CN1148523A - 用于热交换装置的内条纹管的制造方法 - Google Patents

用于热交换装置的内条纹管的制造方法 Download PDF

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CN1148523A
CN1148523A CN96107399A CN96107399A CN1148523A CN 1148523 A CN1148523 A CN 1148523A CN 96107399 A CN96107399 A CN 96107399A CN 96107399 A CN96107399 A CN 96107399A CN 1148523 A CN1148523 A CN 1148523A
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G·齐梅克
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Nexans Deutschland GmbH
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Alcatel Kabel AG and Co
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/227—Surface roughening or texturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49377—Tube with heat transfer means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49391—Tube making or reforming

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Metal Rolling (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

用于热交换装置的内条纹管的制造方法中，将一条光亮金属带从一个带卷中拉出来，将其在一架轧机中轧制出许多与带材纵向成15度-45度角的彼此平行的条纹，再连续地将带材加工成一根带纵向缝的管并且对该纵向缝进行焊接，其特征在于，在金属带的上表面至少轧制出两组彼此平行的条纹，此处的条纹形状是人字形花纹。

Description

用于热交换装置的内条纹管的制造方法
本发明涉及一种用于热交换装置的内条纹管的制造方法，其中把一条光滑的金属带从一个带卷中拉出来，将其在一架轧机中轧制出许多与带材纵向成15度-45度角的彼此平行的条纹，再连续地将带材加工成一根带纵向缝的管并且对该纵向缝进行焊接
压有内条纹并有纵向焊缝的铜管用于热交换装置中，例如用在空气调节设备中或者用在需要冷凝或蒸发的地方。
从冷却剂方面来说，条纹凸起在管子内侧改善了热传递。因此在功率相同情况下，可以使用小型设备或只需要较少的冷却剂，或者说在功率和结构形式都相同的情况下，冷却剂流动速度可以比较慢。最好通过在光滑金属带上轧制出条纹、将该金属带加工成一根管并焊接纵向缝而生产出这种管材。焊接程序的后面是退火程序。
与迄今使用的无缝管相比，有纵向焊缝的管材在壁厚均匀性方面有优点，从而其在整个管的圆周上有较均匀的弯曲性能。由于在条纹轧制过程中不需润滑剂，因此带纵向焊缝的焊管的内表面处没有残余的润滑剂。
在光亮的金属带上轧制出的条纹走向是与金属带的纵向呈15度-45度角。由此，依靠在内条纹金属管中流动的介质形成了使热传递得以改善的涡流。
在轧机中加工斜条纹时，对金属带施加了横向力，该横向力可能使金属带偏离轧制方向。因此该金属带必须进行精确的侧导。
然而不能始终保证精确的导向，因此给随后的焊接工序带来了不利的影响。恰好当上述的金属管直径为大约10mm、壁厚0.4mm时，对焊接装置区内的带材边缘的导向要求最严。此外，由于侧导还可能使带材边缘破损或变形，这同样对焊缝质量产生不利影响。
本发明的基本任务在于，如此改进上述方法，即可以省略附加的带材侧导装置并且可以制造出一种有高质量纵向焊缝的内条纹金属管。
上述任务是通过在金属带的上表面至少轧制出两组彼此平行的条纹而完成的，此处的条纹形状是人字型花纹。
本发明实现了，由轧机产生的横向力均匀地作用向两侧并且由于其相对而抵消。
除了上述任务中直接得到的优点外，还有以下优点，即从热加工技术观点出发，优化条纹的深度以及与纵边的条纹角度。其他的主要优点还在于，由于条纹排列不同，可以显著增强介质湍流。由于边缘流动彼此相对进行，因而热传递得到了改善。
从属权利要求中提及了进一步的有利构造。
根据图1-3中示意性描述的实施例，进一步阐述本发明。
图1所示是一种适合以特定方式实施本发明方法的装置的侧视图。
把一条例如宽30mm、厚0.4mm的铜带2从储料线卷1中拉出来并送入一个二辊轧机中。下轧辊3a为光辊，上轧辊3b有一个在铜带2朝上的表面上形成条纹形状的孔型。成型铜带2被送到一个造型装置4中，其中铜带被加工成一根带纵向缝的管5。借助一个焊接装置6，最好是一个WIG-焊接装置把该纵向缝焊接起来。由一个卸料装置8，最好是一个带有多个固定在环形链8a上的成对夹钳8b的所谓夹钳卸料装置，把焊管7拉过加工设备并送进储料槽9中。
根据本发明，上轧辊3b的孔型是这样布置的，以使铜带2上形成的条纹10至少组合成两组，其中条纹彼此平行并且以不同角度与铜带2的纵轴相交。图2中的条纹是以单人字型花纹展开的。在图3中，在铜带2上轧制出双人字型花纹。铜带2的纵边仍然保持没有条纹10，这样就保留了可以简化纵边的焊接的光壁区2a。
通过本发明的条纹10的排列，使得加工时铜带2的走向在加工方向上是笔直的，因为通过上轧辊3b的孔型在铜带2上没有产生横向力，或者说该横向力相互抵消了。由此，焊缝质量显著提高。于是便可以省略在轧机3和成型装置4之间的铜带2的侧导装置。
除上述优点外，按加工工艺制造的内条纹管还有以下优点，即显著改善了热传递性能。这种改进在于，通过条纹10的特殊排列，使在管内传送的介质的边缘流动彼此相对进行。因此产生改善了热传递的湍流。
由于铜有良好的无屑加工性能、良好的焊接性能并且具有良好的导热能力，因此实践证明铜作为制管原料是非常合适的。
为改善可弯性能，焊管7例如可以在连续的沟槽中进行退火并且最后被卷绕成传送环。
退火通常总是在惰性气体下的所谓罩式炉中进行的，这时管子全部处于储料槽9中。

Claims (4)

1.用于热交换装置的内条纹管的制造方法，其中把一条光滑的金属带从一个带卷中拉出来，将其在一架轧机中轧制出许多与带材纵向成15度-45度角的彼此平行的条纹，再连续地将带材加工成一根带纵向缝的管并且对该纵向缝进行焊接，其特征在于，在金属带的上表面至少轧制出两组彼此平行的条纹，此处的条纹形状是人字型花纹。
2.如权利要求1的方法，其特征在于所述条纹从金属带中心处指向金属带纵边并且不同组的条纹之间的夹角角度是30度-90度。
3.根据权利要求1或2的方法，其特征在于，纵边区域至少在1mm的宽度上没有条纹。
4.根据权利要求1-3中任一所述的方法，其特征在于，轧制出两组彼此平行的条纹，这些条纹分别与纵轴相交15度-45度角而两组
            条纹间的夹角在30度-90度间
CN96107399A 1995-04-26 1996-04-25 用于热交换装置的内条纹管的制造方法 Pending CN1148523A (zh)

Applications Claiming Priority (2)

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DE19515336.7 1995-04-26
DE19515336A DE19515336A1 (de) 1995-04-26 1995-04-26 Verfahren zur Herstellung von innengerillten Rohren für Wärmetauscheranlagen

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US (1) US5628447A (zh)
JP (1) JPH08318312A (zh)
KR (1) KR960037162A (zh)
CN (1) CN1148523A (zh)
DE (1) DE19515336A1 (zh)
FI (1) FI961775A (zh)
FR (1) FR2733445A1 (zh)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102000696A (zh) * 2010-10-19 2011-04-06 无锡嘉联不锈钢有限公司 一种条纹不锈钢带的生产方法
CN103433323A (zh) * 2013-08-05 2013-12-11 江苏天潭科技材料有限公司 一种内螺纹铝管的生产方法
CN104128365A (zh) * 2014-06-20 2014-11-05 合肥长城制冷科技有限公司 一种散热防腐铝板生产工艺
CN106482569A (zh) * 2016-10-16 2017-03-08 合肥太通制冷科技有限公司 一种防腐压花铝板生产工艺
CN109909301A (zh) * 2019-03-08 2019-06-21 贺云坤 齿痕轧制机及使用齿痕轧制机制作内螺纹金属管的方法
CN112222219A (zh) * 2019-06-30 2021-01-15 合肥太通制冷科技有限公司 一种焊接法成形内螺纹金属管工艺
CN114523000A (zh) * 2022-02-18 2022-05-24 湖南湘投金天新材料有限公司 焊管在线连续生产***

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DE19654367A1 (de) * 1996-12-24 1998-06-25 Behr Gmbh & Co Verfahren zum Anbringen von Laschen und/oder Vorsprüngen an einem Feinblech und Feinblech mit Laschen und/oder Vorrichtungen sowie Rechteckrohr aus Feinblechen
DE10151827A1 (de) * 2001-10-20 2003-04-30 Nexans Verfahren zur kontinuierlichen Herstellung eines längsnahtgeschweissten Metallrohres
FR2855601B1 (fr) * 2003-05-26 2005-06-24 Trefimetaux Tubes rainures pour echangeurs thermiques a fluide monophasique, typiquement aqueux
KR101367320B1 (ko) * 2012-08-22 2014-03-12 현대자동차주식회사 배기열 회수용 배기파이프의 구조

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102000696A (zh) * 2010-10-19 2011-04-06 无锡嘉联不锈钢有限公司 一种条纹不锈钢带的生产方法
CN103433323A (zh) * 2013-08-05 2013-12-11 江苏天潭科技材料有限公司 一种内螺纹铝管的生产方法
CN104128365A (zh) * 2014-06-20 2014-11-05 合肥长城制冷科技有限公司 一种散热防腐铝板生产工艺
CN106482569A (zh) * 2016-10-16 2017-03-08 合肥太通制冷科技有限公司 一种防腐压花铝板生产工艺
CN109909301A (zh) * 2019-03-08 2019-06-21 贺云坤 齿痕轧制机及使用齿痕轧制机制作内螺纹金属管的方法
CN112222219A (zh) * 2019-06-30 2021-01-15 合肥太通制冷科技有限公司 一种焊接法成形内螺纹金属管工艺
CN114523000A (zh) * 2022-02-18 2022-05-24 湖南湘投金天新材料有限公司 焊管在线连续生产***
CN114523000B (zh) * 2022-02-18 2023-05-02 湖南湘投金天新材料有限公司 焊管在线连续生产***

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Publication number Publication date
JPH08318312A (ja) 1996-12-03
FR2733445A1 (fr) 1996-10-31
FI961775A0 (fi) 1996-04-25
FI961775A (fi) 1996-10-27
DE19515336A1 (de) 1996-10-31
KR960037162A (ko) 1996-11-19
US5628447A (en) 1997-05-13

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