CAUSE ANALYSIS AND TEST STUDY ON SOMEHAT LOWER STEAM TEMPERATURE FOR A 2008t/h CORNER TANGENTIAL FIRING BOILER

doi:10.19666/j.rlfd.2004.11.010

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CAUSE ANALYSIS AND TEST STUDY ON SOMEHAT LOWER STEAM TEMPERATURE FOR A 2008t/h CORNER TANGENTIAL FIRING BOILER

更新时间：2025-09-28

- CAUSE ANALYSIS AND TEST STUDY ON SOMEHAT LOWER STEAM TEMPERATURE FOR A 2008t/h CORNER TANGENTIAL FIRING BOILER
- Thermal Power Generation Issue 11, Pages: 32-35(2004)
- 作者机构：
  
  1. 浙江省能源集团
  2. 汕特万丰热电有限公司
  3. 浙江大学,浙江,杭州,310001
  4. ,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.11.010
  CLC： TK227.1
- Published：2004
- 稿件说明：
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CAUSE ANALYSIS AND TEST STUDY ON SOMEHAT LOWER STEAM TEMPERATURE FOR A 2008t/h CORNER TANGENTIAL FIRING BOILER[J]. Thermal power generation, 2004, (11): 32-35.
DOI：

CAUSE ANALYSIS AND TEST STUDY ON SOMEHAT LOWER STEAM TEMPERATURE FOR A 2008t/h CORNER TANGENTIAL FIRING BOILER[J]. Thermal power generation, 2004, (11): 32-35. DOI： 10.19666/j.rlfd.2004.11.010.

摘要

针对某电厂 2 0 0 8t/h锅炉存在汽温偏低问题

对锅炉进行了热力计算和燃烧调整试验

进而进行了锅炉燃烧器布置调整

增加了后屏再热器的受热面积。计算和试验结果表明 :保持炉膛沾污系数为0 .3 5至 0 .4 5

过量空气系数为 1 .3左右

燃烧器上摆 8°至 1 6°

关闭上层燃尽风

维持低氧量 ( 3 .0 % )运行

可有效地提高蒸汽温度

Abstract

Directing against the problem of somewhat lower steam temperature existing on a 2008t/h boiler of one power plant

the arrangement of burners in the boiler has been adjusted

increasing the heating surface area of rear panel reheater

carrying out thermal calculation and combustion adjustment test for the said boiler. The results of calculation and test show that the following conditions are most helpful to enhance the main steam temperature: （1） contamination factor in the furnace to be maintained at 0.35～0.45; （2） coefficient of excess air to be about 1.3; （3） the upswing angle of the burner to be 8°～16°; （4） burnoff air in upper level to be closed

and oxygen content to be maintained at low level（3.0%）. By means of adjusting swing angle of the burners and the spray type desuperheater

the said problems of main steam and reheated steam have been solved

enhancing the safety and economic behavior in operation of the unit.

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