CN103752686B - 螺旋纽带加工工艺 - Google Patents

螺旋纽带加工工艺 Download PDF

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CN103752686B
CN103752686B CN201310583725.3A CN201310583725A CN103752686B CN 103752686 B CN103752686 B CN 103752686B CN 201310583725 A CN201310583725 A CN 201310583725A CN 103752686 B CN103752686 B CN 103752686B
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曾荣良
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CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

本发明涉及一种螺旋纽带加工工艺，依次包括预处理、切边处理、加热处理、旋转拉伸、风冷定型、分切成段几个步骤，预处理包括片材被高温油轧辊压薄和预热以及被拉伸辊进行拉伸，切边处理将片材通过切边机进行切边，加热处理将片材通过加热管进行加热处理，旋转拉伸即是翻转机带动片材旋转形成螺旋纽带，最后再经过风冷定型和分切成段。本发明取消了烤箱，采用了一种新型加热管进行，不但节省了能源，且加热更加均匀。

Description

螺旋纽带加工工艺
技术领域
本发明涉及一种螺旋纽带加工工艺。
背景技术
螺旋纽带又称麻花铁、扰流子、螺旋扁钢等，通常安装于换热器管内，主要用于提高热交换效率。当流体进入换热管内时，螺旋纽带使得流体以螺旋状态在管内流动（即使得流体进入紊流状态），增大了流体与换热管管壁的接触面积，提高换热效率，且紊乱的流体可对管壁污垢进行冲刷。
现有的螺旋纽带加工工艺，主要步骤包括：压薄片材——预热处理——切边处理——加热处理——旋转拉伸——切割成段。
上述方案存在以下缺点：①片材在被压薄后要经过一个烤箱进行预热处理，预热使得片材裁切时更加容易。片材在被压薄的同时会一定程度的发热，再经过烤箱预热，则会形成二次加热，造成能源浪费；②现有的加热处理主要是使用电热灯，一个烘烤箱大致需要布置八根加热灯管才能加热片材达到合适温度，通常一条生产线需要布置六个烤箱，由于烤箱之间实在会有间隙，间隙处的温度相比其他地方温度更低，采用这样的方式会导致加热不均匀，而加热灯管瓦数较大，能耗高，最终导致成本也对应的较高
发明内容
本发明意在提供一种能耗小、成本低廉的螺旋纽带加工工艺。
本发明包括以下方案：螺旋纽带加工工艺，依次包括以下步骤：
预处理，片材先经过一对高温油轧辊进行压薄和预热后，再经过一对拉伸辊进行长度拉伸；
切边处理，拉伸后的片材通过切边机，切边机内的刀片将片材裁切成合适的宽度；
加热处理，裁切后的片材旋转进入加热管进行热处理，加热管带有可通入导热油的内腔，加热管管壁外套有加热保温管，管内温度维持在90～180℃；
旋转拉伸，片材在被加热的同时被翻转机带动进行旋转，最终扭曲成螺旋形纽带；
风冷定型，螺旋纽带经过风冷槽进行风冷；
分切成段，风冷后的螺旋纽带经过分切机切段，形成成品。
上述技术方案与现有技术的区别在于：在预处理与切边处理之间取消了预热烤箱，高温油轧辊会将片材压薄，片材在被压薄的同时会发热，拉伸辊进一步使得片材变薄，片材进一步发热，经过预处理步骤后带着余热进入切边处理步骤，这样的步骤使得设备成本更低（因为取消了预热烤箱），节省了能耗；另外，在进行加热处理时采用的导热油式的加热管进行加热，避免了加热灯管产生的加热不均，且节约了能耗。
为了得到合适的螺旋纽带扭矩，所述翻转机的转速为100r/min～120r/min。
为了增强纽带的扰流能力，所述螺旋纽带的螺距为50mm～150mm。
为了提高风冷效果，所述风冷槽为V形槽。
具体实施方式
螺旋纽带加工工艺，依次包括以下步骤：
预处理，预处理装置包括一对高温油轧辊和一对拉伸辊，片材先经过一对高温油轧辊进行压薄和预热后，再经过一对拉伸辊进行长度拉伸处理。所述一对高温油轧辊可灵活调整彼此之间的缝隙，根据每一次不同厚度的产品要求来调节高温轧辊的缝隙高度进行压薄和预热后。
切边处理，片材经过拉伸后再通过切边机，切边机内的一对相互平行的刀片将片材裁切成合适的宽度，所述一对相互平行的刀片可调节两者之间的距离，以便裁切处合适宽度的片材。
加热处理，裁切后的片材旋转进入加热管进行热处理，加热管带有可通入导热油的内腔，加热管管壁外套有加热保温管，管内温度维持在90～180℃，可根据片材材质调整温度，（加热管只需三分钟即可达到指定的温度。
旋转拉伸，片材在被加热的同时被翻转机带动进行旋转，翻转机的转速为100r/min～120r/min，最终扭曲成螺旋形纽带，螺旋纽带的螺距为50mm～150mm。
风冷定型，螺旋纽带经过V形的风冷槽进行风冷；
分切成段，风冷后的螺旋纽带经过分切机，分切机可设定预定长度将螺旋纽带切段，形成成品。
以上所述仅为本发明较佳实施例的详细说明，并非用来限制本发明，凡依本发明的创作精神所作的类似变化的实施例，皆应包含于本发明之中。

Claims (4)

1.螺旋纽带加工工艺，依次包括以下步骤：
预处理，片材先经过一对高温油轧辊进行压薄和预热后，再经过一对拉伸辊进行长度拉伸；
切边处理，拉伸后的片材通过切边机，切边机内的刀片将片材裁切成合适的宽度；
加热处理，裁切后的片材旋转进入加热管进行热处理，加热管带有可通入导热油的内腔，加热管管壁外套有加热保温管，管内温度维持在90～180℃；
旋转拉伸，片材在被加热的同时被翻转机带动进行旋转，最终扭曲成螺旋形纽带；
风冷定型，螺旋纽带经过风冷槽进行风冷；
分切成段，风冷后的螺旋纽带经过分切机切段，形成成品。
2.根据权利要求1所述的螺旋纽带加工工艺，其特征在于：所述翻转机的转速为100r/min～120r/min。
3.根据权利要求1所述的螺旋纽带加工工艺，其特征在于：所述螺旋纽带的螺距为50mm～150mm。
4.根据权利要求1所述的螺旋纽带加工工艺，其特征在于：所述风冷槽为V形槽。
CN201310583725.3A 2013-11-20 2013-11-20 螺旋纽带加工工艺 Active CN103752686B (zh)

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CN105109053B (zh) * 2015-09-28 2017-07-18 四川德拉普环保科技有限公司 管道内壁清洁装置用无轴螺旋加工工艺
CN106736328B (zh) * 2016-11-30 2021-02-09 重庆渝青机械配件制造有限公司 多纽带式扰流件加工工艺
CN109383043A (zh) * 2018-09-30 2019-02-26 无锡福特汉姆科技有限公司 一种螺旋纽带的生产工艺及设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190513492A (en) * 1905-07-01 1906-02-15 Arthur Wilfred Brewtnall Improvements in Apparatus for Cooling and Heating Liquids, Fluids, Vapours, and the like
CN1071248A (zh) * 1991-09-30 1993-04-21 刘玉海 一种螺旋扰流子
CN200989748Y (zh) * 2006-08-14 2007-12-12 张贵祥 自转变流态塑料螺旋纽带
CN201618769U (zh) * 2010-02-25 2010-11-03 南京星辰蓄热炉窑工程有限公司 一种换热器扭片式扰流子制造装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190513492A (en) * 1905-07-01 1906-02-15 Arthur Wilfred Brewtnall Improvements in Apparatus for Cooling and Heating Liquids, Fluids, Vapours, and the like
CN1071248A (zh) * 1991-09-30 1993-04-21 刘玉海 一种螺旋扰流子
CN200989748Y (zh) * 2006-08-14 2007-12-12 张贵祥 自转变流态塑料螺旋纽带
CN201618769U (zh) * 2010-02-25 2010-11-03 南京星辰蓄热炉窑工程有限公司 一种换热器扭片式扰流子制造装置

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