According to the existed problems of UGI and J28 coal gas furnaces, JH-type coal gas furnace has been designed and developed,which still keeps the original advantages.

• 针对原有UGI型和J28型煤气炉存在的问题，设计开发了JH型煤气炉，保持原炉型的优点，改进了原设计的不足。