Manufacturers, not just integrators

Zuccato Energia is not just a simple system integrator but a manufacturer with several years of experience that designs and builds its own power generation modules using the most advanced simulation software and CAD / CAM systems

Our Know-How

Design

As we are manufacturers, we can supply both standard modules and modules with different degrees of customization, from simple tweaks to the operational parameters to full-custom systems completely tailored on the client's needs.

Maintenance

Zuccato Energia's customer care extends far beyond supply and commissioning, with maintenance services ranging from contract maintenance to 24/7 on-call service to ensure your plant always operates constantly and reliably.

Integration

We can offer solutions ranging from supplying simple flange-to-flange modules to delivering complete turn-key installations complete with thermal source, fully integrated by us or in cooperation with customer-chosen integrators.

Financing

Our experience allows us to supply reliable financial simulations and business plans to cover any scenario. Thanks to our highly-qualified partnerships, we can also help you find an Es.Co. or financial support for your project.

All systems produced by Zuccato Energia are based on the organic Rankine cycle, a high-efficiency thermodynamic cycle that takes its name from its inventor, the Scottish physicist W.J.Macquorn Rankine (1820-1872), one of the fathers of thermodynamics.

Working Principle

The Rankine cycle - and in particular the organic Rankine cycle, has characteristics that make it ideal for heat recovery and the exploitation of low-temperature heat sources in general. Its working principle is simple, but it is better explained through a schematic (see above):

Heat (Qin) is conveyed to an heat exchanger (2) called evaporator, increasing the temperature of a working fluid circulating into it. In the original Rankine cycle this working fluid was just water going into steam, but in the organic Rankine cycle, it is instead an organic fluid with a boiling point far below that of water - which in Zuccato Energia plants is also non- toxic, non-flammable and ozone-friendly.
This fluid, when exposed to heat, expands into a high pressure dry gas (3) that spins a turbine generating mechanical energy (Wturbine).In our plants, this energy is converted into electricity by a direct-drive generator mounted on the turbine impeller shaft, and the electricity is then output to the grid or used in place.

On exiting the turbine the working fluid - now in gas form - is then conveyed to a second heat exchanger (4), called condenser, where it sheds its excess heat condensing back into a liquid. The liquid working fluid is then pumped back into the evaporator heat exchanger by a specific pump (1), thus completing the closed ORC loop.

Excess heat released in the condenser (Qout) is in itself an exploitable thermal resource which can be used directly, e.g. to preheat fuel or dessiccate biomassabout to be burned, thus reducing its water content and increasing its energy value. In purpose-designed systems (e.g. our CHP-series modules), excess heat temperature is high enough for combined heat and power generation (aka cogeneration) or for combined heat, power, and cold generation (aka trigeneration) with the use of heat absorbers.

Why choose Zuccato Energia?

The ORC modules by Zuccato Energia have several advantages that should motivate a potential customer to choose them over our competitors

Technological Advantages

  • The high thermodynamic efficiency of the ORC

  • The high efficiency of the turbine (up to 90%)

  • High performances under partial load - i.e. generation can be modulated according to available thermal energy

  • Minimal impeller wear thanks to the use of ceramic bearings

  • Direct-drive, high-speed alternator eliminates the efficiency losses inherent in gearboxes;

  • Use of water as vector fluid instead of flammable, polluting diathermic oil ensures maximum operational safety

  • Eco-friendly working fluid that's neither toxic nor flammable

  • Totally dry working fluid that preserves the impeller from cavitation and erosion

  • Totally sealed closed cycle that avoids pollution, refills and contamination of the working fluid

Operational Advantages

  • Low operating pressures do not require specialty-trained operators or special authorizations

  • Minimum environmental impact that drastically reduces bureaucratic red tape

  • High versatility allows application to several industrial sectors

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