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Correct Installation, of Rotary Kiln refractory Bricks at Cement Industry
New lining meets old lining
After breaking out the bricks, the old lining remaining in the kiln has to be fixed, by angle irons welded onto the kiln shell.
You must follow these instructions, during Ring Closure
Take great care to close, every ring correctly
1 . Tighten bricks with hydraulic jack.
Maximum jack pressure, should not exceed 35 to 40, newton pair millimeter, brick cold crushing strength
During jacking knock bricks, with rubber hammer
2 . Combine standard shapes, and key bricks to obtain a straight joint, of 4 to 6 mm thickness.
Never cut standard, or key shapes parallel, to radial joint to fit the gap
3 . Inserting the last brick, In case the brick combination is perfect, without open joint, never knock with hammer onto the brick
4 . Staggered position of key bricks, and key shims.
Do not use more than, 2 to 3 shims per rings.
Recommended thickness 2 mm.
Use pneumatic shim driver if available.
Without shim driver, 3 mm thick shims are acceptable.
Phased (bevelled) shims greatly facilitate driving in.Drive, in not more than one shim per joint.
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