CN105823127B - 一种具有杀菌除甲醛作用的空气净化器 - Google Patents

一种具有杀菌除甲醛作用的空气净化器 Download PDF

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CN105823127B
CN105823127B CN201610207877.7A CN201610207877A CN105823127B CN 105823127 B CN105823127 B CN 105823127B CN 201610207877 A CN201610207877 A CN 201610207877A CN 105823127 B CN105823127 B CN 105823127B
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polypeptide
air
sterilization
air purifier
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CN105823127A (zh
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门东东
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Gansu Dingli Environmental Protection Technology Co., Ltd.
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Gansu Dingli Environmental Protection Technology Co Ltd
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Priority to CN201810491223.0A priority patent/CN108679715A/zh
Application filed by Gansu Dingli Environmental Protection Technology Co Ltd filed Critical Gansu Dingli Environmental Protection Technology Co Ltd
Priority to CN201810490744.4A priority patent/CN108679748A/zh
Priority to CN201810491447.1A priority patent/CN108895553A/zh
Priority to CN201810526591.4A priority patent/CN108709240A/zh
Priority to CN201810491224.5A priority patent/CN108870538A/zh
Priority to CN201810491448.6A priority patent/CN108895554A/zh
Priority to CN201810491449.0A priority patent/CN108931011A/zh
Priority to CN201810490745.9A priority patent/CN108662672A/zh
Priority to CN201810490743.XA priority patent/CN108895552A/zh
Priority to CN201810491225.XA priority patent/CN108895540A/zh
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Abstract

本发明公开了一种具有杀菌除甲醛功能的空气净化器，含有杀菌结构层4；所述的杀菌结构层4按照空气流动的方向依次包含HEP颗粒物过滤网7、水汽发生层8、固定有杀菌多肽的多肽层9、除甲醛滤网10；其中水汽发生层8不仅可以为流过的空气加湿，增加室内空气的舒适度，还有利于多肽层的杀菌。本发明研制的空气净化器，特别适用于杀菌、除甲醛以及加湿的功效，具有制备简单，成本低廉，便于安装使用的效果。

Description

一种具有杀菌除甲醛作用的空气净化器
技术领域
本发明主要涉及一种空气净化器，具体是一种具有杀菌除甲醛作用的空气净化器。
背景技术
空气净化器又称“空气清洁器”、空气清新机、净化器，是指能够吸附、分解或转化各种空气污染物(一般包括PM2.5、粉尘、花粉、异味、甲醛之类的装修污染、细菌、过敏原等)，有效提尚空气清洁度的广品。
室内空气污染将直接影响人的舒适性感受并引起呼吸道疾病。中国正处在城市化快速发展阶段，每年建成的居住及办公用房面积达到数亿平方米，难免有不良建筑材料和家具导致的室内空气污染。同时，室外环境也令人担忧，尤其是几个超大城市，雾霾天气时有发生，PM2.5超标的天数逐年增多，关系到数亿民众的健康和切身利益，是现阶段我国城镇居民普遍面临和关心的民生问题。为改善人们居住和工作场所的空气质量，迫切需要开发针对各种室内空气污染物的实用的空气净化技术。
空气净化器中有多种不同的技术和介质，使它能够向用户提供清洁和安全的空气。常用的空气净化技术有:吸附技术、负(正)离子技术、催化技术、光触媒技术、超结构光矿化技术、HEPA高效过滤技术、静电集尘技术等；材料技术主要有:光触媒、活性炭、合成纤维、HEAP高效材料、负离子发生器等。现有的空气净化器多采为复合型，即同时采用了多种净化技术和材料介质。空气净化器主要由马达、风扇、空气过滤网、智能监测系统组成，部分型号的机器配有加湿功能的水箱，或是辅助净化装置，如负离子发生器、高压电路、紫外线杀菌等；负离子发生器，主要是将负离子随清洁的空气一起送出，负离子具有镇静、催眠、镇痛、增食欲、降血压等功能。采用高压电路是用于形成高压静电场，能瞬间完全杀灭寄附在灰尘上的细菌、病毒，防止感冒、传染病等疾病。但是该技术的缺点是需要注意电器安全性问题(高压有时会达到几万伏)，清洗困难。紫外线灭菌的参数:细菌中的脱氧核糖核酸(DNA)、核糖核酸(RNA)和核蛋白的吸收紫外线的最强峰在254～257nm。细菌吸收紫外线后，引起DNA链断裂，造成核酸和蛋白的交联破裂，杀灭核酸的生物活性，致细菌死亡。优点:快速，彻底，杀菌范围广，效率高。目前，紫外线杀菌是在机器内部使用紫外线灯消毒杀菌，要达到有效的消毒功能必须保证一定的照射时间，空气净化器一般风速较大，若要实现杀菌功能，首先需要保证杀菌的空气从进到出至少要跟紫外线灯有2秒以上的接触，据统计，目前国内的装有紫外线灯的空气净化器均满足不了以上的要求，紫外杀菌能力非常有限；其次，由于紫外线能够穿透细胞使其死亡，因此用紫外线消毒时要注意不能直接照射到人的皮肤，尤其是人的眼睛。如果不小心眼受伤，就象被太阳光灼伤一样，存在一定的安全隐患。
在现有技术中多肽具有一定的杀菌作用，采用多肽进行杀菌，具有环保、安全、无毒的功效，适合大面积的推广使用，而且成本低廉，更换简单方便。
发明内容：
本发明的目的在于克服上述已有技术的不足，提供一种具有具有杀菌作用的空气净化器。
本发明是通过以下技术方案实现的：
一种具有杀菌除甲醛作用的空气净化器，其特征在于含有杀菌结构层(4)；所述的杀菌结构层(4)按照空气流动的方向依次包含HEP颗粒物过滤网(7)、水汽发生层(8)、固定有杀菌多肽的多肽层(9)、除甲醛滤网(10)；其中水汽发生层(8)不仅可以为流过的空气加湿，增加室内空气的舒适度，还有利于多肽层的杀菌。
所述的多肽层，是由3层或者更多的多肽薄膜层构成，可以采用交叉、螺旋、蛇形等多种构造，来增加流通面积，便于杀菌。
所述水汽发生层，是由本领域常见的气雾发生装置产生的气雾来产生的。其位于第二层的好处在于，避免了第一层的灰尘在湿润后堵塞过滤网，导致空气流通不畅，不利于空气的净化。
本发明另外提供一种抗菌多肽的制备方法，我们首先构建了多肽数据库，然后采用计算机模拟筛选技术进行抗菌肽的高通量的筛选。从计算机筛选结果中，选择18条能够特异性的抑制菌功能的多肽，通过常规的验证试验，证实了这些多肽具有抑制菌生长并且杀死相应菌的功能。所述的多肽分别命名为KQJH-1～18，其序列分别对应于SEQ ID NO：1-18所示。所述多肽，可以通过人工合成的方式用于后续的批量工业化生产。
本发明另外提供一种多肽薄膜层的制备方法，以本领域常规的铺膜方法进行铺膜，将多肽以均匀混合的形式融合在薄膜中即可。其中CN103589153A中的制备方法是最优的方式，但不是唯一的方式。
本发明的技术优点：
本发明研制的空气净化器，具有杀菌以及去除甲醛的的功效，并且制备方式简便，并不要特殊的工艺，即可实现了所述的效果。具有制备简单，使用方便，便于安装使用的效果，并且维护成本低廉。
附图说明
图1为空气净化器的结构示意图。其中(l)为出风口，(2)为本体,(3)为风机，(4)杀菌结构层，(5)为水汽导流管，(6)为水箱、水泵以及水汽发生装置。
图2为杀菌结构层(4)的具体结构，其中(7)为HEP颗粒物过滤网，(8)水汽发生层，(9)多肽层，(10)为除甲醛滤网。
具体实施方式：
实施例1 多肽以及薄膜的制备
首先构建了多肽数据库，然后采用计算机模拟筛选技术进行抗菌肽的高通量的筛选。从计算机筛选结果中，选择18条能够特异性的杀菌功能的多肽，通过常规的验证试验，证实了这些多肽具有杀菌的功能。所述的多肽分别命名为KQJH-1～18，其序列分别对应于SEQ ID NO：1-18所示。所述多肽，可以通过人工合成的方式用于后续的批量工业化生产。
将所述的多肽制备成为薄膜层，方法为：(1)原料混合:25℃下，在三口瓶中加热3g4，4’-二胺基二苯醚与54mL N，N-二甲基乙酰胺，经超声搅拌至完全溶解后，向其中加入5.72gγAl2O3溶胶，继续超声搅拌28～35min；(2)聚酰胺酸/γAl2O3前驱体的制备:在冰水浴条件下，将3.27g均苯四甲酸二酐平均分6次加入到三口瓶中，制得聚酰胺酸γAl2O3前驱体，继续搅拌6h，充分混合γAl2O3与聚酰胺酸；再加入0.1gKQJH-1即SEQ ID NO：1所示的多肽；(3)铺膜:将步骤(2)制得的混合溶液倒入在玻璃板上铺膜，在烘箱中保温0.7h，控制烘箱温度为80℃；(3)复合薄膜的制备:将步骤(3)保温后的玻璃板取出，待自然冷却后，将薄膜和玻璃板置于去离子水中浸泡2.5～3.2h,然后从玻璃板上取下薄膜,得到厚度为25～30μm的复合薄膜；(5)烘干:将步骤(4)制得的复合薄膜置于烘箱中烘干。
所述薄膜层可以按照实施例1的方法，分别为采用KQJH-1～18的多肽制备成为的18种不同类型的多肽层，进而可以组合获得18种类型的空气净化器。
实施例2 空气净化器的制备
按照本领域常规的空气净化器方法，按照图1的制备结构，制备得到所述的空气净化器。所述过滤层以不同的多肽层为基础，采用3层膜叠加的方式制备得到所述的多肽层，共制备得到18种类型。
实施例3 对照
以过滤层不含有多肽层的空气净化器作为对照。
实施例4 杀菌实验
菌株的选择：以金黄色葡萄球菌(ATCC 6538)作为革兰氏阳性菌的代表；大肠杆菌(8099)作为革兰氏阴性菌的代表；枯草芽胞杆菌(ATCC 9372)作为细菌芽孢的代表；绳状青霉(ATCC 10509)作为真菌的代表；大肠杆菌f2噬菌体作为病毒的代表。
杀灭细菌和病毒效果的评价，参照日本Method No.NU_734_99，溶菌酶滤纸的杀菌评价试验(液滴气相试验法)；杀灭霉菌效果的评价，参照AATCC30-1993《织物材料抗菌作用的评价：织物材料的防霉变和防腐蚀》。
杀菌实验结果
实施例5 空气杀菌实验
通过菌落喷雾，在20个独立的5平方米、高2.5米的独立小房间(与外间隔离)，专辟于微生物实验室，用玻璃建造。大肠杆菌菌落个数为10000个/m3。将实施例4中使用的20种净化器，分别置于房间内，开启风力等级为大风，工作30min，然后开启室内存放的大肠杆菌空气含量检测专用平皿，通过培养，检测结果如下：
从以上结果可以看出，本发明的空气净化器，具有较好的杀菌效果，同时由于加入了除甲醛的滤网，所述的净化器同时还有去除甲醛的功能，一机多用，节省成本。
序列表
〈110〉门东东
〈120〉一种具有杀菌除甲醛作用的空气净化器
〈160〉18
〈210〉1
〈211〉18
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-1
NAHPAVWYDRDHHYERFY
〈210〉2
〈211〉18
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-2
FCSVVMQHHSMRDRCHYS
〈210〉3
〈211〉17
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-3
NTILGMCQAMTIFEGDG
〈210〉4
〈211〉16
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-4
YQCSNHDSQDTHHRGV
〈210〉5
〈211〉17
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-5
VLLREYYPRGQTQQLSG
〈210〉6
〈211〉16
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-6
SSGRMKMNHTRHWISN
〈210〉7
〈211〉18
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-7
PWQCSDWDRPHRRRSLLQ
〈210〉8
〈211〉18
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-8
KKANWNSPAFCQHRAIVG
〈210〉9
〈211〉17
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-9
IITQDKQNPWTTLFAGG
〈210〉10
〈211〉16
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-10
HGFTLPPHCWFRRSNK
〈210〉11
〈211〉18
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-11
GCPSKSSSDCSVQKAYRA
〈210〉12
〈211〉17
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-12
WDTRMFGGIRRQTWHGV
〈210〉13
〈211〉16
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-13
QMFRRRYQPQGYYRPW
〈210〉14
〈211〉18
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-14
QYNSKLCLDSRGHQIDQD
〈210〉15
〈211〉17
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-15
YGTLRKFYRTIWVDGQC
〈210〉16
〈211〉16
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-16
RWPQACFSFVHPIGVP
〈210〉17
〈211〉16
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-17
VSSILHYYPPRKLYQC
〈210〉18
〈211〉17
〈212〉PRT
〈213〉人工序列
〈400〉KQJH-18
MAKCACQEMGYNDTPTR

Claims (2)

1.一种具有杀菌除甲醛作用的空气净化器，其特征在于含有杀菌结构层4；所述的杀菌结构层4按照空气流动的方向依次包含HEP颗粒物过滤网7、水汽发生层8、固定有杀菌多肽的多肽层9、除甲醛滤网10；其中水汽发生层8不仅可以为流过的空气加湿，增加室内空气的舒适度，还有利于多肽层的杀菌，所述的多肽层9含有SEQ ID NO：1所示的多肽。
2.一种多肽，其序列如SEQ ID NO：1所示。
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