CN109718897B

CN109718897B - A grading and dust pelletizing system for mineral preliminary treatment

Info

Publication number: CN109718897B
Application number: CN201910073929.XA
Authority: CN
Inventors: 高志勇; 张晚佳; 张涛; 曹建; 孙伟; 胡岳华
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2021-01-26
Anticipated expiration: 2039-01-25
Also published as: CN109718897A

Abstract

The invention discloses a grading and dedusting system for mineral pretreatment, which comprises a bracket, wherein the upper side of the bracket is fixedly connected with a box body, the outer side wall of the box body is fixedly connected with a protective cover, the upper side of the box body is fixedly connected with a material collecting hopper, the lower side of the material collecting hopper is rotatably connected with a material stirring column, two crushing wheels are rotatably connected inside the box body, a base plate is arranged inside the box body, a turbine is rotatably connected on the base plate, a sieve plate is arranged between the turbine and the base plate, one side of the box body is connected with an upper cover through a hoop strip, and the lower side of the upper cover is movably connected with a collecting barrel. But also avoids the waste of resources.

Description

A grading and dust pelletizing system for mineral preliminary treatment

Technical Field

The invention relates to the technical field of mineral grading and dust removal, in particular to a grading and dust removal system for mineral pretreatment.

Background

Solid minerals need different particle sizes according to different purposes, so the minerals need to be graded and crushed after being smelted, the conventional mechanical crushing is mostly adopted for crushing the minerals at present, the investment of mechanical crushing equipment is small, the safety coefficient is high, but the mineral particles are not uniform after being crushed by the conventional mechanical crushing method, and therefore screening equipment is needed for screening, so the equipment capital investment is increased; mineral dust can be produced when the minerals are screened and crushed, the dust has higher industrial utilization value, but most of the existing screening and crushing equipment do not have a dust collecting device, and the dust flies when the minerals are crushed and screened, so that the environment is polluted, the physical health of staff is influenced, and the waste of resources is caused, and therefore, a grading and dust removing system for mineral pretreatment is provided.

Disclosure of Invention

The object of the present invention is to provide a classification and dust removal system for mineral pre-treatment that solves the problems set out in the background art mentioned above.

In order to achieve the purpose, the invention provides the following technical scheme: a grading and dedusting system for mineral pretreatment comprises a support, wherein a box body is fixedly connected to the upper side of the support, a protective cover is fixedly connected to the outer side wall of the box body, a material collecting hopper is fixedly connected to the upper side of the box body, the lower side of the material collecting hopper extends into the box body, a material stirring column is rotatably connected to the lower side of the material collecting hopper, a rotating shaft of the material stirring column penetrates through the side wall of the box body and extends into the protective cover, two crushing wheels are rotatably connected to the lower side of the material stirring column and located inside the box body, rotating shafts of the two crushing wheels penetrate through the side wall of the box body and extend into the protective cover, gears are fixedly connected to the rotating shafts of the two crushing wheels and are meshed with each other, a central shaft of any one gear is respectively connected with the rotating shaft of the material stirring column and an output shaft of a first motor through a belt;

a base plate is arranged in the box body and positioned at the lower sides of the two crushing wheels, one side of the base plate penetrates through the side wall of the box body and extends to the outside of the box body, a turbine is rotatably connected to the base plate, one end, close to the box body, of the turbine is fixedly connected with an output shaft of a second motor, the second motor is fixedly connected to a support, and a sieve plate is arranged between the turbine and the base plate;

one side of box is connected with the upper cover through the hoop, and the upper cover passes through passageway and box intercommunication, the opposite face that just is located the passageway on the lateral wall of box is equipped with the fan, the downside of upper cover and the upside that is located the support are opened there is the spout, the inside sliding connection of spout has the slide, the upside swing joint of slide has the collecting vessel, the upside and the upper cover swing joint of collecting vessel.

Preferably, the upper side of the material accumulating hopper is fixedly connected with a feeding hole through a bolt.

Preferably, the accumulation hopper is shaped like a hopper, and has a large upper side and a small lower side.

Preferably, a baffle is arranged inside the feed inlet.

Preferably, the right end of the sieve plate penetrates through the side wall of the box body and extends to the outside of the box body, the inner portion of the sieve plate is fixedly connected with an inclined plate, the inclined plate is movably connected with a driving lever fixedly connected to an output shaft of the second motor, guide pillars are fixedly connected to the outer side wall of the box body and located on two sides of the sieve plate, and the convex block of the sieve plate is connected to the guide pillars in a sliding mode through springs.

Preferably, a plurality of shifting teeth are arranged on the outer side wall of the material shifting column in a circumferential array.

Preferably, the lateral wall of upper cover is last to open there is the air outlet, the inside activity joint of air outlet has the dust screen, the both sides fixedly connected with fixture block of dust screen, and the fixture block activity joint is in the inside of draw-in groove, the draw-in groove is opened on the both sides wall of air outlet.

Preferably, the upper side of the upper cover is fixedly connected with an atomizing pump, a spray head is arranged on the lower side of the atomizing pump, and the spray head extends into the upper cover.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, minerals are crushed at one time through the two crushing wheels, and crushed mineral particles fall onto the sieve plate, the sieve plate is divided into a plurality of sieving areas with holes of different diameters, the mineral particles move on the sieve plate through the rotation of the turbine, and the mineral particles fall from the adaptive sieving areas, so that the sieving is more thorough, and the mineral crushing and the sieving are combined into a device, thereby effectively saving the equipment cost; and the feed inlet can be sealed with the upside of the device through rotating baffle, and when mineral particles fall on the sieve plate, the fan can blow the mineral dust in the fan through the passageway to the inside of upper cover, the shower nozzle spun fog of rethread atomizing pump makes the quick drop of water attached to in the air of mineral dust fall, the inside of collection bucket is retrieved to final dust, the pollution that has reduced the environment like this and the harm to staff's health, and the waste of resource has still been avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the chute, slide and collection barrel of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view of the housing, accumulation hopper and feed inlet of the present invention;

FIG. 5 is an enlarged view of the invention at B of FIG. 4;

FIG. 6 is a cross-sectional view of the housing, base plate, turbine and screen of the present invention;

FIG. 7 is an enlarged view of the invention at C of FIG. 6;

FIG. 8 is a cross-sectional view of the container, channel, collection bucket and upper cover of the present invention;

FIG. 9 is a cross-sectional view of the kick-off post and breaker wheel of the present invention;

FIG. 10 is a cross-sectional view of the slide plate, collection bucket and upper cover of the present invention;

fig. 11 is a cross-sectional view of the base plate, turbine and screen plate of the present invention.

In the figure: 1. the device comprises a support, 2, a box body, 3, a material accumulating hopper, 4, a feeding hole, 5, a material stirring column, 6, a crushing wheel, 7, a protective cover, 8, a gear, 9, a first motor, 10, a base plate, 11, a turbine, 12, a sieve plate, 13, a second motor, 14, an inclined plate, 15, a shifting lever, 16, a guide pillar, 17, a spring, 18, an upper cover, 19, a channel, 20, an atomizing pump, 21, a spray head, 22, a fan, 23, an air outlet, 24, a dust screen, 25, a clamping groove, 26, a clamping block, 27, a sliding groove, 28, a sliding plate, 29, a collecting barrel, 30 and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: a grading and dust removal system for mineral pretreatment comprises a support 1, wherein a box body 2 is fixedly connected to the upper side of the support 1, a protective cover 7 is fixedly connected to the outer side wall of the box body 2, the protective cover 7 can cover a transmission device of the device to prevent the transmission device from being exposed outside and avoid accidentally injuring workers, a material collecting hopper 3 is fixedly connected to the upper side of the box body 2, the material collecting hopper 3 is in a hopper shape, the upper side of the material collecting hopper 3 is large, the lower side of the material collecting hopper 3 is small, minerals are pushed and collected in the material collecting hopper 3, the minerals at the bottom of the material collecting hopper 3 can uniformly fall into the box body 2 from the bottom of the material collecting hopper 3, and the minerals at the upper side of the material feeding hopper 3 can automatically slide the bottom of the material collecting hopper 3, so that the workers can be prevented from continuously adding minerals into the device, the working strength of the workers is reduced, and the, the lower side of the material collecting hopper 3 is rotatably connected with a material stirring column 5, a plurality of stirring teeth are circumferentially arrayed on the outer side wall of the material stirring column 5, when the material stirring column 5 rotates, minerals in the material collecting hopper 3 can fall on the stirring teeth, and the stirring teeth can roll the minerals to rotate together, so that when the minerals which are rolled to rotate along with the material stirring column 5, after the minerals rotate to the lower side of the material stirring column 5, the minerals can fall in the box body 2 along with the gravity of the minerals, and sequentially circulate, so that the minerals in the material collecting hopper 3 can more uniformly enter the box body 2, the two crushing wheels 6 can more uniformly crush the minerals, a rotating shaft of the material stirring column 5 penetrates through the side wall of the box body 2 and extends to the inside of the protective cover 7, the lower side of the material stirring column 5 and the inside of the box body 2 are rotatably connected with two crushing wheels 6, and the two crushing wheels 6 are used for crushing the minerals, the outer side wall of the crushing device is provided with teeth for crushing, the two crushing wheels 6 rotate in opposite directions, so that the mineral falling from the material collecting hopper 3 into the box body 2 can be rolled between the two crushing wheels 6 for extrusion crushing, the rotating shafts of the two crushing wheels 6 penetrate through the side wall of the box body 2 and extend into the shield 7, the two gears 8 are fixedly connected with each other, the two gears 8 are meshed and connected, the diameters of the two gears 8 are the same, therefore, the rotating speeds of the two crushing wheels 6 are the same, the two gears 8 are meshed and then reversely rotate, so that the two gears 8 can drive the crushing wheels 6 to reversely rotate, the central shaft of any one gear 8 is respectively connected with the rotating shaft of the material shifting column 5 through a belt and is connected with the output shaft of the first motor 9, the first motor 9 provides power for the two crushing wheels 6 and also provides power for the material shifting column 5, and the first motor 9 is fixedly connected to the outer side wall of the box body 2;

a base plate 10 is arranged in the box body 2 and on the lower sides of the two crushing wheels 6, the lower side of the base plate 10 is provided with grooves, each groove corresponds to a screening area, a box for collecting mineral particles is arranged below each groove, the mineral particles falling after screening are collected, one side of the base plate 10 penetrates through the side wall of the box body 2 and extends to the outside of the box body, a turbine 11 is connected to the base plate 10 in a rotating manner, the turbine 11 can move the mineral particles on a screen plate 12 when rotating, one end, close to the box body 2, of the turbine 11 is fixedly connected with an output shaft of a second motor 13, the second motor 13 is fixedly connected to the bracket 1, a screen plate 12 is arranged between the turbine 11 and the base plate 10, the screen plate 12 slides on the base plate 10, the screen plate 12 is provided with screening areas with screen holes with different diameters, the screen holes close to the box body 2 are small, and the screen holes far away from the, therefore, the crushed minerals can be screened according to different particle sizes;

one side of the box body 2 is connected with an upper cover 18 through a hoop strip, the upper cover 18 is communicated with the box body 2 through a channel 19, a fan 22 is arranged on the side wall of the box body 2 and is positioned on the opposite side of the channel 19, when dust falls and moves along with mineral particles, the fan 22 blows the dust into the upper cover 18 through the channel 19 to play a role of recovering the dust, a chute 27 is arranged on the lower side of the upper cover 18 and is positioned on the upper side of the bracket 1, a sliding plate 28 is connected in the chute 27 in a sliding manner, a collecting barrel 29 is movably connected on the upper side of the sliding plate 28, the upper side of the collecting barrel 29 is movably connected with the upper cover 18, when the dust in the collecting barrel 29 is fully collected, the sliding plate 28 is drawn out of the chute 27, so that the collecting barrel 29 is disconnected with the upper cover 18, and the collecting barrel 29 filled with the dust is taken off from the sliding plate 28 through a handle on the side wall of, and then replaced with a new collection bucket 29.

Particularly, bolt fixedly connected with feed inlet 4 is passed through to the upside of long-pending hopper 3, and the lower lateral wall of feed inlet 4 has certain inclination (the one end that is close to long-pending hopper 3 is low), and mineral can flow into the inside of long-pending hopper 3 automatically like this, the inside of feed inlet 4 is equipped with baffle 30, and baffle 30 can seal feed inlet 4 and can not influence the entering of mineral, and when mineral pours into feed inlet 4, baffle 30 can be pushed up by mineral and rotate to can guarantee that mineral can be smooth and easy the inside that enters into long-pending hopper 3, when feed inlet 4 does not have mineral to pass through, baffle 30 can seal feed inlet 4 because self gravity, prevent that the dust from floating out from feed inlet 4.

Specifically, the right end of the screen plate 12 penetrates through the side wall of the box 2 and extends to the outside of the box, an inclined plate 14 is fixedly connected inside the box, the inclined plate 14 has a certain inclination angle relative to the output shaft of the second motor 13, when the second motor 13 rotates, the inclined plate 14 is pressed by a shift lever 15, so that the screen plate 12 slides, the inclined plate 14 is movably connected with the shift lever 15 fixedly connected to the output shaft of the second motor 13, the shift lever 15 rotates for one circle, and contacts with the inclined plate 14 and presses the inclined plate 14, so that the inclined plate 14 can make the screen plate 12 slide on the base plate 10, and the screen plate 12 can press and deform a spring 17 during sliding, guide posts 16 are fixedly connected to both sides of the screen plate 12 on the outer side wall of the box 2, a bump of the screen plate 12 is slidably connected to the guide posts 16 through the spring 17, and when the shift lever 15 is separated from contact with the inclined plate, the sieve 12 can vibrate once in the twinkling of an eye, and the mineral particles on the sieve 12 also can vibrate like this, along with the incessant rotation of second motor 13, this action is constantly circulated to make the more thorough of mineral particle screening.

Specifically, the side wall of the upper cover 18 is provided with an air outlet 23, the channel 19 and the fan 22 are positioned on the same straight line, the air outlet 23 is additionally provided to prevent air blown by the fan 22 from flowing back, so as to ensure that the fan 22 blows dust into the interior of the upper cover 18 more smoothly, the interior of the air outlet 23 is movably clamped with a dust screen 24, the dust screen 24 can allow air to flow out of the interior of the upper cover 18, but the density of the dust screen 24 is dense, so as to block dust in the interior of the upper cover 18, two sides of the dust screen 24 are fixedly connected with a fixture block 26, the fixture block 26 is movably clamped in the interior of a clamping groove 25, the clamping grooves 25 are arranged on two side walls of the air outlet 23, the dust screen 24 has certain elasticity, during installation, the fixture block 26 on one side of the dust screen 24 is inserted into one clamping groove 25, then the dust screen 24 is bent, and the, the dustproof net 24 is loosened, so that the dustproof net 24 is reset according to elasticity to enable the fixture block 26 to be clamped in the fixture groove 25, and the dustproof net 24 covers the air outlet 23.

Specifically, the upside fixedly connected with atomizing pump 20 of upper cover 18 is equipped with the water pipe on atomizing pump 20, and the water pipe is connected atomizing pump 20 and external water tank, atomizing pump 20's downside is equipped with shower nozzle 21, and shower nozzle 21 extends to the inside of upper cover 18, and the dust can be drenched with the dust by the spun fog of shower nozzle 21 of atomizing pump 20 and condenses, and the inside of collecting vessel 29 can be fallen to final dust.

The working principle is as follows: when the device is used, the device is connected with an external power supply, so that the first motor 9, the second motor 13, the fan 22 and the atomizing pump 20 work, solid minerals are poured into the accumulating hopper 3 from the feed inlet 4, the stirring column 5 can uniformly stir the minerals in the accumulating hopper 3 into the box body 2 along with the rotation of the stirring column 5, the minerals can fall between the two crushing wheels 6 according to gravity to be crushed, when mineral particles are crushed, some mineral dust can be generated to float in the box body 2, the side wall of the box body 2 is sealed, the upper side of the box body is sealed by the baffle 30, the lower side of the box body is sealed by the turbine 11, when the dust moves along with the downward falling of the mineral particles, the fan 22 can blow the dust into the upper cover 18 through the channel 19, when the dust reaches the inner part of the upper cover 18, the dust can be wetted and condensed by the fog sprayed by the spray nozzle 21 of the atomizing pump 20, finally, the dust can be collected in the collecting bucket 29, the mineral particles (without dust) crushed by the two crushing wheels 6 can fall onto the rotary screen plate 12, the screen plate 12 is provided with a plurality of screening areas with holes of different diameters, the mineral particles can move on the screen plate 12 through the rotation of the turbine 11, so that the mineral particles can fall from the adapted screening areas, when the second motor 13 rotates, the deflector rod 15 can rotate along with the turbine 11, the deflector rod 15 rotates for a circle, can contact with the inclined plate 14 and extrude the inclined plate 14, so that the inclined plate 14 can enable the screen plate 12 to slide on the base plate 10, when the deflector rod 15 is separated from the inclined plate 14, through the elastic force reset action of the spring 17, the screen plate 12 can vibrate for a moment, so that the mineral particles on the screen plate 12 can also vibrate, the action is continuous and circular, so that the mineral particles can be screened more thoroughly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hierarchical and dust pelletizing system for mineral pretreatment, includes support (1), upside fixedly connected with box (2) of support (1), fixedly connected with guard shield (7) on the lateral wall of box (2), upside fixedly connected with long-pending hopper (3) of box (2), and the downside of long-pending hopper (3) extends to the inside of box (2), its characterized in that: the material collecting hopper is characterized in that a material stirring column (5) is rotatably connected to the lower side of the material collecting hopper (3), a rotating shaft of the material stirring column (5) penetrates through the side wall of the box body (2) and extends to the inside of the protective cover (7), two crushing wheels (6) are rotatably connected to the lower side of the material stirring column (5) and the inside of the box body (2), rotating shafts of the two crushing wheels (6) penetrate through the side wall of the box body (2) and extend to the inside of the protective cover (7), gears (8) are fixedly connected with the lower side of the material stirring column (5), the two gears (8) are meshed and connected with each other, a central shaft of any one gear (8) is respectively connected with the rotating shaft of the material stirring column (5) and an output shaft of a first motor (9) through a belt, and the first;

a base plate (10) is arranged inside the box body (2) and on the lower side of the two crushing wheels (6), one side of the base plate (10) penetrates through the side wall of the box body (2) and extends to the outside of the box body, a turbine (11) is rotatably connected to the base plate (10), one end, close to the box body (2), of the turbine (11) is fixedly connected with an output shaft of a second motor (13), the second motor (13) is fixedly connected to the support (1), and a sieve plate (12) is arranged between the turbine (11) and the base plate (10);

one side of the box body (2) is connected with an upper cover (18) through a hoop strip, the upper cover (18) is communicated with the box body (2) through a channel (19), a fan (22) is arranged on the side wall of the box body (2) and on the opposite surface of the channel (19), a sliding groove (27) is formed in the lower side of the upper cover (18) and on the upper side of the support (1), a sliding plate (28) is connected inside the sliding groove (27) in a sliding mode, a collecting barrel (29) is movably connected to the upper side of the sliding plate (28), and the upper side of the collecting barrel (29) is movably connected with the upper cover (18);

a space for moving mineral particles is formed between the sieve plate (12) and the rotating turbine (11), and sieve areas with different diameter sieve holes are arranged on the sieve plate (12);

the right end of the sieve plate (12) penetrates through the side wall of the box body (2) and extends to the outside of the box body, an inclined plate (14) is fixedly connected to the inside of the box body, the inclined plate (14) is movably connected with a shifting lever (15) fixedly connected to an output shaft of a second motor (13), guide pillars (16) are fixedly connected to the outer side wall of the box body (2) and located on two sides of the sieve plate (12), and a convex block of the sieve plate (12) is connected to the guide pillars (16) in a sliding mode through springs (17);

the driving of the second motor (13) enables the turbine (11) and the sieve plate (12) to form horizontal reciprocating oscillating motion and enables the turbine (11) and the sieve plate (12) to rotate relatively to achieve transportation of mineral particles, the reciprocating motion path between the turbine (11) and the sieve plate (12) is parallel to the mineral transportation path, the driving of the second motor (13) accelerates the sieving without changing the space for movement of the mineral particles formed between the sieve plate (12) and the rotating turbine (11), and all the mineral particles are transported and transferred finally.

2. A classification and dust removal system for mineral pretreatment according to claim 1, characterized in that: the upper side of the material accumulating hopper (3) is fixedly connected with a feeding hole (4) through a bolt.

3. A classification and dust removal system for mineral pretreatment according to claim 2, characterized in that: the material accumulating hopper (3) is hopper-shaped, and is large at the upper side and small at the lower side.

4. A classification and dust removal system for mineral pretreatment according to claim 2, characterized in that: and a baffle (30) is arranged in the feed inlet (4).

5. A classification and dust removal system for mineral pretreatment according to claim 1, characterized in that: a plurality of poking teeth are arranged on the outer side wall of the poking column (5) in a circumferential array.

6. A classification and dust removal system for mineral pretreatment according to claim 1, characterized in that: open on the lateral wall of upper cover (18) has air outlet (23), the inside activity joint of air outlet (23) has dust screen (24), the both sides fixedly connected with fixture block (26) of dust screen (24), and fixture block (26) activity joint is in the inside of draw-in groove (25), draw-in groove (25) are opened on the both sides wall of air outlet (23).

7. A classification and dust removal system for mineral pretreatment according to claim 6, wherein: the upper cover is characterized in that an atomizing pump (20) is fixedly connected to the upper side of the upper cover (18), a spray head (21) is arranged on the lower side of the atomizing pump (20), and the spray head (21) extends into the upper cover (18).