Preparation process and preparation equipment of water-based varnish

The invention relates to the technical field of water-based paint preparation, in particular to a preparation technology and preparation equipment of water-based varnish. The preparation technology comprises a reaction kettle and a filter, the reaction kettle and the filter are connected through a pipeline with a valve, and a cleaning mechanism for cleaning the reaction kettle is arranged at the top of the reaction kettle; the cleaning mechanism comprises a water tank fixedly arranged on the outer wall of the reaction kettle, a water pump is installed on the rear wall of the exterior of the water tank, the water tank is connected with a telescopic water pipe through the water pump, and a first air cylinder is fixedly installed at the top of the water tank. And when the baffle rotates, the piston slides in the arc-shaped cavity through the arc-shaped rod, when the piston moves, air in the arc-shaped cavity is extruded, the air enters the air bag through the air nozzle and the air pipe, the air bag is inflated