This device is used for cooling or heating fuel, lubricating oil, and other test fluids during testing operations at the client；s test bench. The thermal oil cooling and heating unit supplies low-temperature or high-temperature thermal oil, which exchanges heat with the fuel in the heat exchanger at the test component’s inlet. This enables the fuel to achieve the desired temperature conditions, as illustrated in the schematic diagram below.
1. High-Performance Cooling & Heating Capability
- Broad temperature range
- Plate heat exchanger combined with tubular heater enables rapid thermal transfer
- Proprietary rapid cooling technology for ultra-high temperatures (direct cooling from 300℃)
2. Intelligent Precision Control
- Maipt system with PID algorithm and PLC integration achieves ±0.1℃ temperature accuracy
3. Multi-Layer Safety Assurance
- Interlocking multi-sensor system ensures safety during prolonged operation
4. Advanced Structural Design
- Fully sealed circulation system extends thermal fluid lifespan
- Magnetic drive pump eliminates leakage risks
5. User-Friendly Operation
- Intuitive touchscreen interface with graphical controls
- Sealed structure minimizes fluid replacement requirements
| Fuel & Lubricant Oil Testing Temperature Control System | |||||
| This unit is designed for cooling/heating fuel and lubricating oil during testing at the client's test bench. The thermal oil cooling/heating systemprovides low- or high-temperature thermal oil, which exchanges heat with the fuel at the test piece’s inlet heat exchanger to achieve the desired temperature conditions. The working principle is illustrated below. | |||||
| Model | MPTDB-6A15WPEX MPTDB-6A15WDEX | MPTDB-6A25WPEX MPTDB-6A25WDEX | MPTDB-6A45WPEX MPTDB-6A45WDEX | MPTDB-6A60WPEX MPTDB-6A60WDEX | |
| Temperature Range | -60℃~200℃ | ||||
| Heating Power | 15kW | 25kW | 45kW | 60kW | |
| Cooling Capacity | 200℃ | 15kW | 25kW | 45kW | 60kW |
| 100℃ | 15kW | 25kW | 45kW | 60kW | |
| 20℃ | 15kW | 25kW | 45kW | 60kW | |
| 0℃ | 15kW | 25kW | 45kW | 60kW | |
| -50℃ | 5kW | 8kW | 15kW | 25kW | |
| -55℃ | 3kW | 5kW | 9kW | 15kW | |
| Temperature Control Accuracy | Heat transfer medium | ±0.1℃ | |||
| Fuel | ±0.1℃（Steady State） | ||||
| Pressure Display | Refrigeration system pressure & circulation system pressure displayed on the touchscreen via pressure sensors. | ||||
| Controller | Control algorithm: Fuzzy PID with cascade control capability. | ||||
| Temperature Control | Heat transfer medium outlet temperature control，External sensor input: PT100, 4~20mA, or communication signal.Cascade control | ||||
| Communication Protocol | Ethernet TCP/IP | ||||
| Internal Temperature Monitoring Points | Heat transfer medium inlet/outlet，Refrigeration condenser temperature，Ambient temperature，Compressor suction temperature，Cooling water temperature | ||||
| External Temperature Feedback | Compatible with PT100, 4~20mA, or communication signal input. | ||||
| Precision Cascade ΔT Control | Configurable temperature differential regulation between: Heat transfer oil outlet vs. external sensor input，System inlet vs. outlet fluid streams | ||||
| Closed-Loop Circulation System | Fully sealed design: No oil mist at high temperatures，No moisture absorption at low temperatures，Automatic pressure regulation & fluid replenishment | ||||
| Heating System | Max heating power: Model-dependent. Protections: Triple safety (independent temperature limiter). For systems with power exceeding 10kW, the following safety measures are implemented:Voltage Regulator Deployment，4-20mA Linear Power Output Control | ||||
| Cooling Capacity | Rated for heat removal across operating temperatures (actual performance depends on ambient conditions; recommend oversizing + insulation) | ||||
| High-temperature cooling | Capable of ramping down from 200°C | ||||
| Circulation pump | Magnetic drive | ||||
| Flow Rate、Pressure of pump | 110L/min 2.5bar | 200L/min 2.5bar | 400L/min 2.5bar | 500L/min 2.5bar | |
| Compressors: | Emerson Copeland Scroll / Carlyle / Bitzer | ||||
| Evaporator | Plate heat exchanger | ||||
| Refrigeration accessories | Oil separator, dryer filter, TXV/EEV (Emerson/Danfoss), Solenoid valves, pressure controls, sight glasses | ||||
| Touchscreen | Color display with data logging/export | ||||
| Protections: | Self-diagnostics,Phase sequence protection,Refrigeration overload cutoff High-pressure switch / thermal relays...Multiple Safety Protection Features | ||||
| Refrigerant | R-404A R23 | ||||
| Port Size | DN32 PN10 RF | DN32 PN10 RF | DN40 PN10 RF | DN50 PN10 RF | |
| Dimensions (Pressurized Model)cm | 135*145*225 | (135+60)*145*225 | (185+60)*145*225 | (185+60)*145*225 | |
| Dimensions (Isolated Model) cm | 80*145*185 | 100*175*185 | 145*205*205 | 145*205*205 | |
| Water-Cooled Condenser | Plate heat exchanger(Must use chiller or closed-circuit cooling tower water supply) | ||||
| Cooling Water Flow RateAT 20℃ | 5m³/h DN32 | 8m³/h DN40 | 15m³h DN50 | 24m³/h DN65 | |
| Power Supply(380V50HZ) | 28kW max | 48kW max | 70kW max | 102kW max | |
| Control Components | Relays/Contactors/Circuit Breakers: Schneider Electric or equivalent brands. | ||||
| Pressurized Explosion-Proof System | Requirement | Mandatory water-cooling for heat dissipation. | |||
| Cooling System | Maintains internal temperature <45°C under full load. | ||||
| ★ The secifcations abve are subject tochanges without notice,Some specificationsmay be customized. | |||||
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