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Heating and Cooling

Induction heating for efficient forging

By: Zonika Botha     19th April 2002 Local firm LH Power Electronics, of Gauteng, specialises in the design, manufacture and service of medium-frequency induction heaters and high-power rectifiers for mining and industrial applications. 

Economy with induction furnaces

19th April 2002 The benefits of induction have been enjoyed by many industries. 

Versatile ceiling panels developed

By: Karel Smrcka     5th April 2002 A Czech company has developed an air-permeable ceiling panel system, which integrates three main qualities – sound absorption; combined with a high level of permeability for gases and liquids; together with a complete absence of harmful microparticles, which can be contained in... 

New steam selling era is dawning

By: Martin Creamer     29th March 2002 Energy division Alstom Power has the largest installed capacity of power generation plant in South Africa. 

Fan firm gets new image

By: Keith Campbell     8th March 2002 AS of January 31, well-established industrial fan company ABB Fans changed its ownership and name, and is now Flakt Woods Fans. 

Shift from coal to gas

8th March 2002 South Africa’s largest manufacturer of powdered beverages, Nutritional Foods, has moved away from traditional coal-fired boilers for their spray-driers to gas-fired heating, which has had a significant impact on all areas of the business, manufacturing director Dr Luis Girao reports. 

Temperature control for product quality

8th March 2002 Brainchild process temperature controllers have been ordered from Bartec, of Johannesburg, by a food and beverage processing plant to maintain product temperatures within half a degree of boiling point during processing. 

Cooling contract winds up at Tanzanian fishery

8th March 2002 Cape Town-based York Refrigeration has completed a contract for the refurbishment and supply of a new flake-ice plant for a major fishing company situated on Lake Victoria in Tanzania. 

No sour grapes for this farm

8th March 2002 Situated in the fertile Swartland farming region of the Western Cape, south of Porterville, is Groot Winterhoek Koelkamers, a world-class cooling and storage facility built to handle the locally-grown fruits. 

Accurate temperature measurement with an IR emissivity enhancer

1st March 2002 A Land infrared emissivity enhancer that improves the accuracy of the manufacturer’s System 4 and Uno short-wavelength thermometers in the temperature measurement of bright metal strip has been launched by Protea Automation Solutions. 

High-pressure heat-exchanger finds niche

By: marisa rodrigues     22nd February 2002 A technologically-advanced heat exchanger that is available in South Africa through APV Systems combines the best qualities of traditional heat-exchangers into one powerful, compact product, claims APV manager: industrial sector Barries Barnard. 

Low entry barriers for refrigeration and air-conditioning sector

By: marisa rodrigues     22nd February 2002 Trading conditions for contractors in the industry are still depressed, says Gauteng chairman of the South African Refridgeration and Air Conditioning Contractors Association (Saracca), Colin Kelly. 

Coating thrives in the hot-seat

By: marisa rodrigues     22nd February 2002 A protective coating that can withstand temperatures of close to 200 

Heat-exchangers for Namibian zinc project

By: marisa rodrigues     22nd February 2002 Specialists in the design and supply of a range of heat exchangers, Protherm Systems, of Wynberg, in Gauteng, has been awarded a multimillion-rand contract for heat exchangers for the Skorpion Zinc Mining Project in Namibia. 

Mozambican aluminium smelter awards a R4-million contract

By: marisa rodrigues     22nd February 2002 Leading Gauteng manufacturer of industrial heating elements and affiliated products, Hi-Tech Elements, has been awarded a R4-million contract for the expansion of BHP Billiton’s Mozambique Aluminium (Mozal) smelter near Maputo. 

Trace-heating system for detergent alcohol plant

22nd February 2002 Heating specialist Bartec Barlian, of Johannesburg, has won a multimillion-rand order for Sasol Olefins and Surfactants’ new detergent alcohol project at Secunda. 

Exports to heat up for manufacturer

By: marisa rodrigues     22nd February 2002 Local manufacturer of dielectric or radio-frequency (RF) heating equipment, High Frequency Heating (HFH), is looking to export on a much larger scale over the next few years. 

Insulating dock shelter cubicles

By: marisa rodrigues     22nd February 2002 Locating docking equipment outside warehouse building parameters, which allows for greater control over temperature and environmental conditions in the warehouse, is now common practice in South Africa. 

Forum for technology exchange next month

By: marisa rodrigues     22nd February 2002 South Africa’s international air-conditioning, refrigeration and ventilation exhibition and congress, Frigair 2002, takes place at Gallagher Estate from 13-15 March. 

SA axial-flow fans travel to the UK

22nd February 2002 Port Elizabeth-based Donkin Fans has secured a contract to provide the multimillion-pound London high-rise development, Canary Wharf, with Majax Axial flow fans. 

Water chiller unit for butanol project

22nd February 2002 York Refrigeration has secured a major contract at the Sasol Midland Site, in Sasolburg, for the design, manufacture and commissioning of an ammonia-refrigeration water-chiller unit for its Butanol project. 

Aircon manufacturer branded 'Proudly South African'

22nd February 2002 A manufacturer of high-quality airconditioning systems developed and built for local conditions has become one of the first companies to join Proudly South African after comfortably meeting the multi-million rand campaign’s membership criteria. 

Keeping your cool more efficiently

By: marisa rodrigues     22nd February 2002 The demand for energy for the storage and display of frozen and refrigerated foods is substantial as they create huge cooling loads. 

South African skills help global competitiveness brew

By: Laura Franz     14th December 2001 International process-engineering giant GEA is relying increasingly on its global human resources due to escalating competition in the thermal and energy technology, air treatment, refrigeration, liquid processing, powder technology and mechanical separation sectors, GEA Tuchenhagen Brewery... 

Sugar company awards big boiler contract

16th November 2001 A multimillion-rand contract has been awarded to John Thompson Boilers by Swaziland’s Mhlume Sugar as part of its mill-expansion programme. 

Dummy sweats and freezes for everybody

By: Karel Smrcka     19th October 2001 The German weather service has long since stopped referring to subjective measures of temperature in its forecasts. Some years ago, its researchers attempted to determine the effects of air temperature, humidity, wind speed and solar radiation on people's perception of comfort, using a dummy to... 

Power, heat and cooling from manure

By: Karel Smrcka     12th October 2001 Alternative energy sources currently enjoy good market prospects in Germany: from 1998 to 2000 alone, the number of biogas plants doubled to 1 200. 

Freezing-tunnel commissioned

28th September 2001 A contract for the supply of liquid nitrogen and equipment at I&J’s Paarden Eiland factory in Cape Town has culminated in the commissioning of a 12 m freezing tunnel and a large vacuum-insulated liquid nitrogen tank for freezing chicken products, including the Wild Five range, by Afrox. 

SA-German agreement signed

28th September 2001 Local company Lockers Engineers South Africa has signed an agreement with J 

Lack of standards plagues sector

28th September 2001 A lack of formal regulations and standards to govern local combustion activities is setting South African participants apart from their international equivalents. 

Aircon sector in price squeeze

28th September 2001 The commercial air-conditioning industry is in dire straits as a result clients opting for the cheapest bidder rather than the company that can delivery the best quality. 

Cooling giant opens Danish test centre

28th September 2001 A new test centre has been opened in Denmark by York Refrigeration. The facility is designed as a significant upgrade of the company’s existing Danish capacity for accurate, controlled testing of industrial refrigeration equipment, and was built at a cost of about R24-million. 

Tapes for steel-mill ducts

28th September 2001 A trace-heating system has been designed, installed and commissioned by Bartec. 

Enclosures improve workers' comfort

28th September 2001 Large doorways left open to facilitate easy access both in and out of factories present problems when faced with maintaining a pleasant and comfortable working environment. 

Keeping cool in a hot climate

28th September 2001 A simple low-energy cooling device is being researched in the UK. It uses mop fans, similar to chimney brushes, for pumping and cooling air in a hot, dry climate. 

New heaters developed

28th September 2001 The sharp rise in price of light oils, such as diesel, has prompted Safurnco to take a closer look at its range, marketing director Peter Thieme tells Engineering News. 

Cooling for armoured carrier

28th September 2001 The ability to provide robust, quality, custom-designed air-conditioning units for specific applications and meet tight delivery schedules was underscored by the completion of a contract to supply an on-board environment control system for a modified Casspir armoured personnel carrier (APC). 

'Green' air-cooling technology in UK

28th September 2001 Air which is, by nature, the safest and cheapest refrigerant, has become the focus of research by scientists who are concerned by the environmental consequences of ozone depletion, global warming and increasingly stringent legislation. 

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