Background technology
In recent years, the residue food that eating and drinking establishments such as family, hotel, restaurant and machine-operated enterprise are abandoned, than other rubbishes from cooking, it has moisture content, organic matter amount, grease and salt content height, characteristics such as easy corruption.Therefore, the surplus oil garbage landfill in kitchen exists the waste soil, produces problems such as foul gas and percolate.In addition, by " rubbish pig " problems such as " hogwash fats " that the surplus oil garbage in kitchen derives from, the harm people ' s health has caused the very big concern of society.
Some domestic large-and-medium size cities begin the trial that changing food waste into resources utilizes.Through exploring, begun to take shape the recycling pattern of changing food wastes such as Ningbo pattern, Shanghai pattern, Xining pattern.Because it is a public good project that relates to the people's livelihood that changing food waste is disposed, so though the concrete function mode of several modes be not quite similar.
Set about formulating at the technical standard of changing food wastes such as " waste oils ", and " the changing food waste management rules " of national aspect also will start in good time.In the morning on November 26th, 2009, " meal kitchen waste oil resource reclaims and the deep process technology standard " authorized strength work starts at Beijing Technology and Business University's chemical industry and environmental project institute.This is second special national standard at changing food waste of China.Before this, first changing food waste national standard---" changing food waste utilization of resources specification requirement " State Council of declaration.This will finish " waste oil " and recycle without ready patterns to follow situation, and with " national changing food waste management rules " that plan is formulated, erect progressively that a cover is innoxious to changing food waste, the policy system of recycling and resource.
The utility model content
In order better to realize the surplus oil garbage separating treatment in kitchen, the utility model provides a kind of kitchen surplus oil garbage separation equipment.
In order better to realize above-mentioned purpose, the utility model adopts following technical scheme.
The surplus oil garbage separation equipment in a kind of kitchen comprises solid-liquid separating equipment, solids treatment equipment and oily water separating equipment;
Described solid-liquid separating equipment links to each other with oily water separating equipment with solids treatment equipment respectively;
Described solids treatment equipment comprises disintegrating apparatus, press apparatus and recovery bin; Described disintegrating apparatus links to each other with solid-liquid separating equipment, and links to each other with recovery bin through press apparatus;
Described oily water separating equipment comprises oil interceptor, membrane separation plant, pump, intelligence control system and water purifying tank, and described oil interceptor links to each other with solid-liquid separating equipment, and links to each other with membrane separation plant by pump, and described intelligence control system is installed on the oil interceptor; Described water purifying tank links to each other with membrane separation plant; Described oil interceptor links to each other with press apparatus.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, described solid-liquid separating equipment is granular membrane, and the aperture of described granular membrane is 1~15mm; Described disintegrating apparatus is disintegrating machine, and solid refuse is broken into 6~15mm particle size behind disintegrating machine.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, the temperature of liquid is 30~40 ℃ in the described oil interceptor; The film surface apertures of described membrane separation plant is 0.2~0.3 μ m, contains porosity 84%.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, the isolated water section rate of recovery of described oily water separating equipment accounts for 60~75% of liquid refuse; The delivery turbidity of described water section is 5~15NTU.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, described oily water separating equipment contains from body backwash device, is describedly controlled by intelligence control system from body backwash device.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, described oily water separating equipment can carry out water-oil separating continuously.
The surplus oil garbage separation equipment in the utility model kitchen combines solid-liquid separating equipment, solids treatment equipment and oily water separating equipment, realizes integratedly, and floor space is little; And simple in structure, implement convenient, treatment effeciency is high, cost is low, the film wash number is few, maintenance is little; Isolated water section rate of recovery height, turbidity is low, quality good, can effectively centrally dispose and resource, innoxious the surplus oil garbage in kitchen is useless, realizes that well the continuous separation of slag, oil, water is reclaimed.
The specific embodiment
Be described further the utility model below in conjunction with accompanying drawing in order to illustrate better.In order to realize the purpose of this utility model, the part that the utility model necessarily contains as the rubbish from cooking entrance, connect the pipeline of each equipment etc., because being that those skilled in the art is known, is not given unnecessary details in this application again.
As shown in Figure 1, the surplus oil garbage separation equipment in the utility model kitchen comprises solid-liquid separating equipment 1, solids treatment equipment 2 and oily water separating equipment 3; Described solid-liquid separating equipment 1 links to each other with oily water separating equipment 3 with solids treatment equipment 2 respectively; Described solids treatment equipment 2 comprises disintegrating apparatus 21, press apparatus 22 and recovery bin 23; Described disintegrating apparatus 21 links to each other with solid-liquid separating equipment 1, and links to each other with recovery bin 23 through press apparatus 22; Described oily water separating equipment 3 comprises oil interceptor 31, pump 32, membrane separation plant 33, intelligence control system 34 and water purifying tank 35, described oil interceptor 31 links to each other with solid-liquid separating equipment 1, and link to each other with membrane separation plant 33 by pump 32, described intelligence control system 34 is installed on the oil interceptor 31; Described water purifying tank 35 links to each other with membrane separation plant 33; Described oil interceptor 31 links to each other with press apparatus 22.
Described solid-liquid separating equipment 1 is used for making the surplus oil garbage in kitchen be divided into solid refuse and liquid refuse; Described solids treatment equipment 2 is used for the processing of solid refuse, and described disintegrating apparatus 21 is used for broken solid refuse; Described press apparatus 22 is used for the solid refuse after the squeezing fragmentation; Described recovery bin 23 is used for storing the solid refuse (being the slag part) after disintegrating apparatus 21 and press apparatus 22 broken squeezings;
Described oily water separating equipment 3 is used for making liquid refuse to be divided into oil part and water section; Described oil interceptor 31 is used for receiving and storing the liquid refuse that solid-liquid separating equipment 1 separates, liquid refuse after described oil interceptor 31 is used for reception and stores press apparatus 22 squeezings, described pump 32 pumps into membrane separation plant 33 with the liquid refuse in the oil interceptor 31, described intelligence control system 34 is used for the running of the surplus oil garbage separation equipment in control the utility model kitchen, comprise monitoring temperature, the startup of film separation process with close, separation and backwash etc. continuously, described intelligence control system 34 comprises the liquid level valve (not shown), and the startup of membrane separation plant 33 is controlled with closing by liquid level valve; Described water purifying tank 35 is used for storage films separation equipment 33 isolated water sections.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, described solid-liquid separating equipment 1 is granular membrane.The aperture of described granular membrane is 1~15mm, selects this pore diameter range can well separating solids rubbish and liquid refuse.Granular membrane is a kind of simply and effectively filter plant, and cost is also more cheap.Certainly, the utility model is not limited in granular membrane, as long as the utility model also can adopt other filter can reach the effect of Separation of Solid and Liquid.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, described disintegrating apparatus 21 is disintegrating machine, and solid refuse is broken into 6~15mm particle size behind disintegrating machine, and the solid refuse after the fragmentation is easier to squeezing.
The surplus oil garbage separation equipment in the utility model kitchen can be selected different diffusion barriers according to the composition difference of grease in the rubbish from cooking.But grease mainly exists with 5 kinds of forms such as oil slick, dispersed oil, oil emulsion, dissolved oil, solid phase internal grease in the surplus oil garbage in kitchen.It is bigger that wherein but oil slick drips the footpath, and the form that can comparatively fast float after leaving standstill with the continuous phase oil film flies at the water surface; Dispersed oil with drip the footpath greater than the small oil droplet suspended dispersed of 1 μ m at aqueous phase; The oil emulsion particle size is 0.5~15 μ m; Dissolved oil is scattered in the water with molecular state, forms homogeneous system with water, and it is difficult to separate; The solid phase internal grease is many is combined with the rubbish solid phase with solid-state, almost can not directly separate.Preferably, the film surface apertures of described membrane separation plant is 0.2~0.3 μ m, contains porosity 84%.Therefore, implement different schemes by selecting different diffusion barriers, thereby improve the cycles of concentration that divides oil, and then promote the rate of recovery of grease in the surplus oil garbage in kitchen greatly.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, in the described oil interceptor 31 temperature of liquid be 30~40 ℃ of liquid-retentive in the described oil interceptor 31 at 30~40 ℃, can make oil keep liquid condition, be conducive to water-oil separating.Temperature maintenance can not produce the service life that excessive temperature influences water-oil separating efficient and equipment because of equipment operation at 30~40 ℃.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, the isolated water section rate of recovery of described oily water separating equipment accounts for 60~75% of liquid refuse; The delivery turbidity of described water section is 5~15NTU.Therefore, use the isolated water section rate of recovery of the surplus oil garbage separation equipment in the utility model kitchen height, and water turbidity is low, quality is good.
Simultaneously, for reducing the regular maintenance amount of this cover system, the oily water separating equipment 3 of the surplus oil garbage separation equipment in the utility model kitchen contains from body backwash device (not shown), described from body backwash device by intelligence control system 34 control, be used for oily water separating equipment 3 is carried out from body backwash intercepting grease.The surplus oil garbage separation equipment in the utility model kitchen has the function from body backwash intercepting grease, is conducive to provide the separative efficiency of oily water separating equipment 3, has reduced the regular maintenance of equipment simultaneously, saves cost.
As a kind of preferred embodiment of the surplus oil garbage separation equipment in the utility model kitchen, described oily water separating equipment 3 can carry out water-oil separating continuously.
A kind of surplus oil garbage processing method in kitchen of using the surplus oil garbage separation equipment in described kitchen of the utility model may further comprise the steps:
Step 1): rubbish from cooking is divided into solid refuse and liquid refuse through solid-liquid separating equipment 1;
Step 2): described solid refuse is broken into 6~15mm particle size through disintegrating apparatus 21, carries back recovery bin 23 again after press apparatus 22 squeezings;
Step 3): described liquid refuse enters oil interceptor 31, by pump 32 liquid refuse is imported membrane separation plant 33, and isolated water section flows into water purifying tank 35, and concentrate flows back to oil interceptor 31 to be separated again; Isolated oil part is by oil interceptor 31 outputs; The temperature of controlling in the oil interceptors 31 by intelligence control system 34 are 30~40 ℃.
Carry out water-oil separating as the surplus oil garbage separation equipment in the utility model kitchen continuously by described step 1 to step 3 circulation.
The surplus oil garbage in kitchen is the Separation of Solid and Liquid that the screen cloth of 1~15mm carries out rubbish through the aperture earlier.Then solid refuse is transported to disintegrating machine, solid refuse is broken into 6~15mm particle size, after the squeezing of platen press machine, be transported to solid refuse recovery bin 23 again.Liquid refuse then is transported in the oil interceptor 31, with pump 32 it is imported membrane separation plant 33 then, carries out water-oil separating, and isolated clean water is collected 35 li of water purifying tanks, and concentrate then is back to oil interceptor 31 to be continued to separate.Water constantly separates in the oil interceptor 31, its objective is to allow oil concentrate out, finally realizes the separation of profit, and isolated oil is from oil interceptor 31 outputs.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.