Multiple effect vacuum evaporator syrup evaporator for sugar concentration in sugar industry
Introduction
Mechanical vapor recompression (MVR) evaporator uses two steam generated in the evaporator, the compressor, pressure, temperature, enthalpy increase, and then sent to the heating chamber of the evaporator as heating steam, feed liquid to maintain the boiling state, and heating steam is condensed into water. In this way, the original steam abandoned has been fully utilized, the latent heat recovery, and improve the thermal efficiency and economy of steam is equivalent to 30 effect evaporation, reducing the external heating and cooling resource demand, reduce energy consumption, reduce pollution.
Structure
Multiple-effect falling film evaporator consists of (first-effect, second-effect, third-effect)separators and evaporators and pre-heaters,condenser and vacuum pump, feeding pump,circulation pump, discharge pump, condensed water pump, pipeline and fittings, etc. It is equipped with vacuum gauge, thermometer,pressure gauge,and so on.
Characteristic
1, Low energy consumption,low operation cost
2, Small space occupation
3, Require fewer public utilities and less total investment
4, Stable operation and high degree of automation
5, Require no primary steam
6, Short retention time due to frequently used single effect
7, Simple process,high practicability,and excellent service performance at some loads
8, Low operation costs
9, Capable of evaporating at and below 40 celsius without any refrigerating plant and therefore particulary suitable for heat sensitive materials.
Usage
Mechanical vapor recompression (MVR) evaporator, suitable for low temperature concentration in milk, glucose, organic acid, VC, xylose, pharmaceutical, chemical, biological engineering, environmental engineering, waste recycling, papermaking, salt and other industries.
Typical three effect falling film evaporator specifications and technical parameters:
|
Parameter/ Specifications |
HP-3.0 | HP-4.5 | HP-6.0 | HP-9.0 | HP-12.0 | HP-15 | HP-20 | HP-24 | HP-30 | HP-50 | |
|
Evaporation capacity(kg/hr) |
3000 | 4500 | 6000 | 9000 | 12000 | 15000 | 20000 | 24000 | 30000 | 50000 | |
|
Consumption of raw steam(kg/hr) |
900 | 1350 | 1800 | 2700 | 3600 | 4500 | 4500 | 7200 | 9000 | 15000 | |
|
Vacuum degree of each effect |
First Effect |
0 | |||||||||
|
Second Effect |
448 | ||||||||||
| (mmHg) |
Third Effect |
640 | |||||||||
|
Evaporation temperature of each effect |
First Effect |
99 | |||||||||
|
Second Effect |
76 | ||||||||||
|
Third Effect |
53 | ||||||||||
|
Steam pressure for evaporation(MPa) |
0.6-1.0(Absolute pressure) | ||||||||||
| Solid content in feed(％) | 6-7(Corn pulp example) | ||||||||||
| Solid content outlet(％) | 42-48(Corn pulp example) | ||||||||||
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