Acetylene station safety technology management

Acetylene generation is widely used in enterprises that use acetylene bottles without conditions to concentrate on supplying acetylene gas to the production line. However, due to the dangerous characteristics of wide explosion limit range, low explosion limit and small ignition energy, acetylene gas is easy to cause fire and explosion accidents. The following applies to the acetylene generating station (house) where acetylene gas is produced from calcium carbide.

1. General requirements

(1) The design of the acetylene station (house) should meet the requirements.

(2) Establish a sound safety management rules and regulations: the outbound and inbound (house) must be registered, hand over the fire, and wear must comply with the regulations; strictly implement the inspection system, and the records are complete and reliable.

(3) Various corresponding safety technical data files should be established.

2. Piping system

1 Pipes and valves should be rigorous and reliable. A component that has been in contact with acetylene for a long period of time, and whose material contains copper alloy of not more than 70%.

2 Pipes should have good measures for the discharge of static electricity, and should have regular test records.

3 The piping system must be properly equipped with a tempering preventer and ensure reliable and effective.

3. calcium carbide warehouse and crushing system

1 The warehouse should comply with the regulations, be well ventilated, keep dry, and prohibit water, rain and moisture.

2 The calcium carbide barrel should be kept tight and the air should not be in contact with the calcium carbide in the barrel for a long time.

3 When manpower crushing calcium carbide, labor protective equipment should be worn; when mechanically crushing calcium carbide, dust removal device should be used, and powdered calcium carbide should be removed in time, and treated by calcium carbide water in accordance with regulations.

4 When setting up the middle calcium carbide warehouse and the crushing room, measures should be taken to prevent moisture.

4. Security measures

1 Before the acetylene generation system is overhauled, it must be completely replaced with an inert medium. After the sampling test is qualified, it can be repaired.

2 The low-pressure acetylene generator balancing valve should be in good condition, markedly marked and protected against misoperation.

3 The buoyant gas cabinet should have an alarm device interlocked with the limit position, and the sprinkler device should be set according to the environmental conditions.

The electrical appliances and instruments (tables) in the 4 station rooms must meet the explosion-proof requirements.

5 Safety devices should be sensitive, reliable, in good condition, and regularly inspected, inspected and recorded according to regulations.

6 lightning protection measures should meet the requirements.

5. Fire protection facilities

1 Reasonably equipped with fire-fighting equipment, with eye-catching signs.

2 The fire exit is unobstructed, preferably in a circular arrangement.

3 It is strictly forbidden to use water and foam fire extinguishers to save the fire of the calcium carbide. It is strictly forbidden to enter the station (house) with halogenated substances such as carbon tetrachloride.

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