Wastewater treatment equipment for oil-gas-water three-phase separation

Abstract

The invention relates to wastewater treatment equipment for oil-gas-water three-phase separation in the field of wastewater treatment, which comprises a plurality of PH adjusting piles fixedly connected to the floor of a sewage treatment pool, and active adjusting devices and passive adjusting devices are mounted in the PH adjusting piles; the active regulation device and the passive regulation device are used for actively regulating and passively regulating the pH value of wastewater in the sewage treatment tank respectively, the on-off of the electromagnetic valve is controlled by data detected by the pH sensor, the active regulation of the pH value of the wastewater is further realized, and when the pH value of the wastewater exceeds the active regulation control range of the active regulation device, the on-off of the electromagnetic valve is controlled. The passive adjusting device is started to carry out passive adjustment, the passive adjusting device carries out automatic feeding and controls the interval feeding time, excessive adjustment caused by the too short feeding interval is avoided, in the wastewater treatment process, pH value adjustment is more reliable, the pH value adjustment is not prone to being out of control, and enough reaction time is reserved for workers to intervene in regulation and control.

Description

Technical Field

[0001] The present invention relates to wastewater treatment equipment, in particular to wastewater treatment equipment for oil, gas and water three-phase separation applied in the field of wastewater treatment. Background Art

[0002] Wastewater treatment with oil, gas and water three-phase separation is a technology specifically designed to purify complex wastewater containing oil, gas and water molecules. This treatment process mainly occurs in the oil and gas industry, especially in oil field exploitation, refinery operations and natural gas purification. Its goal is to effectively separate the oil, gas and water phases in wastewater to reduce pollution to the environment while recovering valuable resources.

[0003] The invention patent CN201310493015.1 specification discloses a system and method for treating and reusing methanol aromatization wastewater. In the invention, the methanol aromatization wastewater is separated into phases by a gas-liquid-liquid three-phase separator, and then passes through a particle removal device, a wastewater stripping device, a gravity oil removal device and a flotation device in sequence to remove petroleum substances in the wastewater, and then is homogenized and adjusted. Organic matter in the wastewater is further removed by an anaerobic treatment system and an aerobic treatment system, and the wastewater is made to meet the reuse standard through flocculation, sedimentation and filtration. This method can effectively reuse most of the wastewater and reduce the use of fresh water. Compared with the conventional process, the entire wastewater treatment process reduces the feed amount by more than 50%, and the wastewater treatment cost is low.

[0004] In the above invention application, during the wastewater treatment process, the pH value of the wastewater needs to be strictly controlled in order to achieve the effect of high-efficiency wastewater treatment. Although sensors can be used in the prior art to effectively monitor the pH value in the wastewater, once the sensor fails, it is very likely to cause the pH value adjustment to be out of control, and it is impossible to reserve sufficient reaction time for staff to intervene and control. Summary of the invention

[0005] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is that once the sensor in the prior art fails, it is very likely to cause the pH value adjustment to be out of control, and it is impossible to reserve sufficient reaction time for the staff to intervene in the regulation.

[0006] In order to solve the above problems, the present invention provides a wastewater treatment equipment for oil, gas and water three-phase separation, comprising a sewage treatment pool, wherein an inlet pipe and an outlet pipe are fixedly connected to two opposite walls of the sewage treatment pool, respectively, an impact cover whose position matches the inlet pipe is fixedly connected to the inner wall of the sewage treatment pool, a filter screen matching the outlet pipe is fixedly connected to the outlet pipe, and a plurality of pH adjustment piles are fixedly connected to the floor of the sewage treatment pool; The PH regulating pile comprises an regulating pile, and the regulating pile comprises a pile body, and the pile body is sequentially excavated with a passive regulating part and an active regulating part from top to bottom, and a sealing cover matching the passive regulating part is threadedly connected at the upper opening of the passive regulating part, and an active regulating device matching the active regulating part is inserted in the active regulating part, and the active regulating device comprises a storage tank, and the storage tank is equipped with a neutralizing liquid, and a feeding pipe is fixedly connected to the upper end of the storage tank, and the feeding pipe passes through the regulating pile and extends into the passive regulating part, and a sealing plug is threadedly connected to the upper end of the feeding pipe, and an outlet is fixedly connected to the side wall of the storage tank. The material port and the PH sensor are both passed through the adjusting pile and extend to the outside of the adjusting pile. A solenoid valve is fixedly connected in the material port. A plurality of passive adjusting devices are placed in the passive adjusting part. The plurality of passive adjusting devices are all sleeved on the outside of the feeding pipe. A release hole matching the passive adjusting device is drilled on the outer wall of the passive adjusting part. The passive adjusting device comprises a fast dissolving part, a slow dissolving part and a sealing part. The fast dissolving part, the slow dissolving part and the sealing part form an annular structure. The passive adjusting device is loaded with a plurality of PH adjusting units.

[0007] In the above-mentioned wastewater treatment equipment for oil, gas and water three-phase separation, the pH value adjustment in the wastewater treatment process is made more reliable, and it is not easy to cause the pH value adjustment to get out of control, and sufficient reaction time is reserved for staff to intervene in the regulation.

[0008] As a further improvement of the present application, the impact hood includes a hood body, which includes a cylindrical and a pancake-shaped part. The end of the pancake-shaped part of the hood body close to the water inlet pipe is coated with an affinity coating. The oil mixed in the wastewater that is flushed with the pancake part will adhere to the pancake-shaped part of the hood body, completing the water-oil separation, and will more easily float on the surface of the wastewater after falling, reducing its impact on the pH sensor data monitoring.

[0009] As a further improvement of the present application, a plurality of arcuate grooves are cut at one end of the pancake-shaped portion of the cover body close to the water inlet pipe. The plurality of arcuate grooves do not intersect each other and are curved, thereby increasing the water-oil separation effect.

[0010] As a further improvement of the present application, the rapid dissolution part selects a material that is completely dissolved within ten minutes when the wastewater exceeds a preset pH value, and releases the pH adjustment unit in time to adjust the pH.

[0011] As another improvement of the present application, the slow dissolving part is made of water-soluble material, and it takes 30 minutes for the slow dissolving part to dissolve until the structure collapses, so as to avoid the passive adjustment device from having a too short feeding interval and not easily causing excessive adjustment.

[0012] As another improvement supplement of the present application, the thickness of the multiple passive adjustment devices decreases from bottom to top, and the thickness difference between two adjacent passive adjustment devices is the thickness of the sealing part, so that the adjacent passive adjustment devices can be easily fitted with the release hole after loading.

[0013] As another improved supplement of the present application, the PH blending unit includes an inner core portion, the outer side of the inner core portion is coated with a blending portion, wherein the density of the inner core portion is smaller than that of the blending portion, and the inner core portion is used to adjust the overall density of the PH blending unit, so that the blending portions with different solubilities can make the PH blending unit suspended in different positions of the wastewater, and the heat generated by the neutralization reaction drives the PH blending unit to move freely in the wastewater, so that the PH blending unit can be relatively evenly distributed in the wastewater, and at the same time, after the blending portion is completely detached, the inner core portion will float on the surface of the wastewater for uniform collection.

[0014] As another improvement of the present application, the inner cores filled in the multiple pH blending units have different colors, and the multiple inner cores are all made of magnetic materials. The multiple inner cores are adsorbed on each other, and the staff can judge how many passive regulating devices are left in the regulating pile according to the color of the inner core floating on the surface of the wastewater, and replace the passive regulating devices in time. The density problem of the inner core can be solved by excavating the hollow part.

[0015] As a further improvement of the present application, the sewage treatment tank includes a tank body, and a partition fence is fixedly connected to the bottom plate of the tank body, the partition fence divides the tank body into two parts: a wastewater treatment chamber and a transition chamber. The water inlet pipe is connected to the wastewater treatment chamber, and the water outlet pipe is connected to the transition chamber. The inner core floating on the surface will flow into the transition chamber with the wastewater and gather in the transition chamber to facilitate centralized recovery work.

[0016] To sum up, in the present application, when the regulating function of the active regulating device fails, the pH value of the wastewater will further change, and the fast-dissolving part will first be dissolved by the wastewater with a pH value exceeding the set range, so that the PH blending unit stored in the passive regulating device is released, and the pH value of the wastewater is quickly adjusted. After that, the slow-dissolving part will also slowly dissolve in the wastewater until the structure collapses, and the slow-dissolving part is completely crushed under the weight of the passive regulating device above, and the adjacent passive regulating device located above completes the automatic loading work, and the slow-dissolving part is used to realize intermittent loading of multiple passive regulating devices, so as to avoid the wastewater pH value adjustment reaction being too slow in a short time, which causes multiple passive regulating devices to take effect, and it is not easy to over-adjust the pH value of the wastewater.

[0017] At the same time, in order to refine the structure of the pH adjusting unit, the core is used to adjust the overall density of the pH adjusting unit, so that the pH adjusting units with different solubility levels float at different depths in the wastewater, making the adjustment effect more uniform, and a corresponding sewage treatment pool structure is set to facilitate the subsequent recovery of the core. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a wastewater treatment device for oil, gas and water three-phase separation according to the first embodiment of the present application; Figure 2This is a front cross-sectional view of a wastewater treatment device for oil, gas and water three-phase separation according to a first embodiment of the present application; Figure 3 This is a schematic structural diagram of the impact shield of the first embodiment of the present application; Figure 4 This is a schematic structural diagram of a pH regulating pile according to a first embodiment of the present application; Figure 5 This is a schematic cross-sectional structure diagram of a pH regulating pile according to a first embodiment of the present application; Figure 6 This is a front cross-sectional view of a pH regulating pile according to a first embodiment of the present application; Figure 7 for Figure 6 Schematic diagram of the structural changes at A in the middle; Figure 8 This is a schematic structural diagram of a passive adjustment device according to a first embodiment of the present application; Fig. 9 This is a schematic structural diagram of a PH blending unit according to a second embodiment of the present application; Fig.10 This is a schematic cross-sectional structure diagram of a PH blending unit according to a second embodiment of the present application.

[0019] Description of the numbers in the figure: 1 sewage treatment tank, 101 tank body, 102 partition fence, 103 wastewater treatment chamber, 104 transition chamber, 2 water inlet pipe, 3 impact cover, 301 cover body, 302 arc groove, 4 water outlet pipe, 5 filter screen, 6 adjustment pile, 601 pile body, 602 active adjustment part, 603 passive adjustment part, 604 release hole, 7 active adjustment device, 701 storage tank, 702 feeding pipe, 703 sealing plug, 704 discharge port, 705 solenoid valve, 706 PH sensor, 8 passive adjustment device, 801 fast dissolution part, 802 slow dissolution part, 803 sealing part, 9 sealing cover, 10 PH blending unit, 1001 core part, 1002 blending part. DETAILED DESCRIPTION

[0020] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0021] The first implementation method: Figure 1-2 A wastewater treatment device for oil, gas and water three-phase separation is shown, comprising a sewage treatment pool 1, an inlet pipe 2 and an outlet pipe 4 are fixedly connected to two opposite walls of the sewage treatment pool 1, an impact cover 3 whose position matches the inlet pipe 2 is fixedly connected to the inner wall of the sewage treatment pool 1, a filter screen 5 matching the outlet pipe 4 is fixedly connected to the inner wall of the sewage treatment pool 1, and a plurality of pH adjustment piles are fixedly connected to the floor of the sewage treatment pool 1; See also Figure 4-6 and Figure 8 The PH regulating pile includes a regulating pile 6, and the regulating pile 6 includes a pile body 601. The pile body 601 is sequentially excavated with a passive regulating part 603 and an active regulating part 602 from top to bottom. The upper opening of the passive regulating part 603 is threadedly connected with a sealing cover 9 matching itself. The active regulating part 602 is plugged with an active regulating device 7 matching itself. The active regulating device 7 includes a storage tank 701. The storage tank 701 is equipped with a neutralizing liquid. The upper end of the storage tank 701 is fixedly connected with a feeding pipe 702, and the feeding pipe 702 passes through the regulating pile 6 and extends into the passive regulating part 603. The upper end of the feeding pipe 702 is threadedly connected with a sealing plug 703, and the side wall of the storage tank 701 is fixedly connected with a discharge port. 704 and a PH sensor 706, and the discharge port 704 and the PH sensor 706 all penetrate the regulating pile 6 and extend to the outside of the regulating pile 6, a solenoid valve 705 is fixedly connected in the discharge port 704, a plurality of passive regulating devices 8 are placed in the passive regulating part 603, and the plurality of passive regulating devices 8 are all sleeved on the outside of the feeding pipe 702, and a release hole 604 matching the passive regulating device 8 is drilled on the outer wall of the passive regulating part 603, the passive regulating device 8 comprises a fast dissolving part 801, a slow dissolving part 802 and a sealing part 803, the fast dissolving part 801, the slow dissolving part 802 and the sealing part 803 form an annular structure, and the passive regulating device 8 is loaded with a plurality of PH blending units 10.

[0022] In the present application, wastewater that has undergone three-phase separation treatment of oil, gas and water is injected into the sewage treatment pool 1 through the water inlet pipe 2, and impacts the impact cover 3, thereby preliminarily separating the oil and water in the wastewater, and falling into the wastewater treatment chamber 103 together, where the wastewater is treated. While the wastewater is in the wastewater treatment chamber 103, the pH sensors 706 on the multiple active adjustment devices 7 will detect the pH value of the wastewater in the wastewater treatment chamber 103 in real time. Once the pH value of the wastewater exceeds the preset range for more than 10 minutes, the solenoid valve 705 will start to release the neutralizing liquid to regulate the pH value in the wastewater. The duration of a single start of the solenoid valve 705 is fixed.

[0023] In particular, in the present application, the electrical structure solenoid valve 705 will be controlled by the control terminal, and the control terminal can be installed in the active adjustment device 7 and connected to the solenoid valve 705 by wire, or it can be set on the sewage treatment tank 1 and connected to the solenoid valve 705 wirelessly. The control terminal is also connected to the PH sensor 706 by signal, and the data detected by the PH sensor 706 is uploaded to the control terminal. The control terminal controls the switch of the solenoid valve 705 according to the real-time detection data. When the solenoid valve 705 is opened for a certain number of times, the staff is notified to replenish the neutralizing liquid through the feeding pipe 702 in time. After the neutralizing liquid is replenished, the number of openings of the solenoid valve 705 is reset and the number of times the solenoid valve 705 is opened is counted again.

[0024] At the same time, the wastewater is transported intermittently by the water inlet pipe 2 to ensure that the wastewater has enough time to be treated in the sewage treatment tank 1 .

[0025] See also Figure 7-8 , and when the active regulating device 7 fails to replenish the neutralizing liquid in time, or the regulating function of the active regulating device 7 fails, the pH value of the wastewater will further change (because the pH value of the wastewater separated by the three-phase separation of petroleum is closely related to the composition of the petroleum itself, such as the pH value of the wastewater with high alkali content can reach about 11, which has a great impact on the wastewater environment in the sewage treatment tank 1. Therefore, the start threshold of the solenoid valve 705 needs to be set by technicians in this field according to the actual situation, and the material selection of each part of the passive regulating device 8 also needs to be reasonably selected by technicians in this field according to the actual situation). At this time, the rapid dissolving part 801 will first be exceeded. The wastewater with a pH value in the range is dissolved, so that the pH blending unit 10 stored in the passive adjustment device 8 is released, and the pH value of the wastewater is quickly adjusted. After that, the slow dissolving part 802 will also slowly dissolve in the wastewater until the structure collapses. The slow dissolving part 802 is completely crushed under the weight of the passive adjustment device 8 above, and the adjacent passive adjustment device 8 located above completes the automatic loading work. The slow dissolving part 802 is used to realize intermittent loading of multiple passive adjustment devices 8, so as to avoid too slow reaction of wastewater pH value adjustment in a short time, which causes multiple passive adjustment devices 8 to take effect continuously, and it is not easy to over-adjust the pH value of the wastewater.

[0026] See also Figure 3 The impact hood 3 includes a hood body 301, which includes a cylindrical part and a pancake-shaped part. The pancake-shaped part of the hood body 301 is coated with an affinity coating at one end close to the water inlet pipe 2. The oil mixed in the wastewater that is washed by the pancake-shaped part will adhere to the pancake-shaped part of the hood body 301 to complete the water-oil separation, and it is easier to float on the surface of the wastewater after falling, reducing its influence on the data monitoring of the PH sensor 706. The pancake-shaped part of the hood body 301 is opened at one end close to the water inlet pipe 2 with a plurality of arc grooves 302. The plurality of arc grooves 302 do not intersect with each other and are curved, thereby increasing the water-oil separation effect.

[0027] See also Figure 8 The fast dissolving part 801 uses materials that are completely dissolved within ten minutes when the wastewater exceeds the preset pH value, and releases the pH adjusting unit 10 in time to adjust the pH. The slow dissolving part 802 is made of water-soluble materials, and it takes 30 minutes for the slow dissolving part 802 to dissolve until the structure collapses, so as to avoid the passive adjustment device 8 from having a too short feeding interval, which is not easy to cause excessive adjustment.

[0028] Taking the preset pH value of 9 as an example, the main material of the fast dissolving part 801 is zinc hydroxide, and some impurities that are insoluble in water and alkaline materials are doped. The dissolution rate of the fast dissolving part 801 is controlled by controlling the amount and distribution of impurities. The corresponding slow dissolving part 802 can be made of polyvinyl alcohol products, and the dissolution rate can also be controlled by doping. For example, the impurities are intertwined to form a network structure, which can increase the structural strength and slow down the dissolution rate. If the impurities are independent of each other, they will fall off after the slow dissolving part 802 is dissolved to a certain extent, thereby causing the overall structure of the slow dissolving part 802 to collapse and accelerating the dissolution rate.

[0029] See also Figure 5-7 The thickness of the plurality of passive adjustment devices 8 decreases from bottom to top, and the thickness difference between two adjacent passive adjustment devices 8 is the thickness of the sealing portion 803, so that the adjacent passive adjustment devices 8 are easy to fit with the release hole 604 after the loading is completed.

[0030] In the present application, an active regulating device 7 and a passive regulating device 8 are used to respectively realize active and passive regulation of the pH value of the wastewater in the sewage treatment tank 1, and the data detected by the pH sensor 706 is used to control the switch of the solenoid valve 705, thereby realizing active regulation of the pH value of the wastewater. When the pH value of the wastewater exceeds the control range of the active regulation of the active regulating device 7, the passive regulating device 8 is enabled to perform passive regulation. At the same time, the structural design of the passive regulating device 8 realizes automatic loading of multiple passive regulating devices 8, and controls the interval loading time, thereby avoiding excessive regulation caused by too short loading interval of the passive regulating device 8.

[0031] The second implementation method: Figure 9-10 The PH blending unit 10 shown in the figure includes a core part 1001, and the outer side of the core part 1001 is covered with a blending part 1002, wherein the density of the core part 1001 is less than that of the blending part 1002, and the core part 1001 is used to adjust the density of the entire PH blending unit 10. The harmonizing parts 1002 with different solubilities can make the pH harmonizing unit 10 suspended in different positions of the wastewater. The heat generated by the neutralization reaction drives the pH harmonizing unit 10 to move freely in the wastewater, so that the pH harmonizing unit 10 can be relatively evenly distributed in the wastewater. At the same time, after the harmonizing part 1002 is completely detached, the core part 1001 will float on the surface of the wastewater for easy uniform collection. The core parts 1001 filled in the multiple pH harmonizing units 10 have different colors. The multiple core parts 1001 are all made of magnetic materials. The multiple core parts 1001 are adsorbed on each other. The staff can judge how many passive regulating devices 8 are left in the regulating pile 6 according to the color of the core part 1001 floating on the surface of the wastewater, and replace the passive regulating device 8 in time. The density problem of the core part 1001 can be solved by excavating the hollow part.

[0032] See also Figure 1-2 The sewage treatment tank 1 includes a tank body 101, and a partition fence 102 is fixedly connected to the bottom plate of the tank body 101. The partition fence 102 divides the tank body 101 into two parts: a wastewater treatment chamber 103 and a transition chamber 104. The water inlet pipe 2 is connected to the wastewater treatment chamber 103, and the water outlet pipe 4 is connected to the transition chamber 104. The inner core 1001 floating on the surface will flow into the transition chamber 104 with the wastewater and gather in the transition chamber 104, which is convenient for centralized recovery.

[0033] Compared with the first embodiment, the structure of the pH adjusting unit 10 is refined in this embodiment, and the core part 1001 is used to adjust the overall density of the pH adjusting unit 10, so that the pH adjusting units 10 with different solubility levels float at different depths in the wastewater, making the adjustment effect more uniform, and a corresponding sewage treatment tank 1 structure is set to facilitate the subsequent recovery of the core part 1001.

[0034] In view of current practical needs, the above-mentioned implementation mode adopted in this application is not limited to the scope of protection. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the scope of protection of the present invention.

Claims

1. A wastewater treatment device for oil, gas and water three-phase separation, comprising a wastewater treatment tank (1), characterized in that: An inlet pipe (2) and an outlet pipe (4) are fixedly connected to two opposite walls of the sewage treatment pool (1), an impact cover (3) whose position matches that of the inlet pipe (2) is fixedly connected to the inner wall of the sewage treatment pool (1), a filter screen (5) matching the outlet pipe (4) is fixedly connected to the inside of the outlet pipe (4), and a plurality of pH adjustment piles are fixedly connected to the floor of the sewage treatment pool (1); The pH regulating pile comprises a regulating pile (6), the regulating pile (6) comprises a pile body (601), the pile body (601) is provided with a passive regulating part (603) and an active regulating part (602) in sequence from top to bottom, the upper opening of the passive regulating part (603) is threadedly connected to a sealing cover (9) matching the passive regulating part, the active regulating part (602) is plugged with an active regulating device (7) matching the active regulating part, the active regulating device (7) comprises a storage tank (701), the storage tank (701) is equipped with a neutralizing liquid, the upper end of the storage tank (701) is fixedly connected to a feeding pipe (702), and the feeding pipe (702) passes through the regulating pile (6) and extends into the passive regulating part (603), the upper end of the feeding pipe (702) is threadedly connected to a sealing plug (703), and the side wall of the storage tank (701) is fixedly connected to a discharge port ( The passive regulating part (603) comprises a plurality of passive regulating devices (8), and the plurality of passive regulating devices (8) are arranged on the outer side of the feeding pipe (702). A release hole (604) matching the passive regulating device (8) is formed on the outer wall of the passive regulating part (603). The passive regulating device (8) comprises a fast dissolving part (801), a slow dissolving part (802) and a sealing part (803). The fast dissolving part (801), the slow dissolving part (802) and the sealing part (803) form an annular structure. The passive regulating device (8) is loaded with a plurality of pH adjusting units (10).

2. The wastewater treatment equipment for oil, gas and water three-phase separation according to claim 1, characterized in that: The impact cover (3) comprises a cover body (301), wherein the cover body (301) comprises two parts, a cylindrical part and a pancake part, and an end of the pancake part of the cover body (301) close to the water inlet pipe (2) is coated with an affinity coating.

3. The wastewater treatment equipment for oil, gas and water three-phase separation according to claim 2 is characterized by: A plurality of arc-shaped grooves (302) are cut at one end of the pancake-shaped portion of the cover body (301) close to the water inlet pipe (2), and the plurality of arc-shaped grooves (302) do not intersect each other and are curved.

4. The wastewater treatment equipment for oil, gas and water three-phase separation according to claim 1, characterized in that: The fast dissolving part (801) is made of a material that completely dissolves in wastewater within ten minutes when the wastewater exceeds a preset pH value.

5. The wastewater treatment equipment for oil, gas and water three-phase separation according to claim 1, characterized in that: The slowly dissolving portion (802) is made of a water-soluble material, and it takes 30 minutes for the slowly dissolving portion (802) to dissolve until the structure collapses.

6. The wastewater treatment equipment for oil, gas and water three-phase separation according to claim 1, characterized in that: The thickness of the plurality of passive adjustment devices (8) decreases sequentially from bottom to top, and the thickness difference between two adjacent passive adjustment devices (8) is equal to the thickness of the sealing portion (803).

7. The wastewater treatment equipment for oil, gas and water three-phase separation according to claim 1, characterized in that: The PH blending unit (10) comprises a core part (1001), the outer side of the core part (1001) is covered with a blending part (1002), wherein the density of the core part (1001) is lower than that of the blending part (1002).

8. The wastewater treatment equipment for oil, gas and water three-phase separation according to claim 7, characterized in that: The core parts (1001) filled in the multiple pH blending units (10) have different colors, and the multiple core parts (1001) are all made of magnetic materials, and the multiple core parts (1001) are mutually adsorbed.

9. The wastewater treatment equipment for oil, gas and water three-phase separation according to claim 1, characterized in that: The sewage treatment tank (1) comprises a tank body (101), a partition fence (102) being fixedly connected to the bottom plate of the tank body (101), the partition fence (102) dividing the tank body (101) into two parts, a wastewater treatment chamber (103) and a transition chamber (104), the water inlet pipe (2) being connected to the wastewater treatment chamber (103), and the water outlet pipe (4) being connected to the transition chamber (104).

Images