Bell Kiln, CY-16D

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CY-16D series bell kiln is an ideal choice for sintering Mn-Zn soft ferrite. It is designed with flexible operation, high control accuracy, lightweight structure, uniform atmosphere, and superb product quality.

Incepted in 2003, Changyuan has been a professional China sintering furnace manufacturer. We are committed to providing users operating in diversified markets with comprehensive metal powder heat treating solutions.

Technical Parameters

No.	Item	Bell kiln
1	Type	16 stacks
2	Dimension of each stack	420mm ×450mm ×1200mm
3	Capacity /stack (reference)	1600-2000kg/ furnace
4	Sintering temperature	1450℃ (max)
5	Time for insulation (1400℃)	5 hours (max)
6	Temperature uniformity (during insulation period)	±5℃
7	Heating rate	4 ℃/min (max)
8	Cooling rate	1450-900℃: 6-5℃/min 900-600℃: 5-4℃/min 600-300℃: 4-2.5℃/min 300-160℃: < 1.5℃/min
9	Temperature accuracy	±5 ℃ after insulation period
10	Temperature controller unit	27 groups (phase shift trigger; 4-20mA circuit control)
11	Cooling manner	circular cooling for gas in the furnace; cooled gases are controlled by manual valve
12	Cycle regulation	self-controlled circuit switch for cooled gas
13	Atmosphere	oxygen content: 21%-50ppm; several oxygen manual collection points
14	Atmosphere control accuracy (final value)	±5℃ when oxygen content is 21%~1%
15	Atmosphere control mode	open and close loop mode; oxygen dissociation curve: slash, polyline
16	Rubber discharge	automatically-controlled forced discharging system
17	Furnace pressure	-500~5000Pa; gas is discharged automatically when there is an overpressure
18	Waste gas treatment	exhausted out of the factory by a pumping system
19	Oxygen content test sensor protection	multi-point oxygen collection; protect sensor from the exhausted gas
20	Elevating system	kiln car is elevated by chain and tightened by a hydraulic system
21	Power supply	380V±7%, 3 phase 5 wire, 50Hz
22	Max sintering power	520Kw
23	Main control system	3D industrial computer; temperature control instrument from England; PLC; flow meter; frequency control system
24	Max nitrogen consumption (the purity is higher than 99.9995%)	2000L/min; automatically-controlled quick nitrogen feeding system, with the start time and rate (3000L/min at most) settable; oxygen consumption during magnetic core densification stage rages from 21% to 1%
25	Max air consumption	2000L/min
26	Cooling water (temperature: ＜35℃)	80 m3 /h (upon clients' request)
27	History record	temperature, oxygen content, and pressure are recorded every minute
28	Temperature curve	collecting 27 points and making several curves; recording the temperature in real time
29	Oxygen content curve	recorded on curve in real time
30	Consumption record	consumption of nitrogen and electricity of each furnace is recorded automatically
31	Nitrogen consumption	less than 100 ㎥ for each furnace except large product and in densification process
32	Remote monitoring	remote monitoring is available with a terminal password
33	Dimension	L13500 ×W6000 ×H5580 (mm) (reference)
34	Space required	L×W×H=29m×9.7m×6.5m (including 8m stretch track)
35	Furnace size	L×W×H=4500 ×1620 ×5500 (mm)
36	Inner furnace size	L×W×H=3900 ×1000 ×1300 (mm)

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