Preparation device and method of spray type self-repairing microcapsule

The invention discloses a preparation device and method of a spray type self-repairing microcapsule, and belongs to the technical field of microcapsule preparation, the device mainly comprises a pressure generating device, an oil-in-water emulsion storage bottle, a pressure pipeline, a spray nozzle, a reaction bottle, a stirring device, a microcapsule conveying pipeline and a filter bottle; the pressure generating device is connected above the reaction bottle through a pressure pipeline, a spray nozzle is arranged at a pipe orifice of the pressure pipeline and is aligned with the reaction bottle, and the oil-in-water emulsion storage bottle is connected to the pressure pipeline through a pipeline; the stirring device 7 is arranged in the reaction bottle; the bottom of the reaction bottle is communicated with a filter bottle through a microcapsule conveying pipeline, microcapsules obtained in the reaction bottle after the reaction is finished are conveyed to the upper part of the filter bottle through a pipeli