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Flue gas heating system

A flue gas heating and flue gas technology is applied in the field of flue gas heating to achieve the effects of uniform temperature field, stable temperature field and low cost

Pending Publication Date: 2019-08-23
北京永博洁净科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] To this end, the present invention provides a flue gas heating system to solve or at least alleviate the above problems

Method used

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Embodiment Construction

[0026] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0027] As mentioned above, the heating furnaces used for flue gas heating in the prior art have more or less certain functional defects during use, so the present invention proposes a flue gas heating system 100 with more optimized performance. figure 1 A schematic structural diagram of the flue gas heating system 100 of the present invention is shown.

[0028] Such as figure 1 As shown, the flue gas heating system 100 includes a ...

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Abstract

The invention discloses a flue gas heating system. The flue gas heating system is suitable for heating raw flue gas. The flue gas heating system comprises a flue, at least two burners and a combustion-supporting air system, wherein the flue is suitable for inletting raw flue gas, the burners are arranged at the opposite two sides of the flue, the burners are provided with combustion chambers, thecombustion chambers are arranged in the flue and used to combust fuel gas, the raw flue gas is mixed after being heated by the combustion chambers to form mixed flue gas, the combustion-supporting airsystem is connected to the burners and the flue, the combustion-supporting air system comprises a combustion-supporting fan, and the combustion-supporting fan communicates with the flue at the downstream of the burners so as to extract partial mixed flue gas in the flue or air in the atmosphere into the burners. The flue gas heating system can prevent the amount of the mixed flue gas in the fluefrom increasing too fast, ensures the negative pressure environment in the flue, and makes the flue gas heating process more stable and safer.

Description

technical field [0001] The invention relates to the technical field of flue gas heating, in particular to a flue gas heating system. Background technique [0002] In the iron and steel, metallurgy and coal chemical industries, the exhaust gas temperature of sintering machines and other equipment is relatively low. In order to meet the subsequent denitrification treatment or other process requirements in SCR equipment, the exhaust gas needs to be heated. There are many ways to heat flue gas, such as directly adding heat exchangers, setting up electric heating, etc. to heat by introducing high-temperature heat sources. These methods require additional heat sources, resulting in high operating costs. [0003] In addition, a large amount of fuel gas such as blast furnace gas and coke oven gas is usually produced in industrial equipment in the iron and steel, metallurgy and coal chemical industries. Therefore, in the prior art, many enterprises will use these fuel gas burners, b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/06F23G5/16F23G5/44
CPCF23G7/06F23G5/16F23G5/44
Inventor 张永和王博王超欧宗现
Owner 北京永博洁净科技有限公司
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