CN219631435U - High-pressure roller mill for processing alumina - Google Patents

Abstract

The utility model discloses a high-pressure roller mill for aluminum oxide processing, which comprises a box body, wherein two roller grinding wheels are rotatably connected inside the box body, a feed inlet is formed in the inner top of the box body in a penetrating manner, a fixed stop block is fixed on the inner wall of the box body, two symmetrically-arranged blanking grooves are formed in the upper end of the fixed stop block in a penetrating manner, a discharging pipe is arranged in the end portion of the box body in a penetrating manner, two symmetrically-arranged vertical stop blocks are fixed at the upper end of the fixed stop block, a screen mesh is jointly fixed on the side walls of the two vertical stop blocks and the inner wall of the box body, and a feed back device is arranged inside each vertical stop block. In this device, utilize slope screen cloth bottom and guide block top to correspond the business turn over groove, can realize grinding the raw materials that is greater than the screen cloth aperture again under the drive of flood dragon pivot, can make the treatment effect of raw materials better, can be convenient for follow-up processing use, need not to artificially add the grinding to the raw materials, reducible labour consumption, its high-efficient production of being convenient for uses.

Description

High-pressure roller mill for processing alumina

Technical Field

The utility model relates to the technical field of roller mills, in particular to a high-pressure roller mill for processing aluminum oxide.

Background

The high-pressure roller mill is widely applied to crushing in the cement industry, granulating in the chemical industry and fine grinding of increasing specific surface area of pellets, while alumina can be used as an analysis reagent, dehydration of an organic solvent, an adsorbent and the like, and the high-pressure roller mill is required to crush bauxite in the early stage of preparation; when the traditional roller mill is used for grinding the raw materials for preparing the alumina, the grinding uniformity of the raw materials cannot be ensured once, so that the preparation efficiency of the raw materials can be influenced, the raw materials are required to be fed and ground for multiple times, the time and the labor are wasted, the use is inconvenient, and therefore, a high-pressure roller mill for processing the alumina, which can be automatically ground for multiple times, needs to be designed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a high-pressure roller mill for processing aluminum oxide.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an alumina processing high pressure roller mill, includes the box, the inside rotation of box is connected with two roller grinding wheels, the feed inlet has been seted up in the interior top of box run through, the inner wall of box is fixed with fixed dog, the upper end of fixed dog runs through the unloading groove of having seted up two symmetry settings, the tip of box runs through and alternates and be equipped with the discharging pipe, the upper end of fixed dog is fixed with the vertical dog that two symmetry set up, two the lateral wall of vertical dog and the inner wall of box are fixed with the screen cloth jointly, every the inside of vertical dog all is provided with feed back device, the inside of fixed dog is provided with supplementary sieving mechanism.

Preferably, the feed back device comprises a round cavity arranged inside the vertical stop block, wherein the round cavity is rotatably connected with a dragon rotating shaft, and the dragon rotating shaft abuts against the inner wall of the round cavity.

Preferably, two groups of inlet and outlet grooves are formed in the inner wall of the circular cavity in a penetrating mode, and one group of inlet and outlet grooves corresponds to the screen.

Preferably, the side wall of the vertical stop block is fixed with a guide block, the guide block corresponds to the roller grinding wheel, the upper end of the guide block is inclined, and the other group of the inlet and outlet grooves corresponds to the upper end of the guide block.

Preferably, the auxiliary screening device comprises a cavity formed in the fixed stop block, a mounting plate is fixed in the cavity, a motor is fixed at the bottom of the mounting plate, a horizontal plate is fixed on the inner wall of the cavity, and a reciprocating screw rod is connected with the end part of the horizontal plate and the end part of the mounting plate in a common rotation mode.

Preferably, the circumference lateral wall screw thread rotation of reciprocating screw rod is connected with the movable plate, the upper end of movable plate is fixed with a plurality of vertical poles, and is a plurality of the upper end of vertical pole is all run through to the top of fixed dog and is fixed with the kicking block jointly, every the bottom of flood dragon pivot is all run through to the cavity inside, and is a plurality of flood dragon pivot is all connected with reciprocating screw rod through sprocket chain structure.

Compared with the prior art, the utility model has the advantages that:

1. in this device, through setting up supplementary sieving mechanism, the usable reciprocating screw drives the kicking block and realizes reciprocating, can realize the intermittent type nature striking to the screen cloth, and then can be convenient for the quick screening of raw materials on the screen cloth, can prevent effectively that the screen cloth from blockking up, can effectively increase the crushing efficiency of raw materials.

2. In this device, utilize slope screen cloth bottom and guide block top to correspond the business turn over groove, can realize grinding the raw materials that is greater than the screen cloth aperture again under the drive of flood dragon pivot, can make the treatment effect of raw materials better, can be convenient for follow-up processing use, need not to add the grinding to the raw materials moreover by people, reducible labour consumption, its high-efficient production of being convenient for is used.

Drawings

FIG. 1 is a schematic diagram of a high-pressure roller mill for alumina processing according to the present utility model;

FIG. 2 is a top view of a fixed stop portion of an alumina processing high pressure roller mill according to the present utility model;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: the grinding wheel comprises a box body 1, a roller grinding wheel 2, a feeding port 3, a fixed stop block 4, a blanking groove 5, a discharging pipe 6, a screen 7, a vertical stop block 8, a round cavity 9, a dragon rotating shaft 10, a feeding and discharging groove 11, a guide block 12, a cavity 13, a mounting plate 14, a motor 15, a horizontal plate 16, a reciprocating screw rod 17, a moving plate 18, a vertical rod 19, a top block 20 and a chain wheel and chain structure 21.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an alumina processing high pressure roller mill, including box 1, the inside rotation of box 1 is connected with two roller grinding wheels 2, feed inlet 3 has been seted up in running through at the interior top of box 1, the inner wall of box 1 is fixed with fixed dog 4, the upper end of fixed dog 4 runs through the silo 5 of down of having seted up two symmetry settings, the tip of box 1 runs through and has been inserted discharging pipe 6, the upper end of fixed dog 4 is fixed with two vertical dogs 8 of symmetry setting, the lateral wall of two vertical dogs 8 and the inner wall of box 1 are fixed with screen cloth 7 jointly, the inside of every vertical dog 8 all is provided with feed back device, the inside of fixed dog 4 is provided with supplementary sieving mechanism.

The material returning device comprises a circular cavity 9 arranged in the vertical stop block 8, a dragon rotating shaft 10 is rotatably connected in the circular cavity 9, and the dragon rotating shaft 10 is propped against the inner wall of the circular cavity 9; the inner wall of the circular cavity 9 is provided with two groups of inlet and outlet grooves 11 in a penetrating way, wherein one group of inlet and outlet grooves 11 corresponds to the screen 7; the lateral wall of vertical dog 8 is fixed with guide block 12, and guide block 12 corresponds with roller mill wheel 2, and guide block 12 upper end is the form of sloping, and another set of business turn over groove 11 corresponds with guide block 12 upper end, through setting up feed back device, can realize the crushing many times of great raw materials voluntarily, can make the crushing effect of raw materials better, the quick reaction of follow-up raw materials of being convenient for uses.

The auxiliary screening device comprises a cavity 13 arranged in the fixed stop block 4, a mounting plate 14 is fixed in the cavity 13, a motor 15 is fixed at the bottom of the mounting plate 14, a horizontal plate 16 is fixed on the inner wall of the cavity 13, and a reciprocating screw rod 17 is connected with the end parts of the horizontal plate 16 and the mounting plate 14 in a common rotation mode; the circumference lateral wall screw thread of reciprocating screw rod 17 rotates and is connected with movable plate 18, the upper end of movable plate 18 is fixed with a plurality of vertical poles 19, the upper end of a plurality of vertical poles 19 all runs through to the top of fixed dog 4 and is fixed with kicking block 20 jointly, the bottom of every flood dragon pivot 10 all runs through to cavity 13 inside, a plurality of flood dragon pivots 10 all are connected with reciprocating screw rod 17 through sprocket chain structure 21, through setting up kicking block 20 that can reciprocate from top to bottom, intermittent type striking to screen cloth 7 can be realized, and then the quick screening of raw materials on the screen cloth 7 of being convenient for can effectively prevent screen cloth 7 jam, the grinding efficiency of raw materials can effectively be increased.

In the utility model, in the process of crushing the alumina raw material, the raw material is firstly required to be added into the box body 1 along the feed inlet 3, so that the raw material falls into the crushing area of the roller grinding wheels 2, at the moment, the raw material can be crushed by utilizing the rotation of the two roller grinding wheels 2, the crushed raw material can fall onto the screen 7 along the gap between the roller grinding wheels 2, the larger raw material can be stopped on the screen 7 by utilizing the screening of the screen holes on the screen 7, and the raw material meeting the particle requirement is gradually discharged along the discharge chute 5 and the discharge pipe 6;

in the process of crushing the raw materials, the motor 15 is controlled, the reciprocating screw rod 17 can be rotated under the drive of the main shaft of the motor 15, so that the moving plate 18 can gradually reciprocate up and down along the mounting plate 14 and the horizontal plate 16, and then the top block 20 can move up and down under the drive of the plurality of vertical rods 19, and then the top block 20 can be utilized to realize reciprocating top movement of the screen 7, so that the raw materials on the screen 7 can conveniently roll downwards along the inclined end, the screening treatment of the raw materials can be conveniently carried out, the blockage can be effectively avoided, and the use is convenient;

the sprocket chain structure 21 is utilized to drive the rotation of the dragon rotating shaft 10 in the rotating process of the reciprocating screw rod 17, so that the continuous rotation of the dragon rotating shaft 10 propped against the inner wall of the circular cavity 9 can be realized, the large-volume raw materials can conveniently enter the circular cavity 9 through the inlet and outlet grooves 11 corresponding to the screen 7, the raw materials can be gradually moved upwards under the driving of the dragon rotating shaft 10 until reaching the position of the upper inlet and outlet groove 11, the raw materials automatically roll out and are guided downwards by the guide blocks 12 and enter the grinding area of the roller grinding wheel 2 again, the raw materials with large particles can be processed for multiple times, the grinding effect of the raw materials is better, the subsequent reaction is convenient for preparing aluminum oxide to use, manual control is not needed, the labor consumption can be reduced, and the working efficiency is effectively increased.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides an alumina processing high pressure roller mill, includes box (1), its characterized in that, the inside rotation of box (1) is connected with two roller mill wheels (2), feed inlet (3) have been seted up in running through at the interior top of box (1), the inner wall of box (1) is fixed with fixed dog (4), the upper end of fixed dog (4) runs through and has seted up unloading groove (5) that two symmetries set up, the tip of box (1) is run through and is equipped with discharging pipe (6), the upper end of fixed dog (4) is fixed with vertical dog (8) that two symmetries set up, and two the lateral wall of vertical dog (8) and the inner wall of box (1) are fixed with screen cloth (7) jointly, every the inside of vertical dog (8) all is provided with feed back device, the inside of fixed dog (4) is provided with supplementary sieving mechanism.

2. The high-pressure roller mill for alumina processing according to claim 1, wherein the material returning device comprises a circular cavity (9) arranged inside the vertical stop block (8), a screw conveyer rotating shaft (10) is rotatably connected inside the circular cavity (9), and the screw conveyer rotating shaft (10) is abutted against the inner wall of the circular cavity (9).

3. The high-pressure roller mill for alumina processing according to claim 2, characterized in that two groups of inlet and outlet grooves (11) are formed through the inner wall of the circular cavity (9), wherein one group of inlet and outlet grooves (11) corresponds to the screen (7).

4. A high-pressure roller mill for alumina processing according to claim 3, wherein a guide block (12) is fixed on the side wall of the vertical stop block (8), the guide block (12) corresponds to the roller mill wheel (2), the upper end of the guide block (12) is inclined, and the other group of the inlet and outlet grooves (11) corresponds to the upper end of the guide block (12).

5. The alumina processing high-pressure roller mill according to claim 2, wherein the auxiliary screening device comprises a cavity (13) arranged inside the fixed stop block (4), a mounting plate (14) is fixed inside the cavity (13), a motor (15) is fixed at the bottom of the mounting plate (14), a horizontal plate (16) is fixed on the inner wall of the cavity (13), and a reciprocating screw (17) is connected with the end part of the mounting plate (14) in a co-rotation mode.

6. The alumina processing high-pressure roller mill according to claim 5, wherein a movable plate (18) is rotatably connected to the circumferential side wall of the reciprocating screw rod (17), a plurality of vertical rods (19) are fixed to the upper end of the movable plate (18), the upper ends of the vertical rods (19) penetrate through the upper portion of the fixed stop block (4) and are jointly fixed with a top block (20), the bottom of each screw conveyer rotating shaft (10) penetrates through the inside of the cavity (13), and a plurality of screw conveyer rotating shafts (10) are connected with the reciprocating screw rod (17) through a sprocket chain structure (21).