Elevating hearth kiln with 6 product stacks

The electrically heated elevating hearth furnace with 6 product stacks serves for debinding and sintering of LTCC ceramics with thermal after-burning and dosage of gas preheated by SiC heat-ing rods.

28 heating groups are implemented. The installed heating power of the SiC rods is 300 kW (at 1000°C and a surface exposure of 10 W/cm2). The installed transformer power is 28 x 11.0 kW (=308 kW).

The preheating of air and nitrogen is accom-plished by gas dosing through the SiC heating rods. The entering fresh air or nitrogen are pre-heated corresponding the programmed kiln tem-perature.

The kiln is equipped with a spindle lifting device and a hearth. The charged hearth is moved into and out of the kiln by the spindle lifting device.

The hearth boogie is fixed at the spindle lifting device. Charging and discharging is carried out at the front side of the kiln.

Dimensioning of temperature and operating tem-perature:

-    dimensioning of temperature     1100°C
-    operating temperature     about 1000°C

3D-Illustration Elevating hearth kiln with 6 product stacks

6-Turm Hubherdofen

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