CN217519310U - High-precision filtering control valve - Google Patents

High-precision filtering control valve Download PDF

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Publication number
CN217519310U
CN217519310U CN202221330866.5U CN202221330866U CN217519310U CN 217519310 U CN217519310 U CN 217519310U CN 202221330866 U CN202221330866 U CN 202221330866U CN 217519310 U CN217519310 U CN 217519310U
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control valve
filter element
water
outlet
water inlet
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翁火中
李锦玉
王福权
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Mateway Valve Manufacturing Co ltd
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Mateway Valve Manufacturing Co ltd
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Abstract

The utility model discloses a high-precision filtering control valve, which comprises a housing, a control switch and a filter element, wherein the housing is provided with a water inlet, a water outlet and a drain outlet, the control valve is arranged on the housing and used for controlling the switch of the water inlet, the filter element is arranged inside the housing, the water outlet is communicated with the space between the filter element and the inner wall of the housing, the drain outlet is communicated with the inside of the filter element, the filter element is formed by performing superposition pressing and vacuum sintering on a first framework layer, a first filtering layer, a second filtering layer and a second framework layer which are sequentially arranged from inside to outside, and the first framework layer, the first filtering layer, the second filtering layer and the second framework layer are all stainless steel wire mesh structures; connectors are arranged on the water inlet and the water outlet, and a connecting plug is arranged on the sewage draining port. The utility model discloses a be equipped with the connector on the water inlet of high-accuracy filtration control valve and the delivery port, be equipped with on the drain and connect the end cap, conveniently connect like this and dismantle, when blockking up, dismantle and connect the end cap, can change inside filter core.

Description

High-precision filtering control valve
Technical Field
The utility model relates to a control valve technical field, concretely relates to high-accuracy filtration control valve.
Background
In recent years, with the continuous development of oil and gas fields worldwide, new attempts and breakthroughs are made on the technology for treating the effluent of the oil well, and the technology for filtering, separating and reinjecting the effluent of the oil well is increasingly regarded by the oil and gas industry. However, the existing oil well exploitation generally adopts an oil well sewage treatment process technology of 'oil-gas-water mixed exploitation-ground separation-sewage treatment-sewage reinjection process', oil field oily sewage is subjected to centralized treatment in a sewage station and then is remotely conveyed to a water injection valve group through a pipeline, the water quality of a wellhead is greatly deteriorated due to the reduction of temperature, the breeding of bacteria and the secondary pollution of the pipeline, and the requirement of stratum reinjection water cannot be met far, so that the reinjection water needs to be further filtered by adopting a high-precision filtering control valve, but the existing oil well reinjection water fine filter has the advantages of large volume, complex structure, high failure rate, high early investment cost and high later operation management cost; and the existing filter is directly connected with the wellhead of the oil well and a water distribution station through pipelines, so that the filter element cannot be cleaned after being blocked, the filter element is corroded and rotted, and the replacement workload is large.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides a high-accuracy filtration control valve.
The utility model discloses a high-precision filtering control valve, including casing, control switch and filter core, be equipped with water inlet, delivery port and drain on the casing, the control valve is located on the casing and be used for controlling the switch of water inlet, the filter core is located inside the casing, the delivery port with the filter core with the space between the casing inner wall intercommunication, the drain with the filter core is inside to be communicated, the filter core is by arranging first skeleton layer, first filter layer, second filter layer and second skeleton layer from inside to outside in proper order and carrying out stack pressing and vacuum sintering and form, first skeleton layer, first filter layer, second filter layer and second skeleton layer are stainless steel wire mesh structure;
the water inlet and the water outlet are respectively provided with a connector, and the sewage outlet is provided with a connecting plug.
Preferably, the water inlet and the sewage draining exit are respectively positioned at two opposite ends of the shell, and the water outlet is positioned at the side surface of the shell.
Preferably, the housing is cylindrical.
Preferably, the filter pores of the filter element have a diameter of 1-150 μm.
Preferably, the connector is a flange connector or a clamp connector.
Preferably, the connecting plug is a flange cover plate or a hoop plug.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a be equipped with the connector on the water inlet of high-accuracy filtration control valve and the delivery port, be equipped with on the drain and connect the end cap, conveniently connect like this and dismantle, when blockking up, dismantle and connect the end cap, can change inside filter core.
Drawings
FIG. 1 is a schematic structural view of the high-precision filtration control valve of the present invention;
FIG. 2 is another schematic structural diagram of the high-precision filtration control valve of the present invention;
FIG. 3 is another schematic structural diagram of the high-precision filtration control valve of the present invention;
FIG. 4 is another schematic structural diagram of the high-precision filtration control valve of the present invention;
fig. 5 is a structure diagram of the filter element in the high-precision filtering control valve of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the utility model provides a high-precision filtering control valve, which comprises a shell 1, a control switch 2 and a filter element 3, wherein the shell 1 is provided with a water inlet 11, a water outlet 12 and a sewage draining exit 13, the control valve is arranged on the shell 1 and is used for controlling the switch of the water inlet 11, the filter element 3 is arranged inside the shell 1, the water outlet 12 is communicated with the space between the filter element 3 and the inner wall of the shell 1, and the sewage draining exit 13 is communicated with the inside of the filter element 3;
wherein, the water inlet 11 and the water outlet 12 are both provided with connectors 4, and the sewage outlet 13 is provided with a connecting plug 5. Through being provided with connector 4 and making things convenient for this high accuracy filtration control valve and with the water distribution room, stationary flow distribution valves and water injection well head to match, and be equipped with and connect end cap 5 and conveniently dismantle, it is simple quick to change filter core 3.
Further, the connector 4 is a flange connector 4 or a hoop connector 4. The connecting plug 5 is a flange cover plate or a hoop plug.
Referring to fig. 1, the water inlet 11 and the water outlet 12 are both hoop connectors 4, and the sewage outlet 13 is a hoop plug.
Referring to fig. 2, the water inlet 11 and the water outlet 12 are both flange connectors 4, and the sewage outlet 13 is a hoop plug.
Referring to fig. 3, the water inlet 11 and the water outlet 12 are both provided with a hoop connector 4, and the sewage outlet 13 is provided with a flange cover plate.
Referring to fig. 4, the water inlet 11 and the water outlet 12 are both flange connectors 4, and the sewage outlet 13 is a flange cover plate.
Of course, the embodiment is not only provided with the four types, but also provided with other freely combined forms, which are not listed here, and in the present application, the water inlet 11 and the sewage discharge outlet 13 are respectively located at two opposite ends of the housing 1, the water outlet 12 is located at a side surface of the housing 1, and the housing 1 is cylindrical.
In this embodiment, the high-precision filtering control valve is a device that is installed on a water injection well head of an oil field and filters secondary pollution distribution matters in water injected into the oil field, such as mechanical impurities like dirty oil, suspended matters, fine silt, etc., and is suitable for a water distribution room, a steady-flow water distribution valve group and a water injection well head of an oil field water injection system; the use of the high-precision filtering control valve can effectively improve the quality of water injection, reduce the blockage of mechanical impurities to the stratum, protect the water absorption capacity of the reservoir and be necessary for the water injection work of the peripheral low-permeability oil field; the high-precision filtering control valve has the characteristics of small volume, light weight, high pressure resistance, long service life, easiness in installation, simplicity and convenience in operation, obvious filtering effect, good reliability and the like, the water quality filtering precision can be regulated and controlled according to the precision of the filter element 3, the filter element 3 can be repeatedly used, and great convenience is brought to the use of a user.
Furthermore, the control switch 2 is a flashboard type switch, and the high-precision filtering control valve adopts a direct filtering type suspended matter removing mode, the structure is simple and miniaturized, after the high-precision filtering control valve is used for processing, the water outlet index of the high-precision filtering control valve reaches that the oil content is less than or equal to 2mg/l, the suspended matter content is less than or equal to 3mg/l, water processing is carried out on site by utilizing a water injection wellhead, and then the water is injected back into a target layer of an oil well, so that the pipe transportation is reduced, the ground processing cost is reduced, the economic life of the oil and gas well is prolonged, and the economic benefit of the oil and gas field is improved. The filter element 3 is backwashed by utilizing the pressure difference change of the inlet water and the outlet water, so that the operation is simple and the backwashing is quick; the specific working principle is as follows: forward filtering: the water enters the filter element 3 to be positively filtered, the clear water flows out between the filter element 3 and the shell 1, when the filter element 3 needs to be replaced, the water control switch 2 is closed, the connecting plug 5 is opened to take out the filter element 3, and only 3 to 5 minutes are needed. And (4) installing the filter element 3 and locking the clamp, and opening the water supply control valve to continue water injection. And (3) reverse filtration: under the action of certain pressure, water flows into the space between the filter element 3 and the shell 1, suspended matters in the water are prevented from being outside the filter element 3, the treated water flows into a well from the inside of the filter element 3, and the particle size of the treated water can be effectively removed by using a high-precision filtering control valve and is more than or equal to 1 mu m; mechanical impurities less than or equal to 150 mu m, further purifying the quality of the injected water.
Referring to fig. 5, the filter element 3 is formed by stacking, pressing and vacuum sintering a first skeleton layer 31, a first filter layer 32, a second filter layer 33 and a second skeleton layer 34 which are sequentially arranged from inside to outside, wherein the first skeleton layer 31, the first filter layer 32, the second filter layer 33 and the second skeleton layer 34 are all stainless steel wire mesh structures; the filter element 3 sintered by adopting a plurality of layers of sintered metal wire meshes is manufactured by a special laminating pressing and vacuum sintering process, has the characteristics of strong corrosion resistance, good permeability, high strength, easy cleaning and back cleaning, accurate filtering precision, sanitary and clean filter material, no falling of the wire meshes and the like, and the aperture of the filter hole of the filter element 3 is 1-150 mu m, namely the aperture of the filter hole can be adjusted and the filtering precision can also be adjusted; stainless steel five-layer wire mesh sintering filter tube (1-150 μm adjustable). The precision and the working state of stainless steel filter screens with different specifications are shown in the following table 1:
TABLE 1
Figure BDA0003670263050000041
The advantages of using the filter element 3 in this embodiment are: the high-strength high; the precision is uniform and stable, the uniform and consistent filtering performance can be achieved for all filtering precisions, and meshes are not changed in use; can be used for filtering in the temperature environment of minus 30 ℃ to 100 ℃ and in the acid-base environment; the countercurrent cleaning effect is good, the use is repeated, and the service life is long. (washing with counter-current water, filtrate, ultrasonic wave, dissolving, baking, etc.).
Through the comparison of the water quality of the inlet and the outlet of the high-precision filtering control valve, the following table 2 shows that:
Figure BDA0003670263050000051
as can be seen from Table 2, the quality of the filtered water was significantly improved. By using the high-precision filtering control valve of the water injection well, the mechanical impurity content and the oil content before and after filtering are obviously reduced, and the water injection quality of the water injected into the sewage well is effectively improved; reduce the blockage of the stratum and improve the water absorption capacity. Due to the use of the high-precision filtering control valve, the injected water quality is obviously improved, the pollution to an oil layer is reduced, the rising speed of water injection pressure is slowed down, the contradiction between the layers in the layer is relieved, and the water injection capacity is obviously improved; the oil extraction cost is reduced. After the quality of the injected water is improved, the corrosion and scaling tendency of a shaft of the water injection well is slowed down, and the corrosion to a pipe network is reduced, so that the cleaning cost of the pipe network is greatly reduced; the application of the MTW-ZGJLF250-65/25 high-precision filtering control valve improves the blending rate of a water injection well and the dispensing qualification rate of a dispensing well, and the oil increasing effect is also seen for a corresponding oil well.
In the embodiment, the model of the high-precision filtering control valve is MTW-ZGJLF250-65/25, and the advantages are as follows: the fluid resistance is small, because the medium channel in the gate switch valve body is straight, the flowing direction of the medium is not changed when the medium flows through the interior of the valve body; the moment required by opening and closing is small, and the action force for overcoming the medium is much smaller because the movement direction of the flashboard is vertical to the flow direction of the medium when the flashboard is opened and closed; the flow direction of the medium is not limited, and the medium can flow through the two sides of the flashboard type switch valve in any direction, so that the aim of connection or disconnection can be fulfilled; when the valve is fully opened, the sealing surface is less eroded by working media; the body structure is simple, and the manufacturing process is good; the structure length is short because the flashboard is disc-shaped and is vertically arranged in the valve body, and the valve clacks of other valves (such as a stop valve) are arranged in the valve in parallel. Due to the advantages of the gate type switch valve, the application range of the gate type switch is wide, and the gate type switch valve is usually used as a device for cutting off a medium by a pipeline; the precision of the filter element 3 can be regulated and controlled as required, impurities such as suspended matters, oil silt and the like are effectively intercepted, and the water injection quality is improved; the high-precision filtering control valve has small volume, high pressure resistance and high reliability; the filter element 3 adopts a brand-new design, can intercept fine impurities and effectively protects the instrument; the filter screen is cleaned regularly and reused, so that the production cost is saved; the labor intensity of workers is reduced, and the continuous stability of production is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A high-precision filtering control valve is characterized by comprising a shell, a control switch and a filter element, wherein the shell is provided with a water inlet, a water outlet and a sewage draining outlet, the control valve is arranged on the shell and used for controlling the switch of the water inlet, the filter element is arranged in the shell, the water outlet is communicated with the space between the filter element and the inner wall of the shell, the sewage draining outlet is communicated with the interior of the filter element, the filter element is formed by sequentially arranging a first framework layer, a first filtering layer, a second filtering layer and a second framework layer from inside to outside, performing superposition pressing and vacuum sintering, and the first framework layer, the first filtering layer, the second filtering layer and the second framework layer are all stainless steel wire mesh structures;
the water inlet and the water outlet are respectively provided with a connector, and the sewage outlet is provided with a connecting plug.
2. The high precision filtration control valve of claim 1, wherein the water inlet and the drain outlet are located at opposite ends of the housing, respectively, and the water outlet is located at a side of the housing.
3. The high precision filtration control valve of claim 2, wherein the housing is cylindrical.
4. The high precision filtration control valve of claim 3, wherein the filter pores of the filter element have a pore size of 1-150 μm.
5. The high precision filtration control valve of claim 1, wherein the connector is a flange connector or a clip connector.
6. The high precision filtration control valve of claim 1, wherein said connection plug is a flange plate or a clip plug.
CN202221330866.5U 2022-05-30 2022-05-30 High-precision filtering control valve Active CN217519310U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221330866.5U CN217519310U (en) 2022-05-30 2022-05-30 High-precision filtering control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221330866.5U CN217519310U (en) 2022-05-30 2022-05-30 High-precision filtering control valve

Publications (1)

Publication Number Publication Date
CN217519310U true CN217519310U (en) 2022-09-30

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Application Number Title Priority Date Filing Date
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Country Status (1)

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