CN104355468B - A kind of fracturing outlet liquid modularity Integrated Processing System - Google Patents
A kind of fracturing outlet liquid modularity Integrated Processing System Download PDFInfo
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- CN104355468B CN104355468B CN201410594658.XA CN201410594658A CN104355468B CN 104355468 B CN104355468 B CN 104355468B CN 201410594658 A CN201410594658 A CN 201410594658A CN 104355468 B CN104355468 B CN 104355468B
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention provides a kind of fracturing outlet liquid modularity Integrated Processing System, comprising: gas-solid phase integrated treatment module；Liquid phase recycling module；Process pond module；Oxidation processes module；Filtration cycle module；Wherein, in gas-solid phase integrated treatment module, carry out gas phase reclaiming burn processing and solid phase carrying out reclaim collection processing；According to actual place job demand, above-mentioned five modules being used respectively or are applied in combination, its basic goal is that the concentration to fracturing outlet liquid efficiently processes；Present invention achieves the most directly processing of fracturing outlet liquid, end product can directly burn, discharge or again with, both saved transport, processing cost, improve again the utilization rate of water resource, advocating the present of whole people's environmental protection, present treatment technique has bigger application prospect at oil field compression fracture scene.
Description
Technical field
The present invention relates to Oil Field fracturing outlet liquid and process equipment technology field, specifically, the present invention
Particularly to a kind of fracturing outlet liquid modularity Integrated Processing System.
Background technology
Pressing crack construction operation is as conventional and the Main Means of unconventional petroleum resources volume increase, its fracturing liquid
It is sufficiently complex, and the multiple chemical compositions such as contained thickening agent, cross-linking agent, such as polymer, organic
Thing, inorganic matter etc., of a great variety, complicated component, to such an extent as to the pressure break produced at the end of pressing crack construction
Remaining liquid component is extremely complex, and it shows themselves in that air-liquid, oil, solid heterogeneous existence, liquid phase show as high COD,
High TDS, high suspended matter, variation water quality is big；It it is the oil field waste that a class intractability is big.
If liquid more than pressure break is arranged outward without any process, it will to surrounding enviroment, especially to soil
Earth and surface drainage cause severe contamination.Along with China's attention to environmental conservation, fracturing outlet liquid is to ring
The pollution that border is brought also is the most serious.Via the most outstanding in the fracturing outlet liquid that wellhead tree tree directly gets rid of
Floating have formation debris and a small amount of high/low density crude oil in the proppant such as quartz sand, ceramsite sand, well, and this makes
The process obtaining fracturing outlet liquid is more difficult.General fracturing outlet liquid has three kinds of processing modes, and one is by well
Being transported to multi-purpose station outside the venue, with output water mixed processing, place and fill after air-drying voluntarily, this method is time-consuming
Arduously, big for environment pollution.Two is that fracturing outlet liquid processes through various methods such as chemistry, physics, biologies
Rear discharge, this kind method processing cost is high, equipment is immature, treatment scale is little, it is impossible to meet the modern times
The requirement of massive hydraulic fracture operation.Three is that fracturing outlet liquid processes Posterior circle recycling, and this kind of method adapts to
The most increasingly serious environmental requirement, however it is necessary that and set up in fracturing outlet liquid treatment technology quite maturation
On basis, treatment technology is required the strictest.
Fractured return drainage liquid recovery processing apparatus the most used: such as Application No. CN201320145527.4
Shale gas fracturing outlet liquid recycling and processing equipment, a kind of pressure of Application No. CN201320425803.2
Split and return discharge opeing process retracting device；The core of above two device is by non-fracturing outlet liquid up to standard again
Utilize, it follows that fracturing outlet liquid cannot thoroughly be cleaned out by it；For another example Application No.
A kind of oil-gas field fracturing that processes of CN201320009645.2 returns the device of discharge opeing, and liquid is only carried out by it
Process, fracturing outlet liquid has three kinds of forms of gas-liquid-solid, in addition to liquid is to environment, Gu
Body and gas the most also can be to environments, it addition, in that patent, the process to liquid can only
Reach to meet effluent-quality standards, and also need subsequent treatment.
By upper analysis, it is appreciated that the fracturing outlet liquid recovery and processing system of prior art exists following characteristics
And defect；
1, the thorough process to fracturing outlet liquid cannot be realized, environment is easily caused secondary pollution.Have
Be by non-water up to standard on the spot again with, have plenty of and gas and solid cannot be processed.
2, when fracturing outlet liquid is thoroughly processed by needs, other equipment are needed to coordinate.On
State the processing means of contrast and thorough process to fracturing outlet liquid all cannot be implemented separately, when with other equipment
Carry out with the use of time, easily at middle convergence process, leakage situation occurs.Each device with the use of time,
Also needing to be analyzed in advance, waste time and energy in this case, too much wastes resource.
Summary of the invention
It is an object of the invention to provide a kind of fracturing outlet liquid modularity Integrated Processing System, at least to solve
What certainly prior art existed processes the problems such as the most thorough to fracturing outlet liquid, and solves further to coordinate
Between equipment, environment is caused secondary pollution problems by divergence.
In order to solve the problems referred to above, the present invention provides a kind of fracturing outlet liquid modularity Integrated Processing System,
Its technical scheme is as follows:
A kind of fracturing outlet liquid modularity Integrated Processing System, including such as one or more in lower module:
Gas-solid phase integrated treatment module, is carried out normal pressure fracturing outlet liquid in gas-solid phase integrated treatment module
Gas-liquid-solid three-phase separates, and the gas phase separated and solid phase is recycled respectively, will separate
Liquid phase be delivered to liquid phase recycling module；Liquid phase recycling module, this liquid phase recycling module is for reclaiming by gas
Solid phase integrated treatment module carries the liquid phase come, and liquid phase is extremely processed pond module by Pipeline transport；
Processing pond module, this process pond module is for removing the oil slick in liquid phase and adding in the liquid phase after oil removing
Drug additive, and will process after liquid phase by Pipeline transport to oxidation processes module；Oxidation processes mould
Block, the liquid phase that the module conveying of process pond is come by oxidation processes module carries out oxidation processes, will contain in liquid phase
Some organic substances and remaining oil slick are oxidized to carbon dioxide and water；Carbon dioxide is according to self gravitation
Emersion liquid phase, water is added in liquid phase, and will process after liquid phase by Pipeline transport to filtration cycle mould
Block；With filtration cycle module, this filtration cycle module is by the liquid phase after oxidation processes resume module
Macromole water and various antibacterial retain, allow the micromolecular water in liquid phase filter, to the little molecule after filtering
Water detects；When detection the most directly discharge or reuse up to standard, when detecting below standard then recycled back liquid phase
Again process after recycling module；
Above-mentioned five modules are the most independent individuality, according to processing on-the-spot difference, select above-mentioned
Part of module in five modules is combined connecting to constitute the processing system of fracturing outlet liquid.
Preferably, in described modularity Integrated Processing System, described gas-solid phase integrated treatment module includes:
Three phase separator, is connected with fracturing outlet liquid jet pipe, divides for fracturing outlet liquid is carried out gas-liquid-solid three-phase
From, and liquid phase is delivered to liquid phase recycling module；Gas phase recycling module, with the gas of three phase separator
Mouth is connected mutually, for recycling the gas phase that three phase separator is separated；Module is recycled with solid phase,
It is connected with the solid phase mouth of three phase separator, for recycling the solid phase that three phase separator is separated.
Preferably, in described modularity Integrated Processing System, described gas-solid phase integrated treatment module includes:
Three phase separator, is connected with fracturing outlet liquid jet pipe, for fracturing outlet liquid is separated into solid liquid phase mixing
Thing and gas phase；Gas phase recycling module, is connected with the gas phase mouth of three phase separator, is used for recycling
The gas phase that three phase separator is separated；Module is recycled, with the lotion mouth of three phase separator with solid phase
It is connected, for recycling the solid liquid phase mixture that three phase separator is separated, and solid liquid phase is mixed
Thing is separated into solid phase and liquid phase, recycles solid phase, and liquid phase is delivered to liquid phase recycling module.
Preferably, in described modularity Integrated Processing System, described gas phase recycling module includes:
Gas phase recovery device, is connected with the gas phase mouth of three phase separator, is used for reclaiming three phase separator and separates
Gas phase；Gentle phase ignition device, is connected with the air vent of gas phase recovery device, and the gas phase that is used for igniting is returned
The gas phase that receiving apparatus is discharged.
Preferably, in described modularity Integrated Processing System, described solid phase recycling module includes:
Solid phase retracting device, is connected with solid phase mouth or the lotion mouth of three phase separator, is used for reclaiming three phase separation
Solid phase that device is separated or reclaim solid liquid phase mixture that three phase separator separates and by solid liquid phase
Mixture is separated into solid phase and liquid phase, and liquid phase is delivered to liquid phase recycling module；Dress is processed with solid phase collection
Put, be connected with the outlet of solid phase retracting device, for collecting and store consolidating of solid phase retracting device discharge
Phase.
Preferably, in described modularity Integrated Processing System, described process pond module includes: oil interceptor；
Carry, through liquid phase recycling module, the liquid phase come for accommodating；Multiple upper spacers and multiple lower clapboard；Institute
State upper spacer and described lower clapboard is separately mounted to the top and bottom of described oil interceptor interlacedly, and
And described lower clapboard is between adjacent described upper spacer；Described upper spacer leaves in the bottom of oil interceptor
Cross the mouth of a river, make liquid phase from upper spacer bottom cross in the mouth of a river by and oil is trapped at upper spacer；Described
Lower clapboard left the mouth of a river on the top of described oil interceptor, for providing by space for liquid phase, by alternately
It is arranged on top and the upper spacer of bottom and lower clapboard and oil interceptor is partitioned into multistage oil removal district；Add with medicine
Feeder apparatus, medicine adding set is placed in above afterbody oil removal district, for afterbody oil removal district
Drug additive is added in liquid phase.
Preferably, in described modularity Integrated Processing System, described upper spacer is three pieces, described under every
Plate is two pieces；Three pieces of upper spacers are distributed in oil interceptor top, two pieces of lower clapboards lay respectively on adjacent every
Between plate, oil interceptor is divided into one-level oil removal district, two grades of oil removal districts and three grades of oil removal districts, institute by upper lower clapboard
State medicine adding set and be placed in the top in three grades of oil removal districts；Further preferably one-level oil removal district, two grades of oil removals
District and three grades of oil removal plot structure space proportions are respectively 1:1:3～5.
Preferably, in described modularity Integrated Processing System, described oxidation processes module includes: oxidation
Container, for accommodating the liquid phase after processing pond resume module；Ozonator, is arranged on described oxygen
Change upper vessel portion, provide ozone by appendix for the liquid phase in oxidation container；And ultraviolet generator,
It is arranged on described oxidation container bottom, produces the ultraviolet with ozone generation radical reaction, so free
Organic substance in base and liquid phase and remnants oil slick generation oxidative decomposition, by the Organic substance in liquid phase and residual
Remaining oil slick Strong oxdiative generates carbon dioxide and water；Carbon dioxide is according to self gravitation emersion liquid phase and leads to
Crossing exhaustor to discharge, water is added in liquid phase, and liquid phase passes through leakage fluid dram Pipeline transport to filtration cycle module.
Preferably, in described modularity Integrated Processing System, filtration cycle module includes: membrane filtration fills
Putting, be connected with the leakage fluid dram of oxidation processes module, come big point in liquid phase by the conveying of oxidation processes module
Sub-water retains, it is allowed to the micromolecular water in liquid phase enters the discharge pipe line of film filter；Water quality detection fills
Put, be arranged on the discharge pipe line of film filter, for detecting the discharge index of micromolecular water, thus
Judge whether this discharge index reaches discharge standard；Three-way valve, water inlet port and water quality detecting device
Outlet is connected, and the first outlet of three-way valve is floss hole, for being discharged by water up to standard or returning
Receive and utilize；With non-water circle device up to standard, one end is connected with the second outlet of three-way valve, another
End is connected with the water inlet of liquid phase recycling module, enters for non-water up to standard is transmitted back to liquid phase recycling module
Row processes again；
Further preferred described film filter includes: membrane cisterna, for accommodating through oxidation processes module oxygen
Liquid phase after change；Many group diaphragm pipelines, uniform are placed in described membrane cisterna, for by oxidated solution mutually in
Macromole and various antibacterial be trapped in outside diaphragm pipeline, it is allowed to oxidated solution mutually in micromolecular water
Entrance diaphragm pipeline is interior and travels further on the discharge pipe line of film filter；The most each
Group diaphragm pipeline includes: pottery mould bases；Inlay the two sides being arranged at pottery mould bases to enclose with pottery mould bases
Go out hollow space and the diaphragm that liquid phase is filtered；With cross drainage delivery line, one end respectively with described in
Absolutely empty corresponding connection, the other end is collected to the water inlet of discharge pipe line.
In the process to fracturing outlet liquid, use gas-solid phase integrated treatment module, liquid phase recycling module,
Pressure break is returned row by the individual module processing pond module, oxidation processes module and five modules of filtration cycle module
Liquid carries out recycling or fracturing outlet liquid is recycled by the combination of multiple module；
To the pressure break with primary treatment pollution discharge pond on-the-spot return discharge opeing reclaim time, individually filter
Loop module constitutes processing system, and the entrance point of described filtration cycle module goes out with primary treatment pollution discharge pond
Mouth end is connected by pipeline, and below standard liquid phase circulation is sent back to primary treatment row by described filtration cycle module
The entrance point in dirty pond；
When pressure break scene being returned discharge opeing and reclaiming, reclaimed by gas-solid phase integrated treatment module, liquid phase
The combination of module, process pond module, oxidation processes module and five modules of filtration cycle module forms place
Reason system, and then realize pressure break scene is returned the recycling of discharge opeing；
On-the-spot in the pressure break with pollution discharge pond, by liquid phase recycling module, process pond module, oxidation processes
The combination of module and filtration cycle module forms processing system, and then realizes the recovery to fracturing outlet liquid
Process；
On-the-spot in natural gas well pressure break or shale gas well fracturing on-the-spot, by gas-solid phase integrated treatment module,
The combination of liquid phase recycling module, process pond module and filtration cycle module forms processing system, Jin Ershi
The now recycling to fracturing outlet liquid.
Analyzing and understand, compared with prior art, the modularity Integrated Processing System of the present invention can be gas-solid
Phase integrated treatment module, liquid phase recycling module, process pond module, oxidation processes module and filtration cycle mould
One or more of five modules of block, adapts with this, and five modules of the present invention can use respectively,
Also use can be assembled, depending on tackling Different field demand；Use when fracturing outlet liquid is processed
The integrated processing mode of modularity, thus, the present invention can realize efficiently locating the concentration of fracturing outlet liquid
Five modules can be carried out various combination and process the pressure break at scene according to field demand and return by reason simultaneously
Discharge opeing；Its objective is to realize the most directly processing of fracturing outlet liquid, end product can directly burn, arrange
Put or again with, both saved transport, processing cost, improve again the utilization rate of water resource.
Furthermore, the present invention is provided with non-water circle device up to standard, for non-water circle device up to standard, and can be right
Water quality detecting device detection water the most up to standard need not first be reclaimed by carrier separately carries out Subsequent secure again
Process, and directly water the most up to standard is recycled to liquid phase recycling module and again processes until up to standard.
The present invention compared with prior art, has the advantage that owing to the present invention uses gas-solid phase General Office
Reason module, liquid phase recycling module, process pond module, oxidation processes module and five moulds of filtration cycle module
Being used alone or being used in conjunction with of block, it is achieved that the process of the paired fracturing outlet liquid of modularity collection, for
The processing system that fracturing outlet liquid only needs the present invention to provide just can realize thoroughly clearing up, and prevents environment
Cause the situation of secondary pollution.Owing to present invention employs the integrated process of modularity, can be according to scene
Demand determines that in five modules, fracturing outlet liquid is processed by that or that several modules.
Accompanying drawing explanation
Fig. 1 is the logical schematic of the preferred embodiment of the present invention.
Fig. 2 is the structural representation that the present invention processes pond module.
Fig. 3 is the internal structure schematic diagram of oxidation processes module of the present invention.
Fig. 4 is the structural representation of inventive film defecator.
Fig. 5 is the structural representation of diaphragm pipeline of the present invention.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further details below in conjunction with the accompanying drawings.
As it is shown in figure 1, the preferred embodiment of the fracturing outlet liquid Integrated Processing System of the present invention mainly includes
Gas-solid phase integrated treatment modules A；Liquid phase recycling module B；Process pond module C；Oxidation processes module D；
Filtration cycle module E.
The high pressure fracture of well head ejection returns discharge opeing through pressure manifold and the inlet of air relief valve, by high pressure pressure
Split to return after discharge opeing becomes normal pressure fracturing outlet liquid and enter gas-solid phase integrated treatment modules A, mutually comprehensive in gas-solid
Normal pressure fracturing outlet liquid is carried out gas-liquid-solid three-phase separation in processing module A, by the gas phase separated and
Solid phase recycles respectively, and the liquid phase separated is delivered to liquid phase recycling module B；Liquid phase is returned
Receive module B and carried, by gas-solid phase integrated treatment modules A, the liquid phase come for reclaiming, and liquid phase is passed through
Pipeline transport, to processing pond module C, processes pond module C for removing the oil slick in liquid phase and toward after oil removing
Liquid phase in add drug additive, and will process after liquid phase by Pipeline transport to oxidation processes module
D, the liquid phase that the module C conveying of process pond is come by oxidation processes module D carries out oxidation processes, by liquid phase
In the organic substance that contains and remaining oil slick be oxidized to carbon dioxide and water；Carbon dioxide is according to self
Gravity emersion liquid phase, water is added in liquid phase, and by liquid phase by Pipeline transport to filtration cycle module E,
In filtration cycle module E, the macromole water in liquid phase and various antibacterial being retained, allow in liquid phase is little
Molecular water filters, and detects the micromolecular water after filtering；When detection the most directly discharge or reuse up to standard,
When detection is below standard, again process after recycled back liquid phase recycling module B.
Gas-solid phase integrated treatment modules A includes three phase separator, is connected with fracturing outlet liquid jet pipe, is used for
Fracturing outlet liquid is carried out gas-liquid-solid three-phase separation；Gas phase recycling module, with the gas of three phase separator
Mouth is connected mutually, for recycling the gas phase that three phase separator is separated；Solid phase recycling module,
It is connected with the solid phase mouth of three phase separator, for recycling the solid phase that three phase separator is separated.
In order to the gas separating three phase separator carries out harmless discharge, gas phase recycles
Module includes: gas phase recovery device, is connected with the gas phase mouth of three phase separator, is used for reclaiming three phase separation
The gas phase that device is separated；Gentle phase ignition device, is connected with the air vent of gas phase recovery device, is used for
The gas phase that the gas phase recovery device that ignites is discharged.
The solid separated three phase separator for convenience is collected and stores, and solid phase recycles
Module includes: solid phase retracting device, is connected with the solid phase mouth of three phase separator, is used for reclaiming three phase separation
The solid phase that device is separated；With solid phase collection and treatment device, it is connected with the outlet of solid phase retracting device,
For collecting and store the solid phase that solid phase retracting device is discharged.
In order to effectively excluded by the oil slick in fracturing outlet liquid, the oil-water ratio of subsequent treatment is made to reach
Mark, process pond module C that the present embodiment is used, include oil interceptor 11 as shown in Figure 2；For accommodating
The liquid phase come is carried through liquid phase recycling module B；Multiple upper spacers 12 and multiple lower clapboard 13, on
Quantity (quantity of upper spacer 12 i.e. an oil interceptor more than the quantity of lower clapboard 13 of dividing plate 12
Depending on the progression of 11 is according to practical situation, lower clapboard 13 requires between adjacent upper spacer 12, with
Play the effect guiding water flowing and the effect being buffered into liquid)；Upper spacer 12 and lower clapboard 13 are interlaced
Be arranged in described oil interceptor 11 (if oil interceptor 11 is for circular cylinder, then upper spacer 12, under every
Plate 13 is arch, wherein upper spacer 12, lower clapboard 13 arc-shaped side tight with oil interceptor 11 pool wall
Connecting, only the arc-shaped side of upper spacer 12 is upper, string limit under；The arc-shaped side of lower clapboard 13 exists
Under, string limit upper (namely upper spacer 12 is fixed on the top of oil interceptor 11, lower clapboard 13 be fixed on every
The bottom of oil sump 11))；Upper spacer 12 left the mouth of a river in the bottom of oil interceptor 11, make liquid phase from every
Plate 12 bottom cross in the mouth of a river by and oil is trapped at upper spacer 12；Lower clapboard 13 is in oil interceptor
The mouth of a river was left on the top of 11, passed through space for providing for liquid phase.So by be arranged on alternately top and
Oil interceptor is partitioned into multistage oil removal district by upper spacer 12 and the lower clapboard 13 of bottom.Due to water oil density
Difference, liquid phase can form layering in one-level oil removal district, and oil reservoir floats on liquid layer surface, and liquid phase is in one-level
In oil removal district, the mouth of a river of crossing through upper spacer 12 bottom filters two grades of oil removal districts of entrance, in two grades of oil removal districts
It is layered again, the like, oil slick is separated from liquid phase；With medicine adding set 14, medicine
Product adding set 14 is placed in above afterbody oil removal district, by medicine adding set 14 by flocculant,
One or more in the various drug additive such as coagulant, pH value regulator join afterbody oil removal
In district.The progression of multistage oil removal processing procedure, can determine according to the oil-water ratio in fracturing outlet liquid, oil
Content repeatedly to be carried out after oil processing greatly, and finally carrying out the oil-water ratio in the liquid phase of membrane filtration processes should be little
In effluent standard value, oil removal processes the oil-water ratio reached typically will be according to the filtration cycle module being used behind
The diaphragm performance of E determines, such as diaphragm poor performance some time be accomplished by processing after pond module C processes
In liquid phase, oil content is lower, such as by increasing oil removal level otherwise.
In order to preferably make dividing plate play the string back gauge oil interceptor 11 of oil removal effect, preferably upper spacer 12
The height of bottom, less than the height bottom the string back gauge oil interceptor 11 of lower clapboard 13, is i.e. gone up lower clapboard and is existed
Have overlap on height, and preferably the two overlapping height be upper spacer 12 height (bending high h) 1/3～
2/3, further preferred stack height is at about 1/2h.Furthermore it is preferred that the height h of upper spacer 12 be every
The 2/3～3/4 of oil sump 11 height H.
As a example by Fig. 2, oil interceptor 11 internal partition is divided into upper spacer 12 and lower clapboard 13, upper spacer 12
Being fixed on the top of oil interceptor 11, lower clapboard 13 is fixed on the bottom of oil interceptor 11, wherein on three pieces every
Plate 12 is distributed in oil interceptor 11 top, and two pieces of lower clapboards 13 lay respectively between adjacent upper spacer 12
Position, oil interceptor 11 is divided into three parts, the referred to as three grades oil removal district (levels of oil interceptor 11 by upper lower clapboard
Number is determined by the quantity of upper spacer 12, is one-level oil removal between oil separating plate and the pool wall of the leftmost side in Fig. 2
District), after liquid phase enters oil interceptor 11, it is introduced into one-level oil removal district, due to the difference of water oil density, liquid
Being layered mutually, oil reservoir floats on liquid layer surface, and liquid layer enters two grades of oil removal districts via the breach below upper spacer 12,
Again carrying out oil-water separation, liquid layer enters three grades of oil removals via the breach of upper spacer 12 bottom, two grades of oil removal districts
District, the like, the liquid phase after three not good liquors are separating of oil is arranged through the down gap of three grades of oil removal district upper spacers 12
Go out.During elected three grades of oil removal districts, one-level, two grades and three grades of oil removal plot structure space proportions are respectively
1:1:3～5, so design could facilitate medicine adding set 14 to be placed on above three grades of oil removal districts.
In order to Organic substance in liquid phase and remaining oil slick are aoxidized in oxidation processes, oxidation
Processing module D, includes oxidation container 21 as shown in Figure 3, is used for accommodating through processing pond module C process
After liquid phase；Ozonator 22, is arranged on described oxidation container 21 top, by appendix 24 is
Liquid phase in oxidation container 21 provides ozone；With ultraviolet generator 23, it is arranged on described oxidation container
21 bottoms, produce and the ultraviolet of ozone generation radical reaction, and then organic with liquid phase of free radical
Thing and remaining oil slick generation oxidative decomposition, generate the Organic substance in liquid phase and remaining oil slick Strong oxdiative
Carbon dioxide and water；Carbon dioxide is discharged by exhaustor 25 according to self gravitation emersion liquid phase, water
Dissolving in liquid phase, liquid phase passes through leakage fluid dram Pipeline transport to filtration cycle module E.
Filtration cycle module E includes: film filter, is connected with the leakage fluid dram of oxidation processes module D,
Oxidation processes module D is carried the macromole water coming in liquid phase and various antibacterial retains, it is allowed in liquid phase
Micromolecular water enter film filter discharge pipe line 35；Water quality detecting device, is arranged on membrane filtration dress
On the discharge pipe line 35 put, for detecting the discharge index of micromolecular water, thus judge that this discharge index is
No reach discharge standard；Three-way valve, water inlet port is connected with the outlet of water quality detecting device, and three
First outlet of logical valve is floss hole, for by water up to standard discharge or recycling；Up to standard with non-
Water circle device, one end is connected with the second outlet of three-way valve, the other end and liquid phase recycling module
The water inlet of B is connected, and again processes for non-water up to standard is transmitted back to liquid phase recycling module B.
In order to the macromole water in liquid phase being retained as far as possible, in order to subsequent detection processes, and the present embodiment is adopted
Film filter, include membrane cisterna 31 as shown in Figure 4, Figure 5, for accommodate through oxidation processes mould
Liquid phase after block D oxidation；Many group diaphragm pipelines, uniform are placed in described membrane cisterna 31 (by diaphragm card
Groove is fixed in membrane cisterna), for by oxidated solution mutually in macromole water and various antibacterial be trapped at diaphragm
Outside pipeline, it is allowed to the micromolecular water entrance diaphragm pipeline after oxidation is interior and travels further into film filter
Discharge pipe line 35 on.
Each group of diaphragm pipeline includes: pottery mould bases 32；It is arranged on (being precisely embedded in) pottery
Diaphragm 34 (ultrafilter membrane) and the through hole passing through to be provided with on pottery mould bases 32 of mould bases 32 two sides are installed
Drainage delivery line 33 excessively on pottery mould bases 32.It is positioned at diaphragm 34 and the pottery of pottery mould bases 32 both sides
Ceramic former frame 32 constitutes a hollow container, during the micromolecular water after oxidation is filtered by liquid phase via diaphragm 34
In empty, then derive by crossing drainage delivery line 33.The one end crossing drainage delivery line 33 holds with hollow
Device correspondence connects, and the other end is collected to the water inlet of discharge pipe line 35.The quantity of diaphragm 34 and kind root
Selecting according to returning draining feature, diaphragm 34 can be planar film, tubular membrane, ceramic hollow fibrous membrane, core footpath
Etching moulds etc., liquid phase, through membrane filtration, can remove antibacterial therein, solable matter, macromolecular complex
Matter and coloring matter etc. all more than select fenestra material.Currently preferred diaphragm is that ceramic hollow is fine
Dimension film, ceramic hollow fibrous membrane have good chemical stability, heat stability, mechanical stability and
Superior separating property, uses under the especially suitable harsh conditions having oil field compression fracture scene.
As it is shown in figure 1, the high pressure fracture of well head ejection returns discharge opeing through pressure manifold and the feed liquor of air relief valve
Mouthful, high pressure fracture is returned after discharge opeing becomes normal pressure fracturing outlet liquid and enter three phase separator, in three phase separation
The separation of gas phase, liquid phase and solid phase is realized in device；Gas phase after separating is by three phase separator upper end
Gas phase outlet is delivered to gas phase recovery device and is burnt by gas phase ignition device；
Solid phase after separating is delivered to solid phase retracting device by the solid phase outlet of three phase separator lower end and is entered
Row reclaims, and when needs store or transport, opens the dredge pump of solid phase retracting device, by solid phase
Pollutant transportation to solid phase collection and treatment device carries out storing or transporting processing to process place.
Liquid phase after separating is delivered to liquid phase recycling module B by the liquid phase outlet of three phase separator
In, liquid phase recycling module B storage capacity is by time full, in the outlet by liquid phase recycling module B by liquid phase
It is delivered to oil interceptor 11, big by liquid phase in the first order in oil interceptor 11 and second level oil interceptor
Part oil slick is removed, and the first order and second level oil interceptor also act as feed liquor cushioning effect, in third level oil removal
(described polyacrylamide can make hanging in liquid phase to add chemical floc, preferably polyacrylamide in pond
Float matter passes through charge neutrality, plays bridge formation adsorption and flocculation), according to oil well, gas well and shale gas
Well returns the difference of discharge opeing, it is possible to reduce or increase every progression magnitude size；Then chemical flocculation will be added
The liquid phase of agent is delivered in oxidation processes module D；
In oxidation processes module D, liquid phase is aoxidized, specifically produced by ozonator 22
Ozone, the ultraviolet that ozone is launched with ultraviolet generator 23 (such as uviol lamp etc.) reacts, by liquid
Organic substance in mutually and remaining oil slick are oxidized to carbon dioxide and water, and carbon dioxide passes through exhaustor 25
Discharging, aqueous fusion enters in liquid phase, and liquid phase is delivered to filtration cycle module E by oxidation processes module D；
In filtration cycle module E: liquid phase enters film filter, many groups diaphragm pipe of film filter
Macromole water in liquid phase and various antibacterial are retained by road, allow the micromolecular water in liquid phase filter, and by little
Molecular water delivers to the interior detection of water quality detecting device by organizing drainage delivery line 33 more, when water is up to standard, opens
First outlet of logical three-way valve, directly discharges water up to standard or reuse, now, according to on-the-spot needs
Water up to standard is processed, can be with reinjection into reservoir, it is also possible to recycling, owing to next step processes
Process is different, so the requirement to water quality reaching standard also differs；Such as: if water up to standard to be introduced dilution energy
When the less lake, river of power is as purposes such as townscape water and general recycle-waters, then according to
The A standard of GB18918-2002 first discharge standard performs；If water up to standard is entered GB3838 earth's surface
Water III class function waters (except the drinking water source protection zone of delimitation and Swimming area), GB3097 sea water two
When the closing such as class function waters He Hu, storehouse or semiclosed waters, then according to GB18918-2002 one-level
The B standard of discharge standard performs；If water up to standard to be entered GB3838 surface water IV, V class function waters
Or GB3097 sea water three, four class function marine site, then according to GB18918-2002 secondary discharge standard
Perform.Described different water quality reaching standard requirement, all can be by the described integrated process of fracturing outlet liquid modularity
Technique realizes；
When water is the most up to standard, open the second outlet of three-way valve, non-water up to standard is delivered to non-up to standard
Water circle device 13, is transmitted back to liquid phase recycling module B by non-water circle device 13 up to standard by non-water up to standard
Reprocessing.
As another kind improve, in three phase separator, fracturing outlet liquid is separated into solid liquid phase mixture with
And gas phase, gas phase is recycled by gas phase recycling module, and solid liquid phase mixture passes through three-phase
The lotion mouth of separator is delivered to solid phase retracting device, is divided by solid liquid phase mixture in solid phase retracting device
From becoming liquid phase and solid phase, the solid phase separated is delivered to solid phase collection and treatment device and is acted upon；And
The liquid phase separated is delivered to liquid phase recycling module B.
At liquid phase recycling module B, process pond module C, oxidation processes module D and filtration cycle module E
The most all have solid precipitation mouth, periodically to liquid phase recycling module B, process pond module C, oxidation processes mould
Solid phase in block D and filtration cycle module E reclaims, and the solid phase of recovery is delivered to solid phase collection
Processing means is acted upon.
From upper description, this preferred embodiment is by membranization and aoxidizes integrated use so that be originally preferable to carry out
Example can rapidly and efficiently realize the integrated process of the modularity to fracturing outlet liquid.
Membrane filtration processes can fully and completely remove the diameter macromole water more than fenestra, but is used alone
Membrane filter method can cause again the burden of film excessive, easily blocks, and service life reduces, and pollutes in sewage
The treating capacity of membrane filter method is had an impact by the quantity of thing, and pollutant too much can cause the disposal ability of film to decline.
Therefore, before oxidizing process is placed in membrane filtration processes, oxidizing process is by the Organic substance in liquid phase and remnants
Oil slick decomposes, and alleviates the pressure of film filter, reduces diaphragm blocking in film filter
Probability, extends the cleaning frequency of diaphragm, improves the service life of diaphragm, and relatively low pollutant
Density makes membrane filtration processes to carry out smoothly.
The advanced oxidation processes of oxidation processes module D and the membrane filter method of filtration cycle module E are combined and make
With improving treatment effeciency, reduce equipment volume, improve service life of equipment, preferably return for pressure break
The process of discharge opeing provides service.
As it is shown in figure 1, the fracturing outlet liquid Integrated Processing System of the present invention is divided into five modules, these five
Module can use respectively, it is possible to assembles and uses, to tackle Different field demand.As,
Gas-solid phase integrated treatment modules A, liquid phase recycling module B, process pond module C, oxidation processes mould
The processing system that the combination of block D and filtration cycle module E is formed, may be used for all pressure break scenes and returns row
Liquid uses；
To the pressure break with primary treatment pollution discharge pond on-the-spot return discharge opeing reclaim time, individually filter
Loop module constitutes processing system, and the entrance point of described filtration cycle module goes out with primary treatment pollution discharge pond
Mouth end is connected by pipeline, and described filtration cycle module is by the liquid phase after the process of primary treatment pollution discharge pond
Macromole water and various antibacterial retain, and allow the micromolecular water in liquid phase filter, to the micromolecular water after filtering
Detect；When detection the most directly discharge or reuse up to standard, when detecting at below standard then recycled back primary
The entrance point of reason pollution discharge pond；Preferably described primary treatment pollution discharge pond is set to 3～5 layers of stepped process
Pond, further preferably adds chemical agent stir process in the stepped process pond of 2nd, 3 layers reciprocal.
Liquid phase recycling module B, process pond module C, oxidation processes module D and filtration cycle module E
The processing system that combination is formed, may be used for scene and has the pressure break scene of pollution discharge pond；
Gas-solid phase integrated treatment modules A, liquid phase recycling module B, process pond module C and filtration cycle mould
The processing system that the combination of block E is formed, may be used for natural gas well pressure break scene or shale gas well is on-the-spot.
The present invention can realize efficiently processing the concentration of fracturing outlet liquid, and advanced oxidation is combined with membrane filtration
Close and utilize, it is achieved that the most directly processing of fracturing outlet liquid, end product can directly burn, discharge or
Again with, both save transport, processing cost, improve again the utilization rate of water resource, complete advocating
People's environmental protection present, present treatment technique has bigger application prospect at oil field compression fracture scene.
To sum up, the present invention can realize following beneficial effect:
One, fracturing outlet liquid can be carried out modularization centralized process.
Two, fracturing outlet liquid is processed thoroughly, protect environment.
Three, improve the recycling rate of waterused of water resource.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or essential feature
Embodiment realize.Therefore, embodiment disclosed above, for each side, is all to lift
Example illustrates, is not only.All within the scope of the present invention or within being equal to the scope of the present invention
Change and be all included in the invention.
Claims (12)
1. a fracturing outlet liquid modularity Integrated Processing System, it is characterised in that include such as lower module:
Gas-solid phase integrated treatment module, is carried out normal pressure fracturing outlet liquid in gas-solid phase integrated treatment module
Gas-liquid-solid three-phase separates, and the gas phase separated and solid phase is recycled respectively, will separate
Liquid phase be delivered to liquid phase recycling module；
Liquid phase recycling module, this liquid phase recycling module was carried by gas-solid phase integrated treatment module for reclaiming
The liquid phase come, and liquid phase is extremely processed by Pipeline transport pond module；
Processing pond module, this process pond module is for removing the oil slick in liquid phase and toward in the liquid phase after oil removing
Add drug additive, and will process after liquid phase by Pipeline transport to oxidation processes module；
Oxidation processes module, the liquid phase that the module conveying of process pond is come by oxidation processes module is carried out at oxidation
Reason, is oxidized to carbon dioxide and water by the organic substance contained in liquid phase and remaining oil slick；Carbon dioxide gas
Body is according to self gravitation emersion liquid phase, and water is added in liquid phase, and will process after liquid phase by pipeline defeated
Deliver to filtration cycle module；With
Filtration cycle module, this filtration cycle module is by the liquid phase after oxidation processes resume module
Macromole water and various antibacterial retain, and allow the micromolecular water in liquid phase filter, to the micromolecular water after filtering
Detect；When detection the most directly discharge or reuse up to standard, when detection is below standard, and recycled back liquid phase is returned
Again process after receiving module.
Modularity Integrated Processing System the most according to claim 1, it is characterised in that: described gas-solid
Phase integrated treatment module includes:
Three phase separator, is connected with fracturing outlet liquid jet pipe, for fracturing outlet liquid is carried out gas-liquid-solid three
It is separated, and liquid phase is delivered to liquid phase recycling module；
Gas phase recycling module, is connected with the gas phase mouth of three phase separator, is used for recycling three-phase separate
The gas phase separated from device；With
Solid phase recycling module, is connected with the solid phase mouth of three phase separator, is used for recycling three-phase separate
The solid phase separated from device.
Modularity Integrated Processing System the most according to claim 1, it is characterised in that: described gas-solid
Phase integrated treatment module includes:
Three phase separator, is connected with fracturing outlet liquid jet pipe, for fracturing outlet liquid is separated into solid liquid phase
Mixture and gas phase；
Gas phase recycling module, is connected with the gas phase mouth of three phase separator, is used for recycling three-phase separate
The gas phase separated from device；With
Solid phase recycling module, is connected with the lotion mouth of three phase separator, is used for recycling three-phase separate
The solid liquid phase mixture separated from device, and solid liquid phase mixture is separated into solid phase and liquid phase, to solid
Recycle mutually, liquid phase is delivered to liquid phase recycling module.
4. according to the modularity Integrated Processing System described in claim 2 or 3, it is characterised in that: institute
State gas phase recycling module to include:
Gas phase recovery device, is connected with the gas phase mouth of three phase separator, is used for reclaiming three phase separator and separates
Gas phase out；With
Gas phase ignition device, is connected with the air vent of gas phase recovery device, is used for the gas phase recovery device that ignites
The gas phase discharged.
5. according to the modularity Integrated Processing System described in Claims 2 or 3, it is characterised in that: described
Solid phase recycling module includes:
Solid phase retracting device, is connected with solid phase mouth or the lotion mouth of three phase separator, is used for reclaiming three-phase
Solid phase that separator is separated or reclaim solid liquid phase mixture that three phase separator separates and will consolidate
Liquid phase mixture is separated into solid phase and liquid phase, and liquid phase is delivered to liquid phase recycling module；With
Solid phase collection and treatment device, is connected with the outlet of solid phase retracting device, solid for collecting and storing
The solid phase that phase retracting device is discharged.
Modularity Integrated Processing System the most according to claim 1, it is characterised in that: described process
Pond module includes:
Oil interceptor, carries, through liquid phase recycling module, the liquid phase come for accommodating；
Multiple upper spacers and multiple lower clapboard, described upper spacer and described lower clapboard are pacified interlacedly respectively
It is contained in the top and bottom of described oil interceptor, and described lower clapboard is between adjacent described upper spacer；
Described upper spacer left the mouth of a river in the bottom of oil interceptor, made liquid phase logical from crossing the mouth of a river of upper spacer bottom
Cross and oil is trapped at upper spacer；Described lower clapboard left the mouth of a river on the top of described oil interceptor, used
In providing by space for liquid phase, by being arranged on the upper spacer at top and bottom and lower clapboard alternately by oil removal
Pond is partitioned into multistage oil removal district；With
Medicine adding set, medicine adding set is placed in above afterbody oil removal district, for last
Drug additive is added in the liquid phase in level oil removal district.
Modularity Integrated Processing System the most according to claim 6, it is characterised in that:
Described upper spacer is three pieces, and described lower clapboard is two pieces；Three pieces of upper spacers are distributed in oil interceptor top,
Two pieces of lower clapboards lay respectively between adjacent upper spacer, upper lower clapboard oil interceptor is divided into one-level oil removal district,
Two grades of oil removal districts and three grades of oil removal districts, described medicine adding set is placed in the top in three grades of oil removal districts.
Modularity Integrated Processing System the most according to claim 7, it is characterised in that:
Described one-level oil removal district, two grades of oil removal districts and three grades of oil removal plot structure space proportions are respectively
1:1:3～5.
Modularity Integrated Processing System the most according to claim 1, it is characterised in that: described oxidation
Processing module includes:
Oxidation container, for accommodating the liquid phase after processing pond resume module；
Ozonator, is arranged on described oxidation container top, is the liquid in oxidation container by appendix
Ozone is provided mutually；With
Ultraviolet generator, is arranged on described oxidation container bottom, produces and ozone generation radical reaction
Ultraviolet, and then the Organic substance in free radical and liquid phase and remaining oil slick generation oxidative decomposition, general
Organic substance in liquid phase and remaining oil slick Strong oxdiative generate carbon dioxide and water；Carbon dioxide is according to certainly
Heavy sensation of the body power emersion liquid phase is also discharged by exhaustor, and water is added in liquid phase, and liquid phase passes through leakage fluid dram pipeline
It is delivered to filtration cycle module.
Modularity Integrated Processing System the most according to claim 1, it is characterised in that: described mistake
Filter loop module includes:
Film filter, is connected with the leakage fluid dram of oxidation processes module, the conveying of oxidation processes module is come
Macromole water in liquid phase retains, it is allowed to the micromolecular water in liquid phase enters the discharge pipe line of film filter；
Water quality detecting device, is arranged on the discharge pipe line of film filter, for detecting micromolecular water
Discharge index, thus judges whether this discharge index reaches discharge standard；
Three-way valve, water inlet port is connected with the outlet of water quality detecting device, the first of three-way valve
Outlet is floss hole, for by water up to standard discharge or recycling；With
Non-water circle device up to standard, one end is connected with the second outlet of three-way valve, the other end and liquid
The water inlet of phase recycling module is connected, and carries out again for non-water up to standard is transmitted back to liquid phase recycling module
Process.
11. modularity Integrated Processing Systems according to claim 10, it is characterised in that: described film
Defecator includes:
Membrane cisterna, for accommodating the liquid phase after oxidation processes module aoxidizes；
Many group diaphragm pipelines, uniform are placed in described membrane cisterna, for by oxidated solution mutually in macromole
Be trapped in outside diaphragm pipeline with various antibacterials, it is allowed to oxidated solution mutually in micromolecular water enter diaphragm
Pipeline is interior and travels further on the discharge pipe line of film filter.
12. modularity Integrated Processing Systems according to claim 11, it is characterised in that: each group
Diaphragm pipeline includes:
Pottery mould bases；
Inlay the two sides being arranged at pottery mould bases cross hollow space with pottery mould bases and liquid phase is carried out
The diaphragm filtered；With
Crossing drainage delivery line, one end is corresponding with described hollow space respectively to be connected, and the other end is collected to draining
The water inlet of pipeline.
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| CN106517590A (en) * | 2016-12-07 | 2017-03-22 | 中国石油集团西部钻探工程有限公司 | Treating and recycling device for backflow fracturing fluid and treating and recycling method for backflow fracturing fluid |
| CN108975535B (en) * | 2018-07-27 | 2019-05-28 | 中国石油大学(北京) | The recovery system and method that test is split in row pressure are returned for shale gas |
| CN111072213A (en) * | 2019-12-31 | 2020-04-28 | 上海同济建设科技股份有限公司 | Zero-discharge treatment process and device for fractured rock wastewater |
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| CN101318748B (en) * | 2008-07-15 | 2011-04-13 | 濮阳市天地人环保工程技术有限公司 | Process for centralized processing of waste liquor of oil-gas field drill |
| CN101319607B (en) * | 2008-07-22 | 2011-09-14 | 濮阳市天地人环保工程技术有限公司 | Method for no-grounding treatment and comprehensive utilization of oil-gas field downhole operation output solution |
| US20130118994A1 (en) * | 2011-03-21 | 2013-05-16 | R360 Environmental Solutions | System and Methods for Wastewater and Produced Water Cleaning and Reclamation |
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| CN102923878B (en) * | 2012-10-23 | 2014-01-01 | 西安建筑科技大学 | Equipment and process for modular treatment of oil field wastewater |
| CN202988872U (en) * | 2013-01-09 | 2013-06-12 | 东北石油大学 | Device for processing fracturing flowback liquid of oil and gas field |
| CN203200112U (en) * | 2013-03-27 | 2013-09-18 | 重庆地质矿产研究院 | Shale gas fracturing flowback fluid recycling treatment device |
| CN203346191U (en) * | 2013-07-18 | 2013-12-18 | 黑龙江百世永华流体设备有限公司 | Fracturing backflow liquid treatment recovery device |
| CN203411427U (en) * | 2013-08-06 | 2014-01-29 | 华油惠博普科技股份有限公司 | Fracturing flow-back fluid treatment device |
| CN203613051U (en) * | 2013-11-05 | 2014-05-28 | 兰州万建石油设备制造有限公司 | Skid-mounted comprehensive treatment device for oilfield wastewater |
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