The rising costs of heating fuel, the costs of maintaining seven individual oil boilers and the introduction of RHI (renewable heat incentive) led the client to consider a more sustainable source of heating his cottages.
New Biomass Boiler & Heating System including Pipework
Turnbull & Scott undertook a Technical Survey of heating loads across the site and the suitability for district heating scheme. The biomass plant comprises a 150kW Schmid UTSL wood chip boiler supplied by Imperative Energy Ltd and a 1500litre thermal store to assist with high peaks in thermal demand whilst the fuel store can hold up to 75 Tonnes of woodchip and consists of a rotary extractor at floor level within store.
The boiler house was designed to fit into an existing disused barn which the client renovated prior to the project starting. The district heating main is a pre-insulated twin pipe which runs underground and enters each property. Each Property had a HIU (hydraulic interface unit) which allowed the district heating main to connect with the existing heating and hot water system within the cottages.