UHRIG has already installed a large number of plants for the recovery of wastewater heat throughout Germany, Europe and the world. They perform their service reliably and provide people with the heat they need. The climate-friendly and renewable resource wastewater helps to protect the environment, save the climate and also has economic advantages. Here, ecology and economy are brought together in an wonderful way.
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At this point we would like to give a more in-depth insight into some of the projects.
Project: “Environ” office building in Rheine
Framework data
- Client: Energie- und Wasserversorgung Rheine GmbH
- Location: City of Rheine (76,000 inhabitants), North Rhine-Westphalia, Germany
- Building project: New office building, 4 floors (2019)
Use of wastewater heat
- Therm-Liner: Type B
- System length: 47 m
- Sewer: Hood profile 1680/2100
- Dry weather runoff: 30 l/s
- Thermal extraction performance: 105 kW heating, 113 kW cooling
- Transport medium: Water with 20% glycol admixture
Energy concept
- Bivalent system: Combination of wastewater heat and geothermal energy
- Electricity for heat pump: Mix green electricity and own PV system
- Supply: Completely CO2-free
Project: Stuttgart Neckarpark district
Framework data
- Client: Stadtwerke Stuttgart
- Location: Stuttgart (635,000 inhabitants), Baden-Württemberg, Germany
- Building project: District development with residential and commercial
Use of wastewater heat
- Therm-Liner: Type A
- System length: 300 m
- Sewer: Box profile 2400
- Dry weather runoff: 170 l/s
- Thermal extraction performance: 2,100 kW heating
- Transport medium: Water with 20% glycol admixture
Energy concept
- Multivalent system: Wastewater heat as a base load cover, in addition, among other things cogeneration
- Electricity for heat pump: Proportionately via PV in the neighbourhood
Project: Wangen, expansion of the heating network, 2019
Framework data
- Client: Stadtwerke Wangen
- Location: Wangen im Allgäu (population 88,000), Baden-Württemberg, Germany
- Building project: Feeding wastewater heat into existing heating network
Use of wastewater heat
- Therm-Liner: Type B
- System length: 250 m
- Sewer: Circular profile DN 1900
- Dry weather runoff: 50 l/s
- Thermal extraction performance: 400 kW heating
- Transport medium: Water with 20% glycol admixture
Energy concept
- Wood chip firing system: 2 x 1,000 kW (FL/RL: 85/55° C)
- Heat pump wastewater: Level 1: 300 kW (FL/RL: 62/55° C)
- Heat pump wastewater: Level 2: 300 kW (FL/RL: 68/62° C)
- Cogeneration: Level 3: 300 kWth (FL/RL: 75/68° C)
- Peak load gas/oil: 3,500 kW (FL/RL: 85/55° C)
References & Studies
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Good reasons to choose Uhrig
Sustainability & Environmental protection
Sustainable and careful action is not just a cliche for us. We make bodies of water clean again and ensure that our groundwater always remains clean.
Experience & Know how
With over 55 years of experience in civil engineering and sewer construction, we know what is important in our complete solutions which are well thought out from start to finish, so that we can hand over a project that is ready for operation.
Innovation & Engagement
There is always an adjustment, that would enable us to do even better with our products. We therefore constantly work on innovations and improvements.
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