CN213914736U

CN213914736U - Calcium carbonate classifying and screening device

Info

Publication number: CN213914736U
Application number: CN202022800438.1U
Authority: CN
Inventors: 饶献勇; 刘建平; 柯金凤; 张开荣; 何强
Original assignee: Yichang Furao New Material Technology Co ltd
Current assignee: Yichang Furao New Material Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-10
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a calcium carbonate classifying and screening device, including the screening case, the screening incasement is equipped with a screen cloth section of thick bamboo, and screen cloth section of thick bamboo below is equipped with lower floor's screen cloth, and lower floor's screen cloth is the arc structure, is equipped with the stock guide between the lateral wall of lower floor's screen cloth and screening case, and the stock guide slope sets up, and one side that the stock guide is close to lower floor's screen cloth is less than the opposite side, all is equipped with feeding mechanism in the screen cloth section of thick bamboo and on the lower screen cloth, feeding mechanism includes the pivot and sets up at the epaxial helical blade of pivot, and the drive mechanism drive is passed through in the pivot, and screening roof portion is equipped with the feed bin that communicates with a screen cloth section of thick bamboo, and the bottom is equipped with the bin outlet, and screening tip is equipped with upper bin outlet and the lower floor's bin outlet that communicates with a screen cloth section of thick bamboo and lower floor's screen cloth respectively. The device can guarantee fully to sieve, reduces the inclusion volume of the material that does not conform to the specification.

Description

Calcium carbonate classifying and screening device

Technical Field

The utility model belongs to calcium carbonate processing equipment field, in particular to calcium carbonate classifying and screening device.

Background

Calcium carbonate is an inorganic compound, is a common substance on earth, exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks, is an important building material, and has wide industrial application.

The calcium carbonate raw material is subjected to processing procedures such as cleaning, drying, crushing, grinding and the like, and is required to be screened and classified. CN209334138U discloses a sieving mechanism of calcium carbonate for ventilated membrane, include screw conveyer, advance powder mouth, first sieve, second sieve, coarse fodder room, bin outlet, coarse fodder export, go out powder mouth and foot rest, its characterized in that: the screw conveyer is located the top, is connected with the powder inlet, first sieve is located powder inlet below the second sieve is located under the first sieve, the bin outlet is installed on coarse fodder room right side, the coarse fodder export is located coarse fodder room bottom, it is located second sieve right side below to go out the powder mouth.

The device passes through calcium carbonate and falls down the realization screening naturally along the inclined plane, can appear the condition that the oversize material mingled with the sieve unloading, and the screening is not abundant, causes the waste of material and the powder after the screening not conform to the condition that mesh number required.

Disclosure of Invention

The utility model aims to solve the technical problem that a calcium carbonate classifying and screening device is provided can guarantee abundant screening, reduces the inclusion volume of the material that is not conform to the specification.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a calcium carbonate classifying screen divides device, is equipped with a screen cloth section of thick bamboo including the screening case, and screening case is equipped with a screen cloth section of thick bamboo of lower floor, and screen cloth section of thick bamboo below of screening is equipped with the lower floor screen cloth, and the lower floor screen cloth is the arc structure, is equipped with the stock guide between the lateral wall of lower floor screen cloth and screening case, and the stock guide slope sets up, and one side that the stock guide is close to the screen cloth of lower floor is less than the opposite side, all is equipped with feeding mechanism in the screen cloth section of thick bamboo and on the screen cloth of lower floor, feeding mechanism includes the pivot and sets up at the epaxial helical blade that rotates, and the pivot is passed through the actuating mechanism drive, and screening roof portion is equipped with the feed bin that communicates with a screen cloth section of thick bamboo, and the bottom is equipped with the bin outlet, and screening tip is equipped with the upper bin and the bin outlet of lower floor that communicate with a screen cloth respectively.

In a preferred scheme, the driving mechanism comprises a driving motor, the output end of the driving motor is connected with one of the rotating shafts, synchronizing wheels are arranged on the two rotating shafts, and the synchronizing wheels are driven by a belt.

In the preferred scheme, be equipped with the blanking plate between a screen cloth section of thick bamboo and the lower floor's screen cloth, the slope of blanking plate sets up, and the lower one end of blanking plate is equipped with the blanking mouth, and the lower floor's bin outlet sets up the one end of keeping away from the blanking mouth.

In a preferred scheme, the guide plate is provided with sieve holes.

In the preferred scheme, screening case bottom is equipped with the guide chamber, and the bin outlet sets up in the guide chamber lower extreme.

The utility model provides a pair of calcium carbonate classifying screen divides device realizes first screening through a screening net section of thick bamboo, realizes screening for the second time through lower floor's screen cloth, under helical blade's transport, realizes the continuous screening to calcium carbonate powder, at the in-process of screening moreover, stirs the material, can guarantee abundant screening, reduces the miscellaneous volume of family of the material that is not conform to the specification.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view taken along plane A-A of FIG. 1;

FIG. 3 is a schematic diagram of a preferred structure of the present invention;

in the figure: screening case 1, screening net section of thick bamboo 2, lower floor's screen cloth 3, stock guide 4, pivot 5, helical blade 6, driving motor 7, synchronizing wheel 8, feed back board 9, add feed bin 101, bin outlet 102, upper bin outlet 103, lower floor's bin outlet 104, guide chamber 105, sieve mesh 401, blanking mouth 901.

Detailed Description

As shown in fig. 1-2, a calcium carbonate classifying and screening device comprises a screening box 1, a support is arranged at the bottom of the screening box 1, a screening cylinder 2 is arranged in the screening box 1, a lower layer screen 3 is arranged below the screening cylinder 2, the aperture of the lower layer screen 3 is smaller than that of the screening cylinder 2, the lower layer screen 3 is of an arc structure, a material guide plate 4 is arranged between the lower layer screen 3 and the side wall of the screening box 1, the material guide plate 4 is obliquely arranged, one side of the material guide plate 4 close to the lower layer screen 3 is lower than the other side, feeding mechanisms are arranged in the screening cylinder 2 and on the lower layer screen 3, each feeding mechanism comprises a rotating shaft 5 and a helical blade 6 arranged on the rotating shaft 5, the rotating shaft 5 is driven by a driving mechanism, in this embodiment, the driving mechanism comprises a driving motor 7, the driving motor 7 is arranged at one end of the screening box 1 by a mounting rack, the output end of the driving motor 7 is connected with one of the rotating shaft 5 by a coupler, synchronizing wheels 8 are arranged on the two rotating shafts 5, and the synchronizing wheels 8 are driven through a belt. The top of the screening box 1 is provided with a feeding bin 101 communicated with the screening net cylinder 2, the bottom of the screening box is provided with a discharge hole 102, and the end part of the screening box 1 is provided with an upper layer discharge hole 103 and a lower layer discharge hole 104 respectively communicated with the screening net cylinder 2 and the lower layer screen 3.

During the specific use, in adding the calcium carbonate powder that will wait to sieve through adding feed bin 101 and adding screening net section of thick bamboo 2, start actuating mechanism, drive pivot 4 and rotate, the material is carried in the upset of screening net section of thick bamboo 2, the in-process of carrying, the first screening is accomplished to the material, the material after the screening falls into on lower floor's screen cloth 3 and on stock guide 4, stock guide 4 leads the undersize and send to in the screen cloth 3 of lower floor, under the helical blade 6's of the 3 upsides of lower floor's screen cloth transport, the length direction of lower floor's screen cloth 3 is carried to the material, the secondary screening is accomplished to the in-process of carrying.

The device realizes the continuous screening to calcium carbonate powder, at the in-process of screening moreover, stirs the material, can guarantee abundant screening, reduces the family miscellaneous volume of the material that is not conform to the specification.

Preferably, the guide plate 4 is provided with a sieve pore 401, and the aperture of the sieve pore 401 is consistent with that of the lower screen 3. Through setting up sieve mesh 401, make the material along the in-process that stock guide 4 carried to lower floor's screen cloth 3, realize the screening, improve screening speed.

Preferably, the bottom of the screening box 1 is provided with a material guiding cavity 105, the material guiding cavity 105 is of a conical structure, and the material outlet 102 is arranged at the lower end of the material guiding cavity 105.

Through setting up guide chamber 105 be favorable to drying the unloading smoothly with the end in screening case 2 and discharging, prevent long-pending material.

Preferably, as shown in fig. 3, a material returning plate 9 is arranged between the screen cylinder 2 and the lower screen 3, the material returning plate 9 is arranged obliquely, in this embodiment, one end of the material returning plate 9 close to the feeding bin 101 is higher than the other end, a blanking port 901 is arranged at the lower end of the material returning plate 9, and the lower layer material outlet 104 is arranged at one end far away from the blanking port 901. The direction of the helical blades 6 on the lower screen cloth 3 is opposite to the direction of the helical blades 6 in the screen cylinder 2.

The material that will screen a section of thick bamboo 2 through material return board 9 and screen a section of thick bamboo 2 and screen the one end to lower floor's screen cloth 3 and carry out the screening for the second time, guarantee the abundant of secondary screening and go on, make upper bin outlet 103 and lower floor's bin outlet 104 be located the both ends of screening case 1 simultaneously, conveniently connect the material.

Claims

1. The utility model provides a calcium carbonate classifying and screening device which characterized in that: comprises a screening box (1), a screening net cylinder (2) is arranged in the screening box (1), a lower layer screen (3) is arranged below the screening net cylinder (2), the lower layer screen (3) is of an arc structure, a material guide plate (4) is arranged between the lower layer screen (3) and the side wall of the screening box (1), the material guide plate (4) is obliquely arranged, one side of the material guide plate (4) close to the lower layer screen (3) is lower than the other side, feeding mechanisms are respectively arranged in the screening net cylinder (2) and on the lower layer screen (3), feeding mechanism includes pivot (5) and sets up helical blade (6) in pivot (5), and actuating mechanism drive is passed through in pivot (5), and screening case (1) top is equipped with the feed bin (101) of screening net section of thick bamboo (2) intercommunication, and the bottom is equipped with bin outlet (102), and screening case (1) tip is equipped with upper bin outlet (103) and lower floor's bin outlet (104) with screening net section of thick bamboo (2) and lower floor screen cloth (3) intercommunication respectively.

2. The calcium carbonate classifying and screening device according to claim 1, wherein: the driving mechanism comprises a driving motor (7), the output end of the driving motor (7) is connected with one of the rotating shafts (5), synchronizing wheels (8) are arranged on the two rotating shafts (5), and the synchronizing wheels (8) are driven by a belt.

3. The calcium carbonate classifying and screening device according to claim 1, wherein: be equipped with feed back board (9) between sieve screen cylinder (2) and lower floor screen cloth (3), feed back board (9) slope sets up, and the lower one end of feed back board (9) is equipped with blanking mouth (901), and lower floor's bin outlet (104) set up the one end of keeping away from blanking mouth (901).

4. The calcium carbonate classifying and screening device according to claim 1, wherein: and the material guide plate (4) is provided with sieve holes (401).

5. The calcium carbonate classifying and screening device according to claim 1, wherein: the bottom of the screening box (1) is provided with a material guide cavity (105), and the discharge port (102) is arranged at the lower end of the material guide cavity (105).