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WO2010064401A1 - Dispositif de séparation huile/eau - Google Patents

Dispositif de séparation huile/eau Download PDF

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Publication number
WO2010064401A1
WO2010064401A1 PCT/JP2009/006490 JP2009006490W WO2010064401A1 WO 2010064401 A1 WO2010064401 A1 WO 2010064401A1 JP 2009006490 W JP2009006490 W JP 2009006490W WO 2010064401 A1 WO2010064401 A1 WO 2010064401A1
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WO
WIPO (PCT)
Prior art keywords
oil
water
waste liquid
chamber
water separation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2009/006490
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English (en)
Japanese (ja)
Inventor
村田光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of WO2010064401A1 publication Critical patent/WO2010064401A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material

Definitions

  • the present invention relates to an oil / water separator.
  • Patent Document 1 Conventionally, many oil-water separators that float and separate oil components using the specific gravity difference between oil and water are used to treat oil-mixed water. As this type of apparatus, the following Patent Document 1 to Patent Document 3 are shown.
  • the oil / water separation device described in Patent Document 1 includes a plurality of partitioning portions that block fluid in a water tank, a plurality of storage portions that store separated light fluid (oil) with a specific gravity through a collection port, and separation promotion. It is an apparatus configured to reliably and efficiently separate and recover oil components.
  • this device since a plurality of partition portions and oil storage portions are arranged in series with respect to the flow path in the water tank, the height adjustment of the partition plate is complicated and the device is enlarged. . Furthermore, depending on the adjustment position of the partition plate, water may be mixed into the recovered oil, which may increase the recovery amount.
  • the oil-water separator described in Patent Document 3 supplies oil dispersed in the form of particles in the liquid to be treated toward the wall surface, and adheres or stays to agglomerate, thereby coarsening and separating the oil particles.
  • this apparatus it is necessary to supply the liquid to be processed into the liquid processing apparatus vigorously and at a high flow rate. Therefore, the inside of the liquid processing tank is agitated, and there is a possibility that the once separated processing target liquid and the recovery target liquid are mixed again.
  • the liquid to be collected is returned to the liquid separation device through the collection flow path and is circulated, it is necessary to wait for the oil to be separated and recovered before draining. Cannot be separated and recovered efficiently.
  • the present invention relates to an oil-water separation apparatus having an oil-water separation tank that separates and recovers oil in oil-mixed waste liquid using a specific gravity difference between oil and an oil-mixed waste liquid other than oil.
  • the oil / water separation tank is divided into two parts, the front and the rear, in the direction of the flow of the oil mixed waste liquid by the fixed water supply device, and the first stage is an oil / water separation chamber that separates the oil and oil mixed waste liquid up and down.
  • the oil / water separation chamber is provided with an oil / water separation chamber ceiling that closes the upper surface of the oil / water separation chamber, and the latter stage is further divided into two in the horizontal direction in the direction of flow, one of which is a floating oil recovery chamber into which the floating oil flows in.
  • the oil recovery port leading to the outside of the separator is provided at a position higher than the ceiling of the oil / water separation chamber, and the waste liquid drain port leading to the outside of the oil / water separator is provided at a position higher than the ceiling of the oil / water separation chamber and lower than the oil recovery port. It is a configuration.
  • Such an oil-water separator can separate and collect oil and drain at the same time only by operating the fixed-quantity water feeder. Therefore, the oil / water separator can be made compact and maintenance can be saved. In addition, there is no step between the upper part of the oil / water separation chamber and the floating oil recovery chamber, and the floating oil can easily enter. For this reason, the amount of oil to be recovered is increased, the separation performance can be improved, and drainage can be performed with a low oil concentration, so that the load on the wastewater treatment tank can be reduced. In addition, waste liquid is not mixed in the recovered oil, and the amount of waste can be reduced, so that waste disposal costs can be reduced.
  • FIG. 1 is a schematic diagram showing the configuration of an oil-water separator according to an embodiment of the present invention.
  • FIG. 2A is a perspective view of the oil-water separator from the front.
  • FIG. 2B is a perspective view of the oil-water separator from the side.
  • FIG. 2C is a plan view of the oil-water separator.
  • FIG. 3 is a detailed cross-sectional view taken along the line AA in FIG. 2C.
  • FIG. 4 is a partial bottom view of the oil / water separation tank of the oil / water separator according to the embodiment of the present invention.
  • FIG. 5 is a longitudinal sectional view of an oil / water separation tank of the oil / water separator.
  • FIG. 6 is a perspective view showing a floating oil recovery guide provided on the ceiling of the oil / water separation chamber of the oil / water separation tank of the oil / water separator.
  • FIG. 7 is a perspective view of the oil-water separator.
  • FIG. 1 is a schematic diagram showing a configuration of an oil-water separator according to an embodiment of the present invention.
  • the oil / water separator according to the embodiment of the present invention includes an oil mixed waste liquid storage tank 1, an oil / water separator tank 3, and a water supply pipe 21.
  • the oil mixed waste liquid storage tank 1 temporarily stores the oil mixed waste liquid to be separated.
  • the oil / water separation tank 3 separates oil mixed waste liquid (hereinafter referred to as waste liquid) into oil and water. That is, the oil / water separation tank 3 separates and recovers the oil in the waste liquid by utilizing the specific gravity difference between the oil and the waste liquid other than oil.
  • the water supply pipe 21 communicates the oil mixed waste liquid storage tank 1 and the oil / water separation tank 3.
  • the water supply pipe 21 is provided with a quantitative water supply device 2 for sending the waste liquid to the oil / water separation tank 3.
  • An oil-mixed waste liquid discharge port 11 is provided at the bottom of the bottom or side surface of the oil-mixed waste liquid storage tank 1, and is connected to the quantitative water supply device 2 of the water supply pipe 21.
  • the water supply pipe 21 uses a diameter of 10 mm or more in consideration of the viscosity and clogging of the mixed liquid.
  • the capacity of the oil / water separation tank 3 is about 1/8 of the capacity of the oil / mixture waste liquid storage tank 1 into which the entire amount of the target mixed liquid is poured. Further, the quantitative water supply device 2 can be set to a flow rate for sending the total amount of waste liquid to be poured into the oil-mixed waste liquid storage tank 1 over 2 to 24 hours.
  • FIG. 2A is a perspective view of the oil / water separator according to the embodiment of the present invention
  • FIG. 2B is a perspective view of the oil / water separator from the side
  • FIG. 2C is a plan view of the oil / water separator
  • FIG. 3 is FIG. FIG.
  • the interior of the oil / water separation tank 3 is divided into two parts, a front stage and a rear stage, in the direction of the flow of waste liquid by the quantitative water supply device 2.
  • the front stage is an oil / water separation chamber 4 for separating oil and waste liquid vertically.
  • the latter stage is further divided into two in the horizontal direction in the direction of flow, the floating oil recovery chamber 5 into which the oil floating on one side flows, and the waste liquid drain chamber 6 into which the waste liquid left after separating the oil floating on the other side flows. .
  • the oil / water separation chamber 4 is closed by an oil / water separation chamber ceiling 42 that closes the upper surface of the oil / water separation chamber 4.
  • a floating oil recovery chamber inlet 51 which is an inlet to the floating oil recovery chamber 5, is provided at the same height as the oil / water separation chamber ceiling 42.
  • a waste liquid drainage chamber inlet 61 which is an inlet of the waste liquid drainage chamber 6 is provided in the lower part of the oil / water separation chamber 4. Furthermore, an oil recovery port 52 that leads to the outside of the oil / water separator is provided in the floating oil recovery chamber 5 at a position higher than the ceiling 42 of the oil / water separator. In the waste liquid drain chamber 6, a waste liquid drain port 62 that similarly leads to the outside of the oil / water separator is provided at a position higher than the oil / water separator chamber ceiling 42 and lower than the oil recovery port 52.
  • Waste liquid is a mixture of oil and water generated at factories, substations, or gas stations.
  • Waste liquid is a mixture of oil and water generated at factories, substations, or gas stations.
  • moisture content if it is a mixed liquid with a specific gravity difference, there exists the same effect.
  • the waste liquid is temporarily stored in the oil mixed waste liquid storage tank 1 on the upstream side of the flow by the quantitative water supply device 2, and is supplied from the oil mixed waste liquid discharge port 11 to the cleaning waste liquid injection port 41 of the oil / water separation tank 3 via the quantitative water supply device 2. It is sent through the pipe 21.
  • the cleaning waste liquid injection port 41 is a waste liquid injection port.
  • the oil / water separation chamber 4 as the oil flows downstream, the oil component having a small specific gravity is separated as floating oil on the upper side, and the water having a large specific gravity is separated on the lower side as waste liquid.
  • the floating oil separated on the upper side stays in the vicinity of the oil / water separation chamber ceiling 42 and flows into the floating oil recovery chamber 5 from the floating oil recovery chamber inlet 51 provided at substantially the same height as the oil / water separation chamber ceiling 42.
  • the waste liquid containing a large amount of water separated on the lower side flows into the waste liquid drainage chamber 6 from the waste liquid drainage chamber inlet 61.
  • the floating oil and the waste liquid separated in the oil / water separation chamber 4 individually raise the water level (liquid level) of the floating oil recovery chamber 5 and the waste liquid drainage chamber 6 according to the amount of each inflow.
  • the floating oil and the waste liquid exceed the height of the oil recovery port 52 or the waste liquid drain port 62, they fall to the oil discharge pipe 53 and the waste liquid discharge pipe 63 to recover the oil or drain the waste liquid.
  • the oil and water separated by utilizing the difference in specific gravity are separated into the floating oil recovery chamber 5 and the waste liquid drainage chamber 6.
  • the water surface is blocked by the oil / water separation chamber ceiling 42, but the liquid surface is released after the separation.
  • the floating oil recovery chamber 5 the floating oil flows in from the floating oil recovery chamber inlet 51 provided on the lower side, and only the floating portion is discharged from the oil recovery port 52, so that the recovered oil has a high ratio of oil. .
  • the oil-water separator of the embodiment of the present invention is provided with an oil mixed waste liquid storage tank 1 for storing waste liquid on the upstream side of the flow by the quantitative water supply device 2, and at the bottom of the oil mixed waste liquid storage tank 1 or the lower part of the side surface, An oil mixed waste liquid discharge port 11 to the fixed amount water feeding device 2 is provided.
  • the separation efficiency in the oil-water separation tank 3 is increased. be able to.
  • the floating oil recovery chamber 5 and the waste liquid drain chamber 6 are provided one after the oil / water separation chamber 4. Further, a plurality of floating oil recovery chambers 5 and waste liquid drain chambers 6 are continuously provided in the subsequent stage of the oil / water separation chamber 4, and oil recovery and waste liquid drainage are performed from the most recent floating oil recovery chamber 5 and waste liquid drain chamber 6. , Separation performance is enhanced.
  • the oil recovery port 52 is provided at the center of the horizontal section of the floating oil recovery chamber 5 and opens upward, and the liquid level of the floating oil is the height of the opening of the oil recovery port 52.
  • the oil recovery port 52 arrange
  • the cleaning waste liquid injection port 41 of the oil / water separation chamber 4 is provided at the bottom of the side surface of the oil / water separation chamber 4 facing the floating oil recovery chamber inlet 51 or the bottom surface near the side surface.
  • FIG. 4 is a partial bottom view of the oil / water separation tank of the oil / water separator according to the embodiment of the present invention.
  • the horizontal sectional shape of the waste liquid drain port 62 provided in the waste liquid drain chamber 6 is substantially similar to the horizontal sectional shape of the waste liquid drain chamber 6. For this reason, the distance between the waste liquid drain chamber wall surface 64 and the waste liquid drain port 62 can be made constant, and the floating oil adhering to the waste liquid drain chamber wall surface 64 can be hardly drained.
  • FIG. 5 is a longitudinal sectional view of the oil / water separation tank of the oil / water separation device according to the embodiment of the present invention.
  • the oil / water separation chamber ceiling 42 is shaped so as to rise upward as it approaches the floating oil recovery chamber 5. Therefore, the floating oil accumulated in the upper part of the oil / water separation chamber 4 is easy to enter the floating oil collection chamber 5 through the oil / water separation chamber ceiling 42, so that the amount of oil to be collected is increased and the separation performance is improved.
  • oil / water separation chamber ceiling 42 is separated from the oil / water separation chamber 4 and has a removable lid structure, maintenance of the inside of the oil / water separation chamber 4 such as cleaning and inspection is enhanced. Further, a separation promoting device 43 such as an inclined plate may be installed inside the oil / water separation chamber 4.
  • FIG. 6 is a perspective view showing a floating oil recovery guide provided on the ceiling of the oil / water separation chamber of the oil / water separation tank of the oil / water separator according to the embodiment of the present invention.
  • a floating oil recovery guide 42 b that guides the floating oil to a floating oil recovery chamber inlet 51 that is an inlet of the floating oil recovery chamber 5 is provided on the oil / water separation chamber ceiling 42.
  • the floating oil recovery guide 42 b has a shape in which the portion of the oil remaining in the oil / water separation chamber ceiling 42 gradually narrows toward the floating oil recovery chamber inlet 51. Due to the floating oil recovery guide 42b, the floating oil accumulated in the upper part of the oil / water separation chamber 4 is more likely to flow into the floating oil recovery chamber 5, and the amount of oil to be recovered increases and the separation performance increases.
  • FIG. 7 is a perspective view of the oil-water separator according to the embodiment of the present invention.
  • FIG. 7 shows an apparatus for sending air to the oil / water separation tank 3 from the water supply pipe 21 connected between the quantitative water supply device 2 and the oil / water separation tank 3.
  • An air supply device 7 for supplying air to the oil / water separation tank 3 is provided at the tip of the water supply pipe 21. Then, after the waste liquid is completely fed from the oil mixed waste liquid storage tank 1 to the oil / water separation tank 3, air is sent to the oil / water separation tank 3 by the air feeding device 7.
  • the oil / water separator controls the injection of the wash water into the oil mixed waste liquid storage tank 1 after the waste liquid has been sent from the oil mixed waste liquid storage tank 1 to the oil / water separation tank 3.
  • a device 70 is provided.
  • the oil in the waste liquid remaining in the bottom of the oil-mixed waste liquid storage tank 1 and the water supply pipe 21 can be removed, and the separation performance can be improved. Moreover, if residual oil can be removed, the cause of anaerobic bacteria breeding and generating malodor can be removed.
  • the washing water may be injected several times.
  • the removal amount of oil in the waste liquid remaining in the bottom of the oil-mixed waste liquid storage tank 1 and the water supply pipe 21 can be further increased, and the separation performance can be improved.
  • the oil / water separation device of the present invention can be used to treat oil-mixed water generated in factories, substations, gas stations, and the like. That is, the oil / water separator according to the present invention is used as a measure for purifying oil to meet the drainage standard value of the Water Pollution Control Law when discharging wastewater from a water collection tank or the like.
  • the oil / water separator of the present invention can be used when processing coolant such as metal cutting and polishing in a factory or the like. Furthermore, the oil-water separator of the present invention separates and recovers oil as a pretreatment for sending oil mixed cleaning wastewater having a relatively high oil concentration generated when cleaning oil adhering to equipment or workpieces to a wastewater treatment tank, It can be used as a measure to reduce the load on the wastewater treatment tank.
  • the oil / water separator of the present invention is an oil component generated when the inside of the electrostatic precipitator to which oil has adhered is washed with a cleaning liquid in an electrostatic precipitator that removes mist-like oil floating in a machine factory, a foundry, or the like. It can also be used to separate oil in mixed washing waste liquid.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Removal Of Floating Material (AREA)
  • Physical Water Treatments (AREA)

Abstract

L’invention concerne un dispositif de séparation huile/eau configuré de telle sorte que le dispositif est pourvu d'un système permettant d’envoyer un volume fixe d’eau, l’intérieur du réservoir de séparation huile/eau bifurque en un étage avant et un étage arrière, l’étage avant fait office de chambre de séparation huile/eau pour séparer l’huile et un déchet liquide, que l’on mélange avec un composant d’huile, du haut vers le bas, la chambre de séparation huile/eau est pourvue d'un plafond, un côté de l’étage arrière fait office de chambre de collecte d’huile flottante et l'autre côté de l’étage arrière fait office de chambre de refoulement de déchet liquide, l'entrée de la chambre de collecte d’huile flottante est disposée à la même hauteur que le plafond de la chambre de séparation huile/eau, l'entrée de la chambre de refoulement de déchet liquide est disposée à la partie inférieure de la chambre de séparation huile/eau, une ouverture de collecte d’huile connectée à l'extérieur du dispositif de séparation huile/eau est disposée dans la chambre de collecte d’huile flottante en une position supérieure à celle du plafond de la chambre de séparation huile/eau, et une ouverture de refoulement de déchet liquide connectée à l'extérieur du dispositif de séparation huile/eau est disposée dans la chambre de refoulement de déchet liquide en une position supérieure à celle du plafond de la chambre de séparation huile/eau et plus basse que la position de l’ouverture de collecte d’huile.
PCT/JP2009/006490 2008-12-04 2009-12-01 Dispositif de séparation huile/eau Ceased WO2010064401A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008309400A JP2010131516A (ja) 2008-12-04 2008-12-04 油水分離装置
JP2008-309400 2008-12-04

Publications (1)

Publication Number Publication Date
WO2010064401A1 true WO2010064401A1 (fr) 2010-06-10

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WO (1) WO2010064401A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102874893A (zh) * 2011-07-13 2013-01-16 沈阳金利洁科技有限公司 自动强排式油水分离装置
CN103657248A (zh) * 2013-12-20 2014-03-26 西安洁姆环保科技有限责任公司 一种油水分离器
CN108585322A (zh) * 2018-06-15 2018-09-28 宜兴市旭灿自动化设备有限公司 乳化液废水预处理箱
CN109516584A (zh) * 2018-12-20 2019-03-26 惠阳佑鑫金属制品有限公司 负压式油水分离机

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CN103127739A (zh) * 2011-12-02 2013-06-05 洛阳骏腾能源科技有限公司 废旧工业固态有机物造粒机排气系统用的斜体式气液两级分离器及分离方法
CN103011338A (zh) * 2012-11-29 2013-04-03 天津市亿博制钢有限公司 一种废冷轧液浮油分离的方法
CN104667581B (zh) * 2015-02-05 2016-04-13 戴江河 油水分离器
CN105174367A (zh) * 2015-08-18 2015-12-23 安徽星元环保科技有限公司 一种搅拌式油水分离的隔油池
CN105836845A (zh) * 2016-06-16 2016-08-10 安庆市宇控电子科技有限公司 一种油水分离装置
CN105883970A (zh) * 2016-06-16 2016-08-24 安庆市宇控电子科技有限公司 一种油水处理装置
CN106039832A (zh) * 2016-07-20 2016-10-26 洛阳信成精密机械有限公司 一种新型全自动油水分离器
CN106334345B (zh) * 2016-08-26 2018-03-09 广西柳州银海铝业股份有限公司 热轧机乳化液净化回收装置
CN108619758A (zh) * 2017-03-17 2018-10-09 昆山智无限机器人科技有限公司 一种自动悬浮进液口集油器
CN109589648A (zh) * 2017-09-30 2019-04-09 宝山钢铁股份有限公司 一种轧机乳化液系统用表面浮油处理装置
CN110240343B (zh) * 2019-07-16 2024-03-01 义乌工商职业技术学院 一种数字印刷机废水净化处理装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111060A (en) * 1976-03-15 1977-09-17 Mitsuji Nagakura Oil and water separating method
JPS631603U (fr) * 1986-06-18 1988-01-07
JPS6456804U (fr) * 1987-10-05 1989-04-10
JP3032043U (ja) * 1996-06-04 1996-12-13 日本エコシステム株式会社 油水分離装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111060A (en) * 1976-03-15 1977-09-17 Mitsuji Nagakura Oil and water separating method
JPS631603U (fr) * 1986-06-18 1988-01-07
JPS6456804U (fr) * 1987-10-05 1989-04-10
JP3032043U (ja) * 1996-06-04 1996-12-13 日本エコシステム株式会社 油水分離装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102874893A (zh) * 2011-07-13 2013-01-16 沈阳金利洁科技有限公司 自动强排式油水分离装置
CN103657248A (zh) * 2013-12-20 2014-03-26 西安洁姆环保科技有限责任公司 一种油水分离器
CN103657248B (zh) * 2013-12-20 2015-09-23 西安洁姆环保科技有限责任公司 一种油水分离器
CN108585322A (zh) * 2018-06-15 2018-09-28 宜兴市旭灿自动化设备有限公司 乳化液废水预处理箱
CN109516584A (zh) * 2018-12-20 2019-03-26 惠阳佑鑫金属制品有限公司 负压式油水分离机

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