Calcium carbonate fine powder grading device

Abstract

The utility model relates to a calcium carbonate fine powder grading device which comprises a top shell connected to the top of a tank body through bolts, an annular edge connected in the top shell through bolts, a conical coarse filter screen fixed on the inner wall of the annular edge, a circular ring fixedly connected in the tank body, a fine filter screen fixedly connected on the circular ring, and a rotatable rotating column arranged in the top shell. One end of the rotating column penetrates through the coarse filter screen, two supports are fixedly connected to the rotating column, springs are fixedly connected to the supports, and elastic balls are fixedly connected to the ends, away from the supports, of the springs. Calcium carbonate powder is put into the device, primary screening can be carried out through a coarse filter screen, then secondary screening is carried out through a fine screen, and therefore the grading screening effect is achieved, a rotating column rotates, so that two elastic balls knock the coarse filter screen and the fine screen correspondingly, and the screening efficiency is improved. Therefore, calcium carbonate powder adhered to the coarse filter screen or the fine filter screen can be knocked off, and the condition that filter holes in the coarse filter screen or the fine filter screen are blocked is avoided.

Description

Technical Field

[0001] The utility model relates to a calcium carbonate powder screening technology, in particular to a calcium carbonate fine powder classification device. Background Art

[0002] When calcium carbonate powder reaches a certain particle size, it is called heavy calcium carbonate. Heavy calcium carbonate, referred to as heavy calcium, is made by grinding natural carbonate minerals such as calcite, marble, and limestone. It is a commonly used powdered inorganic filler. The preparation process requires coarse crushing, fine crushing, and then classification.

[0003] The existing screening of calcium carbonate powder usually relies on the gravity of calcium carbonate itself. However, when the existing screening device is used, the calcium carbonate powder is easy to adhere to the screen, which can easily cause the screen to be blocked, resulting in low screening efficiency. Utility Model Content

[0004] The utility model aims to provide a calcium carbonate fine powder grading device, which is used to solve the problem that the existing calcium carbonate powder is easy to adhere to the screen, which easily causes the screen to be blocked and is inconvenient to discharge the sieved calcium carbonate powder.

[0005] In order to solve the above problems, the utility model provides a calcium carbonate fine powder grading device, including a top shell connected to the top of a tank body by bolts, an annular edge connected inside the top shell by bolts, a conical coarse filter screen is fixed on the inner wall of the annular edge, a circular ring is fixedly connected inside the tank body, a fine filter screen is fixedly connected on the circular ring, a rotatable rotating column is provided in the top shell, one end of the rotating column passes through the coarse filter screen, two supports are fixedly connected to the rotating column, a spring is fixedly connected to the support, an elastic ball is fixedly connected to the end of the spring away from the support, one of the elastic balls is in contact with the surface of the coarse filter screen, and the other elastic ball is in contact with the surface of the fine filter screen.

[0006] The calcium carbonate fine powder classification device provided by the utility model also has the following technical features:

[0007] Furthermore, a plurality of legs are fixedly connected to the bottom of the tank body, and the plurality of legs are arranged in a ring array.

[0008] Furthermore, the bottom of the tank body is fixedly connected with a feed pipe, and a plugging cover is threadedly connected to the feed pipe.

[0009] Furthermore, a feed hole is provided on the top shell, a feed pipe is fixedly connected in the feed hole, and the bottom end of the feed pipe faces the middle of the coarse filter.

[0010] Furthermore, a motor is connected to the upper side of the top shell via bolts, and an output end of the motor is fixedly connected to the top end of the rotating column.

[0011] Furthermore, the fine filter is arranged in an arc shape, and a rolling block is fixedly connected to the bottom end of the rotating column, and the bottom of the rolling block contacts the arc surface of the fine filter.

[0012] Furthermore, a discharge pipe is fixedly connected to the top shell, a laying rod is fixedly connected to the rotating column, a cleaning brush is fixedly connected to one end of the laying rod away from the rotating column, and the lower side of the cleaning brush is in contact with the surface of the annular edge.

[0013] The utility model has the following beneficial effects: by putting calcium carbonate powder into the device, it can be preliminarily screened through a coarse filter, and then screened twice through a fine filter, thereby playing a role of graded screening; by rotating the rotating column, two elastic balls are used to knock the coarse filter and the fine filter respectively, so that the calcium carbonate powder adhered to the coarse filter or the fine filter can be knocked off, thereby avoiding the situation that the filter holes on the coarse filter or the fine filter are blocked, thereby improving the efficiency of graded screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric diagram of an embodiment of the utility model;

[0015] Figure 2 This is a front view cutaway diagram of the embodiment of the utility model after removing the legs;

[0016] Figure 3 A top view cutaway diagram of an embodiment of the utility model;

[0017] Figure 4 For the utility model embodiment Figure 2 Schematic diagram of the structure enlarged at point A in the middle. DETAILED DESCRIPTION

[0018] 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 the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0019] like Figures 1 to 4In the embodiment of the calcium carbonate fine powder classification device of the utility model shown, the calcium carbonate fine powder classification device includes a top shell 2 connected to the top of the tank body 1 by bolts, an annular edge 3 is connected inside the top shell 2 by bolts, a conical coarse filter 4 is fixed to the inner wall of the annular edge 3, a circular ring 5 is fixedly connected inside the tank body 1, a fine filter 6 is fixedly connected to the circular ring 5, a rotatable rotating column 7 is provided in the top shell 2, one end of the rotating column 7 passes through the coarse filter 4, two supports 8 are fixedly connected to the rotating column 7, a spring 9 is fixedly connected to the support 8, and an elastic ball 10 is fixedly connected to the end of the spring 9 away from the support 8, one of the elastic balls 10 is in conflict with the surface of the coarse filter 4, and the other elastic ball 10 is in conflict with the surface of the fine filter 6, and the filter holes provided on the coarse filter 4 are larger than those of the fine filter. 6 has large filter holes. Since both the coarse filter 4 and the fine filter 6 are provided with filter holes, the elastic ball 10 can knock on the coarse filter 4 or the fine filter 6 when moving on the surface of the coarse filter 4 or the fine filter 6. Both the coarse filter 4 and the fine filter 6 can undergo elastic deformation under the knocking. By adding calcium carbonate powder into the device, it can be preliminarily screened through the coarse filter 4 and then screened twice through the fine screen 6, thereby playing a role of graded screening. By rotating the rotating column 7, the two elastic balls 10 knock on the coarse filter 4 and the fine screen 6 respectively, so that the calcium carbonate powder adhering to the coarse filter 4 or the fine screen 6 can be knocked off, thereby avoiding the clogging of the filter holes on the coarse filter 4 or the fine screen 6, thereby improving the efficiency of graded screening.

[0020] In one embodiment of the present application, preferably, a plurality of legs 11 are fixedly connected to the bottom of the tank body 1, and the plurality of legs 11 are arranged in a circular array. The arrangement of the plurality of legs 11 can facilitate the support of the device.

[0021] In one embodiment of the present application, preferably, a feed pipe 12 is fixedly connected to the bottom of the tank body 1, and a plugging cover is threadedly connected to the feed pipe 12. The provision of the feed pipe 12 can facilitate the collection of calcium carbonate powder after secondary screening.

[0022] In one embodiment of the present application, preferably, a feed hole is opened on the top shell 2, and a feed pipe 13 is fixedly connected in the feed hole, and the bottom end of the feed pipe 13 faces the middle of the coarse filter 4. Through the setting of the feed pipe 13, it is convenient to feed, and the calcium carbonate powder can be put into the middle of the coarse filter 4. Since the coarse filter 4 is set in a cone shape, the calcium carbonate powder is scattered from the middle to the surroundings, and the calcium carbonate powder that passes through the coarse filter 4 can enter the fine filter 6 for screening, while the calcium carbonate powder that does not pass through the coarse filter 4 is scattered on the annular edge 3.

[0023] In one embodiment of the present application, preferably, a motor 14 is connected to the upper side of the top shell 2 by bolts, and the output end of the motor 14 is fixedly connected to the top end of the rotating column 7, and the rotating column 7 can be driven to rotate by starting the motor 14.

[0024] In one embodiment of the present application, preferably, the fine filter 6 is arranged in an arc shape, and a rolling block 15 is fixedly connected to the bottom end of the rotating column 7, and the bottom of the rolling block 15 contacts the arc surface of the fine filter 6. The fine filter 6 is arranged in an arc shape, so that the calcium carbonate powder passing through the fine screen 6 can be discharged through the discharge pipe 12, and the calcium carbonate powder that does not pass through the fine screen 6 can gather at the bottom of the fine filter 6. The rotation of the rotating column 7 can drive the rolling block 15 to grind the calcium carbonate powder gathered at the bottom of the fine filter 6, so that it meets the filtering requirements of the fine screen 6, and the partially deposited calcium carbonate powder that cannot be ground can be cleaned by disassembling the top shell 2.

[0025] In one embodiment of the present application, preferably, a discharge pipe 16 is fixedly connected to the top shell 2, a laying rod 17 is fixedly connected to the rotating column 7, and a cleaning brush 18 is fixedly connected to the end of the laying rod 17 away from the rotating column 7, and the lower side of the cleaning brush 18 is in contact with the surface of the annular edge 3. The rotation of the rotating column 7 can drive the laying rod 17 and the cleaning brush 18 to rotate, and the rotation of the cleaning brush 18 can drive the calcium carbonate powder on the annular edge 3 to move, so that the calcium carbonate powder on the annular edge 3 can be discharged through the discharge pipe 16.

[0026] When the utility model is in use, the calcium carbonate powder can be fed into the middle of the coarse filter 4 through the feed pipe 13. Since the coarse filter 4 is set in a conical shape, the calcium carbonate powder is scattered from the middle to the surroundings, and the calcium carbonate powder that passes through the coarse filter 4 can enter the fine filter 6 for screening, while the calcium carbonate powder that does not pass through the coarse filter 4 is scattered on the annular edge 3. The starting motor 14 drives the rotating column 7 to rotate. The rotation of the rotating column 7 can drive the laying rod 17 and the cleaning brush 18 to rotate. The rotation of the cleaning brush 18 can drive the calcium carbonate powder on the annular edge 3 to move, so that the calcium carbonate powder on the annular edge 3 can be discharged through the discharge pipe 16. The fine filter 6 is set in an arc shape, so that the calcium carbonate powder that passes through the fine screen 6 can be discharged through the discharge pipe 12, and the calcium carbonate powder that does not pass through the fine screen 6 can be discharged through the discharge pipe 12. The calcium carbonate powder can gather at the bottom of the fine filter 6, and the rotation of the rotating column 7 can drive the rolling block 15 to grind the calcium carbonate powder gathered at the bottom of the fine filter 6, so that it meets the filtering requirements of the fine screen 6, and the partially deposited calcium carbonate powder that cannot be ground can be cleaned by disassembling the top shell 2, and can be preliminarily screened through the coarse filter 4, and then secondary screened through the fine screen 6, thereby playing a role of graded screening, and by rotating the rotating column 7, the two elastic balls 10 respectively knock on the coarse filter 4 and the fine screen 6, so that the calcium carbonate powder adhering to the coarse filter 4 or the fine screen 6 can be knocked off, thereby avoiding the clogging of the filter holes on the coarse filter 4 or the fine screen 6, thereby improving the efficiency of graded screening.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model 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 utility model.

Claims

1. A calcium carbonate fine powder classification device, comprising a top shell (2) connected to the top of a tank body (1) by bolts, characterized in that: The top shell (2) is connected with an annular rim (3) by bolts, and a conical coarse filter (4) is fixed to the inner wall of the annular rim (3). A circular ring (5) is fixedly connected to the tank body (1), and a fine filter (6) is fixedly connected to the circular ring (5). A rotatable rotating column (7) is provided in the top shell (2), and one end of the rotating column (7) passes through the coarse filter (4). Two supports (8) are fixedly connected to the rotating column (7), and a spring (9) is fixedly connected to the support (8). An elastic ball (10) is fixedly connected to the end of the spring (9) away from the support (8), and one of the elastic balls (10) contacts the surface of the coarse filter (4), and the other elastic ball (10) contacts the surface of the fine filter (6).

2. The calcium carbonate fine powder classification device according to claim 1, characterized in that: A plurality of supporting legs (11) are fixedly connected to the bottom of the tank body (1), and the plurality of supporting legs (11) are arranged in a ring array.

3. The calcium carbonate fine powder classification device according to claim 1, characterized in that: The bottom of the tank body (1) is fixedly connected to a feed pipe (12), and a plugging cover is threadedly connected to the feed pipe (12).

4. The calcium carbonate fine powder classification device according to claim 3, characterized in that: The top shell (2) is provided with a feed hole, and a feed pipe (13) is fixedly connected to the feed hole, with the bottom end of the feed pipe (13) facing the middle of the coarse filter (4).

5. The calcium carbonate fine powder classification device according to claim 1, characterized in that: The upper side of the top shell (2) is connected to a motor (14) via bolts, and the output end of the motor (14) is fixedly connected to the top end of the rotating column (7).

6. The calcium carbonate fine powder classification device according to claim 1, characterized in that: The fine filter (6) is arranged in an arc shape, and a rolling block (15) is fixedly connected to the bottom end of the rotating column (7), and the bottom of the rolling block (15) contacts the arc surface of the fine filter (6).

7. The calcium carbonate fine powder classification device according to claim 1, characterized in that: The top shell (2) is fixedly connected to a discharge pipe (16), the rotating column (7) is fixedly connected to a laying rod (17), and one end of the laying rod (17) away from the rotating column (7) is fixedly connected to a cleaning brush (18), and the lower side of the cleaning brush (18) is in contact with the surface of the annular edge (3).

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