Pressure vessel failure and accident emergency handling procedures

1.1 The pressure vessel operator shall operate the corresponding valve and discharge device according to the specific operation plan to reduce the pressure to the allowable range;

1.2 Immediately notify the process operation and equipment management department to identify the cause and eliminate hidden dangers;

1.3 Overpressure conditions may affect the safe use of related equipment, and should continue to reduce pressure immediately until parking;

1.4 Check whether the pressure components and safety accessories involved in the overpressure are normal;

1.5 repair or replace damaged parts;

1.6 Record the overpressure condition and repair and replace the damaged parts in detail. 1. Obey the process discipline and operate in strict accordance with the process specifications of the pressure vessel system;

1.7 Strengthen inspections, pay attention to observe and record the display of related instruments;

1.8 Strengthen the training of process operators, familiar with the process, operating procedures and emergency plans.

2 Over temperature method and steps:

2.1 The pressure vessel operator shall operate the corresponding valve immediately according to the specific operation plan, and the spray device will lower the temperature to the allowable range;

2.2 Immediately notify the process operation and equipment management department to identify the cause and eliminate hidden dangers;

2.3 Over-temperature conditions may affect the safe use of related equipment, and should continue to cool down, reduce pressure, and stop until immediately;

2.4 Check the safety conditions of the pressure components and safety accessories involved in overheating;

2.5 Repair or replace damaged parts;

2.6 Record the over-temperature condition and repair and replace the damaged parts in detail. 1. Obey the process discipline and operate in strict accordance with the process specifications of the pressure vessel system;

2.7 Strengthen inspections, pay attention to observe and record the display of related instruments;

2.8 Strengthen the training of process operators, familiar with the process, operating procedures and emergency plans.

3 exception

Sound method and steps:

3.1 The pressure vessel operator immediately observes whether the operating parameters such as equipment pressure and temperature are normal;

3.2 Immediately notify the process operation and equipment management department to find out the reasons;

3.3 If the cause is unknown, it should be stepped down immediately until parking;

3.4 Check the safety conditions of the pressure components and safety accessories involved in abnormal sounds;

3.5 repair or replace damaged parts;

3.6 Record the over-temperature condition and repair and replace the damaged parts in detail. 1. Obey the process discipline and operate in strict accordance with the process specifications of the pressure vessel system;

3.7 Strengthen inspections, pay attention to observe and record the display of related instruments;

3.8 Strengthen the training of process operators, familiar with the process, operating procedures and emergency plans.

4 exception

Deformation methods and steps:

4.1 Pressure vessel operator shall operate the corresponding valve according to the specific emergency plan, and immediately stop the pressure stop;

4.2 Notify the process operation and equipment management department to find out the reasons;

4.3 Check the deformation site;

4.4 repair or replace the damaged parts;

4.5 Record the overpressure condition and repair and replace the damaged parts in detail. 1, 2, 3, 4 are the same as above;

4.6 Carefully do the annual inspection of pressure vessels, strengthen the usual inspections, record the deformation of containers and pressure parts, and find problems in time to eliminate hidden dangers.

5 Leakage methods and steps:

5.1 Pressure vessel operator shall operate the corresponding valve according to the specific emergency plan, and immediately stop the pressure stop;

5.2 notify the emergency personnel rescue team, equipment management department, and process operation department;

5.3 evacuate the unrelated personnel at the scene, and if there is any injury, immediately notify the 120 emergency number to rescue the injured;

5.4 Cut off the affected power supply, prepare for fire and anti-virus, and prevent the explosion of flammable and explosive media from exploding;

5.5 Close the leak site and disconnect the leaking equipment from the surrounding connected system;

5.6 Block the leaking part and pour the medium inside the equipment into the spare container;

5.7Notify local special equipment safety supervision agencies and inspection agencies;

5.8 Identify the cause of the leak, repair and replace the damaged part;

5.9 Record the leakage situation in detail, repair and replacement of damaged parts;

5.10 Attention should be paid to the environmental impact of the spilled materials, properly disposed or discharged, and major spills should be announced to the public in a timely manner, and evacuation should be done if necessary. 1, 2, 3, 4 are the same as above;

5.11 Carefully do the annual inspection of pressure vessels, strengthen the usual inspections, record the deformation of containers and pressure parts, and find problems in time to eliminate hidden dangers.

6 exception

Vibration method and steps:

6.1 The pressure vessel operator shall confirm the vibration source according to the specific emergency plan and eliminate it;

6.2 If there is any possibility of equipment damage, stop the test. 1. Strict process discipline to avoid abnormal fluctuations in operating parameters;

6.3 Strengthen the inspection, check the integrity of the pipe system and the like, and find problems in time to eliminate hidden dangers.