CN203411425U - Oil field fracturing flow-back liquid wastewater treatment equipment - Google Patents
Oil field fracturing flow-back liquid wastewater treatment equipment Download PDFInfo
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- CN203411425U CN203411425U CN201320516250.1U CN201320516250U CN203411425U CN 203411425 U CN203411425 U CN 203411425U CN 201320516250 U CN201320516250 U CN 201320516250U CN 203411425 U CN203411425 U CN 203411425U
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Abstract
The utility model discloses oil field fracturing flow-back liquid wastewater treatment equipment. The oil field fracturing flow-back liquid wastewater treatment equipment comprises a raw water tank and a wastewater lift pump, wherein a water outlet of the wastewater lift pump is connected to a water inlet of a shear pump through a chemical dosing device I, a water outlet of the shear pump is connected to a water inlet of a pretreatment separating tank, a water outlet of the pretreatment separating tank is communicated with a horizontal decanter centrifuge and an inlet of a filtering tank respectively, an outlet of the filtering tank is communicated with an inlet of a first tiny bubble generator, the inlet of the first tiny bubble generator is also communicated with an outlet of an ozone generator, an inlet of the ozone generator is communicated with an outlet of an air compressor, an outlet of the first tiny bubble generator is connected to an inlet of an oxidation tank, an ultrasonic generator is arranged on the oxidation tank, an outlet of the oxidation tank is communicated with an inlet of an air floating separator, an outlet of the air floating separator passes through the filter and then enters a clear water tank, and an inlet of a second tiny bubble generator is also connected to the outlet of the air compressor. The oil field fracturing flow-back liquid wastewater treatment equipment can be used for realizing the high-efficiency and low-cost treatment of oil field fracturing flow-back liquid wastewater and is simple to operate.
Description
Technical field
The utility model belongs to oil extraction in oil field technical field, is specifically related to a kind of oil field compression fracture and returns discharge opeing sewage disposal device.
Background technology
Oil field compression fracture returns discharge opeing waste disposal plant at present, and the main method of employing has flocculation sedimentation, dissolved air flotation method, electrochemistry flocculence and centrifugal separation etc., often adopts the combination of above-mentioned several method in the process of actual treatment sewage.But the increasing along with oil-field development difficulty, the exploitation of low permeability layer oil reservoir in a large amount of, all to adopt fracturing technique, the particularly exploitation of horizontal well and shale gas, pressure break scale is increasing, and the fracturing outlet liquid sewage water yield progressively increases, the current domestic effective fracturing outlet liquid treatment process that also do not have, oil field compression fracture returns discharge opeing sewage water treatment method efficiently, is the active demand that solves current environment problem.
Although domestic fracturing liquid treatment technology has also reached higher level, also Shortcomings at present.The fracturing fluid recovery (backflow) liquid (as slippery water system) lower to polluting, polymkeric substance raffinate content is less, by level Four even Pyatyi process, can reach national secondary discharge standard, but technique is too complicated, field is not easy to operate, and cost consumption is huge, is difficult to enter production reality; For the fracturing outlet liquid of high polymers high pollution, also do not form a set of complete treatment process system, let alone reach discharging standards.Therefore,, along with the continuous progress of science and technology, high-effect integrated oil field compression fracture returns the focus that discharge opeing sewage disposal equipment becomes research.
Utility model content
The utility model provides a kind of oil field compression fracture to return discharge opeing sewage disposal device in order to overcome above-mentioned technical problem, effectively realized oil field compression fracture is returned discharge opeing wastewater efficient, processed cheaply, and realized in well site returning the processing of discharge opeing, the object that reaches discharge and reuse, technological process and the operating process of this equipment are simple.
The utility model is to be achieved through the following technical solutions:
A kind of oil field compression fracture returns discharge opeing sewage disposal device, comprise former pond and be positioned over the sewage pump that returns discharge opeing sewage in former pond for extracting oil field compression fracture, the water outlet of described sewage pump is connected with the water inlet of shearing pump through 1# chemicals dosing plant, the water outlet of described shearing pump is connected with the water inlet of pre-treatment separating tank, the water outlet of pre-treatment separating tank divides two-way, one tunnel is the clear water output on top, one tunnel is the sewage outlet of bottom, sewage outlet is connected with the entrance of horizontal screw centrifuge, the clear water of horizontal screw centrifuge outlet enters former pond, clear water output divides two-way, one road flows into former pond, one tunnel is connected with the entrance of hay tank, the outlet of hay tank is connected with the first micro-bubble generator entrance through the first blower pump for pipeline,
The entrance of described the first micro-bubble generator is also connected with the outlet of ozonizer, the entrance of ozonizer is connected with the outlet of air compressor machine, the outlet of the first micro-bubble generator is connected with the entrance of oxidation tank, on oxidation tank, be provided with ultrasonic generator, the outlet of oxidation tank is through second pipe topping-up pump, 4# chemicals dosing plant, the second micro-bubble generator is connected with air flotation separator entrance, the outlet of air flotation separator is divided into two-way, one tunnel is used for discharging dirt, through filter, laggard to enter clean water basin standby on one tunnel, the second micro-bubble generator entrance is also connected with air compressor machine outlet.
Between described sewage pump and 1# chemicals dosing plant, be provided with strainer.
Between the water inlet of the water outlet of described shearing pump and pre-treatment separating tank, be provided with 2# chemicals dosing plant.
Described pre-treatment separating tank comprises mixing canister and two large tanks of mixing, the water outlet of described shearing pump is connected with the water inlet that mixes canister, the water outlet that mixes canister divides outlet at bottom and top exit, outlet at bottom flows into former pond after mixing with horizontal screw centrifuge outlet, top exit is connected with two entrances that mix large tank respectively, the outlet that mixes large tank divides two-way, one tunnel is the clear water output on top, one tunnel is the sewage outlet of bottom, after mixing, the clear water output of two large tanks of mixing is connected with former pond with the entrance of hay tank respectively, sewage outlet mixes and is connected with the entrance of horizontal screw centrifuge by 3# chemicals dosing plant.
The outlet of the second described micro-bubble generator is connected with one-level air flotation separator entrance, the outlet of one-level air flotation separator divides two-way, one tunnel is used for discharging dirt, another road connects two secondary air-floatation separators that are set up in parallel, the entrance of two secondary air-floatation separators is also respectively arranged with the 3rd micro-bubble generator, and the entrance of the 3rd micro-bubble generator is connected with air compressor machine, and the outlet of secondary air-floatation separator divides two-way, one tunnel is used for discharging dirt, and another road is connected with filter inlet.
The outlet of the described secondary air-floatation separator respectively grade one filter arranged side by side with two is connected, after the water outlet mixing of two grade one filters arranged side by side, the entrance of the secondary filter arranged side by side with two is connected respectively, and it is standby that the outlet of two secondary filters arranged side by side enters clean water basin after mixing.
Described grade one filter is Double-filter material filter; Secondary filter is activated charcoal filter.
The ingress of described horizontal screw centrifuge is also connected with pipe pressurizing pump outlet, and pipe pressurizing pump outlet is also connected with the entrance of the first blower pump for pipeline.
Compared with prior art, the utlity model has following useful technique effect:
A kind of oil field compression fracture returns discharge opeing sewage disposal device, by adopting shearing pump to return discharge opeing sewage to the oil field compression fracture in former pond, carry out mechano-degradation, and by 1# chemicals dosing plant, it is carried out to chemical degradation, oil field compression fracture is returned to the larger molecular organics degraded containing in discharge opeing sewage, remove most organism and impurity in sewage, can significantly reduce like this ozone-depleting amount and the equipment energy consumption of subsequent oxidation technique.Simultaneously, this equipment adopts high efficiency composition ultrasonic ozone oxidizing process, larger molecular organics residual in water, microorganism and bacterium exhaustive oxidation are fallen, and by ozonizer, ozone gas is dispersed into nano level microbubble, improve speed and the efficiency of oxidation, and utilize hyperacoustic cavitation performance of certain frequency, make the polymkeric substance oxidation of further degrading, reach the object of exhaustive oxidation polymkeric substance, also improved the utilization ratio of ozone simultaneously, further reduced energy consumption.
Simultaneously, after larger molecular organics oxidation in sewage is complete, through 4# chemicals dosing plant, in water body, add flocculation agent, allow degradation product, microorganism and bacterium corpse, stratum mineral suspension thing, mechanical impurity and little oil droplet take off steady cohesion, from water body, remove, then passing through air flotation separator, airtight, remove efficiently the impurity of flocculation, and by strainer double filtering and activated charcoal filter, utilize filtrate to hold back characteristic and the charcoal absorption characteristic of dirt, further improve effluent quality.
Further, the air flotation separator in the utility model is small and exquisite, efficient, work continuously, and movement-less part, non-maintaining, do not need backwash, running cost is low.
In addition, this equipment also has following characteristics:
1) have simple in structure, lightweight, easy to operate with conveniently become sled;
2) device interior does not have rotatable parts, and maintenance needs is low, long service life;
3) processing efficiency is large, treatment effect good, running cost is low;
4) equipment can be accomplished zero release, and sewage reclaims, and drying sludge solidifies;
5) can be by be reduced to≤5mg/L of the oil-containing in water;
6) water outlet suspended solid≤10mg/L;
7) kinetic viscosity (mPa.s) (20 ℃)≤1.5;
8) SRB(∕ mL)≤n * 10;
9) TGB(∕ mL)≤n * 102;
10) FB(∕ mL)≤n * 102;
11) iron (mg ∕ L)≤0.5;
12) sulfide (mg ∕ L)≤1.0;
13) equipment performance is reliable, and running cost is low.
Accompanying drawing explanation
A kind of oil field compression fracture that Fig. 1 provides for the utility model returns the structural representation of discharge opeing sewage disposal device always schemes;
A kind of oil field compression fracture that Fig. 2 provides for the utility model returns the pretreatment unit structural representation in discharge opeing sewage disposal device;
A kind of oil field compression fracture that Fig. 3 provides for the utility model returns the oxidizing treater structural representation in discharge opeing sewage disposal device;
A kind of oil field compression fracture that Fig. 4 provides for the utility model returns the filter apparatus configuration schematic diagram in discharge opeing sewage disposal device.
Wherein, 1 is sewage pump; 2 is strainer; 3 is 1# chemicals dosing plant; 4 is shearing pump; 5 is 2# chemicals dosing plant; 6 for mixing canister; 7 for mixing large tank; 8 is hay tank; 9 is the first blower pump for pipeline; 10 is horizontal screw centrifuge; 11 is 3# chemicals dosing plant; 12 is former pond; 13 is air compressor machine; 14 is ozonizer; 15 is ultrasonic generator; 16 is oxidation tank; 17 is the first micro-bubble generator; 18 is second pipe topping-up pump; 19 is 4# chemicals dosing plant; 20 is the second micro-bubble generator; 21 is one-level air flotation separator; 22 is the 3rd micro-bubble generator; 23 is secondary air-floatation separator; 24 is grade one filter; 25 is secondary filter.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, described in be to explanation of the present utility model rather than restriction.
Referring to Fig. 1 to Fig. 4, a kind of oil field compression fracture returns discharge opeing sewage disposal device, comprise former pond 12 and be positioned over the sewage pump 1 that returns discharge opeing sewage in former pond 12 for extracting oil field compression fracture, the water outlet of described sewage pump 1 is through filter 2, 1# chemicals dosing plant 3 is connected with the water inlet of shearing pump 4, the water outlet process 2# chemicals dosing plant 5 of described shearing pump 4 is connected with the water inlet of the mixing canister 6 in pre-treatment separating tank, the water outlet that mixes canister 6 divides outlet at bottom and top exit, outlet at bottom flows into former pond 12 after mixing with horizontal screw centrifuge 10 outlets, top exit is connected with two entrances that mix large tank 7 in pre-treatment separating tank respectively, the outlet that mixes large tank 7 divides two-way, one tunnel is the clear water output on top, one tunnel is the sewage outlet of bottom, sewage outlet mixes and is connected with the entrance of horizontal screw centrifuge 10 by 3# chemicals dosing plant 11, the clear water of horizontal screw centrifuge 10 outlets enters former pond 12, two clear water outputs that mix large tank 7 mix rear minute two-way, one road flows into former pond 12, one tunnel is connected with the entrance of hay tank 8, the outlet of hay tank 8 is connected with the first micro-bubble generator 17 entrances through the first blower pump for pipeline 9, the ingress of described horizontal screw centrifuge 10 is also connected with pipe pressurizing pump outlet, and pipe pressurizing pump outlet is also connected with the entrance of the first blower pump for pipeline 9.
The entrance of described the first micro-bubble generator 17 is also connected with the outlet of ozonizer 14, the entrance of ozonizer 14 is connected with the outlet of air compressor machine 13, the outlet of the first micro-bubble generator 17 is connected with the entrance of oxidation tank 16, on oxidation tank 16, be provided with ultrasonic generator 15, the outlet of oxidation tank 16 is through second pipe topping-up pump 18, 4# chemicals dosing plant 19, the second micro-bubble generator 20 is connected with one-level air flotation separator 21 entrances, the outlet of one-level air flotation separator 21 divides two-way, one tunnel is used for discharging dirt, another road connects two secondary air-floatation separators 23 that are set up in parallel, the entrance of two secondary air-floatation separators 23 is also respectively arranged with the 3rd micro-bubble generator 22, the entrance of the 3rd micro-bubble generator 22 is connected with air compressor machine 13, the outlet of secondary air-floatation separator 23 divides two-way, one tunnel is used for discharging dirt, another road grade one filter 24 arranged side by side with two is connected, after the water outlet mixing of two grade one filters arranged side by side 24, the entrance of the secondary filter 25 arranged side by side with two is connected respectively, it is standby that the outlet of two secondary filters arranged side by side 25 enters clean water basin after mixing, the second micro-bubble generator 20 entrances are also connected with air compressor machine 13 outlets.Wherein, grade one filter 24 is Double-filter material filter; Secondary filter 25 is activated charcoal filter.
Principle of work of the present utility model be former water through shearing pump, after shear degradation, add chemical degradation medicament, send into pre-treatment separating tank, at the bottom of tank, the dirt such as mud enters in horizontal screw centrifuge, the water of horizontal screw centrifuge separation is discharged to former pond, mud pack.The water outlet of pre-treatment tank, enter oxidation tank, residual polymkeric substance, bacterium and microorganism in water, under ozone and hyperacoustic acting in conjunction, quick exhaustive oxidation, this device ozone circulates by the first micro-bubble generator access arrangement, is dispersed in the ozone bubbles in sewage, can reach Nano grade.The sewage of exhaustive oxidation, then by 4# chemicals dosing plant, add after flocculation agent, enter airtight air flotation separator, in air flotation separator, under the effect of flocculation agent and microbubble, dirt and water body are separately, dirt enters former pond, water enters strainer, after Double-filter material filter and activated charcoal filter two-stage filtration, enters clean water basin standby.
Referring to Fig. 2, the pretreatment unit working process that the utility model provides, oil field compression fracture in former pond 12 is returned to discharge opeing sewage, by sewage pump 1, strainer 2,1# chemicals dosing plant 3, shearing pump 4,2# chemicals dosing plant 5, enter and mix canister 6, through being mixed into fully 2, mix large tank 7, from mixing large tank 7 moisture out, be two parts, large pot bottom effluent sewerage, clear water is discharged on large tank top, clear water, through hay tank 8, enters the first blower pump for pipeline 9, enters down technique one; The sewage that mixes large tank 7 is discharged to horizontal screw centrifuge 10 at the bottom of by tank and removes Separation of Water and mud, and before sewage enters horizontal screw centrifuge, mud is directly packed, and separated clear water enters former pond, by 3# chemicals dosing plant 11 is set, improves centrifuge separating effect.
Containing organic polymer sewage, enter physics shearing pump 4 at a high speed, in this process, add the combination of various medicines, high-speed shearing machine, except shearing simultaneously, can also play the effect of high-speed mixing medicine and water, and then through mixing canister 6 short mix, then through mixing the slowly reaction fully of large tank 7, it is assorted that flocculation produces a large amount of dirts, dirty mixing enters horizontal screw centrifuge 10 by 7 discharges at the bottom of mixing large tank, by horizontal screw centrifuge desliming, sewage returns to sewage lagoon, and mud directly packs.
As shown in Figure 3, the working process of the oxidation unit that the utility model provides, through pretreatment unit treated water and ozone, jointly through the first micro-bubble generator 17, enter oxidation tank 16, under the common effect of ultrasonic wave and ozone, there is Quick Oxidation, organic impurity remaining in sewage is oxidized away in oxidation tank 16, before entering second pipe topping-up pump 18, give in water sample and add again medicine by 4# chemicals dosing plant 19, make the water sample impurity after oxidation can in suitable air flotation separator, carry out dissolved air flotation work, under the effect of the 3rd micro-bubble generator 22, give in sewage a large amount of micro-bubbles is provided, micro-bubble is floating the impurity being suspended in sewage, by dissolved air flotation, foreign material are separated from bottom, by secondary air-floatation separator 23, dirt is mixed and got rid of, water enters down technique one, filtration process.
At oil field compression fracture, returning the ozone in the pretreated water that discharge opeing sewage obtains after pre-treatment, ozonizer 14 being produced is evenly distributed in sewage through the first micro-bubble generator 17, the ul-trasonic irradiation producing by ultrasonic generator 15, improve oxygen efficiency and oxidation rate, oxidation sewage later, passing through 4# chemicals dosing plant 19, by 18 superchargings of second pipe topping-up pump and under the second micro-bubble generator 20 effects, micro-bubble and water are mixed into air flotation separator, under the effect of micro-bubble, dirt is separated from waste water, at the bottom of tank, discharge.
Referring to Fig. 4, filtration unit of the present utility model is comprised of grade one filter 24 and secondary filter 25, through pre-treatment, oxidation, air supporting water later, again by two-stage filtration, makes it to arrive use standard.
The utility model oil field compression fracture returns discharge opeing sewage disposal equipment, and technique is mainly divided into 6 parts:
1. pretreatment technology, the method that adopts mechano-degradation and chemical degradation to combine, by the larger molecular organics degraded containing in fracturing outlet liquid, remove most organism and impurity in sewage, can significantly reduce like this ozone-depleting amount and the equipment energy consumption of subsequent oxidation technique.
2. high efficiency composition ultrasonic ozone oxidizing process, falls larger molecular organics residual in water, microorganism and bacterium exhaustive oxidation, has adopted proprietary ozone dispersing apparatus, and ozone gas is dispersed into nano level microbubble, improves speed and the efficiency of oxidation.Utilize hyperacoustic cavitation performance of certain frequency, make the polymkeric substance oxidation of further degrading, reach the object of exhaustive oxidation polymkeric substance, also improved the utilization ratio of ozone simultaneously, further reduced energy consumption.
3. flocculation process, larger molecular organics oxidation in sewage is complete after, in water body, add flocculation agent, allow the de-steady cohesion of degradation product, microorganism and bacterium corpse, stratum mineral suspension thing, mechanical impurity and little oil droplet, from water body, remove.
4. airtight air supporting scrubbing technique, this technique has been used the device that has independent intellectual property right, airtight, removes efficiently the impurity of flocculation, and the advantage of core is exactly small and exquisite, efficient, work continuously, movement-less part, non-maintaining, do not need backwash, running cost is low.
5. filtration process, double filtering and activated charcoal filter, utilize filtrate to hold back characteristic and the charcoal absorption characteristic of dirt, further improves effluent quality.
6. sludge treatment technique, isolated mud in system, entered centrifugation pack.
This device adopts mechanical shearing and chemical degradation preconditioning technique, degree of depth Quick Oxidation technology, eddy flow centrifugal separation technique, microbubble is controlled dissolved air flotation technology and Filtration Adsorption technology, combined, oil field compression fracture is returned to polymkeric substance (hydroxypropyl guar or the polyacrylamide) degraded in discharge opeing sewage, oxidation, and by microorganism and killing bacteria, pass through cyclone air-flotation, by degradation product, microorganism and bacterium corpse, stratum mineral suspension thing, mechanical impurity and little oil droplet collect, from water, separate, thereby reach the object that oil field compression fracture returns discharge opeing sewage purification and reuse.
Compared with the prior art the utility model has following characteristics:
1) have simple in structure, lightweight, easy to operate with conveniently become sled;
2) device interior does not have rotatable parts, and maintenance needs is low, long service life;
3) processing efficiency is large, treatment effect good, running cost is low;
4) equipment can be accomplished zero release, and sewage reclaims, and drying sludge solidifies;
5) can be by be reduced to≤5mg/L of the oil-containing in water
6) water outlet suspended solid≤10mg/L
7) kinetic viscosity (mPa.s) (20 ℃)≤1.5
8) SRB(∕ mL)≤n * 10
9) TGB(∕ mL)≤n * 102
10) FB(∕ mL)≤n * 102
11) iron (mg ∕ L)≤0.5
12) sulfide (mg ∕ L)≤1.0
13) equipment performance is reliable, and running cost is low.
Claims (8)
1. an oil field compression fracture returns discharge opeing sewage disposal device, it is characterized in that, comprise former pond (12) and be positioned over the sewage pump (1) that returns discharge opeing sewage in former pond (12) for extracting oil field compression fracture, the water outlet of described sewage pump (1) is connected with the water inlet of shearing pump (4) through 1# chemicals dosing plant (3), the water outlet of described shearing pump (4) is connected with the water inlet of pre-treatment separating tank, the water outlet of pre-treatment separating tank divides two-way, one tunnel is the clear water output on top, one tunnel is the sewage outlet of bottom, sewage outlet is connected with the entrance of horizontal screw centrifuge (10), the clear water of horizontal screw centrifuge (10) outlet enters former pond (12), clear water output divides two-way, one road flows into former pond (12), one tunnel is connected with the entrance of hay tank (8), the outlet of hay tank (8) is connected with the first micro-bubble generator (17) entrance through the first blower pump for pipeline (9),
The entrance of described the first micro-bubble generator (17) is also connected with the outlet of ozonizer (14), the entrance of ozonizer (14) is connected with the outlet of air compressor machine (13), the outlet of the first micro-bubble generator (17) is connected with the entrance of oxidation tank (16), on oxidation tank (16), be provided with ultrasonic generator (15), the outlet of oxidation tank (16) is through second pipe topping-up pump (18), 4# chemicals dosing plant (19), the second micro-bubble generator (20) is connected with air flotation separator entrance, the outlet of air flotation separator is divided into two-way, one tunnel is used for discharging dirt, through filter, laggard to enter clean water basin standby on one tunnel, the second micro-bubble generator (20) entrance is also connected with air compressor machine (13) outlet.
2. oil field compression fracture according to claim 1 returns discharge opeing sewage disposal device, it is characterized in that, between described sewage pump (1) and 1# chemicals dosing plant (3), is provided with strainer (2).
3. oil field compression fracture according to claim 1 returns discharge opeing sewage disposal device, it is characterized in that, between the water outlet of described shearing pump (4) and the water inlet of pre-treatment separating tank, is provided with 2# chemicals dosing plant (5).
4. according to the oil field compression fracture described in claim 1 or 3, return discharge opeing sewage disposal device, it is characterized in that, described pre-treatment separating tank comprises mixing canister (6) and two mixing large tanks (7), the water outlet of described shearing pump (4) is connected with the water inlet that mixes canister (6), the water outlet that mixes canister (6) divides outlet at bottom and top exit, outlet at bottom flows into former pond (12) after mixing with horizontal screw centrifuge (10) outlet, top exit is connected with two entrances that mix large tank (7) respectively, the outlet that mixes large tank (7) divides two-way, one tunnel is the clear water output on top, one tunnel is the sewage outlet of bottom, the clear water output of two large tanks of mixing (7) is connected with former pond (12) with the entrance of hay tank (8) respectively after mixing, sewage outlet mixes and is connected with the entrance of horizontal screw centrifuge (10) by 3# chemicals dosing plant (11).
5. oil field compression fracture according to claim 1 returns discharge opeing sewage disposal device, it is characterized in that, the outlet of described the second micro-bubble generator (20) is connected with one-level air flotation separator (21) entrance, the outlet of one-level air flotation separator (21) divides two-way, one tunnel is used for discharging dirt, another road connects two secondary air-floatation separators (23) that are set up in parallel, the entrance of two secondary air-floatation separators (23) is also respectively arranged with the 3rd micro-bubble generator (22), the entrance of the 3rd micro-bubble generator (22) is connected with air compressor machine (13), the outlet of secondary air-floatation separator (23) divides two-way, one tunnel is used for discharging dirt, another road is connected with filter inlet.
6. oil field compression fracture according to claim 5 returns discharge opeing sewage disposal device, it is characterized in that, the outlet of described secondary air-floatation separator (23) the respectively grade one filter (24) arranged side by side with two is connected, after the water outlet mixing of two grade one filters arranged side by side (24), the entrance of the secondary filter (25) arranged side by side with two is connected respectively, and it is standby that the outlet of two secondary filters arranged side by side (25) enters clean water basin after mixing.
7. oil field compression fracture according to claim 6 returns discharge opeing sewage disposal device, it is characterized in that, described grade one filter (24) is Double-filter material filter; Secondary filter (25) is activated charcoal filter.
8. oil field compression fracture according to claim 1 returns discharge opeing sewage disposal device, it is characterized in that, the ingress of described horizontal screw centrifuge (10) is also connected with pipe pressurizing pump outlet, and pipe pressurizing pump outlet is also connected with the entrance of the first blower pump for pipeline (9).
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| CN201320516250.1U CN203411425U (en) | 2013-08-22 | 2013-08-22 | Oil field fracturing flow-back liquid wastewater treatment equipment |
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| CN201320516250.1U CN203411425U (en) | 2013-08-22 | 2013-08-22 | Oil field fracturing flow-back liquid wastewater treatment equipment |
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| CN104086026A (en) * | 2014-07-08 | 2014-10-08 | 王宝辉 | Efficient innocent treatment device and efficient innocent treatment method for oil-gas field fracturing wastewater |
| CN104418452A (en) * | 2013-08-22 | 2015-03-18 | 陕西宇清油田水处理技术有限公司 | Oil field fracturing flowback fluid sewage treatment equipment |
| CN104445522A (en) * | 2014-11-05 | 2015-03-25 | 中国石油集团川庆钻探工程有限公司 | Method for treating backflow fracturing fluid reclaimed from exploitation of shale gas |
| CN104710064A (en) * | 2015-03-19 | 2015-06-17 | 北京欧泰克能源环保工程技术股份有限公司 | Method and device for processing polymer-contained waste liquid and fracturing flow-back fluid |
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| CN104418452B (en) * | 2013-08-22 | 2016-06-08 | 陕西宇清油田水处理技术有限公司 | A kind of oil field compression fracture returns discharge opeing sewage disposal device |
| CN104418452A (en) * | 2013-08-22 | 2015-03-18 | 陕西宇清油田水处理技术有限公司 | Oil field fracturing flowback fluid sewage treatment equipment |
| CN104086026A (en) * | 2014-07-08 | 2014-10-08 | 王宝辉 | Efficient innocent treatment device and efficient innocent treatment method for oil-gas field fracturing wastewater |
| CN105565449B (en) * | 2014-10-11 | 2018-03-20 | 中国石油化工股份有限公司 | A kind of preprocess method of fracturing outlet liquid |
| CN105565449A (en) * | 2014-10-11 | 2016-05-11 | 中国石油化工股份有限公司 | Pretreatment method of flown back fracturing fluid |
| CN104445522B (en) * | 2014-11-05 | 2016-03-16 | 中国石油集团川庆钻探工程有限公司 | Shale gas reuse fracturing outlet liquid treatment process |
| CN104445522A (en) * | 2014-11-05 | 2015-03-25 | 中国石油集团川庆钻探工程有限公司 | Method for treating backflow fracturing fluid reclaimed from exploitation of shale gas |
| CN104710064A (en) * | 2015-03-19 | 2015-06-17 | 北京欧泰克能源环保工程技术股份有限公司 | Method and device for processing polymer-contained waste liquid and fracturing flow-back fluid |
| CN105126697A (en) * | 2015-08-25 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Fracturing fluid mass flow continuous liquid preparation system for hydraulic fracturing and liquid preparation process of system |
| CN106430742A (en) * | 2016-12-15 | 2017-02-22 | 南京中船绿洲环保有限公司 | Method for pretreating petroleum fracturing liquid wastewater |
| CN110482759A (en) * | 2019-08-28 | 2019-11-22 | 宜兴国际环保城科技发展有限公司 | A kind of comprehensive waste liquid multiplexed combination recovery processing technique of oilfield operation |
| CN110510798A (en) * | 2019-08-29 | 2019-11-29 | 兰州正丰石油化工技术装备有限责任公司 | A method of with microbubble advanced treating ternary composite flooding water extraction |
| CN110510798B (en) * | 2019-08-29 | 2021-08-24 | 兰州正丰石油化工技术装备有限责任公司 | Method for deeply treating ASP flooding produced water by using microbubbles |
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