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Center blunt-body fluidized smoke purifying apparatus

A flue gas purification and fluidization technology, used in chemical instruments and methods, dispersed particle separation, separation methods, etc., can solve problems such as wall scaling, and achieve the effect of ensuring flow structure and reaction characteristics

Inactive Publication Date: 2008-08-20
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of wall fouling caused by load changes in the prior art, the present invention proposes a central blunt body type fluidized flue gas purification device, which consists of a tower body 1, an atomizing nozzle 2 and The central blunt body 3 is composed of the lower end of the axial section of the central blunt body 3 having a pointed shape with a lower included angle of β and an upper included angle of α

Method used

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  • Center blunt-body fluidized smoke purifying apparatus
  • Center blunt-body fluidized smoke purifying apparatus
  • Center blunt-body fluidized smoke purifying apparatus

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specific Embodiment approach 1

[0007] Specific implementation mode one: (see figure 1 , figure 2 ) This embodiment is composed of a tower body 1, an atomizing nozzle 2 and a central blunt body 3. The lower end of the axial section of the central blunt body 3 is in the shape of a sharp angle and the angle between the lower part is β. The lower part of the central blunt body 3 is clamped Angle β=20°~75°; the upper end of the axial section of the central blunt body 3 is pointed and the upper angle is α, and the upper angle α of the central blunt body 3=40°~90°; The central blunt body 3 is arranged in the tower body 1 above the entrance of the tower body, the atomizing nozzle 2 is arranged above the central blunt body 3 and the distance from the upper end of the central blunt body 3 to the atomizing nozzle 2 is L; the upper part of the blunt body is treated as The shape of the spire can ensure that the system stops ash discharge and the large particles above the reaction tower are discharged in time during th...

specific Embodiment approach 2

[0008] Specific implementation mode two: (see figure 2 ) The difference between this embodiment and the first embodiment is that the transverse cross-sectional shape of the central blunt body 3 and the tower body 1 is a circular cross-section. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0009] Specific implementation mode three: (see image 3 ) The difference between this embodiment and the specific embodiment 1 or 2 is that the transverse cross-sectional shape of the central blunt body 3 and the tower body 1 is a rectangular cross-section. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The present invention relates to a central inactive body type fluidized flue gas cleaning equipment. It is formed from tower body, atomizing nozzle and central inactive body. The lower end of axial section of said central inactive body is made into the form of sharp angle, and its lower portion included angle is beta, said central inactive body is placed in the tower body interior over the tower body inlet, the atomizing nozzle is placed in the upper portion of said central inactive body and the distance from upper end of said central inactive body to atomizing nozzle is L. Said central inactive body has good flow-equalizing and flow-stabilizing characteristics.

Description

technical field [0001] The invention relates to a flue gas pollution treatment device, which belongs to the field of environmental protection and chemical industry; in particular, it relates to a fluidized flue gas purification device. Background technique [0002] Among flue gas pollution control technologies, semi-dry flue gas circulating fluidized bed desulfurization technology has been widely used due to its comprehensive advantages in technology and cost. At present, an important problem facing this technology is how to ensure sufficient mixing and stable operation of hot flue gas, solid particles, liquid water mist or desulfurizer slurry mist in the tower. Due to the simultaneous existence of gas-solid-liquid three-phase and the simultaneous heat and mass transfer process, once the flow field structure deteriorates, it is very easy to cause wall scaling in the atomization evaporation area, and unfavorable agglomeration of solid particles, resulting in blockage and loss...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/80
Inventor 高继慧吴少华秦裕琨高建民李争起陈力哲
Owner HARBIN INST OF TECH