CN110842004A - Device and method for treating organic solid waste by using hermetia illucens - Google Patents

Device and method for treating organic solid waste by using hermetia illucens Download PDF

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Publication number
CN110842004A
CN110842004A CN201911006529.3A CN201911006529A CN110842004A CN 110842004 A CN110842004 A CN 110842004A CN 201911006529 A CN201911006529 A CN 201911006529A CN 110842004 A CN110842004 A CN 110842004A
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China
Prior art keywords
feeding
black soldier
hermetia illucens
soldier fly
larvae
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CN201911006529.3A
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Inventor
郭秋月
冯铁成
王亚峰
邓扬明
张莹
刘洋
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Tus Environmental Technology Development Co Ltd
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Tus Environmental Technology Development Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00Rearing or breeding animals, not otherwise provided for; New breeds of animals
    • A01K67/033Rearing or breeding invertebrates; New breeds of invertebrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass

Abstract

The invention discloses equipment and a method for treating organic solid waste by using hermetia illucens, wherein the equipment comprises the following steps: the device comprises an organic waste pretreatment device, a pump type feeding device, a black soldier fly feeding device, a discharging device and a double screening device; the device comprises a black soldier fly feeding device, a discharging device, a pump type feeding device, a pretreatment device, a pump type feeding device, a black soldier fly feeding device, a belt conveyor and a double screening device, wherein the pretreatment device is provided with an organic waste feeding port and a pretreatment material outlet, and the pretreatment material outlet is connected with the black soldier fly feeding device, the belt conveyor of the discharging device and the double screening device in sequence. The method comprises the following steps: step one, feeding; step two, lifting the draining; step three, crushing; step four: filtering; step five, feeding; step six, throwing in larvae; step seven, biotransformation; step eight, discharging; step nine: and (6) screening. The full automation of the whole process from the organic solid waste to the insect sand is realized by the device, and the full automatic mechanized application of the black soldier fly to the organic solid waste treatment is really realized.

Description

Device and method for treating organic solid waste by using hermetia illucens
Technical Field
The invention belongs to the field of recycling of organic solid wastes, and particularly relates to equipment and a method for treating organic solid wastes by using hermetia illucens.
Background
The larvae of the hermetia illucens named as hermetia illucens feed on kitchen waste, animal excrement, animal and plant corpses and other rotten organic matters in the nature, and efficiently convert food into self nutrient substances. In addition, the hermetia illucens can be rapidly propagated, is easy to manage and is low in feeding cost. Therefore, the black soldier fly larvae are used for recycling the organic solid waste, so that the problems of resource waste and environmental pollution can be effectively solved, and the black soldier fly larvae and the generated insect sand after the organic solid waste is treated can be used for producing high-value animal feed and organic fertilizer. However, the existing hermetia illucens breeding technology is relatively extensive, is basically in the soil method breeding stage, does not have complete mechanical equipment or complete process flow design, and is difficult to achieve large-scale production.
The Chinese patent application with the publication number of CN108262337A discloses an automatic intelligent production line and a method for recycling organic waste resources by biotransformation, and the automatic intelligent production line comprises a tempering and stirring device, a lifting device, a filtering device and a pumping device, wherein the lifting device is arranged on the tempering and stirring device and is respectively communicated with the tempering and stirring device and the filtering device, the automatic intelligent production line further comprises a biological bed, a stirring device and a conveying belt one-piece double-screening device, the stirring device and the conveying belt one-piece double-screening device are used for uniformly laying and feeding black soldier fly larvae on organic waste thrown into a treatment tank in the process that a moving mechanism of the stirring device drives a stirring mechanism and a feeding mechanism to synchronously move along the treatment tank on the biological bed, and the stirring mechanism is used for turning and throwing the organic waste in the process that the black soldier fly larvae digest the organic waste.
The production line and the process method thereof realize certain automation, but still have the following problems that the moisture content of ① raw materials is not regulated before the raw materials enter a tempering tank, the growth of black soldier flies is influenced when the moisture content is too high or too low, the grain size of the raw materials is reduced by adding a microbial agent into the tempering tank, the efficiency is low, the raw materials cannot be supplied timely if the problems occur, ② a feeding mechanism of the production line adopts a spiral conveying device, the length of a biological bed is greatly limited because a feeding pipe is thin, and a spiral conveyor in the feeding mechanism cannot be overlong, and large-scale operation is not facilitated, although a ③ stirring device solves the heat dissipation problem in the process of digesting organic waste by the black soldier flies, the breeding load is increased, and the feeding of larvae is slowed down, a ④ drum sieve separates larvae which are not clean enough from worm sand and contain a large number of larvae with small volume, and the larvae cannot be separated out and can be dead due to starvation and water shortage, so that the quality of organic fertilizers in the later period is influenced.
Disclosure of Invention
Based on the problems in the prior art, the invention aims to provide equipment and a method for treating organic solid waste by using hermetia illucens, and the equipment and the method can solve the problems that the existing equipment for utilizing biotransformation of organic waste resources is low in efficiency of large-scale breeding of hermetia illucens, low in automation degree of breeding equipment, not beneficial to industrial production of hermetia illucens and the like.
The purpose of the invention is realized by the following technical scheme:
the embodiment of the invention provides equipment for treating organic solid waste by using hermetia illucens, which comprises the following components:
the device comprises an organic waste pretreatment device, a pump type feeding device, a black soldier fly feeding device, a discharging device and a double screening device; wherein the content of the first and second substances,
the pretreatment device is provided with an organic waste feeding port and a pretreatment material outlet, and the pretreatment material outlet is connected with the black soldier fly feeding device, the belt conveyor of the discharging device and the double screening device in sequence through the pump type feeding device.
The embodiment of the invention also provides a method for treating organic solid waste by using the hermetia illucens, and the equipment for treating the organic solid waste by using the hermetia illucens comprises the following steps:
step one, feeding: putting the taken organic waste into the organic waste pretreatment device through an organic waste feeding port, adding water, and uniformly stirring to enable the organic waste to reach a fluid state;
step two, draining is promoted: after being uniformly stirred, the mixture is lifted into a cutting machine by a spiral lifter, a draining process is simultaneously completed in the lifting process, when the draining water amount is less than 50 cubic meters, the mixture is pumped out by a pump for adjusting the water content of raw materials and preparing larva hatching feed, and when the draining water amount is more than 50 cubic meters, the mixture enters an external wastewater treatment system for treatment;
step three, crushing: the organic waste conveyed to the cutting machine is firstly subjected to coarse cutting, large blocks of materials are cut into small blocks, then fine cutting is carried out, and the small blocks are crushed into fine particles;
step four: and (3) filtering: filtering the crushed organic waste by a filtering device, and then feeding the organic waste into a storage device for later use;
step five, feeding: the pretreated organic waste is lifted and conveyed by a pump type feeding device, and is controlled to be discharged to a black soldier fly feeding device, and a small amount of materials are fed repeatedly;
step six, throwing in larvae: adding the 3-day-old hermetia illucens larvae into a hermetia illucens feeding device, and covering the surfaces of the raw materials;
step seven, biotransformation: the black soldier fly larvae feed on solid organic waste and undergo biotransformation in vivo to produce worm sand, and the black soldier fly larvae undergo transformation in a black soldier fly feeding device for 8-10 days;
step eight, discharging: after the larvae grow for 8-10 days, the feeding speed is basically reduced to zero, and at the moment, the black soldier fly larvae and the insect sand are scraped out of one side of the black soldier fly feeding device by using a discharging device and conveyed to a double screening device;
step nine: and screening, namely screening the conveyed hermetia illucens larvae and the conveyed insect sand sequentially through vibration and winnowing in the double screening device, and finally, respectively outputting the separated hermetia illucens larvae and the separated insect sand.
According to the technical scheme provided by the invention, the equipment and the method for treating the organic solid waste by using the hermetia illucens have the following beneficial effects that:
by arranging the organic waste pretreatment device, the organic waste is pretreated firstly, so that the moisture content and the particle size of the fed solid organic waste can be ensured to meet the standard of hermetia illucens larvae, the larvae can grow normally, and the growth environment of the larvae is good; the efficiency is high, the materials are stable, and the materials can be supplied in time; the pump type feeding device is arranged for lifting and conveying materials, so that the limitation of the spiral conveyor on the length of the culture bed is avoided, and the industrial application is facilitated; the heat generated by the hermetia illucens larvae in the feeding process can be reduced by the feeding mode of the pump type feeding device, so that the complexity caused by turning over is avoided, the hermetia illucens larvae are ensured to be always in the optimal growth environment, the hermetia illucens grow better and faster, and the efficiency of industrial hermetia illucens culture is improved; the double screening devices can be used for screening in two screening modes, so that the screening efficiency is greatly improved, and the black soldier fly larvae and the insect sand are more thoroughly separated; the equipment and the method realize the automation of the whole process from the organic solid waste to the insect sand, the organic solid waste can directly enter the process flow for treatment without external pretreatment no matter the size, the dryness and the wetness, and the full-automatic mechanized application of the black soldier fly to the treatment of the organic solid waste is really realized.
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 description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an apparatus for processing organic solid waste by using hermetia illucens according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for treating organic solid waste with hermetia illucens according to an embodiment of the present invention;
the parts corresponding to each mark in the figure are: 1-an organic waste pretreatment device; 11-a receiving hopper; 12-a draining and lifting device; 121-a spiral elevator; 122-a reservoir; 123-a wastewater output pump; 13-a cutter; 14-a vertical crusher; 15-a filtration device; 16-a storage device; 2-a pump type feeding device; 21-a plunger pump; 22-a gas valve; 3-black soldier fly breeding device; 4-a discharging device; 41-a scraping mechanism; 42-a belt conveyor; 5-double screening device; 51-a winnowing machine; 52-a vibrating screen; 6-organic waste transport vehicle; 7-a wastewater treatment system;
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the specific contents of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides an apparatus for treating organic solid waste with hermetia illucens, comprising:
the device comprises an organic waste pretreatment device, a pump type feeding device, a black soldier fly feeding device, a discharging device and a double screening device; wherein the content of the first and second substances,
the pretreatment device is provided with an organic waste feeding port and a pretreatment material outlet, and the pretreatment material outlet is connected with the black soldier fly feeding device, the belt conveyor of the discharging device and the double screening device in sequence through the pump type feeding device.
In the above apparatus, the organic waste pretreatment device comprises: the device comprises a receiving pool, a draining and lifting device, a crushing device, a filtering device and a storing device; wherein the content of the first and second substances,
the receiving tank is integrally of an inverted cone structure, and a stirring mechanism is arranged in the receiving tank; the upper part of the receiving pool is provided with a feeding opening, and the lower part of the receiving pool is provided with a material outlet;
the material outlet of the receiving pool is connected with the crushing device, the filtering device and the storing device in sequence through the draining and lifting device, and the storing device is provided with the pre-processing material outlet.
Among the above-mentioned equipment, waterlogging caused by excessive rainfall hoisting device includes: the device comprises a lifting pipe, a spiral elevator, a liquid storage tank and a sewage output pump; wherein the content of the first and second substances,
the lifting pipe is connected with a material outlet of the material receiving tank, the bottom of the lifting pipe is provided with a plurality of through holes and a liquid collecting device, and the liquid collecting device is connected with the liquid storage tank;
the material outlet of the receiving pool is connected with the spiral elevator, and the tail end of the spiral elevator is provided with the material conveying outlet connected with the crushing device;
the liquid storage tank is arranged below the spiral elevator, the liquid storage tank is connected with the sewage output pump through a pipeline, and the sewage output pump is connected to an external sewage treatment system and the material receiving tank through pipelines respectively.
In the above apparatus, the crushing apparatus includes: the device comprises a cutting machine, a horizontal spiral conveying mechanism and a vertical crusher; wherein the content of the first and second substances,
an inlet of the cutting machine is connected with a material conveying and feeding outlet of the draining and lifting device;
the outlet of the cutting machine is connected with the vertical crusher through the horizontal spiral conveying mechanism;
the bottom of the vertical crusher is provided with an outlet, and the outlet is connected with the filtering device through a pipeline provided with a delivery pump.
In the equipment, the filtering device is respectively provided with an unqualified material outlet and a qualified material outlet, the unqualified material outlet is connected to the inlet of the crushing device through a pipeline, and the qualified material outlet is connected with the material storage device.
Among the above-mentioned equipment, pump formula loading attachment includes:
the plunger pump and at least one material conveying pipe provided with an air valve; wherein the content of the first and second substances,
the plunger pump is respectively connected with the material conveying pipes provided with the air valves through pipelines, and each material conveying pipe provided with an air valve is correspondingly laid above the breeding bed of the black soldier fly breeding device.
In the device, the black soldier fly breeding device is provided with at least one layer of breeding bed, each layer of breeding bed is of a rectangular groove structure, a sliding groove is arranged above a side plate of the rectangular groove structure, and a rack matched with a scraping mechanism of the discharging device is arranged on the sliding groove;
the discharging device comprises: a scraping mechanism and a belt conveyor; wherein, scrape the material mechanism set up in the black soldier fly device of raising, this scrape the material mechanism and include: the scraper plate is arranged in the direction parallel to the long edge of a breeding bed of the black soldier fly breeding device and can move in the direction of the long edge of the breeding bed; the motor is arranged on the scraper, the gear is arranged on a power output shaft of the motor, and the gear is meshed with the rack arranged on the black soldier fly breeding device; the motor can drive the gear to rotate, and then drives the scraper blade along the rack and follow breed the long limit direction of bed and remove, realize scraping the material.
The double-screening device consists of a winnowing machine and a vibrating screen which are connected in sequence.
In the equipment, the number of the culture beds is 1-5.
Referring to fig. 2, an embodiment of the present invention further provides a method for processing organic solid waste by using hermetia illucens, and the apparatus for processing organic solid waste by using hermetia illucens described above includes the following steps:
step one, feeding: putting the taken organic waste into the organic waste pretreatment device through an organic waste feeding port, adding water, and uniformly stirring to enable the organic waste to reach a fluid state;
step two, draining is promoted: after being uniformly stirred, the mixture is lifted into a cutting machine through a spiral lifter, the draining process is simultaneously completed in the lifting process, the part with the draining water amount less than 50 cubic meters is pumped out by a pump for adjusting the water content of raw materials and preparing larva hatching feed, and the part with the draining water amount more than 50 cubic meters enters an external wastewater treatment system for treatment;
step three, crushing: the organic waste conveyed to the cutting machine is firstly subjected to coarse cutting, large blocks of materials are cut into small blocks, then fine cutting is carried out, and the small blocks are crushed into fine particles;
step four: and (3) filtering: filtering the crushed organic waste by a filtering device, and then feeding the organic waste into a storage device for later use;
step five, feeding: the pretreated organic waste is lifted and conveyed by a pump type feeding device, and is controlled to be discharged to a black soldier fly feeding device, and a small amount of materials are fed repeatedly;
step six, throwing in larvae: adding the 3-day-old hermetia illucens larvae into a hermetia illucens feeding device, and covering the surfaces of the raw materials;
step seven, biotransformation: the black soldier fly larvae feed on solid organic waste and undergo biotransformation in vivo to produce worm sand, and the black soldier fly larvae undergo transformation in a black soldier fly feeding device for 8-10 days;
step eight, discharging: after the larvae grow for 8-10 days, the feeding speed is basically reduced to zero, and at the moment, the black soldier fly larvae and the insect sand are scraped out of one side of the black soldier fly feeding device by using a discharging device and conveyed to a double screening device;
step nine: and screening, namely screening the conveyed hermetia illucens larvae and the conveyed insect sand sequentially through vibration and winnowing in the double screening device, and finally, respectively outputting the separated hermetia illucens larvae and the separated insect sand.
The embodiments of the present invention are described in further detail below.
The embodiment of the invention provides equipment for treating organic solid waste by utilizing hermetia illucens, which comprises the following steps: the device comprises an organic waste pretreatment device, a pump type feeding device, a black soldier fly feeding device, a discharging device and a double screening device which are sequentially connected; wherein the preprocessing device comprises: the device comprises a draining lifting device, a crushing device, a filtering device and a material storage device; the draining and lifting device comprises: the device comprises a receiving pool, a spiral elevator and a liquid storage pool; the spiral elevator is connected with the receiving tank and the crushing device, and the liquid storage tank is connected below the spiral elevator; the filtering device is connected with the crushing device and the material storage device; the device is raised to pump formula loading attachment connection organic waste preprocessing device and heisui river horsefly, and heisui river horsefly is raised and is equipped with discharging device's scraping mechanism on the device, scrapes the conveyer belt that delivers to belt conveyor with the larva after the completion of digestion and worm excrement, and dual screening plant is connected to the other one end of conveyer belt.
The receiving tank is integrally an inverted cone frustum body, is provided with a feeding opening and is internally provided with a stirring mechanism.
The draining and lifting device comprises: the device comprises a lifting pipe, a spiral lifting machine and a liquid storage tank, wherein a plurality of small holes are formed in the bottom of the lifting pipe and are connected with a liquid collecting device, and the liquid collecting device is connected with the liquid storage tank arranged below the spiral lifting machine and used for collecting liquid drained.
The liquid storage tank is a rectangular mechanism, and one side of the liquid storage tank is connected with a sewage output pump.
The crushing device adopts a cutting machine and a vertical crusher to jointly crush, the cutting machine is used for cutting large materials into small materials, and the vertical crusher is used for further crushing the large materials into fine particles. The vertical crusher is connected with a filtering device, and unqualified substances are filtered out and returned to the crusher for continuous crushing.
The pump type feeding device comprises a lifting conveying device and a feeding control device. The conveying and lifting device adopts a plunger pump, a plurality of air valves are installed on a conveying pipeline above the black soldier fly raising device, and the air valves are used for controlling discharging.
The hermetia illucens breeding device adopts a breeding bed which is a cuboid and comprises a bottom plate and a side plate, wherein a sliding groove is formed above the side plate, a rack is arranged on the sliding groove, and the rack is matched with a gear on a scraping mechanism to rotate; the number of layers of the culture bed is 1-5.
Foretell discharging device mainly adopts scraping mechanism, and it is arranged in black soldier fly feeding device, including scraper blade and motor, the scraper blade is along removing in a parallel with the long limit direction of breed bed, the motor is arranged in on the scraper blade mobile device.
The double screening device mainly comprises: winnowing machine and shale shaker, the worm sand that needs the screening is carried through belt conveyor, carries out the coarse screening through the shale shaker earlier, and the rethread winnowing machine is further screened to the worm sand that contains the larva, belt conveyor connects heisui river horsefly and raises device discharge gate and shale shaker.
The embodiment of the invention also provides a method for treating organic solid waste by using the hermetia illucens, and the equipment for treating organic solid waste by using the hermetia illucens comprises the following steps:
step one, feeding: the organic waste is put into a feeding tank with a stirring device through a feeding port, and water is added to be uniformly stirred so as to reach a fluid state.
Step two, draining is promoted: after being uniformly stirred, the mixture is lifted into a cutting machine through a spiral lifting device, the draining process is simultaneously completed in the lifting process, when the draining water volume is less than 50 cubic meters, the mixture is pumped out by a pump for adjusting the water content of the raw materials and preparing larva hatching feed, and when the draining water volume is more than 50 cubic meters, the mixture enters a water treatment process for treatment.
Step three, crushing: the organic waste conveyed to the cutting machine is firstly subjected to rough cutting, large blocks of materials are cut into small blocks, and then the small blocks of materials enter a vertical crusher to be further crushed into finer particles.
Step four, filtering: and filtering the crushed organic waste and then feeding the organic waste into a storage tank for later use.
Step five, feeding: the pretreated organic waste is lifted and conveyed through a plunger pump, the air valve controls the discharging to a black soldier fly feeding device, and the feeding is carried out in a mode of a small amount of times according to the growth condition of larvae.
Step six, throwing in larvae: and adding the 3-day-old hermetia illucens larvae into the hermetia illucens breeding device, and covering the surfaces of the raw materials.
Step seven, biotransformation: the black soldier fly larvae feed on solid organic waste, and carry out biotransformation in vivo to produce worm sand. The hermetia illucens larvae are transformed on the breeding bed for 8-10 days.
Step eight, discharging: after the larvae grow for 8-10 days, the feeding speed is basically reduced to zero, and at the moment, the black soldier fly larvae and the insect sand are scraped out of one side of the breeding bed to a conveying belt of the belt conveyor by using the scraper.
Step nine, screening: the black soldier fly larvae and the insect sand are conveyed to a double screening device by a conveying belt of a belt conveyor, and are sequentially screened by a vibrating screen and a winnowing machine, and finally, the black soldier fly larvae and the insect sand are separated.
The invention has the beneficial effects that:
(1) by arranging the organic waste pretreatment device, the organic waste is pretreated firstly, so that the moisture content and the particle size of the fed solid organic waste can be ensured to meet the standard of hermetia illucens larvae, the larvae can grow normally, and the growth environment of the larvae is good; and the efficiency is higher, and the material is stable, can in time supply.
(2) Adopt plunger pump and air valve as pump formula loading attachment, carry out the material and promote the transport, avoided using screw conveyer to breed the restriction that bed length produced, more be favorable to the industrialization to be applied.
(3) The heat that produces in can reducing the heisui river horsefly larva feeding process through the feeding mode of pneumatic valve control, not only avoided turning over the loaded down with trivial details that the throwing brought, also guaranteed that heisui river horsefly larva is in the best growing environment always, made the better faster growth of heisui river horsefly, improved the efficiency that industrialization heisui river horsefly was bred.
(4) Screening is successively carried out through shale shaker and air separator through the dual screening plant that sets up, has improved screening efficiency greatly for black soldier fly larva is more thorough with the separation of worm sand.
(5) The full-automatic black soldier fly processing equipment realizes the full automation from the organic solid waste to the insect sand, the organic solid waste can directly enter the process flow for processing without external pretreatment no matter the size or the dryness or the wetness, and the full-automatic mechanized application of the black soldier fly processing organic solid waste is really realized.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1
The embodiment provides an apparatus for treating organic solid waste with hermetia illucens, comprising: the device comprises an organic waste pretreatment device, a pump type feeding device, a black soldier fly feeding device, a discharging device and a double screening device; wherein, preprocessing device is including the material receiving pond, waterlogging caused by excessive rainfall hoisting device, reducing mechanism, filter equipment and the storage device who connects in order. The draining lifting device is connected with the receiving tank and the crushing device, and a liquid storage tank is arranged below the draining lifting device; the filtering device is connected with the crushing device and the material storage device; the pump type feeding device is connected with the organic waste pretreatment device and the black soldier fly breeding device, a discharging device is arranged in the black soldier fly breeding device, larvae and insect dung after digestion is scraped to be conveyed to a conveying belt of a belt conveyor, and the other end of the conveying belt is connected with a double screening device.
The receiving tank is integrally an inverted cone, is provided with a feeding opening and is internally provided with a stirring mechanism.
The draining and lifting device comprises: the device comprises a lifting pipe and a spiral lifting machine, wherein the bottom of the lifting pipe is provided with a plurality of small holes and a liquid collecting device, the small holes are connected with the liquid collecting device, and the liquid collecting device is connected with a liquid storage tank and used for collecting leached liquid.
The liquid storage tank is arranged below the spiral elevator and is rectangular, and the other side of the liquid storage tank is connected with a sewage output pump.
The crushing device adopts a cutting machine and a vertical crusher to jointly crush, the cutting machine is used for cutting large materials into small materials, and the vertical crusher is used for further crushing the large materials into fine particles. The vertical crusher is connected with a filtering device, and unqualified substances are filtered out and returned to the crusher for continuous crushing.
The above-mentioned pump type loading attachment includes: the plunger pump and at least one material conveying pipe provided with an air valve; the conveying pipeline is laid above the hermetia illucens feeding device, a plurality of air valves are mounted on the conveying pipeline, and discharging is controlled by the air valves.
The hermetia illucens breeding device adopts a breeding bed which is a cuboid and comprises a bottom plate and a side plate, wherein a sliding groove is formed above the side plate, a rack is arranged on the sliding groove, and the rack is matched with a gear on a scraping mechanism to rotate; the number of layers of the culture bed is 3. Furthermore, an opening is arranged at one side of the breeding bed connected with the belt.
Foretell discharging device mainly adopts scraping mechanism, and it is arranged in black soldier fly feeding device, including scraper blade and motor, the scraper blade is along removing in a parallel with the long limit direction of breed bed, the motor is arranged in on the scraper blade mobile device.
The double screening device mainly comprises: winnowing machine and shale shaker, the worm sand that needs the screening is carried through belt conveyor, carries out the coarse screening through the shale shaker earlier, and the rethread winnowing machine is further screened to the worm sand that contains the larva, belt conveyor connects heisui river horsefly and raises device discharge gate and shale shaker.
Example 2
The embodiment provides a method for treating organic solid waste by using hermetia illucens, and the equipment for treating organic solid waste by using hermetia illucens in the first embodiment comprises the following steps:
step one, feeding: putting the obtained organic solid waste into a feeding pool with a stirring device through a feeding port, adding water and stirring uniformly to enable the organic solid waste to reach a fluid state;
step two, draining is promoted: after being uniformly stirred, the mixture is lifted into a cutting machine through a spiral lifting device, a draining process is simultaneously completed in the lifting process, when the draining water volume is less than 50 cubic meters, the mixture is pumped out by a pump for adjusting the water content of raw materials and preparing larva hatching feed, and when the draining water volume is more than 50 cubic meters, the mixture enters a water treatment process for treatment;
step three, crushing: the organic waste conveyed to the cutting machine is firstly subjected to rough cutting, large blocks of materials are cut into small blocks, and then the small blocks of materials enter a vertical crusher to be further crushed into finer particles;
step four, filtering: filtering the crushed organic waste and then feeding the organic waste into a storage tank for later use;
step five, feeding: the pretreated organic waste is lifted and conveyed by a plunger pump, the material is discharged to a black soldier fly feeding device under the control of an air valve, and the feeding is carried out in a small quantity and multiple times mode according to the growth condition of larvae;
further, the feeding times in the fifth step are as follows: 2 times of throwing on day 1, 3 times of throwing on day 2, 4 times of throwing on days 3 and 4, 6 times of throwing on days 5 and 6, 2 times of throwing on days 7 and 8, 1 time of throwing on day 9 and no throwing on day 10; the feeding amount is set according to the growth curve of the hermetia illucens, so that the optimal growth environment can be provided for the hermetia illucens, and the better growth of the hermetia illucens is facilitated.
Furthermore, the input amount of each air valve in the fifth step is the same;
further, in the fifth step, the throwing time of the air valve is gradually increased from No. 1 to No. 18 so as to ensure that the throwing amount is the same;
step six, throwing in larvae: adding the 3-day-old hermetia illucens larvae into a hermetia illucens feeding device, and covering the surfaces of the raw materials;
further, in the sixth step, the larva adding amount is as follows: 125 grams of eggs per ton;
step seven, biotransformation: the black soldier fly larvae feed on solid organic waste, and carry out biotransformation in vivo to produce worm sand. Transforming the black soldier fly larvae on a culture bed for 10 days;
step eight, discharging: after the larvae grow for 10 days, the feeding speed is reduced to zero basically, and at the moment, the black soldier fly larvae and the insect sand are scraped out of one side of the breeding bed to a conveying belt of a belt conveyor by using a scraper;
step nine, screening: the black soldier fly larvae and the insect sand are conveyed to a double screening device by a conveying belt of a belt conveyor, and are sequentially screened by a vibrating screen and a winnowing machine, and finally, the black soldier fly larvae and the insect sand are separated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An apparatus for treating organic solid waste with hermetia illucens, comprising:
the device comprises an organic waste pretreatment device, a pump type feeding device, a black soldier fly feeding device, a discharging device and a double screening device; wherein the content of the first and second substances,
the pretreatment device is provided with an organic waste feeding port and a pretreatment material outlet, and the pretreatment material outlet is connected with the black soldier fly feeding device, the belt conveyor of the discharging device and the double screening device in sequence through the pump type feeding device.
2. The apparatus for processing organic solid waste with hermetia illucens according to claim 1, wherein the organic waste pre-processing device comprises: the device comprises a receiving pool, a draining and lifting device, a crushing device, a filtering device and a storing device; wherein the content of the first and second substances,
the receiving tank is integrally of an inverted cone structure, and a stirring mechanism is arranged in the receiving tank; the upper part of the receiving pool is provided with a feeding opening, and the lower part of the receiving pool is provided with a material outlet;
the material outlet of the receiving pool is connected with the crushing device, the filtering device and the storing device in sequence through the draining and lifting device, and the storing device is provided with the pre-processing material outlet.
3. The apparatus for processing organic solid waste with hermetia illucens according to claim 2, wherein the leaching elevating means comprises: the device comprises a lifting pipe, a spiral elevator, a liquid storage tank and a sewage output pump; wherein the content of the first and second substances,
the lifting pipe is connected with a material outlet of the material receiving tank, the bottom of the lifting pipe is provided with a plurality of through holes and a liquid collecting device, and the liquid collecting device is connected with the liquid storage tank;
the material outlet of the receiving pool is connected with the spiral elevator, and the tail end of the spiral elevator is provided with the material conveying outlet connected with the crushing device;
the liquid storage tank is arranged below the spiral elevator, the liquid storage tank is connected with the sewage output pump through a pipeline, and the sewage output pump is connected to an external sewage treatment system and the material receiving tank through pipelines respectively.
4. The apparatus for processing organic solid waste with hermetia illucens according to claim 2, wherein the crushing device comprises:
the device comprises a cutting machine, a horizontal spiral conveying mechanism and a vertical crusher; wherein the content of the first and second substances,
an inlet of the cutting machine is connected with a material conveying and feeding outlet of the draining and lifting device;
the outlet of the cutting machine is connected with the vertical crusher through the horizontal spiral conveying mechanism;
the bottom of the vertical crusher is provided with an outlet, and the outlet is connected with the filtering device through a pipeline provided with a delivery pump.
5. The apparatus as claimed in claim 2, wherein the filter device is provided with an unqualified material outlet and a qualified material outlet, the unqualified material outlet is connected back to the inlet of the pulverizer via a pipeline, and the qualified material outlet is connected with the storage device.
6. The apparatus for processing organic solid waste with hermetia illucens according to any one of claims 1 to 5, wherein the pump feeder comprises:
the plunger pump and at least one material conveying pipe provided with an air valve; wherein the content of the first and second substances,
the plunger pump is respectively connected with the material conveying pipes provided with the air valves through pipelines, and each material conveying pipe provided with an air valve is correspondingly laid above the breeding bed of the black soldier fly breeding device.
7. The device for treating organic solid waste by using the hermetia illucens according to any one of claims 1 to 5, wherein the hermetia illucens breeding device is provided with at least one layer of breeding bed, each layer of breeding bed is of a rectangular groove structure, a sliding groove is arranged above a side plate of the rectangular groove structure, and a rack matched with a scraping mechanism of the discharging device is arranged on the sliding groove;
the discharging device comprises: a scraping mechanism and a belt conveyor; wherein, scrape the material mechanism set up in the black soldier fly device of raising, this scrape the material mechanism and include: the scraper plate is arranged in the direction parallel to the long edge of a breeding bed of the black soldier fly breeding device and can move in the direction of the long edge of the breeding bed; the motor is arranged on the scraper, the gear is arranged on a power output shaft of the motor, and the gear is meshed with the rack arranged on the black soldier fly breeding device;
the double-screening device consists of a winnowing machine and a vibrating screen which are connected in sequence.
8. The apparatus for treating organic solid waste with hermetia illucens according to claim 7, wherein the number of layers of the cultivation bed is 1-5.
9. A method for treating organic solid waste by using hermetia illucens, which is characterized in that the equipment for treating organic solid waste by using hermetia illucens as claimed in any one of claims 1 to 8 is adopted, and comprises the following steps:
step one, feeding: putting the taken organic waste into the organic waste pretreatment device through an organic waste feeding port, adding water, and uniformly stirring to enable the organic waste to reach a fluid state;
step two, draining is promoted: after being uniformly stirred, the mixture is lifted into a cutting machine through a spiral lifter, the draining process is simultaneously completed in the lifting process, the part with the draining water amount less than 50 cubic meters is pumped out by a pump and is used for adjusting the water content of raw materials and preparing larva hatching feed, and the part with the draining water amount more than 50 cubic meters enters an external wastewater treatment system for treatment;
step three, crushing: the organic waste conveyed to the cutting machine is firstly subjected to coarse cutting, large blocks of materials are cut into small blocks, then fine cutting is carried out, and the small blocks are crushed into fine particles;
step four: and (3) filtering: filtering the crushed organic waste by a filtering device, and then feeding the organic waste into a storage device for later use;
step five, feeding: the pretreated organic waste is lifted and conveyed by a pump type feeding device, and is controlled to be discharged to a black soldier fly feeding device, and a small amount of materials are fed repeatedly;
step six, throwing in larvae: adding the 3-day-old hermetia illucens larvae into a hermetia illucens feeding device, and covering the surfaces of the raw materials;
step seven, biotransformation: the black soldier fly larvae feed on solid organic waste and undergo biotransformation in vivo to produce worm sand, and the black soldier fly larvae undergo transformation in a black soldier fly feeding device for 8-10 days;
step eight, discharging: after the larvae grow for 8-10 days, the feeding speed is basically reduced to zero, and at the moment, the black soldier fly larvae and the insect sand are scraped out of one side of the black soldier fly feeding device by using a discharging device and conveyed to a double screening device;
step nine: and screening, namely screening the conveyed hermetia illucens larvae and the conveyed insect sand sequentially through vibration and winnowing in the double screening device, and finally, respectively outputting the separated hermetia illucens larvae and the separated insect sand.
CN201911006529.3A 2019-10-22 2019-10-22 Device and method for treating organic solid waste by using hermetia illucens Pending CN110842004A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111466343A (en) * 2020-04-15 2020-07-31 江苏黑勇士生态环境科技有限公司 Black soldier fly breeding waste gas purification system and black soldier fly breeding system
CN111887205A (en) * 2020-06-23 2020-11-06 山东省科学院菏泽分院 High-water-content duck manure high-density breeding system for hermetia illucens
CN111887204A (en) * 2020-06-23 2020-11-06 山东省科学院菏泽分院 High-water-content duck manure high-density breeding system for hermetia illucens
CN113040100A (en) * 2021-03-22 2021-06-29 长沙工研院环保有限公司 Automatic change heisui river horsefly box system of raising

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111466343A (en) * 2020-04-15 2020-07-31 江苏黑勇士生态环境科技有限公司 Black soldier fly breeding waste gas purification system and black soldier fly breeding system
CN111887205A (en) * 2020-06-23 2020-11-06 山东省科学院菏泽分院 High-water-content duck manure high-density breeding system for hermetia illucens
CN111887204A (en) * 2020-06-23 2020-11-06 山东省科学院菏泽分院 High-water-content duck manure high-density breeding system for hermetia illucens
CN113040100A (en) * 2021-03-22 2021-06-29 长沙工研院环保有限公司 Automatic change heisui river horsefly box system of raising

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