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Samall air Separation Unit Crude Argon Tower Service Procedure

Samall air Separation Unit Crude Argon Tower Service Procedure
May 16, 2022
Author: DEAR AST

1 All pneumatic valves with a small holding tank, with a tie rod fixed to the box plate pulling diagonally on the cryogenic valve seat. According to the new specification all pneumatic valves, manual valves are all installed into the existing style of the valve frame - that is, the valve seat and valve before and after the valve pipeline are all fixed.

2 fixed the main tower, rough argon tower Chuan tower top of the three tie rods such as loose, be pulled tight, and review the verticality of each tower.

3 on the operation of the switch has a serious jamming of the expander export valve (welded angle shut-off valve) removed, return to the original factory for repair and then installed back.

4 Increase the rough tower liquid-air reflux on the tower line analysis measurement points. The line was led to the first floor, which was prepared for later connection to the total hydrocarbon chromatography analyser.

5 10 new safety relief valves were added to the cold box, and 2 breathing cylinders containing aluminium oxide were installed on the top of the main cold box and the main cold box.

6  Small air separation unit overhaul personnel found that all instrumentation tubes in the cold box were not protected with protective racks. This overhaul with stainless steel angle iron plus protection bracket.

7 The original crude tower liquid-air steam back to the upper tower valve removed, with a straight pipe connected, the valve box plate on the hole with steel plate blocking.

8 two combined argon pump after the pump pre-cooling blow-off valve from the bottom of the outlet pipe to the top of the opening, to facilitate the pre-cooling of the pump

DEAR elaborated the first intelligent production line in the domestic air separation industry - DEAR Air's intelligent production line for non-ferrous metal small air separation unit, large air separation unit and liquid air separation plant were completed. This marks the official birth of the intelligent production plant in the domestic air separation industry.

山东钢铁集团(壶井)16000

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