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Fluidized bed reactor and internal component thereof

A fluidized bed reactor and internal components technology, applied in chemical instruments and methods, dispersed particle separation, separation methods, etc., can solve the problems of uneven radial distribution of solid particles, unsatisfactory gas-solid contact reaction efficiency, etc. Improves fluidization quality, improves stability and uniformity, reduces amplitude

Inactive Publication Date: 2013-12-25
中国大唐集团科学技术研究总院有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the technical problem to be solved in this application is to provide a fluidized bed reactor and its internal components, so as to solve the problem of uneven radial distribution of solid particles and gas-solid contact reaction in the known fluidized bed flue gas desulfurization process The problem of unsatisfactory efficiency

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  • Fluidized bed reactor and internal component thereof
  • Fluidized bed reactor and internal component thereof
  • Fluidized bed reactor and internal component thereof

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Embodiment Construction

[0012] The implementation of the present application will be described in detail below in conjunction with the drawings and examples, so that the realization process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0013] Please refer to figure 1 and figure 2 The fluidized bed reactor 10 disclosed in the first embodiment of the present application includes a tower 110 and an internal member 120. The tower 110 has an air inlet 111, an exhaust port 112 and a feed inlet 113. The air port 111 and the exhaust port 112 are respectively disposed at two opposite ends of the tower 110 , and the feed port 113 is disposed on a side of the tower 110 adjacent to the gas inlet 111 . The inner member 120 includes a hollow tube 121 and a plurality of fins 122. The hollow tube 121 has a first end 1211 and a second end 1212 opposite to each other and extends along the second end...

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Abstract

The application discloses a fluidized bed reactor and an internal component thereof. The fluidized bed reactor comprises a tower in which the internal component is configured. The internal component comprises a hollow tube and a plurality of fins, wherein the hollow tube is provided with a contact surface; the fins are arranged on the outer surface of the hollow tube at intervals and respectively provided with a flow guide face. When entering the tower through a feed port, solid particles are driven by a fluid to hit the contact surface and the flow guide faces and distributed in the tower in the radial direction, so that the solid-gas contact reaction is promoted, the gas-solid radial distribution is improved and the fluid field is optimized.

Description

technical field [0001] The application belongs to the field of chemical reactors, and in particular relates to a fluidized bed reactor and internal components thereof. Background technique [0002] Generally, in the desulfurization tower used in the semi-dry circulating fluidized bed flue gas desulfurization (Circular Fluid Bed-Flue Gas Desulfurization, referred to as CFB-FGD) process, the flow characteristics of solid desulfurizer particles are affected by the concentration of solid particles in the tower. The two important factors of desulfurization efficiency are both directly related to the motion characteristics of desulfurizer solid particles. Most of the circulating fluidized bed flue gas desulfurization units in operation at present have uneven radial distribution of desulfurizer solid particle motion parameters in the dense phase area of ​​the tower, and The resulting gas-solid radial mixing ability is weak, and the gas-solid contact reaction efficiency is not ideal...

Claims

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Application Information

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IPC IPC(8): B01D53/83B01D53/48
Inventor 王虎李少华孙佰仲郭婷婷
Owner 中国大唐集团科学技术研究总院有限公司