1. The gas-fired tunnel furnace should be placed in the room without leakage of rain. The ground is flat and hard, and it can bear the weight of more than two tons.
2. The left side, right side and back side of the oven should be more than 40cm from the wall, and the top of the oven should be more than 100cm from the roof, so as to facilitate installation, maintenance and maintenance. There should be necessary operating space in front of the gas tunnel furnace.
3. The ground shall have good drainage facilities, good ventilation, and enough air to support combustion.