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Natural Gas PTFE Furnace

Technical proposal and quoted price for HD series

 Sunkoo produces PTFE Sintering Furnace suitable for PTFE products / components sintering and also for heat treating. It offers Sintering Furnace in different sizes as per client’s requirement. Our PTFE Sintering Furnace are good at temperature uniformity, high degree of automation and stability.

 

SALIENT FEATURES

ü  Internal air circulation for good temperature distribution

ü  Excess temperature cut-off

ü  Control equipment electrically interlocked

ü  Heavy duty construction

ü  Single owing type comprising a door front of heavy gauge steel

ü  Provided air inlet and exhaust system

ü  Provided open type strip heater for required heating load

ü  Composite blanket insulation

ü  Separate control panel board

ü  PLC display is available

 

MAIN TECHNICAL PARAMETER AND CONFIGURATION

Size of chamber

Depend on Customer choice

Power supply

3p~480v  60Hz

Natural Gas Pressure

5~7KPa

The Max of Gas Consumption

≤70m³/h

Natural Gas Calorific value

8000~85000Kcal/m³

Operating Temperature range

Room Temperature ~420℃(Temperature can be arbitrary adjustable accordingly)

Way of Heating

Natural Gas Heating directly

Burner

Six hundred thousand(kilocalorie) imported natural gas burner

(proportional control)

 Furnace System Structure

Door Type

Front Double Open Manually, Adjust Structure by Horn Handle

Outer Shell

Sheet metal Q235 δ1.8, Spraying Acrylic acid Air-dry paint on surface after antirust process

Chamber material

SUS304  1.2~1.5㎜

Framework of Chamber

SUS304

Thermal Insulation Material

Superior Quality Aluminum Silicate Cotton.  Heat Preservation at the Bottom 120mm. Each part of the other insulation thickness no less than 200mm

  Control System

Distribution panel

Separate Control Cabinet ,set in a nearby place accordingly

Thermometer

Yudian AI719A Intelligent Application Apparatus,19 steps with 19 programs, control of the burner, with J type thermal resistance temperature sensing element

Over-temperature alarm

AI518A Intelligent Temperature Control Instrument, with J type thermal resistance temperature sensing element

Draught Fan Control

Frequency Control

Auxiliary Function& System Protection Configuration

1.Electrical short circuit protection and over current protection, to prevent motor burn and separated.

2.Electrical and heating burner interlocks, that is to say heating after air blast.

3.Control line protection, to prevent short circuit, causing the accident.

4.Air Switch, to prevent the main return circuit overload with short circuit, causing accident.

5.Without electricity for subsequent power to prevent, Prevent continued to increase baking time caused damage to bake.

6.According National electrical industry standard for electrical components, circuit protection.

Protection of Burner

1、            Gas under-voltage protection.

2、            Air pressure switch protection.

3、            Gas leakage protection, with gas leak alarm.

4、Before the burner ignition advance purging ,Heating chamber can be residual gas emptying.

4、Ignition failure alarm.

5、After combustion flame abnormal alarm.

                       The accessory

Enclosure fence

With fence at the top of cabinet for safe.

Rotary ladder

With Gecko ladder at the back of cabinet.

Intake valve

With 2 intake valve at the top of the cabinet can be open if needed

Exhaust valve

With 2 manual vent valve at the top of the cabinet, which can be open accordingly

Access Door

Heating chamber near the burner with access door.

2,Main electric components list

No.

Name

Specification

Producer Brand

1

Intelligent application apparatus

AI719AL5 7 Inches

Xiamen Yudian

2

Frequency converter

CV100

Buke

3

Than adjustable burner

RS70/M

">

Liyalu

4

A.C. contactor

LC1-D

Schneider

5

Intermediate relay

 

OMRON

6

Breaker

DZ series

Schneider

7

Temperature sensor

J type

Shanghai Chenxin

8

Button, Indicator Light

 

Schneider

 

Tip: Items which are not mentioned according to standard JB/T5520-91to operate.