Catalyst wear index evaluation equipment

The utility model provides catalyst wear index evaluation equipment which comprises the components of a gas flow control device which is provided with an inlet for introducing gas from a gas source and an outlet for discharging the gas; the abrasion pipe is used for carrying out abrasion operation on the catalyst sample, the abrasion pipe is provided with a first end and a second end which are oppositely arranged, and an outlet of the gas flow control device communicates with the first end of the abrasion pipe; the settling chamber is provided with a first end and a second end which are oppositely arranged, and the first end of the settling chamber communicates with the second end of the abrasion pipe; the collector is communicated with the second end of the settling chamber so as to collect fine powder separated from the settling chamber; the gas flow control device comprises an electric proportional valve, a pressure sensor and a control circuit; the pressure sensor detects the pressure change of the gas su