CN211921213U - Gas field water treatment system - Google Patents
Gas field water treatment system Download PDFInfo
- Publication number
- CN211921213U CN211921213U CN201922464138.8U CN201922464138U CN211921213U CN 211921213 U CN211921213 U CN 211921213U CN 201922464138 U CN201922464138 U CN 201922464138U CN 211921213 U CN211921213 U CN 211921213U
- Authority
- CN
- China
- Prior art keywords
- water
- inner cylinder
- cylinder body
- water outlet
- communicated
- 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.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a gas field water treatment system, which comprises an oil, mud and water three-phase separation device, a microbial reaction tank, a tubular membrane filtering device and a water outlet tank, wherein the water outlet of the oil, mud and water three-phase separation device is communicated with the water inlet of the microbial reaction tank through an intermediate pipeline, and the water outlet of the microbial reaction tank is communicated with the tubular membrane filtering device through a water outlet pipeline; the concentrated water outlet of the tubular membrane filtering device is communicated with the microbial reaction tank through a concentrated water pipeline, a concentrated water branch pipe is arranged on the concentrated water pipeline, the concentrated water branch pipe and the water outlet pipeline are communicated to form a tubular membrane filtering device return pipeline, and the clear water outlet of the tubular membrane filtering device is communicated with the water outlet tank through a clear water pipeline. The utility model provides a system has saved traditional filter, has not had the filter material to change, and the useless problem of handling of danger, device system need not to add medicine, quality of water is not modified, goes out water stable in quality of water and is superior to the gas field water reinjection standard.
Description
Technical Field
The utility model relates to a waste water treatment field especially relates to a gas field water treatment system.
Background
In the basin containing oil and gas, the water-bearing rock system is subjected to geological development changes such as deposition, shallow burying, deep burying, deterioration, leaching and the like, so that active ion exchange action is generated among oil, water and gas, the chemical property of reservoir water is changed, and new water quality containing special chemical components is formed. It has high salt content, and its mineralization is several tens thousands to hundreds thousands mg/L, some as high as over million mg/L. The water contains potassium, sodium, calcium, magnesium and other ions, iodine, boron and other ions. Besides, the oil-water mixture also contains a large amount of suspended substances, oil, sulfides, oil field chemical additives and other organic matters. Such as drilling fluids, fracturing fluids, etc. that penetrate the formation during drilling, and may also include corrosive materials, such as those resulting from corrosion of pipes, equipment, etc. Therefore, before entering the reinjection well, impurities in the formation water need to be cleaned so as to keep the reinjection well unblocked and ensure reinjection performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas field water treatment system.
The utility model discloses an innovation point lies in the utility model provides a system has saved traditional filter, has not had the filter material to change, and the useless processing problem of danger, device system need not to add medicine, quality of water is not modified, goes out water stable in quality of water and is superior to the gas field water reinjection standard.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that: a gas field water treatment system comprises an oil, mud and water three-phase separation device, a microbial reaction tank, a tubular membrane filtration device and a water outlet tank; the oil, mud and water three-phase separation device comprises a cylinder body, wherein three layers of inner cylinder bodies are arranged in the cylinder body, namely a first inner cylinder body, a second inner cylinder body and a third inner cylinder body from outside to inside; the bottom of the first inner cylinder, the bottom of the second inner cylinder and the bottom of the third inner cylinder are all conical and have openings at the bottoms; the outer wall of the upper part of the third inner cylinder body is wrapped with a fourth inner cylinder body, the first inner cylinder body and the second inner cylinder body share the top wall and the first inner cylinder body, the top of the second inner cylinder is higher than the top of the third inner cylinder and lower than the top of the fourth inner cylinder, the bottom of the fourth inner cylinder is higher than the bottom of the third inner cylinder and is fixedly connected to the outer wall of the third inner cylinder, a support rod is welded to the top of the fourth inner cylinder, a support shaft is connected to the support rod and is located in the center of the cylinder, two conical hoppers are arranged on the support shaft, a circle of annular guide plate which is bent inwards is arranged on the top edge of each conical hopper, the annular guide plate is arranged in an inclined mode, the joint of the annular guide plate and the conical hoppers is a low point, the two conical hoppers are divided into an upper conical hopper and a lower conical hopper, the bottom of the lower conical hopper is slightly higher than the bottom of the first inner cylinder, an insertion pipe inserted into the lower conical hopper is arranged at; the inner wall of the first inner cylinder body is provided with two circles of baffles which are divided into an upper baffle and a lower baffle, the upper baffle is slightly higher than the upper conical hopper, the lower baffle is slightly higher than the lower conical hopper, the inner diameter of the upper baffle is smaller than the maximum diameter of the upper conical hopper and slightly larger than the inner diameter of an annular guide plate of the upper conical hopper, and the inner diameter of the lower baffle is smaller than the maximum diameter of the lower conical hopper and slightly larger than the inner diameter of the annular guide plate of the upper conical hopper; the side wall of the barrel is provided with a water inlet, a water outlet and an oil outlet, the highest point of the water inlet is higher than the top height of the first inner barrel, the lowest point of the water inlet is lower than the top height of the first inner barrel, the water outlet and the oil outlet are slightly lower than the water inlet, the side wall of the bottom of the barrel is provided with a slag discharge port, the side wall of the fourth inner barrel is provided with an inner water outlet, the side wall of the second inner barrel is provided with an inner oil discharge port, the height of the inner oil discharge port is higher than that of the upper baffle, a water discharge pipe penetrates through the first inner barrel and the second inner barrel to communicate the water outlet with the inner water discharge port, an oil discharge pipe penetrates through the first inner barrel to communicate the oil discharge port with the inner oil discharge port, the water discharge pipe and the oil discharge pipe are both fixed on the; a partition plate is arranged in the second inner cylinder body to divide the interior of the second inner cylinder body into two cavities, namely a first cavity and a second cavity, the first cavity is communicated with the inner oil discharge port, a first through hole is formed in the side wall of the upper portion of the second inner cylinder body and communicated with the first cavity, a second through hole is formed in the top wall of the second inner cylinder body and communicated with the first cavity, and a third through hole is formed in the wall body of the partition plate and communicated with the first cavity and the second cavity; the water outlet of the microbial reaction tank is communicated with the tubular membrane filtering device through a water outlet pipeline; the concentrated water outlet of the tubular membrane filtering device is communicated with the microbial reaction tank through a concentrated water pipeline, a concentrated water branch pipe is arranged on the concentrated water pipeline, the concentrated water branch pipe and the water outlet pipeline are communicated to form a tubular membrane filtering device return pipeline, and the clear water outlet of the tubular membrane filtering device is communicated with the water outlet tank through a clear water pipeline.
Furthermore, the microbial reaction tank is internally provided with a partition plate which divides the microbial reaction tank into a facultative zone, a first-stage aerobic microbial reaction zone, a second-stage aerobic microbial reaction zone and a third-stage aerobic microbial reaction zone in sequence; the separator is provided with a water outlet which sequentially communicates the facultative zone, the first-stage aerobic microorganism reaction zone, the second-stage aerobic microorganism reaction zone and the third-stage aerobic microorganism reaction zone, the water inlet of the microorganism reaction tank is positioned at the facultative zone, the water outlet of the microorganism reaction tank is positioned at the third-stage aerobic microorganism reaction zone, and the concentrated water outlet of the tubular membrane filter device is communicated with the first-stage aerobic microorganism reaction zone of the microorganism reaction tank through a concentrated water pipeline.
Furthermore, a stirring device is arranged in the facultative area. The inlet water is fully mixed, and the over-high impact load is avoided.
And further, aeration devices are arranged in the first-stage aerobic microorganism reaction zone, the second-stage aerobic microorganism reaction zone and the third-stage aerobic microorganism reaction zone, and the aeration devices are anti-clogging membrane aerators.
Further, the tubular membrane filtration device is an external MBR membrane. The blockage is not easy to happen, and the cleaning frequency is low.
Furthermore, a supporting shaft in the oil, mud and water three-phase separation device is a threaded rod, nuts used for being screwed on the supporting shaft are arranged at the bottoms of the upper conical hopper and the lower conical hopper, and the supporting bars are screwed on the supporting shaft.
Furthermore, a slag blowing port is further arranged at the bottom of the cylinder body in the oil, mud and water three-phase separation device and is communicated with the bottom of the conical cylinder through a slag blowing pipe. The slag blowing opening is in a normally closed state and is mainly used for pressurizing and cleaning sludge when the slag discharging pipe is blocked.
Furthermore, the diameter of a slag blowing pipe in the oil, mud and water three-phase separation device is smaller than that of a slag discharging pipe.
Furthermore, a sealing cover is arranged at the top of the third inner cylinder body, and the sealing cover is screwed with the support shaft through threads. The sealing cover is rotated, and the water yield can be adjusted by adjusting the distance between the sealing cover and the top of the third inner cylinder body, so that the aim of controlling the water content in the oil discharged from the oil discharge pipe is fulfilled.
Furthermore, an oxidation-reduction potentiometer is arranged in the facultative area.
The utility model has the advantages that:
1. the utility model discloses in saved traditional filter, not having the filter material to change, the useless processing problem of danger, the device system need not to add medicine, quality of water is not modified, goes out water stable in quality of water and is superior to the gas field water reinjection standard.
2. The utility model provides an oil, mud, water three-phase separator realize the separation of multilayer multistage formula in limited space, improve the water quality greatly, reduce the degree of difficulty for follow-up water treatment process. The water content of the produced oil is low, so that favorable conditions are provided for the subsequent recovery and utilization of crude oil, and the resource waste is reduced; and the internal structure is compact, and the occupied area is small. The all-static oil-water separation process has no movable component, needs no power device, saves energy, and has low investment and operation cost.
3. The utility model discloses an operation energy consumption is low, and the sludge discharge is few.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an oil, mud and water three-phase separation device;
fig. 3 is a schematic structural diagram of another angle of the oil, mud and water three-phase separation device.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1: as shown in fig. 1, 2 and 3, the gas field water treatment system comprises an oil, mud and water three-phase separation device a, a microbial reaction tank b, a tubular membrane filtration device c and a water outlet tank d; the tubular membrane filtration device c is an external MBR membrane. The oil, mud and water three-phase separation device a comprises a cylinder body 1, wherein three layers of inner cylinder bodies, namely a first inner cylinder body 2, a second inner cylinder body 3 and a third inner cylinder body 4, are arranged in the cylinder body 1 from outside to inside; the bottom of the first inner cylinder body 2, the bottom of the second inner cylinder body 3 and the bottom of the third inner cylinder body 4 are all conical and have openings at the bottoms; the outer wall of the upper part of the third inner cylinder body 4 is wrapped with a fourth inner cylinder body 5, the first inner cylinder body 2 and the second inner cylinder body 3 share the top wall, the top height of the first inner cylinder body 2 and the second inner cylinder body 3 is higher than the top height of the third inner cylinder body 4 and lower than the top height of the fourth inner cylinder body 5, the bottom of the fourth inner cylinder body 5 is higher than the bottom of the third inner cylinder body 4 and is fixedly connected with the outer wall of the third inner cylinder body 4, a support rod 6 is welded at the top of the fourth inner cylinder body 5, a support shaft 7 is connected on the support rod 6 and is positioned at the center of the cylinder body 1, two conical hoppers 8 are arranged on the support shaft 7, the top edge of each conical hopper 8 is provided with a circle of annular guide plate 9 which is bent inwards, the annular guide plate 9 is obliquely arranged, the joint of the annular guide plate 9 and the conical hoppers 8 is a low point, the two conical hoppers 8 are divided into an upper conical hopper and a lower conical hopper, the bottom of the, the bottom of the third inner cylinder body 4 is inserted into an upper conical hopper; the inner wall of the first inner cylinder body 2 is provided with two rings of baffles 11 which are divided into an upper baffle and a lower baffle, the height of the upper baffle is slightly higher than that of the upper conical hopper, the height of the lower baffle is slightly higher than that of the lower conical hopper, the inner diameter of the upper baffle is smaller than the maximum diameter of the upper conical hopper and slightly larger than the inner diameter of the annular guide plate 9 of the upper conical hopper, and the inner diameter of the lower baffle is smaller than the maximum diameter of the lower conical hopper and slightly larger than the inner diameter of the annular guide plate 9 of the; the side wall of the barrel body 1 is provided with a water inlet 12, a water outlet 13 and an oil discharge port 14, the highest point of the water inlet 12 is higher than the top height of the first inner barrel body 1, the lowest point of the water inlet 12 is lower than the top height of the first inner barrel body 1, the water outlet 12 and the oil discharge port 14 are slightly lower than the water inlet 12, the side wall of the bottom of the barrel body 1 is provided with a slag discharge port 15, the side wall of the fourth inner barrel body 5 is provided with an inner water discharge port 16, the side wall of the second inner barrel body 3 is provided with an inner oil discharge port 17, the height of the inner oil discharge port 17 is higher than the height of the upper baffle plate, the water discharge pipe 18 penetrates through the first inner barrel body 2 and the second inner barrel body 3 to communicate the water outlet 13 with the inner water discharge port 16, the oil discharge pipe 19 penetrates through the first inner barrel body 2 to communicate the oil discharge port 14 with the inner oil discharge port 17, the water, the supporting bar 20 is connected to the supporting shaft 7, the third inner cylinder 4 is connected with the supporting shaft 7 through the supporting bar 20, the top of the third inner cylinder 4 is provided with a sealing cover 32, and the sealing cover 32 is screwed with the supporting shaft 7; be equipped with division board 21 in barrel 3 in No. two and become two cavities with barrel 3 internal partitioning in No. two and be cavity 22 and No. two cavities 23 respectively, cavity 22 and interior oil discharge port 17 intercommunication, barrel 3 upper portion lateral wall is equipped with a through-hole 24 and cavity 22 intercommunication in No. two, barrel 3 roof is equipped with No. two through-holes 25 and cavity 22 intercommunication in No. two, is equipped with No. three through-holes 26 on the division board 21 wall body and communicates cavity 22 and No. two cavities 23. The supporting shaft 7 is a threaded rod, the bottoms of the upper conical hopper and the lower conical hopper are respectively provided with a nut 27 which is screwed on the supporting shaft, and the supporting bar 20 is screwed on the supporting shaft 7. The bottom of the barrel body 1 is provided with a conical barrel 28, the slag discharge port 15 is communicated with the bottom of the conical barrel 28 through a slag discharge pipe 29, the bottom of the barrel body 1 is also provided with a slag blowing port 30, the slag blowing port 30 is communicated with the bottom of the conical barrel 28 through a slag blowing pipe 31, and the diameter of the slag blowing pipe 31 is smaller than that of the slag discharge pipe 29. A water outlet of the oil, mud and water three-phase separation device a is communicated with a water inlet 34 of the microbial reaction tank b through an intermediate pipeline 33, and a water outlet 35 of the microbial reaction tank b is communicated with the tubular membrane filtration device c through a water outlet pipeline 36; the concentrated water outlet 37 of the tubular membrane filtering device c is communicated with the microorganism reaction tank b through a concentrated water pipeline 38, a concentrated water branch pipe 39 is arranged on the concentrated water pipeline 38, the concentrated water branch pipe 39 is communicated with the water outlet pipeline 36 to form a return pipeline of the tubular membrane filtering device, and the clear water outlet 40 of the tubular membrane filtering device c is communicated with the water outlet tank d through a clear water pipeline 41. The inside of the microbial reaction tank b is provided with a partition plate which divides the microbial reaction tank b into a facultative zone 42, a first-stage aerobic microbial reaction zone 43, a second-stage aerobic microbial reaction zone 44 and a third-stage aerobic microbial reaction zone 45 in sequence; the division plate is provided with a water passing opening for sequentially communicating the facultative zone 42, the first-stage aerobic microorganism reaction zone 43, the second-stage aerobic microorganism reaction zone 44 and the third-stage aerobic microorganism reaction zone 45 are respectively provided with an aeration device 46, the aeration device 46 is a membrane aerator with anti-blocking function, the water inlet 35 of the microorganism reaction tank b is positioned at the facultative zone 42, the water outlet 35 of the microorganism reaction tank b is positioned at the third-stage aerobic microorganism reaction zone 45, a stirring device is arranged in the facultative zone 42, and an oxidation-reduction potentiometer is arranged in the facultative zone. The concentrated water outlet 37 of the tubular membrane filtering device c is communicated with the primary aerobic microorganism reaction zone 44 of the microorganism reaction tank b through a concentrated water pipeline 38.
The working principle is as follows: when the device works, sewage is pumped from the water inlet 12, enters the first inner cylinder 2 from the bottom through the annular area between the cylinder 1 and the first inner cylinder 2, after the sewage enters the first inner cylinder 2, media with different densities are gradually separated under the action of gravity, fine oil drops are separated at the lower part of the first inner cylinder 2 due to the difference of gravity and density and are gathered and attached to the outer wall surface of the lower conical hopper, the oil drops continuously rise due to the density of the oil drops being smaller than that of a mixture, and the rising direction of the oil drops is changed due to the action of the annular guide plate 9 on the lower conical hopper and slowly rises along the outer wall surface of the second inner cylinder 3; part of oil drops attached to the inner wall surface of the first inner cylinder 2 also slowly rise along the outer wall surface of the second inner cylinder 3 under the action of the lower baffle 11, enter the first cavity 22 from the first through hole 24 after rising, and are finally discharged from the oil discharge pipe 19. In the sewage rising process, the sewage is blocked by the lower baffle, most of the sludge falls back to the bottom of the cylinder 1 under the action of gravity because the density of the sludge is greater than that of water, and most of other fine sludge particles fall to the bottom of the cylinder 1 or the lower conical hopper under the combined action of the annular guide plate 9 of the lower conical hopper and the lower baffle. Part of extremely fine oil drops and particles can continuously flow into the insertion pipe 10 along with sewage flow, the oil drops and the particles pass through the long and narrow channel until meeting the influence of gravity on the annular guide plate 9 and the upper baffle plate of the upper conical hopper, and the oil drops continuously go upwards and enter the first cavity 22 through the third through hole 26 according to the difference of density, and finally are discharged from the oil discharge pipe 19. The particles are retained and fall into the upper conical hopper. In barrel 4 in continuing the entering No. three of sewage after the deoiling, deposiing, under hydraulic effect, from barrel 4 top overflow in No. three get into barrel 5 in No. four, discharge from the interior drain outlet 16 discharge drain pipe 18 of barrel 5 department in No. four again, the water yield can be adjusted through the distance of adjusting the top of barrel 4 in closing cap 32 and No. three to rotating closing cap 32, reaches the purpose of the water content in the control oil drain pipe oil extraction. Oil between the first inner cylinder 2 and the first inner cylinder 1 can also enter the first cavity 22 from the second through hole 25 and finally is discharged from the oil discharge pipe 19. The slag blowing opening 30 is in a normally closed state and is mainly used for pressurizing and cleaning sludge when the slag discharge pipe 29 is blocked.
The water discharged from the water discharge pipe 18 enters the microbial reaction tank b and firstly enters the facultative zone 42, and the facultative zone 42 mainly aims to further intercept and gradually convert non-dissolved substances into dissolved substances, convert nonbiodegradable substances into biodegradable substances and improve the biodegradability of the wastewater. Controlling the oxidation-reduction potential of the facultative zone 42 at 0mV, the retention time at 4-6 h, and the water ratio of the first-level aerobic microorganism reaction zone 43, the second-level aerobic microorganism reaction zone 44 and the third-level aerobic microorganism reaction zone 45 to be (15-20): 1; the added strains mainly comprise Nocardia, pseudomonas, bacillus subtilis and Alcaligenes. The flora takes organic pollutants in the sewage as a nutrient source, converts complex organic matters into simple inorganic matters through self oxidation, reduction and synthesis, thereby degrading the organic matters and oils in the sewage and achieving the aim of purifying the sewage, the purified water is pressurized by a lift pump and sent into a tubular membrane filtering device c, the permeation effluent of the tubular membrane filtering device c is collected to a water outlet tank d, part of concentrated water flows back to a primary aerobic microorganism reaction zone 43 through a concentrated water pipeline 38 to ensure the concentration of special microorganisms in the microorganism reaction tank, and part of concentrated water flows to the inlet of the lift pump through a concentrated water branch pipe 39 to ensure the cross flow velocity of 1-2m/s in the tubular membrane filtering device c.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (10)
1. A gas field water treatment system is characterized by comprising an oil, mud and water three-phase separation device, a microbial reaction tank, a tubular membrane filtering device and a water outlet tank; the oil, mud and water three-phase separation device comprises a cylinder body, wherein three layers of inner cylinder bodies are arranged in the cylinder body, namely a first inner cylinder body, a second inner cylinder body and a third inner cylinder body from outside to inside; the bottom of the first inner cylinder, the bottom of the second inner cylinder and the bottom of the third inner cylinder are all conical and have openings at the bottoms; the outer wall of the upper part of the third inner cylinder body is wrapped with a fourth inner cylinder body, the first inner cylinder body and the second inner cylinder body share the top wall and the first inner cylinder body, the top of the second inner cylinder is higher than the top of the third inner cylinder and lower than the top of the fourth inner cylinder, the bottom of the fourth inner cylinder is higher than the bottom of the third inner cylinder and is fixedly connected to the outer wall of the third inner cylinder, a support rod is welded to the top of the fourth inner cylinder, a support shaft is connected to the support rod and is located in the center of the cylinder, two conical hoppers are arranged on the support shaft, a circle of annular guide plate which is bent inwards is arranged on the top edge of each conical hopper, the annular guide plate is arranged in an inclined mode, the joint of the annular guide plate and the conical hoppers is a low point, the two conical hoppers are divided into an upper conical hopper and a lower conical hopper, the bottom of the lower conical hopper is slightly higher than the bottom of the first inner cylinder, an insertion pipe inserted into the lower conical hopper is arranged at; the inner wall of the first inner cylinder body is provided with two circles of baffles which are divided into an upper baffle and a lower baffle, the upper baffle is slightly higher than the upper conical hopper, the lower baffle is slightly higher than the lower conical hopper, the inner diameter of the upper baffle is smaller than the maximum diameter of the upper conical hopper and slightly larger than the inner diameter of an annular guide plate of the upper conical hopper, and the inner diameter of the lower baffle is smaller than the maximum diameter of the lower conical hopper and slightly larger than the inner diameter of the annular guide plate of the upper conical hopper; the side wall of the barrel is provided with a water inlet, a water outlet and an oil outlet, the highest point of the water inlet is higher than the top height of the first inner barrel, the lowest point of the water inlet is lower than the top height of the first inner barrel, the water outlet and the oil outlet are slightly lower than the water inlet, the side wall of the bottom of the barrel is provided with a slag discharge port, the side wall of the fourth inner barrel is provided with an inner water outlet, the side wall of the second inner barrel is provided with an inner oil discharge port, the height of the inner oil discharge port is higher than that of the upper baffle, a water discharge pipe penetrates through the first inner barrel and the second inner barrel to communicate the water outlet with the inner water discharge port, an oil discharge pipe penetrates through the first inner barrel to communicate the oil discharge port with the inner oil discharge port, the water discharge pipe and the oil discharge pipe are both fixed on the; a partition plate is arranged in the second inner cylinder body to divide the interior of the second inner cylinder body into two cavities, namely a first cavity and a second cavity, the first cavity is communicated with the inner oil discharge port, a first through hole is formed in the side wall of the upper portion of the second inner cylinder body and communicated with the first cavity, a second through hole is formed in the top wall of the second inner cylinder body and communicated with the first cavity, and a third through hole is formed in the wall body of the partition plate and communicated with the first cavity and the second cavity; the water outlet of the microbial reaction tank is communicated with the tubular membrane filtering device through a water outlet pipeline; the concentrated water outlet of the tubular membrane filtering device is communicated with the microbial reaction tank through a concentrated water pipeline, a concentrated water branch pipe is arranged on the concentrated water pipeline, the concentrated water branch pipe and the water outlet pipeline are communicated to form a tubular membrane filtering device return pipeline, and the clear water outlet of the tubular membrane filtering device is communicated with the water outlet tank through a clear water pipeline.
2. The gas field water treatment system according to claim 1, wherein a partition plate is arranged in the microbial reaction tank to divide the microbial reaction tank into a facultative zone, a primary aerobic microbial reaction zone, a secondary aerobic microbial reaction zone and a tertiary aerobic microbial reaction zone in sequence; the separator is provided with a water outlet which sequentially communicates the facultative zone, the first-stage aerobic microorganism reaction zone, the second-stage aerobic microorganism reaction zone and the third-stage aerobic microorganism reaction zone, the water inlet of the microorganism reaction tank is positioned at the facultative zone, the water outlet of the microorganism reaction tank is positioned at the third-stage aerobic microorganism reaction zone, and the concentrated water outlet of the tubular membrane filter device is communicated with the first-stage aerobic microorganism reaction zone of the microorganism reaction tank through a concentrated water pipeline.
3. The gas field water treatment system of claim 2, wherein a stirring device is provided within said facultative zone.
4. The gas field water treatment system of claim 2, wherein aeration devices are provided in the primary, secondary and tertiary aerobic microbial reaction zones, the aeration devices being anti-clogging membrane aerators.
5. The gas field water treatment system of claim 1, wherein the tubular membrane filtration device is an external MBR membrane.
6. The gas field water treatment system according to claim 1, wherein the supporting shaft in the oil, mud and water three-phase separation device is a threaded rod, the bottoms of the upper conical hopper and the lower conical hopper are respectively provided with a nut for screwing on the supporting shaft, and the supporting bar is screwed on the supporting shaft.
7. The gas field water treatment system according to claim 1, wherein a slag blowing port is further formed in the bottom of the cylinder body in the oil, mud and water three-phase separation device, and the slag blowing port is communicated with the bottom of the conical cylinder through a slag blowing pipe.
8. The gas field water treatment system according to claim 7, wherein the diameter of the slag blowing pipe in the oil, mud and water three-phase separation device is smaller than the diameter of the slag discharging pipe.
9. The gas field water treatment system according to claim 1, wherein a sealing cover is arranged at the top of the third inner cylinder body, and the sealing cover is screwed with the supporting shaft.
10. The gas field water treatment system of claim 2, wherein a redox potentiometer is provided in said facultative zone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922464138.8U CN211921213U (en) | 2019-12-31 | 2019-12-31 | Gas field water treatment system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922464138.8U CN211921213U (en) | 2019-12-31 | 2019-12-31 | Gas field water treatment system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211921213U true CN211921213U (en) | 2020-11-13 |
Family
ID=73326567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922464138.8U Active CN211921213U (en) | 2019-12-31 | 2019-12-31 | Gas field water treatment system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211921213U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110862201A (en) * | 2019-12-31 | 2020-03-06 | 江苏博大环保股份有限公司 | Gas field water treatment system |
-
2019
- 2019-12-31 CN CN201922464138.8U patent/CN211921213U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110862201A (en) * | 2019-12-31 | 2020-03-06 | 江苏博大环保股份有限公司 | Gas field water treatment system |
CN110862201B (en) * | 2019-12-31 | 2024-04-30 | 江苏博大环保股份有限公司 | Gas field water treatment system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201132782Y (en) | Purification device for oil-contaminated water and purification system with the device | |
CN101337755B (en) | Biodegradation process for ultra-thick oil waste water in oilfield | |
CN201268652Y (en) | Integral sewage treating device | |
CN103332784B (en) | Three-stage circulation aerobic reactor | |
CN107055954B (en) | Biochar circulation type copolymerization air flotation tank water purification system and method | |
AU2006284174B2 (en) | Waste water purifying device | |
CN201186181Y (en) | Ceramic film filter | |
CN107473471A (en) | A kind of sewage purifying and treating device | |
CN103787527A (en) | Oily sewage air floatation suspension layer filtering device | |
CN211921213U (en) | Gas field water treatment system | |
CN111018251A (en) | Advanced treatment system and treatment method for chemical flooding oilfield produced water | |
US9738550B2 (en) | Bio-filter for waste water digestion | |
CN109678301A (en) | Each door type sewage disposal device | |
CN102432098A (en) | PAFR-B (pulse anaerobic fluidized bed reactor) and organic waste water processing method | |
CN202379803U (en) | Staggered flow type aeration, sediment and filter device | |
CN205556404U (en) | Offshore platform sewage treatment unit | |
CN110862201B (en) | Gas field water treatment system | |
CN211445188U (en) | Oil, mud, water static state three-phase separation device | |
CN110862135B (en) | Oil, mud, water static three-phase separation device | |
JP2006142302A (en) | Anaerobic treatment method and apparatus | |
SE441595B (en) | DEVICE WASTE CLEANING MEDIUM ANAEROBIC FERMENTATION | |
CN203360111U (en) | Three-stage circulation aerobic reactor | |
CN105439243A (en) | Efficient cyclone oil removing device | |
JPH02207882A (en) | Device for treating sewage or the like | |
CN203960010U (en) | The organic brine waste treatment system of a kind of high density |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |