Rear spiral-separation dewatering device for smoke water removal

A dehydration device and flue gas technology, applied in gas treatment, separation method, dispersed particle separation, etc., can solve problems such as secondary entrainment of droplets

Active Publication Date: 2019-04-16
中国石油集团东北炼化工程有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention only uses the mechanical structure to separate the mixed items once, which can easily cause the secondary entrainment of droplets

Method used

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  • Rear spiral-separation dewatering device for smoke water removal
  • Rear spiral-separation dewatering device for smoke water removal
  • Rear spiral-separation dewatering device for smoke water removal

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Embodiment Construction

[0019] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0020] Such as figure 1 and figure 2 As shown, it is the equivalent ratio model of flue gas dehydration. The inner diameter of the flue gas channel is 209mm, and the overall height is 4000mm. The simulation of the pre-experimental environment provides 1000Nm with a simulated water content of 20%. 3 / h of flue gas, and ensure that the working temperature of the water removal pipeline is 60°C, and set up no special design pipeline for comparative tests.

[0021] The installation method of the cyclone separator is determined by CFD software simulation according to the specific geometric dimensions of the flue and i...

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Abstract

The invention belongs to the technical field of wet method desulfurization technology tail gas dewatering postprocessing, and provides a rear spiral-separation dewatering device for smoke water removal. A water removal pipeline is added on the basis of a smoke water removal device, after smoke enters a smoke inlet to be sequentially dewatered and processed by a spiral-separation blade and the water removal pipeline, gas is discharged out of a smoke outlet, and a water body is discharged out of a drain outlet in the lower portion of the water removal pipeline. In actual work, after the water-containing smoke enters the water removal pipeline through a gas inlet pipeline under the flow guide effect of the spiral-separation device and inverted circular truncated cone-shaped filler, the smokehits wall surface drainage filler, and under the effect of a high-molecular drainage material, liquid drops condense and converge and then flow out of a smoke duct so that the final smoke dewatering aim is achieved.

Description

technical field [0001] The invention belongs to the technical field of tail gas dehydration post-treatment of wet desulfurization technology, in particular to a post-spinning dehydration device for flue gas dehydration. Background technique [0002] SO in factory flue gas 2 Emissions are one of the main causes of air pollution, and wet desulfurization technology is a common technology. However, the water content (gaseous and liquid) of the tail gas after the wet desulfurization technology is as high as 20%, and the flue gas will gather into droplets on the pipe wall of the flue, which will cause rain, cause corrosion to the pipe wall and even the fan, and cause the wet desulfurization system outage, and may even cause the entire unit to shut down. The commonly used solution for flue gas dehydration is the corrugated plate demister, whose efficiency of separating and recovering liquid water can reach 50%. The principle of dehydration in the flue is that the fine droplets a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D45/14B01D53/26
CPCB01D45/14B01D53/26B01D2257/80B01D2258/0283
Inventor 张宏利刘威王俊张硕
Owner 中国石油集团东北炼化工程有限公司
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