CN110315826A - 一种保温被及其生产方法 - Google Patents
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Abstract
本发明公开了一种保温被及其生产方法。保温被包括被体保温层和防水防护层,被体保温层位于两层防水防护层之间,被体保温层和防水防护层通过绗缝方式连接在一起;被体保温层包括聚热吸热层、单向导热层、蓄热保温层和单向传热层,聚热吸热层、单向导热层、蓄热保温层和单向传热层按照由外至内的顺序依次排列,单向导热层和单向传热层的热传递的方向均为单向且由外至内;聚热吸热层为远红外线涂层布,单向导热层采用单向导热碳纤维,蓄热保温层为再生纤维毛毡,单向传热层为导热硅胶。本发明制得的保温被保温效果好、不易吸水、耐候性好、结构简单、设计合理、使用方便、实用性好,成本低廉,生产过程简单易行,对环境不产生二次污染。
Description
技术领域
本发明属于循环再利用技术领域,特别是涉及一种保温被及其生产方法。
背景技术
据统计,全球废旧纺织品每年大约4500万吨,中国也已突破2000万吨(包括旧服装、旧家纺、边角料等),大量的废旧纺织品大多作为垃圾掩埋和焚烧,不仅造成资源浪费,而且纺织品很难降解,填埋会长期占用大量的土地资源;低温燃烧容易产生二噁英,高温焚烧会产生氮氧化物等大气污染物,污染环境。
近些年来,废旧纺织品的利用以物理机械法开松成纤维,用于生产大棚保温被、路基布等纤维毡类为主。大棚保温被为例,大棚保温被是作为替代草帘保持大棚种植环境的一类重要表面覆盖材料。目前,因为缺乏相应的配套研究,导致保温被普遍存在保温性能差,厚重,使用寿命短的问题,并且存在雨雪天吸水潮湿后,保温被重量更重,保温性能进一步降低;甚至吸水冷冻结冰后,无法卷放,丧失使用功能。
发明内容
本发明提供了一种保温被及其生产方法,以解决现有保温被保温性能差、厚重、使用寿命短的问题。
第一方面,本发明提供的一种保温被,包括被体保温层和防水防护层,被体保温层位于两层防水防护层之间,被体保温层和防水防护层通过绗缝方式连接在一起;被体保温层包括聚热吸热层、单向导热层、蓄热保温层和单向传热层,聚热吸热层、单向导热层、蓄热保温层和单向传热层按照由外至内的顺序依次排列,单向导热层和单向传热层的热传递的方向均为单向且由外至内;聚热吸热层为远红外线涂层布,单向导热层采用单向导热碳纤维,蓄热保温层为再生纤维毛毡,单向传热层为导热硅胶。
可选地,聚热吸热层、单向导热层、蓄热保温层和单向传热层之间通过低熔点纤维无纺布高温熔融、热压轧、冷压轧粘结连接在一起。
可选地,绗缝针眼使用PE塑胶封堵。
可选地,防水防护层为经防水涂层的聚丙烯无纺布。
可选地,低熔点纤维无纺布的厚度为0.5-1mm。
第二方面,本发明还提供了一种保温被的生产方法,包括以下步骤:
步骤S1,将废旧纺织品开松纤维在梳棉流水线设备中,依次通过抓棉机、开松机、混棉箱、振动给棉箱、梳理机进行充分开松梳理成型,然后送入铺网机铺网,制得再生纤维毛毡,得到蓄热保温层。
步骤S2,以远红外线涂层布作为聚热吸热层,以单向导热碳纤维作为单向导热层,以导热硅胶作为单向传热层,按照聚热吸热层-低熔点纤维无纺布-单向导热层-低熔点纤维无纺布-蓄热保温层-低熔点纤维无纺布-单向传热层的排列方式将各层进行排列,其中,单向导热层和单向传热层热传递方向一致。
步骤S3,将上述排列后的各层输送到100-150℃的环境中,加热7-10min,使得各层间的低熔点纤维无纺布的纤维熔融,然后热压轧,再冷压轧,制得被体保温层。
步骤S4,按照防水防护层-被体保温层-防水防护层的排列方式将各层进行排列,通过绗缝方式连接在一起,制得保温被。
步骤S5,将绗缝针眼使用PE塑胶封堵,防止渗水。
可选地,低熔点纤维无纺布厚度为0.5-1mm。
可选地,步骤S1中:梳理机:锡林速度800-1000rpm,道夫15-20HZ,工作辊10-12HZ,上屏18-22HZ;铺网机:预刺针刺频率为450-550rpm、预刺针深8mm;倒刺针刺频率为500-600rpm、倒刺针深6mm;三刺针刺频率为400-500rpm、三刺针深5mm。
可选地,步骤S2中:热轧温度为160-180℃,压力为300-400Kg/cm2;冷轧温度为5-8℃,压力为350-450Kg/cm2。
可选地,防水防护层为经防水涂层的聚丙烯无纺布。
本发明具有以下有益效果:
通过上述描述可知,本发明提供的一种保温被及其生产方法,解决了现有保温被保温性能差,厚重,使用寿命短等问题,本发明制得的保温效果好、不易吸水、耐候性好、结构简单、设计合理、使用方便、实用性好,成本低廉。可适用于食用菌、畜禽养殖、冬季蔬菜大棚、遮盖混凝土制品、精密仪器防冻、救灾帐篷等多种场景。
本发明保温被的生产方法为将废旧纺织品开松纤维在梳棉流水线设备中,依次通过喂棉机、开松机、混棉箱、梳理机进行充分开松梳理成型,然后送入铺网机铺网,制得蓄热保温层;保温层各层间的低熔点纤维无纺布层纤维高温熔融,然后热压轧,再冷压轧,制得被体保温层;防水防护层与保温层之间通过绗缝连接在一起,制得保温被;生产过程简单易行,对环境不产生二次污染。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本发明。
附图说明
为了更清楚地说明本发明的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,对于本领域普通技术人员而言,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1为本发明保温被的结构示意图;
图2为本发明被体保温层的结构示意图。
上图中各标号分别表示:1-被体保温层,2-防水防护层,11-蓄热保温层,12-单向导热层,13-单向传热层,14-聚热吸热层,15-低熔点纤维无纺布。
具体实施方式
本发明提供了一种保温被及其生产方法,以解决现有保温被保温性能差、厚重、使用寿命短的问题。下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
如图1和2所示,本实施例提供的一种保温被,包括被体保温层1和防水防护层2,被体保温层1位于两层防水防护层2之间,被体保温层1和防水防护层2通过绗缝方式连接在一起,绗缝针眼使用PE塑胶封堵,防止渗水。被体保温层1包括聚热吸热层14、单向导热层13、蓄热保温层12和单向传热层11,聚热吸热层14、单向导热层13、蓄热保温层12和单向传热层11按照由外至内的顺序依次排列,单向导热层13和单向传热层 11的热传递的方向均为单向且由外至内。
聚热吸热层14为远红外线涂层布,主要的作用是吸收热量,将太阳能转化为热量,并且将热量收集,保证保温被的保暖效果。单向导热层13为单向导热碳纤维,通过正反面判断,使其热传递方向为从外至内,能够形成定向传输效果,将聚热吸热层14的热量传输至蓄热保温层12内,同时保证解决蓄热保温层12反向传输的问题,保证了蓄热保温层12蓄热的可行性。蓄热保温层12为再生纤维毛毡,具有优异的蓄热保温性能,与单向导热层13和单向传热层11协同增效,保证了保温被的保温效果,并且以废旧纺织品为原料,原料来源广泛、价格低廉,综合利用了废弃物,减少了环境污染,降低了原料成本,实现了废旧纺织品及纺织废料回收再生利用产业化,促进绿色循环低碳发展,提高了资源循环利用率。单向传热层11为导热硅胶,能够起到良好粘附效果,通过正反面判断,使其热传递方向为从外至内,能够形成定向传输导热效果,将蓄热保温层12的热量缓慢传输,保证保温被内层的温热及向内部的传热。聚热吸热层14、单向导热层13、蓄热保温层12和单向传热层11之间通过低熔点纤维无纺布15高温熔融、热压轧、冷压轧粘结连接在一起。可选择厚度在0.5-1mm范围内的低熔点纤维无纺布15。
防水防护层2可选择任意防水材料,在此不作限定。优选经防水涂层的聚丙烯无纺布,对被体保温层1起到保护作用,提高使用寿命,经防水涂层的聚丙烯无纺布不易吸水,能够起到防护效果,避免了雨雪天吸水潮湿,冷冻结冰,引起保温被变重,降低保温性能,保证了保温被的保温效果和使用寿命。
由于位于内外侧的两层防水防护层2结构材料作用均一致,难以辨认内外,因此在与聚热吸热层14连接的防水防护层2上标注“外”,在与单向传热层11连接的防水防护层2上标注“内”。
实施例2
本实施例2提供了一种保温被的生产方法,用以生产实施例1提供的保温被,包括以下步骤:
步骤S1,将废旧纺织品开松纤维在梳棉流水线设备中,依次通过抓棉机、开松机、混棉箱、振动给棉箱、梳理机进行充分开松梳理成型,然后送入铺网机铺网,制得再生纤维毛毡,得到蓄热保温层。其中,梳理机:锡林速度900rpm,道夫16HZ,工作辊10HZ,上屏19HZ;铺网机:预刺针刺频率为500rpm、预刺针深8mm;倒刺针刺频率为530rpm、倒刺针深6mm;三刺针刺频率为460rpm、三刺针深5mm。
步骤S2,以远红外线涂层布作为聚热吸热层,以单向导热碳纤维作为单向导热层,以导热硅胶作为单向传热层,选择厚度为0.5mm的低熔点纤维无纺布,按照聚热吸热层- 低熔点纤维无纺布-单向导热层-低熔点纤维无纺布-蓄热保温层-低熔点纤维无纺布-单向传热层的排列方式将各层进行排列,其中,单向导热层和单向传热层热传递方向一致。
步骤S3,将上述排列后的各层输送到140℃的环境中,加热7min,使得各层间的低熔点纤维无纺布的纤维熔融,然后热压轧,再冷压轧,制得被体保温层。其中,热轧温度为170℃,压力为300Kg/cm2;冷轧温度为6℃,压力为350Kg/cm2。
步骤S4,选择经防水涂层的聚丙烯无纺布作为防水防护层,按照防水防护层-被体保温层-防水防护层的排列方式将各层进行排列,通过绗缝方式连接在一起,制得保温被。为方便区分,绗缝之前,在与聚热吸热层连接的防水防护层上标注“外”,在与单向传热层连接的防水防护层上标注“内”。
步骤S5,将绗缝针眼使用PE塑胶封堵,防止渗水。
实施例3
本实施例3提供了另一种保温被的生产方法,用以生产实施例1提供的保温被,包括以下步骤:
步骤S1,将废旧纺织品开松纤维在梳棉流水线设备中,依次通过抓棉机、开松机、混棉箱、振动给棉箱、梳理机进行充分开松梳理成型,然后送入铺网机铺网,制得再生纤维毛毡,得到蓄热保温层。其中,梳理机:锡林速度1000rpm,道夫18HZ,工作辊11HZ,上屏20HZ;铺网机:预刺针刺频率为550rpm、预刺针深8mm;倒刺针刺频率为550rpm、倒刺针深6mm;三刺针刺频率为460rpm、三刺针深5mm。
步骤S2,以远红外线涂层布作为聚热吸热层,以单向导热碳纤维作为单向导热层,以导热硅胶作为单向传热层,选择厚度为0.8mm的低熔点纤维无纺布,按照聚热吸热层- 低熔点纤维无纺布-单向导热层-低熔点纤维无纺布-蓄热保温层-低熔点纤维无纺布-单向传热层的排列方式将各层进行排列,其中,单向导热层和单向传热层热传递方向一致。
步骤S3,将上述排列后的各层输送到135℃的环境中,加热9min,使得各层间的低熔点纤维无纺布的纤维熔融,然后热压轧,再冷压轧,制得被体保温层。其中,热轧温度为180℃,压力为350Kg/cm2;冷轧温度为7℃,压力为380Kg/cm2。
步骤S4,选择经防水涂层的聚丙烯无纺布作为防水防护层,按照防水防护层-被体保温层-防水防护层的排列方式将各层进行排列,通过绗缝方式连接在一起,制得保温被。为方便区分,绗缝之前,在与聚热吸热层连接的防水防护层上标注“外”,在与单向传热层连接的防水防护层上标注“内”。
步骤S5,将绗缝针眼使用PE塑胶封堵,防止渗水。
通过上述描述可知,本发明提供的一种保温被及其生产方法,解决了现有保温被保温性能差,厚重,使用寿命短等问题,本发明制得的保温效果好、不易吸水、耐候性好、结构简单、设计合理、使用方便、实用性好,成本低廉。
本发明保温被的生产方法为将废旧纺织品开松纤维在梳棉流水线设备中,依次通过喂棉机、开松机、混棉箱、梳理机进行充分开松梳理成型,然后送入铺网机铺网,制得蓄热保温层;保温层各层间的低熔点纤维无纺布层纤维高温熔融,然后热压轧,再冷压轧,制得被体保温层;防水防护层与保温层之间通过绗缝连接在一起,制得保温被;生产过程简单易行,对环境不产生二次污染。
本发明保温被可以适用于食用菌、畜禽养殖、冬季蔬菜大棚、遮盖混凝土制品、精密仪器防冻、救灾帐篷等多种场景。
以上所述的本发明实施方式并不构成对本发明保护范围的限定。
本领域技术人员在考虑说明书及实践这里发明的公开后,将容易想到本发明的其它实施方案。本发明旨在涵盖本发明的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本发明未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本发明的真正范围和精神由下面的权利要求指出。
应当理解的是,本发明并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。
Claims (10)
1.一种保温被,其特征在于,包括被体保温层(1)和防水防护层(2),所述被体保温层(1)位于两层所述防水防护层(2)之间,所述被体保温层(1)和防水防护层(2)通过绗缝方式连接在一起;所述被体保温层(1)包括聚热吸热层(14)、单向导热层(13)、蓄热保温层(12)和单向传热层(11),所述聚热吸热层(14)、单向导热层(13)、蓄热保温层(12)和单向传热层(11)按照由外至内的顺序依次排列,所述单向导热层(13)和单向传热层(11)的热传递的方向均为单向且由外至内;所述聚热吸热层(14)为远红外线涂层布,所述单向导热层(13)采用单向导热碳纤维,所述蓄热保温层(12)为再生纤维毛毡,所述单向传热层(11)为导热硅胶。
2.根据权利要求1所述的保温被,其特征在于,所述聚热吸热层(14)、单向导热层(13)、蓄热保温层(12)和单向传热层(11)之间通过低熔点纤维无纺布(15)高温熔融、热压轧、冷压轧粘结连接在一起。
3.根据权利要求1所述的保温被,其特征在于,绗缝针眼使用PE塑胶封堵。
4.根据权利要求1所述的保温被,其特征在于,所述防水防护层(2)为经防水涂层的聚丙烯无纺布。
5.根据权利要求2所述的保温被,其特征在于,所述低熔点纤维无纺布(15)的厚度为0.5-1mm。
6.一种保温被的生产方法,其特征在于,包括以下步骤:
步骤S1,将废旧纺织品开松纤维在梳棉流水线设备中,依次通过抓棉机、开松机、混棉箱、振动给棉箱、梳理机进行充分开松梳理成型,然后送入铺网机铺网,制得再生纤维毛毡,得到蓄热保温层;
步骤S2,以远红外线涂层布作为聚热吸热层,以单向导热碳纤维作为单向导热层,以导热硅胶作为单向传热层,按照聚热吸热层-低熔点纤维无纺布-单向导热层-低熔点纤维无纺布-蓄热保温层-低熔点纤维无纺布-单向传热层的排列方式将各层进行排列,其中,单向导热层和单向传热层热传递方向一致;
步骤S3,将上述排列后的各层输送到100-150℃的环境中,加热7-10min,使得各层间的低熔点纤维无纺布的纤维熔融,然后热压轧,再冷压轧,制得被体保温层;
步骤S4,按照防水防护层-被体保温层-防水防护层的排列方式将各层进行排列,通过绗缝方式连接在一起,制得保温被;
步骤S5,将绗缝针眼使用PE塑胶封堵,防止渗水。
7.根据权利要求6所述的保温被的生产方法,其特征在于,所述低熔点纤维无纺布厚度为0.5-1mm。
8.根据权利要求6所述的保温被的生产方法,其特征在于,步骤S1中:
所述梳理机:锡林速度800-1000rpm,道夫15-20HZ,工作辊10-12HZ,上屏18-22HZ;
所述铺网机:预刺针刺频率为450-550rpm、预刺针深8mm;倒刺针刺频率为500-600rpm、倒刺针深6mm;三刺针刺频率为400-500rpm、三刺针深5mm。
9.根据权利要求6所述的保温被的生产方法,其特征在于,步骤S2中:热轧温度为160-180℃,压力为300-400Kg/cm2;冷轧温度为5-8℃,压力为350-450Kg/cm2。
10.根据权利要求6所述的保温被的生产方法,其特征在于,所述防水防护层为经防水涂层的聚丙烯无纺布。
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