Brass Vacuum Distillation Furnace
The Brass Vacuum Distillation Furnace, also referred to as the Copper-Zinc Alloy Vacuum Distillation Furnace (Cu-Zn VDF), is a cutting-edge system that combines smelting and vacuum distillation processes to effectively separate copper-zinc alloy components.
Key Functionality and Features
- Integrated Processes: This innovative furnace integrates both smelting and vacuum distillation, optimizing the purification of copper-zinc alloys.
- Volatilization and Condensation: The system leverages the unique volatilization and condensation properties of different metals. By manipulating these properties, it efficiently separates zinc from zinc-copper alloys.
- Vacuum Conditions: The furnace operates under vacuum conditions, which allows for the exploitation of variations in saturated vapor pressure. This results in the selective evaporation of zinc, facilitating its separation from the alloy.
Features
- High Purity: The process ensures a high level of purity in the separated metals, making it suitable for various applications in the precious metals industry.
- Efficiency: By utilizing vacuum technology, the furnace enhances the efficiency of the separation process, reducing energy consumption and operational costs.
- Versatility: The Brass Vacuum Distillation Furnace is adaptable for different sizes and compositions of copper-zinc alloys, making it a valuable tool for recycling and refining operations.
Input raw material and Output Product
This furnace represents a significant advancement in the processing of copper-zinc alloys, providing a reliable solution for the extraction of high-purity zinc and copper.
|
S/N |
Input raw material |
Specification |
Remark |
|
1. |
Copper- zinc alloy |
Cu=80~85% |
Also known as brass |
|
Zn=15~20% |
| S/N |
Output Product |
Specification |
Remark |
| 1. |
Crude Zinc |
Zn= 95~98% |
For sale or send to zinc plant for zinc refining processing |
| 2. |
Crude Copper |
Cu=95~98% |
For sale or send to copper plant for copper refining processing |
Cu-Zn VDF configuration
Developed by Darnal Group China, the Cu-Zn VDF comprises the following key components:
|
S/N |
Key sub-system of Cu-Zn VDF |
|
1. |
Main vacuum furnace chamber |
|
2. |
Electrical control system |
|
3. |
Vacuum pumping system |
|
4. |
Protective gas system |
|
5. |
Circulating cooling water system |
Principle of Vacuum Distillation:
This process takes advantage of zinc's relatively low boiling point (907°C). Under vacuum conditions, zinc vaporizes, rises rapidly, and contacts the condenser, where it re-condenses into liquid metallic zinc. This liquid is then collected in a special designed collector.
Main Parameters
| S/N |
Parameter |
Specification |
Remark |
| 1. |
Power Supply |
500 kW (typically operates at ~300 kW) |
500kW is the peak power consumption |
| 2. |
Capacity |
2~3 ton/batch |
6 batches per 24 hours |
| 3. |
Batch Processing Time |
3~4 hours per batch |
Actual melting and distill duration depends on the raw materials chemical composition. |
| 4. |
Power Consumption |
700-900 kWh |
\ |
Main sub-assemblies
| S/N |
Component |
Description |
| 1. |
Power Control Cabinet |
Manages electrical supply and controls power distribution. |
| 2. |
Melting Furnace |
Heats and melts the copper-zinc alloy for processing. |
| 3. |
Zinc Collection Tank |
Collects the condensed zinc after the distillation process. |
| 4. |
Condensation Device |
Facilitates the cooling and re-condensation of zinc vapor. |
| 5. |
Vacuum System |
Maintains the required vacuum conditions for the distillation process. |
| 6. |
Water System |
Provides cooling and circulation for temperature regulation. |
Process Flow description
| Process Steps: | Melting and Distillation→ Zinc Condensation→Zn/Cu separation→collect crude zinc→collect crude copper |
| Output: |
Zinc liquid collected in the zinc collector. Copper liquid retained in the melting furnace and collected by pouring copper liquid out of the hearth. |
Reference photos
Cu-Zn alloy distillation furnace
Main Production processes:
Charging raw materials
Install Zinc collector
Fasten Zn condeser
Take Zn condenser after distillation
Pour Copper liquid out of the hearth
FAQs
Q: What payment terms are accepted?
A: Letters of Credit (LC), Telegraphic Transfers (TT), and cash are accepted. Terms can be adjusted according to international trade practices.
Q: Do you provide installation services?
A: On-site installation is available. We also offer online guidance, training videos, and detailed manuals.
Q: What are the raw materials and output products of the project?
A: The raw material used is scrap copper-zinc alloy (brass), and the output products are crude zinc and crude copper.
Q: Does the system support unmanned production and traceability?
A: Yes, the system features PLC-controlled unmanned operation, which automatically records batch data and includes traceable marking for full accountability.
Q: Can the brass vacuum distillation furnace handle large copper-zinc alloy parts or ingots?
A: It is recommended that clients crush large copper-zinc (brass) parts or ingots into smaller pieces. This enhances the efficiency of melting and the separation of copper and zinc.
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