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1.800.348.4RPM

RPM and Associates, Inc. Rapid City, SD

Products and Services -> Coal Pulverizers

Sub-links: Rolls | Journals | Tables | Wear Liners

Tables

RPM has extensive experience overlaying pulverizer mill tables of all sizes and styles. We can rebuild tables in-house or on-site depending on your needs. We also offer cast-steel table replacements as well as overlayed table segments guaranteed to fit.

Click on one of the links below to proceed to your particular area of interest.

Rebuild Worn Coal Pulverizer Tables On-Site

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RPM and Associates can rebuild worn coal pulverizer tables on-site at your plant. The figures below outline the typical process that we follow when rebuilding coal pulverizer tables on-site.

Place your mouse over the images below to see an expanded view.

  • RPM Staff Checks In With Plant Contact and Completes Any Required Orientation and Safety Tasks
  • RPM Staff Sets Up Equipment (welding heads, rotary ground, limit switches, auxiliary drive and portable ventilation equipment) and Inspects Mill Table for Anomalies
  • Worn Table Profile is Measured With Metal Template Before Repairs Are Initiated
  • Required Pre-Repairs Are Performed Prior to Firing Up Automatic Welding System
Worn CE1043 Table
Worn CE1043 Table Measured with
Metal Template Before Work Begins.
Typical Worn Non-hardfaced CE Table
Typical Worn
"Non-hardfaced"
CE Table
 Worn CE1043 Table
Typical Worn
"Hardfaced"
CE Table
 Worn CE1043 Table
On site ventilation and containment of
Hexavalent chrome weld fume
  • Perform Required Automatic Welding Until Table Profile Meets Metal Template
  • Notify Customer for Final Inspection, Approval, and Acceptance
  • Exchange Appropriate Data for RPM “Pulverizer Wear Parts Monitoring Program” with Customer On-Site Designated Representative
  • Pack Up Welding Equipment, Remove Any Safety Locks, and Return to RPM

 

 Worn CE1043 Table
Hardfacing of CE1003 table
in progress
Typical Worn Non-hardfaced CE Table
Finished CE1043 Table
Verified with Metal Template
 Worn CE1043 Table
Finished MPS89 Table

Hardface New CE Coal Pulverizer Table Segments at RPM

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RPM and Associates can also hardface new table segments at our shop. The figures below outline the typical process that we follow when hardfacing coal pulverizer table segments at RPM's shop.

Place your mouse over the images below to see an expanded view.

Worn CE1043 Table
New Table Segments In
Fixture Being Hardfaced
  • Rebuilt Segments Have Double The Wear Life of New Segments

  • New Table Segments Shipped to RPM

  • RPM Assembles Table Segments and Applies 3 or 4 Passes of Hardfacing to New Segments

  • New Hardfaced Segments Are Post-Repaired and Remarked With Sequencing Numbers That Are Used For Assembly at Plant
Worn CE1043 Table
New Table Segments After
Hardfacing
 Worn CE1043 Table
Post-repaired Hardfaced
Table Segments
 Worn CE1043 Table
Assembled and Match Marked
at RPM

Rebuild Worn Coal Pulverizer Table Segments at RPM

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Shown below is an example of a rebuild of a worn MPS89 coal pulverizer table that was performed at RPM.

Place your mouse over the images below to see an expanded view.

Worn CE1043 Table
Worn Segment
"As Received"
Worn CE1043 Table
Segments Assembled in Fixture
Ready For Automatic Hardfacing
 Worn CE1043 Table
Completed Segments Ready for Disassembly
Worn CE1043 Table
Rebuilding In Progress
 Worn CE1043 Table
Final Profile Checked with
Metal Template
 Worn CE1043 Table
Completely Rebuilt Segment

RPM Cast Steel Core Tables

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  • Cast Steel Parts Will Not Crack or Break
  • Cast Steel Alloys Resist Heat Better Than Cast Iron Parts
  • Cast Steel is Weldable – ID, OD, Anywhere!
  • Cast Steel Cores are “Forever Purchases” as They are Always Repairable

Two example cast steel tables are shown in the figures below.

20,000 Pound CE1043 Table Exact Fit Replacement
20,000 Pound CE1043 Table
Exact Fit Replacement
Wear Segments and Clamping System Incorporated into Table
Wear Segments and Clamping System
Incorporated into Table
14,000 Pound Foster Wheeler
MB18 Table with Vane Wheel

Available Alloy Options

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  • Standard High Chrome Carbide Such as Stoody 100HD
  • Standard High Chrome Carbide with Molybdenum Such as Stoody 100HC
  • Micro-Alloyed High Chrome Carbides Such as RPM-CP3 Which has ~30% Increased Wear Life Over Standard High Chrome Carbide Alloys
  • Continuous Wear Band of Tungsten Carbide Chips Embedded in High Chrome Carbide

 

About RPM and Associates

About RPM and Associates (1)

RPM’s chrome carbide-overlayed pulverizer rolls are precision-engineered for long life and reliable performance to ensure reduced cost per unit for our customers.

Rapid City, the Black Hills, and South Dakota ... Our Home

About Rapid City and the Black Hills (2)

The Black Hills are home to one of only two herds in the world that are pure-blooded buffalo. The American buffalo population has gone from 60 million in the 15th century, to less than 1,000 in 1900, but has now climbed back up to 30,000.