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Cement kiln scr denitrification system high temperature dust collection ash cooling system and method

A technology for dust collection and cement kiln, applied in the field of SCR denitration system, can solve the problems of high cost of purchasing equipment, poor dust collection and cooling effect, etc., to save power consumption and operating costs, improve conveying performance, and reduce equipment selection. Effect

Active Publication Date: 2021-07-20
成都建筑材料工业设计研究院有限公司
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Problems solved by technology

[0011] The present invention aims to provide a high-temperature dust-collecting ash cooling system and method for cement kiln SCR denitrification system, so as to solve the problem of poor dust-collecting and cooling effect or high cost of purchasing equipment in the existing SCR system dust-collecting ash collection device

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  • Cement kiln scr denitrification system high temperature dust collection ash cooling system and method

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Embodiment

[0050] see figure 1 , the present embodiment proposes a cement kiln SCR denitrification system high-temperature dust collection ash cooling system, which includes the original cooling adjustment device 1 of the cement kiln system, an air delivery chute 15 and a chain conveyor 16, and also includes a screw conveyor 3, Bucket elevator 4, kiln dust buffer bin 6, Roots blower 7, inflatable distribution box 8 and air conveying chute 15.

[0051] Set up dust collecting ash entrance 19 on cooling adjustment device 1, be used to pass into the dust collecting ash 20 from SCR denitrification tower and dust collector; The entrance and the outlet of the bucket elevator 4 are connected to the kiln dust buffer bin 6; the outlet of the kiln dust buffer bin 6 is connected to the inflatable distribution box 8; The second road 22 is connected to the chain conveyor 16; the outlet of the air delivery chute 15 and the outlet of the chain conveyor 16 are connected to the kiln dust hoist 17 at the ...

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Abstract

The present invention relates to the technical field of SCR denitrification system, and aims to solve the problem of poor dust collection and cooling effect of the existing SCR system dust collecting ash collection device or the high cost of purchasing a separate cooling device, and provides a cement kiln SCR denitrification system high temperature dust collection ash cooling system and method. Cement kiln SCR denitrification system High-temperature dust collection and ash cooling system includes the original cooling adjustment device of the cement kiln system, air conveying chute and chain conveyor, also includes screw conveyor, bucket elevator, kiln dust buffer bin, Roots blower , an inflatable distribution box and an air conveying chute; the outlet of the cooling adjustment device is connected to the inlet of the bucket elevator through a screw conveyor, and the outlet of the bucket elevator is connected to the kiln ash buffer bin; the outlet of the kiln ash buffer bin Connected to the inflatable distribution box; the two paths of the inflatable distribution box are respectively connected to the air conveying chute and the chain conveyor. The invention has the beneficial effects of good cooling effect, stable material flow and little impact on cement production.

Description

technical field [0001] The invention relates to the technical field of SCR denitrification systems, in particular to a system and a method for cooling dust at high temperature in the SCR denitrification system of a cement kiln. Background technique [0002] The development and application of SCR denitrification technology in cement kilns is an important measure for energy conservation and emission reduction in the cement industry. At present, SCR denitrification systems are relatively seldom used in China, but as the ultra-low emission requirements across the country continue to become stricter, it is imperative to reduce NOx emissions in the cement industry, and the promotion of SCR technology is also the general trend. [0003] In the existing cement plant application cases, for the SCR technology, the cement plant basically chooses a high-dust or medium-dust layout plan, and arranges the SCR system after the C1 outlet and before the waste heat power generation system. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/86B01D53/56F27D9/00F27D17/00
CPCB01D53/8628B01D2258/0233B01D2258/0283F27D9/00F27D17/001F27D2009/0005
Inventor 董贝刘建高敏黄向东
Owner 成都建筑材料工业设计研究院有限公司
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