BI Comb SGM.GB

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4.2.2 FEED SCREW WITH RELATIVE MOTOR AND DRIVEMECHANISMSList of components:- High-thickness, cold pre-formed steel worm-screw, weldedonto an iron bar.- High-thickness screw-holder tube, with inspection door, flangedconnection for fastening to the hopper and fire preventionthermostat.- Adjustable speed motor unitFig. 61 SCREW2 SCREW-HOLDER TUBE3 SCREW-HOLDER TUBE INSPECTION DOOR4 FLANGE FOR ATTACHMENT TO THE BOILER BED5 FLANGE FOR ATTACHMENT TO THE HOPPER6 SEAL GASKET7 FIRE PREVENTION THERMOSTAT8 THERMOSTAT BULB9 BULB FASTENING BRACKET10 CAPILLARY PROTECTIVE SHEATH11 COUPLING FOR FIRE PREVENTION ELECTROVALVE TU<strong>BI</strong>NG12 ADJUSTABLE SPEED MOTOR FASTENING FLANGE13 INTERMEDIATE FLANGE14 GEAR MOTOR15 SPEED ADJUSTMENT HANDWHEEL16 SCREW DRIVE SHAFT17 MALE SQUARE18 FEMALE SQUARE19 SHAFT FASTENING RING20 RING FASTENING SCREW21 KEY22 THRUST BEARING23 BUSHPROCEDURE FOR REMOVING THE SCREW(to be performed in order)- Loosen the crown of bolts which fastens the adjustablespeed motor (pos. 14) to the flange (pos.12), after havingensured the weight of the motor is supported.- Move the adjustable speed motor back, removing the malesquare (pos.17) from the female square (pos. 18).At this point the screw is free to be removed. If it isblocked due to material pressed against the tube, applyleverage using the hopper inlet spout or the furnace itselfin the combustion chamber. If required, using a suitablemale square spanner and lever arm, the screw can beunscrewed from the material blocking it.10
4.2.3 COMBUSTON AIR FANS WITH RELATIVE DUCTSThese are ambient temperature-type ducts, with directly-coupledmotor. The combustion air is channelled in the metal-framedducts. The duct throttle valve is parallel with the externalarm, which rotates 90° in the sector. As a result, the throttlewill be open when the arm is positioned length-wise along theduct, and closed when it is positioned cross-wise.- PRIMARY AIR COMBUSTION FANMain primary air regulation registerDamper and counterweightUpper primary air register A3MS feeder primary air register A1Mobile grate primary air register A24.2.4 FURNACE IN COMBUSTION CHAMBERCOMPONENTS:- Welded high-thickness refractory steel trough, with stiffeningribs.- Row of grates in special cast iron, designed for high-temperatures.- Row of fixed, sloped refractory steel grates.All the grates are slotted into the structures below.To disassemble them, first remove the fixed sloped gratesby simply lifting them up, and then the mobile sloped grates,in the same way.- SECONDARY COMBUSTION AIR FANSR secondary air register above the grateL secondary air register above the grateR secondary post-combustion air registerL secondary post-combustion air registerA4A511
Page 1: LISTINOPREZZIINDUSTRIAL BOILERSBI C
Page 4: 1. TECHNICAL SPECIFICATIONS BI Comb
Page 9: 4.2 MAIN COMPONENTSThe feeder / mob
Page 13 and 14: 4.2.6 ASH DISCHARGE SCREW WITH ITS
Page 15 and 16: 4.4 CONTINUOUS POWER MODULATIONAllo
Page 17 and 18: 4.6.3 DIRECT ASH REMOVAL, TO UNDERG
Page 19 and 20: Check this through the boiler door,
Page 21 and 22: Notes:21
Page 24: Sede legale:via Ritonda, 78/A - 370

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