HSH Härtereitechnik

HSH Conversions of Electric Heating Systems

We carry out conversions of old electric heating systems to modern electric heating systems.

Mechanical and electrical modifications on the furnace are carried out in a reliable and sustainable manner. The adjustment or replacement of the furnace insulation is not a problem for us, either.

E.g. Ipsen batch furnace type TQF-4-EM: Contact persons ->

old Ipsen type
electric heating system:

-difficult replacement of heating elements
often only possible with cooled-down
and degassed furnace.

-Frequent problems
inert gas leaks.

-Wear of
contacts
contactor control

-long down-times
during replacement of defective
elements

-high sensitivity to thermal shock

new HSH type
electric heating system
with numerous advantages:

-simple replacement of
heating elements
under inert gas and
with furnace in operation.

-wear-free thyristor
control

-operation possible without transformer

-scaling-free
APM-radiant tubes
with long service life

-reduced risk of
inert gas leaks

-higher shock resistance
in comparison to old ceramic jacket pipes

E. g. electric control via thyristor 2-phase in stand-by for energy saving mode

After conversion, wear-free and accurate control via
thyristor PID-continuous control: