Equipment: Electrical Heating Reactor
Applications: PU Adhesives, Floor Paint, Fire-Proofing Materials
Global Installations: UAE, Turkey, Korea
Equipment Overview
The POLYC Electrical Heating Reactor is a versatile reaction system designed for chemical synthesis, resin production, adhesive manufacturing, and coating preparation. With precise temperature control and high-torque mixing, it handles a wide range of viscosities and reaction conditions.
Global Installations
UAE - PU Adhesives (500L):
- Application: PU adhesive production
- Configuration: 500L working capacity, 3kW motor, 0-760 rpm, 300mm disc diameter
- Heating: Electrical heating up to 80 degrees Celsius
- Result: Consistent adhesive quality with precise temperature control
UAE - Custom Reactor (1000L):
- Application: Custom chemical production
- Configuration: 1000L working capacity, 22kW motor, 0-1450 rpm, 350mm disc diameter
- Heating: Electrical heating up to 150 degrees Celsius
- Result: High-performance reaction system for demanding chemical processes
Turkey - Floor Paint (500L):
- Application: Floor paint production
- Configuration: 500L working capacity, 11kW motor, 0-1450 rpm, 300mm disc diameter
- Heating: Integrated electrical heating system
- Result: Efficient floor paint production with uniform mixing
Korea - Fire-Proofing Materials (1000L & 2000L):
- Application: Fire-proofing material production, temperature maintained at 120 degrees Celsius
- Configuration 1: 1000L reactor with precise temperature control
- Configuration 2: 2000L reactor, 45kW motor, 0-1450 rpm, 450mm disc diameter
- Heating: Electrical heating maintained at 120 degrees Celsius
- Result: Reliable fire-proofing material production with consistent temperature control
Key Features
- Electrical heating system with precise temperature control (up to 150 degrees Celsius)
- High-torque mixing for various viscosity materials
- Available in 500L, 1000L, and 2000L configurations
- Stainless steel construction for chemical compatibility
- Suitable for adhesives, resins, paints, coatings, and fire-proofing materials
Industry Context
Electrical heating reactors have found widespread application across multiple global markets for chemical synthesis, adhesive manufacturing, and coating production. In the UAE, the growing specialty chemicals and adhesives sector requires precise temperature control for PU adhesive synthesis. In Turkey, the construction coatings industry demands efficient reaction systems for floor paint production. In Korea, the advanced materials sector requires high-capacity reactors for fire-proofing material production at elevated temperatures. Each application presents unique requirements for temperature control, mixing torque, and material compatibility.
Technical Highlights
| Configuration | Capacity | Motor | Max Temp | Application |
|---|---|---|---|---|
| UAE - PU Adhesives | 500L | 3kW | 80°C | PU adhesive production |
| UAE - Custom | 1000L | 22kW | 150°C | Custom chemical production |
| Turkey - Floor Paint | 500L | 11kW | Integrated | Floor paint production |
| Korea - Fire-Proofing | 1000L & 2000L | 45kW (2000L) | 120°C | Fire-proofing materials |
Engineering Approach
The electrical heating reactor design provides precise temperature control through PID-controlled heating elements distributed around the vessel jacket, ensuring uniform heating without hot spots that can cause localized degradation of temperature-sensitive materials. The high-torque mixing system is designed to handle the full viscosity range encountered in chemical synthesis—from low-viscosity monomer mixtures at reaction initiation to high-viscosity polymer products at completion. In the Korean fire-proofing material installation, the 2000L reactor with 45kW motor maintains the material at a constant 120°C throughout the reaction cycle, ensuring consistent cross-linking and product quality. The stainless steel construction provides chemical compatibility for a wide range of formulations, while the modular design allows customisation of agitator type, heating method, and vessel size for specific application requirements.
Process Design Rationale
The four installations in this case share one platform and four different duty points. A 500 L reactor with a 3 kW motor and a 300 mm disc runs PU adhesive at up to 80 degrees C, where the material is viscous but the reaction is moderate. A 1,000 L unit with a 22 kW motor and a 350 mm disc reaches 150 degrees C for custom chemical production, where both heat input and mixing torque are higher. The 500 L floor paint unit uses an 11 kW motor at up to 1,450 rpm, and the Korean fire-proofing units run 1,000 L and 2,000 L vessels at a maintained 120 degrees C, the larger one with a 45 kW motor and a 450 mm disc.
Reading the table as a set shows how the specification is built: capacity sets the vessel, the product's viscosity sets the motor and disc diameter, and the chemistry sets the maximum temperature and the heating method. Electrical heating is used where jacket services are unavailable or where precise, local temperature control matters more than heating speed.
Quality and Acceptance Checks
Reactor acceptance should verify temperature uniformity inside the vessel, not just the setpoint at the controller. A probe near the wall and a probe in the bulk will read differently during heat-up if the agitator is not moving material past the heated surface. Motor current at working viscosity, shaft runout and seal condition are the mechanical checks; batch-to-batch consistency of the finished product is the process check. For the 150 degrees C unit, the safety review should confirm that all wetted and sealed components are rated above the working temperature with margin.
Specifying a Similar Reactor
A reactor specification should state working volume, viscosity range at reaction temperature, maximum temperature and required heating rate, agitation type and speed range, whether the process is atmospheric or under vacuum, and the materials of construction for wetted parts. Where solvents are present, the explosion-protection class of the motor and controls must be defined before the quotation, because it changes the drive train rather than the vessel.
Related Equipment
Explore the reaction and mixing technology: Reactor & Kettle, High Viscosity Mixer, and Planetary Mixer for high-viscosity applications.
Recommended equipment
Electrical Heating Reactor/Chemical Reactor is the relevant POLYC MACHINE configuration for this application.