GB 2890《呼吸防护自吸过滤式防毒面具》新旧标准差异分析

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【摘要】本文以国家标准《呼吸防护自吸过滤式防毒面具》为研究对象,对新旧标准的内容条款进行详细对比,结合当前行业发展现状,分析了新版标准制定的依据和意义,同时提出了推动新版标准实施的建议,以期为相关机构理解和应用新版标准提供参考。

【关键词】自吸过滤式防毒面具;标准;差异分析;国家标准

【DOI编码】10.3969/j.issn.1674-4977.2024.04.013

Analysis of Differences Between Old and New Standards of GB 2890 Respiratory protection—Non-powered air-purifying respirators

YI Changsong, WANG Chuannan, YU Yujian, XU Zhen, JIN Jiahui, ZHU Peiwu

(China Jiliang University, Hangzhou 310018, China)

Abstract: This article takes the national standard Respiratory protection—Non-powered air-purifying respirators as the research object, compares the content clauses of the new and old standards in detail, analyzes the basis and significance of developing the new standard in combination with the current industry development status, and puts forward suggestions to promote the implementation of the new standard, in order to provide reference for relevant institutions to understand and apply the new standard.

Keywords: non-powered air-purifying respirator; standard; differential analysis; national standard

0引言

自吸过滤式防毒面具通过与面部紧密贴合,使佩戴者的眼睛、鼻子、嘴巴、面部与周围染毒环境隔离,同时依靠过滤件(滤毒罐/盒)中吸附剂的吸附、吸收、催化作用,以及过滤层的过滤作用将外界染毒空气净化,为佩戴者提供洁净空气[1]。(剩余3655字)

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