A new generation of engines for renewable power and CHP. Initially from low
quality landfill gas that is flared or vented, then other renewable fuels, both
liquids and gases		 Click here to download the Vykson flyer on global renewable power generation  
   
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  BACKGROUND

Vykson has evolved from work first started on small gas turbine engines in1985. Development work has been carried out at Queen's University Belfast, and on field test sites.

These engines differ from conventional microturbines in that they are not particularly small physical size, and use conventional low speed power generation equipment as any reciprocating engine would. They are designed specifically to suit the low quality (low calorific value) and waste fuel market for renewable power generation and the operating environment involved, and are not a hybrid of any other design. Reliability, remote operation, and ease (as well as affordability) of maintenance are prime considerations.

Vykson has built up very specialised knowledge and Ip in this field over many years, which is now being commercially exploited. The engine design from the ‘ground up’ including turbines has been carried out by Vykson Ltd. Below are some of the previous developments carried out.
VYKSON BLOWER ENGINE

This small 'low cost' gas turbine engine was developed to replace existing diesel engine driven blowers for Bulk powder Tankers. The primary advantage was a weight saving of 500 Kg over conventional blowers, thereby offering increased payload. Selling price was also competitive as well. The other advantages are: simple operation, smooth pulse free air supply, clean 'oil free' air, no liquid cooling system required, impossible to 'over pressure' system, no vibration, low maintenance and low noise levels.

The engine design is based on the use of turbocharger compressor and turbine wheels, which form the core of our own design of turbine engine. Air is bled from the engine compressor for blowing. Starting is by compressed air held in supplementary reservoirs, which are connected to the truck braking system for air supply. The electrics for oil and fuel pump operation are also taken from the truck. The fuel used is diesel.

 Figure 1 shows the engine installed in the nose cone of a bulk powder tanker, with engine access door and silencer. Figure 2 shows the first demonstration of the free standing prototype engine connected to a cement tanker. Figure 3 shows the engine packaged for mobile demonstrations. Figure 4 shows the air intake/access door to the cement blower engine installation. Over 2000 blowing operations were proven during the field trial period with this installation, with an average blowing rate of one tonne per minute on cement.
VYKSON 60

 This was a further development of the blower engine to provide a prime mover for high-speed alternators. This engine is rated at 60kW, although it has been uprated to 90 kW for other applications. It was supplied to companies who were developing high-speed generators.

 Figure 5 shows the 60 kW engine in a frame with all ancillaries, ready for mounting the high speed alternator on the front flange. Figure 6 shows the 90 kW version packaged in a soundproof box.


VYKSON 60 LFG

This again was a further development of the basic Vykson 60 engine, and the prime purpose was to burn low quality Landfill Gas in the range of 30% to 12% Methane. This required the development of a special burner (as seen in the photographs) and following over two years development and field trials worked extremely well in burning down to 12% Methane with no pilot fuel. Combustion was very stable and with exceptionally good emissions.

In conjunction with this a small turbine driven centrifugal compressor was used to take the LFG from the gas collection manifold and compress it for combustion.

This containerised package was offered as an alternative to venting this low quality gas, which in many cases was of to low a quality to flare off. However, we did not have the financial resource to add a generator to this engine, which would have then made a much more marketable product.

Figure 7 shows the containerised engine on a landfill site during testing, with gas collection manifold from several gas wells. Figure 8 shows part of the burner with gas control valve over it, and the engine with the gas compressor above it. propane is used for starting and then the fuel is automatically switched to LFG only once up and running.

 












































































































































For further information
please contact us:
info@vykson.com
+44 (0)1825 872105