CN218686926U - Cleaning device for inlet filter screen of water feed pump - Google Patents
Cleaning device for inlet filter screen of water feed pump Download PDFInfo
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- CN218686926U CN218686926U CN202222907173.4U CN202222907173U CN218686926U CN 218686926 U CN218686926 U CN 218686926U CN 202222907173 U CN202222907173 U CN 202222907173U CN 218686926 U CN218686926 U CN 218686926U
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- filter screen
- outer sleeve
- feed pump
- fixedly connected
- threaded rod
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Abstract
The utility model discloses a cleaning device for a filter screen at the inlet of a feed pump, which comprises a pipeline arranged at the inlet of the feed pump, wherein an inclined hole is formed at the bottom of the pipeline, an outer sleeve is sleeved in the inclined hole, a water outlet is formed in the outer sleeve, the filter screen is arranged at one side of the water outlet, the filter screen is fixedly connected on the inner wall of the outer sleeve, a sealing cover is fixedly connected to one side of the outer sleeve, the sealing cover is fixedly arranged on the outer wall of the inclined hole, a threaded rod is fixedly connected to the output end of a motor, a moving block is connected to the threaded rod in a threaded manner, a cleaning brush is fixedly connected to one end of the moving block, which is far away from the threaded rod, the outer sleeve is quickly disassembled and installed through the outer sleeve and the sealing cover, and equipment is conveniently overhauled; through the cleaning brush, need not to stop equipment and just can clear away remaining impurity in the filter screen, reduce operating personnel's work load, improve the filtration efficiency of device, the life of extension device.
Description
Technical Field
The utility model relates to a filter screen washs technical field, in particular to feed pump entry filter screen belt cleaning device.
Background
The filter screen at the inlet of the feed pump is also called as the filter screen at the inlet of the condensate pump of the condensate tower of the thermal power steam boiler, and is used for eliminating impurities in a medium so as to protect equipment and valves from normal use.
Chinese patent publication is CN 215762480U's patent, and it discloses an online washing unit of boiler high pressure feed pump filter screen, including the pipeline section main part, the pipeline section main part upper portion installation entry stop gate and the sub-unit connection pump body, the left side welding of pipeline section main part has mounting flange, bolt fixedly connected with ring flange is passed through in mounting flange's left side, the outside fixedly connected with of ring flange discharges the steel pipe, the inner parallel weld of ring flange has two band steels, the internally mounted of ring flange has the filter core, just the filter core is close to the one end of ring flange is by two the band steel compresses tightly, the other end of filter core inserts groove department and the medium that pipeline section main part intake end set up get into through filtering in the filter core and flow out, the one end of discharging the steel pipe and keeping away from the ring flange is provided with two blow-off valves and causes in the trench.
The technical problem solved is as follows: when the system has more impurities, the filter screen of the water feeding pump is frequently blocked, the cleaning steps are complicated, the workload of workers is increased, the online cleaning cannot be performed, the cleaning operation can be performed after the operation of the equipment is stopped, and the energy consumption for frequently starting and stopping the equipment is increased; because the inlet pipeline and the outlet pipeline of the feed pump are connected by a main pipe, when the inlet valve or the outlet valve of the feed pump leaks, the medium pressure and the temperature in the pump body are too high, and the safety measure for cleaning the filter screen cannot be realized, so that the filter screen at the inlet of the feed pump cannot be put into use after being blocked, and the stable operation of the whole set of production system is influenced; the cavitation erosion of the impeller of the pump body is aggravated due to untimely cleaning after the filter screen is blocked, and the service life of the water supply pump is shortened.
Although the above patent solves the corresponding problem, the above patent discloses an online washing device for a high-pressure feed pump filter screen of a boiler, which has the following defects:
although the device can utilize the high pressure of the outlet of the pipe section main body to back flush the filter screen, part of the filter screen can not be flushed due to the limitation of the pipe section main body structure, and after the device is used for a long time, the filter screen is easy to accumulate impurities, so that the filtering effect of a medium is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water-feeding pump entry filter screen belt cleaning device through wasing the filter screen, improves device's filtration efficiency, extension fixture life.
In order to achieve the above object, the utility model discloses a main technical scheme include:
the utility model provides a water-feeding pump entry filter screen belt cleaning device, is including installing the pipeline at the water-feeding pump entry, the inclined hole has been seted up to the bottom of pipeline, the outer sleeve is equipped with to the inclined hole endotheca, the delivery port has been seted up on the outer sleeve, one side of delivery port is provided with the filter screen, filter screen fixed connection be in on the inner wall of outer sleeve, one side fixedly connected with sealed lid of outer sleeve, sealed lid fixed mounting be in on the outer wall of inclined hole, sealed covering is provided with the blow off pipe.
By adopting the technical scheme: through the filter screen, the effectual impurity that filters in the medium in the pipeline.
Preferably, the sealing cover is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, the threaded rod penetrates through the sealing cover, one end of the threaded rod, far away from the motor, is rotatably connected with a cross fixing frame, the cross fixing frame is fixedly connected to the inner wall of the outer sleeve, the threaded rod is in threaded connection with a moving block, and one end of the moving block, far away from the threaded rod, is fixedly connected with a cleaning brush.
By adopting the technical scheme: the outer sleeve, the threaded rod and the moving block are made of stainless steel materials, and the threaded rod can be fixed through the cross fixing frame and cannot block media from flowing into the outer sleeve.
Preferably, the bristles of the cleaning brush are pressed against the inner surface of the filter screen.
By adopting the technical scheme: the brush hair of cleaning brush is stainless steel material, can clear up remaining impurity on the filter screen through cleaning brush.
Preferably, a sliding rod is fixedly connected to the cross-shaped fixing frame, the sliding rod penetrates through the moving block, and one end, far away from the cross-shaped fixing frame, of the sliding rod is fixedly connected to the sealing cover.
By adopting the technical scheme: the slide bar is stainless steel, and through the slide bar, the effectual movable block that makes is more stable, can not rotate along with the threaded rod.
Preferably, the sewage draining pipe is provided with a first valve and a second valve.
By adopting the technical scheme: when needs blowdown, open earlier impurity such as first valve and flow through first valve after, close first valve, then open the second valve and discharge impurity, the effectual air admission pipeline that prevents when the blowdown in.
Preferably, the sealing cover is fixedly connected with the inclined hole through a screw.
By adopting the technical scheme: through sealed lid and inclined hole screwed connection fixed, it is more convenient that effectual sealed lid of messenger dismantles the installation.
Preferably, the cleaning brush has a circular arc structure.
By adopting the technical scheme: the radian of the cleaning brush is consistent with that of the filter screen, and the cleaning coverage rate of the cleaning brush is effectively improved.
Preferably, the medium in the pipeline enters the outer sleeve firstly, and flows out of the water outlet after being filtered by the filter screen.
By adopting the technical scheme: the medium in the pipeline filters impurity through the filter screen in the outer sleeve, and it is more convenient that effectual messenger's impurity filters to in impurity clearance process, there is not gaseous entering feed pump.
The utility model discloses possess following beneficial effect at least: through the outer sleeve and the sealing cover, the outer sleeve is quickly disassembled and assembled, and the equipment is convenient to overhaul; through the cleaning brush, need not to stop equipment and just can clear away remaining impurity in the filter screen, reduce operating personnel's work load, improve the filtration efficiency of device, the life of extension device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
In the drawings:
FIG. 1 is a front sectional view of the cleaning device for the inlet filter screen of the feed pump of the present invention;
FIG. 2 is a schematic structural view of an outer sleeve according to the present invention;
fig. 3 is a schematic view of the structure of the cleaning brush of the present invention.
The reference numbers illustrate:
1. a pipeline; 11. an inclined hole; 2. an outer sleeve; 21. a water outlet; 22. filtering with a screen; 23. a cross-shaped fixing frame; 24. a sealing cover; 25. a blow-off pipe; 26. a first valve; 27. a second valve; 3. a motor; 31. a threaded rod; 32. a moving block; 33. a cleaning brush; 34. a slide bar.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
Referring to fig. 1 to 3, an embodiment of the present invention provides a cleaning device for a filter screen at an inlet of a water feed pump, including a pipeline 1 installed at the inlet of the water feed pump, an inclined hole 11 is opened at the bottom of the pipeline 1, an outer sleeve 2 is sleeved in the inclined hole 11, a water outlet 21 is opened on the outer sleeve 2, a filter screen 22 is arranged at one side of the water outlet 21, in order to make impurity filtering more convenient, a medium in the pipeline 1 firstly enters the outer sleeve 2 and flows out of the water outlet 21 after being filtered by the filter screen 22, the filter screen 22 is fixedly connected to the inner wall of the outer sleeve 2, one side of the outer sleeve 2 is fixedly connected with a sealing cover 24, the sealing cover 24 is fixedly installed on the outer wall of the inclined hole 11, in order to make the sealing cover 24 more convenient to disassemble and install, the sealing cover 24 is fixedly connected with the inclined hole 11 by screws;
the sewage discharge pipe 25 is arranged on the sealing cover 24, in order to prevent air from entering a pipeline during sewage discharge, the sewage discharge pipe 25 is provided with a first valve 26 and a second valve 27, when sewage discharge is needed, firstly, the first valve 26 is opened and impurities such as the first valve 26 flow through the first valve 26, then, the second valve 27 is opened to discharge the impurities, in order not to block the media from flowing into the outer sleeve 2, the motor 3 is fixedly connected to the sealing cover 24, the output end of the motor 3 is fixedly connected with a threaded rod 31, the threaded rod 31 penetrates through the sealing cover 24, the threaded rod 31 is rotatably connected with a cross fixing frame 23 at one end far away from the motor 3, the cross fixing frame 23 is fixedly connected to the inner wall of the outer sleeve 2, the threaded rod 31 is in threaded connection with a moving block 32, in order to enable the moving block 32 to be more stable and not to rotate along with the rotation of the threaded rod 31, the sliding rod 34 is fixedly connected to the cross fixing frame 23, the sliding rod 34 penetrates through the moving block 32, the sliding rod 34 is fixedly connected to the sealing cover 24 at one end far away from the cross fixing frame 23, the sliding rod 32 is made of a cleaning brush 33, in order to improve the cleaning coverage rate of the cleaning brush 33, the inner surface of the moving block 22 is made of the cleaning brush 22, and the filtering net 22 made of the filtering net 22, and the filtering net 22 made of the stainless steel.
The utility model discloses a theory of operation is: the medium in the pipeline 1 gets into outer sleeve 2 earlier in, flows out from delivery port 21 after filtering through filter screen 22, when remaining impurity is too much on filter screen 22, starter motor 3 to make cleaning brush 33 round trip movement clearance on filter screen 22, when needs blowdown, open earlier impurity such as first valve 26 and flow first valve 26 after, close first valve 26, then open second valve 27 and discharge impurity.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. The utility model provides a feed pump entry filter screen belt cleaning device, its characterized in that, is including installing pipeline (1) at the feed pump entry, inclined hole (11) have been seted up to the bottom of pipeline (1), inclined hole (11) endotheca is equipped with outer sleeve (2), delivery port (21) have been seted up on outer sleeve (2), one side of delivery port (21) is provided with filter screen (22), filter screen (22) fixed connection be in on the inner wall of outer sleeve (2), one side fixedly connected with of outer sleeve (2) seals lid (24), sealed lid (24) fixed mounting be in on the outer wall of inclined hole (11), be provided with blow off pipe (25) on sealed lid (24).
2. A feed pump inlet screen cleaning apparatus as claimed in claim 1, wherein: fixedly connected with motor (3) on sealed lid (24), the output end fixedly connected with threaded rod (31) of motor (3), threaded rod (31) run through sealed lid (24), threaded rod (31) are keeping away from the one end of motor (3) is rotated and is connected with cross mount (23), cross mount (23) fixed connection be in on the inner wall of outer sleeve (2), threaded connection has movable block (32) on threaded rod (31), movable block (32) are keeping away from the one end fixedly connected with cleaning brush (33) of threaded rod (31).
3. A feed pump inlet screen cleaning apparatus as claimed in claim 2, wherein: the bristles of the cleaning brush (33) are tightly attached to the inner surface of the filter screen (22).
4. A feed pump inlet screen cleaning apparatus as claimed in claim 2, wherein: a sliding rod (34) is fixedly connected to the cross fixing frame (23), the sliding rod (34) penetrates through the moving block (32), and one end, far away from the cross fixing frame (23), of the sliding rod (34) is fixedly connected to the sealing cover (24).
5. A feed pump inlet screen cleaning apparatus as claimed in claim 1, wherein: the sewage draining pipe (25) is provided with a first valve (26) and a second valve (27).
6. A feed pump inlet screen cleaning apparatus as claimed in claim 1, wherein: the sealing cover (24) is fixedly connected with the inclined hole (11) through a screw.
7. A feed pump inlet screen cleaning apparatus as claimed in claim 3, wherein: the cleaning brush (33) is of a circular arc structure.
8. A feed pump inlet screen cleaning apparatus as claimed in claim 1, wherein: the medium in the pipeline (1) firstly enters the outer sleeve (2), is filtered by the filter screen (22) and then flows out of the water outlet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907173.4U CN218686926U (en) | 2022-11-02 | 2022-11-02 | Cleaning device for inlet filter screen of water feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907173.4U CN218686926U (en) | 2022-11-02 | 2022-11-02 | Cleaning device for inlet filter screen of water feed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218686926U true CN218686926U (en) | 2023-03-24 |
Family
ID=85599157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222907173.4U Active CN218686926U (en) | 2022-11-02 | 2022-11-02 | Cleaning device for inlet filter screen of water feed pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218686926U (en) |
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2022
- 2022-11-02 CN CN202222907173.4U patent/CN218686926U/en active Active
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