Return material anti-blocking device and flue gas circulation semi-dry desulfurization system with it
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 circulating material-returning conveying channels, difficulty in cleaning, and affecting the operation of the desulfurization system, so as to ensure normal operation, avoid material blocking, and material-returning conveying channels smooth effect
Active Publication Date: 2021-04-13
MAANSHAN IRON & STEEL CO LTD
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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 blockage of the circulation return conveying channel, and it is not easy to clean, thus affecting the normal operation of the desulfurization system
In the prior art, there is no effective means to deal with large chunks of recycle digested lime
Method used
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[0024] 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.
[0025] Such as figure 1 with 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.
[0026] Specifically, as figure 1 with figure 2 As shown, the returning ash hopper, the crushing cylinder and the lower hoppe...
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The invention discloses a return material anti-blocking device, which comprises a crushing cylinder arranged between the return ash hopper and the lower hopper of the desulfurization bag filter, and a rotatable device arranged inside the crushing cylinder for crushing the dust entering the crushing cylinder. A crushing knife for crushing lumpy materials. The return material anti-blocking device of the present invention can crush the massive lime falling from the return material hopper of the desulfurization bag filter, and the completely crushed material will fall smoothly from the lower hopper, ensuring that the recycled digested lime will pass through the follow-up channel The normal traffic on the flue gas circulation semi-dry desulfurization system is smooth, ensuring the normal operation of the desulfurization system. The invention also provides a flue gas circulation semi-dry 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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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