Stem Challenge Energy management systems, CHP, Harvester tank, green roofs and underfloor heating. 1.

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Presentation transcript:

Stem Challenge Energy management systems, CHP, Harvester tank, green roofs and underfloor heating. 1

Under floor Heating in the Hub Thermostat controlling the underfloor heating This picture shows the floor where the heating pipes are coiled Polypipe flow & returns which are sited in the wall. The thermostat controls the operation of the circulating pump, normally set at 20 C. Only the Ground, 1 st and second floors in the Hub has underground floor heating.

Allen Martin BMS. Main site. This shows the main screen of the heating for A & B blocks

Intelegent Grunfoss pumps This is showing the plant room for the Aspire West block 2

Alarms Alarms will automatically appear on the alarms page.

Calendar By setting winter, summer, special & frost will allow you to programme for the year

STEM CHALLENGE CHP Combined heat and power (CHP) integrates the production of usable heat and power (electricity), in one single, highly efficient process. CHP generates electricity whilst also capturing usable heat that is produced in this process. This contrasts with conventional ways of generating electricity where vast amounts of heat is simply wasted. In today’s coal and gas fired power stations, up to two thirds of the overall energy consumed is lost in this way, often seen as a cloud of steam rising from cooling towers.

STEM CHALLENGE

Combined Heating & Power Plant The CHP is sited in the Energy Centre, Watts. The heat from the generator is used to supply the flow and return ring main to the Watts, Hub and Aspire and heat these buildings.

The CHP produces 184 Kw/h and supply's electric back into the Watts building The Mercedes engine is powered by gas

CHP Generator The generator attached to the CHP gas engine supplies 184 Kw/h

NATURAL VENTILATION

STEM CHALLENGE Natural ventilation makes use of the forces of wind and differences in air to move air through a building. The other option is mechanical ventilation which uses fans and a system of ductwork to supply air to the areas of the building which require it. The disadvantage of this is that the fans require power for them to operate and occupy space within the building.

Natural Ventilation The two natural ventilation ducts seen in the photo supplies natural ventilation to Hu222 and Hu223. The amount of fresh air allowed to enter the room is controlled via a thermostat operating dampers.

STEM CHALLENGE

Rain Water holding tank outside the Hub Sited underground the tank collects rain water from the Aspire roof.

Harvester tank. Reclaimed Rain Water Holding reclaimed water tank sited in the Aspire plant room Water is filtered and passes through a UV lamp before used as flushing water for the W/C`s. The right hand side show the inlet pipe to the tank from the collected rain water. If there is no water in the underground tank then fresh water will fill the tank via a solenoid valve.