CN110899303A - System for utilize heisui river horsefly to carry out kitchen garbage resourceful treatment - Google Patents
System for utilize heisui river horsefly to carry out kitchen garbage resourceful treatment Download PDFInfo
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- CN110899303A CN110899303A CN201911283285.3A CN201911283285A CN110899303A CN 110899303 A CN110899303 A CN 110899303A CN 201911283285 A CN201911283285 A CN 201911283285A CN 110899303 A CN110899303 A CN 110899303A
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- kitchen waste
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- hermetia illucens
- screening
- stirring
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- 239000010813 municipal solid waste Substances 0.000 title claims description 12
- 241000255632 Tabanus atratus Species 0.000 title claims description 4
- 239000000463 material Substances 0.000 claims abstract description 65
- 238000012216 screening Methods 0.000 claims abstract description 48
- 239000010806 kitchen waste Substances 0.000 claims abstract description 38
- 241000709785 Hermetia illucens Species 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 18
- 238000004064 recycling Methods 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 238000000855 fermentation Methods 0.000 claims abstract description 12
- 230000004151 fermentation Effects 0.000 claims abstract description 12
- 239000006148 magnetic separator Substances 0.000 claims abstract description 11
- 239000012634 fragment Substances 0.000 claims abstract description 9
- 235000019476 oil-water mixture Nutrition 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 64
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000007873 sieving Methods 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000010405 clearance mechanism Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
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- 238000006297 dehydration reaction Methods 0.000 abstract description 5
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- 238000004806 packaging method and process Methods 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 244000241257 Cucumis melo Species 0.000 description 2
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 2
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
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- 230000004083 survival effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- VTEIFHQUZWABDE-UHFFFAOYSA-N 2-(2,5-dimethoxy-4-methylphenyl)-2-methoxyethanamine Chemical compound COC(CN)C1=CC(OC)=C(C)C=C1OC VTEIFHQUZWABDE-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
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- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a system for recycling kitchen waste by utilizing hermetia illucens, which comprises a sorting machine, a magnetic separator, a crusher, a hydrocyclone, a squeezer and a fermentation machine, wherein the sorting machine is used for sorting hermetia illucens; the sorting machine is used for primarily crushing the kitchen waste and screening out metal and plastic products with larger volumes to obtain a first material; the magnetic separator is used for removing the residual metal in the first material to obtain a second material; the crusher is used for crushing a second material; the hydrocyclone is used for separating the slurry mixed by the crushed second material and water into a third material and ceramic glass fragments with larger specific gravity; the squeezer is used for squeezing the third material to separate the third material into a fourth material and an oil-water mixture; the fermentation machine is used for fermenting the fourth material to form feed of the hermetia illucens. According to the feed for feeding the hermetia illucens, the kitchen waste is subjected to impurity removal, crushing, dehydration and fermentation treatment, so that the resourceful treatment of the kitchen waste is realized.
Description
Technical Field
The invention relates to the technical field of garbage treatment and recycling, in particular to a system for recycling kitchen garbage by using hermetia illucens.
Background
The kitchen waste mainly refers to organic waste generated in the cooking and dining processes of catering industry, dining halls and families, and generally comprises leftovers, kitchen raw material leftovers, melon peel and fruit chips and the like. The kitchen waste is rich in nutrition and high in water content, and is easy to rot and deteriorate due to bacteria breeding, so that pungent peculiar smell is generated. According to statistics, the annual production amount of urban kitchen waste in China exceeds 6000 million tons, so that the urban kitchen waste becomes a large enemy of urban development, and the problem of kitchen waste is solved and is raised to be a social problem concerned by the whole people.
However, the kitchen waste contains a large amount of inorganic substances such as packaging bags, beverage bottles, metal products, porcelain, glass products and the like besides organic substances such as leftovers, kitchen raw material leftovers, melon peel and fruit chips and the like, and the inorganic substances are not beneficial to breeding the hermetia illucens, so that the hermetia illucens becomes a technical difficulty in recycling the kitchen waste by utilizing the hermetia illucens.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a system for recycling kitchen waste by using hermetia illucens.
The invention provides a system for recycling kitchen waste by utilizing hermetia illucens, which comprises the following steps:
the sorting machine is used for primarily crushing the kitchen waste and screening out metal and plastic products with larger volumes to obtain a first material;
the magnetic separator is used for removing the residual metal in the first material to obtain a second material;
a crusher for crushing a second material;
a hydrocyclone for separating a slurry of the crushed second material mixed with water into a third material and ceramic glass fragments of greater specific gravity;
a presser for pressing the third material so that the third material is separated into a fourth material and an oil-water mixture;
and the fermentation machine is used for fermenting the fourth material to form the feed of the hermetia illucens.
Further, still include:
the oil-water separator is used for separating grease and sewage in the oil-water mixture;
the air floatation machine is used for removing scum in the sewage;
and the screw stacking machine is used for dehydrating scum separated from the sewage to obtain a fourth material.
Further, the sorting machine comprises:
the screening cylinder is connected with a feed hopper at the upper side close to the first end of the screening cylinder, the lower part of the end surface of the second end of the screening cylinder is connected with a first discharge hopper, screen holes are distributed on the cylinder wall of the lower half part of the screening cylinder, and a second discharge hopper connected to the cylinder wall of the screening cylinder is arranged below the screen holes;
agitating unit, agitating unit including coaxial rotation install in (mixing) shaft in the screening section of thick bamboo, along axial distribution in a plurality of puddlers of (mixing) shaft periphery and be used for the drive (mixing) shaft pivoted actuating mechanism.
Furthermore, the peripheral surface of the stirring shaft is axially arranged in a stirring rod accommodating groove which is in one-to-one correspondence with the stirring rods, one end of each stirring rod is rotatably arranged in the stirring rod accommodating groove through a rotating pin, the stirring rods can be rotatably unfolded around the rotating pins or accommodated in the stirring rod accommodating groove, the stirring rods abut against the groove wall at the first end of the stirring rod accommodating groove when being unfolded, and a torsion spring which can unfold the stirring rods is sleeved on the rotating pins;
sorting machine still includes clearance mechanism, clearance mechanism includes:
the annular part is sleeved on the stirring shaft and is adaptive to the screening cylinder, the first end of the annular part is connected with a sleeve which can be sleeved on the stirring shaft, the sleeve extends out of the first end of the screening cylinder, the first end of the stirring shaft penetrates into the annular part, and the second end of the stirring shaft penetrates out of the second end of the screening cylinder and is in transmission connection with the first driving mechanism;
a second drive mechanism for driving the sleeve and the ring to move axially.
Further, a cutting ring is arranged at the second end of the annular part, the outer peripheral surface of the cutting ring is matched with the screening cylinder, and an annular groove is formed between the inner peripheral surface of the cutting ring and the stirring shaft.
Furthermore, an annular scraper is adapted in the annular groove, and a first cylinder for driving the annular scraper to move along the axial direction of the annular groove is further arranged on the annular member.
Further, first actuating mechanism includes the motor, the motor is fixed in the top of screening section of thick bamboo, through belt transmission between the output shaft of motor and the second end of (mixing) shaft.
Furthermore, the first end of the sleeve is provided with a connecting plate extending out of two sides of the sleeve, the second driving mechanism comprises two second cylinders arranged on two sides of the outside of the screening cylinder, and output shafts of the second cylinders are connected with the connecting plate.
Furthermore, a third discharge hopper is connected to the lower side close to the first end of the screening cylinder, and the third discharge hopper is blocked when the annular part is positioned at the first end of the screening cylinder.
Further, screening section of thick bamboo slope sets up, and the one end that screening section of thick bamboo is close to the feeder hopper highly is higher than the one end that screening section of thick bamboo is close to first play hopper.
The invention has the beneficial effects that: according to the feed for feeding the hermetia illucens, the kitchen waste is subjected to impurity removal, crushing, dehydration and fermentation treatment, so that the resourceful treatment of the kitchen waste is realized. In the impurity removal treatment process, firstly, the kitchen waste is primarily crushed and sieved by a sorting machine, metal and plastic products are not easy to crush, so that metal and plastic products with larger volume are sieved and separated, glass and ceramic products are fragile, and the glass and ceramic products are crushed and sieved, so that the first material contains glass and ceramic fragments and also contains metal with small volume, then the residual metal in the first material is further removed by a magnetic separator to obtain a second material, the second material is crushed by a crusher, the second material is mixed with water after being crushed, and then the ceramic glass fragments in the second material are separated by a hydrocyclone, so that inorganic substances such as packaging bags, beverage bottles, metal products, porcelain, glass products and the like in the kitchen waste can be more thoroughly screened out, and the organic matter content of the kitchen waste is improved, the survival rate of the cultured hermetia illucens is ensured.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flow chart of a resourceful treatment of kitchen waste by the system of the embodiment of the invention;
FIG. 2 is a schematic external view of a sorter according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of a sorting machine according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 3.
In the drawings: 10 denotes a sorting machine; 11 denotes a sieving drum; 111 denotes a feed hopper; 112 denotes a first hopper; 113 denotes a sieve pore; 114 denotes a second hopper; 115 denotes a third hopper; 12 denotes a stirring device; 121 denotes a stirring shaft; 122 denotes a stirring rod; 123 denotes a first drive mechanism; 1231 denotes a motor; 1232 denotes a belt; 124, a puddle holding tank; 125 denotes a torsion spring; 126 denotes a cleaning mechanism; 1261 denotes a ring; 1262 denotes a sleeve; 1263 denotes a second drive mechanism; 12631 denotes a connecting plate; 12632 denotes a second cylinder; 1264 denotes a cutting ring; 1265 denotes an annular groove; 1266 denotes an annular scraper; 1267 denotes a first cylinder; 20 denotes a magnetic separator; 30 denotes a crusher; 40 denotes a hydrocyclone; 50 denotes a press; 60 denotes a fermenter; 70 denotes an oil-water separator; 80 denotes an air floating machine; and 90, a stack screw machine.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1-4, the system for recycling kitchen waste by using hermetia illucens according to the embodiment of the present invention includes a sorter 10, a magnetic separator 20, a crusher 30, a hydrocyclone 40, a presser 50, a fermentation machine 60, an oil-water separator 70, an air flotation machine 80, and a stacking screw machine 90.
Referring to fig. 1, a sorting machine 10 is used for primarily crushing kitchen waste and screening out metal and plastic products with large volumes to obtain a first material.
Specifically, referring to fig. 2-4, sorting machine 10 includes screening section of thick bamboo 11 and agitating unit 12, the upside that is close to the first end of screening section of thick bamboo 11 is connected with feeder hopper 111, the sub-unit connection of the terminal surface of the second end of screening section of thick bamboo 11 has first play hopper 112, screening section of thick bamboo 11 slope sets up, the height that screening section of thick bamboo 11 is close to the one end of feeder hopper 111 is higher than screening section of thick bamboo 11 and is close to the one end of first play hopper 112, it has sieve mesh 113 to distribute on the section of thick bamboo wall of the latter half of screening section of thick bamboo 11, the below of sieve mesh 113 is equipped with the second play hopper 114 of connecting. The stirring device 12 includes a stirring shaft 121 coaxially rotatably installed in the sieving cylinder 11, a plurality of stirring rods 122 axially distributed on the periphery of the stirring shaft 121, and a first driving mechanism 123 for driving the stirring shaft 121 to rotate.
During the screening, kitchen garbage gets into in the screening section of thick bamboo 11 from feeder hopper 111, first actuating mechanism 123 drive (mixing) shaft 121 rotates, in order to stir broken bag screening to kitchen garbage, the great metal bottle jar of volume in the kitchen garbage, the plastic bag, the plastic bottle can't pass through sieve mesh 113, ceramic glass goods are breakable among the kitchen garbage, can smash it at the in-process of (mixing) shaft 121 stirring, the less organic matter of volume is followed sieve mesh 113 and is sieved out in ceramic glass piece and the kitchen garbage, and discharge from second play hopper 114 and obtain first material, and the great metal bottle jar of volume of surplus of sieve, the plastic bag, the plastic bottle is then discharged from first play hopper 112 and is retrieved.
Agitating unit 12 is when stirring the screening to kitchen garbage, debris such as plastic bag among the kitchen garbage can twine on (mixing) shaft 121 and puddler 122, if twine too much and probably lead to screening section of thick bamboo 11 to block up, the technical scheme that this problem was solved to this embodiment is as follows: the peripheral face of (mixing) shaft 121 is located the puddler holding tank 124 with puddler 122 one-to-one along the axial, and the one end of puddler 122 is passed through the rotation pin and is rotated and install in puddler holding tank 124, and puddler 122 can revolve the rotation pin and expand or accomodate in puddler holding tank 124, and puddler 122 offsets with the cell wall of puddler holding tank 124 first end when expanding, and the rotation pin overcoat has the torsional spring 125 that can strut puddler 122. The sorting machine 10 further comprises a cleaning mechanism 126, the cleaning mechanism 126 comprises a ring-shaped member 1261 and a second driving mechanism 1263, the ring-shaped member 1261 is sleeved on the stirring shaft 121 and is adapted to the sieving cylinder 11, a first end of the ring-shaped member 1261 is connected with a sleeve 1262 which can be sleeved on the stirring shaft 121, the sleeve 1262 extends out of a first end of the sieving cylinder 11, the first end of the stirring shaft 121 penetrates through the ring-shaped member 1261, a second end of the stirring shaft 121 penetrates through a second end of the sieving cylinder 11 and is in transmission connection with the first driving mechanism 123, specifically, the first driving mechanism 123 comprises a motor 1231, the motor 1231 is fixed at the top of the sieving cylinder 11, and an output shaft of the motor 1231 is in transmission with the second end of the stirring shaft 121 through a belt 1232; the second driving mechanism 1263 is used for driving the sleeve 1262 and the ring 1261 to move axially, specifically, a first end of the sleeve 1262 is provided with a connecting plate 12631 extending towards two sides thereof, the second driving mechanism 1263 comprises two second air cylinders 12632 mounted on two sides of the exterior of the sieving cylinder 11, and output shafts of the second air cylinders 12632 are connected with the connecting plate 12631.
When the screening speed is obviously reduced, the feeding hopper 111 stops feeding, the stirring device 12 stops working, the second driving mechanism 1263 pushes the sleeve 1262 and the ring 1261 to translate towards the first discharging hopper 112, after the ring 1261 contacts the stirring rod 122, the ring 1261 drives the stirring rod 122 to rotate and retract, the retracted stirring rod 122 is sleeved in the sleeve 1262 and can prevent the stirring rod 122 from expanding, the ring 1261 sequentially retracts the stirring rods 122 in the translation process, screen wastes on the stirring rod 122, the stirring shaft 121 and in the screening cylinder 11 are scraped off at the same time, the cleaning of the screen wastes is realized, after the cleaning is finished, the second driving mechanism 1263 drives the ring 1261 to retract, in the retraction process of the ring 1261, the stirring rods 122 sequentially expand under the action of the torsion spring 125 until the ring 1261 retracts to the feeding hopper 111, and the screening operation can be continued.
Furthermore, a ring cutter 1264 is arranged at the second end of the ring-shaped piece 1261, the outer peripheral surface of the ring cutter 1264 is matched with the sieving cylinder 11, and a ring groove 1265 is formed between the inner peripheral surface of the ring cutter 1264 and the stirring shaft 121, on one hand, because centrifugal force exists during stirring, a lot of sundries are wound on the outer section of the stirring rod 122, in the process of pushing the ring-shaped piece 1261, the ring cutter 1264 is firstly contacted with the stirring rod 122 to scrape off the sundries wound on the outer section of the stirring rod 122, then the ring-shaped piece 1261 completely collects the stirring rod 122, so that the sundries wound on the outer section of the stirring rod 122 can be prevented from being clamped in the stirring rod containing groove 124 and cannot be scraped off, and on the other hand, the ring cutter 1264 can enable the collection and the expansion.
Preferably, an annular scraper 1266 is fitted in the annular groove 1265, and a first cylinder 1267 for driving the annular scraper 1266 to move along the axial direction of the annular groove 1265 is further arranged on the annular member 1261, and since the annular groove 1265 is filled with the sundries, the first cylinder 1267 can push the annular scraper 1266 to clean the sundries in the annular groove 1265.
In addition, a third discharge hopper 115 is connected to a lower side close to the first end of the sieving cylinder 11, the third discharge hopper 115 is blocked when the ring 1261 is located at the first end of the sieving cylinder 11, the third discharge hopper 115 is blocked by the ring 1261 during sieving, and the third discharge hopper 115 can be scraped by the ring 1261 when the ring 1261 is retracted, so that kitchen waste which is not scraped completely in the sieving cylinder 11 can be discharged by the ring 1261.
Referring to fig. 1, a magnetic separator 20 is used to remove the remaining metal in the first material to obtain the second material, and the magnetic separator 20 is a commercially available device and will not be described herein. The first material after being screened by the sorting machine 10 is conveyed to a magnetic separator 20 through a conveyor, and small-volume metals in the first material are further removed.
The crusher 30 is used for crushing the second material, and the crusher 30 is a commercially available device and will not be described herein. And the second material after metal removal is conveyed to the crusher 30 by the conveyor to be crushed, the particle size of the crushed material is about 20-30mm, the smaller the crushed particles are, the higher the oil yield at the rear end is, the higher the dehydration rate is, the lower the water content of the dry slag is, and the better transportation and utilization are realized.
The hydrocyclone 40 is used for separating the slurry of the second crushed material mixed with water into a third material and ceramic glass fragments with a larger specific gravity, and the hydrocyclone 40 is also a commercially available device and will not be described herein. The second crushed material and water are mixed into slurry, and the slurry is pumped into a hydrocyclone 40 through a high-pressure pump, under the action of the hydrocyclone 40, the ceramic glass fragments with high specific gravity are discharged from the lower part, and the third material is discharged from the upper part.
The presser 50 is configured to press the third material, so that the third material is separated into a fourth material and an oil-water mixture, the presser 50 of this embodiment may be a screw presser 50, and the screw presser 50 is also an existing device in the market, and will not be described herein. The third material discharged from the hydrocyclone 40 is conveyed to a presser 50 to be pressed and dehydrated, and after dehydration, the fourth material has a water content of about 60%, and cannot be clewed out by hand, and the water content meets the culture conditions of the hermetia illucens.
The fermentation machine 60 is used for fermenting the fourth material to form the feed of the hermetia illucens, and the fermentation machine 60 is also an existing device in the market and is not described herein. And conveying the dehydrated fourth material to a fermentation machine 60 through a conveyor for fermentation, wherein the fermented product is used for breeding the hermetia illucens.
According to the feed for feeding the hermetia illucens, the kitchen waste is subjected to impurity removal, crushing, dehydration and fermentation treatment, so that the resourceful treatment of the kitchen waste is realized. In the impurity removal process, firstly, the kitchen waste is primarily crushed and sieved by the sorting machine 10, metal and plastic products are not easy to crush, so that metal and plastic products with larger volume are sieved and separated, glass and ceramic products are fragile, the glass and ceramic products are crushed and sieved, so that the first material contains glass and ceramic fragments and also contains metal with small volume, then the residual metal in the first material is further removed by the magnetic separator 20 to obtain a second material, the second material is crushed by the crusher 30, the second material is mixed with water after being crushed, and then the ceramic glass fragments in the second material are separated by the hydrocyclone 40, so that inorganic substances such as packaging bags, beverage bottles, metal products, porcelain, glass products and the like in the kitchen waste can be more thoroughly screened out, and the organic matter content of the kitchen waste is improved, the survival rate of the cultured hermetia illucens is ensured.
The oil-water separator 70 is used for separating grease and sewage in an oil-water mixture, and the oil-water separator 70 belongs to the existing equipment on the market and is not described herein. The oil-water separator 70 heats the oil-water mixture, the oil floats on the surface of the water because the specific gravity of the oil is lighter than that of the water, the oil is discharged through an oil outlet at the upper end of the oil-water separator 70, the oil is recycled, and the sewage enters the sewage treatment system through a sewage outlet at the lower part.
The air floating machine 80 is used for removing scum in sewage, and the air floating machine 80 belongs to the existing equipment in the market and is not described herein. The sewage separated by the oil-water separator 70 still contains high organic matters, macromolecular substances are filtered by the air flotation machine 80, the contents of COD, BOD, ammonia, nitrogen and organic matters are reduced, and the next-stage sewage enters a sewage treatment system for treatment.
The stacking machine 90 is used for dewatering the scum separated from the sewage to obtain a fourth material, and the stacking machine 90 belongs to the existing equipment in the market and is not described herein. The dross moisture content that separates through air supporting machine 80 is very high, can't the direct use and the transportation, and these dregs are leaked through the extrusion of screw press 50 in addition, so the granule is very little, can't dewater with screw press 50 secondary, so choose to fold spiral shell machine 90 and dewater these dross, and then be used for heisui river horsefly to breed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides an utilize heisui river horsefly to carry out kitchen garbage resourceful treatment's system which characterized in that includes:
the sorting machine is used for primarily crushing the kitchen waste and screening out metal and plastic products with larger volumes to obtain a first material;
the magnetic separator is used for removing the residual metal in the first material to obtain a second material;
a crusher for crushing a second material;
a hydrocyclone for separating a slurry of the crushed second material mixed with water into a third material and ceramic glass fragments of greater specific gravity;
a presser for pressing the third material so that the third material is separated into a fourth material and an oil-water mixture;
and the fermentation machine is used for fermenting the fourth material to form the feed of the hermetia illucens.
2. The system for recycling kitchen waste by using hermetia illucens according to claim 1, further comprising:
the oil-water separator is used for separating grease and sewage in the oil-water mixture;
the air floatation machine is used for removing scum in the sewage;
and the screw stacking machine is used for dehydrating scum separated from the sewage to obtain a fourth material.
3. The system for recycling kitchen waste with hermetia illucens according to claim 1 or 2, characterized in that said sorting machine comprises:
the screening cylinder is connected with a feed hopper at the upper side close to the first end of the screening cylinder, the lower part of the end surface of the second end of the screening cylinder is connected with a first discharge hopper, screen holes are distributed on the cylinder wall of the lower half part of the screening cylinder, and a second discharge hopper connected to the cylinder wall of the screening cylinder is arranged below the screen holes;
agitating unit, agitating unit including coaxial rotation install in (mixing) shaft in the screening section of thick bamboo, along axial distribution in a plurality of puddlers of (mixing) shaft periphery and be used for the drive (mixing) shaft pivoted actuating mechanism.
4. The system for recycling kitchen waste by using hermetia illucens as claimed in claim 3, wherein the outer circumferential surface of the stirring shaft is axially provided with stirring rod accommodating grooves corresponding to the stirring rods one by one, one end of each stirring rod is rotatably installed in each stirring rod accommodating groove through a rotating pin, each stirring rod can be rotatably unfolded around the rotating pin or can be accommodated in each stirring rod accommodating groove, each stirring rod abuts against the groove wall of the first end of each stirring rod accommodating groove when being unfolded, and a torsion spring capable of unfolding each stirring rod is sleeved on each rotating pin;
sorting machine still includes clearance mechanism, clearance mechanism includes:
the annular part is sleeved on the stirring shaft and is adaptive to the screening cylinder, the first end of the annular part is connected with a sleeve which can be sleeved on the stirring shaft, the sleeve extends out of the first end of the screening cylinder, the first end of the stirring shaft penetrates into the annular part, and the second end of the stirring shaft penetrates out of the second end of the screening cylinder and is in transmission connection with the first driving mechanism;
a second drive mechanism for driving the sleeve and the ring to move axially.
5. The system for recycling kitchen waste by using hermetia illucens as claimed in claim 4, wherein a cutting ring is arranged at the second end of the annular member, the outer circumferential surface of the cutting ring is matched with the screening cylinder, and an annular groove is formed between the inner circumferential surface of the cutting ring and the stirring shaft.
6. The system for recycling kitchen waste by using hermetia illucens according to claim 5, wherein an annular scraper is adapted in the annular groove, and a first cylinder for driving the annular scraper to move along the axial direction of the annular groove is further arranged on the annular member.
7. The system for recycling kitchen waste by using hermetia illucens as claimed in claim 4, wherein said first driving mechanism comprises a motor, said motor is fixed on the top of said sieving cylinder, and the output shaft of said motor is in belt transmission with the second end of said stirring shaft.
8. The system for recycling kitchen waste by using hermetia illucens as claimed in claim 4, wherein said first end of said sleeve is provided with a connecting plate extending to both sides thereof, said second driving mechanism comprises two second cylinders mounted on both sides of the outside of said sieving cylinder, and the output shafts of said second cylinders are connected to said connecting plate.
9. The system for recycling kitchen waste by using hermetia illucens according to claim 4, wherein a third discharge hopper is connected to the lower side of the first end of the screening cylinder, and the ring-shaped member blocks the third discharge hopper when being located at the first end of the screening cylinder.
10. The system for recycling kitchen waste by using hermetia illucens as claimed in claim 3, wherein said sieving cylinder is disposed obliquely, and the height of one end of the sieving cylinder close to the feeding hopper is higher than that of one end of the sieving cylinder close to the first discharging hopper.
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| CN110899303B (en) | 2020-10-09 |
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