CN111002653A - 一种基于碳化硅布的路面加热装置的制备方法 - Google Patents

一种基于碳化硅布的路面加热装置的制备方法 Download PDF

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CN111002653A
CN111002653A CN201911263971.4A CN201911263971A CN111002653A CN 111002653 A CN111002653 A CN 111002653A CN 201911263971 A CN201911263971 A CN 201911263971A CN 111002653 A CN111002653 A CN 111002653A
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张冀
张博
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Jiangsu Saifei New Material Co ltd
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Abstract

本发明公开一种基于碳化硅布的路面加热装置的制备方法，概括来看主要为通过自动化织造制备一系列不同规格的碳化硅纤维平纹布和2.5D编织布，用2.5D编织布作为燃烧层，将平纹布通过逐层叠加的方式形成多层分配层，这样当可燃气体通过气体腔气化后经过逐层分流，最终在外表面形成均一的可燃气体层，点火后可直接对路面进行加热。相较现有技术，本发明创新性地使用了碳化硅纤维织物作为燃烧层，并采用硬质炭毡、高密度碳化硅纤维布作为分配层，利用碳化硅纤维黑体发热特性和高温抗氧化特性，对各种雨雪、积水沥青路面进行加热，有助于快速修复破损路面。

Description

一种基于碳化硅布的路面加热装置的制备方法
技术领域
本发明涉及一种适应各种雨雪、积水路面的高效率陶瓷纤维布加热装置，尤其涉及一种基于碳化硅布的路面加热装置的制备方法。
背景技术
连续碳化硅纤维是近年来新发展起来的一种高性能陶瓷纤维，它具有低密度、耐磨损、耐腐蚀、抗烧蚀等优点，是航空航天、精密仪器、交通运输、环保等领域轻量化发展趋势的重要支撑材料，可以制成毡、布、2.5D编织件和各种三维预制体。
据所查资料，目前路面加热装置基本都采用不锈钢材作为耐高温材料，燃烧层一般是金属丝网，内部采用不锈钢毡，在工作时，容易与雨雪路面和积水坑蒸发出的水汽反应，长时间使用极易锈蚀，而采用碳化硅纤维布作燃烧层，一方面该材料性能稳定，路况适应性强；另一方面，利用该材料黑体辐射材料特性，燃烧热可以最大效率被利用，而且本发明所用材料密度均不高于2.5g/cm3，降低了车辆总重，有利于降低油耗。
连续碳化硅纤维具有低密度、耐磨损、耐腐蚀、耐高温等优点，是热处理炉、燃烧室等热应用场所理想的候选材料。目前为止，路面修复的加热装置一般都采用不锈钢材料，未见采用连续碳化硅纤维织物的报道。
发明内容
为满足适应各种复合路面维修的需要，本发明的目的旨在提供一种基于碳化硅布的路面加热装置的制备方法，利用碳化硅材料低密度、耐磨损、耐腐蚀、抗烧蚀和黑体辐射等特点，实现各种复杂路面维修，保证工作连续化和稳定化。
为了解决以上技术难题，本发明的一种基于碳化硅布的路面加热装置的制备方法，包括以下步骤：
(1)预制体织造：采用连续碳化硅纤维，通过二维和2.5D织造成多种密度的平纹布或2.5D编织布；
(2)可燃气体腔制造：可燃气体腔采用不锈钢通过压铸和焊接制备而成，盖子上焊接网格状保护架；
(3)燃烧层及分配层固定：首先，以2.5D编织布作为燃烧层与保护架直接接触；然后，用多层平纹布以层叠方式平铺于2.5D编织布上；最后，在最外层平纹布上面加一层硬质炭毡，形成分配层；
(4)封装：将分配层、燃烧层和可燃气体腔通过外置螺栓连接。
作为优选的方案，步骤（1）中所述的2.5D编织布为连续碳化硅纤维和316L不锈钢丝混编而成，编织结构采用浅交弯联形式。
作为优选的方案，步骤（1）中所织造的平纹布的经纬密度不低于6×8。
作为优选的方案，步骤（3）中平纹布铺层一般为3-5层，每层织物经纱夹角为30°～60°，保证每层平纹布的孔隙相互错开。
作为优选的方案，步骤（3）中硬质炭毡的克重不低于500g/㎡，厚度6mm。
作为优选的方案，从连续碳化硅纤维选材上看，效果最好的是Si-C-Zr纤维，其可以辐射路面反射回热量的90%以上。
如上述方法制备的一种基于碳化硅布的路面加热装置，其可以长期在1200℃以下工作，燃烧介质可以是各种可燃气体。
本发明对于制备一种基于碳化硅布的路面加热装置的制备方法的有益效果，简单分述如下：
（1）在2.5D编织布织造过程中，采用连续碳化硅纤维和316L不锈钢纤维混合编织，编织结构选浅交弯联形式，这样织成的2.5D编织布硬度高，结构平整，利于固定；
（2）采用平纹布叠层时，上下两层偏离一定角度，这样利于可燃气体的均匀分配，有助于保持路面加热的均匀性；
（3）采用连续碳化硅纤维做为编织原料，化学性能稳定，耐强酸强碱、抗烧蚀，有利于修复各种复杂路面，包括化工厂路面或炸弹爆炸后路面等。
本发明公开一种基于碳化硅布的路面加热装置的制备方法，概括来看主要为通过自动化织造制备一系列不同规格的碳化硅纤维平纹布和2.5D编织布，用2.5D编织布作为燃烧层，将平纹布通过逐层叠加的方式形成多层分配层，这样当可燃气体通过气体腔气化后经过逐层分流，最终在外表面形成均一的可燃气体层，点火后可直接对路面进行加热。相较现有技术，本发明创新性地使用了碳化硅纤维织物作为燃烧层，并采用硬质炭毡、高密度碳化硅纤维布作为分配层，利用碳化硅纤维黑体发热特性和高温抗氧化特性，对各种雨雪、积水沥青路面进行加热，有助于快速修复破损路面。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合具体实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
实施例
(1)预制体织造：采用连续碳化硅纤维，通过二维和2.5D织造成多种密度的平纹布或2.5D编织布；上述的2.5D编织布为连续碳化硅纤维和316L不锈钢丝混编而成，编织结构采用浅交弯联形式；
(2)可燃气体腔制造：可燃气体腔采用不锈钢通过压铸和焊接制备而成，盖子上焊接网格状保护架；
(3)燃烧层及分配层固定：首先，以2.5D编织布作为燃烧层与保护架直接接触；然后，在2.5D编织布上层叠平铺经纬密度为6×8的平纹布，铺层一般为3-5层，每层织物经纱夹角为30°～60°；最后，在最外层平纹布上面加装一层厚度为6mm，单位克重不低于500g/㎡的硬质炭毡，形成分配层；
(4)封装：将分配层、燃烧层和可燃气体腔通过外置螺栓连接，中间以金属密封圈密封。
作为优选的方案，从连续碳化硅纤维选材上看，效果最好的是Si-C-Zr纤维，其可以辐射路面反射回热量的90%以上。
上述实施例旨在便于理解本发明制备方法在工艺参数调整上产品性能的走向。以使本领域技术人员能清楚掌握本发明技术方案的创新实质，并非仅在功能或产品性能上提出限定的实施方式。故而除上述实施例外，本发明还可以有其它多元实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围。

Claims (6)

1.一种基于碳化硅布的路面加热装置的制备方法，其特征在于，包括以下步骤：
(1)预制体织造：采用连续碳化硅纤维，通过二维和2.5D织造成多种密度的平纹布或2.5D编织布；
(2)可燃气体腔制造：可燃气体腔采用不锈钢通过压铸和焊接制备而成，盖子上焊接网格状保护架；
(3)燃烧层及分配层固定：首先，以2.5D编织布作为燃烧层与保护架直接接触；然后，用多层平纹布以层叠方式平铺于2.5D编织布上；最后，在最外层平纹布上面加一层硬质炭毡，形成分配层；
(4)封装：将分配层、燃烧层和可燃气体腔通过外置螺栓连接。
2.如权利要求1所述的一种基于碳化硅布的路面加热装置的制备方法，其特征在于，步骤（1）中所述的2.5D编织布为连续碳化硅纤维和316L不锈钢丝混编而成，编织结构采用浅交弯联形式。
3.如权利要求1所述的一种基于碳化硅布的路面加热装置的制备方法，其特征在于，步骤（1）中所织造的平纹布的经纬密度不低于6×8。
4.如权利要求1所述的一种基于碳化硅布的路面加热装置的制备方法，其特征在于，步骤（3）中平纹布铺层一般为3-5层，每层织物经纱夹角为30°～60°。
5.如权利要求1所述的一种基于碳化硅布的路面加热装置的制备方法，其特征在于，步骤（3）中硬质炭毡的克重不低于500g/㎡，厚度6mm。
6.如权利要求1所述的一种基于碳化硅布的路面加热装置的制备方法，其特征在于，所述的连续碳化硅纤维是Si-C-Zr纤维。
CN201911263971.4A 2019-12-11 2019-12-11 一种基于碳化硅布的路面加热装置的制备方法 Withdrawn CN111002653A (zh)

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CN209147088U (zh) * 2018-07-24 2019-07-23 何泽勤 泡沫材料短波燃气红外线燃烧器装置

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US4589843A (en) * 1976-04-07 1986-05-20 Smith Thomas M Infra-red irradiation
CN209147088U (zh) * 2018-07-24 2019-07-23 何泽勤 泡沫材料短波燃气红外线燃烧器装置
CN109297020A (zh) * 2018-10-22 2019-02-01 武汉奇灵能环科技有限公司 燃气红外燃烧系统

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Application publication date: 20200414