The 208,400 inhabitants of Rostock won’t get cold anytime soon: Thanks to a new, impressively large heat storage tower, the city can now bridge short-term outages in its district heating network. The 55-meter-high steel colossus reaches skywards like an oversized thermos flask. It stores enough thermal energy to supply district heating customers with hot water to cover their central heating and domestic hot water needs for up to a whole weekend.
KLINGER valves for reliable hot water systems
KLINGER Fluid Control played a key role in the heat storage facility’s implementation, supplying a total of 25 ball valves of various designs, some of which are installed in the newly constructed pump house.
“KLINGER valves are an integral part of the systems technology. Their functions include reliably shutting off the hot water system. And reliability is key here, being the foundation of the system’s safe operation,” says Alexander Christen, spokesman for public utility Stadtwerke Rostock.
The other main reason for going with KLINGER Fluid Control products was their availability. “We are very satisfied with our cooperation with KLINGER,” sums up Roland Schulz, the Area Manager for energy systems. The utility company also set great store by having a partner with whom an effective long-term maintenance strategy could be developed, and KLINGER Fluid Control ticked all the boxes.
Efficient storage of electricity from renewables
René Arnold, the sales representative for Germany at KLINGER Fluid Control, supported the implementation for two years and knows the requirements like no other: “The heat storage system allows the operation of the adjacent gas-fired power station to be largely decoupled from heat demand. This way, power can be generated at times where electricity prices are high, even when heat demand is low.” The surplus electricity from renewable energy sources can be converted into heat by means of a power-to-heat plant and temporarily stored in the heat accumulator for use at a later time, such as at night or on weekends. “This project brings Rostock a step closer to its climate-neutral heat supply target of 2035,” says René.