CN110593522B - 基于固体废弃物循环利用所制作的被动房 - Google Patents
基于固体废弃物循环利用所制作的被动房 Download PDFInfo
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Abstract
本发明属于固体废弃物利用领域,具体涉及一种基于固体废弃物循环利用所制作的被动房。本发明所提供的被动房的基本组件包括室内地板、天花板、墙体隔板;主体包括钢结构骨架;还包括设置在屋顶的太阳能系统、涂布在内墙最外层的粉煤灰基自动调湿涂层、室内屋顶处的隔音保温调湿板、墙体薄层保温系统。本发明的被动房实现了固体废弃物的循环利用,通过对粉煤灰等废弃物的改性与复配制备得具有各种特殊功能的功能材料,并将其设计成无源节能环保、自适应调节湿度、智能捕捉有害物的结构,能为人们提供舒适并且节省资源、能源的生活方式,对人类社会健康发展以及社会发展均极具深远的意义。
Description
技术领域
本发明属于固体废弃物利用技术领域,具体涉及一种基于固体废弃物循环利用所制作的被动房。
背景技术
被动房(Passive House)是一种被动式超低能耗建筑。被动式超低能耗建筑是一般是指适应当地的气候特征和自然条件,通过保温隔热性能和气密性能更高的围护结构,采用新风热回收技术,利用可再生能源,提供舒适室内环境的建筑。
被动式超低能耗建筑设计多采用被动式设计策略。被动式设计策略主要是建筑设计所采用合适朝向、蓄热材料、遮阳装置、自然通风等策略的设计类型。这些策略尽可能地被动接受或直接利用可再生能源。被动式超低建筑为人们提供了舒适并且节省资源的方式,对人类社会健康发展具有深远的意义。
CN 106830812A披露了一种轻质隔热被动房,由以下组分按重量百分比混合制备而成:水泥15-35份、粉煤灰5-20份、玻璃微珠10-20份、乳胶粉1-5份、纤维素醚1-3份、生物质复合材料25-50份。上述的发明主要是以水泥,粉煤灰主要的胶凝材料,并添加乳胶粉作为辅助胶凝材料,结合有机和无机胶凝材料的特点,增强了板材强度。另外添加了玻璃微珠以及生物质复合材料,有效利用了农业废弃物,大大降低了板材的重量,而且具备了较好的隔热,隔音效果。
上述的方案并未披露如何提高被动房的抗菌性能和抗静电性;另外上述专利文献中,也采用了农业废弃物为原料,但除粉煤灰外的其他原料多为价格较贵的新料,挤出成型后仍需要二次开榫。
因此需要针对上述的缺陷进行改进,发明一种以废弃物为原料、具有较佳抗静电性能、抗菌性能的被动房。
发明内容
为了解决上述的技术问题,本发明提供了一种基于固体废弃物循环利用所制作的被动房,该被动房的材料在制作时,主要是以粉煤灰等废弃物的改性与复配,与聚合物能形成良好的结合界面,使最终产品具有较佳的抗静电性能。
本发明以利用固体废弃物为原料制备人们居住的具有自适应、无源节能和智能捕捉有害物的全新类型被动房出发,继承了被动房的尽可能的被动接受与利用可再生的能源、节省后期使用过程中的资源的优点。
本发明的被动房的主体材料基本都是废弃物为主,比如本发明的内墙是由粉煤灰、秸秆或木粉、废旧塑料等为原料制作的;本发明的隔音保温调湿板取材于生活污泥,粉煤灰等;
本发明的被动房其材料都具有特殊功能性,例如是节能减排,例如赋予有利于人体健康的功能性;各种具有功能性材料的组合,得到了一种具有特殊的功能性被动房,符合社会发展的趋势,满足人们高质量生活的需求。
本发明是通过下述的技术方案来实现的:
基于固体废弃物循环利用所制作的被动房,其基本组件包括室内地板、天花板、墙板;
被动房的主体包括钢结构骨架;
被动房还包括设置在屋顶的太阳能系统,以及室内湿度无源自调节系统、室内屋顶处的隔音保温调湿板、墙体薄层保温系统;
室内地板、天花板、墙板的制备原料以重量份计,包括110~130份的粉煤灰、25 ̄50份高密度聚乙烯、15~30份改性木粉和/或改性农作物秸秆粉、1~2份三聚磷酸钠,3~8份马来酸酐改性聚乙烯和/或氯化马来酸改性聚乙烯。
被动房的窗台采用粉煤灰基抗菌材料制备而成,详见本发明人披露的专利文献CN107383422《一种粉煤灰基复合材料及其制备方法和应用》;以上的材料不仅环保而且其抗菌性能优异。
被动房的浴室、厨房和阳台处的地板采用粉煤灰基复合防滑材料制备,其材料详见本发明人申请的专利文献CN 109354860A《一种复合防滑材料》;以上的浴室或厨房或阳台的防滑地板等人体经常接触到的室内材料也采用了粉煤灰基抗菌材料,不仅起到了抗菌的作用,还具有防滑的功效;
被动房的门纱和/或窗纱上负载有PM2.5捕捉剂。该捕捉剂用于捕捉进入室内空气里的PM2.5等有害颗粒或物质,以保证室内空气免受污染,保护被动房内所居住人群的身体健康;该捕捉剂详见本发明人披露的专利文献CN 105879557A《一种PM2.5空气滤芯及其制备方法》;
被动房的室内湿度无源自调节系统,采用粉煤灰基自动调湿涂层涂布在被动房的墙板内墙的最外层,该自调节系统用粉煤灰基自动调湿涂层(ZL 201410713326.9),涂布在被动房的内墙最外层,不需要电源,直接调节室内空气湿度,自动调节湿度到人类居住的理想状态;
被动房的室内墙体薄层保温系统位于内墙的中间层和屋顶的中间层。该保温系统详见本发明人所公开的专利文献CN 105733006A《具有储热和反辐射结构的多层保温材料及其制备方法》;该保温系统可以起到阻止内部热量散失,防止室外炎热或寒冷的极端气候对室内温度的大幅度影响。
隔音保温调湿板包括以下重量份数的原料:
生活污泥20~30、碱3~8、粉煤灰35~60、硅源材料4~16、有机质8~12、有机物亲水改性剂0.1~0.25、无机物亲水改性剂0.15~0.25。
优选的,隔音保温调湿板中,硅源材料包括硅酸钠和/或水玻璃;
有机质包括木粉和/或秸秆;
有机物亲水改性剂包括小分子表面活性剂或非离子表面活性剂中的至少一种;
无机物亲水改性剂包括三聚磷酸钠、六偏磷酸钠、焦磷酸钠、聚丙烯酸钠盐、聚丙烯酸铵盐、聚羧酸钠、聚丙烯酰胺或硅烷偶联剂中的至少一种。
上述的基于固体废弃物循环利用所制作的被动房,其中地板、天花板、墙板的制备方法如下:
(1)预混:采用三聚磷酸钠、硬脂酸对粉煤灰表面进行改性;
木粉和/或农作物秸秆粉在表面活性剂的作用下与抗静电剂结合再在常温下真空干燥所获得的改性木粉或农作物秸秆粉;
(2)捏合:将(1)中改性后的粉煤灰与高密度聚乙烯、碳酸钙、石蜡、马来酸酐改性聚乙烯或氯化马来酸改性聚乙烯、改性木粉和/或改性农作物秸秆粉捏合后,再通过双螺杆机预造粒;
(3)挤出:将(2)中造粒获得的粒料,双螺杆挤出机挤出成型;
(4)表面处理:表面压花,打磨,获得的板材作为被动房的地板、天花板、墙板;
各原料以重量份计,包括110~130份的粉煤灰、25 ̄50份高密度聚乙烯、15~30份改性木粉和/或改性农作物秸秆粉、1~2份三聚磷酸钠,3~8份马来酸酐改性聚乙烯和/或氯化马来酸改性聚乙烯。
上述的基于固体废弃物循环利用所制作的被动房中,粉煤灰为一级灰;
高密度聚乙烯的熔融指数为10~45;
地板、天花板和墙板的材料还包括2~4份润滑剂和/或10~25份碳酸钙;
木粉和/或农作物秸秆粉在表面活性剂的作用下与抗静电剂结合再在常温下真空干燥得到改性木粉或农作物秸秆粉;
表面活性剂由是非离子表面活性剂与阴离子表面活性剂的复配所获;
非离子表面活性剂为乙二醇、基酚环氧乙基醚、壬基酚环氧乙基醚中的任一种;
阴离子表面活性剂为聚羧酸钠、聚丙烯酰胺中的一种;
抗静电剂为氯化钠和/或烷基磷酸酯类水溶性抗静电剂;
优选的,木粉或农作物秸秆粉为100~200目;
木粉和/或农作物秸秆粉与抗静电剂的重量比为:20~45:1~2.5。
本发明的创新之处在于:
1.通过对粉煤灰进行改性,具体是在对粉煤灰表面用三聚磷酸钠进行改性,使其与聚合物的形成良好的结合界面;
2.高密度聚乙烯再生粒料,强度好;聚氯乙烯是一种主流的高分子地板材料,但是该材料容易被划伤,容易被烧伤或者是烫伤,这一特点多多少少的限制了其应用;另外,聚氯乙烯在遇到火灾时会产生有害的气体,不利于人们逃生,所以仅采用聚氯乙烯作为板材,无法解决上述的缺陷;
本发明采用废旧高密度聚乙烯(HDPE),高密度聚乙烯材料具有很好的抗冲击性,与粉煤灰复配后,抗划伤性显著增强。由于粉煤灰自身就是阻燃的,其复合地板具有很好的耐火性能,同时高温下不会释放有害气体;
在克服静电危害问题方面,本发明中利用特殊工艺与配方处理过的木粉或农作物秸秆粉作为一种填充料,一方面提高地板的韧性、拉伸与抗折等性能,另一方面可以有效的解决静电问题。利用木粉或农作物秸秆粉中植物纤维的结构,在其结构中接枝、嵌段或吸附有机或无机的抗静电剂,再添加到地板中去,得到具有良好抗静电性的地板。
本发明的有益效果在于:
1变废为宝,节约资源,环境友好
以粉煤灰和废旧塑料、农作物秸秆等固体废物为原料,既合理妥善的处理了固体废弃物,又变废为宝,将其制备成了被动房;具体实施例中的实验证明了本发明的被动房中各污染气体的含量均远远低于标准;
2被动房抗冲击性能和抗划伤性能强
各原料组合后,其克服了各原料本身所固有的缺陷,例如,粉煤灰与高密度聚乙烯复配后,抗划伤性显著增强;
3被动房具有良好的抗静电能力
本发明将木粉或农作物秸秆粉改性,利用改性后的木粉或农作物秸秆粉中植物纤维的结构,在其结构中接枝、嵌段或吸附有机或无机的抗静电剂,再添加到地板中去,得到具有良好抗静电性的地板;并且本发明将改性木粉或农作物秸秆粉与高密度聚乙烯复配,还提高了地板的韧性、拉伸与抗折等性能;
4阻燃性能好
由于粉煤灰自身就是阻燃的,其复合地板具有很好的耐火性能,同时高温下高密度聚乙烯比聚氯乙烯相对安全,热降解时不会释放含氯的有害气体。
具体实施方式
实施例1
基于固体废弃物循环利用所制作的被动房,被动房的基本组件包括室内地板、天花板、墙板;
被动房的主体包括钢结构骨架;
被动房还包括设置在屋顶的太阳能系统(市售常规的太阳能系统),以及室内湿度无源自调节系统、室内屋顶处的隔音保温调湿板、墙体薄层保温系统;
被动房的窗台采用粉煤灰基抗菌材料制备而成,详见本发明人的专利文献CN107383422《一种粉煤灰基复合材料及其制备方法和应用》;以上的材料不仅环保而且其抗菌性能优异;
被动房的浴室、厨房和阳台处的地板采用粉煤灰基复合防滑材料制备,其材料详见本发明人申请的专利文献CN 109354860A《一种复合防滑材料》;以上的浴室或厨房或阳台的防滑地板等人体经常接触到的室内材料也采用了粉煤灰基抗菌材料,不仅起到了抗菌的作用,还具有防滑的功效;
被动房的门纱和/或窗纱上负载有PM2.5捕捉剂。该捕捉剂用于捕捉进入室内空气里的PM2.5等有害颗粒或物质,以保证室内空气免受污染,保护被动房内所居住人群的身体健康;该捕捉剂详见本发明人披露的专利文献CN 105879557A《一种PM2.5空气滤芯及其制备方法》;
被动房的墙板内侧的最外层有粉煤灰基自动调湿涂层,即室内湿度无源自调节系统;该涂层的方案详见本发明人所公开的另一篇专利文献CM 104356834A《一种基于多孔材料的调湿涂料及其制备方法》;将该自动调湿涂层涂布在被动房的内墙最外层,不需要接入外接电源,直接调节室内空气湿度,自动调节湿度到人类居住的理想状态;
被动房的室内墙体薄层保温系统位于内墙的中间层和屋顶的中间层。该保温系统详见本发明人所公开的专利文献CN 105733006A《具有储热和反辐射结构的多层保温材料及其制备方法》;该保温系统可以起到阻止内部热量散失,防止室外炎热或寒冷的极端气候对室内温度的大幅度影响。
隔音保温调湿板包括以下重量份数的原料:
生活污泥25、碱5、粉煤灰50、硅酸钠12、木粉10、有机物亲水改性剂(小分子表面活性剂)0.15、三聚磷酸钠0.2。
上述的基于固体废弃物循环利用所制作的被动房,其中地板、天花板、墙板的制备方法如下:
(1)预混:采用1.2份三聚磷酸钠、1份硬脂酸对粉煤灰表面进行改性;
木粉和农作物秸秆粉在表面活性剂乙二醇和聚羧酸钠的作用下与1.5份抗静电剂结合再在常温下真空干燥所获得的改性木粉和改性农作物秸秆粉;
100份木粉和农作物秸秆粉在0.9份表面活性剂乙二醇和1.2份聚羧酸钠的作用下与1.5份抗静电剂结合再在常温下真空干燥所获得的改性木粉和改性农作物秸秆粉;同时还可以根据情况加入少量的阻燃剂,提高板材的防火级别;
(2)捏合:将(1)中改性后的110份粉煤灰(一级灰)与30份高密度聚乙烯(熔融指数为10~45)、12份碳酸钙、2份石蜡、3份马来酸酐改性聚乙烯和2份氯化马来酸改性聚乙烯、15份改性木粉和5份改性农作物秸秆粉捏合后,再通过双螺杆机预造粒;
改性木粉和改性农作物秸秆粉的粒度为100~200目;
(3)挤出:将(2)中造粒获得的粒料,双螺杆挤出机挤出成型;
(4)表面处理:表面压花,打磨,获得的板材作为被动房的地板、天花板、墙板。
实施例2~实施例5的方法与实施例1相同,仅在原料配比上有变化,具体原料配比见表1。
表1实施例1~5中的原料配比表
组别 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 |
废旧HDPE | 30 | 35 | 40 | 45 | 35 |
粉煤灰 | 110 | 110 | 120 | 130 | 120 |
改性木粉(150目) | 15 | 5 | 25 | 2 | 20 |
改性农作物秸秆粉(100目) | 5 | 20 | 3 | 38 | 5 |
硬脂酸 | 1 | 1 | 1 | 2 | 1 |
三聚磷酸钠 | 1.2 | 1.2 | 1.4 | 1.5 | 1.4 |
润滑剂石蜡 | 2 | 2.5 | 3 | 3.5 | 2.5 |
马来酸酐改性聚乙烯 | 3 | 4 | 5 | 6 | 4 |
氯化马来酸改性聚乙烯 | 2 | 1 | 2 | 2 | 2 |
碳酸钙 | 12 | 15 | 20 | 22 | 20 |
抗静电剂 | 1.5 | 1.8 | 2.0 | 2.4 | 2.0 |
HDPE为高密度聚乙烯。
制备的产品在具有资质的实验室完成质量检测。由下表2可以看出地板的各项性能指标高于国家标准或行业标准。
表2本发明实施例1~5中的产品性能检测表
实施例6
针对实施例1中的墙板,本发明人还做了如下的实验,对大肠杆菌和金黄色葡萄球菌的抑菌性能进行检测,参照ISO22196:2007《塑料制品表面抗菌性能评价方法》和中华人民共和国轻工行业标准QB/T2591-2003《抗菌塑料抗菌性能试验方法和抗菌效果》。结果如下:
表3大肠杆菌和金黄色葡萄球菌(抑菌率%)
表4本发明各实施例产品的性能
防滑系数 | 保温板两侧温度差 | 弯曲破坏载荷保留率/% | |
实施例1 | 0.86 | 13.5℃ | 87.4 |
实施例2 | 0.85 | 12℃ | 88.1 |
实施例3 | 0.81 | 12.5℃ | 86.5 |
实施例4 | 0.82 | 11.5℃ | 86.2 |
实施例5 | 0.83 | 12.2℃ | 87.3 |
从以上表格中的数据可以看出,本发明各实施例中的产品抗菌性较好,且防滑系数在0.8以上,具有较好的防滑性能。从弯曲破坏载荷保留率来看,抗老化性能较好。
本发明人对实施例1~5进行了耐老化性有测试(GB/T24508-2009),实施例1~5均通过2000小时测试。
对比例1
基于固体废弃物循环利用所制作的被动房的制备方法,包括以下的步骤:
(1)预混:采用三聚磷酸钠、硬脂酸对粉煤灰表面进行改性;(改性方法同实施例1)
(2)捏合:将(1)中改性后的120份粉煤灰与熔融指数为35的30份高密度聚乙烯、2份石蜡、3份马来酸酐改性聚乙烯和2份氯化马来酸改性聚乙烯、15份改性木粉和5份改性农作物秸秆粉于110℃捏合30min后,捏合时转速是1000rm/min,再通过双螺杆机预造粒;
(3)将(2)中造粒获得的粒料,配色母粒,在190℃的条件下双螺杆挤出机挤出成型;
(4)表面处理:表面压花,打磨,获得被动房。
制备的产品在具有资质的实验室完成质量检测。由表5可以看出地板的各项性能指标高于国家标准或行业标准。
表5对比例1的板材耐冲击性能
对比例1中采用未改性处理的普通木粉作为原料,所获得的产品其耐冲击性能不如各实施例中的板材。以上的对比例说明,本发明中通过对木粉进行改性处理,增强了板材的抗冲击性能。
以下的污染物检测方法:室内甲醛的检测方法参照GB15516-1995;苯系物的检测参照HJ584-2010苯系物的检测;
表6实施例1中的被动房中污染物测试结果
表7实施例1中的被动房的基本参数
表8实施例1中的被动房温差结果
环境温度 | 室内温度 | |
测试1 | 38℃ | 27℃ |
测试2 | 40℃ | 28℃ |
测试3 | -2℃ | 15℃ |
测试4 | -6℃ | 14℃ |
在某座城市中选取一处作为被动房的实验地,测量该被动房中的环境温度,从表8中的数据可以看出,本发明的被动房,在环境温度较高时,室内温度能保持在一个使人体舒适的温度范围内;在环境温度较低时,室内温度同样能保持在一个使人体舒适的温度范围内。
从以上表格中的数据可以看出,本发明的被动房具有以下的特点:
1.原料易得,成本低廉;本发明所提供的被动房,是以废弃的物质作为原料,以合理的环保的工艺处理,获得的材料作为制作被动房的原料,将所需的能源最小化,同时还做到了建筑热量损耗最小化,这种绿色的被动房很好的节约了资源,极大的节约了建筑成本。
2.保温性能较佳,从表格8中的数据可以看出,测试1~4中,即便是环境温度非常高达到38℃及以上时,本发明实施例1中的被动房中的温度能保持在27℃左右;在寒冷的天气里,本发明的被动房中的温度能保持在15℃左右的宜人温度中;
3.环保,无气味;通过表6中的数据可以看出,本发明的被动房安全、环保、绿色;通过对甲醛、苯及苯系物等污染物的检测,发现被动房中上述的污染物含量非常低,均在安全的范围内;
4.抗冲击性能强;从表1中可以看出,本发明的被动房其抗冲击性能较好;低温落锤冲击测试中,﹣10℃无裂纹;符合国标的要求;
5.抑菌性能较好,通过表3中的数据可以看出,本发明的被动房其墙板,对于大肠杆菌和金黄色葡萄球菌,均具有良好的抑菌性能。
Claims (7)
1.基于固体废弃物循环利用所制作的被动房,其特征在于:所述被动房的基本组件包括室内地板、天花板、墙板;
所述被动房的主体包括钢结构骨架;
所述被动房还包括设置在屋顶的太阳能系统,以及室内湿度无源自调节系统、室内屋顶处的隔音保温调湿板、墙体薄层保温系统;
所述的室内地板、天花板、墙板的制备原料以重量份计,包括110~130份的粉煤灰、25~50份高密度聚乙烯、15~30份改性木粉和/或改性农作物秸秆粉、1~2份三聚磷酸钠,3~8份马来酸酐改性聚乙烯和/或氯化马来酸改性聚乙烯;所述隔音保温调湿板包括以下重量份数的原料:生活污泥20~30、碱3~8、粉煤灰35~60、硅源材料4~16、有机质8~12、有机物亲水改性剂0.1~0.25、无机物亲水改性剂0.15~0.25,所述硅源材料为硅酸钠或水玻璃;有机质为木粉和/或秸秆。
2.如权利要求1所述的基于固体废弃物循环利用所制作的被动房,其特征在于:
被动房的窗台采用粉煤灰基抗菌材料制备而成。
3.如权利要求1所述的基于固体废弃物循环利用所制作的被动房,其特征在于:
被动房的浴室、厨房和阳台处的地板采用粉煤灰基复合防滑材料制备。
4.如权利要求1所述的基于固体废弃物循环利用所制作的被动房,其特征在于:
被动房的门纱和/或窗纱上负载有PM2.5捕捉剂。
5.如权利要求1所述的基于固体废弃物循环利用所制作的被动房,其特征在于:
被动房的室内湿度无源自调节系统,采用粉煤灰基自动调湿涂层涂布在被动房的墙板内墙的最外层。
6.如权利要求1所述的基于固体废弃物循环利用所制作的被动房,其特征在于:
被动房的室内墙体薄层保温系统位于内墙的中间层和/或和屋顶的中间层。
7.如权利要求1所述的基于固体废弃物循环利用所制作的被动房,其特征在于:
隔音保温调湿板中,有机物亲水改性剂包括小分子表面活性剂或非离子表面活性剂中的至少一种;
无机物亲水改性剂包括三聚磷酸钠、六偏磷酸钠、焦磷酸钠、聚丙烯酸钠盐、聚丙烯酸铵盐、聚羧酸钠、聚丙烯酰胺或硅烷偶联剂中的至少一种。
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