In 2014 , there were more than 150 gas explosions , more than 370 dead and wounded , and economic losses amounted to 30 million yuan. Gas leakage is the root cause of gas explosions. Common causes of gas leakage are:
First, the gas hose is broken and falls off, causing gas leakage.
30% of the gas leakage incidents are caused by the rupture and falling of the hose, which causes the hose to rupture and fall off:1. The clamp is not clamped at both ends of the hose or the clamp is loose.
2 , the hose is overdue, aging cracking.
3 , the use of corrosion-resistant, aging inferior hose.
4 , neglect to prevent the hose from being bitten by a mouse, sharp objects, etc.
Second, the indoor gas pipeline is damaged, resulting in gas leakage.
The main reasons for damage to indoor gas pipelines are:1. Long-term exposure to water or corrosive substances, resulting in corrosion of pipes.
2 , the external decoration of the home decoration, wall hanging items, etc., so that the pipe interface is loose.
3. The anti-corrosion paint (layer) of the pipeline is not cleaned up in time, and the metal is in contact with the air for a long time, which causes corrosion of the pipeline.
Third, the gas meter is damaged, resulting in gas leakage.
The main causes of gas meter leakage:1. Overdue use of internal components aging, resulting in gas leakage.
2 , external force is broken, causing damage to the gas meter body or joint, resulting in leakage.
Fourth, the ignition of the gas cooker failed, resulting in gas leakage.
The reasons for gas ignition failure are:
1. The damper is not adjusted well. The air inlet is too big and the air is too much.
2. The ignition contact forms dirt or the micro switch fails.
3. The battery is dead.
4 , poor circuit contact .
5 , overvoltage protection .
6 , pipe blockage .
7 , improper ignition needle position .
Fifth, the liquid in the pot overflows, pouring out the burning flame, causing the gas to leak.
The reasons for the liquid spill in the pot are:1. The boiling of the fire occurs and the treatment is not timely.
2 , forget the time of soup, porridge, the staff left for a long time.
Sixth, forgetting to close the gas valve, causing gas leakage.
The reasons for forgetting to close the gas valve are:1. Lack of awareness of closing the valve.
2 , emergency exit or emergency handling.
3 , the elderly or children forget to close the valve.
4. After the gas is stopped, there is no gas supply for a short time.
Seventh, the gas valve interface is damaged, resulting in gas leakage.
Causes of gas valve damage:1. Long-term switching valve, the valve is loose.
2 , lost years of repair.
3. The valve is corroded.
Eighth, the gas cooker is damaged, resulting in leakage and explosion.
Reasons for damage to the gas cooker:1. The gas stove itself has been in disrepair for a long time.
2 , the quality of the gas stove is not qualified.
3 , human external force touch and friction lead to damage.
Ninth, privately change the gas pipeline, causing gas leakage.
Reasons for privately changing the pipeline:1. For the interior beauty, the gas pipeline is modified privately.
2. In order to increase the gas facilities, a three-way extension pipeline will be added.
3 , greedy for small interests, for the gas meter does not measure or less metering, stealing the pipeline.
Tenth, the gas company violated the regulations, resulting in gas leakage.
The gas company's illegal operations mainly include:1. The gas-related units are not replaced in the new commissioning pipe network or pipe network maintenance.
2. Pipes that have not been accepted for acceptance or decommissioned are blindly put into operation.
3. Ventilation is performed without full inspection of the equipment during replacement or repair.
4. If the accidental leakage occurs, it will not arrive at the scene in time or cause a second leak to take appropriate disposal measures.
5. Failure to carry out regular security inspections or security inspections and publicity in accordance with the regulations.
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