Powder concentrator for cement production

Abstract

The utility model discloses a powder concentrator for cement production, which comprises a shell, a filter screen, an upper cover, a first motor and a material dispersing device, a material collecting disc and a filter screen are sequentially arranged in the shell from bottom to top, the lower end of the filter screen penetrates through the material collecting disc and extends to the lower end, and the material collecting disc is rotationally arranged in the shell; the upper cover is arranged at the upper end opening of the shell, a material dispersing device is vertically and rotationally arranged in the upper cover, and a material dispersing disc located in the shell and located above the filter screen is arranged in the material dispersing device; a feeding hopper is fixedly arranged in the upper cover, one end of the feeding hopper extends into the shell and is provided with an outlet, the outlet is formed above the material scattering disc, and an anti-blocking wheel is arranged in the outlet. Through the arrangement of the material collecting disc, the filter screen and the material dispersing disc, cement can be uniformly splashed on the filter screen through the material dispersing disc, the cement is filtered into particles with different thicknesses, the particles are discharged according to different discharging ports, and the cement is effectively classified according to different particle sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of powder classifiers, in particular to a powder classifier for cement production. Background Art

[0002] Powder classifiers are widely used in coal mills, raw material intermediate drying mills and cement mill systems in new dry process cement production lines. They can be divided into three categories: three-separation powder classifiers, centrifugal powder classifiers and cyclone powder classifiers. In the cement production process, the powder classifier is mainly used to separate cement into different coarse and fine particles for different scenarios.

[0003] In the prior art, the utility model patent with patent number CN202320611707.0 discloses a cement powder selection machine, which specifically relates to the technical field of powder selection machines, including a box, a rolling mechanism for rolling cement is provided inside the box, a driving mechanism for driving the rolling mechanism is provided on the right side of the rolling mechanism, a filter plate for filtering cement is provided at the bottom of the rolling mechanism, a vibration mechanism for driving the filter plate to vibrate up and down is provided at the bottom of the filter plate, and a conveying mechanism for conveying large-particle cement is provided on the left side of the box. This cement powder selection machine starts the first motor to make the rolling roller roll the large-particle cement in the cement, preventing the large-particle cement from clogging the filter plate and reducing the work efficiency. At the same time, the filtered large-particle cement is transmitted upward by the spiral conveying rod, and the large-particle cement is conveyed to the inside of the box through the conveying pipe for re-rolling until the large-particle cement is crushed, so that there is no need to use a crusher for secondary crushing, which reduces labor and production costs.

[0004] The above patent is a cement powder classifier, which crushes the large blocks of cement by a rolling roller and then filters the cement through a filter plate. However, the cement powder classifier in the above patent does not realize the classification of cement and cannot distinguish cements of different particles; further improvement is needed. Utility Model Content

[0005] The utility model aims to provide a powder classifier for cement production, aiming to improve the problem that the existing cement powder classifier only crushes the agglomerated structure in cement but fails to effectively classify cement according to different particle sizes.

[0006] The present utility model is realized as follows: A powder separator for cement production includes a housing and a filter screen, and further includes an upper cover, a first motor and a material scattering device; an aggregate tray and a filter screen are sequentially arranged inside the housing from bottom to top, the lower end of the filter screen passes through the aggregate tray and extends to the lower end, and the aggregate tray is rotatably arranged inside the housing; the upper cover is arranged at the upper port of the housing, a material scattering device is vertically and rotatably arranged in the upper cover, and a material scattering tray located inside the housing and above the filter screen is arranged in the material scattering device; a feed hopper is fixedly arranged in the upper cover, one end of the feed hopper extends to the inside of the housing and is provided with an outlet, the outlet is arranged above the material scattering tray, and an anti-blocking wheel is arranged inside.

[0007] Preferably, the housing includes an installation table, a rotating groove and support legs; an installation table is arranged inside the upper port of the housing, and the filter screen is seated on the installation table; a rotating groove is arranged inside the lower port of the housing, and the aggregate tray is rotatably arranged in the rotating groove; a plurality of support legs are sequentially arranged on the outer side of the housing along its circumferential direction.

[0008] Preferably, the filter screen includes a limit block, a discharge port and a filtering inclined surface; a limit block is fixedly arranged on the outer side of the upper port of the filter screen, and the filter screen is seated in the installation table through the limit block; the filter screen is of a funnel structure, a filtering inclined surface is arranged in the middle, a second discharge port is arranged at the lower end of the filter screen, a through hole is vertically arranged on the aggregate tray, and the second discharge port is inserted into the through hole.

[0009] Preferably, the aggregate tray includes a fixed gear, a material guiding inclined surface and aggregate rods; a material guiding inclined surface is arranged on the upper end surface of the aggregate tray, a plurality of aggregate rods are sequentially arranged on the upper surface of the material guiding inclined surface along its circumferential direction, and one end of each aggregate rod is located at the center position; a fixed gear is fixedly arranged on the lower end surface of the aggregate tray, a first motor is fixedly arranged at the lower end of the housing, a driving gear is arranged on the output shaft of the first motor, and the driving gear is meshed with the fixed gear.

[0010] Preferably, a first discharge port is arranged on the side surface of the housing, and the first discharge port is adapted to the material guiding inclined surface.

[0011] Preferably, the upper cover includes an installation hole and installation rods, an installation hole is arranged at the upper end of the upper cover, the material scattering device is rotatably arranged in the installation hole, a plurality of installation rods are sequentially arranged on the lower end surface of the upper cover along its circumferential direction, installation rods are arranged at positions corresponding to the installation rods on the upper end surface of the housing one by one, and the upper cover is installed on the housing through the installation rods.

[0012] Preferably, the bulk material device includes a bulk material tray, a dividing rod and a connecting shaft; the lower end of the connecting shaft is fixedly installed with a bulk material tray, and a plurality of dividing rods are sequentially arranged on the upper end surface of the bulk material tray along its circumferential direction, and one end of the dividing rod is centrally arranged at the center position; the upper end of the connecting shaft extends above the upper cover to connect the third motor.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. By providing an aggregate tray, a filter screen and a bulk material tray, the present invention can evenly sprinkle cement on the filter screen through the bulk material tray, filter the cement into particles of different thicknesses, and discharge them according to different discharge ports, effectively classifying the cement according to different particle sizes.

[0015] 2. By providing an anti-blocking wheel, a filter plate and a vibrator in the feed hopper, the present invention prevents the feed hopper from being blocked during the filling process, affecting the normal operation of the powder selection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic side sectional structure view of the present invention;

[0017] Figure 2 is a schematic structure view of the housing of the present invention;

[0018] Figure 3 is a schematic structure view of the upper cover of the present invention;

[0019] Figure 4 is the present invention Figure 3 a schematic structure view of part A therein;

[0020] Figure 5 is the present invention Figure 3 a schematic structure view of part B therein;

[0021] Figure 6 is a schematic internal structure view of the feed hopper of the present invention;

[0022] Figure 7 is a schematic bottom structure view of the housing of the present invention;

[0023] Figure 8 is a schematic structure view of the filter screen of the present invention;

[0024] Figure 9 is a schematic structure view of the bulk material device of the present invention.

[0025] In the figure: 1. Housing; 101. Installation platform; 102. First discharge port; 103. Rotation groove; 104. Support leg; 2. Upper cover; 201. Installation hole; 202. Installation rod; 3. Feed hopper; 301. Outlet; 302. Second motor; 303. Anti-blocking wheel; 304. Rear cover; 305. Rotation rod; 306. Locking rod; 307. Filter plate; 308. Vibrator; 4. First motor; 401. Driving gear; 5. Aggregate tray; 501. Through hole; 502. Fixed gear; 503. Guide material slope; 504. Aggregate rod; 6. Filter net; 601. Limit block; 602. Second discharge port; 603. Filter slope; 7. Scattering device; 701. Scattering tray; 702. Branch rod; 703. Connecting shaft; 8. Third motor. Detailed implementation mode

[0026] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation" and other terms shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] The following will be further described in conjunction with the accompanying drawings and specific embodiments:

[0028] Embodiment 1

[0029] As Figure 1 、 Figure 2 And Figure 3As shown in the figure, a classifier for cement production includes a housing 1 and a filter screen 6, and further includes an upper cover 2, a first motor 4 and a material scattering device 7. Inside the housing 1, an aggregate tray 5 and a filter screen 6 are sequentially arranged from bottom to top. The cement can be filtered through the filter screen 6, and the filtered cement can be conveniently pushed and concentrated through the aggregate tray 5. The lower end of the filter screen 6 extends through the aggregate tray 5 to the lower end. The aggregate tray 5 is rotatably arranged in the housing 1. The aggregate tray 5 includes a fixed gear 502, a material guiding inclined surface 503 and aggregate rods 504. A material guiding inclined surface 503 is arranged on the upper end surface of the aggregate tray 5. By setting the inclined material guiding inclined surface 503, the cement can slide downward. A plurality of aggregate rods 504 are sequentially arranged on the upper surface of the material guiding inclined surface 503 along its circumferential direction. One end of each aggregate rod 504 is located at the center position. The aggregate rods 504 can drive the cement to move and rotate, and gradually concentrate the cement during the rotation. A first discharge port 102 is arranged on the side surface of the housing 1. The first discharge port 102 is adapted to the material guiding inclined surface 503. By setting the first discharge port 102, the cement on the material guiding inclined surface 503 can be discharged from the first discharge port 102. A fixed gear 502 is fixedly arranged on the lower end surface of the aggregate tray 5. A first motor 4 is fixedly arranged at the lower end of the housing 1. A driving gear 401 is arranged on the output shaft of the first motor 4. The driving gear 401 meshes with the fixed gear 502. By setting the fixed gear 502, the first motor 4 and the driving gear 401, the aggregate tray 5 can be driven by the first motor 4. The upper cover 2 is arranged at the upper port of the housing 1. A material scattering device 7 is vertically and rotatably arranged in the upper cover 2. A material scattering tray 701 located inside the housing 1 and above the filter screen 6 is arranged in the material scattering device 7. The upper cover 2 includes a mounting hole 201 and mounting rods 202. A mounting hole 201 is arranged at the upper end of the upper cover 2. The material scattering device 7 is rotatably arranged in the mounting hole 201. A plurality of mounting rods 202 are sequentially arranged on the lower end surface of the upper cover 2 along its circumferential direction. Mounting rods 202 are arranged at positions corresponding to the mounting rods 202 on the upper end surface of the housing 1 one by one. The upper cover 2 is mounted on the housing 1 through the mounting rods 202. The housing 1 includes a mounting table 101, a rotating groove 103 and support legs 104. By setting the upper cover 2, the material scattering device 7 can be rotatably mounted on the upper cover 2, and then the material scattering device 7 can be disassembled through the upper cover 2. At the same time, after the upper cover 2 is disassembled, the filter screen 6 can be taken out of the housing 1, which is convenient for replacement.

[0030] As Figure 2 , Figure 7 and Figure 8As shown in the figure, an installation table 101 is provided inside the upper port of the housing 1, and the filter screen 6 is seated on the installation table 101. The filter screen 6 includes a limit block 601, a second discharge port 602, and a filtering inclined surface 603. A limit block 601 is fixedly provided on the outer side of the upper port of the filter screen 6. The filter screen 6 is seated in the installation table 101 through the limit block 601. By providing the installation table 101 and then seating the filter screen 6 inside the housing 1, it is convenient to disassemble and replace the filter screen 6. The filter screen 6 is of a funnel structure, and a filtering inclined surface 603 is provided in the middle. By providing the filtering inclined surface 603, when cement is spilled on the filtering inclined surface 603, the cement can slide on the filtering inclined surface 603, enabling the cement to be fully filtered through the filter screen 6. A second discharge port 602 is provided at the lower end of the filter screen 6. A through hole 501 is vertically provided on the aggregate tray 5, and the second discharge port 602 is inserted into the through hole 501. By providing the second discharge port 602, it is convenient for the filtered cement to be discharged through the second discharge port 602. A rotating groove 103 is provided inside the lower port of the housing 1, and the aggregate tray 5 is rotatably provided in the rotating groove 103. A plurality of support legs 104 are sequentially provided on the outer side of the housing 1 along its circumferential direction.

[0031] As Figures 4 - 6 and Figure 9 shown in the figure, the bulk material device 7 includes a bulk material tray 701, a dividing rod 702, and a connecting shaft 703. A bulk material tray 701 is fixedly installed at the lower end of the connecting shaft 703. A plurality of dividing rods 702 are sequentially provided on the upper end surface of the bulk material tray 701 along its circumferential direction, and one ends of the dividing rods 702 are concentrated at the center position. The upper end of the connecting shaft 703 extends above the upper cover 2 to connect the third motor 8. A feed hopper 3 is fixedly provided in the upper cover 2. One end of the feed hopper 3 extends into the housing 1 and is provided with an outlet 301. The outlet 301 is provided above the bulk material tray 701 and is internally provided with an anti-blocking wheel 303. The feed hopper 3 includes a second motor 302 and a rear cover 304. A filter plate 307 is provided inside the feed inlet of the feed hopper 3, and a vibrator 308 is provided on the filter plate 307. A second motor 302 is fixedly provided on the side of the outlet 301 of the feed hopper 3, and the output shaft of the second motor 302 extends into the outlet 301 and is fixedly connected to the anti-blocking wheel 303. A rear cover 304 is rotatably provided on the lower side of the feed inlet of the feed hopper 3. One end of a rotating rod 305 is rotatably provided on the side of the rear cover 304, and the other end extends to the side of the feed hopper 3. A locking rod 306 adapted to the rotating rod 305 is provided on the side of the feed hopper 3, and the rotating rod 305 is clamped on the locking rod 306.

[0032] Example 2

[0033] As Figure 1 , Figure 2 and Figure 3As shown in the figure, a powder separator for cement production includes a housing 1 and a filter screen 6, and also includes an upper cover 2, a first motor 4 and a material scattering device 7. Inside the housing 1, an aggregate tray 5 and a filter screen 6 are arranged in sequence from bottom to top. The lower end of the filter screen 6 passes through the aggregate tray 5 and extends to the lower end. The aggregate tray 5 is rotatably arranged in the housing 1. The aggregate tray 5 includes a fixed gear 502, a material guiding inclined surface 503 and aggregate rods 504. A material guiding inclined surface 503 is arranged on the upper end surface of the aggregate tray 5. Along the circumferential direction of the upper surface of the material guiding inclined surface 503, a plurality of aggregate rods 504 are arranged in sequence. One end of each aggregate rod 504 is located at the center position. A first discharge port 102 is arranged on the side surface of the housing 1, and the first discharge port 102 is adapted to the material guiding inclined surface 503. A fixed gear 502 is fixedly arranged on the lower end surface of the aggregate tray 5. A first motor 4 is fixedly arranged at the lower end of the housing 1. A driving gear 401 is arranged on the output shaft of the first motor 4, and the driving gear 401 meshes with the fixed gear 502. The upper cover 2 is arranged at the upper port of the housing 1. A material scattering device 7 is vertically and rotatably arranged in the upper cover 2. A material scattering tray 701 located inside the housing 1 and above the filter screen 6 is arranged in the material scattering device 7. The upper cover 2 includes a mounting hole 201 and mounting rods 202. A mounting hole 201 is arranged at the upper end of the upper cover 2. The material scattering device 7 is rotatably arranged in the mounting hole 201. Along the circumferential direction of the lower end surface of the upper cover 2, a plurality of mounting rods 202 are arranged in sequence. At the positions corresponding to the mounting rods 202 one by one on the upper end surface of the housing 1, there are mounting rods 202. The upper cover 2 is mounted on the housing 1 through the mounting rods 202. The housing 1 includes a mounting table 101, a rotating groove 103 and support legs 104.

[0034] As Figure 2 , Figure 7 and Figure 8 shown, an inner side of the upper port of the housing 1 is provided with a mounting table 101. The filter screen 6 is seated on the mounting table 101. The filter screen 6 includes a limit block 601, a second discharge port 602 and a filtering inclined surface 603. A limit block 601 is fixedly arranged on the outer side of the upper port of the filter screen 6. The filter screen 6 is seated in the mounting table 101 through the limit block 601. The filter screen 6 is of a funnel structure, with a filtering inclined surface 603 arranged in the middle. A second discharge port 602 is arranged at the lower end of the filter screen 6. A through hole 501 is vertically arranged on the aggregate tray 5, and the second discharge port 602 is inserted into the through hole 501. An inner side of the lower port of the housing 1 is provided with a rotating groove 103, and the aggregate tray 5 is rotatably arranged in the rotating groove 103. A plurality of support legs 104 are arranged in sequence along the circumferential direction on the outer side of the housing 1.

[0035] As Figures 4 - 6 and Figure 9As shown in the figure, the bulk material device 7 includes a bulk material tray 701, a dividing rod 702 and a connecting shaft 703; the lower end of the connecting shaft 703 is fixedly installed with a bulk material tray 701, and a plurality of dividing rods 702 are sequentially arranged along the circumferential direction of the upper end surface of the bulk material tray 701, and one end of the dividing rod 702 is centrally arranged at the center position; the upper end of the connecting shaft 703 extends above the upper cover 2 to connect the third motor 8; a feed hopper 3 is fixedly arranged in the upper cover 2, one end of the feed hopper 3 extends into the interior of the housing 1 and is provided with an outlet 301, the outlet 301 is arranged above the bulk material tray 701, and an anti-blocking wheel 303 is arranged inside, the feed hopper 3 includes a second motor 302 and a rear cover 304, a filter plate 307 is arranged inside the feed inlet of the feed hopper 3, and a vibrator 308 is arranged on the filter plate 307; a second motor 302 is fixedly arranged on the side of the outlet 301 of the feed hopper 3, and the output shaft of the second motor 302 extends into the outlet 301 and is fixedly connected to the anti-blocking wheel 303; a rear cover 304 is rotatably arranged on the lower side of the feed inlet of the feed hopper 3, one end of a rotating rod 305 is rotatably arranged on the side of the rear cover 304, and the other end extends to the side of the feed hopper 3, and a locking rod 306 adapted to the rotating rod 305 is arranged on the side of the feed hopper 3, and the rotating rod 305 is clamped on the locking rod 306.

[0036] The working principle of the present invention: The cement to be separated by powder is put in through the feed hopper 3, the cement is filtered through the filter plate 307 in the feed hopper 3, and at the same time, it is shaken by the vibrator 308, so that the cement can smoothly pass through the filter plate 307, and then the anti-blocking wheel 303 in the feed hopper 3 rotates to push the cement in the feed hopper 3 into the bulk material tray 701 inside the housing 1, and then the third motor 8 drives the connecting shaft 703 to rotate, and at the same time, the connecting shaft 703 drives the bulk material tray 701 to rotate, and the cement on the bulk material tray 701 is splashed on the filtering inclined surface of the filter net 6. At the same time, the bulk material tray 701 is provided with dividing rods 702 to evenly disperse the cement, and then the cement is filtered into two types by the filter net 6. The coarse particles flow out through the second discharge port 602 in the filter net 6, and then the cement filtered by the filter net 6 is filtered onto the aggregate tray 5. Then the aggregate tray 5 rotates through the first motor 4, and at the same time, the aggregate rods 504 arranged on the aggregate tray 5 gradually push the cement into the first discharge port 102 and discharge it through the first discharge port 102.

[0037] To sum up, the present invention can evenly splash the cement on the filter net 6 through the bulk material tray 701 by setting the aggregate tray 5, the filter net 6 and the bulk material tray 701, filter the cement into particles of different thicknesses, and discharge them according to different discharge ports, effectively classifying the cement according to different particle sizes; by setting the anti-blocking wheel 303, the filter plate 307 and the vibrator 308 in the feed hopper 3, it is possible to prevent the feed hopper 3 from being blocked during the filling process, affecting the normal progress of the powder separation work.

[0038] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various modifications and variations can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A powder classifier for cement production, comprising a housing (1) and a filter screen (6), characterized in that: The invention also comprises an upper cover (2), a first motor (4) and a bulking device (7); a collecting plate (5) and a filter screen (6) are arranged in sequence from bottom to top inside the shell (1); the lower end of the filter screen (6) passes through the collecting plate (5) and extends to the lower end; the collecting plate (5) is rotatably arranged inside the shell (1); the upper cover (2) is arranged at the upper port of the shell (1); a bulking device (7) is vertically and rotatably arranged in the upper cover (2); a bulking plate (701) is arranged inside the shell (1) and above the filter screen (6); a feed hopper (3) is fixedly arranged in the upper cover (2); one end of the feed hopper (3) extends to the inside of the shell (1) and is provided with an outlet (301); the outlet (301) is arranged above the bulking plate (701) and is provided with an anti-blocking wheel (303) inside.

2. A powder classifier for cement production according to claim 1, characterized in that: The shell (1) comprises a mounting platform (101), a rotating groove (103) and supporting legs (104); the mounting platform (101) is arranged on the inner side of the upper port of the shell (1), and the filter screen (6) is seated on the mounting platform (101); the rotating groove (103) is arranged on the inner side of the lower port of the shell (1), and the collecting plate (5) is rotatably arranged in the rotating groove (103); and a plurality of supporting legs (104) are arranged in sequence on the outer side of the shell (1) along its circumferential direction.

3. A powder classifier for cement production according to claim 2, characterized in that: The filter screen (6) comprises a limit block (601), a second discharge port (602) and a filtering slope (603); a limit block (601) is fixedly arranged on the outer side of the upper port of the filter screen (6), and the filter screen (6) is seated in the mounting platform (101) through the limit block (601); the filter screen (6) is a funnel structure, and a filtering slope (603) is arranged in the middle, and a second discharge port (602) is arranged at the lower end of the filter screen (6); a through hole (501) is vertically arranged on the collecting plate (5), and the second discharge port (602) is inserted in the through hole (501).

4. A powder classifier for cement production according to claim 1, characterized in that: The material collecting plate (5) comprises a fixed gear (502), a material guiding slope (503) and a material collecting rod (504); the upper end surface of the material collecting plate (5) is provided with a material guiding slope (503), and the upper surface of the material guiding slope (503) is provided with a plurality of material collecting rods (504) in sequence along its circumferential direction, and one end of each of the material collecting rods (504) is located at the center of the circle; the lower end surface of the material collecting plate (5) is fixedly provided with a fixed gear (502), and the lower end of the housing (1) is fixedly provided with a first motor (4), and an active gear (401) is provided on the output shaft of the first motor (4), and the active gear (401) and the fixed gear (502) are meshed with each other.

5. A powder classifier for cement production according to claim 4, characterized in that: A first discharge port (102) is provided on the side of the shell (1), and the first discharge port (102) is matched with the material guiding inclined surface (503).

6. A powder classifier for cement production according to claim 1, characterized in that: The upper cover (2) comprises a mounting hole (201) and a mounting rod (202); the upper end of the upper cover (2) is provided with a mounting hole (201); the bulking device (7) is rotatably arranged in the mounting hole (201); a plurality of mounting rods (202) are sequentially arranged on the lower end surface of the upper cover (2) along its circumferential direction; mounting rods (202) are arranged at positions corresponding to the upper end surface of the shell (1) and the mounting rods (202); and the upper cover (2) is mounted on the shell (1) via the mounting rods (202).

7. A powder classifier for cement production according to claim 6, characterized in that: The bulking device (7) comprises a bulking disc (701), a branch rod (702) and a connecting shaft (703); the bulking disc (701) is fixedly mounted on the lower end of the connecting shaft (703); a plurality of branch rods (702) are sequentially arranged on the upper end surface of the bulking disc (701) along its circumferential direction, and one end of the branch rods (702) is centrally arranged at the center of the circle; the upper end of the connecting shaft (703) extends to the upper side of the upper cover (2) to connect to the third motor (8).

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