The bottom of the oil drum is hollowed out, and several symmetrical holes are dug in the drum wall below the middle of the oil drum, so that steel bars can be inserted, and the gap between the steel bars can let air in, so that the sawdust will not go out halfway. On the upper side of these steel bars, a square hole is dug in the barrel wall, from which you can observe the fire and fan the wind. The top of the oil drum is also hollow, so you can put a lot of sawdust in it to let the smoke out, or you can plane the sawdust with pliers.

Construction method of rural firewood earthen stove;

1. Determine the construction location, open the flue and build the chimney. Mark the ground, determine the location to be built, mark the wall and determine the height. Then the smoke exhaust pipe is excavated on the wall and a chimney is built outside the house.

2. For ordinary brick furnace body, it includes the ash outlet of the furnace door and the furnace cavity. The furnace cavity is built with refractory bricks, and broken sand can be filled between the furnace body and the furnace cavity.

3. Heat preservation and fire-resistant construction of furnace surface, filling heat preservation materials, protecting broken sandstone and brick sand used in furnace chamber, compacting refractory mud above furnace chamber with pot, and flattening refractory mud.

4, warm water mouth pot mouth construction, pot mouth construction has been placed before insulation materials and refractory mud. The position where the pot contacts the refractory mud is surrounded by steel bars to ensure that the pot mouth is firm and leveled with mortar.

5, ceramic tile decoration, installation of furnace door flue damper.