|本期目录/Table of Contents|

[1]迟 鹏.电厂燃煤锅炉减温水阀门开度自动化调节方法[J].工业仪表与自动化装置,2025,(05):97-101.[doi:10.19950/j.cnki.CN61-1121/TH.2025.05.018]
　CHI Peng.Automatic adjustment method for the opening of the cooling water valve of coal-fired boilers in power plants[J].Industrial Instrumentation & Automation,2025,(05):97-101.[doi:10.19950/j.cnki.CN61-1121/TH.2025.05.018]
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电厂燃煤锅炉减温水阀门开度自动化调节方法(PDF)

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2025年05期
页码:
97-101
栏目:
出版日期:
2025-10-15

文章信息/Info

Title:
Automatic adjustment method for the opening of the cooling water valve of coal-fired boilers in power plants
文章编号:
1000-0682（2025）05-0097-05
作者:
迟 鹏
国能粤电台山发电有限公司，广东 江门529228
Author(s):
CHI Peng
CHN ENERGY TAISHAN POWER Plant, Guangdong Jiangmen 529228, China
关键词:
电厂燃煤锅炉; 减温水; 阀门开度; 自动化调节方法; 折算函数
Keywords:
coal fired boilers in power plants;  reduced temperature water;  valve opening degree;  automated regulation methods;  conversion function
分类号:
TH137
DOI:
10.19950/j.cnki.CN61-1121/TH.2025.05.018
文献标志码:
A
摘要:
根据减温水阀芯的运动状态模拟调节内流场，受到阀芯运动、不稳定流量系数的影响，调节负载增加，导致阀门开度偏离开度期望，无法稳定流通减温水流量，影响燃煤锅炉运行稳定性。因此，提出电厂燃煤锅炉减温水阀门开度自动化调节方法。分析减温水相对流量与阀芯运动之间的关系，并通过减温水阀门的可调比与CFD，模拟电厂燃煤锅炉减温水阀门开度调节内流场。计算蒸汽处于过热状态减温释放与吸收的热量，根据阀门开度与减温水流量之间的近似线性关系，建立减温水流场待调节流量与阀门开度的折算函数，自动将待调节的流量折算成减温水阀门需要调节的开度。将不稳定流量系数的磨损、腐蚀等影响因子考虑在内，补偿减温水阀门阀芯不稳定流量系数调节负载，从而实现阀门开度自动化精准调节。最终的调节结果显示，在06:59:00 AM~07:04:00 AM的时间段内，阀门开度在60%~100%的范围内变化，与阀门调节期望一致，能够稳定流通减温水流量，阀门开度自动化调节效果良好，对于提升电厂燃煤锅炉运行稳定性具有重要作用。
Abstract:
Simulate and regulate the internal flow field based on the motion state of the cooling water valve core. Due to the influence of valve core motion and unstable flow coefficient, the adjustment load increases, causing the valve opening to deviate from the expected opening, which cannot stabilize the flow rate of cooling water and affects the stability of coal-fired boiler operation. Therefore, an automatic adjustment method for the opening of the cooling water valve of coal-fired boilers in power plants is proposed. Analyze the relationship between the relative flow rate of cooling water and the movement of the valve core, and simulate the internal flow field of regulating the opening of the cooling water valve in coal-fired boilers in power plants through the adjustable ratio of the cooling water valve and CFD. Calculate the heat released and absorbed by steam in a superheated state during temperature reduction. Based on the approximate linear relationship between valve opening and the flow rate of cooling water, establish a conversion function between the flow rate to be adjusted in the cooling water flow field and the valve opening. Automatically convert the flow rate to be adjusted into the opening of the cooling water valve that needs to be adjusted. Taking into account factors such as wear and corrosion that affect the unstable flow coefficient, compensating for the unstable flow coefficient adjustment load of the cooling water valve core can achieve automatic and precise adjustment of valve opening. The final adjustment results showed that during the time period from 06

参考文献/References:

[1]陈俊杰,关长宇,刘昊,等.圆环型弹性阀片变形模型及厚度对溢流阀开度影响分析[J].现代制造工程,2024(09):110-118.

[2]刘晶,李超然,张建楠,等.基于融合驱动的余热阀门控制优化方法[J].热力发电,2023,52(10):176-186.
[3]史晓娟,王磊,汪学明,等.基于滑模扰动观测器的阀门开度预测控制[J].流体机械,2024,52(05):64-70.
[4]高阳,傅连东,邓江洪,等.基于BP-PSO的智能阀门定位器控制算法研究[J].流体机械,2023,51(05):49-54.
[5]王怀康,赵立业.改进预估模糊PID控制在气动阀门定位系统中的应用[J].组合机床与自动化加工技术,2023(01):142-146.
[6]章轻歌,陶乐仁,程哲铭,等.变流量水源热泵系统频率与阀开度联合调控策略[J].化学工程,2024,52(04):77-81+94.
[7]丁夏杰,陶乐仁,郑梓君,等.不同调节方式对循环加热式CO2热泵性能影响的实验研究[J].热能动力工程,2023,38(07):94-100.
[8]王约翰,南晓红,欧阳洪生,等.绿色工质HP-1高温热泵系统中膨胀阀开度与流量匹配特性[J].上海交通大学学报,2023,57(10):1367-1377.
[9]闫靖文,李俊杰,刘欣,等.基于卷积神经网络的燃煤锅炉近壁区H2S浓度分布实时预测模型[J].天津大学学报(自然科学与工程技术版),2024,57(11):1143-1151.
[10]杨国苗,李小芹,唐学林,等.大型管网关阀优化方案及阀门开度扰动对流量均匀性影响[J].排灌机械工程学报,2025,43(01):101-108.
[11]张廷宁,朱德兰,李钊,等.基于流量调节阀的变量喷灌装置设计与试验[J].农业机械学报,2024,55(10):339-345+359.
[12]陈军,许国园,仲从胜,等.油脂加工企业阀门状态监测系统和作业管理的控制措施[J].中国油脂,2024,49(03):153-154.
[13]王赫阳,刘骁,樊昱晨,等.基于DDPG的锅炉NOx排放和屏式过热器超温的多目标优化[J].天津大学学报(自然科学与工程技术版),2024,57(08):787-797.
[14]杨森,杨长春,王彭,等. 锅炉炉膛含氧量神经元PID控制及其仿真[J]. 计算机仿真,2024,41(5):112-115.
[15]屈可扬,程静,甘云华,等.基于时序数据集划分和时序交叉验证优化燃煤锅炉NOx建模[J].中南大学学报(自然科学版),2024,55(12):4665-4674.

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备注/Memo

备注/Memo:
收稿日期：2025-05-07第一作者：迟鹏（1989—），男，汉族，辽宁葫芦岛人，工程师，本科，研究方向：信息专业。E-mail：13316753255@163.com
更新日期/Last Update: 1900-01-01