CN1827220A

CN1827220A - Vertical ball mill

Info

Publication number: CN1827220A
Application number: CN 200610034986
Authority: CN
Inventors: 王维; 彭美骥
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-14
Filing date: 2006-04-14
Publication date: 2006-09-06
Anticipated expiration: 2026-04-14
Also published as: CN100560210C

Abstract

The invention relates to a upright ball grinder, which comprises a frame and a cylinder, wherein, said cylinder comprises at least two layers of milling devices; a rotational plate is arranged between said two layers; the lower milling device comprises a lower milling stable plate, a lower milling rotational plate and a small milling ball; a lower sliding plate is under the lower milling stable plate; the lower sliding plate is connected to the spring or the hydraulic cylinder; said upper milling device comprises a upper milling inner stable plate, a upper milling outer stable plate, a upper milling rotational plate, a big milling ball and a middle milling ball; a upper outer sliding plate is above the upper milling outer stable plate; a upper inner sliding movable plate is above the upper milling inner stable plate; a guide rail is arranged between the upper outer sliding plate and the upper inner sliding plate; the upper inner and outer sliding plates are each connected to the spring or the hydraulic cylinder. The invention has the advantages that less steel consumption, energy saving, and online regulation of graininess of product.

Description

A kind of vertical ball mill

[technical field]

The present invention relates to a kind of fragmentation and milling equipment, especially relate to a kind of steel consumption less, energy-conservation and product granularity can online adjusting vertical ball mill.

[background technology]

The raw material processing of industries such as mine, cement, chemical industry and coal all be unable to do without fragmentation and grinding, old-fashioned ball mill build heaviness, energy consumption height, noise are big, simultaneously because it grinds the ball size necessarily, can not carry out online adjusting to product granularity, and for example horizontal ball mill must level be installed, be not easy to flowing of material, the product of break-in lattice can not in time go out mill and caused abrasive dust in mill, forms waste.

[summary of the invention]

In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of steel consumption less, energy-conservation and product granularity can online adjusting vertical ball mill.

The technical solution adopted for the present invention to solve the technical problems is: a kind of vertical ball mill, comprise support and cylindrical shell, in described cylindrical shell, be provided with at least and go up, following two layers of milling device, between two layers of milling device, be provided with rotating disk, this rotating disk is connected with rotating shaft, described lower floor milling device comprises lower floor's quiet dish and lower floor rotating disk of milling of milling, mill little stone roller ball is housed between the rotating disk in mill quiet dish and lower floor of lower floor, below milling quiet dish, lower floor is provided with lower floor's slider disc, lower floor's slider disc and spring or hydraulic cylinder join, described upper strata milling device comprise the upper strata mill in quiet dish, upper strata outer quiet dish and the upper strata rotating disk of milling of milling, mill big stone roller ball are housed between the rotating disk in quiet dish and upper strata in milling in the upper strata, grind ball during mill and be equipped with between the rotating disk in quiet dish and upper strata outside milling in the upper strata, outside milling, the upper strata is provided with slider disc outside the upper strata above the quiet dish, in milling, the upper strata is provided with slider disc in the upper strata above the quiet dish, between the slider disc guide rail is housed in slider disc and the upper strata outside the upper strata, outside the upper strata in slider disc and the upper strata slider disc join with spring or hydraulic cylinder separately.

The upper end of described cylindrical shell is provided with feed hopper, and the below of cylindrical shell is provided with drawing mechanism, and the load adjuster is arranged between the raceway of upper and lower two layers of milling device.

One side of described cylindrical shell is provided with water inlet pipe, and the water side of this water inlet pipe communicates with the discharging opening of feed hopper.

Described rotating disk is connected with the reduction box clutch end of motor by rotating shaft.

The invention has the beneficial effects as follows: regulate the pressure that grinds between ball and the raceway and regulate the load adjuster by the size that changes spring force or hydraulic coupling, can pulverize the granularity of the material and the milling product of different hardness, the particle diameter of product can reach 74 microns and account for more than 90%; Adopt lamination pulverizing and steel ball number few simultaneously, do not have the loss of the collision energy between ball and the ball, power consumption only is equivalent to the 1/4-1/5 of the ball mill of same output, one-size; The motion of abrasion steel such as not having collision friction, wash away because the stone roller ball moves, pulverizing steel consumption of the present invention is about 1/tens of general milling machine, adopts high abrasion resisting material as abrasive media, and an associate research fellow grinding media can reach more than 1 year service life; Simultaneously simple in structure, size is ground the speed rotation of ball one side with 1/2 revolution raceway speed, and one side revolves round the sun on raceway, remain circular constant, can long-time running, do not change about 1 year and do not shut down; And alternative general milling machine carries out wet-milling to material; Easily be automated.

[description of drawings]

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is a structural representation of the present invention.

Among the figure: 1-support, 2-reduction box, 3-drawing mechanism, 4-spring-loaded governor, 5-spring or hydraulic cylinder, 6-lower floor slider disc, the 7-lower floor quiet dish of milling, the little stone roller ball of 8-, the 9-lower floor rotating disk of milling, 10-rotating disk, the 11-rotating disk of milling on the upper strata grinds ball among the 12-, the big stone roller ball of 13-, slider disc outside the 14-upper strata, slider disc in the 15-upper strata, 16-feed hopper, the 17-interior quiet dish of milling on the upper strata, the 18-outer quiet dish of milling on the upper strata, 19-guide rail, 20-load adjuster, the 21-cylindrical shell, 22-motor, 23-water pipe, 24-rotating shaft.

[specific embodiment]

Referring to Fig. 1, a kind of vertical ball mill, comprise support 1 and cylindrical shell 21, in described cylindrical shell 21, be provided with upper and lower two layers of milling device, according to actual conditions the multilayer milling device can be set, be provided with rotating disk 10 between two layers of milling device, this rotating disk 10 is connected with reduction box 2 clutch ends of motor 22 by rotating shaft 24; Described lower floor milling device comprises lower floor's quiet dish 7 and lower floor rotating disk 9 of milling of milling, mill little stone roller ball 8 is housed between the rotating disk 9 in mill quiet dish 7 and lower floor of lower floor, below milling quiet dish 7, lower floor is provided with lower floor's slider disc 6, lower floor's slider disc 6 is by spring-loaded governor 4, spring or hydraulic cylinder 5 connect with cylindrical shell, described upper strata milling device comprise the upper strata mill in quiet dish 17, upper strata outer quiet dish 18 and the upper strata rotating disk 11 of milling of milling, mill big stone roller ball 13 are housed between the rotating disk 11 in quiet dish 17 and upper strata in milling in the upper strata, grind ball 12 during mill and be equipped with between the rotating disk 11 in quiet dish 18 and upper strata outside milling in the upper strata, outside milling, the upper strata is provided with slider disc 14 outside the upper strata above the quiet dish 18, in milling, the upper strata is provided with slider disc 15 in the upper strata above the quiet dish 17, guide rail 19 is housed between the slider disc 15 in slider disc 14 and the upper strata outside the upper strata, outside the upper strata in slider disc 14 and the upper strata slider disc 15 separately by spring-loaded governor 4, spring or hydraulic cylinder 5 connect with cylindrical shell respectively.Grinding the ball number of turns in Fig. 1 is 2, under to grind the ball number of turns be 1, the number of turns of grinding ball in practice should be that the output size is provided with and grinds what of the ball number of turns according to the scale of vertical ball mill, and extensive vertical ball mill is that multi-turn is ground ball, can only establish upper strata one circle on a small scale and grind ball.

Be provided with feed hopper 16 in the upper end of described cylindrical shell 21, the below of cylindrical shell 21 is provided with drawing mechanism 3, load adjuster 20 between the raceway of upper and lower two layers of milling device; One side of described cylindrical shell 21 is provided with water inlet pipe 23, and the water side of this water inlet pipe 23 communicates with the discharging opening of feed hopper 16.

In practical operation, tighten spring-loaded governor compression spring or regulate cylinder pressure, cylinder pressure or spring force are with lower floor's slider disc 6, lower floor's quiet dish 7 of milling, little stone roller ball 8 and the lower floor rotating disk 9 of milling compresses, with slider disc 15 outside slider disc outside the upper strata 14 and the upper strata, quiet dish 18 outside in milling in the upper strata mill in quiet dish 17 and upper strata, big ball 13 and middle stone roller ball 12 and the upper strata rotating disk 11 of milling that grinds compresses, start motor 22, make rotating disk 10 rotations through reduction box 2, rotating disk 10 drives upper stratas rotating disk 11 and the lower floor rotating disk 9 of milling of milling and rotates, the big ball 13 that grinds, in grind ball 12 and little stone roller ball 8 just in raceway around the rotation of the center of ball, rotate simultaneously and coil 10 axis and make revolution motion.Material, an amount of water are fallen the mill center of rotating disk 11, upper strata from feed hopper 16, material and water are subjected to action of centrifugal force, outwards flow by the center equably, flowing to big stone roller ball 13 and upper strata mills between the raceway of rotating disk 11, ground ball 13 greatly and roll, shear and pulverize, through the material of pulverizing for the first time, under action of centrifugal force, grind ball 12 and upper strata in the inflow and mill between the raceway of rotating disk 11, by in stone roller ball 12 roll, shear and pulverize.Material enters little stone roller ball 8 and lower floor through load adjuster 20 and mills between the raceway of quiet dish 7 after pulverizing for the second time, is rolled by little stone roller ball 8 and shears and pulverize, through comminuting matter for the third time, outside drawing mechanism 3 discharge grinding machines.Roll, shear in the crushing process at material, lower floor's slider disc 6, lower floor mill slider disc 14 outside slider disc 15 in quiet dish 7 and the upper strata, the upper strata, upper strata mill in the constraint of outer quiet dish 18 of milling of quiet dish 17 and upper strata because of guide rail 19, can not rotate, can only in guide rail 19, move up and down, change the size of spring force or hydraulic coupling, can pulverize the granularity of the material and the milling product of different hardness, the rotating speed of regulating load adjuster 20 and motor 22 can be regulated the size and the output of granularity.

But the present invention have steel consumption less, the advantage of the granularity on-line control of energy-conservation, product.

Claims

1, a kind of vertical ball mill, comprise support and cylindrical shell, it is characterized in that: in described cylindrical shell, be provided with at least and go up, following two layers of milling device, between two layers of milling device, be provided with rotating disk, this rotating disk is connected with rotating shaft, described lower floor milling device comprises lower floor's quiet dish and lower floor rotating disk of milling of milling, mill little stone roller ball is housed between the rotating disk in mill quiet dish and lower floor of lower floor, below milling quiet dish, lower floor is provided with lower floor's slider disc, lower floor's slider disc and spring or hydraulic cylinder join, described upper strata milling device comprise the upper strata mill in quiet dish, upper strata outer quiet dish and the upper strata rotating disk of milling of milling, mill big stone roller ball are housed between the rotating disk in quiet dish and upper strata in milling in the upper strata, grind ball during mill and be equipped with between the rotating disk in quiet dish and upper strata outside milling in the upper strata, outside milling, the upper strata is provided with slider disc outside the upper strata above the quiet dish, in milling in the upper strata, be provided with slider disc in the upper strata above the quiet dish, between the slider disc guide rail be housed in slider disc and the upper strata outside the upper strata, outside the upper strata in slider disc and the upper strata slider disc join with spring or hydraulic cylinder separately.

2, vertical ball mill according to claim 1 is characterized in that: the upper end of described cylindrical shell is provided with feed hopper, and the below of cylindrical shell is provided with drawing mechanism, and the load adjuster is arranged between the raceway of upper and lower two layers of milling device.

3, vertical ball mill according to claim 1 and 2 is characterized in that: a side of described cylindrical shell is provided with water inlet pipe, and the water side of this water inlet pipe communicates with the discharging opening of feed hopper.

4, vertical ball mill according to claim 1 is characterized in that: described rotating disk is connected with the reduction box clutch end of motor by rotating shaft.