论文部分内容阅读
一、引言热量表是由国家质检总局强制管理的计量器具,涉及贸易结算和民生计量,因此得到了国家有关部门、技术机构、生产及配件企业的广泛关注。采用热量表进行热量计量,进行热计量收费,是实现供热改革和节能目标的重要手段和方法。近年来,随着供热改革不断扩大和持续深入进行,热量表生产制造企业逐年增多。据统计,截至2012年年底,全国范围内取得热量表制造许可证的企业已达到200多家,而且还有不断增加的趋势;另一方面,
I. INTRODUCTION Calorimeter is a measuring instrument that is compulsorily administered by AQSIQ and involves trade settlement and livelihood measurement. Therefore, it has received extensive attention from relevant state departments, technical institutions, production and accessory enterprises. The use of calorimeter for heat metering, heat metering and charging, is an important means and methods to achieve heating reform and energy saving goals. In recent years, with the continuously expanding heat supply reform and its continuous deepening, the heat meter manufacturing enterprises have been increasing year by year. According to statistics, as of the end of 2012, more than 200 enterprises have obtained manufacturing license of heat meters across the country, and there are still increasing trends. On the other hand,