Calculation of cyanide leaching operation process

        

Cyanide gold extraction is a hydrometallurgical process with complex processes, including leaching, washing, displacement and sewage treatment. In each operation of the cyanidation process, the useful components are distributed in the solid minerals and aqueous solutions. In order to clarify the behavior of other associated minerals (or elements) during cyanidation, ie the effect of impurities on the cyanidation process, it is sometimes necessary to analyze the content of other elements in solid minerals and solutions. In addition, during the cyanidation process, some of the solution is returned to the leaching and washing operations, and these solutions are more or less carried with a certain amount of various impurities, which increases the complexity in the process calculation for various reasons.

Calculation formula:

In the formula:

       t dip - leaching time (hours);

       n - the number of leaching tanks;

       V 1 - the first tank volume of the leaching tank (m 3 );

       V 2 - the volume of slurry processed per hour ( m3 );

       K 1 - the immersion tank volume fullness factor (%) ;

       K 2 - aeration coefficient, generally 1.15 ~ 1.25 ;

       H - the geometric height of the leaching tank (m);

       h —— leaching the bottom of the trough to the height of the overflow pipe (m);

       D - the diameter of the leaching tank (m).

Tapered Roller bearings are radial thrust rolling bearings with tapered roller. There are two kinds of cone angle and big cone angle .Small cone angle mainly bear radial direction load primarily radial and axial loads, often used in pairs, reverse installation, inner and outer ring can be installed separately, in installation using radial and axial clearance can be adjusted; Big cone angle mainly bear axial load primarily of axial and radial load, is generally not used to bear alone the pure axial load, as to the pair (end with the same relative installation) can be used to carry pure radial load.

tapered 1


Tapered roller bearings are widely used in automobile, rolling mill, mining, metallurgy, plastic machinery and other industries.

tapered 2

Range of size are below:

Single row tapered roller bearing:

Inner diameter range: 20mm ~ 1270mm.

Outer diameter range: 40mm ~ 1465mm.

Width: 15mm ~ 240mm.

Double row tapered roller bearing:

Inner diameter range: 38mm ~ 1560mm.

Outer diameter range: 70mm ~ 1800mm.

Width: 50mm ~ 460mm.

Four row tapered roller bearings:

Inner diameter range: 130mm ~ 1600mm.

Diameter range: 200mm ~ 2000mm.

Width: 150mm ~ 1150mm.

The precision we can produce P0~P2.


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