Can be used for cooling even in summer! Achieves low running costs by not using a heat pump.
We would like to introduce a case of the "Heat Pump-less Snow Melting Facility (Cool Sewage)" constructed on the park sidewalk in Tsurumi Ward, Yokohama City. The feature of this facility is that it is a system that circulates sewage heat without using a heat pump, achieving low running costs. Additionally, by operating it during the summer, it can also be used for cooling pavements and bench handrails, which is why it is referred to as "Cool Sewage." 【Facility Overview】 ■ Construction Year: 2018 ■ Construction Location: "Tsurugamine Machikado Plaza," Tsurumi Ward, Yokohama City ■ Sewage Pipe Diameter: Circular 1500mm ■ Design Snow Melting Heat: 201.2W/m2, Design Hourly Snowfall Depth: 1.95cm/h, Total Design Heat: 4.95kW *For more details, please refer to the PDF document or feel free to contact us.
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【Other Equipment Overview】 ■ Heat Collection Section: Heat collection pipes made of polyethylene, φ17mm × 10 circuits, heat collection extension 36m (return method) ■ Circulation Section: φ32 × 0.75kW ■ Heat Dissipation Section: Heat dissipation pipes SUS15A, P=150mm, area 24.6m2 ■ Wastewater Temperature: Summer 26–27℃, Winter 8–16℃ (observation days) *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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A comfortable and convenient life, along with the blessings of nature. We need both of these. While making our communities safer and more comfortable, we must protect the natural environment. It's a challenging theme, but if we face it seriously, we can surely achieve it. What makes this possible is creativity and technology. Kowa will leverage the technical know-how we have accumulated and continue to strive for a balance between the two.