CN219209128U - On-line quick cleaning type filter - Google Patents

On-line quick cleaning type filter Download PDF

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Publication number
CN219209128U
CN219209128U CN202223257583.5U CN202223257583U CN219209128U CN 219209128 U CN219209128 U CN 219209128U CN 202223257583 U CN202223257583 U CN 202223257583U CN 219209128 U CN219209128 U CN 219209128U
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China
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filter
cylinder
conical
cylinder body
filtering
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CN202223257583.5U
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Chinese (zh)
Inventor
高小键
高帅
李峰
钱凯
马鹏飞
曹旋
毛先荣
刘昂
姚政
王忠兴
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model discloses an online quick-cleaning filter, which comprises a filter cylinder, wherein the bottom of the filter cylinder is provided with a conical bearing cylinder, the top of the filter cylinder is provided with a top cover, the conical part of the conical bearing cylinder is downward, the conical part of the conical bearing cylinder is provided with an outlet and is connected with a control ball valve, the bottom of the control ball valve is connected with a slag discharging port, and the inner wall of the filter cylinder is obliquely provided with a filter assembly along the horizontal direction; the filter cylinder body is positioned below the filter assembly and is formed into a liquid inlet part together with the conical receiving cylinder, the filter cylinder body is positioned above the filter assembly and is formed into a liquid outlet part, the side wall of the filter cylinder body positioned in the liquid inlet part is connected with an inlet flange in a conducting manner, and the side wall of the filter cylinder body positioned in the liquid outlet part is connected with an outlet flange in a conducting manner; a filtering detection piece for detecting differential pressure is arranged between the inlet flange and the outlet flange. The utility model has the advantages of convenient and compact structure, capability of quickly cleaning and filtering impurities under the condition of not stopping the device, time and labor saving and certain practicability.

Description

On-line quick cleaning type filter
Technical Field
The utility model belongs to the technical field of auxiliary equipment for treating and filtering produced water of oil and gas fields, and particularly relates to an online quick-cleaning filter.
Background
At present, a large amount of produced water is generated in the development process of the oil and gas field, and because the produced water of the oil and gas field has complex components and high mineralization degree, a certain proportion of medicaments are required to be added in the treatment process, and the dissolution balance of a plurality of ions of a water system is broken along with the temperature rise (20 ℃ to 110 ℃) in the treatment process of the produced water, a large amount of mineral crystal impurities are separated out, so that a filter is blocked. The inlet filter is blocked, so that the machine pump is insufficient in quantity and insufficient in cooling, the machine pump bearing is sintered to be damaged, and the machine pump motor is scrapped when the blockage is serious. In order to ensure the normal operation of the device, the filter at the inlet of the pump is required to be cleaned in time during daily management, and the filter is generally required to be cleaned once per shift. The basket filters currently in use have mainly the problem: first: when the filter screen is cleaned, all eight bolts of the top gland are required to be disassembled, sediment at the bottom of the filter basket is manually cleaned, the disassembling and cleaning processes are completed by two persons in a matched mode, and the labor intensity of staff is high; second,: thirty minutes are required for each cleaning, and the methanol recovery device is stopped during the cleaning and cannot continuously run; third,: the temperature of the bottom liquid medium of the methanol recovery device is about 105 ℃, and potential safety hazards of scalding exist during the operation of staff.
Disclosure of Invention
The utility model aims to provide an online quick-cleaning filter, which solves the problems that the cleaning operation is not convenient enough and a certain potential safety hazard possibly exists in the cleaning of the existing machine pump inlet filter.
The technical scheme adopted by the utility model is as follows;
the online quick-cleaning filter comprises a filter cylinder, wherein the bottom of the filter cylinder is provided with a conical receiving cylinder, the top of the filter cylinder is connected with a top cover, the conical part of the conical receiving cylinder is downward, the conical part of the conical receiving cylinder is connected with a slag discharging control assembly, and the inner wall of the filter cylinder is obliquely provided with a filter assembly along the horizontal direction; the filter cylinder body is positioned below the filter assembly and is formed into a liquid inlet part together with the conical receiving cylinder, the filter cylinder body is positioned above the filter assembly and is formed into a liquid outlet part, the side wall of the filter cylinder body positioned in the liquid inlet part is connected with an inlet flange in a conducting manner, and the side wall of the filter cylinder body positioned in the liquid outlet part is connected with an outlet flange in a conducting manner; a filtering detection piece for detecting differential pressure is arranged between the inlet flange and the outlet flange.
The utility model is also characterized in that;
the filter component comprises a filter screen fixing ring arranged on the inner side wall of the filter cylinder, a filter screen is arranged on the filter screen fixing ring, and a compression ring is arranged at one end of the filter screen, far away from the filter screen fixing ring.
The filter sensing element is a differential pressure transmission disposed between the inlet flange and the outlet flange.
A plurality of second mounting holes are formed in the circumferential direction of the top cover, the top of the filter cylinder body is connected with a mounting ring, and a plurality of first mounting holes are formed in the circumferential direction of the mounting ring corresponding to the second mounting holes.
The mounting ring and the filter cylinder are integrally formed, and the edge part of the mounting ring extends out of the filter cylinder along the radial direction of the filter cylinder.
A sealing ring is also arranged between the top cover and the filtering cylinder body.
The slag discharging control assembly comprises a control ball valve connected with the conical part of the conical bearing cylinder, and one end of the control ball valve, which is far away from the conical bearing cylinder, is connected with a slag discharging port.
The beneficial effects of the utility model are as follows: the on-line rapid cleaning type filter is suitable for filtering links in the oil-gas field produced water treatment and other fields, has a light structure, is convenient to maintain, and has a strong application prospect. The filter utilizes the hydraulic flushing principle to clean and discharge the internal filter screen and the residues left by filtration, the cleaning operation only needs to open the bottom blow-down valve, the top gland of the filter does not need to be opened, the labor intensity of staff in the post is greatly lightened, the safety and environmental protection risks are reduced, and the maintenance cost of a pump of a machine is saved.
Drawings
FIG. 1 is a schematic view of the structure of the in-line rapid cleaning filter of the present utility model.
In the figure: 1. a top cover, a filter screen compression ring; 3. a seal ring; 4. a filter screen; 5. a filter cylinder; 6. a filter screen fixing ring; 7. an inlet flange; 8. a conical receiving cylinder; 9. controlling a ball valve; 10. a slag discharge port; 11. an outlet flange; 12. a differential pressure transmission; 13. a first mounting hole; 14. a second mounting hole; 15. and (5) a mounting ring.
Detailed Description
The in-line quick-clean filter of the present utility model will be described in further detail with reference to the drawings and detailed description.
The utility model designs a quick cleaning filter through a large amount of researches and repeated research tests on actual use conditions on site. The filter utilizes the principle of hydraulic flushing to clean and discharge residues remained by filtering an internal filter screen. The cleaning operation only needs to open the control ball valve 9 at the bottom, does not need to open the gland at the top of the filter, greatly lightens the labor intensity of staff at the post, reduces the safety and environmental protection risks and saves the maintenance cost of the pump. The structure is as follows.
As shown in fig. 1, the online quick-cleaning filter comprises a filter cylinder body 5 and a conical receiving cylinder 8 integrally formed with the filter cylinder body, wherein a mounting ring 15 is formed at the top of the filter cylinder body 5, the mounting ring 15 is outwards turned along the side wall of the filter cylinder body 5, 4-8 first mounting holes 13 are uniformly formed in the mounting ring 15, a top cover 1 is configured on the mounting ring 15, 4-8 second mounting holes 14 are formed in the circumferential direction of the top cover, and of course, the number of the first mounting holes 13 and the second mounting holes 14 is selected according to actual needs, so that the first mounting holes and the second mounting holes 14 are consistent.
Example 1;
an annular groove is formed between the filter cylinder 5 and the top cover 1 and used for accommodating the O-shaped sealing ring 3, and the sealing ring 3 is arranged in the annular groove during installation to realize sealing between the filter cylinder 5 and the top cover 1.
Example 2;
the cone part of the cone-shaped receiving cylinder 8 is downward, a section of cylindrical channel is integrally formed at the cone part, the channel is connected with a control ball valve 9, and the bottom of the control ball valve 9 is connected with a slag discharging port 10. The cone-shaped receiving cylinder 8 is used for receiving and temporarily storing the filtered impurities, and the filtered impurities are discharged through the slag discharge port 10 after the control ball valve 9 is opened.
Example 3;
the filter cylinder 5 is internally provided with a filter assembly, specifically: the inner wall of the filter cylinder 5 is obliquely provided with a filter screen fixing ring 6 along the horizontal direction; the inclination angle is generally selected to be 45 degrees, and can be adjusted according to actual needs. The filter screen fixing ring 6 is provided with a filter screen 4, and the filter screen 4 is provided with a filter screen compression ring 2. It may be provided as a screw press or snap-fit or the like in order to secure the filter screen 4 to the screen securing ring 6. The filtering cylinder 5 and the conical receiving cylinder 8 are formed into a liquid inlet part under the filtering component, the filtering cylinder 5 is formed into a liquid outlet part above the filtering component, the side wall of the liquid inlet part of the filtering cylinder 5 is connected with an inlet flange 7 in a conducting way, and the side wall of the liquid outlet part of the filtering cylinder 5 is connected with an outlet flange 11 in a conducting way; the inlet flange 7 is used to connect the process line of the filter medium and the outlet flange 11 is used to connect the filtered outlet line. A differential pressure transmission 12 is provided between the inlet flange 7 and the outlet flange 11, and the differential pressure transmission 12 detects the amount of the slag by measuring the differential pressure of the inlet flange 7 and the outlet flange 11 in real time.
Example 4; the radial dimensions of the inlet flange 7 and the outlet flange 11 are determined according to the flow rate in field use. The size of the filtering cylinder 5 is generally more than five times of the radial size of the inlet flange 7 and the outlet flange 11, the diameter of the slag discharging port of the funnel-shaped bottom bag is lower than that of the liquid inlet pipeline, so as to ensure the flow rate during slag discharging, achieve the best effect, the control ball valve 9 is generally selected to be a quick-opening ball valve, achieve the quick-opening and quick-closing effect, the mesh number of the filtering net 4 is generally selected to be 10-80 meshes according to the actual working condition requirement of the water treatment site, and the filtering net can be replaced at any time according to the working condition requirement.
The working principle and engineering of the online quick cleaning filter of the utility model are as follows: the liquid with power to be filtered enters the liquid inlet part through the inlet flange 7, relatively clean liquid flows out from the liquid outlet part through the outlet flange 11 after being filtered by the filter screen 4, most filter residues fall into the conical receiving cylinder 8 after being blocked by the filter screen 4, and a small part of the filter residues are adsorbed on the filter screen 4, when the control ball valve 9 and the slag discharging port 10 are opened, the outlet flange 11 is closed to drain liquid, the liquid in the liquid inlet part flows through the filter screen 4 and returns to the conical receiving cylinder 8, so that the effect that the small part of the filter residues adsorbed on the filter screen 4 fall into the conical receiving cylinder 8 after being flushed by water flow is realized, and the filter screen 4 is automatically cleaned is realized.
The online quick-cleaning filter provided by the utility model has the advantages that through reasonable design, the filter impurities in the filter can be quickly cleaned under the condition of not stopping the device to a certain extent, the time and the labor are saved, the space occupation is small, the structure is convenient and compact, and the practicability is better.

Claims (7)

1. The online quick-cleaning filter is characterized by comprising a filter cylinder body (5), wherein a conical bearing cylinder (8) is arranged at the bottom of the filter cylinder body (5), a top cover (1) is connected to the top of the filter cylinder body, the conical part of the conical bearing cylinder (8) is downward, a slag discharging control assembly is connected to the conical part of the conical bearing cylinder (8), and a filter assembly is obliquely arranged on the inner wall of the filter cylinder body (5) along the horizontal direction; the filtering cylinder body (5) is positioned below the filtering assembly and is formed into a liquid inlet part together with the conical receiving cylinder (8), the filtering cylinder body (5) is positioned above the filtering assembly and forms a liquid outlet part, the side wall of the filtering cylinder body (5) positioned in the liquid inlet part is connected with an inlet flange (7) in a conducting manner, and the side wall of the liquid outlet part is connected with an outlet flange (11) in a conducting manner; a filtering detection piece for detecting differential pressure is arranged between the inlet flange (7) and the outlet flange (11).
2. The online quick-cleaning filter according to claim 1, wherein the filter assembly comprises a filter screen fixing ring (6) arranged on the inner side wall of the filter cylinder (5), a filter screen (4) is arranged on the filter screen fixing ring (6), and a compression ring (2) is arranged at one end, far away from the filter screen fixing ring (6), of the filter screen (4).
3. The on-line rapid cleaning filter according to claim 1, characterized in that the filter detection element is a differential pressure transmission (12) arranged between the inlet flange (7) and the outlet flange (11).
4. The online quick-cleaning filter according to claim 1, wherein a plurality of second mounting holes (14) are formed in the circumferential direction of the top cover (1), a mounting ring (15) is connected to the top of the filter cylinder (5), and a plurality of first mounting holes (13) are formed in the circumferential direction of the mounting ring (15) corresponding to the second mounting holes (14).
5. The on-line quick-clean filter according to claim 4, characterized in that the mounting ring (15) is integrally formed with the filter cartridge (5), and that the edge portion of the mounting ring (15) extends out of the filter cartridge (5) in the radial direction of the filter cartridge (5).
6. The on-line rapid cleaning filter according to claim 1, characterized in that a sealing ring (3) is also arranged between the top cover (1) and the filter cylinder (5).
7. The on-line rapid cleaning filter according to claim 1, wherein the slag discharge control assembly comprises a control ball valve (9) connected to the conical portion of the conical receiving cylinder (8), and the control ball valve (9) is connected with a slag discharge port (10) at one end far away from the conical receiving cylinder (8).
CN202223257583.5U 2022-12-06 2022-12-06 On-line quick cleaning type filter Active CN219209128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223257583.5U CN219209128U (en) 2022-12-06 2022-12-06 On-line quick cleaning type filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223257583.5U CN219209128U (en) 2022-12-06 2022-12-06 On-line quick cleaning type filter

Publications (1)

Publication Number Publication Date
CN219209128U true CN219209128U (en) 2023-06-20

Family

ID=86750660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223257583.5U Active CN219209128U (en) 2022-12-06 2022-12-06 On-line quick cleaning type filter

Country Status (1)

Country Link
CN (1) CN219209128U (en)

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