FEAT RE FEA ATURE
BOILERS PUMPS & VALVS & VALVE S S, P,
CREASING THE ENER GY EFFICI ENC Y of diffusion pumps
T
he subject of energy efficiency of vacuum solutions plays an important role in all areas of application. Vacuum supplier Leybold, from
Cologne, has continuously reduced the energy consumption of its product range in recent years. Diffusion pumps do no t have any moving parts - their principle of operation is based on steamed propellants, thus enabling extremely reliable and low-maintenance operation. In addition, they are robust and offer an excellent cost/performance ratio for high vacuum generation.
Leybold has recognised the potential to raise this established technology to a contemporary level and has significantly reduced the energy cons umption of th e established DIP (right, bottom) and newly developed DIJ diffusion pump series (top), with the aid of intelligent technologies and innovations. The company now provides a number of optimisedmodels and accessories that are flexible and can be implemented worldwide into the relevant diffusion pump applications. The new DIJ family convinces with an optimised housing design, offering
connections for both ANSI flange and ISO flange components as we ll as variou s electrical connection variants. The new
pressure range from10- 2 has been especially impro five-stage nozzle system
of the DIJ series
to 10-3mbar . ved for the
Through design changes and modern control elements, the
vacuum specialist was able to reduce the energy consumption of the
diffusion pumps by an average of 30 per cent - without sacrificing performance. The lowering of the energy requirement has a positive effect in all area Even small incre
ases in efficiency of s of application.
individual vacuum components can lead to improved energy balances, and noticeable reductions in
operating costs for customers and users over the entire service life of the plants and equipment.
The greatest savings potential was achieved by selecting an improved heating system and adjusting it to produce the propellant steam. In addition, energy is saved by an optimised arrangement of the heating elements in the boiler room, the loss-free energy transmission and the thermal insulation.
During a typical production cycle, the full heater power must only be used during the initial heating up of the pumps boiler room In the following process phases, the necessary energy supply can be controlled exactl settings of the c
.
ontrollers. y with the
For this, sensors in the boiler room measure the oil and heater temperature. As soon as the optimum is reached, the heating output is lowered. The power consumption is adapted to the requi respectiv
e operating point by rements at the
means of the energy
regulator, operating manually or via a PLC, with the
measured pump data store d inside. It integrate
own process controller and can be exported and
evaluated via a USB port. Compared to the energy consumption of unregulated standard pumps, energy savings of up to 50 per cent are possible, depending on the process cycle .
A large number of users from a wide range of industrial and research areas are benefiting from the economic and ecological improvements of this established high vacuum pump.
In this way, these diffusion
pumps fromLeybold, developed by the vacuumengineer Wolfgang Gaede about 100 years ago, will continue to generate andmaintain efficient and stable high-vacuu m processes in the future.
www.leybold.comd. www
Leybold ww.
d into the customer’s can be easily
INCREASING THE ENERGY EFFICIENCY
ICS Cool Energy partners with Viessmann andWeishaupt for efficient hire boiler range
Temperature control provider, ICS Cool Energy, has chosen a combination of Viessmann boilers coupled with Weishaupt burners for its hire fleet, which can deliver fuel efficiencies of up to 94 per cent.
Selected specifically for its build quality and robust designs, the chosen boilers and burners are supplied by companies with a reputation for high standards and continuous innovation.
The Viessmann 270kW boilers come fitted with a Weishaupt pressure jet burner, circulation pump, shunt pump, mixing valve, expansion vessel, strainer, air separator and all necessary controls, together with monitoring and safety devices to allow remote boiler status and fuel level monitoring. The boilers also feature a combustion chamber that combines a larger water content with a three-pass system. This design enables longer burner run times, minimising burner switching intervals and resulting in cleaner combustion and low NOx emissions.
Alongside this, the reliableWeishaupt burners feature digital combustion management to provide constant and precise control of combustion ratios,
maximising fuel efficiency and further reducing emissions.
Russ Baker, UK sales director of the hire division at ICS Cool Energy, says: We are proud of our reliable, energy efficient and low emission fleet of hire boilers, and the components we use are integral to delivering this efficiency. Opting for Viessmann boilers and Weishaupt burners has allowed us to continue to offer high quality long-lasting solutions alongside fast response for a wide range of applications.”
“ ICS Cool Energy www.icscoolenergy. om T: 0800 840 4210
cscoolenergy.com
18 18
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OCTOBE
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2017 | FAC
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FACTORYEQUIPMENT RYEQUIPMENT
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