Lithium hydroxide single-effect evaporation crystallization system
Single-effect evaporation is a kind of evaporation operation. It is characteriazd in that the generated secondary steam is not used for future evaporation of materials, but evaporation of a single device. For single-effect evaporation, it is usually necessary to calculate water evaporation, heating steaming consumption and heat transfer area of evaporator after given prodution tasks and determined operating conditions.
Lithium hydroxide is an inorganic substance, thechemical formul is LiOH. It is white monoclinic fine crystal, spicy, strongly alkaline and corrosive. The Ph of 1mol/L solution is about 14, and the PKB is -0.04, It can absorb carbon dioxide and water in the air ,soluble in water, slightly soluble in ethanol and insoluble in ether, The relative density is 1.45, the melting point is 471℃, and it decomposes at 925℃.
Performance Comparison for Different Evaporator
|Item||Single effect evaporator||multi-effect evaporator||TVR evaporator||MVR evaporator|
|Energy consumption||energy consumption is much higher than others, 1ton water will consume 1Ton steam in theory||comparatively energy conservation||Base on traditional multi-effect evaporator, one more effect added, but higher pressure steam driven needed||The most energy saving technology for evaporator, but 10-40kwh power consumption|
|Energy sources||steam & power, need steam pipe network and boiler||steam & power, need steam pipe network and boiler||steam & power, need steam pipe network and boiler, need high pressure steam.||electricity, don't need pipe network, all the close-loop circulation system|
|Automaticity||Semi automatic||Full automatic operation, continuous evaporation||Full automatic operation, continuous evaporation||Full automatic operation, continuous evaporation
The liquid material inside the evaporator heated by steam for evaporation. Choose different type evaporator according to different liquid material features.
use to separate vapor and liquid, according to different liquid features choose different type separator(crystallizer), such as normal separator, gravity separator, special design separator (crystallizer ).
Use to keep the whole system vacuum degree, pump some air, fixed gas, liquid entrainment of gas from the evaporator, so as to obtain the whole system stable evaporation process.
Use to transfer liquid and concentrated liquid. According to different liquid features choose different pumps, such as centrifugal pump, displacement pump,screw pump.
MVR Evaporation system control center, by regular motor speed, control valve,flow meter, temperature and pressure, to realize automatic evaporation, cleaning, stop operations and so on. Automatic alarm, automatic protection system is not damaged, keep dynamic balance.
Different liquid after period of evaporator, there maybe scaling phenomenon, general speaking, 99% of the scale can be removed by adding chemical solvent, and can use CIP clean in situ or disassemble to clean.
Scope of application:
Mechanical vapor compression(MVR) evaporator, suitable for milk, glucose, organic acid, VC, xylose, pharmaceutical, chemical and biological engineering, environmental engineering, waste recycling, paper making, salt industry for low temperature concentration.
On site Picture
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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