CN217075623U - Underground waste liquid storage tank - Google Patents
Underground waste liquid storage tank Download PDFInfo
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- CN217075623U CN217075623U CN202220064298.2U CN202220064298U CN217075623U CN 217075623 U CN217075623 U CN 217075623U CN 202220064298 U CN202220064298 U CN 202220064298U CN 217075623 U CN217075623 U CN 217075623U
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Abstract
The utility model discloses a underground waste liquid storage tank, which comprises a controller and a tank body, wherein one side of the tank body is provided with a sewage inlet, and the tank body is provided with a gas inlet for introducing fuel gas in a station, a safety valve port, a waste liquid discharge port, a pressure gauge port and a liquid level gauge port provided with a liquid level gauge; the sewage inlet is connected with a sewage discharge pipe, and a first valve is arranged on the sewage discharge pipe; the gas inlet is connected with a gas pipe, and a second valve is arranged on the gas pipe; a third valve is arranged at the waste liquid discharge port, and the waste liquid discharge port is connected with an environmental protection department centralized collection and transportation vehicle; the controller is electrically connected with the liquid level meter, the first valve, the second valve and the third valve. The utility model provides a pair of underground formula waste liquid storage tank can realize the real-time supervision liquid level, utilizes station gas pressure itself, realizes the automatic waste liquid that discharges, has the investment little, advantages such as easy operation is convenient.
Description
Technical Field
The utility model relates to a waste liquid treatment technical field especially relates to a following formula waste liquid storage tank.
Background
The underground waste liquid storage tank stores waste liquid discharged by equipment in a CNG (compressed natural gas) station and a gas pressure regulating station during natural gas filtration, and the waste liquid is collected and transported out periodically by an environmental protection department and is treated, so that the method that the waste liquid discharged from the station is collected in a barrel or discharged to a sewage disposal pool in situ is changed, zero emission and no pollution are achieved, and the requirement of environmental protection is met. The design pressure of the storage tank is 1.6MPa, and the full volume is 2 cubic meters.
The waste liquid in the existing CNG station and the gas pressure regulating station is mostly discharged on site. Energy conservation and emission reduction and environmental protection are always advocated by the nation, in order to call corresponding countries, part of gas field stations adopt a sewage pond, but the sewage pond occupies a large area of ground, anti-freezing solution needs to be matched and updated all the year round, the sewage discharge amount collected and transported in a centralized way by environmental protection departments every month is very large, and the waste liquid can only be collected into a sewage discharge vehicle appointed by the environmental protection departments manually, so that the method is not economical and convenient. Moreover, the sewage disposal pool is in an open-air concrete square well form, so that the phenomenon of leakage and leakage is difficult to avoid, and meanwhile, the sewage disposal pool is arranged in the open air and is also a pollution source in a station invisibly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to the background art, the utility model provides a underground following formula waste liquid storage tank can realize the real-time supervision liquid level, utilizes station gas pressure itself, realizes the automatic waste liquid that discharges, and it is little to have the investment, advantages such as easy operation is convenient.
In order to achieve the above object, the present invention provides the following technical solutions: a underground waste liquid storage tank comprises a controller and a tank body, wherein a sewage inlet is formed in one side of the tank body, and a gas inlet for introducing fuel gas in a station, a safety valve port, a waste liquid discharge port, a pressure gauge port and a liquid level gauge port provided with a liquid level gauge are formed in the tank body;
the sewage inlet is connected with a sewage discharge pipe, and a first valve is arranged on the sewage discharge pipe;
the gas inlet is connected with a gas pipe, and a second valve is arranged on the gas pipe;
a third valve is arranged at the waste liquid discharge port, and the waste liquid discharge port is connected with an environmental protection department centralized collection and transportation vehicle;
the controller is electrically connected with the liquid level meter, the first valve, the second valve and the third valve.
By adopting the scheme, the input end of the controller is connected with the output end of the liquid level meter, the output end of the controller is connected with the input ends of the first valve, the second valve and the third valve, waste liquid generated by the natural gas station and the natural gas pressure regulating station flows into the tank body through the blow-off pipe and the sewage inlet for storage, the liquid level in the tank body can be set by using the liquid level meter, when the liquid level in the tank body is higher than a set value, the liquid level meter transmits signals to the controller, the controller controls the first valve to be closed, the second valve and the third valve to be opened simultaneously, gas enters the tank body through the gas pipe, the waste liquid in the tank body is conveyed to the centralized collection vehicle of an environmental protection department through the waste liquid discharge port by using pressure difference, the set liquid level meter can realize real-time liquid level monitoring, the pressure of the gas of the station is used, automatic waste liquid discharge is realized, the investment is small, the operation is simple and convenient, and the like.
Preferably, the safety valve port is connected with a bleeding pipe, and the bleeding pipe is provided with a safety valve.
Preferably, the pressure gauge port is connected with a pressure gauge for monitoring the pressure in the tank body in real time.
Preferably, the controller is electrically connected with the safety valve and the pressure gauge.
By adopting the scheme, the input end of the controller is connected with the output end of the pressure gauge, the output end of the controller is connected with the input end of the safety valve, the pressure in the tank body can be set by using the controller, when the pressure gauge monitors that the pressure in the tank body is higher than the set pressure, the signal is transmitted to the controller, the controller controls the safety valve to be opened, and the tank body can be timely diffused through the safety valve port and the diffusing pipe to reduce the pressure in the tank body so as to ensure safety.
Preferably, a manhole is further arranged on the tank body.
Preferably, the manhole is used for inspection.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the liquid level gauge can monitor the liquid level in the tank body in real time, the liquid level gauge, the controller, the first valve, the second valve, the third valve, the drain pipe, the sewage inlet, the waste liquid discharge port and the environmental protection department are used in cooperation with a centralized collecting and transporting vehicle, the pressure of station gas can be utilized, automatic discharge of waste liquid is achieved, and the liquid level gauge has the advantages of being small in investment, simple and convenient to operate and the like.
(2) The matched use of the controller, the pressure gauge, the safety valve port and the diffusing pipe can diffuse and reduce the pressure in the tank body in time so as to ensure the safety.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the tank of the present invention.
Fig. 3 is a control diagram of the controller of the present invention.
In the figure: 1. a sewage inlet; 2. a gas inlet; 3. a safety valve port; 4. a waste liquid discharge port; 5. a pressure gauge port; 6. a level gauge port; 7. a manhole; 8. a tank body; 9. a blow-off pipe; 10. a first valve; 11. a gas pipe; 12. a second valve; 13. a safety valve; 14. a diffusing pipe; 15. a third valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-3, the utility model provides an underground waste liquid storage tank, which comprises a controller and a tank body 8, wherein one side of the tank body 8 is provided with a sewage inlet 1, and the tank body 8 is provided with a gas inlet 2 for introducing gas in a station, a safety valve port 3, a waste liquid outlet 4, a pressure gauge port 5 and a liquid level gauge port 6 provided with a liquid level gauge;
the sewage inlet 1 is connected with a sewage discharge pipe 9, and the sewage discharge pipe 9 is provided with a first valve 10;
the gas inlet 2 is connected with a gas pipe 11, and a second valve 12 is arranged on the gas pipe 11;
a third valve 15 is arranged at the waste liquid discharge port 4, and the waste liquid discharge port 4 is connected with a centralized collection and transportation vehicle of an environmental protection department;
the controller is electrically connected to the gauge, the first valve 10, the second valve 12, and the third valve 15.
The input end of the controller is connected with the output end of the liquid level meter, the output end of the controller is connected with the input ends of the first valve 10, the second valve 12 and the third valve 15, waste liquid generated by the natural gas station and the natural gas pressure regulating station flows into the tank body 8 for storage through the blow-off pipe 9 and the sewage inlet 1, the liquid level in the tank body 8 can be set by utilizing the liquid level meter, when the liquid level in the tank body 8 is higher than a set value, the liquid level meter transmits a signal to the controller, the controller controls the first valve 10 to be closed, meanwhile, the second valve 12 and the third valve 15 are controlled to be opened, fuel gas enters the tank body 8 through the fuel gas pipe 11, waste liquid in the tank body 8 is conveyed to a centralized collecting and transporting vehicle of an environmental protection department through the waste liquid outlet 4 by utilizing pressure difference, the liquid level can be monitored in real time by the arranged liquid level meter, the automatic waste liquid discharge is realized by utilizing the self pressure of the station fuel gas, and the device has the advantages of small investment, simplicity and convenience in operation and the like.
The relief valve port 3 is connected with a relief pipe 14, and a relief valve 13 is arranged on the relief pipe 14.
The pressure gauge port 5 is connected with a pressure gauge for monitoring the pressure in the tank body 8 in real time.
The controller is electrically connected with the safety valve 13 and the pressure gauge.
The input end of the controller is connected with the output end of the pressure gauge, the output end of the controller is connected with the input end of the safety valve 13, the pressure in the tank body 8 can be set by using the controller, when the pressure gauge monitors that the pressure in the tank body 8 is higher than the set pressure, a signal is transmitted to the controller, the controller controls the safety valve 13 to be opened, and the tank body 8 can be timely diffused through the safety valve port 3 and the diffusing pipe 14 to reduce the pressure in the tank body 8, so that safety is guaranteed.
The tank body 8 is also provided with a manhole 7, and the manhole 7 is used for inspection.
The working principle is as follows: waste liquid generated by a natural gas station and a natural gas pressure regulating station flows into a tank body 8 through a drain pipe 9 and a sewage inlet 1 for storage, a set liquid level meter can monitor the liquid level in the tank body 8 in real time, when the liquid level in the tank body 8 is higher than a liquid level value set by a controller, the liquid level meter transmits a signal to the controller, the controller controls a first valve 10 to be closed and controls a second valve 12 and a third valve 15 to be opened simultaneously, fuel gas enters the tank body 8 through a fuel gas pipe 11, and the waste liquid in the tank body 8 is conveyed to a centralized collecting and transporting vehicle of an environmental protection department through a waste liquid outlet 4 by utilizing pressure difference;
the pressure gauge can monitor the pressure in the tank body 8 in real time, the controller can set the pressure in the tank body 8, when the pressure gauge monitors that the pressure in the tank body 8 is higher than the set pressure, a signal is transmitted to the controller, the controller controls the safety valve 13 to be opened, and the tank body 8 can timely diffuse and reduce the pressure in the tank body 8 through the safety valve port 3 and the diffusing pipe 14 so as to ensure safety;
when the underground waste liquid storage tank is annual inspected, workers can enter the tank body 8 through the manhole 7 for inspection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The underground waste liquid storage tank comprises a controller and a tank body (8), and is characterized in that a sewage inlet (1) is formed in one side of the tank body (8), and a gas inlet (2) for introducing gas in a station, a safety valve port (3), a waste liquid outlet (4), a pressure gauge port (5) and a liquid level gauge port (6) provided with a liquid level gauge are formed in the tank body (8);
the sewage inlet (1) is connected with a sewage discharge pipe (9), and a first valve (10) is arranged on the sewage discharge pipe (9);
the gas inlet (2) is connected with a gas pipe (11), and a second valve (12) is arranged on the gas pipe (11);
a third valve (15) is arranged at the waste liquid discharge port (4), and the waste liquid discharge port (4) is connected with a centralized collection and transportation vehicle of an environmental protection department;
the controller is electrically connected with the liquid level meter, the first valve (10), the second valve (12) and the third valve (15).
2. A subterranean waste liquid storage tank according to claim 1, wherein a relief pipe (14) is connected to the relief valve port (3), and a relief valve (13) is provided on the relief pipe (14).
3. A subsurface waste liquid tank according to claim 2, characterized in that the pressure gauge port (5) is connected to a pressure gauge for real-time monitoring of the pressure in the tank (8).
4. A subsurface waste liquid tank as claimed in claim 3, wherein said controller is electrically connected to a safety valve (13) and a pressure gauge.
5. A subsurface waste liquid storage tank according to any of claims 1-4, characterized in that the tank body (8) is further provided with a manhole (7).
6. A subsurface waste liquid tank according to claim 5, characterized in that the manhole (7) is used for inspection purposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064298.2U CN217075623U (en) | 2022-01-11 | 2022-01-11 | Underground waste liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064298.2U CN217075623U (en) | 2022-01-11 | 2022-01-11 | Underground waste liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217075623U true CN217075623U (en) | 2022-07-29 |
Family
ID=82543353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220064298.2U Active CN217075623U (en) | 2022-01-11 | 2022-01-11 | Underground waste liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217075623U (en) |
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2022
- 2022-01-11 CN CN202220064298.2U patent/CN217075623U/en active Active
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