CN-224215143-U - Emptying gas recovery device

Abstract

The utility model discloses an emptying gas recovery device which comprises a gas recovery tank, a flow distribution valve, an intelligent control module and a pressure regulating valve, wherein the gas recovery tank is provided with a gas inlet, a gas outlet, a water inlet and a water outlet, a pressure sensor is arranged in the gas recovery tank, the flow distribution valve is arranged between a gas pipeline and a main emptying pipeline, the gas inlet is connected with the flow distribution valve through the gas pipeline, the pressure regulating valve is arranged on the gas pipeline, the intelligent control module is in signal connection with the flow distribution valve, the pressure regulating valve and the pressure sensor, and the flow distribution valve is in linkage control connection with the pressure sensor through the intelligent control module. The utility model can uniformly collect and store the gas in the gas transmission pipeline of the gas transmission station, avoid directly discharging the gas into the atmosphere or directly emptying and burning, reduce the atmospheric pollution and improve the resource utilization rate, has high degree of automation, can dynamically regulate and control the gas quantity and the gas pressure in the gas recovery tank, prevents potential safety hazard and has strong practicability.

Inventors

• TAO YIHUI
• CHEN LONG
• LIU ZIYI

Assignees

• 常熟市飞奥压力容器制造有限公司

Dates

Publication Date

20260508

Application Date

20250528

Claims (5)

1. 1. The emptying gas recovery device is characterized by comprising a gas recovery tank, a flow distribution valve, an intelligent control module and a pressure regulating valve; The gas recovery tank is provided with a gas inlet, a gas outlet, a water inlet and a water outlet, and a pressure sensor is arranged in the gas recovery tank; the flow distribution valve is arranged between the gas pipeline and the main emptying pipeline; The air inlet of the air recovery tank is connected with the flow distribution valve through an air inlet pipeline; The pressure regulating valve is arranged on the air inlet pipeline; The intelligent control module is in signal connection with the flow distribution valve, the pressure regulating valve and the pressure sensor, the flow distribution valve is in linkage control connection with the pressure sensor through the intelligent control module, and the opening degree is dynamically regulated according to feedback data of the pressure sensor.
2. 2. The blowdown gas recovery device of claim 1, wherein the inlet pipe and the flow distribution valve are connected by a magnetic sealing flange.
3. 3. The apparatus according to claim 1, wherein a shutoff valve is provided in each of the gas supply pipe and the gas supply pipe upstream of the flow distribution valve.
4. 4. The blowdown gas recovery device of claim 1, wherein the pressure sensor is located at the top of the gas recovery tank and has a vertical height above the highest level line of the water inlet and outlet.
5. 5. The device for recycling the discharged air according to claim 1, wherein the water inlet is connected with a water source through a high-pressure water pump, the water outlet is provided with a drain valve, and the intelligent control module controls the opening and closing of the high-pressure water pump and the drain valve to realize air replacement.

Description

Emptying gas recovery device Technical Field The utility model relates to the technical field of recovery of the atmospheric gases of natural gas transmission stations, in particular to a recovery device of the atmospheric gases. Background When the existing natural gas transmission station is overhauled or maintained, a direct emptying combustion method is generally adopted to treat residual gas in a pipeline, so that a large amount of natural gas energy sources are wasted, the combustion efficiency is low, and a large amount of CO 2、NOx and other gases can be generated to exacerbate greenhouse effect and pollute air. The existing gas recovery device has the problems of complex equipment, huge equipment volume, adoption of a multi-stage compression gas storage design, narrow application range and the like, and is difficult to popularize and apply in medium-and-small-sized gas transmission stations. Disclosure of utility model The present utility model solves the above-mentioned problems of the prior art by providing an blowdown gas recovery device. In order to solve the technical problems, the utility model provides an emptying gas recovery device, which comprises a gas recovery tank, a flow distribution valve, an intelligent control module and a pressure regulating valve; The gas recovery tank is provided with a gas inlet, a gas outlet, a water inlet and a water outlet, and a pressure sensor is arranged in the gas recovery tank; the flow distribution valve is arranged between the gas pipeline and the main emptying pipeline; The air inlet of the air recovery tank is connected with the flow distribution valve through an air inlet pipeline; The pressure regulating valve is arranged on the air inlet pipeline; The intelligent control module is in signal connection with the flow distribution valve, the pressure regulating valve and the pressure sensor, the flow distribution valve is in linkage control connection with the pressure sensor through the intelligent control module, and the opening degree is dynamically regulated according to feedback data of the pressure sensor. In a preferred embodiment of the utility model, the air inlet pipe and the flow distribution valve are connected through a magnetic sealing flange. In a preferred embodiment of the present utility model, a shut-off valve is installed on the gas inlet pipe and on the gas pipe upstream of the flow distribution valve, respectively. In a preferred embodiment of the utility model, the pressure sensor is located at the top of the gas recovery tank and is vertically higher than the highest liquid level line of the water inlet and the water outlet. In a preferred embodiment of the utility model, the water inlet is connected with a water source through a high-pressure water pump, the water outlet is provided with a drain valve, and the intelligent control module controls the opening and closing of the high-pressure water pump and the drain valve to realize gas replacement. The emptying gas recovery device has the beneficial effects that the gas in the gas transmission pipeline of the gas transmission station can be uniformly collected and stored through the gas recovery tank, the flow distribution valve, the intelligent control module and the pressure regulating valve, the gas is prevented from being directly discharged into the atmosphere or directly emptying and burning, the atmospheric pollution is reduced, the resource utilization rate is improved, the automation degree of the device is high, the gas quantity and the gas pressure in the gas recovery tank can be dynamically regulated and controlled, the potential safety hazard is prevented, and the practicability is high. Drawings FIG. 1 is a schematic perspective view of a vent gas recovery device according to a preferred embodiment of the present utility model; The components in the drawings are marked as follows: 10. A gas recovery tank 11, a gas inlet 12, a gas outlet 13, a water inlet 14, a water outlet 15, a pressure sensor 16, a high-pressure water pump 17, a drain valve 18, a shut-off valve, 20. Flow distribution valve 30, intelligent control module 40, pressure regulating valve 50, gas pipeline 60 and main emptying pipeline. Detailed Description The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model. Referring to fig. 1, an embodiment of the present utility model includes: Example 1 The utility model discloses an emptying gas recovery device which comprises a gas recovery tank 10, a flow distribution valve 20, an intelligent control module 30 and a pressure regulating valve 40. The gas recovery tank 10 is provided with a gas inlet 11, a gas outlet 12, a water inlet 13 and a water outlet 14. The pressure sensor 15 is ins