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Biomass boiler system adjustable in air and backflow smoke ratio

A biomass boiler, adjustable technology, applied in the combustion of solid fuel, combustion equipment, lighting and heating equipment, etc., can solve problems such as poor control of flue gas temperature and oxygen content ratio

Active Publication Date: 2017-01-04
GUANGZHOU DEVOTION HOME ENVIRONMENT TECH CO LTD
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Problems solved by technology

[0004] However, there are still some technical shortcomings in the existing technical solutions of the above technologies: for example, if the flue gas is drawn back from the flue before the air preheater, the temperature of the flue gas is still relatively high, and the ratio of the flue gas temperature to the oxygen content is not easy to control

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  • Biomass boiler system adjustable in air and backflow smoke ratio

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Embodiment Construction

[0039] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention discloses a biomass boiler system adjustable in air and backflow smoke ratio. The biomass boiler system comprises a boiler, an air preheater, a multi-pipe dust collector, a cloth bag dust collector, a draught fan, a chimney, a secondary draught fan and a three-way valve. The three-way valve specifically comprises two inlets and an outlet, specifically, the air inlet, the smoke inlet and the mixed gas outlet. The smoke inlet of the three-way valve is communicated with a smoke backflow pipeline. An air inlet pipeline is arranged at the air inlet of the three-way valve in a communication mode. A mixed gas pipeline is arranged at the mixed gas outlet of the three-way valve in a communication mode and communicated with the air side of the air preheater and a mixed air nozzle device in an inner cavity of the boiler in sequence. The biomass boiler system adjustable in air and backflow smoke ratio has the function that the air and backflow smoke ratio can be adjusted.

Description

technical field [0001] The invention relates to the technical field of biomass boiler equipment, in particular to a biomass boiler system with an adjustable ratio of air and return flue gas. Background technique [0002] As we all know, a biomass boiler is a type of boiler. A boiler that uses biomass energy as fuel is called a biomass boiler. It can be roughly divided into biomass steam boilers, biomass hot water boilers, biomass hot air stoves, and biomass heat-conducting oil furnaces. Wait. [0003] During the use of existing biomass boilers: It is often necessary to use the low-temperature and low-oxygen characteristics of flue gas recirculation to spray part of the flue gas into the appropriate position of the furnace again to reduce the combustion temperature of the furnace and control the oxygen content, so as to achieve The purpose of controlling the production of nitrogen oxides (ie NOx). The specific existing flue gas recirculation scheme is: before the air prehea...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23B80/02
CPCF23B80/02
Inventor 任现坤赵玲吴月季孟飞
Owner GUANGZHOU DEVOTION HOME ENVIRONMENT TECH CO LTD
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