Quick-open pressure vessel practical examination simulation question bank (new version).docx

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Pressure vessel operations - fast-opening pressure vessels (project code R1)

Practical exam simulation questions

directory (on computer hard drive)

I. Basic operations, which are worth fifty per cent of the marks, here 3.

QUESTION 1: Pre-operation inspection of snap-open pressure vessels, operating procedure: 3

QUESTION 2: Inspection of safety interlocking devices on fast-opening pressure vessels, procedure: 3

Question 3: Prior to start-up of a snap-open pressure vessel, the operating procedure: 3

QUESTION 4: Operation of quick-opening pressure vessels, operating procedures: 3

Question 5: Stopping of quick-opening pressure vessels, operating procedure: 4

Question 6: Safety interlocking handle mechanism for quick-opening pressure vessels, operating procedure: 4

The corresponding operating procedure for a snap-open pressure vessel, which reaches the intended closure site prior to pressurisation, is, number 5.

Topic 8: For fast-opening pressure vessels, the procedure for confirming the complete release of the pressure in question before opening the door is as follows:5.

Topic 9: Quickly perform routine maintenance on that open-door pressure vessel (selectively reading), the procedure for which: 5.

II. Emergency Response (Points 20%) 7

Question 10: In operation, when the safety valve is manually discharged for testing, if the safety valve closure is in the state of not being tight, then there is such an operation procedure: 7.

Question 11: When the safety valve closure fails during the manual venting test, the safety valve is replaced and the procedure is 7.

Question 12: The procedure for troubleshooting a leaking safety valve or one that jumps before reaching operating pressure, and for replacing a safety valve, is 7.

QUESTION 13: When the pressure gauge indicates a fault during operation, the operating procedure: 8

Question 14: When a tank leak is detected during operation, the operating procedure is: 8

Q15: Operating procedure in case of overpressure and over-temperature during operation: 9

Question 16: When a seal leak is detected during operation, the procedure is: 9

Question 17: Power failure during operation, operating procedure: 9

Question 18: Safety requirements for operators entering tanks (selective reading), operating procedures: 10

III. Identification of Relevant Components (Score 30%) 10

Issue 19, Quick-opening pressure vessels with safety interlocking devices, with operating procedures for the main constituent mechanisms 10.

QUESTION 20: The main components of a snap-open pressure vessel (identify “1” in the diagram), the operating procedure is: 11.

Topic XXI: The procedure for the operation of the main components of a pressure vessel with a quick-opening door of the type (identify “2” in the figure) is:, XI.

Topic XXII: The main components of a pressure vessel with a quick-opening door (identify the part labelled “3” in the diagram), and the steps involved in its operation are: XII.

Difficulty 23: The main components of a pressure vessel in the fast-open position (identify the “4” in the diagram) are operated by the following procedure: 12.

Topic 24: The procedure for operating the main components of a pressure vessel with a door that can be opened quickly (identify the part marked “5” in the diagram) is: 13.

Topic 25: What does the usual typical construction of that type of pressure vessel with a quick-opening door contain, and what is the procedure for its operation: 13.

Topic 26: What are the main pressure-carrying elements and safety accessories in a fast-opening pressure vessel, and what is the procedure for their operation?

Q27: What are the main parameters of a fast-opening pressure vessel and the operating procedure: 14

QUESTION 28: Which of the following is a snap-open pressure vessel, operating procedure: 14

Q29: Meaning of alarm indications for fast-opening pressure vessels, operating procedures: 14

Basic Operations (50% points)

QUESTION 1: Pre-operation inspection of snap-open pressure vessels, operating procedures:

Check the pressure gauge;

Check the safety valves;

Question 2: Checking of safety interlocking devices of fast-opening pressure vessels, operating procedures:

Close kettle door handle valve;

Open kettle door handle valve;

Rotate to tighten kettle door;

Rotate and unscrew the kettle door;

QUESTION 3: Before start-up of a snap-open pressure vessel, operating procedures:

Activate the lubricant button;

Buckle the lid of the kettle door;

Rotate to tighten kettle door;

Close kettle door handle valve;

Close the exhaust valve;

Close the drain valve;

QUESTION 4: Shuttered pressure vessel operation, operating procedures:

Switch on the mains power;

Open the shut-off valve;

Close the air relief valve;

Open the steam inlet master valve;

QUESTION 5: Quick-opening pressure vessel stops, operating procedures:

Close the steam inlet master valve;

Open the exhaust valve;

Close the shut-off valve;

Open the air release valve;

Open kettle door handle valve;

Rotate and unscrew the kettle door;

Open the kettle door;

Switch off the main power supply;

Question 6: Safety interlocking handle mechanism for quick-opening pressure vessels, operating procedures:

Buckle the lid of the kettle door;

Rotate to tighten kettle door;

Close kettle door handle valve;

Open kettle door handle valve;

Rotate and unscrew the kettle door;

Open the kettle door;

Question 7: Procedure for operating a fast-opening pressure vessel before pressure is raised to reach the intended closure site:

Activate the lubricant button;

Buckle the lid of the kettle door;

Rotate to tighten kettle door;

Close kettle door handle valve;

Topic 8: For the type of pressure vessel with a quick-opening door, the procedure for confirming the complete release of pressure before opening the door is as follows.

Close the steam inlet master valve;

Open the exhaust valve;

Close the shut-off valve;

Open the air release valve;

Question 9: Routine Maintenance of Shuttered Pressure Vessels (Selective Reading), Operating Procedures:

When the autoclave is out of service for a long period of time, it should be sealed and maintained by the following methods:

1, the kettle door open, at the same time, the bottom of the kettle drain valve open, the bottom of the kettle residual water and residue to start cleaning, and then use water for thorough flushing.

2, dry the inner surface of the kettle body, if the open kettle door state, can be through the natural drying way, can also be used through the compressed air for blowing the way to operate, or by the use of rags to wipe the initiative, or the use of pots of charcoal fire drying this way.

3, clean up those kettle door sealing surface, remove debris, oil, and then coated with lubricant. For the kettle body flange and kettle cover flange teeth contact surface, to be coated with anti-rust grease.

4, the block of lime, the size of 10 to 30 mm, divided into trays for loading, placed in the kettle, pay attention to, absolutely absolutely can not let the lime and metal wall contact. The weight of quicklime, according to the kettle volume per cubic metre for 5 to 8 kg to be calculated.

5, shut down all the kettle door, close all kinds of pipeline valves, carry out maintenance work, at the same time, to maintain the surrounding environment in a dry state.

6, must be in accordance with the prescribed period to carry out the inspection behaviour (the situation is every three months), if you notice that the quicklime has been crushed into a powdery condition, then you must immediately carry out the replacement of the operation behaviour. When the autoclave is put into use again, the quicklime and the disc should be taken out of it.

7. Grease all transmission parts and exposed bolts and nuts.

8. The anticorrosion paint on the exposed surface should be intact, and the paint should be repainted in time when it is found to be peeling off or scraped off.

Autoclave maintenance:

1, the autoclave of any repair work, have to be carried out in the absence of pressure, pressure components of the repair, must be qualified by the examination of the welder to bear.

2, for autoclave pressure element repair work, must ensure to reach the design technology requirements, as well as manufacturing quality requirements, and should be based on the quality of performance after the repair plus relocation of the results of all accounting, to clarify the use of pressure.

3, autoclave major repairs and modifications, such as welding, such as gouging, and replacement of the cylinder section, as well as the repair of the kettle cover, repair kettle flange, or change the structure, etc., for these cases, specific construction programmes should be formulated and should be reported to the higher authorities for the record, but also reported to the technical supervision department for the record.

4. After major repairs and modifications