Aluminum oxide processing roller mill

Abstract

The utility model is suitable for the technical field of aluminum oxide processing, and provides an aluminum oxide processing roller mill which comprises a box body, the feeding hopper is mounted on the box body; the plurality of material guide plates are arranged on the inner wall of the box body; the two transverse shafts are arranged on the inner wall of the box body and are provided with grinding rollers; the two driven gears are fixedly arranged on the two transverse shafts in a sleeving manner respectively and are meshed with each other; the driving motor is fixedly mounted on the box body; the driving gear is fixedly arranged on an output shaft of the driving motor in a sleeving manner and is meshed with the driven gear; the supporting columns are fixedly mounted at the bottom of the box body; and the same spraying box is fixedly arranged at the bottom ends of the plurality of supporting columns. The aluminum oxide processing roller mill provided by the scheme not only can grind raw materials, but also has the functions of collecting dust generated in the grinding process and spraying and reducing dust, and can reduce air pollution caused by dust diffusion.

Description

Technical Field

[0001] The utility model belongs to the technical field of alumina processing, and particularly relates to a roller mill for alumina processing. Background Art

[0002] A roller mill is a drying and grinding equipment with a wide range of uses, and can be widely used for grinding cement raw materials or cement clinker and other industrial raw materials such as construction, chemical industry, and ceramics. When producing high-temperature α-alumina, it is necessary to grind, screen, and remove impurities from alumina powder (mainly γ-alumina), and then add a mineralizer for calcination to obtain α-alumina.

[0003] However, the existing roller mills for alumina processing often do not have the functions of collecting dust generated during the grinding process and spraying to reduce dust, so the dust diffusion pollutes the air. Summary of the Utility Model

[0004] The utility model provides a roller mill for alumina processing, aiming to solve the problem that the existing roller mills for alumina processing do not have the functions of collecting dust generated during the grinding process and spraying to reduce dust as proposed in the above background art.

[0005] To solve the above problems, the utility model is realized as follows. A roller mill for alumina processing includes: a box body; a feeding hopper installed on the box body; a plurality of guide plates installed on the inner wall of the box body; two horizontal shafts installed on the inner wall of the box body and provided with grinding rollers; two driven gears respectively fixedly sleeved on the two horizontal shafts and meshing with each other; a driving motor fixedly installed on the box body; a driving gear fixedly sleeved on the output shaft of the driving motor and meshing with the driven gear; a plurality of support columns fixedly installed at the bottom of the box body; a same spraying box fixedly installed at the bottom ends of the plurality of support columns; a dust collection mechanism installed on the box body for collecting dust generated during the grinding process; a spraying and dust reduction mechanism installed on the inner wall of the spraying box for spraying and dust reduction.

[0006] Preferably, an inclined plate is fixedly installed on the bottom inner wall of the box body, and a guide trough is installed on one side of the box body.

[0007] Preferably, the dust collection mechanism includes: a dust collection box fixedly installed on one side of the box body; a first dust collection pipe and a second dust collection pipe installed on the dust collection box and communicating with the box body; a rectangular opening opened on one side of the dust collection box; a positioning plate arranged on the rectangular opening; a dust collection cloth bag fixedly installed on one side of the positioning plate.

[0008] Preferably, a plurality of wing nuts are arranged on the positioning plate, and the plurality of wing nuts are all threadedly connected with the dust collection box. A wind guide pipe is arranged at the bottom of the dust collection box, and the wind guide pipe communicates with the spraying box.

[0009] Preferably, the spray dust suppression mechanism includes: a pipe row fixedly installed on the inner wall of the top of the spray box and provided with a plurality of spray heads; a water pump installed on the inner wall of the bottom of the spray box; and a water supply pipe arranged at the water outlet end of the water pump and communicated with the pipe row.

[0010] Preferably, a suction fan is fixedly installed on one side of the spray box. A suction pipe is arranged at the air inlet end of the suction fan. One end of the suction pipe extends into the interior of the spray box, and a demister is arranged at one end of the suction pipe.

[0011] Preferably, a drain pipe is installed on the spray box, and a drain valve is arranged on the drain pipe.

[0012] Compared with the related art, the alumina processing roller mill provided by the present utility model has the following beneficial effects:

[0013] Compared with the prior art, for the alumina processing roller mill provided by the present solution, raw materials can be put into the box through the feeding hopper. The driving motor drives the driving gear to rotate, the driving gear drives one of the driven gears to rotate, one of the driven gears drives the other driven gear to rotate in the opposite direction, and the two driven gears drive the two cross shafts and the two grinding rollers to rotate in the opposite direction, so as to grind the raw materials. The material guiding plate optimizes the material flow path and improves the processing efficiency. The dust collection mechanism effectively reduces the dust pollution generated during the grinding process, and the spray dust suppression mechanism further inhibits the dust diffusion and improves the working environment. The overall structure of the device is compact, the operation is simple, and the environmental protection and production efficiency of alumina production are significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view structural schematic diagram of an alumina processing roller mill provided by the present utility model;

[0015] Figure 2 is Figure 1 the front view appearance structural schematic diagram of;

[0016] Figure 3 is Figure 1 the enlarged structural schematic diagram of part A shown in;

[0017] Reference numerals: 1, box body; 2, feeding hopper; 3, material guiding plate; 4, horizontal shaft; 5, grinding roller; 6, driven gear; 7, driving motor; 8, driving gear; 9, inclined plate; 10, material guiding groove; 11, support column; 12, spraying box; 13, dust collection box; 14, first dust collection pipe; 15, second dust collection pipe; 16, rectangular opening; 17, positioning plate; 18, dust collection cloth bag; 19, wing nut; 20, air duct; 21, pipe row; 22, spraying head; 23, water pump; 24, water supply pipe; 25, exhaust fan; 26, exhaust duct; 27, demister; 28, drain pipe; 29, drain valve. Detailed implementation manners

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order; the terms "inner", "outer", "left", "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0019] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0020] An embodiment of the present utility model provides a roll mill for alumina processing, as Figures 1-3As shown in the figure, the alumina processing roller mill includes: a box body 1; a feeding hopper 2 installed on the box body 1; a plurality of guide plates 3 installed on the inner wall of the box body 1; two horizontal shafts 4 installed on the inner wall of the box body 1 and provided with grinding rollers 5; two driven gears 6 respectively fixedly sleeved on the two horizontal shafts 4 and meshing with each other; a driving motor 7 fixedly installed on the box body 1; a driving gear 8 fixedly sleeved on the output shaft of the driving motor 7 and meshing with the driven gear 6; a plurality of support columns 11 fixedly installed at the bottom of the box body 1; a same spray box 12 fixedly installed at the bottom ends of the plurality of support columns 11; a dust collection mechanism installed on the box body 1 for collecting dust generated during the grinding process; a spray dust reduction mechanism installed on the inner wall of the spray box 12 for performing spray dust reduction.

[0021] In this embodiment, raw materials can be put into the box body 1 through the feeding hopper 2. The driving motor 7 drives the driving gear 8 to rotate, the driving gear 8 drives one of the driven gears 6 to rotate, one of the driven gears 6 drives the other driven gear 6 to rotate in the opposite direction, and the two driven gears 6 drive the two horizontal shafts 4 and the two grinding rollers 5 to rotate in the opposite direction, so as to grind the raw materials. The guide plates 3 optimize the material flow path and improve the processing efficiency. The dust collection mechanism effectively reduces the dust pollution generated during the grinding process, and the spray dust reduction mechanism further inhibits the dust diffusion and improves the working environment. The overall structure of the device is compact, the operation is simple, and the environmental protection and production efficiency of alumina production are significantly improved. The model of the driving motor 7 is YE3.

[0022] In a further preferred embodiment of the present utility model, an inclined plate 9 is fixedly installed on the bottom inner wall of the box body 1, and a guide chute 10 is installed on one side of the box body 1.

[0023] In this embodiment, the ground materials can be discharged through the inclined plate 9 and the guide chute 10.

[0024] In a further preferred embodiment of the present utility model, the dust collection mechanism includes: a dust collection box 13 fixedly installed on one side of the box body 1; a first dust collection pipe 14 and a second dust collection pipe 15 installed on the dust collection box 13 and communicating with the box body 1; a rectangular opening 16 opened on one side of the dust collection box 13; a positioning plate 17 arranged on the rectangular opening 16; a dust collection cloth bag 18 fixedly installed on one side of the positioning plate 17.

[0025] In this embodiment, the air containing dust in the box body 1 can enter the dust collection box 13 through the first dust collection pipe 14 and the second dust collection pipe 15, and the dust can be filtered and collected through the dust collection cloth bag 18.

[0026] In a further preferred embodiment of the present utility model, a plurality of wing nuts 19 are provided on the positioning plate 17, and the plurality of wing nuts 19 are all threadedly connected to the dust collection box 13. A duct 20 is provided at the bottom of the dust collection box 13, and the duct 20 is communicated with the spray box 12.

[0027] In this embodiment, the positioning plate 17 can be installed and positioned on the dust collection box 13 through a plurality of wing nuts 19, and the filtered air can be introduced into the spray box 12 through the duct 20.

[0028] In a further preferred embodiment of the present utility model, the spray dust reduction mechanism includes: a pipe row 21 fixedly installed on the inner wall of the top of the spray box 12 and provided with a plurality of spray heads 22; a water pump 23 installed on the inner wall of the bottom of the spray box 12; and a water supply pipe 24 provided at the water outlet end of the water pump 23 and communicated with the pipe row 21.

[0029] In this embodiment, the water pump 23 can pump out the water in the spray box 12 and inject it into the pipe row 21 through the water supply pipe 24. The air entering the spray box 12 can be spray-dusted through the plurality of spray heads 22 on the pipe row 21. The model of the water pump 23 is VP(E)-020(G)(S)-70.

[0030] In a further preferred embodiment of the present utility model, an exhaust fan 25 is fixedly installed on one side of the spray box 12. An exhaust duct 26 is provided at the air inlet end of the exhaust fan 25. One end of the exhaust duct 26 extends into the interior of the spray box 12, and a demister 27 is provided at one end of the exhaust duct 26.

[0031] In this embodiment, when the exhaust fan 25 operates, the air containing dust in the box body 1 can enter the dust collection box 13 and the spray box 12 in sequence. The demister 27 can prevent water mist from entering the exhaust duct 26. The model of the exhaust fan 25 is FV-RV17U1.

[0032] In a further preferred embodiment of the present utility model, a drain pipe 28 is installed on the spray box 12, and a drain valve 29 is provided on the drain pipe 28.

[0033] In this embodiment, the waste water in the spray box 12 can be discharged through the drain pipe 28 and the drain valve 29.

[0034] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways.

[0035] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the utility model. Obviously, the described embodiments are only partial embodiments of the present utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict and without creative efforts, combine, add, delete or make other adjustments to the features in the embodiments of the present utility model according to the circumstances, so as to obtain different technical solutions that essentially do not deviate from the concept of the present utility model, and these technical solutions also belong to the scope of protection of the present utility model.

Claims

1. An alumina processing roller mill, characterized in that, Comprising: A box body; A feeding hopper installed on the box body; A plurality of guide plates installed on the inner wall of the box body; Two horizontal shafts installed on the inner wall of the box body and provided with grinding rollers; Two driven gears respectively fixedly sleeved on the two horizontal shafts and meshing with each other; A driving motor fixedly installed on the box body; A driving gear fixedly sleeved on the output shaft of the driving motor and meshing with the driven gear; A plurality of support columns fixedly installed at the bottom of the box body; A same spray box fixedly installed at the bottom ends of the plurality of support columns; A dust collection mechanism installed on the box body for collecting dust generated during the grinding process; A spray dust reduction mechanism installed on the inner wall of the spray box for performing spray dust reduction.

2. The alumina processing roller mill according to claim 1, wherein, An inclined plate is fixedly installed on the bottom inner wall of the box body, and a material guide groove is installed on one side of the box body.

3. The alumina processing roller mill according to claim 1, characterized in that, The dust collection mechanism includes: A dust collection box fixedly installed on one side of the box body; A first dust collection pipe and a second dust collection pipe installed on the dust collection box and communicating with the box body; A rectangular opening formed on one side of the dust collection box; A positioning plate arranged on the rectangular opening; A dust collection cloth bag fixedly installed on one side of the positioning plate.

4. The alumina processing roller mill according to claim 3, characterized in that, A plurality of wing nuts are arranged on the positioning plate, and the plurality of wing nuts are all threadedly connected with the dust collection box. A wind guide pipe is arranged at the bottom of the dust collection box, and the wind guide pipe communicates with the spray box.

5. The alumina processing roller mill according to claim 1, characterized in that, The spray dust reduction mechanism includes: A pipe row fixedly installed on the top inner wall of the spray box and provided with a plurality of spray heads; A water pump installed on the bottom inner wall of the spray box; An upper water pipe arranged at the water outlet end of the water pump and communicating with the pipe row.

6. The alumina processing roller mill according to claim 1, characterized in that, An exhaust fan is fixedly installed on one side of the spray box. An air extraction pipe is arranged at the air inlet end of the exhaust fan. One end of the air extraction pipe extends into the interior of the spray box, and a demister is arranged at one end of the air extraction pipe.

7. The alumina processing roller mill according to claim 1, wherein, A drain pipe is installed on the spray box, and a drain valve is arranged on the drain pipe.

Images