Column type diatomite filter machine includes diatomite mix tank, diatomite provide pump and the automatic control system. The filter machine can make an filtration in beer, yellow wine, beverage, syrup, pharmaceutical and chemical industries.Preparation of CO2 pressure-Fill water-Exhaust-Pre-coated diatomite 1-3.5mm thick -Pre-coated diatomite 400-500g/m2→Pump wine diatomite mixture 80-300g/100L-circulate→filter produce→Maintain the pressure in 0.02-0.04MPa/h→finish→prepare beer→discharge diatomite→cleanout→renew diatomite