Research on heat storage schemes for peak shaving of condensing unit considering carbon trading

ZOU Siyu; ZHENG Puyan; BAI Tianyu; WEI Qingyuan; YAO Zhehao; FENG Kang; CHENG Yunrui

doi:10.19666/j.rlfd.202109216

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Research on heat storage schemes for peak shaving of condensing unit considering carbon trading

更新时间：2025-09-28

- Research on heat storage schemes for peak shaving of condensing unit considering carbon trading
- Thermal Power Generation Vol. 51, Issue 4, Pages: 10-17(2022)
- 作者机构：
  
  上海电力大学能源与机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202109216
  CLC： TM621
- Published：2022
- 稿件说明：
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ZOU Siyu, ZHENG Puyan, BAI Tianyu, et al. Research on heat storage schemes for peak shaving of condensing unit considering carbon trading[J]. Thermal power generation, 2022, 51(4): 10-17.
DOI：

ZOU Siyu, ZHENG Puyan, BAI Tianyu, et al. Research on heat storage schemes for peak shaving of condensing unit considering carbon trading[J]. Thermal power generation, 2022, 51(4): 10-17. DOI： 10.19666/j.rlfd.202109216.

摘要

将抽汽分级蓄热应用于凝汽式机组调峰，基于能量梯级利用原则提出了“3级”和“2级”蓄放热结构，研究不同方案下调峰范围、CO_2排放和收益的变化。以某超超临界660 MW机组为例，将这2种蓄放热结构与已有的“单级”蓄放热结构进行比较；以40%THA工况作为起始工况，分别对1号、2号、3号回热抽汽进行蓄热。结果表明：“3级”“2级”结构的调峰范围为31.5%～45.2%，大于“单级”蓄放结构；在1个蓄放热周期内，蓄热调峰方案的碳排放量与无蓄热的对照方案几乎相等，碳配额却少于对照方案，导致碳交易收益减小，但加上各蓄热方案的调峰收益后，总收益均高于对照方案，其中总收益最高的是“3级”结构的“蓄一抽”方案。

Abstract

The extraction staged heat storage is applied to condensing unit peak shaving

and “three-stage” and “two-stage” heat storage and release structures are put forward based on the principle of energy cascade utilization.The changes of peak shaving range

CO_2 emission and income under different schemes are studied. Taking an ultra supercritical 660 MW unit as an example

the above two heat storage and release structures are compared with the existing “single-stage” heat storage and release structure. The 40%THA working condition is taken as the initial working condition to store heat for No.1

No.2 and No.3 regenerative extraction steam

respectively. The results show that

the peak shaving range of the “three-stage” and “two-stage” structure is 31.5%～45.2%

which is greater than that of the “single-stage” storage and discharge structure. In a heat storage and release cycle

the carbon emission of the heat storage peak shaving scheme is almost equal to that of the control scheme without heat storage

but the carbon quota is less than that of the control scheme

resulting in the reduction of carbon trading income.However

after adding the peak shaving income of each heat storage scheme

the total income is higher than that of the control scheme

and the scheme that “storages extraction steam of the first stage of high pressure heater” with “three-stage” structure has the highest total income.

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