Transcript Cement manufacturing at Pueblo Plant
Rotary presentation
February 23th, 2009
Pueblo Plant Overview
89 Employees 54 Hourly @ $30.59/ hour average 35 Salary @ $73,263/ year average 78% Hired Locally Total Annual Payroll $6,524,422 Taxes $3,400,000 County $700,000 Sales Tax
Pueblo Plant Overview
Royalties $750,000 State Education Fund $32,800 State Education Fund Purchase Locally $18,000,000 Annually Pueblo County and Colorado Community Budget $38,950 Annually GCC Competitive Advantage HP/CI Self Directed Work Teams
Plant Overview
Quarry
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Crushing capacity of 500 tph Product fines size 5 ” to
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Mobile crusher the type of quarry due
Limestone storage
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Continuous stacking and reclaiming
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Blending ratio 8 to 1
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Capacity 17,000 ton
Longitudinal storage
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One stacker for raw materials (Mill scale, Sandstone, kaolin, coal )
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2 reclaimers (one for raw materials and one for coal)
Raw mill
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4 materials ( limestone 88%, sandstone 5%, kaolin/clay 5%, mill scale 2% )
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225tph
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Active vibration damping (AVD) system
Raw mill and Finish mill
Blending silo
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7,500 ton capacity ( 1.5 days of kiln operation )
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Blending ratio 8 to 1
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7 programmed outlets to blend the material
Pyro system
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2,900 tpd capacity
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5 stages preheater with calciner
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Heat consumption 725 kcal/kg
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Friction drive
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Tangensial tyre suspension
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DeSOx
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Low NOx calciner
Kiln
Low NOx calciner
Reduction zone At high temperature
Kiln
DeSOx system
Dry scrubber for sulfur Fix sulfur in the raw mix avoiding emissions
Kiln
Tangential suspension
Free radial expansion of the shell to minimize ovality and maximize refractory life Bracket are bolted onto the tyre “Dog bone” keep the tyre in position Welded blocks rest on elastic brackets bolted to sides of tire with spring-loaded wedges in between Spring keeps wedge on position as dimension change with heat expansion
Kiln
Friction drive
No lubrication needed usage Roller-tire friction Maintenance free
Clinker cooler
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Cools clinker from 2600 F to 150 F
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Mechanical flow regulator system for air control
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Hydraulic drive
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Hydraulic breaker roller
Clinker cooler
Mechanical Flow Regulator ( MFR ) system in the cooler
Automatic control of cooling air Energy savings Transport separate from cooling
Clinker cooler
Hydraulic Roller braker (HRB):
Uniform clinker size of clinker for the finish mill Less maintenance Smooth operation
Coal system
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Capacity 26 tph
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Prepare for high moisture coal grinding
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CO2 system protection for
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Coal tube/pipe conveyor fire
Clinker dome storage
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110,000 ton capacity
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6 outlets
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Concrete wall design
Finish mill
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180 tph
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Type I/II low alkali cement
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95% clinker 5% gypsum
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Active vibration damping (AVD) system
Raw mill and Finish mill
Active vibration damping system (AVD) Raise roller to stabilize operation Reduced vibration levels Maintain high mill runtime factor Minimize restarts that affects the main motor Better control of grinding pressure
Cement silos and shipping
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4 silos 10,000 ton each
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385 tph loading capacity
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Railcar and truck load spouts
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Certified scales for railcars and trucks
GCC Rio Grande
Pueblo Plant
Team Building
Vision Statement Key on Team Leaders Leadership team Weekly meetings Training No one better than anyone No lies Union defense Pay and Benefits Process Overview General Operations Methodology
Vision
We are a world class producer of quality cement.
We are highly productive and profitable because we are well trained, highly motivated employees who are dedicated to using state-of-the art technology and continuously improving our processes in a safe and clean environment.
Our commitment to all employees is based on trust, mutual interest, respect and honesty.
We create opportunities that allow all to seek their level of excellence.
We reach our shared vision through a plant wide philosophy that empowers all employees through leadership and the practice of Continuous Improvement.
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Leadership
Key on Team Leaders Lead and understand Leadership Team Every…is an apprentice
Communication
Weekly meetings Communicate expectations Listen!!
Respond with business reasons Reinforce operations values Safety Environment Equipment Quality Production High Performance and CI
Ownership
NO ONE IS BETTER THAN ANYONE ELSE!
Through our actions Communicate all, everything Answer all, everything ALL RESPONSES- BUSINESS BASED NO LIES!!
Training
Basic platform PCC In house Specific OJT (L-0, L-1) and Process Operation Guideline (POG) PMR development Equipment parts catalog Sister operations visit/run Vendors
Skilled workforce
Pay and benefits Leader in community $23.78/ hour average- hourly $73,650 annual average- salary Expect more Involvement and participation CI methodology Ideas for improvement JOBS-verification and versatility
Cement manufacturing process
Structure
Shipping RRU (10) Procurement HP&ISO Plant Mgr ENV HR PACC S1(6) S2 (6) Quarry (7) S3 (6) One electrician and one mechanic within each shift team S4 (6) PC Plant Leadership Team Reliability Raw Materials Raw Mill-Kiln Electrical Engineer System administrator Finish Mill-Shipping Maintenance Support • One electrician/instrumentation on each area of responsibility team (3)
CI Methodology
the organization