2a - life assesment of boilers
TRANSCRIPT
-
8/13/2019 2a - Life Assesment of Boilers
1/9
BHEL Focus on R&M
Extended life.
Restore lost capacity and /or enhance rated capacity.
Im roved availabilit & reliabilit .
Improved heat rate & cycle efficiency.
State of art systems for better O & M practices.
.
-
8/13/2019 2a - Life Assesment of Boilers
2/9
Advantages with BHEL
Single source Total solutions.
Wide experience in conducting Destructive and NDT
tests and its interpretations.
Experience of conducting >250 RLA studies
e eve ope a s or es ng o coa , as ,materials etc.
-
8/13/2019 2a - Life Assesment of Boilers
3/9
Advantages with BHEL
Unparalleled experience with Indian coal.
based on wide experience.
,
knowledge of O&M practices and problems.
.
Smart Wall Blower System.
Gravimetric feeders with Micro processor controls
Steam Tube Leakage Detection (STLD) system
By-pass Over Fire Air System NOx Control
-
8/13/2019 2a - Life Assesment of Boilers
4/9
Approach towards R &M
Conductance of RLA/PET/CA studies to assessplants condition and identify areas of improvements.
.
Execution.
-
8/13/2019 2a - Life Assesment of Boilers
5/9
When assessment is required?
Assessment becomes necessary in either of thefollowing conditions:
1. After 100000 hrs of o eration /Statutor
2. Decreasing trend in availability & PLF
. ncreas ng tren n cost
4. Before R&M
-
8/13/2019 2a - Life Assesment of Boilers
6/9
overseas projects boilers of various capacities and types
, ,
Life assessment and Extension
Rehabilitation of boiler
Up-gradation of C&I
Overhauling and servicing
-
8/13/2019 2a - Life Assesment of Boilers
7/9
R&M Executed
Korba East Thermal Power Station - CSEB (2x120 MW)
Unit 5: ABL boiler & Unit 6: BHEL Boiler
Assessment.
Units running consistently at PLF > 80%.
Neyveli TPS Russian design Boilers 4 x 50 MW:
Scope of work based on RLA and CA
n oa e o es gn capac y o r
Exit gas temp. reduced from 190C to 140 C
-
8/13/2019 2a - Life Assesment of Boilers
8/9
R&M Executed
Kothagudem Thermal Power Station APGENCO
Scope of work arrived at after RLA studies and
Condition Assessment and specified by APGENCO.
Uprating to 120 MW implemented.
.
Many other contracts like Ennore 110 MW,,
BHEL.
-
8/13/2019 2a - Life Assesment of Boilers
9/9
R&M Pro rammes under Execution b BHEL
Turnkey execution of R&M works (involving Boiler & Aux,
TG & Aux, C&I, Balance of Plant and Electrical).
1. GSECL Ukai TPS (2x120 MW)
2. HPGCL Panipat TPS (1x110 MW)
3. UPRVUNL Obra TPS (5x200 MW)
4. PSEB Bhatinda TPS units 3&4 (2x110 MW)Replacement of tangent tube furnace to membrane wall furnace
Change of mil ling system - from indirect firing to direct firing and
from tube mills to bowl mills.
.