一、前言波纹管换热器自问世以来，由于其传热系数高，不易结垢，坚固耐用等优点，立即受到科研设计人员及用户的广泛关注。目前，已大量替代普通列管式换热器，成为供热、供水等场合的首选产品，并已开始在石油开采与输送、石油炼制、化工、制药等行业使用。由于以上行业... I. Introduction The bellows heat exchanger since its inception, due to its high heat transfer coefficient, not easy to scale, durable and other advantages, immediately by the scientific research designers and users of widespread concern. At present, a large number of ordinary tube heat exchangers have been replaced, becoming the first choice for heating, water supply and other occasions, and have started to be used in petroleum extraction and transportation, petroleum refining, chemical industry and pharmaceutical industries. Due to the above industry ...