• Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores
  • Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores
  • Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores
  • Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores
  • Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores
  • Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores

Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores

Port: Shanghai, China
Production Capacity: 10 Sets Per Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
After-sales Service: Available
Warranty: 1 Year
General Outline Dimensions: 4500(L)X1450(W)X2750(H)mm
Effective Width of Belt Conveyor: W1000mm
Max. Opening Dimension of The Unit: 1100(L)×400(H)mm
Variable Speed Range of The Belt Conveyo: 100mm~1000mm/Min, Controlled by an Inverter

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Basic Info.

Model NO.
QHL-0.8/10
Power of Drive Motor
N=0.75kw
Total Weight of The Unit
1500kg
Outline Dimensions
2700(L)X1450(W)X1864(H)mm
Outline Dimensiono of Flux Storage Tank
1070mm
Mixing Motor of Flux Storage Tank
0.25kw
Heat Source of The Drying Durnace
Electric Heating
Trademark
Zhenhuan
Transport Package
Bare in Container
Specification
ISO
Origin
China
Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores
I. Description of equipment: Continuous Nitrogen shielded Nocolok aluminum radiator brazing furnace
II. Application of aluminum radiator brazing furnace: 
This line is designed for brazing aluminum heat exchanger cores by using non-corrosive flux (Nocolok Flux) under Nitrogen gas shield protection.
Our design is advanced, state-of-the-act, mature, wear well, environmentally-friendly.
Production flow: loading workpiece → flux spraying → drying → going through front curtain room (with nitrogen) → brazing (with nitrogen) → slag removing (nitrogen pre-heating) → going through static cooling room → going through rear curtain room (with nitrogen) → going through compulsive air cooling room → manual taking off cores from belt.

III. Composition of alumium radiator brazing furnace
The complete system mainly includes four sections: round-design flux spraying room, drying oven, brazing oven and control system.
- Degreasing or cleaning section (optional)
- Continuous flux spraying section (including flux mixing & feeding)
- Drying oven and its driving unit
- Front-curtain room of brazing section
- Brazing section & its driving unit
- Slag-removal room
- Static cooling room
- Rear-curtain room of brazing section
- Compulsive cooling room
- Electric control system
- Water & nitrogen supplying device

IV Main feature description:
4.1 Flux spraying section
- Whole body is made from stainless steel 304 and designed in reinforced structure, assuring long-life faultless serving.
- System can spray fluxes to core section and header plates accurately.
- Spraying nozzle is easily demountable.
- Round-cylinder design assures non-piling-up during fluxes collecting.
- A manual spraying section is added on exit of this spraying room, for partial increasing flux.
- Height of high-pressure fan blade is adjustable for better removing excess flux.
- One unit filter is provided in flux recycling system to avoid foreign objects damaging spraying pump.
4.2 Drying oven
- U-shape stainless steel tubular heating elements are mounted on both sidewalls of the oven, better radiating result.
- Internal surface and wind scooper are made from SS304, 1.5mm thick
- Transmitting belt is made from SS304, inverter control
- A cleaning & overhauling entrance is provided on the body.
4.3 Brazing oven
- Full oven is insulated by high-performance fiberglass wool, good thermal insulation. Temperature rising time (from ambient to 630°C) is only 2.5 hours. Heating consumption during brazing is less than 60% of installed power.
- Muff body is made from SS 304 and 316L, one 10m long plate folded, only two welding seams, very small deformation because of welding stress, very small deformation during working.
- Four sectional temperature control, high control precision (±1ºC); Temperature evenness in same section is within ±3ºC.
- Slag-removing room is equipped with separate Nitrogen pre-heating system which can heat nitrogen gas to 300ºC.
4.4 Temperature control system
- PID control by SHIMADEN original from Japan

V Technical data of aluminum radiator brazing fruance
ItemData
Belt center height850mm
Effective belt width800mm
Effective working height200mm (above belt)
Belt speed300~1000mm/min (inverter control adjustable)
Drying oven effective size7000 x 850 x 200mm (L x W x H)
Brazing oven effective size10000 x 850 x 200mm (L x W x H)
Total length39.2m
Total heating power410kW (drying 120kW + brazing 320kW)
Pure nitrogen gas supplying200m3/h (real consumption 80~100m3/h)
Applicable aluminum radiator coreMax. Width 700mm, length no limited
Production speed60~90 pieces/hour, typical 550 x 700mm cores

VI Technical specifications of aluminum radiator brazing furance

6.1 Flux spraying device (round cylinder shape)Aluminum Radiator Brazing Furnace Continuous Brazing Car Radiator Condenser Evaporator Cores
A) Function
- Even coating fluxes, no missing area
- Excess fluxes can be flowed away
- Equipped with manual coating area
- Equipped with fluxes recycling system
- Round-cylinder design for better recycling, less residual, good for wind circulating inside
B) Main data
ItemData
Belt center height850mm
Effective belt width850mm
Effective vertical height above belt200mm
Transmitting chainSUS304, horseshoe chain
Length of spraying room700mm
Length of blowing room800mm
Length of front entrance 1500mm
Length of manual spraying area1500mm
C) Components:
C1- Flux spraying device
 - Stainless steel body & frame; both sides with observing window, good seal; soft PVC curtain.
 - Pneumatic diaphragm pump from Taiwan PUMPSMITH, two pieces, one for spraying, one for recycling
 - Fan-shaped nozzles, quick detachable type, 9 pieces
 - Belt transmitting speed is inverter control, adjustable for different products
C2- Air blowing device
 - Mounted 15° on top of cores
 - Air flow: 40m/s, 550m3/h, 430mbar, blowing mouth width 1mm
 - Height above cores: 50~150mm, adjustable
 - Fan motor power: 7.5kW
C3- Flux tanks, two sets
 - SUS 304, Φ900 x 600mm height
 - Filter mesh is equipped for recycling
 - Tank is equipped with wheels, movable

6.2 Drying oven
1) Main data 
ItemData
Belt center height850mm
Normal working temperature200~250ºC
Max. Heating temperature350ºC
Oven temperature evenness±5ºC
Oven channel size850 x 250mm (effective 800x200mm)
Temperature control areaTwo (front 70kW, rear 50kW)
Temperature control methodPID
Heating elementU-shape stainless steel tubular heater
Transmitting beltSUS304 wires, Φ3mm + Φ 3.5mm
Total length10.5m (transmitting 1.8m + drying 7.7m + passive 1m)
    2) Oven structure
    -External surface and internal surface are steel plate welded structure
    - Each section has overhauling & slag-removing hole
    - Insulation material is aluminum silicate, completely filled between external and internal surface, solid structure.
    - One vortex blowing fun is mounted on top of oven, driving by 3kW SIEMENS motor; Wind speed on the surface of belt is not less than 4m/s.
    - Fan blades, axle and cover are all stainless steel.
    - Fan is designed in maintenance-convenient structure, convenient for adding grease and changing bearing.
    - ON/OFF of fan is interlocked with heating. Only fan is ON and heating elements become dry, heating can be started, thus ensuring long life of heating elements.
    - One exhausting fan is equipped for exhausting moisture inside the oven.
    - Oven external surface temperature rise is not more than ambient + 20ºC
    3) Driving device
    - Stainless steel transmitting belt
    - Delta inverter for speed control
    - Belt speed can be preset on HMI
    6.3 Front-curtain Room
    ItemData
    Total length1500mm
    Curtain material0.05mm SS316L foil + 0.18mm fabric
    Nitrogen inletone
    Door damper max. Open height200mm
    Damper elevatingmanual
    Room insulation thickness50mm
    6.4 Brazing oven section
    A) Main data
    ItemData
    Total length10m
    Effective size800mm (belt width) x 200mm (height above belt)
    Max. temperature700ºC
    Working temperature600~650ºC
    Temperature evenness±3ºC
    Temperature control5 sections, 10 zones, PID
    Designing power320kW
    Heating methodElectric heating wire (0Cr25Al5)
    Transmitting beltSUS316L wire, Φ3mm + Φ 3.5mm
    Max. allowable oxygen content50PPM
    B)Structure
    - External surface: steel plate welded structure
    - All walls are insulated by ceramic fiber pinprick flat, external surface temperature rise is not more than ambient temperature + 20ºC.
    - Heating elements: mounted outside of muff hearth, easy changeable
    - Muff hearth: SUS 316L 8mm whole-length folded into two parts and then welded by TIG first and arc welded later.
    - On bottom of muff hearth, there is stainless steel towing rail for hearth sliding because of expanding & contracting.
    - There are two nitrogen pipelines and one thermal couple inside the muff hearth.
    - There is a separate pipeline on muff hearth for internal atmosphere measurement.
    - There are total 10 thermal couples mounted on outside wall of muff hearth.
    - Temperature control in 5 sections, both top and bottom, quick responding speed, no dead zone
    - Electric heating wires can be drawn out from sides for changing or maintaining
    6.5 Slag-removing room
    A) Main data
    ItemData
    Room length1300mm
    Nitrogen pre-heaterOne unit
    Internal material316L
    Max. Nitrogen flow120m3/h
    Belt supporting rack≥Φ16mm SS pipe
    B)Main features
    - Flux in brazing section is melt. When coming to less-temperature slag-removing room, flux will coagulate and drop to bottom of this room.
    - Nitrogen pipeline is provided inside this room. Nitrogen gas for brazing atmosphere protection can be pre-heated through heat exchanger here. Nitrogen can be heated to 300ºC, thus saves electric consumption.
    6.6 Static cooling room
    ItemData
    Total length3200mm
    Internal surface materialSUS304, 6mm thick
    Air cooling fanFlow rate ≥20000m3/h
    Temperature of workpiece at exit≤200ºC
    - Compulsive air cooling
    - Side fences are designed into door type, openable for maintenance.
    - Nitrogen flow meter and distributor are mounted in this section.

    6.7 Rear curtain room
    ItemData
    Total length1500mm
    Curtain material0.05mm SS316L foil + 0.18mm fabric
    Nitrogen inletone
    Door damper max. Open height200mm
    Damper elevatingmanual
    Room insulation thickness50mm
    6.8 Air cooling room
    ItemData
    Total length3000mm
    Wind curtainPVC
    Blowing fantwo
    Exhausting fantwo
    Temperature of workpiece at exitNot more than 15ºC above ambient temperature
    6.9 Driving device
    - Driving motor is inverter control, Delta brand from Taiwan, speed adjustable
    - Under transmitting rubber roller, there is one steel wire brush for removing flux adhered on the belt.
    - Belt tension can be adjusted manually.
    6.10 Air pipeline & Nitrogen gas pipeline
    - Air pipeline: one exhausting fan for drying section, one for brazing section, four for air cooling section
    - Nitrogen gas flow is monitored by several flow meters. Nitrogen gas can be filled to desired section directly when necessary.
    - Nitrogen pipeline is equipped with electric-contact pressure meter which alarms when pressure is low.
    - Nitrogen gas supply requirement: pressure 0.3MPa, flow 200m3/h, purity 99.999%.
    - Impurity: O2<10.0ppm; H2<0.5ppm; Ar<3.9ppm; H2O<0.2ppm; CO<0.5ppm; CO2<0.2ppm; Others<0.2ppm.
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