CN213979008U - Deep well precipitation device - Google Patents
Deep well precipitation device Download PDFInfo
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- CN213979008U CN213979008U CN202022545826.XU CN202022545826U CN213979008U CN 213979008 U CN213979008 U CN 213979008U CN 202022545826 U CN202022545826 U CN 202022545826U CN 213979008 U CN213979008 U CN 213979008U
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Abstract
The utility model provides a deep well precipitation device, which comprises a precipitation well, a pumping/gas injection pipeline communicated with the precipitation well, a drain pipe communicated with the precipitation well and a pumping/gas injection device arranged outside the precipitation well, wherein the side wall of the precipitation well is provided with a groundwater seepage device, the bottom of the precipitation well is provided with a closed collection drainage device, the collection drainage device is communicated with the precipitation well through a water collection check valve, the pumping/gas injection pipeline is communicated with the precipitation well through a gas suction check valve, one end of the drain pipe is arranged at the bottom of the collection drainage device, the other end is arranged outside the precipitation well, the gas suction check valve is arranged in the precipitation well and close to the top of the precipitation well, and the gas suction check valve is opened when the pumping/gas injection device pumps gas, and closing the valve during gas injection. Adopt the technical scheme of the utility model, can improve groundwater collection and exhaust efficiency.
Description
Technical Field
The utility model relates to a building engineering field especially relates to a deep well precipitation device.
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; in addition, the dewatering effect of the dewatering well is poor because the waiting time is long because the groundwater can only be slowly infiltrated into the dewatering well.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a deep well precipitation device to improve the precipitation drainage effect of precipitation well.
In the embodiment of the utility model, the deep well dewatering device is provided, which comprises a dewatering well, a pumping/gas injection pipeline communicated with the dewatering well, a drain pipe communicated with the dewatering well and a pumping/gas injection device arranged outside the dewatering well, wherein the side wall of the dewatering well is provided with a groundwater seepage device, the bottom of the dewatering well is provided with a closed collection drainage device, the collection drainage device is communicated with the dewatering well through a water collection check valve, one end of the pumping/gas injection pipeline is arranged in the collection drainage device, the other end of the pumping/gas injection pipeline is connected with the pumping/gas injection device, the pumping/gas injection pipeline is communicated with the dewatering well through a gas suction check valve, one end of the drain pipe is arranged at the bottom of the collection drainage device, the other end of the drain pipe is arranged outside the dewatering well, the gas suction check valve is arranged in the dewatering well and close to the top of the dewatering well, the air suction one-way valve is opened when the air suction/injection device sucks air and is closed when the air is injected.
In the embodiment of the utility model provides an in, the drain outlet department of drain pipe still is provided with the drainage check valve, the drainage check valve is in when taking out/gas injection device is bled, opens during the gas injection.
In the embodiment of the utility model, the precipitation well is still including being used for sealing the wellhead sealing device of precipitation well.
In the embodiment of the utility model, groundwater seepage flow device is disconnect-type strainer.
In the embodiment of the utility model, groundwater seepage flow device through seepage flow check valve with precipitation well is linked together.
In the embodiment of the utility model provides an in, deep well precipitation device still including set up in the atmospheric pressure detection device of precipitation well head is used for detecting atmospheric pressure in the precipitation well.
Compared with the prior art, the deep well dewatering device of the utility model has the advantages that when the pumping/gas injection device pumps air, the air suction one-way valve is opened, the water collection one-way valve is opened, the drainage one-way valve is closed, the air pressure in the dewatering well is reduced, so that the underground water rapidly permeates into the dewatering well under the action of the atmospheric pressure; when the gas pumping/injecting device injects gas, the gas suction one-way valve is closed, the water collecting one-way valve is closed, the drainage one-way valve is opened, water in the water collecting and drainage device is drained through the drainage pipe under the action of air pressure, and therefore collection and drainage of underground water can be accelerated.
Drawings
Fig. 1 is a schematic structural diagram of a deep well precipitation device of the embodiment of the present invention.
Fig. 2 is a flow chart of the operation process of the deep well precipitation device of the 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 utility model, provide a deep well precipitation device, its include precipitation well 1, with the gas extraction/injection pipeline 2 that precipitation well 1 is linked together, with the drain pipe 3 that precipitation well 1 is linked together and set up in gas extraction/injection device 4 outside precipitation well 1.
The dewatering well 1 is arranged underground and used for collecting underground water. The dewatering well 1 further comprises a wellhead sealing device 11 for sealing the dewatering well 1, and the gas pumping/injecting pipeline 2 and the water discharging pipe 3 respectively penetrate through the wellhead sealing device 11. And a groundwater seepage device 12 is arranged on the side wall of the dewatering well 1 and used for collecting groundwater. The groundwater seepage device 12 is communicated with the precipitation well 1 through a seepage one-way valve 13. The groundwater seepage device 12 may adopt a separation type water filtering pipe, or may adopt other water filtering devices.
The bottom of the dewatering well 1 is provided with a closed water collecting and draining device 5. The water collecting and discharging device 5 is communicated with the dewatering well 1 through a water collecting one-way valve 51. One end of the gas pumping/injecting pipeline 2 is arranged in the water collecting and draining device 5, and the other end is connected with the gas pumping/injecting device 4. The gas pumping/injecting pipeline 2 is communicated with the dewatering well 1 through a gas suction one-way valve 21. The air suction one-way valve 21 is arranged in the dewatering well 1 and close to the top of the dewatering well 1,
one end of the drain pipe 3 is arranged at the bottom of the water collecting and draining device 5, and the other end is arranged outside the dewatering well 1 and used for draining the underground water collected in the water collecting and draining device 5 out of the water collecting and draining device 5. A drain check valve 31 is further arranged at the drain outlet of the drain pipe 3.
The gas pumping/injecting device 4 is arranged on the ground and used for injecting gas into the water collecting and draining device 5 or pumping gas from the dewatering well 1 to change the gas pressure in the dewatering well 1 and the water collecting and draining device 5, thereby accelerating the collection and the drainage of underground water. The air suction check valve 21 is opened when the air suction/injection device 4 sucks air and is closed when the air is injected. The drain check valve 31 is closed when the gas suction/injection device 4 sucks gas and is opened when the gas is injected. The water collecting check valve 51 is opened when the gas pumping/injecting device 4 pumps gas and is closed when injecting gas.
Further, in the embodiment of the utility model provides an in, deep well precipitation device still including set up in the air pressure detection device 6 of precipitation well wellhead is used for detecting air pressure in the precipitation well 1 to can be based on air pressure in the precipitation well 1 comes control take out/gas injection device 4 ground operating condition, with control deep well precipitation device's operation. The air pressure detecting means 6 may be a vacuum gauge.
As shown in fig. 2, the operation process of the deep well precipitation device specifically includes:
controlling the gas pumping/injecting device 4 to pump until the gas pressure in the dewatering well 1 is reduced to a set value;
waiting for a period of time until the air pressure in the dewatering well 1 rises to the standard atmospheric pressure, controlling the air pumping/injecting device 4 to inject air, and discharging the water in the water collecting and discharging device 5 through the water discharging pipe 3;
when the water in the water collecting and draining device 5 is drained through the drain pipe 3, the air pumping/injecting device 4 is controlled to pump air.
By repeating the above processes, the groundwater can be rapidly collected and discharged.
In summary, with the deep well precipitation device of the present invention, when the gas pumping/injecting device pumps gas, the gas suction check valve is opened, the water collection check valve is opened, the drainage check valve is closed, and the pressure in the precipitation well is decreased, so that groundwater rapidly permeates into the precipitation well under the action of atmospheric pressure; when the gas pumping/injecting device injects gas, the gas suction one-way valve is closed, the water collecting one-way valve is closed, the drainage one-way valve is opened, water in the water collecting and drainage device is drained through the drainage pipe under the action of air pressure, and therefore collection and drainage of underground water can be accelerated.
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 (6)
1. A deep well precipitation device is characterized by comprising a precipitation well, a pumping/gas injection pipeline communicated with the precipitation well, a drain pipe communicated with the precipitation well and a pumping/gas injection device arranged outside the precipitation well, wherein the side wall of the precipitation well is provided with an underground water seepage device, the bottom of the precipitation well is provided with a closed collection drainage device, the collection drainage device is communicated with the precipitation well through a water collection one-way valve, one end of the pumping/gas injection pipeline is arranged in the collection drainage device, the other end of the pumping/gas injection pipeline is connected with the pumping/gas injection device, the pumping/gas injection pipeline is communicated with the precipitation well through a gas suction one-way valve, one end of the drain pipe is arranged at the bottom of the collection drainage device, the other end of the drainage pipe is arranged outside the precipitation well, the gas suction one-way valve is arranged in the precipitation well and is close to the top of the precipitation well, the air suction one-way valve is opened when the air suction/injection device sucks air and is closed when the air is injected.
2. The deep well precipitation device according to claim 1, wherein a drain check valve is further arranged at the drain port of the drain pipe, and the drain check valve is closed when the gas pumping/injecting device pumps gas and is opened when injecting gas.
3. The deep well precipitation device of claim 2, wherein said precipitation well further comprises a wellhead sealing device for sealing said precipitation well.
4. The deep well precipitation device of claim 2, wherein the groundwater seepage device is a separate strainer.
5. The deep well precipitation device of claim 2, wherein the groundwater seepage device is in communication with the precipitation well through a seepage check valve.
6. The deep well precipitation device of claim 1, further comprising an air pressure detection device disposed at a wellhead of the precipitation well for detecting air pressure within the precipitation well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022545826.XU CN213979008U (en) | 2020-11-06 | 2020-11-06 | Deep well precipitation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022545826.XU CN213979008U (en) | 2020-11-06 | 2020-11-06 | Deep well precipitation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213979008U true CN213979008U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022545826.XU Active CN213979008U (en) | 2020-11-06 | 2020-11-06 | Deep well precipitation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213979008U (en) |
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2020
- 2020-11-06 CN CN202022545826.XU patent/CN213979008U/en active Active
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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 |