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Address: Junmin Road, Huangqiao Industrial Park, Taixing, Jiangsu, China (Mainland)
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Jiangsu Hanpu Mechanical Technology Co., Ltd |
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Intelligent multi-effect integrated low temperature mechanical vapor recompression MVR evaporator
MVR Description
MVR is the abbreviation of Mechanical Vapor Recompression. It takes
use of the compressor to re-compress the second vapor (low
temperature and low pressure) which is evaporated from the liquid
material, to rise its temperature and pressure, so as to reuse it
as heating source to evaporate the liquid material again. During
the evaporation of normal multi effect evaporator, the second vapor
of one effect could not be used as the heating source of its own
effect, can only be used for the other effect. If want to use for
its own effect, must provide extra energy to increase its
temperature(pressure), and the steam jet pump can only compress
part second vapor, while MVR Evaporator can compress all the second
vapor inside the evaporator.
The evaporation process of MVR is low temperature steam compressed
by compressor, temperature and pressure increase, increase in
enthalpy, and then enters the heat exchanger in order to take full
advantage of the latent heat of steam. Apart from the drive
started, the entire evaporation no need steam.
Application:
It can be widely used to Milk, glucose, organic acid, VC, xylose, pharmaceutical, plant, chemical industry, environmental protection, waste recycling, paper making, salt making industry such as evaporation and concentration, evaporation crystallization, low temperature of evaporation process etc.
Main features:
MVR has more advantages, such as energy saving, high thermal efficiency, low power consumption, no pollution, equipment stable operation, simple operation, high automation and equipment in compact, covers an small area space, and save the cooling system. Especially applies to the factory who want to expand the steam and water supply but space is insufficient, and need chilled water and condensation water for low temperature evaporation situation, can save investment and gain good energy saving effect.
MVR Technical Characteristics
MVR technology uses the generated vapor for heat instead of expensive heat sources
MVR technology does not require a cooling tower, greatly reducing the use of cooling water
MVR technology is more efficient than traditional multi-effect evaporation technology saving energy and reducing operating costs
MVR technology is truly energy-saving, water-saving, environmentally-sound, and helps with resource recycling
MVR technology achieves low-temperature evaporation, greatly reducing the impact on your material
MVR technology system structure is simple, fully-automated, with continuous operation
MVR systems consist of an evaporator, a vapor compressor, separators, pumps, piping, instrumentation, and electrical control components
MVR systems can be designed around simple evaporators or sophisticated falling film tube evaporators
MVR systems can use simple vapor compression or sophisticated roots pumps
MVR systems can have low liquid holdup, or be larger volume tank systems
MVR systems can achieve a variety of evaporation, process design and fluid composition will determine this
Operation cost comparison
The operation of the two evaporation processes for the treatment is shown in the table.
Operation of two evaporation processes for treating paper waste water.
| item | 5 effect station | combined evaporation process | ||
| MVR pre concentration | 5-effect evaporation station | |||
| Evaporation water (t/h) | 100 | 64.28 | 35.72 | |
| Incoming concentration(%) | 10 | 10 | 20 | |
| Out concentration(%) | 45 | 20 | 45 | |
| Evaporator area(㎡) | 10000 | 8500 | 4000 | |
| Condenser area(㎡) | 800 | / | 300 | |
| Consumption | Steam (t/h) | 25 | / | 9 |
| Electricity(kWh/h) | 500 | 1600 | 180 | |
| Water(t/h) | 900 | / | 350 | |
| Running cost | RMB/hour | 4500 | 960 | 1633 |
| RMB/T water evaporation capacity | 45 | 25.93 | ||
| RMBx10000/Day | 10.8 | 6.2 | ||
| RMBx10000/Year(340days) | 3672 | 2115 | ||
Note:In operation cost estimation:steam 150rmb/t,electricity 0.6 rmb/kWh,water 0.5rmb/t.
The investment of combined evaporation process equipment increased: evaporator (2500 m2) 375x10000 RMB; MVR compressor 400x10000rmb, total 775x10000 RMB
Annual operating cost reduction of combined evaporation process: 3672-2115 = 1557 (10000RMB)
Investment increase payback period of combined evaporation process: 755 ÷ 1557=0.5year
It can be seen that taking the scale of 100t / h as an example, the combined evaporation process can recover the increased investment in half a year, and save 1557 (10000 RMB) every year in the future, with considerable economic benefits.
The handling capacity can be up to 100T/h, with advantages such as small floor space, compact structure, stable operation and so on.
Working principle drawing
Our Production Capability and certificate
