CN208250011U - Drain pretreatment unit is returned in a kind of acidification - Google Patents

Drain pretreatment unit is returned in a kind of acidification Download PDF

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Publication number
CN208250011U
CN208250011U CN201820454453.5U CN201820454453U CN208250011U CN 208250011 U CN208250011 U CN 208250011U CN 201820454453 U CN201820454453 U CN 201820454453U CN 208250011 U CN208250011 U CN 208250011U
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CN
China
Prior art keywords
plate separator
gravity settling
microbubble
settling basin
air bearing
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Active
Application number
CN201820454453.5U
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Chinese (zh)
Inventor
刘罡
任重
曾卫波
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CHUANGLIAN TECHNOLOGY Co Ltd
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CHUANGLIAN TECHNOLOGY Co Ltd
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Priority to CN201820454453.5U priority Critical patent/CN208250011U/en
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Abstract

The utility model discloses a kind of acidifications to return drain pretreatment unit, including microbubble gravity settling basin, dissolved air water generating system, air bearing inclined plate separator, scum pipe, dissolved air water distributor pipe and drainpipe, the microbubble gravity settling basin is connect with inlet tube, the microbubble gravity settling basin is connect with air bearing inclined plate separator, dissolved air water generating system by dissolved air water distributed pipeline respectively with microbubble gravity settling basin, the connection of air bearing inclined plate separator, the air bearing inclined plate separator is connect by drainpipe with water phase processing system, aforementioned scum pipe is connect with the de- system of electricity.Oil after separation mutually arrives into the requirement of subsequent production process, and water phase carries out preliminary treatment, achievees the purpose that mitigate subsequent aqueous process streams stroke pressure.

Description

Drain pretreatment unit is returned in a kind of acidification
Technical field
The utility model belongs to technical field of water treatment more particularly to drain pretreatment unit is returned in a kind of acidification.
Background technique
With the gradually exploitation in China oil field, most domestic oil field all enters low porosity and low permeability zones and surface areas for joint exploration and exploitation, in order to mention The recovery ratio of these high blocks, each oil field development unit largely use the means of acid fracturing.Although the method for acid fracturing has Effect improves the yield of these blocks, but returning of generating after acid fracturing contains substantial oil in drain, and direct emission can Biggish environmental pollution is caused, recycling these crude oil can produce biggish economic benefit, but these return drain and are directly entered original Oily production procedure, and will lead to subsequent production process and lead to the problem of new, the de- device jump electricity of such as electricity.
Summary of the invention
Place in order to overcome the above-mentioned deficiencies of the prior art, the utility model provide a kind of be acidified and return drain pretreatment dress It sets, the oil after making separation mutually arrives into the requirement of subsequent production process, and water phase carries out preliminary treatment, reaches and mitigates at subsequent water Manage the purpose of process pressure.
To achieve the above objectives, the present invention adopts the following technical solutions: drain pretreatment unit is returned in a kind of acidification, wrap Microbubble gravity settling basin, dissolved air water generating system, air bearing inclined plate separator, scum pipe, dissolved air water distributor pipe and drainpipe are included, The microbubble gravity settling basin is connect with inlet tube, and the microbubble gravity settling basin is connect with air bearing inclined plate separator, molten Air water generating system is connect with microbubble gravity settling basin, air bearing inclined plate separator respectively by dissolved air water distributed pipeline, described Air bearing inclined plate separator is connect by drainpipe with water phase processing system, and aforementioned scum pipe is connect with the de- system of electricity.
In the above-mentioned technical solutions, the microbubble gravity settling basin includes gravity settling basin and settling tank micropore gas distribution The bottom in gravity settling basin is arranged in device, the micropore gas pipe.
In the above-mentioned technical solutions, the air bearing inclined plate separator includes inclined plate separator and separator micropore gas pipe, The bottom in inclined plate separator is arranged in the micropore gas pipe.
In the above-mentioned technical solutions, the air bearing inclined plate separator is connected to dissolved air water generating system by water return pipeline.
The beneficial effects of the utility model are: the acidification returns drain pretreatment unit without adding chemical agent, utilization is pure Acidification can be returned drain and handled to meeting subsequent production required standard by pure physical method;Drain pretreatment unit is returned in acidification The dissolved air water generating system sewage that directlys adopt that treated as water source, energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model.
Fig. 2 is the structural schematic diagram of microbubble gravity settling basin in the utility model.
Fig. 3 is the structural schematic diagram of air bearing inclined plate separator in the utility model.
Wherein: 1. microbubble gravity settling basins, 1.1 gravity settling basins, 2. dissolved air water of 1.2. settling tank micropore gas pipe hair Raw system, 3. air bearing inclined plate separators, 3.1 inclined plate separators, 3.2 separator micropore gas pipes, 4. scum pipes, 5. dissolved air waters point Cloth pipeline, 6. water return pipelines, 7. drainpipes, 8. inlet tubes.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail.
Drain pretreatment unit is returned in a kind of acidification as shown in Figure 1, including microbubble gravity settling basin 1, dissolved air water occur System 2, air bearing inclined plate separator 3, scum pipe 4, dissolved air water distributor pipe 5 and drainpipe 7, the microbubble gravity settling basin 1 with Inlet tube 8 connects, and the microbubble gravity settling basin 1 is connect with air bearing inclined plate separator 3, and dissolved air water generating system 2 passes through molten Water-gas distribution pipeline 5 is connect with microbubble gravity settling basin 1, air bearing inclined plate separator 3 respectively, the air bearing inclined plate separator 3 It is connect by drainpipe 7 with water phase processing system, aforementioned scum pipe 4 is connect with the de- system of electricity.
As shown in Fig. 2, the microbubble gravity settling basin 1 includes gravity settling basin 1.1 and settling tank micropore gas pipe 1.2, the bottom in gravity settling basin 1.1 is arranged in the settling tank micropore gas pipe 1.2.Microbubble gravity settling basin 1 will be molten Gas air flotation technology improves the separative efficiency of crude oil and water phase in conjunction with gravity settling technology.
As shown in figure 3, the air bearing inclined plate separator 3 includes inclined plate separator 3.1 and separator micropore gas pipe 3.2, The bottom in inclined plate separator 3.1 is arranged in the separator micropore gas pipe 3.2.Air bearing inclined plate separator 3 can accelerate dirt The speed of oil droplet and suspended matter in water improves inclined plate separator to the separating effect of small particle oil droplet and suspended matter, after making separation Oil in Sewage Water phase content and suspension content decreased significantly effect.
In the above-mentioned technical solutions, the air bearing inclined plate separator 3 is connected to dissolved air water generating system by return pipe 6 2.Dissolved air water generating system 2 is entered by water return pipeline 6 through treated the water a part of air bearing inclined plate separator 3, is saved water.
Acidification to be treated is returned drain and is injected into microbubble gravity settling basin 1, and dissolved air water generating system 2 generates molten Air water enters in microbubble gravity settling basin 1 and air bearing inclined plate separator 3 by dissolved air water distributed pipeline 5, and drain is returned in acidification Then oily aqueous phase separation is mixed with dissolved air water in microbubble gravity settling basin 1, the oil after separation mutually flows into the de- system of electricity through scum pipe 4 In system, the water phase after separation is flowed into air bearing inclined plate separator 3, and sewage a part after air bearing inclined plate separator 3 passes through back Waterpipe 6 is entered in dissolved air water generating system and is reused, and a part is flowed into water phase processing system through pipeline 7.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in Change or replacement, should be covered within the scope of the utility model.

Claims (4)

1. drain pretreatment unit is returned in a kind of acidification, it is characterized in that: include microbubble gravity settling basin, dissolved air water generating system, Air bearing inclined plate separator, scum pipe, dissolved air water distributor pipe and drainpipe, the microbubble gravity settling basin are connect with inlet tube, The microbubble gravity settling basin is connect with air bearing inclined plate separator, and dissolved air water generating system is distinguished by dissolved air water distributed pipeline It is connect with microbubble gravity settling basin, air bearing inclined plate separator, the air bearing inclined plate separator is handled by drainpipe and water phase System connection, aforementioned scum pipe are connect with the de- system of electricity.
2. drain pretreatment unit is returned in acidification according to claim 1, it is characterized in that: the microbubble gravity settling basin packet Gravity settling basin and settling tank micropore gas pipe are included, the bottom in gravity settling basin is arranged in the micropore gas pipe.
3. drain pretreatment unit is returned in acidification according to claim 1, it is characterized in that: the air bearing inclined plate separator includes The bottom in inclined plate separator is arranged in inclined plate separator and separator micropore gas pipe, the micropore gas pipe.
4. drain pretreatment unit is returned in acidification according to claim 1 or 2, it is characterized in that: the air bearing inclined plate separator Dissolved air water generating system is connected to by water return pipeline.
CN201820454453.5U 2018-04-02 2018-04-02 Drain pretreatment unit is returned in a kind of acidification Active CN208250011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820454453.5U CN208250011U (en) 2018-04-02 2018-04-02 Drain pretreatment unit is returned in a kind of acidification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820454453.5U CN208250011U (en) 2018-04-02 2018-04-02 Drain pretreatment unit is returned in a kind of acidification

Publications (1)

Publication Number Publication Date
CN208250011U true CN208250011U (en) 2018-12-18

Family

ID=64638542

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820454453.5U Active CN208250011U (en) 2018-04-02 2018-04-02 Drain pretreatment unit is returned in a kind of acidification

Country Status (1)

Country Link
CN (1) CN208250011U (en)

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