CN218108839U - Kitchen waste treatment system - Google Patents

Abstract

The utility model relates to a kitchen garbage handles the field, specifically indicates a kitchen garbage processing system, including kitchen garbage processing system, heisui river horsefly integration breeding device, heisui river horsefly separator, drying device, heisui river horsefly breeds device, sewage integration processing apparatus of laying eggs; the kitchen waste is treated and then the processed kitchen waste and the hermetia illucens larvae are delivered to the hermetia illucens integrated breeding device together to carry out three-dimensional breeding of hermetia illucens, the bred hermetia illucens are utilized, and meanwhile, the waste liquid generated by kitchen waste treatment is subjected to harmless treatment. The utility model discloses a whole processing system's automated processing and organic circulation have promoted the integrated degree of system's equipment, have improved the treatment effeciency, have reduced space occupancy and black soldier fly breed cost.

Description

Kitchen waste treatment system

Technical Field

The utility model belongs to the technical field of kitchen garbage handles, concretely relates to utilize heisui river horsefly kitchen garbage processing system.

Background

In 2021, the output of kitchen waste in China is 1.27 hundred million t, and the kitchen waste becomes a prominent problem influencing social development. In a common treatment method of kitchen waste, the subsequent difficult treatment of generated biogas residues and biogas slurry exists in anaerobic fermentation, and aerobic composting has the problems of large occupied area, lack of effective digestion approach of organic fertilizers and the like. The forage-making of kitchen waste, especially in feeding ruminants, presents a 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 method has the advantages of adopting the hermetia illucens to breed and treat the kitchen waste, producing the high-protein and high-quality soil conditioner, having the advancement of harmlessness, high recycling degree, low popularization difficulty, low carbon, environmental protection, relatively small secondary pollution, sustainable development and great application prospect of recycled 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 multi-layer cultivation device for breeding black soldier flies by livestock and poultry manure, which carries out black soldier fly cultivation by 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) improve three-dimensional breed equipment integration level, reduce area (3) the innocent treatment of the waste liquid that the kitchen garbage preliminary treatment produced etc. is a series of key technical problems that this field needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that will solve, a kitchen garbage processing system 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 reduce space occupancy and heisui river horsefly cost of breeding, promoted the system equipment integration degree, can realize kitchen garbage processing system full automatization.

In order to solve the technical problem, the technical scheme provided by the utility model is a kitchen waste treatment system, which comprises a kitchen waste treatment system, a black soldier fly integrated cultivation device, a black soldier fly separation device, a black soldier fly drying device and a sewage integrated treatment device; 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 the large diameter, which is adjacent to the rotating shaft, and a discharge port is formed at the edge of each culture tray with the small diameter; the topmost cultivation plate is used for receiving the delivered kitchen waste and hermetia illucens; the black soldier fly and the kitchen waste of the culture disc are conveyed downwards layer by the scraper device and are conveyed to the black soldier fly separating device through the discharge port; the hermetia illucens separation device is used for separating hermetia illucens and insect manure; the black soldier fly drying device is used for drying the separated black soldier fly; the integrated sewage treatment device carries out innocent treatment on waste liquid generated by the kitchen waste treatment system, and partially conveys the purified water to the integrated black soldier fly breeding device for adjusting humidity, and the generated sludge is conveyed to the kitchen waste treatment system to be mixed with kitchen waste.

Preferably, the kitchen waste treatment system comprises a kitchen waste receiving subsystem, a sieving device, a crushing device, a pressure filtration device and a feeding device which are connected in sequence; 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 upper part of a feeding device of the black soldier fly integrated breeding device through the feeding device, and the grease collecting device is used for carrying out oil-water separation on filtrate and collecting grease; and the kitchen waste receiving subsystem and the waste liquid after oil-water separation are conveyed to the integrated sewage treatment device 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 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 the 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, and the spraying device is communicated with the integrated sewage treatment device.

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.

Compared with the prior art, the utility model, its beneficial effect:

1. the kitchen waste automatic treatment and the automatic stereoscopic breeding of the hermetia illucens are realized, the automatic control of the whole process is realized, the hermetia illucens are bred in a stereoscopic mode, the devices in the kitchen waste treatment system are compactly arranged in an inclined mode, the devices are compactly arranged in the vertical mode, the space volume is reduced, the breeding disc does not need to be moved or rotated, and the energy consumption is reduced.

2. 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 reutilization is realized.

Drawings

Fig. 1 is a schematic structural diagram of the entire system.

Fig. 2 is a schematic structural view of the integrated hermetia illucens 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 structure.

Wherein: the kitchen waste receiving subsystem: the device comprises a receiving hopper 101, a spiral feeding device 102, a filtrate box 103, a grid 104, a filtrate outlet 105 and a first spiral conveyor 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 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 black soldier fly drying device comprises a black soldier fly separating device 11, a black soldier fly drying device 12, a support 1201, a heating device 1202, a dryer feeding port 1203 and a dryer discharging port 1204; a black soldier fly egg laying breeding device 13; the sewage treatment system comprises a sewage integrated treatment device 14, a water inlet 1401, a water outlet 1402 and a sludge outlet 1403.

Detailed Description

In view of the above technical solutions, preferred embodiments will be described in detail with reference to the drawings.

The kitchen waste treatment system of the utility model, see fig. 1, comprises a kitchen waste treatment system, a black soldier fly integrated breeding device, a black soldier fly treatment device and a sewage integrated treatment device; wherein:

the kitchen waste treatment system comprises a kitchen waste receiving subsystem, a sieving device, a crushing device, a filter pressing 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 arranged above the filtrate tank 103, and the receiving hopper 101 is communicated 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 provided on the top of the filtrate tank 103, and the filtrate filtered from the screw feeder 102 is filtered through the grid 104, wherein the mesh size of the grid 104 is 1cm × 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 rotary screen.

The discharge port of the spiral feeding device 102 is positioned 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 diameters to rotate, sundries such as disposable tableware, plastic bags, plastic bottles, metal boxes and the like and organic materials such as rice and flour, vegetables, animal and vegetable oil and fat and the like are classified and screened, the organic materials with small particle diameters are discharged from the discharge hole 302 through the sieve pores, the organic materials with large particle diameters such as plastics, metals and the like cannot be intercepted through the sieve pores, are discharged and collected through the impurity outlet 303, and are periodically transported to a landfill or a garbage 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 crushed kitchen waste is subjected to progressive pressure extrusion step by step under the conveying of a spiral auger, oil-water separation of filter pressing liquid is realized through a grease collector 604, the separated waste liquid is discharged from a 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 residue after dehydration is discharged to the feeding device 8 through the solid residue outlet 603, the feeding device 8 is a belt conveyor and is arranged obliquely, the feeding end of the belt conveyor is located below the solid residue outlet 603, and the discharging end of the belt conveyor is located above the feeding device of the black soldier fly integrated culture 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. According to the proportion of the hermetia illucens and the kitchen waste, the hermetia illucens are put in the discharging end of the feeding device 8, and then the kitchen waste and the hermetia illucens are fed into the feeding device of the hermetia illucens integrated culture 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 plurality of culture plates A and culture plates B which are longitudinally arranged at intervals in a staggered manner are arranged in the shell 1020 in the vertical direction, and the total number of the culture plates A and the culture plates B generally needs to meet the requirement that hermetia illucens larvae are bred to be large, and is generally more 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 internal week of dish B and pass through bracing piece and sleeve 1028 fixed connection that the interval set up, 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, the cultivation dish A is located at the top, the cultivation dish B is arranged below the cultivation dish A, the cultivation dish B is arranged below the cultivation dish B, and the cultivation dish A and the cultivation dish B are arranged in a longitudinally staggered mode.

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 cultivation 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. The temperature required for cultivation is provided for the cultivation tray by the heating coil 1009.

A spraying device is also arranged on the lower layer in the hollow part of the culture tray. The spraying device comprises a main water inlet pipe 1026, a spraying branch pipe 1027 and a plurality of spray heads 1005. The spray branch pipes 1027 are arranged at the lower surface in the hollow part of the culture disc, the spray head 1005 is arranged on the lower surface of the lower layer of the culture disc, and the spray head 1005 is communicated with the spray branch pipes 1027. A main water inlet pipe 1026 is disposed in the housing 1020 and is in communication with the shower branch 1027, and a water inlet end of the main water inlet pipe 1026 is in communication with the water outlet 1402 of the integrated wastewater treatment device via a pipe to supply water for shower. When the humidity of breeding the dish is not enough, through control spray set, for the surperficial material increase moisture of the breed dish of lower floor through the shower nozzle, adjust humidity, make humidity satisfy the breed requirement.

The upper surface of the culture tray is provided with a plurality of aeration micropores 1004, and the aeration micropores 1004 are communicated with the hollow part of the culture tray. An air inlet vertical pipe 1030 is arranged on the inner wall of the shell 1020, the air inlet vertical 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 disc through the air inlet vertical pipe 1030 and an air inlet branch pipe 1031 communicated with the air inlet vertical pipe 1030, 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, adjustment breed 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: hanger 1021, several scrapers 1006. The hanger 1021 is obliquely arranged above the culture tray, one end of the hanger is fixedly connected to 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 cultivation 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 central area of 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 disc A and the culture disc B are arranged in opposite directions, and the scraping directions of the scrapers are opposite. The movement of the scraper device is intermittent, and the scraper device can move regularly or irregularly according to the culture requirement or the turning requirement.

A lighting device, in this example a flashing light 1022, is provided on the hanger 1021 to provide lighting for the growing device.

The feeding device comprises a feeding inlet 1011 and several distribution 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 kitchen waste and the hermetia illucens enter the feed inlet 1011, the kitchen waste and the hermetia illucens uniformly fall onto the breeding plate along the distribution baffles, and the materials are prevented from being accumulated on the breeding plate.

And the discharge port 1013 is arranged in the bottom center area of the black soldier fly integrated breeding device, namely the discharge port is located below the discharge port of the bottommost breeding disc, which is generally the breeding disc B, and the discharge port of the bottommost breeding disc is located at the periphery of the rotating shaft, so that the discharge port 1013 is located in the bottom center area. Discharge gate 1013 is the toper structure, makes things convenient for heisui river horsefly and worm excrement freely to fall from the discharge gate.

The black soldier fly integrated breeding device is characterized in that a black soldier fly separating device 11 is further arranged below a discharge port of the black soldier fly integrated breeding device, and a drying device 12 and a black soldier fly egg-laying breeding device 13 are further arranged on one side of the black soldier fly separating device 11.

The hermetia illucens separating device 11 is obliquely arranged, and the inclination angle is generally 20-30 degrees, so that hermetia illucens and insect manure can be better separated. The hermetia illucens separation device adopts a stainless steel screen mesh and automatically screens. The black soldier flies and the insect dung which are bred by the black soldier fly integrated breeding device 10 fall onto the stainless steel screen of the black soldier fly separating device 11 from the discharge hole 1009, the black soldier flies and the insect dung are separated along with continuous shaking of the stainless steel screen, screen underflow is the insect dung which is sold as a soil conditioner after being collected, and the excellent soil conditioner is provided for the ecological agriculture and plantation; oversize is the heisui river horsefly, carries to drying device 12 through conveyor majority and carries out drying process, and the smallful river horsefly breeds device 13 that lays eggs to the part of carrying. The black soldier fly egg laying and breeding device 13 is used for laying eggs of black soldier flies by automatically controlling temperature, adjusting humidity and illuminating, and hatching and breeding larvae, and the bred larvae are conveyed to the black soldier fly insect throwing device 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 for providing a heating source for the drying device 12. The dryer feed inlet 1203 is connected with the hermetia illucens separating 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 integrated sewage treatment device 14 mainly performs denitrification, dephosphorization and COD degradation, so that the quality of the effluent water reaches the municipal pipe network and nano-pipe standard. Comprises a water inlet 1401, a water outlet 1402 and a sludge outlet 1403. The water inlet 1401 is respectively communicated with the filtrate outlet 105 of the kitchen waste receiving subsystem and the filtrate outlet 602 of the filter pressing device 6 through pipelines, and filtrate is subjected to harmless treatment. And conveying part of the treated purified water to a water inlet main pipe 1026 of a spraying device of the black soldier fly integrated culture device 10 through a pipeline to be communicated, so as to provide spraying water for the purified water, discharging the rest purified water up to the standard, conveying the treated sludge from a sludge outlet 1403 to a filter pressing device 6 through a pipeline to be mixed with kitchen waste, conveying the sludge to the black soldier fly integrated culture device, decomposing the black soldier fly, and recycling resources.

The utility model discloses an operation flow:

the kitchen waste is sent to a kitchen waste receiving subsystem, is sent to a sieving device 3 through a spiral feeding device 102 and a first spiral feeder 2 to remove impurities such as plastics, stones and the like, and then is sent to a crusher 5 through a second spiral feeder 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 purified water is used as black soldier fly integrated culture spray water, and the rest reaches the standard and is discharged; solid sediment after 6 filter-presses of filter pressing device passes through material feeding unit 8 and black soldier fly larvae and gets into the top in black soldier fly integration breeding device 10 through feed inlet 1011 and cloth baffle 1012 together and breeds in beginning in the dish, along with breeding, scraper blade 1006 moves black soldier fly and material successive layer downwards, until when sending to discharge gate 1013, black soldier fly cultivation cycle is accomplished, at this in-process, through heating coil, the shower nozzle, the trachea heats, the humidification, the aeration, adjust the humiture according to humiture monitoring information. The bred hermetia illucens are separated by the hermetia illucens separating device 11, most of the hermetia illucens are dried by the drying device 12, and the small part of the hermetia illucens are hatched into larvae by the hermetia illucens egg breeding device 13.

Claims (11)

1. A kitchen waste treatment system is characterized by comprising a kitchen waste treatment system, a black soldier fly integrated culture device, a black soldier fly separation device, a black soldier fly drying device and a sewage integrated treatment device;

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 plate is used for receiving the delivered kitchen waste and hermetia illucens; the black soldier fly and the kitchen waste of the culture disc are conveyed downwards layer by the scraper device and are conveyed to the black soldier fly separating device through the discharge port;

the hermetia illucens separation device separates hermetia illucens and insect manure; the black soldier fly drying device is used for drying the separated black soldier fly; the integrated sewage treatment device carries out innocent treatment on waste liquid generated by the kitchen waste treatment system, and partially conveys the purified water to the integrated black soldier fly breeding device for adjusting humidity, and the generated sludge is conveyed to the kitchen waste treatment system to be mixed with kitchen waste.

2. The kitchen waste treatment system according to claim 1, wherein the kitchen waste treatment system comprises a kitchen waste receiving subsystem, a sieving device, a crushing device, a pressure filtration device and a feeding device which are connected in sequence;

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 upper part of a feeding device of the black soldier fly integrated culture device through a feeding device, and the grease collecting device is used for performing oil-water separation on filtrate and collecting grease;

and the kitchen waste receiving subsystem and the waste liquid after oil-water separation are conveyed to the sewage integrated treatment device for treatment.

3. The kitchen waste treatment system according to claim 2, wherein a conveying device is respectively arranged between the kitchen waste receiving subsystem and the sieving device and between the sieving device and the crushing device, and the conveying device is arranged obliquely.

4. The kitchen waste treatment system according to claim 2, wherein the kitchen waste receiving subsystem comprises a receiving hopper, a filtrate tank located 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 kitchen waste treatment system according to claim 2, wherein the sieving device is a trommel which is disposed at an incline.

6. The kitchen waste treatment system according to claim 2, wherein said crushing device is located above said filter pressing device.

7. The kitchen waste treatment system according to claim 1, wherein the scraper device is respectively arranged corresponding to each layer of cultivation disc, and the scraper device is fixedly arranged on the rotating shaft; the scraping directions of the scrapers on the two adjacent culture trays are opposite.

8. The kitchen waste treatment system according to claim 1, wherein the cultivation plate is a hollow structure, a heating coil and a spraying device are arranged in the cultivation plate, and the spraying device is communicated with the integrated sewage treatment device.

9. The kitchen waste treatment system according to claim 8, wherein the upper surface of the cultivation tray is provided with aeration micropores, and the aeration micropores are communicated with the hollow part of the cultivation tray.

10. The kitchen waste treatment system according to claim 1, wherein a temperature and humidity sensor and an illumination device are arranged in the hermetia illucens integrated cultivation device.

11. The kitchen waste treatment system according to claim 1, wherein a feeding device is arranged on the hermetia illucens integrated breeding 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.

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