Underground combustion furnace

Application Number: 00110386
Application Date: 2000.04.30
Publication Number: 1321857
Publication Date: 2001.11.14
Priority Information:
International: F23B1/30;F24D3/10
Applicant(s) Name: Zhang Xuezhong
Inventor(s) Name: Zhang Xuezhong
Patent Agency Code: 00000
Patent Agent:
Abstract The present invention relates to an underground combustion furnace, including: operation chamber, ash-falling chamber and combustion chamber which is positioned between them and is equipped with two side walls and upper and lower calandria, air-equalizing chamber positioned under the combustion chamber, the top end of the operation chamber is equipped with entrance cover communicated with ground surface, and its lower end is equipped with draught chamber partioned by bottom plate, between upper portion of combustion chamber and ash-falling chamber there is an exhaust hole, the ash-falling chamber is equipped with a flue communicated with draught fan, and the upper and of combustion chamber is respectively equipped with cold water tank, hot water tank and expasion tank communicated with pipeline which is connected with hot water device and heating device respectively.