CN218108832U - System for coprocessing kitchen waste and livestock and poultry feces - Google Patents
System for coprocessing kitchen waste and livestock and poultry feces Download PDFInfo
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Abstract
The utility model relates to the field of kitchen waste and livestock and poultry manure treatment, in particular to a system for cooperatively treating kitchen waste and livestock and poultry manure, which comprises a kitchen waste treatment system, a black soldier fly integrated culture device, a black soldier fly treatment device, a waste liquid harmless treatment system and a heating circulation system; the kitchen waste is pretreated and then mixed with livestock and poultry manure, the mixture and the black soldier fly larvae are delivered to the black soldier fly integrated breeding device together for three-dimensional breeding of the black soldier fly, the bred black soldier fly is utilized, and meanwhile, waste liquid generated by the pretreatment of the kitchen waste is subjected to harmless treatment and resource recycling in the system. The automatic treatment and organic cycle of the whole treatment system are realized, the integration degree of system equipment is improved, the treatment efficiency is improved, and the space occupancy and the black soldier fly breeding cost are reduced.
Description
Technical Field
The utility model belongs to the technical field of kitchen garbage and the dirty processing of beasts and birds excrement, concretely relates to utilize heisui river horsefly coprocessing kitchen garbage and dirty system of beasts and birds excrement.
Background
In 2021, the output of kitchen waste in China is 1.27 hundred million t, and kitchen waste becomes a prominent problem influencing social development, and meanwhile, the disposal of a large amount of organic waste such as livestock and poultry manure, crop straws and the like also becomes a problem which needs to be solved urgently in society. In the common treatment method for kitchen waste and livestock and poultry manure, the generated biogas residues and biogas slurry are difficult to treat subsequently through anaerobic fermentation, and aerobic composting has the problems of large occupied area, lack of effective ways for dissolving organic fertilizers and the like. The conversion of kitchen waste into fodder, in particular for feeding ruminants, involves the risk of homology. The kitchen waste is incinerated in cooperation with the power plant, so that the problems of high dehydration and drying cost and the like exist.
The black soldier fly breeding method is adopted to treat the kitchen waste and the livestock and poultry manure to produce the high-protein and high-quality soil conditioner, and has the advantages of harmlessness, high recycling degree, low popularization difficulty, low carbon, environmental friendliness, relatively small secondary pollution, sustainable development and great application prospect of recycling products.
Chinese patent CN 217265483U discloses a perishable waste treatment device, which is used for pretreating perishable waste and then distributing the material to a black soldier fly breeding container for treatment. In the patent, the hermetia illucens is cultured in a single layer, a plurality of culture containers are needed, and the culture containers are required to be continuously transported. Although the automation degree is high, the black soldier fly breeding area is large.
Chinese patent CN108157303 discloses a multilayer cultivation device for feeding black soldier flies with livestock and poultry manure, which carries out black soldier fly cultivation through a plurality of layers of staggered conveyor belts. Compared with single-layer cultivation, the problem of large floor area is solved, but in the longitudinal direction, the volume and the thickness of each layer of transmission belt are large, so that the longitudinal height is high, the space volume is large, each layer of transmission belt needs to be driven independently, and the energy consumption is large.
How to realize (1) kitchen garbage automatic feeding and three-dimensional breed (2) and improve three-dimensional aquaculture equipment integrated level, reduce area (3) kitchen garbage and the dirty cooperative processing of beasts and birds excrement, improve the system to the waste liquid innocent treatment etc. that the more extensive adaptability of rubbish raw materials (4) kitchen garbage preliminary treatment produced, be the serial key technical problem that this field needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem that will solve, a system for coprocessing kitchen garbage and beasts and birds excrement is dirty is provided, carry out the autoloading with its autoloading to the three-dimensional breeding device of heisui river horsefly and breed through the kitchen garbage to collecting after carrying out automated processing, then carry out the separation of worm excrement through heisui river horsefly automatic processing apparatus, and handle or hatch the spawning to heisui river horsefly adult, the harmful waste liquid of in-process production carries out innocent treatment, make the system form automatic organic cycle. The utility model discloses effectively reduced space occupancy and heisui river horsefly cost of breeding, promoted the system equipment integration degree, can realize kitchen garbage and beasts and birds excrement and urine processing system full automatization.
In order to solve the technical problem, the technical scheme provided by the utility model is a system for cooperatively treating kitchen waste and livestock and poultry manure, which comprises a kitchen waste treatment system, a black soldier fly integrated culture device, a black soldier fly treatment device, a waste liquid harmless treatment system and a heating circulation system; the kitchen waste treatment system is used for treating kitchen waste and conveying the kitchen waste to the hermetia illucens three-dimensional culture device; the integrated hermetia illucens breeding device comprises a hermetia illucens feeding device, a plurality of breeding discs which are longitudinally arranged at intervals and a scraper device; a rotating shaft penetrates through the center of the culture disc; the culture trays are arranged at intervals in size, a discharge port is formed at one end of each culture tray with a large diameter, which is adjacent to the rotating shaft, and a discharge port is formed at the edge of each culture tray with a small diameter; the topmost cultivation disc is used for receiving the delivered mixed materials and the hermetia illucens; the black soldier fly and the kitchen waste in the culture disc are conveyed downwards layer by the scraper device and are conveyed to the black soldier fly treatment device through the discharge port; the hermetia illucens treatment device is used for separating hermetia illucens and insect manure; the waste liquid innocent treatment system carries out innocent treatment on waste liquid generated by the kitchen waste treatment system, the generated methane is conveyed to the heating and circulating system, and the purified water is partially conveyed to the black soldier fly integrated culture device to adjust the humidity; the heating circulation system is respectively communicated with the stereoscopic black soldier fly breeding device and the black soldier fly treatment device to provide a heat source for the black soldier fly breeding device and the black soldier fly treatment device.
Preferably, the kitchen waste treatment system comprises a kitchen waste receiving subsystem, a sieving device, a crushing device, a pressure filtration device, a mixing device and a feeding device which are sequentially connected; the kitchen waste receiving subsystem removes partial moisture from the received kitchen waste and then conveys the kitchen waste to a sieving device; the kitchen waste is sieved by the sieving device, and sieved materials are conveyed to the crushing device; the crushing device crushes the materials and conveys the materials to the filter pressing device; the filter pressing device is connected with the grease collecting device, solid residues subjected to filter pressing by the filter pressing device are conveyed to the mixing device for mixing, the grease collecting device performs oil-water separation on filtrate and collects grease, and separated waste liquid is conveyed to the waste liquid harmless treatment system for treatment; after the material mixing device mixes the materials, the mixed materials are conveyed to a feeding device of the integrated hermetia illucens breeding device through a feeding device; and the kitchen waste receiving subsystem and the waste liquid subjected to oil-water separation are conveyed to the waste liquid harmless treatment system for treatment.
Preferably, conveying devices are respectively arranged between the kitchen waste receiving subsystem and the sieving device and between the sieving device and the crushing device, and the conveying devices are obliquely arranged.
Preferably, the kitchen waste receiving subsystem comprises a receiving hopper, a filtrate tank positioned below the receiving hopper and a spiral feeding device; the spiral feeding device is positioned at the bottom of the receiving hopper, and a grid for filtering is arranged at the top of the filtrate tank; the spiral feeding device sends the kitchen waste out of the receiving hopper.
Preferably, the sieving device is a drum sieve, and the drum sieve is obliquely arranged.
Preferably, the crushing device is located above the press filtration device.
Preferably, the mixing device is located above the feeding device.
Preferably, the scraper devices are respectively arranged corresponding to each layer of the cultivation disc and are fixedly arranged on the rotating shaft; the scraping directions of the scrapers on two adjacent culture trays are opposite.
Preferably, the culture disc is of a hollow structure, a heating coil and a spraying device are arranged in the culture disc, the heating coil is communicated with the heating circulation system, and the spraying device is communicated with the waste liquid harmless treatment system.
Preferably, aeration micropores are arranged on the upper surface of the culture tray and are communicated with the hollow part of the culture tray.
Preferably, a temperature and humidity sensor and a lighting device are arranged in the black soldier fly integrated breeding device.
Preferably, a feeding device is arranged on the black soldier fly integrated breeding device and comprises a feeding hole and a plurality of material distribution baffles which are uniformly distributed along the circumferential direction and are positioned below the feeding hole; the feed inlet is positioned below the discharge end of the kitchen waste treatment system.
Preferably, the hermetia illucens processing device comprises an insect and excrement separating device, an egg laying and hatching device and a drying device; the insect dung separation device is positioned below the black soldier fly integrated culture device and is used for separating insect dung; the hermetia illucens separated by the insect-excrement separation device are respectively conveyed to the egg-laying hatching device and the drying device, and the separated insect excrement is sold as high-quality nutrient soil; the drying device is communicated with the heating circulation system.
Preferably, the waste liquid harmless treatment system comprises a UASB reactor and a sewage integrated treatment device communicated with the UASB reactor; the UASB reactor is used for treating waste liquid conveyed by the kitchen waste treatment system, and a water outlet of the UASB reactor is communicated with the sewage integrated treatment device; heating cycle system with UASB reactor's marsh gas outlet intercommunication, sewage integration processing apparatus purified water part is carried extremely heisui river horsefly integration breeding device adjusts humidity.
Preferably, the heating circulation system is a biogas boiler, an air inlet of the heating circulation system is communicated with a biogas outlet of the waste liquid harmless treatment system, a hot water outlet of the heating circulation system is respectively communicated with the black soldier fly three-dimensional breeding device and the black soldier fly treatment device, and heat-exchanged water of the black soldier fly three-dimensional breeding device and the black soldier fly treatment device flows back to the biogas boiler.
Compared with the prior art, the utility model, its beneficial effect:
1. the method realizes the cooperative treatment of the kitchen waste and the livestock and poultry manure, can generate heat energy for the cultivation of the system by utilizing the characteristics of the system technology, and has wide raw material application range and low treatment energy consumption.
2. The kitchen waste treatment system has the advantages that the automatic control of the whole flow of the kitchen waste treatment and the black soldier fly breeding and treatment is realized, meanwhile, the black soldier fly is bred in a three-dimensional mode, the devices in the kitchen waste treatment system are compactly arranged in an inclined mode, and the space volume is reduced.
3. And the waste liquid generated in the system is subjected to harmless treatment and is recycled, so that the environmental pollution is reduced, and the energy and resource recycling is realized.
4. The system is green and environment-friendly, has small space volume and low energy consumption, and can realize organic circulation of the system.
Drawings
Fig. 1 is a schematic structural diagram of the entire system.
Fig. 2 is a schematic structural diagram of the integrated black soldier fly breeding device.
FIG. 3 is a schematic view of the structure of the culture tray.
Fig. 4 is a schematic view of a heating coil configuration.
Wherein: the kitchen waste receiving subsystem: a receiving hopper 101, a spiral feeding device 102, a filtrate box 103, a grating 104, a filtrate outlet 105 and a first spiral conveyer 2; the screening device 3, the screening device feed inlet 301, the screening device discharge outlet 302, the impurity outlet 303, the second screw conveyor 4, the crushing device 5, the crushing device feed inlet 501 and the crushing device discharge outlet 502; the filter pressing device 6, a filter pressing device feed inlet 601, a filtrate outlet 602, a solid residue outlet 603 and a grease collector 604; the device comprises a mixing device 7, a mixing bin 701, a stirring shaft 702 and a mixing discharge port 703; the feeding device 8 and the hermetia illucens feeding device 9;
the integrated black soldier fly breeding device 10, a support 1001, a small-diameter breeding disc A1002, a large-diameter breeding disc 1003, aeration micropores 1004, a spray head 1005, a scraper blade 1006, a hot water inlet 1007, a hot water outlet 1008, a heating coil 1009, an air inlet 1010, a feed inlet 1011, a cloth baffle 1012, a discharge port 1013, a rotating shaft 1014, a temperature and humidity sensor 1015, a spray water inlet 1016, an observation hole 1017, a rotating shaft driving device 1018, a triangular support 1019, a shell 1020 and a 1021 hanging bracket, a waterproof lamp 1022, a hot water inlet vertical pipe 1024, a hot water outlet vertical pipe 1025, a spray water inlet main pipe 1026, a spray water inlet branch pipe 1027, a sleeve 1028, a steel bracing cable 1029, an air inlet vertical pipe 1030 and an air inlet branch pipe 1031;
the device comprises a pest and excrement separating device 11, a hermetia illucens drying device 12, a support 1201, a heating device 1202, a drying feeding hole 1203 and a drying discharging hole 1204;
the system comprises a UASB reactor 13, a UASB water inlet 1301, a three-phase separator 1302, a UASB water outlet 1303 and a biogas outlet 1304; a sewage integration device 14; the system comprises a biogas boiler 15, a biogas inlet 1501, a circulating water outlet 1502 and a circulating water inlet 1503; the hermetia illucens egg-laying breeding device 16.
Detailed Description
With respect to the above technical solutions, preferred embodiments are described in detail with reference to the drawings.
The utility model discloses a system for coprocessing kitchen waste and livestock and poultry feces, see fig. 1, which comprises a kitchen waste processing system, a black soldier fly integrated breeding device, a black soldier fly processing device, a waste liquid innocent treatment system and a heating circulation system; wherein:
the kitchen waste treatment system comprises a kitchen waste receiving subsystem, a sieving device, a crushing device, a filter pressing device, a material mixing device and a feeding device.
The kitchen waste receiving subsystem comprises a receiving hopper 101, a spiral feeding device 102, a filtrate box 103, a grating 104 and a filtrate outlet 105. The receiving hopper 101 is provided above the filtrate tank 103, and the receiving hopper 101 communicates with the filtrate tank 103. A spiral feeding device 102 is arranged at the bottom of the receiving hopper 101, a discharge port of the spiral feeding device 102 extends out of the receiving hopper 101, and the kitchen waste in the receiving hopper 101 is discharged through the spiral feeding device 102. A filtering grid 104 is arranged on the top of the filtrate tank 103, filtrate filtered from the spiral feeding device 102 is filtered through the grid 104, and the size of a screen hole of the grid 104 is 1cm multiplied by 1cm. A filtrate outlet 105 is provided on the bottom side of the filtrate tank 103. Kitchen waste is transported to a factory by a kitchen transport vehicle and poured into a receiving hopper 101, is temporarily stored in the hopper and is subjected to preliminary solid-liquid separation, solid slag after separation is output by a spiral feeding device 102, waste liquid after separation is filtered by a grating 104 arranged at the top of a filtrate box and enters a filtrate box 103 for temporary storage, and the waste liquid is transported to a waste liquid harmless treatment system by a filtrate outlet 105.
Two conveying devices are obliquely arranged on one side of the material receiving hopper 101 and one side of the filtrate tank 103 at intervals, the two conveying devices are a first spiral conveyor 2 and a second spiral conveyor 4, a sieving device 3 is arranged between the first spiral conveyor 2 and the second spiral conveyor 4, and the sieving device 3 is a drum sieve.
The discharge port of the spiral feeding device 102 is located above the feed port of the first spiral conveyor 2, and the discharge port of the spiral feeding device 102 is connected with the feed port of the first spiral conveyor 2 through a pipeline. The feed inlet of the first screw conveyor 2 is positioned below, and the discharge outlet is positioned above. The discharge port of the first screw conveyor 2 is communicated with the feed port 301 of the sieving device 3 through a pipeline, and the sieving device 3 is a drum sieve. The discharge port 302 of the sieving device 3 is communicated with the feed port of the second screw conveyor 4 through a pipeline, the impurity outlet 303 of the sieving device is used for collecting oversize products after sieving, and the diameter of the sieve screen of the sieving device is 5-8cm.
When the sieving device utilizes the difference of material particle diameter to rotate, sundries such as disposable tableware, plastic bags, plastic bottles, metal boxes and the like and organic materials such as rice flour, vegetables, animal and vegetable oil and the like are classified and screened, the organic materials with small particle diameter are discharged from a discharge port 302 through sieve pores, the organic materials with large particle diameter such as plastics, metals and the like cannot be intercepted through the sieve pores, are discharged and collected through an impurity outlet 303, and are periodically transported to a landfill or a waste incineration power plant.
A crushing device 5 and a filter pressing device 6 are sequentially arranged below the discharge hole of the second screw conveyor 4, and the filter pressing device 6 is a presser. The crushing device 5 is one or a combination of several of a shear type crusher, an impact type crusher, a scraper type crusher, a pendulum type crusher, a gnawing and cutting type crusher and the like. The crushing device 5 comprises a feeding hole 501 and a discharging hole 502, and the diameter of the crushed material is 1-3cm.
The filter pressing device 6 is a screw press dehydrator and comprises a feed inlet 601, a filtrate outlet 602, a solid residue discharge port 603 and a grease collector 604, wherein the filtrate outlet 602 is arranged below the grease collector 604. The discharge hole of the second screw conveyor 4 is communicated with the feed hole 501 of the crushing device 5 through a pipeline, and the discharge hole 502 of the crushing device 5 is communicated with the feed hole 601 of the filter pressing device 6 through a pipeline.
The kitchen waste after crushing is subjected to progressive pressure extrusion step by step under the conveying of the spiral auger, oil-water separation of filter pressing liquid is realized through the grease collector 604, the separated waste liquid is discharged from the filter pressing liquid outlet 602 and conveyed to a waste liquid harmless treatment system for harmless treatment, the separated grease is collected by the grease collector 604, and the collected grease can be reused through selling. The solid slag after dehydration is discharged from a solid slag outlet 603, and is conveyed to a mixing device 7 through a conveying device which is obliquely arranged, wherein the conveying device can be a belt conveyor. The solid content of the solid slag after the pressing of the filter pressing device 6 is 30-40%, and the solid content of the mixed material after the mixing is 40%.
The mixing device 7 is a multi-shaft mixer. The mixing device 7 comprises a mixing bin 701, a stirring shaft 702 and a mixing discharge port 703. The stirring shafts 702 are located at the bottom of the silo 701 and are arranged into two groups 702, and each group consists of two stirring shafts with opposite rotation directions. The stirring shaft 702 has the function of forward rotation and reverse rotation so as to ensure that the kitchen waste, the chicken manure and the bran/rice chaff in the bin are uniformly mixed and achieve the best material state for breeding the hermetia illucens. The mixing material outlet 703 is located at one side of the bottom of the mixing material bin 701. The kitchen waste after filter pressing by the filter pressing device 6 is sent to a material bin 701 of a material mixing device 7, materials such as chicken manure, bran/rice chaff and the like are added into the material bin 701 through a feeding hopper, are mixed through rotation of a stirring shaft 702, and then are sent to a feeding device 8 through a material mixing discharge hole 703.
The feeding device 8 is a belt conveyor and is obliquely arranged, the feeding end of the feeding device is located below the mixing device 7, and the discharging end of the feeding device is located above the feeding device of the black soldier fly integrated breeding device 10. A hermetia illucens feeding device 9 is arranged above the discharge end of the feeding device 8. The black soldier fly feeding device 9 is a full-automatic quantitative feeding machine, can adjust the feeding amount of the black soldier flies according to the conveying speed of the feeding device 8, and can feed the black soldier flies uniformly. The method comprises the following steps of putting the hermetia illucens to the discharging end of the feeding device 8 according to the proportion of the hermetia illucens to the mixed material, and then feeding the mixed material and the hermetia illucens into the feeding device of the integrated hermetia illucens breeding device through the feeding device 8.
The black soldier fly integrated breeding device 10, referring to fig. 2 to 4, comprises a housing 1020, wherein a plurality of observation holes 1017 are formed in the wall of the housing 1020, and a support bracket 1001 is arranged at the bottom of the housing 1020. The rotating shaft 1014 and the culture discs A and the culture discs B which are longitudinally arranged in a staggered mode at intervals are arranged in the shell 1020 in the vertical direction, the total number of the culture discs A and the culture discs B generally needs to meet the requirement that the black soldier fly larvae are bred, and the number of the culture discs A and the culture discs B is larger than or equal to 6.
The rotating shaft 1014 is positioned at the center of the breeding disc A and the breeding disc B, the rotating shaft 1014 is respectively connected with the breeding disc A and the breeding disc B in a rotating way through a sleeve 1028 arranged on the rotating shaft 1014, the rotating shaft 1014 can rotate relative to the breeding disc A and the breeding disc B, the periphery of the breeding disc A is fixed on the inner wall of the shell 1020 through a steel inhaul cable 1029, a certain distance is reserved between the breeding disc A and the inner wall of the shell to allow hermetia illucens and materials to fall into the next layer of breeding disc from the edge, and no gap is reserved between the breeding disc A and the sleeve 1028; breed the periphery of dish B and pass through welded fastening on the shell inner wall, breed the bracing piece and sleeve 1028 fixed connection that the internal week of dish B set up through the interval, breed and remain the space that supplies worm and material to fall between dish B and sleeve 1028. The upper end of the rotating shaft 1014 is connected with a rotating shaft driving device 1018, and the lower end is rotatably arranged on the triangular support 1019.
The outer diameter and the inner diameter of the breeding disc B are both larger than those of the breeding disc A. In this embodiment, breed dish A is located the top, and its below is breed dish B, sets up breed dish A below breeding dish B, sets up breed dish B below breeding dish A, makes breed dish A and breed dish B form vertical staggered arrangement.
Breed a dish A and breed the inside cavity setting that is of dish B, including upper strata and lower floor, the upper surface on upper strata is bred to black soldier fly. A heating coil 1009 is arranged in the hollow part of each culture tray, a hot water inlet vertical pipe 1024 and a hot water outlet vertical pipe 1025 are respectively arranged in the shell wall of the shell 1020, the water inlet end of the heating coil 1009 is communicated with the hot water inlet vertical pipe 1024, and the water outlet end of the heating coil 1009 is communicated with the hot water outlet vertical pipe 1025. A hot water inlet 1007 on the hot water inlet vertical pipe 1024 is communicated with a circulating water outlet 1502 of the biogas boiler 15 through a pipeline, and a hot water outlet 1008 of the hot water outlet vertical pipe 1025 is communicated with a circulating water inlet 1503 of the biogas boiler 15 through a pipeline.
The lower layer in the hollow part of the culture tray is also provided with a spray pipe which is communicated with an external water source, in the embodiment, a spray water inlet 1016 of a spray water inlet main pipe 1026 is communicated with a water discharge port purified by the sewage integrated treatment device, and the spray water inlet main pipe 1026 is communicated with the spray connecting pipe through a spray water inlet branch pipe 1027. The spray pipe of the breeding plate is provided with a spray head 1005, and the spray head 1005 penetrates through the lower layer of the breeding plate to spray and humidify the breeding plate on the lower layer, so that the humidity required by the hermetia illucens is kept. The upper surfaces of the culture plates are provided with a plurality of aeration micropores 1004, the inner wall of the shell 1020 is provided with a vertical air inlet pipe 1030, the vertical air inlet pipe 1030 is communicated with an external air source through an air inlet 1010, compressed air is conveyed to the hollow part of each culture plate through the vertical air inlet pipe 1030 and an air inlet branch pipe 1031 communicated with the vertical air inlet pipe, and aeration is carried out through the aeration micropores 1004.
Be provided with temperature and humidity sensor 1015 on breeding the dish, carry out the monitoring of temperature, humidity, according to humiture monitoring data, control sprays and heats, adjusts and breeds the humiture. The breeding humidity of the hermetia illucens is 60-70%, the temperature is 28-30 ℃, and the breeding period is 12-15 days.
A scraper device is arranged on each culture tray. The squeegee device includes: comprises a hanger 1021 and a scraper 1006. The hanger 1021 is arranged obliquely, one end of the hanger is fixedly connected with the rotating shaft 1014, and the other end of the hanger is close to the upper surface of the culture tray. A plurality of scrapers 1006 are arranged on the hanger 1021 at intervals along the radial direction of the culture tray. The angle at which the squeegee 1006 is set varies as desired. In the embodiment, the scraping plates on the breeding disc A rotate along with the rotating shaft, so that the hermetia illucens and materials can be scraped to the outer edge of the breeding disc A from the breeding disc A, and then fall into the breeding disc B on the lower layer from the outer edge of the breeding disc A; the scrapers on the breeding disc B can scrape the hermetia illucens and the materials to the center of the breeding disc B from the edges of the breeding disc B, so that the hermetia illucens and the materials fall into the breeding disc A or the discharge hole 1013 of the lower layer from the gap between the breeding disc B and the sleeve. Therefore, the scrapers on the culture tray A and the culture tray B are arranged in opposite directions, and the scraping directions of the scrapers are opposite. The action of the scraper device is intermittent, and the scraper device can periodically or irregularly act according to the culture requirement or turning requirement.
Lighting means, in this example waterproof lights 1022, are provided on the hanger 1021 to provide lighting for the growing apparatus.
And the feeding device is arranged at the top of the black soldier fly integrated three-dimensional breeding device and is positioned below the feeding end of the feeding device 8. The feeding device comprises a feeding port 1011 and a plurality of cloth baffles 1012. The cloth baffles 1012 are arranged below the feed inlet 1011, one sides of the cloth baffles are connected into a whole to form an axis, the other sides of the cloth baffles are arranged in a radial shape, and a certain angle is formed between every two adjacent cloth baffles 1012. After the mixed materials and the hermetia illucens enter the feeding hole 1011, the mixed materials and the hermetia illucens uniformly fall onto the breeding tray along the distribution baffle plates. Avoid the material to pile up on breeding the dish. The temperature and humidity of the integrated hermetia illucens breeding device can be adjusted according to temperature and humidity monitoring information; the automatic turning of the hermetia illucens is realized by downward feeding layer by layer.
The black soldier fly processing device comprises a pest excrement separating device 11, a drying device 12 and an egg laying and hatching device 16. The insect excrement separating device 11 is obliquely arranged, and the inclination angle is generally 20-30 degrees so as to be better separated. The insect and excrement separating device adopts a stainless steel screen mesh and automatically screens. The black soldier fly and the insect dung which are bred by the black soldier fly integrated breeding device 10 fall onto the stainless steel screen mesh from the discharge hole 1013, the black soldier fly and the insect dung are separated along with the continuous shaking of the stainless steel screen mesh, the undersize is the insect dung, and the insect dung is collected and sold as a soil conditioner, so that a good soil conditioner is provided for the ecological agriculture planting industry; the oversize is hermetia illucens, and most of the hermetia illucens are conveyed to the drying device 12 through the conveying device to be dried, and the rest hermetia illucens are conveyed to the egg laying and hatching device 16. The egg laying and hatching device 16 is used for laying eggs of the hermetia illucens through automatic temperature control, humidity adjustment and illumination, and hatching and breeding larvae, and the bred larvae are conveyed to the insect feeding device 9 through the conveying device.
The drying device 12 includes a support 1201, a heating device 1202, a dryer inlet 1203, and a dryer outlet 1204. And a heating device 1202 which is communicated with the heating circulation system and provides a heating source for the drying device 12. And returning the backwater after heat exchange to the heating circulation system for repeated recycling. The dryer feed inlet 1203 is connected with the hermetia illucens separation device 11 through a conveying device, the separated hermetia illucens enter the drying device to be dried, dried dry insects are output from a dryer discharge outlet 1204, and the dried hermetia illucens are sold as protein feed to provide high protein for the breeding industry.
The harmless treatment system for the waste liquid comprises a UASB reactor 13 and a sewage integrated treatment device 14.
The UASB reactor 13 comprises a combination of a UASB water inlet 1301, a three-phase separator 1302, a UASB water outlet 1303 and a biogas outlet 1304. The filtrate outlet 105 of the filtrate tank 103 of the kitchen waste receiving subsystem and the filtrate outlet 602 of the filter pressing device 6 are respectively communicated with the UASB water inlet 1301 through pipelines and enter the UASB reactor 13, organic matters are degraded under an anaerobic state to produce biogas, the biogas separated by the three-phase separator 1302 is conveyed to the heating circulation system through the biogas outlet 1304, and the separated sewage is led to the integrated sewage treatment device 14 from the UASB water outlet 1303 through the pipelines for treatment.
The integrated sewage treatment device 14 mainly performs denitrification, dephosphorization and COD degradation, so that the quality of the outlet water reaches the municipal pipe network standard, one part of the outlet water is conveyed to a spray water inlet of a spray device in the integrated black soldier fly breeding device 10 through a pipeline, the outlet water is sprayed by the spray device for moisture preservation, and the rest part of the outlet water is discharged into a pipe network.
The heating circulation system is a biogas boiler 15, and the biogas boiler comprises a biogas inlet 1501, a circulating water outlet 1502 and a circulating water inlet 1503. Biogas generated by the UASB reactor 13 is conveyed to a biogas inlet 1501 of the biogas boiler 15 through a biogas outlet 1304 to provide fuel for the biogas boiler for heating water. The heated circulating water is respectively conveyed to a heating coil in a breeding disc in the black soldier fly integrated breeding device 10 and a heating device 1202 of the drying device 12 through a circulating water outlet 1502 through pipelines to heat the breeding disc and provide a heat source for the drying device, and the heat-exchanged circulating water is respectively conveyed back to a circulating water inlet 1503 of the biogas boiler 15 through pipelines to form hot water circulation. The temperature of hot water supplied to the black soldier fly integrated culture device 10 by the methane boiler is 40-45 ℃, and the temperature of hot water supplied to the black soldier fly drying device by the methane boiler 15 is 60-70 ℃.
The utility model discloses an operation flow:
the kitchen waste is sent into a kitchen waste receiving subsystem, is sent to a sieving device 3 through a spiral feeding device 102 and a first spiral feeding machine 2 to remove impurities such as plastics and stones, and then is sent to a crusher 5 through a second spiral feeding machine to be crushed and then is subjected to pressure filtration through a pressure filtration device 6, filtrate is subjected to oil-water separation and grease collection, the separated filtrate is sent to a sewage integrated treatment device for harmless treatment, the generated methane is used as fuel of a heating circulation system, and the purified water is used as black soldier fly integrated culture spray water; solid sediment after 6 filter-presses of filter pressing device is delivered to 7 departments of compounding device and chicken manure, mix such as bran through conveyor, rethread material feeding unit 8 and black soldier fly larva are together through feed inlet 1011 and cloth baffle 1012 get into the top in the black soldier fly integration breeding device 10 and breed in the dish, along with breeding, scraper blade 1006 moves black soldier fly and material successive layer downwards, until when delivering to discharge gate 1013, black soldier fly breeding cycle is accomplished, at this in-process, through heating coil, the shower nozzle, the trachea heats, the humidification, the aeration, according to humiture monitoring information regulation humiture. The bred hermetia illucens are separated by the worm and excrement separating device 11, most of the hermetia illucens are dried by the drying device 12, and the small hermetia illucens hatch larvae by the egg laying hatching device 16; and the hot water of the heating circulation system enters the black soldier fly integrated culture device for heating circulation.
Following is the utilization the utility model discloses a system of coprocessing kitchen garbage and beasts and birds excrement is dirty carries out the embodiment that kitchen garbage and beasts and birds excrement were dirty to be handled.
Example 1
In the embodiment, the system for treating the kitchen waste and the livestock and poultry manure by breeding the hermetia illucens implements the synergistic harmless resource utilization of the kitchen waste and the livestock and poultry manure. In the embodiment, the feeding amount of the kitchen waste is 50t/d, the water content is 85%, the food content accounts for 85%, and the content of impurities such as plastics, glass, metals and the like is 15%. And (3) carrying out solid-liquid separation on the kitchen waste in a receiving hopper, wherein the water content of the separated solid slag is 80%, the solid slag is screened to remove impurities, and is further dehydrated through crushing and squeezing, the particle size of the crushed and dehydrated solid slag is 1-3cm, the water content is 60%, and the solid slag amount is 20t/d. And mixing the dewatered and crushed solid residues with chicken manure and rice chaff in a multi-shaft mixer, wherein the parameters of the chicken manure are 20t/d of treatment capacity, the water content is 75%, the parameters of the rice chaff are 7.5t/d of treatment capacity, and the solid content is 80%. The solid content of the mixed material is 40%, the mixed material is conveyed by a belt conveyor, hermetia illucens larvae are added according to 0.5 thousandth of the mass of the material, the material mixed with the hermetia illucens larvae is cultured in a hermetia illucens integrated culture device, 6 culture plates are arranged in total, and the culture parameters are that the humidity is 70% and the temperature is 30 ℃. The culture period is 12d. After the cultivation is finished, the insects and the excrement are separated by an insect-excrement separator, and 9t (3 t of dry insect powder) of the hermetia illucens and 7.5t of soil conditioner are produced daily. The carbon dioxide reduction amount by adopting the hermetia illucens conversion technology reaches 53.6 ten thousand t/year.
Example 2
In the embodiment, the system for treating the kitchen waste and the livestock and poultry manure by breeding the hermetia illucens implements the synergistic harmless resource utilization of the kitchen waste and the livestock and poultry manure. In the embodiment, the feeding amount of the kitchen waste is 100t/d, the water content is 87%, the food content accounts for 80%, and the content of impurities such as plastics, glass, metals and the like is 20%. And (3) carrying out solid-liquid separation on the kitchen waste in a receiving hopper, wherein the water content of the separated solid slag is 80%, the solid slag is screened to remove impurities, and is further dehydrated through crushing and squeezing, the particle size of the crushed and dehydrated solid slag is 1-3cm, the water content is 65%, and the solid slag amount is 30t/d. And mixing the dewatered and crushed solid residues with chicken manure and rice chaff in a multi-shaft mixer, wherein the parameters of the chicken manure are 30t/d of treatment capacity, the water content is 70%, the parameters of the rice chaff are 11.25t/d of treatment capacity, and the solid content is 80%. The solid content of the mixed material is 40%, the mixed material is conveyed by a belt conveyor, hermetia illucens larvae are added according to 1.2 permillage of the mass of the material, the material mixed with the hermetia illucens larvae is cultured in a hermetia illucens integrated culture device, 6 culture plates are arranged in total, and the culture parameters are that the humidity is 70% and the temperature is 30 ℃. The culture period is 12d. After the cultivation is finished, the insects and the excrement are separated by an insect excrement separator, and the daily-produced hermetia illucens is 18t (6 t of dry insect body powder) and 11.25t of soil conditioner. The carbon dioxide reduction amount by adopting the hermetia illucens conversion technology reaches 80.4 ten thousand t/year.
Claims (15)
1. A system for cooperatively treating kitchen waste and livestock and poultry manure is characterized by comprising a kitchen waste treatment system, a black soldier fly integrated culture device, a black soldier fly treatment device, a waste liquid harmless treatment system and a heating circulation system;
the kitchen waste treatment system is used for treating kitchen waste and conveying the kitchen waste to the stereoscopic black soldier fly breeding device;
the integrated hermetia illucens breeding device comprises a hermetia illucens feeding device, a plurality of breeding discs which are longitudinally arranged at intervals and a scraper device; a rotating shaft penetrates through the center of the culture disc; the culture trays are arranged at intervals in size, a discharge port is formed at one end of each culture tray with a large diameter, which is adjacent to the rotating shaft, and a discharge port is formed at the edge of each culture tray with a small diameter; the topmost cultivation disc is used for receiving the delivered mixed materials and the hermetia illucens; the black soldier fly and the kitchen waste in the culture disc are conveyed downwards layer by the scraper device and are conveyed to the black soldier fly treatment device through the discharge port;
the hermetia illucens treatment device is used for separating hermetia illucens and insect manure;
the waste liquid innocent treatment system carries out innocent treatment on waste liquid generated by the kitchen waste treatment system, the generated methane is conveyed to the heating and circulating system, and the purified water is partially conveyed to the black soldier fly integrated culture device to adjust the humidity;
the heating circulation system is respectively communicated with the stereoscopic black soldier fly breeding device and the black soldier fly treatment device to provide a heat source for the black soldier fly breeding device and the black soldier fly treatment device.
2. The system for co-processing the kitchen waste and the livestock and poultry manure according to claim 1, characterized in that the kitchen waste processing system comprises a kitchen waste receiving subsystem, a sieving device, a crushing device, a pressure filtration device, a mixing device and a feeding device which are sequentially connected;
the kitchen waste receiving subsystem removes partial moisture from the received kitchen waste and then conveys the kitchen waste to a sieving device;
the kitchen waste is sieved by the sieving device, and sieved materials are conveyed to the crushing device;
the crushing device crushes the materials and conveys the materials to the filter pressing device;
the filter pressing device is connected with the grease collecting device, solid slag after filter pressing by the filter pressing device is conveyed to the mixing device for mixing,
the oil collecting device is used for carrying out oil-water separation on the filtrate and collecting oil, and the separated waste liquid is conveyed to the waste liquid harmless treatment system for treatment;
after the material mixing device mixes the materials, the mixed materials are conveyed to a feeding device of the integrated hermetia illucens breeding device through a feeding device;
and the kitchen waste receiving subsystem and the waste liquid subjected to oil-water separation are conveyed to the waste liquid harmless treatment system for treatment.
3. The system for co-processing kitchen waste and livestock and poultry manure according to claim 2, characterized in that conveying devices are respectively arranged between the kitchen waste receiving subsystem and the sieving device and between the sieving device and the crushing device, and the conveying devices are obliquely arranged.
4. The system for co-processing kitchen waste and livestock and poultry manure according to claim 2, wherein the kitchen waste receiving subsystem comprises a receiving hopper, a filtrate tank positioned below the receiving hopper and a spiral feeding device; the spiral feeding device is positioned at the bottom of the receiving hopper, and a grid for filtering is arranged at the top of the filtrate tank; the spiral feeding device sends the kitchen waste out of the receiving hopper.
5. The system for co-processing kitchen waste and livestock and poultry manure according to claim 2, wherein the screening device is a drum screen, and the drum screen is obliquely arranged.
6. The system for co-processing kitchen waste and livestock and poultry manure according to claim 2, wherein the crushing device is located above the filter pressing device.
7. The system for co-processing kitchen waste and livestock manure according to claim 2, wherein the mixing device is located above the feeding device.
8. The system for co-processing kitchen waste and livestock and poultry manure according to claim 1, wherein the scraper devices are respectively arranged corresponding to each layer of cultivation disc and fixedly arranged on the rotating shaft; the scraping directions of the scrapers on the two adjacent culture trays are opposite.
9. The system for co-processing kitchen waste and livestock manure according to claim 1, wherein said cultivation tray is a hollow structure, wherein a heating coil and a spraying device are arranged in the cultivation tray, said heating coil is communicated with said heating circulation system, and said spraying device is communicated with said waste liquid harmless treatment system.
10. The system for co-processing kitchen waste and livestock and poultry manure according to claim 9, characterized in that aeration micro-holes are arranged on the upper surface of the cultivation tray, and the aeration micro-holes are communicated with the hollow part of the cultivation tray.
11. The system for co-processing kitchen waste and livestock and poultry manure according to claim 1, characterized in that a temperature and humidity sensor and an illumination device are arranged in the hermetia illucens integrated cultivation device.
12. The system for cooperatively treating the kitchen waste and the livestock and poultry manure according to claim 1, wherein a feeding device is arranged on the hermetia illucens integrated cultivation device, and the feeding device comprises a feeding hole and a plurality of material distribution baffles which are uniformly distributed along the circumferential direction and are positioned below the feeding hole; the feed inlet is positioned below the discharge end of the kitchen waste treatment system.
13. The system for cooperatively treating kitchen waste and livestock and poultry manure according to claim 1, wherein the hermetia illucens treatment device comprises an insect-manure separation device, an egg laying and hatching device and a drying device;
the insect excrement separation device is positioned below the black soldier fly integrated culture device and is used for separating insect excrement;
the hermetia illucens separated by the insect and excrement separating device are respectively conveyed to the egg laying and hatching device and the drying device; the drying device is communicated with the heating circulation system.
14. The system for co-processing the kitchen waste and the livestock and poultry manure according to claim 1, wherein the waste liquid harmless treatment system comprises a UASB reactor and a sewage integrated treatment device communicated with the UASB reactor; the UASB reactor is used for treating the waste liquid conveyed by the kitchen waste treatment system, and a water outlet of the UASB reactor is communicated with the integrated sewage treatment device; the heating circulation system is communicated with a biogas outlet of the UASB reactor, and the purified water part of the integrated sewage treatment device is conveyed to the integrated black soldier fly breeding device to adjust the humidity.
15. The system for co-processing kitchen waste and livestock and poultry manure according to claim 1, wherein the heating circulation system is a biogas boiler, an air inlet of the heating circulation system is communicated with a biogas outlet of the waste liquid harmless treatment system, a hot water outlet of the heating circulation system is respectively communicated with the stereoscopic cultivation device for hermetia illucens and the black illucens treatment device, and heat-exchanged water of the stereoscopic cultivation device for hermetia illucens and the black illucens treatment device flows back to the biogas boiler.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222610656.8U CN218108832U (en) | 2022-09-30 | 2022-09-30 | System for coprocessing kitchen waste and livestock and poultry feces |
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| CN202222610656.8U CN218108832U (en) | 2022-09-30 | 2022-09-30 | System for coprocessing kitchen waste and livestock and poultry feces |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518966A (en) * | 2022-09-30 | 2022-12-27 | 中国电建集团西北勘测设计研究院有限公司 | System and method for treating kitchen waste and livestock and poultry manure |
| CN117139327A (en) * | 2023-09-26 | 2023-12-01 | 茵塞普科技(深圳)有限公司 | Method and device for processing foodstuff by biotransformation of insects |
| US11905224B2 (en) * | 2022-04-15 | 2024-02-20 | Nanjing University | Method for fully recycling kitchen waste by using Hermetia illucens L. and aerobic microorganisms |
-
2022
- 2022-09-30 CN CN202222610656.8U patent/CN218108832U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11905224B2 (en) * | 2022-04-15 | 2024-02-20 | Nanjing University | Method for fully recycling kitchen waste by using Hermetia illucens L. and aerobic microorganisms |
| CN115518966A (en) * | 2022-09-30 | 2022-12-27 | 中国电建集团西北勘测设计研究院有限公司 | System and method for treating kitchen waste and livestock and poultry manure |
| CN115518966B (en) * | 2022-09-30 | 2024-08-02 | 中国电建集团西北勘测设计研究院有限公司 | System and method for treating kitchen waste and livestock and poultry manure |
| CN117139327A (en) * | 2023-09-26 | 2023-12-01 | 茵塞普科技(深圳)有限公司 | Method and device for processing foodstuff by biotransformation of insects |
| CN117139327B (en) * | 2023-09-26 | 2024-06-07 | 茵塞普科技(深圳)有限公司 | Method and device for processing foodstuff by biotransformation of insects |
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