Smoke desulfurization tower with smashing device

A crushing device and desulfurization tower technology, which is applied to the separation of dispersed particles, chemical instruments and methods, separation methods, etc., can solve the problems of poor flow field stability, asymmetric process distribution, and increased oxygen content in boilers, so as to improve desulfurization efficiency, Improve the effect of smooth distribution

Active Publication Date: 2012-06-27
江苏佳鑫环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing defects in the design of adding a flapper valve at the bottom of the desulfurization tower include: increased oxygen content in the boiler; poor flow field stability and asymmetric flow distribution.

Method used

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  • Smoke desulfurization tower with smashing device
  • Smoke desulfurization tower with smashing device
  • Smoke desulfurization tower with smashing device

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Embodiment Construction

[0024] Below in conjunction with accompanying drawing, the present invention is described in detail, as figure 1 as shown, figure 2 As shown, a flue gas desulfurization tower with a crushing device in the present invention includes a tower body 1 composed of a smoke chamber, a spray chamber and a desulfurization chamber, and a desulfurization slag outlet 2 and an ash opening are arranged at the lower part of the tower body 1 3 and the flue gas inlet 4, the return ash inlet 6, the desulfurizer inlet 5 and the nozzle interface 8 are arranged in the middle of the tower body 1, the flue gas outlet 9 is arranged at the upper end of the tower body 1, and the desulfurization slag outlet 2 is connected with the flue gas Between the gas inlet 4 is the constriction section of the desulfurization tower outlet. The constriction section is in the shape of a sky circle, and the air distribution device 10 is evenly arranged on the inner circular cone slope of the constriction section. The n...

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Abstract

The invention discloses a smoke desulfurization tower with a smashing device, which comprises a tower body, wherein the lower part of the tower body is provided with a sulfur waste outlet, a dust-poking mouth and a smoke inlet; the central part of the tower body is provided with a returning dust inlet, a desulfurizer inlet and a nozzle interface; the upper end of the tower body is provided with a smoke outlet; an exit necking section of the desulfurization tower is arranged between the sulfur waste outlet and the smoke inlet; 4 to 20 discrete air distributors are uniformly arranged on the internal slope of the necking section; each air distributor is provided with an air outlet inclined upwards; a smashing device is also arranged in the tower body and on the upper ends of the air distributors. As the air distributors are arranged on the necking section, and the smashing device is arranged on the upper ends of the distributors, the falling dust in the tower is blown by the air distributors to mix with the smoke again after being smashed by the smashing device. The air distributors not only can blow the dust, but also improve smooth distribution in the tower through the action of air flow and enhance the desulfurization efficiency.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, in particular to a desulfurization tower for flue gas treatment. Background technique [0002] Harmful gases such as sulfur dioxide and nitrogen oxides in the flue gas produced when coal, oil, and gas are burned are discharged into the atmosphere, causing acid rain, destroying the ecological environment, and affecting human health. In response to the more stringent control standards proposed by my country's relevant environmental protection regulations on the allowable emission concentrations of sulfur dioxide and nitrogen oxides in flue gas, various flue gas desulfurization technologies, methods and devices have emerged as the times require. [0003] Coal-fired SO2 control methods can be divided into three categories: desulfurization before combustion, desulfurization during combustion, and desulfurization after combustion (flue gas desulfurization), among which flue gas desulfurizati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/83B01D53/50
Inventor 黄震邵亚锋缪缓钰
Owner 江苏佳鑫环保工程有限公司
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