| 摘要 |
PURPOSE: A coal burning boiler apparatus is provided to achieve improved heat efficiency by increasing a convective process and suction force, while preventing environmental contamination caused due to exhaust gas. CONSTITUTION: A plurality of water pipes(9) and fire pipes(9b) have left ends connected to a left water chamber(9c) and right ends connected to a right water chamber(9a), respectively. Fire pipes opened to a combustion chamber(13b) are penetrated through left and right water chambers and secured into a right drying chamber(10). An exhaust pipe(29) is connected to a desulphurization equipment(28) and a dust collecting cyclone(30). A steam tank(12) arranged at the top of the right water chamber is communicated to a dry steam pipe(11b), mounted in a drying chamber(10), and connected to an opposite steam collecting pipe(11a). A steam transfer pipe(7) is connected to a dry steam re-heating pipe(22), and the dry steam re-heating pipe is arranged in the upper portion of the combustion chamber. The exhaust pipe is communicated into the rear wall of the dust collecting cyclone, such that an exhaust flue(29') is directed downward. A blower(33) is arranged, such that a blower pipe is bent to the lower end of the dust collecting cyclone and the curved end of the blower pipe is opposed to the lower end of a central exhaust flue. A burner(33') has a pipe penetrating into the blower pipe of the blower, and the exhaust flue has a nozzle mounted at the lower end of the central exhaust flue. Coolant devices(31,31') are arranged at the exhaust flue which is extended from the central exhaust flue, and pumps(40,40') are arranged between vertical pipes(36,37). Nozzles(43,44) are connected into vertical pipes, and the vertical pipe(37) has a blower(38) and a coal injection silo(39) arranged at the top of the vertical pipe.
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