Petroleum coke double-roller crusher

Abstract

The utility model discloses a petroleum coke roll crusher, which comprises a roll crusher body, two guide plates, an elastic support mechanism, a conveying plate and a rotating mechanism, the two guide plates are rotatably arranged in a crushing cavity, the elastic support mechanism is arranged in the crushing cavity, one end of each guide plate is fixedly connected with the conveying plate, and the other end of each guide plate is fixedly connected with the rotating mechanism. A discharging space is formed between the two conveying plates, the conveying plates are provided with abutting faces, and the rotating mechanism is arranged on the roll crusher body and used for driving the two material guiding plates to rotate and be combined and stopping dissipation of dust when no petroleum coke exists on the material guiding plates. The petroleum coke double-roller crusher for prebaked anode production is used for solving the problems that in the background technology, plate-shaped materials fall between two rollers in a flat state, the contact area between the plate-shaped materials and the roller surfaces is large, the plate-shaped materials slip due to uneven stress, the local feeding amount is reduced, a crushing opening is blocked, discharging is difficult, and the crushing efficiency is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pair roller crusher, concretely relates to a petroleum coke pair roller crusher. BACKGROUND

[0002] Petroleum coke, this black solid fuel from petroleum refining, is the "leading role" of prebaked anode production, its quality directly determines the anode product's conductivity, mechanical strength and corrosion resistance, and then pulls the efficiency and cost of the whole electrolytic aluminum production, in order to facilitate storage, transportation and subsequent use, need first use pair roller crusher to handle it into more regular, easy to use form.

[0003] The traditional pair roller crusher, by two groups of synchronous relative rotation tooth roll, they utilize the pressure and shearing force generated by alloy roll surface, "gnaw" petroleum coke into target particle size, by adjusting the gap between the two rollers, can also control the discharge size more accurately, let finished product particle size uniform, not to be coarse and fine mixed.

[0004] However, in the feeding link, the common practice is to pour petroleum coke directly into the feed hopper, if it is a plate-shaped petroleum coke, it is easy to lie down and fall between the two rollers, in this way, the contact area of material and roll surface is too large, the stress is uneven, it is easy to slip, not only leads to local slow feeding, but also may block the crushing opening, the discharge is not smooth, and the whole crushing efficiency also drops. UTILITY MODEL CONTENTS

[0005] In view of the deficiency of prior art, the utility model provides a petroleum coke pair roller crusher to solve the problem that the plate-shaped material is easy to fall between the two rollers in a lying state, which may slip due to large contact area with the roll surface and uneven stress, not only reduces the local feeding amount, but also blocks the crushing opening, leading to difficult discharge and low crushing efficiency.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A petroleum coke pair roller crusher, including pair roller crusher body, the pair roller crusher body includes the crushing chamber, still including guide plate, elastic support mechanism, conveying plate and rotating mechanism, two guide plates are rotationally arranged in the crushing chamber, the elastic support mechanism is arranged in the crushing chamber and is used for elastically supporting the guide plate, and the petroleum coke is guided to move to the middle of the crushing chamber, one end of the guide plate is fixedly connected with the conveying plate, the conveying plate is formed between two conveying plates Space, the abutting surface is opened on the conveying plate, the rotating mechanism is arranged on the pair roller crusher body, when there is no petroleum coke on the guide plate, the rotating mechanism drives two guide plates to rotate and merge, and the escape of dust is blocked.

[0008] Further, the elastic supporting mechanism comprises a fixed frame, a connecting shaft, a rotating plate, a pressing plate and a supporting spring, two of the material guiding plates and the inner side wall of the crushing cavity are fixedly connected with the fixed frame, the connecting shaft is rotatably arranged in the fixed frame, one end of the rotating plate is rotatably connected with the connecting shaft close to the inner wall of the crushing cavity, one end of the pressing plate is rotatably connected with the connecting shaft close to the material guiding plate, the other end of the pressing plate penetrates through the other end of the rotating plate and is slidably connected with the rotating plate, and the supporting spring is arranged in the rotating plate and fixedly connected with the other end of the pressing plate.

[0009] Further, the rotating mechanism comprises a driving shaft, a gear, a rack and a driving assembly, the driving shaft is rotatably arranged in the crushing cavity, the material guiding plate is coaxially fixedly connected with the driving shaft, the gear is sleeved on one end of the driving shaft and coaxially fixedly connected with the driving shaft, a chute is formed in the pair of roller crusher body, the rack is slidably arranged in the chute, two of the racks can be engaged with two of the gears respectively, and the driving assembly is arranged on the pair of roller crusher body and used for simultaneously driving two of the racks to be engaged with two of the gears respectively and driving the gears to rotate.

[0010] As further schemes of the present scheme, the driving assembly comprises a C-shaped plate, a lifting plate and an electric cylinder, two of the racks are fixedly connected with one end of the C-shaped plate, one end of the lifting plate is fixedly connected with the other end of the C-shaped plate, and the electric cylinder is installed on the pair of roller crusher body and fixedly connected with the lifting plate at an output end.

[0011] As further schemes of the present scheme, the rotating plate is provided with a pressure sensor, the other end of the supporting spring is fixedly connected with the pressure sensor, and two of the pressure sensors are electrically connected with the electric cylinder.

[0012] On the basis of the foregoing scheme, the pair of roller crusher body is communicated with a feeding groove, the feeding groove is obliquely arranged and has the same oblique direction as one of the material guiding plates.

[0013] Compared with the prior art, the petroleum coke pair of roller crusher has the following beneficial effects:

[0014] 1、In the present application, the plate-shaped petroleum coke is slid into the pair of roller crusher body along the inclined surface of the feeding groove, one of the material guiding plates is driven to rotate, one end of the plate-shaped petroleum coke enters the discharging space, and the two conveying plates elastically hold the plate-shaped petroleum coke under the elastic force of the supporting spring, so that the plate-shaped petroleum coke moves nearly vertically towards the two crushing rollers, and the crushing is facilitated.

[0015] 2. In the utility model, when there is no plate-shaped petroleum coke on the two guide plates, the pressure sensor transmits a signal to the electric cylinder, the electric cylinder is started to drive the two conveying plates to rotate and make the two abutting surfaces contact, the two conveying plates are combined and cooperate with the guide plates to block the crushing cavity, and dust is prevented from excessively escaping during the crushing of the petroleum coke. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a preferred embodiment of the present application;

[0017] Figure 2 It is a schematic diagram of the overall three-dimensional structure of another perspective of a preferred embodiment of the present application;

[0018] Figure 3 It is a schematic diagram of the overall three-dimensional structure of a preferred embodiment of the present application;

[0019] Figure 4 It is a schematic diagram of the overall three-dimensional structure of a preferred embodiment of the present application;

[0020] Figure 5 It is a schematic diagram of the overall three-dimensional structure of a preferred embodiment of the present application;

[0021] Figure 6 It is a schematic diagram of the overall three-dimensional structure of a preferred embodiment of the present application;

[0022] Figure 7 It is a schematic diagram of the overall three-dimensional structure of a preferred embodiment of the present application;

[0023] In the figure: 1, pair roller crusher body; 2, crushing roller; 3, crushing cavity; 4, guide plate; 5, conveying plate; 6, discharge space; 7, abutting surface; 8, fixed frame; 9, connecting shaft; 10, rotating plate; 11, extrusion plate; 12, supporting spring; 13, drive shaft; 14, gear; 15, rack; 16, C-shaped plate; 17, lifting plate; 18, electric cylinder; 19, pressure sensor; 20, feed slot. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, 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 those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment

[0025] Please refer to Figures 1 to 7 The petroleum coke pair roller crusher comprises a pair roller crusher body 1, the pair roller crusher body 1 comprises a crushing cavity 3, the crushing roller 2 is arranged in the crushing cavity 3 through a driving mechanism, and the pair roller crusher body 1 further comprises a guide plate 4, an elastic supporting mechanism, a conveying plate 5 and a rotating mechanism;

[0026] Two guide plates 4 are rotatably arranged in the crushing cavity 3, the elastic supporting mechanism is arranged in the crushing cavity 3 and above the crushing roller 2, and is used for elastically supporting the guide plate 4 and guiding the petroleum coke to move to the middle of the crushing cavity 3, the elastic supporting mechanism comprises a fixed frame 8, a connecting shaft 9, a rotating plate 10, a pressing plate 11 and a supporting spring 12, the fixed frame 8 is fixedly connected to the inner side wall of the crushing cavity 3 and the guide plate 4, the connecting shaft 9 is rotatably arranged in the fixed frame 8, one end of the rotating plate 10 is rotatably connected to the connecting shaft 9 close to the inner wall of the crushing cavity 3, one end of the pressing plate 11 is rotatably connected to the connecting shaft 9 close to the guide plate 4, the other end of the pressing plate 11 penetrates through the other end of the rotating plate 10 and is slidably connected to the rotating plate 10, and the supporting spring 12 is arranged in the rotating plate 10 and one end of the supporting spring 12 is fixedly connected to the other end of the pressing plate 11;

[0027] As Figure 3 , Figure 5 and Figure 6As shown, one end of the guide plate 4 is fixedly connected with a conveying plate 5, the conveying plate 5 is provided with an abutting surface 7, the support spring 12 has a large coefficient, and can elastically support the petroleum coke raw material; when the petroleum coke raw material is pressed on the guide plate 4, the guide plate 4 extrudes the support spring 12, the support spring 12 is contracted and elastically supports the guide plate 4, and the distance between the two conveying plates 5 can be used for the passage of the plate-shaped petroleum coke raw material; it needs to be supplemented that the roll crusher body 1 is communicated with a feeding groove 20, the feeding groove 20 is inclinedly arranged and has the same inclination direction as one guide plate 4, so that the entering plate-shaped petroleum coke is not perpendicular to the two guide plates 4 and is not "stuck"; when the plate-shaped petroleum coke is processed, the plate-shaped petroleum coke is slid along the inclined surface of the feeding groove 20 into the roll crusher body 1, one end of the plate-shaped petroleum coke first contacts one guide plate 4 and is pressed on the guide plate 4, the guide plate 4 drives the fixed frame 8 connected thereto to rotate, the fixed frame 8 drives the extrusion plate 11 and the rotating plate 10 to rotate under the action of the two connecting shafts 9, the extrusion plate 11 moves along the inner wall of the rotating plate 10 and extrudes the support spring 12, the support spring 12 is contracted and generates a reverse elastic force, so that the guide plate 4 is elastically supported, and the plate-shaped petroleum coke on the guide plate 4 abuts against the conveying plate 5 on the other guide plate 4 and extrudes and drives the other guide plate 4 to rotate, so that one end of the plate-shaped petroleum coke enters the discharging space 6, and the two conveying plates 5 elastically clamp the plate-shaped petroleum coke under the action of the elastic force of the support spring 12, so that the plate-shaped petroleum coke moves nearly vertically towards the two crushing rollers 2 and is crushed;

[0028] As shown in Figure 2 , Figure 3 , Figure 4 and Figure 7 , the rotating mechanism is arranged on the roll crusher body 1 and is used to drive the two guide plates 4 to rotate and combine when there is no petroleum coke on the guide plates 4, so as to block the escape of dust; the rotating mechanism comprises a driving shaft 13, a gear 14, a rack 15 and a driving assembly, the driving shaft 13 is rotationally arranged in the crushing cavity 3, the guide plate 4 is coaxially and fixedly connected with the driving shaft 13, the gear 14 is coaxially and fixedly connected with one end of the driving shaft 13 and is sleeved on the driving shaft 13, a sliding groove is formed in the roll crusher body 1, the rack 15 is slidingly arranged in the sliding groove, the rack 15 is not communicated with the crushing cavity 3, and the two racks 15 can be engaged with the two gears 14 respectively; it needs to be supplemented that when the granular petroleum coke is crushed, the two guide plates 4 can also guide the granular petroleum coke; when the plate-shaped raw material is guided by the two conveying plates 5 and vertically downwardly moves to be crushed by the two crushing rollers 2, even if one end of the plate-shaped raw material is vibrated by crushing, the gear 14 and the rack 15 can keep continuous engagement through the cooperation of the conveying plate 5, the guide plate 4 and the support spring 12, so as to avoid the influence of mechanical vibration;

[0029] The driving assembly is arranged on the double-roller crusher body 1 and is used for simultaneously driving the two racks 15 to engage with the two gears 14 respectively and drive the gears 14 to rotate. The driving assembly comprises a C-shaped plate 16, a lifting plate 17 and an electric cylinder 18. The two racks 15 are fixedly connected with one end of the C-shaped plate 16. The double-roller crusher body 1 is provided with a slot matched with the C-shaped plate 16. One end of the lifting plate 17 is fixedly connected with the other end of the C-shaped plate 16. The electric cylinder 18 is installed on the double-roller crusher body 1 and is fixedly connected with the lifting plate 17 at the output end. The rotating plate 10 is provided with a pressure sensor 19. The other end of the supporting spring 12 is fixedly connected with the pressure sensor 19. The two pressure sensors 19 are electrically connected with the electric cylinder 18. When there is no plate-shaped petroleum coke on the two guide plates 4, the pressure value received by the pressure sensor 19 is the smallest. The pressure sensor 19 transmits a signal to the electric cylinder 18. The electric cylinder 18 is started. The output end of the electric cylinder 18 pushes the lifting plate 17 to move upwards. The lifting plate 17 drives the C-shaped plate 16 to move. The C-shaped plate 16 drives the two racks 15 to move along the inner wall of the sliding slot. In the moving process, the two racks 15 engage with the two gears 14 respectively and drive the two gears 14 to rotate respectively. The two gears 14 drive the two guide plates 4 to rotate respectively. The two guide plates 4 drive the two conveying plates 5 to rotate and make the two abutting surfaces 7 contact. The two conveying plates 5 are combined and cooperate with the guide plates 4 to block the crushing cavity 3, so as to avoid excessive dust escaping during the crushing of petroleum coke.

[0030] Working principle: When the petroleum coke double-roller crusher for producing prebaked anode is crushing the petroleum coke raw material for producing prebaked anode, the rack 15 is driven by the electric cylinder 18 to be in a state of not engaging with the gear 14. Under the action of the elastic supporting member, the two conveying plates 5 directly form the discharging space 6. When the plate-shaped petroleum coke is processed, the plate-shaped petroleum coke is slid along the inclined surface of the feeding groove 20 into the double-roller crusher body 1. One end of the plate-shaped petroleum coke first contacts the guide plate 4 and is pressed on the guide plate 4. The guide plate 4 drives the fixed frame 8 connected therewith to rotate. The fixed frame 8 drives the pressing plate 11 and the rotating plate 10 to rotate under the action of the two connecting shafts 9. The pressing plate 11 moves along the inner wall of the rotating plate 10 and presses the supporting spring 12. The supporting spring 12 contracts and generates elastic force in the opposite direction. In this way, the guide plate 4 is elastically supported. The plate-shaped petroleum coke on the guide plate 4 abuts against the conveying plate 5 on the other guide plate 4 and presses and drives the other guide plate 4 to rotate. One end of the plate-shaped petroleum coke enters the discharging space 6. The two conveying plates 5 elastically clamp the plate-shaped petroleum coke under the action of the elastic force of the supporting spring 12. The plate-shaped petroleum coke moves nearly vertically towards the two crushing rollers 2, which is convenient for crushing.

[0031] When there is no plate-shaped petroleum coke on the two guide plates 4, at this time, the pressure sensor 19 receives the minimum pressure value, the pressure sensor 19 transmits a signal to the electric cylinder 18, the electric cylinder 18 is started, the output end of the electric cylinder 18 pushes the lifting plate 17 to move upwards, the lifting plate 17 drives the C-shaped plate 16 to move, the C-shaped plate 16 drives the two racks 15 to move along the inner wall of the sliding groove, in the moving process, the two racks 15 are respectively engaged with the two gears 14 and drive the two gears 14 to rotate respectively, the two gears 14 drive the two guide plates 4 to rotate respectively, the two guide plates 4 drive the two conveying plates 5 to rotate and make the two abutting surfaces 7 contact, the two conveying plates 5 are combined and cooperate with the guide plates 4 to block the crushing cavity 3, so that the dust is prevented from excessively escaping when the petroleum coke is crushed.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A petroleum coke double-roll crusher, comprising a double-roll crusher body (1), wherein the double-roll crusher body (1) includes a crushing chamber (3), characterized in that, Also includes: Two guide plates (4) are rotatably arranged inside the crushing chamber (3); An elastic support mechanism is provided inside the crushing chamber (3) to elastically support the guide plate (4) and guide the petroleum coke to move towards the center of the crushing chamber (3); Conveying plate (5), one end of the guide plate (4) is fixedly connected to the conveying plate (5), a discharge space (6) is formed between the two conveying plates (5), and an abutment surface (7) is provided on the conveying plate (5); A rotating mechanism is provided on the body (1) of the double roll crusher. When there is no petroleum coke on the guide plate (4), the two guide plates (4) are rotated and merged to prevent the dust from escaping.

2. The petroleum coke double-roll crusher according to claim 1, characterized in that, The elastic support mechanism includes: The fixing frame (8) is fixedly connected to the inner sidewalls of the two guide plates (4) and the crushing chamber (3). A connecting shaft (9) is rotatably disposed within the fixed frame (8); Rotating plate (10), one end of which is rotatably connected to the connecting shaft (9) near the inner wall of the crushing chamber (3); An extrusion plate (11) has one end rotatably connected to the connecting shaft (9) near the guide plate (4), and the other end passes through the other end of the rotating plate (10) and is slidably connected to the rotating plate (10). A support spring (12) is disposed inside the rotating plate (10), and one end of the support spring (12) is fixedly connected to the other end of the pressing plate (11).

3. A petroleum coke double-roll crusher according to claim 2, characterized in that, The rotating mechanism includes: A drive shaft (13) is rotatably disposed in the crushing chamber (3), and the guide plate (4) is coaxially fixedly connected to the drive shaft (13); Gear (14), which is fitted onto one end of the drive shaft (13) and is coaxially and fixedly connected to the drive shaft (13); The rack (15) is provided in the body (1) of the double roll crusher, and the rack (15) is slidably disposed in the groove. The two racks (15) can mesh with the two gears (14) respectively. A drive assembly is provided on the body (1) of the double roll crusher, which is used to simultaneously drive the two racks (15) to mesh with the two gears (14) and drive the gears (14) to rotate.

4. A petroleum coke double-roll crusher according to claim 3, characterized in that, The driving component includes: The C-shaped plate (16) has two racks (15) fixedly connected to one end of the C-shaped plate (16); A lifting plate (17), one end of which is fixedly connected to the other end of the C-shaped plate (16); An electric cylinder (18) is installed on the body (1) of the double roll crusher, and its output end is fixedly connected to the lifting plate (17).

5. A petroleum coke double-roll crusher according to claim 4, characterized in that, A pressure sensor (19) is installed inside the rotating plate (10). The other end of the support spring (12) is fixedly connected to the pressure sensor (19). Both pressure sensors (19) are electrically connected to the electric cylinder (18).

6. A petroleum coke double-roll crusher according to claim 1, characterized in that, The main body (1) of the double roll crusher is connected to a feed chute (20), which is inclined and has the same inclination direction as one of the guide plates (4).

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