电石渣制水泥生产线优化升级改造

doi:10.19698/j.cnki.1001-6171.20234086

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摘要

针对电石渣制水泥生产线出现的水泥窑结圈、预热器结皮堵塞、出篦冷机熟料温度过高、烘干破碎系统断料故障频发、窑尾NOX排放不达标风险等问题，制定了一系列优化改造措施。通过采取合理控制工艺参数，更换窑头燃烧器，新增窑头废气处理系统，将篦冷机一段固定篦床更换为新型急冷充气箱，优化电石渣输送系统，加长、加粗鹅颈管，采用三次风管单路侧旋进风等措施，较好地解决了长期困扰稳定生产的难题，现已实现电石渣制水泥生产线的高效低耗连续运行。优化升级改造后，在窑尾NOX排放<100mg/Nm³的工况下，吨熟料氨水用量下降>50%。

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	曹海涛
	杨蒙

关键词: 电石渣破碎系统急冷充气箱三次风管优化改造

Abstract:

In response to the problems encountered in the cement production line using calcium carbide slag, such as cement kiln ringing, preheater crusting or even blockage, excessive temperature of clinker from grate cooler outlet, the fault of breaking material occurred frequently in drying and crushing system, NOX emission risk, etc, a series of optimization and transformation measures were formulated. By taking reasonable control of process parameters, replacing kiln head burner, adding kiln head waste gas treatment system, replacing a fixed grate bed of grate cooler with a new type of quenching inflation box, optimizing carbide slag conveying system, lengthening and thickening gooseneck pipe, adopting single side rotary inlet air of tertiary air duct and other measures, the problem of long-term stable production has been solved well, and now the continuous operation of high efficiency and low consumption of carbide slag cement production line can be realized. After the optimization and upgrading, the amount of ammonia water per ton of clinker decreased by more than 50% when the NOX emission of the chimney was less than 100mg/Nm³.

Key words: carbide slag crushing system quenching inflation box tertiary air duct improvement and renovation

收稿日期: 2022-10-28 修回日期: 2023-07-25 出版日期: 2023-07-25 发布日期: 2023-07-25 整期出版日期: 2023-07-25

ZTFLH:

TQ172.44

引用本文:

曹海涛, 杨蒙. 电石渣制水泥生产线优化升级改造[J]. 水泥技术, 2023, 1(4): 86-92.
CAO Haitao, YANG Meng. Improvement and Renovation of Cement Production Line Using Carbide Slag. Cement Technology, 2023, 1(4): 86-92.

链接本文:

http://www.cemteck.com/CN/10.19698/j.cnki.1001-6171.20234086 或 http://www.cemteck.com/CN/Y2023/V1/I4/86

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