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Pipe bundles, in particular for heat exchangers and processes for their manufacture
Pipe bundles, in particular for heat exchangers and processes for their manufacture
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机译:管束,特别是用于热交换器的管束及其制造工艺
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1,130,872. Tubular heat exchangers. E. I. DU PONT DE NEMOURS & CO. 13 Jan., 1966 [14 Jan., 1965], No. 1646/66. Heading F4S. A heat exchanger comprises a bundle of parallel thermoplastic tubes fastened to a sleeve 29 of metal, or metal lined with a thermoplastics material. The sleeve may be circular, hexagonal or rectangular and may alternatively. be of perforated metal embedded in thermoplastic material or may be of high melting-point thermoplastic material with a liner of low melting-point thermoplastic material. The tubes may be formed of spirally wound thermoplastic tapes, of coaxial and contiguous tubes or a combination of thermoplastic tapes spirally wound about thermoplastic tubes. The tube bundle may be fastened ino a metal or plastics shell to form the heat exchanger. The tube assembly may be utilized for cooling oil or gas or as an immersion heater or cooler but these applications are not described in detail. Dimensions of the actual construction are given. The tubes may have a sleeve at both ends or may be bent to U-shape, or as shown in Fig. 7, may be bent to U-shape and have one end attached to a sleeve 28 and the other end attached between sleeve 28 and an outer sleeve 29; alternatively the tubes could be straight with inner and outer sleeves 28, 29 at both ends. In a further construction (Fig. 8) the tubes are fused to a sleeve at each end and the portions of the tubes between the sleeves separated to form a flat warp (30).
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机译:1,130,872。管状热交换器。 E. I. DU PONT DE NEMOURS&CO。1966年1月13日[1965年1月14日],第1646/66号。标题F4S。热交换器包括固定在金属或衬有热塑性材料的金属的套筒29上的一束平行的热塑性管。套筒可以是圆形,六边形或矩形,并且可以可替代地。可以是嵌入热塑性材料中的穿孔金属,也可以是具有低熔点热塑性材料衬里的高熔点热塑性材料。管可以由螺旋缠绕的热塑性带,同轴和连续的管或螺旋缠绕在热塑性管上的热塑性带的组合形成。管束可以固定在金属或塑料壳中以形成热交换器。管组件可用于冷却油或气,或用作浸入式加热器或冷却器,但这些应用未详细描述。给出了实际结构的尺寸。这些管可以在两端具有套管,或者可以弯曲成U形,或者如图7所示,可以弯曲成U形,并且其一端附接到套管28,而另一端附接到套管28之间。外套29。或者,管可以是直的,在两端具有内套筒28和外套筒29。在另一种结构中(图8),管子在每一端都熔接到套管上,并且套管之间的管子部分分开以形成平坦的经纱(30)。
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