CN110812949A - 一种过滤医药洁净室排风空气的中效过滤材料及过滤器 - Google Patents

一种过滤医药洁净室排风空气的中效过滤材料及过滤器 Download PDF

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CN110812949A
CN110812949A CN201911151811.0A CN201911151811A CN110812949A CN 110812949 A CN110812949 A CN 110812949A CN 201911151811 A CN201911151811 A CN 201911151811A CN 110812949 A CN110812949 A CN 110812949A
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刘涛
周波
周海丽
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Wuxi Lingjie Cleaning Equipment Ltd By Share Ltd
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Abstract

本发明提供了一种过滤医药洁净室排风空气的中效过滤材料及过滤器,其能解决现有医药洁净室排风管道中加装的过滤器对臭氧、甲醛等消毒剂和灭菌剂的过滤效率有限,大量的消毒剂气体和灭菌剂气体排到室外,对环境造成污染的问题。其为三层结构且由上至下依次为第一中效过滤层、活性炭纤维层和第二中效过滤层,第一中效过滤层和第二中效过滤层均由中效过滤材料制成,活性炭纤维层位于第一中效过滤层和第二中效过滤层的内侧,活性炭纤维层的上、下表面边缘分别与第一中效过滤层和第二中效过滤层固定连接,第一中效过滤层和第二中效过滤层的边缘固定连接且密封。同时本发明还提供了一种过滤器。

Description

一种过滤医药洁净室排风空气的中效过滤材料及过滤器
技术领域
本发明涉及空气净化领域,具体为一种过滤医药洁净室排风空气的中效过滤材料及过滤器。
背景技术
药品生产过程中,应对洁净室中的微粒和微生物进行有效控制,以保证药品的质量不会受到威胁。《药品生产质量管理规范(2010年修订)》是药品生产管理和质量控制的基本要求,旨在最大限度地降低药品生产过程中污染、交叉污染以及混淆、差错等风险,确保持续稳定地生产出符合预定用途和注册要求的药品。GMP第四十一条指出应当对厂房进行适当维护,并确保维修活动不影响药品的质量。应当按照详细的书面操作规程对厂房进行清洁或必要消毒。GMP附录1第三条指出无菌药品的生产必须满足其质量和预定用途的要求,应当最大限度的降低微生物、各种微粒和热原的污染。
目前,大多数制药企业常用的消毒剂为臭氧,常用的灭菌剂为甲醛、过氧化氢、过氧乙酸和杀孢子剂(擦拭用途)。通常消毒和灭菌时,通过空调系统的风机将消毒剂和灭菌剂接入空调系统的回风主管内,对整个空调系统和洁净室进行封闭循环式消毒和灭菌,消毒或灭菌结束后,打开空调系统的排风通道,排出残余的消毒剂气体和灭菌剂气体。部分消毒剂和灭菌剂对人体有害,如过量臭氧对眼睛和呼吸道有刺激作用,对肺功能也有影响;甲醛对人的眼、鼻等器官有刺激作用,同时具有致癌性。因此,空调系统消毒和灭菌循环运行完毕,需要采用机械排风的方式,使系统内的残余气体在较短时间内尽可能排尽,以满足及时生产运行的需求。现有空调系统中常在排风管道中加装中效过滤器和/或高效过滤器,防止室外风倒灌进空调系统产生二次污染,但常规中/高效过滤器大多采用无纺布制成,对臭氧、甲醛等消毒剂和灭菌剂的过滤效率有限,大量的消毒剂气体和灭菌剂气体排到室外,对环境造成污染。
发明内容
针对现有医药洁净室排风管道中加装的过滤器对臭氧、甲醛等消毒剂和灭菌剂的过滤效率有限,大量的消毒剂气体和灭菌剂气体排到室外,对环境造成污染的技术问题,本发明提供了一种过滤医药洁净室排风空气的中效过滤材料,其能用于制备中效过滤器,有效吸附排风空气中的消毒剂和灭菌剂,减少有害气体排放,降低环境污染风险,同时本发明还提供了一种过滤器。
其技术方案是这样的:
一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:其为三层结构且由上至下依次为第一中效过滤层、活性炭纤维层和第二中效过滤层,所述第一中效过滤层和第二中效过滤层均由中效过滤材料制成,所述活性炭纤维层位于所述第一中效过滤层和第二中效过滤层的内侧,所述活性炭纤维层的上、下表面边缘分别与所述第一中效过滤层和第二中效过滤层固定连接,所述第一中效过滤层和第二中效过滤层的边缘固定连接且密封。
其进一步特征在于:
所述中效过滤材料为聚丙烯中效过滤材料、聚酯中效过滤材料或玻璃纤维中效过滤材料。
所述活性炭纤维层为活性炭纤维毡或活性炭纤维布。
所述活性炭纤维层的厚度为1mm~3mm,所述第一中效过滤层和第二中效过滤层的厚度为0.5mm~1.5mm。
所述活性炭纤维层的上表面涂覆有催化剂,所述催化剂为二氧化锰、二氧化钛或氧化铝。
所述催化剂表面通过化学沉积或物理沉积有纳米贵金属,所述贵金属为Au、Pd或Pt。
所述活性炭纤维层的上表面通过化学沉积或物理沉积有纳米银粒子。
所述活性炭纤维层的上、下表面边缘分别通过粘合剂与所述第一中效过滤层和第二中效过滤层固定连接,所述粘合剂的粘合宽度为1cm~2cm。
所述第一中效过滤层和所述第二中效过滤层的边缘四周均超出所述活性炭纤维层1cm~2cm,且超出部分通过超声波焊接缝合,缝合宽度为1cm~2cm。
一种过滤医药洁净室排风空气的过滤器,其特征在于:其是由上述中效过滤材料制成的板式中效过滤器和袋式中效过滤器,所述中效过滤材料的所述第一中效过滤层为迎风面。
本发明的有益效果是:
1、本发明的过滤医药洁净室排风空气的过滤材料包括三层过滤,第一中效过滤层和第二中效过滤层均由中效过滤材料制成,可以有效地过滤排风中大于1um的颗粒物,中间层为活性炭纤维层,可以高效吸附排风中的臭氧、甲醛等消毒剂气体和灭菌剂气体,减少有害气体排放,降低环境污染风险;同时活性炭纤维层被完全包裹在第一中效过滤层和第二中效过滤层之间,从而可有效防止活性炭纤维断裂散落到洁净空调系统中,避免产生交叉污染和二次污染。本排风空气过滤材料结构简单,生产工艺精简,材料安全性能高,不会对洁净空调系统产生交叉污染;材料可加工性能强,可制成不同结构的空气过滤器;
2、本发明的过滤器由本发明的中效过滤材料制成,将其应用到排风管道中,既可以有效地过滤排风中大于1um的颗粒物,防止室外风倒灌进空调系统产生二次污染,又可以高效吸附排风中的臭氧、甲醛等消毒剂气体和灭菌剂气体,减少有害气体排放,降低环境污染风险;通过将本发明的过滤器与常规高效过滤器一起安装在排风管道中,并且将本发明的过滤器安装在前,还能避免甲醛等气体在高效过滤器表面冷凝后形成结晶,进而延长高效过滤器使用寿命,降低二次污染的风险。
附图说明
图1为本发明中效过滤材料的主剖视图。
具体实施方式
见图1,本发明的一种过滤医药洁净室排风空气的中效过滤材料,其为三层结构且由上至下依次为第一中效过滤层1、活性炭纤维层2和第二中效过滤层3,第一中效过滤层1和第二中效过滤层3均由中效过滤材料制成,中效过滤材料为根据欧盟EN779标准规定,对0.4um粒子的平均过滤效率大于40%的过滤材料,根据分级可以为M5、M6、F7、F8和F9,具体的,中效过滤材料可以为聚丙烯中效过滤材料、聚酯中效过滤材料或玻璃纤维中效过滤材料;活性炭纤维层2可以为活性炭纤维毡或活性炭纤维布,活性炭纤维层2的厚度为1mm~3mm,第一中效过滤层1和第二中效过滤层3的厚度为0.5mm~1.5mm;活性炭纤维层2位于第一中效过滤层1和第二中效过滤层3的内侧,活性炭纤维层2的上、下表面边缘分别与第一中效过滤层1和第二中效过滤层3固定连接,第一中效过滤层1和第二中效过滤层3的边缘固定连接且密封。
作为优选,活性炭纤维层2的上表面涂覆有催化剂,涂覆工艺为常规工艺,催化剂为二氧化锰、二氧化钛或氧化铝,催化剂可以将活性炭纤维吸附的有害气体进行分解,有效防止被吸附气体聚集造成活性炭纤维的吸附效率急剧下降。作为进一步优选方案,催化剂表面还可以通过化学沉积或物理沉积有纳米贵金属以提高催化剂的催化效率,沉积工艺为常规工艺,贵金属为Au、Pd或Pt。
作为优选,活性炭纤维层2的上表面还可以通过化学沉积或物理沉积有纳米银粒子,以提高活性炭纤维层的抗菌性能,抑制活性炭纤维表面的细菌生长,沉积工艺为常规工艺。
见图1,活性炭纤维层2的上、下表面边缘分别通过粘合剂4与第一中效过滤层1和第二中效过滤层3固定连接,粘合剂4的粘合宽度w1为1cm~2cm;第一中效过滤层1和第二中效过滤层3的边缘四周均超出活性炭纤维层1cm~2cm,且超出部分通过超声波焊接缝合(图1中5代表超声波焊缝),缝合宽度w2为1cm~2cm。如此设计,中效过滤材料整体强度可靠,材料加工性能强。
本发明的一种过滤医药洁净室排风空气的过滤器,其是由上述中效过滤材料制成的板式中效过滤器和袋式中效过滤器,中效过滤材料的第一中效过滤层为迎风面。
下面以几个具体实施例详细说明本发明的中效过滤器材料。
实施例1
中效过滤器材料,第一中效过滤层和第二中效过滤层由聚丙烯中效过滤材料制成,过滤等级为F7,厚度0.5mm;活性炭纤维层为活性炭纤维布,厚度1mm;活性炭纤维层的上表面涂覆二氧化锰粒子做表面改性,增强活性炭纤维分解排风中有害气体的能力,二氧化锰粒子表面沉积有纳米Au粒子,进一步增强气体分解效率;活性炭纤维层的上、下表面边缘分别通过粘合剂与第一中效过滤层和第二中效过滤层固定连接,粘合剂的粘合宽度为1cm;第一中效过滤层和第二中效过滤层的边缘四周均超出活性炭纤维层1cm,且超出部分通过超声波焊接缝合,缝合宽度为1cm。
实施例2
中效过滤器材料,第一中效过滤层和第二中效过滤层由聚酯中效过滤材料制成,过滤等级为F8,厚度1.0mm;活性炭纤维层为活性炭纤维毡,厚度2mm;活性炭纤维层的上表面涂覆二氧化钛粒子做表面改性,增强活性炭纤维分解排风中有害气体的能力,二氧化钛粒子表面沉积有纳米Pd粒子,进一步增强气体分解效率;活性炭纤维层的上、下表面边缘分别通过粘合剂与第一中效过滤层和第二中效过滤层固定连接,粘合剂的粘合宽度为1.5cm;第一中效过滤层和第二中效过滤层的边缘四周均超出活性炭纤维层2cm,且超出部分通过超声波焊接缝合,缝合宽度为2cm。
实施例3
中效过滤器材料,第一中效过滤层和第二中效过滤层由玻璃纤维中效过滤材料制成,过滤等级为F9,厚度1.5mm;活性炭纤维层为活性炭纤维布,厚度3mm;活性炭纤维层的上表面涂覆氧化铝粒子做表面改性,增强活性炭纤维分解排风中有害气体的能力,氧化铝粒子表面沉积有纳米Pt粒子,进一步增强气体分解效率;活性炭纤维层的上、下表面边缘分别通过粘合剂与第一中效过滤层和第二中效过滤层固定连接,粘合剂的粘合宽度为2cm;第一中效过滤层和第二中效过滤层的边缘四周均超出活性炭纤维层1.5cm,且超出部分通过超声波焊接缝合,缝合宽度为1.5cm。

Claims (10)

1.一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:其为三层结构且由上至下依次为第一中效过滤层、活性炭纤维层和第二中效过滤层,所述第一中效过滤层和第二中效过滤层均由中效过滤材料制成,所述活性炭纤维层位于所述第一中效过滤层和第二中效过滤层的内侧,所述活性炭纤维层的上、下表面边缘分别与所述第一中效过滤层和第二中效过滤层固定连接,所述第一中效过滤层和第二中效过滤层的边缘固定连接且密封。
2.根据权利要求1所述的一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:所述中效过滤材料为聚丙烯中效过滤材料、聚酯中效过滤材料或玻璃纤维中效过滤材料。
3.根据权利要求1所述的一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:所述活性炭纤维层为活性炭纤维毡或活性炭纤维布。
4.根据权利要求1所述的一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:所述活性炭纤维层的厚度为1mm~3mm,所述第一中效过滤层和第二中效过滤层的厚度为0.5mm~1.5mm。
5.根据权利要求1所述的一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:所述活性炭纤维层的上表面涂覆有催化剂,所述催化剂为二氧化锰、二氧化钛或氧化铝。
6.根据权利要求5所述的一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:所述催化剂表面通过化学沉积或物理沉积有纳米贵金属,所述贵金属为Au、Pd或Pt。
7.根据权利要求1所述的一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:所述活性炭纤维层的上表面通过化学沉积或物理沉积有纳米银粒子。
8.根据权利要求1所述的一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:所述活性炭纤维层的上、下表面边缘分别通过粘合剂与所述第一中效过滤层和第二中效过滤层固定连接,所述粘合剂的粘合宽度为1cm~2cm。
9.根据权利要求1所述的一种过滤医药洁净室排风空气的中效过滤材料,其特征在于:所述第一中效过滤层和所述第二中效过滤层的边缘四周均超出所述活性炭纤维层1cm~2cm,且超出部分通过超声波焊接缝合,缝合宽度为1cm~2cm。
10.一种过滤医药洁净室排风空气的过滤器,其特征在于:其是由权利要求1-9中任一项所述的中效过滤材料制成的板式中效过滤器和袋式中效过滤器,所述中效过滤材料的所述第一中效过滤层为迎风面。
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