CN110700392A - Drainage weir type collecting net and using method thereof - Google Patents
Drainage weir type collecting net and using method thereof Download PDFInfo
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- CN110700392A CN110700392A CN201910997597.4A CN201910997597A CN110700392A CN 110700392 A CN110700392 A CN 110700392A CN 201910997597 A CN201910997597 A CN 201910997597A CN 110700392 A CN110700392 A CN 110700392A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 28
- 239000010935 stainless steel Substances 0.000 claims abstract description 28
- 239000010865 sewage Substances 0.000 claims abstract description 12
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 32
- 230000005484 gravity Effects 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 235000000396 iron Nutrition 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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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- 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention relates to a weir type collecting net of a drainage port and a using method thereof, comprising a fixed seat component and a net bag; the fixing seat assembly comprises a reinforced metal base, a plurality of modular U-shaped stainless steel bases and a water flow guide plate; the modular U-shaped stainless steel base is vertically arranged at two ends of the reinforced metal base and at a position between the two ends; the water flow guide plate is arranged perpendicular to the reinforced metal base and the modular U-shaped stainless steel base; a through hole is formed in the water flow guide plate between the adjacent modular U-shaped stainless steel bases, a flow outlet pipe is fixedly arranged in the through hole, and a net bag is fixedly arranged at the other end of the flow outlet pipe. The garbage collecting device has the characteristics of reasonable structural design, convenience in operation and use, low maintenance cost and relatively high automation intelligent degree, can effectively intercept and collect garbage flowing out of a sewage pipeline, can ensure the safety of an upstream under the condition that the rainfall exceeds a warning water level, meets the use requirement, and has relatively high popularization and application values.
Description
Technical Field
The invention relates to the technical field of estuary sewage and garbage collection, in particular to an estuary weir type collection net and a using method thereof.
Background
The conventional sewage pipeline outlet at the river discharge port is mostly not provided with a garbage collection device, or a grate for garbage filtering liquid is often arranged at the sewage pipeline outlet to prevent garbage from flowing into the river. However, for the adopted grate, the garbage is accumulated more, if the garbage is not cleaned in time, the outlet of the sewage pipeline is easily blocked by the garbage to cause unsmooth drainage, and in addition, when the water level of the river channel rises to exceed the safety warning water level due to flood, the upstream waterlogging is easily caused. Therefore, corresponding inspection personnel are required to regularly inspect the sewage pipeline, so that the investment of manpower and material resources is inevitably caused, and the pipeline maintenance cost is greatly improved. The invention is provided based on the research background, and aims to provide a weir type collecting net at a river discharge mouth and a using method thereof, so as to overcome the defects, reduce the garbage entering a river through the weir type collecting net and improve the urban water environment.
Disclosure of Invention
The invention aims to: the weir type collection net for the drainage port has the advantages of being reasonable in structural design, convenient to operate and use, low in maintenance cost and relatively high in automation intelligent degree, can effectively intercept and collect garbage flowing out of the drainage port, can ensure upstream safety under the condition that rainfall exceeds a warning water level, meets use requirements, and has high popularization and application values.
In order to achieve the purpose, the invention adopts the following technical scheme:
a weir type collecting net for a river outlet comprises a fixed seat component and a net bag; the fixing seat assembly comprises a reinforced metal base, a plurality of modular U-shaped stainless steel bases and a water flow guide plate; the reinforced metal base is horizontally embedded, and the modular U-shaped stainless steel base is vertically arranged at two ends of the reinforced metal base and at a position between the two ends along the length direction of the reinforced metal base; the length of the water flow guide plate is matched with that of the reinforced metal base and is perpendicular to the reinforced metal base and the modular U-shaped stainless steel base; a through hole is formed in the water flow guide plate between the adjacent modular U-shaped stainless steel bases, a flow outlet pipe matched with the pipe diameter of the sewage discharge pipe is fixedly arranged in the through hole, one end of the flow outlet pipe is connected with an outlet of the sewage discharge pipe, and a net bag is fixedly arranged at the other end of the flow outlet pipe.
As a further optimization of the scheme, a net bag locking ring device is sleeved on the outflow pipe; the net bag locking ring device comprises a clamping ring with an opening and a tension spring arranged at the opening, the clamping ring is sleeved on the outflow pipe, the opening of the clamping ring is respectively provided with a tension spring mounting seat for fixing the tension spring, and two ends of the tension spring are respectively arranged on the tension spring mounting seats; or the net bag locking ring device comprises a clamping ring with an opening and clamping pieces respectively arranged at two sides of the opening, the shapes of the two clamping pieces are matched, one clamping piece can be arranged in an inner cavity of the other clamping piece, and the two clamping pieces are locked and limited in a locking state by a locking bolt; the locking bolt is connected with the electromagnet in an attracting mode, the electromagnet attracts and keeps the locking bolt in a locking state under the power-on condition, and the locking bolt is loosened and kept in an unlocking state under the power-off condition.
As a further optimization of the scheme, the outlet pipe is a metal pipe, and an outlet hole is further formed in the outer peripheral surface of the outlet pipe; the net bag is made of degradable materials, a plurality of pre-buried irons fixed with the estuary foundation are arranged at the bottom of the reinforced metal base, and the pre-buried irons are hook-shaped; and a lifting ring matched with the lifting hook of the lifting device is arranged at the top of the modular U-shaped stainless steel base.
As a further optimization of the scheme, a liquid level sensor is arranged at a preset height of the water flow guide plate, a gravity sensor is further arranged at the bottom of the net bag, the liquid level sensor and the gravity sensor are both connected with an automatic control cabinet on a dam of the river outlet, a PLC (programmable logic controller) and an alarm are arranged in the automatic control cabinet, and the PLC is in control connection with the alarm; the liquid level sensor and the gravity sensor respectively send detected liquid level height signals of the water flow guide plate and garbage weight signals in the net bag to the PLC, the PLC compares the received liquid level height signals and the garbage weight signals with preset liquid level height threshold values and preset weight threshold values after data conversion, and controls the alarm to send alarm prompt signals according to the comparison result; the PLC is also in control connection with the electromagnet; the automatic control cabinet is also internally provided with a timer connected with the PLC, and the PLC controls the electromagnet to loosen the locking bolt and keep the locking bolt in an unlocked state when the PLC reaches the set time according to the timer, so that the net bag falls off from the net bag locking ring device.
As a further optimization of the scheme, the automatic control cabinet further comprises a wireless transceiver connected with the PLC, the wireless transceiver is in communication connection with a cloud server through a 2G, 3G, 4G or wifi network, and the cloud server is connected with an intelligent mobile terminal or a remote monitoring center through a wireless network; the intelligent mobile terminal comprises one or a combination of a smart phone and a tablet computer.
The use method of the drainage weir type collecting net comprises the following steps:
1) the fixing seat assembly is arranged at the position of a foundation at the position of a river outlet, the bottom of the foundation at the position of the river outlet is hooked by the embedded iron at the bottom of the reinforced metal base, the modular U-shaped stainless steel bases at two sides and the bottom of the reinforced metal base are connected with two sides of the foundation at the position of the river outlet and the bottom of the foundation in a pouring way by cement,
2) the net bag is arranged on the outflow pipe through the net bag locking device;
3) regularly observing the quantity of the garbage in the net bag, using a lifting device to lift a lifting ring at the top of the modular U-shaped stainless steel base to drive the whole fixing seat assembly to lift after the garbage in the net bag reaches a certain quantity, lifting the fixing seat assembly to a dam at a river discharge port, taking down the net bag, removing the garbage in the net bag, and then installing the net bag to an initial installation position; and the fixing base assembly is lifted to the initial installation position, the modular U-shaped stainless steel bases on the two sides and the bottom of the reinforced metal base are connected with the two sides of the foundation of the drainage port and the bottom of the foundation in a pouring mode through cement, the steps are the same when the net bag is damaged, and then the garbage is intercepted and collected.
The using method also comprises the following steps:
when the quantity of garbage in the net bag is large, the liquid level height of the water flow guide plate rises, in the process, the liquid level sensor detects a liquid level height signal of the water flow guide plate and a garbage weight signal detected by the gravity sensor and sends the detected corresponding signals to the PLC, when the garbage weight value and the liquid level height value detected in real time are higher than preset corresponding threshold values, the situation that accumulated water exists at a river outlet is indicated, the PLC controls the alarm to send out an alarm signal, and the alarm signal is transmitted to the intelligent mobile terminal or the remote monitoring center through the wireless network by using the wireless transceiver to remind a manager of on-site inspection; if the timer reaches the preset specified time, namely the alarm is overtime and is not processed, the net bag automatically falls off to ensure the safety of the upstream area.
The drainage weir type collecting net and the using method thereof have the following beneficial effects: the product has reasonable structural design, simple and convenient installation and simple maintenance; the net bag is made of degradable materials, so that the environmental burden of subsequent treatment is not increased; the net bag has a self-destruction function, automatically falls off after reaching set conditions, and ensures the safety of upstream drainage.
Drawings
Fig. 1 is a schematic top view of a weir-type collection net according to the present invention.
Fig. 2 is a schematic side view of the mobile phone network of the drainage weir type.
Fig. 3 is a schematic structural view of fig. 2 from another view angle according to the present invention.
Fig. 4 is a schematic structural view of the drainage weir type collection net of the present invention when installed and used.
Detailed Description
The weir-type collection network and the method of using the same according to the present invention will be described in detail with reference to the accompanying drawings of fig. 1 to 4.
A weir type collecting net of a river outlet comprises a fixed seat component and a net bag 1; the fixing seat assembly comprises a reinforced metal base 2, a plurality of modular U-shaped stainless steel bases 3 and a water flow guide plate 4; the reinforced metal base is horizontally embedded, and the modular U-shaped stainless steel base is vertically arranged at two ends of the reinforced metal base and at a position between the two ends along the length direction of the reinforced metal base; the length of the water flow guide plate is matched with that of the reinforced metal base and is perpendicular to the reinforced metal base and the modular U-shaped stainless steel base; a through hole 5 is formed in the water flow guide plate between the adjacent modular U-shaped stainless steel bases, a flow outlet pipe 6 matched with the pipe diameter of the sewage discharge pipeline is fixedly arranged in the through hole, one end of the flow outlet pipe is connected with the outlet of the sewage discharge pipeline, and a net bag is fixedly arranged at the other end of the flow outlet pipe.
The flow outlet pipe is sleeved with a net bag locking ring device 7; the net bag locking ring device comprises a clamping ring with an opening and a tension spring arranged at the opening, the clamping ring is sleeved on the outflow pipe, the opening of the clamping ring is respectively provided with a tension spring mounting seat for fixing the tension spring, and two ends of the tension spring are respectively arranged on the tension spring mounting seats; or the net bag locking ring device comprises a clamping ring with an opening and clamping pieces respectively arranged at two sides of the opening, the shapes of the two clamping pieces are matched, one clamping piece (not shown in the figure) can be arranged in an inner cavity of the other clamping piece (not shown in the figure), and the two clamping pieces are locked and limited in a locking state by a locking bolt (not shown in the figure); the locking bolt is connected with the electromagnet in an attracting mode, the electromagnet (not shown in the figure) attracts and keeps the locking bolt in a locking state under the power-on condition, and the locking bolt is released and kept in an unlocking state under the power-off condition.
The outlet pipe is a metal pipe, and an outlet hole is formed in the peripheral surface of the outlet pipe; the net bag is made of degradable materials, a plurality of pre-buried irons fixed with the estuary foundation are arranged at the bottom of the reinforced metal base, and the pre-buried irons are hook-shaped; and a lifting ring matched with the lifting hook of the lifting device is arranged at the top of the modular U-shaped stainless steel base.
A liquid level sensor is arranged at a preset height of the water flow guide plate, a gravity sensor is further arranged at the bottom of the net bag, the liquid level sensor and the gravity sensor are both connected with an automatic control cabinet on a dam of the drainage port, a PLC (programmable logic controller) and an alarm are arranged in the automatic control cabinet, and the PLC is in control connection with the alarm; the liquid level sensor and the gravity sensor respectively send detected liquid level height signals of the water flow guide plate and garbage weight signals in the net bag to the PLC, the PLC compares the received liquid level height signals and the garbage weight signals with preset liquid level height threshold values and preset weight threshold values after data conversion, and controls the alarm to send alarm prompt signals according to the comparison result; the PLC is also in control connection with the electromagnet; the automatic control cabinet is also internally provided with a timer connected with the PLC, and the PLC controls the electromagnet to loosen the locking bolt and keep the locking bolt in an unlocked state when the PLC reaches the set time according to the timer, so that the net bag falls off from the net bag locking ring device.
The automatic control cabinet also comprises a wireless transceiver connected with the PLC, the wireless transceiver is in communication connection with a cloud server through a 2G, 3G, 4G or wifi network, and the cloud server is connected with an intelligent mobile terminal or a remote monitoring center through a wireless network; the intelligent mobile terminal comprises one or a combination of a smart phone and a tablet computer.
The use method of the drainage weir type collecting net comprises the following steps:
1) the fixing seat assembly is arranged at the position of a foundation at the position of a river outlet, the bottom of the foundation at the position of the river outlet is hooked by the embedded iron at the bottom of the iron plate base, the U-shaped stainless steel bases at two sides and the bottom of the iron plate base are connected with two sides of the foundation at the position of the river outlet and the bottom of the foundation in a pouring way by cement,
2) the net bag is arranged on the outflow pipe through the net bag locking device;
3) regularly observing the quantity of the garbage in the net bag, using a lifting device to lift a lifting ring at the top of the U-shaped stainless steel base to drive the whole fixing seat assembly to lift after the garbage in the net bag reaches a certain quantity, lifting the fixing seat assembly to a dam at a river discharge port, taking down the net bag, removing the garbage in the net bag, and then installing the net bag to an initial installation position; and hoisting the fixed seat assembly to an initial installation position, pouring and connecting the U-shaped stainless steel bases and the bottom of the iron plate base on two sides with two sides of the foundation of the river outlet and the bottom of the foundation by cement, repeating the steps, replacing by adopting the same steps when the net bag is damaged, and intercepting and collecting garbage.
When the quantity of garbage in the net bag is large, the liquid level height of the water flow guide plate rises, in the process, the liquid level sensor detects a liquid level height signal of the water flow guide plate and a garbage weight signal detected by the gravity sensor and sends the detected corresponding signals to the PLC, when the garbage weight value and the liquid level height value detected in real time are higher than preset corresponding threshold values, the situation that accumulated water exists at a river outlet is indicated, the PLC controls the alarm to send out an alarm signal, and the alarm signal is transmitted to the intelligent mobile terminal or the remote monitoring center through the wireless network by using the wireless transceiver to remind a manager of on-site inspection; if the timer reaches the preset specified time, namely the alarm is overtime and is not processed, the net bag automatically falls off to ensure the safety of the upstream area.
The specific types and models of the liquid level sensor and the gravity sensor used in the present disclosure all belong to common detection elements in the prior art, and can be selected reasonably according to actual design and cost requirements.
The embodiments described above are intended to facilitate one of ordinary skill in the art in understanding and using the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (7)
1. A network is collected to calandria weir formula, its characterized in that: the drainage weir type collecting net comprises a fixed seat component and a net bag (1); the fixing seat assembly comprises a reinforced metal base (2), a plurality of modular U-shaped stainless steel bases (3) and a water flow guide plate (4); the reinforced metal base is horizontally embedded, and the modular U-shaped stainless steel base is vertically arranged at two ends of the reinforced metal base and at a position between the two ends along the length direction of the reinforced metal base; the length of the water flow guide plate is matched with that of the reinforced metal base and is perpendicular to the reinforced metal base and the modular U-shaped stainless steel base; a through hole (5) is formed in the water flow guide plate between the adjacent modular U-shaped stainless steel bases, a flow outlet pipe (6) matched with the pipe diameter of the sewage discharge pipe is fixedly arranged in the through hole, one end of the flow outlet pipe is connected with the outlet of the sewage discharge pipe, and a net bag is fixedly arranged at the other end of the flow outlet pipe.
2. The weir-type collection net of claim 1, wherein: the flow outlet pipe is sleeved with a net bag locking ring device (7); the net bag locking ring device comprises a clamping ring with an opening and a tension spring arranged at the opening, the clamping ring is sleeved on the outflow pipe, the opening of the clamping ring is respectively provided with a tension spring mounting seat for fixing the tension spring, and two ends of the tension spring are respectively arranged on the tension spring mounting seats; or the net bag locking ring device comprises a clamping ring with an opening and clamping pieces respectively arranged at two sides of the opening, the shapes of the two clamping pieces are matched, one clamping piece can be arranged in an inner cavity of the other clamping piece, and the two clamping pieces are locked and limited in a locking state by a locking bolt; the locking bolt is connected with the electromagnet in an attracting mode, the electromagnet attracts and keeps the locking bolt in a locking state under the power-on condition, and the locking bolt is loosened and kept in an unlocking state under the power-off condition.
3. The weir-type collection net of claim 2, wherein: the outlet pipe is a metal pipe, and an outlet hole is formed in the peripheral surface of the outlet pipe; the net bag is made of degradable materials, a plurality of pre-buried irons fixed with the estuary foundation are arranged at the bottom of the reinforced metal base, and the pre-buried irons are hook-shaped; and a lifting ring matched with the lifting hook of the lifting device is arranged at the top of the modular U-shaped stainless steel base.
4. The weir-type collection net of claim 3, wherein: a liquid level sensor is arranged at a preset height of the water flow guide plate, a gravity sensor is further arranged at the bottom of the net bag, the liquid level sensor and the gravity sensor are both connected with an automatic control cabinet on a dam of the drainage port, a PLC (programmable logic controller) and an alarm are arranged in the automatic control cabinet, and the PLC is in control connection with the alarm; the liquid level sensor and the gravity sensor respectively send detected liquid level height signals of the water flow guide plate and garbage weight signals in the net bag to the PLC, the PLC compares the received liquid level height signals and the garbage weight signals with preset liquid level height threshold values and preset weight threshold values after data conversion, and controls the alarm to send alarm prompt signals according to the comparison result; the PLC is also in control connection with the electromagnet; the automatic control cabinet is also internally provided with a timer connected with the PLC, and the PLC controls the electromagnet to loosen the locking bolt and keep the locking bolt in an unlocked state when the PLC reaches the set time according to the timer, so that the net bag falls off from the net bag locking ring device.
5. The weir-type collection net of claim 4, wherein: the automatic control cabinet also comprises a wireless transceiver connected with the PLC, the wireless transceiver is in communication connection with a cloud server through a 2G, 3G, 4G or wifi network, and the cloud server is connected with an intelligent mobile terminal or a remote monitoring center through a wireless network; the intelligent mobile terminal comprises one or a combination of a smart phone and a tablet computer.
6. A method of using the weir-weir collection net according to claim 5, comprising the steps of:
1) the fixing seat assembly is arranged at the position of a foundation at the position of a river outlet, the bottom of the foundation at the position of the river outlet is hooked by the embedded iron at the bottom of the reinforced metal base, the modular U-shaped stainless steel bases at two sides and the bottom of the reinforced metal base are connected with two sides of the foundation at the position of the river outlet and the bottom of the foundation in a pouring way by cement,
2) the net bag is arranged on the outflow pipe through the net bag locking device;
3) regularly observing the quantity of the garbage in the net bag, using a lifting device to lift a lifting ring at the top of the modular U-shaped stainless steel base to drive the whole fixing seat assembly to lift after the garbage in the net bag reaches a certain quantity, lifting the fixing seat assembly to a dam at a river discharge port, taking down the net bag, removing the garbage in the net bag, and then installing the net bag to an initial installation position; and the fixing base assembly is lifted to the initial installation position, the modular U-shaped stainless steel bases on the two sides and the bottom of the reinforced metal base are connected with the two sides of the foundation of the drainage port and the bottom of the foundation in a pouring mode through cement, the steps are the same when the net bag is damaged, and then the garbage is intercepted and collected.
7. Use according to claim 6, characterized in that: the using method also comprises the following steps:
when the quantity of garbage in the net bag is large, the liquid level height of the water flow guide plate rises, in the process, the liquid level sensor detects a liquid level height signal of the water flow guide plate and a garbage weight signal detected by the gravity sensor and sends the detected corresponding signals to the PLC, when the garbage weight value and the liquid level height value detected in real time are higher than preset corresponding threshold values, the situation that accumulated water exists at a river outlet is indicated, the PLC controls the alarm to send out an alarm signal, and the alarm signal is transmitted to the intelligent mobile terminal or the remote monitoring center through the wireless network by using the wireless transceiver to remind a manager of on-site inspection; if the timer reaches the preset specified time, namely the alarm is overtime and is not processed, the net bag automatically falls off to ensure the safety of the upstream area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910997597.4A CN110700392B (en) | 2019-10-18 | 2019-10-18 | River discharge weir type collecting net and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910997597.4A CN110700392B (en) | 2019-10-18 | 2019-10-18 | River discharge weir type collecting net and use method thereof |
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| Publication Number | Publication Date |
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| CN110700392A true CN110700392A (en) | 2020-01-17 |
| CN110700392B CN110700392B (en) | 2024-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910997597.4A Active CN110700392B (en) | 2019-10-18 | 2019-10-18 | River discharge weir type collecting net and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457905A (en) * | 2022-02-23 | 2022-05-10 | 中铁二局集团建筑有限公司 | Be used for large-scale secretly to contain silt dredging device |
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|---|---|---|---|---|
| WO2007075096A1 (en) * | 2005-12-29 | 2007-07-05 | Doru Cornel Sava | Sewage installation |
| CN107100151A (en) * | 2017-04-28 | 2017-08-29 | 河海大学 | A kind of floater automatic collecting device and collection method |
| CN208685753U (en) * | 2018-08-16 | 2019-04-02 | 重庆市大渡口排水有限公司 | A kind of municipal box culvert sewage converging system |
| CN209211400U (en) * | 2018-12-11 | 2019-08-06 | 云南农业大学 | A kind of river channel garbage filtering device |
| CN211080519U (en) * | 2019-10-18 | 2020-07-24 | 北京北排装备产业有限公司 | Drainage weir type collection net |
-
2019
- 2019-10-18 CN CN201910997597.4A patent/CN110700392B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007075096A1 (en) * | 2005-12-29 | 2007-07-05 | Doru Cornel Sava | Sewage installation |
| CN107100151A (en) * | 2017-04-28 | 2017-08-29 | 河海大学 | A kind of floater automatic collecting device and collection method |
| CN208685753U (en) * | 2018-08-16 | 2019-04-02 | 重庆市大渡口排水有限公司 | A kind of municipal box culvert sewage converging system |
| CN209211400U (en) * | 2018-12-11 | 2019-08-06 | 云南农业大学 | A kind of river channel garbage filtering device |
| CN211080519U (en) * | 2019-10-18 | 2020-07-24 | 北京北排装备产业有限公司 | Drainage weir type collection net |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457905A (en) * | 2022-02-23 | 2022-05-10 | 中铁二局集团建筑有限公司 | Be used for large-scale secretly to contain silt dredging device |
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| CN110700392B (en) | 2024-07-19 |
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