A material blocking prevention roller unloading device

Abstract

The present invention belongs to the technical field of unloading devices, and discloses an anti-blocking roller unloading device, the unloading device includes a machine body, a hopper and a unloading roller, the hopper is arranged in the machine body and has a discharge port at the lower end; the unloading roller includes a rotating roller body and a plurality of crushing protrusions distributed at intervals along the circumference of the rotating roller body, the rotating roller body is rotatably arranged in the machine body around its own central axis, and a material receiving trough is formed between two adjacent crushing protrusions; the outer surface of the crushing protrusion facing away from the rotating roller body is a contact surface; the edge of the discharge port is in sliding contact with the contact surface, and the material in the hopper falls into the material receiving trough through the discharge port, and at least part of the crushing protrusion can enter the hopper through the discharge port, so as to extrude the material together with the inner wall of the hopper for crushing. When used in a flue gas purification system, it can crush the block crystals in the hopper, maintain the continuous discharge of activated carbon, ensure the long-term stable operation of the system, and effectively solve the problem of frequent shutdown of the system due to blockage.

Description

Technical Field

[0001] The present invention relates to the technical field of unloading devices, and in particular to an anti-blocking roller type unloading device. Background Art

[0002] SO2 and NO in steel production enterprises X Emissions mainly come from sintering and coking processes. Activated carbon desulfurization and denitrification technology is the most widely used flue gas desulfurization and denitrification process. This technology uses the adsorption and catalytic properties of activated carbon to make SO2, O2 and water vapor in the flue gas adsorbed on the surface of activated coke respectively. After the reaction, H2SO4 is generated and adsorbed in the micropores of the activated coke, thereby achieving the desulfurization effect. The flue gas leaving the desulfurization bed is mixed with ammonia in the mixing section and then enters the denitrification bed. Under the catalytic action of activated carbon, NO X Reacts with NH3 to produce nitrogen and water.

[0003] The activated carbon flue gas purification system includes a discharge device for transferring and conveying materials. Figure 1 and Figure 2 As shown, the unloading device includes an activated carbon unloading bin 100 and a round roller 200. The round roller 200 can rotate around its own axis. The activated carbon unloading bin 100 is located above the round roller 200. A part of its bottom end is in sliding contact with the round roller 200, and the other part maintains a gap with the round roller 200 to form a unloading port 300 between the round roller 200. When the round roller 200 rotates counterclockwise, the activated carbon in the activated carbon unloading bin 100 is brought out through the unloading port 300 to achieve unloading.

[0004] The above scheme has the following defects: since the sintering flue gas contains a large amount of chloride ions and the activated carbon after desulfurization adsorbs sulfuric acid, these two substances can easily react with ammonia to form block crystals. The block crystals are large in volume and can easily block the discharge port 300. After the blockage, the discharge device no longer discharges material, resulting in hot spots in the bed layer, affecting the normal operation of the flue gas purification system, causing the sintering machine to be forced to shut down, the desulfurization and denitrification process to be terminated, and the normal production process to be delayed.

[0005] Therefore, there is an urgent need for an anti-blocking roller unloading device to solve the above-mentioned problems existing in the prior art. Summary of the Invention

[0006] The purpose of the present invention is to provide an anti-blocking roller unloading device, which can prevent blockage from occurring during the unloading process, ensure normal discharge of materials, and reduce the production termination caused by blockage.

[0007] To achieve this object, the present invention adopts the following technical solutions:

[0008] Provided is a material blocking prevention roller unloading device, comprising:

[0009] body;

[0010] A silo is provided in the machine body, and a discharge port is provided at the lower end of the silo;

[0011] The discharge roller comprises a rotating roller body and a plurality of material-crushing protrusions spaced apart along the circumference of the rotating roller body. The rotating roller body is rotatably disposed within the body about its own central axis, and a material receiving trough is formed between two adjacent material-crushing protrusions. The outer surface of the material-crushing protrusion facing away from the rotating roller body serves as a contact surface.

[0012] The edge of the discharge port is in sliding contact with the contact surface, and the material in the silo falls into the receiving trough through the discharge port. At least part of the crushed material protrusion can enter the silo through the discharge port to extrude the material together with the inner wall of the silo.

[0013] In the above technical solution, when the rotating roller body driving the discharge roller rotates around its own central axis, the edge of the discharge port of the silo can slide in contact with the outer surface of the crushing convex portion of the discharge roller away from the rotating roller body, and the material in the silo falls into the receiving trough through the discharge port at its lower end. As the discharge roller rotates, the material in the silo is brought out through the receiving trough, thereby realizing the discharge of the material in the silo. When there is a large block material in the silo, and the block material falls near the discharge port, the crushing convex portion can enter the silo through the discharge port. As the crushing convex portion rotates, it and the inner wall of the silo squeeze the block material to crush it. The crushed material falls into the receiving trough for smooth discharge, preventing the large block material from blocking the discharge port of the silo, realizing the continuity of material discharge, and reducing the production termination phenomenon caused by blockage. When the unloading device is used in a flue gas purification system, the material stored in the silo is activated carbon. When the activated carbon generates large block crystals, the unloading roller of the unloading device can smoothly crush the crystals at the discharge port to avoid blockage caused by the crystals. During the rotation of the unloading roller, the activated carbon can be continuously discharged to ensure the long-term stable operation of the flue gas purification system, effectively solve the problem of frequent shutdown of the flue gas purification system due to blockage, and reduce the labor intensity of workers.

[0014] As an optional solution of the anti-blocking roller discharge device provided by the present invention, the crushing convex portion is provided with a first arc-shaped concave surface and an arc-shaped convex surface at both ends along its rotation direction, and the first arc-shaped concave surface and the arc-shaped convex surface are connected by the contact surface;

[0015] The connection between the first arc-shaped concave surface and the contact surface forms a crushing blade for squeezing the material.

[0016] In the above technical solution, the formation of a crushing blade increases the sharpness of the crushing protrusion, thereby more smoothly shredding the material. Furthermore, a receiving trough is formed between the first curved concave surface of one of the two adjacent crushing protrusions, the curved convex surface of the other, and the outer wall of the rotating roller body. This enlarged internal space of the receiving trough increases the amount of activated carbon that can be discharged and accelerates the discharge speed. Furthermore, when the crushing protrusion rotates to the point of entering the hopper, the first curved concave surface tends to tilt upward, better catching any activated carbon that leaks from the right end and eliminating leakage.

[0017] As an optional solution of the anti-blocking roller discharge device provided by the present invention, the crushing convex portion is provided with at least one first crushing spike on one end face along its rotation direction, and the first crushing spike is used to contact the material to squeeze and crush the material.

[0018] In the above technical solution, the first crushing spikes can reduce the difficulty of crushing, speed up the crushing speed, and ensure the smoothness of activated carbon feeding.

[0019] As an optional solution of the anti-blocking roller discharge device provided by the present invention, one end surface of the crushing convex portion along its rotation direction includes a crushing surface and a second arc-shaped concave surface, the second arc-shaped concave surface is connected to the contact surface through the crushing surface, and the second arc-shaped concave surface is recessed relative to the crushing surface;

[0020] The first crushing material spikes are convexly provided on the crushing surface.

[0021] As an optional solution of the anti-blocking roller discharge device provided by the present invention, the first material-crushing spikes extend along the axial direction of the rotating roller body;

[0022] Alternatively, the first material-crushing spikes are conical and are arranged in at least one row, and a plurality of the first material-crushing spikes in each row are spaced apart and distributed along the axial direction of the rotating roller body.

[0023] As an optional solution of the anti-blocking roller discharge device provided by the present invention, the silo includes an extrusion plate and a side panel, the extrusion plate and the side panel are connected end to end to enclose an inner cavity of the silo; the extrusion plate is used to extrude the material together with the crushed material protrusion;

[0024] The thickness of the extrusion plate is greater than the thickness of the side panel; or, the silo also includes a protective plate, which is stacked on the inner side of the extrusion plate for contacting the material; or, the anti-blocking roller unloading device also includes a pressure plate, which is fixedly connected to the body and abuts against the outer side wall of the extrusion plate.

[0025] In the above technical solution, by thickening the extrusion plate, stacking a protective plate on the extrusion plate, and setting a pressure plate between the machine body and the outer wall of the extrusion plate, the deformation problem of the extrusion plate can be reduced and the bearing capacity of the extrusion plate can be improved.

[0026] As an optional solution of the anti-blocking roller-type unloading device provided by the present invention, a reinforcing rib is connected between the extrusion plate and the side panel.

[0027] In the above technical solution, the reinforcement ribs are provided to increase the connection strength between the extrusion plate and the side panel, thereby preventing cracking between the two due to excessive load.

[0028] As an optional solution of the anti-blocking roller type unloading device provided by the present invention, the inner wall of the silo is provided with second material crushing spikes, and the second material crushing spikes are used to contact with the material to squeeze and crush the material.

[0029] In the above technical solution, the crushing effect can be further enhanced by providing the second crushing spikes.

[0030] As an optional solution of the anti-blocking roller discharge device provided by the present invention, the discharge roller further includes a fastener, and the crushing protrusion and the rotating roller body are detachably connected through the fastener.

[0031] In the above technical solution, when the crushing protrusion fails, it can be replaced in a targeted manner, thereby reducing maintenance costs.

[0032] As an optional solution of the anti-blocking roller discharge device provided by the present invention, the silo includes an extrusion plate and a side panel, the extrusion plate and the side panel are connected end to end to enclose an inner cavity of the silo; the extrusion plate is used to extrude the material together with the crushed material protrusion;

[0033] The vertical projection of the central axis of the rotating roller body overlaps with the vertical projection of the discharge port, and the vertical distance between the lowest point of the extrusion plate and the central axis of the rotating roller body is L1;

[0034] The contact surface is an arc-shaped surface, the center of the arc where the contact surface is located coincides with the central axis of the rotating roller body, and the radius of the arc where the contact surface is located is L2;

[0035] Among them, L1<L2.

[0036] In the above technical solution, when the crushing protrusion rotates into the hopper, its highest point can be higher than the lowest point of the extrusion plate, so that the crushing protrusion and the extrusion plate at least partially overlap in the horizontal direction, and the overlapping part can better squeeze and crush the block crystals.

[0037] Beneficial effects of the present invention:

[0038] The anti-blocking roller type unloading device provided by the present invention is that when the rotating roller body driving the unloading roller rotates around its own central axis, the edge of the discharge port of the silo can slide in contact with the outer surface of the crushing convex portion of the unloading roller away from the rotating roller body, and the material in the silo falls into the receiving trough through the discharge port at its lower end. As the unloading roller rotates, the material in the silo is brought out through the receiving trough, thereby realizing the unloading of the material in the silo. When there is a large block material in the silo, and the block material falls to the vicinity of the discharge port, the crushing convex portion can enter the silo through the discharge port. As the crushing convex portion rotates, it and the inner wall of the silo squeeze the block material to crush it. The crushed material falls into the receiving trough for smooth discharge, preventing the large block material from blocking the discharge port of the silo, realizing the continuity of material discharge, and reducing the production termination phenomenon caused by blockage. When the unloading device is used in a flue gas purification system, the material stored in the silo is activated carbon. When the activated carbon generates large block crystals, the unloading roller of the unloading device can smoothly crush the crystals at the discharge port to avoid blockage caused by the crystals. During the rotation of the unloading roller, the activated carbon can be continuously discharged to ensure the long-term stable operation of the flue gas purification system, effectively solve the problem of frequent shutdown of the flue gas purification system due to blockage, and reduce the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying any creative work.

[0040] Figure 1 It is a structural diagram of a discharge device in the prior art;

[0041] Figure 2 This is a schematic structural diagram of an activated carbon unloading bin and a circular roller of an unloading device in the prior art;

[0042] Figure 3 It is a structural schematic diagram of an anti-blocking roller type unloading device provided by a specific embodiment of the present invention;

[0043] Figure 4 1 is a schematic structural diagram of a discharge roller and a silo provided in a first embodiment of the present invention;

[0044] Figure 5 1 is a schematic structural diagram of a discharge roller and a silo provided in a second embodiment of the present invention;

[0045] Figure 6 1 is a schematic structural diagram of a discharge roller and a silo provided in a third embodiment of the present invention;

[0046] Figure 7 1 is a schematic structural diagram of a discharge roller and a silo provided in a fourth embodiment of the present invention;

[0047] Figure 8 is a schematic structural diagram of a silo provided in a fifth embodiment of the present invention;

[0048] Figure 9 It is a structural schematic diagram of a silo provided by the sixth embodiment of the present invention.

[0049] Figure 1 and Figure 2 middle:

[0050] 100. Activated carbon unloading bin; 200. Round roller; 300. Unloading port.

[0051] Figures 3 to 9 middle:

[0052] 1. Machine body; 2. Hopper; 3. Discharge roller; 4. Pressure plate;

[0053] 21. Extrusion plate; 22. Side panel; 23. Protective plate; 24. Reinforcement rib; 25. Second scrap spike;

[0054] 31. Rotating roller body; 32. Crushing convex portion; 33. Material receiving trough;

[0055] 321, contact surface; 322, first arc-shaped concave surface; 323, arc-shaped convex surface; 324, crushing blade; 325, first crushing spike; 326, crushing surface; 327, second arc-shaped concave surface;

[0056] 1000, activated carbon; 2000, massive crystals. DETAILED DESCRIPTION

[0057] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all structures.

[0058] In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0059] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0060] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on those shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0061] In this embodiment, the term "and / or" simply describes the association relationship between associated objects, indicating that three possible relationships exist. For example, A and / or B can represent the following three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this invention generally indicates that the associated objects are in an "or" relationship.

[0062] In the embodiments of the present invention, the same reference numerals denote the same components, and for the sake of brevity, detailed descriptions of the same components in different embodiments are omitted.

[0063] like Figure 3 and Figure 4 As shown, this embodiment provides an anti-blocking roller unloading device, which can prevent blockage during the unloading process, ensure normal discharge, and reduce production termination caused by blockage.

[0064] This anti-blocking roller discharge device comprises a machine body 1, a hopper 2, and a discharge roller 3. The hopper 2 is located within the machine body 1 and has a discharge port at its lower end. The discharge roller 3 comprises a rotating roller body 31 and a plurality of material-crushing projections 32 spaced circumferentially around the rotating roller body 31. The rotating roller body 31 is rotatably mounted within the machine body 1 about its central axis, with a material receiving trough 33 formed between adjacent material-crushing projections 32. The outer surface of the material-crushing projection 32 facing away from the rotating roller body 31 serves as a contact surface 321. The edge of the discharge port slidably contacts the contact surface 321, allowing material within the hopper 2 to flow through the discharge port and into the material receiving trough 33. At least a portion of the material-crushing projections 32 can pass through the discharge port into the hopper 2, thereby compressing the material against the inner wall of the hopper 2.

[0065] Optionally, both the upper and lower ends of the silo 2 are open, the opening at the upper end is the feed port, and the opening at the lower end is the above-mentioned discharge port.

[0066] The anti-blocking roller unloading device provided in the embodiment of the present application refers to Figure 4 In the middle position, when the rotating roller body 31 driving the discharge roller 3 rotates counterclockwise around its own central axis, the edge of the discharge port of the silo 2 can slide into the outer surface of the material crushing protrusion 32 of the discharge roller 3 away from the rotating roller body 31, and the material in the silo 2 falls into the receiving trough 33 through the discharge port at its lower end. As the discharge roller 3 rotates, the material in the silo 2 is brought out through the receiving trough 33, realizing the discharge of the material in the silo 2. Figure 4 In the process, materials are unloaded on the left side.

[0067] When there is a large block material in the silo 2 and the block material falls near the discharge port, the crushing protrusion 32 can enter the silo 2 through the discharge port. As the crushing protrusion 32 rotates, it and the inner wall of the silo 2 squeeze the block material to crush it. The crushed material falls into the receiving trough 33 for smooth discharge, preventing the large block material from clogging the discharge port of the silo 2, achieving continuous discharge, and reducing the production termination phenomenon caused by blockage.

[0068] In this embodiment, taking the activated carbon 1000 as the material in the silo 2 as an example, the activated carbon 1000 is prone to generate block crystals 2000 during the flue gas purification process, and the volume of the block crystals 2000 is much larger than the volume of a single piece of activated carbon 1000.

[0069] When the unloading device is used in a flue gas purification system, the material stored in the silo 2 is activated carbon 1000. When the activated carbon 1000 generates large block crystals 2000, the unloading roller 3 of the unloading device can smoothly crush the crystals at the discharge port to avoid blockage caused by the crystals. During the rotation of the unloading roller 3, the continuous discharge of the activated carbon 1000 can be maintained, ensuring the long-term stable operation of the flue gas purification system, effectively solving the problem of frequent shutdowns of the flue gas purification system due to blockage, and reducing the labor intensity of workers.

[0070] Exemplarily, at least four material-crushing protrusions 32 are evenly arranged in the circumferential direction of the rotating roller body 31 to avoid material leakage.

[0071] In some embodiments, the material-crushing protrusion 32 is integrally formed with the rotating roller body 31. For example, a plurality of receiving grooves 33 are provided at intervals along the circumference of a cylindrical roller to form the material-crushing protrusion 32. This simplifies manufacturing and ensures the connection strength between the rotating roller body 31 and the material-crushing protrusion 32. Furthermore, the material-crushing protrusion 32 can be processed based on the cylindrical roller of an existing unloading device, reducing processing costs and making full use of existing materials.

[0072] In other embodiments, the discharge roller 3 further includes fasteners, detachably connecting the crushing protrusion 32 to the rotating roller body 31. Since the crushing protrusion 32 compresses and crushes the massive crystals 2000 against the inner wall of the silo 2, it may become severely worn after long-term use, even developing pits, cracks at corners, and other problems. In such cases, the faulty crushing protrusion 32 can be replaced without replacing the entire discharge roller 3.

[0073] Illustratively, the fastener may be a high-strength long screw.

[0074] In some embodiments, as Figure 5 As shown, the crushing convex portion 32 is provided with a first arcuate concave surface 322 and an arcuate convex surface 323 at either end along its rotational direction. The first arcuate concave surface 322 and the arcuate convex surface 323 are connected by a contact surface 321. A crushing blade 324 is formed at the junction between the first arcuate concave surface 322 and the contact surface 321, which is used to crush the material. Specifically, the tangent line of the first arcuate concave surface 322 at the crushing blade 324 and the tangent line of the contact surface 321 at the crushing blade 324 form an acute angle, illustratively ranging from 5 to 60 degrees, such as 45 degrees, 30 degrees, etc. The formation of the crushing blade 324 increases the sharpness of the crushing convex portion 32, thereby more smoothly crushing the material.

[0075] Furthermore, a receiving trough 33 is formed between the first curved concave surface 322 of one of the two adjacent crushing protrusions 32, the curved convex surface 323 of the other, and the outer wall of the rotating roller body 31. This enlarged internal space of the receiving trough 33 increases the amount of activated carbon 1000 that can be discharged and speeds up the discharge. Furthermore, when the crushing protrusion 32 rotates to the point of entering the hopper 2, the first curved concave surface 322 tilts upward, better catching any activated carbon 1000 that leaks from the right end and preventing leakage.

[0076] Further, see Figure 5 The crushing convex part 32 is located at the upper left corner. At this time, the activated carbon 1000 discharged from the discharge port of the silo 2 is discharged along the arc-shaped convex surface 323 of the crushing convex part 32, which can improve the uniformity of the activated carbon 1000 when being discharged.

[0077] In some embodiments, see Figure 6At least one first crushing spike 325 is protruding from one end surface of the crushing projection 32 along its rotational direction (i.e., the first crushing spike 325 is provided on the end surface for crushing the material). The first crushing spike 325 is configured to contact the material to crush it. When the material is activated carbon 1000 and there are blocky crystals 2000 formed from the activated carbon 1000 at the discharge port of the silo 2, the first crushing spike 325 can reduce the crushing difficulty, speed up the crushing process, and ensure smooth discharge of the activated carbon 1000.

[0078] In some embodiments, see Figure 6 The end surface of the crushing protrusion 32 for squeezing the block crystals 2000 is a plane, and the plane can be covered with the first crushing spikes 325.

[0079] In other embodiments, see Figure 7 One end surface of the crushing convex portion 32 along its rotational direction includes a crushing surface 326 and a second arcuate concave surface 327. The second arcuate concave surface 327 is connected to the contact surface 321 via the crushing surface 326 and is recessed relative to the crushing surface 326. A first crushing spike 325 is protruding from the crushing surface 326. In other words, the end surface of the crushing convex portion 32 used for squeezing the massive crystals 2000 includes the second arcuate concave surface 327 and the crushing surface 326 on which the first crushing spike 325 is protruding. On the one hand, the setting of the first crushing spikes 325 on the crushing surface 326 can reduce the difficulty of crushing the block crystals 2000, speed up the crushing speed, and further prevent material blockage; on the other hand, the setting of the second arc-shaped concave surface 327 can expand the internal space of the receiving trough 33, so that more activated carbon 1000 can be brought out through the receiving trough 33 during the rotation of the unloading roller 3. Moreover, the second arc-shaped concave surface 327 is in an upward state when it is about to enter the silo 2, and can catch the activated carbon 1000 leaking from the right end of the silo 2, thereby avoiding leakage at the right end.

[0080] Furthermore, the above-mentioned arc-shaped convex surface 323 can be provided on the end surface of the crushing convex portion 32 opposite to the crushing surface 326 to play a guiding role when the activated carbon 1000 is discharged.

[0081] In some embodiments, the first material-crushing spikes 325 extend along the axial direction of the rotating roller body 31 . That is, along the axial direction of the rotating roller body 31 , the first material-crushing spikes 325 are long strips, ensuring uniform material crushing in the axial direction of the rotating roller body 31 .

[0082] In other embodiments, the first crushing spikes 325 are conical and arranged in at least one row, with multiple first crushing spikes 325 in each row spaced apart along the axial direction of the rotating roller body 31. The multiple conical first crushing spikes 325 not only reduce the crushing difficulty but also improve the degree of crushing, making the crushed crystals smaller and easier to discharge.

[0083] See Figure 6 、 Figure 8 and Figure 9 , the silo 2 includes an extrusion plate 21 and a side enclosure plate 22. The extrusion plate 21 and the side enclosure plate 22 are connected end to end to enclose and form the inner cavity of the silo 2; the side enclosure plate 22 is exemplarily in a "U" shape so as to enclose with the extrusion plate 21 to form the silo 2. After the broken material convex part 32 enters the silo 2 through the discharge port, the broken material convex part 32 first gradually approaches the extrusion plate 21, and the distance between it and the extrusion plate 21 gradually decreases. When there is a massive crystal 2000 between the two, the broken material convex part 32 and the extrusion plate 21 jointly extrude the massive crystal 2000 to achieve material breaking.

[0084] In some embodiments, as Figure 8 shown, the thickness of the extrusion plate 21 is greater than the thickness of the side enclosure plate 22, so that the extrusion plate 21 has higher strength and anti-deformation ability relative to the side enclosure plate 22, avoiding serious deformation problems of the extrusion plate 21 due to long-term extrusion of the activated carbon 1000.

[0085] In some other embodiments, as Figure 9 shown, the silo 2 further includes a protection plate 23. The protection plate 23 is stacked on the inner side of the extrusion plate 21 and is used to contact the massive crystal 2000 and jointly extrude and crush the massive crystal 2000 with the broken material convex part 32. By stacking the protection plate 23 on the inner side of the extrusion plate 21, it can be avoided that the extrusion plate 21 directly contacts the massive crystal 2000. The extrusion force during material breaking is transmitted to the extrusion plate 21 through the protection plate 23, making the force received by the extrusion plate 21 more uniform and reducing the phenomenon of local deformation of the extrusion plate 21.

[0086] In some other new embodiments, as Figure 3 shown, the anti-blocking roller type discharging device further includes a bearing plate 4. The bearing plate 4 is fixedly connected inside the machine body 1, and the bearing plate 4 abuts against the outer side wall of the extrusion plate 21, so that the force for extruding the massive crystal 2000 acts on the bearing plate 4 through the extrusion plate 21, and the bearing plate 4 transmits the force to the machine body 1. That is, by setting the bearing plate 4, the extrusion force received by the extrusion plate 21 during material breaking can be shared, reducing the load received by the extrusion plate 21, and thus eliminating the problem of deformation of the extrusion plate 2​​​​​​​A reinforcing rib 24 is connected between the extruded plate 21 and the side panel 22 to increase the connection strength between the extruded plate 21 and the side panel 22 and prevent cracks, breakage, etc. from occurring at the connection between the two.

[0089] In some embodiments, see Figure 6 The inner wall of the silo 2 is provided with a second crushing spike 25, which is used to contact the block crystals 2000 to squeeze and crush the block crystals 2000, further reducing the crushing difficulty and accelerating the crushing speed.

[0090] like Figure 3 As shown, in this embodiment, the vertical projection of the central axis of the rotating roller body 31 overlaps with the vertical projection of the discharge port. The vertical distance between the lowest point of the extrusion plate 21 and the central axis of the rotating roller body 31 is L1. The contact surface 321 is an arc-shaped surface, with the center of the arc of the contact surface 321 coinciding with the central axis of the rotating roller body 31. The radius of the arc of the contact surface 321 is L2; ​​where L1 < L2. This arrangement allows the crushing protrusion 32 to rotate into the silo 2, with its highest point higher than the lowest point of the extrusion plate 21. This allows the crushing protrusion 32 and the extrusion plate 21 to at least partially overlap horizontally. This overlap allows for better crushing of the massive crystals 2000.

[0091] Furthermore, in this embodiment, the edge of the discharge port extends in an arc shape along the rotation direction of the discharge roller 3, and the radius of the arc is the same as the radius of the arc of the contact surface 321. After the silo 2 and the discharge roller 3 are installed, the arc of the discharge port edge and the arc of the contact surface 321 are arranged approximately concentrically, ensuring that the discharge roller 3 can slide in contact with the edge of the discharge port during rotation.

[0092] For example, the lowest point of the side panel 22 that faces the extrusion plate 21 is higher than the lowest point of the extrusion plate 21. That is, the lowest point of the extrusion plate 21 is the lowest point of the entire discharge port edge of the silo 2. As a result, when the crushing protrusion 32 enters the silo 2 for crushing, the horizontal overlap area between the crushing protrusion 32 and the extrusion plate 21 is larger, which helps to improve the crushing effect.

[0093] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A material blocking prevention roller unloading device, characterized in that: include: Body (1); A silo (2) is provided in the machine body (1), and a discharge port is provided at the lower end of the silo (2); A discharge roller (3) comprises a rotating roller body (31) and a plurality of material-crushing protrusions (32) spaced apart along the circumference of the rotating roller body (31); the rotating roller body (31) is rotatably arranged in the machine body (1) around its own central axis, and a material receiving trough (33) is formed between two adjacent material-crushing protrusions (32); the outer surface of the material-crushing protrusion (32) facing away from the rotating roller body (31) is a contact surface (321); The edge of the discharge port is in sliding contact with the contact surface (321), and the material in the silo (2) is dropped into the receiving trough (33) through the discharge port. As the discharge roller (3) rotates, the material in the silo (2) is taken out through the receiving trough (33), and at least a part of the crushing protrusion (32) can enter the silo (2) through the discharge port to extrude the material together with the inner wall of the silo (2); The crushing convex portion (32) is provided with a first arc-shaped concave surface (322) and an arc-shaped convex surface (323) at both ends along the rotation direction thereof, and the first arc-shaped concave surface (322) and the arc-shaped convex surface (323) are connected via the contact surface (321); Or one end surface of the crushing convex portion (32) along its rotation direction includes a crushing surface (326) and a second arc-shaped concave surface (327), the second arc-shaped concave surface (327) is connected to the contact surface (321) through the crushing surface (326), and the second arc-shaped concave surface (327) is recessed relative to the crushing surface (326); Along the rotation direction of the discharge roller (3), the edge of the discharge port extends in an arc shape, and the radius of the arc is the same as the radius of the arc where the contact surface (321) is located. The arc where the edge of the discharge port is located is concentric with the arc where the contact surface (321) is located.

2. The anti-blocking roller discharge device according to claim 1, characterized in that: The connection between the first arc-shaped concave surface (322) and the contact surface (321) forms a crushing blade (324) for squeezing the material.

3. The anti-blocking roller discharge device according to claim 1, characterized in that: At least one first crushing spike (325) is convexly provided on one end surface of the crushing convex portion (32) along its rotation direction, and the first crushing spike (325) is used to contact with the material to squeeze and crush the material.

4. The anti-blocking roller discharge device according to claim 3, characterized in that: The first crushing spike (325) is protrudingly provided on the crushing surface (326).

5. The anti-blocking roller discharge device according to claim 3, characterized in that: The first material-removing spikes (325) extend along the axial direction of the rotating roller body (31); Alternatively, the first material-smashing spikes (325) are conical and are arranged in at least one row, and a plurality of the first material-smashing spikes (325) in each row are spaced apart along the axial direction of the rotating roller body (31).

6. The anti-blocking roller discharge device according to claim 1, characterized in that: The silo (2) comprises an extrusion plate (21) and a side panel (22), wherein the extrusion plate (21) and the side panel (22) are connected end to end to enclose an inner cavity of the silo (2); the extrusion plate (21) is used to extrude material together with the crushed material protrusion (32); The thickness of the extrusion plate (21) is greater than the thickness of the side panel (22); or, the silo (2) further comprises a protective plate (23), which is stacked on the inner side of the extrusion plate (21) for contacting the material; or, the anti-blocking roller type unloading device further comprises a pressure plate (4), which is fixedly connected to the body (1) and abuts against the outer side wall of the extrusion plate (21).

7. The anti-blocking roller discharge device according to claim 6, characterized in that: A reinforcing rib (24) is connected between the extrusion plate (21) and the side panel (22).

8. The anti-blocking roller discharge device according to any one of claims 1 to 7, characterized in that: The inner wall of the silo (2) is provided with a second material-crushing spike (25), and the second material-crushing spike (25) is used to contact the material to squeeze and crush the material.

9. The anti-blocking roller discharge device according to any one of claims 1 to 7, characterized in that: The discharge roller (3) further comprises a fastener, and the crushing protrusion (32) and the rotating roller body (31) are detachably connected via the fastener.

10. The anti-blocking roller discharge device according to any one of claims 1 to 7, characterized in that: The silo (2) comprises an extrusion plate (21) and a side panel (22), wherein the extrusion plate (21) and the side panel (22) are connected end to end to enclose an inner cavity of the silo (2); the extrusion plate (21) is used to extrude material together with the crushed material protrusion (32); The vertical distance between the lowest point of the extrusion plate (21) and the central axis of the rotating roller body (31) is L1; The contact surface (321) is an arc-shaped surface, the center of the arc where the contact surface (321) is located coincides with the central axis of the rotating roller body (31), and the radius of the arc where the contact surface (321) is located is L2; Among them, L1<L2.

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