CN103785671A - Oil recovery system and method used for kitchen waste treatment - Google Patents
Oil recovery system and method used for kitchen waste treatment Download PDFInfo
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- CN103785671A CN103785671A CN201410040385.4A CN201410040385A CN103785671A CN 103785671 A CN103785671 A CN 103785671A CN 201410040385 A CN201410040385 A CN 201410040385A CN 103785671 A CN103785671 A CN 103785671A
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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 relates to an oil recovery system and method used for kitchen waste treatment. The oil recovery system comprises a slurry heating unit, a slurry separation unit, an auxiliary unit and a pumping unit, wherein the slurry heating unit comprises a slurry heater; the slurry heater is respectively connected with a condensate water discharge pipe, a steam pipe and a slurry pipe; the slurry heater is communicated with a pulping system through the slurry pipe; the slurry separation unit comprises at least one centrifugal machine and is communicated with the slurry heating unit through a pipeline; the slurry separation unit is respectively connected with an oil output pipe and an anaerobic fermentation system (or other subsequent treatment systems); the auxiliary unit comprises a flushing water heater; the flushing water heater is communicated with the slurry heater and each centrifugal machine; the pumping unit comprises multiple delivery pumps. The oil recovery system has the beneficial effects that oil in the kitchen waste treatment is separated and recycled, and the difficult problems that grease in the kitchen waste treatment is unfavorable for anaerobic digestion and pollutes the environment are solved.
Description
Technical field
The present invention relates to a kind of technology of garbage disposal field, be specifically related to oil recovery system and processing method thereof in a kind of changing food waste processing.
Background technology
Since reform and opening-up, living standards of the people improve day by day, but save and environmental consciousness does not also reach level of developed countries, and this contradiction manifests the pollution of changing food waste to environment and the harm of public health security gradually, and starts perplexing people.And changing food waste process in oil-containing not only bad for sorting, and affect follow-up anaerobic digestion.From changing food waste is processed, oil is separated and recycled, just solved an above difficult problem, and turned waste into wealth, improved changing food waste into resources, innoxious, minimizing level.
In changing food waste processing at present, the recovery of oil only limits to the extraction of hogwash fat in crude waste.Not only the rate of recovery is low, and energy consumption is large, and running environment is poor.Mainly be divided at home two kinds of techniques for the material after hogwash fat extraction, a kind of with the oil slick above oil skimming machine skim heating slurry, another kind of technique is that the material after just sorting passes through Physical slurrying, then delivers to anaerobic jar anaerobic digestion.But together with slurry blending, the rate of recovery of oil is low and percentage of impurity is high at oil during changing food waste is processed.When grease is not removed or can not get to remove well and while sending in anaerobic jar, these greases can not be by anaerobic bacteria digest and decompose, and the top of aggregated material produces scum silica frost crust.Also be the reason that produces anaerobism foam in addition, easily operating environment produced to baneful influence.The subsequent treatment that these have greatly affected material, has limited the development of changing food waste into resources.
Summary of the invention
The object of this invention is to provide oil recovery system and processing method thereof in a kind of changing food waste processing, to overcome prior art above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
Oil recovery system in a kind of changing food waste processing, comprising:
Slurry heating unit, described slurry heating unit comprises slurry heater, and described slurry heater connects respectively drip pipe, steam pipe and slurry pipe, and described slurry heater is communicated with pulping system by slurry pipe;
Pulp separation unit, described pulp separation unit comprises at least one desk centrifuge, described pulp separation unit is communicated with described slurry heating unit by pipeline, and described pulp separation unit is connected with respectively grease efferent duct and anaerobic fermentation system or other subsequent treatment system;
Auxiliary unit, described auxiliary unit comprises flushing water heater, described flushing water heater connects respectively running water pipe and steam pipe; Described flushing water heater is communicated with slurry heater and centrifuge; And
One pumping unit, described pumping unit comprises some delivery pumps, described delivery pump be separately positioned between pulp separation unit and described slurry heating unit and pulp separation unit and anaerobic fermentation system or other subsequent treatment system between.
Further, described slurry heater is made up of drive unit, agitating device, the empty axle of Steam Heating and steam jacket.
Further, described drive unit comprises motor, belt, belt pulley and reduction box; Described agitating device comprises the empty axle of Steam Heating and stirrer paddle; The empty axle of described Steam Heating comprises steam input device and condensate water extraction device; Wherein steam input device guarantees that jet chimney is relatively static and axle does relative rotary motion.
Oily recovery and treatment method in a kind of changing food waste processing, comprises the following steps:
1) changing food waste is made to slurry through pulping system;
2) by changing food waste slurry pumping to slurry heater, through slurry heater, slurry is heated to 70 to 100 ℃;
3) slurry after heating separates grease through first-stage centrifugal machine or two-stage centrifugal machine with other material; And
4) by isolated grease for the production of biodiesel, other material pumping of non-grease is carried out to digestion process to anaerobic fermentation system, for the production of biogas; Or other material pumping of non-grease is arrived to other subsequent treatment system.
Further, described processing method is also for the treatment of the debirs containing greasy waste and oil-containing of animals died of illness, slaughter-house refuse, food processing process.
The invention has the beneficial effects as follows: changing food waste of the present invention process in oil recovery system and processing method thereof realized that oil during changing food waste is processed is separated and resource is recycled, and solved the difficult problem that grease during changing food waste is processed is unfavorable for anaerobic digestion and environmental pollution.Whole processing method, in having reduced impurity and moisture contained in grease, also improves oil recovery rate, and running environment is good, and technique is simply efficient.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the structured flowchart of oil recovery system during the changing food waste described in the embodiment of the present invention is processed;
Fig. 2 is the FB(flow block) of oily recovery and treatment method during the changing food waste described in the embodiment of the present invention is processed.
In figure:
1, slurry heater; 2, drip pipe; 3, slurry pipe; 4, flushing water heater; 5, running water pipe; 6, steam pipe; 7, centrifuge; 8, delivery pump; 9, grease efferent duct; 10, anaerobic fermentation system; 11, pulping system.
The specific embodiment
As shown in Figure 1, oil recovery system in changing food waste processing described in the embodiment of the present invention, comprise slurry heating unit, pulp separation unit, pumping unit and auxiliary unit, described slurry heating unit comprises slurry heater 1, described slurry heater 1 is made up of drive unit, agitating device, the empty axle of Steam Heating and steam jacket, slurry heater 1 intermittent feeding, continuous operation; Slurry heater 1 adopts steam indirect, steam passes into fixing housing steam jacket, be divided into several parts according to shell length and heating efficiency, be uniformly distributed and cover whole device length scope with the steam that guarantees steam jacket, device interior is provided with screw rotor, and screw rotor stirs and promote material.Described slurry heater 1 is connected with respectively drip pipe 2, steam pipe 6 and slurry pipe 3, and described slurry heater 1 is communicated with pulping system 10 by slurry pipe 3, and steam pipe 6 is connected with steam supply system, for heating to whole system; Described pulp separation unit comprises at least one desk centrifuge 7, and described pulp separation unit is communicated with described slurry heating unit by pipeline, and described pulp separation unit is connected with respectively grease efferent duct 9 and anaerobic fermentation system 10 or other subsequent treatment system; Described pumping unit comprises some delivery pumps 8; Described auxiliary unit comprises flushing water heater 4; described flushing water heater 4 is communicated with slurry heater 1 and centrifuge 7; flushing water heater 4 is connected with respectively running water pipe 5 and steam pipe 6; employing steam-water mixing flushing water heater 4 is by steam by tap water heating, and the hot water after heating is used for shutting down flushing line and equipment.
The drive unit of described slurry heater 1 comprises motor, belt, belt pulley and reduction box; Described agitating device comprises the empty axle of Steam Heating and stirrer paddle; The empty axle of described Steam Heating comprises steam input device and condensate water extraction device.Described delivery pump 8 be separately positioned between pulp separation unit and described slurry heating unit and pulp separation unit and anaerobic fermentation system 10 or other subsequent treatment system between.
The advantage of steam indirect is, heating process stirring gentleness, and slurry mixes, and in conjunction with higher stirring efficiency and mixed effect, heating process is simple and efficient.
As shown in Figure 2, the changing food waste described in the embodiment of the present invention process in the method for oil recycling, comprise the following steps:
1) changing food waste is made to slurry through pulping system 11;
2) by changing food waste slurry pumping to slurry heater 1, through slurry heater 1, slurry is heated to 70 to 100 ℃;
3) slurry after heating separates grease through first-stage centrifugal machine 7 or two-stage centrifugal machine 7 with other material;
4) by isolated grease for the production of biodiesel, other material pumping of non-grease is carried out to digestion process to anaerobic fermentation system 10, for the production of biogas; Or other material pumping of non-grease is arrived to other subsequent treatment system.
Above-mentioned processing method can also be for the treatment of the debirs containing greasy waste and other oil-containing of animals died of illness, slaughter-house refuse, food processing process.
In changing food waste processing described in the embodiment of the present invention, oil recovery system when mounted, process at existing changing food waste in the oil removing in pretreatment workshop by line arrangement, and this positional distance reception bucket and steam supply system room are all closer, facilitate pipeline to connect.Native system utilizes pretreated changing food waste slurry, by steam indirect and oily water separating equipment, the grease in rubbish is separated, is reclaimed.
In changing food waste processing described in the embodiment of the present invention, the operation principle of oil recovery system is: changing food waste slurry is passed through to the pulping system 11 discharging pipeline of discharging pump below, send into precipitate and separate pond, the slurry in precipitate and separate pond is sent into slurry heater 1 by delivery pump, heat, feeding manner is intermittent feeding; Steam supply system steam pipe is connected to slurry heater 1, for material indirect; Material after heating is transported to centrifuge 7 by centrifuge 7 charging delivery pumps 8, isolates other material of oil phase and non-grease, and centrifuge 7 feeding manners are continuous feed; Oil phase is collected in oil drum, can pour into after existing fuel tank storage, delivers to oil storage tank by existing oil transfer pump; Other material of non-grease by centrifuge 7 bottoms the centrifuge 7 with material-pulling device go out material conveying pump 8 send into receive bucket.
The present invention is not limited to above-mentioned preferred embodiments; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.
Claims (5)
1. an oil recovery system in changing food waste processing, is characterized in that, comprising:
One slurry heating unit, described slurry heating unit comprises slurry heater (1), described slurry heater (1) connects respectively drip pipe (2), steam pipe (6) and slurry pipe (3), and described slurry heater (1) is communicated with pulping system (11) by slurry pipe (3);
One pulp separation unit, described pulp separation unit comprises at least one desk centrifuge (7); Described pulp separation unit is communicated with described slurry heating unit by pipeline, and described pulp separation unit is connected with respectively grease efferent duct and anaerobic fermentation system (10);
Auxiliary unit, described auxiliary unit comprises flushing water heater (4), described flushing water heater (4) connects respectively running water pipe (5) and steam pipe (6); Described flushing water heater (4) is communicated with slurry heater (1) and centrifuge (7); And
One pumping unit, described pumping unit comprises some delivery pumps (8), described delivery pump (8) is separately positioned between pulp separation unit and described slurry heating unit and between pulp separation unit and anaerobic fermentation system (10).
2. oil recovery system in changing food waste processing according to claim 1, is characterized in that: described slurry heater (1) is made up of drive unit, agitating device, the empty axle of Steam Heating and steam jacket.
3. oil recovery system in changing food waste processing according to claim 2, is characterized in that: described drive unit comprises motor, belt, belt pulley and reduction box; Described agitating device comprises the empty axle of Steam Heating and stirrer paddle.
4. oil recovery system in changing food waste processing according to claim 3, is characterized in that: the empty axle of described Steam Heating comprises steam input device and condensate water extraction device.
5. an oily recovery and treatment method in changing food waste processing, is characterized in that, comprises the following steps:
1) changing food waste is made to slurry through pulping system (11);
2) by changing food waste slurry pumping to slurry heater (1), through slurry heater (1), slurry is heated to 70 to 100 ℃;
3) slurry after heating separates grease through first-stage centrifugal machine (7) or two-stage centrifugal machine (7) with other material; And
4) by isolated grease for the production of biodiesel, other material pumping of non-grease is carried out to digestion process to anaerobic fermentation system, for the production of biogas; Or other material pumping of non-grease is arrived to other subsequent treatment system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410040385.4A CN103785671A (en) | 2014-01-27 | 2014-01-27 | Oil recovery system and method used for kitchen waste treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410040385.4A CN103785671A (en) | 2014-01-27 | 2014-01-27 | Oil recovery system and method used for kitchen waste treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108822968A (en) * | 2018-05-28 | 2018-11-16 | 长沙中联重科环境产业有限公司 | Boiling proposes oily smart feeding system and its control method |
| CN113549480A (en) * | 2021-07-02 | 2021-10-26 | 浙江飞普达环保科技有限公司 | Intelligent production line system for preparing biofuel from solid kitchen waste residues |
| CN114873836A (en) * | 2022-03-14 | 2022-08-09 | 河南沃克曼建设工程有限公司 | Kitchen slurry oil extraction system and processing method |
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| CN102784795A (en) * | 2012-08-30 | 2012-11-21 | 北京世纪国瑞环境工程技术有限公司 | Kitchen waste resourceful utilization method |
| CN102921706A (en) * | 2012-11-14 | 2013-02-13 | 北京机电院高技术股份有限公司 | Heating method of integrated municipal refuse by anaerobic treatment |
| CN203803896U (en) * | 2014-01-27 | 2014-09-03 | 普拉克环保系统（北京）有限公司 | Oil recovery system in kitchen waste treatment process |
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- 2014-01-27 CN CN201410040385.4A patent/CN103785671A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1177006A (en) * | 1997-09-02 | 1999-03-23 | Ebara Corp | Treatment of organic waste |
| CN2426756Y (en) * | 2000-06-06 | 2001-04-18 | 中国科学院山西煤炭化学研究所 | Evaporator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108822968A (en) * | 2018-05-28 | 2018-11-16 | 长沙中联重科环境产业有限公司 | Boiling proposes oily smart feeding system and its control method |
| CN108822968B (en) * | 2018-05-28 | 2021-12-24 | 长沙中联重科环境产业有限公司 | Intelligent feeding system for cooking oil extraction and control method thereof |
| CN113549480A (en) * | 2021-07-02 | 2021-10-26 | 浙江飞普达环保科技有限公司 | Intelligent production line system for preparing biofuel from solid kitchen waste residues |
| CN114873836A (en) * | 2022-03-14 | 2022-08-09 | 河南沃克曼建设工程有限公司 | Kitchen slurry oil extraction system and processing method |
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