tailieunhanh - Dust Explosions in the Process Industries Second Edition phần 3

trường (1987) , Swift (1987, 1987A) và Bartknecht (1988). Những cuốn sách được đề cập trong Mục cũng chứa thông tin có giá trị. Bảng 1,9 cung cấp cho một cái nhìn tổng quan về các phương tiện khác nhau mà hiện nay được biết đến và sử dụng. Chúng có thể được chia thành hai nhóm chính, cụ thể là phương tiện để ngăn chặn các vụ nổ và phương tiện để giảm thiểu của họ. | Dust explosions an overview 123 Top management responsibility. Safety statement explicit commitment from top management . Objectives and goals specification of long and short term expectations . Stated standards written guidelines and rules . Safety committees a dedicated organization for handling safety issues at all levels . Safety audits regular re-examination of work practices . Accident records written analyses of accidents. Why did they happen How can similar future accidents be prevented . Safety personnel qualified specialists essential as advisers but responsibility remains with top management . Motivation by information and involvement etc. . Training a continual process courses essential the message must get through . Verhaegen emphasized the problem that a good safety organization is in reality often kept active by one or two dedicated individuals. If they change position within the company or even leave the safety organization may suffer. Management should foresee this problem and provide a workable solution. Burkhardt 1989 gave an informative more theoretical psychological analysis of the role of human factors in accident prevention in general. Atkinson 1988 and Proctor 1988 discussed various aspects of the training of safety personnel. SELECTING APPROPRIATE MEANS FOR PREVENTING AND MITIGATING DUST EXPLOSIONS BASIC PHILOSOPHY COST ESTIMATION AND RISK ANALYSIS The optimal solution or striking the balance The extensive menu of means of preventing and mitigating dust explosions summarized in Table has been discussed in Section . Noha 1989 emphasized that the concepts of primary and secondary means of protection against dust explosions used in F. R. Germany in the past can be misleading by indicating that mitigation is of secondary importance as compared to prevention. The rational approach is to seek an optimal combination of means of both categories for each specific application. In doing so Noha suggested the need for breaking

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