| After-sales Service: | Repairable Within The Warranty Period |
|---|---|
| Warranty: | 2 Years |
| Function: | Separation Pressure Vessel |
| Application: | Liquefied Gas |
| Material: | Stainless Steel |
| Pressure: | 0.1MPa≤p<1.6MPa |
| Samples: |
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| Customization: |
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Audited Supplier The process flow of falling film evaporator
parallel flow:
The flow direction of the solution and steam is the same, both flowing from the first effect to the last effect. The raw material liquid is pumped into the first effect, relying on the pressure difference between each effect to automatically flow into the next effect, and the liquid is pumped out from the final effect (usually operated under negative pressure). Due to the low pressure of the latter effect and the low boiling point of the solution, when the solution enters the former effect, it will flash some water and generate more secondary steam. Due to the higher concentration and lower operating temperature of the latter effect, the heat transfer coefficient of the first effect is often much higher than that of the final effect. The downstream process is generally suitable for handling materials that are heat sensitive at high concentrations.
Countercurrent:
The raw materials are sequentially fed into the front effect by the pump from the final effect, and the finished liquid is discharged from the first effect. The material liquid and steam flow in reverse. It is generally suitable for handling solutions with significant viscosity changes with temperature and concentration, and is not easy to handle heat sensitive materials.
Mixed flow:
It is a combination of forward and backward flow processes, with both advantages and disadvantages of forward and backward flow, but the operation is complex and requires a high degree of self-control.
Advection:
Each effect produces a finished liquid by adding materials, and each effect has crystals that can be separated in a timely manner. It is generally used for the evaporation of saturated solutions.
fair current.
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