Climate change has become more frequent in recent days. With the frost receding, winter is approaching. During this time, as outdoor temperatures fluctuate, gas pipelines in residential homes may loosen due to thermal expansion and contraction. Additionally, many people have a weak awareness of gas safety, which can lead to potential hazards in their gas facilities.
According to an official from a city's gas management office, weather changes are common during autumn and winter, with colder temperatures leading to tightly closed doors and windows. This increases the risk of gas poisoning incidents. The public is advised to regularly inspect their gas pipelines and appliances, and to be vigilant about safe gas usage.
**Pipeline Gas: Do Not Tamper with Gas Facilities**
When using gas, users should first turn on the gas source valve before opening the stove valve. When not in use, the gas source valve should be turned off first, followed by the stove valve. It’s important to never close only the stove valve. The gas source valve should be easily accessible. Before going to bed or leaving the house, users should check that all gas valves are properly closed. Parents should also educate children not to play with gas valves.
While cooking, never leave the stove unattended. If liquid overflows or wind extinguishes the flame, it could lead to gas leaks. When using a gas water heater, ensure proper ventilation by opening windows. Family members should check on each other during bathing. Never use gas for direct heating of the home.
It is strictly prohibited for users to modify gas pipelines or meters without professional assistance. Any modifications must be done by licensed professionals after applying to the gas supplier. To detect gas leaks promptly, gas users must install gas alarms and follow the manufacturer's instructions carefully.
**Bottled Liquefied Petroleum Gas: Use Cylinders Safely**
When using bottled gas, always open the cylinder's angle valve first, then the front valve. When turning off, close the angle valve first, then the front valve. Never close just one valve. Avoid leaving the stove unattended, as overflow or wind could cause a fire or gas leak. Do not heat the cylinder, shake it, or place it horizontally. Never use expired cylinders or attempt to drain residual gas. Always check the cylinder valves after use to prevent leaks. Installing a gas alarm is essential for safe usage.
**Cookers: Choose Certified Brands**
When purchasing a gas stove or water heater, make sure the product is listed in the "Dalian Gas Appliances Gas Source Adaptability Inspection Qualified Catalogue." If it is not on the list, it may not be suitable for Dalian's gas supply. Check for the "gas source adaptability test qualified mark" on the packaging. Also, choose appliances according to your gas type—natural gas appliances for natural gas users, and liquefied petroleum gas appliances for LPG users.
**Gas Hoses: Use Only Gas-Grade Hoses**
Gas stoves must be connected using gas-specific hoses. Never use medical, water, acetylene, or plastic hoses. Metal hoses with screw connections are recommended. Secure the hose connections with clamps to prevent leaks. The hose length should not exceed two meters, as longer hoses may reduce gas pressure and increase the risk of disconnection. Avoid placing the hose near the stove surface to prevent aging or burning. Regularly inspect the hose for signs of wear, cracks, burns, or rodent damage, and replace it annually.
**Related Links**
**If You Detect a Gas Leak**
Immediately close the main gas valve, evacuate the area, and open windows for ventilation. Avoid using any ignition sources or electrical devices. Call the gas company from a safe location—Dalian Gas Company at 96177 for natural gas, or your local supplier for LPG. Do not re-enter until the smell is gone and the issue is resolved. Never use matches or lighters to ignite gas leaks, and avoid entering areas with high gas concentration.
**How to Respond to Gas Poisoning**
If someone is poisoned, remain calm. Rescue personnel should wear protective gear and cover their nose and mouth with a damp cloth. Avoid wearing shoes with metal soles to prevent sparks. Open windows to ventilate the area, move the victim to fresh air, and loosen their clothing. If unconscious, lay them flat and perform CPR if needed. Immediately contact emergency services (120) and take the victim to a hospital equipped with a hyperbaric oxygen chamber.
(Ke Cun)
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