Plate heat exchanger has certain requirements when used to be on the use of a better, it needs to control water quality, Let’s introduce the requirements of water quality of plate heat exchanger.

1.      to the state of ions or molecules dissolved in the impurities in the water hazard environment. There are a lot of calcium salt in the water is the main components of plate heat exchanger fouling. The salt is a germplasm hard, crystallization fine scale, loose structure, adhesion, is a relatively loose sludge, sharing out the liquid from the water.

2.      the dissolved oxygen gas hazards. There are many reasons for the corrosion to occur in the plate heat exchanger, but corrosion is most serious, the fastest, or oxygen. When certain parts of the centralization and metal surface corrosion, became local corrosion. Local corrosion speed is quick, easy to wear, rust corrosion pit is the local corrosion of plate heat exchanger.

3.      exist in colloidal state of impurities on the dangers of plate heat exchanger. The existence of the colloid is mainly iron compounds, microbe, dirt, scale, etc. it is more important that heat exchanger fluid water quality requirements in the operation and management, it should attach importance to it with some necessary anticorrosive equipment, extending the service life of the equipment (for example, adding a quick dirt separator, sewage interception, etc.) .This is the basic water quality requirement of plate heat exchanger. we need to be careful to all equipment used in maintenance and maintenance, so that its service life is extended.