dpm tsumeb overview smelter site tour february,...
TRANSCRIPT
2/11/2016
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TSUMEB SMELTER TOURFebruary 10, 2016
DPM TSUMEB
OVERVIEW SMELTERSITE TOUR
FEBRUARY, 2016
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• David Rae – EVP and COO
• Brent Johnson – Vice President, Environment
• Thinus Loftie-Eaton – Acting Vice President & General Manager, Tsumeb Smelter
• Barcelona Plaatjies – Director, Operations
• Buks Kruger – Director, Technical Services
• Sam Januarie – Director, Support Services
• Jeff Pennock – Senior Finance Advisor (Acting Finance Director)
• Isai Nekundi – Manager, Stakeholder & Administrative Affairs
• Hannes Zandberg – Project Manager, Acid Plant Project
PARTICIPANTS
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SITE TOUR OVERVIEW
Effluent plant
Acid plant
Ausmelt
New converters
Acid storage tanks
Acid loading
Ausmelt baghouse
Hygiene baghouse
Arsenic plant
Old converters
Off‐gas
Acid plant laydown area
Fin‐fan coolers
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Oxygen plant
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1. New Oxygen Plant
2. Put PPE - see the effluent plant, the fin fan coolers
3. New bag houses and acid plant view
4. Layout of the site (ausmelt and converters), and fugitive bag houses, receiving bay (Ausmelt roof)
5. Converters, blister casting area and old reverbs
6. New converter area, acid loading, acid storage tanks
7. Acid plant
8. Arsenic plant
MAIN STOP POINTS
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• Second oxygen plant is constructed – with capacity 400 tpd
• The capacity of the old plant is 170 tpd
2ND OXYGEN PLANT
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• New ausmelt baghouse was constructed – commissioned in 2013
AUSMELT BAGHOUSE
The new baghouse is built on the place of an old sinter plant
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AUSMELT / CONVERTERSSEQUENTIAL IMPROVEMENT ACTIVITIES
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• Build on the place of the old gas producer
NEW HYGIENE BAGHOUSE
New hygiene baghouse
after
before
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During construction
Before the project
NEW CONVERTER SECTION
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NOW
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ACID PLANTFIN – FAN COOLERS
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During constructionDuring construction
NOW
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EFFLUENT PLANT
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NOW
During construction
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• Earth works
NEW ACID PLANT
Before: Old baghouse (demolished)
During construction - 2014
During construction -2014
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NOW
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Baghouse; Before, During and After backfilling
During construction – base of the converter
NEW ACID CONVERTER SECTION
Baghouse; Before, During and After backfilling
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before
NOW
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• New receiving bins for
ARSENIC PLANT – PNEUMATIC TRANSFER AND DUST CONTROL
Old arsenic bag house ‐ decommissionedNew baghouse
before
Pneumatic conveying and dust handling
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ACID PLANT PROJECT – LAYDOWN AREA
June’14
January’14January’14
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before
During construction
ACID STORAGE TANKS
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ACID LOADING
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• Old Converters
• Temporary hoods installed
• 3 units 10*20’ dimension
• Significant fugitive SO2 generator
• All material is charged when the converter is out of stack
CONVERTERS –PEARCE-SMITH
New Converters
• Set to be replaced with 2 new 13*30’ converters as part of the acid plant project
• Ability to charge material in-stack (flux and reverts)
• Significant reduction in fugitive emissions (SO2
capture)
• Improved energy efficiency
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AUSMELT FURNACE
backOutotec® Ausmelt TSL Furnace Technology.MP4
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• A hazardous waste storage was build ensuring compliance with international environmental standards
HAZARDOUS WASTE DISPOSAL SITE
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