CN217055636U

CN217055636U - Circulating fan for cement mill of variable frequency

Info

Publication number: CN217055636U
Application number: CN202122032882.8U
Authority: CN
Inventors: 陈在敏; 何江海; 郭奉贤; 姚永生; 吴卫权; 陈富; 王勇
Original assignee: Sanya Huasheng Cement Grinding Co ltd
Current assignee: Sanya Huasheng Cement Grinding Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-07-26
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a circulating fan for cement mill of variable frequency, including first casing, mount, second casing and turbine body, first casing rear end and second casing front end fixed connection, second casing rear end fixed mounting has the speed reducer body, speed reducer body front end embedding is installed at the second casing inboard and is connected with the transmission of turbine body, turbine body front end rotates and installs in the mount, the mount outside and second shells inner wall fixed connection. The bottom ends of the first shell and the second shell are fixedly mounted on one side of the upper surface of the bottom plate, the other side of the upper surface of the bottom plate is provided with a servo motor body, and the lower surface of the bottom plate is far away from the front end and the rear end of one side of the first shell and the second shell and is fixedly provided with a second supporting rod respectively. The utility model provides a circulating fan amount of wind size be difficult to adjust and cause the big problem of resource and energy waste volume.

Description

Circulating fan for cement mill of variable frequency

Technical Field

The utility model relates to a circulating fan technical field specifically is a circulating fan for cement mill of variable frequency.

Background

The fan used for ventilation of the raw meal preparation system is generally a centrifugal fan, so that it forms a dust removal system together with a dust remover. According to the process flow, the installation position of the air suction device is behind the dust remover, so that in the whole system, no matter the mill, the dust remover or the connecting pipeline is in a negative pressure operation state, even if air leakage exists at the connecting port, air in the environment is sucked into the system, and dust-containing gas in the system is not leaked out of the body, so that material loss and environment pollution are caused.

However, when the circulating fan used at present is used, the air volume of the circulating fan is difficult to adjust according to the actual usage amount of the raw materials, so that great waste of resources and energy is easily caused, and therefore, a variable-frequency circulating fan for a cement mill is required to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circulating fan for cement mill of variable frequency possesses the advantage of conveniently adjusting the circulating fan amount of wind, has solved circulating fan amount of wind size and has been difficult to adjust and cause the problem that resource and energy waste are big.

In order to achieve the above object, the utility model provides a following technical scheme: the circulating fan comprises a first supporting rod, a first shell, a fixing frame, a second shell and a turbine body, wherein the rear end of the first shell is fixedly connected with the front end of the second shell, the rear end of the second shell is fixedly provided with a speed reducer body, the bottom ends of the first shell and the second shell are fixedly arranged on one side of the upper surface of a bottom plate, the other side of the upper surface of the bottom plate is provided with a servo motor body, and the front end and the rear end, far away from one side of the first shell and the second shell, of the lower surface of the bottom plate are respectively and fixedly provided with a second supporting rod.

Preferably, the outer sides of the first shell and the second shell are respectively in an annular array and are provided with mounting holes, mounting bolts are movably mounted in the mounting holes, the first shell and the second shell are fixedly connected through the mounting bolts, one side of the upper surface of the first shell and one side of the upper surface of the second shell are respectively provided with a hole and are communicated with and provided with an air outlet pipe, one side of the lower surface of the first shell and one side of the lower surface of the second shell are respectively and fixedly provided with a first supporting rod, and the front surface of the first shell is provided with a hole and is embedded with a filter screen.

Preferably, the front end of the speed reducer body is embedded into the inner side of the second shell and is in transmission connection with the turbine body, the front end of the turbine body is rotatably installed in the fixing frame, and the outer side of the fixing frame is fixedly connected with the inner wall of the second shell.

Preferably, a support frame is fixedly mounted on the lower surface of the servo motor body, the servo motor body is fixedly mounted on the other side of the upper surface of the bottom plate through the support frame, a belt pulley is arranged at the rear end of the servo motor body, and the belt pulley is in transmission connection with the speed reducer body through a transmission belt.

Preferably, the bottom ends of the two first support rods and the bottom ends of the two second support rods are in the same plane.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up the gear motor body to drive the gear motor body through the servo motor body, thereby make the turbine body at the during operation, the size of the former charge of operating personnel accessible is controlled gear motor output value, thereby makes the rotational speed of turbine body change, and then plays the effect of adjusting circulating fan output value, has reached the convenient circulating fan amount of wind of adjusting and has effectively solved the effect that energy and wasting of resources are big.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic rear view of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a first support bar; 2. installing a bolt; 3. a filter screen; 4. an air outlet pipe; 5. a second support bar; 6. a servo motor body; 7. a support frame; 8. a transmission belt; 9. a base plate; 10. a first housing; 11. mounting holes; 12. a fixed mount; 13. a second housing; 14. a turbine body; 15. a speed reducer body; 16. a pulley.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an embodiment of: the utility model provides a circulating fan for cement mill of variable frequency, including first bracing piece 1, first casing 10, mount 12, second casing 13 and turbine body 14, first casing 10 rear end and 13 front end fixed connection of second casing, the first casing 10 and the 13 outside of second casing are annular array respectively and have seted up mounting hole 11, movable mounting has mounting bolt 2 in the mounting hole 11, first casing 10 and second casing 13 pass through mounting bolt 2 fixed connection, trompil respectively and the intercommunication installs out tuber pipe 4 on one side of first casing 10 and the 13 upper surface of second casing, first bracing piece 1 is fixed mounting respectively on one side of the 13 lower surface of first casing 10 and second casing, filter screen 3 is installed in openly trompil of first casing 10 and embedding. Second casing 13 rear end fixed mounting has speed reducer body 15, the utility model discloses a speed reducer body 15 still need provide external control device so that it normally works, and as is known to those skilled in the art, external control device's the provision is common, it all belongs to conventional means or common general knowledge, it is no longer repeated description here, those skilled in the art can carry out arbitrary apolegamy according to its needs or facility, speed reducer body 15 front end embedding is installed at second casing 13 inboard and is connected with turbine body 14 transmission, turbine body 14 front end rotates and installs in mount 12, the mount 12 outside and second casing 13 inner wall fixed connection. Through setting up the gear motor body, and drive the gear motor body through servo motor body 6, thereby make turbine body 14 at the during operation, the size of operating personnel accessible raw material volume controls gear motor output value, thereby makes turbine body 14's rotational speed change, and then plays the effect of adjusting circulating fan output value, reached and conveniently adjusted circulating fan amount of wind and effectively solved the effect that energy and wasting of resources are big.

First casing 10 and the equal fixed mounting in second casing 13 bottom are in bottom plate 9 upper surface one side, and bottom plate 9 upper surface opposite side is equipped with servo motor body 6, and fixed surface installs support frame 7 under servo motor body 6, and servo motor body 6 passes through support frame 7 fixed mounting at bottom plate 9 upper surface opposite side, and 6 rear ends of servo motor body are equipped with belt pulley 16, and belt pulley 16 passes through drive belt 8 and is connected with the 15 transmissions of speed reducer body. The front and back ends of the lower surface of the bottom plate 9 far away from one side of the first shell 10 and the second shell 13 are respectively fixedly provided with a second support rod 5. The bottom ends of the two first supporting rods 1 and the bottom ends of the two second supporting rods 5 are positioned on the same plane.

The working principle is as follows: the utility model discloses during the use, with circulating fan through going out tuber pipe 4 and cement mill intercommunication installation, control speed reducer body 15 by operating personnel simultaneously, at the 6 during operations of start servo motor body, by operating personnel according to the size of former charge, control speed reducer body 15's output value to make the rotational speed of turbine body 14 in the circulating fan controlled, and then reach the effect that circulating fan wind speed can conveniently be controlled.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a circulating fan for cement mill of variable frequency, includes first bracing piece (1), first casing (10), mount (12), second casing (13) and turbine body (14), its characterized in that: first casing (10) rear end and second casing (13) front end fixed connection, second casing (13) rear end fixed mounting has speed reducer body (15), the equal fixed mounting in bottom of first casing (10) and second casing (13) is in bottom plate (9) upper surface one side, bottom plate (9) upper surface opposite side is equipped with servo motor body (6), both ends difference fixed mounting has second bracing piece (5) around first casing (10) and second casing (13) one side are kept away from to bottom plate (9) lower surface.

2. The circulating fan for a variable frequency cement mill according to claim 1, wherein: the utility model discloses a filter screen, including first casing (10) and second casing (13), the first casing outside is the annular array respectively and has seted up mounting hole (11) with the second casing (13), movable mounting has construction bolt (2) in mounting hole (11), first casing (10) and second casing (13) are through construction bolt (2) fixed connection, trompil and intercommunication are installed out tuber pipe (4) respectively to first casing (10) and second casing (13) upper surface one side, first bracing piece (1) are fixed mounting respectively to first casing (10) and second casing (13) lower surface one side, filter screen (3) are installed in openly trompil and the embedding of first casing (10).

3. The circulating fan for a variable frequency cement mill according to claim 1, characterized in that: the front end of the speed reducer body (15) is embedded into the inner side of the second shell (13) and is in transmission connection with the turbine body (14), the front end of the turbine body (14) is rotatably installed in the fixing frame (12), and the outer side of the fixing frame (12) is fixedly connected with the inner wall of the second shell (13).

4. The circulating fan for a variable frequency cement mill according to claim 1, characterized in that: the servo motor is characterized in that a support frame (7) is fixedly mounted on the lower surface of the servo motor body (6), the servo motor body (6) is fixedly mounted on the other side of the upper surface of the bottom plate (9) through the support frame (7), a belt pulley (16) is arranged at the rear end of the servo motor body (6), and the belt pulley (16) is in transmission connection with the speed reducer body (15) through a transmission belt (8).

5. The circulating fan for a variable frequency cement mill according to claim 1, wherein: the bottom ends of the two first supporting rods (1) and the bottom ends of the two second supporting rods (5) are positioned on the same plane.