Continuous Multi-Car Annealing Furnace for Castings

• Type: Industrial Furnace
• Certification: CE
• Place Style: Horizontal
• Range of Applications: Industrial
• Fuel: Gas
• Usage: Industrial Furnace
• Model NO.: ND-TF-300
• Transport Package: Steel Sheet
• Specification: CE
• Trademark: Nianda
• Origin: China
• HS Code: 8514901000
• Production Capacity: 1-15

Product Description

1  Equipment Application 






This equipment is supplied for kinds of core with water base painting drying. 

2  Facility Requirement 
  Power Supply: 3 phase 4 wire system, 415/240V±10%,50Hz±5%.
  LPG main pipe pressure: 15kPa, Calorific Value: 10000Kcal/m3. 
  Compressed air pressure: 0.5MPa~0.7MPa
  On-site condition: 
-        Out door temperature: -10ºC~40ºC. 
-        In door temperature: above 0ºC.
-        Relative Humidity of out door: 61%~81%
  
-        -10ºC~40ºC,
-        0ºC
-        61%~81%

3   Equipment Configuration 
 

NO.	Item	Quantity
1		2 Sets
2	Load/unload roller conveyor	2 Sets
3	Furnace Body	1 set
4	Heating Chamber	3 sets
5	Air-curtain System	2 sets
6	Exhaust Piping (Length confirmed later)	Pipe from furnace body to inlet of fan.
7	Cooling Chamber	1set
8	Pallet Return Roller Conveyor	1set
9	Safety Guardrail and Working Ladder	1 set
10	Working Platform	1set
11	Electrical Control System	1 set

 
4  Main Technical Parameter 
 

No.	Item	Technical Parameter
1	Painting type	Water Base Coating Material
2	Coating Method	Dipping/soaking/brushing
3	Effective Width of Inner Roller Conveyor	650mm
4	Effective Length of Inner Roller Conveyor	29800mm
5	Maximum Working Temperature	250ºC
6	Drying Temperature	160~230ºC adjustable()
7	Drying Time	45-55 Minutes adjustable()
8	Temperature Heating Up Time	<60 minutes
9	Energy Source	LPG,  Calorific value: 10000Kcal/Nm3
10	Maximum Gas Consumption	90 Nm3/h (full loaded, at cold condition) ()
11	Burner Capacity	25~90 Nm3/h ()
12	Average Gas consumption	72Nm3/h  (continuous running ) ()
13	Remain water Content in core	<0.30%(at depth of 10mm ) (10mm)
14	Transfer method	Roller Conveyor
15	Inner Roller Conveyor Speed	0.45~0.75m/min()
16	Installed capacity	45Kw   415V   50Hz

 
5Equipment Description 
 
The whole working flow route forms as one straight line. Please refer to the drawing. 

5.1 Elevating Table (2 sets )()
6.1.1 Main Technical Parameter :

No.	Item	Specification
1	Working Height	900mm
2	Diameter × Thickness  ×	Φ100×5mm(20# Steel ),
3	Distance Between Rollers	257 mm
4	Elevating Stroke	672mm
5	Elevating Speed	6m/min(Max)
6	Roller Conveyor Speed	10m/min
7	Driving Power for Roller Conveyor	0.25Kw
8		≤2.5mm

5..2Desicription :
This elevating table consists of elevating machine and roller conveyor. 
Roller conveyor is made of rollers, sprocket wheel, chain, bearing seat, and speed reducer. 
Elevating machine is made of supporting rack, elevating unit, and movable supporting rack. 
Supporting rack is made of profiled steel, after welded together; framework of this rack will be processed by machining tool. 
Movable rack consists of 2 pieces of pillars, and it is fixed with rack. 
elevating machine is driven by the hydraulic cylinder, one set of hydraulic station is equipped with this system. 
For safety operation, 3 sides of this elevating unit is protected by guard fence and one maintaining door; the door is locked by safety pin, which is interlocked with mechanical movement control system. 
during maintaining, power supply for this section will be cut off. 

Positioning device is designed on the elevating device, positioning accuracy: ±2.5mm.
 
5.2  Feeding/Discharging Roller Conveyor ,
  Application: Charge/discharge pallets in/out of furnace chamber. 
  Main technical parameter:
   

No.	Item	Technical Specification
1	Working Height	900mm
2	Diameter × Thickness  ×	Φ100×5mm(20# Steel ),
3	Material of Roller	Carbon Steel
4	Distance Between Rollers	257 mm
5	Effective working Surface of Rollers	4000×650mm(L×W)
6	Numbers of Pallets	4 pallets  4
7	Driving motor power for roller conveyor	0.25KW
8	Fast Driving Motor for Feeding Roller Conveyor	0.37KW
9	Fast Feeding Rotating Speed	10m/min
10	Speed Regulating Method	Frequency Regulating
11	Pallet Detecting Device	Sensor

  This roller conveyor carries pallets continuously charges/discharges in/out of furnace chamber. Frame of roller rack is made of high quality profiled steel, which provides adequate bearing strength.
  Rollers are made of seamless steel pipe. Effective working surface of roller is 4000mm×900mm. Effective height of roller is 650mm;
  To ensure pallets stable travel on the roller conveyor, two ends of each roller is designed with collar.  
  To ensure each roller has adequate bearing capacity, distance between each roller is about ~257mm. 
  Roller conveyor system is driven by motor, chain, and sprocket wheel. Speed of roller is controlled by Siemens Frequency transformer. 
 Operating box is located at loading roller conveyor, easy for control and regulate the loading conveyor; emergency stop button is mounted at operating box. 
 
6.3  Core Drying Oven 
6.3.1Technial  Parameter 

No.	Item	Specification
1	Maximum Service Temperature	250ºC
2	Working Temperature	160-230ºC
3	Effective Dimension of Chamber	29800(L)×650(W)×500(H)
4	Numbers of Heating Zone	3
5	Temperature Uniformity	±6ºC() (same section )
6	Temperature Control Accuracy	±2ºC
7	Motor of Air Contain	1.1Kw×2
8	Door open height	200~ 500mm (adjustable )
9	Lining Structure	Full Fiber
10	Skin Temperature	Ambient ≤+35ºC.