Non-refillable steel cylinder with safety valve and self-adaptive pressure relief method for non-refillable steel cylinder with safety valve

Abstract

The invention relates to a non-refillable steel cylinder with a safety valve and a self-adaptive pressure relief method for the non-refillable steel cylinder with the safety valve, and the non-refillable steel cylinder can automatically adapt to pressure relief, conveniently controls leakage amount of filled objects, and is relatively high in safety performance. According to the technical scheme adopted by the invention, the non-refillable steel cylinder with the safety valve comprises a steel cylinder body with a pressure relief hole. The non-refillable steel cylinder with the safety valve is characterized in that the safety valve which automatically adapts to pressure relief is arranged in the pressure relief hole, wherein the safety valve is welded to the pressure relief hole of the steel cylinder body. The non-refillable steel cylinder can realize control on leakage amount of the filled objects, and greatly reduces occurrence of potential safety hazards.

Description

technical field [0001] The invention relates to a non-refillable steel cylinder with a safety valve and an adaptive pressure relief method thereof. Background technique [0002] At present, a bursting disc (overpressure relief device) is installed on a non-refillable steel cylinder to realize the safe use of the steel cylinder. When the pressure in the cylinder reaches the rated bursting pressure value of the bursting disc, the bursting disc will rupture and start to discharge The medium in the cylinder can prevent the explosion of the cylinder from causing more serious harm. But this kind of bursting disc cylinder has the following four defects in use: [0003] 1. If the structural steel cylinder is filled with flammable or flammable refrigerants such as R32, R1234yf and other media, in a fire environment, the fire loss will be increased due to the overpressure of the bursting disc; [0004] 2. Once the rupture disc ruptures, it cannot be closed, and the refrigerant in th...

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Problems solved by technology

[0003] 1. If the structural steel cylinder is filled with flammable or flammable refrigerants such as R32, R1234yf and other media, in a fire environment, the fire loss will be increased due to the overpressure of the bursting disc;

[0004] 2. Once the rupture disc is broken, it cannot be closed, and the refrigerant in the cylinder will leak into the air due to the high pressure, causing economic losses and environmental pollution

[0005] 3. When the rupture disc ruptures, the refrigerant will be sprayed out of the steel cylinder at the fastest speed, and the liquid will instantly turn into gas, which will take away a lot of heat, and there is a risk of frostbite for the operating workers

[0006] 4. If the cylinder of this structure is activated by the bursting disc during the high-altitude operation, the recoil force will be generated due to the large amount of gas ejected, and there may be a risk of falling from high altitude

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