China Cylinder Block Core Drying Furnace

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%
3Equipment Configuration

NO.Item Quantity 1 2 Sets2Load/unload roller conveyor 2 Sets3Furnace Body 1 set4Heating Chamber3 sets5Air-curtain System2 sets6Exhaust Piping (Length confirmed later)
Pipe from furnace body to inlet of fan.7Cooling Chamber1set8Pallet Return Roller Conveyor 1set9Safety Guardrail and Working Ladder1 set10Working Platform1set11Electrical Control System 1 set

4 Main Technical Parameter

No. Item
Technical Parameter 1Painting type Water base Coating Material 2Coating Method Dipping/soaking/brushing 3Effective Width of Inner Roller Conveyor 650mm4Effective Length of Inner Roller Conveyor 29800mm5Maximum Working Temperature 250ºC6Drying Temperature 160~230ºC adjustable()7Drying Time 45-55 Minutes adjustable()8Temperature Heating Up Time <60 minutes9Energy Source LPG,
Calorific value: 10000Kcal/Nm310Maximum Gas Consumption 90 Nm3/h (full loaded, at cold condition) ()11Burner Capacity 25~90 Nm3/h ()12Average Gas consumption 72Nm3/h (continuous running )
()13Remain water Content in core<0.30%(at depth of 10mm )
(10mm)14Transfer method Roller Conveyor 15Inner Roller Conveyor Speed 0.45~0.75m/min()16Installed capacity 45Kw415V50Hz

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 1Working Height 900mm2Diameter x Thickness
xΦ100x5mm(20# Steel ),3Distance Between Rollers257 mm4Elevating Stroke 672mm5Elevating Speed 6m/min(Max)6Roller Conveyor Speed 10m/min7
Driving Power for Roller Conveyor 0.25Kw8 ≤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
1Working Height 900mm2Diameter x Thickness
xΦ100x5mm(20# Steel ),3Material of Roller Carbon Steel 4Distance Between Rollers257 mm5Effective working Surface of Rollers 4000x650mm(LxW)6Numbers of Pallets 4 pallets
47Driving motor power for roller conveyor 0.25KW8Fast Driving Motor for Feeding Roller Conveyor 0.37KW9Fast Feeding Rotating Speed 10m/min10Speed Regulating Method Frequency Regulating11Pallet 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 4000mmx900mm. 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 1Maximum Service Temperature 250ºC2Working Temperature 160-230ºC3Effective Dimension of Chamber 29800(L)x650(W)x500(H)4Numbers of Heating Zone 35Temperature Uniformity ±6ºC()
(same section )6Temperature Control Accuracy ±2ºC7Motor of Air Contain 1.1Kwx28Door open height 200~ 500mm (adjustable )9Lining Structure Full Fiber 10Skin Temperature Ambient ≤+35ºC.