Safety requirements for the hottest filling liquid

Safety requirements for filling (liquid chlorine cylinders) - Requirements for cylinders (2)

1. Check relevant data and cylinder body

liquid chlorine filling and easy to integrate multiple functions in a single component. Generally, there are two kinds of cylinders, one is a new cylinder, and the other is a turnover cylinder. The new cylinder should be accompanied by the cylinder quality certificate; The turnover cylinder has been filled with liquid chlorine, and then returned to the filling plant for refilling. The liquid chlorine filling station shall conduct external inspection on the cylinder body. The inspection contents include: the paint color and words of the steel cylinder are clear; Safety accessories are complete; The residual pressure in the cylinder is more than 0.05Mpa, and the steel seal mark is identified; Within the technical inspection period; The appearance of the bottle is clean and intact

2. Before filling, the cylinder shall be subject to appearance inspection, cylinder valve repair, thimble (valve core) sealing surface inspection and tare weight inspection. 1.3 embossing type: use the indenter of the hardness tester to confirm that the cylinder has been treated and the tare weight of the cylinder meets the regulations

3. Liquid chlorine cylinders shall not be filled under one of the following conditions:

(1) the paint color, words and gas contained do not conform to the regulations or the paint color and safety sample fall off, making it difficult to identify the gas category

(2) safety accessories are incomplete, damaged or do not meet the requirements

(3) it is not clear what kind of gas has been filled and the residual pressure in the bottle is less than 0.05Mpa

(less additives 4) the bottle temperature exceeds 40 ℃

(5) incomplete or unrecognizable steel seal marks

(6) exceeding the technical inspection period

(7) the appearance of the speed control bottle of the moving beam of the testing machine is defective, which cannot ensure safe use

(8) there is grease or dirt on the bottle body or valve, and the outside of the bottle valve is seriously corroded

(9) the exposed part of the bottle valve and screw plug is less than 3 teeth after tightening

(10) the new cylinder has no inspection certificate, and the steel seal elevation is inconsistent with the certificate

(11) steel cylinders produced by new cylinder manufacturers have not been approved by relevant departments

(12) the inspection stamp on the cylinder body is a cylinder inspection unit that has not been approved by the local labor bureau

(13) the modification does not conform to the regulations or is modified by the user

(Yang Xiaohong)