CN2206150Y

CN2206150Y - Vortex type pulverizer

Info

Publication number: CN2206150Y
Application number: CN 94235779
Authority: CN
Inventors: 陈绍龙; 张玉正
Original assignee: Linqu Cement Equipment Corollary Factory
Current assignee: Linqu Cement Equipment Corollary Factory
Priority date: 1994-11-18
Filing date: 1994-11-18
Publication date: 1995-08-30
Anticipated expiration: 2004-11-18

Abstract

The utility model relates to a vortex type pulverizer, relating to the technical field of pulverizing and belonging to equipment for pulverizing solid materials. The vortex type pulverizer comprises a supporting device, a driving device, a main shaft device and a material spreading device. The utility model is characterized in that lower part of the interior of a hollow rotor is fixed with a material spreading disk, and the periphery of the interior is fixed with three guide blades. The edges in the lower part of the exterior are distributed evenly with four blocks of material switching plates, and the base plate is fixed with an adjustable wind shield. The airflow produced by the rotation of the material spreading disk of the rotor can form a circulation vortex in the machine casing, to generate a self-pulverizing process, which can make the particle size become thin, save energy and decrease the dust pollution out of the machine.

Description

Vortex type pulverizer

Whirling motion formula pulverizer relates to the crushing technology field, belongs to a kind of equipment of broken solid material.

The crushing mechanism of the present solid material that uses, especially the crushing mechanism on the cement industry, except that traditional jaw crusher, hammer mill, at Cement(cement in 1991) vertical impact crusher of a kind of external production of publication on the magazine, its principle is by means of the mutual impact of material and fragmentation, the clinker disintegrating machine that occurred a kind of patent No. 91223422.9 in 1991, this disintegrating machine is provided with a feed back pipe from discharging opening and gets back to charging aperture, so that air-flow forms the loop, reduce dust pollution and recovered material.Above-mentioned disintegrating machine does not all make full use of the kinetic energy formation eddy current that the rotor rotation produces, and to reach material from the purpose of pulverizing, pulverizes output and granularity is diminished for improving, and can only improve rotor speed, so equipment dynamic consumption is big.

The purpose of this utility model is a kind of whirling motion formula pulverizer of design, and the air-flow that utilizes the rotation of rotor spreading disk to produce forms circulation in casing, forms whirling motion from crushing process, promptly helps granularity and attenuates, and improves the outer dust pollution of capacity usage ratio and minimizing machine again.

This whirling motion formula pulverizer, its casing is to crowd around the cavity that forms by steel plate, be called crusher chamber, the casing upper end is fixed with charging aperture, the chassis is being fixed in the lower end of casing, and hopper is being fixed in the lower end, chassis, and discharging opening is being fixed in the hopper lower end, the lower end, chassis is being fixed frame simultaneously, fixing motor on the frame, motor is connected on the main shaft device by belt drive unit, in the crusher chamber of the upper end of main shaft device, fixing hollow rotor, in the crusher chamber on casing inner surface, fixing counterpunch board, over against the opening part on rotor top, fixing the return air cover, fixing adjustable deep bead on the chassis simultaneously, deep bead is that the plate that keeps out the wind by the annular of four energy activities slaps together, and is fixed with fixture on the every plate that keeps out the wind, fixture is being fixed leading screw, and leading screw is fitted on the nut that is fixed in the chassis by screw thread simultaneously.The rotor of hollow is crowded around by steel plate and is formed, the cover plate of opening is arranged in the middle of the upper end is being fixed, and the lower end of internal rotor is fixed with spreading disk, and the center fixation of spreading disk has material distributing cone, three guide vanes are being fixed in the inboard of rotor periphery, and material outlet is arranged between the guide vane.The lower edge of rotor exterior uniform three switch-plates, switch-plate is fixed on the rotor exterior lower edge position versatilely by bolt.

Accompanying drawing shows the embodiment of this whirling motion formula pulverizer, wherein:

Fig. 1 shows the structural representation of embodiment;

Fig. 2 shows the left view of the structural representation of embodiment;

Fig. 3 shows the cutaway view of the structural representation of embodiment;

Fig. 4 shows the full sectional view of the return air cover of embodiment;

Fig. 5 shows the cutaway view and the vertical view of front view of the switch-plate of embodiment;

Fig. 6 shows the front view of counterpunch board of embodiment and the full sectional view of vertical view;

Fig. 7 shows the assembling schematic diagram of four adjustable deep beads of embodiment;

Fig. 8 shows the full sectional view of assembling schematic diagram front view of the adjustable deep bead of embodiment;

Fig. 9 shows the cutaway view of front view of the rotor of embodiment;

Figure 10 shows the cutaway view of vertical view of the rotor of embodiment;

Figure 11 shows the vertical view of spreading disk of embodiment and the cutaway view of front view.

In an embodiment, this whirling motion formula pulverizer, its casing (14) is to crowd around the cavity that forms by steel plate, be called crusher chamber (5), casing (14) upper end is fixed with charging aperture (1), chassis (13) is being fixed in the lower end of casing (14), hopper (20) is being fixed in lower end, chassis (13), discharging opening (11) is being fixed in hopper (20) lower end, the lower end, chassis is being fixed frame (10) simultaneously, fixing motor (8) on the frame (10), motor (8) is connected on the main shaft device (9) by belt drive unit (12), in the crusher chamber (5) of the upper end of main shaft device (9), fixing hollow rotor (21), in the crusher chamber (5) on casing (14) inner surface, fixing counterpunch board (3), opening part over against rotor (21) top, fixing return air cover (2), on chassis (13), fixing adjustable deep bead (7) simultaneously, deep bead (7) is that the plate that keeps out the wind (15) by the annular of four energy activities slaps together, fixing fixture (16) on the every plate that keeps out the wind (15), fixture (16) is being fixed leading screw (18), leading screw (18) is fitted on the nut (17) that is fixed in chassis (13) by screw thread simultaneously, the rotor of hollow (21) is crowded around by steel plate and is formed, the cover plate (23) that opening is arranged in the middle of the upper end is being fixed, spreading disk (4) is being fixed in the inner lower end of rotor (21), the center fixation of spreading disk (4) has material distributing cone (19), the inboard of rotor (21) periphery, fixing three guide vanes (22), material outlet (24) is arranged between the guide vane (22), the outside lower edge of rotor (21) uniform three switch-plates (6), switch-plate (6) is fixed on the outside lower edge of rotor (21) position versatilely by bolt.

When using this whirling motion formula pulverizer, motor (8) makes the high-speed rotation of spreading disk (4) by belt drive unit (12) drive shaft device (9), material falls on the spreading disk (4) of rotation at a high speed from charging aperture (1), be distributed equably by material distributing cone (19) and guide vane (22), and spread in crushing chamber (5) at a high speed, owing in the rotor (21) guide vane (22) is arranged, in the high speed spreading, produce circulating current continuously again, under the effect of circulating current, material produces the motion of vortex turnup in crusher chamber (5), impel the mutual impact between the material, bounce-back, the mill stripping, actings in conjunction such as milling, make bulky grain be pulverized to fine particle and be piled into particle layers, along with material does not stop, fines is cumulative, in the broach hopper (20) that is slipped to the bottom, and draw off from discharging opening (11).Outside uniform four switch-plates (6) of lower edge of rotor (21) are used for stirring the material in the crusher chamber (5), regulate the centre-to-centre spacing that leading screw (10) can be regulated deep bead (7), regulate the speed that fines falls, thereby regulate the granularity of material and prevent that dust from raising outward.Return air cover (2) prevents effectively that powder from raising up and causes dust pollution.

The pulverizing function of this whirling motion formula pulverizer mainly leans on the whirling motion of material in crusher chamber from crushing process, and whirling motion is mainly derived from the air-flow that the rotation of rotor spreading disk produces from the power of powder, this air-flow forms circulation in casing, helping the milling product granularity attenuates, owing to make full use of circulating current in the machine, improved capacity usage ratio, and the outer dust pollution of minimizing machine.

Claims

1, whirling motion formula pulverizer, casing (14) is to crowd around the cavity that forms by steel plate, be called crusher chamber (5), casing (14) upper end is fixed with charging aperture (1), chassis (13) is being fixed in casing (14) lower end, hopper (20) is being fixed in lower end, chassis (13), discharging opening (11) is being fixed in hopper (20) lower end, the lower end, chassis is being fixed frame (10) simultaneously, fixing motor (8) on the frame (10), motor (8) is connected on the main shaft device (9) by belt drive unit (12), it is characterized in that, in the crusher chamber (5) of the upper end of main shaft device (9), fixing hollow rotor (21), in the crusher chamber (5) on casing (14) inner surface, fixing counterpunch board (3), opening part over against rotor (21) top, fixing return air cover (2), on chassis (13), fixing adjustable deep bead (7) simultaneously, the rotor of hollow (21) is crowded around by steel plate and is formed, the cover plate (23) that opening is arranged in the middle of the upper end is being fixed, spreading disk (4) is being fixed in the inner lower end of rotor (21), the center fixation of spreading disk (4) has material distributing cone (19), the inboard of rotor (21) periphery, fixing three guide vanes (22), material outlet (24) arranged between the guide vane (22), the outside lower edge of rotor (21) uniform three switch-plates (6);

2, according to the described whirling motion formula of claim 1 pulverizer, it is characterized in that deep bead (7) is slapped together by the plate that keeps out the wind (15) of the annular of four energy activities, fixing fixture (16) on the every plate that keeps out the wind (15), fixture (16) is being fixed leading screw (18), and leading screw (18) is fitted on the nut (17) that is fixed in chassis (13) by screw thread simultaneously;

3,, it is characterized in that switch-plate (6) is fixed on the outside lower edge of rotor (21) position versatilely by bolt according to the described whirling motion formula of claim 1 pulverizer.