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Nanjing Nianda Furnace Science and Technology Co., Ltd.

Furnace, Industrial Furnace, melting furnace manufacturer / supplier in China, offering Roller Hearth Copper Coil Bright Annealing Furnace, Bogie Hearth Aging Furnace, Suspansion Chain Type Half-Axle Quenching And Tempering Furnace (Industrial Furnace) and so on.

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Supplier Homepage Product Heat Treatment Equipment for Copper Industry Roller Hearth Copper Coil Bright Annealing Furnace

Roller Hearth Copper Coil Bright Annealing Furnace

FOB Price: US $5,000 / Piece
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $5,000/ Piece
Get Latest Price
Production Capacity: 1-15
Transport Package: Steel Sheet
Payment Terms: T/T
Basic Info
  • Model NO.: ND-BA-1100
  • Condition: New
  • Automatic Grade: Automatic
  • Certification: ISO, CE
  • Specification: custom design
  • HS Code: 8514901000
  • Customized: Customized
  • Power Source: Gas
  • Type: Industrial Furnace
  • Trademark: Nianda
  • Origin: China
Product Description
1.  Public Utility Condition:
(1) Power Supply : 380V AC
Ø  Voltage Fluctuating Range:-10%~+15%
Ø  Frequency and Fluctuating Range:50Hz±1Hz
 
 (2) Water Resource Condition
Ø  Water Quality:
Item

         Value
Average Value 
 
PH Value
PH( PH )
7.76 
Total Water-hardness
(CaCO3,mg/l)
339 
F-(mg/l)0.25 
Remain Value of Chlorine
(mg/l)
0.08 
Water Turbidity0.31 
Electrical Conductivity
us/cm 
520 
 
Ø  Water Supply Pressure:  0.3MPa
(3) Compressed Air
Ø  Network Pressure: 0.3~0.5MPa  Relative Humidity: 40~60%
Ø  Pressure of Dry Compressed Air: 0.4~0.6MPa
 
2.  Purpose
It is used for bright annealing of the copper rod. The maximum working temperature of the furnace is 650ºC.
,650ºC.
 
3.  Design Requirement
Throughput: 5000kg/h
: 5000kg/h
Maximum Working Temperature : 650ºC
:650ºC
Working Temperature : 600ºC
:600ºC
Diameter of Copper Rod: 8mm
:8mm
Diameter Copper Coil: ≤1800mm
:≤1800mm
Weight per Coil: 5000kg
:≤5000kg
Roller Conveyor Transmission Speed: 1m/min (Low Speed), 6m/min (High Speed )
:1m/min();6m/min()
Temperature Control Deviation: ≤±5ºC
:≤±5ºC
Grain Size After Annealing: 0.01-0.045mm
:0.01-0.045mm
Quality of Annealing Treatment: The copper rod is free of scratch, oxidation and dirt in the surface, it will be bright and maintain its metal nature. The final copper oxide in the copper rod must not be changed from the inlet in the furnace to the exit. 
:,,,,,. .
Protective Gas: Nitrogen
:
Thermal Efficiency : Above 50%
:50%
Skin Temperature: ≤ ambient +30ºC
:+30ºC
Workpieces Exit Furnace Temperature: ≤60ºC
:≤60ºC
Heating Method: Natural gas, indirectly heating (Gas Radiant Tube)
:()
 
4.  Working Process Requirements
4.1. Use
It is used for bright annealing of copper rod.
.
4.2. Product Quality after Treatment
Quality of Annealing Treatment: The copper rod is free of scratch, oxidation and dirt in the surface, it will be bright and maintain its metal nature. The final copper oxide in the copper rod must not be changed from the inlet in the furnace to the exit.
,,,,,..
4.3. Specification of Workpieces
Outer Diameter of Copper Rod: 8mm
: 8mm
Outer Diameter of Copper Coil: ≤1800mm
:≤1800mm
Height of Copper Coil: ≤1000 mm
:≤1000 mm
Weight of Coil: ≤5000Kg/Coil
:≤5000Kg/
 
5.  Description of Working Process
ü  Workpieces and trays are transferred onto loading table by over-head crane, ready to enter into the furnace for annealing.
,.
ü  Front door of vacuum chamber opens, workpieces with the trays are conveyed into the vacuum chamber through conveyor. After the workpieces are conveyed to the right place, front door will be closed for vacuuming and filling nitrogen (twice) and prepare for heating.
,,,,().
ü  Rear door of vacuum chamber opens, meanwhile, front door of heating chamber shall open, and workpieces with the trays shall be conveyed into the heating chamber for heating under protective atmosphere. The workpieces move forward/backward to ensure a uniform heating.
,,.,.
ü  After heating is finished, rear door of heating chamber shall open, and workpieces with the trays shall be conveyed to cooling chamber for cooling. Heat generated by workpieces is exhausted out by circulating fan and heat exchanger. When convectively cooling, workpieces remain in a stillness state.
,,.,.
ü  Front door of vacuum water-cooling chamber shall open, and the trays with the workpieces shall be conveyed into vacuum water-cooling chamber by the roller conveyor. The rollers and trays with the workpieces shall be dropping into the water for cooling.
,..
ü  Rear door of vacuum water-cooling chamber shall be open after the cooled workpieces are being lifted up, and the trays with the workpieces shall be conveyed to unloading table by the roller conveyor, then operator shall pick off trays and workpieces with the over-head crane.
,,,,.
ü  Rear door of vacuum water-cooling chamber shall close, and perform vacuuming and filling nitrogen (twice), then waiting for next cycle.
,,(),.
ü  The above process will be performed one by one, and repeated in a cycle. The furnace can be applicable to the mass production of workpieces with the same working process; for those which have the different processes, the former process time should be shorten than the latter process time. If the latter process is shorter than the former one, the empty trays shall be used to make up time difference of process.
,....,.
 
6.  Characteristic of Equipment Structure
6.1. This furnace is applicable to bright annealing of copper rod. It also widely used in other fields with the large output capacity.
.,.
6.2. Workpieces are placed on the tray. All the workpieces placed on the trays shall be able to treated inside the furnace.
,.
6.3. It is equipped with front pre-vacuum device, the air inside the chamber shall be pre-exhausted before the workpeices are entering into the vacuum chamber, then filling nitrogen for atmosphere protection. Vacuum shall be performed twice in order to remove the air from the furnace chamber and the coil. 
,,.2.
6.4. It is equipped with rear vacuum device, to ensure the atmosphere shall not be influenced while the workpiece exited from the furnace and reduce the N2 consumption.
,,.
6.5. Automatic control shall be enabled if It is equipped with Industrial computer control system. Meanwhile, data will be saved and working process will be selected automatically.
,,.
6.6. Through combination of PLC and optoelectronic measurements, it can realize on-line tracking and analog modification display, as to realize human-computer communication.
PLC,,,.
6.7. The furnace adopts individual cooling cell, each cell can be separately controlled to ensure the cooling effects. The convection forced air shall evenly and thoroughly cool down workpieces.
,,,,.
6.8. Equipment Safety with Protection Atmosphere: From loading to unloading, each furnace zone is equipped with safety protection and automatic pressure relief protection. Especially in heating zone, not only automatic pressure relief is designed, but also anti-explosion holes are designed at two ends of the furnace. If over-pressure is instantly happened, the pressure can be promptly let out. Thus the equipment and workshop are safely protected.
:,.,,.,,.
6.9. For guarantee the uniformity of protection atmosphere and make the full use of it, gas conduit grid is equally arranged at furnace bottom. The gas supply amount at all gas supply interface is controllable.
,,..
 
7. Configuration of Equipments
No. Item Description
   
Quantity
  
1
Loading Table

1 Set
2
Front Vacuum Chamber

1 Set
3
Heating Chamber

1 Set
4
Cooling Chamber

1 Set
5
Burner System

1 Set
6
Vacuum Water-cooling Chamber

1 Set
7
Unloading Table

1 Set
8
Electrical Control System

1 Set
 
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