Boiler using gas or fuel oil

Abstract

There is disclosed a gas-firing or oil-burning boiler, in which, a combustion stirring reactor and a combustion chamber connected with a liquid or gaseous fuel feeding device are mounted in the hearth. The hearth bed is used as the boiler bed and the side wall of the hearth is connected with the boiler bed. The surface of the hearth side wall is made of materials capable of resisting the temperature not below 1500 deg. c. The fuel feeding device is connected with the combustion chamber through the front boiler wall and at the exhaust nozzle is disposed an igniter. When the temp. on the wall surface of the combustion chamber is not below 850 deg. c. the boiler can realize non-flame burning in the boiler.

Description

Technical field:

[0001] The invention belongs to the technical field of combustion equipment boilers, in particular to flameless combustion gas and oil boilers. Background technique:

[0002] "Boiler Principles and Calculation" (Edited by Feng Junkai and Shen Youting, Science Press, 1992) pp. 60-64 introduces the principle of boiler combustion gas, points out that the outlet of the fuel air supply device will form a flame tongue or torch, and the length of the torch is calculated calculate. "Structure Design and Atlas of Fuel Gas Boiler" (edited by Zhao Qinxin, Li Weidong, Hui Shien, Luo Zhenghui, Xi'an Jiaotong University Press, 2002), pages 125-143, introduces modern fixed industrial water tube steam boilers (including D type, A type, O-type and corner tube boilers) internal structure and working method, which is based on the structure of drum, header, water pipe, furnace, the fuel air supply device is directly connected to the furnace, and the flame is ejected from the o...

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