DSS2205 Tube Falling Film Evaporator Used For NaCl Evaporation and Crystallation
Falling film evaporation means that the feed liquid is added from the upper tube box of the heating chamber of the falling film evaporator, evenly distributed into each heat exchange tube through the liquid distribution and film forming device, and flows in a uniform film from top to bottom under the action of gravity and vacuum induction and airflow. In the process of flowing, it is heated and vaporized by the shell-side heating medium, and the generated steam and liquid phase enter the separation chamber of the evaporator together. After full separation of the steam and liquid, the steam enters the condenser for condensation (single-effect operation) or enters the next-effect evaporator as the heating medium, thus realizing multi-effect operation, and the liquid phase is discharged from the separation chamber
1) The feed liquid of the falling film evaporator is added from the top of the evaporator, and falls along the tube wall in a film shape under the action of gravity, and in this process, it is evaporated and concentrated to obtain concentrated solution at the bottom. Falling film evaporator can evaporate materials with high concentration and viscosity.
2) Because the solution flows in a film shape in the one-way evaporator, the heat transfer coefficient is high.
3) The residence time is short, which is not easy to cause deterioration of materials, and it is suitable for treating heat-sensitive materials.
4) The liquid retention is small, and the falling film vaporizer can operate quickly according to the changes of energy supply, vacuum degree, feed rate and concentration. Near constant,
5) Because the process fluid only flows under the action of gravity, instead of being driven by high temperature difference, low temperature difference evaporation can be used.
Part of Reference List
|1||Xinhua PHARMACEUTICAL Shouguang Co., Ltd||Ammouium Sulfate MVR Concentration||17t/hr||1|
|2||Jiangxi Tonghe Pharmaceutical Co., Ltd||Sodium Chloride MVR Evaporation Crystallization||5t/hr||1|
|3||Jiangsu Changqing agrochemical Co., Ltd||Sodium Chloride MVR Evaporation Crystallization||10t/hr||1|
|4||Shijiazhuang Haili Fine Chemical Co., Ltd||Sodium Chloride MVR Evaporation Crystallization||2t/hr||1|
|5||Suzhou Keda environmental protection engineering Co., Ltd||Sodium Chloride MVR Evaporation Crystallization||1t/hr||1|
|6||Shijiazhuang hejia health care products Co., Ltd||Sodium Chloride MVR Evaporation Crystallization||10t/hr||1|
|7||Hubei taisheng chemical Co., Ltd||Disodium hydrogen Phosphate MVR Evaporation Crystallization||7t/hr||1|
|8||He'nan Xintiandi Pharmaceutical Co., Ltd||Ammonium chloride MVR Evaporation crystallization||5t/hr||1|
|9||Taixing Jinyun dyestuff Co., Ltd||Dye MVR Concentration||3t/hr||1|
|10||Changhuasheng(Taixing)Lithium Battery Material Co., Ltd||Sodium Chloride MVR Evaporation Crystallization||5t/hr||1|
|11||Jiujiang fuda industry Co., Ltd||Ammonium Sulfate Evaporation Crystallization||28t/hr||1|
|12||Zhejiang Jinke Peroxide Co., Ltd||Saline-alkali Evaporation crystallization||10t/hr||1|
|13||LLC TD HALMEK||Lithium hydroxide single effect crystallization system||4t/hr||1|
|14||Zhejiang xinhecheng special material Co., Ltd||Sodium chloride + sodium acetate evaporation crystallization||6t/hr||2|
|15||Jiangxi Brother Medicine Co., Ltd||Nicotinic acid three-effect evaporation concentration||9t/hr||1|
|16||Zhejiang Gramineae Technology Co., Ltd||Sodium chloride evaporation crystallization||3t/hr||1
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