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Daku Coal-Fired Power Plant

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Marla Arellano

on 2 August 2015

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Transcript of Daku Coal-Fired Power Plant

Company Profile
Daku Coal-Fired Power Plant
Generating Energy for Future Growth
Owner: General Luna Power Partners Co. Ltd.
Officials/Designation: Engr. Aeron Rodriguez/Chief Executive Officer
Office Address: 2nd Floor, Alvarez Building, Rizal Avenue, Batangas City, Batangas, 4200, Philippines
Telephone No.: +04 (3) 449-6400, +04 (3) 447-7200
Fax No.: +04 (3) 637-8366
E-mail Address: info@DakuCFPP.com
Website: www.DakuCFPP.ph
DCFPP envisions itself to be the most reliable electricity supplier in Mindanao by maintaning the best relationship to its customers and to the environment and at the same time, maximizing the potential of electricity through vigorous extension researches.
DCFPP is an electric facility committed in providing its customers with satisfaction by supplying electricity at the most reasonable cost. It ensures that it will meet the customer's demands by providing reliable services at the most efficient way. As our customers' satisfaction is our fuel to go further.
Plant Profile
Location: Daku, General Luna, Surigao Del Norte
Type of Plant: Coal-fired Power Plant
Operation Mode: Base Load
Plant Complex Area: 350 hectares
Ash Disposal Area: 280 hectares
Main Fuel: Bituminous Coal
Type of Ownership: Independent Power Producer (IPP)
Installed Capacity (MW): 3
Unit 1 – 300 MW
Unit 2 – 300MW
Unit 3 – 300MW
The company envisions to be a steward in preserving the environment, commits to manage the aspects of its operations that may have significant impact to the environment such as air emissions, waste water discharges, as well as solid and hazardous waste generation. This station utilizes the state of the art environmental control technologies in the market which are at par with the best in the world today. Reel-time monitoring is also implanted in the station to determine the efficiency of the station’s control system. The air, water, soil, vegetation and wildlife and also as public health in the Stations vicinity are constantly being monitored to ensure the continued protection and reservation. Monitoring activities involve a Monitoring Team Composed of representatives from the Department of Natural Resources (DENR), Local Government Unit, Non-Government Organization and Specialized Engineers from Daku Coal-Fired Power Plant Inc.
In 1978, forging strong partnership with the local stakes holders, Daku Coal-Fired Power Plant Incorporated uplift lives. At the leading edge of its programs for sustainable development are its employees, 100 percent (100%) are Filipinos, of which 25 percent (25) are coming from the Province of Surigao De Norte.
Daku Coal-Fired Power Plant(DCFPP) has three coal-powered units with a combined output of more than 900 megawatts. DCFPP started its commercial operations in 1975 and up to this day, it continues to supply power across Mindanao. The management ensures that there will be balance between ecology and economics in producing sustainable and affordable energy. Some of its efficiency improvements include:
Design and Combustion Technology
Cost Effectiveness (Affordability)
Reliability
Abundance
Company History
With a generating power of 900 MW, Daku Coal-fired Power Plant is one of the leading coal-fired and cost-effective power plant in Mindanao. In response for the island’s needs, DCFPP was built in 1975 to ease the on-going crisis on energy resources. One of the founder, Reniel C. Cena- a graduate of Master’s Degree in Structural Engineering in Cambridge University in London developed the whole project with the help of his colleagues and investors from other countries.
Vision
Mission
The following are the primary services offered by Daku Coal-fired Power Plants:
1. To serve regional electric utilities across Mindanao.
2. To transmit network with a vision for nation's power grid.
3. To generate power for most efficient and most innovative generation fleets.
4. To provide electric supply to customers in deregulated electricity markets.
5. To transport coals and other cargoes.
DCFPP Services
Product Description
Engr. Aeron Paul Rodriguez
President/Chief Executive Officer
Engr. Kristel Bobadilla
Human Resource &
Corporate Services
Master Engr. Mark Polistico
Field Operation Office
Engr. Hannah Alvarez, CPA
Finance
Engr. John Paul Niverea
Corporate Logistics Office
Engr. Estela Mariz Tumambing
Regulatory Management
Engr. Ramlyn Ilao
Wholesale Service & Corporate Communication
Engr. Jervy De Villa Manalo
Strategy and Innovation Office
Atty Engr. Renel Cena
Legal
Large conveyor belts move coals to the pulverization process.
The coals are then pulverize to talcum size powder for efficient burning.
FURNACE and BOILER
Highly purified water, pumped through pipes inside the boiler, is turned into steam by the heat. The steam reaches temperatures of up to 1,000 degrees Fahrenheit and pressures up to 3,500 pounds per square inch, and is piped to the turbine.
SCRUBBER
The byproduct of the combustion of coals includes hazardous gases. In this step the gas are treated to remove those hazardous gases.
STACK
The treated gases are then piped into the high stack, isolating the smoke from the working area.
TURBINE
The enormous pressure of the steam pushing against a series of giant turbine blades turns the turbine shaft. The turbine shaft is connected to the shaft of the generator, where magnets spin within wire coils to produce electricity.
After doing its work in the turbine, the steam is drawn into a condenser. In this important step, millions of gallons of cool water from a nearby source (such as a river or lake) are pumped through a network of tubes running through the condenser. The cool water in the tubes converts the steam back into water that can be used over and over again in the plant.
CONDENSER
COOLING STACK
Hot water from the condenser are then cooled by this massive cooling stack.
The rotation of the turbine also rotates the shaft of the generator producing electricity
GENERATOR
STEP-UP TRANSFORMER
The produced electricity from the generator is then converted to higher voltage preparing it for the grid.
High voltage electricity from the step-up transformer are then distributed around the area by the transmission lines.
TRANSMISSION LINES
CONVEYOR BELTS
COAL PULVERIZER

Description of Process
Ash Catchment System
Ash is also a byproduct of combustion of coals. In this step ash is collected from the system preparing it for disposal or for other use.
The coals are then pulverize to the fineness of talcum for efficient combustion.
Pricing
PLANT CAPACITY
= 3 x 300MW =900MW
Fuel
: Bituminous Coal
Plant Efficiency
=35%

COAL PARAMETER
Type:
Bituminous Coal
Total Moisture:
8% Max
Inherent Moisture:
5% Max
Ash Content:
10% Max
Volatile Matter:
42% Max
Fixed Carbon:
34.2%
Total Sulphur:
0.8% Max
Gross Calorific Value:
25772btu/kg
Size:
0-50mm
Price
=$67/Metric Ton
= Php 3100/Metric Ton
Source:
Indonesia
Computation
Plant Capacity
=900MWh
=3240000000kJ /hr.
Plant Efficiency
= 35%
Heat Required
= Plant Capacity/Plant Efficiency
   =3240000000 kJ/hr./.35
   = 9257142857 kJ/hr.
Amount of coal /900MWh
= Heat Required/GCV
   = 9257142857 kJ/hr./27060kJ/kg
=342 T/hr (342 tonnes of coal per 900 mwh)
Total cost of Fuel /kwh
= 342 T x Php 3100/T / 900000 kwh
   =Php1.178/kwh
Total Generation Cost
= Cost of Fuel + ( capital cost , salaries, taxes,
etc.)
 = Php1.1788+Php2.25)/kwh
  =Php 3.428/kwh

Turbine Specification
Power range for conventional steam power plants:
300 MW-600MW
Main steam
  
Temperature:
Up to 600° C / 1,112° F
  
Pressure:
Up to 300 bar / 4,351 psi
Brand:
Siemen
Type:
Horizontal-mount, cylindrical rotor, rotating field
Output:
300MVA
Voltage:
16kV
Current:
18.8kA
Frequency:
50 to 60 Hz, 3-phase
No. of poles:
2 (3000r/min; 50 Hz, 3600r/min; 60 Hz)
Cooling and ventilation:
Totally-enclosed,
water-air cooled, self ventilation
Brand:
Fuji Electric
Generator Specification
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