The electric installation of gas double VAT exchanging machine is the key equipment in heat regulating of control driving in the cokestove.
煤气双缸交换机的电气装置是控制驱动焦炉中加热调节装置的关键设备。
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To remove the black and restore your pot to new, pour in a can of coke (or as much as you need to cover the blackened area by an inch) and put it on the stove on a low heat.
Coke gas was introduced into blast furnace hot air stove by use of ejector to increase air temperature so as to achieve the aim of reducing coke rate and increasing the production.