Knowledge Of Plate heat exchange

           The emergence of welded plate heat exchanger provides a new option for users of traditional tubular heat exchangers, whose biggest advantage is to have a high heat exchange efficiency of plate heat exchanger and high temperature and pressure resistance of tube heat exchanger. Compared with the tube heat exchanger, welded plate heat exchanger can provide users with more economical and more space-saving products.           Hofmann’s welding plate heat exchanger products uses similar corrugated plate structure of plate heat exchanger, at the same time uses more advanced metal welding process sealing, non-rubber gasket design, a variety of metals and alloys, which make the product suitable from -50 ℃ to 500 ℃, up to 4.0MPa working pressure of most heat transfer conditions. It can be applied to liquid, gas, steam and two-phase mixed fluids, including highly corrosive media, organic solvents, and conditions ...

Hofmann Plate Heat Exchanger How does plate heat exchanger in the application maintain anti-corrosion? After knowing the reasons for a variety of corrosion of the heat exchanger, it is necessary to choose reasonable anti-corrosion measures in order to achieve the purpose of efficient use of equipment. To the corrosion of the situation, there is an anti-corrosion method. Here mainly introduced corrosion inhibitor, electrochemical protection. 1. Corrosion inhibitor Corrosion inhibitors with chromate as the main ingredient are commonly used in cooling systems. Chromic acid is an anodic (process) inhibitor, which, when combined with a suitable cathodic inhibitor, has satisfactory and economical anti-corrosion effect. Chromate – Zinc - Polyphosphate: Polyphosphates is used because it has the effect of cleaning metal, has the ability to inhibit corrosion. They can be partially converted to orthophosphate; can also produce large colloidal cations with calcium to inhibit ...

Hofmann During the process, there are some safety considerations you should notice: 1. Design specifications. The design specifications of heat exchangers include the types of working fluid and flow, import and export temperature, working pressure and heat exchanger efficiency. Aerospace heat exchangers should also include permissible pressure drop, size and quality. 2. Overall arrangement. First you should choose the type and structure of heat exchangers, the form of fluid flow and the materials, and then choose the type of heat surface, to consider the operating temperature and pressure, etc. 3. Heat design. The thermal design of the heat exchanger includes heat transfer calculation, flow calculation and determination of size. In addition to technical performance indicators, thermal design also need heat transfer characteristics (including heat transfer characteristics, flow characteristics and structural parameters) and fluid and material thermal activity p...