title: Ð¡Ð½Ð¸Ð¶ÐµÐ½Ð¸Ðµ Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ ÑÑÐ¼Ð° Ð½Ð° ÑÐ»ÐµÑÐ°ÑÑ-ÑÐµÐ¼Ð¾Ð½ÑÐ½Ð¸ÐºÐ° Ð¿Ð¾ Ð·Ð°Ð¼ÐµÐ½Ðµ ÑÐ¸Ð»ÑÑÑÐ¾ÑÐºÐ°Ð½Ð¸ Ð² ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð¼ Ð¿ÑÐ¾ÑÐµÑÑÐµ Ð¿Ð¾Ð»ÑÑÐµÐ½Ð¸Ñ Ð°Ð¿Ð°ÑÐ¸ÑÐ¾Ð²Ð¾Ð³Ð¾ ÐºÐ¾Ð½ÑÐµÐ½ÑÑÐ°ÑÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Reducing the impact of noise on the locksmith-repairman to replace the filter cloth in the technological process of obtaining apatite concentrate
Creators: name: Ð§Ð°Ð»Ð¾Ð²ÑÐºÐ°Ñ, ÐÐºÐ°ÑÐµÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: ÑÑÐ¼
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ÑÐ»ÐµÑÐ°ÑÑ-ÑÐµÐ¼Ð¾Ð½ÑÐ½Ð¸Ðº
Ð°ÐºÑÑÑÐ¸ÑÐµÑÐºÐ°Ñ Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÑ
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Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ AutoCAD
noise
harmful or dangerous production factor
locksmith
acoustic safety
muffler
AutoCAD modeling

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description: In this work, the development of measures to reduce the noise level at the workplace of a locksmith-repairman to replace filter cloth is carried out. Tasks that were solved during the research: 1. Analysis of the economic activity of the Kirov branch of the joint-Stock company "Apatit". 2. Description of the replacement locksmith's workplace filter fabrics in the filtration and drying case. 3. Analysis of noise affecting the locksmith-repairman by filter cloth replacement and noise reduction methods. 4. Ensuring acoustic safety in the workplace a locksmith-repairman to replace filter cloth. The work was carried out based on the CF JSC Apatit in the framework of the competition " Profstazhirovki.rf 2.0". The name of the case: "Reducing the impact of harmful factors on employees of the CF JSC Apatit. When solving the case, information was provided about the workplace of a repairman, technological processes for obtaining Apatite concentrate. Based on the results of production control and a special assessment of working conditions, the noise source â the VDN-17 fan-was determined. The analysis of Russian and foreign research in the field of the negative impact of noise on the human body and methods of combating industrial noise As a result, recommendations were developed to reduce the negative impact of noise on the locksmith-repairman to replace filter cloth. The paper calculates the size, cost of materials and acoustic efficiency of the silencer for this fan. The graphic part is made using graphic editor AutoCAD 19.