Brief Introduction of The Selling Gen-set

Transcription

1 Brief Introduction of The Selling Gen-set Ⅰ General Information The power plant started to operate on 29, Sep., 1997 and the stop operation date was 26, Jul., 2007 The gas turbine output is 37MW and steam turbine output is 18MW Gas turbine operation hours: 34,522 hours Ignition times: 2,793 times Start-up times: 2,854 times Electricity generation: 1,025,355MWh Fuel: #0 light diesel, #180 heavy oil Major overhaul times: 3 times Turning gear was done once in the middle of every month from the last operation date of 26th, Jul., 2007 till now. Turning time lasted for 24 hours each time. Nozzles, blades and shrouds were replaced during the major overhaul in Jan ⅡGas Turbine and Auxiliaries: Mechanical Section: ⅰ Gas Turbine : Model: PG6551B : Alstom France ⅱ Excitation Generator Model: KJ70-10 Rated output: 142.5KW ⅲ Compressor Mode: axial flow Stages: 17 Speed: 5114rpm IGV Mode: adjustable hydraulic ⅳ Turbine Mode: single axial, axial flow Stages: 3 Inlet temperature: 1093 Exhaust temperature:

2 1.1. Gas turbine operation and maintenance information Gen-set specification Gas turbine Equipment Alstom France Model PG6551B Gen-set No. T780 Control system MARK V Fuel #0 light diesel, #180 heavy oil Alstom France Model T Rated Capacity 37000KW Rated Voltage 11000V Generator Rated Current 427A Rated Frequency 50HZ Rated Speed 3000rpm Power Factor 0.8 Cooling Method Air-cooled Connecting Method Y Model KJ70-10, 5-phase, Non-fuse Rated Output 142.5KW Rated Voltage 264V Excitation Generator Rated Current 540A Rated Frequency 200HZ Excitation Current 63A Cooling Mode Air-cooled Excitation Voltage 121V Mode axial flow Speed 5114rpm Compressor Exhaust 315 Temperature IGV Mode Adjustable hydraulic Level Level 17 Mode Single axial, axial flow Level Level 3 Speed 5114rpm Turbine Nozzle Mode Fixed Intake Temperature 1093 C Exhaust C Temperature Combustor Mode Multican Return-flow 2

3 Quantity Spark plugs Flame Detector Nozzle 10 units 2 units 4 units 10 units Auxiliary equipment Name Start-up equipment Load gearbox Auxiliary gearbox fuel system Lubrication system Hydraulic oil system Atomizing air system Cooling water system Heater Turbine fan Light diesel module system Heavy oil forwarding system Vanadium inhibitor system Water washing system Gas damper system Electrical system DC system CO2 extinguishing system Quantity Gas Turbine Operation and maintenance Status after putting into operation COD Time 29, Sep., 1997 Stop Operation Date 26, Jul., 2007 Operation Hours 34,522 hours Heavy diesel operation hours 30,272.7 hours Light diesel operation hours 4,239.7 hours Total Ignition Times 2,793 times Total Ignition failure Times 61 times Total start-up times 2854 times Trip times 238 times Electricity Generation 1,025,355(MWh) Major overhaul times 3 times 1 st : in Jan, nd : in Feb, rd : in Jan, 2006 Other maintenance times, 2 times 1 st : Feb, nd : Jan,

4 Operation hours after last overhaul 921hours Last test operation time 19, Sep., 2008 Note: 1. Turning gear was done once in the middle of every month from the last operation date of 26th, Jul., 2007 till now. Turning time lasted for 24 hours each time. 2. Nozzles, blades and shrouds were replaced during the major overhaul in Jan Spare parts for Gas turbine Some special tools All drawings 1.2 Steam turbine operation and overhaul Status Equipment specification Steam turbine NanJing Steam Turbine Works. Model L Rated power 18MW Rated speed 3000r/min Main Steam Pressure 3.43Mpa Main Steam Temperature 440 Main steam flow 66.5T/h Cooling water temperature 25 Nanjing Steam Turbine works Model QFWL-18-2 Rated power 18MW Rated voltage 10.5KV Rated current 1237A Rated Frequency 50 Rated speed 3 Power Factor 0.8 Cooling Method Air-cooled Excitation Voltage 175V Excitation Current 340A Generator Auxiliary equipment Condenser N Shaft sealing heater JQ-16-2 Water-jet air ejector TD-18 Oil cooler YL-40 Oil tank 7m³ 1 unit Oil pumps 3 units Water pumps 4 units 4

5 1.2.3 Operation and Maintenance Status after Steam Turbine Putting into Operation Item Gas turbine COD time 10, Sep., 1998 Stop operation date 26, Jul Operation hours 2,8000 hours Electricity Generation 379,381(MWh) Latest overhaul time Feb., Spare parts for Steam turbine Some special tools All drawings 1.3 HRSG operation conditions Equipment specification Hangzhou Boiler Works Model Q395/ (11)-3.53(0.34)/445 Rated Evaporation Capacity 64.8T/H Rated Steam Pressure 3.53MP Rated Evaporation temperature 445 Medium Pressure Steam Drum Operation Pressure (design) 3.92MP Low Pressure Rated Evaporation Capacity 10.6T/H HRSG Low Pressure Rated Steam Pressure 0.35MP Low Pressure Rated Steam temperature Feed-water Temperature(design) Condensing-temperature 40 Boiler Exhaust Gas Temperature 160 Gas Flow 491T/H Main Pressurized parts and auxiliary equipment Steam Drum 22m³ Medium Pressure Finned Tube, 2.65m³ Super-heater High pressure Finned Tube, 8.3m³ 5

6 evaporator Coal Economizer Finned Tube, 4.5m³ Low pressure Finned Tube, 6.8m³ evaporator Low pressure 1.0m³ separator Feed-water tank 45 m³ 1unit Superheated steam Desuperheater Water pumps 6 sets Safety valves HRSG Status after Putting into Operation COD time 10,Sep., 1998 Discontinued Date 26, Jul., HRSG spare parts(see inclosure) All Drawings 1.4 Heavy oil treatment equipments operation conditions Equipments specification Heavy oil treatment equipments Auxiliary equipments Heavy oil transmission module Demulsification equipment Heat module Scrubbing water equipment Mixture and extraction module Wastewater treatment system Total flow flow per line Production line quantity Treatment method Alfa lava Germany 22m³/h 11m³/h 2 lines 2 stages water extraction Heavy oil treatment equipment status after putting into operation COD time 6, Jun Stop operation date 26,Jul., 2007 Operation Hours 24,632 hours Spare parts for heavy oil treatment equipment All special tools 6

7 1.4.6 All drawings 1.5 Chemical water treatment equipment Status Equipments specification Chemical water treatment equipment Main Equipment Supplier External Boiler water treatment Internal Boiler water treatment Shanghai Zhongji Energy Adopt 1 stage Desalting water treatment Add Na 3 PO 4 to the Steam Drum Cleaning Water Tank Ø:6480 V:200M 3 Active Carbon Ø:2000 V:8 12m/h 2 sets Cation exchanger Ø:1500 V:10 12m/h 2 sets Anion exchanger Ø: 1500 V:10 12m/h 2 sets CO2 removal machine Ø:800 Q:20t/h 2 sets Intermediate water tank V:2.5M 3 2 sets Desalted water tank Ø:6480 V:200M 3 acid-base tank Ø:1500 V:5M 3 2 sets respectively acid-base metering tank Ø:800 V:0.5M 3 Ammonia water tank V:1M 3 pumps 9 units Chemical Water Treatment Equipments Status after Putting into Operation COD time Jul Stop Operation Date 26, Jul., Spare parts for Chemical water treatment equipments Some Instruments equipped with laboratory 1.6 Cooling Tower Operation Status Main Equipments and Specification Cooling Tower ZheJiang LianFeng Group Cooling Capacity Single Unit 250m 3 /h Cooling Fan 3 Sets, with 132KW Electric Motor Electric Control Valve 3 Sets, DN600, PN Cooling Tower Operation Status COD time Sept Stop Operation Date 26, Jul.,

8 1.7 Circulating Water Equipments Operation Status Main Equipments and Specification Circulating Water Equipments Supplier Shanghai ZhongJi Energy Total Flow 5256m 3 /h 600S32B Water Pump 2 sets, 2628m 3 /h,equiped with the motor 250KW, 6000V Electric Control Valve 2 sets, DN600, PN Circulating Water Equipments Operation Status COD time Sept Stop operation date Jul. 26, KV Boost Voltage equipments operation Status Specification 1# Main 2# Main HV Plant 01# Start-up/Start-by ChangZhou WorKs Model SF /110 SF /110 SZ8-3150/10 SZ8-3150/110 Rated Capacity 50000KVA 25000KVA 3150KVA 3150KVA Rated Voltage 121/11KV 121/10.5KV 11/6.3KV 115/6.3KV Cooling Method ONAN/ONAF ONAN/ONAF ONAN ONAN Connection Tab YN.dll YN.dll D.do YN..dll Isolation Level AC35 AC35 AC25 AC25 No-load Current 0.18% 0.22% 0.37% 0.49% Oil Weight 13.8T 9.4T 2.56T 9.5T Gross Weight 61.2T 40.5T 9.42T 25.10T Serial COD time Sept Sept Sept Sept Stop operation date Sept ,Jul., ,Jul., 2007 Operation Main Equipments SF6 Switch LW KV 5 Sets 110KV Isolation Switch GW4-110DW2 8 Sets HV Switch VB /1250 Other Knife Switches Other Voltage s Other Current s Other Arresters 8

9 1.8.3 Drawings are relatively complete 1.9 Power Distribution Equipments Operation Status Specification 1# LV Plant 0# LV Standby Plant ChangZhou Works. ChangZhou HuaDi Special Co., Ltd. Model SC-2000/6 SC-2000/6 Rated Capacity 2000KVA 2000KVA Rated Voltage 6/0.4KV 6/0.4KV Cooling Method AN AN Connection Tab D/YN.ll D/YN.ll Insulation Level AC25 AC25 Serial No COD time Sep Sep Discontinued Date Operation Operation Main Equipments 6KV Switch Cabinet 400V Power Distribution Cabinet Relay Protection and Automation Device DC System UPS System 2.0 Auxiliary System Equipments 3GFM2-1000AH 6V 20KVA DCS Control System Supplier Shanghai ZhongJi Energy Supplier Shanghai ZhongJi Energy M22 Screw Compressor 2 sets, Ingersoll-Rand Air Compressor Non-thermal and 2 sets, HangZhou System Regeneration Dryer Gas Storage 2 Sets Foam Generator Diesel Engine 200S-95, Fire Protection System Fire Pump JocKey Pump 2½GC-6X3 Electric Fire Pump 200S-95 with 110KW 9