The main differences between high-temperature heat pumps and mold temperature controllers are the working principle, heat source utilization and application scenarios:
- Working principle
- High-temperature heat pumps:
- Through the circulation of refrigerant, heat is absorbed from the low-temperature heat source and the temperature is increased to supply high-temperature hot water or hot air.
- Relying on electric energy drive, the typical COP (coefficient of performance) is 3~5.
- Mold temperature controller:
- Directly control the temperature through electric heating or oil heating, using water or heat transfer oil as the heat transfer medium.
- Mainly heating or cooling, with a wide temperature control range.
- Heat source utilization
- High-temperature heat pumps:
- Can recycle waste heat (such as industrial waste heat, exhaust waste heat) to improve thermal energy utilization.
- Can be linked with low-grade heat sources (such as wastewater, air) to achieve energy conservation and emission reduction.
- Mold temperature controller:
- No heat recovery function, directly relying on electricity or external heating sources.
- More suitable for precise temperature control of a single device.
- Application scenarios
- High temperature heat pump:
- Used for large-scale industrial heating (such as drying, distillation, cleaning) or centralized heating.
- Commonly used in textile, food, pharmaceutical, chemical and other industries.
- Mold temperature controller:
- Used for local temperature control of small equipment (such as heating or cooling of injection molds and extrusion molds).
- Commonly used in plastics, rubber, mold manufacturing and other industries.
- Temperature range
- High temperature heat pump:
- Usually the heating range is 50~120°C, and some advanced systems can reach 150°C.
- Mold temperature controller:
- The temperature of water-type mold temperature controller is generally ≤120°C; the temperature of oil-type mold temperature controller can reach 180~350°C.
- Energy efficiency and environmental protection
- High temperature heat pump:
- High energy efficiency (up to COP 4.0+), relying on clean electricity and heat source recovery, low carbon emissions.
- Mold temperature controller:
- Low energy efficiency, completely dependent on electricity or fuel, high operating costs, and average environmental protection.
Summary
- High temperature heat pump: suitable for large-scale heating or energy recovery scenarios, focusing on energy saving and environmental protection.
- Mold temperature controller: suitable for precise temperature control of small equipment, emphasizing temperature control accuracy.
The choice depends on specific needs, scale and temperature control accuracy requirements.
