Case Studies
Roe Ltd Ramsgate Kent
Roe Ltd make a wide range of components for the timber housing market including roof trusses and associated equipment. They installed a Ranheat 300kw warm air heater with an integrated dust extraction system mounted directly on the silo.
This results in a plant with a small footprint and without the need for expensive transfer fans to transport the wood from the filter to the silo. The entire project, including filter dust extraction and a hogger, received funding from the Carbon Trust in the form of an interest free loan for £91280.
T & E Display, Halesowen, West Midlands
T & E Display make point-of-sale displays used in shop fitting, mainly for the retail carpet industry. The original plant consisted of a bag-extraction system and a small hopper-fed heater. This was used with a hand-loaded heater to burn off cuts. With the installation of more machinery, the plant was producing 100 bags per week. This was becoming extremely messy.
Ranheat developed a scheme to mount the top section of the existing filter plant, containing the filler bags, directly on top of a Ranheat 3m diameter silo. The material is then screw-fed via a double rotary valve system into a 150kw warm air heater. Off cuts are granulated with a hogger which is linked to the existing dust-extraction ducting.
The plant received full funding from the Carbon Trust in the form of an Interest-Free loan for £69000.
Summerbridge Doors Ltd, Anlaby, Hull UK
Summerbridge Doors manufacture a wide range of foil-wrapped MDF doores. The plant was designed to burn the off cuts of MDF mainly as "skeletal" waste as a result of the doors being machined by CNC routers from whole sheets of MDF. The scrap MDF is fed into a Hogger which granulates the material into chips the size of a thumbnail. These are augured into a storage silo, then screw fed into a 300kw burner producing hot air at around 650C. This is blown into the fail room where the foil wrapping is applied to the doors. For the foils to perform properly, the foils must be kept warm, or they become brittle and do not adhere to the blanks well.
The project was installed in February 2005 and received a £100,000 interest-free loan from the Carbon Trust.
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