300mm Belt Width High Temperature Firing Furnace of Copper Paste Chip Electronic Component

• Customization: Available
• After-sales Service: 12 Months
• Warranty: 12 Months
• Model NO.: HSA3003-1411ZNO
• Certification: CE, ISO
• Structure: Horizontal Type
• Brand: Hengli
• Belt Speed: 25-250mm Per Min
• Temperature Control Stability: +-1c
• Temperature Uniformity: +-2c
• Zone Number: 14
• Transport Package: Wooden Box Iron Bracket
• Specification: 10980*1200*1350mm
• Trademark: HENGLI
• Origin: China
• HS Code: 8514390090
• Production Capacity: 800set/Year

Product Description

1. Technical requirements of HSA3003-1411ZNO Belt Furnace
2. Model:HSA3003-1411ZNO Belt Furnace
3. Basic configuration
4. This furnace is designed for dry curing and high temperature firing of copper paste chip electronic component (75*50*1mm), laminated capacitance etc.
5. Rated Temperature: drying section: 130ºC, firing section: 950ºC
6. Max Temperature: drying section: 150ºC, firing section: 1050ºC
7. The Effective Height of the Product: ≤30mm
8. Belt Width: 305mm
9. Belt material: Cr20Ni80
10. Belt specification: wire diameter 1.8*2.2, gridding 10*14, balance type belt
11. Max Load:35Kg/m²(exclude belt weight)
12. Drive System: Big wrap angle friction drive
13. Belt Speed: 25~250mm/min, servo motor speed regulation, typical belt speed: 110~120mm/min
14. Heating Element: use infrared tube for drying section and FEC heating board for firing section
15. Furnace chamber of drying section: stainless steel liner
16. Muffle structure of firing section: two muffles in one type muffle, Inconnel601
17. Firing atmosphere: nitrogen + compresses air
18. Atmosphere Control: 9 nitrogen pipes (zone 1~5: nitrogen mixed with compressed air according to process requirements), 5 compressed air pipes.
19. Exhaust System: 5 exhaust stacks at pre-heating zone
20. Cooling Mode: use water cooling
21. Belt cleaning mode: ultrasonic cleaning and brush cleaning
22. The Layout of Furnace Structure:(please see no.3.1 for details).
23. Temperature Control Stability: ±1ºC
24. Temperature Uniformity: ±2ºC(Flat-Temperature zone)
25. Temperature test description: adjust the belt speed to required speed, put two thermocouples on the belt according to the below picture (ceramic substrate under the probe of each thermocouple), and then put ten rows of ceramic substrate before the thermocouples, use temperature test software record the temperature every second when the thermocouples enter into the furnace.
    Requirement: temperature uniformity: ±2ºC (temperature difference of two thermocouples at the same time, temperature difference not exceeding 4ºC)
26. 
27. Zone quantity: 14 zones. (3 zones for drying and 11 for firing)
28. Temperature Control Point: 14points (3 zones for drying and 11 for firing)
29. Temperature Test Point: 14points (3 zones for drying and 11 for firing)
30. Thermocouple: K type
31. Oxygen content: eight points (nitrogen source, heating up zone (four points), high temperature zone, cooling zone (two points)) are connected in parallel to oxygen analyzer(Shanghai Changai). Testing switcher point can be chosen through magnetic valve. The oxygen content in the chamber can be real time detected and the gas inflow is easy to adjust & choose. An additional test pipe reserved for external oxygen analyzer.
32.  Oxygen Content: under pure nitrogen atmosphere
33. Heating up zone (include 150ºC & 600ºC temperature points) ≤10ppm+ oxygen content from gas source.
    High temperature zone (1050ºC temperature point) ≤10ppm+ oxygen content from gas source
    Cooling zone (1050ºC temperature point)≤10ppm+ oxygen content from gas source.
34. Emergency Stop Button: Two emergency stop buttons at the entrance and exit of the furnace (1 for stopping the belt, 1 for switching off the power).
35. Alarm instructions: over temp, belt slip, overload, thermocouple failure, low gas pressure, product discharging alarm other audible and visual protection.
36. Compressed air consumption: about 10~15m³/h
37. Compressed air working pressure: 0.4~0.6Mpa. (total gas inlet with two stage voltage stabilizer)
38.  Nitrogen Consumption: about 35~55m3/h(Taking the actual process demand volume as the criterion.)
39.  Nitrogen working pressure: 0.5~0.7Mpa
40.  Cooling water Consumption: 1m3/h
41.  Cooling water working pressure: 0.15~0.25Mpa
42.  Cooling water temperature: less than 20ºC
43.  Water temperature test: 1point
44. The Temperature of Furnace Surface:<Rt+35ºC
45. Discharging Temperature: <45ºC. (under belt working speed 110mm/min)
46. Heating Power: 64Kw
47. Insulation Power of Empty Furnace: ≤22Kw.
48. Power: Capacity >86KVA, 3 phase 5 line, 220/380VAC,50Hz. Phase 1 (L1): red,       Phase 2 (L2): yellow, Phase 3 (L3): blue, Neutral (N): black, Grounding wire (PE): green with yellow stripes.
49. Weight: About 4500Kg
50. Overall Dimension: 10980×1200×1350mm (L×W×H). (Exclude exhaust stack and alarm lamp).
51. Furnace Appearance: outside panel uses high temperature spraying coating and off-white color.
52. Entrance/exit with 220 VAC power socket
53. Special structure instruction: it is easy remove of drying section for inner muffle maintenance. Polyurethane Treatment on wheels of entrance/exit
54.  
55. General Description
56. The furnace is divided into four major sections: furnace body, atmosphere control system, temperature control system and drive system.
     
57. Furnace body design
58. Please see Table 1 and figure 1 for detailed layout of the furnace structure.
    
                            
    Figure 1:Furnace Layout Drawing
    
     

    Table 1
    No.	Name	Length	Note
    A	Total Length	10980mm
    B	Load Table	3000mm
    C	Drying Section	940mm	Three zones, the power of each zone: 3kw
    D	Drying Firing Transition Section	300mm	Dismountable organic glass cover
    E	Firing Entrance Transition	510mm
    F	Heating Section	3630mm	11 zones, the length of each zone: 330mm, power: 5kw
    G	Insulation Section	500mm	No heating elements, Insulation material
    H	Water Cooling Section	1500mm	No insulation material, water cooling aluminum radiator panels
    I	Unload Table	600mm
    J	Furnace Height	1350mm
    K	Equipment operation panel position

59. Atmosphere Control System Design
60. There are 14 atmosphere pipes: The measuring range of 9 nitrogen flowmeters is 0~600SCFH (zone 1~5: nitrogen mixed with compressed air according to process requirements, adjust oxygen content of heating up zone, the measuring range of each compressed air: 0~200CCM), 5 venturi exhaust compressed air. Please see the Figure2 and table 2 for detailed gas layout.
    
    Figure 2:Gas Layout Drawing

    Table 2
    NO.	Name	Description
    A	Entrance Curtains	Prevent outside air from entering the chamber, entrance curtain is divided into two parts, the volume of each part can be distributed
    B	Gas inlet of zone 1	Used for normal nitrogen supplement of zone 1,nitrogen mixed with compressed air according to process requirements, adjust oxygen content of heating up zone
    C	Gas inlet of zone 2	Used for normal nitrogen supplement of zone 2,nitrogen mixed with compressed air according to process requirements, adjust oxygen content of heating up zone
    D	Gas inlet of zone 3	Used for normal nitrogen supplement of zone 3,nitrogen mixed with compressed air according to process requirements, adjust oxygen content of heating up zone
    E	Gas inlet of zone 4	Used for normal nitrogen supplement of zone 4,nitrogen mixed with compressed air according to process requirements, adjust oxygen content of heating up zone
    F	Gas inlet of zone 5	Used for normal nitrogen supplement of zone 5,nitrogen mixed with compressed air according to process requirements, adjust oxygen content of heating up zone
    G	Firing gas inlet	Used for control flow direction of furnace chamber, prevent colloid pollution
    H	Firing gas inlet	Used for control flow direction of furnace chamber, prevent colloid pollution
    I	Exit curtains	Prevent outside air from entering the furnace
    1	Venturi Exhaust Gas Inlet of zone 1	Use compressed air, gas displacement is controlled by adjust pumping pressure
    2	Venturi Exhaust Gas Inlet of zone 2	Use compressed air, gas displacement is controlled by adjust pumping pressure
    3	Venturi Exhaust Gas Inlet of zone 3	Use compressed air, gas displacement is controlled by adjust pumping pressure
    4	Venturi Exhaust Gas Inlet of zone 4	Use compressed air, gas displacement is controlled by adjust pumping pressure
    5	Venturi Exhaust Gas Inlet of zone 5	Use compressed air, gas displacement is controlled by adjust pumping pressure
    9 nitrogen pipes, the actual gas flow of each pipe can be displayed by flowmeters. The actual pumping pressure is displayed by mechanical differential pressure gauge in all the five pumping pipelines, and the data of pumping pressure can be stored at the same time.

61. The Design of Temperature Control System
    1. 1. Temperature Measuring: use K type thermocouple independent measuring and control on the temperature control/test point
       2. Control component: use imported temperature modular control, with high temperature upper limit alarm, low temperature lower limit alarm, thermocouple failure and other protective alarm functions.
       3. Control Mode: phase-shifting power regulation
       4. Over Temperature Alarm: when over temperature occurred in some zones, over temperature alarm system in corresponding zones immediately send audible and visual alarm signal and meanwhile the heating is cut off, the buzzer sounds alarm
62. Drive System Design
    1. 1. Drive Control uses servo drivers drive servo motor to control the speed by gear box. The speed is adjustable continually
       2. Belt conveyor device: to drive the driving and driven wheel through chain and sprocket wheel, and then generate the friction force by driving wheel and the belt drive the belt running. There is a belt deviation guide device on the both sides at the entrance and exit.
63. Computer Control System
    1. 1. Use DCS control system, PLC + modular control system as lower computer and industrial computer monitor
       2. Friendly man-machine interface
       3. Industrial computer can carry out multiple programs saving, real-time temperature and alarm record, data saving and printing and other functions.
       4. It also can provide the temperature calibration function in the chamber for adjusting process requirement.
       5. Reserved data upload connector, IT system of customer can read data of the furnace (no need to modify the software)
64. 4,Equipment Composition
    Packing List is as below:

    Table 3
    	Name	Main Content	QTY
    Basic Parts	Furnace		1 PEC
    	Inspection Certification	Main Purchased components certification	1 SET
    	Technical Documents	User's Manual etc	1 SET
    The key parts	Heating elements	Infrared lamp + FEC heating board	14 SETS
    	Drive motor		1 SET
    Spare Parts	Solid State Relay		4 PCS
    	Heating elements	Infrared lamp + FEC heating board	4 SETS