Handling Instructions

1. Cylinders must be stored in well-ventilated areas, with a distance of at least 1.5 meters from any fire or heat source. Cylinders should never be heated with fire, boiled, or left exposed to direct sunlight. Regularly inspect the gas cylinder valves and pipeline joints for leaks, ensuring they remain airtight. Typically, soap and water are used to check for leaks; open flames for testing are strictly prohibited.

2. When igniting, always light the primer first, followed by opening the gas; do not reverse this order. A person should be present during use to prevent the boiling water from overflowing and extinguishing the flame, which could lead to a gas leak and explosion. After using the gas cylinder, make sure to close the valve tightly to prevent any gas leaks.

3. The liquefied gas in the cylinder should not be completely depleted; a certain residual pressure should be maintained. The residual pressure should generally be greater than 49.03 kPa (i.e., 0.5 kg/cm2, gauge pressure) to prevent air from entering the cylinder. After the liquefied petroleum gas is used up, the remaining residue in the cylinder is also a flammable substance and should not be poured out arbitrarily to avoid fires caused by the flow and evaporation of the residue.

4、Liquefied Petroleum GasGas cylinders are pressurized containers that require proper maintenance and regular inspections. Prevent them from falling or being struck during handling and use; do not use metal tools to敲击 open the valve; protect them from direct sunlight and prolonged exposure to rain. Cylinders are typically inspected every 2 years.

5、PetroleumThe explosive range of liquefied gas is not very wide, but due to its low limit, it is easy to ignite and explode upon leakage. Additionally, since LPG is heavier than air, it tends to flow downwards when leaking into the air, accumulating in low-lying areas and posing a hidden danger of gas explosions. Therefore, it is crucial to ensure proper ventilation in areas where gas may leak, not just relying on window ventilation.

6. When a gas leak is detected indoors, immediately open windows and doors for ventilation, allowing the gas to disperse in the direction away from any open flame. No fire is allowed in the vicinity. The area can only be used after the fault is resolved and the distinctive odor has dissipated. Dispose of any leaked liquid on the ground by covering it with sand or soil and then removing it to a safe location. In case of a gas cylinder fire, immediately close the valve, move it to an open area outdoors, and extinguish the fire using dry powder extinguishers, CO2 extinguishers, or by covering it with a wet sack.

7. Educate children not to tamper with gas cylinders carelessly, and users must understand the safety knowledge of using gas cylinders.

1、LPG Storage TankTo ensure safe operation, the pressure and temperature of the liquefied gas storage tank should be controlled to prevent over-temperature and over-pressure phenomena. The causes of over-temperature and over-pressure in the liquefied gas 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 open/close status, and precautions, etc.

(2) Excessive Filling of Liquefied Gases - Measures to prevent over-filling include: strictly filling according to the specified storage capacity; upon discovering over-filling, immediately attempt to remove the excess; all instruments used for filling must be regularly inspected; the level gauge should be flushed periodically; any residual liquid inside the container should be included in the filling quantity; the weight should not be ignored; and when the surrounding temperature rises, spray cooling should be conducted.

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