A device for preventing coke from falling and breaking in coke silos

Abstract

This disclosure relates to the technical field of coke. One embodiment of this disclosure provides a device for preventing coke from falling and breaking in coke silos. The device includes: a vertical pipe and a top plate. The top plate is fixed to the top of the vertical pipe, and a feed inlet is provided on the surface of the top plate. A feed assembly is disposed on the top plate. A buffer assembly is disposed inside the vertical pipe, and the buffer assembly includes several rectangular openings arranged in a stepped manner on both sides of the vertical pipe. A fixing plate is welded and fixed inside each rectangular opening. A support plate is rotatably connected to the upper end of the side surface of the fixing plate via a pin. A buffer plate is rotatably connected to the surface of the support plate via a pin. Several buffer springs are connected to the bottom of the buffer plate and the surface of the support plate. An opening is provided on the surface of the fixing plate, and an outer frame is provided on the outer surface of the fixing plate. This technical solution solves the problem in the prior art where excessive falling impact causes coke to break, seriously affecting coke quality and subsequent usage efficiency.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the field of coke-related technology, and more specifically, to a device for preventing coke from falling and breaking in coke silos. Background Technology

[0002] In the production, storage, and transportation stages of coking plants, coke silos are key equipment for storing and transferring coke. However, during the unloading process from silos, there is a common problem of coke breakage due to excessive impact force from the fall, which seriously affects coke quality and subsequent utilization efficiency. Coke, as a solid product of high-temperature dry distillation, possesses a certain strength but is also highly brittle. Existing silo unloading structures are mostly of the direct-fall design. When coke falls from a silo height of 10-30 meters, the impact force due to gravity can reach 5-8 times its own weight. This impact force causes more than 30% of the coke to break into powder smaller than 10mm, significantly reducing its permeability and reactivity as fuel in blast furnace smelting. Crushed coke powder not only requires additional screening, increasing process costs, but also generates significant amounts of dust during transportation and storage, exacerbating equipment wear and environmental pollution. In small and medium-sized coking plants, although the drop height is reduced due to limited silo height design, the problem of coke directly impacting conveyor belts or transfer vehicles remains prominent. This loss not only reduces the economic value of coke but also negatively impacts energy conservation, emission reduction, and efficient resource utilization. Therefore, developing a protective device that can buffer the impact of falling coke and reduce breakage has become an urgent need for the coking industry to improve coke utilization. Utility Model Content

[0003] To overcome the above-mentioned defects, the embodiments of this disclosure provide a device for preventing coke from falling and breaking in coke silos, which solves the technical problem that the coke breaks due to excessive falling impact force, which seriously affects the quality of coke and the efficiency of subsequent use.

[0004] According to one aspect, at least one embodiment of this disclosure provides a device for preventing coke from falling and breaking in a coke silo, comprising: A vertical pipe and a top plate, wherein the top plate is fixed to the top of the vertical pipe and a feed inlet is provided on the surface of the top plate; The feeding assembly is disposed on the top plate; A buffer assembly disposed within the vertical pipe; The buffer assembly includes several rectangular openings, which are sequentially opened in a stepped manner on both sides of the vertical pipe. A fixing plate is welded and fixed inside the rectangular opening. A support plate is rotatably connected to the upper end of the side surface of the fixing plate via a pin. A buffer plate is rotatably connected to the surface of the support plate via a pin.

[0005] As a further technical solution, the bottom of the buffer plate is connected to the surface of the support plate with several buffer springs, the surface of the fixing plate is provided with an opening, and the outer surface of the fixing plate is provided with an outer frame.

[0006] As a further technical solution, a connecting block is provided at the bottom of the support plate, and a hydraulic telescopic cylinder is rotatably connected between the connecting block and the outer frame via a pin. The hydraulic telescopic cylinder is located inside the opening, and a discharge hopper is provided at the bottom of the vertical pipe.

[0007] As a further technical solution, the feeding assembly includes a top cover, which is fixed to the surface of the top plate. The top cover has an opening, and a cover plate is rotatably connected to the opening via a rotating shaft.

[0008] As a further technical solution, the rotating shaft of the cover plate is driven by electricity to rotate, and a feeding conveyor belt is installed on the surface of the top plate, with one end of the conveyor belt located above the rectangular opening.

[0009] As a further technical solution, a dust collection component is also included. The dust collection component includes several external pipes, which are respectively arranged on both sides of the vertical pipe. The external pipes are connected to the interior of the vertical pipe, and one end of each of the external pipes is connected to a suction pipe.

[0010] As a further technical solution, the bottom of the discharge hopper has a conical structure.

[0011] As a further technical solution, both the support plate and the buffer plate are tilted downwards at a certain angle.

[0012] The beneficial effects of the embodiments disclosed herein are as follows: In this disclosure, the buffer assembly solves the problem of coke breakage during falls through a multi-stage buffer design. The stepped buffer plates extend the descent path, buffer springs absorb impact kinetic energy, and hydraulic telescopic cylinders adjust the angle to accommodate different types of coke. Rotation of the buffer plates further dissipates force, reducing rigid collisions. This structure significantly reduces the coke breakage rate, maintains its integrity and performance, reduces screening processes, improves economic value, adapts to the buffering needs of silos of different heights, and ensures subsequent smelting efficiency. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0014] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure; Figure 2 This is an isometric drawing of the present disclosure; Figure 3 This is an isometric sectional view of the present disclosure; Figure 4 Appendix to this disclosure Figure 3 Enlarged view of part A in the middle; In the diagram: 1. Vertical pipe; 2. Top plate; 3. Buffer assembly; 3-1. Rectangular opening; 3-2. Fixing plate; 3-3. Support plate; 3-4. Buffer plate; 3-5. Buffer spring; 3-6. Through-hole; 3-7. External frame; 3-8. Connecting block; 3-9. Hydraulic telescopic cylinder; 3-10. Discharge hopper; 4. Feeding assembly; 4-1. Top cover; 4-2. Notch; 4-3. Cover plate; 4-4. Feeding conveyor belt; 5. Dust collection assembly; 5-1. External pipe; 5-2. Suction pipe. Detailed Implementation

[0015] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0016] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0017] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0018] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0019] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0020] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0021] like Figures 1-4 As shown, it illustrates a device for preventing coke from falling and breaking in a coke silo according to an embodiment of the present disclosure, comprising: A vertical pipe 1 and a top plate 2, wherein the top plate 2 is fixed to the top of the vertical pipe 1 and a feed inlet is provided on the surface of the top plate 2; Feeding assembly 4 is disposed on the top plate 2; Buffer assembly 3 is disposed inside the vertical pipe 1; The buffer assembly 3 includes several rectangular openings 3-1, which are steppedly opened on both sides of the vertical pipe 1. A fixing plate 3-2 is welded and fixed inside the rectangular opening 3-1. A support plate 3-3 is rotatably connected to the upper side surface of the fixing plate 3-2 via a pin. A buffer plate 3-4 is rotatably connected to the surface of the support plate 3-3 via a pin. Several buffer springs 3-5 are connected to the bottom of the buffer plate 3-4 and the surface of the support plate 3-3. An opening 3-6 is opened on the surface of the fixing plate 3-2. An outer frame 3-7 is provided on the outer surface of the fixing plate 3-2. A connecting block 3-8 is provided at the bottom of the support plate 3-3. A hydraulic telescopic cylinder 3-9 is rotatably connected between the connecting block 3-8 and the outer frame 3-7 via a pin. The hydraulic telescopic cylinder 3-9 is located inside the opening 3-6. A discharge hopper 3-10 is provided at the bottom of the vertical pipe 1.

[0022] In some examples, to mitigate the impact of falling coke and prevent breakage, a buffer assembly 3 is designed. This assembly includes several rectangular openings 3-1 arranged in a stepped pattern on both sides of the vertical pipe 1, staggered vertically to buffer the coke as it falls layer by layer. Fixed plates 3-2 within the rectangular openings 3-1 are welded and fixed, providing support for the buffer structure. Support plates 3-3 at the upper end of the side surface are rotatably connected by pins, allowing for adjustment of the tilt angle. Buffer plates 3-4 on the surface of support plates 3-3 are rotatable by pins, and several buffer springs 3-5 evenly distributed between the bottom of the support plates 3-3 and the support plates 3-3 absorb the kinetic energy of the coke impact. Openings 3-6 on the surface of the fixed plates 3-2 provide space for the hydraulic telescopic cylinder 3-9. An outer frame 3-7 is fixed to the outer surface of the fixed plates 3-2. The hydraulic telescopic cylinder 3-9, rotatably connected to the connecting block 3-8 at the bottom of the support plates 3-3 and the outer frame 3-7 by pins, can drive the support plates 3-3 to rotate and adjust the angle.

[0023] During operation, the hydraulic telescopic cylinder 3-9 extends and retracts, causing the support plate 3-3 to rotate, adjusting the tilt angle of the buffer plate 3-4 to accommodate coke of different sizes. The coke falls from above onto the upper buffer plate 3-4, where the buffer spring 3-5 deforms under pressure, converting some of the impact force into elastic potential energy. Simultaneously, the buffer plate 3-4 rotates with the pin, further dissipating the force. The initially buffered coke slides along the buffer plate 3-4 to the lower buffer structure, repeating the buffering process, and finally exits from the bottom discharge hopper 3-10. The stepped buffer structure extends the coke's falling path, dispersing the impact force. The synergistic effect of the buffer spring 3-5 and the rotatable buffer plate 3-4 achieves multi-stage elastic force dissipation, significantly reducing the impact intensity. The angle adjustment function of the hydraulic telescopic cylinder 3-9 adapts to different coke specifications, improving the device's versatility. The rigid connection between the fixed plate 3-2 and the outer frame 3-7 ensures the stability of the buffer structure, preventing displacement due to impact. This component, through its multi-stage buffer design, effectively protects the coke from damage during its descent, ensuring product quality.

[0024] like Figures 1-4 As shown in the figure, the feeding assembly 4 in this embodiment includes a top cover 4-1, which is fixed to the surface of the top plate 2. The top cover 4-1 has a notch 4-2 at the top. A cover plate 4-3 is rotatably connected to the notch 4-2 through a rotating shaft. The rotating shaft of the cover plate 4-3 is driven by electricity to rotate. A feeding conveyor belt 4-4 is installed on the surface of the top plate 2, and one end of the conveyor belt is located above the rectangular opening 3-1.

[0025] In some examples, to achieve stable feeding into the vertical pipe 1 and closed protection when idle, a top cover 4-1 on the surface of the top plate 2 is fixedly covered to the feed inlet. A notch 4-2 at the top provides installation space for the conveyor belt. A rotating shaft within the notch 4-2 is rotatably connected to the cover plate 4-3 via bearings and is driven by a motor to control the opening and closing of the top plate 2. The feed conveyor belt 4-4 mounted on the surface of the cover plate 4-3 is inclined, with one end positioned above the rectangular opening 3-1, allowing external coke to be transported into the vertical pipe 1.

[0026] During operation, when feeding is required, the motor drives the rotating shaft to rotate, causing the top plate 2 to open the opening 4-2. The feeding conveyor belt 4-4 starts, conveying the coke along the conveyor belt to the top, where it falls into the buffer component 3 inside the vertical pipe 1. When feeding is complete or the system is idle, the conveyor belt stops running, the motor drives the rotating shaft to rotate in the opposite direction, the top plate 2 closes the opening 4-2, and the top cover 4-1 is sealed to prevent external debris from entering or internal dust from leaking out. The rotating shaft-driven structure of the top plate 2 enables rapid opening and closing of the feeding port, making operation convenient. The inclined conveying of the feeding conveyor belt 4-4 ensures that the coke falls stably into the vertical pipe 1, avoiding spillage. The closed fit between the top cover 4-1 and the top plate 2 forms a sealed space, preventing rainwater and impurities from entering the silo and contaminating the coke, while also blocking the diffusion of internal dust. The motor-driven automated control reduces manual operation and improves feeding efficiency and safety. This component, through a combination of stable conveying and sealing protection, provides a clean and continuous feeding guarantee for the vertical pipe 1.

[0027] like Figures 1-4 As shown, this embodiment also includes a dust collection component 5, which includes a plurality of external pipes 5-1. The external pipes 5-1 are respectively arranged on both sides of the vertical pipe 1 and are connected to the interior of the vertical pipe 1. One end of each of the external pipes 5-1 is connected to a suction pipe 5-2.

[0028] In some examples, the dust collection component 5 achieves efficient dust removal within the vertical pipe 1 through a multi-point suction and centralized collection design, improving the working environment. Several external pipes 5-1 are evenly distributed on both sides of the vertical pipe 1, each connected to the inside of the pipe. The opening positions correspond to the dust-generating area of ​​the buffer component 3, accurately sucking away the dust generated during the coke's descent. One end of each of the external pipes 5-1 is connected to the suction pipe 5-2, which is connected to an external negative pressure device (such as a vacuum cleaner) to form an air extraction path.

[0029] During operation, the negative pressure equipment activates, generating negative pressure within the suction pipe 5-2 and the outer pipe 5-1. Dust generated during the coke's descent is drawn into the suction pipe 5-2 through the outer pipe 5-1 under this negative pressure and transported to external dust collection equipment for processing. This process is continuous, ensuring that the dust concentration within the vertical pipe 1 remains at a low level. The multi-point distribution of the outer pipe 5-1 covers the main dust-generating areas, improving the comprehensiveness of suction. The connection between the outer pipe 5-1 and the vertical pipe 1 enables close-range dust collection, reducing dust diffusion. The centralized collection in the suction pipe 5-2 simplifies pipeline layout and facilitates connection with the negative pressure equipment. Continuous negative pressure suction ensures timely dust removal, preventing accumulation and subsequent discharge with the coke, thus avoiding impacts on product quality. It also improves the operating environment and protects the health of workers. This component, through precise and efficient dust collection, ensures clean operation of the coke silo, combining environmental protection and practical value.

[0030] For example, such as Figure 2 As shown, the bottom of the discharge hopper 3-10 has a conical structure.

[0031] In some examples, the bottom of the discharge hopper 3-10 has a conical structure, which guides the coke processed by the buffer component 3 to converge towards the outlet. This structure utilizes gravity to allow the coke to fall naturally, avoiding accumulation and blockage within the discharge hopper 3-10 and ensuring smooth discharge. At the same time, the conical design reduces the outlet area, allowing control over the coke discharge speed, better coordination with subsequent conveying equipment, and improved overall plant operating efficiency.

[0032] For example, such as Figure 3 As shown, both the support plate 3-3 and the buffer plate 3-4 are tilted downwards at a certain angle.

[0033] In some examples, both the support plate 3-3 and the buffer plate 3-4 are tilted downwards at a certain angle to facilitate the coke sliding down the plate surface. The tilt angle allows the coke to move smoothly under its own weight, reducing its retention on the plate surface and preventing accumulation that could affect the buffering effect. At the same time, a reasonable tilt angle can be coordinated with the adjustment of the buffer spring 3-5 and the hydraulic telescopic cylinder 3-9 to ensure that the coke enters the next stage of the buffer structure in an orderly manner while mitigating the impact, thus achieving a continuous and stable buffering process.

[0034] In actual use: The motor drives the cover plate 4-3 to rotate and open the opening 4-2. The feeding conveyor belt 4-4 transports the coke to the vertical pipe 1. The hydraulic telescopic cylinder 3-9 of the buffer assembly 3 adjusts the angle of the support plate 3-3, so that the buffer plates 3-4 are distributed in a stepped manner. The coke falls onto the upper buffer plate 3-4, and the buffer spring 3-5 is compressed to buffer the impact. The buffer plate 3-4 rotates with the pin to relieve the force, and the coke slides down the plate surface to the lower buffer structure, repeating the buffering process. Finally, the coke is discharged through the bottom conical discharge hopper 3-10. The external pipe 5-1 of the dust collection assembly 5 sucks away the dust through the suction pipe 5-2, reducing the impact of the coke falling throughout the process, avoiding breakage, and ensuring clean transportation.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A coke fall breakage prevention device for a coke silo, characterized by, include: A vertical pipe (1) and a top plate (2), wherein the top plate (2) is fixed to the top of the vertical pipe (1), and a feed inlet is provided on the surface of the top plate (2); Feeding assembly (4), the feeding assembly (4) is disposed on the top plate (2); A buffer assembly (3) is disposed within the vertical pipe (1); The buffer assembly (3) includes several rectangular openings (3-1), which are sequentially opened in a stepped manner on both sides of the vertical pipe (1). A fixing plate (3-2) is welded and fixed inside the rectangular opening (3-1). A support plate (3-3) is rotatably connected to the upper end of the side surface of the fixing plate (3-2) via a pin. A buffer plate (3-4) is rotatably connected to the surface of the support plate (3-3) via a pin.

2. A coke fall breakage device for a coke silo as claimed in claim 1, wherein, The bottom of the buffer plate (3-4) is connected to the surface of the support plate (3-3) by a plurality of buffer springs (3-5), the surface of the fixing plate (3-2) is provided with an opening (3-6), and the outer surface of the fixing plate (3-2) is provided with an outer frame (3-7).

3. A coke fall break-up device for a coke silo as claimed in claim 2, wherein, The bottom of the support plate (3-3) is provided with a connecting block (3-8), and the connecting block (3-8) and the outer frame (3-7) are rotatably connected by a hydraulic telescopic cylinder (3-9) through a pin. The hydraulic telescopic cylinder (3-9) is located in the opening (3-6), and the bottom of the vertical pipe (1) is provided with a discharge hopper (3-10).

4. A coke fall break-up device for a coke silo as defined in claim 1, wherein The feeding assembly (4) includes a top cover (4-1), which is fixed to the surface of the top plate (2). The top cover (4-1) has a notch (4-2) at the top, and a cover plate (4-3) is rotatably connected to the notch (4-2) via a rotating shaft.

5. A coke fall break-up device for a coke silo as claimed in claim 4, wherein, The rotating shaft of the cover plate (4-3) is driven by electricity to rotate. A feeding conveyor belt (4-4) is installed on the surface of the top plate (2), and one end of the conveyor belt is located above the rectangular opening (3-1).

6. A coke fall break-up device for a coke silo as defined in claim 1, wherein It also includes a dust collection assembly (5), which includes several external pipes (5-1), which are respectively arranged on both sides of the vertical pipe (1). The external pipes (5-1) are connected to the interior of the vertical pipe (1), and one end of each of the external pipes (5-1) is connected to a suction pipe (5-2).

7. A coke fall break-up device for a coke silo as defined in claim 3, wherein The bottom of the discharge hopper (3-10) has a conical structure.

8. A coke fall break-up device for a coke silo as defined in claim 1, wherein Both the support plate (3-3) and the buffer plate (3-4) are tilted downwards at a certain angle.

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