Abstract: According to the characteristics of major accidents of hazardous chemicals, actual demands of eliminating disposal are analyzed. Functional technical indicators of chemical decontamination fire truck are compared and analyzed. The new design of chemical decontamination fire truck is put forward. Its structure, components, work flow are introduced. This chemicals decontamination fire truck can get into contaminated areas to carry out emergency intelligent elimination, integrated disposal of detection and elimination, as well as personnel assistance. The truck has the capacity of public decontamination and intelligent elimination.The equipment support for chemical decontamination in points of positive pressure protection, integration of detection and elimination, assault disposal and intelligent elimination can be provided for fire and rescue team.

Key words: firefighting, chemical decontamination, positive pressure protection, fire truck