Gross-Waermepumpen en 2013

HigH-capacity Heat pumps for HigH temperaturesin large-scale buildings, industry, power plants and process technology

OCHSNER

potential

economic, ecological and ethically convincing

»» responsiBility Increasing energy costs are presenting industry, commerce, trade and above all local authorities with huge challenges. The energy costs for space heating and air-conditioning or process heat represent by far the highest cost factor. The decision-makers are also being required to save primary energy and to reduce pollutants and CO2 emissions. Renew-able energy from ambient warmth or exhaust heat utilisation will in the long run guarantee the supply of energy economi-cally, efficiently and without risk. The new generation of heat pumps are the ideal solution for heating and cooling build-ings in the most efficient and inexpensive fashion.

»» reaDy for action The technology is perfected, proven and available. The Town Hall of Zurich has, for instance, been heated by water from the Limmat River using a heat pump since 1937. The tech-nology does not need to be subsidised and has no negative ecological, economical or ethical side-effects.

Using OCHSNER heat pumps, the Guidelines for Primary Energy Efficiency (Energy Building Certificate) are achieved in an inexpen-sive fashion, without having to compromise as far as the building fabric is concerned. This has often to be maintained, even dur-ing energy-system renovation (building conservation orders etc.). Compared to heat insulation, the energy-system renovation by means of a heat pump usually costs significantly less, although the same savings of primary energy and operational costs as well as CO2 reduction can be achieved.

»» economy Due to the absolute minimising of the operational costs for heating and cooling, we provide economic building technol-ogy and increase the value of the building significantly. Whilst heat pumps for single-family houses represent the most used heating technology in many places, the broad use in large-scale buildings as well as in industry and commerce has still to be realised.

Decisive advantages

»» The heat pumps provide decisive advantages for building energy certificates.

»» Ecodesign Energy label documents the energy efficiency of a heat pump.

OCHSNER stands for highest efficiency, operational safety and longevity.

»» efficiency Due to the savings in energy and operational costs achieved in comparison to conventional heating or cooling systems, the use of high-capacity heat pumps is especially economical and environmentally friendly.

A further essential usage potential of heat pump technology for increasing energy efficiency lies in energy and power plant technology as well as in district heating networks.Chemical, mechanical, endogenous and exogenous processes of all kinds can be used as heat sources or heat sinks.

Exhaust heat of all kinds from exhaust air, cooling water or heat from waste water can be used meaningfully with heat pump technology.

fit for future

OCHSNER industrial heat pumps work efficiently and are envi-ronmentally friendly, achieving low operating costs, maximum operational safety and longevity.Components of the highest quality, decades of experience and a simple, compact design are the basis for energy efficiency, operational safety and customer satisfaction.

During the past years, OCHSNER has continuously re-engineered its high-capacity heat pump series. The aim of this research and development program was especially

» to increase the COP values» to increase the flow temperatures up to 98°C» to expand the operating limits» to provide maximum operational safety / availability» to optimise the control characteristics» to optimise the dimensions and weight» to reduce noise emission» and to secure telemonitoring

OCHSNER

innoVatiVe tecHnology

In-house testing station for high-capacity heat pumps

» Full-load testing with test protocols under field conditions up to 800 kW

» Testing to EN 14511 – provides security!

Regulation and control technology

» The control terminal with LCD-display allows the reading of all in- and outputs, the changes in operational temperature as well as the acoustic and optical display of all malfunction reports.

» The control has been developed especially for the high-per-formance compressor with Economizer in heat pump opera-tion, as well as for the two-stage high-temperature refrigerant circuit resp. turbocompressor. All measured values are moni-tored and regulated continuously and in real time.

» SmartGrid compatible

» Communicable control for the simple integration in the building management system for networking by means of LonWorks®, Modbus®, BACnet.

» Continuous telemonitoring and registration of the operation conditions via Internet or LAN by means of the OCHSNER supervision system (accessory)

65

50

98

Compressor» Semi-hermetic compact scroll compressor» Twin-shaft rotation displacement machines with asymmetric

high-performance profiles» Slide-switch control, rotation speed control (optional)» High operational safety by means of efficient force-fed

lubrication» Maintenance-free operation» Mechanical soft-start using pressure compensation whenever

the compressor is switched on

Series ISWS, IWWSWith scroll compressor

Compressor» Turbocompressor, two-stage» Oil-free operation via magnet bearing» Highest possible COP in partial-load operation» Exact adjustment of performance to the heat load of a system

by means of speed-controlled drive (continuously variable rotational speed control – 18,000 to 48,000 rpm)

» Lowest noise emission – sound pressure level at 1 m distance: 78 dB(A) at 350 kW performance

» Lowest staring current

Compressor» Scroll compressor in special high-temperature design

Electronic OeCC injection technology (OCHSNER electronic Cooling Cycle Controller)» Injector for evaporator and Economizer» Highest COP due to precise overheat control» Maximum evaporator utilisation due to stable overheating

throughout the complete operational range» High security due to full compressor protection

(no liquid slugging)

Series IWWT, ISWTwith turbocompressor

Series High-temperature IWP 98 with scroll compressor

OCHSNER

proDuct oVerView


throughout the complete operational range» High security due to full compressor protection (no liquid

slugging)

OVI-Technology (OCHSNER Vapour Injection)» Super-cooling circuit with partial flow vapour injection» Increase in heating capacity by increased mass flow» Flow temperatures up to 65°C

Refrigerant circuit» Tube-bundle heat exchanger as evaporator and condenser

Capacity range» 120 kW bis 1 MW


Refrigerant circuit» Tube-bundle heat exchanger as evaporator and condenser

Capacity range» 220 kW UP TO 385 kW


Single-stage refrigerant circuit» For heat source temperatures from 30°C to 55°C and heating

system flow temperatures up to 98°C» Tube-bundle heat exchanger as evaporator and condenser» Refrigerant: Öko 1 (HFC), low GWP

2-stage refrigerant circuit» For heat source temperatures from, for instance, 10°C and

heating system flow temperatures up to 98°C» Tube-bundle heat exchanger as evaporator and condenser» Plate heat exchanger used as interim heat exchanger» Refrigerant: 1st stage R134a, 2nd stage Öko 1 (HFC), low GWP» Special start-up control

Capacity range» 190 kW up to 750 kW


throughout the complete operational range» High security due to full compressor protection (no liquid slugging)

OCHSNER

applicationsHeating, cooling, energy recuperation in buildings, commerce, sports facilities

»» large Volume BuilDings Heating and air-conditioning of office buildings, residential buildings, administrative buildings, educational establish-ments, hospitals, supermarkets, warehouses, manufacturing facilities etc.

»» catering inDustry anD sports facilities Heating for accommodation areas, swimming pool heating, hot-water heating, air conditioning. Short pay-back periods due to continuous high heat loads.

»» agriculture Heating of greenhouses or pools for fish breeding

»» infrastructure Icing prevention on roads, railroads, concrete roads, grass and sports fields

Heating and cooling

Exhaust heat is at present largely unused and burdens the environment. In many buildings, heating and cooling is required at the same time. Instead of generating heat with a fuel-fired furnace and parallel to that cooling with cold water, the heat pump can fulfil both functions (heating and cooling) at the same time. In the process, unbeatably high energy efficiencies with unsurpassably low operating costs result.

Heat source renewable ambient heat

» Ground water » Soil» Outside air

Heat source exhaust heat

» Exhaust heat from server rooms / IT

» Climate systems / cooling network (in house)

» Exhaust air (in house)» Communal waste water sewers

OC

OCHSNER

applicationsEnergy recuperation from process and exhaust heat in industry, process and power station engineering

If the heat pump is working in the heating and cooling mode simultaneously, the COPs can be added together.

»» utilisation of low-temperature exhaust heat (up to 30°c) in order to generate room and process heat (up to 98°c) Low-temperature exhaust heat, which cannot be reutilised using conventional heat exchangers, is available in large quantities, especially as a result of mechanical processes or cooling processes in the chemical, pharmaceutical and food industries. Using heat pumps, this low-temperature exhaust heat can be efficiently brought back up to a useable tempera-ture level.

»» utilisation of medium-temperature exhaust heat (35 - 55°c) From flue gas (heating plants), from the return pipework of district heating networks, chemical processes as well as power station processes in order to generate process heat or district heating up to 98°C. For the first time, heat flows at this temperature level can be used and flow temperatures of up to 98°C economically generated.

»» the heat pump circuit as a cooling process The heat pump circuit can, as a cooling process, in many cases usefully replace cooling towers and other energy destroying systems. If heat (up to 98°C) is then needed at the same time in other parts of the process, the highest COPs and thus the highest energy efficiencies are the result.

»» Hot water heating up to 98°c For food industry, dairies, abattoirs, beverage industry etc.

Use of waste process heat

Process heat input

Heat source

Cooling function Heating function

Heat sink

Heat pump

OCHSNER

references

»» Vattenfall HamBurg Heat source EDV-Server room, Heating capacity 2x 360 kW, Cooling capacity 2x 245 kW

»» fronius wels Heat source ground probes, heating capacity 375 and 170 kW, Cooling capacity 395 and 203 kW

»» altes ratHaus (olD town Hall) Bonn Heat source ground water, heating capacity 142 kW, Cooling capacity 157 kW

»» megaBaumaX salZBurg Heat source ground water, heating capacity 327 kW

»» energie ag Heat source ground water, heating capacity 337 kW

»» ÜBerlanDwerk krumBacH Heat source waste water sewer, heating capacity 120 kW

implemented ocHsner-projects

Megabaumax Salzburg

Energie AG Linz

Vattenfall Hamburg

Citigroup Frankfurt

»» staDtwerke amstetten Heat source waste water sewer, heating capacity 228 kW

»» citygroup frankfurt Heat source cooling water, heating capacity 2x 175 kW

»» gemÜ emmen Heat source ground water, heating capacity 930 kW

»» eVangeliscHe gemeinDe Bonn Heat source ground water, heating capacity 2x 130 kW

»» rosenZucHt Department Var Heat source breeding pool, heating capacity 440 kW

»» ...

OCHSNER Wärmepumpen GmbH(Firmenbuch)Krackowizerstraße 4A-4020 [email protected]

Zentrale/WerkOchsner-Straße 1A-3350 HaagTel: +43 (0)5 042458Fax: +43 (0)5 04245-349Endkunden-Hotline: +43 (0)820 [email protected]

OCHSNERWärmepumpen GmbH DeutschlandElxlebener Weg 10D-99310 ArnstadtTel: +49 (0)3628 6648-0 Fax: +49 (0)3628 6648-497Endkunden-Hotline: +49 (0)1805 [email protected]

OCHSNER EastPL 30-198 Kraków, Zakliki z Mydlnik 16Tel: +48 (0)12 4214527Fax: +48 (0)12 [email protected]

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Gross-Waermepumpen en 2013

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