CN109098270B - Be used for municipal sewage draw-out device - Google Patents
Be used for municipal sewage draw-out device Download PDFInfo
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- CN109098270B CN109098270B CN201811099434.6A CN201811099434A CN109098270B CN 109098270 B CN109098270 B CN 109098270B CN 201811099434 A CN201811099434 A CN 201811099434A CN 109098270 B CN109098270 B CN 109098270B
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- sewage
- pipe
- collection tank
- rotating shaft
- tank
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
- E03F7/103—Wheeled apparatus for emptying sewers or cesspools with a tank featuring one or more partition walls
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
- E03F7/106—Accessories, e.g. hose support
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sewage (AREA)
Abstract
The invention discloses a municipal sewage extraction device which comprises a sewage collection tank, wherein a spiral dredging device is arranged inside the sewage collection tank, a sewage extraction device is arranged outside the sewage collection tank, an anti-blocking sewage pipe device is arranged on the sewage extraction device, the sewage extraction device pumps water in a municipal drainage pipeline into the sewage collection tank through the anti-blocking sewage pipe device, the sewage collection tank is conveyed to other places and then discharges sewage in the sewage collection tank through the spiral dredging device, a controller is arranged outside the sewage collection tank, and a control signal output end of the controller is electrically connected with the spiral dredging device and the sewage extraction device. The invention has the advantages of simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of relevant municipal sewage treatment equipment, in particular to a municipal sewage extraction device.
Background
In modern life, along with the development in city, when the drainage system in city met strong rainstorm, the slow condition of drainage appeared very easily, lead to the inside condition of appearing being flooded the road by the rainwater in city, municipal administration soil pick-up car is the car class special for municipal administration sewage treatment, extracts sewage through the soil pick-up car, transports the place of handling again, can the effectual condition that reduces urban waterlogging.
In patent CN 201721479440-a sewage treatment plant of sewage suction truck for municipal administration, through having set up agitating unit at depositing dirty roof portion, stir sewage, make its distribution that can be even when deposiing on the filter screen, prevent to pile up in one, increased the sedimentation velocity, the slow problem of uneven speed of having solved and deposiing has set up electric heater through depositing dirty incasement portion bottom, when getting into the sewage separation, can reduce sewage viscosity through the heating, the speed raise the efficiency of increase separation, the slow problem of inefficiency of separating velocity has been solved.
And among the above-mentioned device, in order to prevent that sewage from depositing at the dirty incasement that deposits, through setting up multiple structure, prevent that sewage from depositing and pile up, filter simultaneously, though can filter sewage, nevertheless also occupy the space of depositing dirty incasement portion simultaneously, lead to depositing dirty incasement portion's space and diminish, make the sewage that the dirty case of depositing can hold reduce, this just leads to when taking out dirty sewage, can increase work load.
Disclosure of Invention
The invention aims to solve the problems and designs a municipal sewage pumping device.
According to the technical scheme, the municipal sewage extraction device comprises a sewage collection tank, a spiral dredging device is arranged inside the sewage collection tank, a sewage extraction device is arranged outside the sewage collection tank, an anti-blocking sewage pipe device is mounted on the sewage extraction device, the sewage extraction device pumps water in a municipal drainage pipeline into the sewage collection tank through the anti-blocking sewage pipe device, the sewage collection tank is conveyed to other places, then sewage in the sewage collection tank is discharged through the spiral dredging device, a controller is arranged outside the sewage collection tank, and a control signal output end of the controller is electrically connected with the spiral dredging device and the sewage extraction device.
The spiral dredging device comprises two supporting bearings arranged at the centers of the side surfaces at two sides in the sewage collecting tank, a rotating shaft arranged on the supporting bearings, a first through hole arranged at the center in the rotating shaft, a first plurality of water outlet holes formed on the surface of the outer side of the rotating shaft, the first water outlet holes communicated with the first through hole, a plurality of supporting rods arranged on the rotating shaft, a second plurality of through holes formed at the center in the supporting rods, the second through holes fixedly connected with the first water outlet holes, the supporting rods uniformly distributed on the rotating shaft, 120 degrees in the vertical direction between the two adjacent supporting rods, a second plurality of water outlet holes formed on the surface of the outer side of the supporting rods, a spiral scraper arranged on the surface of the inner side of the sewage collecting tank, the inner side surface of the spiral scraper fixedly connected with the supporting rods, three fixed rods arranged at one end of the, the annular retainer plate of installation on the three dead lever, the internal gear groove guide rail of installation on the inboard surface of annular retainer plate are equipped with the driving gear on the internal gear groove guide rail, the rotating electrical machines of driving gear one side installation, the rotating electrical machines cabinet of installation below the rotating electrical machines, rotating electrical machines cabinet and sewage collection tank fixed connection, and rotation axis one end is equipped with the water tank device.
The water tank device comprises a water tank support arranged on one side of the sewage collecting tank, a water tank arranged on the water tank support, a sealing bearing arranged below the side surface of the water tank, a water inlet pipe arranged on the water tank and a water suction pump arranged on the water inlet pipe, wherein the sealing bearing is connected with one end of a rotating shaft, and the rotating shaft is inserted into the water tank.
The sewage pumping device comprises a vacuum sewage pumping pump support arranged on one side of the sewage collecting tank, a vacuum sewage pumping pump arranged on the vacuum sewage pumping pump support, a water outlet pipe arranged on the vacuum sewage pumping pump, a water outlet pipe fixedly connected with one end of the upper surface of the sewage collecting tank, and a sewage pumping hose arranged on the vacuum sewage pumping pump.
The anti-blocking sewage pipe device comprises a first reducing joint installed at one end of a sewage pumping hose, a nipple installed on the first reducing joint, a second reducing joint installed below the nipple, a sewage pumping short pipe installed below the second reducing joint, a filtering sieve plate installed at the lower end of the sewage pumping short pipe, a small bearing installed at the center of the filtering sieve plate, a small rotating shaft installed in the small bearing, a rotating blade installed at the lower end of the small rotating shaft, a rotating blade and filtering sieve plate movably connected, a small supporting bearing installed at the upper end of the small rotating shaft, a small support installed on the small supporting bearing, a small support fixedly connected with the inner side surface of the nipple and a spiral fan blade installed at the upper end of the small rotating shaft.
Three supporting rods are installed at the lower end of the sewage pumping short pipe, and an annular supporting ring is installed below the three supporting rods.
The sewage collecting tank is characterized in that a plate-type liquid level meter is installed on the outer side surface of the sewage collecting tank, a drain pipe is installed below the outer side surface of the sewage collecting tank, and a drain valve is installed on the drain pipe.
And the control signal output end of the controller is electrically connected with the rotating motor, the water suction pump and the vacuum sewage pumping pump.
According to the sewage extraction device for municipal administration, which is manufactured by the technical scheme of the invention, through the device, sewage can be easily pumped into the sewage collection tank by using the sewage extraction device, and through the anti-blocking sewage pipe device, the sewage can drive the spiral fan blades to rotate through water flow in the extraction process, so that the rotary blades rotate on the filter sieve plates, the filter sieve plates are prevented from being blocked by impurities such as plastic bags and the like in the sewage, meanwhile, when the sewage is discharged by the sewage collection tank, sludge in the sewage collection tank is removed through the spiral dredging device, and meanwhile, clear water can be sprayed into the sewage collection tank through the spiral dredging device, so that the sewage collection tank is convenient to clean.
Drawings
FIG. 1 is a schematic view of a municipal sewage extraction plant according to the invention;
FIG. 2 is a partial enlarged view of the spiral dredging device of the present invention;
FIG. 3 is a schematic view of the anti-clog sewer installation according to the present invention;
FIG. 4 is a schematic view of a plate level gauge of the present invention;
FIG. 5 is a schematic view of the controller of the present invention;
FIG. 6 is a schematic view of the internal gear groove guide of the present invention;
in the figure, 1, a sewage collecting tank; 2. a controller; 3. a support bearing; 4. a rotating shaft; 5. a first through hole; 6. a water outlet hole I; 7. a support bar; 8. a second through hole; 9. a water outlet hole II; 10. a spiral scraper; 11. fixing the rod; 12. an annular retainer ring; 13. an inner gear groove guide rail; 14. a driving gear; 15. a rotating electric machine; 16. a rotating motor base; 17. a water tank bracket; 18. a water tank; 19. sealing the bearing; 20. a water inlet pipe; 21. a water pump; 22. a vacuum sewage pumping pump support; 23. a vacuum sewage pumping pump; 24. a water outlet pipe; 25. a sewage pumping hose; 26. a first reducing joint; 27. a nipple; 28. a second reducing joint; 29. a short sewage pumping pipe; 30. filtering the sieve plate; 31. a small bearing; 32. a small rotating shaft; 33. a rotary blade; 34. a small support bearing; 35. a small support; 36. a helical fan blade; 37. a strut; 38. an annular support ring; 39. a plate-type liquid level meter; 40. a blow-off pipe; 41. a sewage draining valve.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-6, in this embodiment:
firstly, a sewage collecting tank 1 is arranged on a sewage disposal vehicle, when sewage needs to be pumped, a sewage pumping hose 25 is inserted into a sewer pipe, so that an anti-blocking sewage pipe device enters the sewage in the sewer pipe, at the moment, a controller 2 controls a vacuum sewage pumping pump 23 to start working, the vacuum sewage pumping pump 23 starts pumping the sewage through the sewage pumping hose 25, the sewage filters large impurities in the sewage through primary filtration of a filtering sieve plate 30, the sewage enters a sewage pumping short pipe 29 and then enters a short connecting pipe 27, the flow rate of the sewage is increased due to the reduction of the diameter of the short connecting pipe 27, when the sewage passes through the short connecting pipe 27, the sewage flushes the spiral fan blades 36, so that the spiral fan blades 36 start rotating, the spiral fan blades 36 rotate to drive the rotary cutter blades 33 to start rotating, the rotary cutter blades 33 rotate to break the impurities below the filtering sieve plate 30, and scrape off impurities such as plastic bags, the filtering sieve plate 30 is prevented from being blocked by impurities, sewage is pumped by the vacuum sewage pumping pump 23, enters the sewage collecting tank 1 through the water outlet pipe 24 and is stored in the sewage collecting tank 1;
when the sewage in the sewage collecting tank 1 is collected to a certain degree, a worker observes the sewage amount in the sewage collecting tank 1 through the plate-type liquid level meter 39, and when the storage amount reaches the upper limit, the controller 2 is controlled to control the device to stop running, and at the moment, the sewage collecting tank 1 can be conveyed to a discharge place through a sewage disposal vehicle;
when the sewage collecting tank 1 is conveyed to a discharge place, the water inlet pipe is connected with an external water source pipeline at the moment, the controller 2 controls the rotating motor 15 to start working, the rotating motor 15 rotates to drive the driving gear 14 to rotate, the driving gear 14 drives the inner gear groove guide rail 13 to rotate, so as to drive the rotating shaft 4 to start rotating, the rotating shaft 4 rotates to drive the spiral scraper 10 to start rotating inside the sewage collecting tank 1 through the supporting rod 7, the spiral scraper 10 rotates to scrape off sludge deposited on the inner side surface of the sewage collecting tank, meanwhile, the sludge is scraped onto the sewage discharge pipe 40 through the rotation of the spiral scraper 10, and sewage and sludge are discharged to the outside by opening the sewage discharge valve 41;
after sewage discharge finishes, controller 2 controls suction pump 21 and begins work this moment, in suction pump 21 pumped outside water to water tank 18, through the through-hole 5 in the rotation axis 4 enter into two 8 of through-hole in the bracing piece 7, two 9 of apopore on the rethread bracing piece 7 spray in the sewage catch bowl 1, 15 work of 2 control rotating electrical machines of while controller, spiral scraper blade 10 washs through the cooperation clear water of rotation, thereby wash sewage catch bowl 1.
Through the above-mentioned operation, when taking out dirty pump 23 extraction sewage through the vacuum, utilize the velocity of flow of sewage, it is rotatory to make sewage drive helical fan blade 36, thereby it is rotatory to drive swivel blade 33, clear away the impurity of filtering sieve 30 below, convenience of installation takes out dirty, simultaneously through setting up through-hole and apopore in rotation axis 4 and bracing piece 7, thereby make the washing that goes on that the device can be quick, prevent that the mud in the dirty water holding tank 1 from breeding the bacterium, can save the manual work simultaneously again.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (5)
1. A sewage extraction device for municipal administration comprises a sewage collection tank (1) and is characterized in that a spiral dredging device is arranged inside the sewage collection tank (1), a sewage extraction device is arranged outside the sewage collection tank (1), an anti-blocking sewage pipe device is installed on the sewage extraction device, the sewage extraction device pumps water in a municipal drainage pipeline into the sewage collection tank through the anti-blocking sewage pipe device, the sewage collection tank is conveyed to other places, sewage in the sewage collection tank is discharged through the spiral dredging device, a controller (2) is arranged outside the sewage collection tank (1), a control signal output end of the controller (2) is electrically connected with the spiral dredging device and the sewage extraction device, the spiral dredging device comprises two supporting bearings (3) installed at the side surface centers of the two sides inside the sewage collection tank (1), a rotating shaft (4) arranged on a supporting bearing (3), a through hole I (5) is arranged at the center inside the rotating shaft (4), a plurality of water outlet holes I (6) are formed in the outer side surface of the rotating shaft (4), the water outlet holes I (6) are communicated with the through hole I (5), a plurality of supporting rods (7) arranged on the rotating shaft (4), a plurality of through holes II (8) are formed in the center inside the supporting rods (7), the through holes II (8) are fixedly connected with the water outlet holes I (6), the supporting rods (7) are uniformly distributed on the rotating shaft (4), 120 degrees are formed between every two adjacent supporting rods (7) in the vertical direction, a plurality of water outlet holes II (9) are formed in the outer side surface of each supporting rod (7), the water outlet holes II (9) are uniformly distributed on the outer side surface of each supporting rod (7), a spiral scraper blade (10) is arranged on the inner side surface of a sewage collecting tank (1, three fixing rods (11) are arranged at one end of a rotating shaft (4), the three fixing rods (11) are uniformly distributed on the outer surface of the rotating shaft (4), an annular fixing ring (12) is arranged on the three fixing rods (11), an inner gear groove guide rail (13) is arranged on the inner surface of the annular fixing ring (12), a driving gear (14) is arranged on the inner gear groove guide rail (13), a rotating motor (15) is arranged at one side of the driving gear (14), a rotating motor base (16) is arranged below the rotating motor (15), the rotating motor base (16) is fixedly connected with a sewage collecting tank (1), a water tank device is arranged at one end of the rotating shaft (4), the sewage extracting device comprises a vacuum sewage extracting pump support (22) arranged at one side of the sewage collecting tank (1), a vacuum sewage extracting pump (23) arranged on the vacuum sewage extracting pump support (22), and a water outlet pipe (24) arranged on the vacuum sewage extracting pump (23), the water outlet pipe (24) is fixedly connected with one end of the upper surface of the sewage collecting tank (1), the sewage pumping hose (25) is installed on the vacuum sewage pumping pump (23), the anti-blocking sewage pipe device comprises a first reducing joint (26) installed at one end of the sewage pumping hose (25), a short connecting pipe (27) installed on the first reducing joint (26), a second reducing joint (28) installed below the short connecting pipe (27), a sewage pumping short pipe (29) installed below the second reducing joint (28), wherein the diameter of the short connecting pipe (27) is smaller than that of the sewage pumping short pipe (29), a filtering sieve plate (30) installed at the lower end of the sewage pumping short pipe (29), a small bearing (31) installed at the center of the filtering sieve plate (30), a small rotating shaft (32) installed in the small bearing (31), a rotating blade (33) installed at the lower end of the small rotating shaft (32), the rotating blade (33) is movably connected with the filtering sieve plate (30), and a small supporting bearing (34) installed at the upper end of the small rotating shaft (32, a small bracket (35) is arranged on the small support bearing (34), the small bracket (35) is fixedly connected with the inner side surface of the short connecting pipe (27), and a spiral fan blade (36) is arranged at the upper end of the small rotating shaft (32).
2. A sewage pumping device for municipal administration according to claim 1, wherein the water tank means comprises a water tank bracket (17) installed at one side of the sewage collection tank (1), a water tank (18) installed on the water tank bracket (17), a sealing bearing (19) installed below the side surface of the water tank (18), the sealing bearing (19) being connected to one end of the rotary shaft (4), the rotary shaft (4) being inserted into the water tank (18), a water inlet pipe (20) installed on the water tank (18), and a water suction pump (21) installed on the water inlet pipe (20).
3. A sewage extraction device for municipal administration according to claim 1, wherein the lower end of the sewage extraction stub (29) is fitted with three struts (37), and an annular support ring (38) is fitted under the three struts (37).
4. A sewage extraction device for municipal administration according to claim 1, wherein a plate-type level gauge (39) is installed on the outer side surface of the sewage collection tank (1), a drain pipe (40) is installed below the outer side surface of the sewage collection tank (1), and a drain valve (41) is installed on the drain pipe (40).
5. A sewage extraction device for municipal administration according to claim 2, wherein the control signal output of the controller (2) is electrically connected to the rotary motor (15), the suction pump (21) and the vacuum sewage pump (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099434.6A CN109098270B (en) | 2018-09-20 | 2018-09-20 | Be used for municipal sewage draw-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099434.6A CN109098270B (en) | 2018-09-20 | 2018-09-20 | Be used for municipal sewage draw-out device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109098270A CN109098270A (en) | 2018-12-28 |
| CN109098270B true CN109098270B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811099434.6A Active CN109098270B (en) | 2018-09-20 | 2018-09-20 | Be used for municipal sewage draw-out device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792091B (en) * | 2019-11-07 | 2020-09-08 | 湖北金湖建设工程有限公司 | Counter-flow drainage device for constructional engineering |
| CN111672848B (en) * | 2020-05-12 | 2021-06-15 | 江苏理工学院 | A kind of RV pull-out black water tank cleaning platform and cleaning method |
| CN112246802B (en) * | 2020-08-27 | 2023-04-28 | 浙江海洋大学 | Movable oil inlet and outlet pipe treatment device |
| CN112915923B (en) * | 2021-01-26 | 2022-12-23 | 江西同建机械发展有限公司 | Petrochemical production is extraction mechanism for buffer tank |
| CN114991275B (en) * | 2021-03-01 | 2025-02-25 | 赵小明 | An anti-blocking drainage device for water conservancy project construction |
| CN113638473A (en) * | 2021-08-16 | 2021-11-12 | 台嘉成都玻纤有限公司 | Self-starting vacuum water diversion siphon sewage drainage system and control method thereof |
| CN114837287B (en) * | 2022-03-30 | 2023-04-07 | 中徽生态环境有限公司 | Bury formula sewage treatment plant suitable for rural single household type human settlements |
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| CN206971347U (en) * | 2017-04-19 | 2018-02-06 | 四川建筑职业技术学院 | A kind of drainage system sewer well |
| CN207405753U (en) * | 2017-11-08 | 2018-05-25 | 湖北力威汽车有限公司 | A kind of liquid dirt transport vehicle |
| CN108202412A (en) * | 2018-03-15 | 2018-06-26 | 郑州启硕电子科技有限公司 | A kind of novel blender with cleaning function |
| CN207647858U (en) * | 2017-09-19 | 2018-07-24 | 大连海特泵业有限公司 | A kind of block-proof type immersible pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH196323A (en) * | 1937-07-31 | 1938-03-15 | Georg Suter | Rinsing device for glasses, mugs and similar vessels. |
| CN102433928A (en) * | 2011-10-04 | 2012-05-02 | 宋兰芳 | Truck for removing sludge from inspection well |
| CN105327910A (en) * | 2015-12-10 | 2016-02-17 | 重庆百齐居建材有限公司 | Spiral scraper structure |
| CN206971347U (en) * | 2017-04-19 | 2018-02-06 | 四川建筑职业技术学院 | A kind of drainage system sewer well |
| CN206780947U (en) * | 2017-05-05 | 2017-12-22 | 台州职业技术学院 | Miscellaneous cutter is scraped in a kind of plastic extruder |
| CN207647858U (en) * | 2017-09-19 | 2018-07-24 | 大连海特泵业有限公司 | A kind of block-proof type immersible pump |
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| CN109098270A (en) | 2018-12-28 |
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Effective date of registration: 20200714 Address after: No. 103, Wenchang East Road, Taixing high tech Industrial Development Zone, Taizhou City, Jiangsu Province Applicant after: Pengtu Construction Co., Ltd Address before: 301701 Building 701, No. 5, Fengdan Tiancheng District, Yangcun Street, Wuqing District, Tianjin Applicant before: Wang Fenglan |
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