List Books on Cyanidation
ALLAN, A. W.: Mill and Cyanide Handbook, Charles Griffin & Company Ltd., London, 1918. ALLEN, ROBERT: West Australian Metallurgical Practice, Chamber of Mines of Western Australia, 1906. BAIN, H. F.: More Recent Cyanide Practice, Mining and Scientific Press, San Francisco, 1910. BERTELSMANN, WILHELM: Der Technologie der Cyanverbindugen, Munchen and Berlin. 1906. BOSQUI, F. L.: Practical […]
Gold Room Security
Very little is documented about Gold Room Security due to the sensitivity of people around it. At the same time, when establishing a new operation it is useful to have a standard security starting point on which to address the issues with directly related to gold room security design fundamentals. This paper will provide guidelines and a ‘prompt’ […]
Open or Closed Circuit Crushing
The factors governing the determination of capacity for any open circuit crushing stage are much the same as those we outlined in connection with the secondary stage. In a properly designed crushing plant, excepting those plants which by-pass a portion of the pit-run around the head end of the flow line and inject this fraction […]
Crushing Plant: Surge Bins VS Stockpiles
I need to further comment on the influence of surge storage upon plant operation. The provision of adequate surge storage at the right places in the flow line is of sufficient importance to warrant a little further consideration. It is desirable, in the crushing plant, as it is in any production process, to achieve a smooth […]
Single VS Multi-Stage Crushing
There are no set rules for determining whether the secondary stage should consist of one single crusher, or of two or more machines operating in parallel. The decision must be made upon the merits of each problem. If the required receiving opening necessitates the selection of a crusher whose capacity equals or exceeds that of […]
Secondary Crushing Equipment
The term “secondary crushing” has become well established and familiar through long usage; it applies to the crushing stage, either single or multiple, which follows immediately after the primary crusher, taking all or a portion of the product of the primary crushing stage as its feed. The term should not be used, as it sometimes […]
Column Flotation Cells
Column flotation cells, like mechanical cells, are used to perform mineral separations. Column cells do not use mechanical agitation (impellers). Instead, mixing is achieved by the turbulence provided by the rising bubbles. Columns are mostly used to produce final grade concentrates because they are capable of high selectivity. Other features which distinguish them from mechanical […]
Crusher Surge Pocket AKA “Rock Box”
A crusher’ surge pocket, sometimes called a “rock box“, is found directly below the primary gyratory crusher. It provides limited storage, normally about two truckloads, to enable smooth feeding of crushed product from the bottom of the crusher onto an apron feeder and takeaway belt conveyor. Pocket Level Level instruments measure “high-high”, “high”, and “low” […]
DR-300 Flotation Agitator Mechanism Drawings
DR-300 Diffuser Assembly and DR300 FLOTATION AGITATOR DRAWINGS and DR-300 WEAR RING FINISHED DR-300 9 VAIN IMP FIN and DR-300 12 VAIN IMP FIN and DR-300 Air Bell NO METAL INSERT M-0046 DR-300 Flotation cell cross section profile Drawings and DR Flotation Cells-Machines brochure and DR 300 500 1500 Flotation Cell Drawings
Gyratory VS Jaw Crushers: Advantages & Disadvantages
No discussion of primary crusher selection would be complete without a comparison of the two leading types: the standard gyratory crusher and the Blake jaw crusher. Although their fields of application overlap to a considerable degree (at least in the realm of primary crushing) there is no real conflict between these two machines; one supplements the […]