CN2805933Y

CN2805933Y - Tower type mill

Info

Publication number: CN2805933Y
Application number: CNU2005200557045U
Authority: CN
Inventors: 彭美骥; 王维
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-18
Filing date: 2005-03-18
Publication date: 2006-08-16
Anticipated expiration: 2015-03-18

Abstract

The utility model relates to a tower type mill which comprises an electric drive system, a milling working chamber, a feeding device and a discharge device. A cage-shaped rotor is arranged at the uppermost layer of the tower type mill, two layers or more than two layers of milling working chambers are arranged in the cage-shaped rotor, and two layers or more than two layers of milling working chambers are made into the tower type structure. The lowest layer of milling working chamber is composed of a crushing frustum and a frustum mortar. The utility model has the advantages of high efficiency, low power consumption and low noise, and is matched with vertical centrifugal crushers to reduce the manufacturing cost of cement and manufacture super fine cement.

Description

Tower mill

[technical field]

The utility model relates to a kind of tower mill, especially relates to a kind of tower mill of nonmetal siccative powder as the milling equipment of production cement that be applied to produce.

[background technology]

At present, in the equipment of producing nonmetal siccative powder, for example: in the milling equipment of producing cement, the small-sized cement enterprise that adopts shaft kiln is arranged, it generally uses ball mill; The large-scale cement enterprise that adopts rotary kiln is arranged, and it generally uses Vertical Mill.And that the shortcoming of ball mill is an efficient is low, power consumption is high, noise is big; Equally, Vertical Mill plant area area is big, investment is big, it is difficult to safeguard, energy-saving effect is poor.

Chinese patent application 98229225.2 discloses a kind of centrifugal grinder that mill is situated between that do not have, comprise the housing that contains charging aperture, be positioned at rotating disk and classification rotary blade that housing bottom and top are driven by separately power set respectively, be positioned at the adjustable feeding back device on the housing, and contain the material discharge chamber of discharging opening and be positioned at the inlet air plenum that air inlet is contained in the rotating disk below above being positioned at the classification rotary blade.The shortcoming of this patent is: wearing and tearing are big, and reliable performance is poor.

[utility model content]

In order to overcome the existing shortcoming that the existing efficient of milling equipment is low, power consumption is high, noise is big and maintenance is difficult of producing cement, the utility model provides a kind of tower mill.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of tower mill, comprise electric drive system, grinding working chamber, charging gear and drawing mechanism, the described tower mill the superiors are provided with cage rotor, be provided with two-layer or two-layer above grinding working chamber in it, constitute tower structure by two-layer or two-layer above grinding working chamber, its basecoat grinding working chamber is made up of fragmentation awl and awl mortar.

The shell of the grinding working chamber of described tower mill is a cylindrical shell, and this cylindrical shell is provided with two fan doors.

The beneficial effects of the utility model are: have efficient height, power consumption is low, throat sound is little advantage, the utility model use that matches with the broken grinding machine of vertical centrifugal can reduce the cement manufacturing cost, and can produce superfine cement.

[description of drawings]

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a structural representation of the present utility model.

Among the figure: the 1st, belt pulley, the 2nd, belt, the 3rd, cage rotor, the 4th, rotor, the 5th, grind ring, the 6th, the taper abrasion-proof backing block, the 7th, stopping means, the 8th, spring, the 9th, broken awl, the 10th, awl mortar, the 11st, discharging opening, the 12nd, main shaft, the 13rd, airduct, the 14th, cylindrical shell, the 15th, door, the 16th, charging aperture.

[specific embodiment]

Referring to Fig. 1, shown in Figure 1 is the structural representation of the utility model tower mill, a kind of tower mill, comprise electric drive system, the grinding working chamber, charging gear and drawing mechanism, these tower mill the superiors are provided with cage rotor 3, be provided with the grinding working chamber of multilayer in it, constitute tower structure by multilayer grinding working chamber, this grinding working chamber by grind ring 5 roller devices and taper abrasion-proof backing block 6[or by fragmentation awl 9 and awl mortar 10] form, grind loop device by rotor 4, lock shaft is connected with main shaft 12, grinds to be separated by gapped by stopping means 7 between ring 5 devices and the taper abrasion-proof backing block 6.Described taper abrasion-proof backing block 6 bottoms are provided with airduct 13, constitute separation chamber by airduct 13.

The basecoat grinding working chamber of this tower mill is made up of fragmentation awl 9 and awl mortar 10, in every layer of grinding working chamber, and the gap between taper abrasion-proof backing block 6 and the stone roller ring 5.Shell at this tower mill is to be provided with two fan doors 15 on the cylindrical shell 14, can conveniently overhaul, and in time changes taper abrasion-proof backing block 6, stone roller ring 5, quartering hammer 9 and awl mortar 10.

Transmission system comprises slowspeed machine, driving belt 2 and deceleration belt pulley 1, and slowspeed machine is connected with main shaft 12 by belt pulley 1, and makes main shaft 12 rotations, like this, directly slows down with belt pulley 1, makes transmission reliable and stable.

Operation principle:

During the utility model work, by motor through belt 2, belt pulley 1 makes main shaft 12 rotations, thereby drive cage rotor 3, grind ring 5 rollers, broken awl 9 rotates synchronously with main shaft 12, after material enters the utility model tower mill from charging aperture 16, just the width of cloth of falling on the rotor 4 is penetrated on the spreading disk of shape, the material dirt of kicking up is siphoned away by the negative pressure that cage rotor 3 rotations form, deliver in the outer dust exhaust apparatus of the utility model tower mill, remaining material is spread on the inwall of taper abrasion-proof backing block 6 by spreading disk, material is under the effect of gravity, under slide between taper abrasion-proof backing block 6 inwalls and the roller 5, the stone roller ring 5 that is rotated rolls and fragmentation, when the material after the fragmentation is discharged taper abrasion-proof backing block 6, material dirt is risen by the wind of airduct 13, the material dirt of kicking up is siphoned away by the negative pressure that cage rotor 3 rotations form again, remaining material spreads on the inwall of taper abrasion-proof backing block 6 of downward one deck grinding working chamber, repeat the work of last layer grinding working chamber again, in material is fallen the grinding working chamber that basecoat is made up of fragmentation awl 9 and awl mortar 10, material is subjected to shearing impact in this chamber, extruding is milled, after making 95% material particular diameter reach the 20-80 micron, discharge by discharging opening 11.

The utility model charging and discharging in the course of the work relies on gravity and centrifugal force, the grinding pressure that grinds 5 pairs of materials of ring is freed from making a concerted effort that the active force that rotates the centrifugal force that produces and spring 8 is formed by stacking, shearing, impact and the extruding of broken awl is by chamber shape between fragmentation awl 9 and the awl mortar 10 and caused by relative motion, and the formation of blanking velocity, product granularity can be by grinding the gap length between ring 5 and the taper abrasion-proof backing block 6 and brokenly boring 9 and bore that the factors such as size, pressure in gap between the mortar 10 control.

The taper abrasion-proof backing block 6 of tower mill, grind ring 5, broken awl 9 and awl mortar 10 and adopt bimetal structures, till its groove can keep above parts to use scrapping, the existence of groove can reduce percentage of damage, improves output.

When material that can not be broken such as iron block enter in the grinding machine, grind ring 5 and can overcome spring force, rotate an angle around lock shaft, increase the gap of grinding between ring 5 and the taper abrasion-proof backing block 6, allow can not fragmentation article fall.Fall between broken awl 9 and the awl mortar 10 can not be broken material the time, the special system of awl mortar 10 can make awl mortar 10 move down, and allows to discharge by broken material, material that can not be broken is discharged grinding machines by discharging opening 11, guarantees the safe operation of grinding machine.

Claims

1, a kind of tower mill, comprise electric drive system, grinding working chamber, charging gear and drawing mechanism, it is characterized in that: the described tower mill the superiors are provided with cage rotor, be provided with two-layer or two-layer above grinding working chamber in it, constitute tower structure by two-layer or two-layer above grinding working chamber, its basecoat grinding working chamber is made up of fragmentation awl and awl mortar.

2, tower mill according to claim 1, it is characterized in that: described grinding working chamber comprises stone roller loop device and taper abrasion-proof backing block, grind loop device and be connected with main shaft by rotor, lock shaft, it is gapped to be separated by by stopping means between stone roller loop device and the taper abrasion-proof backing block.

3, tower mill according to claim 1 and 2 is characterized in that: described taper abrasion-proof backing block bottom is provided with airduct, constitutes separation chamber by airduct.

4, tower mill according to claim 1 is characterized in that: described transmission system comprises slowspeed machine, driving belt and deceleration belt pulley, and slowspeed machine is connected with main shaft by belt.

5, tower mill according to claim 1 is characterized in that: the shell of the grinding working chamber of described tower mill is a cylindrical shell, and this cylindrical shell is provided with two fan doors.