Electric Glass Furnace Borosilicate Glass High Efficiency Melting Furnace
1. Brief Description
In 1902, Voelker was granted a basic patent for melting glass using the heat generated by an electric current through the batched material. Under the continuous development and improvement of the furnace design technology and electrode, this electric melting method is extensively used.
Between the year 1920 to 1925, Raeder from Norway used graphite electrode for furnace, which has successfully achieved a fully electric furnace.
In 1925, Corneljus from Sweden took this kind of electric furnace to produce amber glass and green glass. The electric melting furnace adopts the method of blanket charging and the batching material floats on the surface of glass liquid
Glass is an electric conductor under high temperature. There are alkali metal and potassium ions in melted glass liquid. These two ions have conductivity, when the electricity through the glass liquid, the joule heat will be produced, if there is enough calories produced, it can melt the glass, which is called “Glass Electric Melting”.
2. Advantages of the electric melting:
| Item | Description |
| 1 | High thermal efficiency, up to 80%-85% |
| 2 | More engergy saving |
| 3 | Small footprint |
| 4 | Simple structure |
| 5 | No pollution |
| 6 | Lower noise level |
| 7 | Less maintenance cost |
3. Furnace structure
| Item | Description |
| 1 | Melting tank |
| 2 | Throat |
| 3 | Forehearth |
| 4 | Spout |
4. Melting Section of Electric Furnace
Using cooling top vertical melting type theory, which will concentrate the melting process. The design of melting area is benefited for glass melting and homogenization, no death zone in melting scope, that will ensure the melting efficiency of glass materials and clarification, producing high quality glass liquid.
5. Techncial Advantages
| Item | Description |
| 1 | 3D modeling design |
| 2 | Single/double/multi pass regenerator |
| 3 | Chimney located at the top of regenerator |
| 4 | Unique port structure |
| 5 | Deep refining technology |
| 6 | Unique throat cooling structure |
| 7 | Optimized tank wall cooling arrangement |
| 8 | Underport burner firing technology |
| 9 | Separate regenerator chamber technology |
| 10 | Electrical boosting technology |
| 11 | Bubbling technology |
| 12 | Intelligent single/dual fuel combustion system |
| 13 | Rich oxygen combustion technology |
| 14 | Full oxygen combustion technology |
| 15 | Induced draft fan exhaust technology |
| 16 | Injector fan exhaust technology |
| 17 | Key structure pre-assembly before delivery |
| 18 | Low energy consumption and long life technology |
| 19 | Advanced and reliable computer automatic control system (PLC/DCS, SCADA) |
| 20 | Low environmental impact |
| 21 | Flue gas treatment technology |
| 22 | Waste Heat recovery technology |
5. FAQ
Q: Who we are?
A: JEFFER Engineering and Technology Co., Ltd is a professional engineering company specialising in project design, engineering technology consulting, engineering, procurement, construction (EPC), and project operation management.
Q:Can you offer design service?
A: Yes, we could design full solution drawings as per your requirements.
Q: Do you offer installation on site overseas?
A:Yes, we can provide our engineer to supervise the installation work on site or provide the the whole installation team on site to finish the project.
Q: How can I get the price?
A: For product line, please provide the detailed specfication of the production you want to product, then we will privode an economic plan for your reference. For engineering service, please provide your requirement, we will provide the detailed schedule and plan for your reference
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