BULKOS | The Bulk Solution

Whether it´s complete bucket conveyor, chain conveyors or chain drive, RUD BULKOS rises to every conveyor challenge thanks to our extensive experience with the most varied bulk materials such as cement, fertilisers, stones and soils and many others.

Conversion of bunker discharger

Description of the problem:

• Strong and different chain wear
• Misalignment of scraper
• No complete discharge possible through floating of the chain belt
• Stong wear in the chain guides and in the drive wheels
• Numerous breakdowns due to blockage

RUD Solution:

• Conversion to system RUD MEE- TK and special scraper bars
• RUD round link chain 22x86 RUD 60B-G/S3
• RUD MEE-KB

Result:

• more favourable wear conditions
• complete discharge through special scraper bars
• trouble-free operation of the conveyor

Retrofitting of one belt bucket elevator

Description of the problem:

Severe conveying problems due to significant differences between assumed and actual product specification.

Assumed: Gypsum, 0-50 mm, destroyable, 10% moisture, non sticky

Actual: Gypsum, 0-80 mm, not destroyable, very wet, extremely sticky
    => Clogged buckets
    => elevator overflow
    => frequent shut downs
    => low capacity  

RUD Solution:

Exchange of stainless steel buckets by stainless steel buckets with flexible rubber bottom and scraper teeth.

Result:

Continuous conveying performance and full required capacity.

Improved material feed of moderately flowing products at bucket elevators

Description of the problem:

For a reliable elevator operation the material feed is of utmost importance.

Mostly the inlet flange at the elevator reflects the limit of responsability between customer and manufacturer. Mistakes ahead of the machine result in problems in the machine:

Off-centered material:
→ Asymmetrical bucket load, different chain load/elongation (chain elevators), misalignment of buckets, hence problems with chain reversions, misalignment of belt (belt bucket elevators)
→ Risk of operational reliability/total system break-down

Too high feeding speed
→ Splashing of material out of the buckets
→ calculated bucket load cannot be reached
→ designed elevator capacity drops
→ Risk of operational reliability/total system break-down.

RUD solution

Installation of a distributor ahead of the elevator inlet:
- Feeding speed is just slowed down so that no congestion appears
- Material is guided towards flow direction.
- The flap effects on the material from above, is (partially) cleaned by the same and is less susceptible to material caking than i.e. material guiding plates located at the bottom.

Result:

=> Better material distribution over the whole intake width (bucket width).
=> No splashing of the material out of the buckets.
=> Achievement of the required capacity by means of better bucket load.
=> Better operational reliability by avoidance of machine/system-overload.

Optimized material feed of free flowing products at bucket elevators Fertilizer plant

Description of the problem:

For a reliable elevator operation the material feed is of utmost importance. Mostly the inlet flange at the elevator reflects the limit of responsibility between customer and manufacturer. Mistakes ahead of the machine result in problems in the machine:

 Off-centered material
→ Asymmetrical bucket load, different chain load/ elongation (chain elevators), misalignment of buckets,hence problems with chain reversions, misalignment of belt (belt bucket elevators)
→ Risk of operational reliability/total system break-down.

Too high feeding speed
→ Splashing of material out of the buckets
→ calculated bucket load cannot be reached
→ designed elevator capacity drops
→ Risk of operational reliability/total system break-down.

RUD Solution:

Installation of a rock box ahead of the elevator inlet:
Material is dammed by a defined rock box geometry depending on given parameter (angle of repose, falling height, slide length, angle of intake, etc.)

Result

=> Better material distribution over the whole intake width (bucket width).
=> No splashing of the material out of the buckets.
=> Achievement of the required capacity by means of optimal bucket load.
=> Optimal operational reliability by avoidance of machine/system-overload.