CN108722363B - 一种湿度再生二氧化碳吸附膜展开方法 - Google Patents

一种湿度再生二氧化碳吸附膜展开方法 Download PDF

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CN108722363B
CN108722363B CN201810420644.4A CN201810420644A CN108722363B CN 108722363 B CN108722363 B CN 108722363B CN 201810420644 A CN201810420644 A CN 201810420644A CN 108722363 B CN108722363 B CN 108722363B
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carbon dioxide
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宋居正
朱亮亮
陈曦
闫渊
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Linhe climate Technology (Beijing) Co.,Ltd.
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Abstract

一种湿度再生二氧化碳吸附膜展开方法，将湿度再生二氧化碳吸附膜剪裁成半径为R的圆形吸附膜；在圆形吸附膜上分别剪裁出一级对称同心圆弧切口以形成一级对称同心圆弧，二级对称同心圆弧切口以形成二级对称同心圆弧，三级对称同心圆弧切口以形成三级对称同心圆弧；固定圆心，然后在圆形吸附膜上与一级对称同心圆弧切口垂直的径向位置处向外施加拉力，即将吸附膜拉伸展开成三维立体结构；释放施加在径向位置处的拉力，展开的三维立体结构在吸附膜弹性作用下又回复到平面结构；本发明可以实现吸附膜在平面结构与三维立体结构之间转换。当吸附膜为平面结构时，减小了空间体积，便于堆叠运输；当吸附膜展开成三维立体结构时，可以增加表面积，便于空气流通，提高吸附膜的吸附效果。

Description

一种湿度再生二氧化碳吸附膜展开方法
技术领域
本发明涉及二氧化碳吸附膜技术领域，具体涉及一种湿度再生二氧化碳吸附膜展开方法。
背景技术
二氧化碳捕集与封存技术被认为是解决大气二氧化碳浓度持续升高、全球气候变暖等问题的重要技术途径。该技术途径的关键步骤之一是研究新型低成本、高效的二氧化碳吸附剂。湿度再生二氧化碳吸附剂可以实现低成本、高效吸附空气中的二氧化碳，近年来相关研究逐渐增多。
湿度再生二氧化碳吸附剂可以在干燥环境中吸附二氧化碳并在湿润环境中解吸附，释放二氧化碳。该种吸附剂一般在密封空间中湿空气氛围下解吸附二氧化碳，然后通过低温-高压法将二氧化碳从湿空气中分离出来。该种吸附剂一般混合聚合物制备成薄膜，在运输与解吸附时需要尽可能压缩薄膜堆叠体积，而在吸附时则需要薄膜展开，以获得足够大的表面积实现快速空气流通从而高效吸附二氧化碳。但是目前已有的薄膜展开机构的加工工艺都过于复杂，无法低成本推广。
发明内容
为了实现上述目的，本发明的提供一种湿度再生二氧化碳吸附膜展开方法，该展开方法可以实现吸附膜在平面结构与三维立体结构之间转换，当吸附膜为平面结构时，减小了空间体积，便于堆叠运输或压缩在密封空间中解吸附；当吸附膜展开成三维立体结构时，可以增加表面积，便于空气流通，提高吸附膜的吸附效果。
为了达到上述目的，本发明采用如下技术方案：
一种湿度再生二氧化碳吸附膜展开方法，包括如下步骤：
步骤1：将湿度再生二氧化碳吸附膜剪裁成半径为R的圆形吸附膜；
步骤2：在圆形吸附膜上分别剪裁出一级对称同心圆弧切口1以形成一级对称同心圆弧，二级对称同心圆弧切口2以形成二级对称同心圆弧，三级对称同心圆弧切口3以形成三级对称同心圆弧；
步骤3：固定圆心5，然后在圆形吸附膜上与一级对称同心圆弧切口1垂直的径向位置4处向外施加拉力，即将吸附膜拉伸展开成三维立体结构；释放施加在径向位置4处的拉力，展开的三维立体结构在吸附膜弹性作用下又回复到平面结构；
形成的所述一级对称同心圆弧、二级对称同心圆弧和三级对称同心圆弧的圆弧半径分别为0.8R～0.9R、0.6R～0.7R、0.4R～0.5R，角度均为120～170°。
所述湿度再生二氧化碳吸附膜由湿度再生二氧化碳吸附剂混合聚合物制备成薄膜。
本发明具有以下优点：
(1)实现了二氧化碳吸附膜在平面结构和三维立体结构之间的简单高效转换。
(2)本发明方法简单，成本低廉，解决了湿度再生二氧化碳吸附膜运输或解吸附时对于压缩体积的要求和吸附时需要大表面积的需求二者之间的矛盾，为湿法再生二氧化碳吸附膜的大规模应用提供了实现方法。
附图说明
图1是本发明湿度再生二氧化碳吸附膜的平面结构示意图。
图2是本发明湿度再生二氧化碳吸附膜的展开结构示意图。
具体实施方式
下面结合附图1和具体实施方式对本发明作详细的说明：
如图1和图2所示，本发明提供一种湿度再生二氧化碳吸附膜展开方法，将吸附膜剪裁成半径为100mm的圆形吸附膜；在圆形吸附膜上分别剪裁出一级对称同心圆弧切口1以形成一级对称同心圆弧，二级对称同心圆弧切口2以形成二级对称同心圆弧，三级对称同心圆弧切口3以形成三级对称同心圆弧，一级对称同心圆弧、二级对称同心圆弧和三级对称同心圆弧的圆弧半径分别为80、60、40，角度均为170°；固定圆心5；在圆形吸附膜上与一级对称同心圆弧切口1垂直的径向位置4处向外施加拉力，即可将膜拉伸展开成附图2所示的展开三维立体结构。释放施加在径向位置4处的拉力展开三维立体结构在弹性作用下又回复到图1的平面结构。

Claims (2)

1.一种湿度再生二氧化碳吸附膜展开方法，其特征在于：包括如下步骤：
步骤1：将湿度再生二氧化碳吸附膜剪裁成半径为R的圆形吸附膜；
步骤2：在圆形吸附膜上分别剪裁出一级对称同心圆弧切口（ 1） 以形成一级对称同心圆弧，二级对称同心圆弧切口（ 2） 以形成二级对称同心圆弧，三级对称同心圆弧切口（ 3）以形成三级对称同心圆弧；
步骤3：固定圆心（ 5） ，然后在圆形吸附膜上与一级对称同心圆弧切口（ 1） 垂直的径向位置（ 4） 处向外施加拉力，即将吸附膜拉伸展开成三维立体结构；释放施加在径向位置（ 4） 处的拉力，展开的三维立体结构在吸附膜弹性作用下又回复到平面结构；
形成的所述一级对称同心圆弧、二级对称同心圆弧和三级对称同心圆弧的圆弧半径分别为0.8R～0.9R、0.6R～0.7R、0.4R～0.5R，角度均为120～170°。
2.根据权利要求1所述的一种湿度再生二氧化碳吸附膜展开方法，其特征在于：所述湿度再生二氧化碳吸附膜由湿度再生二氧化碳吸附剂混合聚合物制备成薄膜。
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CN105473202A (zh) * 2013-08-12 2016-04-06 Spf技术有限责任公司 可堆叠的平面吸附装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625139A (en) * 1994-10-21 1997-04-29 Vaisala Oy Method of measuring concentration of nonpolar gases such as carbon dioxide by means of a polymer-based sensor and concentration sensor structure
CN105189630A (zh) * 2013-03-15 2015-12-23 伯斯有限公司 三维空气吸附结构
CN105473202A (zh) * 2013-08-12 2016-04-06 Spf技术有限责任公司 可堆叠的平面吸附装置
CN104099725A (zh) * 2014-07-29 2014-10-15 浙江伟星实业发展股份有限公司 一种纳米纤维膜、其制备方法及纳米纤维复合材料、其制备方法
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