1. When the plate heat exchanger is stopped in winter, the medium inside the equipment shall be discharged to prevent freezing of the equipment. Other anti-freezing measures may also be adopted.
2, the aging gasket should be replaced. When the plate and the sealing gasket fall off, the adhesive in the plate sealing groove shall be washed with thinner. After cleaning, the adhesive shall be coated in the sealing groove with suitable adhesive, and the adhesive shall be firmly bonded again.