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Air-conditioning systems of large office buildings and more cold and heat source economic analysis of energy programs


Plus, all-electric refrigeration running costs of the program the minimum, thanks to the running costs of gas to the maximum cooling. (3) cold and heat sources and more energy with the total cost of the system varies the proportion of all energy and operating costs of the laws of variation is consistent with the gas usage is the proportion increases. This shows that the total cost of operating costs of greater impact. In addition, this paper only from the economic point of view of cold and heat sources and more energy systems were analyzed. If from the country's energy strategy, environmental protection and energy security, and other areas used to evaluate the cold and heat sources and more energy systems, the conclusions would be more reasonable. References: ... 1 York International (North Asia) Limited. York centrifugal chillers samples [z】. 2005. [2】 York International (North Asia) Limited. York screw chillers sample [z1.2005. [3】 Huang Yu Yang, Xing Aifang. Engineering Economics fM】. Tongji University Press, 1985. Received :2005-10-0g Revised :2005-10-17EconomicAnalysisfortheMulti-energySchemesoftheAirConditioningSysteminLarge-scaleOfficeBuildingsLIANGQing-qing, XUWang-fa (ShanghaiXiondaiArchitecturalDes (group) Co.Ltd., Shanghai200041, China) Abstract: Takinglarge-scaleofficebuildingsasacase, analysedtheeconomiccharacteristicsofthemulti- energyschemesofairconditioningsystemwithdifferentratiosofelectricrefrigerationanddirect - firedabsorptionrefrigeration, comparedwithsimpleelectricrefrigerationscheme. Theanalyticalresultscanoffertheusefulreferenceforthedesignofsimilarbuildings. Keywords: officebuilding; airconditioningsystem; cooling & heatsource: multi-energysystem; economicanalysis Author: Liang Qingqing (1959 a), female, Shanghai, senior engineer, engaged in the design of HVAC and research work. Dezhou, central air conditioning manufacturing industry self-regulatory executive director of the 32 units released by the initiated, four key enterprises lead, Dezhou City Association for the air-conditioned glass This is the city's central air-conditioning manufacturing leader made the first self-discipline approach. Currently, central air-conditioning related Dezhou has 65 manufacturing enterprises, supporting more than 1,[link widoczny dla zalogowanych],000 users processing industry, employing 4 million people, with annual sales income of more than 40 million, forming a production chain length, with a high concentration of industry characteristics. Construction of Dezhou, central air conditioning manufacturing industries from steel production evolved from the glass, and the uneven level of production management, resulting in a non-standard production, churning,[link widoczny dla zalogowanych], vicious competition, and from time to time, thereby affecting the city's brand central air conditioning products image. City Air Conditioning Association FRP departments, supported by Greider, Asia Pacific, the large, golden key enterprises such as the four lead from the product recognition, talent management, sales management aspects, developed this line rules. It is learned that the way to March 1 next year,[link widoczny dla zalogowanych], the formal implementation. City Air Conditioning Association, fiberglass,[link widoczny dla zalogowanych], Grenada Bank Group Chairman, said with deep feeling in your pipe and India, an industry must rely on the reputation of everyone to safeguard, only the industry's production and operation specifications, and central air conditioning brand can truly Texas Shouting loudly. (From
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