炕内保持一定温度和严密性是火炕好烧的先决条件。火炕所处外墙部分若处理不好,常因冷空气渗透,使炕内温度很快降低。这是火炕不热,炉灶不好烧、费煤、费柴的主要原因之一。为此,要沿外墙做好保温处理,常用的方法是:在砌筑这部分炕洞墙时,先在外墙内表 Kang to maintain a certain temperature and tightness is a good prerequisite for burning kang good. Outer kang where the external walls if not handled properly, often due to cold air infiltration, so that the temperature inside the kang quickly reduced. This is one of the main reasons that the kang is not hot, the stove is not good to burn, coal fee, and firewood. To this end, insulation along the wall to do a good job, the commonly used method is: masonry in this part of the kong cave wall, first in the outer surface of the table