Geothermal Heat Supply to the Termas Puyehue Wellness & SPA Resort in Chile

 

Client:

Termas Puyehue Wellness & SPA Resort

Puyehue - Osorno


Land/Region: Chile

 

Period: 2007 - 2008

Project Description:

The Termas Puyehue Wellness & SPA Resort is located in the Los Lagos region on the foothills of the Andes..

The main attraction of the complex is thermal water running off freely from numerous springs which is collected centrally and then, among others, fed into several pools.

By then, the heating and sanitary hot water preparation systems have been based supplied from three decentralized boiler stations working on fuel oil or LPG.

Now, the above thermal water is used for the supply of base-load heat, in particular to the floor heating systems. For that, pre-insulated plastic pipes were buried up to the newly installed heat exchangers, und numerous thermal protection measured were implemented. The overall system was completed by state-of-the-art control technology. But the focus was directed towards a thermal water management ensuring the exploitation of the limited thermal water potential also in the perspective only to such an extent that the balneological applications can be used at high quality level at any time. Finally, approx. 1,200 MWh (calorific value) of fossil fuels or 48 % of the demand existing by then are saved annually.

 

GTN Services:

  • Feasibility Study
  • Design, call for bids, supervision of the construction of the thermal water distribution system and its thermal exploitation

Facts and Figures:

Facility

  • Heated building volume 32,000 m³

Production units

  • Installed boiler capacity 2,100 kW
  • Thermal water
    • Flow rate 9 l/s
    • Temperature 40 … 55 °C

(varying seasonally)

  • Heat exchangers 285 kW and 265 kW

Consumer units

  • Heat demand 1,720 MWh/a
  • Heating network parameters
  • Radiators 60 °C/40 °C
  • Floor heating systems  40 °C/25 °C

 

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