Vacuum furnaces usually need to be equipped with water chillers, depending on the equipment type, process requirements and operating environment.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
1. Why do vacuum furnaces need chillers?9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Cooling requirements for core components9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Vacuum pumps: Vacuum pumps generate a lot of heat during operation, especially oil-sealed mechanical pumps or molecular pumps. High temperatures can cause pump oil oxidation, viscosity reduction, and even damage to the pump body. Chillers ensure that the pump body and pump oil operate within a safe temperature range, extending the life of the equipment.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Diffusion pumps/molecular pumps: These high vacuum pumps are less efficient at high temperatures, and may cause seal failure due to overheating. Chillers maintain their efficient operation by cooling the pump body or water-cooled electrodes.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Heating elements and thermal fields: The heating elements or thermal fields of some vacuum furnaces (such as high-temperature sintering furnaces) require circulating water cooling to prevent equipment overheating or material damage.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Process stability requirements9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Some processes (such as metal heat treatment and ceramic sintering) require extremely high temperature control accuracy. Chillers can stabilize the temperature of the cooling system to avoid fluctuations in process parameters due to equipment overheating and ensure product quality consistency.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Safety and protection mechanism9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
The chiller can prevent the vacuum furnace from overheating and causing safety hazards (such as damage to electrical components and fire risks), while reducing equipment downtime and improving production efficiency.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2. Which vacuum furnaces must be equipped with chillers?9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Equipment type |
Do you need a chiller? |
Reason |
Oil-sealed mechanical pump vacuum furnace |
Yes |
The pump oil needs to be cooled to prevent oxidation and viscosity changes, and to extend the life of the pump body |
Diffusion pump/molecular pump vacuum furnace |
Yes |
High temperature will reduce pump efficiency, and cooling the pump body can maintain the vacuum degree. |
High temperature sintering vacuum furnace |
Definition |
The heating elements and thermal fields need to be cooled to prevent overheating and protect the furnace structure. |
Low temperature condensation vacuum furnace |
Yes |
The condenser needs to be cooled to maintain a low temperature environment to ensure the process effect. |
Small experimental vacuum furnace |
May not be needed |
The power is low or air-cooled design is adopted, but cooling is still required when running at high load. |
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
3. Key points for selecting chillers9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Cooling capacity matching9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Select the cooling capacity (kW) of the chiller according to the heating power (kW) of the vacuum furnace9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Usually, a 10%-20% margin needs to be reserved9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Temperature control accuracy9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
High-precision processes require chillers with a temperature control accuracy of ±0.1℃℃, while ordinary processes +1℃℃ can meet the needs9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Water quality and filtration9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Preferably select stainless steel water tanks and chillers with anti-corrosion design to avoid scaling and corrosion affecting cooling efficiency9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Redundancy and backup9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
It is recommended to configure dual chillers or backup cooling systems for key processes to prevent single-point failures from causing production interruptions
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Vacuum furnace with water chiller9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Click the picture to view detailed parameters
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
4. Exceptions9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Air-cooled vacuum furnace: Some small or low-power vacuum furnaces adopt air-cooling design and do not require a chiller, but the heat dissipation efficiency is low and is only suitable for light-load conditions.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Water-cooling kit alternative: If the vacuum furnace comes with a water-cooling kit (such as a circulating water-cooling coil), an industrial chiller or central cooling system can be connected externally.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
5. Summary and suggestions9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Situations where a chiller must be equipped:9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
The vacuum pump is oil-sealed or a diffusion pump/molecular pump.9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
The process temperature exceeds 200”C or needs to run at high temperature for a long time,9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
The process has extremely high requirements for vacuum or temperature stability (such as semiconductor manufacturing)9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Situations where a chiller can be omitted:9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
The power of the experimental vacuum furnace is low (<5kW).9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Adopt air-cooling heat dissipation design and the ambient temperature is suitable9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
9xmMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
Suggestion: When purchasing a vacuum furnace, the process requirements and equipment parameters should be clarified, and the model with a water cooling system should be given priority, and an industrial chiller should be equipped to ensure long-term stable operation. For existing equipment, power calculation and temperature monitoring can be used to determine whether a chiller is needed.