Material return anti-blocking device and smoke circulation semidry method desulfurization system with same

An anti-blocking and material-returning technology, which is applied in the field of sintering flue gas desulfurization, can solve problems such as blockage of the circulation return material conveying channel, difficulty in cleaning, and affecting the operation of the desulfurization system, so as to avoid material blockage, ensure normal operation, and return material to the conveying channel smooth effect

Active Publication Date: 2018-06-05
MAANSHAN IRON & STEEL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the desulfurization process, affected by factors such as the amount of water added and temperature changes, the circulating digested lime is easy to form large pieces
If the large pieces are not disposed of in time, it will cause blocka

Method used

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  • Material return anti-blocking device and smoke circulation semidry method desulfurization system with same
  • Material return anti-blocking device and smoke circulation semidry method desulfurization system with same

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Embodiment Construction

[0019] The specific embodiment of the present invention will be described in further detail by describing the embodiments below with reference to the accompanying drawings. The purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present invention. and contribute to its implementation.

[0020] Such as figure 1 and figure 2 As shown, the present invention provides a return material anti-blocking device suitable for flue gas circulation semi-dry desulfurization system, including a crushing cylinder arranged between the return ash hopper and the lower hopper of the desulfurization bag filter and a rotatable The crushing knife is arranged inside the crushing cylinder and is used for crushing the block materials entering the crushing cylinder.

[0021] Specifically, as figure 1 and figure 2 As shown, the returning ash hopper, the crushing cylinder and the lower hopper ...

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Abstract

The invention discloses a material return anti-blocking device comprising a crushing barrel and a crushing cutter. The crushing barrel is arranged between a material return ash bucket of a desulfurization bag-type dust collector, and a discharge hopper. The crushing cutter is rotationally arranged in the crushing barrel and is used for crushing block materials entering the crushing barrel. Throughthe material return anti-blocking device, block lime falling from the material return ash bucket of the desulfurization bag-type dust collector can be crushed, the completely crushed materials fall smoothly from the discharge hopper, normal passing of circulation nitration lime on a subsequent channel is ensured, a material return conveying channel of a smoke circulation semidry method desulfurization system is smooth, and normal operation of the desulfurization system is ensured. The invention further provides the smoke circulation semidry method desulfurization system.

Description

technical field [0001] The invention belongs to the technical field of sintering flue gas desulfurization, in particular, the invention relates to a material return anti-blocking device and a flue gas circulation semi-dry desulfurization system with the same. Background technique [0002] With the implementation of the new national "Environmental Protection Law", all domestic sintering and pelletizing production lines are equipped with flue gas desulfurization facilities, of which flue gas circulation semi-dry desulfurization facilities account for about 1 / 3. In the flue gas circulation semi-dry desulfurization system, in order to reduce the operating cost, it is necessary to return the digested lime for recycling. In the desulfurization process, affected by factors such as the amount of water added and temperature changes, the circulating digested lime is easy to form large pieces. If the large pieces are not disposed of in time, it will cause blockage of the circulation r...

Claims

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Application Information

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IPC IPC(8): B02C18/14B02C18/18B01D53/81B01D53/48B01D46/02
CPCB01D46/02B01D53/48B01D53/81B01D2251/404B01D2251/606B01D2258/0283B02C18/14B02C18/18
Inventor 张晓萍李帮平李小静金俊武轶刘英才
Owner MAANSHAN IRON & STEEL CO LTD
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