About Computational Fluid Dynamics Modeling & Aero-Acoustic Technologies/Solutions
Offer unique Design Improvements in the existing plant draft system without touching existing equipment through state-of-art CFD modeling based designs & manufactured solutions, including optimized & efficient Aerodynamic ducting.
FD FAN CENTRIFUGAL-OUTLET DUCT
OLD vs MODIFIED DESIGN
Services Offered with Technology Partner M/s APT FLOW TECHNOLOGIES INC, CANADA
APT Flow technology offers benefits in the following areas of coal fired power plants:
FD fan inlet duct and discharge duct up to Air Heater inlet and wind box inlet
ID Fan inlet duct from ESP and discharge duct up to stack inlet
Wind box manifold for better furnace penetration and lower loss of ignition
ESP inlet and discharge duct for better ash particle distribution and lower duct loss.
CFD based furnace combustion modeling for improvement in furnace combustion efficiency and reduction in the loss of ignition.
Parametric rotational CFD modeling for Fans and other rotating machines.
APT Flow technology can beneficially be implemented in the following areas of Fertilizer plants:
FD & ID Fans of primary reformer
Improvement of Performance (Energy Efficiency) of rice husk fired boiler for M/s Annapurna rice Mills, Rudrapur, Uttaranchal
Plate and Shell& Tube Air Heaters
Wind Box and upstream combustion air duct of reformer furnace
Process Air compressors intake & inlet air chilling
Gas Turbine intake and inlet air chilling
Gas turbine exhaust pressure reduction
Flow & performance improvement in HRSG
We can assist Industrial Plants/End Users after following
Review of pressure loss/draft loss in the existing plant design.
Perform preliminary calculations and suggest design modifications.
Analyze plant draft system or inlet/discharge systems of rotating equipment like fans/gas turbines backed up by CFD based air flow dynamic modeling.
Develop solution and propose design improvements.
Design, engineering, manufacture and installation of optimized solutions.
Performance evaluation/measurements before & after modifications.
Assignments Executed based on technology provided by APT FLOW TECHNOLOGIES INC in INDIA
Improvement of performance (Energy Efficiency) of ID & FD Fans of 210 MW Bandel Coal fired Power Plant of West Bengal Power Development Corporation (WBPDCL) by modification of discharge ducts of ID & FD fans. The technology offered cumulative energy savings of about 350 KW from 2 FD and 2 ID fans which corresponded to 3.75" WC pressure drop savings (2" WC savings in FD fan discharge system and 1.75" WC savings in ID fan discharge) over the existing system.
Reformer APH combustion Air Duct modification at strategic areas to achieve about 8 Deg C stack temperature reduction for Nagarjuna Fertilizers, Kakinada.
Air Duct modification retrofit at strategic location from FD fan to APH and APH to Reformer to achieve 100 mm WC pressure drop reduction, 5 Deg C equivalent stack temperature reduction and 21000 Gcal/annum energy savings for Kribhco Shyam Fertilizers, Shahjahanpur.
Two FR 6 Gas Turbine Air Intake System modification & Inlet Air Chilling to achieve 80 mm WC pressure drop reduction, 3.5 MW enhanced power output for Reliance Patalganga.
Combustion Air Duct modification for higher static head at Burner tip, achieved 22 mm WC increased static head at burner for IFFCO Phulpur.
ESP inlet modification to achieve 25% reduced emission for Birla Copper, Dahej
ID Fan duct modification for higher gas flow, achieved 25 mm WC pressure drop saving, 5% higher Flue gas flow, 3 Deg C stack temperature reduction for Kribhco Shyam Fertilizers, Shahjahanpur.
Combustion Air Duct strategic area retrofit for higher air flow from ID fan, achieved 65 mm WC pressure drop savings, 10% higher air flow, 4 Deg C lower stack temperature, 5 Deg C higher air temperature for IFFCO Aonla.
ESP Inlet duct modification for reduction in stack level emission, achieved 45 % reduction in stack particulate emission for IFFCO Phulpur.
FD Fan Inlet Duct modification to reduce cyclic draft variation from 15 mm WC to 3 mm WC, 10 dBA noise level reduction for Chambal Fertilizers Ltd, Kota.
Combustion Air Duct & Reformer Wind Box strategic modification for uniform flow to all 576 burners, 90 mm WC pressure drop savings for Indo Gulf fertilizers Jagdishpur.
Combustion Air Duct strategic area retrofit for achieving 45 mm WC pressure drop saving, 4% higher air flow, 5 Deg C lower stack temperature for DCM Shriram fertilizers Kota.
FR 5 Gas Turbine Air Intake System modification & Inlet Air Chilling to achieve 35 mm WC reduced intake loss, 2 MW enhanced power output for Indo Gulf fertilizers Jagdishpur.
Process Air Compressor (PAC) Intake Duct & Silencer modification to achieve 24 mm WC reduced intake loss for Indo Gulf fertilizers Jagdishpur.
2 FR 5 Gas Turbine Intake Silencer replacement with Aero-Acoustic silencer to achieve 25 mm WC reduction in pressure drop for IFFCO Aonla.
Two FR 5 Gas Turbine Exhaust modification by retrofitting Aero-Acoustic diffuser to achieve 62 mm WC reduced exhaust loss in GT1 & 38 mm WC reduced exhaust loss in GT2 for IFFCO Aonla.