Boliver International - Product Range - Grid Liner Questionnaire

GRID LINER QUESTIONNAIRE

To make sure we answer your enquiry promptly, please provide us with the following data:

Mr. Mrs. Ms. Miss Dr.

Name:

Company:

Street Address:

City:

State:

Post Code:

Country:

Telephone:

Facsimile:

E-mail:

Mill Size

Diameter and length:

Type of mill

Ball, rod, pebble etc:

Primary, secondary etc:

Number of mills in use:

Autogenous, semi-autogenous:

Mill speed

RPM:

Critical:

Bond work index of product

Kwhr/ton:

Grinding media

Steel balls, rods, pebbles etc:

Type/brand name:

Size:

Steel ball charge

Percentage volume/tonne:

Steel ball consumption

Present kg/ton used:

Liner consumption

Present kg/ton used:

Type of mill feed

Run of mine (ROM) size and %age:

Via crusher plant size and %age:

Discharge

Grate discharge/overflow:

Existing type of liners in use

Solid, grid, lifter bar etc:

Feed end liners:

Shell liners:

Discharge end liners:

Material type

Manganese, chrome molybdenum:

Hi-chrome, Ni-hard etc:

General arrangement drawing of mill

Showing bolt hole centres and diameter:

Manhole/door position:

Detailed drawing of

Feed end liners:

Shell liners:

Discharge end liners:

Relevant bolts used:

Critical speed calculations

The critical speed of a grinding mill is the lowest speed that will cause an infinitely small particle of the shell liner to centrifuge.