Use a big iron stove (the chimney is five meters high, similar to a big stove in the countryside) to burn wood, and half of the wood will go out. Why?

1. Generally speaking, there are three combustion conditions: combustible, ignition source and combustion improver (usually oxygen or air).

The situation you described should be caused by lack of oxygen. The main reasons for extinguishing the fire when the wood is burned halfway are the lack of oxygen in the combustion chamber, the lack of air circulation and the poor effect of the chimney.

3. It is suggested to improve the structure of iron furnace, such as opening tuyeres around and increasing ventilation.

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