CAJ | 학술논문

为了提高我国城镇集中供热系统的数字化程度，使智能化管理集中供热系统中的诸多换热器能够及时、准确地诊断出换热器运行过程中的结垢或堵塞故障，从工程实际应用的角度出发，针对“城镇供热系统智能决策平台开发与示范”项目，建立了板式换热器智能故障诊断系统；提出了基于实时监测的板式换热器结垢或堵塞故障诊断模型；在此基础上给出了板式换热器压力降与流量的关联式，并以实际的板式换热器为例进行了计算与实验验证。实验结果表明：该故障诊断模型可以满足工程实际应用的基本要求，有较强的适用性，并且在板式换热器故障诊断系统中具有广阔的应用前景。
위료제고아국성진집중공열계통적수자화정도，사지능화관리집중공열계통중적제다환열기능구급시、준학지진단출환열기운행과정중적결구혹도새고장，종공정실제응용적각도출발，침대“성진공열계통지능결책평태개발여시범”항목，건립료판식환열기지능고장진단계통；제출료기우실시감측적판식환열기결구혹도새고장진단모형；재차기출상급출료판식환열기압력강여류량적관련식，병이실제적판식환열기위례진행료계산여실험험증。실험결과표명：해고장진단모형가이만족공정실제응용적기본요구，유교강적괄용성，병차재판식환열기고장진단계통중구유엄활적응용전경。
To improve the digitized degree of urban central heating system in our country,and manage numerous heat exchangers in the central heating system,moreover,timely and accurately diagnose with scale or jam faults of heat exchangers in the opera-tion process,from the viewpoint of engineering application,the intelligent fault diagnosis system of plate heat exchanger is estab-lished,aiming at the urban heating system intelligent decision-making platform development and demonstration project.Plate heat exchanger scale or jam fault diagnosis model is established based on real-time monitoring.Meanwhile,the correlations between pressure drop and flow of plate heat exchanger are given and applied to an actual plate heat exchanger for calculation and experi-mental verification.Results show that the fault diagnosis model can basically meet the requirements for engineering application, having a strong applicability and has a broad application prospect in the fault diagnosis system of plate heat exchanger.