Dust extraction from wood and board treatment equipment

Dust extraction and dust transporting system for dust burners in the EC:

 11 fans with a total power of 380KW,
 rotation control of all fans and scrolls,
 analog control of transport air flow velocity in pipes,
 3 filters with pressure measurement,
 1 dust container with layer measurement and a rotary scraper with hydraulic drive and a wiping screw on the inverter,
 two-directional screw conveyors with clogging control,
 transport of dust from tanks to EC by means of two fans operated in parallel regulated by inverters,
 dust supply and control of 2 dust burners in two EC furnaces,
 GRECON spark extinguishing system,
 6 ppo flaps,
 dusting operation in 2- WINTER-SUMMER modes (with or without heat recovery).

Scope of work:
 design,
 software,
 commissioning

Used PLC controllers, terminals, communication, visualization systems:
 1 S7-315 2DP central driver,
 distributed structure of inputs / outputs – 4 stations on PROFIBUS DP,
 4 MP270 touch graphic terminals on the PROFIBUS DP network,
 communication – PROFIBUS DP,
 2 stations with a dust collection and visualization system for the dust and WinCC burner operation.

List of controlled and measuring devices, control devices:
 210 binary signals,
 31 analog signals,
 5 motors with adjustable speed inverter,
 3 right-left engines,
9 motors with softstarter or D / Y start, 
 7 level measurements,
4 motors with direct start,\
 3 pressure measurement systems,
 3 air flow speed measurement systems,
 2 temperature measurement systems in furnaces,
 9 current measurement systems,
 cooperation with the Grecon fire brigade.