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发布时间: 2017 - 08 - 03
点击次数: 64
The indirect heating unit control system monitors the operation data of the primary, secondary side temperature, pressure and electrical equipment, the purpose of controlling the heat change and the secondary cycle is achieved by adjusting the opening of the backwater electric regulating valve and changing the frequency of the circulating pump transducer, realizes the heating demand of high efficiency and high quality. System has the incremental fuzzy PID control, self-learning control function, fault detection and security protection, automatic climate compensation control, time control model...
发布时间: 2017 - 08 - 03
点击次数: 13
直混供热机组是在直供系统基础上增加混水管道,将一次网高温水与二次回水进行混合之后供热的机组。近几年在国内外得到了广泛应用,随着自动化控制系统的逐渐成熟和完善,直混供热机组克服了热源依赖性强、一二次系统压力无隔离、热网水力不易平衡等弊端,应用前景广阔。 直混供机组的优点: ▪建设投资少 由于不需要板换、补水系统、软化水系统等,占地面积小,建设投资减少20%-30%。▪节能潜力大 可利用的一次水温度范围大,可以使用电厂低品质热,可以大大降低热源成本。间供系统一次二次测都会消耗0.1-0.15Mpa压力,增加电力损耗。且间供系统热损耗较高,而直混供系统无热损耗。经实际运行采用直混供机组可节能15%-30%。▪维护维修方便 由于避免了板换清洗、软化水系统反清洗等工作,大大便利了设备维护。
发布时间: 2017 - 09 - 27
点击次数: 29
The direct mixing heating unit is to increase the water mixing pipeline on the basis of the direct supply system, and is the heating unit that will mix the primary network high-temperature water with the second water return. It has been widely used in China and abroad in recent years, with the gradual maturity and improvement of the automatic control system, the direct mixing heating unit has overcome the disadvantages such as strong heat source dependence, the primary and secondary system pressure non-isolation, and the balancing difficulty of the thermal network, has a wide application prosp...
发布时间: 2017 - 09 - 21
点击次数: 74
The construction of "intelligent heat network" system of heating enterprises has experienced long-term research and accumulation, which has formed a pluralistic system combination, contained several aspects. At present, the information system of thermal enterprises is composed of several subsystems, software associated with production: thermal network automation system, command dispatching system, emergency command, equipment management system, hydraulic calculation, online simulation, GIS geographic information system; software associated with operating management: charging system, ...
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