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1. 发明申请

WO1995030870A1 HEAT EXCHANGER 审中-公开
标题翻译：热交换器
公开(公告)号：WO1995030870A1
公开(公告)日：1995-11-16
申请号：PCT/NO1995000075
申请日：1995-05-05
申请人： KVÆRNER ENGINEERING A.S , FAGERVIK, Alfhild, Irene +hm , LANGOY, Jostein , MYKLEBUST, Nils , LYNUM, Steinar
发明人： KVÆRNER ENGINEERING A.S , FAGERVIK, Alfhild, Irene +hm , VIKEN, Nils, Ivar +di
IPC分类号： F28G03/10
CPC分类号： F28G3/10 , F28F5/00 , F28F19/008
摘要： A heat exchanger has been developed with a helical insert (9) permanently mounted in a housing (2). Between the windings in the insert (9) there is formed a helical channel (20) for one heat exchange medium. The insert (9) is designed with a channel (10) for the second heat exchange medium. The heat exchanger is designed with a central tube (13) which is axially movable and rotatable. The central tube (13) is designed with scraper elements for removal of deposits in the channel (20). In one embodiment the scraper element is formed by a helical insert (15) of the same design as the insert (9). The insert (15) is designed with a channel (16) for the second heat exchange medium. In a further embodiment the central tube (13) is designed with one or more scraper arms (23) which may be liquid-cooled. Deposits are often formed on the heat transfer surfaces. A cleaning cycle is performed by means of axial movement of the insert (15) which is mounted on the cenral tube (13) towards the permanently mounted insert (9), thus causing the heat transfer surfaces to touch each other. A rotating movement is then performed, e.g. a part of a turn, while the surfaces are close to each other or in contact with each other, thus causing the deposits on the two surfaces to be rubbed or scraped off and thereby cleaning the channel (20).
摘要翻译：已经开发了具有永久地安装在壳体（2）中的螺旋插入件（9）的热交换器。在插入件（9）的绕组之间形成有用于一个热交换介质的螺旋通道（20）。插入件（9）设计有用于第二热交换介质的通道（10）。热交换器设计有可轴向移动和可转动的中心管（13）。中心管（13）设计有用于去除通道（20）中的沉积物的刮刀元件。在一个实施例中，刮刀元件由与插入件（9）相同设计的螺旋插入件（15）形成。插入件（15）设计有用于第二热交换介质的通道（16）。在另一实施例中，中心管（13）设计有一个或多个刮刀臂（23），其可以是液体冷却的。沉积物通常在传热表面上形成。通过将安装在中央管（13）上的插入件（15）的轴向运动朝向永久安装的插入件（9）进行清洁循环，从而导致传热表面相互接触。然后执行旋转运动，例如，转弯的一部分，同时表面彼此接近或彼此接触，从而使得两个表面上的沉积物被摩擦或刮掉，从而清洁通道（20）。

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