Desulfurization device for purifying gas

A desulfurization device and technology for gas purification, which are applied in the fields of gas fuel, combustible gas purification, liquid scrubbing gas purification, etc., can solve the problems of high construction cost and operating energy consumption, achieve the benefits of residence time, improve the gas-liquid mass transfer area, increase the Effect of gas-liquid contact area

Active Publication Date: 2013-05-22
BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of high construction cost and high energy consumption in operation of the desulfurization device used to remove high-sulfur concentration

Method used

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  • Desulfurization device for purifying gas
  • Desulfurization device for purifying gas
  • Desulfurization device for purifying gas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The desulfurization device described in this embodiment includes: a desulfurizer 3 and a gas-liquid separator 7 .

[0038] Such as figure 1 As shown, the desulfurizer 3 is sequentially provided with a buffer zone 4, a front-end convergence zone 5 and a rear-end diffusion zone 6 along the lateral direction. Nozzle 1, and the atomizing nozzle 1 is set close to the center of the buffer zone 4, and an air outlet is arranged in the rear-end diffusion area 6; in the front-end convergence area 5, the spray nozzle 1 The showering direction is perpendicular to the air intake direction of the air inlet 2; wherein, the buffer zone 4 is a cylinder with a constant diameter, and the front-end convergence zone 5 is a frustum-shaped cylinder that gradually shrinks along the gas flow direction, The contraction ratio of the front-end convergence zone 5 is 1:3; the rear-end diffusion zone 6 is a frustum-shaped cylinder gradually expanding along the gas flow direction, and the expansion r...

Embodiment 2

[0043] The desulfurization device described in this embodiment includes: a desulfurizer 3 and a gas-liquid separator 7 .

[0044] The desulfurizer 3 is sequentially provided with a buffer zone 4, a front convergence zone 5, a middle throat zone 9, and a rear diffusion zone 6 along the transverse direction. An atomizing nozzle 1, and the atomizing nozzle 1 is arranged near the center of the buffer zone 4, and an air outlet is arranged in the rear-end diffusion area 6; in the front-end convergence area 5, the atomizing nozzle 1 The spraying direction is perpendicular to the air intake direction of the air inlet 2; wherein, the buffer zone 4 is a cylinder with a constant diameter; the front end convergence zone 5 is a frustum-shaped cylinder that gradually shrinks along the gas flow direction body, the contraction ratio of the front-end convergence zone 5 is 1:3; the middle throat zone 9 is a cylindrical body with a constant diameter, that is, the diameter of the middle throat zo...

Embodiment 3

[0049] The desulfurization device described in this embodiment includes: a desulfurizer 3 and a gas-liquid separator 7 .

[0050] Such as figure 2 As shown, the desulfurizer 3 is sequentially provided with a buffer zone 4, a front convergence zone 5, a middle throat zone 9, and a rear diffusion zone 6 along the transverse direction. The buffer zone 4 is provided with an air inlet 2 and a The atomizing nozzle 1 of the desulfurization slurry, and the atomizing nozzle 1 is set close to the center of the buffer zone 4, and an air outlet is arranged in the rear-end diffusion area 6; in the front-end convergence area 5, the mist The spraying direction of the nozzle 1 is perpendicular to the air intake direction of the air inlet 2; wherein, the buffer zone 4 is a cylindrical body with a constant diameter; A frustum-shaped cylinder, the shrinkage ratio of the front-end convergence area 5 is 1:5; the middle throat area 9 is a frusto-conical cylinder that gradually shrinks along the g...

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Abstract

The invention relates to a desulfurization device which comprises a desulfurizer and a gas-liquid separator, wherein the desulfurizer is sequentially connected with and provided with a buffer region, a front-end convergence region and a back-end diffusion region in the transverse direction; the buffer region is provided with a gas inlet and a liquid nozzle for spraying desulfurization slurry; the back-end diffusion region is provided with a gas outlet; the front-end convergence region is a cylinder which is gradually contracted in the gas flow direction; the back-end diffusion region is a cylinder which is gradually expanded in the gas flow direction; the ratio of the lengths of the buffer region, the front-end convergence region and the back-end diffusion region in the transverse direction is (3-5):(4-6):(3-5); the gas-liquid separator is provided with a gas outlet and a liquid outlet; and the gas-liquid separator is connected with the gas outlet of the back-end diffusion region through a pipeline. The desulfurization device provided by the invention is low in construction cost, low in operation energy consumption and high in desulfurization efficiency.

Description

technical field [0001] The invention belongs to the field of gas purification, and in particular relates to a desulfurization device. Background technique [0002] h 2 S is a toxic, harmful and highly corrosive impurity widely present in coke oven gas, water gas, natural gas, biogas, crude synthesis gas, etc. 2 When the above gas of S is used as fuel, the H in it 2 S and its combustion product SO 2 All of them are toxic substances, which will cause environmental pollution. Therefore, the above-mentioned gases must be desulfurized and purified before being used as fuel. [0003] In order to ensure the effect of desulfurization, the prior art is used to remove H 2 The desulfurization device of S is usually equipped with packing or other desulfurization components, such as in the Chinese scientific and technological literature "Structure Improvement and Application of Desulfurization Tower in Crude Syngas Purification System" (August 2007, Big Nitrogen Fertilizer, Volume 30...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/80B01D53/52C10K1/08C10K1/10C10L3/10
Inventor 林科张旭之李廷均
Owner BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD
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