CN113323111B - A municipal tunnel drainage device - Google Patents
A municipal tunnel drainage device Download PDFInfo
- Publication number
- CN113323111B CN113323111B CN202110802371.1A CN202110802371A CN113323111B CN 113323111 B CN113323111 B CN 113323111B CN 202110802371 A CN202110802371 A CN 202110802371A CN 113323111 B CN113323111 B CN 113323111B
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- Prior art keywords
- fixed
- collecting box
- sewage
- impurities
- ring
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- 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
- B01D29/03—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 self-supporting
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filtration Of Liquid (AREA)
- Sewage (AREA)
Abstract
The invention provides a municipal tunnel drainage device which comprises a drainage pipe, wherein the drainage pipe is divided into two sections, a sewage collection box is communicated between the two sections, a drain pipe is connected to the bottom of the sewage collection box, a bearing plate is fixed in the sewage collection box, and a bearing plate is arranged on the bearing plate. The invention can effectively solve the problem that the impurities of the strips like the plastic bags are very easy to cause the blockage of the drain pipe in the municipal tunnel, can not cause much influence on the normal flow of sewage, can discharge the impurities, is easy to clean, can ensure certain cleanliness of the surface of the filter screen at any time, and can avoid the influence of the blockage of the filter screen by the impurities on the use of the filter screen, and the drain pipe is not easy to be blocked by the impurities.
Description
Technical Field
The invention relates to a municipal tunnel drainage device.
Background
Municipal tunnels are built underground and used as tunnels for laying underground pipelines of various municipal facilities. Due to the demands of further industrial development and improvement of residential cultural living conditions in cities, there are more and more underground pipelines for municipal facilities, such as tap water, sewage, heating, hot water, gas, communication, power supply, etc. The development of pipeline systems requires a large amount of municipal tunnels to fundamentally solve the problem of the operation level of underground pipeline systems of various municipal facilities, and various impurities exist in municipal sewage, so that the drain pipes in the municipal tunnels are easy to be blocked, wherein the drain pipes in the municipal tunnels are easy to be blocked due to the impurities of strips like plastic bags, the cleaning is inconvenient, and meanwhile, the drain pipes in the municipal tunnels are inconvenient to carry out centralized treatment on the impurities in water, so that the normal use of the drain pipes of the municipal tunnels is not facilitated.
Disclosure of Invention
In order to solve the technical problems, the invention provides the municipal tunnel drainage device which can effectively solve the problem that the drainage pipe in the municipal tunnel is blocked easily due to the impurities of the strips similar to the plastic bags, and has no influence on the normal flow of sewage.
The invention is realized by the following technical scheme.
The invention provides a municipal tunnel drainage device which comprises a drainage pipe, wherein the drainage pipe is divided into two sections, a sewage collection box is communicated between the two sections, a drain pipe is connected to the bottom of the sewage collection box, a bearing plate is fixed in the sewage collection box, and a bearing plate is arranged on the bearing plate.
The outer end of the bearing plate is fixed with a V-shaped rod.
The bearing plate is sleeved with a rectangular shell, and an extension plate is fixed on the lower end face of the rectangular shell.
The bottom of the rectangular shell is rotatably fixed with a connecting rod, the lower end of the connecting rod is rotatably fixed on a clamping ring, the clamping ring is limited on a lantern ring, the lantern ring is matched and sleeved on a screw rod, and the screw rod is vertically arranged in the dirt collecting box.
The upper end of the screw rod is arranged on the motor, and the motor is fixed outside the top of the dirt collecting box through the L-shaped plate.
The bottom of the screw rod is opposite to the center of the sewage pipe, a limiting disc is fixed at the position, below the lantern ring, of the screw rod, a rotating shaft is fixed at the bottom of the limiting disc, and blades are arranged on the rotating shaft.
The side of the lantern ring is fixedly connected with a limiting rod, and the other end of the limiting rod is clamped on the side wall of the dirt collecting box through a clamping block.
The joint position of the drain pipe is fixed with an arc-shaped block through a T-shaped column, a mounting ring is fixed on the arc-shaped block, and a fan is arranged at the center of the mounting ring.
The mounting ring is provided with a fixing frame, the fan is fixed on the fixing frame, the mounting ring is provided with a filter screen, and the scraping blade is arranged on the fixing frame and clings to the filter screen.
The invention has the beneficial effects that the problem that the drain pipe in the municipal tunnel is easily blocked due to the ribbon impurities similar to the plastic bag can be effectively solved, the normal flow of sewage is not affected, the impurities can be discharged, the ribbon impurities similar to the plastic bag are easy to clean, the surface of the filter screen is ensured to be clean at any time, the filter screen is prevented from being blocked by the impurities to affect the use, and the drain pipe is not easy to be blocked due to the impurities.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;
FIG. 3 is a schematic view of a partially cut-away structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 3;
FIG. 5 is a schematic view showing a partial enlarged structure of the arc block in FIG. 3
FIG. 6 is a schematic view of a part of the rotating shaft in FIG. 3 in an enlarged configuration;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6 at C;
fig. 8 is an enlarged schematic view of the structure at D in fig. 6.
The device comprises a 1-blow-down pipe, a 2-valve, a 3-dirt collecting box, a 4-fixed ring, a 5-drain pipe, a 6-H-shaped frame, a 7-mounting hole, an 8-arc-shaped plate, a 9-arc-shaped block, a 10-motor, an 11-L-shaped plate, a 12-T-shaped column, a 13-bolt, a 14-fixed plate, a 15-connecting plate, a 16-nut, a 17-rotating shaft, a 18-blade, a 19-connecting rod, a 20-screw rod, a 21-clamping ring, a 22-lantern ring, a 23-limiting disc, a 24-connecting rod, a 25-extending plate, a 26-rectangular shell, a 27-bearing plate, a 28-V-shaped rod, a 29-bearing disc, a 30-limiting rod, a 31-clamping block, a 32-scraping blade, a 33-fixed frame, a 34-mounting ring, a 35-filtering net, a 36-fan, a 37-connecting column and a 38-T-shaped rod.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the above.
Example 1
The municipal tunnel drainage device shown in fig. 1-8 comprises a drainage pipe 5, wherein the drainage pipe 5 is divided into two sections, a sewage collection box 3 is communicated between the two sections, a sewage drain pipe 1 is connected to the bottom of the sewage collection box 3, a bearing disc 29 is fixed in the sewage collection box 3, and a bearing plate 27 is arranged on the bearing disc 29.
Example 2
Based on embodiment 1, and, the outer end of the bearing plate 27 is fixed with a V-shaped rod 28.
Example 3
Based on embodiment 1, and, a rectangular case 26 is sleeved on a bearing plate 27, and an extension plate 25 is fixed to the lower end surface of the rectangular case 26.
Example 4
Based on embodiment 3, and, the bottom of rectangle shell 26 is rotatable fixed with connecting rod 24, and connecting rod 24 lower extreme rotatable fixed is on snap ring 21, and snap ring 21 is spacing in the lantern ring 22, and lantern ring 22 cooperation suit is in lead screw 20, and lead screw 20 is installed perpendicularly in dirt collection box 3.
Example 5
Based on embodiment 4, and, lead screw 20 upper end is installed in motor 10, and motor 10 is fixed outside the dirt collection box 3 top through L template 11.
Example 6
Based on the embodiment 4, the bottom of the screw rod 20 is opposite to the center of the sewage pipe 1, a limiting disc 23 is also fixed on the screw rod 20 at a position below the lantern ring 22, a rotating shaft 17 is fixed on the bottom of the limiting disc 23, and the rotating shaft 17 is provided with blades 18.
Example 7
Based on embodiment 4, and, the gag lever post 30 is fixed in the side of the lantern ring 22, and the other end of the gag lever post 30 is clamped on the side wall of the dirt collecting box 3 through the clamping block 31.
Example 8
Based on embodiment 1, and the joint position of the drain pipe 5 is fixed with an arc block 9 through a T-shaped column 12, a mounting ring 34 is fixed on the arc block 9, and a fan 36 is installed at the center of the mounting ring 34.
Example 9
Based on embodiment 8, a fixing frame 33 is arranged on a mounting ring 34, a fan 36 is fixed on the fixing frame 33, a filter screen 35 is arranged on the mounting ring 34, and a scraping blade 32 is arranged on the fixing frame 33 and is closely attached to the filter screen 35.
Example 10
Based on the above-mentioned embodiment, specifically, including two drain pipes 5, fixed intercommunication has the dirty case 3 of collection between two drain pipes 5, and all be equipped with the installation component on the outer wall of two drain pipes 5, the inside of the dirty case 3 of collection rotates through drive assembly and is provided with lead screw 20, and the lower extreme of the dirty case 3 of collection is equipped with the blowdown subassembly, be equipped with respectively on the outer wall of lead screw 20 and collude the bag subassembly, take off bag subassembly and stirring subassembly, and the lower extreme fixedly connected with limiting plate 23 of lead screw 20, the laminating is provided with collar 34 on the inner wall of one of them drain pipe 5 is close to the position of dirty case 3 of collection, be equipped with fixed subassembly between collar 34 and the drain pipe 5, the inner wall fixedly connected with filter screen 35 of collar 34, be equipped with the clearance subassembly between one side surface of the dirty case 3 of filter screen 35 and the drain pipe 5.
The installation component includes solid fixed ring 4, gu fixed ring 4 fixed cover establishes on the outer wall of drain pipe 5, and gu fixed ring 4's outer wall fixedly connected with H type frame 6,H type frame 6's upper end fixedly connected with arc 8, runs through on the upper end outer wall of arc 8 and has offered a plurality of mounting holes 7, through setting up solid fixed ring 4, H type frame 6, arc 8 and mounting hole 7, be convenient for drain pipe 5 install on the arc top surface in municipal tunnel.
The driving assembly comprises an L-shaped plate 11, the L-shaped plate 11 is fixedly arranged at the upper end of the dirt collecting box 3, a motor 10 is fixedly inserted into the horizontal end of the L-shaped plate 11, the motor 10 is positioned at the center of the upper end of the dirt collecting box 3, the output shaft end of the motor 10 movably penetrates through the outer wall of the upper end of the dirt collecting box 3, the output shaft end of the motor 10 is fixedly connected with the upper end of the screw rod 20, the motor 10 is connected with an external power supply through the L-shaped plate 11, and accordingly the motor 10 can drive the screw rod 20 to rotate.
The blowdown subassembly includes blow off pipe 1, and blow off pipe 1 fixed intercommunication is at the lower extreme of collection dirty case 3, and installs valve 2 on the blow off pipe 1, through setting up blow off pipe 1 and valve 2, opens valve 2 and can follow blow off pipe 1 with the impurity of collection dirty incasement accumulation.
The bag hooking component comprises a bearing disc 29, the bearing disc 29 is attached to the outer wall of the screw rod 20, connecting rods 19 are fixedly connected between two sides of the upper end of the bearing disc 29 and the inner top end of the dirt collecting box 3, bearing plates 27 are obliquely arranged on the outer wall of the bearing disc 29, one ends, far away from the center of the bearing disc 29, of the bearing plates 27 are fixedly connected with V-shaped rods 28, the bearing plates 27 and the V-shaped rods 28 are obliquely arranged, and the belt impurities in sewage are conveniently hooked through the bearing disc 29, the connecting rods 19, the bearing plates 27 and the V-shaped rods 28, so that the belt impurities are located in the dirt collecting box 3.
The bag removing assembly comprises a lantern ring 22 which is sleeved on the edge of the lower part of the outer wall of the screw rod 20 in a threaded manner, a limiting assembly is arranged between the lantern ring 22 and the dirt collecting box 3, a T-shaped rod 38 is fixedly arranged at the upper end of the lantern ring 22, the T-shaped rod 38 is axially and slidably inserted on the outer wall of the lower end of the clamping ring 21, the clamping ring 21 is sleeved on the outer wall of the screw rod 20, the clamping ring 21 is located below the bearing disc 29, a plurality of connecting rods 24 which are obliquely arranged are rotationally connected on the outer wall of the clamping ring 21, one ends of the plurality of connecting rods 24, far away from the clamping ring 21, are rotationally connected with rectangular shells 26, the plurality of rectangular shells 26 are respectively and slidably sleeved on the outer wall of the plurality of bearing plates 27, the lower ends of the plurality of rectangular shells 26 are respectively and are respectively extended with an extending plate 25 which is obliquely arranged, the inner diameter of the rectangular shells 26 is larger than the width of the V-shaped rod 28, and the hooked ribbon impurities are conveniently pushed to the bottom of the dirt collecting box 3 through the arrangement of the lantern ring 22, the limiting assembly, the clamping ring 21, the rectangular shells 26 and the extending plates 25.
The limiting assembly comprises a limiting rod 30, the limiting rod 30 is fixedly connected to the outer wall of the collar 22, two clamping blocks 31 are fixedly connected to the outer wall of the limiting rod 30 at the edge of one side, far away from the collar 22, of the collar, the limiting rod 30 and the two clamping blocks 31 are jointly and vertically slid to be inserted on the inner wall of the dirt collecting box 3, the limiting rod 30 and the clamping blocks 31 are arranged to vertically slide in the inner wall of the dirt collecting box 3, axial movement of the collar 22 is limited, and when the screw rod 20 rotates, the collar 22 sleeved on the screw rod 20 in a threaded manner can vertically move on the outer wall of the screw rod 20.
The stirring assembly comprises a rotating shaft 17, the rotating shaft 17 is fixedly connected to the lower end of a limiting disc 23, a plurality of groups of blades 18 are fixedly connected to the outer wall of the rotating shaft 17 in a linear array mode, impurities accumulated in the dirt collecting box 3 are conveniently stirred through the arrangement of the rotating shaft 17 and the blades 18, and the impurities accumulated in the dirt collecting box 3 are easy to discharge.
The fixed subassembly includes arc piece 9 of cartridge on drain pipe 5 outer wall, the lower extreme and the outer wall fixed connection of collar 34 of arc piece 9, and all extend on the outer wall both sides edge of arc piece 9 have fixed plate 14, all run through on the inner wall of two fixed plates 14 and screw bolt 13, two bolts 13 run through respectively and screw on the inner wall of two connecting plates 15, and the equal screw thread in tip of two bolts 13 has cup jointed nut 16, two connecting plates 15 are fixed connection respectively on the outer wall both sides of drain pipe 5, the outer wall top of arc piece 9 extends there is T type post 12, through setting up arc piece 9, fixed plate 14, bolt 13, connecting plate 15, nut 16 and T type post 12, roll out nut 16 and take out bolt 13, upwards mention T type post 12 can take arc piece 9 together with collar 34, then can clean or change filter screen 35 in the collar 34.
The cleaning component comprises a fixing frame 33, the fixing frame 33 is located between the dirt collecting box 3 and the filter screen 35, a connecting column 37 is installed in a penetrating and rotating mode at the center of the inner wall of the fixing frame 33, one end of the connecting column 37, corresponding to the dirt collecting box 3, is fixedly connected with a fan 36, a plurality of scraping blades 32 are fixedly connected to the edge of one side, far away from the fan 36, of the outer wall of the connecting column 37, the plurality of scraping blades 32 are attached to the outer surface of the filter screen 35, and through the arrangement of the fixing frame 33, the connecting column 37, the fan 36 and the scraping blades 32, fan blades on the fan 36 can rotate under the flowing of sewage, and the scraping blades 32 can be driven to scrape the surface of the filter screen 35.
The main working principle is as follows: when urban sewage passes through the drain pipe 5, the urban sewage enters the sewage collecting box 3, most of the ribbon impurities in the urban sewage can be hooked by the V-shaped rods 28 obliquely arranged on the bearing plates 27, most of the ribbon impurities can be stored in the space inside the sewage collecting box 3, the normal flow of the sewage is not affected by the ribbon impurities, the driving assembly can drive the screw rod 20 to rotate, the lantern ring 22 which is in threaded connection with the outer wall of the screw rod 20 can move upwards under the axial limit of the limiting assembly, the lantern ring 22 can drive the clamping ring 21 to move upwards, the clamping ring 21 can drive the plurality of connecting rods 24 which are connected with the outer wall in a rotating way and are obliquely arranged to rotate clockwise at the same time, the rectangular shells 26 which are connected with the plurality of connecting rods 24 in a rotating way and are respectively sleeved on the plurality of bearing plates 27 can slide along the surfaces of the bearing plates 27, and because the inner diameter of the rectangular shells 26 is larger than the width of the V-shaped rods 28, so when the rectangular shell 26 moves to the edge of the V-shaped rod 28, the ribbon impurities hooked by the V-shaped rod 28 can be pushed away, the ribbon impurities can slide along the extending plates 25 which are obliquely arranged at two sides of the inside of the dirt collecting box 3 and can fall to the bottom of the dirt collecting box 3, the ribbon impurities are prevented from being hooked by the blades 18 which are close to the center of the dirt collecting box 3, the rotating shaft 17 and the blades 18 can rotate along with the limit disc 23 under the screw rod 20, the accumulated impurities can be stirred to be conveniently discharged out of the dirt collecting box 3, the impurities can be discharged through the dirt discharging assembly, the filter screen 35 can filter the impurities in sewage to prevent the drain pipe 5 from being blocked, the fan 36 can be driven to rotate when the sewage passes through the fan 36 because the sewage has a certain flow rate, the fan 36 can drive the connecting column 37 to rotate on the inner wall of the fixing frame 33, the scraping blade 32 on the connecting column 37 can continuously scrape the surface of the filter screen 35, the impurity adhered to the surface of the filter screen 35 is scraped, and the impurity can be precipitated in the dirt collecting box 3 after being scraped, so that the surface of the filter screen 35 is guaranteed to be clean to a certain degree, the filter screen 35 is prevented from being blocked by the impurity to be used, and the filter screen 35 can be taken out through the fixing component.
Thus, the above scheme:
1. through setting up loading tray, connecting rod, loading board and V type pole, when urban sewage passes through the drain pipe, can get into the dirty incasement of collection, loading tray and connecting rod can be fixed loading board and V type pole at the dirty incasement of collection, and the ribbon impurity in the urban sewage can be hooked by the V type pole that the slope set up on the loading board, collects the ribbon impurity of most in the dirty incasement of collection, and the inside space of dirty incasement of collection can supply the ribbon impurity of most to store, can not produce how much influence to the normal flow of sewage, solves the ribbon impurity of similar plastic bag and very easily leads to the problem that the drain pipe in the municipal tunnel takes place to block up.
2. Through setting up drive assembly, blowdown subassembly, the lantern ring, spacing subassembly, the snap ring, the connecting rod, the rectangular shell, the extension board, pivot and blade, drive assembly can order about the lead screw to rotate, under spacing subassembly's axial spacing, the lantern ring of screw thread socket joint on the lead screw outer wall can upwards move, the lantern ring then can drive the snap ring and upwards move, the snap ring then can order about its outer wall to rotate and connect and be the many connecting rods of slope setting simultaneously clockwise rotation, then rotate with many connecting rods and establish the rectangular shell on the polylith loading plate respectively and then can slide along the loading board surface, because of the internal diameter of rectangular shell is greater than the width of V type pole, so the rectangular shell can push away the ribbon impurity that is hooked by V type pole when removing to V type pole edge, the ribbon impurity can slide along the extension board that the slope set up in the inside both sides of collection dirt case and can fall the bottom of collection dirt case, avoided the ribbon impurity to be hooked by the blade that is close to collection dirt case center department, the pivot can rotate along with the spacing dish under the lead screw, can be convenient for discharge the collection dirt case outside the easy to the collection of the impurity that makes it be convenient for to discharge the collection dirt case, can clear up the ribbon impurity through the similar impurity that can clear up the plastic bag.
3. Through setting up collar, fixed subassembly, the filter screen, the mount, the spliced pole, fan and doctor-bar, at first the filter screen can filter the impurity in the sewage, prevent that the drain pipe from blockking up, because of sewage has certain flow rate, so can drive the fan and rotate when the sewage passes through the fan, the fan can drive the spliced pole and rotate on the mount inner wall, the doctor-bar on the spliced pole can constantly scrape the filter screen surface and sweep, strike off the impurity of adhesion on the filter screen surface, can pass through the sediment inside the dirt collection case after the impurity is scraped, make the filter screen surface guarantee certain cleanness constantly, avoid the filter screen to be blocked up by impurity and influence the use, can take out the filter screen through fixed subassembly, the drain pipe is difficult for causing the jam because of impurity.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802371.1A CN113323111B (en) | 2021-07-15 | 2021-07-15 | A municipal tunnel drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802371.1A CN113323111B (en) | 2021-07-15 | 2021-07-15 | A municipal tunnel drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113323111A CN113323111A (en) | 2021-08-31 |
| CN113323111B true CN113323111B (en) | 2025-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110802371.1A Active CN113323111B (en) | 2021-07-15 | 2021-07-15 | A municipal tunnel drainage device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113323111B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060083B (en) * | 2021-10-18 | 2023-06-27 | 广西大学 | Tunnel waterproof and drainage system |
| CN115680765B (en) * | 2022-12-30 | 2023-03-28 | 山西诚达公路勘察设计有限公司 | Highway tunnel construction is with preventing stifled type ponding drainage device |
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| CN211411205U (en) * | 2019-10-30 | 2020-09-04 | 方旖旎 | Chemical sewage treatment purifier |
| CN211816795U (en) * | 2020-04-03 | 2020-10-30 | 中铁七局集团第五工程有限公司 | Municipal administration drainage sewage pipes |
| CN213653687U (en) * | 2020-09-11 | 2021-07-09 | 乔玲燕 | Drainage device for municipal works |
| CN215211424U (en) * | 2021-07-15 | 2021-12-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Municipal administration tunnel drainage device |
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| EP2933389B1 (en) * | 2014-04-15 | 2016-08-24 | Hsi-Min Cheng | Drain strainer |
| US11365538B2 (en) * | 2019-03-01 | 2022-06-21 | Unetlanvhi Holdings Llc | Cesspool and liner |
| CN211435265U (en) * | 2019-10-11 | 2020-09-08 | 宁夏盐池巨晖商贸有限公司 | Garbage cleaning device for sewage treatment |
| CN211735723U (en) * | 2020-03-26 | 2020-10-23 | 安徽菲源水工业设备有限公司 | Leading filter equipment of prefabricated pump station of integration |
| CN111705885B (en) * | 2020-06-23 | 2021-03-02 | 深圳市日昇生态科技股份有限公司 | Controllable slow flow sewage interception circulating structure based on sponge city construction |
| CN213418035U (en) * | 2020-09-02 | 2021-06-11 | 平斌 | Building water supply and drainage anti-clogging device |
| CN112173482A (en) * | 2020-11-16 | 2021-01-05 | 三门踱哒环保设备有限公司 | Automatic kitchen garbage treatment device |
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|---|---|---|---|---|
| CN211411205U (en) * | 2019-10-30 | 2020-09-04 | 方旖旎 | Chemical sewage treatment purifier |
| CN211816795U (en) * | 2020-04-03 | 2020-10-30 | 中铁七局集团第五工程有限公司 | Municipal administration drainage sewage pipes |
| CN213653687U (en) * | 2020-09-11 | 2021-07-09 | 乔玲燕 | Drainage device for municipal works |
| CN215211424U (en) * | 2021-07-15 | 2021-12-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Municipal administration tunnel drainage device |
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| CN113323111A (en) | 2021-08-31 |
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