Oxyacetylene specifications. Does the country have relevant regulations on the storage and use standards of oxygen and acetylene?
Yes, I can’t remember the label. I only know the label of an oxygen cylinder: GB5099.
Oxygen and acetylene use standards. Baidu search for "Safe Use Instructions for Acetylene Bottles" 1. Acetylene bottles should be equipped with special flashback preventers and pressure reducers. If the working location is not fixed and moves a lot, they should be mounted on a special trolley. 2. It is strictly prohibited to knock, collide and apply strong vibration to prevent the porous filler in the bottle from sinking and forming a cavity, which will affect the storage of acetylene. 3. Acetylene bottles should be placed upright and are strictly prohibited from being used lying down. Because using it lying down will cause the acetylene in the bottle to flow out, and even flow into the rafter pipe through the pressure reducer, which is very dangerous. Oxygen acetylene cylinders are required to have an anti-falling device, a safety helmet, and an anti-collision rubber ring. The paint color is normal and there are no obvious scratch marks on the appearance. More than 5 meters apart and more than 10 meters away from the fire point.
Standard practices for oxygen cylinder storage and storage in acetylene and oxygen storage rooms (1) No flammable items should be placed around the warehouse. (2) The temperature inside the warehouse shall not exceed 30°C, and the distance from the heat source open flame shall be 10 meters away.
What is the color of the new national standard oxygen and acetylene hoses? The manufacturing quality is guaranteed in accordance with the national standards GB/T2550-91 "Oxygen Hose" and GB/T2551-92 "Acetylene Hose". The hose should have sufficient compressive strength and flame retardant properties. (1) According to national standards, the oxygen hose is red, the working pressure vessel is 1.5MPa, the inner diameter of the hose is 8mm, and the outer diameter is 18mm; the acetylene hose is black, the working pressure vessel is 0.3MPa, the inner diameter of the hose is 8mm, and the outer diameter is 16mm. (2) When storing and using the hose, you must pay attention to maintenance and keep the hose clean and undamaged. For example, avoid exposure to sunlight, rain and snow, and contact with substances that can damage the hose, such as acids, alkalis, oils, and other organic solvents. The storage temperature is -15~40℃, and the distance from the heat source should be no less than 1m. (3) When using a new hose, the talc powder on the inner wall of the hose must be blown away first to prevent the passage of the welding and cutting torch from being blocked. During use, you should avoid external extrusion and mechanical damage, and the tube body must not be folded. (4) Oxygen and acetylene hoses must not be mixed or substituted for each other, and oxygen and hoses must not be used to blow out blockages in acetylene hoses. At the same time, defects such as leakage and blockage of the welding and cutting torch should be checked and eliminated at any time to prevent the formation of a mixture of oxygen and acetylene in the hose. It should be pointed out that the color of the hose stipulated in the national standard is exactly opposite to that of the international standard (ISO) (oxygen hose is black, acetylene hose is red).