Rototech Engineering Systems
Dehgam, Gandhinagar, Gujarat
GST No. 24AAYFR2518L1ZN
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Call 07942706434
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Rototech Engineering Systems is a leading manufacturer of advanced drying solutions, catering to the diverse needs of industries across India. With a strong commitment to innovation and customer satisfaction, we have established ourselves as a trusted partner for various applications.
Agitated Thin Film Dryer (ATFD)
Our ATFD is a state-of-the-art drying solution designed to efficiently dry a wide range of materials, including heat-sensitive products. This system is suitable for various industries, including pharmaceuticals, chemicals, and food processing.
Features of Our ATFD
- High-Efficiency Drying: Our ATFD provides high-efficiency drying, reducing processing time and costs.
- Gentle Product Handling: The system is designed to handle products gently, preserving their quality and integrity.
- Flexible Design: Our ATFD is available in various configurations, catering to specific application requirements.
Benefits of Our ATFD
- Improved Product Quality: Our ATFD ensures improved product quality, reducing the risk of degradation or contamination.
- Increased Productivity: The system increases productivity, reducing processing time and costs.
- Easy Maintenance: Our ATFD is designed for easy maintenance, reducing downtime and costs.
Applications of Our ATFD
- Pharmaceuticals: Our ATFD is widely used in pharmaceuticals, drying active pharmaceutical ingredients (APIs) and intermediates.
- Chemicals: The system is used in chemicals, drying various chemical products and intermediates.
- Food Processing: Our ATFD is suitable for food processing, drying food products and ingredients.
Why Choose Rototech Engineering Systems?
- Experience and Expertise: We have extensive experience and expertise in manufacturing advanced drying solutions.
- Innovation and Quality: Our products are designed to provide innovative and high-quality solutions for various applications.
- Customer Satisfaction: We prioritize customer satisfaction, ensuring timely delivery and excellent service.
- Pan India Presence: We deal pan India, catering to the diverse needs of industries across the country.
Contact Us
If you're looking for a reliable partner for your drying needs, contact us today to discuss your specific requirements and learn more about our products and services.
Product Details:
| Minimum Order Quantity | 01 Piece |
| Capacity(KLD) | 1000 |
| Treatment Stages | 10 |
| Material | Stainless Steel |
| Treated Water Quality | 1000 |
| Automation Grade | Automatic |
| Power Source | ELECTRIC |
| Usage/Application | PHARMA CEUTICAL , TEXTILES , SPECIALITY CHEMICALS |
A Multi Effect Evaporator (MEE) is an industrial system used to concentrate liquids—typically by removing water through evaporation—using multiple stages (effects) to save energy. It is widely used in industries like chemicals, pharmaceuticals, food, distilleries, pulp & paper, and in Zero Liquid Discharge (ZLD) systems.
🔧 Working Principle of Multi Effect EvaporatorThe system works on the principle of evaporation under reduced pressure and steam reuse across multiple effects, reducing steam consumption:
First Effect: Live steam is supplied to the first evaporator. It heats the feed solution, and water evaporates.
Second Effect: The vapor from the first effect (still hot) is used as the heating medium for the second effect.
Subsequent Effects: This process continues across 3, 4, 5, or more effects. The boiling point drops in each effect due to vacuum, enabling evaporation at lower temperatures.
Final Concentration: Concentrated product is collected at the last effect, and vapors are condensed via condensers or reused via MVR (Mechanical Vapor Recompression).
| Feature | Description |
|---|---|
| Energy Efficient | Steam is reused in each effect, reducing energy cost. |
| Vacuum Operated | Lower boiling point prevents thermal degradation. |
| Multiple Effects | Typically 3 to 7 stages; more effects = more saving. |
| Material Handling | Suitable for viscous liquids and heat-sensitive materials. |
Forward Feed – Feed enters first effect and moves forward; simple and energy-efficient for hot feed.
Backward Feed – Feed enters last effect and moves backward; more suitable for viscous or heat-sensitive fluids.
Mixed Feed – Combination of forward and backward for optimal performance.
Thermal Vapor Recompression (TVR) or Mechanical Vapor Recompression (MVR) can be added for enhanced energy savings.
Zero Liquid Discharge (ZLD) Systems
Effluent concentration in chemical industries
Dairy industry for milk concentration
Sugar industry for syrup concentration
Pharmaceuticals – to concentrate APIs or intermediates
Textile/Dyeing plants – for wastewater treatment
Heat Transfer Area
Boiling Point Elevation (BPE)
Viscosity of the fluid
Scaling tendency
Corrosiveness (use of SS316, Duplex, or Titanium)
Vacuum and steam requirements
Additional Information:
Product Details:
| Minimum Order Quantity | 01 Piece |
| Capacity(KLD) | 1000 |
| Material | Stainless Steel |
| Automation Grade | Automatic |
| Treatment Stages | 10 |
| Treated Water Quality | 1000 |
| Usage/Application | chemical , textiles , food , pharma , API |
MVR (Mechanical Vapor Recompression) is an energy-efficient evaporation technology used to reuse vapor generated during evaporation by compressing it and using it again as a heating medium. It is widely used in zero liquid discharge (ZLD) systems, effluent treatment, desalination, and chemical processing.
🔧 Working Principle of MVR:Evaporation Begins:
A liquid is heated and starts to evaporate, generating water vapor.
Vapor Compression:
The generated vapor is compressed using a mechanical compressor or blower.
Compression raises the temperature and pressure of the vapor.
Vapor Reuse:
This compressed vapor is then used as the heat source (instead of steam) in the heat exchanger or evaporator to continue evaporation of incoming liquid.
Condensate Collection:
The vapor condenses after transferring its heat and is collected as pure water (condensate).
| Component | Function |
|---|---|
| Evaporator | Where liquid boils and vapor is generated |
| Compressor/Blower | Compresses vapor to increase temperature |
| Heat Exchanger | Uses compressed vapor to heat feed liquid |
| Condenser | Optional, collects condensed water |
| Separator | Separates vapor from concentrated liquid |
Up to 90–95% energy saving compared to traditional evaporation
Uses electricity instead of steam
Compact design, fewer utilities required
Environmentally friendly (low emissions)
Ideal for zero liquid discharge (ZLD) systems
High capital cost (especially compressor)
Not ideal for very viscous or scaling liquids
Requires stable electricity supply
Compressor maintenance is critical
Effluent Treatment Plants (ETPs)
Desalination
Pharma & chemical process concentration
Food & dairy (milk, juice concentration)
ZLD systems in textiles, distilleries, etc.
| System | Steam Consumption |
|---|---|
| Traditional Evaporator | High (uses fresh steam) |
| MVR System | Very low (recycles its own vapor) |
Would you like:
A process diagram of an MVR system?
Comparison with multi-effect evaporator (MEE)?
Explanation in Gujarati?
Additional Information:
Rototech Engineering Systems is a leading manufacturer of advanced drying solutions, catering to the diverse needs of industries across India. With a strong commitment to innovation and customer satisfaction, we have established ourselves as a trusted partner for various applications.
Agitated Thin Film Dryer (ATFD)
Our ATFD is a state-of-the-art drying solution designed to efficiently dry a wide range of materials, including heat-sensitive products. This system is suitable for various industries, including pharmaceuticals, chemicals, and food processing.
Features of Our ATFD
- High-Efficiency Drying: Our ATFD provides high-efficiency drying, reducing processing time and costs.
- Gentle Product Handling: The system is designed to handle products gently, preserving their quality and integrity.
- Flexible Design: Our ATFD is available in various configurations, catering to specific application requirements.
Benefits of Our ATFD
- Improved Product Quality: Our ATFD ensures improved product quality, reducing the risk of degradation or contamination.
- Increased Productivity: The system increases productivity, reducing processing time and costs.
- Easy Maintenance: Our ATFD is designed for easy maintenance, reducing downtime and costs.
Applications of Our ATFD
- Pharmaceuticals: Our ATFD is widely used in pharmaceuticals, drying active pharmaceutical ingredients (APIs) and intermediates.
- Chemicals: The system is used in chemicals, drying various chemical products and intermediates.
- Food Processing: Our ATFD is suitable for food processing, drying food products and ingredients.
Why Choose Rototech Engineering Systems?
- Experience and Expertise: We have extensive experience and expertise in manufacturing advanced drying solutions.
- Innovation and Quality: Our products are designed to provide innovative and high-quality solutions for various applications.
- Customer Satisfaction: We prioritize customer satisfaction, ensuring timely delivery and excellent service.
- Pan India Presence: We deal pan India, catering to the diverse needs of industries across the country.
Contact Us
If you're looking for a reliable partner for your drying needs, contact us today to discuss your specific requirements and learn more about our products and services.
Product Details:
| Minimum Order Quantity | 1 Piece |
| Capacity | 250LPH |
| Automation Grade | Automatic |
| Material | Stainless Steel |
We are engaged in offering Electrical Evaporator Plant to our clients. Our range of all products is widely appreciated by our clients.