Method for repairing inner wall of acid-making absorption tower
A repair method and acid absorption tower technology, applied in separation methods, chemical instruments and methods, sulfur compounds, etc., can solve problems such as blockage of sulfuric acid pumps and sulfuric acid coolers, affecting the production stability of the acid system, and increasing pipeline maintenance costs, etc. , to achieve the effects of improving stability, eliminating personal injury accidents, reducing spare parts consumption and maintenance costs
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[0016] Depend on figure 1 It can be seen that the upper tower body 1 of the absorption tower includes the outer tower wall steel plate 5 and the lead-lined layer 2 and the brick-lined layer 3 of the inner lining.
[0017] The concrete method and steps of repairing the inner wall of the acid absorption tower of the present invention are:
[0018] 1. Remove the upper connecting pipe of the absorption tower, hang the upper body 1 head of the absorption tower with a crane and stabilize it, then remove the fasteners at the flange connection part, and then use a crane to lift the upper body 1 head of the absorption tower Lift it up and put it on the ground.
[0019] 2. Use a portable cutter or blade to cut out the manhole 1.65m down from the upper body 1 of the absorption tower, separate the lead-lined layer 2 from the steel plate 5 on the tower wall, and use a stone pencil to clean the lead-lined layer 2 and the steel plate on the tower wall. 5. Mark the line, then hang the upper...
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