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Flue components

A flue and component technology, used in combustion methods, lighting and heating equipment, exhaust gas devices, etc., can solve problems such as airflow disturbance in induced draft fan flue, eliminate uneven airflow, reduce pulsation and excitation, and eliminate hedging Effect

Active Publication Date: 2020-05-05
CHNA ENERGY INVESTMENT CORP LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The main purpose of the present invention is to provide a flue assembly to solve the problem of air flow disturbance in the flue of the induced draft fan in the prior art

Method used

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs.

[0026] In the present invention, unless stated otherwise, the used orientation words such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the parts themselves in the vertical, In terms of vertical or gravitational direction; similarly, for the convenience of understanding and description, "inner and outer" refer to the inner and outer relative to the outline of each component itself, but the above orientation words ...

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Abstract

The invention provides a flue assembly. The flue assembly comprises a main flue, a first flue, a second flue, a third flue, a communicating flue and a first flow guide plate. The first flue, the second flue and the third flue communicate with the main flue through the communicating flue. The first flue is located on the first side of the main flue, and the second flue and the third flue are positioned on the second side of the main flue. The first flow guide plate is arranged in the communicating flue, and is used for separating flue gas entering into the communicating flue from the second flue and flue gas entering the communicating flue from the third flue. The flue assembly solves the problem of disturbance of airflow in an induced draft fan flue in the prior art.

Description

technical field [0001] The invention relates to the technical field of fan flue, in particular to a flue assembly. Background technique [0002] With the continuous improvement of environmental protection standards, most power plants have undergone ultra-low emission transformation. When many power plants add new equipment, due to the limited space of the site, the flue connection is messy and complicated, and the flue design does not meet the design regulations. As a result, the flue gas flow field inside the flue is unbalanced, causing problems such as airflow hedging, flow asymmetry, and airflow pulsation, which eventually causes vibration of the flue and equipment. [0003] With the development of computer technology and the maturity of numerical simulation technology, fluid dynamics calculations have been widely and successfully applied in the auxiliary design and optimization of the flue gas system in thermal power plants, especially the installation of flow equalizat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23J11/00F23J13/00
Inventor 任仰成白继亮张仲琪陈海涛鲁学斌刘萍周雪丽
Owner CHNA ENERGY INVESTMENT CORP LTD
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