Birmingham Office
A Unit 3 Belfont Trading Estate, Mucklow Hill, Halesowen, Birmingham, B62 8DR T 0121 550 2241

The System

A biomass system is made up of more than just the boiler.

Buffer vessel

This is a store of hot water and therefore energy that is ready to be distributed where needed, for example to replenish a hot water cylinder or heating circuit. This is sized according to many factors but in particular the type of fuel and the boiler size. We will always explain why we specify the size we have in our design.

Fuel store and delivery

This again depends on the size of boiler and the attached heat demand, as well as the fuel type chosen, the space available and the customers’ requirements/expectations. Wood chips are usually stored in a self-made store consisting of an agitator or moving floor, and an augur to transport them to the burner. Wood pellets can also be stored in self-made stores, alongside fabric silos, sheets steel containers and even underground plastic tanks. They can also be transported to the burner via augur, although suction delivery (vacuum) is also very popular and easy. Suction has the advantages of being able to provide multiple feeds, giving further reliability, but also the potential to increase storage by reducing the slope of the store or even have a flat floor if there are sufficient suction points.

Controls

All models of the biomass boilers we propose come with a high level of control capability, which is always good to exploit as much as possible. We can independently control multiple heating and hot water circuits, and at different temperatures too. For example we can have the boiler directly controlling underfloor heating circuits, radiator circuits, and hot water cylinder charging at the same time. There is also the capability for instantaneous hot water directly off the buffer tank via fresh water heat exchanger modules. All of these can be controlled via weather compensation, whereby the boiler takes both the external temperature and calculates the correct flow temperature to introduce to the heating circuit. This gives a high level of efficiency and lower running costs and optimum comfort.

We also highly recommend remote monitoring. This is where the boiler is connected to the internet and via password allows external access from any device such as a laptop, phone or iPad. This is useful to allow the user control of their heating system 24/7 but comes into its own as a maintenance tool. All parameters can be monitored and an alarm email sent should anything fall outside of these. This allows early fault diagnosis, reduces reaction times, and gives the end user peace of mind that everything is running smoothly. It is also useful to confirm that a new or certain batch of fuel is performing similar to the last.
Other features include remote heat meter monitoring, back up boiler release, boiler cascades and solar thermal control/integration directly.

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