CN102825061A - Treatment method for kitchen swill source and treatment equipment therefor - Google Patents
Treatment method for kitchen swill source and treatment equipment therefor Download PDFInfo
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- CN102825061A CN102825061A CN2012103341047A CN201210334104A CN102825061A CN 102825061 A CN102825061 A CN 102825061A CN 2012103341047 A CN2012103341047 A CN 2012103341047A CN 201210334104 A CN201210334104 A CN 201210334104A CN 102825061 A CN102825061 A CN 102825061A
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Abstract
The invention relates to the technical field of the treatment of kitchen swill, aiming at providing a treatment method for kitchen swill source and treatment equipment for the kitchen swill source. The technological process of the invention comprises the following steps of: grinding into thick liquid in a smashing way, reducing the quantity in a dewatering way, and carrying out three-phase separation. The treatment equipment provided by the invention comprises a smashing grinding device, a dewatering quantity-reducing device, a three-phase separating device and the like, which are sequentially connected with one another. The kitchen swill generated at the kitchen swill source can be timely and quickly treated in a harmless way; the moisture content of the solid material is about 40%, the weight of the solid material is 1/3 of that of the original swill, the volume of the solid material is 1/2 of that of the original swill, and the solid material is free from foul smell, after the solid material is ground in a smashing way, and the quantity is reduced in a dewatering way; and the oil, the waste water and the slag powder in the muddy oil water can be thoroughly separated from one another by means of three-phase separation, so that the secondary pollution can be reduced and completely eradicated. The treatment method and the treatment equipment provided by invention are suitable for quickly treating the kitchen swill in the dining rooms and the kitchens such as that the school, the enterprise and public institution, the army barrack, the hotel and guest house and the like, and are also suitable for quickly treating the kitchen swill in the places such as the vegetable trade market, the slaughterhouse, the meat factory, the food processing factory and the like, thereby being good in social benefit and economic benefit.
Description
Technical field
The kitchen swill processing technology field that the present invention relates to eat, particularly a kind of meal kitchen swill source processing method and treatment facility.
Background technology
Changing food waste is the important component part of municipal refuse, also is topmost a kind of in the food refuse.Residential block, food service industry and various enterprises and institutions dining room are the main place that produces changing food waste, also are the sources that produces meal kitchen swill.The complicated component of changing food waste is oil, water, pericarp, vegetables, rice and flour, the mixture of multiple materials such as fish, meat, bone and useless tableware, plastics, paper handkerchief.General food residues or the processing fent that in food processing process, produces is called " kitchen is surplus ", and food residues after diet consumption or edible remnants are called " hogwash ", and the two is commonly referred to as swill, is called meal kitchen swill again.The food residues and the edible remnants that from changing food waste, remove other impurity are also referred to as meal kitchen swill.
According to statistics, China has hotel, restaurant to surpass 3,500,000 families at present, and the changing food waste quantity that produce every day is up to 20000 tons.Because meal kitchen swill generation is big, viable bacteria contents such as bacterium, saccharomycete are very high, and are very easily rotten corrupt, multiply and attract insects such as mosquito, fly, mouse, cockroach, contaminated environment.If untimely processing or mishandling will cause potential safety hazard to people's life, health and environment.For example: the kitchen swill of directly will eating utilizes swill oil and trench wet goods as the feed of live pig, the illegal collection.
At present, the kitchen swill collecting mode of eating both at home and abroad generally has two kinds, and the one, direct recovery, that is focus on; The 2nd, reclaim again after source dehydration minimizing is handled, that is handle in the source.
The characteristics of the changing food waste of China are embodied in: 1. moisture content is high, and moisture accounts for 80～90% more than of changing food waste gross weight, and this collection and transportation to changing food waste has all brought a difficult problem.2. content of organics is high, under hot conditions, is easy to rot, and produces stink, is a threat to collecting near the residents ' health of living the place.So handle in meal swill source, kitchen is emphasis.
Aspect the processing of source; The most machineries that adopt of American-European countries are smashed method; A high speed machine pulverizer all is equipped with in the place of water under each kitchen; The meal kitchen swill of every day directly enters sewer after crushed and enters sewage treatment plant, and the kitchen swill of perhaps eating enters directly through centrifugal dehydration, isolated percolate more after crushed that sewer enters sewage treatment plant, isolated dehydrated material is collected other processing.Matsushita industrial group developed two kinds of machine for kitchen garbage disposal of MS-N40 and MS-N31 in 1993,3～4h handles 0.7kg rubbish, and the built-in ozone deodoriser of machine is in order to remove the multiple smell of rubbish.NSK company successfully develops the device for processing food refuse that uses magnetron in May, 2000.The maximum characteristics of this device are can the water evaporates of food refuse be fallen, and after drying, grind.This device can be killed the bacterium in the rubbish simultaneously and prevent to produce pernicious gas owing to adopt microwave treatment, and volume is as the duplicator size, can be placed on indoorly, and the bottom surface has wheel arbitrarily to move.But,, be applicable to eating house, urban district and small-sized supermarket because treating capacity is little.
At present, the treatment facility that processes such as biodegradation, hot fermentation, dewatered drying are arranged is handled in the source of domestic employing.For example, Chinese patent document CN102205337A " changing food waste is handled integration apparatus and technology thereof " is made up of treating capacity 20kg/h, fermentation time 5～8 hours disintegrating apparatus, hot fermentation equipment, sewage treatment equipment four parts.For example; Chinese patent document CN10215687A " a kind of changing food waste treating apparatus of zero-emission "; This device is equipped with dewater unit, drying unit, vaporising device and feeding packing device on frame, after the changing food waste dehydration, carry out residue oven dry, waste water evaporation.The restaurant swill processing procedure of these equipment be limit the quantity of carry out in batches, time that every batch is waited processing is long, and is fast for the speed that restaurant swills such as unit dining room, hotel, hotel produce, quantity is many, the timely processing of needs is just had any problem.
In addition, for example: Chinese patent document CN101157505B " swill processing method and treating apparatus thereof " comprises swill Separation of Solid and Liquid, dry, the liquid oil separated form water of solid sterilizing; Chinese patent document CN101912867A " machine for comprehensive treatment of kitchen wastes " comprises frame, automatic feeder, material-pulverizing device, spiral dewater unit, dry sterilization device, oily-water seperating equipment and operating system and drive motors; Chinese patent document CN102489494A " a kind of changing food waste pre-treating method " comprises that changing food waste is broken, spiral dewaters, water-oil separating; Chinese patent document CN101675753A " automatic swill treatment machine " partly carries out water-oil separating, solid portion by dehydration, liquid to be dried, the solid of oven dry is pulverized and four systems such as automatic bagging is formed; Chinese patent document CN201385036Y " a kind of kitchen waste dehydration treatment equipment " includes castoff processing system of electric crusher, electric crusher-grinder, oil water separator and water pump or the like, and these technology have all adopted water-oil separating.But water-oil separating can not separate a large amount of molecule slags in the swill percolate simultaneously as two phase detachment techniques.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, provide a kind of technology method and treatment facility thereof with fast processing meal kitchen swill simple, easy to operate and safe in utilization, handle in particular for the source of meal kitchen swill.
The object of the invention is achieved through following technical proposals: the present invention is a kind of meal kitchen swill source processing method and treatment facility thereof.Its processing method comprises following technological process: pulverize defibrination, swill is pulverized cut the pasty state swill slag slurry of wearing into meticulous equilibrium; The dehydration decrement is dehydrated material and muddy profit with swill slag slurry dehydration decrement, and dehydrated material is then recycled; Three phase separation is swill grease, swill ground-slag, no slag waste water with muddy profit three phase separation, and swill grease and swill ground-slag are recycled respectively, and no slag waste water carries out safety dumping.Described pulverizing defibrination adopts to pulverize cuts the pasty state swill slag slurry of wearing into meticulous equilibrium, granularity 20～80 orders of its solid material.Described dehydration decrement adopts centrifugal dehydration or extrusion dehydration.Described three phase separation adopts centrifugation of three-phase disc or three-phase screw extrusion to separate.
Its treatment facility comprises with lower device: pulverising mill sizing device 1, dehydration decrement device 2, three-phase separating device 3 etc. connect in proper order.Described pulverising mill sizing device 1 can be that feed hopper 1-1 and pulverizer 1-2 connect in proper order, also can be pulverizer 1-2.Described dehydration decrement device 2 can be that delivery pump 2-1 and dewaterer 2-2 connect in proper order, also can be dewaterer 2-2.Described three-phase separating device 3 can be that delivery pump 3-1 and three-phase separator 3-2 connect in proper order, also can be three-phase separator 3-2.Described dewaterer 2-2 can be a centrifugal dehydrator, also can be extruding-desiccation machine.Described three-phase separator 3-2 can be a three-phase disc centrifugal separator, also can be the three-phase spiral centrifuge.
The present invention compared with prior art has following advantage:
1. technological process is continuous synchronously, can in time carry out innoxious fast processing in meal swill source, kitchen to the meal kitchen swill that produces, and not only saves time but also be beneficial to environmental sanitation.
2. the moisture content of material is about 40% after pulverizing, dewatering, and weight is 1/3 of former swill, and fine and closely woven and granularity is 20～80 orders, can pack directly into bag, and volume is 1/2 of a former swill, no stink.
3. muddy profit is carried out three phase separation, grease, waste water, ground-slag three are thoroughly separated, reduce and stop secondary pollution.
Description of drawings
Fig. 1 is the process flow diagram of a kind of eat kitchen swill source processing method and treatment facility embodiment of the present invention;
Fig. 2 is the device structure sketch map of a kind of eat kitchen swill source processing method and treatment facility embodiment of the present invention.
The explanation of Fig. 2 drawing reference numeral:
1. pulverising mill sizing device; 2. the decrement device dewaters; 3. three-phase separating device;
1-1. feed hopper; 2-1. delivery pump; 3-1. delivery pump;
1-2. pulverizer; 2-2. dewaterer; 3-2. three-phase separator;
4. slag charge recycling bin; 5. ground-slag recycling bin; 6. grease recycling bin;
7. discharge of wastewater facility.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
Shown in Fig. 1, be the process flow diagram of a kind of eat kitchen swill source processing method and treatment facility embodiment of the present invention.It comprises following technological process: pulverize defibrination, swill is pulverized cut the pasty state swill slag slurry of wearing into meticulous equilibrium; The dehydration decrement is dehydration slag charge and muddy profit with swill slag slurry dehydration decrement, and the dehydration slag charge is recycled; Three phase separation is swill grease, swill ground-slag, no slag waste water with muddy profit three phase separation, and swill grease and swill ground-slag are recycled respectively, and no slag waste water carries out safety dumping.Described pulverizing defibrination adopts to pulverize cuts the pasty state swill slag slurry of wearing into meticulous equilibrium, granularity 20～80 orders of its solid material.Described dehydration decrement adopts centrifugal dehydration or extrusion dehydration.Described three phase separation adopts centrifugation of three-phase disc or three-phase screw extrusion to separate.
Shown in Fig. 2, be the device structure sketch map of the present invention's a kind of city meal kitchen swill immediate processing method and treatment facility embodiment.The technological process of embodiment shown in the corresponding diagram 1, it comprises with lower device: pulverising mill sizing device 1, dehydration decrement device 2, three-phase separating device 3 orders connect.Described pulverising mill sizing device 1 can be that feed hopper 1-1 and pulverizer 1-2 connect in proper order, also can be pulverizer 1-2.Described dehydration decrement device 2 can be that delivery pump 2-1 and dewaterer 2-2 connect in proper order, also can be dewaterer 2-2.Described three-phase separating device 3 can be that delivery pump 3-1 and three-phase separator 3-2 connect in proper order, also can be three-phase separator 3-2.Described dewaterer 2-2 can be a centrifugal dehydrator, also can be extruding-desiccation machine.Described three-phase separator 3-2 can be a three-phase disc centrifugal separator, also can be the three-phase spiral centrifuge.
With reference to figure 1 and Fig. 2, its operation principle and operating procedure are following:
(preparation)
Earlier the dining room in unit dining room or hotel, hotel or the meal kitchen swill collecting of kitchen generation are prepared to handle in the swill bucket.If changing food waste should in time be removed foreign material such as wherein foreign material such as plastics, napkin paper, tableware fragment, beverage can bottle box, bottle glass, metal soup ladle, make it to become meal kitchen swill and regather and prepare in the swill bucket to handle.After preparation is ready, just can carry out fast processing.
1. starting device.The working power of connection equipment is opened the operating switch of equipment, makes equipment get into duty.Threes such as pulverising mill sizing device 1, dehydration decrement device 2, three-phase separating device 3 get into running status simultaneously.After device start steadily promptly enters into normal operating condition, just can pour the meal kitchen swill of collecting in the swill bucket into pulverising mill sizing device 1.
2. pulverizing defibrination.In pulverising mill sizing device 1; Meal kitchen swill such as vegetables, pericarp, rice and flour; Fish, meat, bone and soup juice or the like meal kitchen residue; Get into pulverizer 1-2 through feed hopper 1-1, pulverizing is cut and worn into the disintegrating slag granularity is that 20～80 orders, moisture content are the pasty state swill slag slurry of the meticulous equilibrium more than 70%, discharges and flow into dehydration decrement device 2 automatically.
3. dehydration decrement.In dehydration decrement device 2, swill slag slurry gets into dewaterer 2-2 through delivery pump 2-1, and it is about 40% dehydration slag charge and muddy profit that the dehydration decrement becomes moisture content.The dehydration slag charge is sent into recycling bin 4, and muddy profit flows into three-phase separating device 3.
4. three phase separation.In three-phase separating device 3, muddy profit gets into three-phase separator 3-2 through delivery pump 3-1, carries out " liquid-liquid-solid " three phase separation and becomes swill ground-slag, swill grease, no slag waste water.The swill ground-slag is sent into recycling bin 5, and the swill grease is sent into recycling bin 6, and no slag waste water flows into discharge of wastewater facility 7.
(end process)
When whole meal kitchen swill disposes, perhaps to stop to handle, but the halt switch of closing device, by the time behind the equipment dead halt, cut off the working power of equipment again.
Complete equipment is an Electromechanical Design, has error protection and functions such as fault alarm and interior flushing.Guarantee to the product quality of fast processing meal kitchen swill and equipment move safe and reliable.Fast processing meal kitchen, kitchen, dining room swills such as swill source, kitchen such as school, enterprises and institutions, army's barracks, hotel, hotel are particularly useful for eating; Also be applicable to like fast processing meal kitchen, place swills such as vegetables country fair, slaughterhouse, meat processing combine, food processing factories to have good social benefit and economic benefit.
In addition; The device structure of other embodiment of the present invention; Comprising that also the pulverising mill sizing device 1 described in the foregoing description, dehydration decrement device 2, three-phase separating device 3 are linked in sequence, can be to connect according to order unit up and down also to be about to the device structure that pulverizer 1-2, dewaterer 2-2, three-phase separator 3-2 connect according to order unit up and down; Comprising that also the dewaterer 2-2 described in the foregoing description can be a centrifugal dehydrator, also can be extruding-desiccation machine; Also comprising the three-phase separator 3-2 described in the foregoing description, can be three-phase disc centrifugal separator, also can be the three-phase spiral centrifuge.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to embodiment of the present invention.For the those of ordinary skill in said field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And these conspicuous variations of being extended out by design of the present invention or change still are among protection scope of the present invention.
Claims (10)
1. meal swill source, kitchen processing method is characterized in that comprising following technological process:
Pulverize defibrination, swill is pulverized cut the pasty state swill slag slurry of wearing into meticulous equilibrium;
The dehydration decrement is dehydrated material and muddy profit with swill slag slurry dehydration decrement, and dehydrated material is then recycled;
Three phase separation is swill grease, swill ground-slag, no slag waste water with muddy profit three phase separation, and swill grease and swill ground-slag are recycled respectively, and no slag waste water carries out safety dumping.
2. swill source, a kind of meal according to claim 1 kitchen processing method is characterized in that: described pulverizing defibrination adopts to pulverize cuts the pasty state swill slag slurry of wearing into meticulous equilibrium, granularity 20～80 orders of its solid material.
3. swill source, a kind of meal according to claim 1 kitchen processing method is characterized in that: described dehydration decrement adopts centrifugal dehydration or extrusion dehydration.
4. swill source, a kind of meal according to claim 1 kitchen processing method is characterized in that: described three phase separation adopts centrifugation of three-phase disc or electronic three-phase screw extrusion to separate.
5. meal swill source, a kitchen treatment facility is characterized in that: pulverising mill sizing device (1), dehydration decrement device (2), the connection of three-phase separating device (3) order.
6. swill source, a kind of meal according to claim 5 kitchen treatment facility is characterized in that: described pulverising mill sizing device (1) can be that feed hopper (1-1) and pulverizer (1-2) order connects, and also can be pulverizer (1-2).
7. swill source, a kind of meal according to claim 5 kitchen treatment facility is characterized in that: described dehydration decrement device (2) can be that delivery pump (2-1) and dewaterer (2-2) order connects, and also can be dewaterer (2-2).
8. swill source, a kind of meal according to claim 5 kitchen treatment facility is characterized in that: described three-phase separating device (3) can be that delivery pump (3-1) and three-phase separator (3-2) order connects, and also can be three-phase separator (3-2).
9. swill source, a kind of meal according to claim 7 kitchen treatment facility, it is characterized in that: described dewaterer (2-1) can be a centrifugal dehydrator, also can be extruding-desiccation machine.
10. swill source, a kind of meal according to claim 8 kitchen treatment facility is characterized in that: described three-phase separator (3-2) can be a three-phase disc centrifugal separator, also can be the three-phase spiral centrifuge.
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| CN2012103341047A CN102825061A (en) | 2012-09-10 | 2012-09-10 | Treatment method for kitchen swill source and treatment equipment therefor |
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| CN2012103341047A CN102825061A (en) | 2012-09-10 | 2012-09-10 | Treatment method for kitchen swill source and treatment equipment therefor |
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Cited By (4)
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| CN106552817A (en) * | 2017-01-11 | 2017-04-05 | 光大环保技术研究院（深圳）有限公司 | A kind of changing food waste pretreatment system and method |
| CN106670215A (en) * | 2017-02-17 | 2017-05-17 | 安德里茨（中国）有限公司 | Material processing system and method |
| CN109746240A (en) * | 2017-11-01 | 2019-05-14 | 上海大由环保科技有限公司 | A kind of continuous vacuum flash distillation solid-liquor separation swill treatment equipment and its processing method |
| CN111360027A (en) * | 2020-03-16 | 2020-07-03 | 广东利世康低碳科技有限公司 | Small intensive kitchen waste treatment method |
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Address after: 200333 Shanghai City North Branch 263 Lane 8, room 206 Applicant after: Gu Jiahua Applicant after: Wang Qiyu Address before: 201317, room 48, No. 99, Lane 302, Chi Chi Road, Shanghai, Pudong New Area Applicant before: Gu Jiahua Applicant before: Wang Qiyu |
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Application publication date: 20121219 |