Climate change has become increasingly common in recent days. As the frost recedes, winter is approaching, and with fluctuating temperatures, gas pipelines in residential homes may loosen due to thermal expansion and contraction. At the same time, many people lack awareness of gas safety, leading to potential hazards in their gas facilities.
According to a representative from a city's gas management office, frequent weather changes during autumn and winter often lead to colder temperatures and more tightly closed doors and windows, increasing the risk of gas poisoning incidents. The public is advised to regularly inspect gas pipelines and appliances, and to be cautious when using gas to ensure safety.
**Pipeline Gas: Do Not Tamper with Gas Facilities**
When using gas, users should first open the gas source valve before turning on the stove. When gas is not in use, the gas source valve should be turned off first, followed by the stove valve. It is important that the gas supply valve is easily accessible. Before going to bed or leaving the house, users should check if the gas valve is fully closed. Parents should also educate children not to play with gas valves.
While cooking, never leave the stove unattended, as boiling liquids might overflow or wind could extinguish the flame, causing a gas leak. When using a gas water heater, keep windows slightly open to ensure proper ventilation. Family members should periodically check on each other during bathing. Never use gas directly for heating purposes.
It is strictly prohibited for users to modify gas pipelines or meters without professional assistance. Any changes must be applied for through the gas supplier and carried out by qualified professionals. To detect gas leaks promptly, all users should install gas alarms and follow the manufacturer’s instructions for installation and usage.
**Bottled Liquefied Petroleum Gas: Use Cylinders Safely**
When using bottled gas, always open the cylinder’s angle valve first, then the front valve. When closing, turn off the angle valve first, followed by the front valve. Never just close one valve. Never leave the stove unattended while cooking, as spills or wind could cause the flame to go out, leading to gas leakage. Avoid heating the cylinder, shaking it, lying it down, or sleeping near it. Do not drain the residual liquid or use an expired cylinder.
After each use, make sure both the cylinder angle valve and the front valve are properly closed to prevent leaks. Installing a gas alarm is essential for safe operation.
**Cookers: Choose Certified Brands**
When purchasing a gas stove or water heater, users should check whether the product is listed in the “Dalian Gas Appliances Gas Source Adaptability Inspection Qualified Catalogue.†If it is not on the list, the product may not have been tested for compatibility with Dalian’s gas supply. The seller should provide this information. Also, look for the “gas source adaptability test qualified mark†on the product packaging. Choose appliances that match your gas type—natural gas appliances for natural gas users, and liquefied gas appliances for those using bottled gas.
**Gas Hoses: Use Only Gas-Approved Hoses**
Gas stoves should be connected using approved gas hoses, not medical, water, acetylene, or plastic hoses. Metal hoses with screw connections are recommended. Ensure the hose clamps at both ends are securely fastened to prevent leaks. The length of the hose should not exceed two meters, as longer hoses can reduce gas pressure and increase the risk of disconnection. Never place the hose near the stove surface to avoid damage from heat. Regularly inspect the hose for signs of aging, cracking, burning, or rodent damage, and replace it immediately if necessary. It is recommended to replace the gas hose annually.
**Related Links**
**If You Detect a Gas Leak**
If you smell gas, quickly shut off the main gas valve, evacuate the area, and open windows to ventilate. Avoid using any sources of ignition or electrical switches. Call the gas company from a safe location—dial 96177 for Dalian Gas Company, or the relevant provider for liquefied petroleum gas. Leave the area until the smell is gone and repairs are completed. Never use matches or lighters to ignite gas leaks, and do not enter a gas-filled room. Never attempt to fix gas appliances yourself.
**How to Handle Gas Poisoning**
If someone shows signs of gas poisoning, stay calm and take precautions. Rescue workers should wear protective gear and cover their nose and mouth with a damp cloth to reduce inhalation. Avoid wearing shoes with metal soles to prevent sparks. Open windows for ventilation, move the victim to a well-ventilated area, and loosen clothing to help them breathe. If unconscious, lay the person flat and perform artificial respiration. Immediately contact emergency services (120) and transport the victim to a hospital equipped with a hyperbaric oxygen chamber for treatment.
( Ji Cun )
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