Liquefied gas tanks are pressure vessels, and the national requirement is for an annual inspection (with a recommended lifespan of 10 years for simple pressure vessels). Since inspections are conducted, there are products that pass or fail. Generally, due to improper use procedures or inadequate maintenance, businesses may find their liquefied gas tanks fail inspection, necessitating mandatory scrapping. As liquefied gas tanks are special equipment, scrapping requires a specific process. Air compressor liquefied gas tanks are often considered safe special equipment, but if any aspect of manufacturing, design, installation, or usage management is not standardized, accumulated risks could lead to explosion accidents or even more severe consequences. Therefore, we must adhere to the operational procedures for air compressor liquefied gas tanks, avoid shortcuts, or purchase inexpensive tanks from unqualified manufacturers. Tanks containing 1 cubic meter of 10 kg or less are classified as simple pressure vessels and do not require inspection; the national regulation stipulates a 7-year exemption from inspection starting from the manufacturing date on the label, but this applies only to the tank itself.

1、Liquefied Petroleum Gas TankTo ensure safe operation, the pressure and temperature of the LPG storage tank should be controlled to prevent overheating and overpressure. The causes of overheating and overpressure in the LPG storage tank include the following:

(1) Operational Errors To prevent operational errors, warning signs should be posted on critical operation devices. These signs should clearly mark the opening and closing directions of valves, their on/off states, and precautions.

(2) Overfilling of Liquefied Gases - Measures to prevent overfilling include: strictly filling to the specified storage capacity, and if overfilling is detected, immediately attempt to remove the excess; all gauges used for filling must be regularly inspected, and level gauges should be periodically flushed; any residual liquid in the container should be included in the filling quantity; do not ignore its weight; when the surrounding temperature rises, spray cooling should be applied.

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