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CN110394355A - A kind of kitchen garbage continuity removes the gred de- liquid purification system and method - Google Patents

A kind of kitchen garbage continuity removes the gred de- liquid purification system and method Download PDF

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Publication number
CN110394355A
CN110394355A CN201910725411.XA CN201910725411A CN110394355A CN 110394355 A CN110394355 A CN 110394355A CN 201910725411 A CN201910725411 A CN 201910725411A CN 110394355 A CN110394355 A CN 110394355A
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CN
China
Prior art keywords
swill
kitchen garbage
slag
water
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910725411.XA
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Chinese (zh)
Inventor
杨启明
李莉娜
朱小康
王随林
李成
桂德新
施启军
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Chongzhou Yang Ming Electronic Products Co Ltd
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Chongzhou Yang Ming Electronic Products Co Ltd
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Priority to CN201910725411.XA priority Critical patent/CN110394355A/en
Publication of CN110394355A publication Critical patent/CN110394355A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1268Membrane bioreactor systems

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

A kind of kitchen garbage continuity removes the gred de- liquid purification system and method, the device feeding device, broken preheating device, thermal jet leaching de-oiling demineralizer, swill degreasing unit, effluent treatment plant, hot water supply system and slag phase dewatering device.The method integrates broken, heating, spray is washed away, is centrifugated and sewage purification technology, waste oil, the salinity on slag charge surface in kitchen garbage and internal package are effectively detached from away, swill after de-oiling desalination then passes through the dirty water decontamination handles regeneration, waste oil extracts crude oil can sale, waste water then becomes middle water, middle water can be used for making fertilizer etc., generate high-quality added value for the water such as system spray, the low solid slag of salt content.Therefore, the present invention has waste oil and solid slag separation more thoroughly, and the salinity in kitchen garbage can effectively remove, and not generate peculiar smell, environment-protecting clean, low power consumption and other advantages, and the whole resource utilizations for realizing kitchen garbage utilize.

Description

A kind of kitchen garbage continuity removes the gred de- liquid purification system and method
Technical field
It removes the gred the present invention relates to a kind of kitchen garbage continuity and takes off liquid purification system and method, belong to kitchen garbage regeneration and follow Ring utilizes field.
Background technique
The kitchen garbage in China accounts for municipal refuse ratio and weighs about 35~70%, and especially postprandial class kitchen garbage has high oil-containing The characteristics of rate, high salinity, high percentage of impurity, wherein the existing way of waste oil is to mix, be attached to water non-compatibilityly Solid slag surface is wrapped in solid slag.If oil-containing kitchen garbage is directly discharged into municipal wastewater pipeline, easily send out The problems such as raw pipeline wall built-up, blocking.Meanwhile China's overwhelming majority food and drink salt content is big, salt content is up to 2%~5%, if not It carries out effectively removing salt treatment, then the salinity contained will cause soil when carrying out compost with the solid slag in kitchen garbage Salinization of soil, this causes serious destruction to script rich soil, does not realize that the recycling of kitchen garbage is rationally sharp really With.The high kitchen garbage of salt content is directly used in power generation by waste combustion, easily promotes the generation of dioxin.Waste oil separation and desalination are kitchens Main difficult technical in garbage disposal is the important link of three changes processing.
In the prior art, for the processing of kitchen garbage frequently with natural subsidence and Laminar Flow mode, by slag, water and oil Filtered after layering, thus realize they separate purpose, however due to waste oil have freezing point it is low, be easily attached to slag surface or It is wrapped up in by cinder ladle, which is difficult to separate the oil in solid residue, and it is even more impossible to remove the salinity in solid residue.It is another Kind method is using immersion hot water the pre-heat treatment, and this method can effectively realize residual oil separation, but this method preheating time Length, kitchen garbage treatment effeciency are low, energy consumption is higher, can not work continuously, for the oil being wrapped in solid residue and absorption Salt on solid residue surface can not be removed effectively.
Summary of the invention
In view of the shortcomings of the prior art and defect, the object of the present invention is to provide a kind of slagging-off of kitchen garbage continuity De- liquid purification system and method solve kitchen garbage Zhong Shui, oil, salt, solid slag and efficiently separate, while significantly improving kitchen garbage The working efficiency and intelligence degree of processing work continuously and human cost are effectively reduced, do not generate any peculiar smell.
Technical scheme is as follows:
A kind of de- liquid purification system of kitchen garbage continuity slagging-off, the system contain feeding device, broken preheating device, heat Spray de-oiling demineralizer, swill degreasing unit, effluent treatment plant, hot water supply system and slag phase dewatering device;It is described Feeding device contains feed mechanism and normally closed feed bin;The broken preheating device contains crusher and pre- hot aggregate bin;Described Thermal jet leaching de-oiling demineralizer contains crawler type conveyer and thermal jet shower device with holes, which is located at crawler type with holes The top of conveyer;The swill degreasing unit is located at the lower section of crawler type conveyer with holes;It is set on swill degreasing unit Set oil extractor;The outlet of the swill degreasing unit and the entrance of effluent treatment plant connect;The hot water supply system packet Include broken preheating pipeline and shower water pipeline;The slag phase dewatering device includes the holding tank for being arranged in conveyer one end, carries out Belt slag conveyer, centrifugal separating device, manipulator, solid slag collecting bag and de- slag swill case;The holding tank passes through crawler type Slag conveyer is connected with centrifugal separating device;The de- slag swill case passes through pipeline and sewage pump and swill degreasing unit phase Even;The manipulator moves back and forth between centrifugal separating device and solid slag collecting bag.
Further, the swill degreasing unit includes swill collecting storehouse, filtering drawer, oil-water separation tank and mentions oil Device;The outlet in swill collecting storehouse is connected with the entrance of filtering drawer;Oil extractor is set on the side wall of oil-water separation tank, is mentioning oil The lower section of device is equipped with crude oil bucket.
Further, the effluent treatment plant includes settling tank, membrane bioreactor and middle pond;The grease Separate tank, settling tank, membrane bioreactor and middle pond are sequentially arranged and link together, and the air blower is by pipeline Membrane bioreactor provides aeration.
Further, the centrifugal separating device is by concentrator bowl, water-storing tray and centrifugal chiller at the concentrator bowl Side wall and bottom are equipped with the limbers that aperture is 1~10mm.
Further, effluent treatment plant outlet setting in water lines, in this in water lines setting in water pump and Heater, the broken preheating pipeline and shower water pipeline are connected with the outlet of heater.
Preferably, the thermal jet shower device uses tubular type spray thrower, disc type spray thrower or nozzle;The oil extractor is Belt oil extractor or overflow tubular type oil extractor.
It removes the gred the present invention also provides a kind of kitchen garbage continuity and takes off liquid purification method, mainly include the following steps:
1) kitchen garbage is poured into normally closed feed bin by feed mechanism, kitchen garbage falls into broken preheating from normally closed feed bin In device, after kitchen garbage breaking, by 35~95 DEG C of the hot water injection in broken preheating pipeline, and it is made to be preheating to 30 ~60 DEG C;
2) kitchen garbage after preheated is fallen on the crawler type conveyer with holes of thermal jet leaching de-oiling demineralizer, thermal jet leaching Device sprays 35~95 DEG C of hot water to rubbish, and the swill formed after spray flows into swill oil removing through the hole on crawler belt and fills In setting, under the continuous rotation of crawler belt, the wet slag after spray process is then fallen into the holding tank that conveyer one end is arranged in;
3) in swill degreasing unit, swill is collected by swill collecting storehouse, then carries out solid slag filtering, mistake through filtering drawer Swill after filter flows into oil-water separation tank, and swill natural layering forms oil reservoir, sewage layer and solid slag layer wherein, and oil is mentioned oil Device takes out, and the residue of sedimentation is discharged from the bottom of oil-water separation tank, and sewage is cleaned into middle water after then entering effluent treatment plant, Air blower takes the gas with foreign flavor generated in kitchen garbage treatment process away, and is sent in effluent treatment plant and carries out at purification Reason;
4) it falls into the wet slag in holding tank to be sent into centrifugal separating device by crawler type slag conveyer, the swill separated De- slag swill case is flowed by the road, then swill is sent into oil-water separation tank from de- slag swill case through sewage pump, then flows into dirt again Purified treatment is carried out in water purification installation;The filter residue separated then passes through manipulator and is put into solid slag collecting bag.
Hot water in above-mentioned step 1) and step 2) is the middle water after effluent treatment plant purified treatment, middle water warp Middle water pump and middle water lines enter heater and are heated, and form 35~95 DEG C of hot water;In step 1) after kitchen garbage breaking Size be greater than 0 be less than or equal to 3cm.
Compared with prior art, the present invention having the following advantages that and the technical effect of high-lighting: the present invention and the prior art Compare, have the following advantages that and the technical effect of high-lighting: 1. waste oil and solid slag separation be more thoroughly.With natural subsidence, be layered Oil strain slag isolation technics is compared, the present invention by the pre- thermal release of hot water, rotation crawler belt sprawl with heat water-spraying, centrifuge separation answer Conjunction mode, waste oil, the salinity for realizing solid phase slag charge surface and internal package can be separated, and it is completely de- to realize slag charge The purpose of oil.2. the salinity in kitchen garbage in solid slag can effectively remove, basis of the solid slag as compost ensure that Raw material.In conventional garbage processing technique, there has been no consideration desalination problems, therefore generate saline Land in compost, reduce The fertility of original soil.3. low energy consumption.In traditional technology, using the immersion type de-oiling of heat hot water, in output rubbish Swill and solid slag require heating very high temperature.Due to swill large percentage in kitchen garbage, after applying the present invention, only need The solid slag separated is sprayed, washes away processing and centrifuging treatment, consumed thermal energy is traditional technology The 1/3~1/2 of energy consumption.4. municipal sewage treatment load is effectively relieved.Through the invention to the de-oiling of sewage, desalination, grease After separation, swill becomes sewage, and then sewage directly becomes middle water, and municipal wastewater processing load is effectively reduced.5. middle water confession It uses by oneself, supply water without external.Obtained middle water after handling through the invention, water quality is preferable, be directly used in preheating of the invention and Spray-water supplies water without external.6. stink, peculiar smell etc. will not be generated in entire treatment process.The setting of kitchen garbage entrance is certainly Double-layer seal, the isolation technology for moving normally closed Hatch Opening, hot water preheating, it is excessive to reduce gas with foreign flavor;Meanwhile the drum that the present invention uses Blower negative pressure operation, the gas with foreign flavor avoided in kitchen garbage is excessive, and gas with foreign flavor is sent into membrane bioreactor simultaneously by blower While providing aeration for it, the microbial degradation in organic principle envelope biological reaction pool in gas will not outwardly expand Dissipate any peculiar smell.
Detailed description of the invention
Fig. 1 is system structure and process flow diagram of the invention.
Fig. 2 is the principle schematic diagram of present system embodiment.
Fig. 3 is the principle schematic diagram of centrifugal separating device of the invention.
In figure: 1- feeding device;2- is crushed preheating device;3- thermal jet drenches de-oiling demineralizer;4- swill degreasing unit;5- Effluent treatment plant;6- hot-water supply device;7- slag phase dewatering device;The normally closed feed bin of 101-;201- crusher;The pre- hot material of 202- Storehouse;301- crawler type conveyer with holes;302- thermal jet shower device;401- swill collecting storehouse;402- filters drawer;403- grease point From pond;404- oil extractor;405- crude oil bucket;501- settling tank;502- membrane bioreactor;Pond in 503-;504- air blower; 505- solid slag stock pump;The broken preheating pipeline of 601-;602- shower water pipeline;Water pipe in 603-;Water pump in 604-;605- heating Device;701- holding tank;702- crawler type slag conveyer;703- centrifugal separating device;703a- concentrator bowl;703b- water-storing tray;703c- Centrifuge;704- manipulator;705- solid slag collecting bag;706- takes off slag swill case;707- sewage pump.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1 and Figure 2, a kind of de- liquid purification system of kitchen garbage continuity slagging-off provided by the invention specifically includes that
A kind of kitchen garbage continuity removes the gred de- liquid purification system, the system contain feeding device 1, broken preheating device 2, Thermal jet drenches de-oiling demineralizer 3, swill degreasing unit 4, effluent treatment plant 5, hot water supply system 6 and slag phase dewatering device 7;
The feeding device 1 contains feed mechanism and normally closed feed bin 101;The broken preheating device 2 contains crusher 201 and pre- hot aggregate bin 202;The thermal jet leaching de-oiling demineralizer 3 contains crawler type conveyer 301 with holes and thermal jet shower device 302, which is located at the top of crawler type conveyer 301 with holes;The swill degreasing unit 4 is located at holes The lower section of crawler type conveyer 301;Oil extractor 404 is set on swill degreasing unit;The outlet of the swill degreasing unit 4 with The entrance of effluent treatment plant 5 connects;The hot water supply system 6 includes broken preheating pipeline 601 and shower water pipeline 602;The slag phase dewatering device 7 includes the holding tank 701 for being arranged in conveyer one end, crawler type slag conveyer 702, centrifugation point From device 703, manipulator 704, solid slag collecting bag 705 and de- slag swill case 706;The holding tank 701 is defeated by crawler type Slag machine 702 is connected with centrifugal separating device 703;The de- slag swill case 706 is removed by pipeline and sewage pump 707 with swill Oily device 4 is connected;The manipulator 704 moves back and forth between centrifugal separating device 703 and solid slag collecting bag 705.
The swill degreasing unit 4 includes swill collecting storehouse 401, filtering drawer 402, oil-water separation tank 403 and mentions oil Device 404;The outlet in swill collecting storehouse 401 is connected with the entrance of filtering drawer 402;It is arranged on the side wall of oil-water separation tank 403 Oil extractor 404 is equipped with crude oil bucket 405 in the lower section of oil extractor.
The effluent treatment plant 5 includes settling tank 501, membrane bioreactor 502 and middle pond 503;The oil Water separation tank 403, settling tank 501, membrane bioreactor 502 and middle pond 503 are sequentially arranged and link together, the drum Blower 504 is that membrane bioreactor 502 provides aeration by pipeline.
The centrifugal separating device 703 is made of concentrator bowl 703a, water-storing tray 703b and centrifuge 703c, it is described from The side wall of heart cylinder and bottom are equipped with the limbers that aperture is 1~10mm.
The effluent treatment plant outlet setting in water lines 603, in this in water lines setting in water pump 604 With heater 605, the broken preheating pipeline 601 and shower water pipeline 602 are connected with the outlet of heater 605.
Preferably, the thermal jet shower device 302 is using tubular type spray thrower, disc type spray thrower or nozzle;Described mentions oil Device 404 is belt oil extractor or overflow tubular type oil extractor.
A kind of kitchen garbage continuity provided by the invention, which removes the gred, takes off liquid purification method, it is characterised in that this method includes such as Lower step:
1) kitchen garbage is poured into normally closed feed bin 101 by feed mechanism, kitchen garbage is fallen into brokenly from normally closed feed bin 101 In broken preheating device 2, after kitchen garbage breaking, by 35~95 DEG C of the hot water injection in broken preheating pipeline 601, and make It is preheating to 30~60 DEG C;Size after kitchen garbage breaking should be not more than 3cm.
2) kitchen garbage after preheated is fallen on the crawler type conveyer 301 with holes of thermal jet leaching de-oiling demineralizer 3, heat Spray equipment sprays 35~95 DEG C of hot water to rubbish, and the swill formed after spray flows into swill through the hole on crawler belt and removes In oily device 4, under the continuous rotation of crawler belt, the wet slag after spray process then falls into the holding tank that conveyer one end is arranged in In 701;
3) in swill degreasing unit, swill is collected by swill collecting storehouse 401, then carries out solid slag through filtering drawer 402 Filtering, filtered swill flow into oil-water separation tank 403, and swill natural layering forms oil reservoir, sewage layer and solid slag wherein Layer, oil are taken out by oil extractor 404, and the residue of sedimentation is discharged from the bottom of oil-water separation tank 403, and sewage then enters sewage purification dress Middle water is cleaned into after setting 5, air blower 504 takes the gas with foreign flavor generated in kitchen garbage treatment process away, and is sent to dirt Purified treatment is carried out in water purification installation 5;;
4) wet slag fallen into holding tank 701 is sent into the concentrator bowl of centrifugal separating device 703 by crawler type slag conveyer 702 In 703a;The swill separated flows into de- slag swill case 706 by the road, then through sewage pump 707 by swill from de- slag swill case 706 are sent into oil-water separation tank 403, then flow into again and carry out purified treatment in effluent treatment plant 5;The filter residue separated then leads to Manipulator 704 is crossed to be put into solid slag collecting bag 705.
Further, the hot water in step 1) and step 2) is the middle water after effluent treatment plant purified treatment, in Water pump 604 and middle water lines enter heater 605 and are heated in water warp, form 35~95 DEG C of hot water;Kitchen in step 1) Size after refuse breaking is greater than 0 and is less than or equal to 3cm.
The working principle of the invention, technical process are described in detail below with reference to embodiment.
The salt content of China's kitchen garbage, slag-containing rate and oil content are relatively high, thus in the decrement for realizing kitchen garbage It also needs to consider its innoxious and recycling while changing processing, realizes the recycling of kitchen castoff, committed step is Oil, water, salt can be separated from the solid slag of kitchen garbage, to realize the complete recycling of oil, water and solid slag.The present invention For the oil and salt existence form and content feature in China's kitchen garbage, a kind of kitchen garbage continuity provided, which removes the gred, takes off liquid Purification system and method.
Fig. 2 be it is shown, after kitchen garbage enters feeding device 1 first, whole bucket will be equipped with by the hoisting way of elevator The dustbin of kitchen garbage is promoted to normally closed feed bin 101, and normally closed feed bin is opened, and whole bucket kitchen garbage pours into normally closed feed bin, then Normally closed feed bin is closed, empty dustbin returns.Kitchen garbage fallen directly into from normally closed feed bin 101 carried out in crusher 201 it is broken from Solid slag longer in kitchen garbage such as bone, big dish leaf, capsicum, shell etc. is all crushed to size less than 3cm by reason, crusher Disintegrating slag, the kitchen garbage come out from crusher 201 enters in pre- hot aggregate bin 202, and broken preheating pipeline 601 is that pre- hot aggregate bin mentions After 60 DEG C of hot water, the oil in kitchen garbage, slag are diluted at this time, and oil, water, the interaction force between slag reduce, and are passed through Heating and diluted hot kitchen garbage are made of swill and solid slag.In kitchen garbage after the dilution of broken and hot water, swill The specific gravity of the middle total salt amount of salinity Zhan is not less than 60%, and the higher solid phase slag charge of water content accounts for the specific gravity of salt total amount not higher than 40%.
Then, hot kitchen garbage enters in thermal jet leaching de-oiling demineralizer 3 from broken preheating device 2, drenches de-oiling in thermal jet In demineralizer 3, directly fallen on crawler type conveyer 301 with holes by the kitchen garbage that swill and solid slag form, wherein swill From crawler belt with holes in trickling to the swill collecting storehouse 401 of swill deoiler, solid slag moves to thermal jet leaching dress on crawler belt item When the downside set, 60 DEG C of hot water is sprayed directly in solid slag by thermal jet shower device 302, and thermal jet shower device 302 herein is optional Select tubular type spray thrower, nozzle or disc type spray thrower etc..Influenced by hot water spray, solid slag by spray heating, wash away, solid slag and solid It is separated between slag, waste oil, the salinity of solid slag surface and inside are washed out, and the waste oil and salinity for washing away out are with warm Water goes down from crawler belt with holes trickling, and the solid slag on crawler belt item completes de-oiling and desalting processing.The oil content in slag charge and contain at this time Salt amount further decreases.
In the swill collecting storehouse 401 that the swill guttered down from crawler type conveyer 301 with holes enters swill degreasing unit 4 And after filtering drawer 402 filters, swill is flowed into oil-water separation tank 403.In oil-water separation tank 403, swill is divided into three Layer, upper layer is waste oil layer, middle layer is sewage layer, lower layer is solid slag layer.The waste oil on upper layer extracts crude oil bucket by oil extractor 404 In 405, crude oil bucket is numbered with stamp, convenient for tracking the whereabouts of crude oil bucket, avoids illegally handling crude oil.
After the processing of oil-water separation tank 403, swill becomes sewage, and sewage flows into effluent treatment plant from oil-water separation tank 5.Sewage first flow through the settling tank 501 in purification device 5 carry out deviating from the overwhelming majority that contains in sewage after natural subsidence it is solid Then slag flows into membrane bioreactor 502, there is biodegradable filter membrane, biodegradable filter membrane pair in membrane bioreactor Sewage collaborative filtering and biodegrade processing, air blower 504 are that membrane bioreactor 502 provides aeration, the organic matter in sewage Quickly be degraded, the sewage after degradation enter after the filtering of biodegradable filter membrane in pond 503.Middle pond 503 Middle water is provided for hot water supply system, in hot water supply system, hot water after middle water pump 604 and heater 605 followed by rising Temperature is then divided into water supply in two-way progress to 35-95 DEG C, wherein being all the way broken preheating pipeline 601, another way is shower water Pipeline 602;Hot water can also provide water for cleaning for each device.
The solid slag for being deposited in 502 bottom of oil-water separation tank 403, settling tank 501 and membrane bioreactor passes through solid slag stock pump 505 and Pipeline transport to crawler type conveyer 301 with holes end and as the solid slag on crawler belt with holes enters holding tank together In 701.Solid slag at this time has certain swill, abbreviation wet slag.Wet slag in holding tank further falls in crawler type slag conveyer On 702, slag charge is transported to the top of centrifugal separating device 703 by crawler type slag conveyer 702, and then wet slag falls on centrifuge separation dress It sets in 703 concentrator bowl 703a.Centrifuge 703c drives concentrator bowl 703a and its wet slag of inside to rotate together, in centrifugal force Under effect, swill flows into water-storing tray 703b from the 3mm aperture on the wall surface of concentrator bowl, and wet slag becomes dry slag, last manipulator 704 grab the concentrator bowl equipped with dry slag in solid slag collecting bag 705, are then centrifuged for cylinder and are back in centrifugal separating device, meanwhile, Swill into water-storing tray 703b flows into de- slag swill case 706 via pipeline, is finally admitted to grease point via sewage pump 707 From progress water-oil separating and purified treatment in pond.
The above process that the present invention illustrates realizes the minimizing processing of kitchen garbage, while realizing the complete of kitchen garbage Portion's resource utilization has produced crude oil, Zhong Shui and dry slag.Wherein, crude oil can be used for direct legitimate sales, slag charge salt content compared with It is low, can subsequent production soil fertility quality, generate biggish market value, middle water can then use by oneself or return by way of discharge Return municipal recovery system, effectively supplement city water resource.

Claims (9)

  1. The de- liquid purification system 1. a kind of kitchen garbage continuity removes the gred, the system contain: feeding device (1), broken preheating device (2), thermal jet leaching de-oiling demineralizer (3), swill degreasing unit (4), effluent treatment plant (5), hot water supply system (6) and Slag phase dewatering device (7);
    The feeding device (1) contains feed mechanism and normally closed feed bin (101);The broken preheating device (2) is containing broken Machine (201) and pre- hot aggregate bin (202);Described thermal jet leaching de-oiling demineralizer (3) containing crawler type conveyer (301) with holes and Thermal jet shower device (302), the thermal jet shower device (302) are located at the top of crawler type conveyer (301) with holes;The swill removes Oily device (4) is located at the lower section of crawler type conveyer (301) with holes;Oil extractor (404) are set on swill degreasing unit;It is described The outlet of swill degreasing unit (4) is connect with the entrance of effluent treatment plant (5);The hot water supply system (6) includes broken Broken preheating pipeline (601) and shower water pipeline (602);The slag phase dewatering device (7) includes being arranged in conveyer one end Holding tank (701), crawler type slag conveyer (702), centrifugal separating device (703), manipulator (704), solid slag collecting bag (705) and De- slag swill case (706);The holding tank (701) is connected by crawler type slag conveyer (702) with centrifugal separating device (703) It connects;The de- slag swill case (706) is connected by pipeline and sewage pump (707) with swill degreasing unit (4);The machinery Hand (704) moves back and forth between centrifugal separating device (703) and solid slag collecting bag (705).
  2. The de- liquid purification system 2. a kind of kitchen garbage continuity according to claim 1 removes the gred, it is characterised in that: described Swill degreasing unit (4) includes swill collecting storehouse (401), filtering drawer (402), oil-water separation tank (403) and oil extractor (404);The outlet in swill collecting storehouse (401) is connected with the entrance of filtering drawer (402);Side wall in oil-water separation tank (403) Upper setting oil extractor (404) is equipped with crude oil bucket (405) in the lower section of oil extractor.
  3. The de- liquid purification system 3. a kind of kitchen garbage continuity according to claim 1 removes the gred, it is characterised in that: described Effluent treatment plant (5) includes settling tank (501), membrane bioreactor (502) and middle pond (503);The water-oil separating Pond (403), settling tank (501), membrane bioreactor (502) and middle pond (503) are sequentially arranged and link together, described Air blower (504) is that membrane bioreactor (502) provide aeration by pipeline.
  4. The de- liquid purification system 4. a kind of kitchen garbage continuity according to claim 1 removes the gred, it is characterised in that: described Centrifugal separating device (703) is made of concentrator bowl (703a), water-storing tray (703b) and centrifuge (703c), the concentrator bowl Side wall and bottom are equipped with the limbers that aperture is 1~10mm.
  5. 5. a kind of de- liquid purification system of kitchen garbage continuity slagging-off described in -4 any claims according to claim 1, Be characterized in that: effluent treatment plant outlet setting in water lines (603), in this in water lines setting in water pump (604) With heater (605), the outlet phase of broken the preheating pipeline (601) and shower water pipeline (602) and heater (605) Even.
  6. 6. a kind of de- liquid purification system of kitchen garbage continuity slagging-off described in -4 any claims according to claim 1, Be characterized in that: the thermal jet shower device (302) uses tubular type spray thrower, disc type spray thrower or nozzle;The oil extractor It (404) is belt oil extractor or overflow tubular type oil extractor.
  7. 7. being removed the gred using a kind of kitchen garbage continuity of the system as described in claim 1-4 any claim takes off liquid purification side Method, it is characterised in that this method comprises the following steps:
    1) kitchen garbage is poured into normally closed feed bin (101) by feed mechanism, kitchen garbage is fallen into brokenly from normally closed feed bin (101) In broken preheating device (2), after kitchen garbage breaking, 35~95 DEG C of the hot water injection come from broken preheating pipeline (601), And it is made to be preheating to 30~60 DEG C;
    2) kitchen garbage after preheated is fallen on the crawler type conveyer (301) with holes of thermal jet leaching de-oiling demineralizer (3), heat Spray equipment sprays 35~95 DEG C of hot water to rubbish, and the swill formed after spray flows into swill through the hole on crawler belt and removes In oily device (4), under the continuous rotation of crawler belt, the wet slag after spray process, which is then fallen into, is arranged in the temporary of conveyer one end In case (701);
    3) in swill degreasing unit, swill is collected by swill collecting storehouse (401), then carries out solid slag through filtering drawer (402) Filtering, filtered swill flow into oil-water separation tank (403), and swill natural layering forms oil reservoir, sewage layer and solid wherein Slag blanket, oil are taken out by oil extractor (404), and the residue of sedimentation is discharged from the bottom of oil-water separation tank (403), and sewage then enters sewage Middle water is cleaned into after purification device (5), air blower (504) takes the gas with foreign flavor generated in kitchen garbage treatment process away, and It is sent in effluent treatment plant (5) and carries out purified treatment;
    4) wet slag in holding tank (701) is fallen into be sent into centrifugal separating device (703) by crawler type slag conveyer (702), point Separate out the swill taken and flow by the road and takes off slag swill case (706), then through sewage pump (707) by swill from de- slag swill case (706) It is sent into oil-water separation tank (403), then flows into again and carry out purified treatment in effluent treatment plant (5);The filter residue separated is then It is put into solid slag collecting bag (705) by manipulator (704).
  8. The de- liquid purification method 8. a kind of kitchen garbage continuity as claimed in claim 7 removes the gred, it is characterised in that: step 1) and Hot water in step 2) is the middle water after effluent treatment plant purified treatment, water pump (604) and middle water lines in middle water warp It is heated into heater (605), forms 35~95 DEG C of hot water.
  9. The de- liquid purification method 9. a kind of kitchen garbage continuity as claimed in claim 7 removes the gred, it is characterised in that: in step 1) Size after kitchen garbage breaking is greater than 0 and is less than or equal to 3cm.
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