Laboratory catalytic cracking reactor

The invention relates to a laboratory catalytic cracking reactor which comprises a top sealing structure, a reactor body, a product outlet pipe, a filter pipe, a top fluidization pipe, a catalyst loading and unloading port, a raw material injection pipe and a distribution plate. The reactor body comprises a settling section, a reaction section and a pre-distribution section; the distribution plate is positioned at the joint of the pre-distribution section and the reaction section; the raw material injection pipe enters the reaction section from the top sealing structure along the central axis; the top fluidization pipe penetrates through the inside of the raw material injection pipe, penetrates through the distribution plate, is fixed under the action of a positioner at the lower part of the top fluidization pipe, and enters the pre-distribution section; the catalyst loading and unloading port is positioned on the side wall of the settling section. The laboratory catalytic cracking reactor has the characteris