Powder selecting device of cement grinding mill

Abstract

The utility model relates to the technical field of cement processing, in particular to a powder selecting device of a cement grinding mill. According to the technical scheme, the device comprises a ball mill, a box body, a mounting frame and a stroke plate, the ball mill is arranged above the box body, a support is arranged on the outer side of the ball mill, the mounting frame is arranged in the box body, a filter screen is arranged in the mounting frame, a vibration motor is arranged at one end of the mounting frame, and a first spring is arranged at the upper end of a supporting plate; supporting plates are arranged on the inner walls of the two sides of the box body, a stroke plate is arranged in the upper end of the mounting frame, and the outer wall of the sliding rod is sleeved with a second spring. The powder selecting device is arranged at the lower end of the ball mill, cement grinding powder is screened, grinding bodies are separated during screening, the vibrating device assists in discharging, screening efficiency is improved, and the problems that after cement grinding powder is processed, raw materials are directly discharged and cannot be subjected to powder selecting treatment, the quality of the cement grinding powder cannot be guaranteed, and follow-up processing is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cement processing, in particular to a cement grinding and powder selection device. Background Art

[0002] Ball mill is a commonly used equipment. In the cement production process, ball mill is mainly used to finely grind cement clinker.

[0003] The publication number CN201978793U retrieved provides a ball mill, including a barrel-shaped ball mill body, a feed inlet is provided on the upper part of the ball mill body, a discharge port is provided on the lower part of the ball mill body, a coupling for connecting a driving device is respectively provided at both ends of the ball mill body, the driving device is installed on a frame for fixing the ball mill body, and a pressure control device and a pressure detection device are also provided on the ball mill body. One end of the pressure control device extends into the ball mill body to control the pressure in the ball mill, and the other end is connected to the pressure detection device. When the ball mill is in use, the pressure control device and the pressure detection device can be used to vacuumize the material while ball milling the material mixture, thereby improving the work efficiency.

[0004] CN201978793U has significant advantages when used, but there are still some shortcomings in the process of use. After water grinding, the raw materials after cement grinding are directly discharged and cannot be processed by powder selection, resulting in the inability to guarantee the quality of cement grinding and affecting subsequent processing. For this reason, we propose a cement grinding powder selection device to solve the existing problems. Utility Model Content

[0005] The utility model aims to provide a cement grinding and powder selection device in view of the problems existing in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cement grinding and powder selection device, comprising a ball mill, a box body, a mounting frame and a travel plate, a ball mill is arranged above the box body, a bracket is arranged on the outside of the ball mill, a mounting frame is arranged inside the box body, a filter is arranged inside the mounting frame, a vibration motor is arranged at one end of the mounting frame, a spring 1 is arranged on the upper end of the support plate, the upper end of the spring 1 is connected to the side of the mounting frame, support plates are arranged on the inner walls on both sides of the box body, a travel plate is arranged inside the upper end of the mounting frame, a slide rod is arranged on the upper end of the travel plate, and a spring 2 is sleeved on the outer wall of the slide rod.

[0007] Preferably, the lower end of the bracket is connected to the upper end of the box body. The bracket fixes the ball mill on the upper end of the box body.

[0008] Preferably, a guide hopper is embedded in the upper end of the box body and is located on the side above the filter screen. The guide hopper transports the raw materials output by the ball mill to the side above the filter screen.

[0009] Preferably, the four corners of the lower end of the box body are provided with support legs, the lower end of the box body is provided with a discharge port, and the lower end of the box body is provided with symmetrically distributed guide plates, and the guide plates are inclined to converge in the middle. The support legs support the four corners of the lower end of the box body, and the guide plates guide and transport the cement raw materials that pass through the filter screen and enter the lower end of the box body, and discharge them through the discharge port.

[0010] Preferably, a discharge port is provided inside one end of the box body, and a conveying plate is provided on an outer wall of one side of the box body, and the conveying plate is located at the discharge port. The discharge port outputs the intercepted cement raw materials and grinding bodies.

[0011] Preferably, both front and rear ends of the installation frame are provided with limit plates, the outer side of the travel plate is sleeved with a sliding sleeve, and the outer wall of the sliding sleeve is connected to the limit plate. The limit plate intercepts the front and rear sides above the installation frame to prevent cement powder from leaking during the selection process.

[0012] Preferably, the upper end of the slide bar is slidably mounted on the box body through the travel hole, the upper and lower ends of the second spring are respectively connected to the outer wall of the slide bar and the inner wall of the upper end of the box body, and a handle is provided on the upper end of the slide bar. The slide bar is slidably mounted on the box body, and is elastically supported by the second spring and the box body. When applying force to the slide bar, the slide bar is applied by grasping the handle.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model installs a ball mill above the box body, and the cement is ground into powder and transported into the box body. The cement powder is screened through a filter screen. The screening process is assisted by a shaking device, which improves the screening efficiency, reduces the clogging of the filter screen, and improves the quality of the raw materials for cement grinding.

[0015] 2. The travel plate intercepts the grinding body to prevent the grinding body from mixing with the cement grinding raw materials, realizes the separation of the grinding body, and reduces the work intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 For the utility model Figure 1 A schematic diagram of the main cross-section of the mid-stroke plate;

[0019] Figure 4 It is a schematic diagram of the main three-dimensional structure of the travel plate of the utility model.

[0020] Figure numerals: 1. ball mill; 2. bracket; 3. guide bucket; 4. discharge port; 5. conveyor plate; 6. box body; 7. support leg; 8. guide plate; 9. installation frame; 10. discharge port; 11. vibration motor; 12. support plate; 13. handle; 14. travel plate; 15. sleeve; 16. spring 1; 17. filter screen; 18. travel port; 19. spring 2. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-Figure 4 As shown, a cement grinding powder selection device proposed by the utility model comprises a ball mill 1, a box body 6, a mounting frame 9 and a stroke plate 14, a ball mill 1 is arranged above the box body 6, a bracket 2 is arranged outside the ball mill 1, the lower end of the bracket 2 is connected to the upper end of the box body 6, a mounting frame 9 is arranged inside the box body 6, a filter screen 17 is arranged inside the mounting frame 9, a guide bucket 3 is embedded and installed inside the upper end of the box body 6, and the guide bucket 3 is located on one side above the filter screen 17, limit plates are arranged at both ends of the mounting frame 9, a vibration motor 11 is arranged at one end of the mounting frame 9, support plates 12 are arranged on the inner walls of both sides of the box body 6, a spring 16 is arranged on the upper end of the support plate 12, and the upper end of the spring 16 is connected to the side of the mounting frame 9, a discharge port 4 is opened inside one end of the box body 6, a conveying plate 5 is arranged on the outer wall of one side of the box body 6, and the conveying plate 5 is located at the discharge port 4.

[0023] The implementation steps based on Example 1 are as follows: the ball mill 1 drives its own driving device to rotate, driving the internal grinding body and cement raw materials to rotate, the grinding body and cement raw materials impact to perform grinding processing, and the processed materials are transported to the upper side of the filter screen 17 through the guide bucket 3, the vibration motor 11 operates to drive the spring 2 19 to vibrate, causing the filter screen 17 to vibrate, and qualified cement raw materials pass through, and unqualified large-sized cement raw materials are intercepted at the upper end of the filter screen 17, reducing the possibility of clogging the filter screen 17, and flowing out through the gap between the stroke plate 14 and the filter screen 17, and the inclined surface of the filter screen 17, and transported to the outside through the conveying plate 5. After the cement is ground, effective powder selection and screening are obtained, thereby improving the quality of cement.

[0024] like Figure 1-Figure 4As shown, compared with the first embodiment, the cement grinding and powder selection device proposed by the utility model further includes: a travel plate 14 is arranged inside the upper end of the installation frame 9, a sliding sleeve 15 is sleeved on the outer side of the travel plate 14, the outer wall of the sliding sleeve 15 is connected to the limit plate, a sliding rod 18 is arranged on the upper end of the travel plate 14, the upper end of the sliding rod 18 is slidably installed with the box body 6 through the travel hole, a spring 2 19 is sleeved on the outer wall of the sliding rod 18, the upper and lower ends of the spring 2 19 are respectively connected to the outer wall of the sliding rod 18 and the inner wall of the upper end of the box body 6, a handle 13 is arranged on the upper end of the sliding rod 18, support legs 7 are arranged at the four corners of the lower end of the box body 6, a discharge port 10 is arranged at the lower end of the box body 6, and symmetrically distributed guide plates 8 are arranged inside the lower end of the box body 6, and the guide plates 8 are inclined to converge to the middle.

[0025] In this embodiment, the stroke plate 14 intercepts the grinding bodies discharged together when the cement raw materials are screened. After the cement raw materials are selected and the unqualified large-size cement raw materials are discharged, the gripping handle 13 lifts the slide bar 18, the stroke plate 14 is lifted by force, the spring 2 19 is squeezed by force, and the grinding bodies lose the interception and pass through the stroke plate 14, and the grinding bodies are collected separately, avoiding the processing flow of secondary separation of the grinding bodies and optimizing the processing flow. After use, the stroke plate 14 is elastically reset by the spring 2 19 and is firmly fixed inside the upper end of the mounting frame 9, thereby ensuring the stability of the stroke plate 14 in subsequent use.

[0026] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cement grinding and selecting device, comprising a ball mill (1), a housing (6), a mounting frame (9) and a travel plate (14), characterized in that: A ball mill (1) is arranged above the box body (6), a bracket (2) is arranged outside the ball mill (1), a mounting frame (9) is arranged inside the box body (6), a filter screen (17) is arranged inside the mounting frame (9), a vibration motor (11) is arranged at one end of the mounting frame (9), support plates (12) are arranged on the inner walls of both sides of the box body (6), a spring 1 (16) is arranged at the upper end of the support plate (12), the upper end of the spring 1 (16) is connected to the side of the mounting frame (9), a travel plate (14) is arranged inside the upper end of the mounting frame (9), a slide rod (18) is arranged at the upper end of the travel plate (14), and a spring 2 (19) is sleeved on the outer wall of the slide rod (18).

2. A cement grinding and separation device according to claim 1, characterized in that: The lower end of the bracket (2) is connected to the upper end of the box (6).

3. A cement grinding and separation device according to claim 1, characterized in that: A flow guide scoop (3) is embedded and installed inside the upper end of the box body (6), and the flow guide scoop (3) is located on one side above the filter screen (17).

4. A cement grinding and separation device according to claim 1, characterized in that: Support legs (7) are provided at the four corners of the lower end of the box body (6), a discharge port (10) is provided at the lower end of the box body (6), and symmetrically distributed guide plates (8) are provided inside the lower end of the box body (6), and the guide plates (8) are inclined to converge toward the middle.

5. A cement grinding and separation device according to claim 1, characterized in that: A discharge port (4) is provided inside one end of the box body (6), and a conveying plate (5) is provided on an outer wall of one side of the box body (6), wherein the conveying plate (5) is located at the discharge port (4).

6. A cement grinding and separation device according to claim 1, characterized in that: Limiting plates are arranged at both the front and rear ends of the installation frame (9); a sliding sleeve (15) is sleeved on the outer side of the travel plate (14); and the outer wall of the sliding sleeve (15) is connected to the limiting plates.

7. A cement grinding and separation device according to claim 1, characterized in that: The upper end of the slide bar (18) is slidably mounted on the box body (6) through a travel hole, and the upper and lower ends of the second spring (19) are respectively connected to the outer wall of the slide bar (18) and the inner wall of the upper end of the box body (6), and a handle (13) is provided on the upper end of the slide bar (18).

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