CN202140746U - 一种耐高温阻燃复合保温管壳 - Google Patents

一种耐高温阻燃复合保温管壳 Download PDF

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CN202140746U
CN202140746U CN201120255613U CN201120255613U CN202140746U CN 202140746 U CN202140746 U CN 202140746U CN 201120255613 U CN201120255613 U CN 201120255613U CN 201120255613 U CN201120255613 U CN 201120255613U CN 202140746 U CN202140746 U CN 202140746U
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heat
layer
pipe shell
resistant fireproof
flame
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曹晖
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Jiangsu Ketai Heat Insulating New Material Co., Ltd.
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CHANGZHOU CRYOTECH CRYOGENIC TECHNOLOGY Co Ltd
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Abstract

本实用新型公开了一种耐高温阻燃复合保温管壳，它包括管壳体，所述的管壳体内部为两端开放的圆柱形空腔，所述的管壳体由耐高温阻燃层和保温层组成，所述的耐高温阻燃层设在管壳体内层，所述的保温层设在管壳体外层。在保温管壳的实际使用中，内层的温差远大于外层，所以对保温管壳内层的耐高温、耐老化、阻燃和线性膨胀系数的要求高于外层，按照管壳体内外层温度条件的不同，将保温管壳的管壳体设置两层，实现管壳体的耐高温、阻燃和保温的多重效果，增大保温管壳的使用温度范围。

Description

一种耐高温阻燃复合保温管壳
技术领域
本实用新型专利属于聚氨酯保温管壳领域，具体涉及一种耐高温阻燃复合保温管壳。 
背景技术
聚氨酯材料已经广泛应用于汽车、建筑、家电、能源等各个行业。和PUR(聚氨基甲酸酯)材料相比，PIR材料(聚异三聚氰酸脂)以其良好的阻燃性、耐高温、耐老化性能和较低的线型膨胀系数，在液化天然气、液化乙烯、液化石油气储存运输和建筑保温隔热等领域应用广泛。然而，由于PIR材料的反应过程复杂，熟化过程缓慢，对加工工艺的要求非常严格，导致成本远远高于PUR材料。PUR材料的保温性能优越。 
在保温管壳的实际运行中，里层的温差远大于外层，所以对保温管壳里层的耐高温、耐老化、阻燃和线性膨胀系数的要求高于外层。单层的PUR材料保温管壳不能用于温度较高的管道的保温，所以需要在其内层进行耐高温处理，以适应高温管道的保温要求。 
实用新型内容
本实用新型的目的在于提供一种耐高温阻燃复合保温管壳。 
本实用新型的目的通过以下技术方案实现：一种耐高温阻燃复合保温管壳，它包括管壳体，所述的管壳体内部为两端开放的圆柱形空腔，所述的管壳体由耐高温阻燃层和保温层组成，所述的耐高温阻燃层设在管壳体内层，所述的保温层设在管壳体外层。 
上述的耐高温阻燃复合保温管壳，其在于所述的圆柱形空腔的直径为D30mm～D2040mm，所述的耐高温阻燃层的厚度为5mm～800mm，所述的保温层的厚度为5mm～150mm。 
上述的耐高温阻燃复合保温管壳，其在于所述的保温层与耐高温阻燃层粘合在一起。 
上述的耐高温阻燃复合保温管壳，其在于所述的耐高温阻燃层为PIR(聚异三聚氰酸脂)材料，所述的保温层为PUR(聚氨基甲酸酯)材料。 
本实用新型的有益效果： 
在保温管壳的实际使用中，里层的温差远大于外层，所以对保温管壳里层的耐高温、耐老化、阻燃和线性膨胀系数的要求高于外层，按照管壳体内外层温度条件的不同，将保温管 壳的管壳体设置两层，实现管壳体的耐高温、阻燃和保温的多重效果，增大保温管壳的使用温度范围。 
附图说明
图1耐高温阻燃复合保温管壳的局部剖视结构图。 
图2耐高温阻燃复合保温管壳使用状态的局部剖视结构图。 
具体实施方式
一种耐高温阻燃复合保温管壳，它包括管壳体1，所述的管壳体1内部为两端开放的圆柱形空腔2，所述的管壳体1由耐高温阻燃层3和保温层4组成，所述的耐高温阻燃层3设在管壳体1内层，所述的保温层4设在管壳体1外层。所述的圆柱形空腔2的直径为D30mm～D2040mm，所述的耐高温阻燃层3的厚度为5mm～800mm，所述的保温层4的厚度为5mm～150mm。所述的保温层4与耐高温阻燃层3粘合在一起。所述的耐高温阻燃层3为PIR材料，所述的保温层4为PUR材料。 
使用时，管壳体1内部的圆柱形空腔2内径设计为与管道5的外径相配合，管壳体1套装在管道5上，起到管道保温作用。设在管壳体1内层的耐高温阻燃层3使管壳可以在温度较高的管道5上使用。运行温度范围为：-198℃～170℃。 

Claims (4)

1.一种耐高温阻燃复合保温管壳，其特征在于它包括管壳体(1)，所述的管壳体(1)内部为两端开放的圆柱形空腔(2)，所述的管壳体(1)由耐高温阻燃层(3)和保温层(4)组成，所述的耐高温阻燃层(3)设在管壳体(1)内层，所述的保温层(4)设在管壳体(1)外层。
2.根据权利要求1所述的耐高温阻燃复合保温管壳，其特征在于所述的圆柱形空腔(2)的直径为D30mm～D2040mm，所述的耐高温阻燃层(3)的厚度为5mm～800mm，所述的保温层(4)的厚度为5mm～150mm。
3.根据权利要求1所述的耐高温阻燃复合保温管壳，其特征在于所述的保温层(4)与耐高温阻燃层(3)粘合在一起。
4.根据权利要求1-3中任意一项所述的耐高温阻燃复合保温管壳，其特征在于所述的耐高温阻燃层(3)为PIR材料，所述的保温层(4)为PUR材料。
CN201120255613U 2011-07-19 2011-07-19 一种耐高温阻燃复合保温管壳 Expired - Fee Related CN202140746U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318144A (zh) * 2014-06-18 2016-02-10 天津鑫宇通防腐保温工程有限公司 Pir深冷预制保温管
CN111336326A (zh) * 2020-03-09 2020-06-26 天津市中通管道保温有限公司 一种中空夹层阻燃型保温管

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318144A (zh) * 2014-06-18 2016-02-10 天津鑫宇通防腐保温工程有限公司 Pir深冷预制保温管
CN111336326A (zh) * 2020-03-09 2020-06-26 天津市中通管道保温有限公司 一种中空夹层阻燃型保温管

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