The latest process gas burner technology from Lanemark Combustion Engineering Ltd. is now helping one of the country\u2019s leading manufacturers of construction equipment to benefit from optimised energy usage and minimised emissions. Warwickshire-based Thwaites Ltd., who provide a wide range of dumper truck designs particularly to the construction industry, have replaced two well-proven existing Lanemark FD5EP-3 burner installations with the company\u2019s latest force-draught gas and air FD5GAP-3 models. The result is a combination of excellent heat control and an anticipated, significant saving in gas usage.<\/p>\n
\u201cThe two new burners have been fixed to two separate drying ovens, both of which receive products via an overhead conveyor \u2013 one for an epoxy primer preheat facility and the other for a polyurethane top coat drying installation,\u201d says Jeff Foster, Lanemark\u2019s Sale Director who says up to 60 different components for 1 – 10 tonne machines are handled each day.<\/p>\n
\u201cIn both cases the burners, which here operate with a Propane gas source, fire through the wall of the oven into a combustion chamber with a recirculating fan then distributing the heat evenly around the oven chamber,\u201d he adds.<\/p>\n
The replacement of the two existing Lanemark burners \u2013 both hi\/lo units which have delivered reliable performance since 1998 \u2013 have allowed Thwaites to gain from the latest designs and technology.<\/p>\n
Lanemark\u2019s FDGA burners utilise the latest \u2018air pressure lead\u2019 mono-bloc gas valve technology which is central to ensuring safe and efficient gas\/air ratios are always maintained even under variable plant operating conditions. These offer significant benefits compared with alternative fixed gas\/air valve linkage control arrangements while the absence of mechanical linkages between the gas and combustion air control valve and dampers means the need for adjustment or the risk of sticking are avoided.<\/p>\n
\u201cWe have ensured that the mounting flanges have remained unchanged over the period so the removal of the old and the connection of the new burners proved to be a very straightforward exercise,\u201d adds Jeff Foster. He points out that the work was completed in just two days during a shutdown maintenance period.<\/p>\n
Thwaites\u2019 Paintshop Supervisor highlights the importance of the new installations \u2013<\/p>\n
\u201cTemperature control and stability are vital for the paint adherence process to be optimised and this is fulfilled by the Lanemark burners,\u201d he says. \u201cTypically, we set the oven temperature to 90\u00b0C but the burners can operate at up to 110\u00b0C \u2013 a useful factor during winter months when ambient temperature can, of course, be somewhat lower.\u201d<\/p>\n
Thwaites decision to install the two new Lanemark burners was partly based on the company\u2019s long term association with the burner manufacturer. Apart from the burners that were replaced meeting operational requirements for more than 20 years, Thwaites had also, more recently, benefited from a further FDGA unit installed on a new stand-alone oven. \u201cThe performance here meant we had no hesitation in opting for the two additional Lanemark burners for the paint drying facility,\u201d adds the Paintshop Supervisor.<\/p>\n
With the ongoing support of the Lanemark BurnerCare service package \u2013 which offers a range of benefits from installation, commissioning and service plans to spare parts supply and rapid engineer call-out, if needed \u2013 the new installations at Thwaites are set to deliver reliable, long term process heating efficiency for many years to come. Central to such an important element of the production process, this translates into significant, ongoing peace of mind for the dumper truck manufacturer.<\/p>\n
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