CN103043747B - Oil-water separator - Google Patents

Oil-water separator Download PDF

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Publication number
CN103043747B
CN103043747B CN201310010162.9A CN201310010162A CN103043747B CN 103043747 B CN103043747 B CN 103043747B CN 201310010162 A CN201310010162 A CN 201310010162A CN 103043747 B CN103043747 B CN 103043747B
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oil
water
weir
area
zone
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CN201310010162.9A
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Chinese (zh)
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CN103043747A (en
Inventor
李丽梅
彭国辉
李佩勇
薛宏江
刘凯
伏会方
铁大滨
孙勇
王春娟
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China Tianchen Engineering Corp
Tianjin Tianchen Green Energy Resources Engineering Technology and Development Co Ltd
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China Tianchen Engineering Corp
Tianjin Tianchen Green Energy Resources Engineering Technology and Development Co Ltd
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Abstract

The invention provides an oil-water separator, wherein a body adopts a horizontal tank body structure, and the body comprises a water inlet area, a separation area, an oil collection area and a water outlet area; a water inlet distribution tube is arranged in the water inlet area; the water inlet area is isolated form the separation area via a baffle and an overflow weir; a nitrogen stirring tube is arranged in the separation area; the separation area is isolated from the oil collection area via an oil outlet weir; and the oil collection area is isolated from the water outlet area via an oil baffle and a water outlet weir. Oily sewage flows in the water inlet area via the water inlet distribution tube, and flows in the separation area via the baffle and the overflow weir; oil drops float and gather to form a light oil layer with a certain thickness in the separation area, and light oil is collected via the oil collection area; and a water phase enters in the water outlet area through the top of the water outlet weir and via the oil baffle, and finally, separation for water and the light oil is realized. The oil-water separator provided by the invention has the beneficial effects of being high in separation efficiency, convenient to maintain, and the like.

Description

A kind of water-and-oil separator
Technical field
The invention belongs to field of petrochemical industrial, especially relate to a kind of Horizontal oil-water separator.
Background technology
Oil-containing water in oil, production process of natural gas is from links such as oil, Natural gas extraction, processing, refinement, storage and transportations, oil-containing water water-quality constituents is complicated, existing crude oil, has again chemical agent and some microorganisms of in various impurity and the subsequent production course of processing, adding.
The physical condition that in general oil-containing water, oil exists is broadly divided into five kinds: oil slick, dispersed oil, oil in water emulsion, dissolving oil and solid attaching oil, and conventionally mainly with above-mentioned several physical conditions and deposit.And the physical treatment process conventionally adopting mainly comprises gravity method, centrifuging, By Bubble-floating Method, filtration method and membrane separation process etc.
Gravity Type Oil water separator is one of processing unit important in oilfield surface engineering.Most of separating device is in the past due to the error in the limitation in design and construction, not only there is serious short-circuit flow, make most of space of equipment fail to utilize fully, and also there is air-teturning mixed phenomenon in some equipment, cause the liquid stream of considerable part just to discharge tank body without abundant processing, make it to be difficult to there is good separating effect.
Summary of the invention
The problem to be solved in the present invention is to provide the good Horizontal oil-water separator of a kind of separating effect, can the separated oily(waste)water of maximum efficiency in light oil.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of water-and-oil separator, and body adopts horizontal tank body structure, and described body comprises inhalant region, disengaging zone, oil collecting zone and exhalant region; In described inhalant region, be provided with into water distribution piping; Described inhalant region and disengaging zone isolate by baffle plate and overflow weir; Described disengaging zone is provided with nitrogen gas stirring pipe; Described disengaging zone and described oil collecting zone isolate by fuel-displaced weir; Separate by oil weir and effluent weir described oil collecting zone and exhalant region.Oily(waste)water flows into inhalant region by the distribution piping of intaking, by baffle plate and overflow weir, flow into disengaging zone, oil droplet is assembled and is formed certain thickness light oil layer in disengaging zone floating, by oil collecting zone, collect light oil, water passes through oil weir, through effluent weir jacking, enter exhalant region, finally realize water and light oil separating.
Further, the end of described water inlet distribution piping is provided with the first transverse tube.
Further, the bottom even at described the first transverse tube arranges dispensing orifice.The liquid splashing while preventing feed liquor is smashed the oil droplet floating in disengaging zone and separation is impacted.
Further, the baffle plate of described inhalant region bottom indention.
Further, the top indention of the overflow weir of described inhalant region.
Further, the end of described nitrogen gas stirring pipe is provided with the second transverse tube.
Further, in the bottom of described the second transverse tube, distribution hole is set.This structure is well dispersed on tank cross section nitrogen.
Further, described fuel-displaced weir and described oil weir form described oil collecting zone.
Further, described fuel-displaced weir is L-type.For preventing that lower floor's current are brought into exhalant region the light oil in sepn process just or even the oil droplet that emerged, oil weir and effluent weir are set, keep the operating depth of the disengaging zone of separator.
Further, described horizontal tank body is provided with displacement nitrogen inlet, balance gas port, manhole, inhalant region rinse mouth, edible vegetable oil outlet, drain, disengaging zone rinse mouth, oil collecting zone rinse mouth, exhalant region rinse mouth, water out degreases.
Advantage and positively effect that the present invention has are: owing to adopting technique scheme, the body of water-and-oil separator adopts horizontal tank body structure, and described body comprises inhalant region, disengaging zone, oil collecting zone and exhalant region; In described inhalant region, be provided with into water distribution piping, baffle plate and overflow weir; Described disengaging zone is provided with nitrogen gas stirring pipe; Described oil collecting zone is provided with fuel-displaced weir and oil weir; Described exhalant region is provided with effluent weir.Oily(waste)water flows into inhalant region by the distribution piping of intaking, by baffle plate and overflow weir, flow into disengaging zone, oil droplet is assembled and is formed certain thickness light oil layer in disengaging zone floating, by oil collecting zone, collect light oil, water passes through oil weir, through effluent weir jacking, enter exhalant region, finally realize water and light oil separating.There is separation efficiency high, the advantage such as easy to maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is tank body schematic diagram of the present invention;
Fig. 3 be in Fig. 1 A-A to sectional view;
Fig. 4 be in Fig. 1 I-I to sectional view;
Fig. 5 be in Fig. 1 B-B to sectional view;
Fig. 6 be in Fig. 1 C to view;
Fig. 7 be in Fig. 4 D to view;
Fig. 8 be in Fig. 1 E to view;
Fig. 9 be in Fig. 1 F to view;
Figure 10 be in Fig. 1 G to view;
Figure 11 be in Fig. 1 H to view.
In figure:
1, oily(waste)water import 2, displacement nitrogen inlet 3, balance gas port
4, stir nitrogen inlet 5, inhalant region rinse mouth 6, edible vegetable oil outlet
7, drain 8, disengaging zone rinse mouth 9, oil collecting zone rinse mouth
10, exhalant region rinse mouth 11, water out 12, the second manhole degrease
13, the first manhole 14, inhalant region 15, disengaging zone
16, oil collecting zone 17, exhalant region 18, water inlet distribution piping
19, baffle plate 20, overflow weir 21, nitrogen gas stirring pipe
22, oil weir 23, fuel-displaced weir 24, effluent weir
Embodiment
As shown in Fig. 1 to 11, the invention provides a kind of water-and-oil separator, body adopts horizontal tank body structure, and described body comprises inhalant region 14, disengaging zone 15,16He exhalant region, oil collecting zone 17; In described inhalant region 14, be provided with into water distribution piping 18; 14Yu disengaging zone, inhalant region 15 is by baffle plate 19 and overflow weir 20 isolation; Described disengaging zone 15 is provided with nitrogen gas stirring pipe 21; Described disengaging zone 15 and described oil-collecting are by 23 isolation of fuel-displaced weir; Between 16He exhalant region, oil collecting zone 17, by oil weir 22 and effluent weir 24, separate.Oily(waste)water flows into inhalant region 14 by the distribution piping 18 of intaking, by baffle plate 19 and overflow weir 20, flow into disengaging zone 15, in disengaging zone, 15 floating gatherings form certain thickness light oil layer to oil droplet, by oil collecting zone 16, collect light oil, water is by oil weir 22, through effluent weir 24 jackings, enter exhalant region 17, finally realize water and light oil separating.The end of described water inlet distribution piping 18 is provided with the first transverse tube.Bottom even at described the first transverse tube arranges dispensing orifice.The liquid splashing while preventing feed liquor is smashed the oil droplet floating in disengaging zone and separation is impacted.The baffle plate 19 bottom indentions of described inhalant region 14.The top indention of the overflow weir 20 of described inhalant region 14.The end of described nitrogen gas stirring pipe 21 is provided with the second transverse tube.Bottom at described the second transverse tube arranges distribution hole.This structure is well dispersed on tank cross section nitrogen.Described fuel-displaced weir 23 forms described oil collecting zone with described oil weir 22.Described fuel-displaced weir 23 is L-type.For preventing that lower floor's current are brought into exhalant region the light oil in sepn process just or even the oil droplet that emerged, oil weir 22 and effluent weir 24 are set, keep the operating depth of the disengaging zone of separator.Described horizontal tank body is provided with oily(waste)water import 1, displacement nitrogen inlet 2, balance gas port 3, manhole, stirring nitrogen inlet 4, inhalant region rinse mouth 5, edible vegetable oil outlet 6, drain 7, disengaging zone rinse mouth 8, oil collecting zone rinse mouth 9, exhalant region rinse mouth 10, water out 11 degreases; Described oily(waste)water import 1 is the mouth of pipe into water distribution piping 18; Described stirring nitrogen inlet 4 is mouths of pipe of nitrogen gas stirring pipe 21.Described manhole comprises the second manhole 12 of being located at respectively the first manhole 13 on horizontal tank skin and being located at horizontal tank end of body.
The working process of this example: in Fig. 1, separator is first filled with nitrogen through displacement nitrogen inlet 2 air is replaced, and is discharged by drain 7.Oily(waste)water is injected by oily(waste)water import 1, for liquid stream is farthest evenly distributed on whole horizontal tank body width when flowing through overflow weir 20, water inlet distribution piping 18 ends arrange one section of first transverse tube (Fig. 3), and in pipe bottom, have a uniform dispensing orifice (Fig. 6), simultaneously respectively in baffle plate 19 bottoms (Fig. 8) and overflow weir 20(Fig. 9) top adopts zigzag structure.Baffle plate 19 and water inlet distribution piping 18(Fig. 8 are set) object be that the liquid splashing while preventing feed liquor is smashed the oil droplet of floating in disengaging zone 15 and impacts separated.For optimizing oil-water separation, in disengaging zone, 15 arrange nitrogen gas stirring pipe 21, and the second transverse tube (Fig. 4) that distribution hole is opened in one section of bottom is set endways, and nitrogen is well dispersed on tank cross section.The 15 fully separated oily(waste)waters through disengaging zone, light oil layer by 23 overflows of fuel-displaced weir to oil collecting zone 16, by light oil outlet 6 discharges.For preventing that lower floor's current are brought into exhalant region 17 the light oil in sepn process just or even the oil droplet that emerged, arrange oil weir 22(Figure 10) and effluent weir 24(Figure 11), keep the operating depth of horizontal tank body disengaging zone 15.Sewage after separated light oil is outside water out 11 drain tanks that degrease.Inhalant region 14, disengaging zone 15, oil collecting zone 16, putting only of exhalant region 17 complete by inhalant region rinse mouth 5, disengaging zone rinse mouth 8, oil collecting zone rinse mouth 9, exhalant region rinse mouth 10 respectively.
Above one embodiment of the present of invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the present patent application scope and improvement etc., within all should still belonging to patent covering scope of the present invention.

Claims (6)

1. a water-and-oil separator, is characterized in that: body adopts horizontal tank body structure, and described body comprises inhalant region, disengaging zone, oil collecting zone and exhalant region; In described inhalant region, be provided with into water distribution piping; Described inhalant region and disengaging zone isolate by baffle plate and overflow weir; The arc top of this baffle plate is connected in the first half of tank body body, and the top center position of baffle plate is provided with semi-circular through hole; The curved bottom of this overflow weir is connected in the Lower Half of tank body body, and the bottom centre position of overflow weir is provided with semi-circular through hole; Described disengaging zone is provided with nitrogen gas stirring pipe; Described disengaging zone and described oil collecting zone isolate by fuel-displaced weir; Separate by oil weir and effluent weir described oil collecting zone and exhalant region; The arc top of this oil weir is connected in the first half of tank body body; The curved bottom of this effluent weir connects the Lower Half of tank body body, and the bottom centre position of effluent weir is provided with semi-circular through hole; The end of described water inlet distribution piping is provided with the first transverse tube; Bottom even at described the first transverse tube arranges dispensing orifice; Described fuel-displaced weir and described oil weir form described oil collecting zone; Described fuel-displaced weir is L-type.
2. water-and-oil separator according to claim 1, is characterized in that: the baffle plate bottom indention of described inhalant region.
3. water-and-oil separator according to claim 1 and 2, is characterized in that: the top indention of the overflow weir of described inhalant region.
4. water-and-oil separator according to claim 3, is characterized in that: the end of described nitrogen gas stirring pipe is provided with the second transverse tube.
5. water-and-oil separator according to claim 4, is characterized in that: the bottom at described the second transverse tube arranges distribution hole.
6. water-and-oil separator according to claim 1, is characterized in that: described horizontal tank body is provided with displacement nitrogen inlet, balance gas port, manhole, inhalant region rinse mouth, edible vegetable oil outlet, drain, disengaging zone rinse mouth, oil collecting zone rinse mouth, exhalant region rinse mouth, water out degreases; Oily(waste)water import is the mouth of pipe into water distribution piping; Stirring nitrogen inlet is the mouth of pipe of nitrogen gas stirring pipe.
CN201310010162.9A 2013-01-09 2013-01-09 Oil-water separator Active CN103043747B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103754984B (en) * 2013-12-25 2015-05-06 天津生态城环保有限公司 Kitchen waste oil-water separation device
CN103754985B (en) * 2014-01-22 2015-02-18 中机国际工程设计研究院有限责任公司 Kitchen wastewater oil-water separation device
CN105984918B (en) * 2015-02-11 2021-01-01 中国石油化工股份有限公司 A field test device for binary produced fluid degreaser that drives
CN104958998A (en) * 2015-07-03 2015-10-07 中国华能集团清洁能源技术研究院有限公司 CO2 capture system through pregnant solution self-driven extraction phase splitting and tear regeneration

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672127A (en) * 1970-05-26 1972-06-27 Petrolite Corp Phase separator for immiscible fluids
CN2504256Y (en) * 2001-03-04 2002-08-07 北京华油惠博普科技有限公司 Combined degreaser
CN2522142Y (en) * 2001-12-24 2002-11-27 刘景聪 Float-removing filtering type oil-removing machine
CN201817348U (en) * 2010-07-15 2011-05-04 宋刚 Inclined tube type hexagonal multi-tube integrated oil-water separator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672127A (en) * 1970-05-26 1972-06-27 Petrolite Corp Phase separator for immiscible fluids
CN2504256Y (en) * 2001-03-04 2002-08-07 北京华油惠博普科技有限公司 Combined degreaser
CN2522142Y (en) * 2001-12-24 2002-11-27 刘景聪 Float-removing filtering type oil-removing machine
CN201817348U (en) * 2010-07-15 2011-05-04 宋刚 Inclined tube type hexagonal multi-tube integrated oil-water separator

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