CN217710799U - Weathered mudstone formation vacuum dewatering device - Google Patents
Weathered mudstone formation vacuum dewatering device Download PDFInfo
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- CN217710799U CN217710799U CN202221793521.3U CN202221793521U CN217710799U CN 217710799 U CN217710799 U CN 217710799U CN 202221793521 U CN202221793521 U CN 202221793521U CN 217710799 U CN217710799 U CN 217710799U
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Abstract
The utility model discloses a morals and manners shale stratum vacuum precipitation device, include: the device comprises a water storage tank, a drainage tank, a vacuum pump, a pumping well pipe, a filter element, a settling tank and a monitoring device; the water discharge tank is provided with an air inlet, a pressure release valve and a water suction port, the air inlet is connected with a vacuum pump, and the water suction port is connected with a plurality of water suction well pipes through water suction pipes; the settling tank is positioned below the drainage tank and is connected with the drainage tank through a pipeline provided with a switch valve, the upper part of the settling tank is provided with a feeding port, and the lower part of the settling tank is provided with a drainage pipe and a mud discharge valve; the water storage tank is provided with a water outlet pipe and a water inlet pipe, the water inlet pipe is connected with a drain pipe of the sedimentation tank, the filter element is arranged at the flange connection part of the water outlet pipe and the water inlet pipe, and the purified water filtered by the filter element enters the water storage tank; the monitoring device is connected with a pressure sensor and a water level sensor in the drainage tank and controls the opening and closing of each valve in an interlocking way according to feedback data. The problems that the water drainage of weathered mudstone strata is difficult, the working condition in the precipitation facility cannot be fed back to constructors, the sedimentation speed of sediment in a natural state is low, and the water purification efficiency is influenced are solved.
Description
Technical Field
The utility model relates to a subway construction drainage facility field especially relates to a morals and manners mudstone stratum vacuum precipitation device.
Background
Mudstone is a rock formed by clay through a series of after-growth, and weathered mudstone is mudstone with a damaged original rock structure after weathering. For subway construction in water-rich areas, the reduction of the groundwater level is a key for safe and efficient construction, but as the permeability of weathered mudstones is low, the weathered mudstone stratum is difficult to descend, and the construction is influenced.
The working condition in the traditional precipitation facility can not be directly fed back to constructors, and the safety of the device in use can not be ensured.
Groundwater reutilization behind the water purification in the precipitation process, the turbulent flow of traditional precipitation facility pumping water in-process rivers causes the unable sediment of mud, and mud settling velocity is slow under the natural state, influences water purification efficiency.
Disclosure of Invention
The utility model provides a weathering mudstone stratum vacuum precipitation device, which aims to overcome the defect that the weathering mudstone stratum is difficult to drain due to the small permeability of the weathering mudstone; the internal working condition of the traditional precipitation facility cannot be visually fed back to constructors, and the safety of the device in use cannot be ensured; the turbulent flow of water flow in the traditional dewatering facility pumping process causes that mud can not be precipitated, and the settling velocity of silt is slow under the natural state, thereby influencing the water purification efficiency.
In order to realize the purpose, the technical scheme of the utility model is that:
a weathered mudstone formation vacuum precipitation device, comprising: the device comprises a water storage tank, a drainage tank, a vacuum pump, a pumping well pipe, a filter element, a settling tank and a monitoring device; the water pumping device comprises a drainage tank, a water inlet, a pressure release valve, a water pumping port and a water pump, wherein the upper part of the drainage tank is provided with the air inlet, the pressure release valve and the water pumping port, the air inlet is connected with a vacuum pump, the water pumping port is connected with a plurality of water pumping well pipes through water pumping pipes with branches, and the water pumping well pipes pump water into the drainage tank by using negative pressure provided by the vacuum pump; the settling tank is positioned below the drainage tank and is connected with the drainage tank through a pipeline provided with a drainage switch valve, the upper part of the settling tank is provided with a feed inlet for adding a mud precipitator, and the lower part of the settling tank is provided with a drainage pipe and a mud discharge valve; the water storage tank is provided with a water outlet pipe and a water inlet pipe, the water inlet pipe is connected with a drain pipe of the sedimentation tank through a flange, the filter element is arranged at the flange connection position of the water inlet pipe and the drain pipe, and the purified water filtered by the filter element enters the water storage tank; the monitoring device is connected with a pressure sensor and a water level sensor which are arranged in the drainage tank, and can interlockingly control the opening and closing of each pipeline valve according to pressure and water level data fed back by the pressure sensor and the water level sensor, so as to control the process of vacuum precipitation.
Furthermore, the inner wall of the pumping well pipe is axially provided with an underground water level sensor, the underground water level sensor is connected with a monitoring device, and the monitoring device can control the opening and closing of valves of each pipeline in an interlocking manner according to water level data fed back by the underground water level sensor so as to control the vacuum precipitation process.
Furthermore, the drinking-water pipe includes main drinking-water pipe and a plurality of branch drinking-water pipe, be equipped with a plurality of flange interfaces of taking the ooff valve on the main drinking-water pipe, main drinking-water pipe and a plurality of branch drinking-water pipe passes through flange interface connection, branch drinking-water union coupling well casing of drawing water.
Furthermore, the tail end of the branch water pumping pipe is provided with a filter screen to prevent foreign matter from blocking.
Furthermore, a water pump connected with a drain pipe is arranged in the settling tank.
The utility model has the advantages that:
1. the vacuum pump is matched with the water pumping pipes provided with the branch circuits and connected with a plurality of water pumping well pipes, the drainage capacity is improved by increasing the number of the water pumping well pipes which work simultaneously, and the problem of difficult drainage of weathered shale strata is solved; 2. the monitoring device is connected with a pressure sensor and a water level sensor in the drainage tank, the monitoring device can control the opening and closing of each pipeline valve in an interlocking way according to pressure and water level data fed back by the pressure sensor and the water level sensor, the vacuum dewatering process is further controlled, real-time monitoring and interlocking control are achieved, and the problems that the working condition in the traditional dewatering facility cannot be visually fed back to constructors, and the safety of the device in use cannot be guaranteed are solved; 3. the gunbarrel is connected through the pipeline that is equipped with the ooff valve with the drainage tank, guarantees the utility model discloses can draw water while depositing mud, both do not influence each other, realize incessant vacuum precipitation, the gunbarrel is equipped with the charge door simultaneously, adds mud precipitant through the charge door and improves mud sedimentation speed, has solved the turbulent flow of traditional precipitation facility in-process rivers that draws water and has caused mud can't deposit, influences the problem of water purification efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of a weathering mudstone formation vacuum precipitation device disclosed by the utility model;
fig. 2 is a schematic structural view of a water storage tank, a drainage tank and a vacuum pump of the weathering mudstone formation vacuum precipitation device disclosed by the utility model;
fig. 3 is a schematic view of a connection structure between a water pumping pipe and a water pumping well pipe of the weathering mudstone formation vacuum precipitation device disclosed by the utility model;
1. the water storage tank comprises a water storage tank body, 11, a water outlet pipe, 12, a water inlet pipe, 2, a water drainage tank, 21, a water level sensor, 22, a pressure sensor, 23, an air inlet, 24, a pressure release valve, 25, a water pumping pipe, 251, a main water pumping pipe, 252, a branch water pumping pipe, 253, a switch valve, 26, a water pumping port, 3, a vacuum pump, 31, an air outlet, 41, a settling tank support, 42, a vacuum pump support, 5, a water pumping well pipe, 51, an underground water level sensor, 6, a filter core, 7, a settling tank, 71, a water drainage pipe, 72, a charging port, 73, a mud release valve, 74, a water pump, 8 and a monitoring device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment provides a weathering mudstone formation vacuum precipitation device, as shown in fig. 1 and 2, comprising: the device comprises a water storage tank 1, a drainage tank 2, a vacuum pump 3, a pumping well pipe 5, a filter element 6, a settling tank 7 and a monitoring device 8; the upper part of the drainage tank 2 is provided with an air inlet 23, a pressure release valve 24 and a water pumping port 26, and the pressure release valve is used for balancing the internal pressure of the drainage tank; the air inlet 23 is connected with a vacuum pump 3, the pumping ports 26 are connected with a plurality of pumping well pipes 5 through pumping pipes 25 with branches, and the pumping well pipes 5 pump water into the drainage tank 2 by using negative pressure provided by the vacuum pump 3; the vacuum pump is matched with a plurality of water pumping well pipes, and the water drainage capacity is improved by increasing the number of the water pumping well pipes which work simultaneously; the settling tank 7 is positioned below the drainage tank 2 and is connected with the drainage tank through a pipeline provided with a drainage switch valve 27, a feed inlet 72 for adding a mud precipitator is arranged at the upper part of the settling tank 7, a drainage pipe 71 and a mud discharge valve 73 are arranged at the lower part of the settling tank 7, and the settling tank and the drainage tank are relatively independent, so that the utility model can deposit mud while pumping water, realize uninterrupted vacuum precipitation, add the mud precipitator through the feed inlet to the settling tank to improve the settling speed, and discharge settled silt through the mud discharge valve; the water storage tank 1 is provided with a water outlet pipe 11 and a water inlet pipe 12, the water inlet pipe 12 is connected with a water outlet pipe 71 of the sedimentation tank 7 through a flange, the filter element 6 is arranged at the flange connection part of the water inlet pipe and the water outlet pipe, the filter element 6 is replaced by detaching the flange, and the purified water filtered by the filter element 6 enters the water storage tank 1; monitoring devices 8 connect 2 jars of water drainage 2 jar interior pressure sensor 22 and the level sensor 21 that are equipped with, and level sensor hugs closely the water drainage jar inner wall along the direction of height and arranges, and pressure sensor locates water drainage jar inner wall upper portion, and water level and pressure data pass through monitoring devices real time monitoring, make the inside operating mode of water drainage jar can directly perceived feedback to constructor, simultaneously monitoring devices 8 can be according to pressure, the switching of each pipeline valve of water level data interlocking control that pressure sensor 22 and level sensor 21 feed back, and then the process of control vacuum precipitation.
In a specific embodiment, as shown in fig. 3, an underground water level sensor 51 is axially arranged on the inner wall of the pumping well pipe 5, the underground water level sensor 21 is connected with the monitoring device 8, underground water level changes can be visually seen through the detection device, so that a constructor can conveniently determine the current underground water level changes, and meanwhile, the monitoring device 8 can control the opening and closing of each pipeline valve in an interlocking manner according to water level data fed back by the underground water level sensor 51, so as to control the vacuum precipitation process.
In a specific embodiment, alum is preferably selected as the mud precipitator, the alum is low in price, can generate aluminum hydroxide colloid in water, has strong adsorption capacity, can adsorb impurities suspended in water and settle, makes water clear, and is suitable for the utility model.
In a specific embodiment, the vacuum pump 3 is provided with an air outlet 31, and the air outlet is used for being communicated with the atmosphere, so that suck-back after the vacuum pump stops working is avoided.
In the embodiment, the settling tank 7 is supported by a settling tank support 41, the vacuum pump 3 is supported by a vacuum pump support 42, and the heights of the supports are adjusted according to the actual working conditions of the site.
In a specific embodiment, as shown in fig. 3, the water pumping pipes 25 include a main water pumping pipe 251 and a plurality of branch water pumping pipes 252, the main water pumping pipe 251 is provided with a plurality of flange interfaces with switch valves 253, the main water pumping pipe 251 is connected with the plurality of branch water pumping pipes 252 through the flange interfaces, the branch water pumping pipes 252 are connected with the water pumping well pipe 5, the number of the branch water pumping pipes and the corresponding water pumping well pipes is adjusted according to actual conditions on site, and then precipitation capacity is adjusted.
In a specific embodiment, a filter screen is disposed at the end of the branch pumping pipe 252 to prevent foreign objects from blocking.
In a specific embodiment, as shown in fig. 3, the branch pumping pipe 252 is divided into an upper section and a lower section, the upper section of the branch pumping pipe is connected to the main pumping pipe 251, the lower section of the branch pumping pipe extends into the pumping well pipe 5, the upper section of the branch pumping pipe 252 is thicker than the lower section of the branch pumping pipe 252, a reducing part of the branch pumping pipe 252 is provided with a thread, the lower section of the branch pumping pipe 252 can be screwed with the pumping well pipe 5 through the thread hole reserved on the upper part of the pumping well pipe 5, and good sealing performance is ensured.
In a specific embodiment, coarse sand is arranged between the pumping well pipe 5 and a field-arranged dewatering well, and the coarse sand plays a role of coarse filtration.
In the embodiment, as shown in fig. 2, a water pump 74 connected to the water discharge pipe 71 is disposed in the settling tank 7, and the water pump increases the water discharge speed of the settling tank, and thus the vacuum precipitation speed.
Before the work, it is right the utility model discloses a leakproofness inspects, guarantees that each part connects normally, starts vacuum pump 3, scribbles fertile soap water and smears in each junction, if the gassing, explains that the junction is not cramped, consolidates the junction, uses sealed glue to seal when necessary, guarantees that the device normally works.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. A weathering mudstone formation vacuum dewatering device, comprising: the device comprises a water storage tank (1), a drainage tank (2), a vacuum pump (3), a water pumping well pipe (5), a filter element (6), a settling tank (7) and a monitoring device (8);
the water pumping device is characterized in that an air inlet (23), a pressure release valve (24) and a water pumping port (26) are formed in the upper portion of the water drainage tank (2), the air inlet (23) is connected with a vacuum pump (3), the water pumping port (26) is connected with a plurality of water pumping well pipes (5) through water pumping pipes (25) with branch circuits, and the water pumping well pipes (5) pump water into the water drainage tank (2) through negative pressure provided by the vacuum pump (3);
the settling tank (7) is positioned below the drainage tank (2) and is connected with the drainage tank through a pipeline provided with a drainage switch valve (27), a feed inlet (72) for adding a mud precipitator is formed in the upper part of the settling tank (7), and a drainage pipe (71) and a mud discharge valve (73) are formed in the lower part of the settling tank (7);
the water storage tank (1) is provided with a water outlet pipe (11) and a water inlet pipe (12), the water inlet pipe (12) is connected with a drain pipe (71) of the settling tank (7) through a flange, the filter element (6) is arranged at the flange connection position of the water inlet pipe (12) and the drain pipe (71), and the purified water filtered by the filter element (6) enters the water storage tank (1);
pressure sensor (22) and water level sensor (21) that are equipped with in monitoring devices (8) connection water drainage jar (2) jar, each pipeline valve switching of pressure, the water level data interlock control that monitoring devices (8) can feed back according to pressure sensor (22) and water level sensor (21), and then the process of control vacuum precipitation.
2. A weathered mudstone formation vacuum precipitation device according to claim 1, characterized in that the inner wall of the pumping well pipe (5) is axially provided with a ground water level sensor (51), the ground water level sensor (51) is connected with a monitoring device (8), and the monitoring device (8) can interlockingly control the opening and closing of each pipeline valve according to water level data fed back by the ground water level sensor (51) so as to control the vacuum precipitation process.
3. A weathered mudstone formation vacuum precipitation device according to claim 1, wherein the pumping pipes (25) comprise a main pumping pipe (251) and a plurality of branch pumping pipes (252), the main pumping pipe (251) is provided with a plurality of flange interfaces with switch valves (253), the main pumping pipe (251) is connected with the plurality of branch pumping pipes (252) through the flange interfaces, and the branch pumping pipes (252) are connected with the pumping well pipe (5).
4. A weathering mudstone formation vacuum precipitation device as claimed in claim 3, characterized in that the branch suction pipes (252) are provided with screens at their ends to prevent foreign bodies from clogging.
5. A weathering mudstone formation vacuum precipitation device as claimed in claim 1, characterized in that a water pump (74) connected with a water discharge pipe (71) is arranged in the settling tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221793521.3U CN217710799U (en) | 2022-07-12 | 2022-07-12 | Weathered mudstone formation vacuum dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221793521.3U CN217710799U (en) | 2022-07-12 | 2022-07-12 | Weathered mudstone formation vacuum dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217710799U true CN217710799U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221793521.3U Active CN217710799U (en) | 2022-07-12 | 2022-07-12 | Weathered mudstone formation vacuum dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217710799U (en) |
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2022
- 2022-07-12 CN CN202221793521.3U patent/CN217710799U/en active Active
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