What is the treatment method of kitchen fume in hotel?

Hotel lampblack treatment method: declare local environmental protection after installing lampblack purification device (high pressure, filter screen, etc.). )! 1. Install a water pipe on the smoke collecting hood, drill a 2mm dense hole on the water pipe (spray upward), and the water will flow along the smoke collecting hood to the water collecting tray, and then return to the water collecting basin. Make a square at the outlet of the smoke collection hood, with a mesh plate and a water mist nozzle inside, and you can also filter the oil fume with water.