A method for ultra-low dust emission of heating furnace under low temperature and heat preservation state
A technology of heating furnace and state, applied in the field of steel rolling heating furnace, can solve the problems of dust emission exceeding the standard and difficult to control, etc., and achieve the effects of ultra-low emission, lower holding furnace temperature, and easy operation and control
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[0021] In order to make the present invention clearer, a method of the present invention for ultra-low dust emission from heating furnaces under the state of low-temperature heat preservation will be further described below in conjunction with the accompanying drawings. The specific embodiments described here are only used to explain the present invention and are not intended to to limit the present invention.
[0022] Such as figure 1 As shown, a method for ultra-low dust emission of heating furnaces under low temperature and heat preservation conditions, the device used includes a frequency conversion fan or a power frequency fan, the specific steps are as follows, and it is characterized in that it includes:
[0023] (1) Enable the frequency conversion fan: install a frequency conversion fan on the heating furnace, turn off the power frequency fan, and turn on the frequency conversion fan in the low temperature and heat preservation state;
[0024] (2) Frequency conversion...
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