07 - STLD-Final PDF
07 - STLD-Final PDF
07 - STLD-Final PDF
BHELSONIC
Steam leak detection system
Trigger:
Imported systems found to be costly and lacking
certain features. Hence BHEL decided to develop in-
house steam leak detection system
Conventional Methods of steam Leak
Detection in Boilers
UTILITES
PAPER MILLS
PROCESS PLANT
Alarm
Signal Processing
Processing Module
Modules
Decibel
PC
Scanner
Redundant
Audio
PS
Channel
Selector
P R E F A B R IC A T E D C A B L E B H E L-S T LD
S YS TEM
M O N IT O R
SEA L BO X
HEAD C P U U N IT
BA LL VA LVE
A M P L IF IE R
L IS T E N IN G T U B E
FLANG E K EY BOA RD
IN T E R C O N N E C T IN G C A B L E
P R IN T E R
TEFLO N FLAN GE
SYSTEM PANEL
Bharat Heavy Electricals Limited TIRUCHIRAPALLI
Schematic of BHELSONIC
BAR GRAPH
MIMIC
TREND
SPECTRUM Scanner
GROUP TREND
HISTORY
MUX CARD
P
S
S
P
Signal Processors
m CONTROL ROOM
m
PRINTER
FIELD
Field Amplifiers
Sensors
Committed to making a better world
Bharat Heavy Electricals Limited TIRUCHIRAPALLI
SENSOR CONTROL
ROOM
PC
AMPLIFIER
ALARM SET
COMPARATOR
DELAY
Block diagram of BHELSONIC system
ALARM RELAY
BHELSONIC Features
MAKE BHEL
Vendor 1 Vendor 2 TRICHY
Tube Failures