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80T Hot Aggregate Silo Asphalt Plant With 300000 Batches Mixing Blade Life Time

WUXI XITONG TECHNOLOGY GROUP
WUXI XITONG TECHNOLOGY GROUP
City: Wuxi
Province/State: Jiangsu
Country/Region: China
Tel: 86-510-85361108
Contact Person:
Mr Jia Wang

80T Hot Aggregate Silo Asphalt Plant With 300000 Batches Mixing Blade Life Time

Brand Name : Xitong
Model Number : QLB
Certification : CE/CNAS/SGS/ISO
Place of Origin : China
MOQ : 1 set
Price : negotiation
Supply Ability : 10 sets per month
Delivery Time : negotiation /2 month after received your payment
Packaging Details : Nude Packing
Model No. : QLB-2000
Dryer burner : Italia Ebico
Fuel type : Diesel, masut or Lpg
Metering accuracy : 0.18%
Bitumen tank : 30T*3
Dust collect : air back flush
Mixer power : 45kw*2
Filler tank : 50CBM
Operation room : 6000*2400*2500mm
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380V 50HZ power, 80T hot Aggregate silo Asphalt plant with 300000 batches mixing blade life time


I. Normal failures and solution of hot aggregate hoister for batching type hot mix asphalt plant

Bucket type elevator is mainly used for vertical lifting of powder, particle and small block material, which has characteristics of big hoisting height, good sealing effect, small power consumption and wide application area. Bucket type elevator has a wide range of types and Bucket types which meet demands of different working conditions and various materials.


⑴. Fault:Elevator chains are jammed.

Cause ①: Overload; screen cannot sieve correctly, which causes refluence.

Solution: Reduce output, open downside discharging door of elevator to discharge accumulated material. Check buckets for damage, and restart.

Cause ②: Failure appears in screen, or its pores are jammed.

Solution: Check and clean up screen, then restart.

⑵. Fault: Chain escapes from underside idler wheel

Cause ① :The two screws on underside wheel are not equally adjusted.

Solutiont: Readjust the two screws.

Cause ②: The chains are too loose, and the screws are not adequately adjusted.

Solution: Readjust screws. If the adjustment cannot be sufficient, shorten the chains. Refer to the former disassembling method.


Common fault table

FaultFailure causeElimination/solution

Bucket belt off tracking, chain pressing gear,

eruption of teeth and broken link

Axis of head and tail pulley are not in same planeReadjustment based on installation program
Axis of head and tail pulley unparallelAdjust lower part tensioning till bilateral symmetry
Base plane of head and tail pulley not in corresponding planeAdjust relative location of axial direction and axle base of head/tail pulley
Wear-out failure for sprocket and chainChange head/tail pulley and chain
Bucket touches casingBucket belt and chain not tensionedAdjust tensioning of bucket belt and chain
Tension to lower limit but still not tensionedRiveting bucket belt again based on installation program
Dismantle a group of chain(for loop chain type, change 1-2 groups of 7-link-chain into 5-link-chain)
Baffle and rail failureAdjust or change baffle or rail
Looseness for bucket fastenerCheck and tighten bucket fastener

Conveying efficiency declines,

material deposit, jam and block


Blocking at discharge outletClean and eliminating block

Displacement for discharging plate and feed back(material returning)


Adjust discharging plate position
Excessive feeding amountControl feeding and smooth feeding
Bucket badly brokenChange bucket

Mixing of foreign matter, material sticking and hardening


Eliminate foreign matter and sticking/hardening material
Material leakingSealing socket and sealing element failure at head/tail shaftChange sealing element like oil seal
Gasket failure among housingChange gasket
Housing corrosion and damageChange housing
Vibration and noiseMoving lubricating point deoiling or foreign matter coming insideEliminate foreign matter ,clean lubricating point and add grease
Bearing damage or wear at both upper and lower sectionChange bearing and oil seal
Material sticking and hardeningRemove sticking/hardening material
Material blackness out of limitsRemove oversize block material and mount mesh at feeding inlet
Bucket damage or deformationReplace unqualified bucket in time
Gear and bearing damage of gearboxChange gear and bearing or change gear box
Equipment stop and bucket reserve rotationDeoiling, dry up or impurity jam in backstop cavityDismantle. clean and fill clean lithium base grease
Backstop damage,like pine wear and failureChange pin or backstop
Unstable driveDrive chain becomes loose or wear and failureTensioning of drive chain or changing drive chain
Out of limits for oil in reduction gearbox, gear wearing or damageClean and change oil, change wearing& damaged gear or driving medium
Power supply or voltage instability, or wiring connector poor contact

· Equip voltage stabilizer, check and correct the wiring


Unstable flow for materialImprove feeding condition of material for smooth feeding

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