http://www.engineeringnews.co.za
  SEARCH
Login
R/€ = 14.24Change: -0.06
R/$ = 10.75Change: -0.10
Au 1289.67 $/ozChange: -3.47
Pt 1426.00 $/ozChange: -2.00
 
 
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 Tenders Suppliers Directory Research Jobs Announcements Contact Us
 
 
 
RSS Feed
Article   Comments   Other News   Research   Magazine  
 
 
Sep 21, 2012

Manufacturer launches new coal-fired boiler

Back
Africa|Bosch Partnership|Bosch Thermotechnology|Cleaning|CoAL|Components|Dryden Combustion|Gas|Pumps|Shell|Systems|Water|Africa|South Africa|Cleaning|Energy|Equipment|Service|Systems|Gordon Slater|Power|Sue Kiley|Water
Africa|Cleaning|CoAL|Components|Gas|Pumps|Shell|Systems|Water|Africa||Cleaning|Energy|Equipment|Service|Systems|Power|Water
africa-company|bosch-partnership|bosch-thermotechnology|cleaning-company|coal|components|dryden-combustion-company|gas-company|pumps|shell|systems-company|water-company|africa|south-africa|cleaning|energy|equipment|service|systems|gordon-slater|power|sue-kiley|water
© Reuse this



Boiler reconditioner and manufacturer Dryden Combustion launched its new Mk7 coal-fired boiler in South Africa this month.

Two of these boilers will be installed in the Cape later this year.

“The new Dryden Mk7 coal-fired boiler is a welcome alternative to an industry that has had limited options to date,” says Dryden Combustion MD Gordon Slater.

He claims that, for more than 20 years, there has been only one main supplier of coal-fired boilers in South Africa and that the Dryden Mk7 will create competition in the market.

The boiler has outputs ranging from 1 000 kg/h to 21 000 kg/h and features operating pressures of up to 2 000 kPa.

“The Dryden Mk7 comprises a fully wetback range of coal-fired boilers. It is a modern, efficient unit, with a three-pass shell-boiler design, coal-fired with a fully water-cooled combustion chamber. The twin-flue boilers have separate walker-type combustion chambers, allowing single flue firing.

“A variety of models are available and manufactured under the supervision of an approved third-party inspection authority,” Slater says.

The Dryden Mk7 has a specially developed, high-efficiency low-power induced draught fan, with curved and radially tipped blades for minimum fly-ash build-up.

“The fan and impeller are statically and dynamically balanced for smooth operation in service.

“The boiler output is affected by the change in the calorific value of the fuel. The burning of fibrous fuels can also be accommodated,” says Dryden Combustion director Sue Kiley.

She explains that the Dryden Mk7 is fitted with a chaingrate stoker, with wide links for improved combustion performance.

“As it is one of the hardest worked components of any shell boiler, the stoker has a rugged design. Combustion air is provided by balanced draught equipment, which can be controlled by either a single-lever control unit or as an optional extra through a solid state-type electronic controller.

“These devices correctly adjust the induced draught dampers, forced draught damper and stoker motor speed for the most efficient combustion conditions.
“Efficiencies at full-rated capacity of up to 79% are attainable, with washed pea coal having a gross calorific value of 27 500 kJ/kg,” Kiley says.

She further explains that soot-blowing equipment is fitted as a standard feature to lengthen the intervals between tube cleaning and extend boiler activity in service.
“Direct coupled twin multistage boiler feed pumps are mounted on the boiler subframe, ensuring 100% standby for boiler feedwater.

“The control panel contains all the associa- ted electrical equipment and can be mounted on the boiler subframe, in accordance with the packaged boiler concept,” Kiley notes.

“We also offer the latest available technology for new boiler control systems, optimising combustion efficiency, saving energy and reducing air and noise pollution,” Slater adds.


Dryden Combustion was recently appointed as a partner and South African marketer and distributor of Bosch Thermotechnology.

“Bosch Thermotechnology manufactures more than 1 500 boilers a year. We have already received an order for a 20 000 kg/h, 30 bar gas-fired Bosch boiler, fitted with Hamworthy low-nitrogen-oxide, high- efficiency burners. The boiler will be delivered later this year,” Slater states.

Edited by: Chanel de Bruyn
© Reuse this Comment Guidelines (150 word limit)
 
 
 
 
 
 
 
 
Other Manufacturing News
The Eastern Cape’s Nelson Mandela Bay is well on its way to becoming South Africa and Africa’s hub for green energy components manufacturing and technologies, said Coega Development Corporation (CDC) energy division investment manager Sandisiwe Ncemane on...
Southern African leaders ended their two-day summit on Monday having resolved to direct member states to put industrialisation at the top of Southern African Development Community's (SADC’s) regional integration agenda. A Ministerial Task Force on Regional Economic...
Trade and Industry Minister Dr Rob Davies
National Treasury has issued instruction notes to all government departments and State entities making the local procurement requirements set out in the designation of electricity meters and boats by Trade and Industry Minister Dr Rob Davies earlier in the year...
More
 
 
Latest News
A global transportation price index has ranked South Africa the cheapest overall for bus, trains and aeroplane travel for every 100 km out of 51 countries. Online platform GoEuro compared the average price a 100 km of rail, road or air movements between the most...
The processing of the Government Shareholder Management Bill, which was yet to be tabled before Parliament by the Department of Public Enterprises (DPE), would have to be sped up, Portfolio Committee on Public Enterprises chairperson Dipuo Letsatsi-Duba said on...
Gautrain bus drivers went on strike on Wednesday, forcing certain bus services to be suspended, the Bombela Concession Company said. "Please note that a wildcat strike by Gautrain bus drivers in Johannesburg has resulted in the suspension of bus services from Park,...
More
 
 
Recent Research Reports
Road and Rail 2014: A review of South Africa's road and rail infrastructure (PDF report)
Creamer Media’s Road and Rail 2014 report examines South Africa’s road and rail transport system, with particular focus on the size and state of the country’s road and rail network, the funding and maintenance of these respective networks, and the push to move...
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.
 
 
 
 
 
This Week's Magazine
The Built Environment unit at the Council for Scientific and Industrial Research (CSIR) has developed a cost-competitive ultrathin concrete pavement surface that, for the upgrading of unpaved roads to paved roads, is more durable than many other pavement alternatives...
The Southern African Large Telescope (SALT), based at Sutherland in the Karoo region in the Northern Cape province, is promising to become an important instrument for research into dark matter. "SALT is shaping up to be very important for answering questions about...
HENK SNYMAN TDM supports broader industrial activity that has a multiplier-effect on the potential to beneficiate raw materials in many industries
The South African tool, die and mouldmaking (TDM) industry is being revitalised to locally produce the tools, dies, moulds and fixtures required by the manufacturing sector. Local TDM capability is key to enable the manufacturing industry to remain competitive, says...
Misfortune often finds its roots in the smallest of things. Such as a centimetre or two. Or is that in inch? Perhaps a foot? Swedish or Dutch? The French had reason to blush in May as it became apparent that national rail operator SNCF had ordered 2 000 trains that...
The repositioning of the Fibre Processing & Manufacturing Sector Education and Training Authority (FP&M Seta) and its business processes will ensure improved performance in reaching strategic targets and in providing customer service.
 
 
 
 
 
 
 
 
 
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