Rototech Engineering Systems
Dehgam, Gandhinagar, Gujarat
GST No. 24AAYFR2518L1ZN
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Call 07942706434
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Product Details:
| Inlet Temperature | 50 |
| Outlet Temperature | 70 |
| Flow Rate | 5000 |
| Usage/Application | Pharmaceutical industry |
| Medium Used | Air |
| Primary Exchanger Material | Steel |
| Type | Shell & Tube |
| Country of Origin | Made in India |
A Reboiler is a type of heat exchanger used in distillation columns to provide the heat necessary to vaporize the bottom liquid and send vapors back up the column. It plays a critical role in the separation of components based on their boiling points.
⚙️ Basic Working Principle of a ReboilerBottoms Liquid Feed: Liquid collected at the bottom of the distillation column enters the reboiler.
Heat Input: Steam or hot oil is used to heat the liquid.
Vapor Generation: A portion of the liquid vaporizes.
Vapor Return: The generated vapor goes back into the column to assist in separation.
Remaining Liquid: The non-vaporized portion is either recirculated or removed as bottoms product.
| Type | Description |
|---|---|
| Kettle Reboiler | Large horizontal shell with tubes; easy to maintain; common in large-scale operations. |
| Thermosyphon Reboiler | Relies on natural circulation; no pump required; vertical or horizontal types available. |
| Forced Circulation Reboiler | Uses a pump to circulate liquid; suitable for viscous or fouling fluids. |
| Internal Reboiler | Installed inside the column; saves space but harder to maintain. |
Steam (most common)
Hot oil
Fired heater (for very high temperature duties)
Distillation columns (chemical, petrochemical, refinery)
Stripping columns (removing volatiles)
Absorption systems (e.g., CO₂ stripping)
Evaporation systems
| Parameter | Importance |
|---|---|
| Heat Duty (Q) | Required vaporization energy |
| Heat Transfer Area | Depends on U-value and temperature difference |
| Temperature Difference (ΔT) | Between heating medium and process fluid |
| Vapor Flow Rate | Determines column separation performance |
| Pressure Drop | Should be minimized for stable operation |
Heat Duty:
Q=m⋅λQ = m \cdot \lambda Q = m ⋅λWhere:
QQQ = heat duty (kW)
mmm = mass flow rate of vapor (kg/h)
λ\lambdaλ = latent heat (kJ/kg)
Area Required:
Q=U⋅A⋅ΔTLMTDQ = U \cdot A \cdot \Delta T_{\text{LMTD}}Q=U⋅A⋅ΔTLMTDUUU = overall heat transfer coefficient
AAA = heat transfer area
ΔTLMTD\Delta T_{\text{LMTD}}ΔTLMTD = log mean temperature difference
Supports efficient separation in distillation
Can handle wide temperature and pressure ranges
Various designs for different applications
Product Details:
| Material | Stainless Steel |
| Heat Transfer Type | Condensers |
| Usage/Application | Hydraulic and Industrial Process |
| Type | Tube |
| Medium Used | Water |
| Flow Type | Cross Flow |
| Surface Finish | Polished |
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.
A Plate Type Heat Exchanger is a highly efficient and compact device used to transfer heat between two fluids using corrugated metal plates instead of tubes. It is widely used in HVAC, food & beverage, dairy, pharma, and chemical industries.
⚙️ Working Principle:A series of thin, corrugated metal plates are stacked together.
Hot and cold fluids flow through alternate channels formed between the plates.
Each plate allows heat to transfer from the hot fluid on one side to the cold fluid on the other — without mixing the fluids.
Gaskets or welded seals ensure proper flow paths and leak-free operation.
Product Details:
| Minimum Order Quantity | 01 Piece |
| Capacity | 200 ton |
| Surface Finish | SS |
| Country of Origin | Made in India |
A Water-Cooled Condenser is a type of heat exchanger that removes heat from a refrigerant vapor or process vapor by using water as the cooling medium, condensing the vapor into a liquid.
⚙️ Working PrincipleHot vapor enters the condenser (usually from a compressor or distillation column).
Cooling water flows through a coil, tubes, or around the shell (depending on the type).
Heat transfer occurs: the vapor loses heat to the water and condenses into a liquid.
Condensate is collected, and the heated water is discharged or recirculated via a cooling tower.
| Type | Description |
|---|---|
| Shell and Tube Condenser | Most common; water flows through tubes, refrigerant condenses in the shell. |
| Double Pipe Condenser | One pipe inside another; water in inner pipe, refrigerant in outer pipe. Compact and simple. |
| Plate Heat Exchanger | Uses metal plates to separate fluids; compact and efficient but less common for condensation. |
Additional Information:
A Shell and Tube Heat Exchanger is one of the most common and reliable types of heat exchangers used in industries for transferring heat between two fluids—one flows inside the tubes and the other flows outside the tubes (inside the shell).
⚙️ Basic Working PrincipleTube Side: One fluid flows through a bundle of tubes.
Shell Side: The second fluid flows around the tubes, inside a larger cylindrical shell.
Heat Transfer: Heat is exchanged between the two fluids—without mixing them—through the tube walls.
This type of heat exchanger is ideal when fluids operate at high pressures or temperatures, or where a large heat transfer area is needed.
🧱 Main Components| Component | Function |
|---|---|
| Tubes | Carry one of the fluids; can be plain or finned. |
| Shell | Outer body holding the tube bundle; second fluid flows here. |
| Tube Sheets | Plates that hold the tubes at both ends. |
| Baffles | Plates inside the shell to direct fluid flow and improve heat transfer. |
| Heads / End Covers | Direct the tube-side fluid into and out of the tubes. |
Parallel Flow: Fluids move in the same direction.
Counter Flow: Fluids move in opposite directions (most efficient).
Cross Flow: Fluids flow perpendicular to each other.
Power plants (boilers, condensers)
Oil refineries and petrochemical plants
Chemical process industry
HVAC systems
Marine and ship cooling systems
Food and beverage industry
Tubes: Stainless steel, copper, titanium, Inconel, etc.
Shell: Mild steel, stainless steel, or special alloys
Selection depends on:
Corrosiveness
Pressure/temperature
Maintenance needs
High pressure and temperature resistance
Easy to clean (especially tube side)
Can be designed for very large heat transfer areas
Suitable for phase change (like condensation or boiling)
Larger footprint compared to plate exchangers
Heavier and more expensive
Less efficient at low flow rates
Heat duty (Q = m × Cp × ΔT)
Log Mean Temperature Difference (LMTD)
Overall Heat Transfer Coefficient (U)
Fouling factors
Pressure drop (both shell and tube side)