SL.
NO. |
Plant |
Owner |
Project Status |
Job Description |
01 |
Kothagudem Thermal Power Station
(1 x 67.5 MW) |
Andhra Pradesh State Electricity Board
(Thru’ BHEL) |
Commissioned in December, 1987 |
Fly ash handling for ESP thru’ feeder ejector. The slurry is transported thru’ trench upto slurry sump. |
02 |
Bathinda Captive Power Plant
(1 x 210 T/hr. Boiler) |
National Fertilizers
Limited |
Commissioned
in April, 1988 |
Bottom ash is accumulated in water impounded hopper and disposed upto slurry sump by jet pump. Fly ash is conveyed by Hydro-pneumatic vacuum system. Slurry is formed in Air separator and then conveyed upto sump. The slurry pump and M.S. piping (400 NB) are provided for slurry disposal. Complete water system is provided.
The slurry pump is having capacity of 1000 cu.m/hr. per series with discharge pressure for 5 kms. piping. |
03 |
Panipat Captive Power Plant
(1 x 210 T/Hr
Boiler) |
National Fertilizers
Limited |
Commissioned in
July, 1988 |
Bottom ash is collected in water impounded hopper and transported intermittently by jet pump upto slurry sump. Fly ash is conveyed by Hydro-pneumatic vacuum system upto sump via air separator. The slurry is disposed upto Dyke by slurry pump and 350 NB M.S. pipe (6 kms). The slurry pump capacity is 700 cu. m/hr. per series. |
04 |
Nellore Thermal Power Station
(1 x 35 MW)
|
Andhra Pradesh State Electricity Board |
Commissioned in December, 1990 |
Bottom ash system thru’ jet pump upto sump. Fly ash system thru’ hydro-pneumatic vacuum system upto silo thru’ dust collector for dry collection. Silo is provided with rotary unloader for truck unloading and alternatively wet disposal upto sump. The slurry is disposed upto dyke (2 kms) by slurry pump and C.I. piping. Complete civil work is also being provided. |
05 |
Southern Generating Station
(2 x 67.5 MW) |
CESC Limited |
Both the units commissioned
in April, 1991 |
Bottom ash system comprises water impounded hopper, crusher, jet pump and piping upto disposal area. Fly ash system (one row of ESP) upto silo thru’ pressure conveying (Nuvafeeder). Silo unloading thru' rotary unloader. Complete water system is also provided. |
06 |
Kolaghat TPS, Stage -II,
( 3 x 210 MW) |
West Bengal Power Development Corporation Ltd. |
Unit # 5
Commissioned in 1991
Unit # 6
Commissioned in 1993
Unit # 4
Commissioned in 1994 |
Turnkey supply (including design, engineering, manufacturing, procurement, testing, commissioning and performance testing) of bottom ash and fly ash handling system. Bottom ash comprises of water-impounded hopper, crusher, jet pump and piping upto sump. Complete design engineering of total plant. Fly ash thru’ vacuum system (3 x 45 TPH) thru’ water exhauster. Slurry is formed in air separator & conveyed upto sump. The slurry is disposed by slurry pump and 400 NB MS piping upto disposal area. |
07 |
Gandhinagar Thermal Power Station
(2 x 210 MW) |
C/o. Gujarat Electricity Board |
Both the Units Commissioned in 1992 |
Complete engineering and supply of bottom ash system comprising of water impounded hopper (W-type), crusher, jet pump and piping upto slurry sump. |
08 |
Shriram Fertilizers & Chemicals Captive Power Plant (1 x 35 MW) |
SFC, Kota |
Commissioned
in January, 1989 |
Fly ash system for new ESP is provided with Hydro-pneumatic vacuum conveying thru’ water exhauster. Slurry is conveyed upto the sump by gravity thru’ MS piping. Water pump and piping are also provided. |
09 |
Tata Iron & Steel Company Limited
Power Plant
(1 x 30 MW) |
Tata Iron & Steel Company Limited |
Ash plant for all boilers commissioned & operating successfully |
Fly ash handling system thru’ pneumatic vacuum conveying. Vacuum produced by mechanical exhausters. Ash is collected in Silo thru’ dust collector. Rotary unloader is provided for truck unloading. |
10 |
Jalkheri Power Station
(1 x 10 MW)
FBC Boiler |
Punjab State Electricity Board
(Thru’ BHEL) |
Commissioned in January, 1992 |
Bed ash removal thru’ jet pumping system. Fly ash removal thru’ Hydro-pneumatic vacuum conveying system with water recirculation system. This is the first project in India with Rice straw ash system |
11 |
Kathara & Moonidih Captive Power Plants
(2 x 10 MW)
FBC Boiler |
Coal India Limited
(Thru’ BHEL) |
Commissioned in September, 1992 |
Bed ash thru’ Jet pumping system (90 TPH). Fly ash thru’ Hydro-pneumatic Vacuum conveying (40 TPH per stream). Once thru’ direct disposal. |
12 |
Farakka Super Thermal Power Project
( 3 x 210 MW) |
National Thermal Power Corporation Limited |
Commissioned in December, 1991 |
Bottom ash modification system including supply of slurry pumps and disposal piping including civil works. |
13 |
Mejia Thermal Power Station
Unit # 1, 2 & 3
(3 x 210 MW) |
Damodar Valley Corporation |
Unit # 1 commissioned
in March, 1996
Unit # 2 commissioned
in March, 1998
Unit # 3 commissioned
in March, 1999 |
Bottom ash system thru’ jet pumping with ‘W’ type water impounded hopper. Fly ash with Eductor assisted sluicing. Disposal of slurry thru’ slurry pumping facility having Basalt Lined Disposal pipes. |
14 |
Zhejiang Provincial Electric Power Bureau,
Beilungang Thermal Power Station, China,
(1 x 600 MW) |
United Conveyor Corporation,
U.S.A. |
Commissioned |
Detail design and engineering. |
15 |
Nellore Thermal Power Station
(1 x 30 MW) |
Andhra Pradesh State Electricity Board |
Commissioned in February, 1991 |
Economiser and mud drum ash system. |
16 |
Southern Generating Station,
(2 x 67.5 MW) |
CESC Limited |
Commissioned in March’93. This plant is working as a trend setter for pollution free Ash Handling System. |
Bottom ash water recirculation system complete with dewatering bins, settling tank and surge tank facility. This is a ZERO pollution plant for bottom ash removal. This plant is working as a trend |
17 |
Santaldih Thermal Power Station
(1 x 120 MW) |
West Bengal State Electricity Board |
Commissioned in January, 1992 |
Vacuum conveying system for new ESP installation for hooking up with existing vacuum system for Fly Ash removal. |
18 |
Bathinda Captive Power Plant
(180T/Hr. Boiler) |
National Fertilizers
Limited |
Commissioned
in June, 1993 |
Augmentation of fly ash system with Hydro-pneumatic vacuum facility upto air separator. Complete exhauster and fly ash slurry facility is included. |
19 |
Sanjay Gandhi Thermal Power Station,
Unit # 1 & 2
(2 x 210 MW) |
Madhya Pradesh Electricity Board |
Unit #1 commissioned
on 07.10.1993
Unit #2 commissioned
on 26.05.1994 |
Bottom ash thru’ jet pumps (2 x 60 TPH) upto slurry sump. Fly ash vacuum conveying (2 x 60 TPH) to surge hopper with mechanical exhauster and pressure transportation to silo with provision for 2nd stage pressure transportation to disposal area. The capacity of pressure transportation per pipeline is 120 TPH, which is also the highest in capacity for eventual disposal of fly ash. Total management of ash plant operation including operation, maintenance and spares for two years is covered in the scope. The total package includes entire electrical supply system necessary to meet the demand of ash plant and ancillary services. The entire civil work is also included. |
20 |
Kota Thermal Power Station
Stage-III
(1 x 210 MW) |
Rajasthan State Electricity Board |
Plant commissioned
in April ’94 in a
record time |
Bottom ash system thru’ jet pump (2 x 76 TPH) with W-type water impounded hopper and excen crusher. Fly ash handling system thru’ pneumatic vacuum conveying using water exhauster (4 x 37 TPH). Slurry transfer system is thru’ 300 NB Cast Iron disposal piping. The complete system for entire ash handling plant and equipment are included alongwith the necessary electrical and civil works. |
21 |
Tata Iron & Steel Company Limited
Unit # 4, P.H.# 4
(1 x15 MW) |
Tata Iron & Steel Company Limited |
Commissioned in 1993 |
Bottom ash jet pump system with water impounded hopper with removal capacity of 30 TPH. Fly ash Hydro-sluicing system and slurry pumping. The slurry pumping is with stages having final disposal upto 3 kms. Disposal pipe size : 200 NB. |
22 |
Panipat Captive Power Plant
(2 x 210 T/Hr.
Boiler) |
National Fertilizers
Limited |
Commissioned
in July, 1993 |
Augmentation of fly ash system with Hydro-pneumatic vacuum facility upto air separator. Complete exhauster and fly ash slurry facility is included. |
23 |
Bandel Thermal Power Station
Unit # 1 thru’ # 4
( 4 x 80 MW) |
West Bengal State Electricity Board |
Unit # 1 thru’ 4 Commissioned |
Dry fly ash system covering design, manufacturing, supply, civil works, erection and commissioning. The system comprises vacuum pressure combination system upto a local silo (500 Mtrs. away) and further to a brick plant from the silo. All electrical and civil works are also included in the contract. Direct system to brick plant is commissioned in January’95, having 850 Mtrs. conveying distance. Vacuum system commissioned in March’94 and pressure conveying system commissioned in January’95. |
24
|
TISCO Jojobera
Captive Power Plant
(67.5 MW) |
Tata Iron & Steel Company Limited,
Jamshedpur |
Commissioned in January, 1996 |
Bottom Ash Handling System with water impounded hopper having 60 TPH jet pumping facility thru’ slurry sump. Slurry disposal pumping facility along with water and other auxiliaries. |
25 |
Tata Iron & Steel Company Limited
Power House # 4
(4 x 15 MW) |
- Do - |
Commissioned in December, 1995 |
Slurry disposal facility for integrated ash handling system. Optimisation of disposal. |
26 |
Kutch Lignite Thermal Power Station
(1 x 75 MW) |
Gujarat Electricity Board |
Commissioned
in April, 1997 |
Bottom ash thru’ jet pump. Fly ash vacuum system with mechanical exhauster both wet and dry including pressure transportation upto silo and dry unloading from silo. |
27 |
Budge Budge Generating Station
(2 x 250 MW) |
CESC Limited, Kolkata |
Unit # 1 commissioned
in January, 1998
Unit # 2 commissioned
in March, 1999 |
Bottom ash system comprises water impounded hopper, crusher, jet pump (2 x 60 TPH) and piping upto disposal area. Silo unloading thru’ Rotary unloader. Complete water system is also provided. Bottom ash recirculation system complete with dewatering bins, settling tank and surge tank facility. This is a ZERO pollution plant for bottom ash removal. |
28 |
Guru Hargobind
Thermal Plant, Bathinda
(2 x 210 MW)
|
Punjab State Electricity Board |
Unit #1 commissioned
in March, 1998
Unit #2 commissioned
in September, 1998 |
Bottom ash system comprises ‘W’ type water impounded hopper, crusher, jet pump (2 x 60 TPH) and piping (300 NB MS, 2.5 km) upto slurry sump and further transportation by slurry pumps (620 m3/hr).
Fly ash direct pressure conveying system (2 x 76.5 TPH) below fly ash hoppers upto a silo. Silo unloading both wet and dry.
|
29 |
Gandhinagar
Thermal Power
Station, Unit-V
(1 x 210 MW) |
Gujarat Electricity
Board
|
Commissioned in
June, 1998 |
Bottom ash system comprises water impounded hopper, crusher, jet pump (2 x 64 TPH) and piping upto slurry sump.
Fly ash vacuum conveying (3 x 43 TPH) upto silo with mechanical exhauster & silo by-pass arrangement through wetting unit, collector tank upto slurry sump. Slurry disposal system upto dyke by slurry pump and 300 NB C.I. pipe (6 kms.). |
30
|
Surat Lignite Power Project
(2 x 125 MW)
CFBC Boiler |
Gujarat Industries Power Company
Limited |
Unit # 1 & 2 commissioned in March, 2000 |
Bed ash pneumatic pressure conveying system (2 x 35 TPH) from each boiler upto silo utilizing conveying blower. |
31 |
Sanjay Gandhi Thermal Power Station,Unit #3&4
(2 x 210 MW) |
Madhya Pradesh Electricity Board |
Unit #3 commissioned
on 01.04.1999
Unit #4 commissioned
on 23.11.1999 |
Bottom ash thru’ jet pumps (2 x 60 TPH) upto slurry sump. Fly ash vacuum conveying (2 x 60 TPH) to surge hopper with mechanical exhauster and pressure transportation to silo with provision for 2nd stage pressure transportation to disposal area. The capacity of pressure transportation per pipeline is 120 TPH, which is also the highest in capacity for eventual disposal of fly ash. Total management of ash plant operation including operation, maintenance and spares for two years is covered in the scope. The total package includes entire electrical supply system necessary to meet the demand of ash plant and ancillary services.
The entire civil work is also included. |
32 |
Bakreswar Thermal Power
Station Unit #1&2
(2 x 210 MW) |
West Bengal Power Development Corporation Ltd.
(Thru’ BHEL) |
Unit #1 commissioned
in October, 1999
Unit #2 commissioned
in July, 2000 |
Bottom ash water impounded hopper with 2 x 60 TPH jet pumping upto slurry sump & slurry pumping. Fly ash vacuum conveying system with mechanical exhauster (3 x 45 TPH) upto surge hopper. Pressure conveying system (1 x 135 TPH) from surge hopper to remote silo (750 M). Silo bypass wet disposal & slurry pumping system (650 m3/hr.) along with slurry disposal piping (300 NB MS, 3 x 6 km). Job includes complete mechanical, electrical and civil works including recovery water system. |
33 |
Bakreswar Thermal Power
Station, Unit # 3
(1 x 210 MW) |
West Bengal Power Development Corporation Ltd.
(Thru’ BHEL) |
Commissioned in
May, 2001 |
Bottom ash water impounded hopper with 2 x 60 TPH jet pumping upto slurry sump & slurry pumping. Fly ash vacuum conveying system with mechanical exhauster (3 x 45 TPH) upto surge hopper. Pressure conveying system (1 x 135 TPH) from surge hopper to remote silo (750 M). Silo bypass wet disposal & slurry pumping system (650 m3/hr.) along with slurry disposal piping (300 NB MS, 1 x 6 km). Job includes complete mechanical, electrical and civil works including recovery water system. |
34 |
Korba Super Thermal Power
Project,
New Ash Handling System Package, Stage-I (3 x 200 MW)
|
National Thermal Power Corpn. Ltd., Noida |
Commissioned in March, 2001 |
Fly ash pneumatic vacuum conveying (2 x 47.5 TPH) by mechanical vacuum pump. Fly ash slurrification by wetting unit and subsequent slurry disposal. Job includes complete mechanical, electrical and civil works. |
35 |
Durgapur Projects Ltd.
Unit # 1 & 2
(2 x 30 MW),
Unit # 3, 4 & 5
(3 x 75 MW) |
Durgapur Projects
Limited
(Thru’ PPIL) |
Unit #1 Commissioned
on 15.03.2001
Unit #2 Commissioned
on 12.08.2000 |
Renovation of ash handling system. Bottom ash hydro-sluicing through water impounded hopper & jet pump. Fly ash dry vacuum conveying upto existing silo & bypass wet system through wetting unit & collector tank. Job includes mechanical, electrical and civil works. |
36 |
Talcher Super Thermal Power
Project, Stage-II
(4 x 500 MW) |
National Thermal Power Corpn. Ltd., Noida
Order received
from BHEL,
New Delhi |
Unit #3 Commissioned
In February, 2003
Unit #4 Commissioned
In November, 2003
Unit #5 Commissioned
In July, 2004
Unit #6 Commissioned
In March, 2005 |
Bottom ash handling system with water impounded hopper and jet pumping (2 x 90 TPH) upto slurry sump. Slurry pumping (1220 cu.m/hr.), 450 NB 9.52 thk. slurry pipe, water pump and piping, complete in all respect including PLC based control panel. |
37 |
Kothagudem Thermal Power
Station
(4 x 110 MW) |
APGENCO
(Thru’ BHEL,
Ranipet)
|
Unit # 5 Commissioned on13.05.2001
Unit # 6 Commissioned on15.08.2002
Unit # 7 Commissioned on16.05.2004
Unit # 8 Commissioned on 09.03.2004 |
Bottom ash handling system with water impounded hopper and jet pumping (1 x 45 TPH) upto slurry sump for unit # 5 & 6. Fly ash sluicing (flushing apparatus) and Slurry pumping upto slurry sump for unit # 5 & 6. Fly ash vacuum conveying, feeder ejector and slurry pumping upto slurry sump for unit #7 & 8. Re-routing of 2.7 km ash slurry piping (300 NB 9.52 thk MS). |
38 |
Vijayawada Thermal Power
Station
(2 x 210 MW) |
APGENCO
(Thru’ BHEL,
Ranipet) |
Unit # 1- Commissioned
Unit # 2- Commissioned in September, 2002 |
Fly ash vacuum conveying system using hydraulic exhauster and dry collection using dust collector with an emergency hydro sluicing system below ESP hopper (flushing apparatus). |
39 |
Guru Nanak Dev
Thermal Plant, Bathinda
(4 x 110 MW)
|
Punjab State Electricity Board |
Commissioned in
April, 2004
|
Dry fly ash collection system (2 x 35 TPH per unit) from existing fly ash header using bag filter separator, vacuum pump upto surge hopper. Dense phase pressure conveying system (1 x 50 TPH per unit) from surge hopper upto remote silo (2 nos. 400 MT).
Silo unloading with rotary unloader & dry spout. |
40 |
Guru Gobind Singh Super
Thermal Plant, Ropar
(6 x 210 MW) |
Punjab State Electricity Board |
Commissioned in
March, 2004
|
Dense phase dry fly ash conveying system below ESP hopper to a local silo. Dense phase pressure conveying system from local silo to cement plant silo located approx. 1600 m away from local silo.
Silo unloading with rotary unloader & dry spout. |
41 |
Ramagundam Super Thermal Power Project, Stage-III
(1 x 500 MW) |
National Thermal Power Corpn. Ltd., Noida
Order received
from BHEL, New Delhi |
Commissioned in October, 2004
|
Bottom Ash Handling system with dry BA hopper, scraper conveyor, BA slurry pumping upto combined slurry sump.
Fly ash vacuum conveying system with mechanical exhauster (4 x 61 TPH) upto local surge hopper/wetting unit.
Pressure conveying system (2 x 122 TPH) from surge hopper to remote silo using screw compressor.
Ash Slurry disposal system employing slurry pumps (1220 cu.m/hr.), 450 NB 9.52 thk. slurry piping (3 x 10 km).
Associated water pump and piping, blowers, IA compressors etc.
PLC based control system for entire Ash Handling Plant.
|
42 |
Raichur Thermal
Power Station,
Unit - 7
(210 MW) |
Karnataka Power
Corporation Ltd., Bangalore
|
Commissioned on 03.03.2003
(in record time) |
Bottom ash system with water impounded hopper and jet pumping (2 x 60 TPH) upto slurry sump. Fly ash vacuum conveying system (4 x 50 TPH) upto surge hopper for dry collection, fly ash wet disposal system through wetting unit-collector tank (5 x 40 TPH). Pressure conveying system from surge hopper (2 x 100 TPH) to a remote silo (approximately 1000 M distance), slurry pumping (850 m3/hr.) with slurry disposal piping (350 NB MS, 2 x 3 km), water and instrument air system along with complete electrical & civil work on turnkey basis for the complete ash handling system. |
43 |
Gandhinagar
Thermal Power
Station, Unit - 1 thru’ 5
(2 x 120 MW +
3 x 210 MW) |
Gujarat Electricity
Board
(Thru’ NASL,
New Delhi) |
Unit # 1 - 4 -
Commissioned in
October, 2005
Unit # 5 -
Commissioned in
October, 2006 |
Renovation & Modernisation of existing bottom ash and fly ash handling system of all the five (5) units. Optimization of slurry pumping system by employing a combined ash disposal pumping and piping system common for all the five units. Combined slurry disposal by 450 NB piping partly lined with basalt and rest 9.5 thk MS SW. Complete mechanical, electrical and C&I and civil works are included. All ash handling plants will be converted to PLC based control system. |
44 |
Rihand Super Thermal Power Project
Stage-II
(2 x 500 MW) |
National Thermal Power Corpn. Ltd., Noida
(Thru’ BHEL-ISG,
Bangalore) |
Commissioned in
February, 2006 |
Complete Ash Water Re-circulation System from ash pond comprising re-circulation water pump (3 nos. 950 cu.m/hr. capacity) & 800 NB M.S. pipe (6 km).
Complete civil work is also included. |
45 |
Mejia Thermal Power Station,
Extn. Unit # 4
(1 x 210 MW)
|
Damodar Valley Corporation
(Thru’ BHEL-ISG,
Bangalore) |
Commissioned In
May, 2005 |
Bottom Ash Handling System comprises water impounded hopper, crusher, jet pump (2 x 60 TPH) and piping upto slurry sump.
Fly Ash Vacuum Conveying (2 x 60 TPH) with liquid ring vacuum pump for dry collection in silo & silo unloading having capacity of 60 TPH (dry spout & rotary unloader) along with silo bypass arrangement through wetting unit, collector tank. Slurry disposal system upto dyke by slurry pumps (650 cu.m/hr.) and 300 NB M.S. pipe (3.7 kms.).
Complete ash water pumping system and civil & structural works are also included. |
46 |
Vindhyachal Super Thermal Power Project,
Stage-III
(2 x 500 MW)
|
National Thermal Power Corporation Ltd., Noida |
Commissioned :-
Unit #9 – 23.08.2006
Unit #10 – Feb., 2007
|
Bottom ash system with water impounded hopper and jet pumping (2 x 62 TPH) upto slurry sump. Fly ash vacuum conveying system (4 x 48.33 TPH) upto surge hopper for dry collection, fly ash wet disposal system through wetting unit-collector tank. Pressure Conveying System from surge hopper (2 x 96.66 TPH) to a remote silo (approximately 850 M distance), slurry pumping (960 m3/hr.) along with slurry disposal piping (400 NB MS, 4 x 13.5 km), water and instrument air system along with complete electrical & civil work on turnkey basis for the complete Ash Handling System. |
47 |
Durgapur Project
Power Station,
Main Plant Package for Extension Unit # 7 (1 X 300 MW) |
Durgapur Projects Limited (DPL)
Thru'
Magaldi Power
S.p.A, Italy |
Commissioned :-
March, 2008 |
Dry Bottom Ash and Economizer Ash Handling System. |
48 |
WBPDCL - Sagardighi
Thermal Power Project,
Phase-I, Units 1&2
(2 x 300 MW)
Main Plant Package: SGMP-1 |
The West Bengal Power Development
Corporation Ltd., Kolkata
Thru'
Dongfang Electric Corporation, China/ Kolkata
|
Commissioned in
December, 2009
|
Bottom ash system with water impounded hopper and jet pumping (2 x 75 TPH streams per Unit) upto slurry sump. Fly ash vacuum conveying system (3 x 60 TPH streams per Unit) either upto bag filter/ surge hopper for dry collection or to wetting unit-collector tank for wet disposal. Pressure conveying system from surge hopper (2 x 90 TPH streams per Unit) to remote silo(s) (approximately 1400 M away). Slurry disposal system by 300 NB MS piping. Associated ash water/seal water/clear water and instrument air systems. Complete electrical/C&I & civil/structural works for the entire Ash Handling System. |
49 |
WBPDCL - Sagardighi
Thermal Power Project,
Phase-I, Units 1&2
(2 x 300 MW)
Main Plant Package: SGMP-1 |
The West Bengal Power Development
Corporation Ltd., Kolkata
Thru'
Dongfang Electric Corporation, China/ Kolkata
|
Commissioned in
March, 2010 |
Complete Ash Water Recovery System from ash pond comprising recovery water pump (3 nos., 330 cu.m/hr. capacity) & recovery water pipe, 300 NB M.S., 6.35 thk. (Approx. 1600 m) and seal water pumps.
Scope includes Garlanding of ash slurry disposal piping (300 NB MS, 9.52 thk., Approx. 11 kM) over the ash dyke.
Scope also includes Complete electrical work. |
