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High-low-high split type lining board for semi-autogenous mill barrel and operation method

A semi-autogenous mill and high-fraction technology, which is applied in the direction of grain processing, etc., can solve the problems that the grinding medium and materials cannot be lifted, the integrated liner loses the lifted material, and the cylinder liner replacement cycle is short, etc., to achieve Improve the effect of materials and grinding media, continuous and stable processing capacity, and improve grinding efficiency

Inactive Publication Date: 2015-03-11
LUOYANG MINING MACHINERY ENG DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under normal circumstances, the wear cycle of the bottom plate of the cylinder is longer than that of the lifting bar. When the integrated liner is used, when the lifting bar is worn, although the bottom of the bottom plate wears lightly, the integrated liner has lost the effect of lifting materials. Grinding media and materials cannot be lifted to a certain height, so effective grinding cannot be carried out, which reduces the grinding efficiency, and the liner must be replaced
This results in short overall cylinder liner replacement cycles and wasteful

Method used

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  • High-low-high split type lining board for semi-autogenous mill barrel and operation method
  • High-low-high split type lining board for semi-autogenous mill barrel and operation method
  • High-low-high split type lining board for semi-autogenous mill barrel and operation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Low-type bead 2 is arranged on both sides of high-type bead 1, and bottom plate 3 is arranged between high-type bead 1 and low-type bead 2. In the order of base plate 3 and low bead 2, the high bead 1, base plate 3, and low bead 2 are combined to form a ring-shaped split liner, and a pair of bolts are installed on the high bead 1 and the low bead 2. Holes 1-7, the closing bolts 6 are arranged in the closing bolt installation holes 1-7, and the split liner is fixed in the cylinder body 7 by the closing bolts 6.

Embodiment 2

[0029] The high-type layer 1 and the low-type layer 2 are composed of: layer body 1-1, upper plane 1-2, lower plane 1-3, hypotenuse 1-4, matching bevel 1-5, grinding bevel 1- 6. Composed of bolt mounting holes 1-7, lifting lugs 4, and hanging holes 5; upper and lower planes 1-2 and lower planes 1-3 are set above and below the bead body 1-1, and lifting lugs are set in the middle of the lower plane 1-3 4. Hanging holes 5 are set in the lifting lug 4, a pair of bolt mounting holes 1-7 are symmetrically set on both sides of the lifting lug 4, hypotenuses 1-4 are set on both sides of the bezel main body 1-1, and two hypotenuses 1 Two matching slopes 1-5 are correspondingly arranged between the inner side of -4 and both sides of the upper plane 1-2, and two grinding slopes 1-5 are correspondingly arranged between the outer sides of the two hypotenuses 1-4 and both sides of the lower plane 1-3. 6. The two sides are arranged symmetrically with the slopes 1-5; the two slopes 1-4 are s...

Embodiment 3

[0031]The base plate 3 is composed of: base plate main body 3-1, upper plane 3-2, lower plane 3-3, groove 3-4, side surface 3-5, positioning slope 3-6, lifting lug 4, hanging hole 5 Composition; upper and lower planes 3-2 and lower planes 3-3 are set on the upper and lower sides of the base plate main body 3-1, grooves 3-4 are set in the upper plane 3-2, side surfaces 3-5 are set on both sides of the base plate main body 3-1, The two sides 3-5 and the upper plane 3-2 form an included angle of 90 degrees, two positioning slopes 3-6 are correspondingly arranged between the two sides 3-5 and the lower plane 3-3, and a pair of positioning slopes are arranged on the lower plane 3-3. The hanging lug 4 is provided with a hanging hole 5 in the hanging lug 4; the two sides are arranged symmetrically with the slope 6; the groove 4 is rectangular.

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Abstract

The invention discloses a high-low-high split type lining board for a semi-autogenous mill barrel and an operation method. The lining board consists of high battens, batten bodies, upper planes, lower planes, inclined edges, matching slopes, grinding slopes, connecting bolt mounting holes, low battens, bottom boards, bottom board bodies, upper square planes, lower square planes, grooves, side surfaces, positioning slopes, lifting lugs, hanging holes, connecting bolts and a barrel body. The replacement period of the overall lining board of the barrel is prolonged, the production cost of the overall lining board of the barrel is reduced, the continuous stability of movement states of grinding media and materials is guaranteed, the grinding efficiency is improved, the lining board has characteristics of universality, excellent abrasion resistance, bottom board replacement specificity and the like, and the stability of the movement state of the materials in the barrel can be guaranteed.

Description

technical field [0001] The invention relates to the technical field of wear resistance of wearing parts of semi-autogenous mills, in particular to a high-lower-high split liner device and an operation method for semi-autogenous mill cylinders. Background technique [0002] In addition to protecting the mill cylinder from wear, the bottom plate of the mill can also transfer energy to the grinding medium, thereby improving the movement state and distribution of the grinding medium. Under normal circumstances, the wear cycle of the bottom plate of the cylinder is longer than that of the lifting bar. When the integrated liner is used, when the lifting bar is worn, although the bottom of the bottom plate is slightly worn, the integrated liner has lost the effect of lifting materials. Grinding media and materials cannot be lifted to a certain height, so effective grinding cannot be carried out, which reduces the grinding efficiency, and the liner must be replaced. This makes the ...

Claims

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Application Information

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IPC IPC(8): B02C17/22
CPCB02C17/22
Inventor 和蕴锋赵晓红卢亚楠任亚楠杜强陈松战赵魏王炳龙花建新杜明凯解华华占华龙王春红周洁刘建平高祖瑞
Owner LUOYANG MINING MACHINERY ENG DESIGN & RES INST
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