http://www.engineeringnews.co.za
  SEARCH
Login
R/€ = 14.23Change: -0.10
R/$ = 10.59Change: -0.08
Au 1306.75 $/ozChange: 4.23
Pt 1487.50 $/ozChange: -1.00
 
 
Note: Search is limited to the most recent 250 articles. Set date range to access earlier articles.
Where? With... When?








Start
 
End
 
 
And must exclude these words...
Close Main Search
Close Main Login
My Profile News Alerts Newsletters Logout Close Main Profile
 
Agriculture   Automotive   Chemicals   Competition Policy   Construction   Defence   Economy   Electricity   Energy   Environment   ICT   Metals   Mining   Science and Technology   Services   Trade   Transport & Logistics   Water  
What's On Press Office Suppliers Directory Research Jobs Announcements Contact Us
 
 
 
RSS Feed
Article   Comments   Other News   Research   Magazine  
 
 
Jun 29, 2012

Steam cycle solution introduced to SA

Back
Engineering|Africa|Energy|Flow|GE|GE Intelligent Platforms|Safety|Screen|Screens|System|Systems|Water|Africa|South Africa|Energy|Equipment|Flow|Large Systems|Steam Cycle Solution|Systems|Bill Pezalla|Power|Water|Combustion Control Algorithms|DCS Technology|Drum-level Control Algorithms|Thermal Unit Combustion Compensation Algorithms
Engineering|Africa|Flow|Safety|Screens|System|Systems|Water|Africa||Energy|Equipment|Flow|Systems|Power|Water|
engineering|africa-company|energy-company|flow-company|ge|ge-intelligent-platforms|safety|screen-company|screens|system|systems-company|water-company|africa|south-africa|energy|equipment|flow-industry-term|large-systems|steam-cycle-solution|systems|bill-pezalla|power|water|combustion-control-algorithms|dcs-technology|drum-level-control-algorithms|thermal-unit-combustion-compensation-algorithms
More Insight
© Reuse this



Systems automation company GE Intelligent Platforms expects to see significant demand in the South African market for its US-developed distributed control system (DCS) steam cycle solution for power plants, which was launched last month, global energy industry manager Bill Pezalla tells Engineering News.

The steam cycle solution combines proven and comprehensive capabilities, providing coordinated control of the boiler, boiler auxiliaries and turbine auxiliaries, along with preconfigured, customisable control strategies and screens, he explains.

The system has a set of unique preconfigured templates with complete control strategies and screens, which can easily be tailored to a specific plant’s needs.

It also contains libraries representing control strategies, control elements and visualisation elements, allowing the user to manually instance and tie objects in the libraries together to form complete, customised appli- cations, using simple user interfaces and without the need to reprogram the solution.

GE believes this technology could make a difference to how power plants in South Africa are run and is currently negotiating with a number of possible customers, he says.

The solution can be installed on new plants but, at this stage, the company aims to enable plants with older boilers to make use of this modern technology.

“The DCS technology can be used on any size plant, which will further increase demand, as it enables small and medium-sized boilers to make use of technology that could previously only be used on large systems,” Pezalla adds.

GE’s engineers have worked with boilers for many years and have extensive knowledge of different types of power plants and their equipment. This has allowed the company to simplify the control of boilers by enabling operators to drag and drop the technology on a computer screen for easy installation.

“Our DCS isn’t new, but the fact that we reduced the logic down to enable it to be rapidly installed is a new concept,” he says.

Power plants are running for longer with shorter maintenance outages and the advantage of GE Intelligent Platforms’ DCS is that it is an open system that works with any type of boiler and can be implemented during a short maintenance outage, Pezalla explains.

The speed of system implementation results in increased uptime, which, in turn, increases production.


“When boilers are controlled manually, the process will not be as exact as when it is controlled by an automised system. Automising the process improves its efficiency with regard to manpower and the amount of fuel and water that is used,” Pezalla says.

By leveraging the system’s combustion control algorithms, a high level of precision and accuracy can be maintained, which leads to more efficient boiler operations, he notes.

The solution also allows real-time control to ensure the uniform loading of fuel sources and greater uniformity in air flow, he adds.

Meanwhile, operators can easily measure and analyse combustion and emissions, as the solution delivers a holistic view of the efficiency metrics and provides actionable insight to assist in decisions to increase the levels of energy production while reducing fuel consumption.

By using this system, fuel use can be reduced by 3% to 5% and system implementation time can be reduced by 50 % to 80%, Pezalla points out.

Further, the system’s drum-level control algorithms automatically respond to varying steam loads and pressure variations, which assists in ensuring that boilers operate within the correct safety parameters.

Boiler safety is also increased through the careful tuning and precise control of all steps of the process, such as purging the furnace before fuel firing and automated burner sequencing, including pilot and main flame light-offs as well as by avoiding repeat purging and reinitiation of the start-up sequence.

Meanwhile, the GE solution ensures smooth and consistent steam production with fossil fuels and biomass fuels by handling variations in the quality and moisture content of fuels with its advanced British thermal unit combustion compensation algorithms, which reduce carbon monoxide emissions.

Consistent steam production is also beneficial, as inconsistent steam can cause fan blades to fatigue and break, he says.

Boiler damage is prevented by maintaining water levels to avoid low water conditions, which could damage the boiler or lead to an explosion, says Pezalla.

Edited by: Chanel de Bruyn
© Reuse this Comment Guidelines
 
 
 
 
 
 
 
 
Other Electricity News
Public Enterprises Minister Lynne Brown
Updated 1 hour 45 minutes ago Public Enterprises Minister Lynne Brown told the Joint Parliamentary Committee on Energy and Public Enterprises on Tuesday that the new Eskom CEO would be appointed within weeks. She said she was “treating the appointment of a permanent CEO with urgency”.
Updated 4 hours ago A 1.2 MW solar photovoltaic (PV) plant, positioned on the rooftop of a Cape Town office block, would feed excess electricity into the City of Cape Town’s electrical distribution network. The Black River Park solar project would sell electricity back to the city for...
According to forecasts, electricity demand is expected to increase significantly over the evening peak on Monday owing to cold weather, with “no cushioning” should anything unexpected occur, energy utility Eskom has cautioned. “We urge customers to reduce their...
Article contains comments
Article contains comments
More
 
 
Latest News
Gwede Mantashe
Updated 1 hour 47 minutes ago Society needs to debate solutions to strikes that last too long, ANC secretary general Gwede Mantashe said on Tuesday. "Such a debate must not be seen as an attack on workers' rights and an affront on the right to strike but rather an important step towards...
Public Enterprises Minister Lynne Brown
Updated 1 hour 54 minutes ago Public Enterprises Minister Lynne Brown told the Joint Parliamentary Committee on Energy and Public Enterprises on Tuesday that the new Eskom CEO would be appointed within weeks. She said she was “treating the appointment of a permanent CEO with urgency”.
Updated 3 hours ago The first stage of the definitive mining feasibility study (DMFS) for Tanzania-focused mineral exploration and development company Kibo Mining’s Rukwa Coal to Power project (RCPP) would be completed by the end of November, the company reported on Tuesday. Kibo...
More
 
 
Recent Research Reports
Real Economy Year Book 2014 (PDF Report)
This edition drills down into the performance and outlook for a variety of sectors, including automotive, construction, electricity, transport, steel, water, coal, gold, iron-ore and platinum.
Real Economy Insight: Automotive 2014 (PDF Report)
This four-page brief covers key developments in the automotive industry over the past 12 months, including an overview of South Africa’s automotive market, trade figures, production and the policies influencing the sector.
Real Economy Insight: Construction 2014 (PDF Report)
This five-page brief covers key developments in the construction industry over the past 12 months. It provides an overview of the sector and includes details of employment in the sector, infrastructure and municipal spending, as well as insight into companies’...
Real Economy Insight: Electricity 2014 (PDF Report)
This five-page brief covers key developments in the electricity industry over the past 12 months, including details of State-owned power utility Eskom’s generation activities, funding and tariffs, independent power producers and prospects for the sector.
Real Economy Insight: Road and Rail 2014 (PDF Report)
This six-page brief covers key developments in the road and rail industries over the past 12 months, including details of South Africa’s road and rail network and prospects for both sectors.
Real Economy Insight: Steel 2014 (PDF Report)
This four-page brief covers key developments in the steel industry over the past 12 months. It provides an overview of the global and South African steel and stainless steel markets, South Africa’s major steel producers and events that have shaped these markets.
 
 
 
 
 
This Week's Magazine
Multinational semiconductor chipmaker corporation Intel announced its national campaign to further acquire partners to drive its She Will Connect programme, an initiative that aims to expand digital literacy skills to young women in developing countries, further into...
South Africa's MeerKAT radio telescope array programme should get back on schedule within a few months. This assurance has been given by SKA South Africa (SKA SA) associate director: science and technology Prof Justin Jonas. Early last month, Science and Technology...
The Passenger Rail Agency of South Africa’s (PRASA’s) Metrorail service will remain a subsidised service following its current multibillion-rand rolling stock, station, depot and signalling upgrade programme. PRASA group CEO Lucky Montana has allayed fears that...
GARYN RAPSON Contaminated Land Provisions in the National Environmental Management: Waste Act No 59 of 2008 will open the door for court battles to determine who will be held liable for the remediation
The uncertainties around the remediation of affected areas as addressed in the Contaminated Land Provisions in the National Environmental Management: Waste Act No 59 of 2008 will possibly spark litigation and disputes between landowners and businesses, contractors...
South Africa is currently the largest component of the African Development Bank’s (AfDB’s) active portfolio in Southern Africa, comprising 62.5% of the bank’s $7.9-billion exposure to the 12-country region – the second largest beneficiary is Mauritius, which...
 
 
 
 
 
 
 
 
 
Alert Close
Embed Code Close
content
Research Reports Close
Research Reports are a product of the
Research Channel Africa. Reports can be bought individually or you can gain full access to all reports as part of a Research Channel Africa subscription.
Find Out More Buy Report
 
 
Close
Engineering News
Completely Re-Engineered
Experience it now. Click here
*website to launch in a few weeks