Triple Effect Enrichment Evaporator
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Product introduction
The three-effect concentration evaporator is an energy-saving and efficient evaporation equipment, which is composed of three interconnected concentration units to achieve efficient concentration of materials. This equipment is widely used in the chemical, food and environmental protection industries, and its multi-stage concentration and heat reuse technology achieves the synergy of energy conservation and emission reduction and efficient production.
The main components and functions of the triple-effect concentration evaporator include
Feed pump: Transfers the raw material to be treated to the primary heater.
First effect heater: An external heat source (e.g. raw steam) is used to initially heat the raw material to boiling.
Second and third effect concentrators: The secondary steam produced by the first effect is used as a heat source for the second effect, and the secondary steam produced by the second effect is supplied to the third effect, forming a series of enrichment processes.
Concentration chamber and separator: After heating, the material is concentrated here and separated by a gas-liquid separator.
Circulation pump: Responsible for the separation of the liquid back to the heater, forming a closed circulation system.
Condenser: Condenses the steam produced during the concentration process for collection or subsequent processing.
Solute separator: Any solid material (such as salts, etc.) produced during the concentration process is separated here.
The triple-effect concentration evaporator has the following notable features
High energy efficiency: The triple concentration process significantly improves the utilization of heat energy, saving about 70% of energy consumption compared to conventional single-effect concentrators.
Easy to operate: equipped with intelligent control system, precisely control the heat of the concentration process, optimize energy use.
Cleanliness: Concentrated in a closed system to ensure a clean and comfortable production environment. The foam removal device is designed to prevent spills, and the contact material part of the equipment is usually made of corrosion-resistant imported stainless steel and polished, easy to clean and meet the strict hygiene standards of the food and pharmaceutical industry.
Application areas of triple-effect concentration evaporators include
Chemical production: effectively remove inorganic salts and other solutes to achieve solution purification and concentration.
Food processing: It is suitable for the concentration of liquid food such as juice and milk to improve the concentration while maintaining the original flavor and nutrition.
Oil and gas collection and processing: for the treatment of salt water to reduce environmental impact.
Technical principle of
The principle of triple-effect evaporator technology is based on multiple stages of evaporation and heat reuse to improve overall energy efficiency and production efficiency.
First, a triple-effect evaporator is a system composed of three evaporators in series. During operation, the pressure and solution boiling point of each subsequent effect are lower than that of the previous effect, so that the secondary steam produced by the previous effect can be used as a heating medium for the next effect. In other words, the heating chamber of the after-effect is actually the condenser of the pre-effect secondary steam. In general, the first effect requires the consumption of raw steam to provide heat, while the subsequent second and third effects rely mainly on the secondary steam generated by the previous effect for heating.
Second, this design has the advantage of significantly reducing energy consumption, since no additional heat source is required for all effects except the first. The condensate of the first effect is returned to the heat source, while the condensate of the other effects is pooled and exported as desalinated water. Through this process, a single raw steam input can evaporate many times the amount of water.
In addition, in practical industrial applications, three-effect evaporators are particularly suitable for the evaporation and crystallization of solutions that have crystal precipitation. They are widely used in chemical industry, metal mining smelting, large steel pickling waste liquid treatment and power plant wet desulfurization waste liquid treatment. Due to the complex and changeable characteristics of the solution in various factories, it is usually necessary to formulate specific technical solutions for users to choose from for the composition and content of the solution with crystal precipitation.
Production of equipment
WTEYA aims to digital and intelligent production to provide superior products and services to its customers. We not only provide a wide range of standard products which are seriously tested and stable performance to meet a wide range of industrial needs. We also provide custom service, as well as OEM and ODM services, professional design team provides proper solutions for customers to meet their unique needs. We will work closely with each customer to ensure that every device suits customer's process requirements and production process accurately. WTEYA's one-stop service, innovative to create high-quality mechanical products and system solutions, professionally help customer deal with various water treatment problems.
Capacity and size
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Three-effect evaporation equipment parameter table |
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Evaporation capacity（t/h） |
Evaporator type |
Gross power（KW/h） |
Steam consumption（t/h） |
Circulating water consumption（t/h） |
Floor area (L *W * H/m) |
|
1.5 |
Forced-circulation evaporator |
56 |
0.7 |
60 |
2*10*12 |
|
5 |
Forced-circulation evaporator |
118 |
1.92 |
150 |
10*8*14 |
|
4 |
Forced-circulation evaporator |
97 |
1.6 |
135 |
10*6*12 |
|
8 |
Forced-circulation evaporator |
94 |
3.2 |
200 |
14*6*12 |
|
15 |
Forced-circulation evaporator |
144 |
6.5 |
500 |
12*8*14 |
Frequently Asked Questions
Q: What if the heat transfer efficiency of the triple-effect evaporator system decreases?
A: The decrease in heat transfer efficiency may be caused by scale or sediment buildup on the heater surface. The heater needs to be cleaned and maintained regularly, using a CIP (on-site cleaning) system or according to the manufacturer's recommended cleaning procedures to remove dirt. Ensure pre-treatment of incoming materials to reduce components that may form deposits.
Q: How to optimize the energy performance of the triple-effect evaporator?
A: In order to optimize energy consumption, ensure that all operating parameters (such as feed concentration, temperature, pressure, etc.) are precisely controlled. Check and maintain equipment seal performance to avoid steam leakage. At the same time, waste heat can be recovered through energy recovery systems such as heat pumps or thermal recompression, further improving the overall energy efficiency of the system.
Q: What is the cause of excessive noise when the triple-effect evaporator is running?
A: Noise may be caused by the failure or wear of pumps, compressors or other mechanical parts. The equipment should be checked to see if lubrication or parts need to be replaced. In addition, check whether there is air entering the system, because air can cause an air lock phenomenon in the system, producing noise.
Q: How to deal with crystallization blockage in triple-effect evaporator system?
A: Crystallization plugging is usually caused by precipitation of solutes with low solubility at low temperatures. The crystallization process can be controlled by adjusting the operating temperature and pressure, ensuring that the solution evaporates at higher temperatures to avoid crystallization. If a blockage has occurred, the blockage can be dissolved by increasing the temperature or using a chemical solvent.
Q: What if the vacuum degree of the three-effect evaporator can not reach the set value?
A: Insufficient vacuum may be caused by poor vacuum pump performance, system leakage, or inefficient condenser. First, check the performance of the vacuum pump and repair or replace it. Then, the system is fully inspected to determine if there is a leak point and fix it. Finally, clean the condenser to ensure its efficiency.
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