A hydrogen-oxygen combustion-supporting energy-saving device for a coal-fired boiler

Abstract

The invention provides a hydrogen-oxygen combustion-supporting energy-saving device for a coal-fired boiler. It relates to the technical field of coal-fired boiler energy saving. Boiler body, gas evaporator, the upper part of the gas evaporator has a pipe connected to the sub-cylinder through the electric switch valve II. There are steam transmission main pipes on both sides of the sub-cylinder extending to both sides of the boiler body. There is a parallel connection between the two main steam transmission pipes. The steam branch pipe enters the bottom of the boiler grate from the air duct at the bottom of the boiler body. The present invention has the following beneficial effects: select H 2 O is used to produce hydrogen and oxygen raw materials to reduce the production cost of combustion-supporting gas. The high-temperature flue gas at the outlet of the furnace tail is used as the heat source of the gas evaporator to ensure a stable supply of combustion-supporting high-temperature saturated gas. The unique structure design of the heat transfer evaporator is used to improve evaporation. Steam production efficiency, heating the feed water to 80-105°C hot water before replenishing the evaporator to ensure an accelerated and stable supply of combustion-supporting gas.

Description

Technical field: [0001] The invention relates to the technical field of energy saving of coal-fired boilers, in particular to a hydrogen-oxygen combustion-supporting energy-saving device for coal-fired boilers. Background technique: [0002] There are many types of boilers circulating in the market today, and the share of coal-fired boilers used in the market is about 70%. The main reasons are: first, the supply of coal-fired goods is relatively stable; second, the operation of the stoker is relatively simple and easy to master; However, the coal consumption of such boilers is huge, which leads to higher operating costs and higher operating costs for desulfurization and denitrification, which adds insurmountable economic pressure and trouble to enterprises. Overcoming and improving this status quo under the environment is the main technical approach and subject that production enterprises are faced with. Invention content: [0003] In order to solve the above problems, th...

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Problems solved by technology

[0002] There are many types of boilers in circulation in the market today, and the share of coal-fired boilers used in the market so far is about 70%. The main reasons are that the supply of coal-fired goods is relatively stable, the operation of the boiler is relatively simple and easy to master, and the third is easy maintenance. , but the coal consumption of such boilers is huge, resulting in high operating costs and high desulfurization and denitrification operating costs, thus adding insurmountable economic pressure and troubles to enterprises. To overcome and improve this situation in the environment is the main technical approach and subject that manufacturers are facing.

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