CN203048889U - Effluent oil recycling device for oil field - Google Patents

Effluent oil recycling device for oil field Download PDF

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Publication number
CN203048889U
CN203048889U CN 201220733924 CN201220733924U CN203048889U CN 203048889 U CN203048889 U CN 203048889U CN 201220733924 CN201220733924 CN 201220733924 CN 201220733924 U CN201220733924 U CN 201220733924U CN 203048889 U CN203048889 U CN 203048889U
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Prior art keywords
oil
water
sump oil
lift pump
effluent
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CN 201220733924
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Chinese (zh)
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康恒
季红
要建东
赵成安
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BEIJING HUIBOPU ENERGY TECHNOLOGY Co Ltd
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BEIJING HUIBOPU ENERGY TECHNOLOGY Co Ltd
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Abstract

The utility model discloses an effluent oil recycling device for an oil field. The effluent oil recycling device comprises an aging effluent oil inlet, an effluent oil lifting pump, an effluent oil filter, a tempering tank, a screw lifting pump, a filter, a spiral plate heat exchanger, a solid-liquid separation centrifuge, an oil-water buffer tank, an oil water lifting pump and an oil-water separator which are sequentially connected through a pipeline; the tempering tank comprises a material inlet, a watering inlet, a dosing inlet, a heating device and a stirring device; the oil-water separator comprises an oil-water heating device; an inlet of the solid-liquid separation centrifuge is provided with a flocculant dosing pipeline; a purified oil outlet of the oil-water separator is provided with a lifting pump for conveying purified oil to the outside, and a water outlet is provided with a recycled water lifting pump; and a steam pipeline is respectively connected with the heat exchanger and the oil-water separator. By using the effluent oil recycling device for the oil field, the technical problems such as poor treatment effect and higher limitation of adaptive forms of the traditional effluent oil treatment device can be solved.

Description

A kind of oilfield sump oil recycling and processing device
Technical field
The utility model relates to a kind of sump oil treatment unit of oil field.
Background technology
Along with oilfield exploitation enters the middle and later periods, a large amount of reluctant aging sump oils appears in each elephant in succession, has caused the waste of device processes capacity, brings hidden danger to system simultaneously.Aging sump oil main source is a lot, the recovery sump oil of sewage sedimentation, floatation system; Profit transition layer in the water trap, the crude oil emulsion of the height emulsification of measures such as oil well acidation, pressure break, drilling well, operation and the oil that lands; Sump oil in sewage/sump oil pond for recovering all can cause the reluctant aging sump oil of conventional oil field equipment.
Component, content in the different oilfield sump oils are all different, have caused the thorough recovery that is difficult to solve fully with a kind of equipment this part oilfield sump oil.Because the dirty oil dewatering difficulty is big, sneak in the ordinary production flow process at sump oil in addition, this part sump oil is along with the recovered water of sneaking into or produce interpolation water, and the sump oil volume is also increasing, brings very burden for the dehydrating of crude oil treatment facility.As: take the equipment useful volume, cause the dehydration equipment deleterious, a large amount of sump oil transition layers exist in system, have wasted the useful space for the treatment of facility, have a strong impact on the ordinary production in oil field.Enter electricity at the crude oil that contains sump oil and take off equipment, also can cause the electric current superelevation and trip, weight person damages electricity and takes off equipment;
At present, the inherent ageing oil processing of industry aspect does not have special processing unit to solve problem, and more solution is to adopt back the mode of mixing processing, and still this mode can not be dealt with problems at all, is not also approved widely.It is very strong to return the contaminative of mixing ageing oil, can increase the emulsification degree of system's crude oil, causes new electricity to take off problem, there is result of study to claim back to mix aging oil mass and can not surpasses 10%, preferably control 5%, and this art breading efficient is very low, mostly is ageing oil circulations in system.Chinese patent CN200410013673.7, CN200620091934.1, CN200320126151.9 all discloses ageing oil altogether and has handled new technology, but all rely on follow-up electro-dewatering technology, the pretreatment technology or the equipment that belong to ageing oil, only the ageing oil at certain type characteristic has proposed solution, and the sump oil of inapplicable other component type.
Summary of the invention
The purpose of this utility model provides a kind of oilfield sump oil recycling and processing device, and the treatment effect that traditional sump oil treatment unit exists is bad to solve, adaptive form has bigger technical problems such as limitation.
In order to realize the foregoing invention purpose, the technical scheme that the utility model adopts is as follows:
A kind of oilfield sump oil recycling and processing device comprises the aging sump oil import, sump oil lift pump, sump oil strainer, modified jar, screw rod lift pump, strainer, spiral-plate exchanger, solid-liquid separation centrifuge, profit surge tank, profit lift pump, the water-and-oil separator that connect successively by pipeline; Described modified jar comprises material inlet, water mixing import, dosing import, heat riser and whipping appts; Described water-and-oil separator comprises the profit heat riser; Described solid-liquid separation centrifuge import is provided with flocculation agent dosing pipeline; The self-cleaning oil outlet of described water-and-oil separator is provided with self-cleaning oil defeated lift pump outward, and water out is provided with the recycle-water lift pump; There is a vapour line to link to each other with interchanger, water-and-oil separator respectively.
Described a kind of oilfield sump oil recycling and processing device adopts vertical modified jar of two parallel connections, and wherein modified jar comprises the steam coils interface, and stirrer is installed at its top, and the bottom material outlet is installed lift pump.
Described a kind of oilfield sump oil recycling and processing device is furnished with the secondary chemicals dosing plant, first add snack made with traditional Chinese medicines is located at 4 modified jar, second adds snack made with traditional Chinese medicines be located at 8 whizzer entrances before.
Described a kind of oilfield sump oil recycling and processing device, described modified jar of water mixing water adopts interchanger it to be heated up the water yield and Controllable Temperature.
Described a kind of oilfield sump oil recycling and processing device, the solid outlet after described solid-liquid separation centrifuge separates connects the mud collecting cart.
The utlity model has following advantage and positively effect:
1, impurity adopts centrifugation to separate through modified back in the oilfield sump oil, and separating factor is big, the separation efficiency height.
2, solved aging sump oil treating processes Central Plains oil particles and be attached on the solid impurity, density and water are near, suspend in mid air in container, a unseparated difficult problem.
3, solved the solid impurity pellet density and differed, a kind of separate mode is difficult to the thoroughly difficult problem of separation.
4, because present solid-liquid centrifugal separation equipment maturation, technology is reliable, and the solid dregs can several discharges, utilize this technology can design the corollary apparatus that continuity is produced, and solves in the past that the ordinary method whizzer is intermittently produced, the solid drawback of manual row.
5, each equipment can be assembled into sledge according to process sequence, adopts the packaged type design, and the assembling moving is convenient, can adapt to the probabilistic characteristics in short period, intermittence, place that oilfield sump oil is handled; Fully taken into account the component difference of different oilfield sump oils, had hot water water mixing mouth and solid-liquid separation system, to be suitable for different components ratio oilfield sump oil; Adopted the independent processing process system, broken away from follow-up electro-dewatering technology, can not bring new problem, handled crude oil and reach the self-cleaning oil standard, disposed of sewage to Sewage treatment systems.
Description of drawings
Fig. 1 is composition of the present utility model and process flow sheet.
Embodiment
A kind of oilfield sump oil recycling and processing device described in the utility model is that the sump oil for the scene, oil field focuses on, this equipment major function unit is divided into three parts, first part: the modified part of sump oil comprises sump oil lifting system, filtering system, medicine system, sump oil temperature elevation system, mixes system.Second section: centrifugal separation system comprises solid-liquid separating centrifuge, medicine system, mobile mud collecting cart, profit surge tank, profit lift pump, clear water temperature elevation system, the sump oil temperature elevation system.Third part: oil-water separation system.Comprise gun barrel, self-cleaning oil lifting system, sewage lifting system, profit temperature elevation system.
Concrete composition comprises aging sump oil import, sump oil lift pump, sump oil strainer, modified jar, screw rod lift pump, strainer, spiral-plate exchanger, solid-liquid separation centrifuge, profit surge tank, profit lift pump, the water-and-oil separator that is connected successively by pipeline with structural relation; Described modified jar comprises material inlet, water mixing import, dosing import, heat riser and whipping appts; Described water-and-oil separator comprises the profit heat riser; Described solid-liquid separation centrifuge import is provided with flocculation agent dosing pipeline; The self-cleaning oil outlet of described water-and-oil separator is provided with self-cleaning oil defeated lift pump outward, and water out is provided with the recycle-water lift pump; There is a vapour line to link to each other with interchanger, water-and-oil separator respectively.This oilfield sump oil recycling and processing device adopts vertical modified jar of two parallel connections, and wherein modified jar comprises the steam coils interface, and stirrer is installed at its top, and the bottom material outlet is installed lift pump.This oilfield sump oil recycling and processing device is furnished with the secondary chemicals dosing plant, first add snack made with traditional Chinese medicines is located at 4 modified jar, second adds snack made with traditional Chinese medicines be located at 8 whizzer entrances before.This oilfield sump oil recycling and processing device, described modified jar of water mixing water adopts interchanger it to be heated up the water yield and Controllable Temperature.This oilfield sump oil recycling and processing device, the solid outlet after described solid-liquid separation centrifuge separates connects the mud collecting cart.
Concrete technical process is described in detail as follows:
Lift pump 1 outlet is connected with strainer 2 through pipe, and strainer 2 is established bypass line, and strainer 2 outlets connect under meter 3 through pipe, connect medicament behind the under meter 3 and add pipe 17, enter then in modified jar 4.Modified jar of 4 tops have mechanical stirring device, and steam coils is established in the bottom.Modified jar 4 material outlet connects spiral pump 5 through pipe, promotes as the charging of solid-liquid whizzer.Spiral pump 5 outlets are through pipe coupling strainer 6, and strainer 6 outlets connect interchanger 7 entrances, and interchanger 7 outlets connect whizzer 8 entrances, and flocculation agent dosing pipeline 15 also is connected to whizzer 8 entrances.Whizzer 8 slag-drip openings are collected outward transport through vertically being flexible coupling to mud outward transport car 9.Whizzer 8 liquid outlets connect profit surge tank 10 through pipe, and surge tank 10 materials are promoted to water-and-oil separator 12 entrances via profit lift pump 11, and the outlet of water-and-oil separator 12 profits is connected to self-cleaning oil lift pump 13 respectively through pipe, and it is defeated outward to be used for self-cleaning oil.Water-and-oil separator 12 water outs, are used for sewage and are promoted to Sewage treatment systems to sewage pump 14 through pipe coupling.
According to the technical process order, at first open modified jar 4 clear water inlet valves, adds modified with clear water (adopt the back hot water that heats up, temperature is 60 ~ 70 ℃, volume be modified tank volume 1/3), open modified jar 4 temperature elevation systems.Startup sump oil lift pump 1 lifting sewage enters modified jar of 4(refining temperature and the modified time decides according to the sump oil oil property).Open spiral pump 5 after modified the finishing, modified good sump oil is flowed through after strainer 6, interchanger 7 backs join with flocculation agent dosing (adding flocculation agent by the sump oil 0.1% that modulates) pipeline 15, and temperature reaches 70 ~ 75 ℃.Enter whizzer 8(according to different sump oils, centrifuge speed is adjustable).Whizzer 8 slag-drip openings are through vertically being flexible coupling to mud outward transport car 9, collect outward transport, whizzer 8 liquid outlets connect profit surge tank 10 through pipe, surge tank 10 materials are promoted in the water-and-oil separator 12(water-and-oil separator via profit lift pump 11 and open heating system, the oil-water mixture temperature reaches 75 ~ 80 ℃, the residence time, control was at 60 ~ 120 minutes), the outlet of water-and-oil separator 12 profits is connected to self-cleaning oil lift pump 13 respectively through pipe, it is defeated outward to be used for self-cleaning oil, water-and-oil separator 12 water outs, are used for sewage and are promoted to Sewage treatment systems to sewage pump 14 through pipe coupling.
So far finish oilfield sump oil recycling process.The moisture self-cleaning oil standard that reaches of self-cleaning oil, sewage enters the disposing polluted water in oil system again.Isolated mud outward transport is handled.
Complete assembly adopts a cover automatic routine control, from sump oil enter, sump oil is modified, whizzer solid-liquid separation, oily water separation reclaim to self-cleaning oil and all need not manual intervention.
In Fig. 1, the 1st, the sump oil lift pump, the 2nd, the sump oil under meter, the 3rd, sump oil strainer (), the 4th, modified jar, the 5th, sump oil+water lift pump, the 6th, sump oil strainer (two), the 7th, the sump oil interchanger, the 8th, horizontal screw centrifuge, the 9th, mud outward transport car, the 10th, the profit surge tank, 11 profit lift pumps, the 12nd, gun barrel, the 13rd, the self-cleaning oil lift pump, the 14th, sewage pump, the 15th, the flocculation agent entrance, the 16th, the clear water interchanger, the 17th, clean-out system+emulsion splitter entrance, the 18th, the clear water entrance, the 19th, the steam-in, the 20th, aging sump oil entrance, the 21st, sewage outlet, the 22nd, the self-cleaning oil outlet.

Claims (5)

1. oilfield sump oil recycling and processing device, it is characterized in that, comprise the aging sump oil import, sump oil lift pump, sump oil strainer, modified jar, screw rod lift pump, strainer, spiral-plate exchanger, solid-liquid separation centrifuge, profit surge tank, profit lift pump, the water-and-oil separator that connect successively by pipeline; Described modified jar comprises material inlet, water mixing import, dosing import, heat riser and whipping appts; Described water-and-oil separator comprises the profit heat riser; Described solid-liquid separation centrifuge import is provided with flocculation agent dosing pipeline; The self-cleaning oil outlet of described water-and-oil separator is provided with self-cleaning oil defeated lift pump outward, and water out is provided with the recycle-water lift pump; There is a vapour line to link to each other with interchanger, water-and-oil separator respectively.
2. a kind of oilfield sump oil recycling and processing device according to claim 1 is characterized in that, adopts vertical modified jar of two parallel connections, and wherein modified jar comprises the steam coils interface, and stirrer is installed at its top, and the bottom material outlet is installed lift pump.
3. a kind of oilfield sump oil recycling and processing device according to claim 1 is characterized in that being furnished with the secondary chemicals dosing plant, first add snack made with traditional Chinese medicines is located at 4 modified jar, second adds snack made with traditional Chinese medicines be located at 8 whizzer entrances before.
4. a kind of oilfield sump oil recycling and processing device according to claim 1 is characterized in that, described modified jar of water mixing water adopts interchanger it to be heated up the water yield and Controllable Temperature.
5. a kind of oilfield sump oil recycling and processing device according to claim 1 is characterized in that, the solid outlet after described solid-liquid separation centrifuge separates connects the mud collecting cart.
CN 201220733924 2012-12-27 2012-12-27 Effluent oil recycling device for oil field Active CN203048889U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045127A (en) * 2014-07-14 2014-09-17 崔斌 Air flotation oil removing device and method
CN105625970A (en) * 2016-03-04 2016-06-01 海乐分离设备工程(无锡)有限公司 Mobile oil-based drillings and waste liquid treatment system
CN106608705A (en) * 2016-03-18 2017-05-03 陕西创源石油科技有限公司 Oil sludge reduction equipment
CN110564446A (en) * 2018-06-05 2019-12-13 中国石油化工股份有限公司 Dirty oil treating agent and application thereof and method for recycling dirty oil

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045127A (en) * 2014-07-14 2014-09-17 崔斌 Air flotation oil removing device and method
CN105625970A (en) * 2016-03-04 2016-06-01 海乐分离设备工程(无锡)有限公司 Mobile oil-based drillings and waste liquid treatment system
CN105625970B (en) * 2016-03-04 2018-04-03 海乐分离设备工程(无锡)有限公司 A kind of portable oil-based drill cuttings and liquid waste treatment system
CN106608705A (en) * 2016-03-18 2017-05-03 陕西创源石油科技有限公司 Oil sludge reduction equipment
CN110564446A (en) * 2018-06-05 2019-12-13 中国石油化工股份有限公司 Dirty oil treating agent and application thereof and method for recycling dirty oil

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