CN212656853U - Dewatering well drainage device that catchments - Google Patents
Dewatering well drainage device that catchments Download PDFInfo
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- CN212656853U CN212656853U CN202022055323.4U CN202022055323U CN212656853U CN 212656853 U CN212656853 U CN 212656853U CN 202022055323 U CN202022055323 U CN 202022055323U CN 212656853 U CN212656853 U CN 212656853U
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Abstract
The utility model provides a dewatering well drainage device that catchments, dewatering well drainage device that catchments include the water tank, with inlet tube, trachea that the water tank top is linked together, with the drain pipe that the water tank bottom is linked together, the trachea is connected with a gas blowing device and an aspirator through a three-way valve respectively, gas blowing device with the aspirator is connected with a controlling means respectively, controlling means is used for control gas blowing device with aspirator's operating condition, be provided with in the inlet tube and receive atmospheric pressure control in the water tank and can only water in the inlet tube to the first check valve that the direction that the water tank flows was opened, be provided with in the drain pipe and receive atmospheric pressure control in the water tank and can only water in the water tank to following the second check valve that the direction that the drain pipe flowed was opened. Adopt the technical scheme of the utility model, can discharge the precipitation well in the water fast.
Description
Technical Field
The utility model relates to a building engineering field especially relates to a dewatering well drainage device that catchments.
Background
At present, underground projects such as highway tunnels, subways, underground pipe networks and the like built and proposed in China are increasing day by day, the projects can not pass through sections with complicated project hydrogeological conditions, and an underground water seepage field is in a dynamic balance state before the underground projects are built. Along with the excavation of the underground engineering and the formation of the near empty surface, underground water is collected and seeped to the near empty surface to form underground engineering excavation surface seepage water, if effective water collecting and draining measures are not taken, the rock surface fissure seepage water is drained to a drainage ditch of the underground engineering, the seepage water is gathered after the supporting lining wall, the water pressure is increased, the supporting body structure is damaged, and the seepage water generated by the engineering structure and the service life are greatly reduced; meanwhile, the underground engineering supporting and waterproof construction is carried out under the condition of large-area water seepage, the construction quality cannot be guaranteed, and the underground engineering is easy to have water seepage in the operation process.
At present, precipitation wells arranged at certain intervals are generally adopted in the industry for precipitation, underground water is introduced into the precipitation wells, and then water in the precipitation wells is pumped out through a water pump. However, the water is pumped by the water pump, and the deep well pumping cannot be carried out due to the limited lift of the water pump.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an underground works drainage device that catchments to improve the groundwater of underground works and drainage speed.
The embodiment of the utility model provides an in, provide a dewatering well drainage device that catchments, its include the water tank, with inlet tube, trachea that the water tank top is linked together, with the drain pipe that the water tank bottom is linked together, the trachea is connected with a gas blowing device and an aspirator through a three-way valve respectively, gas blowing device with the aspirator is connected with a controlling means respectively, controlling means is used for control gas blowing device with aspirator's operating condition, be provided with in the inlet tube and receive atmospheric pressure control in the water tank and the first check valve that the water that can only be in the inlet tube opened to the direction that the water tank flows, be provided with in the drain pipe and receive atmospheric pressure control in the water tank and the water that can only be in the water tank to follow the second check valve that the direction that flows out in the drain pipe is opened.
In the embodiment of the utility model provides an in, precipitation well drainage device that catchments, still including set up in atmospheric pressure monitoring devices in the trachea, atmospheric pressure detecting device is used for detecting atmospheric pressure in the water tank and send the atmospheric pressure that detects for controlling means, controlling means is used for the basis the change of atmospheric pressure is controlled gas blowing device with getter device's operating condition.
In the embodiment of the utility model, the getter device adopts the air pump.
In the embodiment of the utility model, gas blowing device adopts the booster pump.
Compared with the prior art, the water collecting and draining device of the dewatering well circularly adopts air suction depressurization and air blowing pressurization in the water tank, sucks water in the dewatering well into the water tank, and discharges water in the water tank, only by controlling the air suction device and the air blowing device, water in a deep well can be discharged without adopting a water pump, and the control process is simple; the control method can automatically calculate the time of the water tank for full water storage, thereby obtaining the working time for controlling the air suction device and improving the working efficiency of the dewatering well water collecting and draining device.
Drawings
Fig. 1 is a schematic structural view of a dewatering well water collecting and draining device in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
As shown in fig. 1, in the embodiment of the present invention, a water collecting and draining device for dewatering well is provided, which comprises a water tank 1, a water inlet pipe 2 communicated with the top of the water tank 1, an air pipe 3, and a water draining pipe 4 communicated with the bottom of the water tank 1. The air pipe 3 is connected with an air blowing device 6 and an air suction device 7 through a three-way valve 5. The blowing device 6 and the suction device 7 are respectively connected with a control device 8, and the control device 8 is used for controlling the working states of the blowing device 6 and the suction device 7. The water inlet pipe 2 is communicated between the water tank 1 and the precipitation well 20. A first one-way valve 9 is arranged in the water inlet pipe 2, the first one-way valve 9 is controlled by air pressure in the water tank 1, and the water in the water inlet pipe 2 can only be opened towards the flowing direction of the water tank 1. The drain pipe 4 is provided with a second one-way valve 10, and the second one-way valve 10 is controlled by the air pressure in the water tank 1 and can only be opened when the water in the water tank 1 flows out of the drain pipe 4. In this embodiment, the air suction device 6 is an air pump. The blowing device 7 adopts a booster pump.
The air pipe 3 is further provided with an air pressure monitoring device 11, and the air pressure monitoring device 11 is used for detecting the air pressure in the water tank 1 and sending the detected air pressure to the control device 8. The control device 8 is used for controlling the working states of the air blowing device 6 and the air suction device 7 according to the change of the air pressure, and the control process is as follows:
first, the control device 8 controls the suction device 7 to start operating, the suction device 7 sucks air from the water tank 1 within a set operating time, the air pressure in the water tank 1 decreases, the first check valve 9 opens, the second check valve 10 closes, water flows into the water tank 1 through the water inlet pipe 2, and the water level rises to a certain height.
Then, the control device 8 controls the air suction device 7 to stop working and controls the air blowing device 6 to start working, when the air blowing device 6 blows air into the water tank 1, the air pressure in the water tank 1 is gradually increased, the first one-way valve 9 is closed, the second one-way valve 10 is opened, water in the water tank 1 is discharged through the drain pipe 4 under the action of the air pressure, when the water level in the water tank 1 is reduced to be lower than a communication port between the drain pipe 4 and the water tank 1, the air pressure in the water tank 1 is suddenly reduced, at this moment, it can be judged that the air blowing device 6 finishes discharging, and the control device 8 controls the air blowing device 6 to stop working and controls the air suction device 7 to start working.
The control device 8 alternately operates the blowing device 6 and the suction device 7 to discharge water.
Specifically, the set operating time of the air suction device is calculated as follows:
and (2) sucking the air suction device 7, feeding water into the water tank 1 by the water inlet pipe 2, blowing air to the air blowing device 6, discharging water in the water tank 1, setting an air suction time in an initial cycle, increasing the air suction time of the air suction device 7 in each cycle, recording the working time of the air blowing device 7 for finishing water drainage, and taking the air suction time in the previous air suction and air blowing cycle as the set working time of the air suction device 7 when the working time of the air blowing device 6 for finishing water drainage in the next air suction and air blowing cycle is not increased any more. Through the calculation mode, the obtained set working time of the air suction device 7 is the time required by the water tank to store full water when the air suction device 7 works.
In conclusion, the water collecting and draining device of the dewatering well of the utility model is adopted, air suction depressurization and air blowing pressurization are circularly adopted in the water tank, water in the dewatering well is sucked into the water tank, and water in the water tank is drained, only the air suction device and the air blowing device are controlled, a water pump is not needed, water in a deep well can be drained, and the control process is simple; the control method can automatically calculate the time of the water tank for full water storage, thereby obtaining the working time for controlling the air suction device and improving the working efficiency of the dewatering well water collecting and draining device.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The water collecting and draining device of the dewatering well is characterized by comprising a water tank, a water inlet pipe communicated with the top of the water tank, an air pipe and a drain pipe communicated with the bottom of the water tank, wherein the air pipe is respectively connected with an air blowing device and an air suction device through a three-way valve, the air blowing device and the air suction device are respectively connected with a control device, a first one-way valve which is controlled by air pressure in the water tank and can be opened only in the direction that water in the water inlet pipe flows to the water tank is arranged in the water inlet pipe, and a second one-way valve which is controlled by air pressure in the water tank and can be opened only in the direction that water in the water tank flows out from the drain pipe is arranged in the drain pipe.
2. The dewatering well water collecting and draining device as claimed in claim 1, further comprising an air pressure detecting device disposed in the air pipe, the air pressure detecting device being configured to detect air pressure in the water tank and send the detected air pressure to the control device, the control device being configured to control the operation states of the air blowing device and the air suction device according to changes in the air pressure.
3. The water collecting and draining device of dewatering well as described in claim 1, characterized in that the air pump is used as the air suction device.
4. The water collecting and draining device of dewatering well as claimed in claim 1, wherein the air blowing device is a booster pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022055323.4U CN212656853U (en) | 2020-09-18 | 2020-09-18 | Dewatering well drainage device that catchments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022055323.4U CN212656853U (en) | 2020-09-18 | 2020-09-18 | Dewatering well drainage device that catchments |
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| Publication Number | Publication Date |
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| CN212656853U true CN212656853U (en) | 2021-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022055323.4U Active CN212656853U (en) | 2020-09-18 | 2020-09-18 | Dewatering well drainage device that catchments |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963242A (en) * | 2020-09-18 | 2020-11-20 | 上海渊丰地下工程技术有限公司 | Dewatering well water collecting and draining device and control method thereof |
| CN114215086A (en) * | 2021-11-29 | 2022-03-22 | 上海渊丰地下工程技术有限公司 | Multistage negative pressure gas lift type dewatering well |
-
2020
- 2020-09-18 CN CN202022055323.4U patent/CN212656853U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963242A (en) * | 2020-09-18 | 2020-11-20 | 上海渊丰地下工程技术有限公司 | Dewatering well water collecting and draining device and control method thereof |
| CN114215086A (en) * | 2021-11-29 | 2022-03-22 | 上海渊丰地下工程技术有限公司 | Multistage negative pressure gas lift type dewatering well |
| CN114215086B (en) * | 2021-11-29 | 2023-03-14 | 上海渊丰地下工程技术有限公司 | Multistage negative pressure gas lift type dewatering well |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 201600 Building 1, 1128 Wenhui Road, Songjiang District, Shanghai Patentee after: SHANGHAI YUANFENG UNDERGROUND ENGINEERING TECHNOLOGY Co.,Ltd. Address before: Room 307, building 16, 4588 Honghai Road, Sanxing Town, Chongming District, Shanghai 202152 Patentee before: SHANGHAI YUANFENG UNDERGROUND ENGINEERING TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |