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Shanghai Yuyan Machinery Equipment Co., Ltd
Stainless steel falling film evaporator for falling film concentration unit
NegotiableUpdate on 05/24
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Overview
The stainless steel falling film evaporator of the falling film concentration unit utilizes the difference in molecular weight between the active ingredients and the liquid to achieve directional separation and concentration. Compared to traditional heating concentration, it has the advantages of low energy consumption, being carried out at room temperature, and having minimal impact on the product. Ultrafiltration has become an efficient process for purifying and concentrating proteins and enzymes. The advantages of ultrafiltration concentration are no phase change, generally no need for heating, simplified process, wide pH range, and prevention of deactivation, making it very suitable for the separation and concentration of thermosensitive substances.
Product Details
Stainless steel falling film evaporator for falling film concentration unit Stainless steel multifunctional falling film evaporators are widely used for the evaporation and concentration of water or organic solvent solutions in industries such as medicine, food, chemical, and light industry, and can also be widely used for waste liquid treatment in these industries. Especially suitable for thermosensitive materials, this equipment operates continuously under vacuum and low temperature conditions, with high evaporation capacity, energy saving and consumption reduction, low operating costs, and can ensure the invariance of materials during the evaporation process.
Falling film concentration is the process of adding the feed liquid from the heating chamber of the falling film concentrator into the tube box, and then evenly distributing it through the liquid distribution and film-forming device into each heat exchange tube falling film concentrator. Under the influence of gravity, vacuum induction, and airflow, it flows in a uniform film shape from top to bottom. During the flow process, the steam generated by the shell side heating medium vaporizes and enters the separation chamber of the evaporator together with the liquid phase. The steam and liquid are fully separated, and the steam enters the condenser for condensation (single effect operation) or enters the next effect evaporator as the heating medium, thus achieving multi effect operation. The liquid phase is discharged from the separation chamber.
Stainless steel falling film evaporator for falling film concentration unit The main body consists of I, II, and III effect heaters, separators, heat pumps, condensers, sterilizers, insulation pipes, material pumps, water pumps, and instrument cabinets. This equipment is made of high-quality stainless steel for all contact with materials.
Main Features
The heating system of this system is uniformly heated by steam and evaporated by liquid film flow, so it has the characteristics of high heat transfer efficiency and short heating time.
2. The system is equipped with a hot press pump, and some of the secondary steam is re sucked into the shell side of the first effect evaporator through the hot press pump, fully utilizing the heat and having the characteristics of low steam consumption and low cooling water circulation. At the same time, due to the steam passing through the hot press pump entering the heating shell in the form of spray mist, the steam rapidly diffuses and the heating of the material liquid is mild, making it suitable for the concentration of heat sensitive materials.
3. The material accelerates and flows downwards along the inner wall of the heating tube under pressure, and evaporates to adapt to the evaporation and concentration of high viscosity liquid materials. The heating time of the liquid is very short, so it is particularly suitable for evaporation and concentration of food, which greatly preserves the nutritional content of the food.
4. Spray feed at the top of the evaporator to ensure that the liquid is evenly distributed in the evaporator membrane tube, forming a film shape, greatly improving the heat transfer coefficient, increasing the evaporation rate, and preventing the "dry wall" phenomenon.
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