CN220328070U - External circular filter screen of desulfurization circulating pump - Google Patents
External circular filter screen of desulfurization circulating pump Download PDFInfo
- Publication number
- CN220328070U CN220328070U CN202320779206.3U CN202320779206U CN220328070U CN 220328070 U CN220328070 U CN 220328070U CN 202320779206 U CN202320779206 U CN 202320779206U CN 220328070 U CN220328070 U CN 220328070U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- threaded rod
- screen plate
- ring
- circulating pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 21
- 230000023556 desulfurization Effects 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The utility model discloses an external circular filter screen of a desulfurization circulating pump, which comprises a filter screen cylinder, a filter screen plate and a flange, wherein an adjusting and cleaning assembly is fixedly arranged in the filter screen plate, the adjusting and cleaning assembly comprises L-shaped strips, spiral blades and a brush, the L-shaped strips are fixedly arranged at the top end of the filter screen plate and are used for changing the diameters of holes of the filter screen cylinder, the bottom ends of the L-shaped strips are movably connected with the spiral blades which drive other objects to rotate, and the spiral She Waice is equidistantly provided with the brush which is used for cleaning the outer side of the filter screen cylinder.
Description
Technical Field
The utility model relates to the technical field of flue gas desulfurization, in particular to an external circular filter screen of a desulfurization circulating pump.
Background
In a flue gas desulfurization system of a power plant, a filter screen is arranged at an inlet of a slurry circulating pump of a desulfurization absorption tower, so that impurities in slurry enter the slurry circulating pump to cause vibration and even damage of the slurry circulating pump, and a spray layer nozzle is blocked;
for this reason, chinese patent discloses 202120018801.6 an external circular filter screen of desulfurization circulating pump, and this external circular filter screen of desulfurization circulating pump, when using, the external circular filter screen of desulfurization circulating pump blocks up or damages, does not need to shut down the desulfurization system, does not need to discharge the absorption tower thick liquid, only needs to close the valve of thick liquid entry, opens the drain, and drain off pipeline thick liquid just can get into in the casing through the manhole and overhaul and maintain, saves the maintenance expense.
Although the application meets the use requirement of a user to a certain extent, certain defects still exist in the actual use process, and the specific problems are as follows, because the application utilizes the reverse flow of water to remove impurities in the filter screen, at the moment, partial impurities are easy to accumulate in the mesh of the filter screen in the process of cleaning the filter screen by liquid, so that the problem of difficult cleaning occurs.
Disclosure of Invention
The utility model aims to provide an external circular filter screen of a desulfurization circulating pump so as to solve the problem that impurities in the filter screen are removed by utilizing the reverse flow of water in the application, and at the moment, part of impurities are easily accumulated in meshes of the filter screen in the process of removing the filter screen by liquid, so that the filter screen is difficult to clean.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an external circular filter screen of a desulfurization circulating pump comprises a filter screen cylinder, a filter screen plate and a flange, wherein an adjusting and cleaning assembly is fixedly arranged in the filter screen plate and comprises L-shaped strips, spiral blades and a hairbrush;
the L-shaped strip is fixedly arranged at the top end of the filter screen plate and used for changing the diameter of the holes of the filter screen cylinder, the bottom end of the L-shaped strip is movably connected with a spiral blade which drives other objects to rotate, the spiral She Waice is equidistantly provided with brushes for cleaning the outer side of the filter screen cylinder, and the top end of the inner wall of the filter screen cylinder is fixedly provided with an installation fixing assembly.
Preferably, the adjusting and cleaning assembly further comprises a threaded rod, a circular ring, a pressing nut and a rotating column;
threaded rod embedding is installed inside the filter screen plate, threaded rod outside swing joint has the ring, welded connection between L strip terminal surface and the ring outside, threaded rod surface is located ring top position department and has extrusion nut through threaded connection, threaded rod bottom swing joint has the spliced pole.
Preferably, the shape of the rotating column is convex, and the top end of the rotating column and the bottom end of the threaded rod are mutually attached.
Preferably, the spiral blade is welded with the bottom end of the outer side of the rotating column, and the top of the outer side of the rotating column is fixedly arranged with one end of the hairbrush.
Preferably, the installation fixing component comprises a fixing ring, an arc-shaped strip, a bottom ring and a positioning nut;
the fixed ring fixed mounting is in filter screen cylinder inner wall top, filter screen cylinder inner wall bottom equidistance welding has the arc strip, and is a plurality of through bottom ring welded connection between the arc strip bottom, threaded rod surface is located bottom ring top position department and has positioning nut through threaded connection.
Preferably, the bottom ring and the threaded rod are fixed by extrusion through a positioning nut.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the cleaning assembly is adjusted to clean the meshes of the filter screen cylinder and the filter screen plate, so that the cleaning difficulty of the meshes of the filter screen cylinder and the filter screen plate is reduced, the cleaning of the interiors of the meshes of the filter screen cylinder and the filter screen plate is ensured, the shape and the diameter of the meshes of the filter screen cylinder are adjusted, and the filtering effect of the meshes of the filter screen cylinder is further improved.
The filter screen plate fixing device can fix the filter screen plate after being installed through the installation of the fixing component, reduces the fixing difficulty of the filter screen plate, facilitates the disassembly of the filter screen plate after being installed, and reduces the disassembly difficulty of the filter screen plate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an external circular filter screen of a desulfurization circulating pump;
FIG. 2 is a cross-sectional view of an integral filter screen cylinder of an external circular filter screen of the desulfurization circulating pump;
FIG. 3 is a schematic diagram of an installation structure of an integral adjusting and cleaning assembly of an external circular filter screen of a desulfurization circulating pump;
FIG. 4 is a schematic diagram of an installation structure of an integral installation fixing assembly of an external circular filter screen of a desulfurization circulating pump.
In the figure: 1. a filter screen cylinder; 2. a filter screen plate; 3. a flange;
4. adjusting the cleaning assembly; 401. a threaded rod; 402. a circular ring; 403. an L-shaped strip; 404. extruding a nut; 405. rotating the column; 406. spiral leaves; 407. a brush;
5. installing a fixing component; 501. a fixing ring; 502. an arc-shaped strip; 503. a bottom ring; 504. and positioning a nut.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: an external circular filter screen of a desulfurization circulating pump comprises a filter screen cylinder 1, a filter screen plate 2 and a flange 3, wherein an adjusting and cleaning assembly 4 is fixedly arranged in the filter screen plate 2, and the adjusting and cleaning assembly 4 comprises an L-shaped strip 403, a spiral blade 406 and a hairbrush 407;
the L-shaped strip 403 is fixedly arranged at the top end of the filter screen plate 2 and used for changing the diameter of the hole of the filter screen cylinder 1, the bottom end of the L-shaped strip 403 is movably connected with a spiral blade 406 for driving other objects to rotate, the outer side of the spiral blade 406 is equidistantly provided with a hairbrush 407 for cleaning the outer side of the filter screen cylinder 1, and the top end of the inner wall of the filter screen cylinder 1 is fixedly provided with an installation fixing assembly 5.
The adjustment cleaning assembly 4 further comprises a threaded rod 401, a circular ring 402, a compression nut 404 and a rotating post 405;
threaded rod 401 embedding is installed in filter screen plate 2 inside, threaded rod 401 outside swing joint has ring 402, welded connection between an L type strip 403 terminal surface and the ring 402 outside, threaded rod 401 surface is located ring 402 top position department and has extrusion nut 404 through threaded connection, threaded rod 401 bottom swing joint has rotation post 405, rotation post 405's shape is protruding, rotation post 405 top and threaded rod 401 bottom laminating each other, rotation post 405's is convenient for fix, rotation post 405's fixed degree of difficulty has been reduced, welded connection between helical lobe 406 and rotation post 405 outside bottom, rotation post 405 outside top and brush 407 one end fixed mounting, the rotation of brush 407 of being convenient for has reduced the rotation degree of brush 407.
The mounting and fixing assembly 5 comprises a fixing ring 501, an arc-shaped strip 502, a bottom ring 503 and a positioning nut 504;
fixed ring 501 fixed mounting has arc strip 502 in filter screen section of thick bamboo 1 inner wall top, and through holding ring 503 welded connection between a plurality of arc strip 502 bottom, is fixed through locating nut 504 extrusion between holding ring 503 and the threaded rod 401, and the connection of holding ring 503 and threaded rod 401 of being convenient for has reduced the connection degree of difficulty of holding ring 503 and threaded rod 401, and threaded rod 401 surface is located holding ring 503 top position department and has locating nut 504 through threaded connection.
Working principle: the device is in the in-service use in-process, the user is fixed ring 402 along threaded rod 401 and filter screen plate 2 between through extrusion nut 404, thereby make L type strip 403 fix, then connect between filter screen plate 2 and filter screen section of thick bamboo 1, threaded rod 401 enters into the bottom ring 503 inside of arc strip 502 bottom this moment, then rotate positioning nut 504 and extrude threaded rod 401 fixedly, thereby fix filter screen plate 2 after the installation, the fixed degree of difficulty of filter screen plate 2 has been reduced, and be convenient for dismantle filter screen plate 2 after the installation, the dismantlement degree of difficulty of filter screen plate 2 has been reduced.
Then the flow of liquid flows along the meshes of the filter screen plate 2 and the filter screen plate 1, the spiral blades 406 are driven to rotate when the liquid flows, the rotating columns 405 are driven to rotate when the spiral blades 406 rotate, the brushes 407 are driven to rotate when the rotating columns 405 rotate, the meshes of the filter screen plate 1 and the filter screen plate 2 are cleaned when the brushes 407 rotate, the cleaning difficulty of the meshes of the filter screen plate 1 and the filter screen plate 2 is reduced, the cleaning of the meshes of the filter screen plate 1 and the filter screen plate 2 is ensured, and the positions of the L-shaped strips 403, which are blocked by the meshes of the filter screen plate 1, are adjusted by changing the positions between the L-shaped strips 403 and the inner wall of the filter screen plate 1, so that the shape and the diameter of the meshes of the filter screen plate 1 are adjusted, and the filtering effect of the meshes of the filter screen plate 1 is further improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an external circular filter screen of desulfurization circulating pump, includes filter screen cylinder (1), filter screen plate (2) and flange (3), its characterized in that: an adjusting and cleaning assembly (4) is fixedly arranged in the filter screen plate (2), and the adjusting and cleaning assembly (4) comprises an L-shaped strip (403), a spiral blade (406) and a hairbrush (407);
the L-shaped strips (403) are fixedly arranged at the top end of the filter screen plate (2) and used for changing the diameter of holes of the filter screen cylinder (1), spiral blades (406) for driving other objects to rotate are movably connected to the bottom end of the L-shaped strips (403), brushes (407) for cleaning the outer side of the filter screen cylinder (1) are equidistantly arranged on the outer side of the spiral blades (406), and an installation fixing assembly (5) is fixedly arranged at the top end of the inner wall of the filter screen cylinder (1);
the adjusting and cleaning assembly (4) further comprises a threaded rod (401), a circular ring (402), a pressing nut (404) and a rotating column (405);
the threaded rod (401) is embedded and installed inside the filter screen plate (2), a circular ring (402) is movably connected to the outer side of the threaded rod (401), one end face of the L-shaped bar (403) is welded with the outer side of the circular ring (402), an extrusion nut (404) is connected to the outer surface of the threaded rod (401) at the top end of the circular ring (402) through threads, and a rotating column (405) is movably connected to the bottom end of the threaded rod (401);
the mounting and fixing assembly (5) comprises a fixing ring (501), an arc-shaped strip (502), a bottom ring (503) and a positioning nut (504);
the fixing rings (501) are fixedly arranged at the top end of the inner wall of the filter screen cylinder (1), arc-shaped strips (502) are welded at equal intervals at the bottom end of the inner wall of the filter screen cylinder (1), a plurality of the bottom ends of the arc-shaped strips (502) are connected through bottom rings (503) in a welding mode, and positioning nuts (504) are connected at the positions, located at the top ends of the bottom rings (503), of the outer surfaces of the threaded rods (401) through threads;
the bottom ring (503) and the threaded rod (401) are fixed by extrusion through a positioning nut (504).
2. The external circular filter screen of a desulfurization circulating pump according to claim 1, wherein: the shape of the rotating column (405) is convex, and the top end of the rotating column (405) and the bottom end of the threaded rod (401) are mutually attached.
3. The external circular filter screen of a desulfurization circulating pump according to claim 1, wherein: the screw blade (406) is welded with the bottom end of the outer side of the rotating column (405), and the top of the outer side of the rotating column (405) is fixedly arranged at one end of the hairbrush (407).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779206.3U CN220328070U (en) | 2023-04-11 | 2023-04-11 | External circular filter screen of desulfurization circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779206.3U CN220328070U (en) | 2023-04-11 | 2023-04-11 | External circular filter screen of desulfurization circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220328070U true CN220328070U (en) | 2024-01-12 |
Family
ID=89445897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320779206.3U Active CN220328070U (en) | 2023-04-11 | 2023-04-11 | External circular filter screen of desulfurization circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220328070U (en) |
-
2023
- 2023-04-11 CN CN202320779206.3U patent/CN220328070U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |