CN-117739278-B - Gas system voltage stabilizer

Abstract

The invention provides a gas system pressure stabilizing device, which is used for storing surplus high-pressure gas in a system by arranging a high-pressure gas storage bin, and releasing the surplus high-pressure gas back to the system when the gas system is at low pressure so as to stabilize the pressure of the gas system and realize peak clipping and valley filling. The pressure stabilizing device of the gas system comprises a high-pressure gas storage bin and a buffer bin which are separated by a partition plate, wherein an upstream gas supply end of the gas system is communicated with the buffer bin through a gas inlet pipe provided with a regulating valve, a gas outlet pipe connected with a downstream gas end is communicated with the buffer bin, a gas storage one-way valve and a gas release one-way valve are respectively arranged on the partition plate, when the pressure in the buffer bin is higher than the pressure in the high-pressure gas storage bin, the gas storage one-way valve is opened to enable gas to flow from the buffer bin to the high-pressure gas storage bin for storage, and when the pressure difference between the high-pressure gas storage bin and the buffer bin reaches the opening pressure of the gas release one-way valve, the gas release one-way valve is opened to enable the gas to flow from the high-pressure gas storage bin to the buffer bin.

Inventors

• DONG JIYUAN
• ZHANG JUN
• WEI YUAN
• ZHENG TAO
• ZHANG BO

Assignees

• 山东电力建设第三工程有限公司

Dates

Publication Date

20260505

Application Date

20231204

Claims (5)

1. 1. A gas system pressure stabilizing device is characterized by being used for buffering unbalance of consumption and pressure between a downstream gas end and an upstream gas supply end, and comprising a high-pressure gas storage bin (1) and a buffer bin (2) which are separated by a partition plate (5); the upstream air supply end of the air system is communicated with the buffer bin (2) through an air inlet pipe (11) provided with an adjusting valve (13), and an air outlet pipe (12) connected with the downstream air supply end is communicated with the buffer bin (2); The partition board (5) is respectively provided with a gas storage one-way valve (7) and a gas release one-way valve (8); When the gas consumption of the downstream gas consumption end is reduced, so that the pressure in the surge bin (2) is higher than the pressure in the high-pressure gas storage bin (1), the gas storage check valve (7) is opened, so that gas flows from the surge bin (2) to the high-pressure gas storage bin (1), and the surplus gas in the gas system is stored at a pressure higher than that of the gas supply system; When the gas consumption of the downstream gas consumption end is increased, and the pressure difference between the high-pressure gas storage bin (1) and the buffer bin (2) reaches the opening pressure of the gas release one-way valve (8), the gas release one-way valve (8) is opened, so that gas flows from the high-pressure gas storage bin (1) to the buffer bin (2) and enters a gas supply system to maintain the pressure stability of the gas supply system; The air release check valve (8) is a check valve provided with a counterweight, and the starting pressure of the air release check valve (8) is adjusted by adjusting the weight of the counterweight.
2. 2. The gas system pressure stabilizing device according to claim 1, wherein the upstream gas supply end is communicated with the buffer bin (2) through a quick-opening gas supplementing pipe (10) provided with a bypass check valve (9), and the connecting end of the quick-opening gas supplementing pipe (10) and the upstream gas supply end is positioned upstream of a regulating valve (13) in the gas inlet pipe (11); When the difference between the gas pressure in the quick-opening gas supplementing pipe (10) and the gas pressure in the buffer bin (2) is larger than the starting pressure of the bypass one-way valve (9), the bypass one-way valve (9) is opened to supplement gas to the buffer bin (2) in an emergency.
3. 3. The gas system pressure stabilizing device as claimed in claim 1 or 2, wherein a safety valve (6) is arranged on the wall of the high-pressure gas storage bin (1).
4. 4. A gas system pressure regulating device according to claim 1 or 2, wherein the gas system pressure regulating device is arranged upstream of a compressor as a downstream gas side.
5. 5. The gas system pressure stabilizing device according to claim 2, wherein the bypass check valve (9) is a check valve provided with a weight, and the activation pressure of the bypass check valve (9) is adjusted by adjusting the weight of the weight.

Description

Gas system voltage stabilizer Technical Field The invention relates to a pressure stabilizing device, in particular to a pressure stabilizing device of a gas system, and belongs to the technical field of gas conveying. Background In the prior art, there are two general methods for maintaining system pressure in a gas delivery process piping system: The system is provided with a regulating valve, the pressure of a downstream user side is stabilized by regulating the opening of the regulating valve, the system has the defects that the valve regulation needs action time to buffer, instantaneous pressure fluctuation cannot be responded, the valve regulation only can stabilize the upstream or downstream pressure, and the pressure stabilization of the whole system cannot be realized when the pressure or flow is transient and the upstream and the downstream cannot be simultaneously realized. The system is provided with a gas storage tank, so that the flow and the pressure fluctuation range are reduced, and the system has the defects that a larger gas storage tank is generally required to be configured in a system with large fluctuation, and the occupied area and the material quantity are increased. Disclosure of Invention In view of the above, the invention provides a gas system pressure stabilizing device, which is used for storing surplus high-pressure gas in a system by arranging a high-pressure gas storage bin, and releasing the surplus high-pressure gas back to the system when the gas system is at low pressure so as to stabilize the pressure of the gas system and realize peak clipping and valley filling. The technical scheme of the invention is that the gas system pressure stabilizing device comprises a high-pressure gas storage bin and a buffer bin which are separated by a baffle plate; The upstream air supply end of the air system is communicated with the surge bin through an air inlet pipe provided with an adjusting valve, and an air outlet pipe connected with the downstream air supply end is communicated with the surge bin; The partition plate is respectively provided with a gas storage one-way valve and a gas release one-way valve; When the pressure in the surge bin is higher than the pressure in the high-pressure gas storage bin, the gas storage one-way valve is opened, so that gas flows from the surge bin to the high-pressure gas storage bin for storage; When the pressure difference between the high-pressure gas storage bin and the buffer bin reaches the opening pressure of the gas release check valve, the gas release check valve is opened, so that gas flows from the high-pressure gas storage bin to the buffer bin. As a preferable mode of the invention, the upstream air supply end is communicated with the buffer bin through a quick-opening air supplementing pipe provided with a bypass one-way valve, and the connecting end of the quick-opening air supplementing pipe and the upstream air supply end is positioned at the upstream of the regulating valve in the air inlet pipe; When the difference between the gas pressure in the quick-opening gas supplementing pipe and the gas pressure in the surge bin is larger than the starting pressure of the bypass one-way valve, the bypass one-way valve is opened to supplement gas to the surge bin in an emergency way. As a preferable mode of the invention, a safety valve is arranged on the wall of the high-pressure gas storage bin. As a preferred mode of the present invention, the gas system pressure stabilizing device is disposed upstream of a compressor as a downstream gas end. As a preferable mode of the present invention, the air release check valve is a check valve provided with a weight, and the starting pressure of the air release check valve is adjusted by adjusting the weight of the weight. As a preferable mode of the present invention, the bypass check valve is a check valve provided with a weight, and the activation pressure of the bypass check valve is adjusted by adjusting the weight of the weight. The beneficial effects are that: (1) The invention uses a partition plate and a one-way valve to take out the surplus high-pressure gas in the gas supply system, stores the surplus high-pressure gas in the high-pressure gas storage bin, releases the surplus high-pressure gas back to the gas supply system when the gas supply system is at low pressure to stabilize the pressure of the gas supply system, realizes peak clipping and valley filling, realizes the safety of the whole gas supply system, reduces the risks caused by pressure fluctuation of system pipes and equipment, effectively controls and improves the damages such as vibration, noise, material fatigue and the like caused by the pressure fluctuation of the original pipeline gas supply system, and compared with a conventional gas storage bin, the invention adopts the high-pressure gas storage bin, reduces the volume and the material consumption (namely, compared with the conventional gas storage bin without