The top of the stove is red! what reason
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This is an exhaust gas combustion furnace that uses natural gas as auxiliary fuel to burn exhaust gas to meet emission standards. The top should have fireproof bricks and fireproof mortar fixed with insulation nails.
Stop the car immediately for inspection. The refractory material may have fallen off.
Make sure it's not the light from the searchlight. . .
Does your furnace use oxy-fuel combustion? If you need an oxygen concentrator, you can contact me. Energy saving and more environmentally friendly.
If not reserved by design. It is estimated that the lining has fallen off, so stop the car and deal with it in time.