CN219955075U - System for preventing gas leakage - Google Patents

Abstract

The utility model relates to a system for preventing coal gas leakage, which comprises a coal gas main pipeline, wherein a water seal body is fixedly connected to the coal gas main pipeline, an overflow pipe is fixedly connected to the water seal body, the output end of the overflow pipe is fixedly connected to a closed water tank, a water discharging device is fixedly connected to the closed water tank, an exhaust device is fixedly connected to the closed water tank, and the exhaust device is fixedly connected with a diffusing pipe.

Description

System for preventing gas leakage

Technical Field

The utility model relates to the technical field of gas leakage control, in particular to a system for preventing gas leakage.

Background

In the production of the coal coking process, water seals are arranged at the tail ends of the main coal gas pipes to prevent coal gas from leaking, however, overflow water of the water seal tank at the tail ends of the current coal gas pipes is directly discharged into an open water tank through an overflow pipe, and the coal gas leaks into a basement through the overflow pipe when the pressure of the coal gas fluctuates, so that a coal gas probe alarms and carbon monoxide exceeds the standard.

Disclosure of Invention

Therefore, the utility model provides a system for preventing gas leakage, which is used for solving the problems of warning of a gas probe and exceeding of carbon monoxide caused by leakage of gas to a basement through an overflow pipe when the pressure of the gas fluctuates because overflow water of a water seal tank at the tail end of a gas pipeline is directly discharged to a water tank through the overflow pipe in the prior art.

In order to achieve the above purpose, the utility model provides a system for preventing gas leakage, which comprises a gas main pipeline, wherein a water seal body is fixedly connected to the gas main pipeline, an overflow pipe is fixedly connected to the water seal body, the output end of the overflow pipe is fixedly connected with a closed water tank, a drainage device is fixedly connected to the closed water tank, an exhaust device is fixedly connected to the closed water tank, and the exhaust device is fixedly connected with a diffusing pipe.

Further, a plurality of condensate pipes are fixedly connected to the main gas pipeline, and each condensate pipe is fixedly connected with the closed water tank.

Further, the water draining device is fixedly connected with the water seal body through a guide pipe.

Further, a liquid level detector is fixedly arranged in the closed water tank, the liquid level detector can detect the water level in the closed water tank, a gas detector is fixedly arranged at the inner top of the closed water tank, and the gas detector can detect the gas content in the closed water tank.

Further, the drainage device comprises a drainage pipe, a water suction pump and a first control valve, wherein the drainage pipe is fixed at the drainage end of the closed water tank, and the water suction pump and the first control valve are sequentially fixed on the drainage pipe.

Further, exhaust apparatus includes a plurality of exhaust holes, and a plurality of exhaust holes are fixed to be set up at airtight basin top, and fixedly connected with on the exhaust holes diffuses the pipe, be fixed with the second control valve on the pipe that diffuses.

Further, baffle plates are sequentially and fixedly arranged on the inner side wall of the exhaust hole from top to bottom.

Further, the liquid level detector and the gas detector are respectively and electrically connected with the controller in a transmission way, and the water pump, the first control valve and the second control valve are electrically connected with the controller in a control way.

Compared with the prior art, the utility model has the beneficial effects that: the water sealing body overflow pipe and the condensate pipe are respectively and directly connected into the airtight water tank, so that coal gas can be prevented from leaking to the basement, the air quality of the basement is ensured, the coal gas probe is prevented from alarming, carbon monoxide exceeds standard, and potential safety hazards are prevented.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of a partial structure according to the present utility model.

In the figure: the gas main pipeline 1, the water seal body 2, the overflow pipe 3, the closed water tank 4, the drainage device 5, the exhaust device 6, the diffusing pipe 7, the condensed water pipe 8, the liquid level detector 9, the gas detector 10, the drain pipe 11, the water suction pump 12, the first control valve 13, the exhaust hole 14, the second control valve 15 and the controller 16.

Detailed Description

In order that the objects and advantages of the utility model will become more apparent, the utility model will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Referring to fig. 1, which is a schematic diagram of the structure of the present utility model, the present utility model discloses a system for preventing gas leakage, comprising a main gas pipe 1, wherein a water seal body 2 is fixedly connected to the main gas pipe 1, an overflow pipe 3 is fixedly connected to the water seal body 2, an output end of the overflow pipe 3 is fixedly connected to a closed water tank 4, a water draining device 5 is fixedly connected to the closed water tank 4, an air exhausting device 6 is fixedly connected to the closed water tank 4, and the air exhausting device 6 is fixedly connected to a diffusing pipe 7. The water draining device 5 is fixedly connected with the water seal body 2 through a conduit.

Specifically, through the overflow pipe of the water seal body 2, the water seal body is directly connected into the airtight water tank 4, so that coal gas can be prevented from leaking to a basement, the air quality of the basement is ensured, a coal gas probe is prevented from alarming, carbon monoxide exceeds standard, potential safety hazards are prevented, meanwhile, the exhaust device 6 is fixedly connected with the exhaust pipe 7, the overflowed coal gas can be directly discharged through the exhaust pipe 7, water in the airtight water tank 4 can be recycled to the water seal body 2 by utilizing a conduit on the water discharge device 5, the supplement effect is realized, the reutilization of water resources is formed, and the consumption of the resources is reduced.

The gas main pipeline 1 is also fixedly connected with a plurality of condensate pipes 8, and each condensate pipe 8 is fixedly connected with the closed water tank 4.

Specifically, the condensate pipe 8 is directly connected to the closed water tank 4, so that gas can be further prevented from leaking to the basement, and the air quality of the basement is further ensured.

The sealed water tank 4 is internally and fixedly provided with a liquid level detector 9, the liquid level detector 9 can detect the water level in the sealed water tank 4, the top in the sealed water tank 4 is fixedly provided with a gas detector 10, and the gas detector 10 can detect the gas content in the sealed water tank 4.

Specifically, the water level in the closed water tank 4 can be detected by the liquid level detector 9, and the gas content in the closed water tank 4 can be detected by the gas detector 10.

The drainage device 5 comprises a drainage pipe 11, a water suction pump 12 and a first control valve 13, wherein the drainage pipe 11 is fixed at the drainage end of the closed water tank 4, and the water suction pump 12 and the first control valve 13 are sequentially fixed on the drainage pipe 11.

Specifically, the water in the sealed water tank 4 can be discharged through the drain pipe 11 by the action of the suction pump 12.

The exhaust device 6 comprises a plurality of exhaust holes 14, the exhaust holes 14 are fixedly arranged at the top of the closed water tank 4, the exhaust holes 14 are fixedly connected with a diffusing pipe 7, and a second control valve 15 is fixedly arranged on the diffusing pipe 7. Baffles are sequentially and fixedly arranged on the inner side wall of the exhaust hole 14 from top to bottom.

Specifically, by providing the plurality of exhaust holes 14, the overflowed gas can be discharged through the diffuser pipe 7.

The liquid level detector 9 and the gas detector 10 are respectively and electrically connected with a controller 16 in a transmission way, and the water pump 12, the first control valve 13 and the second control valve 15 are electrically connected with the controller 16 in a control way.

Specifically, by using the control function of the controller 16 and the detection function of the liquid level detector 9 and the gas detector 10, the water pump 12, the first control valve 13 and the second control valve 15 can be controlled to be correspondingly started, so that the whole system can be operated more reliably.

In actual use, the overflow pipe 3 is fixedly connected with the closed water tank 4, so that after the overflow pipe 3 overflows, water overflowed from the overflow pipe can directly flow into the closed water tank 4, and condensed water collected by the plurality of condensed water pipes 8 also flows into the closed water tank 4 for collection;

when the liquid level in the closed water tank 4 reaches a certain height, the liquid level detector 9 transmits a signal to the controller 16, the controller 16 starts to control the water suction pump 12 and the first control valve 13 to be started respectively, so that water discharge operation can be realized, and after water discharge is finished to a certain degree, the controller 16 controls the water suction pump 12 and the first control valve 13 to be closed;

when overflowed water or condensed water collected by the condensed water pipe 8 carries coal gas to enter the closed water tank 4, the coal gas detector 10 can detect the content of the coal gas in the closed water tank 4, after reaching a certain degree, the coal gas detector transmits a signal to the controller 16, the controller 16 can control the second control valve 15 to be opened, and then the coal gas enters the diffusing pipe 7 through the air vent 14 to realize the emission;

meanwhile, in the discharging process, as the baffle plates are sequentially and fixedly arranged on the inner side wall of the exhaust hole 14 from top to bottom, a certain gas-liquid separation effect can be realized, the liquid is reduced from entering the discharge pipe 7, and the discharge pipe 7 is prevented from being corroded.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will be within the scope of the present utility model.

The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model; various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The system for preventing gas leakage comprises a gas main pipeline, wherein a water seal body is fixedly connected to the gas main pipeline, and an overflow pipe is fixedly connected to the water seal body.

2. The system for preventing gas leakage according to claim 1, wherein a plurality of condensate pipes are fixedly connected to the main gas pipe, and each condensate pipe is fixedly connected to the closed water tank.

3. The system for preventing gas leakage according to claim 1, wherein the water drain is fixedly connected to the water seal body through a conduit.

4. A system for preventing gas leakage according to claim 2 or 3, wherein a liquid level detector is fixedly arranged in the closed water tank, the liquid level detector can detect the water level in the closed water tank, a gas detector is fixedly arranged at the top in the closed water tank, and the gas detector can detect the gas content in the closed water tank.

5. The system for preventing gas leakage according to claim 4, wherein the water discharging means comprises a water discharging pipe, a water suction pump and a first control valve, the water discharging pipe is fixed at a water discharging end of the airtight water tank, and the water suction pump and the first control valve are sequentially fixed on the water discharging pipe.

6. The system for preventing gas leakage according to claim 5, wherein the exhaust means comprises a plurality of exhaust holes fixedly provided at the top of the closed water tank, and a blow-off pipe fixedly connected to the plurality of exhaust holes, and a second control valve is fixed to the blow-off pipe.

7. The system for preventing gas leakage according to claim 6, wherein baffles are fixedly arranged on the inner side wall of the exhaust hole from top to bottom in sequence.

8. The system for preventing gas leakage according to claim 6, wherein the liquid level gauge and the gas gauge are respectively in transmission electrical connection with a controller, and the water pump, the first control valve and the second control valve are in control electrical connection with the controller.