CN212883522U

CN212883522U - High-efficient selection powder machine of cement grinding system

Info

Publication number: CN212883522U
Application number: CN202021221069.4U
Authority: CN
Inventors: 袁昌刚; 黄险峰; 王新; 田犀; 刘�文; 马德武; 蒲灵
Original assignee: Sichuan Xingchuanyu Cement Co ltd
Current assignee: Sichuan Xingchuanyu Cement Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-06
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a high-efficient selection powder machine of cement grinding system relates to high-efficient selection powder machine field, including selection powder machine main part and motor, the cooling subassembly is installed at the top of selection powder machine main part, the cooling subassembly includes batch oil tank and speed reducer, the inside rotation of selection powder machine main part is connected with the main shaft, the top fixedly connected with batch oil tank of selection powder machine main part, the top fixedly connected with connecting block of batch oil tank, the top fixedly connected with speed reducer of connecting block, input fixedly connected with motor is passed through to one side of speed reducer, the utility model discloses beneficial synergism: be provided with the bearing protection cover, pack thermal-insulated rock wool in the protection cover, make high-efficient selection powder machine lower bearing separate with cement dust gas completely, reach thermal-insulated effect for the temperature control of bearing is about 65 degrees under the summer high temperature, has realized the protection to bearing and whole equipment.

Description

High-efficient selection powder machine of cement grinding system

Technical Field

The utility model relates to a high-efficient selection powder machine field specifically is a high-efficient selection powder machine of cement grinding system.

Background

The existing powder concentrator structurally comprises a rack, a fan and a negative pressure system, wherein the fan and the negative pressure system are arranged on the rack, a motor, a feed inlet and a discharging pipe connected with the feed inlet are arranged on the rack, the motor is connected with a speed reducer, the speed reducer is connected with a rotating shaft, a cage column rotor and an air guide assembly are arranged at the lower end of the rotating shaft, the cage column rotor and the air guide assembly are arranged in an air inlet shell, a grading chamber is arranged at the upper end of the air inlet shell, the lower end of the discharging pipe is communicated with the grading chamber, the lower end of the air inlet shell is connected with an outer cone, and an air locking valve is arranged on the outer cone. The upper shaft and the lower shaft of the main shaft are lubricated by thin oil, and during operation, lubricating oil firstly enters the upper bearing and then returns to a lubricating oil station. When a bearing of the existing powder concentrator works at high temperature in summer, the temperature of a lubricating oil station is about 55 ℃, the temperature of an upper bearing is about 56 ℃, the temperature of a lower bearing is continuously increased, and equipment is often stopped when the temperature reaches more than 70 ℃.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient selection powder machine of cement grinding system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency powder concentrator of a cement grinding system comprises a powder concentrator main body and a motor, wherein a cooling assembly is installed at the top of the powder concentrator main body, the cooling assembly comprises an oil storage tank and a speed reducer, the inside of the powder concentrator main body is rotatably connected with a main shaft, the oil storage tank is fixedly connected with the top of the powder concentrator main body, a connecting block is fixedly connected with the top of the oil storage tank, the speed reducer is fixedly connected with the top of the connecting block, the motor is fixedly connected with one side of the speed reducer through an input end, the output end of the speed reducer is in transmission connection with the main shaft through a coupler, an upper bearing is installed on the outer side of the main shaft, an upper bearing shell is installed on the outer side of the upper bearing, the upper bearing shell is fixedly connected with the oil storage tank, a lower bearing is installed on the outer side, the utility model discloses a powder concentrator, including bearing shell, bearing shell inner wall fixed mounting has the heat insulating sleeve down, bearing shell and batch oil tank fixed connection down, the top and the lower bearing shell fixed connection of powder concentrator main part, the top fixed mounting of batch oil tank has the oil pump, the output of oil pump is connected with upper bearing shell through defeated oil pipe, upper bearing shell is connected with lower bearing shell through defeated oil pipe, lower bearing shell is connected with the batch oil tank through defeated oil pipe, the outside fixed mounting of powder concentrator main part has control panel.

Preferably, the feed inlets have all been seted up to the both sides of selection powder machine main part, the internally mounted of selection powder machine main part has the selection powder case, the both sides that the inside of selection powder case just is located the main shaft all are equipped with guide blade, the inside fixed mounting that the outside of main shaft just is located the selection powder case has the charging tray, the outside fixed mounting that the bottom of charging tray just is located the main shaft has the buffer board, the bottom fixedly connected with rotor of main shaft, the funnel case is installed to the bottom of selection powder machine main part.

Preferably, a coarse powder outlet is formed in the bottom of the funnel box, and a valve is fixedly mounted on one side of the coarse powder outlet.

Preferably, supports are fixedly arranged on the periphery of the bottom of the powder concentrator main body.

Preferably, a fan is installed on one side of the powder concentrator main body, a fine powder outlet is formed in one side of the powder concentrator main body, and an output end of the fan is connected with the fine powder outlet through an air pipe.

Preferably, one side of the powder selecting box is provided with a first air inlet, the other side of the powder selecting box is provided with a second air inlet, and both sides of the funnel box are provided with third air inlets.

Preferably, the fan, the oil pump and the motor are electrically connected with the control panel.

Compared with the prior art, the beneficial effects of the utility model are that: be provided with the bearing protection cover, pack thermal-insulated rock wool in the protection cover, make high-efficient selection powder machine lower bearing separate with cement dust gas completely, reach thermal-insulated effect for the temperature control of bearing is about 65 degrees under the summer high temperature, has realized the protection to bearing and whole equipment.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an enlarged view of the structure of the present invention.

In the figure: 1. a powder concentrator main body; 2. a cooling assembly; 3. a first air inlet; 4. a second air inlet; 5. a third air inlet; 6. a fine powder outlet; 7. a feed inlet; 8. a coarse powder outlet; 9. a main shaft; 10. selecting powder; 11. a material spreading disc; 12. a guide blade; 13. a buffer plate; 14. a rotor; 15. a fan; 16. a hopper box; 17. a valve; 18. an oil storage tank; 19. an oil pump; 20. connecting blocks; 21. a motor; 22. a speed reducer; 23. a coupling; 24. an upper bearing; 25. an upper bearing housing; 26. a lower bearing housing; 27. a lower bearing; 28. a heat insulation sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the powder concentrator comprises a powder concentrator main body 1 and a motor 21, wherein a cooling assembly 2 is installed at the top of the powder concentrator main body 1, the cooling assembly 2 comprises an oil storage tank 18 and a speed reducer 22, the operation of the whole device is maintained, a main shaft 9 is rotatably connected inside the powder concentrator main body 1, the oil storage tank 18 is fixedly connected at the top of the powder concentrator main body 1, a connecting block 20 is fixedly connected at the top of the oil storage tank 18, the stability of the whole device is ensured, the speed reducer 22 is fixedly connected at the top of the connecting block 20, the motor 21 is fixedly connected at one side of the speed reducer 22 through an input end, the normal operation is ensured, the output end of the speed reducer 22 is in transmission connection with the main shaft 9 through a coupler 23, the normal operation of the whole device is ensured, an upper bearing 24 is installed at the outer side of the main shaft 9, an upper bearing shell 25 is installed at the outer side of the upper bearing 24, the upper, lower bearing housing 26 is installed in the outside of lower bearing 27, lower bearing housing 26 inner wall fixed mounting has radiation shield 28, lower bearing housing 26 and batch oil tank 18 fixed connection, stability has been guaranteed, the top and the lower bearing housing 26 fixed connection of selection powder machine main part 1, the top fixed mounting of batch oil tank 18 has oil pump 19, the output of oil pump 19 is connected with upper bearing housing 25 through defeated oil pipe, upper bearing housing 25 is connected with lower bearing housing 26 through defeated oil pipe, normal operating has been guaranteed, lower bearing housing 26 is connected with batch oil tank 18 through defeated oil pipe, the outside fixed mounting of selection powder machine main part 1 has control panel, holistic normal operating has been guaranteed.

Further, feed inlets 7 have been all seted up to the both sides of selection powder machine main part 1, the internally mounted of selection powder machine main part 1 has selection powder case 10, the inside of selection powder case 10 and the both sides that are located main shaft 9 all are equipped with guide blade 12, the outside of main shaft 9 and the inside fixed mounting that is located selection powder case 10 have a spreader plate 11, guaranteed to carry out abundant selection powder, the outside fixed mounting that the bottom of spreader plate 11 just is located main shaft 9 has buffer plate 13, guaranteed to carry out abundant selection powder, the bottom fixedly connected with rotor 14 of main shaft 9, funnel case 16 is installed to the bottom of selection powder machine main part 1, the collection of middlings has been guaranteed.

Furthermore, a coarse powder outlet 8 is formed in the bottom of the funnel box 16, and a valve 17 is fixedly mounted on one side of the coarse powder outlet 8, so that the speed can be controlled.

Furthermore, supports are fixedly arranged on the periphery of the bottom of the powder concentrator main body 1, so that the stability of the whole device is guaranteed.

Furthermore, a fan 15 is installed on one side of the powder concentrator main body 1, a fine powder outlet 6 is formed in one side of the powder concentrator main body 1, and the output end of the fan 15 is connected with the fine powder outlet 6 through an air pipe, so that qualified fine powder is guaranteed to be output in time.

Furthermore, a first air inlet 3 is formed in one side of the powder selecting box 10, a second air inlet 4 is formed in the other side of the powder selecting box 10, and third air inlets 5 are formed in two sides of the funnel box 16, so that sufficient powder selection through three air inlets is guaranteed.

Furthermore, the fan 15, the oil pump 19 and the motor 21 are electrically connected with the control panel, so that the operation of the whole device is ensured.

Specifically, use the utility model discloses the time: opening the control panel, the motor 21 operates to drive the speed reducer 22 to operate, the speed reducer 22 operates to drive the coupling 23 to rotate, thereby enabling the main shaft 9 to rotate, the lubricating oil is timely conveyed to the inside of the upper bearing shell 25 through the output end of the oil pump 19, conveyed to the inside of the lower bearing shell 26 through a pipeline, and finally conveyed back to the inside of the oil storage tank 18 through an oil return pipeline, the ground material is put in from the feed inlet 7 and is fully dispersed through the spreading plate 11 and the buffer plate 13, the first air inlet 3 and the second air inlet 4 from the mill and the dust collector horizontally enter into the powder selecting tank 10 through the guide vane 12, the cage-shaped rotor 14 consisting of vertical vanes and horizontal vanes in the powder selecting machine enables the internal and external pressure difference of the whole powder selecting tank 10 to be kept constant up and down during rotation, the airflow is stable and uniform, the opportunity of repeated sorting for the materials from top to bottom is provided, and the sorting is carried out under the balance, powder particles do vortex motion along with airflow, because the powder selecting distance is long, the particles falling into the cone part finally enter the third air inlet 5 for secondary separation, qualified fine powder is pumped out from the upper part along with the central airflow pipe to the fine powder outlet 6 for collection, the coarse powder is discharged from the coarse powder outlet 8 at the bottom of the funnel box 16, and the valve 17 arranged at one side of the coarse powder outlet 8 realizes the control of falling.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient selection powder machine of cement grinding system, includes selection powder machine main part (1) and motor (21), its characterized in that: the cooling assembly (2) is installed at the top of the powder concentrator main body (1), the cooling assembly (2) comprises an oil storage tank (18) and a speed reducer (22), the main shaft (9) is connected to the inside of the powder concentrator main body (1) in a rotating mode, the oil storage tank (18) is fixedly connected to the top of the powder concentrator main body (1), a connecting block (20) is fixedly connected to the top of the oil storage tank (18), the speed reducer (22) is fixedly connected to the top of the connecting block (20), a motor (21) is fixedly connected to one side of the speed reducer (22) through an input end, the output end of the speed reducer (22) is in transmission connection with the main shaft (9) through a coupler (23), an upper bearing (24) is installed on the outer side of the main shaft (9), an upper bearing shell (25) is installed on the outer side of the upper bearing (24), and the upper bearing, the utility model discloses a bearing (27) is installed under the outside of main shaft (9) and be located upper bearing (24), bearing housing (26) down is installed in the outside of bearing (27) down, bearing housing (26) inner wall fixed mounting has radiation shield (28) down, bearing housing (26) and batch oil tank (18) fixed connection down, the top and the lower bearing housing (26) fixed connection of selection powder machine main part (1), the top fixed mounting of batch oil tank (18) has oil pump (19), the output of oil pump (19) is connected with upper bearing housing (25) through defeated oil pipe, upper bearing housing (25) are connected with lower bearing housing (26) through defeated oil pipe, bearing housing (26) are connected with batch oil tank (18) through defeated oil pipe down, the outside fixed mounting of selection powder machine main part (1) has control panel.

2. The efficient powder selecting machine of the cement grinding system according to claim 1, characterized in that: feed inlet (7) have all been seted up to the both sides of selection powder machine main part (1), the internally mounted of selection powder machine main part (1) has selection powder case (10), the inside of selection powder case (10) and the both sides that are located main shaft (9) all are equipped with guide blade (12), the inside fixed mounting that the outside of main shaft (9) just is located selection powder case (10) has spreader plate (11), the outside fixed mounting that the bottom of spreader plate (11) just is located main shaft (9) has buffer board (13), the bottom fixedly connected with rotor (14) of main shaft (9), funnel case (16) are installed to the bottom of selection powder machine main part (1).

3. The efficient powder selecting machine of the cement grinding system according to claim 2, characterized in that: a coarse powder outlet (8) is formed in the bottom of the funnel box (16), and a valve (17) is fixedly mounted on one side of the coarse powder outlet (8).

4. The efficient powder selecting machine of the cement grinding system according to claim 2, characterized in that: and supports are fixedly arranged on the periphery of the bottom of the powder concentrator main body (1).

5. The efficient powder selecting machine of the cement grinding system according to claim 1, characterized in that: the powder concentrator is characterized in that a fan (15) is installed on one side of the powder concentrator main body (1), a fine powder outlet (6) is formed in one side of the powder concentrator main body (1), and the output end of the fan (15) is connected with the fine powder outlet (6) through an air pipe.

6. The efficient powder selecting machine of the cement grinding system according to claim 2, characterized in that: a first air inlet (3) is formed in one side of the powder selecting box (10), a second air inlet (4) is formed in the other side of the powder selecting box (10), and third air inlets (5) are formed in the two sides of the funnel box (16).

7. The efficient powder selecting machine of the cement grinding system according to claim 5, characterized in that: the fan (15), the oil pump (19) and the motor (21) are electrically connected with the control panel.