CN208250104U - Water treatment facilities for fracturing outlet liquid - Google Patents
Water treatment facilities for fracturing outlet liquid Download PDFInfo
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- CN208250104U CN208250104U CN201820253957.0U CN201820253957U CN208250104U CN 208250104 U CN208250104 U CN 208250104U CN 201820253957 U CN201820253957 U CN 201820253957U CN 208250104 U CN208250104 U CN 208250104U
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- outlet liquid
- fracturing outlet
- tank
- water
- treatment facilities
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a kind of water treatment facilities for fracturing outlet liquid, including sequentially connected coagulative precipitation tank, SBR biological treatment tank, oxidation water tank and monitoring water tank；The coagulative precipitation tank is equipped with flocculant chemicals dosing plant and flocculation aid chemicals dosing plant.The water treatment facilities for fracturing outlet liquid of the utility model, for the operation status and effluent quality technical requirements of current fracturing outlet liquid, in conjunction with the practice experience of water process in recent years, it is up to standard in line with guarantee effluent quality, energy saving in running is efficient, the safe and reliable and convenient for management design principle in scene, it is screened using passing through from nature, inoculation, microorganism made of domestication, handle fracturing outlet liquid, entire simple process, without being equipped with secondary settling tank, operating cost is low, it operates conveniently, sludge quantity is few, it is without secondary pollution and be able to maintain effective operation, qualified discharge, it is small using fracturing outlet liquid quantum of output to solve scene, the problem of handling place dispersion.
Description
Technical field
The utility model relates to water-treatment technology field, in particular to a kind of water treatment facilities for fracturing outlet liquid.
Background technique
Currently, oil-gas field fracturing operation be each oil gas field generally use oil, one of the major measure of oil/gas well stimulation.Especially
It is the pressure break of non-conventional well, needs special technique and massive hydraulic fracturing technology, larger amount of pressure break can be generated in fracturing process
Drain is returned, usual hundreds of sides, thousands of sides or upper all places, ingredient are sufficiently complex.Fracturing outlet liquid usually contain guanidine glue, formaldehyde,
Petroleum constituents and other various thickeners, crosslinking agent, regulator, stabilizer, hydrated agent, emulsifiers etc..Numerous additives
It is added, so that fracturing outlet liquid is had the characteristics that high CODcr value, high stability and high viscosity, and since additive types are numerous
More, the difficulty for reducing its COD value is big, is more especially not easy the hydrophily organic additive purified, it is difficult to remove from waste water.
If return the fracturing outlet liquid for draining into ground without processing outlet, it will to ambient enviroment, especially crops and earth's surface
Water causes serious pollution.
Fracturing outlet liquid has various pollutant kind, complicated component, concentration height, viscosity compared with other oil gas field sewage
Greatly, the features such as COD high, salinity are high, stability is high.Currently, domestic mainly return row to pressure break by waste liquid storage, effective re-injection
Liquid is handled.And effectively re-injection is lower with regard to current domestic industry level realization probability.At present in oilfield exploitation procedure, coal seam
Gas well dispersion, and the wastewater flow rate of the output of each coal bed gas well is not very greatly, to produce fracturing outlet liquid wastewater flow rate daily about in 50-
200 cubic metres.It is also to waste very much if each well is uneconomic with fixed sewage treatment.
Utility model content
In order to solve problems in the prior art, the utility model embodiment provides at a kind of water for fracturing outlet liquid
Manage device.The technical solution is as follows:
On the one hand, a kind of water treatment facilities for fracturing outlet liquid, including sequentially connected coagulative precipitation tank, SBR are raw
Object processing pond, oxidation water tank and monitoring water tank；Coagulative precipitation tank is equipped with flocculant chemicals dosing plant and flocculation aid chemicals dosing plant.
Further, coagulative precipitation tank is also equipped with multistage inclined tube formula separator, and inclined tube is made of alveolate leaning pipe, tiltedly
60 degree of pipe inclination angle.
Further, SBR biological treatment tank is equipped with automatic draining device and sludge pipe.
Further, oxidation water tank is connected with vent ozone destructor.
Further, monitoring water tank is equipped with COD detection device.
Further, coagulative precipitation tank is also equipped with blender.
Further, coagulative precipitation tank is provided with spoil disposal pipeline.
Further, SBR biological treatment tank lowest water level is 1.50m, peak level 3.50m.
Further, the strain being inoculated in SBR biological treatment tank is the strain by screening domestication.
Technical solution provided by the embodiment of the utility model has the benefit that returning for pressure break for the utility model
The water treatment facilities of drain, for the operation status and effluent quality technical requirements of current fracturing outlet liquid, in conjunction in recent years
The practice experience of water process, in line with guarantee effluent quality, up to standard, energy saving in running is efficiently, scene is safe and reliable and manages
Convenient design principle is managed, using from microorganism made of screening, inoculation, domestication is passed through in nature, handles fracturing outlet liquid,
Entire simple process, without being equipped with, secondary settling tank, operating cost are low, operate conveniently, sludge quantity is few, without secondary pollution and be able to maintain
The problem of effect operation, qualified discharge solve scene and use fracturing outlet liquid quantum of output small, the dispersion of processing place.
Detailed description of the invention
The technical solution in example is applied in order to illustrate more clearly of the utility model, it below will be to required in embodiment description
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the water treatment facilities embodiment for fracturing outlet liquid of the utility model.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Embodiment
As shown in Figure 1, the water treatment facilities for fracturing outlet liquid of the utility model includes: coagulative precipitation tank 1, SBR
Biological treatment tank 2, oxidation water tank 3, monitoring water tank 4, each device are sequentially connected with by pipeline.
Coagulative precipitation tank 1 is equipped with flocculant chemicals dosing plant 5, flocculation aid chemicals dosing plant 6 and blender 7.Package unit was both
Continous way processing operation, which can be used, can also be used intermittent processing operation, and the method for launching flocculant has dry type throw-in play or wet type
Throw-in play.Sewage reaches coagulative precipitation tank 1 after sewage pump (being not drawn into figure) is promoted, and efficient flocculant, height are added wherein
Coagulant etc. is imitated, optimal stirring intensity and time is selected, reaches medicament and mixed with the comprehensive of sewage, can make mixing dirty in this way
Water accelerates flocculation sedimentation, saves installation cost.
It there also is provided multistage inclined tube formula separator 8 in coagulative precipitation tank 1, inclined tube is made of alveolate leaning pipe, and inclined tube inclines
60 degree of angle.Sewage in coagulative precipitation tank 1 is flowed in drainage pipeline upwards by inclined tube bottom, and SBR biology is flowed into after collecting
Processing pond 2.Due to having good hydraulics in coagulative precipitation tank 1,60 ° of inclination angles of radial direction rate and inclined tube greatly can make to fall in
Particle and wadding body on the inner surface of inclined tube are deposited under gravity and settle.It is mixed below multistage inclined tube formula separator 8
Solidifying 1 bottom of pond of sedimentation basin designs funnel, conveniently collects silt, bottom of pond is additionally provided with sludge pipe 9 herein, can periodically carry out spoil disposal.
Coagulative precipitation tank 1 is mainly the processing that suspended matter and coloration are carried out to waste water, by useless into coagulative precipitation tank 1
Flocculant is added in water and flocculation aid carries out the flocculation of macromolecular substances and suspended matter in liquid, there is the suspended matter in water and part
The precipitating removal of machine object.The medicament of the utility model selection has flocculation ability strong, and sinking speed is fast, and layered effect is good, flocculation dress
Set feature small in size.The cooperation of coagulant and flocculant accelerates the flocculation sedimentation time, can greatly improve flocculating setting effect
Rate, the suspended matter in waste water are removed by precipitation, improve the coloration of waste water.
SBR (Sequencing Batch Reactor Activated Sludge Process, sequencing batch activated sludge
Method) biological treatment tank 2 pond body use steel construction, the micro-hole aerator 11 and sludge pipe of automatic draining device 10, acid and alkali-resistance are installed
9, lowest water level is 1.50m, peak level 3.50m in pond.SBR biological treatment tank 2 is sieved from waste water in the processing initial stage
Combine flora made of choosing, inoculation, domestication, flora salt tolerance is good, and resistance to surface activating agent is adapted to containing in fracturing outlet liquid
Complicated pollutant；Sludge concentration is not less than 2000mg/L in reaction tank, raw by automatically controlling each workshop section's creation satisfaction biology
The suitable environment deposited；Micro-hole aerator 11 is mounted on bottom of pond, provides oxygen for the microbial flora in pond；Automatic draining device 10 is pacified
Mounted in pool wall side, clear upper layer water is discharged into oxidation water tank 3 through pipeline.Automatic draining device 10 can be used hydrocone type and strain water
Device, rotation water decanter, self-floating water decanter or mechanical water decanter, the application are not specifically limited this.
SBR biological treatment tank 2 mainly handles small soluble molecules organic matter, ammonia nitrogen, total phosphorus etc. in waste water.
It is connected with ozone generator 12, feeder 13, micro-hole aerator 11 and vent ozone destructor 14 in oxidation water tank 3,
After sewage is discharged into oxidation water tank 3 by automatic draining device 10, micro-hole aerator 11 comes into full contact with ozone with waste water, both enhances
The removal effect of ozone, and the dosage of ozone is saved, energy conservation and efficient function are realized, more effectively degradation Organic substance in water
Content；Extra ozone is decomposed after destruction by vent ozone destructor 14 and is discharged, and does not generate pollution to environment.In the present embodiment
Middle feeder 13 can be not specifically limited this using devices, the application such as air compressor machines.In order to guarantee treatment effect, sewage
The residence time is not less than 30 minutes in oxidation water tank 3.
Aoxidizing water tank 3 is mainly the COD difficult to degrade removed in waste water, and ozone is uniformly dissolved in water by micro-pore aeration
In, oxidation reaction occurs for the organic matter in ozone and water, carries out oxidation removal to organic matter difficult to degrade in waste water, will be difficult to degrade
Organic matter is converted into soluble small organic molecule.
Oxidation water tank 3 treated sewage is discharged into monitoring water tank 4, guards in water tank 4 and is equipped with the 15 pairs of dirts of COD detection device
Water water quality is detected, the sewage after testing result is qualified can normal discharge, ambient enviroment will not be polluted.
The water treatment facilities for fracturing outlet liquid of the utility model, mainly removal suspends the coagulative precipitation tank 1 of leading portion
Object, various additions auxiliary agent, surfactant and part COD；Mainly removal is soluble organic for the SBR biological treatment tank 2 in middle section
Object, ammonia nitrogen, total phosphorus etc., the oxidation water tank 3 of back segment mainly remove COD, the bacterium etc. of bio-refractory；Treated, and sewage passes through
Monitoring water tank 4 detects water quality, discharges after up to standard, not up to standard, is back to coagulative precipitation tank 1 and handles again.This is practical new
Type for fracturing outlet liquid, treated that national emission standard is fully achieved in water.
The water treatment facilities for fracturing outlet liquid of the utility model, for current fracturing outlet liquid operation status and
Effluent quality technical requirements, in conjunction with the practice experience of water process in recent years, in line with guarantee effluent quality, up to standard, operation is saved
Can efficiently, the safe and reliable and convenient for management design principle in scene, using from nature by screening, inoculation, tame and docile
Microorganism made of change handles fracturing outlet liquid, and entire simple process, without being equipped with, secondary settling tank, operating cost are low, operate just
Benefit, sludge quantity are few, without secondary pollution and be able to maintain effective operation, qualified discharge, solve scene using fracturing outlet liquid output
Measure it is small, processing place dispersion the problem of.
The water treatment facilities for fracturing outlet liquid of the utility model is collection multifunctional all water treatment facilities, from building
If the various aspects such as period, use and way to manage, construction cost, operating cost and using effect comprehensively consider and evaluate, it is
Ideal chose in fracturing outlet liquid water treatment facilities at present.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of water treatment facilities for fracturing outlet liquid, which is characterized in that including sequentially connected coagulative precipitation tank, SBR
Biological treatment tank, oxidation water tank and monitoring water tank；The coagulative precipitation tank is equipped with flocculant chemicals dosing plant and flocculation aid dosing
Device.
2. being used for the water treatment facilities of fracturing outlet liquid as described in claim 1, which is characterized in that the coagulative precipitation tank is also
Multistage inclined tube formula separator is installed, inclined tube is made of alveolate leaning pipe, 60 degree of the inclined tube inclination angle.
3. being used for the water treatment facilities of fracturing outlet liquid as claimed in claim 2, which is characterized in that the SBR biological treatment
Pond is equipped with automatic draining device and sludge pipe.
4. being used for the water treatment facilities of fracturing outlet liquid as claimed in claim 3, which is characterized in that the oxidation water tank connection
There is vent ozone destructor.
5. being used for the water treatment facilities of fracturing outlet liquid as claimed in claim 4, which is characterized in that the monitoring water tank installation
There is COD detection device.
6. being used for the water treatment facilities of fracturing outlet liquid as claimed in claim 5, which is characterized in that coagulative precipitation tank is also installed
There is blender.
7. being used for the water treatment facilities of fracturing outlet liquid as claimed in claim 6, which is characterized in that coagulative precipitation tank is provided with
Spoil disposal pipeline.
8. being used for the water treatment facilities of fracturing outlet liquid as claimed in claim 7, which is characterized in that the SBR biological treatment
Pond lowest water level is 1.50m, peak level 3.50m.
9. being used for the water treatment facilities of fracturing outlet liquid as claimed in claim 8, which is characterized in that the SBR biological treatment
The strain being inoculated in pond is the strain by screening domestication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820253957.0U CN208250104U (en) | 2018-02-12 | 2018-02-12 | Water treatment facilities for fracturing outlet liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820253957.0U CN208250104U (en) | 2018-02-12 | 2018-02-12 | Water treatment facilities for fracturing outlet liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208250104U true CN208250104U (en) | 2018-12-18 |
Family
ID=64608769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820253957.0U Expired - Fee Related CN208250104U (en) | 2018-02-12 | 2018-02-12 | Water treatment facilities for fracturing outlet liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208250104U (en) |
-
2018
- 2018-02-12 CN CN201820253957.0U patent/CN208250104U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20220212 |