Metallurgical solid waste vanadium slag crushing device

Abstract

The utility model discloses a metallurgical solid waste vanadium slag crushing device which comprises a crushing box, a first motor is fixed to the top of the crushing box, and the output end of the first motor penetrates through the crushing box and is fixedly provided with a rotary drum. According to the vanadium slag crushing device, the first motor is started to drive the rotary drum to rotate, the annular crushing shell corresponding to the rotary drum is fixed in the crushing box, and the plurality of crushing rods are mounted between the crushing shell and the rotary drum in a staggered manner, so that along with the rotation of the crushing rods of the rotary drum, vanadium slag falling into the crushing box is respectively in collision contact with the rotary drum and the plurality of crushing rods of the crushing shell; large vanadium slag is crushed into small blocks under the collision action of a plurality of crushing balls on a crushing rod, the small blocks penetrate through a filter screen to enter a grinding disc mounting area, a second motor drives a grinding disc to rotate, and the preliminarily crushed vanadium slag is ground and crushed through the inner wall of a crushing box and the grinding surface of the lower conical surface of the grinding disc. Collision crushing and grinding crushing are integrated, and the fine crushing degree of vanadium slag crushing is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crushing device technical field especially relates to metallurgical solid waste vanadium residue crushing device. BACKGROUND

[0002] Vanadium residue is the general term of the residue containing vanadic oxide obtained by oxidizing and blowing the molten iron containing vanadium in the vanadium extraction process or obtained by wet vanadium extraction of vanadium-containing iron concentrate, which is the raw material for smelting and preparing vanadium alloy and metallic vanadium, and needs to use a crushing device. The present inventor found in the research process that the particle size of vanadium residue after extraction is directly related to the conversion rate of the second vanadium extraction.

[0003] For metallurgical vanadium residue, the existing treatment method is mainly that the vanadium residue is cooled and crystallized in the residue tank during transportation, poured out of the tank in the special residue breaking area, and the large block vanadium residue just poured out of the tank is crushed by falling hammer or hydraulic residue breaking. The main difficulties and problems of this crushing method are that the large block vanadium residue just poured out of the tank has low efficiency in the process of falling hammer or hydraulic residue breaking, and the crushed vanadium residue has poor fineness, which is not friendly to the subsequent smelting and preparation of vanadium alloy and metallic vanadium.

[0004] Therefore, a metallurgical solid waste vanadium residue crushing device is proposed, which has the advantage of increasing the fineness of vanadium residue crushing, thereby solving the problems in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model discloses a metallurgical solid waste vanadium residue crushing device which is proposed to solve the shortcomings in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a metallurgical solid waste vanadium residue crushing device, comprising a crushing box, a first motor is fixed at the top of the crushing box, and a rotating drum is fixed at the output end of the first motor and penetrates the crushing box, a crushing shell is fixed on the inner wall surface of the crushing box corresponding to the rotating drum, a plurality of crushing rods are staggered and installed on the inner side surface of the crushing shell and the surface of the rotating drum, and a plurality of crushing balls are integrally cast on the surface of the crushing rods of the crushing shell and the rotating drum, a bottom box is fixed at the bottom of the crushing box, a second motor is fixed in the bottom box, a grinding disc is fixed and installed at the output end of the second motor and penetrates the bottom box, the grinding disc is located in the crushing box, a filter screen is arranged between the grinding disc and the rotating drum, a grinding surface is arranged on the conical surface of the grinding disc and the inner wall surface of the crushing box, a discharging shell is arranged in the bottom box and communicates with the crushing box, a discharge nozzle is arranged on the side surface of the discharging shell and extends to the outside of the bottom box, and a feeding hopper is connected to the top surface of the crushing box.

[0007] As a further description of the above technical solution: the top of the feeding hopper is welded with a support block, and the left and right sides of the support block are respectively hingedly installed with movable cover plates through hinges, the top of the support block is symmetrically welded with two inclined struts, and a set of tension springs is respectively hung between the two inclined struts and the movable cover plates.

[0008] As a further description of the above technical solution: the grinding disc is composed of an upper conical surface and a lower conical surface, the upper conical surface of the grinding disc corresponds to the filter screen, and an annular vanadium slag transition zone is formed between the upper conical surface of the grinding disc and the inner wall of the crushing box.

[0009] As a further description of the above technical solution: the filter screen is in an annular structure, and a plurality of circular holes are uniformly arranged on the surface of the filter screen.

[0010] As a further description of the above technical solution: the discharging shell is composed of an inner ring and an outer ring, the height of the inner ring is less than the height of the outer ring, and the height difference between the inner ring and the outer ring forms an annular slope.

[0011] As a further description of the above technical solution: the bottom box is welded with a support bottom ring on the lower side, and a plurality of inclined struts are arranged around the top surface of the support bottom ring, and each inclined strut of the support bottom ring is welded with the outer wall of the crushing box.

[0012] As a further description of the above technical solution: the discharge nozzle is inserted with a plug at one end extending to the outside of the bottom box, and the plug is composed of a sealing part and an insertion part.

[0013] The utility model has the advantages of:

[0014] In the utility model, the first motor is started to drive the rotary drum to rotate, the annular crushing shell is fixed in the crushing box corresponding to the rotary drum, a plurality of crushing rods are installed between the crushing shell and the rotary drum, the vanadium slag falling into the crushing box collides with the plurality of crushing rods of the rotary drum and the crushing shell, the large vanadium slag is crushed into small pieces under the collision of the plurality of crushing balls on the crushing rods, and the vanadium slag enters the grinding disc installation area through the filter screen, the grinding disc is driven to rotate by the second motor, the preliminary crushed vanadium slag is ground and crushed by the grinding surface of the lower conical surface of the grinding disc and the inner wall of the crushing box, compared with the prior art, the utility model integrates collision crushing and grinding crushing, improves the crushing degree of the vanadium slag, and is beneficial to increasing the vanadium extraction conversion rate of the vanadium slag.

[0015] The utility model discloses a support block, movable cover plate, inclined bracing, tension spring are set up in the feed hopper top surface of crushing box, when feeding, movable cover plate is rotatably connected with support block through the hinge, and the tension spring is installed between movable cover plate and the inclined bracing of support block, with the shovel of vanadium residue to feed hopper, the weight of vanadium residue presses movable cover plate to incline inside the feed inlet, and makes the tension spring between movable cover plate and inclined bracing be stretched, and vanadium residue slides into feed hopper along the inclined movable cover plate, and falls into crushing box, at this time, movable cover plate makes the tension spring rebound under the condition of not being pressed by vanadium residue, reaches the effect that the feed inlet is blocked, adopts this feeding mode, realizes the automatic blocking of feed inlet while satisfying vanadium residue feeding, reduces the condition that vanadium residue crushing dust leaks massively. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structure schematic view of metallurgical solid waste vanadium residue crushing device of the utility model;

[0017] Figure 2 It is cross section view of crushing box;

[0018] Figure 3 It is the sectional view of feed hopper;

[0019] Figure 4 It is structure schematic view of discharging shell.

[0020] LEGEND:

[0021] 1, crushing box;2, first motor;3, feed hopper;4, rotary drum;5, crushing shell;6, crushing rod;7, crushing ball;8, filter screen;9, grinding disc;10, bottom box;11, second motor;12, discharging shell;13, grinding surface;14, discharge nozzle;15, feed inlet;16, support block;17, movable cover plate;18, inclined bracing;19, tension spring;20, annular slope;21, plug. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] According to the embodiments of the utility model, metallurgical solid waste vanadium residue crushing device is provided.

[0024] The utility model will be further explained in combination with the drawings and specific embodiments, such as Figures 1-4As shown, according to the metallurgical solid waste vanadium slag crushing device of the utility model embodiment, including the crushing box 1, the first motor 2 is fixed at the top of the crushing box 1, and the output end of the first motor 2 is fixed with the rotary drum 4 penetrating the crushing box 1, the crushing shell 5 is fixed on the inner wall surface of the crushing box 1 corresponding to the rotary drum 4, and a plurality of crushing rods 6 are alternately installed on the inner side surface of the crushing shell 5 and the surface of the rotary drum 4, and a plurality of crushing balls 7 are integrally cast on the surface of the crushing rod 6 of the crushing shell 5 and the rotary drum 4, the bottom of the crushing box 1 is fixed with the bottom box 10, the second motor 11 is fixed in the bottom box 10, the grinding disc 9 is fixed and installed at the output end of the second motor 11 penetrating the bottom box 10, the grinding disc 9 is in the inside of the crushing box 1, and the filter screen 8 is arranged between the grinding disc 9 and the rotary drum 4, the grinding surface 13 is arranged on the lower conical surface of the grinding disc 9 and the inner wall surface of the crushing box 1, the inside of the bottom box 10 is provided with the discharging shell 12 communicated with the crushing box 1, the side surface of the discharging shell 12 is provided with the discharge nozzle 14 extending to the outside of the bottom box 10, and the top surface of the crushing box 1 is communicated with the feeding hopper 3, wherein the crushing rod 6 of the crushing shell 5 and the rotary drum 4 does not interfere with each other, the crushing rod 6 of the rotary drum 4 has the effect of stirring vanadium slag, the control mode of the utility model is controlled by manually starting and closing the switch for the first motor 2 and the second motor 11, and the wiring diagram of the power element and the provision of the power supply belong to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement of the utility model will not be explained in detail.

[0025] In one embodiment, the top of the feeding hopper 3 is welded with the supporting block 16, the left and right sides of the supporting block 16 are respectively hingedly installed with the movable cover plate 17 through the hinge, the top of the supporting block 16 is symmetrically welded with the two inclined struts 18, a group of tension springs 19 are respectively hung and installed between the two inclined struts 18 and the movable cover plate 17, the top surface of the feeding hopper 3 is provided with the two feeding ports 15, and the two feeding ports 15 correspond to the two movable cover plates 17 one by one, as the vanadium slag is shovelled to the feeding hopper 3, the weight of the vanadium slag presses the movable cover plate 17 to tilt to the inside of the feeding port 15, and makes the tension spring 19 between the movable cover plate 17 and the inclined strut 18 be stretched, the vanadium slag slides into the feeding hopper 3 along the inclined movable cover plate 17, and falls into the crushing box 1, at this time, the tension spring 19 is reset by the movable cover plate 17 under the condition of not being pressed by the vanadium slag, and the feeding port 15 achieves the effect of plugging, and this feeding mode realizes the automatic plugging of the feeding port 15 while meeting the vanadium slag feeding, and reduces the occurrence of a large amount of vanadium slag crushing dust leakage.

[0026] In one embodiment, the grinding disc 9 is composed of an upper taper surface and a lower taper surface, and the upper taper surface of the grinding disc 9 is arranged corresponding to the filter screen 8, and an annular vanadium slag transition zone is formed between the upper taper surface of the grinding disc 9 and the inner wall of the crushing box 1, wherein the lower taper surface of the grinding disc 9 is arranged with the grinding surface 13, and the grinding surface 13 is used in cooperation with the grinding surface 13 of the inner wall of the crushing box 1, the part of the crushing box 1 with the grinding surface 13 is in a tapered structure, and the gap between the lower part of the crushing box 1 and the lower taper surface of the grinding disc 9 gradually decreases.

[0027] In one embodiment, the filter screen 8 is in an annular structure as a whole, and a plurality of circular holes are uniformly arranged on the surface of the filter screen 8. Through the arrangement of the filter screen 8, it is easy to screen the vanadium slag, so that the vanadium slag meeting the grinding particle size requirement enters the area of the grinding disc 9, the grinding effect is improved, and the service life of the second motor 11 is prolonged.

[0028] In one embodiment, the discharging shell 12 is composed of an inner ring and an outer ring, and the height of the inner ring is less than the height of the outer ring, and the height difference between the inner ring and the outer ring forms an annular slope surface 20. Through the arrangement of the annular slope surface 20, it is easy to fully discharge.

[0029] In one embodiment, the lower part of the bottom box 10 is welded with a supporting bottom ring, and the top surface of the supporting bottom ring is surrounded by a plurality of inclined supports, and each inclined support of the supporting bottom ring is welded with the outer wall of the crushing box 1. Through the arrangement of the supporting bottom ring, the stability of the bottom box 10 is increased.

[0030] In one embodiment, the discharge nozzle 14 extends to one end outside the bottom box 10 and is plugged with a plug 21, and the plug 21 is composed of a sealing part and a plugging part. Through the arrangement of the plug 21, it is easy to discharge on demand, and avoid dust leakage to pollute the environment.

[0031] Working principle:

[0032] In use, first, the vanadium slag is shovelled to the feed hopper 3 of the crushing box 1, as the vanadium slag is shovelled to the feed hopper 3, the weight of the vanadium slag inclines the movable cover plate 17 to the inside of the feed port 15 and stretches the tension spring 19 between the movable cover plate 17 and the inclined support rod 18, the vanadium slag slides into the feed hopper 3 along the inclined movable cover plate 17 and falls into the crushing box 1, in the feeding gap of the vanadium slag, the movable cover plate 17 makes the tension spring 19 rebound and reset under the condition of not being pressed by the vanadium slag, and maintains the sealing of the feed port 15, when crushing, the first motor 2 is started to drive the rotary drum 4 to rotate, as the annular crushing shell 5 corresponding to the rotary drum 4 is fixed in the crushing box 1, and a plurality of crushing rods 6 are staggered between the crushing shell 5 and the rotary drum 4, as the crushing rods 6 of the rotary drum 4 rotate, the vanadium slag falling into the crushing box 1 is in collision and contact with the plurality of crushing rods 6 of the rotary drum 4 and the crushing shell 5, under the collision action of the plurality of crushing balls 7 on the crushing rods 6, the large vanadium slag is crushed into small pieces, and passes through the filter screen 8 into the installation area of the grinding disc 9, as the second motor 11 drives the grinding disc 9 to rotate, the preliminary crushed vanadium slag is ground and crushed by the grinding surface 13 between the inner wall of the crushing box 1 and the lower conical surface of the grinding disc 9, until the ground and crushed vanadium slag is discharged through the discharge nozzle 14 of the discharge shell 12.

[0033] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A metallurgical solid waste vanadium slag crushing device, comprising a crushing box (1), characterized in that: The top of the crushing box (1) is fixed with a first motor (2), and the output end of the first motor (2) is fixed with a rotating drum (4) penetrating the crushing box (1), the inner wall of the crushing box (1) is fixed with a crushing shell (5) corresponding to the rotating drum (4), a plurality of crushing rods (6) are staggered mounted on the inner side of the crushing shell (5) and the surface of the rotating drum (4), and a plurality of crushing balls (7) are integrally cast on the surface of the crushing rods (6) of the crushing shell (5) and the rotating drum (4), the bottom of the crushing box (1) is fixed with a bottom box (10), and the inside of the bottom box (10) is fixed with a second motor (11), the output end of the second motor (11) is fixedly installed with a grinding disc (9) penetrating the bottom box (10), the grinding disc (9) is located in the inside of the crushing box (1), and a filter screen (8) is arranged between the grinding disc (9) and the rotating drum (4), the lower conical surface of the grinding disc (9) and the inner wall surface of the crushing box (1) are correspondingly provided with grinding surfaces (13), and the inside of the bottom box (10) is provided with a discharging shell (12) communicating with the crushing box (1), the side of the discharging shell (12) is provided with a discharge nozzle (14) extending to the outside of the bottom box (10), and the top surface of the crushing box (1) is communicated with a feeding hopper (3).

2. The metallurgical solid waste vanadium slag crushing device according to claim 1, characterized in that: The top of the feeding hopper (3) is welded with a supporting block (16), and the left and right sides of the supporting block (16) are respectively hingedly connected with movable cover plates (17), the top of the supporting block (16) is symmetrically welded with two inclined struts (18), and a group of tension springs (19) are respectively hung between the two inclined struts (18) and the movable cover plates (17), the top surface of the feeding hopper (3) is provided with two feeding openings (15), and the two feeding openings (15) correspond to the two movable cover plates (17) one by one.

3. The metallurgical solid waste vanadium slag crushing device according to claim 1, characterized in that: The grinding disc (9) is composed of an upper conical surface and a lower conical surface, the upper conical surface of the grinding disc (9) is provided corresponding to the filter screen (8), and the upper conical surface of the grinding disc (9) and the inner wall of the crushing box (1) form an annular vanadium slag transition zone.

4. The metallurgical solid waste vanadium slag crushing device according to claim 1, characterized in that: The filter screen (8) is in the form of an annular structure, and a plurality of circular holes are uniformly formed on the surface of the filter screen (8).

5. The metallurgical solid waste vanadium slag crushing device according to claim 1, characterized in that: The discharging shell (12) is composed of an inner ring and an outer ring, the height of the inner ring is less than the height of the outer ring, and the height difference between the inner ring and the outer ring forms an annular slope (20).

6. The metallurgical solid waste vanadium slag crushing device according to claim 1, characterized in that: The bottom of the bottom box (10) is welded with a supporting bottom ring, and the top surface of the supporting bottom ring is surrounded by a plurality of inclined struts, and each inclined strut of the supporting bottom ring is welded with the outer wall of the crushing box (1).

7. The metallurgical solid waste vanadium slag crushing device according to claim 1, characterized in that: The end of the discharge nozzle (14) extending to the outside of the bottom box (10) is inserted with a plug (21), and the plug (21) is composed of a sealing part and an insertion part.

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