CN111804023A - Tower crane is intake pipe filter equipment for spray thrower - Google Patents
Tower crane is intake pipe filter equipment for spray thrower Download PDFInfo
- Publication number
- CN111804023A CN111804023A CN202010712993.0A CN202010712993A CN111804023A CN 111804023 A CN111804023 A CN 111804023A CN 202010712993 A CN202010712993 A CN 202010712993A CN 111804023 A CN111804023 A CN 111804023A
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- Prior art keywords
- wall
- annular
- filter screen
- cavity
- chamber
- 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.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000007790 scraping Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 abstract description 24
- 238000005507 spraying Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/018—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements ring shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a water inlet pipeline filtering device for a tower crane spraying machine, which comprises a shell, wherein a circular cavity is formed in the shell, a water inlet pipe is connected below the inner wall of the circular cavity, a water outlet pipe is connected above the inner wall of the circular cavity, an annular filter screen is fixedly connected to the inner wall of the circular cavity, the annular filter screen and the inner wall of the circular cavity form an annular cavity, the inner wall of the annular cavity is hermetically and slidably connected with a plurality of scraping plates, and a driving mechanism for driving the scraping plates to slide on the inner wall of the annular cavity is arranged in. The annular filter screen is used for filtering particle impurities in a water source, so that particles are prevented from being pressurized into the spray head along with the water source to cause the blockage of spray holes in the spray head, the coil spring is stored by rotating the water rotating wheel, when no water flows through the shell, the coil spring releases elastic force to drive the impeller to rotate, further the scraper is driven to rotate, the impurities on the annular filter screen are pushed, the annular filter screen is cleaned, and the effect of automatic cleaning is achieved.
Description
Technical Field
The invention relates to the technical field of spraying machines, in particular to a water inlet pipeline filtering device for a tower crane spraying machine.
Background
When more dust exists on a construction site, a water source connected with a water inlet pipeline of the spraying machine is pressurized to enter a water outlet pipeline connected with a suspension arm of the tower crane and is sprayed out from a spray head to perform dust settling treatment on the construction site.
Present tower crane spraying machine is in order to save the water resource, often combine together with circulating water recovery system, circulating water recovery system major cycle water is collected, filter, generate after the sediment, but at the circulating water after handling, still there are some impurities in the water source, for example grit and iron rust, the orifice outflow on the unable tower crane spraying machine shower nozzle of these granules, make the tower crane spraying machine pressurize the water source in the circulating water recovery system after, these granules can directly lead to the orifice on the shower nozzle from inside to block up, the spraying range effect of shower nozzle has been reduced, in addition, because the position of shower nozzle installation is higher, it is difficult to the dismantlement of shower nozzle, further influence the dust fall treatment effect on the building site.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a water inlet pipeline filtering device for a tower crane spraying machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water inlet pipeline filtering device for a tower crane sprayer comprises a shell, wherein a circular cavity is formed in the shell, a water inlet pipe is connected below the inner wall of the circular cavity, a water outlet pipe is connected above the inner wall of the circular cavity, an annular filter screen is fixedly connected to the inner wall of the circular cavity, the annular filter screen and the inner wall of the circular cavity form an annular cavity, a plurality of scraping plates are connected to the inner wall of the annular cavity in a sealing and sliding manner, the plurality of scraping plates are fixedly connected through connecting rods, one of the scraping plates is made of a magnetic material, the plurality of scraping plates uniformly divide the annular cavity into a plurality of sealing cavities, the sealing cavity right opposite to the water inlet pipe is a water inlet cavity, the sealing cavity right opposite to the water outlet pipe is a water outlet cavity, the sealing cavity far away from the water inlet pipe and the water outlet pipe is, the lower end of the shell is provided with an impurity removing groove, the inner wall of the annular cavity is provided with an impurity removing opening communicated with the impurity removing groove, and a driving mechanism for driving the scraper to slide on the inner wall of the annular cavity is installed in the circular cavity.
Preferably, actuating mechanism includes that sealed rotation connects the pivot at circular intracavity wall, pivot lateral wall fixedly connected with hydropneumatic wheel, the casing lateral wall rotates and is connected with one-way bearing, a plurality of impellers of one-way bearing outer lane fixedly connected with, one of them the impeller adopts magnetic material to make, the casing lateral wall is seted up flutedly, pivot one end run through the casing lateral wall and with one-way bearing inner circle fixed connection, the part cover that the pivot is located the recess is equipped with the coil spring, coil spring inner and pivot lateral wall fixed connection, coil spring outer end and recess inner wall fixed connection.
Preferably, a plurality of the equal fixedly connected with of scraper blade with the laminating of annular filter screen lateral wall of scraper blade one end.
The invention has the following beneficial effects:
1. by arranging the annular filter screen and the arc-shaped partition plate, when the spraying machine extracts rainwater in the circulating water recovery system, a water source entering from the water inlet pipe enters the water outlet pipe after being filtered again through the annular filter screen, and granular impurities such as sand, metal and the like in the water source are filtered, so that the situation that the granules can be pressurized into the spray head along with the water source to cause the blockage of spray holes on the spray head and further influence the dust-falling treatment effect on a construction site is avoided;
2. through the arrangement of the rotating shaft, the water moving wheel, the coil spring, the one-way bearing and the impeller, when water is pressurized in the water inlet pipe, the water moving wheel can be driven to rotate, the coil spring is further forced to rotate, the impeller cannot rotate at the moment under the action of the one-way bearing, when no water is in the water inlet pipe, the water moving wheel cannot rotate any more, so that the elastic force is released from the coil spring, the rotating shaft is driven to rotate in the opposite direction, the impeller is driven to rotate, the impeller drives the scraper made of a magnetic material to rotate, the scraper pushes impurities on the annular filter screen, and the impurities can flow out from an impurity removing opening under the action of gravity along with the rotation of the scraper, so that the automatic cleaning effect is achieved, the impurities in a water source can be effectively and continuously filtered, manual maintenance is not needed, an additional driving piece;
3. through setting up the doctor-bar, the doctor-bar can strike off the impurity of adhesion on annular filter screen when the scraper blade rotates, carries out further cleanness to annular filter screen, avoids the impurity of adhesion on the annular filter screen to make the mesh blockked up, influences the entering of rivers.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic sectional view of the direction A-A in the first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: the device comprises a shell 1, a circular cavity 2, a water inlet pipe 3, a water outlet pipe 4, an annular filter screen 5, an annular cavity 6, a water inlet cavity 61, a water outlet cavity 62, an impurity removing cavity 63, a scraping plate 7, an arc-shaped partition plate 8, an impurity removing groove 9, an impurity removing opening 10, a rotating shaft 11, a water driving wheel 12, a one-way bearing 13, an impeller 14, a groove 15, a coil spring 16 and a scraping blade 17.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Example one
Referring to fig. 1-2, a water inlet pipeline filtering device for a tower crane spray thrower comprises a housing 1, a circular cavity 2 is formed in the housing 1, a water inlet pipe 3 is connected below the inner wall of the circular cavity 2, a water outlet pipe 4 is connected above the inner wall of the circular cavity 2, further, the water inlet pipe 3 and a circulating water recovery system, the circulating water recovery system is the prior art and is not described herein, the water outlet pipe 4 is connected with a water inlet pipeline in the spray thrower, an annular filter screen 5 is fixedly connected to the inner wall of the circular cavity 2, the annular filter screen 5 and the inner wall of the circular cavity 2 form an annular cavity 6, a plurality of scraping plates 7 are connected to the inner wall of the annular cavity 6 in a sealing and sliding manner, the plurality of scraping plates 7 are fixedly connected through a connecting rod, one scraping plate 7 is made of a magnetic material, the plurality of scraping plates 7 uniformly divide the annular cavity 6 into a plurality of, be the edulcoration chamber 63 with the sealed chamber that inlet tube 3 and outlet pipe 4 kept away from, annular filter screen 5 is close to the sealed fixedly connected with arc baffle 8 of inner wall of edulcoration chamber 63, it is further, arc baffle 8 can avoid rivers to pass through annular filter screen 5 and get into in the edulcoration chamber 63, and then avoid in the edulcoration chamber 63 driving scraper blade 7 to rotate because of there being rivers, stability when ensuring the device to use, edulcoration groove 9 has been seted up to casing 1 lower extreme, impurity removing opening 10 with edulcoration groove 9 intercommunication is seted up to 6 inner walls of annular chamber, install driving scraper blade 7 at the gliding actuating mechanism of 6 inner walls of annular chamber in the circular chamber 2.
The driving mechanism comprises a rotating shaft 11 which is connected with the inner wall of the circular cavity 2 in a sealing and rotating way, the side wall of the rotating shaft 11 is fixedly connected with a water wheel 12, the side wall of the shell 1 is connected with a one-way bearing 13 in a rotating way, the outer ring of the one-way bearing 13 is fixedly connected with a plurality of impellers 14, one impeller 14 is made of magnetic materials, the side wall of the shell 1 is provided with a groove 15, one end of the rotating shaft 11 penetrates through the side wall of the shell 1 and is fixedly connected with the inner ring of the one-way bearing 13, furthermore, when the water wheel 12 rotates under the action of water flow, as shown in the arrow direction of figure 1, the inner ring of the one-way bearing 13 cannot drive the outer ring to rotate, the part of the rotating shaft 11, which is positioned in the groove 15 is sleeved with a coil spring 16, the inner end of the coil spring 16 is fixedly connected with the side wall of the rotating shaft 11, the, the coil spring 16 is energized, so that the coil spring 16 accumulates power, when the elastic force of the coil spring 16 is the same as the rotating force of the hydrodynamic wheel 12, the coil spring 16 is not energized any more, when no water flows through the shell 1, the water flow does not drive the hydrodynamic wheel 12 to rotate any more, so that the coil spring 16 releases the elastic force, the rotating shaft 11 is driven to rotate in the opposite direction, under the action of the one-way bearing 13, the impeller 14 is driven to rotate, when the released elastic force is complete after the coil spring 16 is energized, the scraper 7 rotates for a circle in the annular cavity 6 at the moment, the positions of the water inlet cavity 61, the water outlet cavity 62 and the impurity removing cavity 63 return to the original position, and the effective operation of the device is ensured.
It should be noted that, under the impact of water flow, the scraper 7 has a tendency of sliding on the inner wall of the annular cavity 6, and when the scraper 7 rotates, the impeller 14 is driven to rotate, so that the rotation direction of the inner ring of the one-way bearing 13 is opposite to the rotation direction of the rotating shaft 11, when the housing 1 is used, the rotating force generated by the water wheel 12 under the action of water flow is far greater than the rotating force generated when the scraper 7 rotates, so that the rotating shaft 11 drives the inner ring of the one-way bearing 13 to rotate only in the direction of the rotation of the water wheel 12, thereby inhibiting the scraper 7 from rotating in the annular cavity 6, and ensuring the stability of water.
In this embodiment, when the tower crane spraying machine is used, at this time, the spraying machine can pressurize to suck water in the circulating water recovery system through the water inlet pipe 3, at this time, the annular filter screen 5 can filter particle impurities in the water flow, and discharge the filtered water flow through the water outlet pipe 4, when the water flow flows into the water outlet cavity 62 from the water inlet cavity 61, the water driving wheel 12 fixedly connected to the side wall of the rotating shaft 11 is driven to rotate under the action of the water flow, and further the coil spring 16 fixedly connected to the side wall of the rotating shaft 11 is driven to rotate, so as to exert a powerful force on the coil spring 16, and as one end of the rotating shaft 11 is fixedly connected with the inner ring of the one-way bearing 13, when the water driving wheel 12 rotates, the impeller 14 fixedly connected to the;
when no water flow rotates in the shell 1, the water flow does not drive the water wheel 12 to rotate any more at the moment, the coil spring 16 releases elasticity at the moment, the rotating shaft 11 is driven to rotate in the opposite direction, the impeller 14 is driven to rotate under the action of the one-way bearing 13, the impeller 14 drives the scraper 7 to rotate on the inner wall of the annular cavity 6, and the scraper 7 pushes away the particle impurities filtered from the annular filter screen 5 when rotating on the inner wall of the annular cavity 6 and discharges the particle impurities from the impurity removing port 10 to automatically clean the annular filter screen 5.
Example two
Referring to fig. 3, unlike the first embodiment, one end of each of the scrapers 7 is fixedly connected with a scraping blade 17 attached to the side wall of the annular filter screen 5.
In this embodiment, when impeller 14 drives scraper blade 7 and rotates at annular chamber 6 inner wall, fixed connection can strike off the impurity of adhesion on annular filter screen 5 at scraper blade 17 of scraper blade 7 lateral wall, carries out further cleanness to annular filter screen 5, avoids the impurity of adhesion to make the mesh blockked up on annular filter screen 5, influences the entering of rivers.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a tower crane is intake pipe filter equipment for spray thrower, includes casing (1), its characterized in that, circular chamber (2) have been seted up in casing (1), circular chamber (2) inner wall below is connected with inlet tube (3), circular chamber (2) inner wall top is connected with outlet pipe (4), circular chamber (2) inner wall fixedly connected with annular filter screen (5), annular filter screen (5) and circular chamber (2) inner wall constitute annular chamber (6), annular chamber (6) inner wall sealing sliding connection has a plurality of scraper blades (7), and is a plurality of pass through connecting rod fixed connection between scraper blade (7), one of scraper blade (7) adopt magnetic material to make, and a plurality of scraper blade (7) equipartition divide into a plurality of sealed chambeies in annular chamber (6), with the just right sealed chamber of inlet tube (3) is inlet chamber (61), with outlet pipe (4) just right sealed chamber is out water cavity (62), with the sealed chamber that inlet tube (3) and outlet pipe (4) were kept away from is edulcoration cavity (63), annular filter screen (5) are close to the sealed fixedly connected with arc baffle (8) of inner wall in edulcoration cavity (63), edulcoration groove (9) have been seted up to casing (1) lower extreme, miscellaneous mouthful (10) of removing of intercommunication with edulcoration groove (9) are seted up to annular chamber (6) inner wall, install drive scraper blade (7) at the gliding actuating mechanism of annular chamber (6) inner wall in circular chamber (2).
2. The water inlet pipeline filtering device for the tower crane sprayer according to claim 1, the driving mechanism comprises a rotating shaft (11) which is connected with the inner wall of the circular cavity (2) in a sealing and rotating way, the side wall of the rotating shaft (11) is fixedly connected with a water wheel (12), the side wall of the shell (1) is rotatably connected with a one-way bearing (13), the outer ring of the one-way bearing (13) is fixedly connected with a plurality of impellers (14), one of the impellers (14) is made of magnetic material, a groove (15) is formed in the side wall of the shell (1), one end of the rotating shaft (11) penetrates through the side wall of the shell (1) and is fixedly connected with the inner ring of the one-way bearing (13), the part of the rotating shaft (11) positioned in the groove (15) is sleeved with a coil spring (16), the inner end of the coil spring (16) is fixedly connected with the side wall of the rotating shaft (11), and the outer end of the coil spring (16) is fixedly connected with the inner wall of the groove (15).
3. The water inlet pipeline filtering device for the tower crane sprayer according to claim 1, wherein one end of each of the scraping plates (7) is fixedly connected with a scraping plate (17) attached to the side wall of the annular filter screen (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010712993.0A CN111804023A (en) | 2020-07-22 | 2020-07-22 | Tower crane is intake pipe filter equipment for spray thrower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010712993.0A CN111804023A (en) | 2020-07-22 | 2020-07-22 | Tower crane is intake pipe filter equipment for spray thrower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111804023A true CN111804023A (en) | 2020-10-23 |
Family
ID=72862049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010712993.0A Pending CN111804023A (en) | 2020-07-22 | 2020-07-22 | Tower crane is intake pipe filter equipment for spray thrower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111804023A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843823A (en) * | 2021-04-16 | 2021-05-28 | 南京森昂机电科技有限公司 | Water resource circulation system based on green building |
| CN113007462A (en) * | 2021-02-20 | 2021-06-22 | 唐福华 | Resistance to compression type road administration PVC tubular product |
| CN115043536A (en) * | 2022-06-15 | 2022-09-13 | 千和建设集团有限公司 | Bury formula integration equipment with rainwater collection for green |
| CN115228172A (en) * | 2022-08-19 | 2022-10-25 | 李梦阳 | Sewage sediment filtering device |
| CN115253580A (en) * | 2022-09-05 | 2022-11-01 | 广州市万保职业安全事务有限公司 | Spray dust removal separation device |
| CN116726574A (en) * | 2023-08-11 | 2023-09-12 | 启东诺金装备科技有限公司 | Multistage sewage treatment equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443432A (en) * | 1972-12-21 | 1976-07-21 | Gec Diesels Ltd | Rotary drum filters |
| CN104083931A (en) * | 2014-07-31 | 2014-10-08 | 梁均全 | High-pressure filtering device for steel rolling sludge treatment |
| CN204689650U (en) * | 2015-04-22 | 2015-10-07 | 韩巧 | A kind of apparatus for treating sewage |
| CN110778848A (en) * | 2019-11-04 | 2020-02-11 | 翁连清 | Self-cleaning sewage discharge pipeline joint for underground engineering construction |
-
2020
- 2020-07-22 CN CN202010712993.0A patent/CN111804023A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443432A (en) * | 1972-12-21 | 1976-07-21 | Gec Diesels Ltd | Rotary drum filters |
| CN104083931A (en) * | 2014-07-31 | 2014-10-08 | 梁均全 | High-pressure filtering device for steel rolling sludge treatment |
| CN204689650U (en) * | 2015-04-22 | 2015-10-07 | 韩巧 | A kind of apparatus for treating sewage |
| CN110778848A (en) * | 2019-11-04 | 2020-02-11 | 翁连清 | Self-cleaning sewage discharge pipeline joint for underground engineering construction |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007462A (en) * | 2021-02-20 | 2021-06-22 | 唐福华 | Resistance to compression type road administration PVC tubular product |
| CN113007462B (en) * | 2021-02-20 | 2023-11-10 | 唐福华 | Compression-resistant road PVC pipe |
| CN112843823A (en) * | 2021-04-16 | 2021-05-28 | 南京森昂机电科技有限公司 | Water resource circulation system based on green building |
| CN115043536A (en) * | 2022-06-15 | 2022-09-13 | 千和建设集团有限公司 | Bury formula integration equipment with rainwater collection for green |
| CN115043536B (en) * | 2022-06-15 | 2024-05-28 | 千和建设集团有限公司 | Environment-friendly buried integrated equipment for collecting rainwater |
| CN115228172A (en) * | 2022-08-19 | 2022-10-25 | 李梦阳 | Sewage sediment filtering device |
| CN115253580A (en) * | 2022-09-05 | 2022-11-01 | 广州市万保职业安全事务有限公司 | Spray dust removal separation device |
| CN116726574A (en) * | 2023-08-11 | 2023-09-12 | 启东诺金装备科技有限公司 | Multistage sewage treatment equipment |
| CN116726574B (en) * | 2023-08-11 | 2023-10-20 | 启东诺金装备科技有限公司 | Multistage sewage treatment equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |