6.2　Furnace Body Cooling Equipment

Ⅰ　Dominant Items

6.2.1　The pressure test for cooling wall，cooling plate before installation shall meet the requirements in the design documents.And it shall meet the requirements in current national standard GB 50235 Code for Construction and Acceptance of Industrial Metallic Piping when not specified.The water test shall be taken for cooling equipment and pipe after installation，the water inlet and outlet shall be unblocked and the joint shall have no leak at joint.

Check quantity:full check.

Check method:check the pressure test records or take visual check.

Ⅱ　General Items

6.2.2　The fixing bolts on cooling wall shall be evenly and firmly fixed.Full weld in all layers with full weld metal shall be used between shells and padding plate，water pipe and padding plate，nut and padding plate，the welding shall be firm and reliable without omission.

Check quantity:10% random check for cooling walls.

Check method:visual check.

6.2.3　Full weld in all layers with full weld metal shall be used between welded cooling plate water pipe and shell，the welding shall be firm and reliable without omission.

Check quantity:10% random check for cooling plates.

Check method:visual check.

6.2.4　The allowable installation deviation of cooling equipment shall meet the requirements in Table 6.2.4.

Check quantity:10% random check for cooling walls，cooling plates.

Check method:see Table 6.2.4.

Table 6.2.4　Allowable installation deviation of cooling equipment（mm）

Table 6.2.4（Continued）