CN215234926U

CN215234926U - Vertical mill discharging device

Info

Publication number: CN215234926U
Application number: CN202120355433.4U
Authority: CN
Inventors: 牛树兴; 王振勇; 王颜宾
Original assignee: Hebei Quzhai Kuangfeng Cement Co ltd
Current assignee: Hebei Quzhai Kuangfeng Cement Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-12-21
Anticipated expiration: 2031-02-09

Abstract

The utility model relates to a grind unloader immediately, including being located the inside toper unloading pipe of mill immediately, installing at the lower feed cylinder of toper unloading pipe below, fixed connection in toper unloading pipe side below and connecting the billet of lower feed cylinder and the mill lateral wall immediately. Three uniformly distributed discharge holes are formed in the lower side of the conical discharging pipe; the steel plate is matched with a bottom opening of the conical blanking pipe; the inner side of the steel plate is provided with a conical bulge; the number of the blanking barrels is three; the discharging barrel is matched with the discharging hole; the connection mode of the charging barrel and the discharging hole is welding; the feeding barrel comprises an inclined barrel connected with the discharging hole and a straight barrel fixedly connected below the inclined barrel, and the straight barrel and the inclined barrel are connected in a welding mode; the inner wall of the feeding barrel is provided with a layer of wire netting. The utility model discloses simple structure, easy installation has improved the mill of founding the mill and has pressed efficiency.

Description

Vertical mill discharging device

Technical Field

The utility model relates to a cement manufacture equipment, concretely relates to immediately, grind unloader.

Background

The vertical mill is a large-scale grinding device and is widely applied to industries such as cement, electric power, metallurgy, chemical industry, non-metal ore and the like. It collects breakage, drying, grinding, carry in an organic whole in grades, and production efficiency is high, can grind cubic, graininess and powdery raw materials into required powdery material, traditional vertical mill adopts the method of directly carrying out the mill pressure to large granule coal cinder through the grinding roller, the material is flowed by the unloading pipe through the position far away from mill center top and falls on rotatory mill because of self gravity reason, then because the rotatory centrifugal force of mill spreads the raw materials on the mill, transport the position of the edge that mill belonged to, then roll through the grinding roller, the material after smashing overflows from the mill edge because of the rotatory centrifugal force of mill, simultaneously by the ascending air current in mill edge to be taken to in the selection powder machine integrative with vertical mill to accomplish the production flow. Because only the centrifugal force of the grinding disc is relied on, the grinding pressure of the materials is easy to be uneven and different in size, and unqualified materials are easy to be infinitely circulated in the mill to do useless work under the action of the circulating air in the mill.

Disclosure of Invention

In order to solve the problem, the utility model provides an immediately, grind unloader on prior art basis, including being located the inside toper unloading pipe of immediately grinding machine, installing at the lower feed cylinder of toper unloading pipe below, fixed connection and connecting the billet of lower feed cylinder and the vertical mill lateral wall in toper unloading pipe side below.

As a further solution, three discharge holes are uniformly distributed below the conical discharge pipe, and the opening direction of the discharge holes faces the gap between adjacent mills .

As a further solution, the steel sheet cooperatees with the end opening of toper unloading pipe, and the size is equivalent, the inboard of steel sheet, also be equipped with conical arch towards one side of toper unloading pipe, plug up original discharge gate and make the material can flow out through newly opening the discharge opening, and the material has also been avoided piling up to conical arch for the speed of material reposition of redundant personnel has reduced the wearing and tearing of material transportation to the steel sheet.

As a further solution, the number of the discharging barrels is three, the discharging barrels are matched with the discharging holes, and the connecting mode of the discharging barrels and the discharging holes is welding.

As a further solution, the blanking barrel comprises an inclined barrel connected with the discharge hole and a straight barrel fixedly connected below the inclined barrel, the diameter of the inclined barrel and the diameter of the straight barrel are about 600mm, and the blanking barrel is positioned between two adjacent mills and can directly send materials to an area which can be rolled by the mill .

As a further solution, the straight cylinder and the inclined cylinder are connected in a welding mode, and a welding steel sheet is added at the welding position to increase stability.

As a further solution, one end of the steel bar is welded on the side wall of the vertical mill, and the other end of the steel bar is welded on the barrel body of the charging barrel, so that the position of the charging barrel is fixed.

As a further solution, the distance from the bottom end of the straight cylinder to the grinding disc is about 300mm-500mm, and the material is fed onto the grinding disc by using a proper blanking height.

As a further solution, the inner wall of the discharging barrel is provided with a layer of wire netting, so that abrasion of material transportation to the discharging barrel is reduced.

Compared with the prior art, the utility model discloses the beneficial effect who gains as follows:

through the direct feed cylinder that extends to mill department of installation, it depends on gravity directly to drop to the mill middle part through toper unloading pipe to do not like the material in the past, lean on the mill to rotate the centrifugal force that produces slowly to move to grind and can grind the region of pressing, uncontrolled causes easily to grind and presses the inequality, also cause great wearing and tearing to the mill, use this device then directly to carry the material to grind between , just can directly grind the pressure after dropping, save the transport transmission time of material, make to grind the pressure of material more abundant, the efficiency of grinding the pressure has been improved, the wearing and tearing of mill have been reduced, and this device is easy to install, damage also can directly change.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic view of a steel plate according to the present invention;

FIG. 4 is a sectional view of I in FIG. 1.

Wherein: the steel plate feeding device comprises a 1-cone blanking pipe, 2 steel plates, 3 blanking barrels, 4 steel bars, 5 discharging holes, 6 grinding discs, 7 grinding wheels , 31 inclined barrels and 32 straight barrels.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, fig. 2 and fig. 4, the utility model relates to a vertical mill unloader, including the toper unloading pipe 1 that is located the vertical mill inside, install steel sheet 2, the unloading section of thick bamboo 3 of fixed connection below toper unloading pipe 1 side and connect unloading section of thick bamboo 3 and the billet 4 of vertical mill lateral wall in toper unloading pipe 1 below. The steel strip 4 plays a role in fixing the charging barrel 3.

As a further solution, three discharging holes 5 are uniformly distributed below the conical discharging pipe 1, and the opening direction of the discharging holes 5 faces the gap between adjacent mills 7.

As shown in fig. 3, the steel sheet 2 cooperatees with the end opening of toper unloading pipe 1, the inboard of steel sheet 2, that is to say towards one side of toper unloading pipe and be equipped with conical arch, the welding of steel sheet 2 is at the end opening of toper unloading pipe 1, plugs up original discharge gate and makes the material can flow out through newly-opened discharge opening 5, and the material has also been avoided piling up to conical arch for the speed of material reposition of redundant personnel has reduced the wearing and tearing of material transportation to steel sheet 2.

As a further solution, the number of the charging barrels 3 is three, the charging barrels 3 are matched with the discharging holes 5, and the charging barrels 3 are connected with the discharging holes 5 by welding.

As a further solution, the lower charging barrel 3 comprises an inclined barrel 31 connected with the discharging hole 5 and a straight barrel 32 fixedly connected below the inclined barrel 31, and the diameter of the inclined barrel 31 and the diameter of the straight barrel 32 are about 600 mm.

As a further solution, the lower barrel 3 is located between two adjacent mills 7, directly feeding the material to the area where the mills 7 can roll.

As a further solution, the straight cylinder 32 and the inclined cylinder 31 are connected by welding, and a welding steel sheet is added at the welding position to increase the stability of the connection.

As a further solution, one end of the steel strip 4 is welded on the side wall of the vertical mill, and the other end is welded on the barrel body of the lower charging barrel 3, so as to fix the position of the lower charging barrel 3.

As a further solution, the distance from the bottom end of the straight cylinder 32 to the grinding disc 6 is about 300mm-500mm, and the material is fed onto the grinding disc 6 by using a proper blanking height.

As a further solution, the inner wall of the lower charging barrel 3 is provided with a layer of wire netting, so that the abrasion of material transportation to the lower charging barrel 3 is reduced.

The first embodiment is as follows:

when the utility model is used, three discharge holes 5 matched with the blanking barrel 3 are needed to be arranged below the side of the original conical blanking pipe 1, the opening direction of the discharge holes 5 is opposite to the gap of 7 of the adjacent mill, the steel plate 2 is welded at the bottom opening of the original conical blanking pipe 1 to block the gap, the material can only flow out from the discharge holes 5, the material can be conveniently and naturally distributed to the discharge holes 5 due to the conical bulge arranged on the steel plate 2, meanwhile, the wear resistance of the steel plate is enhanced, then the inclined barrel 31 is welded on the discharge holes 5, the straight barrel 32 is vertically welded below the inclined barrel 31, the outlet of the straight barrel 32 is positioned at the position of 300mm-500mm above the millstone 6, the material does not need to lean against the centrifugal force of the rotation of the millstone 6, the material can directly fall into the working area of the mill 7, finally, the blanking barrel 3 is fixed by the steel bar 4, one end of the steel bar 3 is fixed at the side wall of the vertical mill, one end is fixed on feed cylinder 3 down, considers simultaneously that the material is carried great to the wearing and tearing of feed cylinder 3 down, is equipped with the one deck wire netting on the inner wall of feed cylinder 3 under whole, increases feed cylinder 3's life down. The device is convenient to connect and install, the grinding pressure of the materials can be more sufficient by using the device, the transmission and conveying time of the materials on the grinding disc 6 is saved, the work efficiency of the vertical grinding mill is improved, the grinding pressure effect is better, unqualified materials are prevented from being driven by circulating air in the grinding mill to do useless work, and meanwhile, the abrasion of the grinding disc 6 can be reduced.

Example two:

the utility model discloses also can adopt another kind of scheme when concrete implementation, no longer stop up toper unloading pipe 1 with steel sheet 2, but at three-way pipe of toper unloading pipe 1 below installation or four-way pipe, the material also can only flow through the export of three-way pipe or four-way pipe, then feed cylinder 3 under the installation in the exit of three-way pipe or four-way pipe, the adjacent clearance that grinds 7 is aimed at in the export of feed cylinder 3 down, the effect of embodiment one can be realized equally, save the transmission transportation time of material on mill 6, the work efficiency of grinding immediately has been improved, prevent that unqualified material from being driven by the circulated air and doing useless work in grinding.

The above-described embodiments are merely preferred examples of the present invention and are not exhaustive of the possible implementations of the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.

Claims

1. The utility model provides a vertical mill unloader which characterized in that: the steel bar vertical mill comprises a conical blanking pipe (1) positioned inside a vertical mill, a steel plate (2) arranged below the conical blanking pipe (1), a blanking barrel (3) fixedly connected below the side of the conical blanking pipe (1), and a steel bar (4) connected with the blanking barrel (3) and the side wall of the vertical mill.

2. The blanking device of the vertical mill according to claim 1, wherein three evenly distributed discharge holes (5) are formed below the conical blanking pipe (1), and the opening direction of the discharge holes (5) faces the gap between adjacent mills (7).

3. A vertical mill blanking device according to claim 1, wherein the inner side of the steel plate (2) is provided with a conical bulge, and the steel plate (2) is welded at the bottom opening of the conical blanking pipe (1).

4. A vertical mill blanking device according to claim 2, the number of the lower charging barrels (3) is three, the lower charging barrels (3) are matched with the discharging holes (5), and the lower charging barrels (3) are connected with the discharging holes (5) in a welding mode.

5. A vertical mill blanking device according to claim 4, wherein the blanking barrel (3) comprises an inclined barrel (31) connected with the discharging hole (5) and a straight barrel (32) fixedly connected below the inclined barrel (31).

6. A vertical mill blanking device according to claim 5, wherein the straight cylinder (32) and the inclined cylinder (31) are connected by welding.

7. A vertical mill blanking device according to claim 6, wherein the inner wall of the blanking barrel (3) is provided with a layer of wire mesh.