Inside spraying construction method of pellet roasting vertical furnace
A construction method and internal spraying technology, which is applied in the field of spraying construction in the pellet roasting shaft furnace, can solve the problems of long maintenance period during shutdown period, high maintenance cost, easy loosening and falling off, etc., to achieve isolation from direct erosion and reduce maintenance costs , Improve the effect of roasting quality
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[0017] The spraying construction method in the pellet roasting shaft furnace of the present invention is characterized in that it comprises the following steps:
[0018] 1. According to the actual situation of the damage of the roasting shaft furnace, formulate the spraying parameters and spraying process, and determine the air pressure (air volume), water pressure, spraying volume and other parameters of the spraying machine used; the commonly used related parameters are as follows: spraying machine spraying volume 2~4.8m 3 / hour, water pressure between 0.5 ~ 0.7MPa, air volume between 5 ~ 10m 3 / minute, can achieve the ideal spraying effect.
[0019] 2. Clean the furnace wall of the roasting shaft furnace to remove the burnt furnace wall and other impurities;
[0020] 3. According to the requirements of the spraying process, several layers of steel wire mesh are installed (usually welded) on the furnace wall to form a steel wire mesh layer that is mutually pulled (connec...
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