The topology layout in a kind of novel vertical roller abrasive dust mill district
Technical field
The utility model is applied to building materials, electric power, mine, metallurgy, chemical industry, the topology layout in the novel vertical roller abrasive dust of grinding system mill district in the industries such as metallic ore.
Background technology
That Vertical Mill integrates is broken, dry, grinding, classification are carried, and production efficiency is high, and block, graininess and powder raw material can be worn into desired granular material.
The vertical roller grinder grinding plot structure being made up of grinding roller, mill and collet is to affect mill grinding efficiency and stable key, also be the principal character of grinding machine style, what various Vertical Mill difference was structurally the most outstanding is in the structure of mill and the shape of grinding roller.Therefore, each has something to recommend him on functional effect; Refer to Fig. 4.For example the grinding structure of existing conventional square position cone roller needs very high collet design, extend the grinding time of material on mill, because the collet height at mill edge will be far above thickness of feed layer, so there is partial material to be concentrated near mill outer rim, the one, material is in the easy formation Si Liao district at mill edge, affect grinding efficiency, in addition, because mill edge material is many, in the time of grinding roller grinding, material can be compacted again, but because mill edge correspondence grinding roller outside, the material of compacting concentrates on grinding roller outside, namely being equivalent to grinding region narrows, cause the easily wearing and tearing of grinding roller outside, in actual production process, also be outside grinding roller serious wear, coincide with theory analysis.
Summary of the invention
The utility model provides a kind of simple in structure, easy to install, grinding time of increasing material for solving the technical problem existing in known technology, has improved mill efficiency, reduces the topology layout in the novel vertical roller abrasive dust mill district of grinding machine vibration and noise.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is:
The topology layout in a kind of novel vertical roller abrasive dust mill district, comprise mill disk body, be arranged on the lining board for grinding discs in mill disk body grinding district, described lining board for grinding discs is spliced by several liner plate monomers, be arranged on the collet on mill disk body top and be positioned at the grinding roller of top, grinding district, it is characterized in that: the upper surface of the liner plate monomer of described lining board for grinding discs is the ramp structure centroclinal to mill disk body, several lining board for grinding discs are assembled in the resistance area that has formed a turbination structure on mill disk body; Described grinding roller adopts cylindrical grinding roller, and the working face of grinding roller is planar structure, and it is parallel with above-mentioned resistance area that cylindrical grinding roller is arranged on the working face of grinding district top and grinding roller, is material bed between the working face of grinding roller and resistance area.
The utility model can also adopt following technical measures:
The inclination angle of the upper surface of described liner plate monomer is 0~12 °.
Advantage and the good effect that the utlity model has are: due to the utility model technique scheme, tool has the following advantages:
1, the grinding time that increases material, has improved mill efficiency.This milling zone is certain inclination angle because lining board for grinding discs has, this inclination angle can make material on mill when grinding, process at material from grinding machine center to grinding machine border movement, under the effect of centrifugal force, move upward along the inclined-plane tilting, due to inclined-plane setting, in motion process, to overcome gravity, compare and extended the time of material stop on mill with existing planar structure, the milling time that has increased material, has improved mill efficiency.
2, lining board for grinding discs is parallel with grinding roller faying face, extends grinding section length, increases the life-span of wear parts, can extend grinding section length in grinding region, increases the life-span of wear parts.
3, can reduce grinding machine vibration and noise.This structure, when vertical roller grinder steady running, the thickness of the bed of material from grinding machine center to mill edge by loose to closely knit, thereby be conducive to the steady running of grinding machine.
The utility model reasonable in design in sum, simple possible, dismounting and easy to adjust and manufacture and maintenance cost are cheap, have huge economic benefit.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is liner plate monomer cutaway view;
Fig. 3 is the top view of lining board for grinding discs;
Fig. 4 is prior art structural representation.
In figure: 1, mill disk body; 2, lining board for grinding discs; 2-1, liner plate monomer; 2-2, resistance area; 3, collet; 4, grinding roller; 4-1, working face; 5, material bed.
Detailed description of the invention
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to Fig. 3, the topology layout in a kind of novel vertical roller abrasive dust mill district, comprise mill disk body 1, be arranged on the lining board for grinding discs 2 in mill disk body grinding district, described lining board for grinding discs is spliced by several liner plate monomer 2-1, be arranged on the collet 3 on mill disk body top and be positioned at the grinding roller 4 of top, grinding district, the upper surface of the liner plate monomer of described lining board for grinding discs is the ramp structure centroclinal to mill disk body, and several lining board for grinding discs are assembled in the resistance area 2-1 that has formed a turbination structure on mill disk body; Described grinding roller adopts cylindrical grinding roller, and the working face 4-1 of grinding roller is planar structure, and it is parallel with above-mentioned resistance area that cylindrical grinding roller is arranged on the working face of grinding district top and grinding roller, is material beds 5 between the working face of grinding roller and resistance area.The height of the collet of said structure design, a little more than the outer peripheral height of liner plate monomer, compared with prior art avoids producing Si Liao district.
In said structure, the inclined angle alpha of the upper surface of described liner plate monomer is preferably 0~12 °, is also 0~12 ° in its corresponding grinding roller established angle β.
The operation principle of patent of the present invention
Under the driving effect of motor, under effect at the material that drops on mill center at centrifugal force, on lining board for grinding discs, moved by middle mind-set edge, form the bed of material, the axis operating position of cylindrical grinding roller and level have certain angle grinding pressure to be applied to the bed of material from cylindrical grinding roller, and material grinding under the effect of cylindrical grinding roller and cylindrical lining board for grinding discs goes out finished product.
In the above-mentioned course of work, the inclination angle of lining board for grinding discs can make material at mind-set border movement therefrom, and material moves upward along inclined-plane, has extended like this time of material stop on mill, has increased the grinding number of times of material, has improved mill efficiency.In addition, owing to grinding the increase of number of times, the material particles that is in collet reduces, and has weakened like this backgauge effect of collet, homogenizing the burden in grinding district, the wearing-in period that has extended emphasis grinding region.According to the coefficient of friction of the particle size of material grindability, material and storeroom, can be by adjusting gradient and the grinding roller operating angle of lining board for grinding discs, to adapt to different material.
The utility model increases the grinding time of material in sum, extends grinding section length, has improved mill efficiency, increases the life-span of wear parts, can reduce grinding machine vibration and noise; In addition, the utility model also has reasonable in design, simple possible, and dismounting and easy to adjust and manufacture and maintenance cost are cheap, have the advantages such as huge economic benefit.
The above is only to preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, every foundation technical spirit of the present utility model is to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.