钢瓶热载体烤漆加热系统的应用研究-供热供燃气通风及空调工程专业论文.docxVIP

术参数。热工测试结果表明，以煤为燃料时，投资回收周期仅为4-6个月。若以 术参数。热工测试结果表明，以煤为燃料时，投资回收周期仅为4-6个月。若以 燃料油或其它可燃气体为燃料，投资回收周期将有所增加。 关键词：钢瓶：热载体；烤漆；新方法；装置 Key Words：LPG-bottle；heat carrier；paint-drying；new method；assembly II AbstractWith Abstract With the wide application of liquefied petroleum gas(LPG)in cities，LPG bottle manufacture industry developed very fast from the early eighties to the end ofnighties． From that time，LPG bottle requirement in rural areas keeps increasing，but with the popularization of city gas and the reform of economic system，the need to LPG bottle in cities keeps declining，which results in drastic competition in LPG bottle market．To boost up the ability of competition in markets，LPG bottle manufacturers must take some measures，such as adopting advanced production techniques and advanced managing modes or enlarging its production scale，to lower its production cost．This paper only discusses LPG bottle paint drying,one of its production processes，to look for a lower cost method for it，to replace the conventional and infrared ray paint drying． Limited to historical reasons，conventional paint drying methods for LPG bottle are all infrared ray heating，which has some advantages such as simple system， convenient operation and fast on·off,But it has some disadvantages such as higher energy cost and maintenance costs．Based on wide investigations on the conventional paint drying methods and automobile paint drying，a new method for LPG bottle paint drying is put forward．Furthermore，U devices used for new way has been developed， and at the same time，the method to accessorial equipment selection,computation is presented．The new device consists of paint-drying box，heat carrier boiler,heating pipe，expansion tank，gas separator and oil tank，etc．The data oftwo applied examples shows that heat carrier paint drying method is able to make painting-drying cost drop by 88％，compared、)lrim the conventional one，that it has some advantages such as uniform temperature field， good appearance and lower