CN214061669U - Pneumatic drainage device for water accumulation pit - Google Patents
Pneumatic drainage device for water accumulation pit Download PDFInfo
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- CN214061669U CN214061669U CN202022918314.3U CN202022918314U CN214061669U CN 214061669 U CN214061669 U CN 214061669U CN 202022918314 U CN202022918314 U CN 202022918314U CN 214061669 U CN214061669 U CN 214061669U
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Abstract
The utility model discloses a pneumatic drainage device for a sump, which comprises a tank body, wherein the bottom of the tank body is connected with a water inlet pipe component and a water drain pipe component; a first check valve is arranged in the water inlet pipe assembly, and the opening direction of a valve clack of the first check valve is arranged towards the tank body; a second one-way valve is arranged in the drain pipe assembly, and the opening direction of a valve clack of the second one-way valve is far away from the tank body; the control system comprises a controller and a trigger switch arranged in the tank body, and the trigger switch is electrically connected with the controller; and the air pressure supply system is communicated with the interior of the tank body and is electrically connected with the controller. The utility model discloses simple structure is reliable, and the suction liquid level can be as low as 5 centimetres, and automatic control uses very conveniently moreover. The device can be widely applied to the discharge of accumulated water in various low-lying buildings, and is convenient to overhaul and maintain.
Description
Technical Field
The utility model relates to a ponding discharges technical field, concretely relates to ponding hole atmospheric pressure drainage device.
Background
At present, a subway tunnel constructed by a shield method and precast concrete segments needs to be provided with an interval pump room at the lowest point between adjacent stations, and a foundation pit for collecting miscellaneous drainage such as structural water seepage is arranged in the interval pump room. When ponding in the interval pump house foundation ditch is accumulated to certain degree of depth, need promote ponding to main waste water pump house in order to realize the foundation ditch drainage to avoid foundation ditch ponding to spill over and bring the potential safety hazard for subway operation.
The traditional interval pump house foundation ditch adopts the immersible pump to carry out the drainage, needs to set up 1.5 meters deep foundation ditch at least. However, the depth of the interval pump house foundation pit at the ground bottom is deep, and the excavation construction is difficult due to the factors such as the groundwater level of the construction section, the geology, the tunneling mode of the shield machine and the like. If the underground water level of the interval pump house is higher, the construction is carried out by adopting a frozen soil method, so that the construction difficulty is high, and the construction cost is high. In fact, the depth of a foundation pit of a pump room in a subway interval in many cities in China is only about 0.8-1.0m, and the conventional submersible pump is difficult to install due to the depth of the foundation pit and only an ultra-low liquid level submersible pump can be adopted. However, most of the ultra-low liquid level submersible pumps are import equipment, so that the cost is high, and in case of failure, the submersible pumps need to be overhauled after the subway is shut down, so that the maintenance is very inconvenient, and the control of the subway operation cost and the safety guarantee are not facilitated.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a simple structure is reasonable, dependable performance, long service life's ponding hole atmospheric pressure drainage device to overcome the weak point among the prior art.
A sump air pressure drain, comprising:
the bottom of the tank body is connected with a water inlet pipe assembly and a water outlet pipe assembly; a first one-way valve is arranged in the water inlet pipe assembly, and the opening direction of a valve clack of the first one-way valve faces the tank body; a second one-way valve is arranged in the drainage pipe assembly, and the opening direction of a valve clack of the second one-way valve is far away from the tank body;
the control system comprises a controller and a trigger switch arranged in the tank body, and the trigger switch is electrically connected with the controller; and
the air pressure supply system is communicated with the interior of the tank body, and the air pressure supply system is electrically connected with the controller.
Further, trigger switch includes low liquid level pneumatic switch and high liquid level pneumatic switch, low liquid level pneumatic switch and high liquid level pneumatic switch are all installed the jar is internal, low liquid level pneumatic switch and high liquid level pneumatic switch all with the controller electricity is connected.
Further, the air pressure supply system comprises a positive pressure air source, an air pipe is connected to the positive pressure air source, and the air outlet end of the air pipe is communicated with the inside of the tank body through a three-way electromagnetic valve; the three-way electromagnetic valve comprises a positive pressure port, a working port and an evacuation port, the working port of the three-way electromagnetic valve is in threaded connection with the outer wall of the tank body, and the positive pressure port of the three-way electromagnetic valve is connected with the air pipe; the three-way electromagnetic valve is in signal connection with the controller.
Further, the positive pressure air source is an air compressor.
Furthermore, a filter screen is installed on a water inlet port of the first one-way valve.
Further, the controller is a PLC controller.
Further, a tank seat is arranged at the bottom of the tank body and fixed at the bottom of the foundation pit through screws.
The beneficial effects of the utility model are embodied in:
the utility model discloses simple structure is reliable, and the suction liquid level can be as low as 5 centimetres, and automatic control uses very conveniently moreover. The device can be widely applied to the discharge of accumulated water in various low-lying buildings, and is convenient to overhaul and maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a pneumatic drainage device for a sump provided in an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in figure 1, the utility model relates to a sump atmospheric pressure drainage device, including jar body 5, control system and atmospheric pressure feed system. Wherein, the bottom of the tank body 5 is connected with a water inlet pipe component 10 and a water outlet pipe component 4; a first check valve 11 is arranged in the water inlet pipe assembly 10, and the opening direction of a valve clack of the first check valve 11 is arranged towards the tank body 5; be provided with second check valve 3 in the drain pipe subassembly 4, the valve clack opening direction of second check valve 3 is kept away from jar body 5 and is set up. A filter screen 12 is installed on the water inlet of the first check valve 11. The bottom of the tank body 5 is provided with a tank seat 9, and the tank seat 9 is fixed at the bottom of the foundation pit 1 through screws.
The control system comprises a controller 13 and a trigger switch arranged in the tank body 5, and the trigger switch is electrically connected with the controller 13. Specifically, the trigger switch comprises a low liquid level pneumatic switch 6 and a high liquid level pneumatic switch 7, the low liquid level pneumatic switch 6 and the high liquid level pneumatic switch 7 are both installed in the tank body 5, and the low liquid level pneumatic switch 6 and the high liquid level pneumatic switch 7 are both electrically connected with the controller 13. The controller 13 is a PLC controller.
The air pressure supply system is communicated with the interior of the tank body 5, and the air pressure supply system is electrically connected with the controller 13. The air pressure supply system comprises a positive pressure air source, an air pipe is connected to the positive pressure air source, and the air outlet end of the air pipe is communicated with the interior of the tank body 5 through a three-way electromagnetic valve 8; the three-way electromagnetic valve 8 comprises a positive pressure port, a working port and an evacuation port, the working port of the three-way electromagnetic valve 8 is in threaded connection with the outer wall of the tank body 5, and the positive pressure port of the three-way electromagnetic valve 8 is connected with an air pipe; the three-way electromagnetic valve 8 is in signal connection with a controller 13. The positive pressure air source is an air compressor.
The working process is as follows:
when ponding water level rose gradually in foundation ditch 1, under the action of gravity, ponding filters through filter screen 12, from flowing into jar body 5 in the first check valve 11 certainly, rise because of jar internal ponding water level up to high liquid level pneumatic switch 7, its in-pipeline pressure increases and signals of trigger signal of telecommunication, when controller 13 obtained the signal of telecommunication, to three solenoid valve 8 circular telegrams, this moment, three solenoid valve's evacuation mouth seals, working port and malleation mouth passageway, malleation compressed air continuously enters into jar body 5 in, under the malleation effect, first check valve 11 valve clack on the inlet tube subassembly 10 is closed, 3 valve clacks of second check valve on the drain pipe subassembly 4 are opened, pipeline 2 on the drain pipe subassembly 4 is passed through to the ponding of jar body 5 discharges to pump house wastewater disposal basin or municipal pipe network.
In the discharge process of the ponding in the jar body 5 under the compressed air effect, when the ponding water level in the jar body 5 is low to low liquid level pneumatic switch 6 when losing the signal of telecommunication because of its pressure reduction in the pipeline, controller 13 makes three solenoid valve 8 cut off the power supply, at this moment, three solenoid valve 8's malleation mouth seals, working port and evacuation mouth passageway, the residual pressure in the jar body 5 is through evacuation mouth pressure release to external atmosphere in, become the ordinary pressure in the jar body 5, thereby the ponding is under the action of gravity in foundation ditch 1, the ponding filters through filter screen 12 once more, from flowing into jar body 5 in the first check valve 11 certainly, and the ponding in the pipeline 2 is because losing the positive pressure effect, reflux under the action of gravity, thereby make 3 valve clacks of second check valve close.
The utility model discloses simple structure is reliable, and the suction liquid level can be as low as 5 centimetres, and automatic control uses very conveniently moreover. The device can be widely applied to the discharge of accumulated water in various low-lying buildings, and is convenient to overhaul and maintain.
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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. A sump air pressure drainage device, comprising:
the water tank comprises a tank body (5), wherein the bottom of the tank body (5) is connected with a water inlet pipe assembly (10) and a water outlet pipe assembly (4); a first one-way valve (11) is arranged in the water inlet pipe assembly (10), and the opening direction of a valve clack of the first one-way valve (11) is arranged towards the tank body (5); a second one-way valve (3) is arranged in the drain pipe assembly (4), and the opening direction of a valve clack of the second one-way valve (3) is far away from the tank body (5);
the control system comprises a controller (13) and a trigger switch arranged in the tank body (5), and the trigger switch is electrically connected with the controller (13); and
the air pressure supply system is communicated with the interior of the tank body (5), and is electrically connected with the controller (13).
2. A sump pneumatic drainage arrangement as claimed in claim 1, wherein: trigger switch includes low liquid level pneumatic switch (6) and high liquid level pneumatic switch (7), low liquid level pneumatic switch (6) and high liquid level pneumatic switch (7) are all installed in jar body (5), low liquid level pneumatic switch (6) and high liquid level pneumatic switch (7) all with controller (13) electricity is connected.
3. A sump pneumatic drainage arrangement as claimed in claim 1, wherein: the air pressure supply system comprises a positive pressure air source, an air pipe is connected to the positive pressure air source, and the air outlet end of the air pipe is communicated with the inside of the tank body (5) through a three-way electromagnetic valve (8); the three-way electromagnetic valve (8) comprises a positive pressure port, a working port and an evacuation port, the working port of the three-way electromagnetic valve (8) is in threaded connection with the outer wall of the tank body (5), and the positive pressure port of the three-way electromagnetic valve (8) is connected with the air pipe; the three-way electromagnetic valve (8) is in signal connection with the controller (13).
4. A sump pneumatic drainage arrangement as claimed in claim 3, wherein: the positive pressure air source is an air compressor.
5. A sump pneumatic drainage arrangement as claimed in claim 1, wherein: a filter screen (12) is arranged on the water inlet port of the first one-way valve (11).
6. A sump pneumatic drainage arrangement as claimed in claim 1, wherein: the controller (13) is a PLC controller.
7. A sump pneumatic drainage arrangement as claimed in claim 1, wherein: the bottom of the tank body (5) is provided with a tank seat (9), and the tank seat (9) is fixed at the bottom of the foundation pit through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022918314.3U CN214061669U (en) | 2020-12-08 | 2020-12-08 | Pneumatic drainage device for water accumulation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022918314.3U CN214061669U (en) | 2020-12-08 | 2020-12-08 | Pneumatic drainage device for water accumulation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214061669U true CN214061669U (en) | 2021-08-27 |
Family
ID=77406429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022918314.3U Active CN214061669U (en) | 2020-12-08 | 2020-12-08 | Pneumatic drainage device for water accumulation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214061669U (en) |
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2020
- 2020-12-08 CN CN202022918314.3U patent/CN214061669U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221101 Address after: Room 404, 4 / F, building 1, wanshili science and technology building, 68 Tiancheng Road, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU JUCHUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Patentee after: Feitai Transportation Technology Co.,Ltd. Address before: Room 404, 4 / F, building 1, wanshili science and technology building, 68 Tiancheng Road, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU JUCHUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |