Cleaning and filtering device

The utility model discloses a cleaning and filtering device which comprises a cleaning and filtering mechanism, and the cleaning and filtering mechanism comprises a first tank body, a second tank body, a first three-way valve and a second three-way valve. A first air inlet is formed in the upper end of the first tank body; a second air inlet is formed in the upper end of the second tank body; three connecting ends of the first three-way valve are respectively communicated with the upper part of the first tank body, the lower part of the first tank body and an inlet of equipment to be cleaned; and three connecting ends of the second three-way valve are respectively communicated with the upper part of the second tank body, the lower part of the second tank body and an outlet of the equipment to be cleaned. High-pressure gas is introduced into the first gas inlet and the second gas inlet to achieve high-pressure flushing, the cleaning solvent is arranged in the first tank body or the second tank body, and equipm