Page 26 - Gi flipbook_May 2019
P. 26

technological advances in heating control


                 machinery, while still being able to   process data and control commands are
                 acquire and identify its status.  transmitted over the internet or intranet,
                                                  so equipment and wiring is significantly
                 Benefits of new technology       reduced. It also makes functional
                 When we use IOT technology, we   programming and human interface
                 can eliminate many of the system   operation much easier as programmers
                 components of a typical PLC control   can be in a remote location to access
                 system and use the IOT platform,   secure data on IOT connected devices.
                 along with RFID, to collect the physical
                 data and send the commands over the   Looking to the future
                 internet or intranet.            New technology offered by PLC systems
                   For example, if we have a hot water   along with other advanced technologies
                 generator used for an HVAC system in a   provide a great opportunity for
                 large building controlled by a building   commercial heating systems and
                 management system (BMS), we would   applications to improve efficiency,
                 need at least one I/O node for each of   flexibility, reliability and plant safety.
                 the control and measurement devices   It’s an exciting period of technological
                 throughout the system (including duct   advancement, with digitalisation set to
                 filters, pressure switches, fan coil,   dramatically change the face of the gas
                 temperature thermostat for each room,   industry as we know it.
                 boiler/burner operation I/O commands,
                 etc). In a typical high-rise building, this    EOGB is a leading manufacturer and
                 can amount to hundreds of I/O points.  distributor of oil, gas and dual fuel burners.
                   When we use IOT and smart devices,   For more information, visit www.eogb.co.uk  TOP: TRACKING A DESIGNED TEMPERATURE CURVE,
                                                                                                 ABOVE: TRACKING TRENDING FUNCTION

                   BUILDING ON SUCCESS AT HG MATTHEWS




                                                                                  of only 50 per cent. By replacing
                                                                                  these with modulating Baltur gas
                                                                                  burners, integrated with custom
                                                                                  PLC controls, EOGB engineers
                                                                                  were able to specify the rate of
                                                                                  temperature increase as well as hold
                                                                                  set temperatures for a specific length
                                                                                  of time, resulting in most production
                                                                                  cycles achieving a 100 per cent yield.
                                                                                    A ‘smart’ trend function was
                                                                                  also implemented to monitor the
                                                                                  temperature and cool down phase so,
                                                                                  if a furnace is operated overnight, any
                                                                                  production issues can easily be traced
                                                                                  remotely and fixed, without constant
                                                                                  machine minding.
                                                                                    Due to the successful installation of
                                                                                  the new burners and custom controls,
                                                                                  which have doubled the output from
                                                                                  50 per cent wastage to almost zero,
                                                                                  two more furnaces have been built
                                                                                  with at least one more planned.
                                                                                    Martin Cooke, Technical Director at
                                                                                  EOGB, said: “By installing Baltur gas
                                                                                  burners with custom PLC controls, we have
                                                         INSIDE THE KILN AT HG MATTHEWS BRICKWORKS, WHERE
                                                          BRICKS ARE HEATED UP TO 1,200 DEGREES CELSIUS  been able to tailor a personalised heating
                                                                                  solution for HG Matthews, improving
                   BRICK MANUFACTURER HG           inconsistent colouration or surface   efficiency and virtually eliminating all
                   Matthews selected EOGB Energy   defects, the bricks must be heated   wastage in the firing process.
                   Products to provide a more efficient   in a kiln following a very specific   “This installation illustrates the
                   heating solution to improve     temperature curve.             importance of keeping abreast with
                   production at its traditional brickyard   The existing burners had a limited   technological advancements, especially
                   in Buckinghamshire, which produces   turndown ratio and could only operate   for organisations in traditional
                   three million bricks every year.  on high-fire due to the basic controls   industries who can make significant
                    In order to avoid cracking,    fitted, resulting in a production yield   savings by adopting digital processes.”





          26



        HeatingControl.indd   3                                                                                   16/04/2019   19:02
   21   22   23   24   25   26   27   28   29   30   31