CN113560161B - A screening plant for ceramic raw materials - Google Patents
A screening plant for ceramic raw materials Download PDFInfo
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- CN113560161B CN113560161B CN202111125180.2A CN202111125180A CN113560161B CN 113560161 B CN113560161 B CN 113560161B CN 202111125180 A CN202111125180 A CN 202111125180A CN 113560161 B CN113560161 B CN 113560161B
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- screening
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- raw materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4636—Regulation of screen apertures
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a screening device for ceramic raw materials, which comprises a screening unit and a collecting unit, wherein the screening unit comprises a screening cabinet and a screening component arranged in the screening cabinet, the screening component divides the screening cabinet into an upper-layer accommodating space and a lower-layer accommodating space, the screening component comprises two screen discs which move relatively, and a plurality of screen holes are formed in the screen discs; the collecting unit is connected with the screening unit and comprises a collecting box, a first connecting channel arranged between the collecting box and the upper layer accommodating space and a first negative pressure machine arranged on one side of the collecting box. The screening device for the ceramic raw materials provided by the invention utilizes the relative rotation of the two sieve trays to form the required sieve pore size so as to gradually separate the ceramic raw materials; the raw materials screened by the screening disc are collected by a corresponding negative pressure machine; and the filtered raw material returns to the sieve tray through the circulating component to be repeatedly and gradually separated.
Description
Technical Field
The invention relates to the technical field of screening, in particular to a screening device for ceramic raw materials.
Background
The ceramic is a handicraft prepared by taking two clays with different properties, namely argil and china clay, as raw materials and performing the process flows of proportioning, forming, drying, roasting and the like, the ceramic raw materials need to be screened before the ceramic raw materials are proportioned, and tiny ceramic raw materials are left for use.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme: a screening device for ceramic raw materials comprises a screening unit and a collecting unit, wherein the screening unit comprises a screening cabinet and a screening component arranged in the screening cabinet, the screening component divides the screening cabinet into an upper-layer accommodating space and a lower-layer accommodating space, the screening component comprises screening disks and gear sets arranged between the screening disks, the two screening disks move relatively, and a plurality of screen holes are formed in the screening disks; the collecting unit is connected with the screening unit and comprises a collecting box, a first connecting channel arranged between the collecting box and the upper-layer containing space, a first negative pressure machine arranged on one side of the collecting box and a filtering piece arranged between the collecting box and the first negative pressure machine.
As a preferable scheme of the screening device for ceramic raw materials, the screening unit further includes a second connecting channel disposed between the upper-layer accommodating space and the lower-layer accommodating space, and a second negative pressure machine disposed between the second connecting channel and the screening tray, and a flip cover is disposed at a contact position of the second connecting channel and the second negative pressure machine.
As a preferable scheme of the screening device for ceramic raw materials, the screening assembly further comprises a gear set, and the gear set comprises a first gear, a second gear meshed with the first gear and a third gear meshed with the second gear.
As a preferable mode of the screening device for ceramic raw materials according to the present invention, the first connection channel includes a main connection channel and a plurality of sub-connection channels connected to the main connection channel.
As a preferable mode of the screening device for ceramic raw materials according to the present invention, the collecting unit further includes a first valve disposed in the main connection passage.
As a preferable aspect of the screening device for ceramic raw materials of the present invention, the collection unit further includes a second valve disposed in the secondary connection passage.
As a preferable mode of the screening device for ceramic raw materials of the present invention, the collection box is provided in plurality.
In a preferred embodiment of the screening device for ceramic raw materials according to the present invention, the first negative pressure machine is provided in plurality.
In a preferred embodiment of the screening device for ceramic raw materials according to the present invention, the first valve is an electrically controlled valve.
As a preferable mode of the screening device for ceramic raw materials according to the present invention, the second valve employs an electric control valve.
The invention has the beneficial effects that: the screening device for the ceramic raw materials utilizes the relative rotation of the two screen trays to form the required screen hole size to gradually separate the ceramic raw materials; the raw materials screened by the screening disc are collected by a corresponding negative pressure machine; and returning the filtered raw materials to the sieve tray through the circulating component for repeated step-by-step separation.
Drawings
Fig. 1 is a structural view of a sieving apparatus for ceramic raw materials.
Fig. 2 is a schematic view of the working positions of the screen holes of the screening device for ceramic raw materials.
FIG. 3 is a block diagram of screen assemblies of a screen apparatus for ceramic feedstock.
Figure 4 is a partial view of a screening unit of a screening device for ceramic raw materials.
Figure 5 is a cross-sectional view of a screening device for ceramic feedstock.
In the figure: a sieving unit 100; a screening cabinet 101; an upper layer accommodating space M1; a lower accommodating space M2; screen assemblies 102; a sieve tray 102 a; gear set 102 b; first gear 102 b-1; a second gear 102 b-2; a third gear 102 b-3; mesh 102 a-1; a second connecting passage 103; a second negative pressure machine 104; a flip cover 105; a collection unit 200; a collection box 201; a first connecting channel 202; a main connection channel 202 a; a secondary connecting passage 202 b; a first negative pressure machine 203; a filter element 204; a first valve 205; a second valve 206.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides a screening apparatus for ceramic raw materials, which includes a screening unit 100 and a collecting unit 200.
The screening unit 100 comprises a screening cabinet 101 and screening components 102 arranged in the screening cabinet 101, wherein the screening cabinet 101 is divided into an upper layer accommodating space M1 and a lower layer accommodating space M2 by the screening components 102, ceramic raw materials to be screened are placed in the upper layer accommodating space M1, and residual ceramic raw materials after screening are placed in the lower layer accommodating space M2.
The screening assembly 102 comprises two screening discs 102a which move relatively, a plurality of screening holes 102a-1 are arranged on the screening discs 102a, the screening discs 102a are designed into a shape of a circular disc, the two screening discs 102a move relatively, the relative movement can be that the two screening discs 102a rotate in the same direction, wherein the rotation speed of one screening disc 102a is faster, and the rotation speed of one screening disc 102a is slower, so that the screening holes 102a-1 on the two screening discs 102a are staggered; or the two sieve trays 102a rotate in opposite directions, and the rotation speeds of the two sieve trays 102a are the same, so that the sieve holes 102a-1 on the two sieve trays 102a are staggered; the relative movement is not limited, and the screen holes 102a-1 on the two screen trays 102a can be staggered. In this embodiment, taking the arrangement of two sieve trays 102a as an example, the gear set 102b is used to rotate the two sieve trays 102a by an angle α 1, and at this time, the corresponding sieve holes 102a-1 on the two sieve trays 102a are in an intersecting position relationship, referring to fig. 2, the centers of the two sieve holes 102a-1 are on two sides of a common chord, and are arranged on a connecting line O1O2, the linear distance of the adjacent arc edge is d1, and if the diameter of the ceramic raw material is greater than d1, the ceramic raw material is left in the upper-layer accommodating space M1; if the diameter of the ceramic raw material is smaller than d1, the ceramic raw material falls into the lower-layer accommodating space M2; the rotation angles alpha are different, the corresponding linear distances d of the adjacent arc edges are also different, namely the rotation angles are alpha 1, alpha 2, alpha 3, alpha 4 and alpha 5 … …, the linear distances of the adjacent arc edges are d1, d2, d3, d4 and d5 … …, and further, the ceramic raw materials with different diameters are screened by rotating different angles.
The collecting unit 200 is connected with the sieving unit 100, and comprises a collecting box 201, a first connecting channel 202 arranged between the collecting box 201 and the upper layer accommodating space M1, a first negative pressure machine 203 arranged on one side of the collecting box 201, and a filtering piece 204 arranged between the collecting box 201 and the first negative pressure machine 203, wherein when the ceramic raw material to be sieved is sieved by the sieving assembly 102, the sieved ceramic raw material left in the upper layer accommodating space M1 is sucked into the collecting box 201 through the first connecting channel 202 by the first negative pressure machine 203, and the screened ceramic raw material is effectively prevented from entering the first negative pressure machine 203 due to the arrangement of the filtering piece 204.
When in use, the two sieve trays 102a are rotated by the gear set 102b by an angle α 1, the straight line distance adjacent to the arc edge is d1, and the ceramic raw material is placed in the upper layer accommodating space M1 of the sieving cabinet 101 and is left in the upper layer accommodating space M1 if the diameter of the ceramic raw material is larger than d 1; if the diameter of the ceramic raw material is smaller than d1, the ceramic raw material falls into the lower layer accommodating space M2; the screened ceramic raw material left in the upper layer containing space M1 is sucked into the collecting box 201 through the first connecting channel 202 by using a suction force given to the screened ceramic raw material by the first negative pressure machine 203, and due to the arrangement of the filtering member 204, the risk that the screened ceramic raw material enters the first negative pressure machine 203 is effectively prevented.
Example 2
Referring to fig. 3 and 4, a second embodiment of the present invention is based on the first embodiment.
Specifically, screen assemblies 102 also include a gear set 102b, shown enlarged in figure 3, where there is not such a wide distance in practice, where gear set 102b includes a first gear 102b-1, a second gear 102b-2 meshing with first gear 102b-1, and a third gear 102b-3 meshing with second gear 102b-2, where the shaft of second gear 102b-2 is manually rotated, second gear 102b-2 begins to rotate, the first gear 102b-1 engaged with the second gear 102b-2 also rotates, the third gear 102b-3 engaged with the second gear 102b-2 is also rotated, the rotation direction of the first gear 102b-1 is opposite to the rotation direction of the third gear 102b-3, so that the rotation angle of the two sieve trays 102a is alpha, and further the crossed position relationship of the sieve holes 102a-1 is realized.
Further, the sieving unit 100 further includes a second connecting channel 103 disposed between the upper accommodating space M1 and the lower accommodating space M2, and a second negative pressure machine 104 disposed between the second connecting channel 103 and the sieve tray 102a, and a flip 105 is disposed at a contact position of the second connecting channel 103 and the second negative pressure machine 104; the lid 105 is turned outwards away from the second connecting channel 103, a gap is formed between the lid and the second negative pressure machine 104, and the ceramic raw material sucked to the second connecting channel 103 by the second negative pressure machine 104 slides into the upper receiving space M1 through the gap for the secondary screening process.
In summary, in use, the shaft of the second gear 102b-2 is manually rotated, the second gear 102b-2 starts to rotate, the first gear 102b-1 engaged with the second gear 102b-2 also rotates along with the shaft, and the third gear 102b-3 engaged with the second gear 102b-2 also rotates along with the shaft, wherein the rotation direction of the first gear 102b-1 is opposite to the rotation direction of the third gear 102b-3, so that the rotation angle of the two sieve trays 102a is alpha, and further the sieve holes 102a-1 are in an intersecting position relationship, taking the rotation angle alpha 1 and the linear distance d1 adjacent to the arc edge as examples, by placing ceramic raw materials into the upper-layer accommodating space M1 of the sieving cabinet 101, if the diameter of the ceramic raw materials is larger than d1, the ceramic raw materials are left in the upper-layer accommodating space M1, and the sieved ceramic raw materials are left in the upper-layer accommodating space M1, the first negative pressure machine 203 is utilized to give suction to the screened ceramic raw materials, the ceramic raw materials are sucked into the collection box 201 through the first connecting channel 202, and the risk that the screened ceramic raw materials enter the first negative pressure machine 203 is effectively prevented due to the arrangement of the filtering piece 204; if the diameter of the ceramic raw material is smaller than d1, the ceramic raw material falls into the lower layer accommodating space M2, the screened residual ceramic raw material falling into the lower layer accommodating space M2 is sucked into the upper layer accommodating space M1 through the second connecting channel 103 and the direction of the turnover cover 105 by utilizing the suction force given by the second negative pressure machine 104, the screening process is carried out again, the screening is repeated, and the ceramic raw material is thoroughly screened.
Example 3
Referring to fig. 5, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the first connecting channel 202 includes a main connecting channel 202a and a plurality of sub connecting channels 202b connected to the main connecting channel 202a, and the sub connecting channels 202b are arranged to correspondingly collect ceramic raw materials having corresponding diameters by using the main connecting channel 202a and the sub connecting channels 202 b.
Further, the collection unit 200 further includes a plurality of first valves 205 disposed in the main connection passage 202a, and the opening and closing of the main connection passage 202a is controlled by the first valves 205.
Preferably, the collection unit 200 further includes a second valve 206 disposed in the secondary connection passage 202b, and the secondary connection passage 202b is opened and closed by the second valve 206.
Preferably, the collection box 201 is provided with a plurality of collection boxes 201, because turned angle α is different, the diameter of the screened ceramic raw material is also different, and for the ceramic raw materials with different diameters, a plurality of collection boxes 201 are required to be collected, and the number of the collection boxes 201 is set according to actual conditions.
Further, the first negative pressure machine 203 is provided in plural, and the number of the first negative pressure machines 203 depends on the actual number of the collection tanks 201.
Preferably, the first valve 205 is an electrically controlled valve, and is remotely controlled by the electrically controlled valve to control the on/off of the main connecting passage 202 a.
Preferably, the second valve 206 is an electrically controlled valve, and is remotely controlled by the electrically controlled valve to control the on/off of the secondary connecting passage 202 b.
In summary, in use, the shaft of the second gear 102b-2 is manually rotated, the second gear 102b-2 starts to rotate, the first gear 102b-1 engaged with the second gear 102b-2 rotates along with the shaft, and the third gear 102b-3 engaged with the second gear 102b-2 rotates along with the shaft, wherein the rotation direction of the first gear 102b-1 is opposite to that of the third gear 102b-3, so that the rotation angle of the two sieve trays 102a is α 1, the sieve holes 102a-1 are intersected, and the linear distance d1 adjacent to the arc edge is obtained;
ceramic raw materials are placed in the upper-layer accommodating space M1 of the screening cabinet 101, if the diameter of the ceramic raw materials is larger than d1, the ceramic raw materials are left in the upper-layer accommodating space M1, the screened ceramic raw materials left in the upper-layer accommodating space M1 are closed, only the first valve 205, the second valve 206 and the first negative pressure machine 203 corresponding to d1 are opened, the first negative pressure machine 203 is used for giving suction to the screened ceramic raw materials, the ceramic raw materials are sequentially sucked into the collecting box 201 through the main connecting channel 202a, the first valve 205, the secondary connecting channel 202b and the second valve 206, and the screened ceramic raw materials are effectively prevented from entering the first negative pressure machine 203 due to the arrangement of the filter element 204; if the diameter of the ceramic raw material is smaller than d1, the ceramic raw material falls into the lower-layer accommodating space M2;
when the residual ceramic raw materials after screening are screened, the shaft of the second gear 102b-2 is manually rotated, the second gear 102b-2 starts to rotate, the first gear 102b-1 meshed with the second gear 102b-2 also rotates along with the shaft, and the third gear 102b-3 meshed with the second gear 102b-2 also rotates along with the shaft, wherein the rotating direction of the first gear 102b-1 is opposite to that of the third gear 102b-3, so that the rotating angle of the two screen discs 102a is alpha 2, the crossed position relation of the screen holes 102a-1 is realized, and the straight line distance d2 adjacent to the arc edge is obtained;
the sieved residual ceramic raw materials falling into the lower layer accommodating space M2 are sucked by the second negative pressure machine 104, the flip cover 105 is turned outwards in a direction away from the second connecting channel 103, a gap is formed between the flip cover and the second negative pressure machine 104, and the ceramic raw materials sucked to the second connecting channel 103 by the second negative pressure machine 104 slide into the upper layer accommodating space M1 through the gap;
if the diameter of the ceramic raw material is larger than d2, the ceramic raw material is left in the upper layer accommodating space M1, the screened ceramic raw material left in the upper layer accommodating space M1 is closed by other first valves 205, second valves 206 and first negative pressure machines 203, only the first valves 205, second valves 206 and first negative pressure machines 203 corresponding to d2 are opened, the screened ceramic raw material is sucked by the first negative pressure machines 203 to the collecting box 201 through the main connecting channel 202a, the first valves 205, the secondary connecting channels 202b and the second valves 206 in sequence, and the screened ceramic raw material is effectively prevented from entering the first negative pressure machines 203 due to the filter elements 204; if the diameter of the ceramic raw material is smaller than d2, the ceramic raw material falls into the lower-layer accommodating space M2; the steps are circulated until the screening is complete, so that the ceramic raw material is thoroughly screened.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. A screening plant for ceramic raw materials which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a screening unit (100) comprising a screening cabinet (101) and a screening assembly (102) disposed in the screening cabinet (101), the screening assembly (102) dividing the screening cabinet (101) into an upper layer accommodating space (M1) and a lower layer accommodating space (M2),
the screening component (102) comprises two screening discs (102 a) which do relative motion, and a plurality of screening holes (102 a-1) are arranged on each screening disc (102 a);
the screen assembly (102) further comprises a gear set (102 b), the gear set (102 b) comprising a first gear (102 b-1), a second gear (102 b-2) meshing with the first gear (102 b-1) and a third gear (102 b-3) meshing with the second gear (102 b-2);
the screening unit (100) further comprises a second connecting channel (103) arranged between the upper layer accommodating space (M1) and the lower layer accommodating space (M2), and a second negative pressure machine (104) arranged between the second connecting channel (103) and the screening disc (102 a), wherein a flip cover (105) is arranged at the contact position of the second connecting channel (103) and the second negative pressure machine (104);
a collecting unit (200) connected to the sieving unit (100) and including a collecting box (201), a first connecting passage (202) provided between the collecting box (201) and the upper receiving space (M1), a first negative pressure machine (203) provided at one side of the collecting box (201), and a filter member (204) provided between the collecting box (201) and the first negative pressure machine (203);
the first connecting channel (202) comprises a main connecting channel (202 a) and a plurality of secondary connecting channels (202 b) connected with the main connecting channel (202 a), and the secondary connecting channels (202 b) are arranged in plurality;
the collection unit (200) further comprises a first valve (205) arranged in the main connection channel (202 a);
the collection unit (200) further comprises a second valve (206) arranged in the secondary connection channel (202 b);
the rotation angle of the two sieve trays (102 a) is alpha 1, the circle centers of the two sieve holes (102 a-1) are arranged at two sides of a common chord, and the straight line distance between the connecting lines of the two circle centers and the adjacent arc edge is d 1;
placing ceramic raw materials into an upper-layer containing space (M1) of the screening cabinet (101), if the diameter of the ceramic raw materials is larger than d1, remaining in the upper-layer containing space (M1), and sucking the screened ceramic raw materials in the upper-layer containing space (M1) to the collecting box (201) through the first connecting channel (202) by utilizing the first negative pressure machine (203) to give suction to the screened ceramic raw materials; if the diameter of the ceramic raw material is smaller than d1, the ceramic raw material falls into the lower layer containing space (M2), the ceramic raw material which is left after screening in the lower layer containing space (M2) is fallen, a suction force is given to the ceramic raw material by the second negative pressure machine (104), the ceramic raw material is sucked into the upper layer containing space (M1) through the second connecting channel (103) along the direction of the turnover cover (105), the secondary screening process is carried out, the screening is repeated, and the ceramic raw material is thoroughly screened.
2. A screening device for ceramic raw materials according to claim 1, characterized in that: the collecting box (201) is provided in plurality.
3. A screening device for ceramic raw materials according to claim 1, characterized in that: the first negative pressure machine (203) is provided in plurality.
4. A screening device for ceramic raw materials according to claim 1, characterized in that: the first valve (205) adopts an electric control valve.
5. A screening device for ceramic raw materials according to claim 1, characterized in that: the second valve (206) adopts an electric control valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111125180.2A CN113560161B (en) | 2021-09-26 | 2021-09-26 | A screening plant for ceramic raw materials |
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| CN202111125180.2A CN113560161B (en) | 2021-09-26 | 2021-09-26 | A screening plant for ceramic raw materials |
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| CN113560161A CN113560161A (en) | 2021-10-29 |
| CN113560161B true CN113560161B (en) | 2022-06-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102366745B (en) * | 2011-09-21 | 2015-03-11 | 卓卫民 | Powder selecting and collecting device |
| CN106824755A (en) * | 2015-12-07 | 2017-06-13 | 重庆六边形网络科技有限责任公司 | A kind of cereal screening machine |
| US20180236491A1 (en) * | 2017-02-23 | 2018-08-23 | Frito-Lay North America, Inc. | Separation apparatus with screen having variable apertures |
| CN107744935A (en) * | 2017-11-23 | 2018-03-02 | 山东省玛丽亚农业机械有限公司 | A kind of dry separator of simple rotating disc type garlic |
| CN207709348U (en) * | 2017-11-27 | 2018-08-10 | 陕西富化化工有限责任公司 | A kind of energy saving sorting machine of barium sulfate production |
| CN108940865A (en) * | 2018-06-28 | 2018-12-07 | 合肥徽徽逗食品有限公司 | A kind of efficient melon seeds remove stone device |
| CN210847095U (en) * | 2019-06-28 | 2020-06-26 | 湖州丝艺丝绸股份有限公司 | Cleaning device for silkworm cocoons |
| CN210632195U (en) * | 2019-08-08 | 2020-05-29 | 红安县生伦冶金矿产科技实业股份有限公司 | Milling machine with secondary milling function |
| CN111069035A (en) * | 2019-11-25 | 2020-04-28 | 衡阳市玉丰农业发展有限公司 | Novel bamboo product |
| CN212664181U (en) * | 2020-06-15 | 2021-03-09 | 南京淳达科技发展有限公司 | Plastics auxiliary agent screening plant |
| CN213377710U (en) * | 2020-08-14 | 2021-06-08 | 湖北渴望牧业有限责任公司 | High-efficient screening plant of pond polyculture fish compound feed |
| CN113231313B (en) * | 2021-07-12 | 2021-09-21 | 潍坊工商职业学院 | Grit sieving mechanism for civil engineering |
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