9.0 INFORMATION REGARDING FAULTS
LBC
2
VAL.LBC.--.M.A2.1219.EN Issue: A2
12.19
55
9.2 Check-list in case of fault
If you have been unable to solve the problem on the device even after having carried out the operations sug-
gested in paragraph “Trouble-shooting” please contact the plant technician/installer/or the Manufacturer.
If technical assistance is required, in addition to the device data, the plant technician/installer or Manufacturer
will also need information concerning the plant in which the device is installed, its installation and its working,
for better identification of the problem that has occurred.
Obviously many of the checking operations which are requested have already been performed in the various
steps during installation, testing and start-up of the device concerned.
Danger - Warning
Before carrying out any operation “set the device concerned in safety” (see “Glossary and termino
-
logy”), operate according to the indications on the “Operation and Maintenance Manual” and in accor
-
dance with and in compliance with the standards in force as regards health and safety.
1) Information necessary
a)
Description of the problem;
b)
Photo showing the Lump Breaking Feeder Valve and how it is installed;
c)
Lump Breaking Feeder Valve type;
d)
Does the Lump Breaking Feeder Valve start up without problems after long shut-downs?
e)
Is the outlet free of incrustations which can reduce the passage section?
2)
Check
ing the hopper
a)
Which is the cone angle?
b)
Indicate the amount of material in the hopper.
c)
Is the hopper provided with bridge breaking baffle?
d)
Is the hopper is provided with a fluidisation / aeration system?
How many nozzles and fluidisation plates are fitted on the cone? How are they positioned and at what dis
-
tance from flange silo?
What is the operating pressure and the operating cycle?
e)
Is the hopper provided with vibrator or hammer device?
What is the operating cycle?
