Benchmarking: Ball Mill Power Draw Models - Revision history

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Collahuasi */

2014-05-31T15:57:49Z

Benchmarking: Ball Mill Power Draw - Collahuasi

← Older revision		Revision as of 15:57, 31 May 2014
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	* ''Villouta, R.M.'', '''Collahuasi: After years of operation''', Proceedings of the International Autogenous and Semiautogenous Grinding Technology conference (SAG 2001), Vancouver, Canada, Pages I-31 – I-42		* ''Villouta, R.M.'', '''Collahuasi: After years of operation''', Proceedings of the International Autogenous and Semiautogenous Grinding Technology conference (SAG 2001), Vancouver, Canada, Pages I-31 – I-42

			{\| class="wikitable" border="1"
			\|-
			!
			! DCS Power, kW
			! Speed, %
			of critical
			! Mill filling
			! Morrell Model, kW
			! Nordberg model, kW
			(no density correction)
			! Nordberg model, kW
			(density correction)
			\|-
			\| original
			\| 8900
			\| 74%
			\| 35% v/v
			\| 9044 (+1.6%)
			\| [deduct 5%] 8183 (-8.8%)
			\| [deduct 5%] 8717 (-2.1%)
			\|-
			\| later
			\| 9200
			\| 78%
			\| 35% v/v
			\| 9655 (+4.9%)
			\| [deduct 5%] 8890 (-3.5%)
			\| [deduct 5%] 9471 (+2.9%)
			\|}
			All power values relative to DCS.

	[[Benchmarking: Collahuasi ball mill model\|See details of benchmarking]]		[[Benchmarking: Collahuasi ball mill model\|See details of benchmarking]]

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Collahuasi */

2014-05-31T15:20:01Z

Benchmarking: Ball Mill Power Draw - Collahuasi

← Older revision		Revision as of 15:20, 31 May 2014
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	==Benchmarking: Ball Mill Power Draw - Collahuasi==		==Benchmarking: Ball Mill Power Draw - Collahuasi==

	* ''Villouta, R.M.'', '''Collahuasi: After years of operation''', Proceedings of the International Autogenous and Semiautogenous Grinding Technology conference (SAG 2001), Vancouver, Canada, Pages I-31 &~~mdash~~; I-42		* ''Villouta, R.M.'', '''Collahuasi: After years of operation''', Proceedings of the International Autogenous and Semiautogenous Grinding Technology conference (SAG 2001), Vancouver, Canada, Pages I-31 – I-42

	[[Benchmarking: Collahuasi ball mill model\|See details of benchmarking]]		[[Benchmarking: Collahuasi ball mill model\|See details of benchmarking]]

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Santa Rita */

2014-05-31T15:17:06Z

Benchmarking: Ball Mill Power Draw - Santa Rita

← Older revision		Revision as of 15:17, 31 May 2014
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	[[Benchmarking: Santa Rita ball mill model\|See details of benchmarking]]		[[Benchmarking: Santa Rita ball mill model\|See details of benchmarking]]

			==Benchmarking: Ball Mill Power Draw - Collahuasi==

			* ''Villouta, R.M.'', '''Collahuasi: After years of operation''', Proceedings of the International Autogenous and Semiautogenous Grinding Technology conference (SAG 2001), Vancouver, Canada, Pages I-31 — I-42

			[[Benchmarking: Collahuasi ball mill model\|See details of benchmarking]]

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Fimiston */

2014-01-26T18:04:27Z

Benchmarking: Ball Mill Power Draw - Fimiston

← Older revision		Revision as of 18:04, 26 January 2014
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	! Total load,<br>%v/v		! Total load,<br>%v/v
	! Pulp %solids,<br>w/w		! Pulp %solids,<br>w/w
	! Morrell BM Model,<br>kW at input / ''shell''		! Morrell SAG Model,<br>kW at input / ''shell''
	! Nordberg Model,<br>kW at input / ''shell''		! Nordberg Model,<br>no density correction<br>kW at input / ''shell''
			! Nordberg Model,<br>density correction<br>kW at input / ''shell''
	\|-		\|-
	\| Survey 1		\| Survey 1
	\| '''3,864'''		\| '''3,864'''
			\| <del>66.7</del> 68.4 <sup>&dagger;</sup>
	\| 68.3
	\| 38.7		\| 38.7
	\| 72.0		\| 72.0
	\| '''3,~~933~~''' / ''3,~~776~~''		\| '''3,798''' / ''3,798''
	\| '''3,~~592~~''' / ''3,~~345~~''		\| '''3,619''' / ''3,370''
			\| '''3,894''' / ''3,626''
	\|}		\|}

	* Morrell model predicts 2% high		* Morrell model predicts 2% high
	* Nordberg model predicts 7% low		* Nordberg model predicts 7% low with no density correction and 0.8% high with density correction.

	[[Benchmarking: Fimiston Ball Mills\|See details of benchmarking]]		[[Benchmarking: Fimiston Ball Mills\|See details of benchmarking]]

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Meadowbank */

2014-01-26T18:01:50Z

Benchmarking: Ball Mill Power Draw - Meadowbank

← Older revision		Revision as of 18:01, 26 January 2014
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	! Mill filling		! Mill filling
	! Morrell Model, kW		! Morrell Model, kW
⚫	! Nordberg model, kW
⚫	density correction
	! Nordberg model, kW		! Nordberg model, kW
	no density correction		no density correction
		⚫	! Nordberg model, kW
		⚫	density correction
	\|-		\|-
	\| May 2012		\| May 2012
Line 47:		Line 47:
	\| 30.6% v/v		\| 30.6% v/v
	\| 4,765 (+9.3%)		\| 4,765 (+9.3%)
⚫	\| 4,753 (+9.5%)
	\| 4,426 (+1.9%)		\| 4,426 (+1.9%)
		⚫	\| 4,753 (+9.5%)
	\|}		\|}

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Meadowbank */

2014-01-26T18:01:07Z

Benchmarking: Ball Mill Power Draw - Meadowbank

← Older revision		Revision as of 18:01, 26 January 2014
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	* ''Muteb, P. & Allaire, J.'', '''Meadowbank Mine Process Plant Throughput Increase''', Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.		* ''Muteb, P. & Allaire, J.'', '''Meadowbank Mine Process Plant Throughput Increase''', Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.

	{\| class="wikitable" border="1"		{\| class="wikitable" border="1"
	\|-		\|-
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	! Morrell Model, kW		! Morrell Model, kW
	! Nordberg model, kW		! Nordberg model, kW
			density correction
			! Nordberg model, kW
			no density correction
	\|-		\|-
	\| May 2012		\| May 2012
Line 45:		Line 47:
	\| 30.6% v/v		\| 30.6% v/v
	\| 4,765 (+9.3%)		\| 4,765 (+9.3%)
	\| 4,~~423~~ (+1.9%)		\| 4,753 (+9.5%)
			\| 4,426 (+1.9%)
	\|}		\|}

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Santa Rita */

2014-01-26T18:00:34Z

Benchmarking: Ball Mill Power Draw - Santa Rita

← Older revision		Revision as of 18:00, 26 January 2014
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	* ''Latchireddi, S. & Faria, E.'', '''Achievement of High Energy Efficiency in Grinding Mills at Santa Rita''', Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.		* ''Latchireddi, S. & Faria, E.'', '''Achievement of High Energy Efficiency in Grinding Mills at Santa Rita''', Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.
	* ''Faria, E. & Latchireddi, S.'', '''Commissioning and Operation of Milling Circuit at Santa Rita Nickel Operation''', Paper #137: Proceedings of the International Autogenous Grinding, Semiautogenous Grinding and High Pressure Grinding Roll Technology Conference, Vancouver, Canada, September 2011.		* ''Faria, E. & Latchireddi, S.'', '''Commissioning and Operation of Milling Circuit at Santa Rita Nickel Operation''', Paper #137: Proceedings of the International Autogenous Grinding, Semiautogenous Grinding and High Pressure Grinding Roll Technology Conference, Vancouver, Canada, September 2011.

	{\| class="wikitable" border="1"		{\| class="wikitable" border="1"
	\|-		\|-
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	! Morrell Model, kW		! Morrell Model, kW
	! Nordberg model, kW		! Nordberg model, kW
			(no density correction)
			! Nordberg model, kW
			(density correction)
	\|-		\|-
	\| July 2010		\| July 2010
	\| 5085		\| 5085
	\| 27.5% v/v		\| 27.5% v/v
	\| ~~5093~~ (~~+0.~~2%)		\| 4979 (-2.1%)
	\| ~~4626~~ (-9.5%)		\| 4706 (-8.1%)
			\| 5083 (0.0%)
	\|}		\|}

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Fimiston */

2014-01-26T17:42:41Z

Benchmarking: Ball Mill Power Draw - Fimiston

← Older revision		Revision as of 17:42, 26 January 2014
Line 12:		Line 12:
	! Total load,<br>%v/v		! Total load,<br>%v/v
	! Pulp %solids,<br>w/w		! Pulp %solids,<br>w/w
	! Morrell ~~SAG~~ Model,<br>kW at input / ''shell''		! Morrell BM Model,<br>kW at input / ''shell''
	! Nordberg Model,<br>kW at input / ''shell''		! Nordberg Model,<br>kW at input / ''shell''
	\|-		\|-

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Santa Rita */

2013-01-27T21:05:45Z

Benchmarking: Ball Mill Power Draw - Santa Rita

← Older revision		Revision as of 21:05, 27 January 2013
Line 53:		Line 53:

	* ''Latchireddi, S. & Faria, E.'', '''Achievement of High Energy Efficiency in Grinding Mills at Santa Rita''', Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.		* ''Latchireddi, S. & Faria, E.'', '''Achievement of High Energy Efficiency in Grinding Mills at Santa Rita''', Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.
			* ''Faria, E. & Latchireddi, S.'', '''Commissioning and Operation of Milling Circuit at Santa Rita Nickel Operation''', Paper #137: Proceedings of the International Autogenous Grinding, Semiautogenous Grinding and High Pressure Grinding Roll Technology Conference, Vancouver, Canada, September 2011.
	*

	{\| class="wikitable" border="1"		{\| class="wikitable" border="1"

Alex Doll: /* Benchmarking: Ball Mill Power Draw - Meadowbank */

2013-01-27T20:34:07Z

Benchmarking: Ball Mill Power Draw - Meadowbank

← Older revision		Revision as of 20:34, 27 January 2013
Line 49:		Line 49:

	[[Benchmarking: Meadowbank ball mill model\|See details of benchmarking]]		[[Benchmarking: Meadowbank ball mill model\|See details of benchmarking]]

			==Benchmarking: Ball Mill Power Draw - Santa Rita==

			* ''Latchireddi, S. & Faria, E.'', '''Achievement of High Energy Efficiency in Grinding Mills at Santa Rita''', Proceedings of the Canadian Mineral Processors Annual General Meeting, Ottawa, Canada, January 2013.
			*

			{\| class="wikitable" border="1"
			\|-
			!
			! DCS Power, kW
			! Mill filling
			! Morrell Model, kW
			! Nordberg model, kW
			\|-
			\| July 2010
			\| 5085
			\| 27.5% v/v
			\| 5093 (+0.2%)
			\| 4626 (-9.5%)
			\|}

			[[Benchmarking: Santa Rita ball mill model\|See details of benchmarking]]