product training mineral insulated heating elements …19.08.2014 5 private & confidential •...

19.08.2014

1private & confidential

Product Training Mineral Insulated Heating Elements

19.08.2014

2private & confidentialprivate & confidential

• Overview mineral insulated heating cable• In use today• Mineral insulated heating cables• Sample applications• Radiation heater / heating plates

Product overview

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History MI Cable

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Product overview

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• Available for a plurality oftemperatures (up to 1000 °°°°C)

• Different outer sheet materials• Different connections

Mineral insulated Heating cables IMI

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• Further applications- heat resistant signal lines- thermocouples- heating elements / plates- radiation heaters


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Product overview

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IMI (Isopad Mineral Insulated)• IMI KMIN• IMI KMV• IMI KMA• IMI KMCN• IMI KMIN-MINI

IRH (Isopad Radiation Heater)IPH (Isopad Platen Heater)


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Structure:• Sheat material:

copper, stainless steel, Alloy 800 or Inconel 600

• Conductor:Nichrome, Copper or Copper alloy

• Electrical Isolation:MgO = magnesium oxide

• Max. exposure temperature1000°C

• Max. power:approx. 550 W/m

• Standard coil length:60 m up to 260 m

• Cable diameter:3,2 up to 6,5 mm

Heating conductor

Insulation MgO

Outer sheet


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cold lead

sleeve

Heating cable

Laser welded

• High temperature sleeve up to 1000°°°°C for stainless steel (800°°°°C) and inconelcable (1000°°°°C)

• High quality sleeves for special applications

• Rugged design

• Also traditional capillary sockets with silver solder

Unique laser weldedtechnology

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Lengthin meter

Cold End Lengthin meter leads

JointDiameter 11mm

M20 Nut optional for a terminal box

Unique laser weldedtechnology

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IMI-KMV

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IMI-KMIN

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• Sheet material Alloy 825:– High grade resistant to corrosion– Reducted risk for stress corrosion cracking

• In single or dual conductor available– For use with dual conductor

• Reduce from material and installation costs• Ideal choice for small pipes

• Optimized diameter according the resistant of the conductor– Less diameter reduce costs and make the installation easier

• Max. Temperature:– 650 ºC, (higher for laser welded sleeves)

• Electric resistance value– 2 Ω/km up to 36 kΩ/km – Higer resistance for shorter heating circuits

• Max. power– 270 W/m

• Diameter– 3,3 mm up to 13,8 mm

• Approved for hazards areas

Conductor

Alloy 825-outer sheet

Insulation MgO

IMI-KMA Alloy 825

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Nitric acid

Organic acid

Copper

Copper-HDPE

Copper-FEP

Cupro-nickel

Stainless steel 321

Alloy 600

Alloy 825

GEAGEGEGEXXAXX

GEGEGEGEGEGEGEGEGEGE

NRNRAAGEXNRNRNRNR

GEGEXXXXXXXNR

GEGEAAAAAAGEGE

XNRXAANRAANRNR

AAAANRAAAGEGE

Acid sulfur

Hydrochloridacid

Hydrofluoric acid

Phosphoric acid

Alkali

Salts

Seawater

Chloride

Outer sheet

excellent

acceptable

Application

dependent

Not recommended

GE

A

X

NR

MI heating cables different outer sheet materials for aggressive environments

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Cold lead 6mm²

Stainless steelbush crimped andsealed

6mm² cold lead(flexible)

MI connections sample

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MI connections sample

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Heating element L1 up to 2m: ±1%±0,05 m above 2 m : ± 2% ± 0,1 m

Cold lead L2 up to 2 m: ±1% ± 0,05 m above 2 m: ± 2% ± 0,1m

Stranded wire L3 ±5 mm

Definition: Standard tolerances for MI cables

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Product overview

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Distance variable

ABV / ZM01

Heatingelement

Spot welding

Reduce the distance due to usethe double of ABV

For clamp theheater turn the strapback

MI cables applicationsamples

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private & confidential

From frost protection to heat up to high temperatures e.g.

• chemical & petrochemical industries • storage containers, tanks, charging hoppers• pipes etc.

Heating system for a reactor


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MI heating elements are inserted in a huge variety of special applications for example:

• Vacuum Technology• Metallurgy• Plastics processing• Process industry

Heating from a active carbon absorber

Heating for a substrate holder in a sputter for the vacuum thick-film technology


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Inner heating bands for• vessels• tanks • pipelines

High power inside of small space

• Sink heater• Heat up a medium


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Heater with high power density

Special heating application

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Product overview

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Radiation Heaters IRH and Heating Plates IPH

Application areas e.g.: vacuum technology, electrocoating processes, photovoltaic, LCD, lamination processes, etc.

TXI has more than 50 years experiencein vacuum technology

MI cables Radiation heaters

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Heatet half shell for a high temperature furnace in the in nuclear waste preparation

Radiation heaters enable:

• Heat up different materials without physical contact

• High power density by an optimal power distribution

• Insert in clean room and food industry

Front view from a typical Isopad radiation heater


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Radiation heaters for electrocoating processes from tools and components in the vacuum industry• MI heating element mounted on a sheet with radiation sheets• Layout according customer needs


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Application range- Electrocoating processes- Glass coating processes- Photovoltaic e.G.. PECVD thin film technologie- Lamination processes- LCD


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Radiation heater with polished stainless steel sheet surface


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Vacuum heater • Inside a pipe• Special flange


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Aluminum heatingplate for lamination processes

Radiation heater for PECVD thin film technology


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The temperature probe is mounted directly on the heating elementFor exact measurements is used the special designed low mass clamp


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FeedthroughsCustomized solutions• Single feedthroughs• Double feedthroughs• Multiple feedthroughs• Feedthroughs with

sensors


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MI cables Radiation heaters feedthroughs

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Different layout in vacuum • big/small device descriptions• 3 dimensional layouts• high power density• fit the heating into the vacuum chamber

Customized Radiation heaters / Heating plates

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New designs and further development enable us:• To be market leader• more market penetration• better than our competitor


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Aluminum heating platesfor vacuum up to 180 °°°°C• Max. Dimension 3200 x 2600 x 40 mm• Power up to 15 kW/m²• Uniform heat distribution• Long life-time for the heating

elements• Extreme plane surface• Robust surface due to anodize• Fast cooling down with a linked

aluminum cooling plate


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Aluminium heating plates

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IRH-A –Aluminum plates

Uniform heat distribution Divide in different heating circuits Divide in different control circuitsChecking with infrared camera

Aluminium heating plates

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Stainless steel heating plates IPH-VA • Customized design• Temperatures up to 1000 °°°°C• High power density• Uniform heat distribution

Stainless steel heating plates

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Questionnaires

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Thank you for your attention!!

In case of questions please feel free to

ask.

product training mineral insulated heating elements …19.08.2014 5 private & confidential •...

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