CN113585434A - Town road rainwater filtration system - Google Patents
Town road rainwater filtration system Download PDFInfo
- Publication number
- CN113585434A CN113585434A CN202110859825.9A CN202110859825A CN113585434A CN 113585434 A CN113585434 A CN 113585434A CN 202110859825 A CN202110859825 A CN 202110859825A CN 113585434 A CN113585434 A CN 113585434A
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- Prior art keywords
- filter screen
- well
- drainage
- filter residue
- filter
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Sewage (AREA)
Abstract
The application relates to a municipal road rainwater filtering system which comprises a drainage ditch groove, a drainage well, a grating cover plate, a first filter screen and a second filter screen; one ends of the first filter screen and the second filter screen are both connected with the drainage well, and the other ends of the first filter screen and the second filter screen are both arranged at intervals with the drainage well and form a discharging area; a filter residue channel is arranged at the bottom of the drainage well, a spiral conveyor is arranged in the filter residue channel, a filter residue collecting well is arranged outside the drainage well, and the filter residue channel is communicated with the filter residue collecting well; a drainage outlet is formed in the wall of the drainage well, a guide plate is arranged below the second filter screen and connected with the drainage outlet to form a flow channel; the flow channel is connected with a water filtering pipeline, the water filtering pipeline is provided with a plurality of precipitation chutes, and the precipitation chutes are arranged downwards in an inclined mode. This application has and carries out prefilter and layering to the impurity of town road rainwater and filters, prevents effectively that drainage pipe from blockking up, improves the effect of road surface drainage effect.
Description
Technical Field
The application relates to town road technical field especially relates to a town road rainwater filtration system.
Background
During rainfall, most of the urban road surface drainage is collected through rainwater openings arranged on two sides of the road and flows into underground drainage pipelines and other facilities, and then the rainwater flows into a river channel, so that the purpose of urban drainage is achieved. The rainwater grate that the inlet for stom water top set up can't filter debris such as leaf, grit, plastics convenient bag, can accumulate more debris in the slow inlet for stom water, especially when the rainfall, in these debris directly get into the inlet for stom water back directly flow into the inspection shaft pipeline through the rainwater branch pipe, the time can cause pipeline or inspection shaft to block up for a long time even, influences the road surface drainage.
Disclosure of Invention
The application provides a town road rainwater filtration system has and carries out prefilter and layering to the impurity of town road rainwater and filters, prevents effectively that drainage pipe from blockking up, improves the effect of road surface drainage effect.
The application provides a town road rainwater filtration system adopts following technical scheme:
a municipal road rainwater filtering system comprises a drainage ditch, a drainage well connected with the drainage ditch and a grid cover plate covering the drainage ditch and the drainage well, wherein a first filter screen and a second filter screen are obliquely arranged in the drainage well, the first filter screen is arranged above the second filter screen, and the filter screen caliber of the first filter screen is larger than that of the second filter screen; one ends of the first filter screen and the second filter screen are both connected with the wall of the drainage well on one side, and the other ends of the first filter screen and the second filter screen are both arranged at intervals with the wall of the drainage well on the other side to form a discharging area; a filter residue channel is arranged at the bottom of the drainage well, a spiral conveyor is arranged in the filter residue channel, a filter residue collecting well is arranged at one side outside the drainage well, and the filter residue channel is communicated with the filter residue collecting well; a drainage outlet is formed in the wall of the drainage well, a guide plate is arranged below the second filter screen, and the guide plate is connected with the drainage outlet to form a flow channel; the runner is connected with the water filtering pipeline who is linked together with municipal pipeline water filtering pipeline below has set gradually a plurality of sediment chutes along its length direction, just sediment chute all arranges down towards the slope of drainage shaft direction.
Preferably, the slag discharging port is formed in the bottom of the precipitation chute, the sealing plate used for sealing the slag discharging port is arranged at the slag discharging port, one end of the sealing plate is hinged to the water filtering pipeline, the driving cylinder is mounted on the outer wall of the water filtering pipeline, a hinged shaft is hinged to a piston rod of the driving cylinder, and one end, connected with the driving cylinder, of the hinged shaft is hinged to the other end of the sealing plate.
Preferably, the notches of the settling chutes are provided with blocking plates which are uniformly distributed on one side far away from the drainage well.
Preferably, a sewage pipeline is arranged below the slag discharge port and connected with the filter residue collecting well.
Preferably, an inclined plate is installed on the lower end face of one side of the first filter screen facing the discharging area, and the inclined plate is obliquely arranged towards the direction of the filtered water discharging port.
Preferably, a water filtering diaphragm plate is obliquely arranged in the filter residue collecting well, and the filter residue collecting well is divided into a filter residue area and a water filtering area by the water filtering diaphragm plate; the filter residue is collected the well and is located the wall of a well in filter residue district and has seted up the filter residue and unload the mouth be provided with the flashboard on the filter residue unloads the mouth install the hydro-cylinder of unloading on the filter residue is collected the well, the piston rod of the hydro-cylinder of unloading with the flashboard is connected, is used for the drive the flashboard is sealed/is opened the filter residue unloads the mouth, the drainage district is linked together with municipal pipeline.
Preferably, a filter residue hopper is arranged below the filter residue unloading opening, and the filter residue hopper is connected with a lifting machine.
Preferably, one end of each of the first filter screen and the second filter screen is connected to a well wall on one side of the drainage well through a spring, and the other end of each of the first filter screen and the second filter screen is hinged to a well wall on the other side of the drainage well; the drainage well is provided with a rotating motor, an output shaft of the rotating motor is connected with a cam, and the rotating motor drives the cam to indirectly abut against the first filter screen and the second filter screen.
In summary, the present application includes at least one of the following beneficial technical effects:
1. municipal road rainwater sequentially passes through the first filter screen and the second filter screen to respectively filter impurities with different sizes, and filtered filter residues fall from the unloading area to a filter residue channel below the drainage well under the action of gravity, and are conveyed to a filter residue collecting well through a spiral conveyor in the filter residue channel to be filtered again; the municipal road rainwater subjected to primary filtration is guided into the water filtering pipeline through the guide plate, a plurality of precipitation chutes are sequentially arranged below the water filtering pipeline along the length direction of the water filtering pipeline, the precipitation chutes are all obliquely and downwards arranged towards the direction of the drainage well, and when the municipal road rainwater sequentially passes through the plurality of precipitation chutes in the water filtering pipeline, impurities larger than the water density drop into the precipitation chutes through precipitation, so that the municipal road rainwater primary filtration and layered filtration can be performed on the impurities in the municipal road rainwater, the drainage pipeline is effectively prevented from being blocked, and the pavement drainage effect is improved;
2. only liquid penetrates through the water filtering diaphragm plate and is gathered into a water filtering area under the action of the water filtering diaphragm plate in the filter residue collecting well; the filter residue drives the sealing plate to open the filter residue discharge opening through the discharge oil cylinder so that the filter residue is discharged into the filter residue hopper to be cleaned;
3. the sealing plate is driven to rotate at the slag discharge port by the driving rod to discharge the precipitated impurities in the precipitation chute to the water filtering pipeline, and the impurities are sent to the water filtering diaphragm plate again for filtering; the filter residue in the filter residue hopper is removed by a lifter, so that the aim of circular filtration and unloading is fulfilled;
4. the cam indirectly acts on one side of the first filter screen or the second filter screen, on which the spring is arranged, so that the first filter screen or the second filter screen vibrates in the process of stress and recovery of the spring, and the effect of removing and dropping filter residues on the first filter screen or the second filter screen is improved.
Drawings
FIG. 1 is a schematic illustration of the construction of a town road stormwater filtration system;
FIG. 2 is a schematic view of a partial structure at a drain well in a town road stormwater filtration system;
FIG. 3 is a schematic view of a partial structure at a water filter pipe in a municipal road rainwater filtration system.
Description of reference numerals: 1. a drainage well; 11. a drainage outlet; 2. a grid cover plate; 3. filter residue collecting well; 31. a water filtration diaphragm plate; 32. a residue filtering area; 33. a water filtration zone; 34. discharging filter residue; 35. a shutter plate; 36. a discharging oil cylinder; 37. a filter residue hopper; 38. a hoist; 4. a first filter screen; 41. a spring; 42. a sloping plate; 43. a rotating electric machine; 44. a cam; 45. a discharge area; 5. a second filter screen; 6. a residue filtering channel; 61. a screw conveyor; 7. a baffle; 71. a flow channel; 8. a water filtering pipeline; 81. a settling chute; 82. a blocking plate; 83. a slag discharge port; 84. a sealing plate; 85. a drive cylinder; 86. hinging a shaft; 9. a sewage pipeline.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses town road rainwater filtration system.
Referring to fig. 1, town road rainwater filtration system drainage ditch groove, with drainage ditch groove connection drain well 1, cover locate drainage ditch groove and the grid apron 2 of draining on 1 well and set up in the filter residue collecting well 3 of 1 outer side of drain well.
Referring to fig. 1, a first filter screen 4 and a second filter screen 5 are obliquely arranged in a drainage well 1, the first filter screen 4 is arranged above the second filter screen 5, and the filter screen caliber of the first filter screen 4 is larger than that of the second filter screen 5.
Referring to fig. 1 and 2, one ends of the first filter 4 and the second filter 5 are connected to a side wall of the drainage well 1 through a spring 41; the other ends of the first filter screen 4 and the second filter screen 5 are hinged on the other side well wall of the drainage well 1, and are arranged at intervals with the well wall of the drainage well 1 at the side to form a discharging area 45; first filter screen 4 and second filter screen 5 carry out prefiltering to town road rainwater, and its filter residue after filtering drops to setting up in the filter residue passageway 6 department in the bottom of water drainage well 1 shaft from unloading district 45.
Referring to fig. 1 and 2, an inclined plate 42 is mounted on a lower end surface of the first filter screen 4 on the side facing the discharge area 45, and the inclined plate 42 is arranged obliquely toward the filtered water discharge port 11. By the blocking effect of the inclined plate 42, the rainwater along the first filter screen 4 is blocked and guided to the second filter screen 5 for secondary filtration.
Referring to fig. 1 and 2, in order to improve the drainage stability of the first filter screen 4 and the second filter screen 5 during the filtration, a rotating motor 43 is provided on the drainage well 1, an output shaft of the rotating motor 43 is connected with a cam 44, and the rotating motor 43 drives the cam 44 to indirectly abut against the first filter screen 4 and the second filter screen 5. Indirectly act on one side of the first filter screen 4 or the second filter screen 5 provided with the spring 41 through the cam 44, the spring 41 is stressed and restored to enable the first filter screen 4 or the second filter screen 5 to vibrate, and the removal and falling effects of filter residues on the first filter screen 4 or the second filter screen 5 are improved.
Referring to fig. 1 and 2, a spiral conveyor 61 is arranged in the residue channel 6, and the residue channel 6 is communicated with the residue collection well 3; a water filtering diaphragm plate 31 is obliquely arranged in the filter residue collecting well 3, the filter residue collecting well 3 is divided into a filter residue area 32 and a water filtering area 33 by the water filtering diaphragm plate 31, and the water filtering area 33 is communicated with a municipal pipeline; a filter residue discharging opening 34 is formed in the wall of the filter residue collecting well 3, which is located in the filter residue area 32, a gate plate 35 is arranged on the filter residue discharging opening 34, a discharging oil cylinder 36 is mounted on the filter residue collecting well 3, and a piston rod of the discharging oil cylinder 36 is connected with the gate plate 35 and used for driving the gate plate 35 to seal/open the filter residue discharging opening 34.
Referring to fig. 1 and 2, a filter residue hopper 37 is arranged below the filter residue discharge port 34, and the filter residue hopper 37 is connected with a lifter 38; the gate 35 is driven by the discharging oil cylinder 36 to open the filter residue discharging opening 34, the filter residue on the water filtering diaphragm plate 31 falls into the filter residue bucket 37 from the filter residue discharging opening 34, and then the filter residue in the filter residue bucket 37 is removed by the lifter 38, so that the purpose of circular filtering and discharging is achieved.
Referring to fig. 1 and 3, a filtered water discharge port 11 is formed in the wall of the drainage well 1, a guide plate 7 is installed below the second filter screen 5, and the guide plate 7 is connected with the filtered water discharge port 11 to form a flow channel 71; the flow passage 71 is connected with a strainer pipe 8 communicated with a municipal pipeline, a plurality of sedimentation chutes 81 are sequentially arranged below the strainer pipe 8 along the length direction thereof, and the sedimentation chutes 81 are all arranged obliquely downwards towards the direction of the drainage well 1.
Referring to fig. 1 and 3, the stopping plates 82 are arranged at the notches of the settling chutes 81, and the stopping plates 82 are uniformly arranged at one side far away from the drainage well 1. When the municipal road rainwater of prefiltration passes through a plurality of sedimentation chutes 81 in proper order in water strainer 8, the impurity that is greater than the water density drops to in the sedimentation chute 81 through deposiing, simultaneously, under the effect of barrier 82, reduces the effect that deposits are along with staying once more along with the rainwater in the sedimentation chute 81.
Referring to fig. 1 and 3, slag outlets 83 are formed at the bottoms of the settling chutes 81, and sealing plates 84 for sealing the slag outlets 83 are arranged at the slag outlets 83; one end of each sealing plate 84 is hinged to the water filtering pipeline 8, a driving cylinder 85 is installed on the outer wall of the water filtering pipeline 8, and the driving cylinder 85 is an air cylinder or a hydraulic cylinder; the piston rod of the driving cylinder 85 is hinged with a hinge shaft 86, and one end of the hinge shaft 86, which is far away from the connection of the driving cylinder 85, is hinged with the other end of the sealing plate 84. Through actuating lever drive articulated shaft 86 with closing plate 84 rotate in row cinder notch 83 department, make the sediment impurity in the sediment chute 81 discharge in filtered water pipeline 8, realize the filterable effect of town road rainwater layering.
Referring to fig. 1 and 3, a sewage pipeline 9 for receiving impurities in the precipitation chute 81 is arranged below the slag discharge port 83, the sewage pipeline 9 is connected with the filter residue collection well 3, and the impurities are conveyed to the water filtering diaphragm plate 31 for filtering and discharging.
The implementation principle is as follows: firstly, gathering municipal road rainwater through a drainage ditch and then discharging the gathered municipal road rainwater into a drainage well 1, and primarily filtering the road rainwater through a grating cover plate 2; on the one hand, municipal road rainwater loops through first filter screen 4 and second filter screen 5 and filters the impurity of different size respectively, and the filter residue after filtering drops to in the filter residue passageway 6 of drainage shaft 1 below from the district 45 of unloading, and the screw conveyer 61 in the rethread filter residue passageway 6 conveys and filters once more in the filter residue collection well 3. The liquid only penetrates through the water filtering diaphragm plate 31 and is gathered into the water filtering area 33 under the action of the water filtering diaphragm plate 31 in the filter residue collecting well 3; the filter residue drives the sealing plate 84 through the discharging oil cylinder 36 to open the filter residue discharging opening 34, so that the filter residue is discharged into the filter residue hopper 37 for cleaning.
On the other hand, municipal road rainwater primarily filtered by the first filter screen 4 and the second filter screen 5 is guided into the water filtering pipeline 8 through the guide plate 7, a plurality of precipitation chutes 81 are sequentially arranged below the water filtering pipeline 8 along the length direction of the water filtering pipeline, the precipitation chutes 81 are all arranged downwards in an inclined manner towards the direction of the drainage well 1, when the municipal road rainwater sequentially passes through the precipitation chutes 81 in the water filtering pipeline 8, impurities larger than the water density drop into the precipitation chutes 81 through precipitation, and under the action of the barrier plate 82, the effect that precipitates in the precipitation chutes 81 are left along with the rainwater again is reduced, so that the effect of layered filtration is achieved; simultaneously, rotate closing plate 84 in row's cinder notch 83 department through actuating lever drive articulated shaft 86, make the sediment impurity in the sediment chute 81 discharge in drainage pipeline 8 to send its impurity to once more and filter on straining water diaphragm plate 31, have and carry out prefilter and layered filtration to the impurity of town road rainwater, effectively prevent that drainage pipe from blockking up, improve the effect of road surface drainage effect.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a town road rainwater filtration system, includes drainage ditch groove, drainage well (1) and the grid apron (2) of lid on drainage ditch groove and drainage well (1) are located to drainage ditch groove and drainage ditch groove connection, its characterized in that: a first filter screen (4) and a second filter screen (5) are obliquely arranged in the drainage well (1), the first filter screen (4) is arranged above the second filter screen (5), and the filter screen caliber of the first filter screen (4) is larger than that of the second filter screen (5); one ends of the first filter screen (4) and the second filter screen (5) are connected with a well wall on one side of the drainage well (1), and the other ends of the first filter screen (4) and the second filter screen (5) are arranged at intervals with the well wall on the other side of the drainage well (1) to form a discharging area (45); a filter residue channel (6) is arranged at the bottom of the drainage well (1), a spiral conveyor (61) is arranged in the filter residue channel (6), a filter residue collecting well (3) is arranged at one side outside the drainage well (1), and the filter residue channel (6) is communicated with the filter residue collecting well (3); a filtered water discharge port (11) is formed in the wall of the drainage well (1), a guide plate (7) is installed below the second filter screen (5), and the guide plate (7) is connected with the filtered water discharge port (11) to form a flow channel (71); runner (71) are connected with water filtering pipeline (8) that are linked together with the municipal administration pipeline water filtering pipeline (8) below is prolonged its length direction and is provided with a plurality of sediment chutes (81) in proper order, just sediment chute (81) all incline towards well (1) direction and arrange down.
2. The municipal road rainwater filtration system of claim 1, wherein: sediment outlet (83) have all been seted up to the tank bottom of sedimentation chute (81) sediment outlet (83) department all is provided with closing plate (84) that are used for sealed sediment outlet (83), the one end of closing plate (84) all articulates in on drainage pipeline (8) install driving cylinder (85) on drainage pipeline (8) the piston rod of driving cylinder (85) all articulates there is articulated shaft (86), articulated shaft (86) keep away from the one end that driving cylinder (85) are connected articulate in the other end of closing plate (84).
3. The municipal road rainwater filtration system according to claim 1 or 2, wherein: the notch of the settling chute (81) is provided with a blocking plate (82), and the blocking plates (82) are uniformly distributed on one side far away from the drainage well (1).
4. The municipal road rainwater filtration system of claim 2, wherein: a sewage discharge pipeline (9) is arranged below the slag discharge port (83), and the sewage discharge pipeline (9) is connected with the filter residue collecting well (3).
5. The municipal road rainwater filtration system of claim 1, wherein: an inclined plate (42) is arranged on the lower end face of one side, facing the discharging area (45), of the first filter screen (4), and the inclined plate (42) is obliquely arranged towards the direction of a filtered water discharging opening (11).
6. The municipal road rainwater filtration system of claim 1, wherein: a water filtering diaphragm plate (31) is obliquely arranged in the filter residue collecting well (3), and the filter residue collecting well (3) is divided into a filter residue area (32) and a water filtering area (33) by the water filtering diaphragm plate (31); the filter residue is collected well (3) and is located the wall of a well of filter residue district (32) and has been seted up the filter residue and has unloaded mouthful (34) be provided with flashboard (35) on the filter residue unloads mouthful (34) install on the filter residue is collected well (3) and unload hydro-cylinder (36), the piston rod of unloading hydro-cylinder (36) with flashboard (35) are connected, are used for the drive flashboard (35) are sealed/are opened mouth (34) are unloaded to the filter residue, water filtering district (33) are linked together with municipal pipeline.
7. The municipal road rainwater filtration system of claim 6, wherein: a filter residue hopper (37) is arranged below the filter residue discharge opening (34), and the filter residue hopper (37) is connected with a hoisting machine (38).
8. The municipal road rainwater filtration system of claim 1, wherein: one ends of the first filter screen (4) and the second filter screen (5) are connected to a well wall on one side of the drainage well (1) through a spring (41), and the other ends of the first filter screen and the second filter screen are hinged to a well wall on the other side of the drainage well (1); be provided with rotating electrical machines (43) on drainage shaft (1), the output shaft of rotating electrical machines (43) has cam (44), rotating electrical machines (43) drive cam (44) indirectness contradict in on first filter screen (4) and second filter screen (5).
Priority Applications (1)
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CN202110859825.9A CN113585434B (en) | 2021-07-28 | 2021-07-28 | Town road rainwater filtration system |
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CN202110859825.9A CN113585434B (en) | 2021-07-28 | 2021-07-28 | Town road rainwater filtration system |
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CN113585434A true CN113585434A (en) | 2021-11-02 |
CN113585434B CN113585434B (en) | 2022-11-22 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117027130A (en) * | 2023-06-15 | 2023-11-10 | 扬州德道市政设计院有限公司 | Municipal works rain sewage distribution system |
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JP2002161577A (en) * | 2000-11-27 | 2002-06-04 | Sanyuu:Kk | Residual collecting device in grease interceptor |
CN111608252A (en) * | 2020-06-09 | 2020-09-01 | 重庆工程职业技术学院 | Town road drainage structures |
CN111794344A (en) * | 2020-07-17 | 2020-10-20 | 广东珠江建筑工程设计有限公司 | Town road drainage pipe network |
CN212067953U (en) * | 2020-03-27 | 2020-12-04 | 吉林莱德化学科技有限公司 | Filter equipment for chemical production |
-
2021
- 2021-07-28 CN CN202110859825.9A patent/CN113585434B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002161577A (en) * | 2000-11-27 | 2002-06-04 | Sanyuu:Kk | Residual collecting device in grease interceptor |
CN212067953U (en) * | 2020-03-27 | 2020-12-04 | 吉林莱德化学科技有限公司 | Filter equipment for chemical production |
CN111608252A (en) * | 2020-06-09 | 2020-09-01 | 重庆工程职业技术学院 | Town road drainage structures |
CN111794344A (en) * | 2020-07-17 | 2020-10-20 | 广东珠江建筑工程设计有限公司 | Town road drainage pipe network |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117027130A (en) * | 2023-06-15 | 2023-11-10 | 扬州德道市政设计院有限公司 | Municipal works rain sewage distribution system |
CN117027130B (en) * | 2023-06-15 | 2024-05-14 | 扬州德道市政设计院有限公司 | Municipal works rain sewage distribution system |
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