CN220656589U - Pollution discharge device capable of avoiding pipeline blockage - Google Patents
Pollution discharge device capable of avoiding pipeline blockage Download PDFInfo
- Publication number
- CN220656589U CN220656589U CN202322300943.3U CN202322300943U CN220656589U CN 220656589 U CN220656589 U CN 220656589U CN 202322300943 U CN202322300943 U CN 202322300943U CN 220656589 U CN220656589 U CN 220656589U
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- frame
- filter
- pipe
- rotatory
- pipeline
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- 238000003756 stirring Methods 0.000 claims description 39
- 238000004140 cleaning Methods 0.000 claims description 29
- 238000001914 filtration Methods 0.000 claims description 14
- 238000010030 laminating Methods 0.000 claims description 9
- 206010024796 Logorrhoea Diseases 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 35
- 239000010865 sewage Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000002245 particle Substances 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 8
- 238000007790 scraping Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000003825 pressing Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005360 mashing Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Abstract
The utility model discloses a sewage draining device capable of avoiding pipeline blockage, which relates to the technical field of sewage draining devices and aims to solve the problems that in the prior sewage draining device, in the using process, a plurality of layers of filter plates are washed and filtered through washing holes, the adhesion of impurities on filter plates is inconvenient and the filter plates are treated, the filter plates are blocked for a long time, and the dredging efficiency of pipeline pollution draining is reduced.
Description
Technical Field
The utility model relates to the technical field of sewage disposal devices, in particular to a sewage disposal device capable of avoiding pipeline blockage.
Background
The pipe is a tubular structure for conveying fluid, can be connected together to form an extended channel, has wide application fields, is composed of pipes and various components, can realize the conveying and distribution of the fluid, plays a key role, and can cause the blockage of the inside due to impurities generated in the pipe during the circulation and the transmission of the pipe, so that the pipe needs to be cleaned regularly, and a drain device for the blockage of the pipe needs to be used during the regular cleaning of the pipe.
At present, the patent number is CN202123222104.1, the utility model discloses a pipeline blowdown filter device, which comprises a water inlet, wherein the bottom of the water inlet is connected with an upper mounting block, the lower part of the upper mounting block is connected with a lower mounting block, the bottom of the lower mounting block is connected with a filter cavity, an upper filter plate is fixedly arranged in a filter neck, a lower filter plate is arranged below the upper filter plate, filter holes are formed in the upper filter plate and the lower filter plate, the middle part of the lower filter plate is in sealing connection with the upper end of a supporting rod, the lower end of the supporting rod penetrates through the connecting hole to extend out of the filter cavity and is connected with the output end of a driving motor, the supporting rod is connected with a bearing at the bottom of the filter cavity, a flushing port, a drain port and a water outlet are arranged on the side edge of the filter cavity, and the flushing port is positioned above the drain port. The device is provided with an upper filter plate and a lower filter plate, and the overlap ratio between the upper filter plate and the filter holes on the lower filter plate can be changed through the rotation of the lower filter plate, so that the liquid filtering rate of the device is changed, the existing sewage discharging device is used for flushing and filtering the multi-layer filter plate through flushing holes in the using process, the inconvenience and the adhesion impurities on the filter screen are treated, the filter screen is blocked for a long time, the dredging efficiency of pipeline sewage discharging is reduced, and therefore, the sewage discharging device for avoiding pipeline blocking is provided, so that the problem in the above is solved.
Disclosure of Invention
The utility model aims to provide a sewage disposal device for avoiding pipeline blockage, which solves the problems that the prior sewage disposal device provided in the background technology washes and filters a plurality of layers of filter plates through flushing holes, is inconvenient to treat adhesion impurities on filter screens, causes filter screen blockage for a long time, and reduces the efficiency of pipeline sewage disposal and dredging.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a avoid drain of pipeline jam, includes the drain pipe, the inside one end of drain pipe is equipped with rotatory garrulous subassembly, clean vice pipe assembly and filter vat, rotatory garrulous subassembly of stirring clean vice pipe assembly with the filter vat arranges the setting in proper order, the inboard of filter vat is equipped with the filtration and prevents stifled subassembly, rotatory garrulous subassembly of stirring includes connecting rod and stirring frame, clean vice pipe assembly includes filling pipe and rotatory clean ball, is that most filtration prevents stifled subassembly and includes frame and filter.
Through opening the drain pipe in advance, utilize the carriage lower extreme to smash the sword and stir in aqueous smashing, thereby can smash the impurity and the granule that flow in the pipeline inside, reduce the deposit and piling up of solid particle through the stirring, thereby reduce the risk of pipeline jam, avoid piling up and blocking up of impurity, after the carriage stirs, adopt rotatory clean ball to flow small-size impurity in the pipeline inside and play auxiliary boost's effect, can regularly clear away solid matter, dirt and precipitate, keep the pipeline unblocked, improve the flexibility of intraductal flowing water, effectively avoid the pipeline to block up, utilize the filter to carry out secondary to sieve to impurity in the water and leak, prevent solid matter to get into the pipeline, avoid blocking up, adopt the spring to rebound to press down, be convenient for the fly leaf flexible press back and forth, make the scraper of semicircle scraper inboard cut the curettage along the inboard plug of semicircle scraper, thereby prevent solid matter to get into the pipeline, avoid the jam of pipeline, utilize fixed spacing semicircle scraper to fix the skew, reduce the effect of scraping impurity on the screen, help reducing solid particle, dirt and pollutant get into the pipeline, prevent the emergence of jam thereby be convenient for handle the adhesion of filtering, make inside unblocked, and improve the drain efficiency of dredging.
Further, the upper end of frame is equipped with the latch closure, the inside of frame is equipped with the fly leaf, the one end center of frame is equipped with presses the knot, it passes to press the knot the frame extends to inside, the outer end of fly leaf is equipped with the spring, press down to detain through the spring with the fly leaf is connected, the inside of spring is equipped with the telescopic link, the inboard of spring is equipped with spring damping, adopts the spring to rebound to pressing the knot to the fly leaf is convenient for make a round trip to stretch out and draw back to press.
Further, the inside of frame is equipped with the fixed plate, the fixed plate with the fly leaf sets up mutually, the inside of filter is equipped with semicircle scraper blade and spacing semicircle sleeve, the filter is located the lower extreme of frame, the fly leaf with semicircle scraper blade connects, the inner wall of semicircle scraper blade is equipped with the scraper, the scraper with the filter laminating sets up, utilizes the scraper to cut the scraping to the inboard jam of filter to prevent that solid matter from getting into the pipeline, avoid the jam of pipeline.
Further, the fixed plate with spacing semicircle sleeve is connected, the fixed plate outer end is equipped with stop bolt, stop bolt passes the fixed plate with frame coupling, the one end of scraper is followed the inner wall of spacing semicircle sleeve slides, the filter passes through the latch closure is followed the filter tank inboard slides, through fixed spacing semicircle sleeve, can effectively carry out spacing to semicircle scraper blade, avoids semicircle scraper blade's cheapness, reduces the efficiency of picking and scraping impurity.
Further, the stirring frame is located the outer end of connecting rod, the stirring frame has the multiunit, and the multiunit the stirring frame is followed the outer end stack setting of connecting rod, the lower extreme of stirring frame is equipped with crushing blade, the upper end of connecting rod is equipped with rotatory piece, the top of connecting rod is equipped with the motor, the motor with rotatory piece is connected, utilizes stirring frame lower extreme crushing blade to stir and smash to impurity and granule that can pipeline inside flow are smashed, avoid piling up and the jam of impurity.
Further, the filling pipe is located the inboard of drain pipe, the filling pipe with the laminating of drain pipe sets up, the inner wall of filling pipe is equipped with rotatory cleaning ball, rotatory cleaning ball is equipped with the multiunit, the multiunit rotatory cleaning ball is followed the inner wall annular array of filling pipe, the wash port has been seted up to the filling pipe outer end, the multiunit has been seted up to the wash port is followed fill pipe outer ring shape sets up, rotatory cleaning ball extends to the inboard of wash port, adopts rotatory cleaning ball to play auxiliary boost's effect to the inside small-size impurity that flows of pipeline, improves intraductal flexibility, effectively avoids the pipeline to block up.
Further, the lower extreme of drain pipe is equipped with the limiting plate, the limiting plate with be equipped with the connector link between the drain pipe, the limiting plate pass through the connector link with the limiting plate is connected, the limiting plate with the drain pipe laminating sets up, utilizes the connector link to fix, prevents rocking of drain pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the drain pipe is opened in advance, the lower end of the stirring frame is utilized to stir and crush the impurities and particles flowing in the pipeline in water, so that the deposition and accumulation of solid particles are reduced through stirring, the risk of pipeline blockage is reduced, the accumulation and blockage of the impurities are avoided, after the stirring frame is used for stirring, the rotary cleaning ball is utilized to play a role of assisting in boosting the flowing small impurities in the pipeline, the solid substances, dirt and precipitate can be removed regularly, the pipeline is kept smooth, the flexibility of flowing water in the pipeline is improved, the pipeline blockage is effectively avoided, the impurities in the water are screened secondarily, the solid substances are prevented from entering the pipeline, the blockage is avoided, the spring is utilized to rebound the pressing button, the movable plate is convenient to stretch back and forth, the scraper on the inner side of the semicircular scraper is enabled to cut and scrape the blockage along the inner side of the filter plate, the blockage of the pipeline is avoided, the semicircular scraper is fixedly limited by utilizing the fixed limiting semicircular sleeve, the deviation of the semicircular scraper is avoided, the effect of scraping the impurities is reduced, the solid particles, the dirt and the pollutants on the pipeline is facilitated to be reduced, the pipeline blockage is prevented, the occurrence is prevented, the adhesion of the filtered impurities in the pipeline is convenient to treat the inside the pipeline, the filter is convenient, and the dredged efficiency of the pipeline is improved, and the pollution is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a rotary mashing assembly of the present utility model;
FIG. 3 is a schematic view of a filter plate structure according to the present utility model;
FIG. 4 is a schematic view of the internal structure of the filtering anti-blocking assembly of the present utility model;
FIG. 5 is a schematic view of a cleaning sub-pipe assembly according to the present utility model.
In the figure: 1. a drain pipe; 2. a limiting plate; 3. rotating the mashing assembly; 4. a connecting rod; 5. a stirring rack; 6. a crushing blade; 7. cleaning the secondary pipe assembly; 8. a filling tube; 9. a drain hole; 10. rotating the cleaning ball; 11. a filter tank; 12. filtering the anti-blocking component; 13. a ring buckle; 14. a frame; 15. a filter plate; 16. pressing the button; 17. a movable plate; 18. a fixing plate; 19. a semicircular scraping plate; 20. a limit semicircle sleeve; 21. a scraper.
Detailed Description
Referring to fig. 1-5, an embodiment of the present utility model is provided: a sewage disposal device for avoiding pipeline blockage comprises a drain pipe 1, wherein one end of the inside of the drain pipe 1 is provided with a rotary crushing assembly 3, a cleaning auxiliary pipe assembly 7 and a filter tank 11, the rotary crushing assembly 3, the cleaning auxiliary pipe assembly 7 and the filter tank 11 are sequentially arranged, the inner side of the filter tank 11 is provided with a filtering anti-blocking assembly 12, the rotary crushing assembly 3 comprises a connecting rod 4 and a stirring frame 5, the cleaning auxiliary pipe assembly 7 comprises a filling pipe 8 and a rotary cleaning ball 10, the plurality of filtering anti-blocking assemblies 12 comprise a frame 14 and a filter plate 15, the drain pipe 1 is opened in advance, a crushing cutter at the lower end of the stirring frame 5 is used for stirring and crushing in water, so that impurities and particles flowing in the pipeline can be crushed, the deposition and accumulation of solid particles are reduced through stirring, and the risk of pipeline blockage is reduced, the piling and blocking of impurities are avoided, after the stirring frame 5 is stirred, the rotary cleaning ball 10 is adopted to play a role in assisting the pushing of small-sized impurities flowing in the pipeline, solid matters, dirt and sediments can be removed regularly, the pipeline is kept smooth, the flexibility of running water in the pipeline is improved, the pipeline blocking is effectively avoided, the filter plate 15 is utilized to carry out secondary sieving leakage on the impurities in the water, the solid matters are prevented from entering the pipeline, blocking is avoided, the pressing buckle 16 is elastically rebounded by adopting a spring, the movable plate 17 is conveniently and flexibly pressed back and forth, the scraper 21 on the inner side of the semicircular scraper 19 cuts and scrapes along the inner blocking matters of the filter plate 15, the solid matters are prevented from entering the pipeline, the blocking of the pipeline is avoided, the semicircular scraper 19 is fixedly limited by the fixed limiting semicircular sleeve 20, the deviation of the semicircular scraper 19 is avoided, the effect of scraping the impurities is reduced, and the solid particles are reduced Dirt and pollutants enter the pipeline, and the pipeline is prevented from being blocked, so that the adhesion impurities on the filter screen can be conveniently treated, the internal filtration is smooth, and the dredging efficiency of pipeline pollution discharge is improved.
When in actual use, the upper end of frame 14 is equipped with latch closure 13, the inside of frame 14 is equipped with fly leaf 17, the one end center of frame 14 is equipped with presses and buckles 16, press and detain 16 and pass the frame 14 extends to inside, the outer end of fly leaf 17 is equipped with the spring, press and detain 16 through the spring with fly leaf 17 is connected, the inside of spring is equipped with the telescopic link, the inboard of spring is equipped with spring damping, adopts the spring to rebound to press and detain 16 to the flexible pressing of being convenient for of fly leaf 17 makes a round trip, the inside of frame 14 is equipped with fixed plate 18, fixed plate 18 with fly leaf 17 sets up, the inside of filter 15 is equipped with semicircle scraper 19 and spacing semicircle sleeve 20, filter 15 is located the lower extreme of frame 14, fly leaf 17 with semicircle scraper 19 is connected, the inner wall of semicircle scraper 19 is equipped with scraper 21, scraper 21 with filter 15 laminating sets up, uses scraper 21 to prevent to cut the inboard of filter 15 to block up, thereby prevent that solid material from getting into the pipeline, the pipeline is blocked up.
In addition, fixed plate 18 with spacing semicircle sleeve 20 is connected, the fixed plate 18 outer end is equipped with spacing bolt, spacing bolt passes fixed plate 18 with frame 14 connects, the one end of scraper 21 is followed the inner wall of spacing semicircle sleeve 20 slides, filter 15 passes through the latch closure 13 is followed the filter vat 11 inboard slides, through fixed spacing semicircle sleeve 20, can effectively spacing semicircle scraper blade 19, avoids semicircle scraper 19's cheapness, reduces the efficiency of scraping impurity, and stirring frame 5 is located the outer end of connecting rod 4, stirring frame 5 is equipped with the multiunit, multiunit stirring frame 5 is followed the outer end stack setting of connecting rod 4, the lower extreme of stirring frame 5 is equipped with crushing blade 6, the upper end of connecting rod 4 is equipped with the rotary block, the top of connecting rod 4 is equipped with the motor, the motor with the rotary block is connected, utilizes stirring crushing blade 6 to stir crushing to smash to impurity and granule that can pipeline inside is mobile is smashed, avoids piling up and the jam of impurity.
The concrete supplementary explanation is, fill pipe 8 is located the inboard of drain pipe 1, fill pipe 8 with the laminating of drain pipe 1 sets up, the inner wall of fill pipe 8 is equipped with rotatory cleaning ball 10, rotatory cleaning ball 10 is equipped with the multiunit, the multiunit rotatory cleaning ball 10 is followed fill pipe 8's inner wall annular array, fill pipe 8 outer end has seted up wash port 9, the multiunit has been seted up to wash port 9, multiunit wash port 9 is followed fill pipe 8 outer ring shape sets up, rotatory cleaning ball 10 extends to the inboard of wash port 9 adopts rotatory cleaning ball 10 to flow small-size impurity to play auxiliary boost's effect to the pipeline inside, improves intraductal flexibility, effectively avoids the pipeline to block up, and drain pipe 1's lower extreme is equipped with limiting plate 2, limiting plate 2 with be equipped with the connector link between drain pipe 1, limiting plate 2 pass through the connector link with limiting plate 2 is connected, limiting plate 2 with drain pipe 1 sets up, utilizes the connector link to fix, prevents rocking laminating of drain pipe 1.
In summary, the utility model provides a sewage draining device for avoiding pipeline blockage, comprising a drain pipe 1, wherein one end of the inside of the drain pipe 1 is provided with a rotary crushing assembly 3, a cleaning auxiliary pipe assembly 7 and a filter tank 11, the rotary crushing assembly 3, the cleaning auxiliary pipe assembly 7 and the filter tank 11 are sequentially arranged, the inner side of the filter tank 11 is provided with a filtering anti-blocking assembly 12, the rotary crushing assembly 3 comprises a connecting rod 4 and a stirring frame 5, the cleaning auxiliary pipe assembly 7 comprises a filling pipe 8 and a rotary cleaning ball 10, the plurality of filtering anti-blocking assemblies 12 comprise a frame 14 and a filter plate 15, the drain pipe 1 is opened in advance, a crushing knife at the lower end of the stirring frame 5 is utilized for stirring and crushing impurities and particles flowing in the pipeline, and the deposition and accumulation of solid particles are reduced through stirring, so that the risk of pipeline blockage is reduced, avoiding accumulation and blockage of impurities, after the stirring frame 5 is stirred, adopting the rotary cleaning ball 10 to play a role of assisting in pushing small impurities flowing in the pipeline, periodically removing solid matters, dirt and sediments, keeping the pipeline smooth, improving the flexibility of running water in the pipeline, effectively avoiding pipeline blockage, utilizing the filter plate 15 to carry out secondary sieving leakage on the impurities in the water, preventing the solid matters from entering the pipeline, avoiding blockage, adopting the spring to rebound the pressing buckle 16, facilitating the back and forth telescopic pressing of the movable plate 17, enabling the scraper 21 at the inner side of the semicircular scraper 19 to cut and scrape the inner side blockage along the filter plate 15, thereby preventing the solid matters from entering the pipeline, avoiding the blockage of the pipeline, utilizing the fixed limit semicircular sleeve 20 to carry out fixed limit on the semicircular scraper 19, avoiding the deviation of the semicircular scraper 19, reducing the effect of scraping the impurities, the filter screen is beneficial to reducing solid particles, dirt and pollutants from entering the pipeline, and prevents the pipeline from being blocked so as to facilitate the treatment of adhering impurities on the filter screen, so that the internal filtration is smooth, and the dredging efficiency of pipeline pollution discharge is improved.
Claims (7)
1. The utility model provides a avoid drain of pipeline jam, includes drain pipe, its characterized in that: the inside one end of drain pipe is equipped with rotatory garrulous subassembly, clean vice pipe assembly and filter vat, rotatory garrulous subassembly clean vice pipe assembly with the filter vat is arranged in proper order and is set up, the inboard of filter vat is equipped with filters and prevents stifled subassembly, rotatory garrulous subassembly includes connecting rod and stirring frame, clean vice pipe assembly includes filling pipe and rotatory clean ball, is that most filtration prevents stifled subassembly and includes frame and filter.
2. A sewer apparatus for avoiding pipeline plugging according to claim 1 wherein: the upper end of frame is equipped with the latch closure, the inside of frame is equipped with the fly leaf, the one end center of frame is equipped with presses the knot, it passes to press the knot the frame extends to inside, the outer end of fly leaf is equipped with the spring, press the knot through the spring with the fly leaf is connected, the inside of spring is equipped with the telescopic link, the inboard of spring is equipped with spring damping.
3. A sewer apparatus for avoiding pipeline plugging according to claim 2 wherein: the inside of frame is equipped with the fixed plate, the fixed plate with the fly leaf sets up mutually, the inside of filter is equipped with semicircle scraper blade and spacing semicircle sleeve, the filter is located the lower extreme of frame, the fly leaf with semicircle scraper blade connects, the inner wall of semicircle scraper blade is equipped with the scraper, the scraper with the laminating of filter sets up.
4. A sewer apparatus for avoiding pipeline plugging according to claim 3 wherein: the fixed plate with spacing semicircle sleeve is connected, the fixed plate outer end is equipped with spacing bolt, spacing bolt passes the fixed plate with frame coupling, the one end of scraper is followed spacing semicircle sleeve's inner wall slides, the filter passes through the latch closure is followed the filter tank inboard slides.
5. A sewer apparatus for avoiding pipeline plugging according to claim 1 wherein: the stirring frame is located the outer end of connecting rod, the stirring frame has the multiunit, and the multiunit the stirring frame is followed the outer end stack setting of connecting rod, the lower extreme of stirring frame is equipped with crushing blade, the upper end of connecting rod is equipped with rotatory piece, the top of connecting rod is equipped with the motor, the motor with rotatory piece is connected.
6. A sewer apparatus for avoiding pipeline plugging according to claim 1 wherein: the filling pipe is located the inboard of drain pipe, the filling pipe with the laminating of drain pipe sets up, the inner wall of filling pipe is equipped with rotatory cleaning ball, rotatory cleaning ball is equipped with the multiunit, the multiunit rotatory cleaning ball is followed the inner wall annular array of filling pipe, the wash port has been seted up to the filling pipe outer end, the multiunit has been seted up to the wash port, multiunit the wash port is followed fill outer ring annular setting of pipe, rotatory cleaning ball extends to the inboard of wash port.
7. A sewer apparatus for avoiding pipeline plugging according to claim 1 wherein: the lower extreme of drain pipe is equipped with the limiting plate, the limiting plate with be equipped with the connector link between the drain pipe, the limiting plate pass through the connector link with the limiting plate is connected, the limiting plate with the laminating of drain pipe sets up.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322300943.3U CN220656589U (en) | 2023-08-25 | 2023-08-25 | Pollution discharge device capable of avoiding pipeline blockage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322300943.3U CN220656589U (en) | 2023-08-25 | 2023-08-25 | Pollution discharge device capable of avoiding pipeline blockage |
Publications (1)
Publication Number | Publication Date |
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CN220656589U true CN220656589U (en) | 2024-03-26 |
Family
ID=90335833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322300943.3U Active CN220656589U (en) | 2023-08-25 | 2023-08-25 | Pollution discharge device capable of avoiding pipeline blockage |
Country Status (1)
Country | Link |
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CN (1) | CN220656589U (en) |
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2023
- 2023-08-25 CN CN202322300943.3U patent/CN220656589U/en active Active
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