Three-effect Energy-saving Evaporator
Application
This concentrator is ideal for the concentration of liquid materials across a variety of industries, including pharmaceuticals (both traditional Chinese and Western medicine), food and beverage (glucose, starch, monosodium glutamate), and chemical processing. It is especially suitable for the low-temperature vacuum concentration of heat-sensitive materials.
Equipment Structure:
The triple-effect concentrator is constructed by connecting multiple shell-and-tube single-effect units in series. The complete system includes the first-, second-, and third-effect heating chambers and evaporation chambers, along with auxiliary cooling equipment. All material-contact components are made of corrosion-resistant stainless steel. The evaporation chamber features a double-layer structure with insulation and external heating, and the unit is equipped with supporting instrumentation such as vacuum gauges and temperature gauges.
Technical Parameter
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Specification |
1000 |
2500 |
3000 |
4000 |
6000 |
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Evaporation capacity (Water basis) |
1000 Kg/h |
2500 Kg/h |
3000 Kg/h |
4000 Kg/h |
6000 Kg/h |
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|
Steam pressure |
0.25 MPa |
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Steam consumption |
≈350 Kg/h |
≈900 Kg/h |
≈1100 Kg/h |
≈1550 Kg/h |
≈2100 Kg/h |
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|
Cooling water consumption |
27 T/h |
65 T/h |
65 T/h |
116 T/h |
162 T/h |
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|
Vacuum degree |
First effect |
-0.04 ~ -0.05 |
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Second effect |
-0.06 ~ -0.07 |
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Third effect |
-0.08 ~ -0.09 |
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Evaporation temperature |
First effect |
45 ~ 60℃ |
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Second effect |
70 ~ 75℃ |
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Third effect |
80 ~ 85℃ |
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Overall Dimensions (Length * width * height) (m) |
4.87*1.48*3.43 |
8.4*2.0*5.5 |
7.95*2.1*5.26 |
9.3*2.3*5.6 |
9.3*2.8*5.86 |
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Note: The above parameters are approximate data and will be customized according to the customer's design specifications. |
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Working Principle
Fresh steam is introduced through the pipeline into the first-stage heating chamber to heat the material, which is then sprayed into the first-stage evaporation chamber under vacuum conditions.
The secondary steam generated from evaporation enters the second-stage heating chamber to heat the material in that stage, and the process continues sequentially, establishing a continuous circulation.
Vapor from the third-effect evaporator enters the condenser, where it is cooled and converted into condensate.
As most of the water in the material evaporates, the solution concentration increases. Once the target concentration ratio is achieved, the concentrated product is discharged from the equipment.
Equipment Features
Energy-saving Benefits: Based on the calculation model of the SJN-100 type, this system can save approximately 5,000 tons of steam and tens of thousands of tons of cooling water per year, reducing operating costs by nearly 200,000 RMB.
This concentrator utilizes external heating, natural circulation, and negative-pressure evaporation, resulting in high evaporation rates and a high concentration ratio of up to 1.4 (based on typical Chinese herbal extracts).
By operating in three-effect evaporation mode, secondary steam is continuously reused, reducing energy consumption by approximately 70% compared to single-effect evaporation systems.
Featuring a specially designed structure, this concentrator produces a potent and uniformly textured paste. It enables foam-free concentration in a fully sealed environment, minimizes material loss and contamination, reduces tar formation, and simplifies cleaning.
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