Electric Water Heater Inner Tank Enamel Coating Drying Machine for Home Appliance
I.Build up of Full Automatic Enamel Powder Coating Equipment Production Line
1.Enamel inner tank single station inner tank coating machine
2.Enamel inner geyser drying furnace equipment
1)Furnace body
2)Heating system
3.Full automatic enamel inner barrel sintering furnace machinery
1)Furnace body equipment
2)Sintering heating system
3)Automatic seal door
4)High-temperature hot air curtain device
5)Fired hook and carriage
6)Heat sealing plate and track
4. Enamel inner tank coating sintered suspension conveyor system machinery
5. Automatic enamel inner tank powder coating production line electrical control system
1)Enamel Coating machine control system
2)Drying furnace temperature control system
3)Burning furnace temperature control system
4)Sealed door electrical control system
5)High temperature hot air curtain fan control system
6)Conveyor electrical control system (3 emergency stop switches)
II.Technical Parameters and Design Planning for automatic enamel powder coating machinery line
1)Enamel powder coating workpiece: solar water heater inner tank;
2)Workpiece size:¢(360-480)*(1500-2500)mm ;
3)Workpiece weight:≤60Kg;
4)Production capacity: 10 pcs / hour;
5)Enamel powder coating machine production process
| No. |
Process Name |
Process Time(Min) |
Process Temperature(°C) |
Note |
-
|
Feeding product |
|
|
Manual |
-
|
Roll out |
Single station |
|
Off-line machinery |
-
|
Cleaning through parts |
|
|
Manual |
-
|
dry |
72 |
100-150 |
Work heat and electric heating |
-
|
Retest |
|
|
|
-
|
Sintering |
29 |
830~850 |
Electric heating |
-
|
Cool down |
29 |
|
Free cooling |
-
|
Remove product |
|
|
Manual |
6)Factory requirements: The eave height is more than 5.5 meters, and the ventilation is good
7)Energy demand (approximate)
| energy |
Energy consumption |
note |
| Electricity |
450Kw |
380(220)V/50Hz |
| Compressed air |
1m3/min |
Air supply pressure:0.5-0.7Mpa |
III.Equipment Description and Specifications for automatic enamel powder coating production line
Description of Necessary Machine Unit
1. Enamel inner tank single station inner tank coating machine
1.1 Machine Photo
1.2 Machine Introduction
The Enamel inner tank single station inner tank coating machine is controlled by a PLC machine. Coating one inner tank is about 6 minutes. The workpiece is manually loaded and unloaded by an electric hoist (prepared by customer).
1.3 Parameters of our Single station inner tank coating machinery
1)Roll boring workpiece size:φ360-480×1500-2900mm
2)Feeding pump: metal diaphragm pump
3)Slewing mechanism: driven by speed regulating
4)Swing mechanism: cylinder lift
5)Receiving box: 1.2mm thick stainless steel plate
6)Frame: section steel
7)Opening bucket: 1.5mm thick sus304,200L, 0.6m above the ground
8)Open bucket stand: section steel
9)Stirrer: pneumatic stirrer
2.Powder Coating Production line of Drying furnace equipment
2.1 Dry furnace machine photo
2.2 Dry furnace machine Machine Introduction
The inner tank porcelain enamel drying furnace adopts an integrated structure with the sintering furnace, so that the waste heat can be fully utilized to save energy. When the workpiece enters the furnace, Each group of 4 workpieces operates in a rhythmic manner; the hot air at the bottom blows the tube into the gallbladder to dry the enamel, and the heating power is about 60KW.
2.3 Parameters of our Drying furnace equipment
2.3.1 Furnace body
1)Structural form: adopt straight-through structure
2)Inner wall size: L × W × H = 12 × 2.7 × 4.25 (m)
3)Inner wall plate: 1mm thick galvanized sheet
4)Outer panel: 1mm thick color steel plate, shallow ribbed appearance
5)Thermal insulation layer: 150mm thick rock wool (120K)
6)Column and stand: adopt 100 × 100, 10 # channel steel
7)Exhaust gas exhaust pipe: set on the top of furnace body and furnace mouth
2.3.2 Heating system
1)Adopt electric heating and residual heat of workpiece heating.
2)Electric heating: metal heating tube
3)Heat exchange indoor wall plate: 1.0mm thick stainless steel plate
4)Heat exchange outdoor wall panel: 1.0mm thick ordinary steel plate
5)120mm thick aluminum silicate fiber cotton for insulation layer
6)Hot air circulation fan: water-cooled with insulation.
7)Hot air pipe and mouthpiece: 1.0mm thick galvanized sheet, adjustable air volume
3. Full Automatic Enamel Powder Coating Line Sintering furnace machine
3.1 Sintering Furnace Machine Introduction
The firing furnace has a straight-through structure, and the installed power of the firing furnace is about 360KW. The maximum firing temperature is 860 ºC and is controlled by silicon, the temperature uniformity in the furnace is ± 10 ºC in the workpiece area.
3.2 Parameters of our Sintering furnace
3.2.1 Furnace body
1)Intermittent furnace with open door
2)Inner wall size: L × W × H = 5.0 × 1.2 × 3.1 (m)
3)Frame: made of profiled steel, steel mesh and sheet
4)Side and top materials: aluminum silicate cotton, rock wool, high temperature adhesive
5)Bottom heat-resistant insulation material: high-strength insulation brick, refractory mud, etc.
6)Outer siding: 50mm thick rock wool sandwich color steel plate
3.2.2 Sintering heating system
The firing furnace adopts the resistance band heating form. The chromium-nickel resistance band is arranged inside the furnace and divided into several groups. Each group has a separate proportional temperature control to make the temperature in the furnace uniform. Maximum temperature: 870 °C
3.2.3 Automatic seal door
1)Door body: same as furnace body
2)Door opening mode: Automatically open and close the door according to the cycle time
3.2.4 High-temperature hot air curtain device
1)Hot air curtain motor: 2.2KW motor
2)Hot air curtain material: heat-resistant stainless steel
3.2.5 Fired hook and carriage
High temperature resistant alloy steel
3.2.6 Heat sealing plate and track
1)Heat sealing plate track: cast heat-resistant stainless steel material
2)Heat-sealing plate: 3mm heat-resistant stainless steel plate
4. Enamel inner tank coating sintered suspension conveyor system machinery
4.1 Equipment Introduction
The conveyor adopts WT3 suspension conveyor with a length of 67 meters. Every production beat have 6 inner tank. The beat interval is about 4.1 meters, and the hanging distance of every inner tank is about 0.61 meters. The suspension chain is 100KG in weight, and the workpiece is suspended on the conveyor and linked with the firing furnace.
4.2 Parameters of Sintered suspension conveyor system
1)Using WT3 suspension conveyor
2)Chain pitch: 3 inch die forged chain
3)Guide rail: 8 # I-shaped steel rail
4)Swivel wheel device
5)Driving device: 2.2Kw, electromagnetic stepless speed regulation (0-2m / min)
6)Tensioning device: cast iron hammer tensioning
7)Upright columns and brackets: Section steel
5. Automatic enamel inner tank powder coating production line electrical control system
1)Enamel Coating machine control system
2)Drying furnace temperature control system
3)Burning furnace temperature control system
4)Sealed door electrical control system
5)High temperature hot air curtain fan control system
6)Conveyor electrical control system (3 emergency stop switches)
IV.Free Accessories List of Automatic enamel inner tank powder coating production line
| NO. |
Name |
Unit |
Qty |
| |
Diaphragm pump seal ball and seat |
set |
1 |
| |
Turn over the cylinder seal |
set |
1 |
| |
Heat seal plate |
piece |
5 |
| |
Burning wire hook |
piece |
5 |
| |
Fan bearing |
set |
2 |
| |
Low temperature temperature control meter and probe |
set |
1 |
| |
High temperature temperature control meter and probe |
set |
1 |
| |
Drying furnace heating element |
set |
1 |
| |
Sintering furnace heating resistor strip |
m |
5 |
| |
Electrical control spare parts |
piece |
5 |
| |
Conveyor chain |
m |
5 |
| |
Carriage |
set |
2 |
V.Engineering Services
The following fees are not included in the quote
(1) The cost items not listed in waste water and waste gas treatment equipment, air pressure equipment, laboratory equipment, etc .;
(2) Visa costs for installers, round trip travel expenses, room and board during installation.
(3) transportation costs;
(4) Delivery time: Design and manufacturing time: 90 work days;
(5) On-site installation and commissioning time × number of people: 40 days × 3 people;
(Customers provide main installation equipment, including welding machines, cutting machines, etc., and no less than 6 installation assistants)
(6) After-sales service: free warranty for one year (provide accessories).
VI.Contact Information
Audited Supplier 
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