Method for online repair of regenerative burner nozzle of heating furnace
A repair method, a regenerative technology, applied in the direction of lining repair, etc., can solve the problem that the burner spout repair problem has not been effectively solved, increase the maintenance cost of the heating furnace, prolong the maintenance cycle of the heating furnace, etc., to shorten the maintenance period, Reduce maintenance costs and production costs, the effect of significant economic benefits
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[0029] Hereinafter, the repair of the double regenerative burner 2 of the regenerative heating furnace is taken as an example to describe the method in detail.
[0030] A slab heating furnace with double regenerative blast furnace gas, the rated gas flow rate of the regenerative burner 2 is 4500Nm 3 / h, when repairing regenerative burner 2, use the following steps:
[0031] The first step is to remove the burner nozzle in the original regenerative burner and the furnace wall around the original burner nozzle, retain the regenerative burner shell 6, and keep the original in the removed furnace wall 1. Some cone-shaped mouth 8, that is, the original bell mouth. The shape of the cone-shaped mouth 8 is characterized by a large inside and a small outside. It is close to the heat storage burner shell 6 on the large side of the cone-shaped mouth 8. The cone-shaped mouth 8 The side of the small mouth corresponds to the furnace wall 1.
[0032] The second step is to design and calculate the ...
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