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Device and method for atomizing turbulent agglomerated granules

A technology for agglomerating particles and particulate matter, which is applied in the field of industrial smoke dust particulate matter emission control, can solve the problems of complicated device and difficult promotion, and achieves the effects of convenient operation, low price and good agglomeration effect.

Inactive Publication Date: 2017-03-15
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method is simple to operate and has strong adaptability, but the device is complicated and needs to consider whether there is enough space for layout, so it is not easy to popularize

Method used

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  • Device and method for atomizing turbulent agglomerated granules
  • Device and method for atomizing turbulent agglomerated granules
  • Device and method for atomizing turbulent agglomerated granules

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Embodiment Construction

[0039]The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0040] like figure 1 As shown, the main structure of the device of the present invention includes a housing 1 preferably with a rectangular cross-section, a flue gas heat exchanger 2 , guide vanes 3 , a two-fluid atomizing injection section 4 and a turbulent agglomeration section 5 . The flue gas heat exchanger 2 is a partitioned wall heat exchanger, and the pipes of the heat exchanger can be smooth round tubes or spiral finned tubes. The guide vanes 3 are multiple guide curved surfaces with a streamlined outer contour, and the guide curved surfaces can be rotated and adjusted, preferably fine-tuned, by the linkage control shaft 6 and the control motor 7 connected to the side of the flue of the housing 1 . The two-fluid atomizing injection section 4 includes an air supply pipeline for air sup...

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Abstract

The invention discloses a device and method for atomizing turbulent agglomerated granules. The device is simple in structure, good in agglomeration effect and good in universality. The device comprises a shell, wherein a fume channel is formed inside the shell; a fume heat exchanger, guide blades, a double-fluid ejection atomization section and a turbulent agglomeration section are sequentially arranged inside the shell in a fume flowing direction; the fume heat exchanger is used for reducing the temperature of dust-containing fume to T, wherein T is not higher than condensation temperature of steam in the dust-containing fume; the guide blades are used for adjusting the flowing direction so that the flowing direction of granules in the dust-containing fume trends to be accordant with that of the fume; the double-fluid ejection atomization section comprises a gas supply pipeline, a water supply pipeline and double-fluid nozzles; the ejection directions of the double-fluid nozzles for connecting the gas supply pipeline and the water supply pipeline are parallel to the flowing direction of the fume; the turbulent agglomeration section comprises a plurality of turbulent elements which are arranged in sequence or in a staggered manner, and two ends of each turbulent element are fixed on the inner wall of the shell; and the turbulent elements comprise boundary plates which are symmetrically arranged by taking the fume direction as an axis of symmetry, and the front ends of the boundary plates are fixedly connected.

Description

technical field [0001] The invention relates to the technical field of emission control of industrial smoke and dust particles, in particular to a device and method for atomizing turbulent flow and agglomerating particles. Background technique [0002] Coal-fired flue gas particulate matter pollution is the focus of current society's general concern and environmental pollution control. Fine particulate matter (aerodynamic diameter less than 2.5 μm, referred to as PM2.5) in coal-fired flue gas is difficult to be removed by traditional dust removal equipment and easily absorbed by the human body, thus causing serious air pollution. At present, most coal-fired power plant boilers and industrial furnaces in my country use electrostatic precipitators to control the removal of flue gas particles, and the removal efficiency can be as high as 99%. However, the removal effect of electrostatic precipitators on fine particles is not good. It is estimated that more than 90% of fine part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D51/02B01D47/06
CPCB01D47/06B01D51/02B01D2258/0283
Inventor 谭厚章刘鹤欣杜勇乐李艳
Owner XI AN JIAOTONG UNIV
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