Precautions for using gas cylinders:

1. Gas cylinders should be stored in a cool, dry place and away from heat sources (such as sunshine, heating and fire). Combustible gas cylinders must be stored separately from oxygen cylinders and secured in an upright position.

2, must not make oil or other flammable organic matter on the cylinder (especially the valve nozzle and pressure reducing valve). Cotton, hemp and other materials shall not be used to plug leaks, to prevent combustion accidents.

3, the use of gas cylinder in the gas, to use the pressure reducing valve (barometer). All kinds of gas barometer should not be mixed, in case of explosion.

4. Do not use up all the gas in the cylinder, but keep the residual pressure above 0.05mpa (pressure relief valve gauge).

5. In order to avoid the confusion of various cylinders and the use of the wrong gas, the cylinder is usually painted with a specific color to distinguish the cylinder, and the name of the gas in the cylinder is written on the cylinder.

When handling, storing and filling, it is important to be alert!

[Precautions for handling, Storage and Filling of gas Cylinders]

1. When moving storage cylinders, shock-proof gaskets should be installed and safety caps tightened to protect the on-off valve, prevent its accidental rotation and reduce collisions.

2. When handling gas cylinders filled with gas, it is best to use special stretchers or carts, and they can also be carried or rotated vertically by hand. But it is never allowed to move the valve by hand.

3. When filling gas cylinders with gas, they should be fixed properly to avoid rolling collision on the way; Loading and unloading vehicles should be handled gently, do not use throwing, sliding or other easy to cause collision methods.

4. Gas cylinders (such as hydrogen and oxygen cylinders) that can cause combustion and explosion after contact with each other should not be carried or stored in the same place, nor mixed with other inflammable and explosive items.

5. If the cylinder body is defective, the safety accessories are incomplete or damaged, and the safe use cannot be guaranteed, it should not be sent to fill the gas, but should be sent to the relevant unit for inspection before it can be used.

The following behavior is my "taboo" easy to cause gas cylinder accidents can not be made! )!

1. Ignore station regulations and bottle regulations and do not operate in accordance with regulations

In the market economy, some people always feel that selling industrial gas is a "cash cow", without the safety review of the relevant local supervision and management departments, and some plants and stations are operating without licenses. No rules, which fangyuan, accidents are so caused.

2.Do not understand the nature of hydrogen and oxygen, ignorance foolhardy blind

Some oxygen station personnel, even the minimum oxygen, hydrogen knowledge do not know, safety awareness is not strong, especially those village office, town office self-employed, foolhardy, at the risk of life. Experts point out that as many as 75 percent of the gas cylinder explosion accidents identified and analyzed are related to private liquid oxygen vaporization stations, individual gas management departments, and oxygen production and filling stations that have not been reviewed by the labor ministry.

3, at any time to recruit personnel, untrained post

Many oxygen filling stations always think that filling workers, bottle workers are rough work, at any time to recruit temporary workers, no training on the post. This kind of circumstance is more common still, should hold a certificate strictly to go up guard.

4, oxygen bottle hydrogen bottle mixed filling, no special bottle special

Mixed filling of hydrogen and oxygen cylinders accounts for a large proportion of gas cylinder explosion fatalities. Hydrogen bottle oxygen bottle thread is different, hydrogen bottle (combustible gas) bottle valve is left rotation, oxygen bottle (non-combustible gas) bottle valve is right rotation, oxygen bottle valve can not fit hydrogen bottle, of course. But some operators ignorant hard installation, resulting in tragedy.

5. Operate in violation of regulations and do not operate according to rules

Some accidents are not according to the operating procedures, illegal operations caused by, such as overpressure caused by explosion, switch valve action too fast, with grease operation, bottles do not check the overdue use, not banned fireworks and so on.

6.Big circulation, big turnover, no inspection, no registration

At present, many oxygen plant stations have large circulation and large turnover of gas cylinders, and due to poor management, bottles are not inspected or registered, they are filled without excess pressure, and the color code is unclear, which is chaotic and disorderly, causing life accidents, and the background is not clear, and there is no gas cylinder file, so it is impossible to investigate.

7, hydrogen and oxygen products are not pure, hydrogen mixed with oxygen, oxygen mixed with hydrogen

Water and electricity solution diaphragm is not tight, oxygen permeated into hydrogen, or hydrogen permeated into oxygen, quality is not pure, when used to reach the limit of hydrogen and oxygen mixture explosion, accidents will occur. Some people say that the oxygen charged from the hydrogen and oxygen stations is "unstable", which is also reasonable and should be noticed by the oxygen pulmers at hydrolyzed hydrogen and oxygen stations.

8, oxygen water into the bottle, corrosion cylinder thinning

Oxygen with water, and the residual water in the cylinder is not poured out on time, the more it accumulates, so that the cylinder is corroded, the wall thickness is reduced, and the "interface corrosion" occurs. In a few cases of bottle explosion, the blast hole occurred at the corrosion interface (interface blasting) or at the wall thinning (thin-wall blasting). Tianmao Gas prompts you to pay special attention to the gas cylinders in contact with seawater. The cylinder inspection period is two years, and the residual pressure of empty cylinders is required to be greater than 0.2mpa. For example, on May 13, 1996, an oxygen cylinder exploded in yantai Gas Compressor General Plant. The reason is that the bottle body is severely corroded and thinned, the thinnest part is only 1.8mm, and the gas cylinder is exposed to the sunlight, and the gas pressure increases, causing explosion in the weak part (no regular inspection is made before explosion). Another example is on September 4, 1996, an oxygen cylinder being filled exploded in Tianjin Huabei Oxygen Factory. After investigation, it was found that the cylinder wall was corroded and thinned (the minimum wall thickness was only 2.2mm) due to seawater pouring back into the cylinder in contact with seawater.

9.Oil can not help but fire, dirty environment, fuzzy color code, explosive oxygen combustion, must ban oil ban fire, this is common sense. Some oxygen plants can stand in the cutting site, waste collection station, etc., filling or welding and cutting operations, the site is full of oil, dirty and messy; Some even try bottle gas with a lighter, there are cigarettes in the mouth to open the oxygen valve, which is hard to avoid explosion accidents. Tianmao Gas prompts you to reduce welding and cutting site bottle explosion casualties, oxygen cylinder, dissolved acetylene cylinder gas pipeline pull a little longer, let the bottle away from the operator some. There is a gas cylinder color unknown, can not tell what is the bottle. Use hydrogen bottle to fill oxygen, many are not obvious color code caused.

10, brutal loading and unloading collision, exposure to pressure boost explosion

It is strictly forbidden to knock or collide the gas cylinder, but it must be moved lightly. However, there is a unloading method of kicking the gas cylinder off the car with one's foot. Gas cylinders should be protected from exposure to the sun. In Hangzhou, a woman washing in a canal was killed when an oxygen cylinder placed on a boat suddenly exploded. The reason is: the bottle by the summer sun exposure (not covered), after the pressure caused explosion. To this end, when loading gas cylinders in summer, there should be shading cover, especially open air stacked cylinders.

Big pump small bottle filling, brewing tragedy

At present, there are many problems in liquid oxygen vaporization filling stations with pump bottles. The bottle explosion accident in Shenyang is caused by the large capacity of the liquid oxygen pump, the small volume of the bottle, the fast speed and the short time, and then the excitation conditions (such as grease, exploding gas, valve closing friction, etc.). There are many gas cylinder explosion accidents and many lessons. Most accidents can be avoided, but because we do not pay attention to the use and operation, resulting in gas cylinder accidents.