What are the design characteristics of a plate heat exchanger?
Release time:
2021-12-31 14:12
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What are the design characteristics of a plate heat exchanger?
1. Energy saving: The heat transfer coefficient of 3000 ~ 4500 KCAL/M2H is 3~5 times higher than that of a shell and tube heat exchanger.
2. Compact structure: The plates of the plate heat exchanger are arranged closely, and compared with other types of heat exchangers, the plate heat exchanger occupies less space and smaller footprint; the plate heat exchanger with the same area is only one fifth of the tube heat exchanger.
3. Easy to clean and disassemble. The plate heat exchanger is fixed with fixed bolts to clamp the plates, which is convenient to disassemble and can be opened for cleaning at any time. At the same time, the plate surface is clean, the turbulence is high, so it is not easy to get dirty.
4. Long lifespan: The plate heat exchanger is pressed down by stainless steel or titanium plates, which can withstand various corrosive media, and the pads can be freely replaced, making disassembly and maintenance convenient.
5. Strong adaptability: The plate type is an independent component, which can be increased or decreased according to needs, with diverse forms. It can be applied to various process requirements.
6. When the liquid does not flow, the plate heat exchanger is installed with a sealed tank and a discharge channel, and various media do not communicate with each other. Even if leakage occurs, the media will always be discharged outwards.
What are the application fields of plate heat exchangers?
Plate heat exchangers are widely used in metallurgy, mining, petroleum, chemical, power, medicine, food, chemical fiber, papermaking, textile, shipbuilding, heating and other fields, and can be used in heating, cooling, evaporation, condensation, sterilization, disinfection, and waste heat recovery.
Plate heat exchangers in solar energy utilization: Participating in the heat exchange process of antifreeze heat transfer media such as ethylene glycol in solar panels to achieve the purpose of utilizing solar energy.
Chemical industry: Titanium dioxide production, alcohol fermentation, ammonia synthesis, resin synthesis, rubber manufacturing, phosphoric acid cooling, formaldehyde cooling, alkali carbon industry, electrolytic alkali.
Iron and steel industry: Cooling kerosene, cooling electroplating liquid, cooling reducer lubricating oil, cold rolling mill, traction machine coolant.
Metallurgy: Heating and cooling of aluminate mother liquor, sodium aluminate cooling, aluminum rolling mill lubricating oil cooling.
Mechanical manufacturing industry: Cooling of various quenching liquids, cooling presses, industrial mosquito lubricating oil, heating engine oil.
Food industry: Sterilization, cooling of salt, dairy products, soy sauce, vinegar, heating and cooling of animal and vegetable oils, heating and cooling of beer and wort in beer production, concentration, sterilization, cooling of sugar and gelatin, and production of sodium glutamate.
Textile industry: Waste liquid heat recovery, cooling of boiling phosphorylated fibers, cooling of adhesives, cooling of acetic acid and caprylic acid, cooling of alkaline solutions, heating and cooling of viscose.
Papermaking industry: Black liquor cooling, heating and cooling of bleaching salt and alkali solution, waste liquid heat recovery of glassine, heating evaporation, cooling of sodium hydroxide aqueous solution, waste liquid recovery of bleached paper, condensation of waste gas, preheating of concentrated pulp and other waste liquids.
Central heating: Heating the waste heat area of thermal power plants, heating domestic water, heating the boiler area.
Fat industry: Heating and cooling synthetic detergents, heating whale oil, cooling vegetable oil, cooling sodium hydroxide, cooling glycerin, emulsified oil. Power industry: Generator shaft pump cooling, transformer oil cooling.
Ships: Diesel engines, coolers, cargo water coolers, piston coolers, lubricating oil coolers, preheaters, seawater desalination systems (including multi-stage and single-stage).
Marine aquaculture seedlings: The boiler-equipped heating and seedling seawater has saved the use of coal, and improved efficiency through energy saving and environmental protection.
Others: Medicine, petroleum, ceramics, glass, cement, geothermal utilization, etc.
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