CN108704923A - Kitchen castoff processing system - Google Patents
Kitchen castoff processing system Download PDFInfo
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- CN108704923A CN108704923A CN201810588648.3A CN201810588648A CN108704923A CN 108704923 A CN108704923 A CN 108704923A CN 201810588648 A CN201810588648 A CN 201810588648A CN 108704923 A CN108704923 A CN 108704923A
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- 238000012545 processing Methods 0.000 title claims abstract description 123
- 239000007791 liquid phase Substances 0.000 claims abstract description 129
- 239000007790 solid phase Substances 0.000 claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 61
- 238000000855 fermentation Methods 0.000 claims abstract description 59
- 230000004151 fermentation Effects 0.000 claims abstract description 59
- 238000000926 separation method Methods 0.000 claims abstract description 49
- 239000012535 impurity Substances 0.000 claims abstract description 28
- 239000005416 organic matter Substances 0.000 claims abstract description 28
- 239000004519 grease Substances 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 30
- 239000012071 phase Substances 0.000 claims description 24
- 230000003139 buffering effect Effects 0.000 claims description 20
- 238000011282 treatment Methods 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 20
- 239000008187 granular material Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000000354 decomposition reaction Methods 0.000 claims description 16
- 230000003301 hydrolyzing effect Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004021 humic acid Substances 0.000 claims description 8
- 239000003337 fertilizer Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010564 aerobic fermentation Methods 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 230000001877 deodorizing effect Effects 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 claims 1
- 238000011026 diafiltration Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000010813 municipal solid waste Substances 0.000 description 10
- 239000000706 filtrate Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 238000010410 dusting Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000012216 screening Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000001131 transforming effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000003921 oil Substances 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to kitchen castoff processing technology field more particularly to a kind of kitchen castoff processing systems.The kitchen castoff processing system of the present invention, including：Initial gross separation equipment is initially separated into percolate, solid refuse and wet feed for receiving kitchen castoff, and by kitchen castoff；Wet feed processing equipment carries out press dewatering processing for receiving wet feed, and to wet feed, obtains wet feed liquid phase and wet feed solid phase；Liquid phase processing equipment is further separated into grease, organic matter and liquid phase impurity for receiving percolate and wet feed liquid phase, and by the mixed liquor of percolate and wet feed liquid phase；Fermentation raw material fermentation is biological fermentate for receiving wet feed solid phase and organic matter, and after wet feed solid phase and organic matter are mixed into fermentation raw material with auxiliary material by material fermentation equipment.The kitchen castoff processing system of the present invention, can fast and efficiently handle kitchen castoff, solve the problems, such as that prior art processing kitchen castoff can cause secondary pollution to environment.
Description
Technical field
The present invention relates to kitchen castoff processing technology field more particularly to a kind of kitchen castoff processing systems.
Background technology
As catering trade rapidly develops, kitchen castoff also increases rapidly therewith.Statistics display, China's kitchen castoff account for
Municipal domestic waste proportion approximate range is 37%-62%, and Chinese main cities generate kitchen castoff amount and are not less than every year
60000000 tons.
Kitchen castoff refers to the swill and waste material generated in the activity of serving the meals etc. of family, catering service and unit.If
Kitchen castoff reenters food chain by illegal channels, then can cause various food-safety problems；If transport, adds storage
Work processing procedure is improper, also easily causes environmental pollution, influences city appearance.
The existing treatment technology to kitchen castoff mainly has landfill, burning and recycling treatment.It is reported that from environment
Benefit angle sees that the landfill gas and percolate of the fermented generation of landfill disposal can cause secondary pollution to environment；Using burning method,
More sufficient firing efficiency 90% discharges CO2, SO2 year respectively up to 86000t and 295t；And to changing food waste into resources profit
With meeting national policy trend.
But the existing method that recycling is carried out to kitchen garbage, operating cost is higher, the meal being not only unfavorable for
Kitchen rubbish scale processing, it is also possible to generate secondary pollution.
Therefore, for the above deficiency, it is desirable to provide a kind of kitchen for capableing of quick, inexpensive progress scale processing is discarded
Object processing system.
Invention content
(1) technical problems to be solved
It is discarded to kitchen the technical problem to be solved by the present invention is to solve kitchen castoff processing equipment in the prior art
When object is handled, the problem of secondary pollution being caused to environment.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of kitchen castoff processing systems, including：
Initial gross separation equipment, initial gross separation equipment is for receiving kitchen castoff, and by kitchen castoff initial gross separation
For percolate, solid refuse and wet feed；
Wet feed processing equipment, the entrance of wet feed processing equipment is connected with the wet feed outlet of initial gross separation equipment, for receiving
Wet feed, and press dewatering processing is carried out to wet feed, obtain wet feed liquid phase and wet feed solid phase；
The entrance of liquid phase processing equipment, liquid phase processing equipment is handled with the liquid-phase outlet of initial gross separation equipment and wet feed respectively
The liquid-phase outlet of equipment connects, for receiving percolate and wet feed liquid phase, and by percolate and the mixed liquor of wet feed liquid phase into one
Step is separated into grease, organic matter and liquid phase impurity；
The entrance of material fermentation equipment, material fermentation equipment is handled with the solid-phase outlet of wet feed processing equipment and liquid phase respectively
The solid-phase outlet of equipment connects, and is mixed with auxiliary material for receiving wet feed solid phase and organic matter, and by wet feed solid phase and organic matter
It is biological fermentate by fermentation raw material fermentation after fermentation raw material.
Further, initial gross separation equipment includes：
Kitchen castoff is separated by filtration as percolate and solid phase by material feeding machine, material feeding machine for receiving kitchen castoff
Waste；
The solid-phase outlet of bag-breaking machine, the entrance of bag-breaking machine and receiver bin connects, for receiving solid phase waste, and by solid phase
Waste is smashed to discard composition granule；
The outlet of sorting machine, the entrance and bag-breaking machine of sorting machine connects, for receiving discarded composition granule, and to waste
Grain is sorted, and discarded composition granule is made to be separated into solid refuse and wet feed；The solid-phase outlet of sorting machine constitutes initial gross separation equipment
Solid-phase outlet, the wet feed export mixes initial gross separation equipment of sorting machine wet feed outlet.
Further, material feeding machine includes receiver bin and water filter plate, and water filter plate is set in receiver bin, the top shape of receiver bin
At the entrance of receiver bin, the side wall of receiver bin is equipped with the solid-phase outlet of receiver bin, and the bottom of receiver bin is equipped with the liquid phase of receiver bin
Kitchen castoff is separated by filtration as percolate and solid phase waste by outlet, water filter plate.
Further, bag-breaking machine includes the broken bag inner cylinder and broken bag outer barrel of coaxial arrangement, and broken bag outer sleeve is set in broken bag
On cylinder；The entrance of broken bag inner cylinder is connect by Shaftless screw conveyor with the solid-phase outlet of material feeding machine；In broken bag outer barrel and broken bag
Corresponding one end in outlet of cylinder is equipped with several blades, and is connect with the entrance of sorting machine；Broken bag outer barrel can be with cutting blade phase
For broken bag inner cylinder rotating；Wherein, the solid-phase outlet broken bag inner cylinder of Shaftless screw conveyor and material feeding machine is structure as a whole.
Further, wet feed processing equipment includes wet feed buffering chamber and the first dewaterer, the top entry of wet feed buffering chamber
The entrance of wet feed processing equipment is formed, the top entry of wet feed buffering chamber is connected with the wet feed outlet of initial gross separation equipment；The
One dewaterer is set to the bottom of wet feed buffering chamber, and the entrance of the first dewaterer and the outlet at bottom of wet feed buffering chamber connect
It connects, the solid-phase outlet of the first dewaterer constitutes the solid-phase outlet of wet feed processing equipment, and the liquid-phase outlet composition of the first dewaterer is wet
Expect the wet feed outlet of processing equipment.
Further, liquid phase processing equipment includes：
Liquid phase holding vessel, the entrance of stored in liquid phase tank respectively with the liquid-phase outlet of initial gross separation equipment and wet feed processing equipment
Liquid-phase outlet connection, for receiving percolate and liquid phase wet feed, and be mixed as mixed liquor；
The entrance of damp and hot hydrolytic decomposition pot, damp and hot hydrolytic decomposition pot is connect with the outlet of stored in liquid phase tank, and damp and hot hydrolytic decomposition pot receives liquid phase
The mixed liquor that storage tank conveys in batches, and to the mixture of the damp and hot hydrolysis solid impurity and oil residue of mixed liquor
Second dewaterer, the entrance of the second dewaterer are connect with the outlet of damp and hot hydrolytic decomposition pot, receive mixture, and will mixing
It is organic matter and oil residue that object essence press dewatering, which is separated into,；The solid-phase outlet of second dewaterer constitutes consolidating for liquid phase processing equipment
Mutually export；
The entrance connection of three-phase separator, the liquid-phase outlet and three-phase separator of the second dewaterer connects, three-phase separator
Oil residue is separated into liquid impurity and grease；The liquid phase that the liquid-phase outlet of three-phase separator constitutes liquid phase processing equipment goes out
Mouthful, the grease outlets of three-phase separator constitute the grease outlets of liquid phase processing equipment.
Further, material fermentation equipment includes：
Mixer, the entrance of mixer and the solid-phase outlet of wet feed processing equipment, the solid-phase outlet of liquid phase processing equipment and
The outlet in auxiliary material storehouse connects, and receives wet feed solid phase, organic matter and auxiliary material and is mixed into fermentation raw material；
The outlet of biochemical processor, the entrance and mixer of biochemical processor connects, and receives fermentation raw material, and make proferment
Material aerobic fermentation in biochemical processor is biological fermentate.
Further, the fermentation heat source of biochemical processor is steam, the pressure < 0.4MPa of steam；Steam makes biochemical treatment
The fermentation temperature of fermentation raw material in machine remains 60 DEG C~80 DEG C.
Further, further include equipment for after-treatment, the entrance of equipment for after-treatment is connect with the outlet of material fermentation equipment, will
Biofermentation object is processed as biological humic acid fertilizer.
Further, further include deodoration system, deodoration system respectively with initial gross separation equipment, wet feed processing equipment, liquid phase
Processing equipment, material fermentation equipment are connected with equipment for after-treatment, are collected to foul smell and deodorizing process.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the following advantages that compared with prior art：
The kitchen castoff processing system of the present invention has liquid phase processing equipment, the mixed liquor of percolate and wet feed liquid phase
It is further separated into grease, organic matter and liquid phase impurity, liquid phase impurity can be handled by sewage disposal system, grease energy
It is enough handled by grease purification system, organic matter can ferment into material fermentation equipment together with wet feed solid phase, can
Improve the utilization rate of kitchen castoff.Simultaneously as wet feed liquid phase is further processed, the grease and liquid phase isolated after processing
Impurity being capable of simple, the problem of being easy to carry out purified treatment, preventing the secondary pollution to environment.
Description of the drawings
Fig. 1 is the structural schematic diagram of kitchen castoff processing system of the embodiment of the present invention；
Fig. 2 is the concrete structure schematic diagram of the kitchen castoff processing system of one embodiment of the invention；
Fig. 3 is the work flow diagram of kitchen castoff processing system shown in Fig. 2.
Reference numeral：10, initial gross separation equipment；11, material feeding machine；12, bag-breaking machine；13, sorting machine；14, shaftless screw is defeated
Send machine；15, first " Z " font drag conveyor；20, wet feed processing equipment；21, wet feed buffering chamber；22, the first dewaterer；23,
Four axis spiral agitators；30, liquid phase processing equipment；31, filtrate collecting tank；32, stored in liquid phase tank；33, damp and hot hydrolytic decomposition pot；
34, the second dewaterer；35, three-phase separator；36, sewage disposal system 40, material fermentation equipment；41, mixer；42, biochemical
Processor；43, second " Z " font drag conveyor；50, equipment for after-treatment.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of kitchen castoff processing system of the present invention, including the processing of initial gross separation equipment 10, wet feed
Equipment 20, liquid phase processing equipment 30 and material fermentation equipment 40, wherein the entrance of wet feed processing equipment 20 and initial gross separation equipment
10 wet feed outlet connection, the entrance of liquid phase processing equipment 30 are handled with the liquid-phase outlet of initial gross separation equipment 10 and wet feed respectively
The liquid-phase outlet of equipment 20 connects, the entrance of material fermentation equipment 40 respectively with the solid-phase outlet and liquid phase of wet feed processing equipment 20
The solid-phase outlet of processing equipment 30 connects.
The operation principle of the embodiment of the present invention is：
Kitchen castoff is transported by dedicated closed garbage collecting and transferring vehicle and is poured onto in initial gross separation equipment 10, when preliminary point
After receiving the kitchen castoff that garbage collecting and transferring vehicle is toppled over from equipment 10, start the preprocessing process of kitchen castoff.Initial gross separation
Kitchen castoff can be initially separated into percolate, solid refuse and wet feed by equipment 10.Percolate after separation is transported to
Liquid phase processing equipment 30；Solid refuse is sorted out, is handled by land-fill method；Wet feed after separation is transported at wet feed
Manage equipment 20.After wet feed processing equipment 20 receives wet feed, press dewatering processing is carried out to wet feed, wet feed is detached and is obtained wet
Feed liquid phase and wet feed solid phase.Wet feed liquid phase after separation is transported to liquid phase processing equipment 30；Wet feed solid phase after separation is defeated
It send to material fermentation equipment 40.After liquid phase processing equipment 30 receives percolate and wet feed liquid phase, percolate and wet feed liquid phase are mixed
It closes, the mixed liquor of percolate and wet feed liquid phase is then further separated into grease, organic matter and liquid phase impurity.Oil after separation
Fat is delivered to grease purification system；Liquid phase impurity after separation is delivered to sewage disposal system 36；Organic matter conveying after separation
To material fermentation system.After material fermentation equipment 40 receives wet feed solid phase and organic matter, by wet feed solid phase and organic matter and auxiliary material
It is mixed into fermentation raw material, is then biological fermentate by fermentation raw material fermentation.
The kitchen castoff processing system of the present invention can be by percolate and wet feed due to liquid phase processing equipment 30
The mixed liquor of liquid phase is separated into grease, organic matter and liquid phase impurity, and liquid phase impurity is enable to be carried out by sewage disposal system 36
Processing, grease can be handled by grease purification system, organic matter can enter material fermentation equipment 40 and wet feed solid phase
It ferments together.Therefore, it is possible to improve the utilization rate of kitchen castoff, the treatment effeciency of kitchen castoff processing system, drop are improved
The low secondary pollution to environment.
As shown in Fig. 2, in the embodiment of the present invention, initial gross separation equipment 10 includes material feeding machine 11, bag-breaking machine 12 and sorting machine
13.The entrance of bag-breaking machine 12 and the solid-phase outlet of receiver bin connect, and the entrance of sorting machine 13 is connect with the outlet of bag-breaking machine 12, point
The solid-phase outlet of machine 13 is selected to constitute the solid-phase outlet of initial gross separation equipment 10, the wet feed export mixes initial gross separation of sorting machine 13 is set
Standby 10 wet feed exports.Material feeding machine 11 can receive the kitchen castoff that garbage collecting and transferring vehicle is toppled over, and kitchen castoff is filtered
It is separated into percolate and solid phase waste, bag-breaking machine 12 can receive solid phase waste, and it is discarded that solid phase waste, which is smashed,
Composition granule, sorting machine 13 can receive discarded composition granule, and be sorted to discarded composition granule, so that discarded composition granule is separated into solid
Body rubbish and wet feed.
Specifically, material feeding machine 11 may include receiver bin and water filter plate, and water filter plate is horizontally placed in receiver bin, for pair
Kitchen castoff is filtered, and kitchen castoff is separated by filtration as percolate and solid phase waste.The top of receiver bin is formed
The entrance of receiver bin, the kitchen castoff toppled over for receiving garbage collecting and transferring vehicle.The side wall of receiver bin is equipped with the solid phase of receiver bin
Outlet, solid-phase outlet are located at the top of water filter plate.The bottom of receiver bin is equipped with the liquid-phase outlet of receiver bin.
In embodiments of the present invention, seal closure is also provided at the top of receiver bin, seal closure can cover receiving warehouse
Entrance, prevent the smelling out of kitchen castoff.Rubbish material feeding machine 11 can also be set in receiver bin, and material feeding machine 11 is set to
Between the entrance and water filter plate of receiver bin, for being transported kitchen castoff to water filter plate from the entrance of receiver bin.
In embodiments of the present invention, the solid phase waste of small volume enters liquid phase and goes out from through water filter plate in order to prevent
Mouthful, the aperture of water filter plate can be 5mm.The liquid-phase outlet of receiver bin can be connected with diversion trench, and the percolate of outflow can lead to
It crosses diversion trench and flows into liquid phase processing equipment 30 in a manner of flowing automatically.
In embodiments of the present invention, Shaftless screw conveyor 14 is for rubbish solid phase waste to be delivered to brokenly by receiver bin
Bag machine 12, bag-breaking machine 12 are coaxially disposed with Shaftless screw conveyor 14, and bag-breaking machine 12 is facilitated to cut solid phase waste.Together
When, the circular hole that aperture is 5mm can also be opened up on the casing of Shaftless screw conveyor 14, circular hole is located at the top of diversion trench,
During being transmitted to solid phase waste, it can also be filtered, and isolate percolate.
In embodiments of the present invention, bag-breaking machine 12 may include the broken bag inner cylinder and broken bag outer barrel of coaxial arrangement, outside broken bag
Jacket casing is set on broken bag inner cylinder.The entrance of broken bag inner cylinder is connected by the solid-phase outlet of Shaftless screw conveyor 14 and material feeding machine 11
It connects, broken bag outer barrel one end corresponding with the outlet of broken bag inner cylinder is equipped with several blades, and is connect with the entrance of sorting machine 13.It is broken
Bag outer barrel can be with cutting blade relative to broken bag inner cylinder rotating.
In embodiments of the present invention, 6 blades can be provided on the end face of broken bag outer barrel, 6 blades are along broken bag outer barrel
The circumferential direction of end face be uniformly arranged, the solid phase of process can be given up when broken bag outer barrel has driven relative to broken bag inner cylinder rotating
Gurry scratches.
In embodiments of the present invention, Shaftless screw conveyor 14 and the solid-phase outlet broken bag inner cylinder of material feeding machine 11 are integrated knot
Structure, it is not in the omission and outflow of liquid in transmission process to make solid phase waste.
In embodiments of the present invention, since Shaftless screw conveyor 14 has certain rotating speed, with Shaftless screw conveyor
The 14 broken bag inner cylinders being fixedly connected also are rotated with Shaftless screw conveyor 14 at the same speed, and therefore, broken bag outer barrel is needed to be more than broken bag
The rotating speed of inner cylinder is rotated, to be rotated relative to broken bag inner cylinder.
The outlet of bag-breaking machine 12 is connect by screw conveyor with sorting machine 13, the discarded composition granule that bag-breaking machine 12 is broken up
Sorting machine 13 is sent by screw conveyor.Sorting machine 13 is by polybag, vial, metal in discarded composition granule etc. to subsequently setting
The solid refuse that has destruction or cannot be utilized by subsequent technique sorts out, into landfill link.Sorting machine 13 will
Available solid and liquid, that is, wet feed are sent into wet feed by the first closed " Z " font drag conveyor 15 in discarded composition granule
Processing equipment 20.
In the embodiment of the present invention, wet feed processing equipment 20 includes wet feed buffering chamber 21 and the first dewaterer 22.Wherein, first
Dewaterer 22 is smart squeezing dewatering machine.The top entry of wet feed buffering chamber 21 forms the entrance of wet feed processing equipment 20, and wet feed is slow
The top entry of storage 21 and the wet feed outlet of initial gross separation equipment 10 connect.First dewaterer 22 is set to wet feed buffering chamber
21 bottom, and the entrance of the first dewaterer 22 is connect with the outlet at bottom of wet feed buffering chamber 21.Wherein, the first dewaterer 22
Solid-phase outlet constitute the solid-phase outlet of wet feed processing equipment 20, the liquid-phase outlet of the first dewaterer 22 constitutes wet feed processing equipment
20 wet feed outlet.
In embodiments of the present invention, it is equipped with two group of four axis spiral agitator 23 in wet feed buffering chamber 21, is used for wet feed
The first dewaterer 22 of bottom is transmitted to from the top entry of wet feed buffering chamber 21.In the rotary shaft of four axis spiral agitators 23
It can be fixed with the crushing cutter of helical arrangement, therefore wet feed can further be broken during conveying wet feed
It is broken, so that wet feed buffering chamber 21 is integrated wet feed caching, drainage, broken and pressure-sizing squeezing dehydrating function, has the function of anti-arc.
Meanwhile the cutter in every group of rotary shaft effectively engages, opposite differential speed rotation, makes cutter that there is the slow-speed of revolution, the operating of large torque to imitate
Fruit.In addition, when rotary shaft is static, wet feed is square on the rotary shaft, wet feed liquid phase can be made to leak down, wet feed liquid phase can increase wet
The mobility of material will not cause knot to encircle.
In embodiments of the present invention, 22 dewatered wet feed solid phase of the first dewaterer enters wet feed metering and conveying device.Point
The wet feed liquid phase separated out enters liquid phase processing equipment 30 by diversion trench gravity flow.
In embodiments of the present invention, liquid phase processing equipment 30 includes liquid phase holding vessel, damp and hot hydrolytic decomposition pot 33, the second dewaterer
34 and three-phase separator 35.Wherein, the second dewaterer 34 is smart squeezing dewatering machine.The entrance of stored in liquid phase tank 32 respectively with tentatively
The liquid-phase outlet of separation equipment 10 is connected with the liquid-phase outlet of wet feed processing equipment 20, and entrance and the liquid phase of damp and hot hydrolytic decomposition pot 33 are deposited
The outlet of storage tank 32 connects, and the entrance of the second dewaterer 34 is connect with the outlet of damp and hot hydrolytic decomposition pot 33, the liquid of the second dewaterer 34
Mutually outlet connect connection with the entrance of three-phase separator 35.Wherein, the solid-phase outlet of the second dewaterer 34 constitutes liquid phase processing and sets
Standby 30 solid-phase outlet, the liquid-phase outlet of three-phase separator 35 constitute the liquid-phase outlet of liquid phase processing equipment 30, three-phase separator
35 grease outlets constitute the grease outlets of liquid phase processing equipment 30.
In embodiments of the present invention, liquid phase processing equipment 30 further includes filtrate collecting tank 31, is set for collecting initial gross separation
The percolate and wet feed liquid phase isolated for 10 and wet feed processing equipment 20, it is then that the percolate being collected into and wet feed liquid phase is defeated
It send to stored in liquid phase tank 32.
Percolate and wet feed liquid phase in filtrate collecting tank 31 are sent into liquid phase holding vessel by pumping to be promoted, when liquid phase holding vessel
After receiving percolate and liquid phase wet feed, it can be mixed as the mixed liquor of percolate and liquid phase wet feed.In liquid phase holding vessel
Percolate and the mixed liquor of liquid phase wet feed damp and hot hydrolytic decomposition pot 33 can be pumped by batch, damp and hot hydrolytic decomposition pot 33 can be with receiving liquid
The mixed liquor of percolate and liquid phase wet feed that phase storage tank 32 conveys in batches, and the mixed liquor of percolate and liquid phase wet feed is damp and hot
It is hydrolyzed to the mixture of solid small particles impurity and oil residue.Solid small particles impurity and fluid in damp and hot hydrolytic decomposition pot 33 is miscellaneous
The mixture of matter can be delivered to the second dewaterer 34 using delivery pump, and the second dewaterer 34 can receive solid impurity and fluid
The mixture of impurity, and the mixture of solid impurity and oil residue is separated into organic matter by smart press dewatering and fluid is miscellaneous
Matter.Oil residue can be separated into liquid impurity and grease by three-phase separator 35.
In embodiments of the present invention, when the second dewaterer 34 is further separated by solid-liquid separation, solid small particles impurity and
Solid impurity of the grain size more than 2mm is sorted out as organic matter in the mixture of oil residue.The organic matter sorted out
It is sent to material fermentation equipment 40 by conveying device.
In embodiments of the present invention, liquid phase processing equipment 30 further includes mixed liquor agitator tank, and mixed liquor agitator tank is connected to
Between second dewaterer 34 and three-phase separator 35.The oil residue that second dewaterer 34 is isolated enters mixed liquor by gravity flow
Agitator tank, the oil residue being stirred, which is conveyed by screw pump in three-phase separator 35, carries out oil, water, solid three-phase separate
From.The grease isolated is transported to grease purification system.The liquid impurity isolated enters sewage disposal system by pipeline
36。
In the embodiment of the present invention, material fermentation equipment 40 includes mixer 41 and biochemical processor 42.Mixer 41 enters
Mouth is connect with the outlet of the solid-phase outlet of wet feed processing equipment 20, the solid-phase outlet of liquid phase processing equipment 30 and auxiliary material storehouse, biochemical
The entrance of processor 42 is connect with the outlet of mixer 41.Mixer 41 can receive wet feed solid phase, organic matter and auxiliary material and mix
It is combined into fermentation raw material, biochemical processor 42 can receive fermentation raw material, and make fermentation raw material aerobic hair in biochemical processor 42
Ferment is biological fermentate.
It wherein, can be by spiral metering and conveying device according to preset numerical value, directly by wet feed solid phase, organic matter
It is transported in mixer 41 and is puddled with auxiliary material.Metering and conveying device can be controlled by control system, and spiral shell is measured by control
The rotating speed for revolving the frequency converter adjustment spiral of conveying device, makes the actual fed amount of spiral metering and conveying device be consistent with setting value
It closes.It is quantitative, automatic therefore, it is possible to used spiral metering and conveying device, continuous to be fed for mixer 41.
Fermentation raw material after puddling uniformly can be delivered to biochemical processor by the second " Z " font drag conveyor 43
42, while certain biological humic acid transforming agent is added by finlling automatically device and enters the progress biology aerobic of biochemical processor 42
Fermentation.Wherein, during biochemical treatment, fermentation raw material carries out biology aerobic fermentation under totally-enclosed state.Biochemical processor 42
Fermentation heat source be steam, the pressure < 0.4MPa of steam；Steam makes the fermentation temperature of the fermentation raw material in biochemical processor 42
60 DEG C~80 DEG C are remained, operating pressure is 0.25MPa~0.4MPa, and is passed through a certain amount of oxygen.In the defined time
Interior, moisture content is adjusted to 55% or so, into aerobic fermentation system.Under the effect of biological humic transforming agent, by 10-12h
Biochemical degradation, condensation, polymerisation, complete quick humification process in integrated equipment, be converted into a kind of life of high activity
Object fermentate.42 lower section of biochemical processor, middle part are equipped with the belt conveyor with seal closure, and biofermentation object is transported to deep processing
Workshop.
In the embodiment of the present invention, kitchen castoff processing system further includes equipment for after-treatment 50, and equipment for after-treatment 50 enters
Mouth is connect with the outlet of material fermentation equipment 40, and biofermentation object is processed as biological humic acid fertilizer.
Equipment for after-treatment 50 includes primary screening machine, coarse fodder storehouse, dusting cover extension set, fines storehouse and pulverizer.Belt conveyor
Biofermentation object after fermentation is sent into primary screening machine, primary screening is carried out to biofermentation object in primary screening machine
After be directly entered coarse fodder storehouse.Biofermentation object in coarse fodder storehouse is admitted to dusting cover extension set, the object in dusting cover extension set under dusting cover sub-sieve
Material is admitted to fines storehouse.Wherein, vibrating screen is equipped in dusting cover extension set, the mesh size of vibrating screen is 6mm, it is impossible to is fermented
Impurity, which screens out, to be come, and the material after screening is admitted to fines storehouse.The material in fines storehouse is sent by screw conveyor to pulverizer powder
Broken, manufactured biological humic acid fertilizer is sent to finished bin after crushing, and entering packaging link by finished bin is processed into finished product.
In embodiments of the present invention, kitchen castoff processing system further includes deodoration system, deodoration system respectively with tentatively
Separation equipment 10, wet feed processing equipment 20, liquid phase processing equipment 30, material fermentation equipment 40 and equipment for after-treatment 50 connect, right
Foul smell is collected and deodorizing process.Initial gross separation equipment 10, wet feed processing equipment 20 and liquid phase processing equipment 30 are equipped with smelly
Gas collection port is used for collection of the deodoration system to foul smell, wherein the foul smell collection port of initial gross separation equipment 10 is set to seal closure
Top.The foul smell being collected into is sent into deodoration system and carries out deodorization, with qualified discharge.In addition to this, material fermentation equipment 40 is arranged
The foul smell of collection exhaust duct, biochemical processor 42 is sent by exhaust duct collection to deodoration system, qualified discharge.
In embodiments of the present invention, auxiliary material storehouse, coarse fodder storehouse, fines storehouse, pulverizer, finished bin are also hermetic design, and are set
There is dust-extraction unit.
As shown in figure 3, the workflow of the kitchen castoff processing system of the embodiment of the present invention is：
(1) initial gross separation.Kitchen castoff is transported by dedicated closed garbage collecting and transferring vehicle and is poured onto in receiver bin, by
Feed bin realizes that the preliminary separation of solid and liquid of kitchen castoff, the solid phase waste after separation enter bag-breaking machine 12 by water filter plate.Point
The percolate separated out enters filtrate collecting tank 31 by gravity flow.
(2) broken bag.Solid phase waste is broken up in bag-breaking machine 12.Discarded composition granule after breaing up enters sorting machine 13.
(3) automatic sorting.Sorting machine 13 has follow-up equipment polybag, vial, the metal etc. in discarded composition granule
Destruction or the impurity that cannot be utilized by subsequent technique sort out.
(4) wet feed is handled.Discarded composition granule after sorted enters wet feed buffering chamber 21, in wet feed buffering chamber 21 when discharging
Bottom smart press dewatering is carried out by the first dewaterer 22, dewatered organic wet feed solid phase enters metering and conveying device.Separation
The wet feed liquid phase gone out enters filtrate collecting tank 31 by gravity flow.
(5) the damp and hot hydrolysis of liquid phase.Percolate and wet feed liquid phase in filtrate collecting tank 31 are pumped into liquid phase holding vessel
The mixed liquor of mixing, mixed percolate and wet feed liquid phase is terminated by being pumped into damp and hot hydrolytic decomposition pot 33, damp-heat water solution in batches
After be pumped to the second dewaterer 34.
(6) smart press dewatering.The mixture of solid small particles impurity and oil residue after damp and hot hydrolysis is de- through essence second
After the processing of water dispenser 34, organic matter enters metering and conveying device, and oil residue enters three-phase separator 35.
(7) grease is extracted.After oil residue enters three-phase separator 35, by heating, pressurized treatments, it is miscellaneous to isolate liquid
Matter and grease, grease enter grease purification system, and liquid impurity enters sewage disposal system 36.
(8) material is puddled.Wet feed solid phase, organic matter and auxiliary material respectively by metering and conveying device in setting ratio continuously into
Enter and puddled in mixer 41, puddles uniform fermentation raw material and enter biochemical processor 42.
(9) biology aerobic ferments.Fermentation raw material add certain biological humic acid transforming agent in the biochemical processor 42 into
Row biology aerobic ferments, and biofermentation object enters equipment for after-treatment 50 after fermentation.
(10) deep processing.After sieving, being crushed etc. and be processed into, biology is made in equipment for after-treatment 50 in biofermentation object
Humic acid fertilizer finished product.
In conclusion the kitchen castoff processing system of the embodiment of the present invention, solves the rule for being suitble to kitchen castoff processing
The problem of modelling, automation and sustainability are run makes the processing of kitchen castoff switch to " production by resource " consumption-type "
Type " realizes the rapid translating produced from kitchen castoff to the recycling of biological humic acid fertilizer, is suitble to scale kitchen discarded
Object processing.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of kitchen castoff processing system, which is characterized in that including：
Initial gross separation equipment, the initial gross separation equipment are used to receive kitchen castoff, and the kitchen castoff is preliminary
It is separated into percolate, solid refuse and wet feed；
Wet feed processing equipment, the entrance of the wet feed processing equipment and the wet feed outlet of the initial gross separation equipment connect, and are used for
The wet feed is received, and press dewatering processing is carried out to the wet feed, obtains wet feed liquid phase and wet feed solid phase；
Liquid phase processing equipment, the entrance of the liquid phase processing equipment respectively with the liquid-phase outlet of the initial gross separation equipment and described
The liquid-phase outlet of wet feed processing equipment connects, for receiving the percolate and the wet feed liquid phase, and by the percolate and
The mixed liquor of the wet feed liquid phase is further separated into grease, organic matter and liquid phase impurity；
Material fermentation equipment, the entrance of the material fermentation equipment respectively with the solid-phase outlet of the wet feed processing equipment and described
The solid-phase outlet of liquid phase processing equipment connects, and consolidates for receiving the wet feed solid phase and the organic matter, and by the wet feed
It is biological fermentate by fermentation raw material fermentation after phase and the organic matter are mixed into fermentation raw material with auxiliary material.
2. kitchen castoff processing system according to claim 1, it is characterised in that：The initial gross separation equipment includes：
Material feeding machine, the material feeding machine are separated by filtration for receiving the kitchen castoff, and by the kitchen castoff as diafiltration
Liquid and solid phase waste；
Bag-breaking machine, the entrance of the bag-breaking machine are connect with the solid-phase outlet of the receiver bin, for receiving the solid phase waste,
And the solid phase waste is smashed to discard composition granule；
Sorting machine, the entrance of the sorting machine are connect with the outlet of the bag-breaking machine, for receiving the discarded composition granule, and it is right
The discarded composition granule is sorted, and the discarded composition granule is made to be separated into solid refuse and wet feed；The solid phase of the sorting machine
The solid-phase outlet of initial gross separation equipment described in export mixes, initial gross separation equipment described in the wet feed export mixes of the sorting machine
Wet feed exports.
3. kitchen castoff processing system according to claim 2, it is characterised in that：
The material feeding machine includes receiver bin and water filter plate, and the water filter plate is set in the receiver bin, the top of the receiver bin
Portion forms the entrance of the receiver bin, and the side wall of the receiver bin is equipped with the solid-phase outlet of the receiver bin, the receiver bin
Bottom is equipped with the liquid-phase outlet of the receiver bin, and kitchen castoff is separated by filtration by the water filter plate to be discarded for percolate and solid phase
Object.
4. kitchen castoff processing system according to claim 3, it is characterised in that：
The bag-breaking machine includes the broken bag inner cylinder and broken bag outer barrel of coaxial arrangement, and the broken bag outer sleeve is set to the broken bag inner cylinder
On；The entrance of the broken bag inner cylinder is connect by Shaftless screw conveyor with the solid-phase outlet of material feeding machine；The broken bag outer barrel with
Corresponding one end in outlet of the broken bag inner cylinder is equipped with several blades, and is connect with the entrance of the sorting machine；The broken bag
Outer barrel can drive the blade relative to the broken bag inner cylinder rotating；Wherein, the Shaftless screw conveyor and the material feeding
Broken bag inner cylinder described in the solid-phase outlet of machine is structure as a whole.
5. kitchen castoff processing system according to claim 1, it is characterised in that：The wet feed processing equipment includes wet
Expect buffering chamber and the first dewaterer, the top entry of the wet feed buffering chamber forms the entrance of the wet feed processing equipment, described
The top entry of wet feed buffering chamber and the wet feed outlet of the initial gross separation equipment connect；First dewaterer is set to institute
The bottom of wet feed buffering chamber is stated, and the entrance of first dewaterer is connect with the outlet at bottom of the wet feed buffering chamber, institute
The solid-phase outlet for stating the first dewaterer constitutes the solid-phase outlet of the wet feed processing equipment, the liquid-phase outlet of first dewaterer
Constitute the wet feed outlet of the wet feed processing equipment.
6. kitchen castoff processing system according to claim 1, it is characterised in that：The liquid phase processing equipment includes：
Liquid phase holding vessel, the entrance of the stored in liquid phase tank respectively with the liquid-phase outlet of the initial gross separation equipment and the wet feed
The liquid-phase outlet of processing equipment connects, and for receiving the percolate and liquid phase wet feed, and is mixed as the mixed liquor；
Damp and hot hydrolytic decomposition pot, the entrance of the damp and hot hydrolytic decomposition pot are connect with the outlet of the stored in liquid phase tank, the damp and hot hydrolytic decomposition pot
The mixed liquor that the stored in liquid phase tank conveys in batches is received, and to the mixed liquor damp and hot hydrolysis solid impurity and oil
The mixture of liquid impurity
Second dewaterer, the entrance of second dewaterer are connect with the outlet of the damp and hot hydrolytic decomposition pot, receive the mixture,
And it is organic matter and the oil residue to be separated into the mixture essence press dewatering；The solid-phase outlet of second dewaterer
Constitute the solid-phase outlet of the liquid phase processing equipment；
The entrance connection of three-phase separator, the liquid-phase outlet and three-phase separator of second dewaterer connects, the three-phase separate
It disembarks and the oil residue is separated into the liquid impurity and the grease；The liquid-phase outlet of the three-phase separator constitutes institute
State the liquid-phase outlet of liquid phase processing equipment, the grease that the grease outlets of the three-phase separator constitute the liquid phase processing equipment goes out
Mouthful.
7. kitchen castoff processing system according to claim 1, it is characterised in that：The material fermentation equipment includes：
Mixer, the entrance of the mixer go out with the solid-phase outlet of the wet feed processing equipment, the solid phase of liquid phase processing equipment
Mouth is connected with the outlet in auxiliary material storehouse, is received the wet feed solid phase, the organic matter and the auxiliary material and is mixed into fermentation raw material；
The outlet of biochemical processor, the entrance and mixer of the biochemical processor connects, and receives the fermentation raw material, and make institute
It is the biofermentation object to state fermentation raw material aerobic fermentation in the biochemical processor.
8. kitchen castoff processing system according to claim 7, it is characterised in that：The fermentation fever of the biochemical processor
Source is steam, the pressure < 0.4MPa of the steam；The steam makes the hair of the fermentation raw material in the biochemical processor
Ferment temperature remains 60 DEG C~80 DEG C.
9. kitchen castoff processing system according to claim 1, it is characterised in that：Further include equipment for after-treatment, it is described
The entrance of equipment for after-treatment is connect with the outlet of the material fermentation equipment, and the biofermentation object is processed as biological humic acid
Fertilizer.
10. kitchen castoff processing system according to claim 9, it is characterised in that：Further include deodoration system, it is described to remove
Smelly system is set with the initial gross separation equipment, the wet feed processing equipment, the liquid phase processing equipment, the material fermentation respectively
It is standby to be connected with the equipment for after-treatment, foul smell is collected and deodorizing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810588648.3A CN108704923A (en) | 2018-06-08 | 2018-06-08 | Kitchen castoff processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810588648.3A CN108704923A (en) | 2018-06-08 | 2018-06-08 | Kitchen castoff processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108704923A true CN108704923A (en) | 2018-10-26 |
Family
ID=63871440
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810588648.3A Pending CN108704923A (en) | 2018-06-08 | 2018-06-08 | Kitchen castoff processing system |
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| CN102941208A (en) * | 2012-10-23 | 2013-02-27 | 冯幼平 | Food waste raw material receiving comprehensive treatment apparatus |
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Application publication date: 20181026 |