Experimental study on heat recovery via flash of desulphurization slurry

XU Shiming; XU Haitao; AN Hang; QI Zheng; ZHOU Xian; PENG Shuo

doi:10.19666/j.rlfd.202202012

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Experimental study on heat recovery via flash of desulphurization slurry

更新时间：2025-09-28

- Experimental study on heat recovery via flash of desulphurization slurry
- Thermal Power Generation Vol. 51, Issue 7, Pages: 156-162(2022)
- 作者机构：
  
  1. 华能营口热电有限责任公司
  2. 呼伦贝尔安泰热电有限责任公司海拉尔热电厂
  3. 中国华能集团清洁能源技术研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202202012
  CLC： TK115;TM621;TU833
- Published：2022
- 稿件说明：
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XU Shiming, XU Haitao, AN Hang, et al. Experimental study on heat recovery via flash of desulphurization slurry[J]. Thermal power generation, 2022, 51(7): 156-162.
DOI：

XU Shiming, XU Haitao, AN Hang, et al. Experimental study on heat recovery via flash of desulphurization slurry[J]. Thermal power generation, 2022, 51(7): 156-162. DOI： 10.19666/j.rlfd.202202012.

摘要

热电联产机组存在进一步提高供热能力、节能节水、消除烟气烟羽等需求。首先，介绍了脱硫浆液闪蒸提热的技术原理和脱硫浆液闪蒸试验平台的结构与功能；然后，系统考察了关键过程参数对闪蒸提热过程的影响作用规律。结果表明：提高循环浆液温度、提高循环浆液流量和降低闪蒸罐压力有利于提高闪蒸提热效果；冷凝水水质分析和热量回收分析表明，脱硫浆液闪蒸提热技术应用于300 MW机组可提供30 MW供热负荷，节能节水效果显著。

Abstract

Aiming at meeting the demand of further improving heating capacity

saving energy and water

and eliminating smoke plume of cogeneration units

technical principle of heat recovery via flash of desulphurization slurry and the structure and function of the flash platform were introduced firstly. Then

the influence of key parameters on the heat recovery via flash of desulphurization slurry was investigated systematically. The results show that

increasing the temperature and flow rate of circulating slurry and decreasing the pressure of flashing tank are beneficial to improving the heat recovery effect. Water quality analysis and heat recovery analysis shows that

when the process of heat recovery via desulfurization slurry flash is applied to 300 MW-level units

30 MW heating load can be recovered

and the energy and water saving effect is significant.

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Related Institution

College of Energy, Power and Mechanical Engineering, North China Electric Power University

Chengdu Vocational and Technical College of Industry and Trade (Chengdu Technician College) School of Electrical Engineering

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