{"id":56698,"date":"2026-08-28T09:01:46","date_gmt":"2026-08-28T01:01:46","guid":{"rendered":"https:\/\/www.aegle.com.cn\/?p=56698"},"modified":"2026-08-28T09:01:46","modified_gmt":"2026-08-28T01:01:46","slug":"news0181","status":"publish","type":"post","link":"https:\/\/www.aegle.com.cn\/en\/news\/news0181\/","title":{"rendered":"What are the misconceptions in selecting respiratory protection for confined spaces when suffocation occurs during pulping tank desilting?"},"content":{"rendered":"<p><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.aegle.com.cn\/wp-content\/uploads\/2026\/08\/1c34c756-e065-4f95-b588-7e5d62e885f0_0-1024x576.webp\" class=\"alignnone size-large\" alt=\"\u5236\u6d46\u6c60\u6e05\u6de4\u53d1\u751f\u7a92\u606f\uff0c\u53d7\u9650\u7a7a\u95f4\u547c\u5438\u9632\u62a4\u9009\u578b\u6709\u54ea\u4e9b\u8bef\u533a\uff1f\" loading=\"lazy\" \/><\/p>\n<p>Recently, an employee at a paper mill in Xinmi City, Henan Province, suffered an asphyxiation incident while cleaning a pulping tank, once again sounding the alarm for safety in confined space operations. The pulping tank of a paper mill is a typical confined space with a complex internal environment, highly prone to poisoning and asphyxiation accidents. Enterprise safety management personnel must maintain a high level of vigilance.<\/p>\n<p>In a closed state, the pulping tank has extremely poor ventilation. Organic matter deposited at the bottom decomposes in an anaerobic environment, easily releasing toxic gases such as hydrogen sulfide and consuming oxygen. If workers enter the tank without effective ventilation and testing, they are highly likely to lose consciousness due to oxygen deficiency or inhalation of toxic gases.<\/p>\n<p>The primary step in preventing such accidents is gas detection before operations. Before entering the pulping tank, the principle of ventilation first, then testing, and then operation must be strictly implemented. Use professional instruments to comprehensively measure oxygen and toxic gas concentrations, and only allow entry after all indicators meet safety standards.<\/p>\n<p>In terms of respiratory protection equipment selection, confined space operations have extremely strict requirements. If there is a risk of oxygen deficiency or toxic gas exceeding limits, ordinary filtering gas masks are completely ineffective. Isolated respiratory protection equipment, such as positive-pressure self-contained breathing apparatus, must be provided to supply an independent and safe breathing air source.<\/p>\n<p>When enterprises procure respiratory protection equipment, they need to focus on the applicable scenarios of the products. For high-risk operations such as pulping tank cleaning, professional positive-pressure self-contained breathing apparatus should be selected. This type of equipment ensures that the pressure inside the facepiece is always higher than the external environment, effectively preventing toxic gas infiltration and providing reliable protection.<\/p>\n<p>In addition to protective equipment, on-site monitoring is equally crucial. Confined space operations must arrange dedicated monitoring personnel to supervise throughout the process from outside. The monitor needs to wear necessary personal protective equipment, maintain continuous communication with internal workers, stay informed of their physical condition at all times, and is strictly prohibited from leaving their post without authorization.<\/p>\n<p>Blind rescue is the main cause of expanded casualties. Enterprises must equip the site with emergency equipment such as rescue tripods and full-body harnesses. In the event of an accident, external personnel should use the equipment to quickly rescue the victim, and it is strictly forbidden to blindly enter the tank for rescue without protective equipment.<\/p>\n<p>The asphyxiation incident during paper mill tank cleaning exposes weaknesses in confined space management. Enterprises need to build a comprehensive protection system from hazard identification, equipment selection, on-site monitoring to emergency rescue, effectively safeguarding the life safety bottom line of frontline workers.<\/p>\n<p><strong>News source:<\/strong>Safety Management Network, 2026-06-16: \"An employee at a paper mill in Xinmi City, Henan Province, suffered asphyxiation while cleaning a pulping tank...\" This article only provides PPE knowledge interpretation based on public news topics.<\/p>\n<div class=\"aegle-ai-related-products\">\n<h3>Related AEGLE Protection Categories<\/h3>\n<div class=\"aegle-ai-related-grid\"><a class=\"aegle-ai-related-card\" href=\"https:\/\/www.aegle.com.cn\/en\/products\/p604\/\" target=\"_blank\" rel=\"noopener\"><span class=\"aegle-ai-related-image\"><img decoding=\"async\" src=\"https:\/\/www.aegle.com.cn\/wp-content\/uploads\/2025\/10\/60427560-800.jpg\" alt=\"\u547c\u5438\u9632\u62a4\" loading=\"lazy\"><\/span><span class=\"aegle-ai-related-title\">Respiratory Protection<\/span><\/a><a class=\"aegle-ai-related-card\" href=\"https:\/\/www.aegle.com.cn\/en\/products\/p609\/\" target=\"_blank\" rel=\"noopener\"><span class=\"aegle-ai-related-image\"><img decoding=\"async\" src=\"https:\/\/www.aegle.com.cn\/wp-content\/uploads\/2018\/10\/60902203.jpg\" alt=\"\u5e94\u6025\u9632\u62a4\" loading=\"lazy\"><\/span><span class=\"aegle-ai-related-title\">Emergency Response<\/span><\/a><a class=\"aegle-ai-related-card\" href=\"https:\/\/www.aegle.com.cn\/en\/products\/p602\/\" target=\"_blank\" rel=\"noopener\"><span class=\"aegle-ai-related-image\"><img decoding=\"async\" src=\"https:\/\/www.aegle.com.cn\/wp-content\/uploads\/2026\/05\/03-5.webp\" alt=\"\u773c\u9762\u90e8\u9632\u62a4\" loading=\"lazy\"><\/span><span class=\"aegle-ai-related-title\">Eye and Face Protection<\/span><\/a><a class=\"aegle-ai-related-card\" href=\"https:\/\/www.aegle.com.cn\/en\/products\/p608\/\" target=\"_blank\" rel=\"noopener\"><span class=\"aegle-ai-related-image\"><img decoding=\"async\" src=\"https:\/\/www.aegle.com.cn\/wp-content\/uploads\/2018\/09\/0T8A7258.jpg\" alt=\"\u5760\u843d\u9632\u62a4\" loading=\"lazy\"><\/span><span class=\"aegle-ai-related-title\">Fall Protection<\/span><\/a><\/div>\n<p class=\"aegle-ai-related-note\">The above are PPE category entries with high relevance to the topics discussed in this article. For actual selection, please make comprehensive judgments based on specific process risks, wearing duration, and on-site management requirements.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Recently, the suffocation incident during pulp tank desilting in a paper mill has once again drawn attention to the safety of confined space operations. This article explores the gas detection requirements and scientific selection of respiratory protection equipment in confined space operations from the perspectives of risk observation and on-site management.<\/p>","protected":false},"author":0,"featured_media":56700,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[232,432,215,310,439],"class_list":["post-56698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-xinwen","tag-ehs","tag-shouxiankongjian","tag-huxifanghu","tag-anquanguanli","tag-zhixifanghu","category-30","description-off"],"_links":{"self":[{"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/posts\/56698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/comments?post=56698"}],"version-history":[{"count":2,"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/posts\/56698\/revisions"}],"predecessor-version":[{"id":56701,"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/posts\/56698\/revisions\/56701"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/media\/56700"}],"wp:attachment":[{"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/media?parent=56698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/categories?post=56698"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aegle.com.cn\/en\/wp-json\/wp\/v2\/tags?post=56698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}