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INDUSTRIAL
IGNITERS (characteristics)
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The growing use of various fuels for
both industrial and domestic applications has led to the development
of equpment for burners' operation. Industrial igniters have found
the larges application in feul ignition. Various designs of igniters
enable them, besides this function to ignite fuels to be used as ionizers
(flame controller) or liquid level regulators.
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OPERATION MODE: |
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The simplest mode of electric
fuel ignition is hightension system, which supplies power (some 10
KV) from transformator to a pair of insulated electrodes. They are
placed so that they alow, by their gap, sparking adjacent to the burner
nozzle. Depending on burner characteristics , the gap between electordes
goes up to 5 mm.
In some installations , a single insulated electrode ( igniter) may
be mounted while one part of burner casing or own metal casing of
igniter may be used as the other electrode. |
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CENTRAL ELECTRODE: |
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Central electrodes of igniters
are made of Ni-Cr alloy
( various diameters) which is resistive to high temperature, corrosion
and electro-erosion. For very high temperatures, central electrodes
are made of chathal ( up to 1623 K) |
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INSULATOR: |
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Igniter insulator is made of
ceramics with 95% content of AI2O3. Owing to such a high purity and
manufactoring tehnology, this ceramics has excellent mechanic, electric,
chemical, thermal and other characteristics. For aesthetic reasons
and easier maintenance, glazing of insulators is done ( according
to need ) |
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QUALITY CONTROL: |
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Besides Laboratory
and control in manufacturing stages af production process, the following
tests are regularly done:
- insulator mechanical strength
- insulator resistance to thermal stress
- insulator electric break-down with high-tension and high frequency
current.
- central electrode quality
- igniter permeability test
- igniter sparking test, etc.
Since 02.1999 ENKER has established and applies a quality system for
all of our products acccording to
DIN EN ISO 9001 :1994
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