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Tube bundle type dust and mist remover

A demister and tube-bundle technology, applied in chemical instruments and methods, dispersed particle separation, separation methods, etc., can solve the problem of secondary entrainment of liquid droplets captured by the guide ring, difficulty in controlling the thickness of the liquid film, and affecting dust and fog removal In order to achieve the effect of simple structure, fast construction speed and convenient installation

Pending Publication Date: 2020-11-10
内蒙古高原蓝节能环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the high-speed airflow passes through, it is difficult for the confluence ring to control the thickness of the liquid film, and the diversion ring has the problem that the captured liquid droplets are entrained twice, which affects the effect of the dust and mist eliminator

Method used

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  • Tube bundle type dust and mist remover
  • Tube bundle type dust and mist remover
  • Tube bundle type dust and mist remover

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0104] image 3 It is a schematic diagram of the connection and installation relationship of the tube bundle dust and mist eliminator and the upper fixing plate according to Embodiment 1 of the present invention. In Embodiment 1, a traditional tube bundle defogger is used, and the fixtures or components involved in its installation are optimally designed.

[0105] image 3 It shows a schematic top view of the structure after the upper fixing plate is installed in Embodiment 1, and shows the connection relationship between the upper fixing plate and the tube bundle cylinder of the tube bundle dust and mist collector.

[0106] Such as image 3 As shown, tube bundle cylinder 1 with opening diameter D=400mm and wall thickness 0.5cm is installed in advance with cyclone 3 and other tube bundle dust and fog removal components, and four tube bundle cylinders 1 are positioned in the desulfurization device according to the design requirements. The 4 corners are symmetrically opened w...

Embodiment approach 2

[0109] Figure 4-9 It is a schematic diagram of the connection and installation relationship of the tube bundle dust and mist eliminator and the upper and lower fixing plates according to Embodiment 2 of the present invention. The difference from Embodiment 1 is that, in addition to optimizing the design of the fixing devices or components involved in the installation of the tube bundle demisting cylinder, the structure of the gas outlet end of the tube bundle demisting cylinder is also improved.

[0110] Such as Figure 4 As shown, in Embodiment 2, the tube bundle cylinder 1 is assembled from the lower cylinder 11 and the upper cylinder 12, the connecting parts are connected by a butt ring 13 and sealed by a sealant 15, the lower cylinder 11 and the upper cylinder The cylinder contact end surface 14 of the body 12 is sealed by a sealant, and the butt ring 13 is fixed with bolts between the lower cylinder 11 and the upper cylinder 12 (not shown in the figure).

[0111] Such ...

Embodiment approach 3

[0122] Figures 10-14 It is a schematic diagram of a three-stage cyclone tube bundle dust and mist removal cylinder structure and related cyclone structure, which is the core component of the tube bundle dust and mist eliminator according to Embodiment 3 of the present invention. The difference from Embodiment 2 is that in Embodiment 3, the internal defogging components of the tube bundle defogging cylinder 1 are further improved, and the tube bundle cylinder 1 adopts a single-stage defogging cylinder.

[0123] Such as Figure 10 As shown, the tube bundle dust removal and mist removal cylinder with an opening diameter D=400mm and a wall thickness of 0.5cm includes a tube bundle cylinder 1, a confluence and diversion device 2, a primary cyclone 301, a secondary cyclone 302 and a tertiary cyclone flow device 303; the tube bundle cylinder 1 is a hollow cylinder with openings at both ends, and the tube bundle cylinder 1 is coaxially arranged in sequence from bottom to top with a ...

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Abstract

The invention relates to a tube bundle type dust and mist remover, which is mounted on a support beam in a desulfurizing tower and comprises an upper fixing plate, a tube bundle demisting cylinder anda lower fixing plate which are connected in sequence; wherein the tube bundle demisting cylinders are fixed on the supporting beam through the lower fixing plate, the supporting beam horizontally stretches across the inner wall of the desulfurizing tower, and the plurality of tube bundle demisting cylinders are connected in parallel through the upper fixing plate and the lower fixing plate; a circular upper vent hole and a circular lower vent hole are respectively formed in an annular ring formed by the connecting parts of the tube bundle demisting cylinder and the upper fixing plate and thelower fixing plate in a penetrating manner; the upper fixing plate and the lower fixing plate are both square plates with the side length larger than the outer diameter of the tube bundle demisting barrel. The dust and mist remover can be formed by modifying an existing wet-process desulfurization column and is high in construction speed; wherein the structures of the upper fixing plate and the lower fixing plate are adjusted, so that the stability of the tube bundle type dust and mist remover is enhanced, the construction is convenient, secondary entrainment of a liquid film formed on the inner wall of the barrel is prevented, and ultralow emission is realized.

Description

technical field [0001] The invention belongs to the technical field of flue gas treatment, in particular to a tube bundle dust and mist removal device in the process of boiler flue gas treatment. Background technique [0002] The demister is the key equipment in the wet desulfurization system, and its performance directly affects the continuous and reliable operation of the wet scrubbing flue gas desulfurization system. The tube-bundle dust and mist collector is usually connected by multiple tube bundle dust and mist removal cylinders. The mist removal cylinder includes multi-stage cyclones and confluence diversion devices. When the desulfurized flue gas passes through the cyclones, centrifugal motion occurs. Fine mist and dust particles are separated from the gas under the action of centrifugal force and flow down along the inner wall of the demister tube to realize gas dedusting and demisting. [0003] Existing tube-bundle dust and mist eliminators are modified by using t...

Claims

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Application Information

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IPC IPC(8): B01D45/16B01D45/14B01D45/18
CPCB01D45/16B01D45/14B01D45/18
Inventor 赵鹏飞党永清贾伟华
Owner 内蒙古高原蓝节能环保科技有限公司
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