozzle (53) inside is equipped with the check valve.
3. The black soldier fly screening device of claim 1 or 2, wherein: a collecting mechanism (6) is arranged on the outer side of the swing sieve (1), the collecting mechanism (6) comprises a collecting box (61), a collecting tank (62) is arranged at a position, corresponding to the discharge hole (4), of the collecting box (61), a plurality of guide inclined plates (63) are obliquely arranged in the collecting box (61), the middle parts of the guide inclined plates (63) correspond to the collecting tank (62), and the guide inclined plates (63) are arranged in parallel;
the bottom of the collecting box (61) is provided with a compaction groove (64), one side of the compaction groove (64) penetrates through the collecting box (61) to be communicated with the outside, the top of the other side of the compaction groove (64) is provided with an opening, and the opening extends upwards to a plurality of guide inclined plates (63) to form a collecting channel (65);
compaction groove (64) one end fixed mounting has extrusion subassembly (7), extrusion subassembly (7) are including clamp plate (71), clamp plate (71) slidable mounting is in compaction groove (64), one side that clamp plate (71) kept away from compaction groove (64) is fixed with telescoping cylinder (72).
4. The black soldier fly screening device of claim 2, wherein: a cutting block assembly (8) is arranged on one side, away from the telescopic cylinder (72), of the compaction groove (64), the cutting block assembly (8) comprises a cutter (81), the top of the cutter (81) is fixedly connected with one end of a steel wire rope (82), and the other end of the steel wire rope (82) is connected to the outer side wall of the swing screen (1) in a ball joint mode;
a guide wheel (83) is rotatably arranged on the side wall of the collecting box (61), and the steel wire rope (82) is wound on the guide wheel (83);
the side wall of the collection box (61) is provided with a guide rail (84), two sides of the cutter (81) are provided with a plurality of balls, and the cutter (81) is installed on the guide rail (84).
5. The black soldier fly screening device of claim 3, wherein: one side of the top of the swing screen (1) is connected with a corrugated pipe (9), the end part of the corrugated pipe (9) is communicated with the top of a treatment box, a condenser (10) is arranged in the treatment box, and an air outlet pipe is arranged on one side of the condenser (10);
the drain pipe below of condenser (10) is equipped with reservoir (11), reservoir (11) communicate with the pump through the pipeline, the delivery port of pump passes through the pipeline and is connected with atomizing nozzle (12), atomizing nozzle (12) are located compaction groove (64) top, and atomizing nozzle (12) orientation collection passageway (65).
6. The black soldier fly screening device of claim 2, wherein: the top of the heating strip (51) is provided with a flanging part (13), and the flanging part (13) is obliquely arranged upwards and extends towards the center of the screen (3).
7. The method for screening the hermetia illucens is characterized by comprising the following steps: the method for screening black soldier fly screening device according to any one of claims 1-6.
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