CN112726704A - River channel dredging and water taking integrated device and use method and application thereof - Google Patents
River channel dredging and water taking integrated device and use method and application thereof Download PDFInfo
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- CN112726704A CN112726704A CN202011474947.8A CN202011474947A CN112726704A CN 112726704 A CN112726704 A CN 112726704A CN 202011474947 A CN202011474947 A CN 202011474947A CN 112726704 A CN112726704 A CN 112726704A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/907—Measuring or control devices, e.g. control units, detection means or sensors
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9243—Passive suction heads with no mechanical cutting means
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/10—Pipelines for conveying excavated materials
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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
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
Abstract
The disclosure relates to the technical field of channel dredging and agricultural water supply, and particularly provides a channel dredging and water taking integrated device and a using method and application thereof. The system comprises a dredging unit, a water taking unit and a control system; the dredging unit comprises a tank body, the tank body is dustpan-shaped, the tank body is fixed with the water taking unit, and the water taking unit is positioned in a cavity of the tank body; the water taking unit comprises a clean water taking pipeline and a sludge taking pipeline, a water inlet of the clean water taking pipeline is positioned in a clear water layer, and a sludge inlet of the sludge taking pipeline is positioned at the intersection of the interface of the clear water layer and the interface of the sludge layer; the sludge inlet is fixed along with the change of the clean water layer and the sludge layer through an adjustable lifting nut; get clean water pipeline and get silt water pipeline and adjust through electric control valve, electric control valve is controlled by management and control system. The problem of among the prior art river course condition complicated, desilting, water intaking process are difficult, can't realize carrying out this demand of reasonable intelligence water delivery according to the user among the prior art.
Description
Technical Field
The disclosure relates to the technical field of channel dredging and agricultural water supply, and particularly provides a channel dredging and water taking integrated device and a using method and application thereof.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the environmental protection of rivers and lakes and the promotion of surrounding modernized construction, outdoor water taking is more and more inconvenient, and the potential safety hazard exists in waterside operation. Water consumption in the fields of greening, agricultural irrigation and the like is large, and facilities such as a common vehicle-mounted water pump and the like are often limited by fields, roads and the like, so that water taking operation is difficult to implement. Meanwhile, most river water slowly deposits silt to cause water quality deterioration, and manpower and material resources are often spent for dredging.
In the prior art, a riverbed dredging and irrigation integrated device is provided, but the scheme directly places sludge cleaned from the riverbed in a farmland for farmland irrigation and fertility improvement, and the inventor finds that: compared with a river bed, the river channel is complex, silt, water containing silt and a clean water source are mixed, the silt, the water containing silt and the clean water source are distributed in a certain level, if the silt and sewage are directly irrigated together, on one hand, the clean water source is wasted, and on the other hand, because the water and the silt in the river channel are well-graded, the water is easily taken out, the silt is easily settled, and the river channel is easily blocked after a long time.
In addition, different users are different to the water source demand, if water the farmland, then to the higher silt-containing sewage demand of organic matter content bigger, and domestic water is then to the clean water source demand great to in the face of different farmlands, to silt turbidity's demand different, among the prior art river course water intaking device all can't realize carrying out this demand of reasonable intelligence water delivery according to the user.
Disclosure of Invention
The river course condition is complicated among the prior art to the river course condition, and the desilting, the water intaking process is difficult to go on to and among the prior art river course water intaking device all can't realize carrying out the demand of reasonable intelligent water delivery according to the user, can't satisfy the user and face the problem that different situations have different turbidity requirements to the water.
The utility model provides an easy management, convenience of customers's river course desilting, water intaking integrated device makes clear water layer and silt layer layering present turbidity gradient formula change, satisfies the user to the demand of different turbidity.
Simultaneously river course desilting, water intaking integrated device can supply submarine silt for places such as irrigation, afforestation, and the platform can satisfy the user demand of different water quality of water, different water lifts and accessible wisdom thing networking management and control system realizes remote operation management equipment and user's water demand information. Specifically, this disclosure sets up fixed water intaking water supply platform in the river course and can make things convenient for the citizen's water demand greatly, and river course silt can supply with water places such as irrigation afforestation as the fertilizer simultaneously.
In one or some embodiments of the present disclosure, an integrated device for dredging and taking water from a river channel is provided, which includes a dredging unit, a water taking unit and a management and control system;
the dredging unit comprises a tank body, the tank body is dustpan-shaped, the tank body is fixed with the water taking unit, and the water taking unit is positioned in a cavity of the tank body;
the water taking unit comprises a clean water taking pipeline and a sludge taking pipeline, a water inlet of the clean water taking pipeline is positioned in a clear water layer, and a sludge inlet of the sludge taking pipeline is positioned at the intersection of the interface of the clear water layer and the interface of the sludge layer; the sludge inlet is fixed along with the change of the clean water layer and the sludge layer through an adjustable lifting nut;
the intersection of the clean water layer and the sludge layer is in a turbidity gradual change shape, and the closer to the sludge layer, the larger the turbidity is, the water taking unit is positioned at the turbidity gradual change position;
get clean water pipeline and get silt water pipeline and adjust through electric control valve, electric control valve is controlled by management and control system.
In one or some embodiments of the present disclosure, a method for using the above integrated device for dredging and taking water from a river channel is provided, which includes the following steps: the water taking unit is arranged at the junction of the interface of the clear water layer and the sludge layer,
the water supply control system is characterized in that the user water interface is connected with a user side, the electric adjusting valve is switched according to user water demand information input in the control system, the opening and closing degree of the electric adjusting valve is controlled, the control system controls the lifting of the lifting nut according to the user water demand information, and then the silt content of user water is controlled.
In one or some embodiments of the present disclosure, a water supply station is provided, which includes a plurality of the above-mentioned integrated devices for dredging and getting water from river channels.
In one or more embodiments of the present disclosure, an integrated device for dredging and taking water from a river channel or an application of the above using method in agricultural irrigation is provided.
One or some of the above technical solutions have the following advantages or beneficial effects:
1) this is disclosed through setting for the river course desilting of special construction, water intaking integrated device in the waters to through the wisdom management and control system based on internet of things realization equipment intelligence management and control and remote operation, the system sets up the collection silt basin and realizes that the extraction of waters silt is collected with low-order silt taking port and use. The water intake interface is fixed for citizen irrigation, domestic water, fire-fighting water and the like, and can convey sludge in a water area to a field, wherein the sludge can be used as fertilizer and can optimize the water quality of the water area.
2) In the operation process of the integrated device for dredging and taking water in the river channel, as shown in fig. 2, the water taking unit is arranged at the interface intersection of the clear water layer 18 and the sludge layer 19, sludge can be pumped from the interface intersection to cause depression in the use process, peripheral sludge can be gathered towards the interface intersection, and the sludge outside the tank body is gathered into the tank body, so that the tank body has the function of gathering the sludge.
3) This disclose rational setting get clean water pipeline and get silt water pipeline to inject the position of the two water inlets or the silt inlet, accord with the characteristics that silt, the water that contains silt, clean water source distribute according to the level in the river course, make river course normal water and mud all obtain rational utilization, both avoided the waste of clean water source, avoided the silt to pile up the siltation that causes in the river course again.
4) This open reasonable management and control system that sets up types user's water demand information, switches electric control valve according to user's water demand condition, realizes the portable intellectuality of user's water intaking, also convenient unified management.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the disclosure and, together with the description, serve to explain the disclosure and not to limit the disclosure.
Fig. 1 is an overall view of an integrated device for dredging and taking water from a river channel shown in embodiment 1.
Fig. 2 is a partial view of the integrated device for dredging and taking water from a river channel shown in embodiment 1.
Wherein: 1-user water interface; 2-high pressure sludge pump; 3-a management and control system; 4-using a water pressure sensor; 5-an electric regulating valve; 6-taking a clean water pipeline; 7-taking a sludge water pipeline; 8-fixing a bracket; 9-a pool body; 10-a hose; 11-ultrasonic detection probe; 12-a gear motor; 13-a lead screw; 14-lifting nut; 15-a silt inlet; 16-a limit guide rail; 17-a dirt blocking net; 18-clear water layer; 19-sludge layer; 20-sandstone layer.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the disclosure without making any creative effort, shall fall within the protection scope of the disclosure.
The river course condition is complicated among the prior art to the river course condition, and the desilting, the water intaking process is difficult to go on to and among the prior art river course water intaking device all can't realize carrying out the demand of reasonable intelligent water delivery according to the user, can't satisfy the user and face the problem that different situations have different turbidity requirements to the water.
The utility model provides an easy management, convenience of customers's river course desilting, water intaking integrated device, station river course desilting, water intaking integrated device can supply submarine silt for places such as irrigation, afforestation simultaneously, and the platform can satisfy the user demand of different water quality of water, different water lifts and accessible wisdom thing networking management and control system realizes remote operation management equipment and user's water demand information. Specifically, this disclosure sets up the water intaking water supply platform of regulation in the river course and can make things convenient for the citizen's water demand greatly, and river course silt can supply to irrigate water sites such as afforestation as the fertilizer simultaneously.
Example 1
As shown in fig. 1 and 2, the present embodiment provides an integrated device for dredging and water taking in a river channel, which includes a dredging unit, a water taking unit and a management and control system;
the dredging unit comprises a tank body 9, the tank body 9 is dustpan-shaped, the tank body 9 is fixed with a water taking unit, and the water taking unit is positioned in a cavity of the tank body 9;
the water taking unit comprises a clean water taking pipeline 6 and a sludge taking pipeline 7, wherein a water inlet of the clean water taking pipeline 6 is positioned in a clean water layer, and a sludge inlet 15 of the sludge taking pipeline 7 is positioned at the intersection of the interface of the clean water layer 18 and a sludge layer 19; the sludge inlet 15 is fixed along with the change of the clean water layer 18 and the sludge layer 19 through an adjustable lifting nut 14;
the intersection of the clean water layer and the sludge layer is in a pit shape, and the water taking unit is positioned at the pit;
in the operation process of the integrated device for dredging and taking water in the river channel, as shown in fig. 2, the water taking unit is arranged at the interface intersection of the clear water layer 18 and the sludge layer 19, sludge can be pumped from the interface intersection to cause depression in the use process, peripheral sludge can be gathered towards the interface intersection, and the sludge outside the tank body is gathered into the tank body, so that the tank body has the function of gathering the sludge.
Get clean water pipeline 6 and get silt water pipeling 7 and adjust through electric control valve 5, electric control valve 5 is controlled by management and control system 3. The switching of electric control valve 5 provides different kinds of water for the user, realizes the regulation and the selection of user's water lift through pressure sensor signal transmission to wisdom management and control system 3, realizes the regulation and the selection of user's water flow through the 5 apertures of control electric control valve.
Preferably, the lifting nut 14 is positioned on a lead screw 13, the lead screw 13 is fixed with the tank body 9 through a fixing bracket 8, and a speed reducing motor 12 is arranged to control the lead screw 13 to rotate forward and backward to control the lifting nut 14 to lift; the lifting nut 14 is obviously connected with the silt inlet 15 and the screw rod 13, and the lifting nut 14 can move up and down to control the position of the silt inlet 15.
Preferably, a limiting guide rail 16 is arranged between the sludge inlet 15 and the fixed bracket 8, and the limiting guide rail 16 is parallel to the screw rod 13. The limit guide rail 16 limits the nut 14 and the silt inlet 15 to be incapable of rotating and only capable of moving up and down, and under the general condition, the limit guide rail 15 is perpendicular to the bottom surface of the tank body 9, so that water inlet is completed to the maximum extent. On the other hand, the limiting guide rail 15 has certain supporting capacity and can well protect the lead screw.
Preferably, the tank body 9 further comprises an ultrasonic detection probe 11 for detecting the position change condition of the interface intersection of the clear water layer 18 and the sludge layer 19; the ultrasonic detection probe 11 emits ultrasonic detection rays, and the specific position of the intersection of the interfaces of the clear water layer 18 and the sludge layer 19 can be judged according to the reflection condition, and as seen from fig. 2, it is obvious that the sludge inlet 15 is positioned on the side of the ultrasonic detection rays as much as possible, and the detection effect is better.
Preferably, the ultrasonic detection probe 11 is fixed on the fixed bracket 8;
preferably, the ultrasonic detection probe 11 transmits a signal to the management and control system 3, and the management and control system 3 controls the position of the lifting nut 14.
The system detects a sludge and water interface in real time through the ultrasonic detection probe 11, then the speed reduction motor 12 drives the screw nut to adjust the height of the lifting nut 14 in a transmission way, and further drives the sludge inlet 15 to move up and down along the limiting guide rail 16 to adjust to a proper height, so that the sludge pump 2 can pump sludge water with a proper sludge content.
Preferably, the user water demand information is input into the management and control system 3, and the opening and closing states of the electric regulating valve 5 are switched according to the user water demand information, so that the communication between the user water interface 1 and the required clean water taking pipeline 6 or sludge taking pipeline 7 is realized. The management and control system 3 adjusts the opening of the electric adjusting valve 5 according to the water consumption information of the user, and then controls the water flow in the pipeline, and further realizes providing the required water consumption for the user.
Preferably, the user water interface 1 is also provided with a high-pressure sludge pump 2, and the management and control system 3 adjusts the running state of the high-pressure sludge pump 2 according to the user water information; clear water or sludge water in the sludge collecting tank is pumped by a high-pressure sludge pump 2.
Preferably, the water use interface 1 of the user is further provided with a water use pressure sensor 4, a signal of the water use pressure sensor 4 is transmitted to the control system 3, the control system 3 adjusts the motor operation frequency of the high-pressure sludge pump 2 according to the received signal of the water use pressure sensor 4, and then the pressure at the water use interface of the user is controlled and adjusted, so that a proper conveying lift is provided for the user.
Preferably, the lower part of the tank body 9 is of a necking structure. The necking down structure can make silt toward the centre assemble, conveniently advance the better extraction bottom of the pool silt of silt mouth 15.
Preferably, a dirt blocking net 17 is arranged above the tank body 9. The dirt blocking net 17 is used for collecting water low-sludge and blocking sand and large-particle matters from entering the pool. Avoid large granule thing to block up the pipeline, and then increase 9 mud of cell body and collect the degree of difficulty.
Example 2
The embodiment provides a method for using the integrated device for dredging and water intaking in the river channel of embodiment 1, which comprises the following steps: connect user's water interface 1 and user, switch electric regulating valve 5 according to the user's water demand information of typing in management and control system 3 to control electric regulating valve 5's switching degree, management and control system 3 still controls the lift of lift nut 14 according to user's water demand information, and then the silt content of control user's water.
Preferably, the management and control system 3 controls the reduction motor 12 to rotate forward or backward to drive the lifting nut 14 to move up and down along the limit rail 16, so as to control the position of the lifting nut 14.
Preferably, the management and control system 3 processes the received signal of the ultrasonic detection probe 11, and sends a designated signal to control the position of the lifting nut 14.
When the system runs, a user firstly links the water conveying pipeline with the user water using interface 1 on the equipment, logs in through the man-machine interaction interface of the intelligent management and control system 3 and selects the water using type (clear water or muddy water), the water using flow and the lift of the water using requirement. Further, the system provides the selected water demand for the user through the switching of the user selection information control pipeline, the opening degree of the electric regulating valve 5, the running frequency of the high-pressure sludge pump 2 and the like. Meanwhile, the system transmits the water consumption information of the user to a remote cloud management platform through the intelligent management and control system, so that operation management (such as user water demand information statistics, fee payment, equipment maintenance and the like) of the platform is achieved.
Example 3
This embodiment provides a water supply station, the water supply station includes a plurality of river course desilting, water intaking integrated device of embodiment 1. The management and control system 3 realizes applications such as user water demand information identification and user water intake demand selection through a user human-computer interaction interface, automatically receives equipment part operation signals and intelligently controls the operation state of each piece of equipment, and simultaneously transmits the operation state of the equipment and user application information to a unified remote management platform through the intelligent management and control system 3, so that unified management and operation work of multiple sites and multiple pieces of equipment is realized.
The disclosure of the present invention is not limited to the specific embodiments, but rather to the specific embodiments, the disclosure is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A river channel dredging and water taking integrated device is characterized by comprising a dredging unit, a water taking unit and a control system;
the dredging unit comprises a tank body, the tank body is dustpan-shaped, the tank body is fixed with the water taking unit, and the water taking unit is positioned in a cavity of the tank body;
the water taking unit comprises a clean water taking pipeline and a sludge taking pipeline, a water inlet of the clean water taking pipeline is positioned in a clear water layer, and a sludge inlet of the sludge taking pipeline is positioned at the intersection of the interface of the clear water layer and the interface of the sludge layer; the sludge inlet is fixed along with the change of the clean water layer and the sludge layer through an adjustable lifting nut;
the water taking unit is positioned at the junction of the clean water layer and the sludge layer;
get clean water pipeline and get silt water pipeline and adjust through electric control valve, electric control valve is controlled by management and control system.
2. The integrated device for dredging and taking water from river channel according to claim 1, wherein the lifting nut is located on a lead screw, the lead screw is fixed with the tank body through a fixing bracket, and a speed reducing motor is arranged to control the lead screw to rotate forward and backward so as to control the lifting nut to lift;
preferably, a limiting guide rail is arranged between the sludge inlet and the fixed support and is parallel to the screw rod.
3. The integrated device for dredging and taking water from river channel of claim 1, wherein the tank body further comprises an ultrasonic detection probe for detecting the position change condition of the interface intersection of the clear water layer and the sludge layer;
preferably, the ultrasonic detection probe is fixed on the fixed bracket;
preferably, the ultrasonic detection probe transmits a signal to the control system, and the control system controls the position of the lifting nut.
4. The integrated device for dredging and taking water from river channel according to claim 1, wherein the management and control system inputs the water consumption information of the user, and adjusts the electric adjusting valve according to the water consumption information of the user, and the electric adjusting valve is connected with the water consumption interface of the user.
5. The integrated device for dredging and taking water from a river channel according to claim 1, wherein a high-pressure sludge pump is further arranged at the water use interface of the user, and the management and control system adjusts the running state of the high-pressure sludge pump according to the water use information of the user;
preferably, a water using pressure sensor is further arranged at the water using interface of the user, a signal of the water using pressure sensor is transmitted to the control system, and the control system adjusts the running frequency of the motor of the high-pressure sludge pump according to the received signal of the water using pressure sensor.
6. The integrated device for dredging and taking water in a river channel according to claim 1, wherein a necking structure is arranged below the tank body;
preferably, a dirt blocking net is arranged above the tank body.
7. The use method of the integrated device for dredging and taking water from the river channel of any one of claims 1 to 6, which is characterized by comprising the following steps: the water taking unit is arranged at the intersection of the clear water layer and the sludge layer interface, the user water utilization interface is connected with the user side, the electric adjusting valve is switched according to the user water utilization information input in the control system, the opening and closing degree of the electric adjusting valve is controlled, and the control system controls the lifting of the lifting nut according to the user water utilization information so as to control the silt content of the user water.
8. The use method of the integrated device for dredging and taking water from the river channel according to claim 7, wherein the control system controls the speed reduction motor to control the position of the lifting nut through forward and reverse rotation of the screw rod;
preferably, the management and control system processes the received infrared detection probe signal and sends a designated signal to control the position of the lifting nut.
9. A water supply station is characterized by comprising a plurality of integrated devices for dredging and taking water from a river channel, wherein the integrated devices are 1-6.
10. Use of the integrated device for dredging and water intake of river channel of any one of claims 1-6 or the use of the method of claim 7 or 8 in agricultural irrigation.
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| CN202011474947.8A CN112726704B (en) | 2020-12-15 | 2020-12-15 | River channel dredging and water taking integrated device and use method and application thereof |
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| CN202011474947.8A CN112726704B (en) | 2020-12-15 | 2020-12-15 | River channel dredging and water taking integrated device and use method and application thereof |
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| CN112726704B CN112726704B (en) | 2022-04-12 |
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|---|---|---|---|---|
| CN115262681A (en) * | 2022-08-29 | 2022-11-01 | 宁夏回族自治区水利工程建设中心 | Jet flow scouring self-cleaning device and system used in pump station water inlet pool |
| CN115262681B (en) * | 2022-08-29 | 2023-10-17 | 宁夏回族自治区水利工程建设中心 | Jet flow flushing and silting self-cleaning device and system for pump station water inlet pool |
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| Publication number | Publication date |
|---|---|
| CN112726704B (en) | 2022-04-12 |
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