CN110029782A - 阻根防水卷材及其单机制备设备 - Google Patents
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Abstract
本发明公开了一种阻根防水卷材及其单机制备设备,通过改变防水卷材的阻根层设置,强化阻根效果,同时达到简化设备结构,只用一台挤出成型机即可完成阻根防水卷材的制造,在阻根防水卷材与普通防水卷材生产之间切换更容易,不需要移动调整设备就可以完成生产切换,设备利用率显著提高,也大大提高了生产效率。
Description
技术领域
本发明涉及防水材料及其制造设备领域,具体的讲涉及一种阻根防水卷材及其单机制备设备。
背景技术
目前的种植屋顶及路旁坡面种植都需要实现做防水,对屋顶主要是防止雨水和灌溉用水渗漏,防止其破坏建筑物,而路旁坡面做防水主要是防止水土流失和自然灾害,主要是提高防止雨水浸灌后易导致山体滑坡的问题。而在这些应用场合中,防水卷材除去防水要求外还有一个重要要求是防止植物根系穿刺破坏。植物具有强大的生命力,其根系也非常发达。植物根系天然具有极强的穿透力,一般的建筑物屋面、砖瓦结构、岩石结构墙面、甚至混凝土都会被植物根系逐渐穿透并破坏,一般的防水卷材也一样,普通防水卷材在种植植物的情况下不足一年就会被植物根系穿透,破坏防水能力。所以,在屋面种植和坡面种植的需要做防水的时候会选用具有阻根穿刺能力的防水卷材。
目前的阻根穿刺防水卷材均采用两层有机高分子防水材料层中间夹一层阻根层的结构,阻根层一般选用强力纤维。强力纤维提高防水卷材强度,起到阻根防穿刺效果。这种防水卷材的问题是制造设备相对复杂,目前无法实现单机制造,在制造时,需要两台挤出成型机一起作业,挤出成型机各自有料斗、恒温加热输送绞龙以及片材挤出口,目前均采用两台机器料斗和恒温加热输送蛟龙并排安放,将两台设备的挤出口对准成型挤压辊上下设置,强力纤维输送设备位于正对成型挤压辊的挤出机的上方,这种设备设置不仅仅需要两台设备同步工作,而且占地面积加倍,机器运转维护都更复杂,更换生产不同防水卷材就需要完全拆除另一台设备,生产设备的利用率低,生产不方便。
发明内容
本发明的目的在于克服上述传统技术的不足之处,提供一种阻根防水卷材及其单机制备设备。
本发明的目的是通过以下技术措施来达到的:
一种阻根防水卷材,包括防水基层,所述防水基层的一面涂覆有自粘层,其特征在于:所述防水基层的另一面设有强力纤维层。
作为一种优选方案,所述防水基层与自粘层之间设有附着强化层,附着强化层为聚酯纤维布。附着强化层的聚酯纤维布与防水基层和自粘层之间的粘结力更强,将防水基层与自粘层之间设置聚酯纤维布不仅能够增加阻根强度,而且能够增加自粘层的附着力,减少防水卷材的分离现象。
作为一种优选方案,所述防水基层的制备材料为聚氯乙烯、聚乙烯或热塑性聚烯烃。
作为一种优选方案,所述自粘层为沥青自粘油、压敏胶或丁基胶其中之一制成。
本发明的产品在国家建筑材料工业建筑防水材料产品质量监督检验测试中心所做的检验报告显示,热老化和人工气候加速老化均明显超出国家标准,耐化学性指标下,无论是盐处理、碱处理还是酸处理,都明显高于国家标准,显示本发明的优异性能。
上述阻根防水卷材的单机制备设备,包括顺序设置的一台挤出成型机、挤压成型机和涂胶机,所述挤出成型机包括料斗、与料斗连接的推料绞龙、与推料绞龙连接的挤出口,其特征在于:所述挤出成型机上方和/或下方设有供料装置,所述供料装置包括供料辊和驱动供料辊旋转的供料驱动。
作为一种优选方案,所述供料装置包括同步检测,所述同步检测包括料带张紧检测和料带下垂检测。
作为一种优选方案,所述料带张紧检测包括安置于料带上方的上接近开关。
作为一种优选方案,所述料带下垂检测包括安置于料带下方的下接近开关。
同步检测检测到料带接近上接近开关7时反馈至供料驱动提速;同步检测检测到料带接近下接近开关时反馈至供料驱动提速,同步检测通过料带张紧检测和料带下垂检测控制供料驱动保持料带处于稳定无张力供给状态,消除覆合后防水卷材的内部应力,保证成品防水卷材长期存放和使用都不会因内部应力变形。
由于采用了上述技术方案,与现有技术相比,本发明的优点是:
本发明公开了一种阻根防水卷材及其单机制备设备,通过改变防水卷材的阻根层设置,强化阻根效果,同时达到简化设备结构,只用一台挤出成型机即可完成阻根防水卷材的制造,在阻根防水卷材与普通防水卷材生产之间切换更容易,不需要移动调整设备就可以完成生产切换,设备利用率显著提高,也大大提高了生产效率。
下面结合附图和具体实施方式对本发明作进一步说明。
附图说明
附图1是本发明一种阻根防水卷材实施例1的结构示意图。
附图2是本发明一种阻根防水卷材实施例2的结构示意图。
附图3是本发明一种用于生产阻根防水卷材的单机制备设备的实施例3结构示意图。
附图4是本发明一种用于生产阻根防水卷材的单机制备设备的实施例4的结构示意图。
具体实施方式
实施例1:如附图1所示,一种阻根防水卷材,包括防水基层12,所述防水基层12的一面涂覆有自粘层13,所述防水基层12的另一面设有强力纤维层11。
在本实施例中,所述防水基层12的制备材料为聚氯乙烯、聚乙烯或热塑性聚烯烃,所述自粘层13为沥青自粘油、压敏胶或丁基胶其中之一制成。
实施例2:如附图2所示,本实施例中所述防水基层12与自粘层13之间设有附着强化层14,附着强化层14为聚酯纤维布。附着强化层14的聚酯纤维布与防水基层12和自粘层13之间的粘结力更强,将防水基层12与自粘层13之间设置附着强化层14不仅能够增加阻根强度,而且能够增加自粘层13的附着力,减少防水卷材的分离现象。本实施例中其余部分与实施例1相同。
实施例3:如附图3所示,一种用于生产实施例1中阻根防水卷材的单机制备设备,包括顺序设置的一台挤出成型机2、挤压成型机3和涂胶机4,所述挤出成型机2包括料斗21、与料斗21连接的推料绞龙22、与推料绞龙22连接的挤出口24,推料绞龙22上套装有恒温加热装置23,所述挤压成型机3包括两根压辊和若干根导开辊,所述两根压辊之间距离可调设置,所述两根压辊挤压挤出口挤出的片材和料带,使两者紧密结合并达到设定的厚度,所述挤出成型机2上方设有供应料带的供料装置5,所述供料装置5包括供料辊、驱动供料辊旋转的供料驱动和同步检测,所述同步检测包括料带张紧检测和料带下垂检测。料带8即上述阻根防水卷材中的强力纤维层11。供料装置5中的供料辊和供料驱动均是现有技术,不详细描述。
所述料带张紧检测包括安置于料带8上方的上接近开关7,所述料带下垂检测包括安置于料带8下方的下接近开关6。上接近开关7检测到料带8接近,说明料带8开始张紧,料带8传送速度低于压辊转动速度,则反馈至供料驱动提速;当下接近开关6检测到料带8接近,说明料带8开始过度松弛,料带8传送速度高于压辊转动速度,则反馈至供料驱动减速。同步检测通过料带张紧检测和料带下垂检测控制供料驱动保持料带8处于稳定无张力供给状态,消除覆合后防水卷材的内部应力,保证成品防水卷材长期存放和使用都不会因内部应力变形。
当然,也可以采用供料装置设置于挤出成型机下方的结构,不管哪种设置,机器都可以随时直接停用供料装置,而改为生产无阻根层的防水卷材,不需要任何其他调整,可以大幅度节约设备调整时间,提高生产效率,同时节约一台挤出成型机的投资,避免重复投资。
实施例4:如附图4所示,一种用于生产实施例2中阻根防水卷材的单机制备设备,在本实施例中,采用两台供料装置,分置于挤出成型机上方和下方,用于生产实施例2中的双阻根层的阻根防水卷材。料带8即实施例2中阻根防水卷材中的强力纤维层11,料带9即实施例2中阻根防水卷材中的强力纤维层14,两台供料装置分别输送实施例2中阻根防水卷材的强力纤维层11和附着强化层14。本实施例其余部分与实施例3相同。
Claims (9)
1.一种阻根防水卷材,包括防水基层,所述防水基层的一面涂覆有自粘层,其特征在于:所述防水基层的另一面设有强力纤维层。
2.根据权利要求1所述的一种阻根防水卷材,其特征在于:所述防水基层与自粘层之间设有附着强化层。
3.根据权利要求2所述的一种阻根防水卷材,其特征在于:所述附着强化层为聚酯纤维布。
4.根据权利要求1所述的一种阻根防水卷材,其特征在于:所述防水基层的制备材料为聚氯乙烯、聚乙烯或热塑性聚烯烃。
5.根据权利要求1所述的一种阻根防水卷材,其特征在于:所述自粘层为沥青自粘油、压敏胶或丁基胶其中之一制成。
6.根据权利要求1至5中任一所述的一种阻根防水卷材的单机制备设备,其特征在于:包括顺序设置的一台挤出成型机、挤压成型机和涂胶机,所述挤出成型机包括料斗、与料斗连接的推料绞龙、与推料绞龙连接的挤出口,其特征在于:所述挤出成型机上方和/或下方设有供料装置,所述供料装置包括供料辊和驱动供料辊旋转的供料驱动。
7.根据权利要求6所述的一种阻根防水卷材的单机制备设备,其特征在于:所述供料装置包括同步检测,所述同步检测包括料带张紧检测和料带下垂检测。
8.根据权利要求7所述的一种阻根防水卷材的单机制备设备,其特征在于:所述料带张紧检测包括安置于料带上方的上接近开关。
9.根据权利要求7所述的一种阻根防水卷材的单机制备设备,其特征在于:所述料带下垂检测包括安置于料带下方的下接近开关。
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