CN217314347U

CN217314347U - Continuous coarse sand screening device for granulated blast furnace slag powder production

Info

Publication number: CN217314347U
Application number: CN202220342516.4U
Authority: CN
Inventors: 向雪绒; 侯和平; 卢松; 向丽; 卢渝; 向卢
Original assignee: Guangzhou Changheng Logistics Co ltd
Current assignee: Guangzhou Changheng Logistics Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-30
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a production of granulation blast furnace slag powder is with lasting type coarse sand sieving mechanism, this lasting type coarse sand sieving mechanism aim at solving present high temperature furnace slag's gravel raw materials because the size difference of particle diameter is very big, blocks up the technical problem of screen cloth easily when the screening. This last type coarse sand sieving mechanism includes a rotating sieve, coaxial arrangement in No. two rotating sieves of a rotating sieve rear end, set up in the driving motor of No. two rotating sieves rear side. This last type coarse sand sieving mechanism adopts fine sand and coarse sand to rotate the mode that the sieving mechanism makes up and uses, divide into two segmentation operations with the screening flow, and after the raw materials got into the rotating screen, the slow screening out fine sand of screen cloth front end, the quick screening out coarse sand of screen cloth rear end makes the coarse sand carry to the rear end more easily, can not block at the front end, improves the screening efficiency of raw materials, sieves the raw materials into two piles according to the particle size simultaneously, and the screening precision is high, can take respectively according to the processing needs.

Description

Continuous coarse sand screening device for granulated blast furnace slag powder production

Technical Field

The utility model belongs to slag powder production facility field, concretely relates to production of granulation blast furnace slag powder is with lasting type coarse sand sieving mechanism.

Background

The blast furnace slag is molten silicate matter discharged from blast furnace during smelting pig iron, and consists of gangue, ash, flux and other impurity incapable of entering into pig iron.

The preparation of slag powder becomes hard dry slag through high temperature slag natural cooling, then smash high temperature liquid slag with the shrend, become further breaking up and smashing again after becoming loose grain slag, high temperature slag's formation adopts sandy gravel such as river sand as raw materials for production, because contain more impurity in the grit under the natural state, need sieve it before the pan feeding, and the particle size of grit itself is not even, it is more difficult to its large-scale screening, need carry out multistage screening to the grit, not only need set up big screening net device at different levels, lead to the screening work miscellaneous, the assembly line is long, and also block up the screen cloth easily very much, seriously influence screening efficiency.

Consequently, the condition of blockking up the screen cloth easily when the gravel raw materials to above-mentioned high temperature furnace slag sieves develops a novel screening plant, utilizes the difference of front and back end sieve mesh size, carries out two segmentation sieves to fine sand and coarse sand respectively.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a production of graining blast furnace slag powder is with lasting type coarse sand sieving mechanism, this lasting type coarse sand sieving mechanism aim at solving present high temperature furnace slag's gravel raw materials because the size difference of particle diameter is very big, blocks up the technical problem of screen cloth easily when the screening.

In order to solve the technical problem, the utility model provides a such production of granulating blast furnace slag powder is with lasting type coarse sand sieving mechanism, this lasting type coarse sand sieving mechanism include a rotating sieve, coaxial arrangement in No. two rotating sieves of a rotating sieve rear end, set up in the driving motor of No. two rotating sieve rear sides, No. one the rotating sieve outside installs the fine grain screen cloth, No. two the rotating sieve outside installs the coarse grain screen cloth, driving motor front end swing joint has the transmission shaft, the transmission shaft set up in a rotating sieve with No. two the rotating sieve is inboard, transmission shaft outside fixed mounting has the baffle, the baffle set up in No. two rotating sieve front ends are inboard, the shrouding is installed on the transmission shaft top, the shrouding set up in a rotating sieve front end is inboard.

When using this technical scheme's a production of granulation blast furnace slag powder with continuous type coarse sand sieving mechanism, drop into the rotary screen No. one with the raw materials gravel, start driving motor and drive a rotary screen and rotate with No. two rotary screens are synchronous, and the fine sand passes through the fine grain screen cloth and sieves out, and remaining gravel slides in No. two rotary screens and sieves out through the coarse grain screen cloth from a rotary screen.

Preferably, the slide is installed to the symmetry from top to bottom of No. two rotating sieve front ends, the opening has been seted up to baffle longitudinal symmetry, the opening set up in between the slide. Baffle between a rotating sieve and No. two rotating sieves prevents that the gravel from once only too much getting into No. two rotating sieves, rotates the in-process that sieves, and the gravel gets into No. two rotating sieves in order along slide and opening.

Preferably, the outer side of the top end of the slide way is fixedly connected with a buckle head, the upper end and the lower end of the rear side of the first rotating screen are symmetrically provided with a buckle port, and the buckle head is connected with the inner side of the buckle port in a buckle mode. The second rotating screen is locked with the first rotating screen through elastic clamping of the clamping head and the clamping interface.

Preferably, the inner side of the through opening is provided with an interception grid. Gravel slides into the second rotating screen from the first rotating screen through the interception grid to intercept large-volume impurities inside.

Preferably, the left end and the right end of the baffle are symmetrically connected with locking heads, the left side and the right side of the front end of the second rotating screen are symmetrically provided with locking openings, and the locking heads are arranged on the inner sides of the locking openings. The baffle forms the locking of plane position through the joint of locking head and locking mouth and No. two rotating sieve, drives it and carries out synchronous revolution.

Preferably, a feeding opening is formed in the inner side of the sealing plate. Gravel raw materials are put into a first rotary screen with large capacity along a feeding port through a conveying mechanism.

Preferably, the stirring plectrum is installed to the transmission shaft outside, the stirring plectrum sets up in No. one rotary screen is inboard. The raw materials enter the first rotating sieve and then contact with the stirring plectrum in advance, and are divided and broken up by the stirring plectrum in a cross distribution in the rotating process, so that the sieving effect is improved.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a production of graining blast furnace slag powder is with lasting type coarse sand sieving mechanism adopts fine sand and the mode that the coarse sand rotation sieving mechanism combination was used, divide into two segmentation operations with the screening flow, after the raw materials got into the rotating sieve, the slow screening fine sand of screen cloth front end, the quick screening coarse sand in screen cloth rear end, make the coarse sand carry to the rear end more easily, can not block at the front end, improve the screening efficiency of raw materials, shorten the screening work flow line, reduce equipment acquisition cost, divide into two piles with the raw materials according to the particle size sieve simultaneously, the screening precision is high, can take respectively according to the processing needs.

Drawings

FIG. 1 is a schematic view of an assembly structure of a continuous type coarse sand screening device for granulated blast furnace slag powder production according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a first rotary screen of a specific embodiment of the continuous type coarse sand screening device for granulated blast furnace slag powder production of the present invention;

FIG. 3 is a schematic structural view of a second rotary screen according to a specific embodiment of the continuous type coarse sand screening device for granulated blast furnace slag powder production of the present invention;

fig. 4 is a schematic view of the installation structure of the driving motor, the baffle and the closing plate of the continuous type coarse sand screening device in the embodiment of the granulated blast furnace slag powder production of the utility model.

The labels in the figures are: 1. a first rotary screen; 2. a fine particle screen; 3. a second rotary screen; 4. coarse grain screen mesh; 5. a drive motor; 6. a drive shaft; 7. a baffle plate; 8. closing the plate; 9. a slideway; 10. a port; 11. a buckle head; 12. a card interface; 13. an interception gate; 14. a locking head; 15. a locking port; 16. a feeding port; 17. stirring the stirring sheet.

Detailed Description

The continuous coarse sand screening device for producing granulated blast furnace slag powder comprises a first rotary screen 1, a second rotary screen 3 and a driving motor 5, a baffle 7 and a sealing plate 8, wherein the assembly structure schematic diagram of the continuous coarse sand screening device is shown in figure 1, the structure schematic diagram of the first rotary screen 1 is shown in figure 2, the structure schematic diagram of the second rotary screen 3 is shown in figure 3, the mounting structure schematic diagram of the driving motor 5, the baffle 7 and the sealing plate 8 is shown in figure 4, the continuous coarse sand screening device comprises the first rotary screen 1, the second rotary screen 3 coaxially mounted at the rear end of the first rotary screen 1, the driving motor 5 arranged at the rear side of the second rotary screen 3, a fine particle screen 2 is mounted at the outer side of the first rotary screen 1, a coarse particle screen 4 is mounted at the outer side of the second rotary screen 3, a transmission shaft 6 is movably connected at the front end of the driving motor 5, the transmission shaft 6 is arranged at the inner sides of the first rotary screen 1 and the second rotary screen 3, the baffle 7 is fixedly mounted at the outer side of the front end of the second rotary screen 3, a sealing plate 8 is installed at the top end of the transmission shaft 6, and the sealing plate 8 is arranged on the inner side of the front end of the first rotating screen 1.

To this embodiment, a rotating sieve 1 and No. two rotating sieves 3 coaxial setting, and wholly be the slope gesture, the top of a rotating sieve 1 is higher than No. two tail ends of rotating sieve 3, and the grit slides in No. two rotating sieves 3 from a rotating sieve 1 along inclination at the in-process that sieves.

Slide 9 is installed to No. two rotary screen 3 front ends longitudinal symmetry, and baffle 7 longitudinal symmetry has seted up through hole 10, and through hole 10 sets up between slide 9, and the inside holding up fence 13 of installing of through hole 10. Baffle 7 between 1 and No. two rotating screen 3 prevents that the disposable too much entering of grit from No. two rotating screen 3, rotates the in-process that sieves, and the grit gets into No. two rotating screen 3 along slide 9 and opening 10 in order, and the grit is held back the impurity of inside bulky through interception bars 13 from the in-process that 1 sliding of a rotating screen into No. two rotating screen 3.

Simultaneously, 9 top outside fixedly connected with buckle head 11 of slide, the joint mouth 12 has been seted up to the both ends symmetry about 1 rear side of a rotating screen, and buckle head 11 buckle is connected in joint mouth 12 inboardly, and both ends symmetry is connected with locking head 14 about 7 baffles, and locking mouth 15 has been seted up to the both sides symmetry about 3 front ends of No. two rotating screens, and locking head 14 sets up in locking mouth 15 inboardly. No. two rotating screen 3 and No. one rotating screen 1 lock through the elasticity joint of buckle head 11 with joint mouth 12, and baffle 7 forms the locking of plane position through the joint of locking head 14 with locking mouth 15 with No. two rotating screen 3, drives it and carries out the synchronous revolution.

In addition, a feeding port 16 is formed in the sealing plate 8, a stirring shifting piece 17 is installed on the outer side of the transmission shaft 6, and the stirring shifting piece 17 is arranged on the inner side of the first rotary screen 1. Gravel raw materials pass through conveying mechanism and drop into the great rotary screen 1 of capacity along pan feeding mouth 16, and the raw materials contact in advance and stir plectrum 17 after entering rotary screen 1, is cut apart by stirring plectrum 17 of cross distribution at the pivoted in-process and is broken up, improves the effect of sieving.

When the continuous coarse sand screening device for producing the granulated blast furnace slag powder in the technical scheme is used, a user puts raw material gravel into the first rotary screen 1 through the feeding port 16 by the raw material conveying mechanism, simultaneously, the driving motor 5 is started, the first rotary screen 1 and the second rotary screen 3 are driven to synchronously rotate by utilizing the locking action of the baffle 7 and the second rotary screen 3 and the locking action of the second rotary screen 3 and the first rotary screen 1, the stirring plectrum 17 divides the space in the first rotary screen 1 into four parts, so that the fine sand is continuously scattered along with the falling action of gravity in the turning process, and sift out gradually through the fine grain screen cloth 2, remaining grit slides into No. two rotary screens 3 along slide 9 and through opening 10 from No. one rotary screen 1 along the rotation, and the great impurity in the grit is held back by interception bars 13, and the grit that gets into No. two rotary screens 3 is sifted out through coarse grain screen cloth 4 along constantly overturning.

Claims

1. A continuous type coarse sand screening device for production of granulated blast furnace slag powder comprises a first rotary screen, a second rotary screen coaxially mounted at the rear end of the first rotary screen, and a driving motor arranged at the rear side of the second rotary screen; its characterized in that, the fine grain screen cloth is installed in the rotary screen outside, the coarse grain screen cloth is installed in No. two rotary screen outsides, driving motor front end swing joint has the transmission shaft, the transmission shaft set up in a rotary screen with No. two rotary screen inboards, transmission shaft outside fixed mounting has the baffle, the baffle set up in No. two rotary screen front end inboards, the shrouding is installed on the transmission shaft top, the shrouding set up in a rotary screen front end inboard.

2. The continuous coarse sand screening device for the production of granulated blast furnace slag powder as claimed in claim 1, wherein slide ways are symmetrically installed up and down at the front end of the second rotary screen, through holes are symmetrically formed in the baffle plate up and down, and the through holes are arranged between the slide ways.

3. The continuous coarse sand screening device for the production of granulated blast furnace slag powder as claimed in claim 2, wherein a fastening head is fixedly connected to the outer side of the top end of the slide way, fastening ports are symmetrically formed in the upper end and the lower end of the rear side of the first rotary screen, and the fastening head is fastened and connected to the inner side of the fastening ports.

4. The continuous type coarse sand screening device for granulated blast furnace slag powder production according to claim 2, wherein an interception fence is installed inside the port.

5. The continuous type coarse sand screening device for the production of granulated blast furnace slag powder as claimed in claim 1, wherein locking heads are symmetrically connected to the left and right ends of the baffle, locking openings are symmetrically formed in the left and right sides of the front end of the second rotary screen, and the locking heads are arranged inside the locking openings.

6. The continuous coarse sand screening device for the production of granulated blast furnace slag powder as claimed in claim 1, wherein a feed inlet is opened at the inner side of the sealing plate.

7. The continuous coarse sand screening device for the production of granulated blast furnace slag powder as claimed in claim 1, wherein a stirring paddle is installed outside the transmission shaft and is arranged inside the first rotary screen.