CN115155733A - Millstone type casting furnace slag treatment device - Google Patents

Millstone type casting furnace slag treatment device Download PDF

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Publication number
CN115155733A
CN115155733A CN202210558364.6A CN202210558364A CN115155733A CN 115155733 A CN115155733 A CN 115155733A CN 202210558364 A CN202210558364 A CN 202210558364A CN 115155733 A CN115155733 A CN 115155733A
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CN
China
Prior art keywords
ring
grinding
screening
disc
plate
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Granted
Application number
CN202210558364.6A
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Chinese (zh)
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CN115155733B (en
Inventor
李岩
李志龙
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Huizhou Yi'an Precious Metals Co ltd
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Nantong Haiteng Copper Co ltd
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Priority to CN202210558364.6A priority Critical patent/CN115155733B/en
Publication of CN115155733A publication Critical patent/CN115155733A/en
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Publication of CN115155733B publication Critical patent/CN115155733B/en
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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
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
    • B02C7/04—Crushing or disintegrating by disc mills with coaxial discs with concentric circles of intermeshing teeth
    • 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
    • B02C19/20—Disintegrating by grating
    • 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
    • B02C23/02—Feeding devices
    • 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
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/12—Shape or construction of discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/14—Adjusting, applying pressure to, or controlling distance between, discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/16—Driving mechanisms
    • 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
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention relates to the technical field of slag treatment, in particular to a millstone type casting furnace slag treatment device. A mill type casting furnace slag treatment device comprises a supporting shell, a feeding hopper, a grinding device, an adjusting device, a plugging mechanism and a transmission mechanism. The feed hopper includes a guide wall, a screening disk and a retaining ring. The grinding device comprises a first grinding ring and a second grinding ring. Adjusting device includes a plurality of grinding pinion racks, and a plurality of grinding pinion racks inwards move when rotating along with first grinding ring, outwards move when rotating along with the second grinding ring. The plugging mechanism comprises a first telescopic ring and a second telescopic ring. When the millstone type crusher for controlling the particle size of the fed materials is used for processing materials with different sizes, the materials with large particle size and the materials with small particle size are firstly screened according to the particle size of the materials, then the materials are crushed, and the moving form of the grinding toothed plate is automatically adjusted according to the integral particle size ratio of the materials.

Description

Millstone type casting furnace slag treatment device
Technical Field
The invention relates to the technical field of slag treatment, in particular to a millstone type casting furnace slag treatment device.
Background
Slag is an intermediate product produced during the melting of the metal melt and requires recycling during the production process. The existing processing device mainly adopts the crushing principle to process the slag into materials with uniform granularity, thereby enabling the materials to be utilized in the subsequent process.
The existing slag treatment device can not select a proper crushing form according to the actual particle size condition of input materials, only can crush the materials in a fixed range, has a small use range, and can not select the materials with the corresponding particle sizes to be blocked according to the condition of congestion when the input materials are congested, so that the crushing efficiency is low.
In the process of stepless crushing of materials, the qualified materials can be more or less generated when the last round of crushing is not performed, however, the phenomenon of over grinding can be generated when the materials are subjected to subsequent crushing, so that the discharging quality is not ideal, or energy is wasted.
Disclosure of Invention
The invention provides a mill type casting furnace slag treatment device, which aims to solve the problem that the existing slag treatment device is low in working efficiency.
The invention relates to a millstone type foundry furnace slag treatment device, which adopts the following technical scheme:
a mill type casting furnace slag treatment device comprises a supporting shell, a feeding hopper, a grinding device, an adjusting device, a plugging mechanism and a transmission mechanism.
The feed hopper comprises a guide wall, a screening disc and a baffle ring; the guide wall is in a flaring shape, a guide cavity is formed in the guide wall, the screening disc is arranged above the guide cavity and is arranged on the guide wall, and the screening disc is gradually recessed from the edge to the middle; the baffle ring is connected with the inner peripheral wall of the screening disc and the inner peripheral wall of the screening disc, and a first feeding hole is formed in the baffle ring.
The grinding device comprises a first grinding ring and a second grinding ring; the second grinding ring is positioned at the outer side of the first grinding ring, the lower end surfaces of the first grinding ring and the second grinding ring jointly form a conical surface which is gradually inclined downwards from the middle part to the edge, and the conical surface is provided with a plurality of crushing teeth; first grinding ring and first grinding ring all rotationally install in the support shell, and the rotation direction is opposite.
Adjusting device sets up in grinder's below, including a plurality of grinding pinion racks, a plurality of grinding pinion racks configure to can rotate along with first grinding ring and second grinding ring, and inwards move when rotating along with first grinding ring, outwards move when rotating along with the second grinding ring.
The plugging mechanism comprises a first telescopic ring and a second telescopic ring; the lower end of the first telescopic ring is rotatably arranged at the inlet of the first grinding ring and is positioned below the first feed inlet; the lower end of the second telescopic ring is arranged on the baffle ring and is positioned above the first feed port.
The transmission mechanism comprises a first transmission piece and a second transmission piece; the first transmission part is configured to pull the upper end of the first telescopic ring to move upwards when the grinding toothed plate moves outwards so as to shield the first feeding hole, and the second transmission part is configured to pull the upper end of the second telescopic ring to move upwards when the grinding toothed plate moves inwards.
Furthermore, the mill type casting furnace slag treatment device also comprises a driving motor, wherein the driving motor drives the first grinding ring to rotate anticlockwise, and the second grinding ring to rotate clockwise; the adjusting device also comprises a limiting disc, a movable disc and a sliding column.
The limiting disc is fixedly installed on the supporting shell and located below the feeding device, a plurality of vortex grooves which are centrosymmetric relative to the axis of the first grinding ring are formed in the upper surface of the limiting disc, and the vortex grooves are in clockwise spiral in overlooking from the inner end to the outer end. The axis of the driven coiling limiting disc is rotatably arranged on the supporting shell and is positioned on the upper side of the limiting disc, and a plurality of straight sliding grooves which take the axis of the limiting disc as the center and are in a transmitting shape are arranged on the straight sliding grooves. The lower end of the sliding column penetrates through the straight sliding groove and is inserted into the vortex groove; the grinding toothed plate is arranged at the upper end of the sliding column.
Furthermore, adjusting device still includes a plurality of control levers, and a plurality of control levers are along the circumference equipartition of rotary drum, and extend along the radial direction of installation section of thick bamboo, are provided with a plurality of slip rings on every control lever, the slip post is slidable along the control lever through the slip ring.
Furthermore, the mill type casting furnace slag treatment device also comprises a connecting cylinder, wherein the connecting cylinder is arranged above the middle part of the limiting disc, the lower end of the connecting cylinder is provided with a plugging plate, the side wall of the connecting cylinder is provided with a first through hole, a first vertical pipe and a baffle plate for dividing the plugging plate into two half parts are arranged in the connecting cylinder, the lower end of the first vertical pipe is connected with the inner cylinder wall of the connecting cylinder and the baffle plate, and the interior of the first vertical pipe is filled with liquid; the first transmission mechanism comprises a first lifting rod and a first hydraulic mechanism; the first lifting rod is slidably sleeved on the first vertical pipe in the up-down direction, and the upper end of the first lifting rod is connected with the upper end of the first telescopic ring through a connecting plate; the first hydraulic mechanism is arranged at the outer end of the control rod and used for squeezing and pushing liquid into the first vertical pipe when the sliding ring at the outermost side moves outwards.
Furthermore, a second through hole is formed in the side wall of the connecting cylinder, a second vertical pipe is arranged inside the connecting cylinder, and the lower end of the second vertical pipe is connected with the inner cylinder wall of the connecting cylinder and the baffle; the second transmission structure comprises a second lifting rod and a second hydraulic structure; the second lifting rod is sleeved on the second vertical pipe in a sliding manner along the vertical direction, and the upper end of the second lifting rod is connected with the upper end of the second telescopic ring through a connecting plate; the second hydraulic mechanism is arranged at the inner end of the control rod and used for squeezing and pushing liquid into the second vertical pipe when the innermost sliding ring moves inwards.
Furthermore, the first hydraulic mechanism and the second hydraulic mechanism respectively comprise an accommodating box, a sealing plate and an infusion tube; the accommodating box of the first hydraulic mechanism is arranged at the outer end of the control rod, the opening of the accommodating box of the first hydraulic mechanism faces inwards, the accommodating box of the second hydraulic mechanism is arranged at the inner end of the control rod, the opening of the accommodating box faces outwards, the sealing plate is arranged at the opening of the accommodating box, is in sealing sliding connection with the accommodating box and forms an accommodating cavity with the accommodating box, and the accommodating cavity is filled with liquid; a first liquid outlet hole is formed in the cavity wall of the accommodating cavity of the first hydraulic mechanism, and the liquid conveying pipe is communicated with the first liquid outlet hole and the first through hole; a second liquid outlet hole is formed in the cavity wall of the accommodating cavity of the first hydraulic mechanism, and the liquid conveying pipe is communicated with the second liquid outlet hole and the second through hole.
Further, the driven disc gradually extends downwards from the middle part of the driven disc to the edge of the driven disc, and the vertical distance between the driven disc and the lower end faces of the first grinding ring and the second grinding ring is gradually reduced from the middle part to the edge; tooth's socket on the grinding pinion rack extends along the radial direction of driven plate, and the inclination of a plurality of grinding pinion racks is the same with driven plate inclination.
Further, the groove distance of the vortex groove gradually decreases from inside to outside, and the distance between every two adjacent grinding toothed plates gradually decreases along the radial direction of the driven plate; the grinding toothed plate is arc-shaped, the circle center of the arc is located on the axis of the driven disc at the initial position, and the length of the grinding plate located on the outer side is larger than that of the grinding plate located on the inner side.
Further, the mill type casting furnace slag treatment device further comprises a screening ring, a material collecting box and a material returning mechanism; the screening ring is arranged below the driven disc, and the peripheral wall of the screening ring is arranged on the supporting shell; the material collecting box is arranged below the screening ring to collect materials falling from the screening ring; the material return mechanism is configured to convey material remaining in the screening ring to the feed hopper.
Further, the crushing teeth on the first grinding ring extend in tangential direction of the first grinding ring and the crushing teeth on the second grinding ring extend in tangential direction of the second grinding ring.
The invention has the beneficial effects that: when the mill crusher for controlling the feeding particle size is used for crushing materials, the grinding degrees of the materials are different due to different sizes of the materials, when the mill crusher for controlling the feeding particle size is used for processing the materials with different sizes, the materials with large particle size and the materials with small particle size are firstly screened according to the particle size of the materials, then the materials are crushed, the moving mode of the grinding toothed plates is automatically adjusted according to the integral particle size ratio of the materials, when the small particle size materials account for more, the plurality of grinding toothed plates rotate along with the second grinding ring and move outwards, and the upper end of the first telescopic ring is pulled upwards under the action of the transmission mechanism to shield the first feeding hole, so that the small materials are prevented from entering. When large-particle-size materials account for more, the plurality of grinding toothed plates rotate along with the first grinding ring and move inwards, and the upper end of the second telescopic ring is pulled to move upwards under the action of the transmission mechanism so as to shield a feed port of the large-particle-size materials and reduce the entering of the large-particle-size materials.
Further, when the grinding toothed plate integrally moves inwards, compared with the initial state, the maximum distance between the grinding toothed plate and the vertical direction of the first grinding ring is increased, and the crushing efficiency of large materials is improved. When the whole outside removal of a plurality of lapping plates, compare with initial state, the biggest distance of lapping pinion rack and first grinding ring vertical direction reduces, improves the crushing efficiency to the fritter material.
Furthermore, unqualified materials generated after grinding can be thrown into the feed hopper again through the material returning mechanism for secondary crushing, so that the crushing quality is guaranteed.
Wholly to moving to the one side that is close to the filter disc middle part, compare with initial state, the maximum distance grow of abrasive sheet and first grinding ring vertical direction improves the crushing efficiency to the bold material. When the small-particle-size material in the grinding cavity accounts for more, a plurality of grinding plates are integrally moved to one side close to the middle part of the filter disc, and compared with an initial state, the maximum distance between the grinding plates and the vertical direction of the first grinding ring is reduced, and the crushing efficiency of small materials is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a slag treatment apparatus for a millstone type foundry furnace according to the present invention;
FIG. 2 is a semi-sectional view of an embodiment of a millstone type foundry furnace slag handling unit of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic view of the first and second grinding rings of a slag handling apparatus for a millstone type foundry furnace according to the present invention;
FIG. 5 is a schematic structural view of a limiting plate, a first lifting rod and a second lifting rod of the slag treatment device of the millstone type casting furnace of the invention;
FIG. 6 is a partial cross-sectional view of a control lever and drive mechanism of a millstone type foundry furnace slag handling unit in accordance with the invention;
FIG. 7 is a partial exploded view of the first hydraulic mechanism of the slag treatment apparatus for a millstone type foundry furnace according to the present invention.
In the figure: 1. a stopper housing; 11. screening the disc; 12. a baffle ring; 2. a support housing; 21. a first abrasive disc; 22. a second abrasive disc; 23. a driven plate; 31. grinding a toothed plate; 32. a control lever; 33. a limiting disc; 331. a vortex groove; 34. a sliding post; 4. a connecting cylinder; 401. a first through hole; 402. a second through hole; 41. a second lifting rod; 42. a first lifting rod; 43. a second telescopic ring; 44. a first telescopic ring; 45. a guide wall; 46. crushing teeth; 47. a first vertical tube; 48. a second standpipe; 49. a baffle plate; 51. a second hydraulic mechanism; 52. a first hydraulic mechanism; 53. a transfusion tube; 54. a sealing plate; 55. a pushing block; 56. an accommodating box; 6. a material returning mechanism; 61. a screening ring; 7. a motor; 8. a first polishing ring; 9. a second grinding ring; 10. a material collecting box.
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.
In an embodiment of the invention, as shown in fig. 1 to 7, a millstone type foundry furnace slag treatment device comprises a supporting shell 2, a feed hopper, a grinding device, an adjusting device, a blocking mechanism and a transmission mechanism.
The feed hopper comprises a guide wall 45, a screening disc 11 and a baffle ring 12. The guide wall 45 is flared, and a guide cavity is formed in the guide wall; screening dish 11 sets up in the top of guide chamber and installs in guide wall 45, and screening dish 11 is concave downwards gradually by edge to middle part, and the material of being convenient for gets into from the middle part of screening dish 11. The baffle ring 12 connects the inner peripheral wall of the screening disk 11 and the inner peripheral wall of the screening disk 11, and a first feed inlet is provided on the baffle ring 12 to allow the material of small particle size passing through the screening holes on the screening disk 11 to enter.
The grinding device comprises a first grinding ring 8 and a second grinding ring 9; the second grinding ring 9 is positioned at the outer side of the first grinding ring 8, the lower end surfaces of the first grinding ring 8 and the second grinding ring 9 jointly form a conical surface which is gradually inclined downwards from the middle part to the edge, and the lower end surfaces are provided with a plurality of crushing teeth 46 which are convenient for crushing materials; the first grind ring 8 and the first grind ring 8 are both rotatably mounted to the support housing 2 and rotate in opposite directions.
The adjusting device is arranged below the grinding device and comprises a plurality of grinding toothed plates 31, the plurality of grinding toothed plates 31 are configured to rotate along with the first grinding ring 8 and the second grinding ring 9, move inwards when rotating along with the first grinding ring 8 and move outwards when rotating along with the second grinding ring 9.
The plugging mechanism comprises a first telescopic ring 44 and a second telescopic ring 43. The lower extreme installation support shell 2 of first expansion ring 44 just sets up in the below of first feed inlet for shelter from first feed inlet when extending, reduce the entering of small-particle size material. The lower end of the second telescopic ring 43 is rotatably mounted at the inlet of the first grinding ring 8 and above the first feed opening. Further, backstop shell 1 is still installed to the upside of edge all around in screening dish 11, is provided with the second feed inlet on the perisporium of backstop shell 1, can not get into from the second feed inlet through the material in the screening hole on the screening dish 11, and second expansion ring 43 is used for sheltering from the material that falls from the second feed inlet when extending.
The transmission mechanism comprises a first transmission piece and a second transmission piece. The first transmission member is configured to pull the upper end of the first telescopic ring 44 to move upwards to shield the first feeding hole when the grinding toothed plate 31 moves outwards, and the second transmission member is configured to pull the upper end of the second telescopic ring 43 to move upwards when the grinding toothed plate 31 moves inwards.
In this embodiment, as shown in fig. 1 and fig. 2, the slag treatment device for the millstone type casting furnace further includes a driving mechanism, the driving mechanism drives the first grinding ring 8 to rotate counterclockwise and the second grinding ring 9 to rotate clockwise, specifically, the driving mechanism includes two motors 7, a friction wheel is sleeved on an output shaft of the motor 7, a first millstone 21 is connected to the outer side of the first grinding ring 8, a second millstone 22 is connected to the outer side of the second grinding ring 9, the friction wheel of one motor 7 is in frictional contact with the first millstone 21 to drive the first grinding ring 8 to rotate counterclockwise, and the friction wheel of the other motor 7 is in frictional contact with the second millstone 22 to drive the second grinding ring 9 to rotate clockwise. The adjusting device further comprises a limiting disc 33, a driven disc 3 and a sliding column 34. The retainer disk 33 is fixedly mounted on the support housing 2, is located below the feeding device, and has a plurality of swirl grooves 331 formed on an upper surface thereof and having central symmetry with respect to the axis of the first grinding ring 8, and the swirl grooves 331 are formed to spiral clockwise from an inner end to an outer end in a plan view. The driven disc 3 is rotatably mounted on the support housing 2 around the axis of the limiting disc 33, is located on the upper side of the limiting disc 33, and is provided with a plurality of straight sliding grooves which are in a transmitting shape and take the axis of the limiting disc 33 as the center. The lower end of the sliding column 34 penetrates through the straight sliding groove and is inserted into the vortex groove 331; the grinding toothed plate 31 is mounted on the upper end of the sliding column 34, and the grinding toothed plate 31 moves outwards when the sliding column 34 rotates clockwise along the spiral groove 331 and moves inwards when the sliding column 34 rotates anticlockwise along the spiral groove 331.
In the present embodiment, as shown in fig. 5, the adjusting device further includes a plurality of control rods 32, the plurality of control rods 32 are uniformly distributed along the circumferential direction of the rotating drum and extend along the radial direction of the mounting drum, each control rod 32 is provided with a plurality of sliding rings, and the sliding columns 34 are slidable along the control rods 32 through the sliding rings to prevent the grinding toothed plate 31 from deflecting when rotating along the spiral groove 331.
In this embodiment, as shown in fig. 3 and 5, the mill type foundry furnace slag treatment device further includes a connecting cylinder 4, the connecting cylinder 4 is installed above the middle portion of the limiting disc 33, the lower end of the connecting cylinder is installed with a plugging plate, a first through hole 401 is formed in the side wall of the connecting cylinder 4, a first vertical pipe 47 and a baffle 49 dividing the plugging plate into two halves are arranged inside the connecting cylinder 4, the lower end of the first vertical pipe 47 is connected with the inner cylinder wall of the connecting cylinder 4 and the baffle 49, and the inside of the first vertical pipe is filled with liquid; the first transmission mechanism includes the first lift lever 42 and the first hydraulic mechanism 52; the first lifting rod 42 is slidably sleeved on the first vertical pipe 47 in the up-down direction, and the upper end of the first lifting rod is connected with the upper end of the first telescopic ring 44 through a connecting plate; a first hydraulic mechanism 52 is mounted to the outer end of the control rod 32 for pushing liquid into the first vertical tube 47 as the outermost slide ring moves outwardly to cause the first lift rod 42 to rise to gradually block the first feed opening.
In this embodiment, as shown in fig. 3, the sidewall of the connecting cylinder 4 is further provided with a second through hole 402, a second vertical pipe 48 is arranged inside the second through hole, and the lower end of the second vertical pipe 48 is connected to the inner cylinder wall of the connecting cylinder 4 and the baffle 49; the second transmission structure comprises a second lifting rod 41 and a second hydraulic structure; the second lifting rod 41 is slidably sleeved on the second vertical pipe 48 along the vertical direction, and the upper end of the second lifting rod is connected with the upper end of the second telescopic ring 43 through a connecting plate; the second hydraulic mechanism 51 is mounted at the inner end of the control rod 32, and is used for pushing the liquid into the second vertical pipe 48 when the innermost sliding ring moves inwards, so as to promote the second lifting rod 41 to ascend and gradually shield the second feeding hole.
In the present embodiment, each of the first hydraulic mechanism 52 and the second hydraulic mechanism 51 includes a housing box 56, a seal plate 54, and a liquid delivery pipe 53. The accommodating box 56 of the first hydraulic mechanism 52 is mounted at the outer end of the control rod 32 and has an inward opening, the accommodating box 56 of the second hydraulic mechanism 51 is mounted at the inner end of the control rod 32 and has an outward opening, the sealing plate 54 is arranged at the opening of the accommodating box 56, is in sliding sealing connection with the accommodating box 56 and forms an accommodating cavity with the accommodating box 56, and the accommodating cavity is filled with liquid; a first liquid outlet hole is formed in the wall of the accommodating cavity of the first hydraulic mechanism 52, and the liquid conveying pipe 53 is communicated with the first liquid outlet hole and the first through hole 401; a second liquid outlet hole is formed in the cavity wall of the accommodating cavity of the first hydraulic mechanism 52, the liquid conveying pipe 53 is communicated with the second liquid outlet hole and the second through hole 402, and specifically, an extrusion block 55 is further connected between the sliding ring and the sealing plate 54, so that the sliding ring can conveniently extrude the sealing plate 54. In other embodiments, the sealing plate 54 and the pushing block 55 are both magnetic blocks, and the corresponding sides of the two magnetic blocks attract each other to prevent the sealing plate 54 from being unable to return, so that when the sliding ring moves outwards along the control rod 32, the sealing plate 54 of the first hydraulic mechanism 52 is pushed outwards, and the liquid in the first hydraulic mechanism 52 is pushed into the upper portion of the first vertical pipe 47 through the liquid pipe 53, so as to move the first lifting rod 42 upwards. When the sliding ring moves inwards along the control rod 32, the sealing plate 54 of the second hydraulic mechanism 51 is pushed inwards, so that the liquid in the second hydraulic mechanism 51 is pushed into the upper part of the second vertical pipe 48 through the liquid conveying pipe 53, and the second lifting rod 41 moves upwards
In the present embodiment, the driven disc 3 extends gradually downward from the middle thereof to the edge thereof, and the vertical distance from the lower end faces of the first and second grinding rings 8, 9 decreases gradually from the middle to the edge; tooth grooves on the grinding toothed plates 31 extend along the radial direction of the driven plate 3, and the inclination angles of the plurality of grinding toothed plates 31 are the same as the inclination angle of the driven plate 3, so that the materials are ground from coarse to fine.
In this embodiment, the groove pitch of the spiral groove 331 gradually decreases from inside to outside, and the distance between every two adjacent grinding toothed plates 31 gradually decreases along the radial direction of the driven disc 3; grinding toothed plate 31 is the arc, and the curved centre of a circle is in the axis of driven plate 3 at initial position, and the length that is in the grinding plate in the outside is greater than the length that is in the grinding plate of inboard, and is less to the quality influence of the ejection of compact promptly, has both guaranteed the adaptability distribution of grinding plate, has guaranteed the basic unity of ejection of compact quality again, and makes the tensile volume of first expansion ring 44 be less than the tensile volume of second expansion ring 43, suits with the actual feeding volume of first feed inlet and second feed inlet.
In this embodiment, the mill type foundry furnace slag treatment device further comprises a screening ring 61, a material collecting box 10 and a material returning mechanism 6; the screening ring 61 is arranged below the driven disc 3, and the peripheral wall of the screening ring is arranged on the supporting shell 2; the material collecting box 10 is arranged below the screening ring 61 to collect materials falling from the screening ring 61, and specifically, the screening ring 61 is arranged obliquely to facilitate the materials above to be gathered at the lowest part of the screening ring 61; the return mechanism 6 is arranged to convey material remaining in the screening ring 61 to the feed hopper.
In this embodiment the crushing teeth 46 on the first grinding ring 8 extend in the tangential direction of the first grinding ring 8 and the crushing teeth 46 on the second grinding ring 9 extend in the tangential direction of the second grinding ring 9, facilitating a sufficient grinding and crushing of the material.
The crushing process of the slag treatment device of the millstone type casting furnace comprises the following steps:
and simultaneously starting the two motors 7, wherein one motor 7 drives the first grinding ring 8 to rotate anticlockwise through the first friction wheel and the first grinding disc 21, and the other motor 7 drives the second grinding ring 9 to rotate clockwise through the second friction wheel and the second grinding disc 22.
The material is fed into the feed hopper, and the material with small particle size falls down from the screening holes in the screening disc 11, and then enters the crushing cavity along the first feed inlet, and is ground and crushed under the action of the crushing teeth 46 and the grinding toothed plate 31.
The broken material slides into screening ring 61 along the inclined plane of driven plate 3 under the effect of gravity, and the material that the broken material of qualification falls from the screening hole of screening ring 61 and gets into in the case 10 that gathers materials, and the material that can not pass through the screening hole of screening ring 61 remains on screening ring 61, and then returns to the feeder hopper under the effect of returning the material mechanism 6.
When small-particle-size materials in the grinding cavity account for more, the rotating force received by the grinding toothed plate 31 at the outer side is larger, the grinding toothed plate can rotate clockwise along with the second grinding ring 9, the sliding column 34 below the grinding toothed plate 31 rotates clockwise along the spiral groove 331, and moves towards one side far away from the connecting cylinder 4 along the control rod 32 through the sliding ring, meanwhile, the plurality of grinding toothed plates 31 drive the driven plate 3 to rotate clockwise, because the plurality of grinding toothed plates 31 move outwards integrally, compared with the initial state, the minimum distance between the grinding toothed plate 31 and the vertical direction of the second grinding ring 9 is reduced, the small materials are crushed intensively, when the sliding ring moves outwards along the control rod 32, the sealing plate 54 of the first hydraulic mechanism 52 is pushed outwards through the pushing block 55, so that the liquid in the accommodating cavity is pushed to the first vertical pipe 47 along the pushing block 53, the first lifting rod 42 is moved upwards, the first lifting rod 42 drives the upper end of the first telescopic sleeve to ascend through the plurality of connecting plates, and gradually shields the small-particle-size materials from entering.
When large-particle-size materials in the grinding cavity account for more, the rotating force applied to the grinding toothed plate 31 on the inner side is larger, the grinding toothed plate can rotate anticlockwise along the first grinding ring 8, the sliding column 34 below the grinding toothed plate 31 rotates anticlockwise along the spiral groove 331, and moves towards one side close to the connecting cylinder 4 along the control rod 32 through the sliding ring, meanwhile, the grinding toothed plates 31 drive the driven plate 3 to rotate anticlockwise, as the grinding toothed plates 31 move inwards integrally, compared with the initial state, the maximum distance between the grinding toothed plate 31 and the vertical direction of the first grinding ring 8 is increased, large materials are treated in a centralized manner, and the sealing plate 54 of the second hydraulic mechanism 51 is pushed inwards through the pushing block 55 when the sliding ring moves inwards along the control rod 32, so that liquid in the accommodating cavity is pushed to the second vertical pipe 48 along the direction 53, the second lifting rod 41 moves upwards, the first lifting rod 42 drives the upper end of the second telescopic sleeve to ascend through the connecting plates, and the small-particle-size materials are gradually blocked from entering the infusion pipe.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a mill formula foundry furnace slag processing apparatus which characterized in that: comprises a supporting shell, a feed hopper, a grinding device, an adjusting device, a plugging mechanism and a transmission mechanism;
the feed hopper comprises a guide wall, a screening disc and a baffle ring; the screening device comprises a guide wall, a screening disc, a screening device and a control device, wherein the guide wall is in a flaring shape, a guide cavity is formed in the guide wall, the screening disc is arranged above the guide cavity and is arranged on the guide wall, and the screening disc is gradually concave downwards from the edge to the middle; the baffle ring is connected with the inner peripheral wall of the screening disc and the inner peripheral wall of the screening disc, and a first feeding hole is formed in the baffle ring;
the grinding device comprises a first grinding ring and a second grinding ring; the second grinding ring is positioned at the outer side of the first grinding ring, the lower end surfaces of the first grinding ring and the second grinding ring form a conical surface which is gradually inclined downwards from the middle part to the edge together, and the conical surface is provided with a plurality of crushing teeth; the first grinding ring and the first grinding ring are both rotatably arranged on the supporting shell and have opposite rotating directions;
the adjusting device is arranged below the grinding device and comprises a plurality of grinding toothed plates, and the plurality of grinding toothed plates are configured to rotate along with the first grinding ring and the second grinding ring, move inwards when rotating along with the first grinding ring and move outwards when rotating along with the second grinding ring;
the plugging mechanism comprises a first telescopic ring and a second telescopic ring; the lower end of the first telescopic ring is rotatably arranged at the inlet of the first grinding ring and is positioned below the first feed inlet; the lower end of the second telescopic ring is arranged on the baffle ring and is positioned above the first feed port;
the transmission mechanism comprises a first transmission piece and a second transmission piece; the first transmission part is configured to pull the upper end of the first telescopic ring to move upwards when the grinding toothed plate moves outwards so as to shield the first feeding hole, and the second transmission part is configured to pull the upper end of the second telescopic ring to move upwards when the grinding toothed plate moves inwards.
2. The slag treatment apparatus for a millstone type foundry furnace according to claim 1, wherein:
the first grinding ring is driven to rotate anticlockwise by the driving motor, and the second grinding ring rotates clockwise by the driving motor;
the adjusting device also comprises a limiting disc, a movable disc and a sliding column;
the limiting disc is fixedly arranged on the supporting shell and is positioned below the feeding device, the upper surface of the limiting disc is provided with a plurality of vortex grooves which are centrosymmetric relative to the axis of the first grinding ring, and the vortex grooves are clockwise spiral from the inner end to the outer end in a overlooking manner;
the driven disc is rotatably arranged on the support shell around the axis of the limiting disc, is positioned at the upper side of the limiting disc, and is provided with a plurality of straight sliding chutes which take the axis of the limiting disc as the center and are in a launching shape;
the lower end of the sliding column penetrates through the straight sliding groove and is inserted into the vortex groove; the grinding toothed plate is arranged at the upper end of the sliding column.
3. The slag treatment apparatus for a millstone type foundry furnace according to claim 1, wherein:
adjusting device still includes a plurality of control levers, and a plurality of control levers extend along the radial direction of installation section of thick bamboo along the circumference equipartition of rotary drum, be provided with a plurality of slip rings on every control lever, the slip post passes through the slip ring and follows the control lever slidable.
4. The slag treatment apparatus for a millstone type foundry furnace according to claim 1, wherein:
the connecting cylinder is arranged above the middle part of the limiting disc, the lower end of the connecting cylinder is provided with a plugging plate, the side wall of the connecting cylinder is provided with a first through hole, a first vertical pipe and a baffle plate for dividing the plugging plate into two half parts are arranged in the connecting cylinder, the lower end of the first vertical pipe is connected with the inner cylinder wall of the connecting cylinder and the baffle plate, and the interior of the connecting cylinder is filled with liquid; the first transmission mechanism comprises a first lifting rod and a first hydraulic mechanism; the first lifting rod is slidably sleeved on the first vertical pipe in the up-down direction, and the upper end of the first lifting rod is connected with the upper end of the first telescopic ring through a connecting plate; the first hydraulic mechanism is arranged at the outer end of the control rod and used for squeezing and pushing liquid into the first vertical pipe when the sliding ring at the outermost side moves outwards.
5. The slag treatment apparatus for a millstone type foundry furnace according to claim 4, wherein:
a second through hole is also formed in the side wall of the connecting cylinder, a second vertical pipe is arranged in the connecting cylinder, and the lower end of the second vertical pipe is connected with the inner cylinder wall of the connecting cylinder and the baffle; the second transmission structure comprises a second lifting rod and a second hydraulic structure; the second lifting rod is sleeved on the second vertical pipe in a sliding manner along the vertical direction, and the upper end of the second lifting rod is connected with the upper end of the second telescopic ring through a connecting plate; the second hydraulic mechanism is arranged at the inner end of the control rod and used for squeezing and pushing liquid into the second vertical pipe when the innermost sliding ring moves inwards.
6. The mill-type foundry furnace slag handling unit of claim 5 wherein:
the first hydraulic mechanism and the second hydraulic mechanism both comprise an accommodating box, a sealing plate and a liquid conveying pipe; the accommodating box of the first hydraulic mechanism is arranged at the outer end of the control rod, the opening of the accommodating box of the first hydraulic mechanism faces inwards, the accommodating box of the second hydraulic mechanism is arranged at the inner end of the control rod, the opening of the accommodating box faces outwards, the sealing plate is arranged at the opening of the accommodating box, is in sealing sliding connection with the accommodating box and forms an accommodating cavity with the accommodating box, and the accommodating cavity is filled with liquid; a first liquid outlet hole is formed in the cavity wall of the accommodating cavity of the first hydraulic mechanism, and the liquid conveying pipe is communicated with the first liquid outlet hole and the first through hole; and a second liquid outlet hole is formed in the cavity wall of the accommodating cavity of the first hydraulic mechanism, and the liquid conveying pipe is communicated with the second liquid outlet hole and the second through hole.
7. The slag treatment apparatus for a millstone type foundry furnace according to claim 2, characterized in that:
the driven disc gradually extends downwards from the middle part of the driven disc to the edge of the driven disc, and the vertical distance between the driven disc and the lower end faces of the first grinding ring and the second grinding ring is gradually reduced from the middle part to the edge; tooth grooves on the grinding toothed plates extend along the radial direction of the driven disc, and the inclination angles of the grinding toothed plates are the same as the inclination angle of the driven disc.
8. The mill-type foundry furnace slag handling unit of claim 2 wherein:
the groove distance of the vortex groove gradually decreases from inside to outside, and the distance between every two adjacent grinding toothed plates gradually decreases along the radial direction of the driven plate; the grinding toothed plate is arc-shaped, the circle center of the arc is located on the axis of the driven plate at the initial position, and the length of the grinding plate located on the outer side is larger than that of the grinding plate located on the inner side.
9. The slag treatment apparatus for a millstone type foundry furnace according to claim 2, characterized in that:
the screening device also comprises a screening ring, a material collecting box and a material returning mechanism; the screening ring is arranged below the driven disc, and the peripheral wall of the screening ring is installed on the supporting shell; the material collecting box is arranged below the screening ring to collect materials falling from the screening ring; the material returning mechanism is configured to convey the material left in the screening ring to the feed hopper.
10. The slag treatment apparatus for a millstone type foundry furnace according to claim 1, wherein:
the crushing teeth on the first grinding ring extend in the tangential direction of the first grinding ring and the crushing teeth on the second grinding ring extend in the tangential direction of the second grinding ring.
CN202210558364.6A 2022-05-20 2022-05-20 Millstone type foundry furnace slag treatment device Active CN115155733B (en)

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