GB 2890《呼吸防護(hù)自吸過(guò)濾式防毒面具》新舊標(biāo)準(zhǔn)差異分析

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【摘要】本文以國(guó)家標(biāo)準(zhǔn)《呼吸防護(hù)自吸過(guò)濾式防毒面具》為研究對(duì)象,對(duì)新舊標(biāo)準(zhǔn)的內(nèi)容條款進(jìn)行詳細(xì)對(duì)比,結(jié)合當(dāng)前行業(yè)發(fā)展現(xiàn)狀,分析了新版標(biāo)準(zhǔn)制定的依據(jù)和意義,同時(shí)提出了推動(dòng)新版標(biāo)準(zhǔn)實(shí)施的建議,以期為相關(guān)機(jī)構(gòu)理解和應(yīng)用新版標(biāo)準(zhǔn)提供參考。
【關(guān)鍵詞】自吸過(guò)濾式防毒面具;標(biāo)準(zhǔn);差異分析;國(guó)家標(biāo)準(zhǔn)
【DOI編碼】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
自吸過(guò)濾式防毒面具通過(guò)與面部緊密貼合,使佩戴者的眼睛、鼻子、嘴巴、面部與周?chē)径经h(huán)境隔離,同時(shí)依靠過(guò)濾件(濾毒罐/盒)中吸附劑的吸附、吸收、催化作用,以及過(guò)濾層的過(guò)濾作用將外界染毒空氣凈化,為佩戴者提供潔凈空氣[1]。(剩余3655字)