CN115055369B - 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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- CN115055369B CN115055369B CN202210699598.2A CN202210699598A CN115055369B CN 115055369 B CN115055369 B CN 115055369B CN 202210699598 A CN202210699598 A CN 202210699598A CN 115055369 B CN115055369 B CN 115055369B
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- screen
- screening
- collecting
- groove
- heating strip
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- 238000012216 screening Methods 0.000 title claims abstract description 54
- 241000709785 Hermetia illucens Species 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 36
- 238000005056 compaction Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000007873 sieving Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 210000003608 fece Anatomy 0.000 description 3
- 239000010871 livestock manure Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 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
- 238000001914 filtration Methods 0.000 description 1
Classifications
-
- 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 swinging screen, a motor driving part is arranged at the bottom of the swinging screen, a plurality of layers of screens are arranged on the swinging screen, discharge holes corresponding to each layer of screens are arranged on the outer side of the swinging screen, and the mesh number of the screens 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. In order to solve the problem, the invention adopts the drying mechanism to dry the sieved materials, so that partial moisture is removed from the materials, and the materials are crushed into small blocks under the reciprocating sieving action of the sieve, thereby playing the role of preventing the materials from blocking the sieve.
Description
Technical Field
The invention belongs to the technical field of hermetia illucens cultivation, and particularly relates to a hermetia illucens screening device and a screening method thereof.
Background
The black soldier fly culture moves to scale along with the progress of technology, and the conventional artificial culture has too large investment on labor cost and cannot expand the scale, so that more and more mechanical equipment is used in the black soldier fly culture; after the larvae grow, the larvae, materials and the worm manure need to be screened and separated, and the screening equipment used is divided into a swinging screen, a vibrating screen and a cylinder screen; the swinging screen is high-precision screening equipment simulating manual screening, and the swinging screen highly simulates the manual screening to enable materials to be continuously and uniformly screened.
The specific work flow of the circular swinging sieve is as follows: when the material enters the screen surface, the material uniformly diffuses from the screen surface to the periphery, the high-frequency words slightly jump and rotationally move, the whole process can be understood as three-dimensional rolling motion of level and jump, small-particle materials can enter the next screen surface, large particles can be repelled at a discharge hole of the screen surface due to incapability of filtering, and the whole screening process of the material is completed.
However, when the hermetia illucens is screened, excessive residual materials are caused by unreasonable feeding material ration in the early stage, and the residual materials and the worm manure are combined together to cause high humidity and viscosity, if the hermetia illucens is screened by adopting a circular swinging screen, the meshes of the screen are easy to block, so that the circular swinging screen is limited in use and can only be screened manually; and the waste materials with the volume similar to that of the hermetia illucens larvae cannot be screened out, and can be screened for only a second time, so that the screening efficiency is low.
Disclosure of Invention
The invention aims to provide a hermetia illucens screening device and a screening method thereof, which solve the problems that excessive materials are left during larva screening due to unreasonable feeding of feed materials in the early stage during screening of hermetia illucens, and the humidity and viscosity are high due to the fact that the left materials are combined with worm manure, if the hermetia illucens is screened by adopting a circular swinging screen, meshes of the screen are easy to block, and the circular swinging screen cannot be used and can only be manually screened; and the waste materials with the volume similar to that of the hermetia illucens larvae can not be screened out, and can be screened for a second time, so that the problem of low screening efficiency is caused.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the hermetia illucens screening device comprises a swinging screen, wherein a motor driving part is arranged at the bottom of the swinging screen, a plurality of layers of screens are arranged on the swinging screen, discharge holes corresponding to each layer of screens are arranged on the outer side of the swinging screen, and the mesh number of the screens 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, the heating strip is arranged in an arc shape, and a cavity is formed in the heating strip;
the cavity is communicated with external air supply equipment, a plurality of air nozzles are arranged on one side face, facing the center of the screen, of the cavity, and one-way valves are arranged inside the air nozzles.
Preferably, a collecting mechanism is arranged on the outer side of the swinging sieve, the collecting mechanism comprises a collecting box, a collecting groove is formed in the position, corresponding to the discharge hole, of the collecting box, a plurality of guide inclined plates are obliquely arranged in the collecting box, the middle of each guide inclined plate corresponds to the collecting groove, and the guide inclined plates are arranged in parallel;
the bottom of the collecting box is provided with a compacting groove, one side of the compacting groove penetrates through the collecting box and is communicated with the outside, the top of the other side of the compacting 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 one end fixed mounting has extrusion subassembly, extrusion subassembly includes the clamp plate, clamp plate slidable mounting is in the compaction groove, the clamp plate deviates from one side of compaction groove and is fixed with the telescopic cylinder.
Preferably, a dicing assembly is arranged on one side of the compaction groove, which is away from the telescopic cylinder, and comprises a cutter, wherein 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 in ball joint with the outer side wall of the swinging sieve;
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 arranged on the guide rail. Preferably, one side of the top of the swinging sieve is connected with a corrugated pipe, the end part of the corrugated pipe is communicated with the top of the treatment box, a condenser is arranged in the treatment box, and an air outlet pipe is arranged at one side of the condenser;
the drain pipe below of condenser is equipped with the reservoir, the reservoir is linked together through pipeline and pump, the exit end of pump passes through the pipeline and is connected with atomizing nozzle, atomizing nozzle is located compaction groove top, and atomizing nozzle orientation collecting channel.
Preferably, the top of the heating strip is provided with a flanging part, and the flanging part is obliquely upwards arranged and extends towards the center of the screen.
A hermetia illucens screening method using the hermetia illucens screening device according to any one of the above.
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 material at the center of the screen is dried through the hot air sprayed by the air nozzles distributed on the inner side of the heating strip, so that the material is sufficiently dried, the middle part of the screen is actually separated from the edge by matching with the arc-shaped heating strip, and only the material thrown from the inner side of the heating strip can reach the edge of the screen and be gradually discharged from the corresponding discharge hole; on one hand, the time for drying the material in the middle part is increased, so that the material is sufficiently dried, and the problem of screen blockage is reduced as much as possible; on the other hand, the smaller material of granule falls to next floor, and the material at middle part can reduce gradually along with screening time's growth, and air nozzle spun hot gas is jet-propelled under air feeder's effect intermittent type, when no gas blowout, great material can strike with the heating strip under the sieve action of rocking screen to broken into the fritter, reduce because the material is similar with the larva volume and lead to the problem that is difficult to screening out, make the material that is mingled with in screening out the larva of collecting reduce as far as, need not the secondary screening and can obtain whole larva, improved screening efficiency.
2. In the process of pushing materials by the pressing plate, the compaction of the materials can be realized due to the blocking of the cutter, the rocking of the rocking screen intermittently pulls the connected steel wire rope, when the cutter is pulled by the steel wire rope, the cutter moves upwards, at the moment, the pressing plate pushes the materials to extend out of the compaction groove, when the cutter loses the pulling force of the steel wire rope, the cutter cuts the extended materials rapidly under the action of dead weight, the compacted materials can save space, and the materials in blocks are convenient to stack and transport; the compacted materials are cut by utilizing the screening action of the swinging screen, and the transportation and collection of the materials are facilitated; the guiding and limiting of the cutter are realized through the arrangement of the guide rail, so that the cutter is guaranteed to effectively cut the compacted materials below, and the freely rolling ball can enable the cutter to move up and down more smoothly.
3. When the heating strip dries 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 of an embodiment of the present invention.
Fig. 2 is a schematic three-dimensional structure of another angle according to an embodiment of the present invention.
Fig. 3 is a front view schematically illustrating the embodiment of the present invention shown in fig. 2.
FIG. 4 is a cross-sectional view of A-A of FIG. 3 in accordance with an embodiment of the present invention.
Fig. 5 is a schematic diagram showing a positional relationship between a drying mechanism and a screen in an embodiment of the present invention.
FIG. 6 is a schematic diagram of a heating strip according to an embodiment of the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a hermetia illucens screening device as shown in figures 1-6,
the vibrating screen comprises a vibrating screen 1, wherein a motor driving part 2 is arranged at the bottom of the vibrating screen 1, a plurality of layers of screens 3 are arranged on the vibrating screen 1, a discharge hole 4 corresponding to each layer of screens 3 is arranged on the outer side of the vibrating screen 1, and the mesh number of the screens 3 is gradually increased from top to bottom;
the swing sieve 1 is internally provided with a drying mechanism 5 which can dry the materials on the screen 3. The rocking screen 1 is a prior art, and thus the internal structure of the rocking screen 1 will not be described in detail; when the hermetia illucens sieves, because the feed material ration in earlier stage is unreasonable, result in excessive material of surplus when the larva sieves, and the surplus material combines together with worm excrement and cause humidity and viscosity big, the mesh of jam screen cloth 3 easily influences the use of rocking screen, 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 for material desorption part moisture, broken into the fritter under the reciprocating screen of screen cloth 3 moves, thereby play the effect that prevents material jam screen cloth 3, the application range of rocking screen has been enlarged, the screening performance of rocking screen is strengthened.
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 external air supply equipment, a plurality of air nozzles 53 are arranged on one side surface of the cavity 52, which faces the center of the screen 3, and one-way valves are arranged inside the air nozzles 53. When the vibrating screen 1 is used, the control end of the vibrating screen 1 starts the motor driving part 2 to drive the vibrating screen 1 to perform screening action, the screen 3 is provided with two layers, three layers or four layers, and each time the screen 3 is provided with the drying mechanism 5, the aperture of the screen 3 is gradually reduced from top to bottom, so that the screen 3 at the uppermost layer and the screen 3 at the lowermost layer can screen out oversized and undersized materials, and the middle part screens out larvae; when the swinging screen 1 works, the control end controls the heating strip 51 to be electrified to generate heat, and simultaneously air is supplied to the cavity 52 in the heating strip 51 through the flexible pipe by using air supply equipment such as an air pump or an air compressor, and air is heated by the heating strip 51 and then is pressurized and sprayed out from the air nozzle 53 by overcoming the check valve, so that the material is dried, and the effect of preventing the material from being stuck and blocking the screen 3 is achieved;
because the swinging screen 1 imitates the action of manual screening, the materials in the middle part are gradually dispersed to the periphery, so that the hot air sprayed by the air nozzles 53 distributed on the inner side of the heating strip 51 can dry the materials in the center of the screen 3, the materials are sufficiently dried, the middle part of the screen 3 is practically separated from the edge by matching with the heating strip 51 arranged in an arc shape, and only the materials just thrown out from the inner side of the heating strip 51 can reach the edge of the screen 3 and be gradually discharged from the corresponding discharge port 4; on one hand, the time for drying the material in the middle part is increased, so that the material is sufficiently dried, and the problem of blocking of the screen 3 is reduced as much as possible; on the other hand, the smaller material of granule falls to next floor, the material in middle part can reduce gradually along with screening time's growth, air jet 53 spun hot gas is jet-propelled under air feeder's effect intermittent type, when no gas blowout, great material can strike with heating strip 51 under the sieve action of rocking screen 1 to broken into the fritter, reduce because the material is similar with the larva volume and lead to the problem that is difficult to screening out, make the material that is mingled with in screening out the larva of collecting reduce as far as, need not the secondary screening and can obtain whole larva, screening efficiency has been improved.
The outside of the swinging screen 1 is provided with a collecting mechanism 6, 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 part of each guide inclined plate 63 corresponds 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 compacting groove 64, one side of the compacting groove 64 penetrates through the collecting box 61 and is communicated with the outside, the top of the other side of the compacting 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;
one end of the compaction groove 64 is fixedly provided with a squeezing assembly 7, the squeezing assembly 7 comprises a pressing plate 71, the pressing plate 71 is slidably arranged in the compaction groove 64, and a telescopic cylinder 72 is fixed on one side of the pressing plate 71 away from the compaction groove 64. The material that derives on discharge gate 4 enters into collecting vat 62, and collecting vat 62 corresponds with direction swash plate 63, and consequently the material is unified to get into in collecting channel 65 from direction swash plate 63, finally falls into compaction groove 64, sways the control end control hydraulic pressure of sieve 1 or pneumatic telescopic cylinder 72 reciprocating motion to promote the opposite side of compaction groove 64 of the reciprocal extrusion of material that the clamp plate 71 will fall, realized concentrating the propelling movement and collecting the waste material, make things convenient for the reutilization in the time of saving space.
The compaction groove 64 is provided with a dicing assembly 8 at one side away from the telescopic cylinder 72, the dicing 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 in ball joint with the outer side wall of the swinging screen 1;
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 mounted on the guide rail 84. In the process of pushing the materials by the pressing plate 71, due to the blocking of the cutter 81, the compaction of the materials can be realized, the connected steel wire ropes 82 can be intermittently pulled by shaking of the swinging sieve 1, when the cutter 81 is pulled by the steel wire ropes 82, the cutter 81 moves upwards, at the moment, the pressing plate 71 pushes the materials to extend out of the compaction groove 64, when the pulling force of the steel wire ropes 82 is lost by the cutter 81, the cutter 81 cuts the extended materials into blocks under the action of dead weight, the compacted materials can save space, and the blocked materials are convenient to stack and transport; the compacted materials are cut into pieces under the linkage action by utilizing the screening action of the swinging screen 1, so that the materials are convenient to transport and collect; the guiding and limiting of the cutter 81 are realized through the arrangement of the guide rail 84, so that the cutter 81 is guaranteed to effectively cut the compacted materials below, and the freely rolling balls can enable the cutter 81 to move up and down more smoothly.
One side of the top of the swinging 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 is linked together through the pipeline and is linked together with the pump, the exit 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 orientation collecting channel 65. When the heating strip 51 dries the material, the redundant vapor is discharged from the corrugated pipe 9 at the top into the corresponding condenser 10, liquid is formed after condensation and falls into the liquid storage 11 from the liquid outlet pipe, and then the liquid is pumped into the atomizing nozzle 12 to be sprayed out, and the atomizing nozzle 12 is opposite to the collecting channel 65, so that atomized water can enter the material, the humidity of the waste material is increased, the waste material in the compacting groove 64 below can be compacted better, the waste utilization of the vapor is realized, and meanwhile, the compacting degree of the sieved waste material is improved.
The top of the heating strip 51 is provided with a flanging part 13, and the flanging part 13 is obliquely upwards arranged and extends towards the center of the screen 3. The height of the heating strip 51 is increased through the flanging part 13, 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 increased, and the material screening precision is improved; when the air nozzle 53 does not jet air, the contact area between the larger material and the heating strip 51 is increased, the probability that the larger material is broken into small pieces by striking the heating strip 51 is increased, so that the material with the same volume as the larvae is screened out as once as possible, and the screening precision and efficiency are improved.
A hermetia illucens screening method uses the hermetia illucens screening device.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and to simplify the description, rather than to indicate or imply that the apparatus or element in question must have a specific azimuth configuration and operation, and thus should not be construed as limiting the present invention.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and 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 described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. The utility model provides a hermetia illucens screening plant, includes sways (1), sways (1) bottom and is equipped with motor drive portion (2), be equipped with multilayer screen cloth (3) on swaying (1), the outside of swaying (1) is equipped with discharge gate (4) that correspond every layer of screen cloth (3), the mesh number of screen cloth (3) increases from top to bottom gradually;
the method is characterized in that: a drying mechanism (5) is arranged in the swinging screen (1) and can dry materials on the screen (3);
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 formed in the heating strip (51);
the middle part and the edge of the screen (3) are separated by the heating strips (51) which are arranged in an arc shape, and materials thrown out from the inner side of the heating strips (51) reach the edge of the screen (3) and are gradually discharged from the corresponding discharge holes (4);
the larger material is impacted with the heating strip (51) under the action of the screen action of the swinging screen (1), so that the larger material is crushed into small pieces;
the cavity (52) is communicated with external air supply equipment, a plurality of air nozzles (53) are arranged on one side surface of the cavity (52) facing the center of the screen (3), and one-way valves are arranged inside the air nozzles (53);
the top of the heating strip (51) is provided with a flanging part (13), and the flanging part (13) is obliquely upwards arranged and extends towards the center of the screen (3).
2. A hermetia illucens screening device according to claim 1, characterized in that: the swing sieve is characterized in that 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 of each guide inclined plate (63) corresponds to the corresponding 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);
compression groove (64) one end fixed mounting has extrusion subassembly (7), extrusion subassembly (7) include clamp plate (71), clamp plate (71) slidable mounting is in compression groove (64), clamp plate (71) deviate from one side of compression groove (64) and are fixed with telescopic cylinder (72).
3. A hermetia illucens screening device according to claim 2, characterized in that: a dicing assembly (8) is arranged on one side of the compaction groove (64) away from the telescopic cylinder (72), the dicing assembly (8) comprises a cutter (81), one end of a steel wire rope (82) is fixedly connected to the top of the cutter (81), and the other end of the steel wire rope (82) is in ball joint with the outer side wall of the swinging screen (1); 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).
4. A hermetia illucens screening device according to claim 2, characterized in that: one side of the top of the swinging sieve (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 liquid outlet pipe below of condenser (10) is equipped with reservoir (11), reservoir (11) are linked together through pipeline and pump, the exit end of pump is connected with atomizing nozzle (12) through the pipeline, atomizing nozzle (12) are located compaction groove (64) top, and atomizing nozzle (12) are towards collecting channel (65).
5. A hermetia illucens screening method is characterized in that: the screening method uses the hermetia illucens screening device according to any one of claims 1-4.
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