The Dazhang brand candle-type filter is a fully enclosed filtration system. Its main components include the material tank, gas storage tank, filtration pump, candle-type filter, pipelines, valves, PLC electrical control, etc. The filtration process of this system is completely sealed, with no leakage and no environmental pollution. It can achieve one-time full-process automatic filtration, including filter cake washing, drying, and also adopts processes such as gas reverse blowing for slag discharge. The entire process is fast, pollution-free and can achieve maximum efficiency. It is widely applied in: the food industry (fruit and grape sugar saccharification solution, wine, edible oil filtration, etc.), the pharmaceutical industry (biotechnology, biopharmaceutical industry filtration, etc.), and the chemical industry (waste plastics, waste tires, oil refining, titanium dioxide powder, black carbon powder, etc.)