1.做到“三小” 即省柴灶的灶膛要小,灶膛直径以锅口直径的60％为宜;灶门要小,一般门高18厘米、宽14厘米;出灰洞门要小,可与灶门同样大小或者稍大一些。这样,灶膛热量集中,燃烧温度高,灶膛热量散失少,使锅体能够吸收更多的热量。 2.有“三门” 即灶口及出灰洞口都要有能开能关用铁板做成的活动门,另外,烟囱上要有一个闸门。灶口的活动铁门,在添好柴后要关上,减少灶膛热量散失。出灰洞口活动铁门,停止烧火时应 1. To achieve “three small” firewood stove is smaller, hearth diameter to 60% of the pot diameter is appropriate; stove door to be small, generally 18 cm high, 14 cm wide; out of the gray door to the smaller , With the same size or slightly larger stove. In this way, the stove hearth heat concentration, high combustion temperature, hearth less heat dissipation, so that the pot body can absorb more calories. 2. There are “three doors” that is, both the kitchen stove and the ash outlet should be able to open and close the iron doors made of activities, in addition, the chimney to have a gate. Activities of the kitchen door iron gate, after Tim good wood to shut down to reduce heat loss stove hearth. Out of gray iron gate activities iron gate, should stop burning when the fire