2022 PARKER SBM2000

2022

PARKER

SBM2000

中古

Fully Refurbished in 2022 with 2000 ton throughput since refurbishment . Full Turn Key operation, with weighbridge. 2 x 48 000 l bitumen tanks. 1 x 600 Kva generator. USED SUPER BLACKMOBILE M2000 TECHNICAL SPECIFICATION 160 TPH MOBILE ASPHALT PLANT PLANT CAPACITY 160 TPH based on a temperature of 150 degrees C from mixer. Average moisture content of 3%, including 3% filler and 6% bitumen in the mix. Mixer capacity of 2000 Kg per batch and a 45 second weigh/mix cycle. Assuming the following conditions : - 1) 100% Plant utilisation 2) Ambient temperature 150C 3) Altitude up to 150 metres above sea level 4) Average moisture content is for surface moisture only 5) Free-flowing filler, density 1120 Kg/ m3 6) Single sized aggregate (max. lump 40mm), density 1600 Kg/ m3 7) Mix recipe with no excessive proportion of one size 8) Feed to contain a maximum of 35% 0 - 3mm fines 9) Fuel oil calorific value of 45.2 MJ/Kg 10) Gas calorific value of 34.9 MJ/m3 11) Capacities include filler and bitumen 12) Aggregate is non-porous and not excessively flaky 1 STATIC FIVE (5) BIN COLD FEED UNIT 1.1 HOPPERS Hoppers - One five (5) compartment Capacity - 7.5 m3 heaped (each hopper) Loading width - 2.75 m Loading height - 3.9 m Material - 6mm steel plate Vibrators - New two (2) fitted to sand and dust hoppers 1.2 BELT FEEDERS Feeders - Five (5) variable speed Size - 500mm wide x 1500mm centres Type - Sidewall belts Feeder body - Flanged for bolting to feed hopper Radial door - For manual calibration Head drum - Shaft mounted running in plummer block bearings Tail drum - Shaft mounted running in slide bearings for belt adjustment Belt - 500mm wide 3 ply with vulcanised joint Idlers - Flat, bolted to steel section support frame Drive - 2.2 kw gear motor unit direct on head shaft Turndown ratio - 20:1 Feeder control - From remote operator’s console. Variable speed is via static inverter speed controller to vary feeder output Starvation switches - New fitted to each feeder. In the event of no-flow, an alarm is generated in the cabin. 1.3 COLLECTING CONVEYOR Collecting conveyor - Horizontal, mounted under feeders with “S” bend drive and inclined section to dryer inlet Belt - 600mm wide 3 ply with vulcanised joint Idlers - Troughed bolted to steel section support frame Drive - 4 kw gear motor unit direct on head shaft Belt tensioning - Tension bolts fitted to tail drum slide bearings Belt scraper - Torsion arm type fitted under head drum Emergency grab wire- Fitted full length on one side 1.4 CHASSIS AND RUNNING GEAR Chassis - Rolled steel section construction, suitably braced including supports for cold feed hoppers Support legs - Mounted on six (6) heavy duty suitably braced support legs with steel base plates to distribute load evenly across customers foundations 2 NEW DRYER FEED CONVEYOR Feed conveyor - From collecting conveyor to dryer Size - 500mm wide x 9 m centres Belt - 500mm wide 3 ply with vulcanised joint Feed hopper - Constructed from mild steel plate with rubber sealing strips Rollers - Heavy duty trough and return rollers Idlers - Troughed bolted to steel section support frame Drive - 5.5 kw gear motor unit direct on tail shaft Belt tensioning - Tension bolts fitted to tail drum slide bearings Belt scraper - Torsion arm type fitted under head drum Emergency grab wire- Fitted full length on both sides Weather covers - Weather shielding forming roof and both sides belt protection, manufactured from galvanised sheeting to facilitate removal of side protection by one operative for maintenance purposes Guarding - Mesh panel guards fitted to drive 3 STATIC DRYER/BURNER AND PRIMARY DUST 3.1 DRYER Diameter - 2.2 m Length - 6.94 m Thickness - 12mm welded steel plate Lifters - Replaceable folded steel plate Roller paths - Machined on all faces on heat expansion Z brackets Support rollers - Steel, running on shafts mounted in plummer block bearings supported on dryer chassis Thrust rollers - Steel, running on shafts mounted in plummer block bearings supported on dryer chassis Feed end box - Fabricated in 6mm steel plate with flanged connection for dust collection Discharge end box - Fabricated in 8mm steel plate with wear ladder chute to elevator and housing discharge paddle ring Insulation - New 50mm thick mineral wool with galvanised steel cladding Drive - 45 kw via assisted start and gear motor unit to chain drive 3.2 NEW DRYER PYROMETER Temperature sensor - Pyrometer mounted in dryer discharge chute to record aggregate discharge temperature with indicating temperature on VDU and computer batch print out. 3.3 BURNER Type - TJ03 gas oil fired with flame failure detection and radial blade control. Suitable for light and pre-heated heavy oil Fuel capacity - 1680 Litres max per hour Turn down ratio - 4:1 Control - Remote control from operators console Ignition - Pilot gas ignition electrodes (N.B. customer to supply standard propane gas cylinder) Fuel piping - Between fuel pump and burner, including pressure relief valve and filter Fuel pump motor - 7.5 kw Blower motor - 22 kw Burner E stop - Emergency stop located adjacent to burner 3.4 PRIMARY DUST Primary dust - Multi cyclone box at feed end of dryer with twenty one (21) cast manganese steel cyclones Cross screw - 4 kw cross screw in base of cyclone hopper transferring dust to transfer screws Transfer screws - Two (2) 4 kw transfer screws transferring dust from cyclone hopper to the hot stone elevator 3.5 CHASSIS AND RUNNING GEAR Chassis - Rolled steel section construction, suitable braced including supports for dryer and burner Support legs - Mounted on heavy duty suitably braced rear support frame and front support legs with steel base plates to distribute load evenly across customers foundations 4 STATIC SCREENING AND MIXING SECTION 4.1 HOT STONE ELEVATOR Elevator - Totally enclosed. Pivots down for transportation Capacity - 170 tph Bucket width - 407mm replaceable steel buckets Chain - 7.64 metre centres Drive - 11 kw Casing - Fabricated in 3mm and 6mm steel plate with inspection doors at head and tail Discharge - Chute to screen Tensioning - Spring tensioning on tail shaft 4.2 SCREEN Capacity - 170 tph Size - 1.83 m wide x 4.88 m long 2 decks to give four (4) sizes plus rejects Drive - 15 kw high torque motor Dust sealing - Totally enclosed in a fabricated steel enclosure with removable panels Screen meshes - Access gained via hinged discharge chutes and doors in dust enclosure Screen E stop - Emergency stop located adjacent to screen 4.3 STORAGE HOPPER Hot stone bins - Four (4) compartment, 17.7 tonne capacity Plate thickness - 6mm steel plate Outlet doors - Pneumatically operated radial type Overflow/rejects - Chutes provided down to ground level 4.4 AGGREGATE WEIGH HOPPER Capacity - 2000 Kg from any one storage hopper mounted on load cells Load cells - Four (4) Plate thickness - 6mm steel plate Discharge door - Semi-rotary, pneumatically operated with new air cylinder Dust sealing - Enclosed within a dust sealed weigh hopper housing above the batch elevator 4.5 FILLER WEIGH HOPPER Capacity - 323 Kg load cell mounted Load cells - Three (3) Plate thickness - 3mm steel plate Discharge door - Pneumatically operated butterfly valve Dust sealing - Via high temperature resistant rubber 4.6 BITUMEN WEIGH HOPPER Capacity - 420 Kg load cell mounted Load cells - Three (3) Plate thickness - 3mm steel plate Heating - Hopper fully insulated and electrically heated with new thermostat Discharge - Gravity discharge via a pneumatically operated discharge valve 4.7 BATCH ELEVATOR Elevator - Totally enclosed inclined continuous bucket elevator Capacity - 170 tph Bucket width - 1300mm replaceable fabricated steel buckets Chain - Twin chain with intermediate support rollers Drive - 7.5 kw gear motor unit with automatic backstop Casing - Fabricated in 3mm and 6mm steel plate with inspection doors at head and tail Discharge - Direct to mixer Tensioning - Spring tensioning on tail shaft 4.8 PADDLE MIXER Mixer body - Fabricated from 10mm steel plate Paddle shafts - Twin contra-rotating shafts in plummer block bearings Capacity - 2000 Kg Body liners - Abrasive resistant segmented for ease of replacement and full utilisation Discharge door - Semi rotary, pneumatically operated by two heavy-duty cylinders, wear resistant liners bolted to door Paddle arms - Manufactured from cast steel with replaceable paddle tips made from alloy steel Drive - 45kw gear motor unit Mixer E stop - Emergency stop located adjacent to paddle mixer 4.9 PNEUMATICS Compressor - New 7.5 kw to give 6.5 bar Pneumatics - Solenoid valves, nylon pipework and fittings 4.10 CHASSIS AND RUNNING GEAR Chassis - Rolled steel section construction, suitable braced including supports for screening and mixing section Support frame - New once the mixing section is raised into its working position a support frame is installed to the front of the kingpin Mixer access - 3.05 m clearance under mixer Support legs - Mounted on heavy duty suitably braced rear support frame with steel base plates to distribute load evenly across customers foundations 5 MODULAR SECONDARY DUST COLLECTION 5.1 CAPACITY - Dryer 43,350 m3/hr (25,500 cfm) Mixing 11,050 m3/hr (6,500 cfm) Silo vent 1,700 m3/hr (1,000 cfm) Total 56,100 m3/hr (33,000 cfm) 5.2 SECOND STAGE Second stage - Reverse air cleaning type bag filter Filter medium - Aramid 400g/sq m Filter area - 600 sq m Filtration velocity - 1.4 m/min Emission level - Less than 20mg/cu m provided the filter is maintained in accordance with our operating instructions 5.3 FILTER CABINET Filter cabinet - Top section fabricated from 3mm and 5mm steel plate mounted on mid-section Plenum plate - 5mm with laser cut holes for positive bag sealing Filter mid-section - Mid-section fabricated from 3mm and 5mm steel plate mounted on trough hopper Insulation - 30mm high density mineral wool with plastic coated angular profile sheeting Access - Via new galvanised vertical caged access ladder to filter cabinet top with handrailing and kick strip 5.4 CLEANING Cleaning mechanism - Induced reverse air type. During cleaning sequence, the mechanism opens a small number of bags to atmosphere for a short duration, to allow the exhaust fan to induce a reverse flow of air for bag cleaning. Drive - Operated by three (3) 0.75 kw geared motor. 5.5 TROUGH HOPPER Trough hopper - Fabricated in 3mm steel plate fitted with 5.5 kw screw conveyor to single dust outlet Insulation - 30mm mineral wool with galvanised steel cladding Level indicator - High level fitted in trough hopper 5.6 PNEUMATIC BLOWER Pneumatic - 30 tph delivering collected dust from filter to customers supplied reclaimed filler storage silo Transfer system - Two (2) 200mm dia. butterfly valves with sequenced control to discharge dust from trough hopper to blow line, maintaining air seal to filter Blower - 11 kw drive positive displacement type Pipework - Steel pipeline with flanged connections, wear resistant pot bends and necessary supports 5.7 FAN UNIT Fan unit - Backward inclined centrifugal Drive - 110 kw motor via vee ropes Exhaust stack - Fabricated in 6mm steel plate with flanged sections to a height of 15 metres Exhaust fan E stop - Emergency stop located adjacent to exhaust fan 5.8 DUCTING Ducting - All interconnecting ducting included, also incorporating connection to dust nuisance points on the mixing section Cyclones to filter - 3mm straight, 5mm bends Filter to exhaust fan - 3mm straight, 3mm bends Nuisance ducting - 3mm straight, 3mm bends 5.9 NEW AIR VOLUME CONTROL Inverter - Adjusting air volume from plant, controlled by a transducer monitoring dryer pressure. Indication - Inverter speed indicator mounted on remote operator’s panel. 5.10 NEW BAG PROTECTION Bag protection - New Two (2) temperature probes fitted in duct prior to filter to protect bags from high gas temperatures. Indication - Vacuum gauge provided to indicate pressure drop across the bag filter and control the filter cleaning system. 6 BITUMEN STORAGE SYSTEM 6.1 BITUMEN TANKS Tanks - Two (2) horizontal Capacity - 48,000 litres nominal capacity Heating - Electric, 60 kw Insulation - 75mm mineral wool with galvanised steel cladding Accessories - Manhole, thermometer, contents gauge, fill pipes and all controls and safety devices 6.2 CONTROLS PANELS Control panel - Lockable IP55 cabinet with weather canopy Glazed door - Lockable glazed door protecting visible instrumentation, controls and lamp indication Panel isolator - 125A 3-pole door isolator Control voltage - 110/50 volt control circuit Instrumentation - Inclusive of high/low level temperature cut out and safety fail safe system with alarm siren Controls - Contactors/MCCB protection for heating circuit with 24/7 digital timer fascia mounted with battery back-up Temperature control - Fully automatic thermostatic control of the bitumen temperature with distance reading dial type thermometer for quick operator temperature verification Switching - 3-stage switching complete with set down Thermostat - High temperature filled system thermostat with a range of 120-215o C 6.3 BITUMEN PIPEWORK Pipework - Single electric trace heated bitumen feed pipe to plant weigh hopper with temperature control thermostat. Insulated and clad with manual bitumen tank selection valve. Note: Bitumen pipework to be supplied and installed by Remac along with wiring of the thermostats and bitumen tanks. 7 MOBILE 45 TONNE MIXED MATERIAL STORAGE SYSTEM 7.1 STORAGE SYSTEM Storage hopper - One (1) insulated hopper fabricated from steel plate. Mounted in support structure with hinged joint allowing bottom section to be folded back for transport. Capacity - 45 Tonnes, based on a density of 1800 Kg/m3 Hopper insulation - 75mm thick mineral wool with galvanised steel cladding Hopper inlet - Pneumatically operated top cover door Hopper outlet - Pneumatically operated, insulated radial discharge door Heating - Discharge door heated with thermostatically controlled heating elements Foul batch hopper - 5 Tonne un-lagged hopper with radial door Skip car - 2000 Kg capacity mounted on flanged wheels and insulated with 50mm thick mineral wool Skip track - Inclined and made from cross-braced rolled steel section. In working position, section beneath mixer can be removed to allow direct lorry load out. Winch unit - Mounted on structure, integral with hopper. Operated by a 37 kw motor and disk brake via a reduction gearbox directly coupled to the winding drum, which is mounted on roller bearings. Skip control - Control system linked to inverter for close speed control of the winch motor Skip operation - Skip positional information is by proximity at each stop position Safety - Safety ultimate limits at each end of the track. One extra limit at the top to cut the winch supply. Slack rope and over speed detection. 7.2 PNEUMATICS Air receiver - New Air receiver mounted on mixed material storage structure Pneumatics - New Solenoid valves, nylon pipe work and fittings 7.3 RUNNING GEAR Support structure - Fully mobile and made from rolled steel sections Running gear - Pneumatic tyred rear bogie with brakes, front fifth wheel attachment and operational support jacks Discharge - To give 3.15 metres discharge clearance beneath storage hopper in working position. 8 NEW CONTROL HOUSE AND MOTOR CONTROL PANELS 8.1 CONTROL HOUSE Size - 5 m long x 2.4 m wide Construction - The control house is fabricated from steel channel sections suitably braced to form a robust structure Base frame - Constructed from steel channel sections Roof - Manufactured from profile steel sheet, weld sealed with roof void fully insulated with 80mm mineral wool Floor - Constructed from 15mm heavy duty plywood screw fixed to base frame, covered with heavy duty rubber floor tiles Internal walls - Insulated with 80mm mineral wool and internally clad with plastic coated panelling. External walls - Clad in waterproof plastic coated sheets Windows - Three sides tinted double-glazed units Lighting - Overhead fluorescent lighting Heating - Wall mounted electric heater Air conditioning - Wall mounted air conditioning unit Work station - Manufactured from laminate chipboard with integrated cupboard Power outlets - Three double sockets External door - Steel access door Door access - Via stairway, platform and handrailing with kick strip 8.2 MOTOR CONTROL PANELS (Located in Control house) Control panels - With mains-in isolator switch with door interlock, control transformer and essential services enclosure with separate isolator Contactors - Combination circuit breakers/contactors 9 NEW PLANT CONTROL SYSTEM (Located in Control house) Control desk - Containing computer mimic diagram, key switch for manual/auto control, manual start/stop buttons, cold feed, burner and PLC weigh/mix control system Computer - Model RTS touchscreen computer weighing and mixing control system comprising of: - Operator interface terminal with Sunlight Visible Colour TFT Touch Screen Display. Super Bright 850 cd/M3 display ensures maximum readability with on screen keyboard and facility to support separate keyboard and mouse. Automatic control of the batching process via a multi-language interface with unlimited recipe storage. Printer - Printer supplied for production logging of essential data from each batch. Production data stored on non-volatile SD Card, accessible by USB cable and/or external Memory Stick. Network port to allow remote viewing and control of the batching process on customers PC. 10 NEW WIRING AND MOTOR ISOLATOR SWTICHES The plant is pre-wired to control house motor control panels for quick electrical installation on site. Motor isolation switches are fitted to all drives as required. All new cable, cable trays, junction and loadcell boxes throughout GUARDS Safety guards are provided over all V rope drives, chain drives and spur gears. STEELWORK All welds to be cleaned as necessary, steelwork to be wire brushed and generally cleaned of all mill scale etc before painting. PAINTING All external surfaces are painted with one-coat single pack zinc phosphate primer, followed by a high build semi-gloss topcoat enamel finish. All ducting, stack and parts subject to heat are painted with heat resistant paint Any plastic coated PVC will be self-coloured. VOLTAGE 400 Volt, 3 phase, 50 Hz M2000 Mobile Asphalt Plant Motor List Item Quantity Motor Starter kW Total kW 1. 5 Feeder motors Inverter 2.2 11 2. 2 Vibrators DOL 0.25 0.5 3. 1 Collecting conveyor DOL 4 4 4. 1 Dryer feed conveyor DOL 5.5 5.5 5. 1 Dryer Soft start 45 45 6. 1 Fuel pump DOL 7.5 7.5 7. 1 Burner blower Soft start 22 22 8. 1 Cross screw DOL 4 4 9. 2 Transfer screws DOL 4 8 10. 1 Hot elevator DOL 11 11 11. 1 Screen DOL 15 15 12. 1 Batch elevator DOL 7.5 7.5 13. 1 Mixer Soft start 45 45 14. 1 Compressor DOL 7.5 7.5 15. 3 Cleaning mechanism Inverter 0.75 2.25 16. 1 Trough screw DOL 5.5 5.5 17. 1 Dust screw DOL 11 11 18. 1 Exhaust fan Inverter 110 110 19. 1 Winch Fwd/rev 37 37 Total 359.25 kW HEATING/OTHER SUPPLIES 20. 1 Bitumen weigh scale 1 ph + N 1 1 21. 2 Bitumen tanks 3 ph + N 60 120 22. 2 Trace heating 1 ph + N 2 4 23. 1 Control house supply 1 ph + N 10 10 USED SUPER BLACKMOBILE M2000 TECHNICAL SPECIFICATION 160 TPH MOBILE ASPHALT PLANT PLANT CAPACITY 160 TPH based on a temperature of 150 degrees C from mixer. Average moisture content of 3%, including 3% filler and 6% bitumen in the mix. Mixer capacity of 2000 Kg per batch and a 45 second weigh/mix cycle. Assuming the following conditions : - 13) 100% Plant utilisation 14) Ambient temperature 150C 15) Altitude up to 150 metres above sea level 16) Average moisture content is for surface moisture only 17) Free-flowing filler, density 1120 Kg/ m3 18) Single sized aggregate (max. lump 40mm), density 1600 Kg/ m3 19) Mix recipe with no excessive proportion of one size 20) Feed to contain a maximum of 35% 0 - 3mm fines 21) Fuel oil calorific value of 45.2 MJ/Kg 22) Gas calorific value of 34.9 MJ/m3 23) Capacities include filler and bitumen 24) Aggregate is non-porous and not excessively flaky 1 STATIC FIVE (5) BIN COLD FEED UNIT 1.1 HOPPERS Hoppers - One five (5) compartment Capacity - 7.5 m3 heaped (each hopper) Loading width - 2.75 m Loading height - 3.9 m Material - 6mm steel plate Vibrators - New two (2) fitted to sand and dust hoppers 1.2 BELT FEEDERS Feeders - Five (5) variable speed Size - 500mm wide x 1500mm centres Type - Sidewall belts Feeder body - Flanged for bolting to feed hopper Radial door - For manual calibration Head drum - Shaft mounted running in plummer block bearings Tail drum - Shaft mounted running in slide bearings for belt adjustment Belt - 500mm wide 3 ply with vulcanised joint Idlers - Flat, bolted to steel section support frame Drive - 2.2 kw gear motor unit direct on head shaft Turndown ratio - 20:1 Feeder control - From remote operator’s console. Variable speed is via static inverter speed controller to vary feeder output Starvation switches - New fitted to each feeder. In the event of no-flow, an alarm is generated in the cabin. 1.3 COLLECTING CONVEYOR Collecting conveyor - Horizontal, mounted under feeders with “S” bend drive and inclined section to dryer inlet Belt - 600mm wide 3 ply with vulcanised joint Idlers - Troughed bolted to steel section support frame Drive - 4 kw gear motor unit direct on head shaft Belt tensioning - Tension bolts fitted to tail drum slide bearings Belt scraper - Torsion arm type fitted under head drum Emergency grab wire- Fitted full length on one side 1.4 CHASSIS AND RUNNING GEAR Chassis - Rolled steel section construction, suitably braced including supports for cold feed hoppers Support legs - Mounted on six (6) heavy duty suitably braced support legs with steel base plates to distribute load evenly across customers foundations 2 NEW DRYER FEED CONVEYOR Feed conveyor - From collecting conveyor to dryer Size - 500mm wide x 9 m centres Belt - 500mm wide 3 ply with vulcanised joint Feed hopper - Constructed from mild steel plate with rubber sealing strips Rollers - Heavy duty trough and return rollers Idlers - Troughed bolted to steel section support frame Drive - 5.5 kw gear motor unit direct on tail shaft Belt tensioning - Tension bolts fitted to tail drum slide bearings Belt scraper - Torsion arm type fitted under head drum Emergency grab wire- Fitted full length on both sides Weather covers - Weather shielding forming roof and both sides belt protection, manufactured from galvanised sheeting to facilitate removal of side protection by one operative for maintenance purposes Guarding - Mesh panel guards fitted to drive 3 STATIC DRYER/BURNER AND PRIMARY DUST 3.1 DRYER Diameter - 2.2 m Length - 6.94 m Thickness - 12mm welded steel plate Lifters - Replaceable folded steel plate Roller paths - Machined on all faces on heat expansion Z brackets Support rollers - Steel, running on shafts mounted in plummer block bearings supported on dryer chassis Thrust rollers - Steel, running on shafts mounted in plummer block bearings supported on dryer chassis Feed end box - Fabricated in 6mm steel plate with flanged connection for dust collection Discharge end box - Fabricated in 8mm steel plate with wear ladder chute to elevator and housing discharge paddle ring Insulation - New 50mm thick mineral wool with galvanised steel cladding Drive - 45 kw via assisted start and gear motor unit to chain drive 3.2 NEW DRYER PYROMETER Temperature sensor - Pyrometer mounted in dryer discharge chute to record aggregate discharge temperature with indicating temperature on VDU and computer batch print out. 3.3 BURNER Type - TJ03 gas oil fired with flame failure detection and radial blade control. Suitable for light and pre-heated heavy oil Fuel capacity - 1680 Litres max per hour Turn down ratio - 4:1 Control - Remote control from operators console Ignition - Pilot gas ignition electrodes (N.B. customer to supply standard propane gas cylinder) Fuel piping - Between fuel pump and burner, including pressure relief valve and filter Fuel pump motor - 7.5 kw Blower motor - 22 kw Burner E stop - Emergency stop located adjacent to burner 3.4 PRIMARY DUST Primary dust - Multi cyclone box at feed end of dryer with twenty one (21) cast manganese steel cyclones Cross screw - 4 kw cross screw in base of cyclone hopper transferring dust to transfer screws Transfer screws - Two (2) 4 kw transfer screws transferring dust from cyclone hopper to the hot stone elevator 3.5 CHASSIS AND RUNNING GEAR Chassis - Rolled steel section construction, suitable braced including supports for dryer and burner Support legs - Mounted on heavy duty suitably braced rear support frame and front support legs with steel base plates to distribute load evenly across customers foundations 4 STATIC SCREENING AND MIXING SECTION 4.1 HOT STONE ELEVATOR Elevator - Totally enclosed. Pivots down for transportation Capacity - 170 tph Bucket width - 407mm replaceable steel buckets Chain - 7.64 metre centres Drive - 11 kw Casing - Fabricated in 3mm and 6mm steel plate with inspection doors at head and tail Discharge - Chute to screen Tensioning - Spring tensioning on tail shaft 4.2 SCREEN Capacity - 170 tph Size - 1.83 m wide x 4.88 m long 2 decks to give four (4) sizes plus rejects Drive - 15 kw high torque motor Dust sealing - Totally enclosed in a fabricated steel enclosure with removable panels Screen meshes - Access gained via hinged discharge chutes and doors in dust enclosure Screen E stop - Emergency stop located adjacent to screen 4.3 STORAGE HOPPER Hot stone bins - Four (4) compartment, 17.7 tonne capacity Plate thickness - 6mm steel plate Outlet doors - Pneumatically operated radial type Overflow/rejects - Chutes provided down to ground level 4.4 AGGREGATE WEIGH HOPPER Capacity - 2000 Kg from any one storage hopper mounted on load cells Load cells - Four (4) Plate thickness - 6mm steel plate Discharge door - Semi-rotary, pneumatically operated with new air cylinder Dust sealing - Enclosed within a dust sealed weigh hopper housing above the batch elevator 4.5 FILLER WEIGH HOPPER Capacity - 323 Kg load cell mounted Load cells - Three (3) Plate thickness - 3mm steel plate Discharge door - Pneumatically operated butterfly valve Dust sealing - Via high temperature resistant rubber 4.6 BITUMEN WEIGH HOPPER Capacity - 420 Kg load cell mounted Load cells - Three (3) Plate thickness - 3mm steel plate Heating - Hopper fully insulated and electrically heated with new thermostat Discharge - Gravity discharge via a pneumatically operated discharge valve 4.7 BATCH ELEVATOR Elevator - Totally enclosed inclined continuous bucket elevator Capacity - 170 tph Bucket width - 1300mm replaceable fabricated steel buckets Chain - Twin chain with intermediate support rollers Drive - 7.5 kw gear motor unit with automatic backstop Casing - Fabricated in 3mm and 6mm steel plate with inspection doors at head and tail Discharge - Direct to mixer Tensioning - Spring tensioning on tail shaft 4.8 PADDLE MIXER Mixer body - Fabricated from 10mm steel plate Paddle shafts - Twin contra-rotating shafts in plummer block bearings Capacity - 2000 Kg Body liners - Abrasive resistant segmented for ease of replacement and full utilisation Discharge door - Semi rotary, pneumatically operated by two heavy-duty cylinders, wear resistant liners bolted to door Paddle arms - Manufactured from cast steel with replaceable paddle tips made from alloy steel Drive - 45kw gear motor unit Mixer E stop - Emergency stop located adjacent to paddle mixer 4.9 PNEUMATICS Compressor - New 7.5 kw to give 6.5 bar Pneumatics - Solenoid valves, nylon pipework and fittings 4.10 CHASSIS AND RUNNING GEAR Chassis - Rolled steel section construction, suitable braced including supports for screening and mixing section Support frame - New once the mixing section is raised into its working position a support frame is installed to the front of the kingpin Mixer access - 3.05 m clearance under mixer Support legs - Mounted on heavy duty suitably braced rear support frame with steel base plates to distribute load evenly across customers foundations 5 MODULAR SECONDARY DUST COLLECTION 5.1 CAPACITY - Dryer 43,350 m3/hr (25,500 cfm) Mixing 11,050 m3/hr (6,500 cfm) Silo vent 1,700 m3/hr (1,000 cfm) Total 56,100 m3/hr (33,000 cfm) 5.2 SECOND STAGE Second stage - Reverse air cleaning type bag filter Filter medium - Aramid 400g/sq m Filter area - 600 sq m Filtration velocity - 1.4 m/min Emission level - Less than 20mg/cu m provided the filter is maintained in accordance with our operating instructions 5.3 FILTER CABINET Filter cabinet - Top section fabricated from 3mm and 5mm steel plate mounted on mid-section Plenum plate - 5mm with laser cut holes for positive bag sealing Filter mid-section - Mid-section fabricated from 3mm and 5mm steel plate mounted on trough hopper Insulation - 30mm high density mineral wool with plastic coated angular profile sheeting Access - Via new galvanised vertical caged access ladder to filter cabinet top with handrailing and kick strip 5.4 CLEANING Cleaning mechanism - Induced reverse air type. During cleaning sequence, the mechanism opens a small number of bags to atmosphere for a short duration, to allow the exhaust fan to induce a reverse flow of air for bag cleaning. Drive - Operated by three (3) 0.75 kw geared motor. 5.5 TROUGH HOPPER Trough hopper - Fabricated in 3mm steel plate fitted with 5.5 kw screw conveyor to single dust outlet Insulation - 30mm mineral wool with galvanised steel cladding Level indicator - High level fitted in trough hopper 5.6 PNEUMATIC BLOWER Pneumatic - 30 tph delivering collected dust from filter to customers supplied reclaimed filler storage silo Transfer system - Two (2) 200mm dia. butterfly valves with sequenced control to discharge dust from trough hopper to blow line, maintaining air seal to filter Blower - 11 kw drive positive displacement type Pipework - Steel pipeline with flanged connections, wear resistant pot bends and necessary supports 5.7 FAN UNIT Fan unit - Backward inclined centrifugal Drive - 110 kw motor via vee ropes Exhaust stack - Fabricated in 6mm steel plate with flanged sections to a height of 15 metres Exhaust fan E stop - Emergency stop located adjacent to exhaust fan 5.8 DUCTING Ducting - All interconnecting ducting included, also incorporating connection to dust nuisance points on the mixing section Cyclones to filter - 3mm straight, 5mm bends Filter to exhaust fan - 3mm straight, 3mm bends Nuisance ducting - 3mm straight, 3mm bends 5.9 NEW AIR VOLUME CONTROL Inverter - Adjusting air volume from plant, controlled by a transducer monitoring dryer pressure. Indication - Inverter speed indicator mounted on remote operator’s panel. 5.10 NEW BAG PROTECTION Bag protection - New Two (2) temperature probes fitted in duct prior to filter to protect bags from high gas temperatures. Indication - Vacuum gauge provided to indicate pressure drop across the bag filter and control the filter cleaning system. 6 BITUMEN STORAGE SYSTEM 6.1 BITUMEN TANKS Tanks - Two (2) horizontal Capacity - 48,000 litres nominal capacity Heating - Electric, 60 kw Insulation - 75mm mineral wool with galvanised steel cladding Accessories - Manhole, thermometer, contents gauge, fill pipes and all controls and safety devices 6.2 CONTROLS PANELS Control panel - Lockable IP55 cabinet with weather canopy Glazed door - Lockable glazed door protecting visible instrumentation, controls and lamp indication Panel isolator - 125A 3-pole door isolator Control voltage - 110/50 volt control circuit Instrumentation - Inclusive of high/low level temperature cut out and safety fail safe system with alarm siren Controls - Contactors/MCCB protection for heating circuit with 24/7 digital timer fascia mounted with battery back-up Temperature control - Fully automatic thermostatic control of the bitumen temperature with distance reading dial type thermometer for quick operator temperature verification Switching - 3-stage switching complete with set down Thermostat - High temperature filled system thermostat with a range of 120-215o C 6.3 BITUMEN PIPEWORK Pipework - Single electric trace heated bitumen feed pipe to plant weigh hopper with temperature control thermostat. Insulated and clad with manual bitumen tank selection valve. Note: Bitumen pipework to be supplied and installed by Remac along with wiring of the thermostats and bitumen tanks. 7 MOBILE 45 TONNE MIXED MATERIAL STORAGE SYSTEM 7.1 STORAGE SYSTEM Storage hopper - One (1) insulated hopper fabricated from steel plate. Mounted in support structure with hinged joint allowing bottom section to be folded back for transport. Capacity - 45 Tonnes, based on a density of 1800 Kg/m3 Hopper insulation - 75mm thick mineral wool with galvanised steel cladding Hopper inlet - Pneumatically operated top cover door Hopper outlet - Pneumatically operated, insulated radial discharge door Heating - Discharge door heated with thermostatically controlled heating elements Foul batch hopper - 5 Tonne un-lagged hopper with radial door Skip car - 2000 Kg capacity mounted on flanged wheels and insulated with 50mm thick mineral wool Skip track - Inclined and made from cross-braced rolled steel section. In working position, section beneath mixer can be removed to allow direct lorry load out. Winch unit - Mounted on structure, integral with hopper. Operated by a 37 kw motor and disk brake via a reduction gearbox directly coupled to the winding drum, which is mounted on roller bearings. Skip control - Control system linked to inverter for close speed control of the winch motor Skip operation - Skip positional information is by proximity at each stop position Safety - Safety ultimate limits at each end of the track. One extra limit at the top to cut the winch supply. Slack rope and over speed detection. 7.2 PNEUMATICS Air receiver - New Air receiver mounted on mixed material storage structure Pneumatics - New Solenoid valves, nylon pipe work and fittings 7.3 RUNNING GEAR Support structure - Fully mobile and made from rolled steel sections Running gear - Pneumatic tyred rear bogie with brakes, front fifth wheel attachment and operational support jacks Discharge - To give 3.15 metres discharge clearance beneath storage hopper in working position. 8 NEW CONTROL HOUSE AND MOTOR CONTROL PANELS 8.1 CONTROL HOUSE Size - 5 m long x 2.4 m wide Construction - The control house is fabricated from steel channel sections suitably braced to form a robust structure Base frame - Constructed from steel channel sections Roof - Manufactured from profile steel sheet, weld sealed with roof void fully insulated with 80mm mineral wool Floor - Constructed from 15mm heavy duty plywood screw fixed to base frame, covered with heavy duty rubber floor tiles Internal walls - Insulated with 80mm mineral wool and internally clad with plastic coated panelling. External walls - Clad in waterproof plastic coated sheets Windows - Three sides tinted double-glazed units Lighting - Overhead fluorescent lighting Heating - Wall mounted electric heater Air conditioning - Wall mounted air conditioning unit Work station - Manufactured from laminate chipboard with integrated cupboard Power outlets - Three double sockets External door - Steel access door Door access - Via stairway, platform and handrailing with kick strip 8.2 MOTOR CONTROL PANELS (Located in Control house) Control panels - With mains-in isolator switch with door interlock, control transformer and essential services enclosure with separate isolator Contactors - Combination circuit breakers/contactors 9 NEW PLANT CONTROL SYSTEM (Located in Control house) Control desk - Containing computer mimic diagram, key switch for manual/auto control, manual start/stop buttons, cold feed, burner and PLC weigh/mix control system Computer - Model RTS touchscreen computer weighing and mixing control system comprising of: - Operator interface terminal with Sunlight Visible Colour TFT Touch Screen Display. Super Bright 850 cd/M3 display ensures maximum readability with on screen keyboard and facility to support separate keyboard and mouse. Automatic control of the batching process via a multi-language interface with unlimited recipe storage. Printer - Printer supplied for production logging of essential data from each batch. Production data stored on non-volatile SD Card, accessible by USB cable and/or external Memory Stick. Network port to allow remote viewing and control of the batching process on customers PC. 10 NEW WIRING AND MOTOR ISOLATOR SWTICHES The plant is pre-wired to control house motor control panels for quick electrical installation on site. Motor isolation switches are fitted to all drives as required. All new cable, cable trays, junction and loadcell boxes throughout 11 COMMISSIONING ENGINEER GUARDS Safety guards are provided over all V rope drives, chain drives and spur gears. STEELWORK All welds to be cleaned as necessary, steelwork to be wire brushed and generally cleaned of all mill scale etc before painting. PAINTING All external surfaces are painted with one-coat single pack zinc phosphate primer, followed by a high build semi-gloss topcoat enamel finish. All ducting, stack and parts subject to heat are painted with heat resistant paint Any plastic coated PVC will be self-coloured. VOLTAGE 400 Volt, 3 phase, 50 Hz M2000 Mobile Asphalt Plant Motor List Item Quantity Motor Starter kW Total kW 24. 5 Feeder motors Inverter 2.2 11 25. 2 Vibrators DOL 0.25 0.5 26. 1 Collecting conveyor DOL 4 4 27. 1 Dryer feed conveyor DOL 5.5 5.5 28. 1 Dryer Soft start 45 45 29. 1 Fuel pump DOL 7.5 7.5 30. 1 Burner blower Soft start 22 22 31. 1 Cross screw DOL 4 4 32. 2 Transfer screws DOL 4 8 33. 1 Hot elevator DOL 11 11 34. 1 Screen DOL 15 15 35. 1 Batch elevator DOL 7.5 7.5 36. 1 Mixer Soft start 45 45 37. 1 Compressor DOL 7.5 7.5 38. 3 Cleaning mechanism Inverter 0.75 2.25 39. 1 Trough screw DOL 5.5 5.5 40. 1 Dust screw DOL 11 11 41. 1 Exhaust fan Inverter 110 110 42. 1 Winch Fwd/rev 37 37 Total 359.25 kW HEATING/OTHER SUPPLIES 43. 1 Bitumen weigh scale 1 ph + N 1 1 44. 2 Bitumen tanks 3 ph + N 60 120 45. 2 Trace heating 1 ph + N 2 4 46. 1 Control house supply 1 ph + N 10 10