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蒸发器与结晶器

工艺中具有以下要求时需要蒸发和结晶设备:必须除去水或任何其他溶剂、必须提高浓度或减少体积、必须生产宝贵和提纯的晶体、必须剥离或沉淀副产品或杂质。为了满足客户的密度、纯度、粒度、操作时间要求,同时尽量减少投资和运行成本,GEA 技术娴熟的过程工程师采用全套适用技术来设计蒸发和结晶设备。为了实现高质量标准,可应用再结晶来提高最终产品的纯度。GEA 在构建连续蒸发和结晶设备方面的丰富经验对于满足客户需求是必不可少的。

Evaporation plant for pet food ingredients

Evaporation is a process that removes water or moisture content from a liquid stream to increase the solids content of a solution or final product. Various technologies are used in a variety of food, drink and dairy applications, as well as the industrial preparation of pet foods.

GEA Evaporator

Certain ingredients and additives are used to preserve the flavor or enhance the taste or appearance of pet foods and increase their nutritional content or stability. Ineffective evaporation during processing can result in increased viscosity and product instability, which may make drying more difficult or even damage the finished product. Evaporation provides an energy efficient, optimal dewatering step for the preparation of purified ingredients and makes subsequent spray drying more economical.

The best evaporator for your product will depend on the required concentration ratio, the evaporation rate, the viscosity, the type of heating or heat recovery system and fouling characteristics of the application. Falling film evaporators are typically used for low viscosity products with a moderate tendency to foul. Forced circulation evaporators can be used for higher concentration ranges and can handle much higher viscosities or fouling.

GEA’s falling film evaporation plants are highly energy efficient and an excellent choice for temperature-sensitive products. Offering flexible operation methods, gentle evaporation — mostly under vacuum — and extremely short residence times, high product quality is guaranteed. 

Depending on specific requirements, the evaporation plants can be heated by thermal or mechanical vapor recompression with live steam or dryer vapors. For gelatin and protein hydrolysates, for example, we also supply combined sterilization and evaporation units.

Dedicated to the development and evaluation of process innovations, including evaporation technologies, GEA plant and our global R&D centers work tirelessly to exploit our equipment and process expertise to design the optimum evaporation system for each food ingredient product or production process.

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