CN104073363A - Degumming and impurity removing process and equipment for waste oil - Google Patents
Degumming and impurity removing process and equipment for waste oil Download PDFInfo
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- CN104073363A CN104073363A CN201410326604.5A CN201410326604A CN104073363A CN 104073363 A CN104073363 A CN 104073363A CN 201410326604 A CN201410326604 A CN 201410326604A CN 104073363 A CN104073363 A CN 104073363A
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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
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Abstract
The invention creatively provides a degumming and impurity removing process and equipment for waste oil to obtain high-purity oil for producing biological diesel. As shown in the figure, the degumming and impurity removing equipment comprises an oil raw material tank 1, a gear pump 2, a settling and degumming kettle 3, a security filter 4, an oil pump 5, a packing filter 6, a dehydration kettle 7, a condenser 8, a water collecting tank 9, a packing box 10, a vacuum unit 11, a cooler 12, a water tank 13, a water pump 14 and an oil separator 15.
Description
Technical field
The present invention relates to that a kind of waste oil comes unstuck and the Processes and apparatus of removal of impurities, belong to chemical field, relate to particularly that a kind of waste oil comes unstuck and the Processes and apparatus of removal of impurities to obtain grease that purity is high to meet the technique needs by waste oil production biofuel.
Background technology
What waste oil referred to that food production or marketing unit produces in business process can not be edible again animal-plant oil, comprise after grease uses, produce can not be edible again grease, what catering trade waste grease and oil-containing waste water produced after water-and-oil separator or oil trap separate can not be edible again grease.For example: the waste oil that non-edible lard, hogwash fat, the lampblack absorber that frying waste oil, the industrial pigskin chopped cooked entrails of sheep boil discharges etc.The output of China's waste oil is very large, it is estimated, the amount of waste grease accounts for the 20%-30% of edible oil aggregate consumption.Consume every year edible oil 21Mt in China, produce every year waste oil 4-8Mt.Collect and can have 4Mt left and right as the waste grease of the utilization of resources.It is reported, restaurant, incity, Beijing just can produce about 20t waste oil for one day, more than can reaching 7kt every year.China is again liquefaction big country in the world, every year can be more than processing and eating oil 10Mt, and have the bone product processing enterprises such as several thousand edible oils and meat, leather, bone meal, gelatine, gelatin, can discharge every year the millions of tons of animal-plant oil tankage.If these waste oils and animal and vegetable oil leftover directly discharge, not only cause environment and water pollution, and be a kind of serious wasting of resources.It is reported, the about 2Mt edible oil of the annual use of Japan, produces 400-600kt waste edible oil, wherein has 250-260kt to be recycled.At present, the major industry purposes of utilizing food and beverage waste oil and grease and animal and vegetable oil leftover is to produce the Chemicals such as oil, soap, coating and washing composition animal-feed for, has serious potential safety hazard with the animal-feed of waste edible oil fat interpolation, is forbidded strictly.In order thoroughly to stop the harm of waste edible oil fat and animal and vegetable oil leftover, improve its utility value, finding the new approach that utilizes has become the task of top priority, and using it for production biofuel is a good developing direction.
In these waste oils, contain large quantity of moisture, colloid and various foreign material etc., can not be directly as the raw material of preparing biofuel or industrial grease.In order to ensure stable production technique and to obtain qualified biofuel product, must dewater to waste oil, come unstuck and removal of impurities etc. processed refining.Traditional waste oil pre-treatment must be passed through multistep method refining, and not only complex process power consumption was large but also have a large amount of discharge of wastewater.---centrifugal removal of impurities---middle temperature alkali refining---washing---hydration degum---distillation deodorization---adsorption bleaching---vacuum-drying etc. that its basic technology is divided into eight steps: deposition dehydrating.Traditional intermittent type alkali refining adopts caustic soda depickling method, and deacidification efficiency is high, but neutral oil saponification degree is also high, and loss is large.In refining process, need a large amount of water to remove excessive caustic soda in washing oil, easily produce a large amount of waste water.Refining process is many, technique is long, need vacuum and medium temperature condition, has caused that power consumption is large, the rate of recovery is low, and Business Economic Benefit is poor.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of waste oil to come unstuck and the Processes and apparatus of removal of impurities, to obtain the production for biofuel of grease that purity is high.
To achieve these goals, the invention waste oil comes unstuck and the technical scheme of the process using of removal of impurities is:
(1) raw material waste oil is squeezed into the sedimentation still that comes unstuck from head tank by toothed gear pump, the sedimentation still that comes unstuck is provided with steam tracing, under steam tracing, be warming up to 80 DEG C, under agitation add the phosphoric acid of oil quantity 2/1000ths, the concentration of phosphoric acid is 80%, stirs 10 to 15 minutes, stops stirring natural subsidence 30 to 50 minutes, open the sedimentation still bottom valve that comes unstuck, by assorted the water that the contains colloid oil trap that drains into;
(2) grease after coming unstuck after security filter by pump squeeze into wadding filter further essence filter;
(3) grease after essence filtration automatically flows into dehydrating kettle under the effect of pressure reduction, dehydrating kettle by steam indirect heating to 100 to 110 DEG C, and vacuumize lower deep dehydration at vacuum unit, water vapour drains into Sewage treatment systems after condensate cooler is cooling, and the grease after deep dehydration is beaten to biofuel workshop with pump.
The beneficial effect of the invention is:
Refining efficiency is improved compared with traditional method, has reduced neutral oil loss, has improved the performance of enterprises, has exempted a large amount of waste water and has produced, favourable protection of the environment.In refining, be that two steps complete by original eight traditional step process process simplifications, not only saving water resource, and process simplification, energy-saving and cost-reducing, not only reduce investment but also optimized operational condition, the purifying regeneration rate of recovery that has also improved waste oil, comprehensive benefit significantly improves.No matter waste oil after regeneration is that color and luster, peroxide value or moisture and volatile matter content, impurity, acid value meet national standard substantially.Refining grease after purification, yield approximately 98%.
Brief description of the drawings
Accompanying drawing is the process flow diagram of the invention, and wherein 1 is glyceride stock tank, the 2nd, and toothed gear pump, the 3rd, the sedimentation still that comes unstuck, the 4th, cartridge filter, the 5th, oil pump, the 6th, wadding filter, the 7th, dehydrating kettle, the 8th, condensate cooler, the 9th, water collect tank, the 10th, stuffing box, the 11st, vacuum unit, the 12nd, water cooler, the 13rd, water tank, the 14th, water pump, the 15th, oil trap.
As shown in drawings, a kind of waste oil comes unstuck and the equipment of the technique of removal of impurities: be made up of come unstuck still (3), cartridge filter (4), oil pump (5), wadding filter (6), dehydrating kettle (7), condensate cooler (8), water collect tank (9), stuffing box (10), vacuum unit (11), water cooler (12), water tank (13), water pump (14), oil trap (15) etc. of glyceride stock tank (1), toothed gear pump (2), sedimentation, wherein come unstuck still (3) and dehydrating kettle (7) of sedimentation is provided with steam heating adjoining pipe, wherein glyceride stock tank (1) is connected with toothed gear pump (2) and oil trap (15) by pipeline, toothed gear pump (2) is by pipeline and valve and glyceride stock tank (1), sedimentation come unstuck still (3) be connected, the sedimentation still that comes unstuck is connected with toothed gear pump (2) and cartridge filter (4) respectively by pipeline, cartridge filter (4) is connected with come unstuck still (3) and oil pump (5) of sedimentation respectively by pipeline, oil pump is connected with cartridge filter (4) and wadding filter (6) respectively by pipeline, wadding filter (6) is connected with oil pump (5) and dehydrating kettle (7) respectively by pipeline, dehydrating kettle (7) is connected with wadding filter (6) and condensate cooler (8) respectively by pipeline, condensate cooler (8) is connected with dehydrating kettle (7) and water collect tank (9) respectively by pipeline, water collect tank (9) by pipeline respectively with condensate cooler (8), stuffing box (10) and water pump (14) are connected, stuffing box (10) is connected with header tank (9) and vacuum unit (11) respectively by pipeline, vacuum unit (11) is connected with stuffing box (10) and water cooler (12) respectively by pipeline, water cooler (12) is connected with vacuum unit (11) and water tank (13) respectively by pipeline, water tank (13) is connected with water cooler (12) and water pump (14) respectively by pipeline, water pump by pipeline respectively with water collect tank (9), stuffing box (10) and (water tank (13) be connected, wherein the sedimentation still (3) that comes unstuck is connected with steam-pipe respectively with dehydrating kettle (7), condensate cooler (8) and water cooler (12) be connected with recirculated cooling water pipeline respectively.
Claims (2)
1. waste oil comes unstuck and the technique of removal of impurities, it is characterized in that: (1) raw material waste oil is squeezed into the sedimentation still that comes unstuck from head tank by toothed gear pump, the sedimentation still that comes unstuck is provided with steam tracing, under steam tracing, be warming up to 80 DEG C, under agitation add the phosphoric acid of oil quantity 2/1000ths, the concentration of phosphoric acid is 80%, stir 10 to 15 minutes, stop stirring natural subsidence 30 to 50 minutes, open the sedimentation still bottom valve that comes unstuck, by assorted the water that the contains colloid oil trap that drains into;
(2) grease after coming unstuck after security filter by pump squeeze into wadding filter further essence filter;
(3) grease after essence filtration automatically flows into dehydrating kettle under the effect of pressure reduction, dehydrating kettle by steam indirect heating to 100 to 110 DEG C, and vacuumize lower deep dehydration at vacuum unit, water vapour drains into Sewage treatment systems after condensate cooler is cooling, and the grease after deep dehydration is beaten to biofuel workshop with pump.
2. waste oil according to claim 1 comes unstuck and the equipment of the technique of removal of impurities, it is characterized in that: be made up of come unstuck still (3), cartridge filter (4), oil pump (5), wadding filter (6), dehydrating kettle (7), condensate cooler (8), water collect tank (9), stuffing box (10), vacuum unit (11), water cooler (12), water tank (13), water pump (14), oil trap (15) etc. of glyceride stock tank (1), toothed gear pump (2), sedimentation, wherein come unstuck still (3) and dehydrating kettle (7) of sedimentation is provided with steam heating adjoining pipe, wherein glyceride stock tank (1) is connected with toothed gear pump (2) and oil trap (15) by pipeline, toothed gear pump (2) is by pipeline and valve and glyceride stock tank (1), sedimentation come unstuck still (3) be connected, the sedimentation still that comes unstuck is connected with toothed gear pump (2) and cartridge filter (4) respectively by pipeline, cartridge filter (4) is connected with come unstuck still (3) and oil pump (5) of sedimentation respectively by pipeline, oil pump is connected with cartridge filter (4) and wadding filter (6) respectively by pipeline, wadding filter (6) is connected with oil pump (5) and dehydrating kettle (7) respectively by pipeline, dehydrating kettle (7) is connected with wadding filter (6) and condensate cooler (8) respectively by pipeline, condensate cooler (8) is connected with dehydrating kettle (7) and water collect tank (9) respectively by pipeline, water collect tank (9) by pipeline respectively with condensate cooler (8), stuffing box (10) and water pump (14) are connected, stuffing box (10) is connected with header tank (9) and vacuum unit (11) respectively by pipeline, vacuum unit (11) is connected with stuffing box (10) and water cooler (12) respectively by pipeline, water cooler (12) is connected with vacuum unit (11) and water tank (13) respectively by pipeline, water tank (13) is connected with water cooler (12) and water pump (14) respectively by pipeline, water pump by pipeline respectively with water collect tank (9), stuffing box (10) and (water tank (13) be connected, wherein the sedimentation still (3) that comes unstuck is connected with steam-pipe respectively with dehydrating kettle (7), condensate cooler (8) and water cooler (12) be connected with recirculated cooling water pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326604.5A CN104073363A (en) | 2014-06-30 | 2014-06-30 | Degumming and impurity removing process and equipment for waste oil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326604.5A CN104073363A (en) | 2014-06-30 | 2014-06-30 | Degumming and impurity removing process and equipment for waste oil |
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| Publication Number | Publication Date |
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| CN104073363A true CN104073363A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410326604.5A Pending CN104073363A (en) | 2014-06-30 | 2014-06-30 | Degumming and impurity removing process and equipment for waste oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946402A (en) * | 2015-06-05 | 2015-09-30 | 杭州中显环保能源有限公司 | Pretreatment equipment for biological fuels and production process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071103A (en) * | 2011-01-25 | 2011-05-25 | 湖南省生物柴油工程技术研究中心 | Novel dry-method degumming method for abandoned oil |
| CN103451009A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Preparation method of non-edible animal and plant crude oil refined oil |
| CN103805336A (en) * | 2012-11-08 | 2014-05-21 | 北京中天金谷粮油工程技术有限公司 | High-efficient rice bran oil degumming method |
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2014
- 2014-06-30 CN CN201410326604.5A patent/CN104073363A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071103A (en) * | 2011-01-25 | 2011-05-25 | 湖南省生物柴油工程技术研究中心 | Novel dry-method degumming method for abandoned oil |
| CN103451009A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Preparation method of non-edible animal and plant crude oil refined oil |
| CN103805336A (en) * | 2012-11-08 | 2014-05-21 | 北京中天金谷粮油工程技术有限公司 | High-efficient rice bran oil degumming method |
Non-Patent Citations (1)
| Title |
|---|
| 陈智斌等: "《食品加工学》", 31 August 2012, 哈尔滨工业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946402A (en) * | 2015-06-05 | 2015-09-30 | 杭州中显环保能源有限公司 | Pretreatment equipment for biological fuels and production process thereof |
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Application publication date: 20141001 |