CN210700541U

CN210700541U - Broken sorting unit of steelmaking tailings

Info

Publication number: CN210700541U
Application number: CN201921606168.1U
Authority: CN
Inventors: 梁国美; 陈秋; 陈宗明
Original assignee: Yunnan Qujing Iron And Steel Group Fenghuang Iron And Steel Co Ltd
Current assignee: Yunnan Qujing Iron And Steel Group Fenghuang Iron And Steel Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-09
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a crushing and sorting device for steelmaking tailings, which comprises a crusher and a sorter, wherein the crusher comprises a casing, an upper grinding disc and a lower grinding disc are arranged in the casing in a matching way, the upper grinding disc is connected with a main cylinder, the lower grinding disc is connected with a motor, the side wall of the casing around the lower grinding disc is provided with an adjusting cylinder, a blanking gap is left between the outer wall of the lower grinding disc and the inner wall of the adjusting cylinder, the adjusting cylinder is connected with an adjusting cylinder, a spiral conveyor is arranged in the casing below the casing, the outer part of the crusher is provided with a lifting machine, the discharge end of the spiral conveyor extends out of the casing and then is communicated with the feed end of the lifting machine, the sorter comprises a primary vibrating screen, a secondary vibrating screen, a tertiary vibrating screen and a primary vibrating screen which are arranged in, and suspension type iron removers are arranged above the second-stage vibrating screen and the third-stage vibrating screen respectively. The utility model is simple in operation, broken and select separately effectually, work efficiency is high, has apparent economic value and social value.

Description

Broken sorting unit of steelmaking tailings

Technical Field

The utility model relates to a steel smelting technical field, concretely relates to broken sorting unit of steelmaking tailings.

Background

The steel-making tailings are a general term for products formed by oxidizing impurities in metal materials (iron, scrap steel and the like) by an oxidant to generate oxides and then carrying out physical and chemical reactions with a slag former and a furnace lining in a steel-making process. If the steel-making tailings are not recycled but directly stacked, not only the cultivated land is occupied, the environment is polluted, but also the resources are wasted, and the production benefit of enterprises is reduced, so that the treatment and the comprehensive utilization of the steel-making tailings are one of the main tasks of the sustainable development of the steel industry. The steelmaking tailings can be used for pavement construction, cement production, steel slag phosphate fertilizer and the like, and are crushed firstly in the recycling process of the steelmaking tailings, and then are sorted to a certain extent according to the requirement to obtain slag particles with the granularity meeting the requirement. The crushing sorting unit of tradition can not smash steelmaking slag completely, and crushing effect is not good, can not be fine satisfy the requirement to the slag grain size, and secondly, the crushing efficiency of the crushing sorting unit of tradition is not high, and the structure is complicated, and the operation is inconvenient. Therefore, it is objectively needed to develop a steel-making tailings crushing and sorting device which is simple in operation, good in crushing and sorting effect and high in working efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easy operation, broken and select separately effectual, the broken sorting unit of steelmaking tailings that work efficiency is high.

The utility model aims at realizing the purpose, which comprises a crusher and a separator, wherein the crusher comprises a casing, a feeding channel is arranged at one side of the upper part in the casing, an upper grinding disc is arranged at the other side of the upper part in the casing, a feeding hole is arranged at the top of the casing above the feeding channel, a main cylinder is arranged at the top of the casing, a piston rod of the main cylinder is connected with the upper grinding disc after passing through the top of the casing, a lower grinding disc is arranged below the upper grinding disc in a matching way, a casing is fixed below the lower grinding disc, a motor is arranged in the casing, an output shaft of the motor is connected with the lower surface of the lower grinding disc after passing through the top wall of the casing, an adjusting cylinder is arranged on the side wall of the casing around the lower grinding disc, the inner wall of the adjusting cylinder is in a conical shape with a big upper opening and a small lower opening, the outer wall of the lower grinding, sliding connection between the outer wall of a regulating cylinder and the slide rail, install adjusting cylinder on the outer wall of casing, processing has vertical retort shape opening on the lateral wall of casing, is connected with the backup pad on adjusting cylinder's the piston rod, the one end of backup pad is passed after vertical retort shape opening and is connected with the outer wall of a regulating cylinder, is provided with screw conveyer in the casing of machine case below, the outside of breaker is provided with the lifting machine, screw conveyer's discharge end stretches out the outside of casing after and the feed end intercommunication of lifting machine.

The sorter is including selecting separately the casing, the inside from the top down of selecting separately the casing is provided with the one-level shale shaker at interval slope in proper order, second grade shale shaker and tertiary shale shaker, the one-level shale shaker, the aperture of second grade shale shaker and tertiary shale shaker reduces in proper order, the one-level shale shaker, all be provided with the discharge gate on the sorting casing of second grade shale shaker and tertiary shale shaker lower one end top respectively, the one-level shale shaker, the respective top of second grade shale shaker and tertiary shale shaker all is provided with the suspension type de-ironing separator, the disintegrating slag import has been seted up on the sorting casing of the higher one end top of one-level shale shaker, and the disintegrating slag import is located the below of lifting.

Further, the feed inlet of breaker is provided with coarse crusher, coarse crusher includes the coarse crushing casing, the top of coarse crushing casing is provided with the feeder hopper, from the top down has set gradually crushing mechanism and conveyer belt in the coarse crushing casing of feeder hopper below, crushing mechanism includes the fluted roller that two parallel intervals set up, two fluted rollers are located same horizontal position, and the direction of rotation of two fluted rollers is inside in opposite directions, the discharge end of conveyer belt stretches out the outside of coarse crushing casing, and the discharge end of conveyer belt is located the top of breaker feed inlet.

Further, an arc-shaped baffle plate is arranged on the top of the shell on one side of the feeding hole.

Furthermore, a cylinder body is arranged on the top wall of the case, a ring groove is processed on the lower surface of the lower grinding disc, and the upper end of the cylinder body is inserted into the ring groove in a matching mode.

Furthermore, the lower surface of the upper grinding disc and the upper surface of the lower grinding disc are both provided with bulges.

Furthermore, the top parts of the crusher and the separator are communicated with a dust removal and purification device through pipelines.

The utility model discloses at the during operation, put into the breaker with steelmaking tailings from the feed inlet, steelmaking tailings fall on lower mill behind feedstock channel and begin the crushing work of steelmaking tailings, wherein the head mill is the up-and-down motion by the master cylinder drive, lower mill is the rotary motion by the motor drive, through the mating reaction of head mill and lower mill, successively carry out primary crushing and secondary crushing to steelmaking tailings, when once crushing, lower mill does not move, the head mill does the up-and-down motion, break steelmaking tailings into small blocks, during secondary crushing, the head mill moves down and supports steelmaking tailings on lower mill, and the distance between head mill and lower mill reduces gradually, lower mill is rotary motion simultaneously, grind small block steelmaking tailings into tiny granule, the fine material of granular steelmaking tailings falls to the screw conveyer from the blanking space between lower mill and the adjusting cylinder, the fine materials are conveyed into a sorting machine through a screw conveyer and a lifter, and are sequentially subjected to various levels of vibrating screens to obtain steelmaking tailing particles with different particle sizes, wherein iron components in the fine materials are collected through a suspension type iron remover. In addition, the adjusting cylinder can move up and down to adjust the size of the blanking gap so as to adjust the granularity of fine materials passing through the blanking gap. The utility model is simple in operation, broken and select separately effectually, work efficiency is high, has apparent economic value and social value.

Drawings

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

in the figure: 1-crusher, 2-classifier, 3-cabinet, 4-feed channel, 5-upper grinding disc, 6-feed inlet, 7-discharge outlet, 8-main cylinder, 9-lower grinding disc, 10-cabinet, 11-motor, 12-adjusting cylinder, 13-blanking gap, 14-slide rail, 15-adjusting cylinder, 16-supporting plate, 17-screw conveyor, 18-elevator, 19-classifying shell, 20-primary vibrating screen, 21-secondary vibrating screen, 22-tertiary vibrating screen, 23-discharge outlet, 24-suspended iron remover, 25-crushed slag inlet, 26-coarse crusher, 27-coarse crushing shell, 28-feed hopper, 29-conveying belt, 30-toothed roller, 31-arc striker plate, 32-cylinder, 33-ring groove, 34-bulge and 35-dust removal purification device.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements based on the present invention are all within the protection scope of the present invention.

As shown in figure 1, the utility model comprises a crusher 1 and a separator 2, the crusher 1 comprises a casing 3, a feed channel 4 is arranged at one side of the upper part in the casing 3, an upper millstone 5 is arranged at the other side, a feed inlet 6 is arranged at the top of the casing 3 above the feed channel 4, a discharge outlet 7 is arranged at the bottom of the feed channel 4, a main cylinder 8 is arranged at the top of the casing 3, the piston rod of the main cylinder 8 passes through the top of the casing 3 and then is connected with the upper millstone 5, a lower millstone 9 is arranged below the upper millstone 5 in a matching way, a casing 10 is fixed below the lower millstone 9, a motor 11 is arranged in the casing 10, the output shaft of the motor 11 passes through the top wall of the casing 10 and then is connected with the lower surface of the lower millstone 9, an adjusting cylinder 12 is arranged on the side wall of the casing 3 around the lower millstone 9, the cross section of the inner wall of the adjusting, leave blanking space 13 before the outer wall of lower mill 9 and the inner wall of adjusting a section of thick bamboo 12, be provided with slide rail 14 on the inner wall of casing 3, sliding connection between the outer wall of adjusting a section of thick bamboo 12 and slide rail 14, install adjust the cylinder 15 on the outer wall of casing 3, it has vertical bar shape opening to process on the lateral wall of casing 3, be connected with backup pad 16 on adjust the piston rod of cylinder 15, the one end of backup pad 16 is connected with the outer wall of adjusting a section of thick bamboo 12 after passing vertical bar shape opening, be provided with screw conveyer 17 in the casing 3 of quick-witted case 10 below, the outside of breaker 1 is provided with lifting machine 18, screw conveyer 17's discharge end is stretched out behind the outside of casing 3 and is communicated with the feed end of lifting.

Sorter 2 is including selecting separately casing 19, the inside from the top down of selecting separately casing 19 is provided with one-level shale shaker 20 at the interval slope in proper order, second grade shale shaker 21 and tertiary shale shaker 22, one-level shale shaker 20, the aperture of second grade shale shaker 21 and tertiary shale shaker 22 reduces in proper order, one-level shale shaker 20, all be provided with bin outlet 23 on the sorting casing 19 of second grade shale shaker 21 and tertiary shale shaker 22 lower one end top respectively, one-level shale shaker 20, the respective top of second grade shale shaker 21 and tertiary shale shaker 22 all is provided with suspension type de-ironing separator 24, disintegrating slag import 25 has been seted up on the sorting casing 19 of the higher one end top of one-level shale shaker 20, and disintegrating slag import 25 is located the below of 18 discharge end of lifting machine.

The utility model discloses at the during operation, in throwing into breaker 1 from feed inlet 6 with steelmaking tailings, the crushing work of steelmaking tailings begins steelmaking tailings on mill 9 after feedstock channel 4 falls, wherein the updraft mill 5 is the up-and-down motion by the 8 drives of master cylinder, rotary motion is done by motor 11 drive to lower mill 9, cooperation through updraft mill 5 and lower mill 9, successively carry out primary crushing and secondary crushing to steelmaking tailings, when primary crushing, lower mill 9 does not move, updraft mill 5 is the up-and-down motion, with the steelmaking tailings broken chunky, during the secondary crushing, updraft mill 5 moves down and supports steelmaking tailings on mill 9 down, and the distance between updraft mill 5 and lower mill 9 reduces gradually, simultaneously lower mill 9 is rotary motion, grind little massive steelmaking tailings into tiny graininess, concrete working process does: opening a main cylinder 8, driving an upper grinding disc 5 to move downwards by the main cylinder 8 so as to enable the steelmaking tailings to be abutted against the surface of a lower grinding disc 9 and to be extruded and crushed, carrying out repeated reciprocating extrusion and crushing work on the steelmaking tailings by the upper grinding disc 5 so as to enable the steelmaking tailings to be crushed into small blocks, completing primary crushing of the steelmaking tailings, then carrying out secondary crushing, opening the main cylinder 8, driving the upper grinding disc 5 to move downwards by the main cylinder 8 so as to enable the steelmaking tailings to be abutted against the surface of the lower grinding disc 9, adjusting the feeding amount of the main cylinder 8 so as to enable the distance between the upper grinding disc 5 and the lower grinding disc 9 to be gradually reduced, simultaneously starting a motor 11, driving the lower grinding disc 9 to rotate by the motor 11 so as to grind the steelmaking tailings subjected to primary crushing into granular fine materials, and then enabling the granular steelmaking tailings fine materials to fall into a spiral conveyor 17 from a blanking gap 13 between the lower grinding disc 9 and an adjusting cylinder 12, the fine materials are sent to a separator 2 through a screw conveyer 17 and a lifter 18, and are sequentially sieved by various levels of vibrating screens to obtain steelmaking tailing particles with different particle sizes, wherein iron components in the fine materials are collected through a suspension type iron remover 24. In addition, the adjusting cylinder 12 can move up and down to adjust the size of the blanking gap 13, so as to adjust the granularity of the fine materials passing through the blanking gap 13.

The feed inlet of breaker 1 is provided with coarse crusher 26, coarse crusher 26 includes coarse crushing casing 27, the top of coarse crushing casing 27 is provided with feeder hopper 28, from the top down has set gradually crushing mechanism and conveyer belt 29 in the coarse crushing casing 27 of feeder hopper 28 below, crushing mechanism includes the fluted roller 30 of two parallel interval settings, two fluted rollers 30 are located same horizontal position, and the direction of rotation of two fluted rollers 30 is inside in opposite directions, the outside of coarse crushing casing 27 is stretched out to the discharge end of conveyer belt 29, and the discharge end of conveyer belt 29 is located the top of breaker 1 feed inlet 6. The coarse crusher 26 is used for performing early crushing treatment on the steelmaking tailings, crushing large steelmaking tailings, and facilitating crushing treatment of the subsequent crusher 1.

The arc-shaped material baffle plate 31 is arranged on the shell top of the shell 3 on one side of the feeding hole 6, the steelmaking tailings falling from the conveying belt 29 can possibly fall onto the shell top of the shell 3, and the arc-shaped material baffle plate 31 can ensure that all the steelmaking tailings fall into the feeding hole 6.

The top wall of the case 10 is provided with a cylinder body 32, a ring groove 33 is processed on the lower surface of the lower grinding disc 9, the upper end of the cylinder body 32 is inserted into the ring groove 33 in a matching manner, the ring groove 33 and the upper end of the cylinder body 32 can slide, and the cylinder body 32 can support the lower grinding disc 9 and limit the lower grinding disc to prevent the lower grinding disc from generating deflection and displacement and ensure the normal operation of equipment.

The lower surface of the upper grinding disc 5 and the upper surface of the lower grinding disc 9 are both provided with the protrusions 34, the arrangement of the protrusions 34 can accelerate the crushing of the steelmaking tailings, and for prolonging the service life, the protrusions 34 can be made of materials with high wear resistance and high hardness.

All there is dust purification device 35 at the top of breaker 1 and sorter 2 through the pipeline intercommunication, and dust purification device 35 is existing equipment, can purchase the use as required on the market, and breaker 1 and sorter 2 can produce a large amount of dusts at the in-process that carries out breakage and sorting to the steelmaking tailings, if direct emission, can cause the pollution to the environment, consequently, need input dust purification device 35 with these dusts and carry out dust removal purification treatment.

Claims

1. The utility model provides a broken sorting unit of steelmaking tailings which characterized in that: the crusher comprises a crusher (1) and a separator (2), wherein the crusher (1) comprises a casing (3), a feeding channel (4) is arranged on one side of the inner upper part of the casing (3), an upper grinding disc (5) is arranged on the other side of the inner upper part of the casing (3), a feeding port (6) is formed in the top of the casing (3) above the feeding channel (4), a discharging port (7) is formed in the bottom of the feeding channel (4), a main cylinder (8) is installed on the top of the casing (3), a piston rod of the main cylinder (8) penetrates through the top of the casing (3) and then is connected with the upper grinding disc (5), a lower grinding disc (9) is arranged below the upper grinding disc (5) in a matched manner, a machine case (10) is fixed below the lower grinding disc (9), a motor (11) is installed in the machine case (10), an output shaft of the motor (11) penetrates through the top wall of the machine case (10) and then is connected with the lower surface of the, the cross section of the inner wall of the adjusting cylinder (12) is in a trapezoid shape with a large upper opening and a small lower opening, the outer wall of the lower grinding disc (9) is parallel to the inner wall of the adjusting cylinder (12), a blanking gap (13) is reserved between the outer wall of the lower grinding disc (9) and the inner wall of the adjusting cylinder (12), a sliding rail (14) is arranged on the inner wall of the casing (3), the outer wall of the adjusting cylinder (12) is in sliding connection with the sliding rail (14), an adjusting cylinder (15) is installed on the outer wall of the casing (3), a vertical bar-shaped opening is processed on the side wall of the casing (3), a supporting plate (16) is connected onto a piston rod of the adjusting cylinder (15), one end of the supporting plate (16) penetrates through the vertical bar-shaped opening and then is connected with the outer wall of the adjusting cylinder (12), a spiral conveyor (17) is arranged in the casing (3) below the machine case (10), and a lifter, the discharge end of the screw conveyor (17) extends out of the shell (3) and then is communicated with the feed end of the elevator (18);

the separator (2) comprises a separation shell (19), a first-stage vibrating screen (20), a second-stage vibrating screen (21) and a third-stage vibrating screen (22) are sequentially and obliquely arranged in the separation shell (19) from top to bottom at intervals, the apertures of the first-stage vibrating screen (20), the second-stage vibrating screen (21) and the third-stage vibrating screen (22) are sequentially reduced, the first-stage vibrating screen (20), all be provided with bin outlet (23) on sorting shell (19) of second grade shale shaker (21) and tertiary shale shaker (22) lower one end top respectively, the top of each of one-level shale shaker (20), second grade shale shaker (21) and tertiary shale shaker (22) all is provided with suspension type de-ironing separator (24), has seted up disintegrating slag import (25) on sorting shell (19) of the higher one end top of one-level shale shaker (20), and disintegrating slag import (25) are located the below of lifting machine (18) discharge end.

2. The steelmaking tailings crushing and sorting device according to claim 1, wherein a coarse crusher (26) is arranged at a feed inlet of the crusher (1), the coarse crusher (26) comprises a coarse crushing shell (27), a feed hopper (28) is arranged at the top of the coarse crushing shell (27), a crushing mechanism and a conveying belt (29) are sequentially arranged in the coarse crushing shell (27) below the feed hopper (28) from top to bottom, the crushing mechanism comprises two parallel toothed rollers (30) which are arranged at intervals, the two toothed rollers (30) are positioned at the same horizontal position, the rotating directions of the two toothed rollers (30) are opposite to each other inwards, the discharge end of the conveying belt (29) extends out of the coarse crushing shell (27), and the discharge end of the conveying belt (29) is positioned above the feed inlet (6) of the crusher (1).

3. The steelmaking tailing crushing and sorting device as claimed in claim 2, wherein an arc-shaped material baffle plate (31) is arranged on the top of the shell (3) on one side of the feeding hole (6).

4. The steelmaking tailings crushing and sorting device as claimed in claim 1, wherein: be provided with barrel (32) on the roof of quick-witted case (10), processing has annular (33) on the lower surface of lower mill (9), the upper end cooperation of barrel (32) is inserted in annular (33).

5. The steelmaking tailings crushing and sorting device according to claim 1, wherein the lower surface of the upper grinding disc (5) and the upper surface of the lower grinding disc (9) are provided with protrusions (34).

6. The steelmaking tailings crushing and sorting device as claimed in claim 1, wherein the top parts of the crusher (1) and the sorter (2) are communicated with a dust removal and purification device (35) through pipelines.