Electric Holding Furnace for Continuous Annealing in Industrial Production Process

• Customization: Available
• Certification: ISO
• Place Style: Horizontal
• Model NO.: Htf4572-0611nh
• Range of Applications: Industrial
• Type: Electric Holding Furnace
• Usage: Steel Molding
• Fuel: Electric
• Furnace Tube Dimensions: Φ45(Od)*5*7200mm(L)
• Transport Package: Wooden Packaging
• Specification: 14850*950*1460mm(L*W*H)
• Trademark: Chitherm
• Origin: China
• HS Code: 8514101000
• Production Capacity: 50 Sets/Year

Product Description

1.Furnace Design
The entire equipment is primarily composed of a furnace chamber, heating tubes, cooling section, external framework, atmosphere control system, wire take-up mechanism, and electrical control system.

2. Technical Specifications & Basic Configuration
2.1 Rated Temperature: 1100°C
2.2 Maximum Temperature: 1150°C
2.3 Furnace Tube Dimensions: Φ45 (OD) mm × 5 mm × 7200 mm (L) × 4, 310S stainless steel
Cooling Section Dimensions: Φ45 (OD) mm × 5 mm × 7200 mm (L) × 4, 304 stainless steel
2.6 Maximum Heating Power: 90 kW
2.7 No-load Holding Power: ≤45 kW
2.8 Heating Zone Length: 6000 mm
2.9 Effective Heating Zone Length: ≥3000 mm
2.10 Temperature Uniformity: Within ±3°C in effective heating zone
2.11 Tube Spacing: 80 mm
2.12 Heating Elements: Silicon Carbide (SiC) Heating Rods
2.13 Heating Method: Top & Bottom Heating
2.14 Number of Temperature Zones: 6 zones
2.15 Temperature Control Points: 6 points
2.16 Thermocouple Type: Type N (NiCr-NiSi)
2.17 Temperature Control Stability: ±1°C, with PID parameter self-tuning function
2.18 Process Atmosphere: Nitrogen/Hydrogen (N₂/H₂)
2.19 Gas Inlet: Location: Between high-temperature zone and cooling section
2.20 Exhaust Outlet: Location: At furnace tube inlet end
2.21 Maximum Heating Rate: 10°C/min
2.22 Cooling Method: Circulating Water Cooling in cooling zone
2.23 Outlet Water Temperature: ≤30°C
2.24 Transition Platform: Length ≥3500 mm
2.25 Take-up Speed: 300-2750 mm/min
2.26 Surface Temperature Rise: ≤35°C
2.27 Alarm & Protection: Audible & visual alarms for over-temperature, thermocouple breakage, low air pressure, low water pressure, motor overload, etc.; over-temperature alarm with heating cut-off protection
2.30 Overall Dimensions (Reference): 14850 × 950 × 1460 mm (L × W × H), excluding transition platform and pay-off/take-up devices. Actual dimensions subject to final product specifications.

3.Equipment Delivery Checklist

Table 1: Delivery Summary
	Category	Description	Qty
Basic Components	Kiln Main Unit		1 set
	Wire Take-up Machine	Four-axis Eight-spool	1 set
	Inspection Certificate	Certificates of conformance for major external components	1 set
	Technical documents	User Manual & Technical Documents for Major Purchased Components	1 set
Critical Components	Silicon Carbide Heating Elements		Complete set
	Temperature Controller	Imported from Japan	1 set
	Thermocouples		6 units
	Water Chiller	Model CA-05	1 unit
Spare Parts	Solid State Relay (SSR)		1 unit