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Horizontal pulverized coal boiler with single furnace pipe

A pulverized coal boiler and furnace furnace technology is applied in the directions of using multiple fuel combustion, block/powder supply/distribution, using block fuel and powder fuel combustion, etc., and can solve problems such as inconvenient operation of furnace furnace, etc. Achieve high position accuracy, improve efficiency, and ease of assembly

Active Publication Date: 2021-06-18
HANGZHOU JUNENG BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present disclosure provides a horizontal single-furnace pulverized-coal boiler, which solves the technical problem of inconvenient operation when the furnace is assembled in the prior art

Method used

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  • Horizontal pulverized coal boiler with single furnace pipe
  • Horizontal pulverized coal boiler with single furnace pipe
  • Horizontal pulverized coal boiler with single furnace pipe

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Embodiment Construction

[0038] The specific embodiments shown below are intended as a description of various configurations of the disclosed subject technology, and are not intended to represent the only configurations in which the disclosed subject technology may be practiced. The specific embodiments include specific details to provide a thorough understanding of the technology of the disclosed subject matter. It will be clear and obvious, however, to those skilled in the art that the disclosed subject technology is not limited to the specific details shown herein and can be practiced without these specific details.

[0039] Generally, the operating principle of a pulverized coal boiler is that the pulverized coal and the primary air burner 1 are sprayed into the furnace body 202, and the tertiary air or return air enters the furnace body 202 according to a certain proportion. The fuel has a higher combustion efficiency, thereby improving the efficiency of the boiler. The high-temperature flue gas...

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Abstract

A horizontal pulverized coal boiler with a single furnace pipe of the present disclosure comprises a combustor, a furnace pipe assembly and a reversal chamber, wherein the combustor is arranged at one end of the furnace pipe assembly, and the reversal chamber is arranged at the other end of the furnace pipe assembly. The furnace pipe assembly comprises a combustion ring forming a combustion chamber, a furnace pipe body and a reversal ring forming a channel. The furnace pipe body comprises at least two pipe sections which are spliced to form the furnace pipe body, wherein a connecting ring groove is formed in the end face of one pipe section, an annular connecting rib matched with the connecting ring groove is arranged on the end face of the other pipe section spliced with the pipe section, and a turbulator is arranged in the furnace pipe body. According to the scheme, in the practical application process, the turbulator is arranged in the furnace pipe body and is mainly used for disturbing the flow speed of smoke in the furnace pipe body, so that the furnace pipe body has higher heat transfer efficiency, and the boiler power can be improved. The inner side walls of the pipe sections are wave-shaped, so that the circulation state of the flue gas in the furnace pipe body is further optimized, and the performance of the boiler is optimized.

Description

technical field [0001] The present disclosure relates to the technical field of boilers, in particular to a horizontal single furnace gallbladder pulverized coal boiler. Background technique [0002] The furnace is an important part of the boiler, which plays an important role in fuel combustion and radiation heat transfer. The wall of the traditional furnace is smooth and cylindrical, which is not conducive to the combustion of fuel in the furnace and the disturbance of flue gas, and the heat transfer effect is poor. In addition, the furnace furnace in the prior art usually adopts a split structure to facilitate the operation and installation of the furnace furnace. [0003] In the prior art, the furnace is usually formed by several sections of welding. The furnace with this structure cannot effectively locate the relative position between the two assembled sections when assembling, resulting in low welding efficiency and errors in the assembly process of the furnace. Big...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C3/00F23C5/02F23C9/00F23K3/02
CPCF23C3/00F23C5/02F23C9/003F23K3/02
Inventor 周海能
Owner HANGZHOU JUNENG BOILER
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