Aiming at the problems of single and uncertain evaluation results in chemical produc-tion risk assessment methods,a chemical risk assessment method based on interval type Ⅱ fuzzy cloud model is proposed.The subjective weight is calculated by interval type Ⅱ fuzzy AHP method,the objec-tive weight is obtained by entropy weight method,and the comprehensive weight is determined by coop-erative game method.A subjective weight calculation method based on interval type Ⅱ fuzzy AHP is proposed.The fuzzy comprehensive evaluation model of chemical risk is established.The risk assess-ment of cyclohexane production process is carried out by using this method,and the safety evaluation re-sults show that the model can evaluate the safety level of chemical production process more reliably and reasonably.
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