CN211099357U

CN211099357U - Energy-saving cement ball mill

Info

Publication number: CN211099357U
Application number: CN201921430852.9U
Authority: CN
Inventors: 黄云党; 樊红敏
Original assignee: Tanghe Tailong Cement Co ltd
Current assignee: Tanghe Tailong Cement Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-07-28
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses an energy-saving cement ball mill, including the ball mill, the shell inboard of ball mill is rotated and is connected with interior bushing, the extension end intercommunication of interior bushing has the pan feeding mouth, the discharge gate has been seted up to the bottom of the one end that the pan feeding mouth was kept away from to interior bushing, the inside of interior bushing is provided with first compartment board, the interior table wall of interior bushing is close to first compartment board position department and has offered the spout that is annular structure, the side table wall of first compartment board has seted up the fillet of screw. The utility model discloses in, through the spout that the ball mill inboard was seted up, servo motor's rotational speed is greater than the rotational speed of interior bushing for first partition board realizes the seesaw under servo motor's transmission, thereby the change corase grind storehouse that does not stop and the inner space volume in fine grinding storehouse for collision and friction between the granule have improved the grinding efficiency of cement, thereby improved energy-conserving cement ball mill's work efficiency and usability.

Description

Energy-saving cement ball mill

Technical Field

The utility model relates to a cement manufacture equipment technical field, especially an energy-saving cement ball mill.

Background

Energy-conserving ball mill includes ball mill rotary drum, support base and drive arrangement and annex etc. and energy-conserving ball mill rotary drum ground step is fixed with the support base, and the fine material sieve is installed to ejection of compact position on the rotary drum, and drive arrangement sets up in energy-conserving ball mill rotary drum's outside, and novel energy-conserving ball mill generally adopts antifriction bearing to replace the axle bush, and the friction consumption of base bearing has reduced more than 90%, has reached energy-conserving expectation.

Firstly, the coarse grinding bin mostly utilizes steel balls to grind large-particle ore sand, the space of the coarse grinding bin is not variable, the space in the coarse grinding bin cannot be changed, the friction among particles is increased, and the working efficiency of the cement ball mill is reduced; secondly, most of the partition boards of the existing energy-saving cement ball mill are circular plates, so that the contact surface of fine ground sand is small, and the rapid discharge of ground mineral powder cannot be accelerated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the energy-saving cement ball mill aims at solving the problems that the space of a rough grinding bin of the energy-saving cement ball mill is inconvenient to adjust and the discharge efficiency is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the energy-saving cement ball mill comprises a ball mill, wherein an inner lining barrel is rotatably connected to the inner side of a shell of the ball mill, an extending end of the inner lining barrel is communicated with a feeding port, a discharging port is formed in the bottom of one end, away from the feeding port, of the inner lining barrel, a first partition board is arranged inside the inner lining barrel, a chute which is of an annular structure is formed in the position, close to the first partition board, of the inner surface wall of the inner lining barrel, a threaded ring is formed in the side surface wall of the first partition board, a threaded groove matched with the side surface wall of the first partition board is formed in the inner side of the chute, a partition board which is of a folded structure is arranged on the upper end face of the chute, the partition board is of an annular structure, and the two ends of the partition board are fixedly connected with the inner wall of the inner lining.

As a further description of the above technical solution:

the inside of interior bushing barrel is provided with the second partition panel, first partition panel and second partition panel divide into the corase grind storehouse, fine grinding storehouse and ejection of compact storehouse with interior bushing barrel, the horizontal central line of spout and the coincidence of the horizontal central line of first partition panel.

As a further description of the above technical solution:

the outer side of the ball mill is provided with a servo motor, an output shaft of the servo motor is in transmission connection with a rotary roller, and one end of the rotary roller, which is close to the servo motor, is of a telescopic rod type structure.

As a further description of the above technical solution:

the extending end of the roller penetrates through the lining barrel and is fixedly connected with the axis position of the first partition board, and the roller is connected with the second partition board in a sliding mode.

As a further description of the above technical solution:

the second partition board is fixedly connected with the inner surface wall of the lining barrel, and the vertical section of the second partition board is of a folding structure.

As a further description of the above technical solution:

the rotating speed of the lining cylinder is less than that of the servo motor.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: through the sliding groove formed in the inner side of the ball mill, the rotating speed of the servo motor is greater than that of the lining barrel, so that the first partition plate can move back and forth under the transmission of the servo motor, the internal space volumes of the coarse grinding bin and the fine grinding bin are changed ceaselessly, the collision and friction among particles are accelerated, the grinding efficiency of cement is improved, and the working efficiency and the usability of the energy-saving cement ball mill are improved; through second partition panel and interior bushing fixed connection, rotate through the bearing housing between second partition panel and the commentaries on classics roller and be connected to make the dust granule flow from the gap of second partition panel, vertical cross-section is the second partition panel of roll-over type structure, increased with the granule between the contact surface for the ejection of compact of cement has improved the discharging efficiency of ball mill greatly.

Drawings

Fig. 1 shows a schematic overall structure diagram provided according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a partially enlarged structure at a chute according to an embodiment of the present invention;

figure 3 shows a plan view of a second compartment plate provided according to an embodiment of the invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Given by fig. 1 to fig. 3, the utility model provides a technical solution: the utility model provides an energy-saving cement ball mill, including ball mill 1, the inboard rotation of shell of ball mill 1 is connected with interior lining section of thick bamboo 11, the extension end intercommunication of interior lining section of thick bamboo 11 has pan feeding mouth 2, the bottom of the one end of pan feeding mouth 2 is kept away from to interior lining section of thick bamboo 11 has seted up discharge gate 3, the inside of interior lining section of thick bamboo 11 is provided with first partition bulkhead 6, the interior table wall of interior lining section of thick bamboo 11 is close to first partition bulkhead 6 position department and has seted up spout 10 that is the loop configuration, the screw thread circle has been seted up to the side table wall of first partition bulkhead 6, the inboard of spout 10 seted up with first partition bulkhead 6 side table wall complex thread groove, the up end of spout 10 is provided with baffle 12 that is the bending type structure, baffle 12 is the loop configuration, baffle 12's setting, avoid the granule to get into the thread groove, influence the motion of first partition bulkhead 6, the both ends of baffle 12 respectively with the inner wall and the first.

Specifically, as shown in fig. 1 and 2, a second partition plate 7 is arranged inside the lining barrel 11, the lining barrel 11 is divided into a coarse grinding chamber 8, a fine grinding chamber 9 and a discharging chamber by the first partition plate 6 and the second partition plate 7, a horizontal center line of the chute 10 coincides with a horizontal center line of the first partition plate 6, steel balls are arranged in the coarse grinding chamber 8, and steel forgings are arranged in the fine grinding chamber 9.

Specifically, as shown in fig. 1, the outside of ball mill 1 is provided with servo motor 4, and servo motor 4's output shaft transmission is connected with changes roller 5, and the one end that changes roller 5 and be close to servo motor 4 is telescopic rod type structure, and servo motor 4 provides the power supply for changing roller 5, and telescopic rod structure is convenient for realize the concertina movement of first partition board 6.

Specifically, as shown in fig. 1 and 2, the extending end of the roller 5 penetrates through the lining cylinder 11 and is fixedly connected with the axis position of the first partition plate 6, and the roller 5 is slidably connected with the second partition plate 7, so that the second partition plate 7 is kept stationary, and the spatial change of the rough grinding chamber 8 and the fine grinding chamber 9 is facilitated.

Specifically, as shown in fig. 1 and 3, the second partition plate 7 is fixedly connected with the inner surface wall of the lining barrel 11, and the vertical section of the second partition plate 7 is of a folding structure, so that the contact area between particles and the second partition plate 7 is increased, and the discharging efficiency of the ball mill 1 is improved.

Specifically, as shown in fig. 1, the rotation speed of the lining barrel 11 is less than that of the servo motor 4, so that the first partition plate 6 can move to the rough grinding chamber 8 when rotating in the same direction as the lining barrel 11, and can move to the fine grinding chamber 9 when rotating in the opposite direction.

The working principle is as follows: when the device is used, the chute 10 arranged on the inner side of the ball mill 1 is used, the rotating speed of the servo motor 4 is greater than that of the lining barrel 11, the ball mill 1 is started to grind cement sand, when the steering direction of the servo motor 4 is the same as that of the lining barrel 11, the space of the coarse grinding bin 8 is reduced, the grinding friction between steel balls and particles is increased, when the steering direction of the servo motor 4 is opposite to that of the lining barrel 11, the first compartment plate 6 instantly enlarges the space of the coarse grinding bin 8, reduces the space of the fine grinding bin 9, so that the impact of the steel balls on the particles from top to bottom is increased, the friction between steel balls and the small particles of the fine grinding bin 9 is increased, the telescopic rod structure of the roller 5 ensures the stability of the movement of the first compartment plate 6, the arrangement of the partition plate 12 avoids the particles from entering a thread groove to influence the sliding of the first compartment plate 6, the discharge efficiency of cement is accelerated by the second compartment plate 7 in a folding structure, thereby greatly improving the grinding efficiency and the, the practicability of the ball mill 1 is improved.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. An energy-saving cement ball mill comprises a ball mill (1), wherein the inner side of a shell of the ball mill (1) is rotatably connected with a lining barrel (11), the extending end of the lining barrel (11) is communicated with a feeding port (2), the bottom of one end, far away from the feeding port (2), of the lining barrel (11) is provided with a discharging port (3), the energy-saving cement ball mill is characterized in that a first partition board (6) is arranged inside the lining barrel (11), a chute (10) with an annular structure is arranged at the position, close to the first partition board (6), of the inner surface wall of the lining barrel (11), a threaded ring is arranged on the side surface wall of the first partition board (6), a threaded groove matched with the side surface wall of the first partition board (6) is arranged on the inner side of the chute (10), a partition board (12) with a folding structure is arranged on the upper end face of the chute (10), and the partition board (12) is of an annular structure, two ends of the partition plate (12) are respectively and fixedly connected with the inner wall of the lining barrel (11) and the first partition plate (6).

2. An energy-saving cement ball mill according to claim 1, characterized in that the interior of the lining barrel (11) is provided with a second partition plate (7), the first partition plate (6) and the second partition plate (7) divide the lining barrel (11) into a rough grinding chamber (8), a fine grinding chamber (9) and a discharge chamber, and the horizontal center line of the chute (10) coincides with the horizontal center line of the first partition plate (6).

3. The energy-saving cement ball mill according to claim 1, characterized in that a servo motor (4) is arranged outside the ball mill (1), an output shaft of the servo motor (4) is connected with a rotating roller (5) in a transmission manner, and one end of the rotating roller (5) close to the servo motor (4) is of a telescopic rod type structure.

4. An energy-saving cement ball mill according to claim 3, characterized in that the extending end of the rotating roller (5) penetrates through the inner lining barrel (11) and is fixedly connected with the axial center of the first partition board (6), and the rotating roller (5) is connected with the second partition board (7) in a sliding way.

5. The energy-saving cement ball mill according to claim 2, characterized in that the second partition plate (7) is fixedly connected with the inner surface wall of the lining barrel (11), and the vertical section of the second partition plate (7) is of a folded structure.

6. An energy-saving cement mill as claimed in claim 1, characterized in that the rotational speed of the lining cylinder (11) is less than the rotational speed of the servomotor (4).