
Code	Name		Length	Note
A	Total length		50900mm
B	Load/ unload table		1000mm	The length of load and unload table is the same, and the height from the ground is 1000 ± 50mm
C	Furnace frame		48900mm
D	Entrance vestibule part		370mm	Including air curtain
E	Entrance insulation part		600mm	Ceramic fiber material insulation transition
F	Heating part		27900mm	31 temperature zones,the length of each zone is 900 mm, and power of each zone from 1-10 zone is 24 kW, the power of each zone from 11-31 zone is 22 kW. Totally is 702KW
G	Free cooling part		2100mm	No heating element, use thermal insulation material
H	Cooling part		12225mm	Six sections water-cooled steel sleeve (coil type), adjustable flow rate. One point water temperature detection, including 350mm air-cooleded sleeve (air curtain, soft curtain)
I	Exit air cooling part		5705mm	High air volume forced air cooling
K	Equipment height		2000mm	Excluding chimney and foundation height
L	Equipment operation panel position
Chamber structure		Adopting segmented and openable stainless steel inner structure
Effective height		30mm
Furnace weight		About 80000kg
Dimensions		50900×3730×2000mm(L×W×H), excluding foundation, chimney and indicator light
Appearance color		Outside panel uses high temperature spraying coating and off-white color.
Special requirements		With belt drying function

Rated temperature	500ºC
Maximum temperature	600ºC
Heating element	Heating wire (belt cross-section divided into 7 sections for heating)
Heating power	702kW
Heat preservation power of empty furnace	≤120KW
Number of temperature zones	31 zones
Temperature control points	218 points (7 points for temperature control in each zone; 1 point for water temperature detection)
Thermocouple	K type
Surface temperature rise	<35ºC
Discharge temperature	<60ºC(typical belt speed)
Temperature control stability	±1ºC
Temperature uniformity	±2ºC(Constant temperature zone)

Belt width	2500mm
Belt specification	B251014
Belt material	SUS316
Maximum load	15Kg/m²(excluding belt weight)
Transmission mode	Friction drive with large wrap angle
Speed range	300-2000mm/min, variable frequency stepless speed regulation. Design belt speed 975mm/min
Drive system	The drive control adopts frequency converter to drive the motor, which is controlled by reducer, and the speed is continuously adjustable
Transmission structure	Belt conveyor device: to drive the driving and drived 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.
Belt cleaning mode	Ultrasonic cleaning machine


Atmosphere control system		Including air inlet pipes, exhaust system
Air inlet pipes: The range of firing discharge assisted flow meter is 28~280L/Min, and the range of other flow meters is 48~480L/Min
A	Entrance air curtain		Entrance air curtain (divided into 5 pipes of air intake), with each flow meter measuring range is 48-480L/min
B	Heating part air inlet		Fresh air replenishment (divided into 5 pipes of intake), with each flow meter measuring range is 48-480L/min
C	Rubber discharge air inlet		Set up one set of exhaust gas collection pipeline and filtration system, with micro pressure negative feedback control, connected to the chimney, and a drainage capacity ≤ 50m3/min
D	Firing air inlet		1 pipe of air intake (divided into 5 pipes of air intake), with each flow meter measuring range is 48-480L/min, distributed in the last water jacket of the water-cooled section
E	Exit air curtain		Exit air curtain (divided into 5 pipes of intake), with each flow meter measuring range of 48-480L/min
F	Cooling part exhaust		In the air cooling area, the blower blows air, and the air displacement is about 150m3/min
Each atmosphere flow meter displays the actual flow rate

Cooling structure	Stainless steel cooling jacket surface mounted water-cooled coil
Cooling mode	Water cooling
Cooling detection	Cooling water jacket 1-point water temperature detection
Alarm indication	Low water pressure alarm and overtemperature alarm

Belt stop button	One stop button is set for each entrance and exit end plate. After pressing it, the belt stops running
Alarm indication	Overtemperature, temperature deviation, frequency converter alarm, thermocouple broken, low air pressure, low water press and parts overrun ureaudible and visual alarm

Temperature measurement	Each control and detection point is independently measured using K-type thermocouples
Control instruments	Adopting imported intelligent module control. It has multiple alarm protection functions such as PID parameter Self-tuning, high temperature upper limit alarm, thermocouple failure indication, etc
Heating control	The heating part is powered by multiple AC contactors in groups to reduce the instantaneous current impact of the equipment on the power grid
Control mode	Solid state zero crossing
Overtemperature treatment	In case of overtemperature in a certain temperature zone, the temperature overtemperature alarm system of the temperature zone will immediately send out audible and visual alarm signals, cut off the heating in the corresponding temperature zone at the same time, and the buzzer will send out continuous alarm sound
Computer control system (option)	DCS (distributed control system) control system is adopted
	Lower computer, intelligent instrument control, upper computer monitoring
	Friendly man-machine interface, multiple programs are stored, which is convenient for users to edit and call
	Real time display of temperature and alarm status.The data can be stored and printed out.
	Provide furnace temperature calibration function to better fit process requirements
	Provide MES communication function; The communication protocol is: ModbusTCP communication protocol; The communication port is: RJ45

Annealing Furnace for PV Cells

Basic Info.