CN110280336B - Multistage recovery unit of steelmaking slag - Google Patents
Multistage recovery unit of steelmaking slag Download PDFInfo
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- CN110280336B CN110280336B CN201910616563.6A CN201910616563A CN110280336B CN 110280336 B CN110280336 B CN 110280336B CN 201910616563 A CN201910616563 A CN 201910616563A CN 110280336 B CN110280336 B CN 110280336B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/26—Magnetic separation acting directly on the substance being separated with free falling material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a multi-stage recovery device for steelmaking slag, which comprises a first machine body, wherein a material storage cavity is arranged in the first machine body, a material storage mechanism for storing and uniformly processing the steelmaking slag is arranged in the material storage cavity, a grinding cavity is arranged at the bottom wall of the material storage cavity, a grinding mechanism for grinding the steelmaking slag is arranged in the grinding cavity, and the grinding mechanism comprises a main grinding wheel and an auxiliary grinding wheel. The device has accurate blanking, high recovery rate of iron particles, high automation degree of the whole recycling process and sensitive reaction.
Description
Technical Field
The invention relates to the field of industrial waste recycling, in particular to a multi-stage recovery device for steelmaking slag.
Background
As is known, in order to remove harmful impurity elements and non-metallic inclusions from steel, a slag former is usually added during steel making, the slag former generates steel making slag during the steel making process, some steel scrap and small steel balls are often mixed in the steel making slag, and the steel scrap is discarded along with the steel making slag without screening, so that steel resources are wasted, and steel materials in the steel making slag need to be recovered; the traditional steelmaking slag recovery device has low automation degree, and workers need to stare at the device to control the recovery process step by step during recovery; in addition, the traditional steelmaking slag has single function, needs additional crushing and crushing equipment to synchronously produce, and has low economic benefit; during production, equipment needs to be started for a long time to continuously grind and crush the slag, or the slag is manually and uniformly collected and then manually added into the grinding and crushing equipment, so that the operation is complex and tedious, and the production period is long; therefore, it is necessary to design a multistage steel-making slag recycling apparatus to solve the above problems.
Disclosure of Invention
The invention aims to provide a multi-stage recovery device for steelmaking slag, which can screen iron-containing particles by utilizing magnetic force and has high automation degree and sensitive reaction.
The invention is realized by the following technical scheme.
The invention discloses a multi-stage recovery device for steelmaking slag, which comprises a first machine body, wherein a material storage cavity is arranged in the first machine body;
a material storage mechanism for storing steelmaking slag for unified treatment is arranged in the material storage cavity;
the bottom wall of the material storage cavity is provided with a grinding cavity, a grinding mechanism for grinding the steelmaking slag is arranged in the grinding cavity, the grinding mechanism comprises a main grinding wheel and an auxiliary grinding wheel, and after the steelmaking slag stored in the material storage mechanism enters the grinding cavity, the main grinding wheel and the auxiliary grinding wheel grind the steelmaking slag;
the bottom wall of the grinding cavity is provided with a fine grinding cavity, a grinding and refining mechanism for further refining the ground steelmaking slag is arranged in the fine grinding cavity, the grinding and refining mechanism comprises the fine grinding cavity, a grinding disc is arranged in the fine grinding cavity, and when the main grinding wheel grinds, the grinding disc rotates to further refine the crushed steelmaking slag between the grinding disc and the bottom wall of the fine grinding cavity to form steelmaking slag powder;
the fixed second fuselage that is equipped with of first fuselage right-hand member face, be equipped with the screening chamber that the opening is decurrent in the second fuselage, screening chamber right-hand member wall intercommunication is equipped with accomodates the chamber, accomodate the chamber with be equipped with the magnetic force screening mechanism who utilizes magnet adsorption to select iron-containing granule in the steelmaking slag powder between the screening chamber, magnetic force screening mechanism includes accomodate the chamber, accomodate the intracavity and be equipped with iron powder recovery magnet, work as stock mechanism stops to store steelmaking slag and when iron material recovery, iron powder recovery magnet stretches into after rotatory in the screening chamber, iron-containing granule in the steelmaking slag powder adsorbs gradually on the iron powder recovery magnet, work as when iron powder recovery magnet goes up the adsorbed iron granule is enough, iron powder recovery magnet reverse rotation accomodate once more in accomodating the chamber.
Further, the material storing mechanism comprises a material storing cavity, a first feed inlet is formed in the left end wall of the material storing cavity in a communicated mode, a first motor is fixedly arranged on the top wall of the material storing cavity, a first driving shaft is connected to the bottom end of the first motor in a power mode, a connecting rod extending left and right is fixedly arranged at the bottom end of the first driving shaft, the connecting rod is bilaterally and symmetrically fixedly provided with an arc-shaped sliding block capable of blocking the first feed inlet, and a laser sensor is fixedly arranged at the bottom surface of the connecting rod.
Further, deposit the material intracavity and rotate the first pivot that extends around being equipped with, fixed being equipped with in the first pivot can block up deposit the long plate in material chamber, the long plate with be connected with first spring between the material chamber left end wall, the long plate right-hand member is fixed and is equipped with the permanent magnetism piece, material chamber right end wall is fixed be equipped with the electro-magnet of laser sensor electricity federation.
Further, the grinding mechanism comprises the grinding cavity, a first collecting hole is arranged between the grinding cavity and the material storage cavity in a communicating mode, a first transmission cavity is arranged in the rear side end wall of the grinding cavity, a second rotating shaft is rotatably arranged between the first transmission cavity and the grinding cavity, the second rotating shaft in the grinding cavity is fixedly provided with the main grinding wheel, the grinding cavity is internally and rotatably provided with a third rotating shaft positioned on the left side of the second rotating shaft, the third rotating shaft is fixedly provided with the auxiliary grinding wheel, the second rotating shaft in the first transmission cavity is fixedly provided with a first bevel gear, the bottom wall of the first transmission cavity is fixedly provided with a second motor electrically connected with the laser sensor, the top end of the second motor is in power connection with a second driving shaft extending into the first transmission cavity, and a second bevel gear meshed with the first bevel gear is fixedly arranged on the second driving shaft.
Further, grind and refine the mechanism and include the fine grinding chamber, the fine grinding chamber with it is equipped with the second feed inlet to pulverize to communicate between the chamber, the fine grinding chamber bottom wall rotates and is equipped with the fourth pivot that upwards extends, fixed being equipped with first belt pulley in the fourth pivot and being located the cam of first belt pulley below, the fixed pole that is equipped with downwardly extending of cam diapire, it is equipped with circular gear to rotate on the pole, the circular gear bottom surface fixed be equipped with fine grinding chamber diapire frictional contact the mill, fine grinding chamber end wall internal fixation be equipped with circular gear meshing's ring gear.
Further, the rear side end wall of the fine grinding cavity is communicated with a second transmission cavity, the bottom end of the second motor is in power connection with a third driving shaft which stretches into the second transmission cavity, a second belt pulley is fixedly arranged on the third driving shaft in the second transmission cavity, a belt is in transmission connection between the second belt pulley and the first belt pulley, a second collecting hole is formed in the bottom wall of the fine grinding cavity, and an annular screen is communicated between the second collecting hole and the fine grinding cavity.
Furthermore, the magnetic screening mechanism comprises a containing cavity, a fifth rotating shaft extending forwards and backwards is rotatably arranged in the containing cavity, an extension rod is fixedly arranged on the fifth rotating shaft, a second spring is connected between the extension rod and the right end wall of the containing cavity, a first wire groove which penetrates up and down is arranged on the top wall of the containing cavity, a second wire groove which penetrates left and right is arranged on the right end wall of the material storage cavity, a steel wire is connected between the long plate and the extension rod, a fixed block is fixedly arranged at the left end of the extension rod, a third transmission cavity with an outward opening is arranged in the fixed block, a sixth rotating shaft extending forwards and backwards is rotatably arranged in the third transmission cavity, the iron powder recovery magnet is fixedly arranged on the sixth rotating shaft, a third spring is connected between the iron powder recovery magnet and the bottom wall of the third transmission cavity, and a reset switch electrically connected with the laser sensor is fixedly arranged on the bottom wall of the third transmission cavity.
Further, the screening chamber with the intercommunication is equipped with the third feed inlet between the second collection hole, it is equipped with the decurrent blanking hole of opening to accomodate the chamber diapire, third feed inlet back side end wall intercommunication is equipped with first slide opening, it is equipped with the slide to slide in the first slide opening, the slide can block up the third feed opening, be equipped with the through-hole that runs through about in the slide, the slide with be connected with the fourth spring between the first slide opening front end wall, screening chamber back side end wall intercommunication is equipped with the second slide opening, it is equipped with to slide in the second slide opening and stretches into the inclined plane slide in the screening chamber, the second slide opening with the intercommunication is equipped with hydraulic line between the first slide opening.
The invention has the beneficial effects that: the device screens iron-containing particles from the steel-making slag powder formed after crushing and grinding by using magnetic force, and the device recycles iron in the steel-making slag, so that the device is green and environment-friendly; in addition, before crushing and grinding, the device is stored and then crushed and ground uniformly, and a motor does not need to be started for a long time to crush and grind, so that the energy is saved, the environment is protected, and the service life is long; during grinding, the ground powder has high fineness, and the subsequent magnetic screening has high accuracy; during magnetic screening, the device has accurate blanking and high recovery rate of iron particles; the whole recycling process is high in automation degree and sensitive in reaction.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a mechanical schematic of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of E in FIG. 1;
FIG. 3 is an enlarged schematic view of F in FIG. 1;
FIG. 4 is a schematic view of the structure A-A of FIG. 1;
FIG. 5 is a schematic view of the structure of B-B in FIG. 1;
FIG. 6 is a schematic diagram of D-D of FIG. 1;
fig. 7 is a schematic view of the structure of C-C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The multi-stage steel-making slag recovery device disclosed in the attached drawings 1 to 7 comprises a first machine body 35, wherein a material storage cavity 15 is arranged in the first machine body 35;
a material storing mechanism 90 for storing steelmaking slag for unified treatment is arranged in the material storing cavity 15;
a grinding cavity 31 is arranged at the bottom wall of the material storage cavity 15, a grinding mechanism 91 for grinding the steelmaking slag is arranged in the grinding cavity 31, the grinding mechanism 91 comprises a main grinding wheel 28 and an auxiliary grinding wheel 30, and after the steelmaking slag stored in the material storage mechanism 90 enters the grinding cavity 31, the main grinding wheel 28 and the auxiliary grinding wheel 30 grind the steelmaking slag;
the bottom wall of the grinding cavity 31 is provided with a fine grinding cavity 19, a grinding and refining mechanism 92 for further refining the ground steelmaking slag is arranged in the fine grinding cavity 19, the grinding and refining mechanism 92 comprises the fine grinding cavity 19, a grinding disc 50 is arranged in the fine grinding cavity 19, and when the main grinding wheel 28 grinds, the grinding disc 50 rotates to further refine the ground steelmaking slag between the grinding disc 50 and the bottom wall of the fine grinding cavity 19 to form steelmaking slag powder;
a second machine body 25 is fixedly arranged on the right end face of the first machine body 35, a screening cavity 24 with a downward opening is arranged in the second machine body 25, the right end wall of the screening cavity 24 is communicated with a containing cavity 23, a magnetic screening mechanism 93 for screening iron-containing particles in the steelmaking slag powder by utilizing the magnet adsorption is arranged between the containing cavity 23 and the screening cavity 24, the magnetic screening mechanism 93 comprises the containing cavity 23, the iron powder recovery magnet 40 is arranged in the containing cavity 23, when the storage mechanism 90 stops storing the steelmaking slag and recovers the iron material, the iron powder recovering magnet 40 rotates and then extends into the screening chamber 24, iron-containing particles in the steel-making slag powder are gradually adsorbed on the iron powder recovering magnet 40, when the iron particles adsorbed to the iron powder recovery magnet 40 are sufficiently large, the iron powder recovery magnet 40 rotates in the reverse direction and is again accommodated in the accommodation chamber 23.
A first rotating shaft 12 extending forwards and backwards is rotatably arranged in the material storage cavity 15, a long plate 13 capable of blocking the material storage cavity 15 is fixedly arranged on the first rotating shaft 12, a first spring 14 is connected between the long plate 13 and the left end wall of the material storage cavity 15, a permanent magnet 33 is fixedly arranged at the right end of the long plate 13, an electromagnet 34 electrically connected with the laser sensor 72 is fixedly arranged on the right end wall of the material storage cavity 15, when the first motor 10 is started, the first motor 10 drives the connecting rod 55 to rotate, the connecting rod 55 drives the arc-shaped sliding block 53 to rotate, the rotating arc-shaped sliding block 53 prevents steelmaking slag from accumulating at the left side of the material storage cavity 15 to block the first feed inlet 11, then the steelmaking slag falls on the surface of the long plate 13, and when the steelmaking slag on the surface of the long plate 13 gradually accumulates to a certain extent, the laser sensor 72 receives reflected laser light for a short time, that is, the laser sensor 72 energizes the electromagnet 34 and simultaneously de-energizes the first motor 10, the electromagnet 34 is energized to repel the permanent magnet 33, the permanent magnet 33 drives the long plate 13 to rotate around the first rotating shaft 12, at this time, the long plate 13 does not block the material storage cavity 15, the steelmaking slag stored in the material storage cavity 15 is added into the grinding mechanism 91 for grinding at one time, and simultaneously, after the first motor 10 is de-energized, the arc-shaped sliding block 53 blocks the first feeding hole 11.
The grinding mechanism 91 comprises the grinding cavity 31, a first collecting hole 16 is arranged between the grinding cavity 31 and the material storage cavity 15 in a communicating manner, a first transmission cavity 56 is arranged in the rear side end wall of the grinding cavity 31, a second rotating shaft 29 is arranged between the first transmission cavity 56 and the grinding cavity 31 in a rotating manner, the main grinding wheel 28 is fixedly arranged on the second rotating shaft 29 in the grinding cavity 31, a third rotating shaft 17 positioned on the left side of the second rotating shaft 29 is arranged in the grinding cavity 31 in a rotating manner, the auxiliary grinding wheel 30 is fixedly arranged on the third rotating shaft 17, a first bevel gear 57 is fixedly arranged on the second rotating shaft 29 in the first transmission cavity 56, a second motor 60 electrically connected with the laser sensor 72 is fixedly arranged on the bottom wall of the first transmission cavity 56, and the top end of the second motor 60 is dynamically connected with a second driving shaft 59 extending into the first transmission cavity 56, a second bevel gear 58 meshed with the first bevel gear 57 is fixedly arranged on the second driving shaft 59, when the laser sensor 72 starts the second motor 60, the second motor 60 drives the second driving shaft 59 to rotate, the second driving shaft 59 drives the second bevel gear 58 to rotate, the second bevel gear 58 drives the first bevel gear 57 and the main grinding wheel 28 to rotate, and at the moment, the main grinding wheel 28 and the auxiliary grinding wheel 30 rotate to grind the steelmaking slag to form steelmaking slag fragments.
Grind and refine mechanism 92 and include finely grind chamber 19, finely grind chamber 19 with it is equipped with second feed inlet 18 to grind the intercommunication between the chamber 31, finely grind 19 diapire rotation in chamber is equipped with the fourth pivot 47 that upwards extends, fixed being equipped with first belt pulley 46 and being located on the fourth pivot 47 cam 48 of first belt pulley 46 below, the fixed round bar 52 that is equipped with downwardly extending of cam 48 diapire, it is equipped with circular gear 49 to rotate on the round bar 52, circular gear 49 bottom surface fixed be equipped with finely grind 19 diapire frictional contact's in chamber mill 50, finely grind 19 endwall internal fixation in chamber be equipped with circular gear 49 meshed ring gear 51.
The rear end wall of the fine grinding cavity 19 is communicated with a second transmission cavity 62, the bottom end of the second motor 60 is in power connection with a third driving shaft 61 extending into the second transmission cavity 62, a second belt pulley 64 is fixedly arranged on the third driving shaft 61 in the second transmission cavity 62, a belt 63 is in transmission connection with the second belt pulley 64 and the first belt pulley 46, the bottom wall of the fine grinding cavity 19 is provided with a second collecting hole 21, an annular screen 20 is communicated between the second collecting hole 21 and the fine grinding cavity 19, when the second motor 60 is started, the second motor 60 drives the third driving shaft 61 to rotate, the third driving shaft 61 drives the second belt pulley 64 to rotate, the second belt pulley 64 drives the first belt pulley 46 to rotate through the belt 63, the first belt pulley 46 drives the cam 48 and the circular gear 49 to rotate around the fourth rotating shaft 47, the fourth rotating shaft 47 drives the grinding disc 50 to rotate around the fourth rotating shaft 47, when the circular gear 49 rotates around the fourth rotating shaft 47, the circular gear 49 is always meshed with the annular gear ring 51, the annular gear ring 51 enables the circular gear 49 to rotate around the round rod 52, namely, the grinding disc 50 rotates around the round rod 52 when the grinding disc 50 revolves around the fourth rotating shaft 47, at the moment, the grinding disc 50 fully grinds the fragments of the steelmaking slag to form steelmaking slag powder, the steelmaking slag powder continuously moves towards the outer edge of the grinding disc 50 under the action of centrifugal force, and the steelmaking slag powder at the outer edge enters the second collecting hole 21 through the annular screen 20.
The magnetic screening mechanism 93 comprises the accommodating cavity 23, a fifth rotating shaft 45 which extends forwards and backwards is rotatably arranged in the accommodating cavity 23, an extension rod 44 is fixedly arranged on the fifth rotating shaft 45, a second spring 43 is connected between the extension rod 44 and the right end wall of the accommodating cavity 23, a first wire groove 26 which penetrates through the top wall of the accommodating cavity 23 from top to bottom is arranged on the top wall of the accommodating cavity 23, a second wire groove 32 which penetrates through the right and left end walls is arranged on the right end wall of the storage cavity 15, a steel wire 27 is connected between the long plate 13 and the extension rod 44, a fixed block 36 is fixedly arranged at the left end of the extension rod 44, a third transmission cavity 37 with an outward opening is arranged in the fixed block 36, a sixth rotating shaft 39 which extends forwards and backwards is rotatably arranged in the third transmission cavity 37, the iron powder recovery magnet 40 is fixedly arranged on the sixth rotating shaft 39, and a third spring 38 is connected between the iron powder recovery magnet, a reset switch 41 electrically connected with the laser sensor 72 is fixedly arranged on the bottom wall of the third transmission cavity 37.
A third feed port 22 is communicated and arranged between the screening cavity 24 and the second collecting hole 21, a blanking hole 42 with a downward opening is arranged on the bottom wall of the accommodating cavity 23, a first slide hole 66 is communicated and arranged on the rear end wall of the third feed port 22, a slide plate 67 is slidably arranged in the first slide hole 66, the third feed port 22 can be blocked by the slide plate 67, a through hole 68 which penetrates left and right is arranged in the slide plate 67, a fourth spring 69 is connected between the slide plate 67 and the front end wall of the first slide hole 66, a second slide hole 71 is communicated and arranged on the rear end wall of the screening cavity 24, an inclined slide plate 70 which extends into the screening cavity 24 is slidably arranged in the second slide hole 71, a hydraulic pipeline 65 is communicated and arranged between the second slide hole 71 and the first slide hole 66, when the long plate 13 deflects, the long plate 13 pulls the extension rod 44 through the steel wire 27, and the extension rod 44 rotates around the fifth rotating shaft 45 after being pulled, the extension rod 44 drives the fixed block 36 to extend into the screening chamber 24, after the fixed block 36 extends into the screening chamber 24, the fixed block 36 presses the inclined slide plate 70, the inclined slide plate 70 drives the slide plate 67 to slide forward through the hydraulic pipeline 65, the slide plate 67 slides forward to enable the through hole 68 to be communicated with the third feed port 22, at this time, the steelmaking slag powder enters the screening chamber 24, the steelmaking slag powder falls freely under the action of gravity, iron-containing particles in the steelmaking slag powder are adsorbed when passing through the iron powder recovery magnet 40, that is, waste materials without iron particles fall out of the screening chamber 24, as the iron powder recovery magnet 40 continuously adsorbs the iron-containing particles, one end of the iron powder recovery magnet 40 gradually increases weight until the reset switch 41 is pressed, and the reset switch 41 enables the laser sensor 72 to reset to an initial state, that is, the laser sensor 72 does not energize the electromagnet 34 and the second motor 60 any more, and at the same time, the first motor 10 continues to rotate when energized, the electromagnet 34 does not repel the permanent magnet 33 after de-energized, the long plate 13 blocks the storage cavity 15 again under the elastic force of the first spring 14, when the long plate 13 returns to the initial position, the steel wire 27 is loosened, the extension rod 44 is stored in the storage cavity 23 under the tension of the second spring 43, when the fixed block 36 is stored in the storage cavity 23 around the fifth rotating shaft 45, the fixed block 36 rotates and collides with the right end wall of the storage cavity 23, the collided fixed block 36 shakes off the iron particles adsorbed on the iron powder recovery magnet 40, and the iron particles fall off from the blanking hole 42 alone.
Sequence of mechanical actions of the whole device:
1: firstly, adding steelmaking slag to the first feeding hole 11 and starting the laser sensor 72, wherein the laser sensor 72 can electrify the first motor 10 in an initial state, after the first motor 10 is electrified and started, the first motor 10 drives the connecting rod 55 to rotate, the connecting rod 55 drives the arc-shaped sliding block 53 to rotate, the rotating arc-shaped sliding block 53 prevents the steelmaking slag from accumulating at the left side of the material storage cavity 15 to block the first feeding hole 11, the device is safe and reliable, and then the steelmaking slag falls on the surface of the long plate 13;
2: when the steelmaking slag on the surface of the long plate 13 is gradually accumulated to a certain extent, the time for the laser sensor 72 to receive the reflected laser is shortened to a preset value, at this time, the state of the laser sensor 72 is changed, that is, the laser sensor 72 enables the electromagnet 34 and the second motor 60 to be powered on and simultaneously enables the first motor 10 to be powered off, the electromagnet 34 is powered on to repel the permanent magnet 33, the permanent magnet 33 drives the long plate 13 to rotate around the first rotating shaft 12, at this time, the long plate 13 does not block the material storage cavity 15, the steelmaking slag stored in the material storage cavity 15 is added into the grinding mechanism 91 for grinding at one time, and at the same time, after the first motor 10 is powered off, the arc-shaped sliding block 53 blocks the first feeding hole 11, so that the device is sensitive in reaction;
3: when the second motor 60 is started, the second motor 60 drives the second driving shaft 59 and the third driving shaft 61 to rotate, the second driving shaft 59 drives the second bevel gear 58 to rotate, the second bevel gear 58 drives the first bevel gear 57 and the main grinding wheel 28 to rotate, and at the moment, the main grinding wheel 28 and the auxiliary grinding wheel 30 rotate to grind the steelmaking slag to form steelmaking slag fragments;
4: the third driving shaft 61 drives the second belt pulley 64 to rotate, the second belt pulley 64 drives the first belt pulley 46 to rotate through the belt 63, the first belt pulley 46 drives the cam 48 and the circular gear 49 to rotate around the fourth rotating shaft 47, the fourth rotating shaft 47 drives the grinding disc 50 to rotate around the fourth rotating shaft 47, when the circular gear 49 rotates around the fourth rotating shaft 47, the circular gear 49 is always meshed with the annular gear ring 51, the annular gear ring 51 enables the circular gear 49 to rotate around the circular rod 52, namely, the grinding disc 50 also rotates around the circular rod 52 when the grinding disc 50 revolves around the fourth rotating shaft 47, the grinding fineness of the device is high, the formed powder particles are small, the device is convenient for subsequent magnetic screening, and the grinding disc 50 fully grinds the steelmaking slag fragments, forming steelmaking slag powder, wherein the steelmaking slag powder continuously moves towards the outer edge of the grinding disc 50 under the action of centrifugal force, and the steelmaking slag powder at the outer edge enters the second collecting holes 21 through the annular screen 20;
5: meanwhile, when the long plate 13 deflects, the long plate 13 pulls the extension rod 44 through the steel wire 27, the extension rod 44 rotates around the fifth rotating shaft 45 after being pulled, the extension rod 44 drives the fixed block 36 to extend into the screening chamber 24, after the fixed block 36 extends into the screening chamber 24, the fixed block 36 extrudes the inclined sliding plate 70, the inclined sliding plate 70 drives the sliding plate 67 to slide forwards through the hydraulic pipeline 65, the sliding plate 67 slides forwards to enable the through hole 68 to be communicated with the third feeding port 22, and then steelmaking slag powder enters the screening chamber 24;
6: the steelmaking slag powder falls freely under the action of gravity, while the iron-containing particles in the steelmaking slag powder are adsorbed when passing through the iron powder recovery magnet 40, that is, the screening chamber 24 falls out waste materials without iron particles, as the iron powder recovery magnet 40 continuously adsorbs the iron-containing particles, one end of the iron powder recovery magnet 40 gradually increases in weight until the reset switch 41 is pressed, the reset switch 41 resets the laser sensor 72 to an initial state, that is, the laser sensor 72 does not electrify the electromagnet 34 and the second motor 60 any more, and meanwhile, the first motor 10 is electrified and continues to rotate;
7: the electromagnet 34 is not repelled by the permanent magnet 33 after being powered off, the long plate 13 blocks the material storage cavity 15 again under the elastic force of the first spring 14, the steel wire 27 is loosened when the long plate 13 returns to the initial position, the extension rod 44 is accommodated in the accommodating cavity 23 under the tensile force of the second spring 43, when the fixed block 36 is accommodated in the accommodating cavity 23 around the fifth rotating shaft 45, the fixed block 36 is impacted with the right end wall of the accommodating cavity 23 after rotating, the impacted fixed block 36 shakes off the iron particles adsorbed on the iron powder recovery magnet 40, the iron particles fall out from the material falling hole 42 independently, when the magnetic force screening mechanism 93 does not perform magnetic force screening, the sliding plate 67 returns to the initial position under the elastic force of the fourth spring 69 to block the third material inlet 22, the steel making slag powder in the third material inlet 22 does not fall out from the screening cavity 24 without being screened, the device has accurate blanking and high recovery rate of iron particles.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The invention discloses a multi-stage recovery device for steelmaking slag, which comprises a first machine body and is characterized in that: a material storage cavity is arranged in the first machine body; a material storage mechanism for storing steelmaking slag for unified treatment is arranged in the material storage cavity; the bottom wall of the material storage cavity is provided with a grinding cavity, a grinding mechanism for grinding the steelmaking slag is arranged in the grinding cavity, the grinding mechanism comprises a main grinding wheel and an auxiliary grinding wheel, and after the steelmaking slag stored in the material storage mechanism enters the grinding cavity, the main grinding wheel and the auxiliary grinding wheel grind the steelmaking slag; the bottom wall of the grinding cavity is provided with a fine grinding cavity, a grinding and refining mechanism for further refining the ground steelmaking slag is arranged in the fine grinding cavity, the grinding and refining mechanism comprises the fine grinding cavity, a grinding disc is arranged in the fine grinding cavity, and when the main grinding wheel grinds, the grinding disc rotates to further refine the crushed steelmaking slag between the grinding disc and the bottom wall of the fine grinding cavity to form steelmaking slag powder; a second machine body is fixedly arranged on the right end face of the first machine body, a screening cavity with a downward opening is arranged in the second machine body, a containing cavity is communicated with the right end wall of the screening cavity, a magnetic screening mechanism for screening iron-containing particles in steelmaking slag powder by utilizing magnet adsorption is arranged between the containing cavity and the screening cavity, the magnetic screening mechanism comprises the containing cavity, an iron powder recovery magnet is arranged in the containing cavity, when the material storage mechanism stops storing steelmaking slag and recovering iron materials, the iron powder recovery magnet rotates and then extends into the screening cavity, the iron-containing particles in the steelmaking slag powder are gradually adsorbed on the iron powder recovery magnet, and when the iron particles adsorbed on the iron powder recovery magnet are enough, the iron powder recovery magnet reversely rotates and is again contained in the containing cavity; the material storage mechanism comprises a material storage cavity, a first feed inlet is formed in the left end wall of the material storage cavity in a communicated mode, a first motor is fixedly arranged on the top wall of the material storage cavity, the bottom end of the first motor is in power connection with a first driving shaft, a connecting rod extending leftwards and rightwards is fixedly arranged at the bottom end of the first driving shaft, arc-shaped sliding blocks capable of blocking the first feed inlet are fixedly arranged on the connecting rod in a bilateral symmetry mode, and a laser sensor is fixedly arranged on the bottom surface of the connecting rod; a first rotating shaft extending forwards and backwards is rotatably arranged in the material storage cavity, a long plate capable of blocking the material storage cavity is fixedly arranged on the first rotating shaft, a first spring is connected between the long plate and the left end wall of the material storage cavity, a permanent magnet block is fixedly arranged at the right end of the long plate, and an electromagnet electrically connected with the laser sensor is fixedly arranged at the right end wall of the material storage cavity; the grinding mechanism comprises the grinding cavity, a first collecting hole is communicated between the grinding cavity and the material storage cavity, a first transmission cavity is arranged in the rear side end wall of the grinding cavity, a second rotating shaft is rotatably arranged between the first transmission cavity and the grinding cavity, the second rotating shaft in the grinding cavity is fixedly provided with the main grinding wheel, the grinding cavity is internally and rotatably provided with a third rotating shaft positioned on the left side of the second rotating shaft, the third rotating shaft is fixedly provided with the auxiliary grinding wheel, the second rotating shaft in the first transmission cavity is fixedly provided with a first bevel gear, a second motor electrically connected with the laser sensor is fixedly arranged on the bottom wall of the first transmission cavity, the top end of the second motor is in power connection with a second driving shaft extending into the first transmission cavity, and a second bevel gear meshed with the first bevel gear is fixedly arranged on the second driving shaft; the grinding and refining mechanism comprises a fine grinding cavity, a second feed inlet is communicated and arranged between the fine grinding cavity and the grinding cavity, a fourth rotating shaft extending upwards is rotatably arranged on the bottom wall of the fine grinding cavity, a first belt pulley and a cam positioned below the first belt pulley are fixedly arranged on the fourth rotating shaft, a round rod extending downwards is fixedly arranged on the bottom wall of the cam, a round gear is rotatably arranged on the round rod, a grinding disc in frictional contact with the bottom wall of the fine grinding cavity is fixedly arranged on the bottom surface of the round gear, and an annular gear ring meshed with the round gear is fixedly arranged in the end wall of the fine grinding cavity; a second transmission cavity is communicated with the rear side end wall of the fine grinding cavity, the bottom end of the second motor is in power connection with a third driving shaft extending into the second transmission cavity, a second belt pulley is fixedly arranged on the third driving shaft in the second transmission cavity, a belt is in transmission connection between the second belt pulley and the first belt pulley, a second collection hole is formed in the bottom wall of the fine grinding cavity, and an annular screen is communicated between the second collection hole and the fine grinding cavity; the magnetic screening mechanism comprises a containing cavity, a fifth rotating shaft extending forwards and backwards is rotatably arranged in the containing cavity, an extension rod is fixedly arranged on the fifth rotating shaft, a second spring is connected between the extension rod and the right end wall of the containing cavity, a first wire groove which penetrates up and down is arranged on the top wall of the containing cavity, a second wire groove which penetrates left and right is arranged on the right end wall of the material storage cavity, a steel wire is connected between the long plate and the extension rod, a fixed block is fixedly arranged at the left end of the extension rod, a third transmission cavity with an outward opening is arranged in the fixed block, a sixth rotating shaft extending forwards and backwards is rotatably arranged in the third transmission cavity, the iron powder recovery magnet is fixedly arranged on the sixth rotating shaft, a third spring is connected between the iron powder recovery magnet and the bottom wall of the third transmission cavity, and a reset switch electrically connected with the laser sensor is fixedly arranged on the bottom wall of the third transmission cavity; screening chamber with the intercommunication is equipped with the third feed inlet between the second is collected the hole, it is equipped with the downward blanking hole of opening to accomodate the chamber diapire, third feed inlet rear end lateral wall intercommunication is equipped with first slide opening, it is equipped with the slide to slide in the first slide opening, the slide can block up the third feed opening, be equipped with the through-hole that runs through about in the slide, the slide with be connected with the fourth spring between the first slide opening front end wall, screening chamber rear end lateral wall intercommunication is equipped with the second slide opening, it is equipped with to stretch into to slide in the second slide opening the inclined plane slide in the screening chamber, the second slide opening with the intercommunication is equipped with hydraulic duct between the first slide opening.
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| CN110560260A (en) * | 2019-10-11 | 2019-12-13 | 天津市绮彤工艺品有限公司 | ceramic manufacture purification equipment |
| CN110801935B (en) * | 2019-11-28 | 2020-07-31 | 浙江诚慧模具有限公司 | Machine is retrieved in waste material processing after milling machine processing |
| CN111347271B (en) * | 2020-04-10 | 2021-05-18 | 力锋精密工具（浙江）有限公司 | Steel sheet center location cutter device that punches |
| CN111482237A (en) * | 2020-04-23 | 2020-08-04 | 牛键 | Uninterrupted linkage grinding equipment |
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