Evaluation of the risk of ignition based on DIN EN ISO 80079-36:2016-12
PROCEDURE NUMBER --- (cross-project)
MANUFACTURER
TEKA Absaug- und Entsorgungstechnologie GmbH
Millenkamp 9
D-48653 Coesfeld
DEVICE TYPE LFE, version ST1 DEVICE GROUP II
DEVICE DESCRIPTION The construction and intended use of the device are described in separate documentation (see Operating Instructions)
1 2 3 4
RISK OF IGNITION
EVALUATION OF FREQUENCY OF OCCURRENCE WITH
NO ADDITIONAL MEASURES EMPLOYED
MEASURES EMPLOYED TO PREVENT EMERGENCE
FREQUENCY OF OCCURRENCE INCLUDING
MEASURES
a b
a b c d
e a b c a b c d
e f
Seq. No.
POTENTIAL IGNITION
SOURCE
CAUSE
(Under what
circumstances does the
risk of ignition occur?)
IN NORMAL OPERATION
WHEN MALFUNCTION EXPECTED
ON INFREQUENT MALFUNCTION
NOT RELEVANT
REASON DESCRIPTION
BASIS
(standards,
technical
regulations,
experimental
results)
Technical
Documentation
(incl. the relevant
properties listed in
column 1)
IN NORMAL OPERATION
WHEN MALFUNCTION EXPECTED
ON INFREQUENT MALFUNCTION
NOT RELEVANT
RESULTING EPL FOR THIS IGNITION
HAZARD
NECESSARY RESTRICTIONS
5 Lightning strike
Lightning strike at or near
the filter unit
x
Electrical charge or surfaces
heated by lightning strike
Note in Operating Instructions. Inclusion of
the installation in the lightning protection
concept
- TRGS 723 5.8
- DIN EN 62305-1
Warning
Section “Storage,
transport and
installation of the
device” in the
Operating
Instructions
x
Da
6 Static electricity
Isolated electrically
conductive parts
x
Isolated conductive parts form
a capacitor, e.g. through contact
with statically charged dust
All housing parts that are in contact with
dust are earthed and integrated in the
equipotential earthing
- DIN EN 80079-36
6.7.2
Confirm earthing
measures in
earthing report
x
Da
7 Static electricity
Spark discharge due to
charging of coated
housing parts
x
Accumulations of dust at
internal housing parts
Electrically conductive coating of housing
parts
All housing parts that are in contact with
dust are earthed
DIN EN 80079- 36
6.7.2 / measuring
protocol and report
DEKRA EXAM 15
EXAM 10556 BVS-
BK
Confirm earthing
measures in
earthing report
x
Da
8 Static electricity
Static discharge from a
person while operating the
system
x
Maintenance personnal ist
statically charged
Note in Operating Instructions. - TRGS 727 7
Opterating
instructions, chapter
"Maintenance"
x
Da
9 Static electricity
Agglomeration of dust at
the filter elements
x
Static discharge during cleaning
operations
Use of conductive filter elements R< 10^6
Ohm and inclusion in the equipotential
earthing
DIN EN 80079- 36
6.7.2
Confirm earthing
measures in
earthing report
Proof of filter
material
x
Da
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