CN219400364U

CN219400364U - Energy-saving powder selecting equipment for cement grinding

Info

Publication number: CN219400364U
Application number: CN202320521748.0U
Authority: CN
Inventors: 秦本武; 马俊; 衡娟; 石鹏
Original assignee: Anhui Haijin Cement Technology Development Co ltd
Current assignee: Anhui Haijin Cement Technology Development Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-25
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses energy-saving cement grinding and powder selecting equipment, and particularly relates to the technical field of powder selecting equipment. Including stirring storehouse, support frame, injection pipe, device storehouse, driving motor and screening structure, the screening structure includes supporting shoe, first rotation axis, second rotation axis and bearing housing, first rotation axis surface fixed mounting has a plurality of grinding rods, second rotation axis surface fixed mounting has the filter screen, and the filter screen is located the stirring storehouse. Through mutually supporting of driving motor and screening structure, driving motor exerts the rotation force through the left bevel gear of drive end to the first bevel gear of first rotation axis and the second bevel gear of second rotation axis for the lapping rod exerts clockwise lapping force to great cement granule, and the filter screen exerts anticlockwise rotation force to great cement granule simultaneously, need not to retrieve again great cement granule and put into the process of going up again, has reduced the work burden of last lapping process.

Description

Energy-saving powder selecting equipment for cement grinding

Technical Field

The utility model relates to the technical field of powder selecting equipment, in particular to energy-saving cement grinding powder selecting equipment.

Background

Cement is one of indispensable raw materials in building construction, along with the development of society, the demand for cement is also increasing, the cement production process is more complicated and the steps are more, wherein one step is to screen the dried cement by using a powder concentrator

The existing powder selecting machine is used for selecting powder for cement by means of a screen when the cement is screened, cement particles meeting the requirements directly fall to an output bin through the screen holes of the screen, larger cement particles can be recovered and put into the previous process again, the larger cement particles are ground again, the workload of the previous grinding process is increased, and the energy consumption required by production is increased.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the cement grinding energy-saving powder selecting equipment, which solves the problems that when the existing powder selecting machine screens cement, most of cement is selected by a screen, cement particles meeting requirements directly fall to an output bin through the meshes of the screen, larger cement particles are recovered and put into a previous process again, the cement particles are ground again, the workload of the previous grinding process is increased, and the energy consumption required by production is increased.

In order to achieve the above object, the present utility model provides the following technical solutions: energy-conserving powder equipment of selecting of cement grinding includes:

the periphery of the stirring bin is supported by a supporting frame, and the top of the stirring bin is communicated with an injection pipe;

the device bin is fixedly arranged in the stirring bin;

the driving motor is fixedly arranged in the device bin, and a left bevel gear is fixedly arranged at the driving end of the driving motor;

the method is characterized in that: the cement grinding energy-saving powder selecting device further comprises:

the screening structure comprises a supporting block, a first rotating shaft, a second rotating shaft and a bearing sleeve, wherein the supporting block is fixedly arranged at the bottom of the inner wall of a device bin, the first rotating shaft is movably arranged at the top of the supporting block, the other end of the first rotating shaft penetrates through the device bin and stretches into the stirring bin, a first bevel gear is fixedly arranged on the outer surface of the first rotating shaft, the first bevel gear is meshed with a left bevel gear, a plurality of grinding rods are fixedly arranged on the outer surface of the first rotating shaft, the second rotating shaft is fixedly arranged on the outer surface of the first rotating shaft, the second bevel gear is meshed with the left bevel gear, the bearing sleeve is movably sleeved on the outer surface of the second rotating shaft, the outer surface of the bearing sleeve is fixedly arranged in the device bin, a filter screen is fixedly arranged on the outer surface of the second rotating shaft, and the filter screen is positioned in the stirring bin.

In a preferred embodiment, the first rotation axis diameter is smaller than the second rotation axis diameter.

In a preferred embodiment, the first rotation axis top shape is a circle.

In a preferred embodiment, a plurality of grinding bumps are fixedly arranged on the outer surface of the grinding rod.

In a preferred embodiment, the filter screen has the same diameter as the inner wall of the mixing chamber.

In a preferred embodiment, the grinding rod is level with the filter screen.

In a preferred embodiment, a shock pad is adhered to the bottom of the support frame.

In a preferred embodiment, the diameter of the inner wall of the stirring bin gradually decreases from top to bottom to half.

Compared with the prior art, the utility model provides cement grinding energy-saving powder selecting equipment, which has the following beneficial effects:

1. this energy-conserving powder equipment of selecting of cement grinding, mutually supporting through driving motor and screening structure, driving motor passes through the left bevel gear of drive end and applys rotation force to the first bevel gear of first rotation axis and the second bevel gear of second rotation axis, rotation direction is opposite after first bevel gear and the second bevel gear atress for the grinding rod applys clockwise grinding force to great cement granule, the filter screen applys anticlockwise rotation force to great cement granule simultaneously, the grinding power that has guaranteed great cement granule to receive is biggest, grind great cement granule into little cement granule, little cement granule passes through the filter screen discharge, need not to retrieve again great cement granule and put into the process of going on again, the work burden of last grinding process has been reduced.

Drawings

FIG. 1 is a schematic side view of the structure of the present utility model;

FIG. 2 is a schematic top view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of A-A of the structure of the present utility model;

FIG. 4 is a schematic diagram of a screening structure of the present utility model.

In the figure: 1. a stirring bin; 2. a support frame; 3. an injection tube; 4. a device bin; 5. a driving motor; 51. a left bevel gear; 6. screening a structure; 61. a support block; 62. a first rotation shaft; 63. a first bevel gear; 64. a grinding rod; 641. a bump; 65. a second rotation shaft; 66. a second bevel gear; 67. a bearing sleeve; 68. and (3) a filter screen.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the cement grinding energy-saving powder selecting device of the embodiment comprises a stirring bin 1, a supporting frame 2, an injection pipe 3, a device bin 4, a driving motor 5 and a screening structure 6, wherein the periphery of the outer part of the stirring bin 1 is supported by the supporting frame 2, the top part of the stirring bin is communicated with the injection pipe 3, the device bin 4 is fixedly arranged in the stirring bin 1, the driving motor 5 is fixedly arranged in the device bin 4, and a left bevel gear 51 is fixedly arranged at the driving end of the driving motor 5.

The screening structure 6 comprises a supporting block 61, a first rotating shaft 62, a second rotating shaft 65 and a bearing sleeve 67, wherein the supporting block 61 is fixedly arranged at the bottom of the inner wall of the device bin 4, the first rotating shaft 62 is movably arranged at the top of the supporting block 61, the other end of the first rotating shaft 62 penetrates through the device bin 4 and stretches into the stirring bin 1, a first bevel gear 63 is fixedly arranged on the outer surface of the first rotating shaft 62, the first bevel gear 63 is meshed with the left bevel gear 51, a plurality of grinding rods 64 are fixedly arranged on the outer surface of the first rotating shaft 62, a second rotating shaft 65 is movably sleeved on the outer surface of the first rotating shaft 62, a second bevel gear 66 is meshed with the left bevel gear 51, a bearing sleeve 67 is movably sleeved on the outer surface of the second rotating shaft 65, the bearing sleeve 67 is fixedly arranged in the device bin 4, a filter screen 68 is fixedly arranged on the outer surface of the second rotating shaft 65, and the filter screen 68 is positioned in the stirring bin 1.

During the use, the cement particle that the staff will need to filter is inside pouring into stirring storehouse 1 through injection tube 3, cement particle is at first contacted with filter screen 68, filter screen 68 at first filters cement particle, cement particle that meets the requirements can pass through filter screen 68 and directly fall out stirring storehouse 1, and bigger cement particle then remains to filter screen 68 surface, then the staff starts driving motor 5, driving motor 5 is through the left bevel gear 51 of drive end to the first bevel gear 63 of first rotation axis 62 and the second bevel gear 66 of second rotation axis 65 exert the rotation force, the rotation direction is opposite behind the atress of first bevel gear 63 and second bevel gear 66, and then the rotation direction of grinding rod 64 and filter screen 68 is opposite, make grinding rod 64 exert clockwise grinding force to bigger cement particle, filter screen 68 exerts anticlockwise rotation force to bigger cement particle, the grinding force that bigger cement particle received is the biggest, grind bigger cement particle into little cement particle, little cement particle is discharged through 68, need not retrieve bigger cement particle and put into the process again, the process of grinding process is carried out to the present cement particle in the more than the process of carrying out on the screen, the process of grinding process is improved when the present, the process is carried out on the carrier is more than the process of grinding process is carried out to the filter screen again, the process is improved.

Examples

Referring to fig. 1-4, the cement grinding energy-saving powder selecting apparatus of this embodiment has substantially the same structure as that of embodiment 1, except that in this embodiment, the diameter of the first rotating shaft 62 is smaller than that of the second rotating shaft 65, so as to ensure that the first rotating shaft 62 smoothly rotates inside the second rotating shaft 65.

The top of the first rotating shaft 62 is circular, so that the probability of cement particles remaining on the surface can be reduced, and the screening dead angle can be reduced.

The outer surface of the grinding rod 64 is fixedly provided with a plurality of grinding convex points 641, and the grinding convex points 641 can reduce the contact area with cement particles and improve the grinding effect of the grinding rod 64 on the cement particles.

The diameter of the filter screen 68 is the same as the diameter of the inner wall of the stirring bin 1, so that cement particles can be reduced from falling off directly through a gap between the filter screen 68 and the stirring bin 1, and the material selection efficiency is affected.

The grinding rod 64 and the filter screen 68 are kept horizontal, and the grinding rod 64 grinds cement particles on the surface of the filter screen 68 evenly, so that the grinding efficiency is improved.

The damping pad is adhered to the bottom of the supporting frame 2, vibration generated during the working of the driving motor 5 can be reduced, and stable operation of the screening structure 6 is guaranteed.

The diameter of the inner wall of the stirring bin 1 is gradually reduced to half from top to bottom, so that cement particles after stirring are slid downwards along the inner wall of the stirring bin 1 and discharged.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims

1. Energy-conserving powder equipment of selecting of cement grinding includes:

the periphery of the stirring bin (1) is supported by a supporting frame (2), and the top of the stirring bin is communicated with an injection pipe (3);

the device bin (4) is fixedly arranged in the stirring bin (1);

the driving motor (5) is fixedly arranged in the device bin (4), and a left bevel gear (51) is fixedly arranged at the driving end of the driving motor (5);

screening structure (6), it includes supporting shoe (61), first rotation axis (62), second rotation axis (65) and bearing bush (67), supporting shoe (61) fixed mounting is in device storehouse (4) inner wall bottom, supporting shoe (61) top movable mounting has first rotation axis (62), and first rotation axis (62) other end runs through device storehouse (4) and stretches into in stirring storehouse (1), first rotation axis (62) surface fixed mounting has first bevel gear (63), and first bevel gear (63) and left bevel gear (51) meshing, first rotation axis (62) surface fixed mounting has a plurality of grinding rods (64), first rotation axis (62) surface movable sleeve is equipped with second rotation axis (65), second rotation axis (65) surface fixed mounting has second bevel gear (66), and second bevel gear (66) and left bevel gear (51) meshing, second rotation axis (65) surface movable sleeve is equipped with bearing bush (67), and bearing bush (67) surface fixed mounting is in device storehouse (4), second rotation axis (65) surface fixed mounting has filter screen (68) and stirring storehouse (68) are located in stirring storehouse (1).

2. The cement grinding energy-saving powder selecting device according to claim 1, wherein: the first rotation shaft (62) has a diameter smaller than that of the second rotation shaft (65).

3. The cement grinding energy-saving powder selecting device according to claim 1, wherein: the top of the first rotating shaft (62) is circular in shape.

4. The cement grinding energy-saving powder selecting device according to claim 1, wherein: a plurality of grinding convex points (641) are fixedly arranged on the outer surface of the grinding rod (64).

5. The cement grinding energy-saving powder selecting device according to claim 1, wherein: the diameter of the filter screen (68) is the same as the diameter of the inner wall of the stirring bin (1).

6. The cement grinding energy-saving powder selecting device according to claim 1, wherein: the grinding rod (64) and the filter screen (68) are kept horizontal.

7. The cement grinding energy-saving powder selecting device according to claim 1, wherein: and a shock pad is adhered to the bottom of the supporting frame (2).

8. The cement grinding energy-saving powder selecting device according to claim 1, wherein: the diameter of the inner wall of the stirring bin (1) is gradually reduced to half from top to bottom.