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Multi-effect falling film evaporator _ falling film enrichment

Country/Region china
Company Changzhou Shaw drying Engineering Co., Ltd
Categories Falling Film Evaporator
Telephone 0519-85783668
ICP License Issued by the Chinese Ministry
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    Multi-effect falling film evaporator _ falling film enrichment

    Multi-effect falling film evaporator _ falling film enrichment


    The working principle of multi-effect falling film evaporator
    Falling film evaporation is the material liquid from falling film evaporator tube box on the heating chamber, the liquid distribution and film forming device, even within the assigned to each heat exchange tube, and uniform along the inner wall of the heat exchange tube membrane. In the process of flow, by shell heating medium heating evaporation process, the separation of the steam produced from the liquid into the evaporator chamber, the vapour liquid after the separation, the steam entering the condenser condensate (single-effect operation) or into the next effect evaporator as a heating medium, so as to realize multiple effect, liquid discharge by the separation chamber.
    The process flow falling film evaporator
    Process with downstream (and flow), reverse flow, mixed flow (flow) wrong advection four forms:
    Downstream: solution and steam flow to the same, are made a work flow to work at the end of the sequence. Raw material liquid pump into a effect, relying on the effect, the pressure difference between automatically into the next work, completed at the end of the liquid from the effect (usually under the negative pressure operation) with pumps. After due to the effect of the pressure is low, the boiling point of solution is also low, the solution will flash once effect after entering a valid part of the water, the second or more steam, and due to the concentration of the aftereffect from the previous high effect, low operation temperature, often the first effect of the heat transfer coefficient is higher than at the end of the effect a lot. Downstream processes generally suitable for processing in the case of high concentration for heat-sensitive materials.
    Countercurrent: raw materials by the pump from effect in turn into effect before, at the end of the completion fluid by a discharge, feed liquid and steam reverse flow. Generally suitable for processing large viscosity change with temperature and the concentration of solution, not easy to deal with heat sensitive material.
    Mixed flow: is the combination of suitable countercurrent process, the advantages of both along the upstream avoid its shortcomings, but complicated to operate, and requires high self-control.
    Advection, every effect is charging a completion fluid, the effect has crystallization precipitation, can timely fractional crystallization, is commonly used in the evaporation of the saturated solution.
    Multi-effect falling film evaporator on the principle of falling film evaporation type heat the dilute solution boiling them part of moisture evaporation and achieve the goal of concentrated solution. The entire unit is continuous production process.
    Multi-effect falling film evaporator is widely used in glucose, starch sugar, oligosaccharides, malt sugar, sorbitol, fresh milk, fruit juice, vitamin C, maltodextrin, etc. The concentration of aqueous solution. And can be applied to the monosodium glutamate, the treatment of waste liquid alcohol, fish meal, etc.
    The equipment for continuous operation under the condition of vacuum low temperature, high evaporation capacity, saving energy and reducing consumption, low operation cost, materials can be dealt with the most earth to keep the original color, aroma, taste and ingredients. In food, medicine, food processing, beverage, light industry, environmental protection, chemical industry and many other industries are widely used.
    TNJM03 type evaporator series (three-way) falling film evaporator can be handled according to the different material to the characteristics of the design into different technological process, also can be equipped with automatic control system according to the different requirements of customers.
    Has a large enrichment ratio (1/5-1/5), viscosity range (< 400 cp), the heat transfer effect is good, the advantages of large quantity, suitable for heat-sensitive, concentration is higher, larger viscosity and corrosive materials evaporation, suitable for corn starch industry pulp and table malt sugar juice, fruit juice and food industry taste semen, liquid cream of dairy industry, sugar juice sugar business worse filtrate concentration of alcohol and alcohol industry.
    There are multiple effect upstream and downstream, falling film evaporator series equipment, corn starch, sugar juice fermentation, juice, beverage industry, liquid cream, wine, pharmaceutical industry, fermentation filtrate material liquid, high concentration organic or chemical waste water evaporation and concentration of the special equipment.
    Energy saving, short heating time, apply to the evaporation of high viscosity material, the enrichment and enr

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