... burner for the poor, can effectively absorb heat in the flue gas combustion air preheater, not only to save energy and reduce ... to 1,000°C.5) because of regenerative heat exchanger, flue gas discharge temperature of < 100°C, usually can save energy by ... the harmful gases.4 product performance1) gas: suitable for blast furnace gas and coke-oven gas mixture, gas, coal gas stove.2) structure: the structure ...