CN103194314A - Method for treating waste oil - Google Patents
Method for treating waste oil Download PDFInfo
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- CN103194314A CN103194314A CN2013101149057A CN201310114905A CN103194314A CN 103194314 A CN103194314 A CN 103194314A CN 2013101149057 A CN2013101149057 A CN 2013101149057A CN 201310114905 A CN201310114905 A CN 201310114905A CN 103194314 A CN103194314 A CN 103194314A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Abstract
The invention provides a method for treating waste oil. The method comprises the following steps of: heating a waste oil raw material to sequentially layer the waste oil raw material into a waste oil layer, an oil-water-dreg three-phase mixture layer, a waste water layer and a sand precipitate layer; collecting and separating the waste oil layer into waste oil, waste water and dreg, and performing oil-water separation to the waste oil to obtain waste oil and waste water which can be used for preparing chemical raw materials or biofuel. The method has the advantages that the waste oil raw material is subjected to concentrated closed collection and transportation by utilizing a professional refuse collector, secondary pollution to the pavement and environment can be avoided in the shipment process, and a waste edible oil finished product, and methane, biogas slurry organic fertilizer, boiler fuel and other finished products with economic values can be furthest extracted and separated regarding the ingredients of the waste oil raw material, so that the problem that waste edible oil is extracted into swill-cooked dirty oil by lawbreakers can be solved, high economic benefit can be generated, and the waste edible oil can be turned into wealth from waste.
Description
Technical field
The invention belongs to the technical field of utilizing of waste oil, be specifically related to the recovery separation of waste oil, the treatment process of recycling treatment.
Background technology
Discarded food oils refer to the animal-plant oil that can not eat again that food and restaurant service industry produces in the production and operation process, by its source, can be divided into sewer oil, swill oil and fried Cargo Oil (the normal oil always that claims) usually.All the time, owing to lack effectively supervision and reasonable use, discarded food oils not only become the pollutent of environment, have more upset market order, have impacted food safety.Discarded food oils are not treated just entering in the cloaca for a long time, will produce a series of problems such as stopping up municipal sewage pipe network.Often be mixed with objectionable impuritiess such as a large amount of sewage, rubbish, bacterium in the discarded food oils, have through repeatedly repeatedly fried, cook stir-fry, contain a large amount of as carcinogenic substances such as benzopyrene, flavacin.Some lawless persons resell to underground workshop refinement " edible oil " after stealing or purchase discarded food oils.These underground workshops will be used as qualified edible oil through the what is called " edible oil " after the processing such as simple refinement, decolouring, deodorization, depickling and sell at a low price, go on people's dining table again, and the serious harm people's is healthy.In recent years, along with improving constantly of living standards of the people, food and restaurant service industry has obtained fast development, and the output of discarded food oils grows with each passing day, and how scientificlly and effectively discarded food oils to be disposed and to supervise, and has become an important topic of city management.
The existing patent No. has proposed a kind of structure for the Chinese invention patent that the CN200610116478.6 name is called " a kind of changing food waste into resources utilizes novel method ", this invention relates to a kind of resource recycle and reuse method, is specifically related to a kind of changing food waste into resources and utilizes technology.This is invented described changing food waste into resources and utilizes novel method with the changing food waste drop of the collecting branch that anhydrates, make its water content≤70%, and magneticly elect metal sundries, carry out the boiling sterilization drying and crushing then, make the moisture vaporization more than 60%, extract liquid fat, be used for feedstuff oil fat raw material or technical oils fat raw material; After extracting grease, continue the dry and pulverizing with the solids in the changing food waste, make feedstuff raw material; Utilize circulation to reclaim waste liquid making technical oils fat raw material and fertilizer that drop goes out; Utilize waste gas to reclaim heat energy and cultivate biological bacteria, reclaim clean water of condensation and be used for domestic water and process water.This invention is fully recycled changing food waste, and the heat energy that produces in the treating processes and water of condensation also can both recycles, changing food waste is turned waste into wealth, and processing cost are lower.But this method is reasonable not enough to the processing of water reuse, carry out processed and increase energy consumption, but also wasted water resources, also need simultaneously rubbish is pulverized, thereby further increased processing cost, and waste gas is directly discharging and do not do further to utilize, so its treatment process should be further improved.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of waste oil that can reclaim can be to waste water and the slag waste oil treatment process as energy utilization at above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that adopts: waste oil treatment process of the present invention, it is characterized in that, this treatment process may further comprise the steps: one, the waste oil raw material is heated, the waste oil raw material is layered as from top to bottom successively: the waste oil layer because of the difference of density, oil, water, slag three-phase mixture layer, waste water layer, sediment deposition thing layer; Two, described waste oil layer is separated into waste oil, waste water, slag through collection, and described waste oil is carried out that oily water separation obtains again can be for the preparation of waste oil, the waste water of industrial chemicals or biofuel; Three, described oil, water, slag three-phase mixture layer obtain filtrate and slag through collecting to filter; A, described filtrate mixed with wood chip stir to form the wood chip mixture; B, the squeezing of described wood chip mixture is obtained pressing cake and squeeze the juice; C, with the described heating of squeezing the juice, with squeezing the juice and be separated into waste oil, waste water, slag after the heating, wherein waste oil is carried out that oily water separation obtains again can be for the preparation of waste oil, the waste water of industrial chemicals or biofuel; Four, the wastewater collection in the waste water layer described in the waste water described in described step 2 and the step 3 and the step 1 is handled; Five, with the slag described in described step 1 and the step 2 and the slag described in the step 3 and the collection and treatment of press for extracting juice cake; Six, the sediment deposition thing layer described in the step 1 is focused on, the waste oil raw material finally is processed to the finished product of a series of economically valuables.
As improvement, place casing at the raw material of waste oil described in the step 1, in casing, feed steam the waste oil raw material is heated, make the layering successively from top to bottom in casing of waste oil raw material, can be as direct heating source, safely cleaning and a low cost under oxygen-free environment.
Improve again, in being collected in whizzer, be separated into waste oil, waste water, slag at the layer of waste oil described in the step 2, the powerful centrifugal force that utilizes the centrifuge rotor high speed rotating to produce, the settling velocity of particle in the accelerating liquid is opened the separating substances of different settling ratios and buoyant density in the waste oil raw material.
Improve, separate obtaining waste oil, waste water at waste oil described in the step 2 in separating machine, separation automation degree height, current consumption is little, price is low.
Improve, the concrete grammar that the wastewater collection in the described step 4 is handled is again: concentrate fermentation to make biogas and liquid organic fertilizer in methane-generating pit described waste water.
Improve, the slag in the described step 5 with the concrete grammar that presses the cake collection and treatment is again: described slag carries out burning disposal with the press for extracting juice cake as boiler oil.
Improve, described slag is used for heating waste oil raw material and the thermal source of squeezing the juice, resource circulation utilization with the thermal source that presses cake burning generation again.
Improve, described waste oil raw material will produce by vehicle in the unit of waste oil raw material oil from the higher part of oleaginousness, water, the slag mixture and collect again, and then be transported to treatment plant's discharging platform and recycle.
Improve, the unit of described generation waste oil raw material is hotel, dining room, dining room oil trap more again, conveniently raw material is carried out collection unified, that concentrate.
Compared with prior art, the invention has the advantages that: the treatment process of this waste oil is utilized the composition of waste oil raw material, isolate discarded food oils finished product substantially, and waste water can be converted to biogas with can be as the natural pond liquid of fertilizer, and the slag that produces can be as the fuel of boiler, not only solve the problem that discarded food oils raw material is refined into sewer oil by the lawless person, and can also produce favorable economic benefit, made discarded food oils raw material " turn waste into wealth "; And the refuse collector of specialty concentrates closed to receive fortune to the waste oil raw material, can road pavement in shipment and environment cause secondary pollution, reach the effect of optimizing the environment, therefore, the treatment process environmental protection of waste oil of the present invention and resource utilization height are worthy of popularization.
Description of drawings
Fig. 1 is the schema of the embodiment of the invention;
Fig. 2 is the flow diagram of Fig. 1;
Fig. 3 is the schema of the another kind of embodiment of the present invention;
Fig. 4 is the flow diagram of Fig. 3.
Embodiment
Describe in further detail below in conjunction with the present invention of accompanying drawing embodiment.
Shown in Fig. 1 to 4, the waste oil treatment process of present embodiment, major programme is received fortune-processing treatment-collection finished product for concentrating.
At first, collect the worker oil, water, the slag mixture of the higher part of oleaginousness of the waste oil unit of generation are collected, be transported to treatment plant's discharging platform.
Secondly, with the lasting heating of waste oil raw material about 8 hours, i.e. layering gradually, being divided into is four layers, is respectively waste oil layer 11 from top to bottom, oil, water, slag three-phase mixture layer 12, waste water layer 13, sediment deposition thing layer 14.
The waste oil of top layer joins triphase horizontal whizzer 2 through collection and carries out solid-liquid-liquid three phase separation, under the high speed rotating of triphase horizontal whizzer 2, separate and produce oil, waste water, slag, the oil that wherein separates generation joins disk centrifuge 3 again and carries out oily water separation, after separating the removal small amount of moisture, namely obtain the waste oil finished product, can be used as product and carry out the can sale.This waste oil finished product can be used as industrial chemicals, also can make biofuel, and its market consumption is very extensive.Separate the waste water that produces separates generation with disk centrifuge 3 waste water through triphase horizontal whizzer 2 and all concentrate and enter methane-generating pit 4 and ferment, the biogas of fermentation generation can be used as fuel, and the natural pond liquid of generation can directly be sprayed in the farmland as liquid organic fertilizer.Separate the slag that produces through triphase horizontal whizzer 2 and then carry out burning disposal as boiler 5 fuel, boiler burns the heating thermal source that the steam that produces can be used as heating container and heating flow container.
The second layer is oil, water, slag three-phase mixture layer, this layer material is collected join in the filter 7.Under the rotating filter of filter screen, filter out filter residue and filtrate in filter 7, the filter residue major ingredient is impurity such as plastics film, cloth, can be used as boiler oil and carry out burning disposal in boiler.Filtrate in the filter casing is delivered to stirrer 8 through spiral pump, enter into stirrer 8 and wood chip mixing stirring, the wood chip mixture is transported to squeezing machine 9 through worm conveyor and squeezes, under the squeezing action of double-helical squeezing machine 9, squeeze the juice through the web plate orifice flow to the case of squeezing the juice, be delivered to heating flow container 10 through spiral pump, press cake and deliver to boiler through worm conveyor, as the fuel of boiler, for generation of steam.Enter squeezing the juice of heating flow container 10 and carry out solid-liquid-liquid three phase separation through entering triphase horizontal whizzer 2 after the heating, the slag of separating is delivered to boiler and is burned, and waste water enters the methane-generating pit fermentation, and waste oil enters disk centrifuge 3 and carries out oily water separation.
The 3rd layer is waste water layer, and waste water layer joins methane-generating pit 4 fermentations, finally produces biogas and liquid organic fertilizer.
The 4th layer is sediment deposition thing layer, and the major ingredient of this layer is throw outs such as silt, this layer material is collected to focus on get final product.
At last, operator the finished product that processes pack, can, sale.
In the waste oil treatment process of the present invention, the final processed generation waste oil finished product of waste oil raw material, biogas, liquid organic fertilizer and boiler oil, these finished products not only can not pollute environment, also have favorable economic benefit.
The processing of natural pond liquid composting material is existing proven technique abroad, and through practical application, respond well, make natural pond liquid after treatment can meet related standard requirements, directly be sprayed in the farmland as liquid organic fertilizer.
Organic fertilizer is rich in organic substance and the required nutritive substance of plant growth, can not only provide plant growth required nutrient, improves the soil, can also improve crop quality, improve crop yield, promote the high crop yield stable yields, preservation of fertility can improve utilization rate of fertilizer simultaneously, reduces production costs.Fully rationally utilize organic fertilizer can increase crop yield, culture fertility, improve quality of agricultural product, improve the validity of soil nutrient.Along with the raising of living standards of the people, the resident constantly increases the free of contamination demand organic, green food of safety and sanitation, and vast farmers presses for the market competitiveness that application of organic fertilizers improves agricultural-food.
Contain methane, carbonic acid gas, hydrogen sulfide, other gases etc. in the biogas that the fermentation back produces.Methane gas has combustibility, and concentration can reach 60%-75% usually, can directly act as a fuel to burn.
Except direct burning, the biogas that produces behind the anaerobically fermenting can also enter town gas manufacturing enterprise after purifying through decarburization, through entering pipe network after the pressurization, supplies with resident's daily life and uses.
Along with continuous advancement in technology, new-energy automobile engenders on market.European countries, as Sweden, the new-energy automobile that utilizes biogas to act as a fuel has appearred in Germany etc.If can popularize the filling website, biogas also is very superior new-energy automobile fuel.
Separate the waste oil finished product that produces, through changing biofuel or other chemical engineering industry raw materials into after chemical process or the biological method processing.It is reported that now the price of waste oil finished product is at about 5500 yuan per ton, and the cost that is processed into biofuel is 7000 yuan per ton, the price of biofuel finished product on market is 8000 yuan per ton, cheap nearly 1000 yuan than fossil diesel fuel! And biofuel aromatic free and heavy metal, No. 0 diesel oil of sulfur-bearing numeric ratio is much lower, and burning can not produce pollution, and biofuel has unique recyclability in addition, we can say inexhaustiblely, and application prospect is very wide.
Claims (9)
1. the treatment process of a waste oil is characterized in that, this treatment process may further comprise the steps:
One, with the heating of waste oil raw material, the waste oil raw material is layered as from top to bottom successively: waste oil layer (11), oil, water, slag three-phase mixture layer (12), waste water layer (13), sediment deposition thing layer (14) because of the difference of density;
Two, described waste oil layer (11) is separated into waste oil, waste water, slag through collection, and described waste oil is carried out that oily water separation obtains again can be for the preparation of waste oil, the waste water of industrial chemicals or biofuel;
Three, described oil, water, slag three-phase mixture layer (12) obtain filtrate and slag through collecting to filter;
A, described filtrate mixed with wood chip stir to form the wood chip mixture;
B, the squeezing of described wood chip mixture is obtained pressing cake and squeeze the juice;
C, with the described heating of squeezing the juice, with squeezing the juice and be separated into waste oil, waste water, slag after the heating, wherein waste oil is carried out that oily water separation obtains again can be for the preparation of waste oil, the waste water of industrial chemicals or biofuel;
Four, the wastewater collection in the waste water layer (13) described in the waste water described in described step 2 and the step 3 and the step 1 is handled;
Five, with the slag described in described step 1 and the step 2 and the slag described in the step 3 and the collection and treatment of press for extracting juice cake;
Six, the sediment deposition thing layer (14) described in the step 1 is focused on.
2. treatment process according to claim 1, it is characterized in that: place casing (1) at the raw material of waste oil described in the step 1, in casing (1), feed steam the waste oil raw material is heated, make the layering successively from top to bottom in casing (1) of waste oil raw material.
3. treatment process according to claim 1 is characterized in that: be separated into waste oil, waste water, slag at the layer of waste oil described in the step 2 in being collected in whizzer (2).
4. treatment process according to claim 1 is characterized in that: separate obtaining waste oil, waste water at waste oil described in the step 2 in separating machine (3).
5. according to arbitrary described treatment process in the claim 1 to 4, it is characterized in that: the concrete grammar that the wastewater collection in the described step 4 is handled is: concentrate fermentation to make biogas and liquid organic fertilizer in methane-generating pit (4) described waste water.
6. according to arbitrary described treatment process in the claim 1 to 4, it is characterized in that: the slag in the described step 5 with the concrete grammar that presses the cake collection and treatment is: described slag carries out burning disposal with the press for extracting juice cake as boiler (5) fuel.
7. treatment process according to claim 6 is characterized in that: described slag with press cake and burn the thermal source that produces and be used for heating waste oil raw material and the thermal source of squeezing the juice.
8. according to arbitrary described treatment process in the claim 1 to 4, it is characterized in that: described waste oil raw material will produce by vehicle (6) in the unit of waste oil raw material oil from the higher part of oleaginousness, water, the slag mixture and collect.
9. treatment process according to claim 8, it is characterized in that: the unit of described generation waste oil raw material is hotel, dining room, dining room oil trap.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310114905.7A CN103194314B (en) | 2013-03-19 | 2013-03-19 | Method for treating waste oil |
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| CN201310114905.7A CN103194314B (en) | 2013-03-19 | 2013-03-19 | Method for treating waste oil |
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| CN103194314B CN103194314B (en) | 2014-09-10 |
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Cited By (5)
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| CN103602523A (en) * | 2013-11-05 | 2014-02-26 | 江苏晨洁再生资源科技有限公司 | Pre-treatment technology of waste edible oil |
| CN103977629A (en) * | 2014-03-26 | 2014-08-13 | 嘉兴学院 | Liquid-solid separation method for oil-water slag generated during refining of swill-cooked dirty oil |
| CN105886126A (en) * | 2014-11-07 | 2016-08-24 | 安徽清溪环保科技有限公司 | Waste grease innocent treatment method and equipment for implementing same |
| CN107523422A (en) * | 2017-10-16 | 2017-12-29 | 刘约翰 | A kind of waste grease device |
| CN111715667A (en) * | 2020-06-29 | 2020-09-29 | 南京明豪环保科技有限公司 | Method and system for separating waste oil from kitchen waste |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105886126A (en) * | 2014-11-07 | 2016-08-24 | 安徽清溪环保科技有限公司 | Waste grease innocent treatment method and equipment for implementing same |
| CN107523422A (en) * | 2017-10-16 | 2017-12-29 | 刘约翰 | A kind of waste grease device |
| CN111715667A (en) * | 2020-06-29 | 2020-09-29 | 南京明豪环保科技有限公司 | Method and system for separating waste oil from kitchen waste |
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| Publication number | Publication date |
|---|---|
| CN103194314B (en) | 2014-09-10 |
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