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Operation Procedure for Low-Temperature Natural Gas Storage Tanks

1.1 Introduction to Station Pressure Regulation Process

An illustration of the local process flow for pressure regulating areas is attached, with the equipment to be operated numbered in the process flow diagram.

1.2 Pre-pressing Preparation

1.2.1 Tool Preparation

Explosion-proof spanners, two pairs of gloves, and two sets of protective gear.

1.2.2 Pre-job Preparation

Wear personal protective equipment, including antistatic clothing, static-free shoes, and safety helmets, etc.

(2) Ensure that devices prone to static electricity, such as mobile phones and computers, are placed in a safe area. Check if the surrounding environment is secure and meets the working conditions.

(3) Before entering, touch the static discharge equipment with both hands to release static electricity.

(4) Ensure that all pressure adjustment tools, such as explosion-proof wrenches, are fully equipped.

(5) Check that the tank's pressure gauge, level gauge, thermometer, flammable gas detector, and safety valve are operating normally.

(6) Inspect that the pipeline valves, pressure gauges, and safety valves are in normal working condition.

(7) Prepare all explosion-proof tools