一、旧式炕连灶存在的问题和改进方向从目前农村大部分使用的炕连灶来看尚存在好多问题,从感官可以感觉到的有以下不足之处:不好烧(冒烟或燎烟);炕不热;炕热得不均匀;炕凉得快等。此外尚有维护不方便,堵塞后必须扒开,而且必须年年扒炕,耗用较多的劳动,烧干又耗用了较多的燃料。归纳说“结构不甚合理,性能 First, the old kang Lianzao existing problems and improvement direction From the current use of most of the kang Lianzao rural areas there are still many problems, from the senses can feel the following deficiencies: not good to burn (smoke or smoke ); Kang is not hot; kang uneven heating; kang cool so fast. In addition, there are inconvenient maintenance, must be open after clogging, but also every year Pa kang, consume more labor, burned and consume more fuel. Summarized that "the structure is not reasonable, performance