Appendix I Pre-shipment on the detailed items list of Rice Husk Gasified Power Generation System Lot 1Yangon, Myanmar 1.1 Rice Husk Gasifier 2.1 Ash & Char Remover Manufacture stand
Trang 1Appendix I Pre-shipment on the detailed items list of Rice Husk Gasified Power Generation System Lot 1Yangon, Myanmar
1.1 Rice Husk Gasifier
2.1 Ash & Char Remover
Manufacture standards
ASME, ASTM or approved equivalent standards for materials of construction The bidders are requested to provide the name
of the technical standards used for manufacturing of the gasifier offered
Fuel Rice husk (LHV = 13 MJ/kg, Moisturecontent ≤ 14%, Ash content 18-22%) Rated gas flow at gasifier outlet (Nm3/h) 350 – 400
Gas calorific value (MJ/Nm3) > 5.5
Gasification temperature (oC) 900 – 1400
Gasifier efficiency (%) 65% - 70%
Gas composition (CO, H2, CO2, CH4, N2) Refer to the below Appendix A
Gas impurities at gasifier outlet
Tar content (mg/Nm3 of gas) < 500
Particulate matters (mg/Nm3 of gas) < 500
Gasifier start-up time (min) 30 – 60
Load fluctuation (% of full load) Max of 20%
Rice husk consumption (kg/h) Approx 185
Air consumption (Nm3/h) 300 – 400
Char/Ash discharge (kg/h) 40 – 45
Materials of construction
Gasifier body Carbon steel
Critical compnts of the gasifier
(combustion c, nozzle, etc.) Carbon steel/Cast Iron
Working temperature (oC) 150 – 400C
Rotational speed (rpm) 1 – 2 rpm
Materials of construction - Bearing: cast iron bushing- Blade: high chromium cast iron
- Shaft: carbon steel Type of drive Electric motor (3 phases, 380 V, 60 Hz) Motor rated power (kW) 0.5
Lot 1 Appendix A
Trang 2Carbon Monoxide 31%
Carbon Dioxide 3%
Nitrogen and Oxide 49%
Density of Gas 1.1 kg/m3
Specific Heat Capacity of Gas 1.1865 KJ/m3-K
Calorific Value of the Gas 5.5 – 6.5 MJ/Nm3
Lot 2 Guangzhou, China
1.2 Rice Husk Feeding System
2.2 Ash Discharging System
4.1 Gas Cleaner & Cooler
4.2 Gas filters
5.0 Gas Blower
8.1 Control system
8.2 Field Instrumentation
9.1 Cooling Tower
9.2 Cooling Water Circulating Pumps
10.1 Water Treatment Plant
10.2 Raw water pumps
1.2 Rice Husk Feeding System Quantity: 1
Rice husk receiving hopper
Capacity 500 kg of rice husk
Rice husk conveyor Quantity: 1
Conveying capacity 150% of rice husk consumption at fullload of the gasifier
Type of drive Electric motor (3 phases, 380 V, 60 Hz)
Type of drive Electric motor (3 phases, 380 V, 60 Hz) Motor rated power (kW) 0.25
Type Wet scrubber, gas conditir & cleaningsystem
Trang 3Item Description Specifications
Particulate matters (mg/Nm3 of gas) < 30
Moisture content (%) 0.5
Outlet gas temperature (oC) 35 – 40
Gas calorific value (MJ/Nm3) 5.5 – 6.5
Water demand for Scrubber (m3/h) 5 - 6 m3/h
Cooling water flow rate (for Cooler) (m3/h) 15 - 20 m3/h
Materials of Construction - Scrubber: Carbon steel- Gas Cooler: Carbon steel/Stainless
steel tube
Filter media Dried rice husk or “Activated” Saw dust Gas impurities at filter outlet
Tar content (mg/Nm3 of gas) 5 – 10
Particulate matters (mg/Nm3 of gas) < 5
Moisture content (%) 0.1 – 0.5
Filter media life (hours) 330 – 3300
Outlet gas temperature (oC) 35 – 40
Materials of construction
Critical compnts Carbon steel
Rated gas flow (Nm3/h) 350 – 400
Static pressure (mm WG) 100 – 200
Type of drive Electric motor (3 phases, 380 V, 60 Hz) Motor rated power (kW) 0.5 kW
Materials of construction Carbon steel
Type of control PID Controller
Power supply for control system 220 V / 60 Hz
Operators Interface Motor Control Center w/Interlock
Digital signal 24 VDC (dry contacts)
Transmitters (If applicable) Intelligent type of instruments enablingthe easy integration with the PLC system Temperature measurements Thermo-couples and/or resistancetemperature detectors (RTDs) Flow measurements (If applicable) Pitot-type devices
Level measurements Level Gauge
Pressure measurements Analog type
Trang 4Control valves
- Valves shall be sized to carry maximum nominal flow at the specified pressure drop with 80% of valve maximum lift;
- Control valves and control dampers shall be equipped with pneumatic actuators and electro-pneumatic positirs;
- Provide with accessories such as handwheels, filter regulators, solenoid pilot valves, and limit switches as applicable
9.1 Cooling tower Quantity: 1 cooling tower with itsaccessories
Fans per cell
Maximum circulating water flow (m3/h) 25 m3/h
Hot water temperature (oC in) 44 max
Cold water temperature (oC out) 32 max
Design drift loss (%) 0.1
Design evaporation loss (%) 1.9
Water basin
Dimensions (L x W x H m) 1.8 x 1.8 x 1.0
Materials of construction
Cooling tower Fiberglass Reinforced Plastics (FRP)
Water basin Steel Reinforced concrete foundation andbrick walls (to be designed by the bidder
and constructed by the Purchaser)
9.2 Cooling water circulating pumps Quantity: 2 (1 working + 1 standby)
Type Centrifugal, horizontal, end-suction Capacity per pump (m3/h) 25
Type of motor 380 V / 3 phases / 60 Hz
Materials of construction
Trang 5Item Description Specifications
Quantity (trains) 2 (1 working + 1 standby)
Rated capacity (m3/h) per train 1.0
Quality of treated water To meet the requirements of the coolingwater
10.2 Raw water pumps Quantity: 2 (1 working + 1 standby)
Rated capacity per pump (m3/h) 1.0
Type of motor 220 V / 60 Hz
Materials of construction
Trang 6 6.1 Gas Engine
6.2 Electric Generator
7.1 Step-up transformer
7.2 0.4 kV Switchgear
11.0 Standby-by Diesel Engine Generator
6 Gas Engine-Generator System Quantity: 1
Gas consumption in full load (Nm3/h) 220 – 250
Engine efficiency 30 %
Starting system Battery power starter
Lubrication method Lube oil
Cooling method Closed circuit oil-water cooling
Materials of construction ASME, ASTM or approved equivalent standards
Type (single – bearing)(refer to Appendix B)
Gross power output (kW) 100
Rated voltage (Volt) 400
Phase & Connection 3 phases / 4 wires
Mode of excitation Brushless
Terminal box 400 V cable connection
Materials of construction Carbon steel
7 Electrical system
Manufacture standards IEC or approved equivalent standards
Rated capacity (kVA) 150
Rated voltage
Tap voltage on HV side + 2 x 2.5%
Trang 7Item Description Specifications
Connection method
Manufacture standards IEC
Rated voltage (kV) 0.4
11 Stand-bu Diesel or Gasoline Engine Generator
Function 8.0 kW 3-phase black-start genset (1-unit)
Other technical specifications Refer to Appendix C
Lot 3 Appendix – B
Gas Engine Specification
Make: Deutz – German Technology
Country of origin: China
Design capacity: 100 kW (base-load)
Rated speed: 1800 rpm
Idling speed: 700 – 800rpm
Type: Vee type 8-cylinders, 4-stroke, electronic-control spark plug
ignition, water-cooling, wet cylinder jacket, premix proper ratio of air and gas before combustion
Cooling system: Radiator, fan cooling
Compression ratio: 11.5 : 1
Fuel: Synthetic gas (syn-gas)
Oil recommended: SAE 15W/40CD
Oil consumption: Approx 1.0 g/kWh
Noise level: 80 Decibel (max)
Alternator Specification
Make: Stamford – United Kingdom Technology
Country of origin: China
Voltage: 400V, 60Hz, 3phase, 0.8pf
Number of bearing: Single
Excitation: Brushless by Automatic Voltage Regulation (AVR)
Protection: IP 23
Trang 8Black-start Diesel Generator Specification
Make: Deutz – German Technology
Country of origin: China
Design capacity: 10 kW (Prime rating)
Rated speed: 1800 rpm
Idling speed: 700 – 800 rpm
Type: Inline 2-cylinders, 4-stroke, standard fuel injection
Cooling system: Air-cooled
Compression ratio: 16 : 1
Fuel: High speed diesel
Oil recommended: SAE 15W/40CD
Oil consumption: Approx 1.5 g/kWh
Noise level: 80 Decibel (with canopy)
Alternator Specification
Make: Stamford – United Kingdom Technology LEROY SOMER
Country of origin: China
Voltage: 400V, 60Hz, 3phase, 0.8pf
Number of bearing: Single
Excitation: Brushless by Automatic Voltage Regulation (AVR)
Protection: IP 23