CN115155733B - Millstone type foundry furnace slag treatment device - Google Patents
Millstone type foundry furnace slag treatment device Download PDFInfo
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- CN115155733B CN115155733B CN202210558364.6A CN202210558364A CN115155733B CN 115155733 B CN115155733 B CN 115155733B CN 202210558364 A CN202210558364 A CN 202210558364A CN 115155733 B CN115155733 B CN 115155733B
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Classifications
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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
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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
- B02C19/20—Disintegrating by grating
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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
- B02C23/02—Feeding devices
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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
- B02C23/16—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
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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
- B02C7/11—Details
- B02C7/12—Shape or construction of discs
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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
- B02C7/11—Details
- B02C7/14—Adjusting, applying pressure to, or controlling distance between, discs
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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
- B02C7/11—Details
- B02C7/16—Driving mechanisms
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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
- B02C23/16—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
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- 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
Abstract
The invention relates to the technical field of slag treatment, in particular to a slag treatment device of a millstone type foundry furnace. A slag treatment device of a millstone type casting furnace comprises a supporting shell, a feed hopper, a grinding device, an adjusting device, a blocking mechanism and a transmission mechanism. The feed hopper includes a guide wall, a screening tray and a baffle ring. The grinding device comprises a first grinding ring and a second grinding ring. The adjusting device comprises a plurality of grinding toothed plates, wherein the plurality of grinding toothed plates 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. When the millstone crusher for controlling the particle size of the feeding materials is used for processing materials with different sizes, the materials with large particle sizes and the materials with small particle sizes are screened according to the particle sizes of the materials, then the materials are crushed, and the moving form of the millstone plate is automatically adjusted according to the overall particle size ratio of the materials.
Description
Technical Field
The invention relates to the technical field of slag treatment, in particular to a slag treatment device of a millstone type foundry furnace.
Background
Slag is an intermediate product of a metal melt produced during melting, and the slag needs to be recycled during production. The existing processing device mainly adopts a crushing principle to process slag into materials with uniform granularity, so that the slag can be utilized in the subsequent process.
The prior slag treatment device can not select a proper crushing form according to the actual particle size condition of the input materials, can only crush the materials in a fixed range, has a smaller application range, and can not select the materials with corresponding particle sizes to be blocked according to the condition of congestion when the input materials are congested, so that the crushing efficiency is lower.
In the process of continuously crushing materials, more or less qualified materials appear when the last round of crushing is not performed yet, however, when the part of materials are subjected to subsequent crushing, the phenomenon of overgrinding can occur, so that the discharging quality is not ideal, or energy is wasted.
Disclosure of Invention
The invention provides a slag treatment device of a millstone type foundry furnace, which aims to solve the problem of low working efficiency of the existing slag treatment device.
The slag treatment device of the millstone type casting furnace adopts the following technical scheme:
a slag treatment device of a millstone type casting furnace comprises a supporting shell, a feed hopper, a grinding device, an adjusting device, a blocking mechanism and a transmission mechanism.
The feed hopper comprises a guide wall, a screening disc and a baffle ring; the guide wall is flaring-shaped, 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 gradually concave from the edge to the middle part; the baffle ring is connected with the inner peripheral wall of the screening disc, and a first feed inlet is formed in the baffle ring.
The grinding device comprises a first grinding ring and a second grinding ring; the second grinding ring is arranged on 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 gradually inclining downwards from the middle part to the edge, and the second grinding ring is provided with a plurality of crushing teeth; the first grinding ring and the first grinding ring are rotatably arranged on the supporting shell, and the rotation directions are opposite.
The adjusting device is arranged below the grinding device and comprises a plurality of grinding toothed plates, wherein the plurality of grinding toothed plates can rotate along with the first grinding ring and the second grinding ring and move inwards along with the rotation of the first grinding ring and move outwards along with the rotation of 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 inlet.
The transmission mechanism comprises a first transmission piece and a second transmission piece; the first transmission piece 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 cover the first feed inlet, and the second transmission piece is configured to pull the upper end of the second telescopic ring to move upwards when the grinding toothed plate moves inwards.
Further, the slag treatment device of the millstone type casting furnace further comprises a driving motor, wherein the driving motor drives the first grinding ring to rotate anticlockwise, and the second grinding ring rotates clockwise; the adjusting device also comprises a limiting disc, a driven disc and a sliding column.
The limiting plate is fixedly arranged on the supporting shell and is positioned below the grinding device, and a plurality of vortex grooves which are symmetrical in center relative to the axis of the first grinding ring are arranged on the upper surface of the limiting plate and spiral clockwise in overlook from the inner end to the outer end. The axis of the driven coil limit disc is rotatably arranged on the support shell and is positioned on the upper side of the limit disc, and a plurality of straight sliding grooves which take the axis of the limit disc as the center and are in a radial shape are arranged on the driven coil limit disc. 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.
Further, the adjusting device further comprises a plurality of control rods, the control rods are uniformly distributed along the circumference of the connecting cylinder, each control rod extends along the radial direction of the connecting cylinder, a plurality of sliding rings are arranged on each control rod, and the sliding columns can slide along the control rods through the sliding rings.
Further, the slag treatment device of the millstone type casting furnace further comprises a connecting cylinder, wherein the connecting cylinder is arranged above the middle part of the limiting disc, a plugging plate is arranged at the lower end of the connecting cylinder, a first through hole is formed in the side wall of the connecting cylinder, a first vertical pipe and a baffle plate for dividing the plugging plate into two halves 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 liquid is filled in the connecting cylinder; the first transmission piece comprises a first lifting rod and a first hydraulic mechanism; the first lifting rod is sleeved on the first vertical pipe in a sliding manner along 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 is used for extruding and pushing liquid into the first vertical pipe when the outermost sliding ring moves outwards.
Further, a second through hole is further 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 plate; the second transmission piece 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 up-down 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 is used for extruding and pushing liquid into the second vertical pipe when the innermost sliding ring moves inwards.
Further, the first hydraulic mechanism and the second hydraulic mechanism comprise a containing box, a sealing plate and a transfusion 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 is 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 is outwards, the sealing plate is arranged at the opening of the accommodating box, is in sealed sliding connection with the accommodating box, and is in a 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; the cavity wall of the accommodating cavity of the first hydraulic mechanism is provided with a second liquid outlet hole, and the infusion tube is communicated with the second liquid outlet hole and the second through hole.
Further, the driven plate gradually extends downwards from the middle part to the edge of the driven plate, and the vertical distance between the driven plate and the lower end surfaces of the first grinding ring and the second grinding ring gradually decreases from the middle part to the edge; the tooth grooves on the grinding toothed plates extend along the radial direction of the driven plate, and the inclination angles of the plurality of grinding toothed plates are the same as the inclination angle of the driven plate.
Further, the groove distance of the vortex groove gradually becomes smaller from inside to outside, and the distance between every two adjacent grinding toothed plates gradually becomes smaller along the radial direction of the driven plate; the grinding toothed plate is arc-shaped, the circle center of the arc is positioned on the axis of the driven plate at the initial position, and the length of the grinding plate positioned at the outer side is greater than that of the grinding plate positioned at the inner side.
Further, the slag treatment device of the millstone type casting furnace further comprises a screening ring, a material collecting box and a material returning mechanism; the screening ring is arranged below the driven plate, 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 return mechanism is configured to convey material remaining in the screening ring to the feed hopper.
Further, the crushing teeth on the first grind ring extend in the tangential direction of the first grind ring and the crushing teeth on the second grind ring extend in the tangential direction of the second grind ring.
The beneficial effects of the invention are as follows: when the grinding disc type crusher for controlling the granularity of the feeding materials is used for crushing the materials, the grinding degree is different due to different sizes of the materials, and when the grinding disc type crusher for controlling the granularity of the feeding materials is used for processing the materials with different sizes, the materials with large particle sizes and the materials with small particle sizes are screened according to the particle sizes of the materials, then the materials are crushed, the moving form of the grinding toothed plates is automatically adjusted according to the integral particle size ratio of the materials, and when the materials with small particle sizes occupy more, the grinding toothed plates rotate along with the second grinding ring and move outwards, and the upper end of the first telescopic ring is pulled to move upwards under the action of the transmission mechanism so as to shield the first feeding port and reduce the entering of the small materials. When the large-grain-size materials occupy 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 the feeding hole of the large-grain-size materials and reduce the entry of the large materials.
Further, when the whole grinding toothed plate moves inwards, compared with the initial state, the maximum distance between the grinding toothed plate and the first grinding ring in the vertical direction is increased, and the crushing efficiency of the large-sized materials is improved. When a plurality of grinding plates wholly outwards move, compare with initial state, grind the maximum distance of pinion rack and first grinding ring vertical direction and reduce, improve the crushing efficiency to the fritter material.
Further, unqualified materials generated after grinding can be thrown into the feed hopper again through the material returning mechanism to be crushed again, so that the crushing quality is ensured. The whole body moves to one side near the middle part of the filter disc, and compared with the initial state, the maximum distance between the grinding plate and the vertical direction of the first grinding ring is increased, so that the crushing efficiency of the bulk materials is improved. When the small-particle-size materials in the grinding cavity occupy more, the plurality of grinding plates integrally move to one side close to the middle part of the filter disc, compared with the 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 the small-size materials is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a slag treatment device for millstone type foundry furnace according to an embodiment of the present invention;
FIG. 2 is a semi-sectional view of an embodiment of a slag handling device of a millstone type foundry furnace of the present invention;
FIG. 3 is an enlarged view at A of FIG. 2;
FIG. 4 is a schematic view of the first and second grinding rings of a slag treatment apparatus for a millstone type foundry furnace of the present invention;
FIG. 5 is a schematic structural view of a limiting plate and first and second lifting rods of a slag treatment device of a millstone type foundry furnace of the present invention;
FIG. 6 is a partial cross-sectional view of a control rod and transmission mechanism of a slag handling unit of a millstone type foundry furnace of the present invention;
fig. 7 is a partial exploded view of a first hydraulic mechanism of a slag treating apparatus for a millstone type foundry furnace of the present invention.
In the figure: 1. a stopper case; 11. a sieving tray; 12. a baffle ring; 2. a support case; 21. a first abrasive disc; 22. a second abrasive disc; 23. a driven plate; 31. grinding the toothed plate; 32. a control lever; 33. a limiting disc; 331. a vortex groove; 34. a sliding column; 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. the second telescopic ring; 44. a first expansion ring; 45. a guide wall; 46. crushing teeth; 47. a first standpipe; 48. a second standpipe; 49. a baffle; 51. a second hydraulic mechanism; 52. a first hydraulic mechanism; 53. an infusion tube; 54. a sealing plate; 55. extruding and pushing the block; 56. a housing box; 6. a returning charge mechanism; 61. a screening ring; 7. a motor; 8. a first grind ring; 9. a second grind ring; 10. and a material collecting box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of a slag treatment device for a millstone type foundry furnace of the present invention, as shown in fig. 1 to 7, includes a support housing 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, screening discs 11 and a baffle ring 12. The guide wall 45 is flared, forming a guide cavity therein; the screening tray 11 is arranged above the guide chamber and mounted on the guide wall 45, and the screening tray 11 is gradually recessed from the edge to the middle, so that the material can enter from the middle of the screening tray 11. The baffle ring 12 is connected to the inner peripheral wall of the sieving plate 11, and a first feed inlet is provided in the baffle ring 12 to allow small-sized material passing through the sieving holes in the sieving plate 11 to enter.
The grinding device comprises a first grinding ring 8 and a second grinding ring 9; the second grinding ring 9 is arranged on 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 form a conical surface gradually inclining downwards from the middle part to the edge, and the second grinding ring is provided with a plurality of crushing teeth 46 which are convenient for crushing materials; the first grinding ring 8 and the first grinding ring 8 are rotatably mounted on the support housing 2, and the rotation directions are opposite.
The adjusting device is disposed below the grinding device and includes a plurality of grinding toothed plates 31, and the plurality of grinding toothed plates 31 are configured to rotate with the first grinding ring 8 and the second grinding ring 9, and move inward when rotating with the first grinding ring 8, and move outward when rotating with the second grinding ring 9.
The plugging mechanism comprises a first telescopic ring 44 and a second telescopic ring 43. The lower end of the first telescopic ring 44 is rotatably installed at the inlet of the first grinding ring 8 and below the first feeding port, and is used for shielding the first feeding port when stretching, so as to reduce the entry of small-particle-size materials. The lower end of the second telescopic ring 43 is mounted on the baffle ring 12 and is positioned above the first feed inlet. Further, a stopper case 1 is further installed on the upper side of the inner peripheral edge of the screening tray 11, a second feed opening is provided in the peripheral wall of the stopper case 1, and material which cannot pass through the screening holes in the screening tray 11 enters from the second feed opening, and a second expansion ring 43 is used for shielding the material falling from the second feed opening when stretching.
The transmission mechanism comprises a first transmission member and a second transmission member. The first transmission member is configured to pull the upper end of the first expansion ring 44 upward when the grinding tooth plate 31 moves outward to block the first feed port, and the second transmission member is configured to pull the upper end of the second expansion ring 43 upward when the grinding tooth plate 31 moves inward.
In this embodiment, as shown in fig. 1 and 2, a slag treatment device of a grinding disc type foundry furnace further includes a driving mechanism, the driving mechanism drives the first grinding ring 8 to rotate anticlockwise, the second grinding ring 9 rotates clockwise, concretely, the driving mechanism includes two motors 7, friction wheels are sleeved on output shafts of the motors 7, the outer sides of the first grinding ring 8 are connected with the first grinding disc 21, the outer sides of the second grinding ring 9 are connected with the second grinding disc 22, the friction wheels of one motor 7 are in friction contact with the first grinding disc 21, the first grinding ring 8 is driven to rotate anticlockwise, the friction wheels of the other motor 7 are in friction contact with the second grinding disc 22, and the second grinding ring 9 is driven to rotate clockwise. The adjusting device further comprises a limit plate 33, a driven plate 3 and a sliding column 34. The limiting plate 33 is fixedly mounted on the supporting shell 2 below the grinding device, and a plurality of vortex grooves 331 which are symmetrical with respect to the axis of the first grinding ring 8 are formed in the upper surface of the limiting plate, and the vortex grooves 331 are spiral clockwise in a top view from the inner end to the outer end. The driven plate 3 is rotatably mounted on the support shell 2 around the axis of the limiting plate 33 and is positioned on the upper side of the limiting plate 33, and a plurality of straight sliding grooves which take the axis of the limiting plate 33 as the center and take the shape of a transmission are arranged on the driven plate. 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 vortex groove 331, and the grinding toothed plate 31 moves inwards when the sliding column rotates anticlockwise along the vortex groove 331.
In this 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 connecting cylinder 4, each control rod 32 extends along the radial direction of the connecting cylinder 4, a plurality of sliding rings are provided on each control rod 32, and the sliding columns 34 are slidable along the control rods 32 through the sliding rings, so that the grinding toothed plate 31 is prevented from deflecting when rotating along the vortex grooves 331.
In this embodiment, as shown in fig. 3 and 5, a slag treatment device of a millstone type foundry furnace further comprises a connecting cylinder 4, wherein the connecting cylinder 4 is installed above the middle part of the limiting plate 33, a plugging plate is installed at the lower end of the connecting cylinder 4, 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 in the connecting cylinder, 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 inner part of the connecting cylinder is filled with liquid; the first transmission member includes a first lifter 42 and a first hydraulic mechanism 52; the first lifting rod 42 is sleeved on the first vertical pipe 47 in a sliding manner along 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; the first hydraulic mechanism 52 is mounted on the outer end of the control rod 32, and is used for pushing the liquid into the first vertical pipe 47 when the outermost sliding ring moves outwards, so as to promote the first lifting rod 42 to lift and gradually shade the first feed inlet.
In this embodiment, as shown in fig. 3, a second through hole 402 is further provided on the side wall of the connecting tube 4, a second standpipe 48 is provided inside, and the lower end of the second standpipe 48 is connected with the inner tube wall of the connecting tube 4 and a baffle 49; the second transmission member includes a second lifting lever 41 and a second hydraulic structure; the second lifting rod 41 is sleeved on the second vertical pipe 48 in a sliding manner along the up-down 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 on the inner end of the control rod 32 for pushing the liquid into the second standpipe 48 when the innermost slide ring moves inward to urge the second lifting rod 41 upward to progressively block the second feed port.
In the present embodiment, the first hydraulic mechanism 52 and the second hydraulic mechanism 51 each include a housing tank 56, a sealing plate 54, and an infusion tube 53. The accommodating box 56 of the first hydraulic mechanism 52 is arranged 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 arranged 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 sealed sliding 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 cavity wall of the accommodating cavity of the first hydraulic mechanism 52, and the liquid delivery pipe 53 is communicated with the first liquid outlet hole and the first through hole 401; a second liquid outlet hole is arranged on the cavity wall of the accommodating cavity of the first hydraulic mechanism 52, the liquid delivery pipe 53 is communicated with the second liquid outlet hole and the second through hole 402, and specifically, a squeezing block 55 is further connected between the sliding ring and the sealing plate 54, so that the sliding ring can squeeze the sealing plate 54 conveniently. In other embodiments, the sealing plate 54 and the pushing block 55 are magnetic blocks, and the corresponding sides of the two magnetic blocks are attracted to each other, so that the sealing plate 54 is prevented from being reset, and when the sliding ring moves outwards along the control rod 32, the sealing plate 54 of the first hydraulic mechanism 52 is pushed outwards, so that the liquid in the first hydraulic mechanism 52 is pushed above the first vertical tube 47 through the liquid delivery pipe 53, and the first lifting rod 42 moves upwards. The sealing plate 54 of the second hydraulic mechanism 51 is pushed inwardly as the sliding ring moves inwardly along the control rod 32, thereby causing the liquid in the second hydraulic mechanism 51 to be pushed through the liquid pipe 53 into the upper portion of the second standpipe 48 to move the second lifting rod 41 upwardly.
In the present embodiment, the driven plate 3 gradually extends downward from the middle portion thereof toward the edge thereof, and the vertical distance from the lower end surfaces of the first and second grind rings 8 and 9 gradually decreases from the middle portion toward the edge; the 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 subjected to the coarse-to-fine grinding process.
In the present embodiment, the groove pitch of the scroll groove 331 becomes gradually smaller from inside to outside, and the pitch between each adjacent two of the grinding tooth plates 31 becomes gradually smaller in the radial direction of the driven plate 3; the grinding toothed plate 31 is arc-shaped, the center of the arc is positioned on the axis of the driven plate 3 at the initial position, the length of the grinding plate positioned at the outer side is larger than that of the grinding plate positioned at the inner side, namely, the influence on the quality of discharge is small, the adaptive distribution of the grinding plates is ensured, the basic uniformity of the quality of discharge is ensured, the stretching amount of the first telescopic ring 44 is smaller than that of the second telescopic ring 43, and the stretching amount of the first telescopic ring is matched with the actual feeding amount of the first feeding port and the second feeding port.
In the embodiment, the slag treatment device of the millstone type casting furnace 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 plate 3, and the outer peripheral wall of the screening ring is arranged on the supporting shell 2; the material collecting box 10 is arranged below the sieving ring 61 to collect materials falling from the sieving ring 61, specifically, the sieving ring 61 is obliquely arranged so that the materials above the sieving ring 61 are gathered at the lowest part of the sieving ring 61; the return mechanism 6 is configured to convey material remaining in the screening ring 61 to a 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, so that the material is sufficiently crushed.
The crushing process of the slag treatment device of the millstone type casting furnace is as follows:
simultaneously, two motors 7 are started, 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 small-particle-size material falls from the screening holes in the screening tray 11, 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 crushed materials slide into the screening ring 61 along the inclined surface of the driven disc 3 under the action of gravity, the qualified crushed materials fall into the material collecting box 10 from the screening holes of the screening ring 61, and the materials which cannot pass through the screening holes of the screening ring 61 are left on the screening ring 61, and then return to the feed hopper under the action of the material returning mechanism 6.
When the small-grain-size materials in the grinding cavity occupy more, the grinding toothed plate 31 positioned on the outer side is larger in rotating force, the grinding toothed plate 31 can rotate clockwise along with the second grinding ring 9, the sliding column 34 below the grinding toothed plate 31 rotates clockwise along the vortex groove 331 and moves to the side far away from the connecting cylinder 4 through the sliding ring 32, meanwhile, the plurality of grinding toothed plates 31 drive the driven disc 3 to rotate clockwise, as the plurality of grinding toothed plates 31 integrally move outwards, compared with the initial state, the minimum distance between the grinding toothed plate 31 and the second grinding ring 9 is reduced, the small-size materials are crushed in a concentrated mode, and the sliding ring pushes the sealing plate 54 of the first hydraulic mechanism 52 outwards through the push block 55 when moving outwards along the control rod 32, so that liquid in the containing cavity is pushed to the first vertical tube 47 along the infusion tube 53, the first lifting rod 42 moves upwards, and the first lifting rod 42 drives the upper end of the first telescopic sleeve through the plurality of connecting plates to gradually block the entry of the small-grain-size materials.
When the large-grain-size materials in the grinding cavity occupy more, the grinding toothed plate 31 positioned on the inner side is larger in rotating force and can rotate anticlockwise along with the first grinding ring 8, the sliding column 34 below the grinding toothed plate 31 rotates anticlockwise along the vortex groove 331 and moves towards one side close to the connecting cylinder 4 through the sliding ring along the control rod 32, meanwhile, the plurality of grinding toothed plates 31 drive the driven plate 3 to rotate anticlockwise, as the plurality of grinding toothed plates 31 move inwards integrally, compared with the initial state, the maximum distance between the grinding toothed plate 31 and the first grinding ring 8 is increased, the large materials are treated in a concentrated mode, and as the sliding ring moves inwards along the control rod 32, the sealing plate 54 of the second hydraulic mechanism 51 is pushed inwards through the pushing block 55 so as to push the liquid in the containing cavity to the second vertical pipe 48 along the infusion tube 53, the second lifting rod 41 is further moved upwards, and the first lifting rod 42 drives the upper end of the second telescopic sleeve to lift through the plurality of connecting plates, so that the small-grain-size materials are gradually blocked.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. A slag treatment device of a millstone type casting furnace is characterized in that: 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 flaring-shaped, 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 gradually concave from the edge to the middle part; the baffle ring is connected with the inner peripheral wall of the screening disc, and a first feed inlet is formed in the baffle ring;
the grinding device comprises a first grinding ring and a second grinding ring; the second grinding ring is arranged on 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 gradually inclining downwards from the middle part to the edge, and the second grinding ring is provided with a plurality of crushing teeth; the first grinding ring and the first grinding ring are rotatably arranged on the supporting shell, and the rotation directions are opposite;
the adjusting device is arranged below the grinding device and comprises a plurality of grinding toothed plates, wherein the plurality of grinding toothed plates are configured to rotate along with the first grinding ring and the second grinding ring and move inwards along with the rotation of the first grinding ring and move outwards along with the rotation of 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 inlet;
the transmission mechanism comprises a first transmission piece and a second transmission piece; the first transmission piece 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 feed inlet, and the second transmission piece is configured to pull the upper end of the second telescopic ring to move upwards when the grinding toothed plate moves inwards;
the slag treatment device of the millstone type casting furnace further comprises a driving motor, wherein the driving motor drives the first grinding ring to rotate anticlockwise, and the second grinding ring rotates clockwise;
the adjusting device also comprises a limiting disc, a driven disc and a sliding column;
the limiting plate is fixedly arranged on the supporting shell and is positioned below the grinding device, and a plurality of vortex grooves which are symmetrical in center relative to the axis of the first grinding ring are arranged on the upper surface of the limiting plate and spiral clockwise in overlook from the inner end to the outer end;
the driven disc is rotatably arranged on the support 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 take the shape of a radial shape are arranged on the driven disc;
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;
the slag treatment device of the millstone type casting furnace further comprises a connecting cylinder, wherein the connecting cylinder is arranged above the middle part of the limiting disc, a plugging plate is arranged at the lower end of the connecting cylinder, a first through hole is formed in the side wall of the connecting cylinder, a first vertical pipe and a baffle plate for dividing the plugging plate into two halves 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 adjusting device further comprises a plurality of control rods, the control rods are uniformly distributed along the circumferential direction of the connecting cylinder, each control rod extends along the radial direction of the connecting cylinder, a plurality of sliding rings are arranged on each control rod, and the sliding columns can slide along the control rods through the sliding rings;
the first transmission piece comprises a first lifting rod and a first hydraulic mechanism; the first lifting rod is sleeved on the first vertical pipe in a sliding manner along 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 is used for extruding and pushing liquid into the first vertical pipe when the outermost sliding ring moves outwards; the side wall of the connecting cylinder is also provided with a second through hole, 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 plate; the second transmission piece 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 up-down 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 is used for extruding and pushing liquid into the second vertical pipe when the innermost sliding ring moves inwards.
2. A millstone type foundry furnace slag treatment apparatus as set forth in claim 1 wherein:
the first hydraulic mechanism and the second hydraulic mechanism comprise a containing box, a sealing plate and a transfusion 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 is 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 is outwards, the sealing plate is arranged at the opening of the accommodating box, is in sealed sliding connection with the accommodating box, and is in a 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; the cavity wall of the accommodating cavity of the first hydraulic mechanism is provided with a second liquid outlet hole, and the infusion tube is communicated with the second liquid outlet hole and the second through hole.
3. A millstone type foundry furnace slag treatment apparatus as set forth in claim 1 wherein:
the driven disc gradually extends downwards from the middle part to the edge of the driven disc, and the vertical distance between the driven disc and the lower end surfaces of the first grinding ring and the second grinding ring gradually decreases from the middle part to the edge; the tooth grooves on the grinding toothed plates extend along the radial direction of the driven plate, and the inclination angles of the plurality of grinding toothed plates are the same as the inclination angle of the driven plate.
4. A millstone type foundry furnace slag treatment apparatus as set forth in claim 1 wherein:
the groove distance of the vortex groove gradually becomes smaller from inside to outside, and the distance between every two adjacent grinding toothed plates gradually becomes smaller along the radial direction of the driven plate; the grinding toothed plate is arc-shaped, the circle center of the arc is positioned on the axis of the driven plate at the initial position, and the length of the grinding plate positioned at the outer side is greater than that of the grinding plate positioned at the inner side.
5. A millstone type foundry furnace slag treatment apparatus as set forth in claim 1 wherein:
the device also comprises a screening ring, a material collecting box and a material returning mechanism; the screening ring is arranged below the driven plate, 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 return mechanism is configured to convey material remaining in the screening ring to the feed hopper.
6. A millstone type foundry furnace slag treatment apparatus as set forth in 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.
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| CN202210558364.6A CN115155733B (en) | 2022-05-20 | 2022-05-20 | Millstone type foundry furnace slag treatment device |
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| CN115155733A (en) | 2022-10-11 |
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Effective date of registration: 20230808 Address after: 516200 Xin Wei Zhen Dong Feng Cun San Wu Cun, Huiyang District, Huizhou City, Guangdong Province Applicant after: Huizhou Yi'an Precious Metals Co.,Ltd. Address before: No. 700, Shengchang Middle Road, Yuelai Town, Haimen District, Nantong City, Jiangsu Province 226000 Applicant before: Nantong Haiteng Copper Co.,Ltd. |
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