Cement raw material energy-saving grinding device

Abstract

The utility model relates to a cement raw material energy-saving grinding device which comprises a roller (10) containing grinding media and cement production raw materials, the roller (10) is in shaft connection with a support (11), the end face of the roller (10) is in shaft connection with a rotating ring (21), the rotating ring (21) is in shaft connection with a grinding rod (22), and the grinding rod (22) is installed on the support (11). The cement production raw materials in the roller (10) are ground and crushed under the rotation action of the grinding medium and the roller (10), and meanwhile, the grinding rod (22) revolves in the roller (10), so that the cement production raw materials in the roller (10) are turned over, and the grinding effect and grinding efficiency of the cement production raw materials are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cement production, in particular to an energy-saving cement raw material grinding device. Background Art

[0002] Cement is a powdered, hydraulic, inorganic gelling material that forms a slurry when stirred with water. It can harden in air or water, and can firmly bind materials such as sand and stone together to form concrete. After hardening, it has high strength and is resistant to water erosion. During the cement production process, its raw materials, such as raw coal and limestone, need to be ground. The working principle of common grinding equipment is to rotate the drum horizontally at a low speed. Under the action of inertial centrifugal force, the steel balls in the ball mill, which serve as grinding media, are brought to a certain height. The steel balls fall under the action of gravity and grind the cement production raw materials in the drum. The drum of existing cement raw material grinding equipment generally rotates in a single direction at a low speed, which has a poor grinding effect on the cement production raw materials and low grinding efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is that the drum of the existing cement raw material grinding equipment generally rotates in one direction at a low speed, which has a poor grinding effect on the cement production raw materials and a low grinding efficiency.

[0004] In order to solve the above problems, the utility model provides an energy-saving cement raw material grinding device, including a drum containing grinding media and cement production raw materials, the drum is axially connected to a bracket, a rotating ring is axially connected to the end surface of the drum, a grinding rod is axially connected to the rotating ring, and the grinding rod is installed on the bracket.

[0005] The energy-saving cement raw material grinding device provided by the utility model also has the following technical features:

[0006] A motor is fixed on the bracket, and an output shaft of the motor is coaxially fixed with the drum.

[0007] The output shaft of the motor is fixed to the first gear, the first gear can be engaged with the second gear, the second gear is fixed to one end of the grinding rod, and the grinding rod is axially connected to the bracket.

[0008] The output shaft of the motor is fixed to the inner gear ring, and the inner gear ring is capable of meshing with the second gear;

[0009] The first gear is an incomplete gear, the inner ring gear is an incomplete gear ring, and the sum of the angles of the arcs corresponding to the teeth on the first gear and the angles of the arcs corresponding to the teeth on the inner ring gear is 360°.

[0010] The other end of the grinding rod is fixed to the support ring, and the support ring is axially connected to the end surface of the roller away from the rotating ring.

[0011] The output shaft of the motor is fixed to a fixing ring, and the fixing ring is fixed to an inner gear ring through a plurality of connecting rods.

[0012] A plurality of turning heads are fixed on the outer surface of the grinding rod.

[0013] The utility model has the following beneficial effects: the cement production raw materials in the drum are ground and crushed by utilizing the grinding media and the rotation of the drum, and at the same time the grinding rod revolves in the drum to realize the turning effect of the cement production raw materials in the drum, thereby improving the grinding effect and grinding efficiency of the cement production raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a partial cross-sectional view of the utility model;

[0015] Figure 2 for Figure 1 A partial structural diagram of the side view. DETAILED DESCRIPTION

[0016] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

[0017] like Figures 1 to 2 As shown, the energy-saving cement raw material grinding device of the present invention includes a drum 10 containing grinding media and cement production raw materials. The drum 10 is axially connected to a bracket 11. A rotating ring 21 is axially connected to the end face of the drum 10. A grinding rod 22 is axially connected to the rotating ring 21. The grinding rod 22 is installed on the bracket 11.

[0018] The utility model utilizes the grinding media and the rotation of the drum 10 to grind and crush the cement production raw materials in the drum 10. At the same time, the grinding rod 22 revolves in the drum 10 to achieve a turning effect on the cement production raw materials in the drum 10, thereby improving the grinding effect and grinding efficiency of the cement production raw materials.

[0019] The end surface of the drum 10 and the rotating ring 21, as well as the rotating ring 21 and the grinding rod 22 are matched with each other through bearings and sealing rings to achieve rotatable sealing.

[0020] The drum 10 is provided with an opening for adding or removing grinding media and cement production raw materials into or from the drum 10 .

[0021] Preferably, a motor 23 is fixed on the bracket 11 , and an output shaft of the motor 23 is coaxially fixed to the drum 10 .

[0022] The output shaft of the motor 23 passes through the drum 10 and is axially connected to one end of the first support rod 24 , and the other end of the second support rod 24 is fixed to the bracket 11 .

[0023] Preferably, the output shaft of the motor 23 is fixed to the first gear 25 , the first gear 25 can mesh with the second gear 26 , the second gear 26 is fixed to one end of the grinding rod 22 , and the grinding rod 22 is axially connected to the bracket 11 .

[0024] The utility model drives the drum 10 to rotate through the output shaft of the motor 23, and at the same time drives the first gear 25 to rotate, and drives the second gear 26 and the grinding rod 22 to rotate, so that the grinding rod 22 can rotate while revolving in the drum 10, further improving the grinding effect and grinding efficiency of cement production raw materials.

[0025] The grinding rod 22 is axially connected to one end of the second support rod 27 , and the other end of the second support rod 27 is fixed to the bracket 11 .

[0026] Preferably, the output shaft of the motor 23 is fixed to the inner ring gear 28, and the inner ring gear 28 can mesh with the second gear 26;

[0027] See also Figure 2 The first gear 25 is an incomplete gear, the inner ring gear 28 is an incomplete gear ring, and the sum of the angles of the arcs corresponding to the teeth on the first gear 25 and the angles of the arcs corresponding to the teeth on the inner ring gear 28 is 360°.

[0028] The utility model drives the first gear 25 and the inner ring gear 28 to rotate through the output shaft of the motor 23. The first gear 25 of the incomplete gear and the inner ring gear 28 of the incomplete ring gear are alternately meshed with the second gear 26 to drive the second gear 26 to rotate alternately in forward and reverse speeds, thereby driving the grinding rod 22 to revolve in the drum 10 and rotate alternately in forward and reverse speeds, further improving the grinding effect and grinding efficiency of cement production raw materials.

[0029] Preferably, the other end of the grinding rod 22 is fixed to a support ring 29 , and the support ring 29 is axially connected to the end surface of the drum 10 away from the rotating ring 21 .

[0030] Preferably, the output shaft of the motor 23 is fixed to a fixing ring 30 , and the fixing ring 30 is fixed to the inner gear ring 28 via a plurality of connecting rods 31 .

[0031] Preferably, a plurality of flipping heads 32 are fixed to the outer surface of the grinding rod 22 .

[0032] The working principle of this utility model is as follows:

[0033] Grinding media and cement production raw materials are added through the opening on the drum 10, and the motor 23 is started. The output shaft of the motor 23 drives the drum 10 to rotate, and the grinding media and the rotation of the drum 10 are used to grind and crush the cement production raw materials in the drum 10. At the same time, the grinding rod 22 revolves in the drum 10 to achieve a turning effect on the cement production raw materials in the drum 10, thereby improving the grinding effect and grinding efficiency of the cement production raw materials; at the same time, the output shaft of the motor 23 drives the first gear 25 and the inner ring 28 to rotate, and the first gear 25 of the incomplete gear and the inner ring 28 of the incomplete gear are alternately meshed with the second gear 26 to drive the second gear 26 to rotate alternately in forward and reverse speed, thereby driving the grinding rod 22 to revolve in the drum 10 and rotate alternately in forward and reverse speed, further improving the grinding effect and grinding efficiency of the cement production raw materials.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A cement raw material energy-saving grinding device, comprising a drum (10) containing grinding media and cement production raw materials, the drum (10) being axially connected to a bracket (11), characterized in that: A rotating ring (21) is axially connected to the end surface of the drum (10), a grinding rod (22) is axially connected to the rotating ring (21), and the grinding rod (22) is installed on the bracket (11).

2. The energy-saving cement raw meal grinding device according to claim 1, characterized in that: A motor (23) is fixed on the bracket (11), and an output shaft of the motor (23) is coaxially fixed to the roller (10).

3. The energy-saving cement raw meal grinding device according to claim 2, characterized in that: The output shaft of the motor (23) is fixed to the first gear (25), the first gear (25) can mesh with the second gear (26), the second gear (26) is fixed to one end of the grinding rod (22), and the grinding rod (22) is axially connected to the bracket (11).

4. The energy-saving cement raw meal grinding device according to claim 3, characterized in that: The output shaft of the motor (23) is fixed to the inner ring gear (28), and the inner ring gear (28) is capable of meshing with the second gear (26); The first gear (25) is an incomplete gear, the inner gear ring (28) is an incomplete gear ring, and the sum of the angles of the circular arcs corresponding to the teeth on the first gear (25) and the angles of the circular arcs corresponding to the teeth on the inner gear ring (28) is 360°.

5. The energy-saving cement raw meal grinding device according to claim 3, characterized in that: The other end of the grinding rod (22) is fixed to a support ring (29), and the support ring (29) is axially connected to the end surface of the roller (10) away from the rotating ring (21).

6. The energy-saving cement raw meal grinding device according to claim 4, characterized in that: The output shaft of the motor (23) is fixed to the fixing ring (30), and the fixing ring (30) is fixed to the inner gear ring (28) via a plurality of connecting rods (31).

7. The energy-saving cement raw meal grinding device according to claim 1, characterized in that: A plurality of turning heads (32) are fixed to the outer surface of the grinding rod (22).

Images