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Circulating fluidized bed boiler

A circulating fluidized bed and boiler technology, which is applied in the direction of fluidized bed combustion equipment, burning fuel in a molten state, lighting and heating equipment, etc., can solve the problem of easy deformation of the heating surface of the heating tube panel, and avoid deformation of the heating surface Effect

Pending Publication Date: 2021-12-07
SHENHUA GUONENG ENERGY GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention discloses a circulating fluidized bed boiler to solve the problem that the heating surface of the heating tube panel is easily deformed

Method used

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  • Circulating fluidized bed boiler
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  • Circulating fluidized bed boiler

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Embodiment Construction

[0034] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and corresponding drawings. Apparently, the described embodiments are only 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.

[0035] The technical solutions disclosed by various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] Such as Figure 1 to Figure 5 As shown, the embodiment of the present invention provides a circulating fluidized bed boiler, which includes a furnace body 100 , an inlet header 200 , an ...

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Abstract

The invention discloses a circulating fluidized bed boiler which comprises a boiler body, an inlet header, an outlet header and a heated tube panel. The inlet header is located at the bottom of the boiler body, the outlet header is located at the top of the boiler body, the boiler body is provided with a hearth, the heated tube panel is located in the hearth, and the bottom of the heated tube panel extends out of the hearth to be connected with the inlet header. The top of the heated tube panel extends out of the hearth and is connected with the outlet header. The heated tube panel comprises a plurality of tube panel units, each tube panel unit comprises a plurality of heated tubes, the tube panel units are connected with the inlet header and the outlet header, and an expansion gap is formed between every two adjacent tube panel units. The problem of deformation of the heated surface of the heated tube panel in the prior art can be solved.

Description

technical field [0001] The invention relates to the technical field of power generation equipment, in particular to a circulating fluidized bed boiler. Background technique [0002] The current social development has increasingly stringent requirements for efficient use of energy and environmental protection. Circulating fluidized bed boilers with the advantages of wide adaptability to coal types and low pollutant emissions are more and more widely used. In recent years, circulating fluidized bed boilers have not only been used in units The installed capacity is growing rapidly, and a single unit is also developing towards higher parameters and larger capacity. Due to the improvement of the operating parameters of the unit and the continuous increase of the size of the boiler, the heat exchange area required by the circulating fluidized bed boiler will also increase significantly. The spacing keeps decreasing, but then there are problems such as easy deformation of the heat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C10/00F23C10/18
CPCF23C10/00F23C10/18
Inventor 杜佳军曹培庆张鹏赵勇纲王虎邬万竹段守保
Owner SHENHUA GUONENG ENERGY GRP