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| DISCUSSING ON PROBLEM OF ESSENCE SAFETY SYSTEM DESIGN |
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Received:December 23, 2005
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| DOI： |
| KeyWord:the essence safety system; safety bar; storage element ; field instrument ; cable |
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| Abstract: |
| In industrial production,the flammability gas,steam and fine dust from some place are given out.When it mixes with air up to a certainty concentration,and falls across the fire flake,it would explode.It harms to the county and the people's life or worth.According to the principle of the essence safety avoid explode,discussed several problems should be pay attention to the design of automation instrument.Mainly include how to choice the field instrument,how to choice the essence safety system cable and how to consider the limit of the cables length,etc. |
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