CN211025336U - Quick cleaning filter without dismounting filter screen - Google Patents
Quick cleaning filter without dismounting filter screen Download PDFInfo
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- CN211025336U CN211025336U CN201921568328.8U CN201921568328U CN211025336U CN 211025336 U CN211025336 U CN 211025336U CN 201921568328 U CN201921568328 U CN 201921568328U CN 211025336 U CN211025336 U CN 211025336U
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- filter screen
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Abstract
A quick cleaning filter without dismounting a filter screen comprises a filter cylinder body, the filter screen arranged in the filter cylinder body, an upper flange cover and a lower flange cover which are arranged on end covers at the upper end and the lower end of the filter cylinder body, wherein a pipeline flange communicated with a containing cavity of the filter cylinder body is oppositely arranged on the filter cylinder body, and a cross-shaped channel is formed; a filter screen sealing table surface which is inclined towards the fluid outlet direction is arranged on the inner wall of the filter cylinder body, the filter screen is reversely buckled on the filter screen sealing table surface, and the filter screen sealing table surface is attached to and sealed with the edge of the inversely-installed filter screen; the lower flange cover is provided with a discharge valve for controlling sewage in the filter cylinder and a control valve of the rotary cleaning nozzle, so that the rotary cleaning nozzle can automatically clean the filter screen. The utility model can rapidly clean the filter screen without disassembling and assembling the filter screen on the filter, thereby improving the operation efficiency; in addition, the filter screen can be quickly cleaned in the closed space inside the filter, so that the occupation of industrial land is reduced.
Description
Technical Field
The utility model relates to a filter especially relates to a quick cleaning filter who is used for intercepting low viscosity liquid impurity to need not the dismouting and can realize that the filter screen washs fast and get rid of the dismouting-free filter screen of impurity. Belongs to the field of petroleum and chemical industry.
Background
At present, in the process flow of the industries of petroleum, chemical engineering and the like, in order to protect the safe operation of mechanical equipment such as pumps and the like, a filter needs to be arranged in a pipeline before the safe operation of the equipment, and impurities in liquid are intercepted and filtered through a filter screen arranged in the filter so as to avoid influencing the safe operation of the equipment.
CN106390583A discloses a filter comprising: preceding shell, backshell, filter screen and filter core, and preceding shell, backshell are detachable connection. However, when the filter screen of the filter is blocked by impurities in fluid in the operation process and needs to be cleaned, the filter screen can be taken out for cleaning only after the front shell and the rear shell are detached, and the filter screen can be put into use after being cleaned and then being installed again. The operation process of the filter is complex, and the filter needs frequent operation and consumes more manpower and material resources for the working condition with more impurities in the liquid; moreover, the gasket of the filter is also vulnerable to frequent disassembly and assembly. Meanwhile, when the intercepted impurities are deposited on the filter screen of the filter, the filter screen is easy to cause secondary pollution in the filter screen, and the effective service cycle of the filter is shortened. In addition, the open cleaning of the filter screen in the filter requires a special cleaning pool, which not only occupies valuable industrial space, but also easily causes environmental pollution and consumes a large amount of cleaning solution.
SUMMERY OF THE UTILITY MODEL
The main purpose of the utility model is to overcome the above disadvantages of the prior art, and to provide a quick cleaning filter without disassembling and assembling the filter screen, which not only solves the problem that the filter screen on the filter is not required to be disassembled and assembled, but also can be quickly cleaned, reduces the damage rate of equipment parts such as sealing gasket, and effectively improves the operation efficiency; moreover, the problem that cleaning operation can be completed in a closed space inside the filter is solved, and occupation of industrial land is reduced; meanwhile, the problem that the filter screen intercepts impurities to secondarily pollute the filter screen is solved, and the pollution of cleaning operation to the surrounding environment is avoided.
The utility model aims at being realized by following technical scheme:
the utility model provides a quick cleaning filter of dismouting filter screen exempts from which characterized in that: the filter comprises a filter cylinder, a filter screen arranged in the filter cylinder, an upper flange cover and a lower flange cover which are arranged on end covers at the upper end and the lower end of the filter cylinder and used for sealing the filter cylinder, wherein a pipeline flange used for connecting a process pipeline is oppositely arranged on the filter cylinder, and the pipeline flange is communicated with a cavity of the filter cylinder and forms a cross-shaped channel; a filter screen sealing table surface which is inclined towards the direction of a fluid outlet is arranged on the inner wall of the filter cylinder body, the opening of the filter screen is downward and is reversely buckled on the filter screen sealing table surface in the filter cylinder body, and the filter screen sealing table surface is attached to and sealed with the edge of the reversely-installed filter screen;
an exhaust valve and an upper cleaning spray head for isolating and decompressing the filter are respectively arranged on the upper flange cover through an upper water inlet pipeline, the upper water inlet pipeline is communicated with the upper flange cover, and the bottom of the upper water inlet pipeline extends into the upper flange cover;
the lower flange cover is respectively provided with a drain valve for controlling sewage in the filter cylinder body through a sewage discharge pipeline and a rotary cleaning spray head control valve through a cleaning water pipeline, and the sewage discharge pipeline and the cleaning water pipeline are communicated with the lower flange cover; the cleaning water pipeline extends into the filter screen in the filter cylinder body, and the top of the cleaning water pipeline is provided with a rotary cleaning spray head; and opening the control valve of the rotary cleaning nozzle to enable the rotary cleaning nozzle to automatically clean the filter screen, and discharging sewage generated after cleaning into the discharge tank through a discharge pipeline and a discharge valve below the filter cylinder.
The pipeline flange is arranged in the middle of the filter cylinder body.
The inclination angle of the sealing table surface of the filter screen is between 30 and 60 degrees; and a sealing gasket is arranged on the sealing table surface of the attached filter screen.
The sealing gasket is arranged between the filter screen sealing table surface of the filter cylinder and the inclined cutting surface of the filter screen, and the sealing gasket is a polytetrafluoroethylene gasket.
Filter screen fixing device is installed at the top of filter screen, and filter screen fixing device includes: a plurality of screw and nut pairs oppositely arranged on the inner wall of the filter cylinder; the screw nuts tightly press the filter screen from top to bottom to make the filter screen tightly fit with the sealing surface inside the filter cylinder.
The filter cylinder body is of a cylindrical structure; the upper end and the lower end of the filter cylinder body are provided with end covers protruding out of the filter cylinder body for flange installation.
The upper cleaning spray head is arranged at the bottom of the upper water inlet pipeline and is tightly attached to the upper end cover; and the cleaning water sprayed by the upper cleaning spray head is fan-shaped.
The spin rinse head extends into the filter cartridge at a screen height from 1/2 to 2/3 of the screen interior.
The filter screen is a basket filter screen.
The filter screen is arranged on the main frame and is wrapped by stainless steel filter cloth; the upper part of the main frame of the filter screen is provided with a handle for lifting the filter screen; and the filter screen is positioned below the filter screen fixing device.
The utility model has the advantages that: the utility model adopts the technical proposal, the structure is simple, and the installation is convenient; the filter screen on the filter is not required to be disassembled and assembled, the filter screen can be quickly cleaned, the damage rate of equipment parts such as a sealing gasket and the like and the use amount of cleaning liquid are greatly reduced, and the operation efficiency is effectively improved; moreover, the filter screen can be quickly cleaned in the closed space inside the filter, so that the occupation of industrial land is reduced; meanwhile, the secondary pollution to the filter screen can be avoided when impurities are intercepted, and the pollution of cleaning operation to the surrounding environment is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The main reference numbers in the figures illustrate:
1. the device comprises an upper cleaning spray head control valve, 2 exhaust valves, 3 upper flange covers, 4 filter screen fixing devices, 5 upper cleaning spray heads, 6 handles, 7 filter screens, 8 rotary cleaning spray heads, 9 pipeline flanges, 10 filter screen sealing table tops, 11 filter cylinder bodies, 12 lower flange covers, 13 discharge valves and 14 rotary cleaning spray head control valves.
Detailed Description
As shown in fig. 1, the utility model comprises: the filter comprises a filter cylinder body 11, a filter screen 7 arranged in the filter cylinder body 11, an upper flange cover 3 and a lower flange cover 12 which are arranged on end covers at the upper end and the lower end of the filter cylinder body 11 in a bolt pair connection mode and are used for sealing the filter cylinder body 11, wherein a pipeline flange 9 used for connecting a process pipeline is arranged on the filter cylinder body 11 relatively, the pipeline flange 9 is arranged in the middle of the filter cylinder body 11, and the pipeline flange 9 is communicated with a cavity of the filter cylinder body 11 and forms a cross-shaped channel;
the inner wall of the filter cylinder body 11 is provided with a filter screen sealing table surface 10 inclined towards the direction of a fluid outlet, when the filter cylinder body is installed, an opening of the filter screen 7 faces downwards and is buckled on the filter screen sealing table surface 10 in the filter cylinder body 11 in an inverted mode, the filter screen sealing table surface 10 is attached to and sealed with the edge of the inverted filter screen 7, and a sealing gasket is arranged on the attached filter screen sealing table surface 10;
the inclination angle of the screen sealing table 10 is about 30 to 60 degrees depending on the diameter of the pipe and the size of the screen.
The chamfered surface of the screen 7 needs to be smooth and flat to ensure that it is in close contact with the sealing surface in the filter cartridge 11.
The sealing gasket is arranged between the filter screen sealing table surface 10 of the filter cylinder body 11 and the inclined cutting surface of the filter screen 7, the sealing gasket is a polytetrafluoroethylene gasket, the bolt is used for forming the filter screen fixing device 4 of the filter screen 7 at the top of the filter screen 7, and the filter screen fixing device 4 compresses the filter screen 7 downwards for ensuring the effectiveness of the filter impurities of the filter screen 7.
Above-mentioned filter screen fixing device 4 includes: adopt welded connection mode to install several screw nut pairs on 11 inner walls of filter barrel, promptly: first nuts (four in this embodiment, and evenly distributed); one end of each screw is matched with the four first nuts respectively and is screwed in the horizontal direction, and the other end of each screw is welded with one second nut in the horizontal direction; four bolts are respectively configured to be screwed with the second nuts in the vertical direction and are propped against the top of the filter screen 7 from top to bottom for pressing the filter screen 7 to be tightly attached to the sealing surface inside the filter cylinder body 11.
The filter cylinder body 11 is of a cylindrical structure and is used for accommodating the filter screen 7 and a cleaning spray head and accessories; end covers protruding out of the filter cylinder body 11 and used for flange installation are arranged at the upper end and the lower end of the filter cylinder body 11;
go up on the blind flange 3 and be provided with discharge valve 2 and the last washing shower nozzle 5 that is used for the filter to keep apart the pressure release through upper portion inlet channel respectively, and be equipped with the upper portion inlet channel on the washing shower nozzle 5 (the utility model discloses a pipeline is 3/4in 150L B stainless steel pipeline), install on this upper portion inlet channel and wash shower nozzle control valve 1, and this pipeline link up with last blind flange 3 to install washing shower nozzle 5 in the bottom of upper portion inlet channel, the spun washing water of last washing shower nozzle 5 is fan-shaped, goes up washing shower nozzle control valve 1 (the stop valve of the last washing shower nozzle control valve 1 of this embodiment chooses for use 3/4in 150L B).
The upper cleaning nozzle 5 is installed at the lower end of the upper water inlet pipe, and the bottom of the upper water inlet pipe extends into the upper flange cover 3.
The lower flange cover 12 is provided with a discharge pipeline (the utility model discloses a discharge pipeline is 1in 150L B stainless steel pipeline), a discharge valve 13, which is used for the sewage in the filter cylinder body 11, and is provided with a cleaning water pipeline (the utility model discloses a cleaning water pipeline is 1in 150L B stainless steel pipeline), and this sewage pipeline, cleaning water pipeline link up with lower flange cover 12, be provided with rotatory cleaning nozzle control valve 14 through the cleaning water pipeline, rotatory cleaning nozzle control valve 14 is installed on the cleaning water pipeline and is controlled the cleaning water yield, and this cleaning water pipeline link up with lower flange cover 12, and stretch into the inside of filter screen 7 in the filter cylinder body 11, rotatory cleaning nozzle 8 is installed at the top of cleaning water pipeline, rotatory nozzle top is about 1/2 to 2/3 filter screen height department, open rotatory cleaning nozzle control valve 14, make rotatory cleaning nozzle 8 self-cleaning filter screen 7, and the sewage deposit that produces after the cleaning, discharge pipeline and discharge valve 13 discharge to the open the row of jar through installing below the filter cylinder body 11.
The rotary cleaning spray nozzle control valve 14 is made of stainless steel, is 85mm long, 25mm in diameter, 1.3Mpa in maximum operating pressure, 180 ℃ in maximum heat-resistant temperature, is internally provided with a rotary bearing, the spray nozzle is rotated by 360 degrees through self power of cleaning water, the lower flange cover 12 is disassembled, and the rotary cleaning spray nozzle 8 can be taken out.
The filter screen 7 is a basket filter screen commonly used in the petrochemical industry. The filter screen 7 is arranged on the main frame made of stainless steel keels and is wrapped by stainless steel filter cloth; and the bottom of the main frame of the filter screen 7 is provided with a handle 6 in a welding way for lifting the filter screen 7; and the screen 7 is located at the bottom of the screen holder 4.
The utility model discloses a concrete operating procedure as follows:
the first step is as follows: the utility model is installed in the pipeline of the mechanical equipment, the mechanical pump (centrifugal pump, plunger pump, etc.) is stopped, and the isolation valves in the front and the back of the filter cylinder body 11 are closed;
the second step is that: opening the discharge valve 13 at the bottom of the filter and the discharge valve 2 at the top to ensure the medium in the filter is discharged completely;
the third step: opening a control valve 14 (a stop valve in this embodiment) on the upper cleaning nozzle 5 to operate the upper cleaning nozzle 5 for about 20 seconds;
the fourth step: opening the lower rotary cleaning head control valve 14 (a stop valve in this embodiment), rotating the lower rotary cleaning head 8, and cleaning the filter screen 7;
the fifth step: determining the cleaning condition of the filter screen 7 according to the waste liquid discharged from the discharge port, and finishing the cleaning operation when the discharged water is clear;
and a sixth step: closing the exhaust valve 2 at the top and the discharge valve 13 at the bottom of the filter cylinder 11;
the seventh step: and opening front and rear isolation valves positioned on the filter to realize standby.
All the control valves, the handles, the cleaning nozzles and the filter screens are in the prior art, and the unexplained technology is in the prior art, so that the detailed description is omitted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a quick cleaning filter of dismouting filter screen exempts from which characterized in that: the filter comprises a filter cylinder, a filter screen arranged in the filter cylinder, an upper flange cover and a lower flange cover which are arranged on end covers at the upper end and the lower end of the filter cylinder and used for sealing the filter cylinder, wherein a pipeline flange used for connecting a process pipeline is oppositely arranged on the filter cylinder, and the pipeline flange is communicated with a cavity of the filter cylinder and forms a cross-shaped channel; a filter screen sealing table surface which is inclined towards the direction of a fluid outlet is arranged on the inner wall of the filter cylinder body, the opening of the filter screen is downward and is reversely buckled on the filter screen sealing table surface in the filter cylinder body, and the filter screen sealing table surface is attached to and sealed with the edge of the reversely-installed filter screen;
an exhaust valve and an upper cleaning spray head for isolating and decompressing the filter are respectively arranged on the upper flange cover through an upper water inlet pipeline, the upper water inlet pipeline is communicated with the upper flange cover, and the bottom of the upper water inlet pipeline extends into the upper flange cover;
the lower flange cover is respectively provided with a drain valve for controlling sewage in the filter cylinder body through a sewage discharge pipeline and a rotary cleaning spray head control valve through a cleaning water pipeline, and the sewage discharge pipeline and the cleaning water pipeline are communicated with the lower flange cover; the cleaning water pipeline extends into the filter screen in the filter cylinder body, and the top of the cleaning water pipeline is provided with a rotary cleaning spray head; and opening the control valve of the rotary cleaning nozzle to enable the rotary cleaning nozzle to automatically clean the filter screen, and discharging sewage generated after cleaning into the discharge tank through a discharge pipeline and a discharge valve below the filter cylinder.
2. The filter screen-free quick-cleaning filter according to claim 1, wherein: the pipeline flange is arranged in the middle of the filter cylinder body.
3. The filter screen-free quick-cleaning filter according to claim 1, wherein: the inclination angle of the sealing table surface of the filter screen is between 30 and 60 degrees; and a sealing gasket is arranged on the sealing table surface of the attached filter screen.
4. The filter screen-free quick-cleaning filter according to claim 3, wherein: the sealing gasket is arranged between the filter screen sealing table surface of the filter cylinder and the inclined cutting surface of the filter screen, and the sealing gasket is a polytetrafluoroethylene gasket.
5. The filter screen-free quick-cleaning filter according to claim 1, wherein: filter screen fixing device is installed at the top of filter screen, and filter screen fixing device includes: a plurality of screw and nut pairs oppositely arranged on the inner wall of the filter cylinder; the screw nuts tightly press the filter screen from top to bottom to make the filter screen tightly fit with the sealing surface inside the filter cylinder.
6. The filter screen-free quick-cleaning filter according to claim 1, wherein: the filter cylinder body is of a cylindrical structure; the upper end and the lower end of the filter cylinder body are provided with end covers protruding out of the filter cylinder body for flange installation.
7. The filter screen-free quick-cleaning filter according to claim 1, wherein: the upper cleaning spray head is arranged at the bottom of the upper water inlet pipeline and is tightly attached to the upper end cover; and the cleaning water sprayed by the upper cleaning spray head is fan-shaped.
8. The filter screen-free quick-cleaning filter according to claim 1, wherein: the spin rinse head extends into the filter cartridge at a screen height from 1/2 to 2/3 of the screen interior.
9. The filter screen-free quick-cleaning filter according to claim 1, wherein: the filter screen is a basket filter screen.
10. The filter screen-free quick-cleaning filter according to claim 1 or 9, wherein: the filter screen is arranged on the main frame and is wrapped by stainless steel filter cloth; the upper part of the main frame of the filter screen is provided with a handle for lifting the filter screen; and the filter screen is positioned below the filter screen fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568328.8U CN211025336U (en) | 2019-09-20 | 2019-09-20 | Quick cleaning filter without dismounting filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568328.8U CN211025336U (en) | 2019-09-20 | 2019-09-20 | Quick cleaning filter without dismounting filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211025336U true CN211025336U (en) | 2020-07-17 |
Family
ID=71560364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568328.8U Active CN211025336U (en) | 2019-09-20 | 2019-09-20 | Quick cleaning filter without dismounting filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211025336U (en) |
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2019
- 2019-09-20 CN CN201921568328.8U patent/CN211025336U/en active Active
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