CN114716074A - Harmless treatment device for oil-gas field operation waste liquid - Google Patents
Harmless treatment device for oil-gas field operation waste liquid Download PDFInfo
- Publication number
- CN114716074A CN114716074A CN202110004029.7A CN202110004029A CN114716074A CN 114716074 A CN114716074 A CN 114716074A CN 202110004029 A CN202110004029 A CN 202110004029A CN 114716074 A CN114716074 A CN 114716074A
- Authority
- CN
- China
- Prior art keywords
- water
- pipeline
- circulating water
- circulating
- waste liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 239000002699 waste material Substances 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 251
- 239000008213 purified water Substances 0.000 claims abstract description 26
- 239000000126 substance Substances 0.000 claims abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000002957 persistent organic pollutant Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 5
- 241001465754 Metazoa Species 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- -1 regulator Substances 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/465—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to a harmless treatment device for oil and gas field operation waste liquid, which comprises a water tank, a power supply device, a control device and a water collector, wherein the water tank is arranged on one side of the water collector in parallel, an electrochemical reactor is arranged in the water collector, the upper part of the water collector is connected with the water inlet end of a circulating water pipeline, the water tank is connected with the water outlet end of the circulating water pipeline, the water inlet end of the circulating water pipeline is connected with the water outlet end of the circulating water pipeline through the circulating water pipeline, and the circulating water pipeline is connected with a circulating water pump; the device is provided with a raw water inlet which is connected with a circulating water pipeline through a raw water inlet pipe; the water outlet end of the circulating water pipeline is connected with the filter, the filter is connected with the water inlet end of the circulating water pipeline, and the connecting position of the raw water inlet pipe and the circulating water pipeline is positioned at the front end of the filter; the water tank is also provided with a purified water outlet which is arranged at the opposite far end of the water collector; the electrochemical reactor is connected with a control device and a power supply device. The electrochemical reactor comprises an anode and a cathode, wherein the anode is a titanium oxide polycrystalline inorganic substance electrode.
Description
Technical Field
The invention relates to the field of waste liquid treatment, in particular to a device for performing harmless treatment on oil and gas field operation waste liquid.
Background
The oil and gas field operation mainly refers to the construction operation of the oil and gas field in the process of drilling and maintaining around an oil (gas) well, and mainly comprises drilling, fracturing, downhole operation (oil-water well maintenance, oil-water well overhaul, oil layer transformation, oil testing and well flushing) and well flushing. Waste water generated in the operation construction process is collectively called operation waste liquid; the drilling waste liquid is a mixture of high-power diluent of drilling mud and oil, and has the characteristics of large water quantity, complex components, high chromaticity, high pollutant concentration, high salinity, poor biodegradability, large treatment difficulty and the like; the flowback fluid for fracturing construction contains guanidine gum, formaldehyde, petroleum and other various chemical additives containing thickening agent, cross-linking agent, regulator, stabilizer, hydrating agent, emulsifier and other components, and also contains organic and inorganic compounds, bacteria, heavy metals and the like in the stratum during the flowback process.
The influence of the operation waste liquid on the environment is mainly reflected in that the operation waste liquid pollutes surface water and underground water resources, the pollution to soil is reflected in that the soil is easy to harden, the plant growth is not favorable, even the plant growth cannot be realized, and the pollution to animals and plants is reflected in that: various heavy metals and chemical additives have influence on the growth of animals and plants, and are even enriched in animals and plants, thereby endangering human health.
The operation waste liquid is discharged directly without being treated, which causes serious influence and damage to the environment, directly or indirectly causes harm to the health of animals, plants and human beings, and can not realize the strategic goal of sustainable development of human beings on the environment and economy, so the operation waste liquid needs to be treated in a harmless way.
Disclosure of Invention
The invention aims to provide a device for harmless treatment of oil and gas field operation waste liquid, which has relatively simple process equipment and convenient operation.
The technical means adopted by the invention are as follows. A harmless treatment device for oil and gas field operation waste liquid comprises a water tank, a power supply device and a control device, wherein a water collector is further arranged, the water tank is arranged on one side of the water collector in parallel, an electrochemical reactor is arranged in the water collector, the upper part of the water collector is connected with the water inlet end of a circulating water pipeline, the water tank is connected with the water outlet end of the circulating water pipeline, the water inlet end of the circulating water pipeline is connected with the water outlet end of the circulating water pipeline through the circulating water pipeline, and the circulating water pipeline is connected with a circulating water pump; the device is provided with a raw water inlet which is connected with a circulating water pipeline through a raw water inlet pipe; the water outlet end of the circulating water pipeline is connected with the filter, the filter is connected with the water inlet end of the circulating water pipeline, and the connecting position of the raw water inlet pipe and the circulating water pipeline is positioned at the front end of the filter; the water tank is also provided with a purified water outlet which is arranged at the opposite far end of the water collector; the electrochemical reactor is connected with a control device and a power supply device.
The electrochemical reactor comprises an anode and a cathode, wherein the anode is a titanium oxide polycrystalline inorganic substance electrode.
The circulating water pipeline is provided with a circulating water electromagnetic flowmeter, and the raw water pipeline is provided with a raw water electric valve and a raw water electromagnetic flowmeter.
Is provided with a dosing port which is connected with a circulating water pipeline through a dosing pipe.
The purified water outlet is connected with a purified water outlet pipe, and the purified water outlet pipe is connected with a purified water electromagnetic flowmeter.
The water tank is provided with an overflow water outlet above the water level, and the overflow water outlet is connected with a water outlet groove.
The bottom of the water tank is provided with a drain hole.
The invention has the following beneficial effects: the device of the invention uses direct electrocatalytic oxidation of electrochemical advanced oxidation technology as a main treatment mode, and cooperates with the electro-flotation technology and the cathode reduction technology to ensure that the final operation waste liquid reaches the expected treatment recycling or discharge standard. The titanium oxide polycrystalline inorganic electrode adopted by the scheme is used as an anode, and has the characteristics of strong catalytic oxidation capacity, stable chemical and electrochemical properties, high efficiency, long service life and the like.
Drawings
FIG. 1 is a block diagram of the apparatus of the present invention.
Fig. 2 is a perspective structural diagram of a pipeline connection according to an embodiment of the present invention.
Fig. 3 is a side perspective structural schematic view of fig. 2.
Fig. 4 is a schematic top perspective view of fig. 2.
Detailed Description
As shown in fig. 1, the invention provides a harmless treatment device for oil and gas field operation waste liquid, which comprises a water tank 1, a power supply device 2 and a control device 3, wherein a water collector 4 is further arranged, the water tank 1 is arranged on one side of the water collector in parallel, water flow naturally flows into the water tank 1 from the water collector 4, an electrochemical reactor is arranged in the water collector 4, the electrochemical reactor is the existing device, the principle of the device is that hydroxyl radicals are generated by utilizing an electrochemical reaction process to attack high electron cloud density points of organic pollutant molecules in the operation waste liquid, and electron exchange and transfer are formed, so that chemical bonds of high molecular organic compounds which are difficult to degrade in the operation waste liquid are broken and decomposed into low molecular compounds which are easy to degrade; meanwhile, a large amount of other various organic free radicals with strong aggressivity, such as atomic oxygen, peroxide free radicals and the like, formed by the chain reaction excited by the hydroxyl free radical oxidation reaction are cooperated, so that organic pollutants are further subjected to oxidative decomposition until the organic pollutants are completely mineralized and degraded, and the purposes of gel breaking, decontamination (COD, ammonia nitrogen and the like), sterilization and decoloration are achieved. The electrodes with different quantities are installed according to the water quality condition, and titanium oxide polycrystalline inorganic electrodes can be used as anodes, so that the device has the characteristics of strong catalytic oxidation capability, stable chemical and electrochemical properties, high efficiency, long service life and the like.
The water collector 4 is connected with the circulating water pipeline above, the water inlet end 51 of the circulating water pipeline is connected with the water outlet end 52 of the circulating water pipeline, the circulating water pipeline water inlet end 51 and the circulating water pipeline water outlet end 52 are connected through the circulating water pipeline 5, the circulating water pipeline 5 is connected with the circulating water pump 53, the position of the circulating water pump 53 can be set according to requirements, and the circulating water pipeline 5 can also be provided with the circulating water electromagnetic flowmeter 54 at a proper position according to requirements so as to measure the water flow in the circulating water pipeline 5 at any time. A defoaming electric valve 55 can be arranged, and the defoaming electric valve 55 is connected with a circulating water defoaming pipe 551. A circulating water electro valve 56 may also be provided.
In the embodiment, circulating water passes through a water outlet end of a circulating water pipeline, sequentially passes through a circulating water electromagnetic flowmeter, a circulating water electric valve, a defoaming electric valve and a defoaming electric valve to be connected with a circulating water defoaming pipe, then enters a circulating water pump, and the outlet water of the circulating water pump enters a filter.
A raw water inlet 61 is provided, and the raw water inlet 61 is connected to the circulating water line 5 through a raw water inlet pipe 6. Raw water enters the circulating water pipeline 5 through the raw water inlet pipe 6 so as to enter the treatment device. A raw water electric valve 62 and a raw water electromagnetic flow meter 63 may be provided on the raw water inlet pipe 6 for controlling the intake of raw water and calculating the flow rate.
The water outlet end 52 of the circulating water pipeline is connected with the filter 7, and the filter 7 is connected with the water inlet end 51 of the circulating water pipeline; the filter 7 may be a security filter, and one or more filters may be provided according to the requirement. The connection position of the raw water inlet pipe 6 and the circulating water pipeline 5 is positioned at the front end of the filter 7, so that the raw water is firstly filtered and then enters the subsequent electrochemical treatment.
The water tank 1 is further provided with a purified water outlet 10, the purified water outlet 10 is arranged at the opposite far end of the water collector 4, the purified water after reaction is discharged from the purified water outlet 10, the purified water outlet 10 is connected with a purified water outlet pipe 11, and the purified water outlet pipe 11 is connected with a purified water electromagnetic flowmeter 12.
The device of the invention can increase or decrease valves, flow meters or pumps in the required pipelines according to the requirements.
The electrochemical reactor is connected to a control device 3 and a power supply device 2, and is supplied with power by the power supply device. The power supply and control means may also control and supply power to the various valves, flow meters or pumps. It is main, utilize controlling means 3 to control electrochemical reactor, according to the difference of pollutant and pollutant concentration, select suitable electric current, voltage, utilize circulation tank to carry out the water yield and dwell time and adjust, guarantee the abundant reaction, reach the purpose of breaking glue, degradation COD, BOD5, pollutants such as ammonia nitrogen, realize disinfecting, the target of decoloration simultaneously, need hardly throw chemical agent in the reaction sequence, consequently produce mud hardly, do not have the concentrate, do not have secondary pollution, green has been realized.
In order to meet special conditions, a dosing port 81 can be arranged, the dosing port 81 is connected with the circulating water pipeline 5 through a dosing pipe 8, and dosing is carried out in the whole circulating pipeline when needed. The dosing pipe can also be directly connected with the water tank 1.
The water tank 1 is positioned above the water level and can be provided with an overflow water outlet 91, the overflow water outlet 91 is connected with a water outlet tank, and the overflow tank can be prevented from overflowing through outflow when the water amount is large. The overflow water can be recovered and then introduced into the circulating water pipeline.
The bottom of the water tank 1 may also be provided with a drain 100, and if there is any sediment at the bottom, the water can enter the drain line through the drain 100 and be discharged.
As shown in fig. 2-4, which are schematic diagrams of the pipe connection structure according to the embodiment of the present invention, the structural configuration of the pipe arrangement may be changed according to the requirement.
As shown in fig. 2, in combination with fig. 3 and 4. It comprises a water tank 1, a power supply device 2 and a control device 3, in this embodiment, the whole device is arranged in a cabinet, a water collector 4 is arranged at the left side of the water tank 1, an electrochemical reactor is arranged in the water collector 4, and electrodes are arranged in the electrochemical reactor. After the water in the water collector is reacted, the water automatically flows to the right side and enters the water tank 1. An air suction opening A can be arranged above the water tank 1 and used for sucking away and discharging gas generated by the reaction. The water collector 4 is connected to the water inlet end 51 of the circulating water pipeline, in this figure, the water inlet end 51 of the circulating water pipeline is located at the upper left corner of the upper part of the water collector, the water outlet end 52 of the circulating water pipeline is located at the lower right side of the water tank 1, the water coming out from the water inlet end passes through the electromagnetic flowmeter 54 of the circulating water, the electromagnetic valve 56 of the circulating water and the defoaming electric valve 55 connected with the defoaming pipe 551 of the circulating water and enters the filter 7 (two groups in this embodiment) through the circulating water pump 53, and the water filtered by the filter passes through the circulating water pipeline 5 and is introduced into the water collector 4 through the water inlet end 51 of the circulating water pipeline, so as to complete the circulation.
The drain 100 is arranged below the rightmost side of the water tank 1 and on the right side of the water outlet end 52 of the circulating water pipeline, and the drain is not opened at ordinary times, and if sediment exists at the bottom, the water can enter the drain pipeline to be discharged by opening the drain 100. A partition plate may be disposed between the drain 100 and the water outlet 52 of the water circulating and discharging pipeline. The drain 100 may be provided in plurality. A purified water outlet 10 is arranged below the middle upper position at the right end of the water tank 1, the purified water after reaction is discharged from the purified water outlet 10, the purified water outlet 10 is connected with a purified water outlet pipe 11, and the purified water outlet pipe 11 is connected with a purified water electromagnetic flowmeter 12. An overflow water outlet 91 may be provided at a suitable position above the clean water outlet 10. In addition, a dosing port 81 is also arranged, and the dosing port 81 is communicated into the waterway system through a dosing pipe 8.
The principle of the device is that hydroxyl free radicals are generated by utilizing an electrochemical reaction process to attack high electron cloud density points of organic pollutant molecules in the operation waste liquid to form electron exchange and transfer, so that chemical bonds of high-molecular organic compounds which are difficult to degrade in the operation waste liquid are broken and decomposed into low-molecular compounds which are easy to degrade; meanwhile, a large amount of other various organic free radicals with strong aggressivity, such as atomic oxygen, peroxide free radicals and the like, formed by the chain reaction excited by the hydroxyl free radical oxidation reaction are cooperated, so that organic pollutants are further subjected to oxidative decomposition until the organic pollutants are completely mineralized and degraded, and the purposes of gel breaking, decontamination (COD, ammonia nitrogen and the like), sterilization and decoloration are achieved.
Claims (7)
1. A harmless treatment device for oil and gas field operation waste liquid is characterized by comprising a water tank, a power supply device, a control device and a water collector, wherein the water collector is arranged, the water tank is arranged on one side of the water collector in parallel, an electrochemical reactor is arranged in the water collector, the upper part of the water collector is connected with a water inlet end of a circulating water pipeline, the water tank is connected with a water outlet end of the circulating water pipeline, the water inlet end of the circulating water pipeline is connected with the water outlet end of the circulating water pipeline through the circulating water pipeline, and the circulating water pipeline is connected with a circulating water pump;
the device is provided with a raw water inlet which is connected with a circulating water pipeline through a raw water inlet pipe;
the water outlet end of the circulating water pipeline is connected with the filter, the filter is connected with the water inlet end of the circulating water pipeline, and the connecting position of the raw water inlet pipe and the circulating water pipeline is positioned at the front end of the filter;
the water tank is also provided with a purified water outlet which is arranged at the opposite far end of the water collector;
the electrochemical reactor is connected with a control device and a power supply device.
2. The oil and gas field operation waste liquid harmless treatment device according to claim 1, wherein the electrochemical reactor comprises an anode and a cathode, wherein the anode is a titanium oxide polycrystalline inorganic substance electrode.
3. The harmless treatment device for the oil and gas field operation waste liquid according to claim 1, wherein the circulating water pipeline is provided with a circulating water electromagnetic flow meter, and the raw water pipe is provided with a raw water electric valve and a raw water electromagnetic flow meter.
4. The oil and gas field operation waste liquid innocent treatment device of claim 1, wherein a dosing port is arranged and is connected with a circulating water pipeline through a dosing pipe.
5. The harmless treatment device for the oil and gas field operation waste liquid according to claim 1, wherein the purified water outlet is connected with a purified water outlet pipe, and the purified water outlet pipe is connected with a purified water electromagnetic flowmeter.
6. The oil and gas field operation waste liquid innocent treatment device of claim 1, wherein the water tank is provided with an overflow water outlet at a position above the water level, and the overflow water outlet is connected with the water outlet tank.
7. The oil and gas field operation waste liquid innocent treatment device of claim 1, wherein the bottom of the water tank is provided with a drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004029.7A CN114716074A (en) | 2021-01-04 | 2021-01-04 | Harmless treatment device for oil-gas field operation waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004029.7A CN114716074A (en) | 2021-01-04 | 2021-01-04 | Harmless treatment device for oil-gas field operation waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114716074A true CN114716074A (en) | 2022-07-08 |
Family
ID=82233613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110004029.7A Pending CN114716074A (en) | 2021-01-04 | 2021-01-04 | Harmless treatment device for oil-gas field operation waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114716074A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140374104A1 (en) * | 2013-06-24 | 2014-12-25 | Baker Hughes Incorporated | Composition and method for treating oilfield water |
| CN205419867U (en) * | 2016-01-11 | 2016-08-03 | 凯天环保科技股份有限公司 | Electro -catalysis waste water treatment integration equipment |
| CN106082399A (en) * | 2016-06-01 | 2016-11-09 | 深圳市大净环保科技有限公司 | A kind of electrochemical advanced oxidation device |
| CN107021584A (en) * | 2017-05-17 | 2017-08-08 | 天津寰宜环保科技有限公司 | Circulating type electrochemical gel breaking device and method for oilfield fracturing wastewater |
| CN207046915U (en) * | 2017-07-17 | 2018-02-27 | 河北丰源环保科技股份有限公司 | A kind of industrially scalable electrochemistry sewage disposal system |
| CN110776166A (en) * | 2019-11-29 | 2020-02-11 | 山东龙安泰环保科技有限公司 | Advanced treatment method and device for oil extraction sewage in oil field |
| CN214141927U (en) * | 2021-01-04 | 2021-09-07 | 山东海岸线环保科技有限公司 | Harmless treatment device for oil-gas field operation waste liquid |
-
2021
- 2021-01-04 CN CN202110004029.7A patent/CN114716074A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140374104A1 (en) * | 2013-06-24 | 2014-12-25 | Baker Hughes Incorporated | Composition and method for treating oilfield water |
| CN205419867U (en) * | 2016-01-11 | 2016-08-03 | 凯天环保科技股份有限公司 | Electro -catalysis waste water treatment integration equipment |
| CN106082399A (en) * | 2016-06-01 | 2016-11-09 | 深圳市大净环保科技有限公司 | A kind of electrochemical advanced oxidation device |
| CN107021584A (en) * | 2017-05-17 | 2017-08-08 | 天津寰宜环保科技有限公司 | Circulating type electrochemical gel breaking device and method for oilfield fracturing wastewater |
| CN207046915U (en) * | 2017-07-17 | 2018-02-27 | 河北丰源环保科技股份有限公司 | A kind of industrially scalable electrochemistry sewage disposal system |
| CN110776166A (en) * | 2019-11-29 | 2020-02-11 | 山东龙安泰环保科技有限公司 | Advanced treatment method and device for oil extraction sewage in oil field |
| CN214141927U (en) * | 2021-01-04 | 2021-09-07 | 山东海岸线环保科技有限公司 | Harmless treatment device for oil-gas field operation waste liquid |
Non-Patent Citations (1)
| Title |
|---|
| 马兰，杨绍利主编: "钒钛材料", 31 January 2020, 冶金工业出版社, pages: 214 - 216 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20100224495A1 (en) | Real-time processing of water for hydraulic fracture treatments using a transportable frac tank | |
| CN105540947A (en) | Method and system for processing drilling wastewater | |
| CN203144227U (en) | Integrated device for multi-level oxidation treatment of refractory wastewater | |
| WO2021073486A1 (en) | Electrolysis-ozone-corrosion inhibitor/electrolysis-ozone-hydrogen peroxide-corrosion inhibitor coupling treatment method for toxic and refractory wastewater | |
| CN109368746A (en) | A kind of high COD, difficult biochemical waste water pretreatment unit pretreatment system and method | |
| CN109485185A (en) | A kind of pulse electrochemical processing method and processing device of oil field operation waste liquid | |
| US9038725B2 (en) | Method and system for servicing a wellbore | |
| CN214141927U (en) | Harmless treatment device for oil-gas field operation waste liquid | |
| CN103588333A (en) | Oilfield fracturing wastewater treatment equipment | |
| CN205313336U (en) | Flowing back processing system is returned to multi -functional integrated oil field fracturing of sled dress formula | |
| CN103288249A (en) | Process and device for electric cracking catalytic oxidation and electric flocculation for petroleum drilling wastewater | |
| CN112142257A (en) | Mine water treatment device | |
| CN114716074A (en) | Harmless treatment device for oil-gas field operation waste liquid | |
| CN108975600B (en) | Ground comprehensive treatment platform for thickened oil sewage | |
| CN1800041A (en) | Electrolystic sterilization apparatus for oil field affusion | |
| CN206359358U (en) | Dye waste water treatment system | |
| CN207391163U (en) | A kind of oilfield drilling fracturing outlet liquid processing equipment | |
| CN213446736U (en) | Oil field waste water treatment device | |
| CN107445413A (en) | A kind of method that comprehensive high-efficiency administers coking chemical waste water | |
| CN114590972A (en) | Treatment method and treatment system for oilfield drilling fracturing flow-back fluid | |
| CN114380436A (en) | System and method for treating wastewater containing polymer and colloid through plasma combination | |
| CN109052753B (en) | Reinjection water treatment system and reinjection water treatment method | |
| CN206599468U (en) | Photochemical catalytic oxidation pressure break returns blowdown water treatment facilities | |
| RU87697U1 (en) | SYSTEM OF CLEANING OF GROUND WATER WITH A LOW OXIDATIVE-REDUCING CAPACITY, ADDITIONALLY ADDITIONAL AND FOR RETAINING ANTROPOLOGICAL EXPOSURE TO HARMFUL SUBSTANCES | |
| CN112358014B (en) | Flocculation treatment process based on electric field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |