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A downstream non-winding spiral line defogging device

The technology of a defogging device and non-twisting vortex is applied in the field of downstream non-twisting spiral defogging devices, which can solve the problem of the large area of ​​​​the electrostatic demister, the low efficiency of the baffle demister, and the cyclone demister. Large resistance and other problems, to achieve the effects of high demisting efficiency, small over-current resistance loss and strong engineering reliability

Inactive Publication Date: 2016-03-16
WUHAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] To sum up, the main problems existing in the existing demister technology are: the efficiency of the baffle demister is low, the resistance of the cyclone demister is large, the wire mesh demister is easy to block, and the electrostatic demister occupies a large area; The above-mentioned demisters also have the problem of fouling when they work for a long time in a wet environment, and they all need to be connected to the flue by separate intake pipes and exhaust pipes

Method used

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  • A downstream non-winding spiral line defogging device
  • A downstream non-winding spiral line defogging device
  • A downstream non-winding spiral line defogging device

Examples

Experimental program
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Effect test

Embodiment 1

[0039] Disclosed is a downstream non-winding spiral line defogging device. Such as figure 1 As shown, the demisting device is composed of a housing 1 , a sealed box 2 , a rotating device 3 and a water collecting box 4 .

[0040] Such as image 3 As shown, the housing 1 includes a small round tube 5, a mounting bracket 6 and a large round tube 7, the small round tube 5 and the large round tube 7 are airtightly and fixedly connected to the center, and the inner wall of the large round tube 7 is fixed with the mounting bracket 6. Such as Figure 4 As shown, the mounting frame 6 is composed of two parallel steel beams 8 and a mounting plate 9 . Such as image 3 and Figure 4 As shown, the mounting plate 9 is fixed at the middle position of two parallel steel beams 8, and the two steel beams 8 are close to the end faces of the small round tubes 5. The pipe wall of the large round pipe 7 is provided with a water collecting tank connecting hole, and the two ends of the housing ...

Embodiment 2

[0049] Disclosed is a downstream non-winding spiral line defogging device. Such as figure 2 As shown, the demisting device is composed of a housing 1 , a sealed box 2 , a rotating device 3 and a water collecting box 4 . The structures of the casing 1, the sealing box 2 and the rotating device 3 are the same as those of the first embodiment.

[0050] Such as Figure 9 As shown, the water collection box 4 is funnel-shaped, and the big end of the water collection box 4 is welded as one with the water collection box connection hole of the large round pipe 7 of the housing 1, and the small end of the water collection box 4 is equipped with a valve body. The included angle α=0° between the central axis of the water collecting tank 4 and the end face of the large round pipe 7 of the housing 1 means that the connected flue is a horizontal flue.

[0051] The diameter of the disc 15 is 25-30mm larger than the diameter of the hemispherical shell 17, and 20-32 wiring holes are uniform...

Embodiment 3

[0056] Disclosed is a downstream non-winding spiral line defogging device. Except following technical parameter, all the other are with embodiment 1:

[0057] The included angle α between the central axis of the water collecting tank 4 and the end face of the large round pipe 7 of the housing 1 is greater than 0° and less than 30°, or the included angle α between the central axis of the water collecting tank 4 and the end face of the large round pipe 7 of the housing 1 is greater than 30° and less than 45°.

[0058] Compared with the prior art, this specific embodiment has the following beneficial effects:

[0059] (1) When the mist-containing smoke passes through the high-speed rotating fiber net 14, it collides with the fiber net 14, is intercepted by the fiber net 14, and is thrown to the wall of the large round tube 7 along the warp under the action of centrifugal force; The separated water and dust particles flow into the water collection tank 4 along the pipe wall of t...

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Abstract

The invention relates to a downstream non-winding spiral line defogging device. The technical solution is: the small round tube (5) and the large round tube (7) are airtightly and fixedly connected to the center, and the inner wall of the large round tube (7) is fixed with a mounting frame (6); the opening end of the cylinder body (10) is fixed on the mounting frame On the mounting plate (9) of (6), the other end of the cylinder (10) communicates with one end of the conduit (11). The disc (15) of the rotating device (3) is equipped with a fiber net (14) near the round edge, and the variable frequency motor (12) is fixed at the center of the mounting plate (9); the output shaft of the variable frequency motor (12) Pass through the mounting plate (9) and connect with the connecting rod (16) coaxially; the water collection tank (4) and the water collection tank connection hole of the large round pipe (7) are welded as one; the central axis of the water collection tank (4) and the large round pipe ( 7) The angle α=0~45° of the end face. The invention has the characteristics of high demisting efficiency, small resistance, no clogging, anti-scaling, strong reliability, no occupied area, and direct connection with flues with different inclination angles.

Description

technical field [0001] The invention relates to a wet flue gas demisting device. In particular, it relates to a downstream non-winding spiral line defogging device. Background technique [0002] The mist eliminator is the key equipment in the wet dust removal, flue gas desulfurization and denitrification system. After wet dust removal, desulfurization and denitrification process, the saturated wet flue gas passes through the demister to remove most of the droplets, and the flue gas that reaches the standard is discharged through the chimney. At present, the demisters mainly include baffle plate demisters, cyclone demisters, wire mesh demisters and wet electrostatic demisters. [0003] The baffle plate demister has small resistance and simple structure, and has a good demisting effect on coarse droplets (Yang Liu, Wang Shihe, Wang Xiaoming. Research on demisting characteristics of desulfurization demister. Chinese Journal of Power Engineering. 2005, 25(2): 289-292), which ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D45/14B01D45/08
CPCB01D45/08B01D45/14
Inventor 向晓东常玉锋秦显显
Owner WUHAN UNIV OF SCI & TECH
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