1. Design and Construction of an Induction Furnace (Cooling System)
Presented By
MG THANT ZIN WIN
Roll No: Ph.D-M-7
3rd Seminar

2. Review on 2nd Seminar Types of Cooling Water System
- Open-circuit system with evaporative cooling tower
- Fan radiator (closed-circuit) system
- Dual system with Water/Water heat exchanger
- Dual system with closed-circuit cooling- tower
Selection of System

3. Presentation Outlines
Objective
Coreless Induction Melting Water System
1. Evaporative Closed Loop Water System
2. Dry Air Closed Loop Water System
Water System and Water Treatment
Conclusion

4. Objective
To study the coreless induction melting water system – Evaporative closed loop water system and Dry air closed loop water system
To know the water related problems such as water quality, water purification and maintenance, filtration for induction melting system
To give some knowledges of water system and water treatment for coreless induction furnace

5. Water Cooling Systems Evaporative Closed Loop Water System
Dry Air Closed Loop Water System

6. Evaporative Closed Loop Water System
Fig - General Diagram of the closed evaporative water system

7. Dry Air Closed Loop Water System
Fig – General Diagram of the closed dry cooler water system

8. Effects of Water Quality
Reduction in the ability to heat transfer
Electrochemical corrosion of tubing
Degradation of the electrical preference

9. Water Purification/Maintenance
Filtration
No moving parts to wear out
No screens, cartridges, cones or filter elements to replace
No backwashing
No routine maintenance or downtime requirements
No standby equipment needs
Low and steady pressure loss
Easily automated

10. Water Requirements Water Supply Steady Supply of Water and Pressure
Emergency Water Supply
- City water
- Battery or generator powered emergency pump
- Turbine pump
- Elevated emergency water storage tank

11. Effects of Impurities Conductivity Hardness Suspended Solids Acidity
Alkalinity
Slime and Algae biological fouling
Dissolved oxygen and corrosion

12. Conclusion
Water related problems may be over 50% of induction melting system downtime.
The life of electrical conducting components relies heavily on the quality of water supplied by the water system.

13. THANK YOU