INFLUENCE OF HIGH-SODIUM COAL UPON SLAGGING,CONTAMINATION,AND CORROSION ON THE HEATING SURFACE OF BOILERS

DONG Ming-gang Hongsheng Electricity and Heat Company under Jiuqun Iron and Steel Corporation

doi:10.19666/j.rlfd.2008.09.010

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INFLUENCE OF HIGH-SODIUM COAL UPON SLAGGING,CONTAMINATION,AND CORROSION ON THE HEATING SURFACE OF BOILERS

更新时间：2025-09-28

- INFLUENCE OF HIGH-SODIUM COAL UPON SLAGGING,CONTAMINATION,AND CORROSION ON THE HEATING SURFACE OF BOILERS
- Thermal Power Generation Issue 9, Pages: 35-39(2008)
- 作者机构：
  
  酒钢宏晟电热公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.09.010
  CLC： TK227.2
- Published：2008
- 稿件说明：
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DONG Ming-gang Hongsheng Electricity and Heat Company under Jiuqun Iron and Steel Corporation. INFLUENCE OF HIGH-SODIUM COAL UPON SLAGGING,CONTAMINATION,AND CORROSION ON THE HEATING SURFACE OF BOILERS[J]. Thermal power generation, 2008, (9): 35-39.
DOI：

DONG Ming-gang Hongsheng Electricity and Heat Company under Jiuqun Iron and Steel Corporation. INFLUENCE OF HIGH-SODIUM COAL UPON SLAGGING,CONTAMINATION,AND CORROSION ON THE HEATING SURFACE OF BOILERS[J]. Thermal power generation, 2008, (9): 35-39. DOI： 10.19666/j.rlfd.2008.09.010.

摘要

由于设计煤种(哈密煤)资源短缺

宏晟热电公司125MW机组锅炉大量掺烧钠含量较高的新疆木垒煤

但由此引起了锅炉受热面结渣、沾污和高温腐蚀等问题。由于积灰严重

造成锅炉尾部烟道积灰坍塌

严重影响锅炉的安全和经济运行。通过对木垒煤的煤质特性、燃烧特性、结渣特性及炉管结渣、沾污和腐蚀现状进行分析研究

探讨有效减缓、预防锅炉受热面结渣、沾污和腐蚀的技术措施。

Abstract

Because of resource shortage of designed coal sort

namely Hami coal

problems

such as slagging

contamination

and corrosion etc.

had occurred on the heating surface in boilers of 125 MW units due to mixedly burning high-sodium Mulei coal from Xinjiang Region.Owing to serious deposition of ash

the collapse of deposited ash in flue duct of boiler's tail section has frequently occurred

affecting seriously safe and economic operation of the boilers.Through analysis of quality property

burning behavior

slagging character of the Mulei coal

as well as analysis about current situation of slagging

contamination

and corrosion on the boiler tubes

the technical measures for effectively retarding and preventing slagging

contamination

and corrosion on the heating surface of boilers has been investigated.

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