Screening device for needle coke production
By introducing vibration and cleaning mechanisms into the screening device, the problem of screen clogging was solved, screening efficiency and effect were improved, and the service life of the device was extended.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-24
AI Technical Summary
In existing screening devices for needle coke production, needle coke particles tend to remain on the screening screen after prolonged use, leading to a decrease in screening efficiency and effectiveness.
A screening device including a vibration mechanism and a cleaning mechanism was designed. The cam driven by the motor drives the rotating shaft and the force block to achieve vibration of the screening frame. Combined with the cleaning brush, the screen surface is cleaned to remove the clogging needle-shaped coke particles.
It improves screening efficiency, ensures the stability and continuity of screening results, prevents screen clogging, and extends the service life of the equipment.
Smart Images

Figure CN224025637U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the needle coke production technical field, concretely relates to a kind of screening device for needle coke production. BACKGROUND
[0002] Needle coke is a high-quality variety of carbon materials, which is a porous solid with silver-gray and metallic luster. It has obvious flow texture, large and few pores, and slightly oval shape. Before calcination, needle coke needs to be screened.
[0003] Chinese patent authorized announcement No. CN217528151U provides a needle coke pre-calcination screening device. The patent includes a screening shell, a feed plate is connected to the top of the screening shell, a feed inlet is formed in the middle of the feed plate, and a base is provided at the bottom of the screening shell. A check cover is connected to the middle outer wall of the screening shell through a hinge. A rotary motor is fixedly connected to the base through bolts. The rotary motor is fixedly connected to the bottom of the rotary table through a coupling. A buffer table is provided at the top of the rotary table. Grooves are formed at equal intervals on the edge of the rotary table. A plurality of screening nets are inserted into the grooves. The upper end of the screening net is inserted into the upper turntable. The upper end of the screening net is provided with outwardly extending lugs.
[0004] However, in the above-mentioned patent, after long-term use, some volume of needle coke particles may be left inside the screening net. As the number of uses of the screening net increases, the amount of needle coke particles in the screening net will increase, which will affect the screening efficiency and effect of needle coke. Utility model content
[0005] The utility model aims at solving the shortcomings in the prior art and provides a screening device for needle coke production.
[0006] To achieve the above purpose, the utility model provides a screening device for needle coke production, which includes a box body and a mounting frame. A feed inlet is formed in the upper part of the box body. Support feet are fixedly connected to the lower part of the box body. A No. 1 screen and a No. 2 screen are fixedly connected to the inside of the mounting frame. A No. 1 discharge port and a No. 2 discharge port are formed in one side of the box body. The No. 1 discharge port is located above the No. 2 discharge port. A limiting rod is fixedly connected to one side of the mounting frame. The limiting rod and the box body are slidingly connected. A vibration mechanism is arranged on one side of the box body. A cleaning mechanism is arranged in the inside of the box body.
[0007] The vibration mechanism is used to vibrate the mounting frame.
[0008] The cleaning mechanism is used to clean the No. 1 screen and the No. 2 screen.
[0009] In the above technical scheme, further, the vibration mechanism comprises a fixed plate, the fixed plate and the box are in sliding connection, one side of the mounting frame is fixedly connected with a limiting rod, the limiting rod and the box are in sliding connection.
[0010] In the above technical scheme, further, the inner side of the fixed plate is fixedly connected with a spring, one end of the spring away from the fixed plate is fixedly connected with the outer part of the box, and the middle part of the one side of the fixed plate is fixedly connected with a stress block.
[0011] In the above technical scheme, further, one side of the box is rotatably connected with a rotating shaft and a cam, the outer part of the box is fixedly connected with a motor, and the output end of the motor is fixedly connected with the middle part of the cam.
[0012] In the above technical scheme, further, the cleaning mechanism comprises a wave groove and a mounting groove, the two wave grooves and the mounting groove are respectively arranged on the two sides of the mounting frame, and the wave groove and the mounting groove are in communication.
[0013] In the above technical scheme, further, the inner part of the mounting groove is slidably connected with a sliding plate, the lower part of the sliding plate is fixedly connected with an extension rod, and the lower part of the extension rod is fixedly connected with a cleaning brush.
[0014] In the above technical scheme, further, the two ends of the cleaning brush are respectively slidably connected with the wave grooves on the two sides of the inner part of the mounting frame, and the upper part of the sliding plate is fixedly connected with a handle.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] 1、in the utility model, when the output end of the motor starts, the cam is driven to rotate, the protruding part of the cam will continuously hit the lower part of the rotating shaft in the process of rotating, the upper part of the rotating shaft will push the stress block after being hit, the spring will be elastically deformed and contracted after being pushed by the rotating shaft, and the mounting frame will quickly move back and forth in the horizontal direction to achieve the purpose of vibration, so that the screening efficiency of the first screen and the second screen is accelerated.
[0017] 2、in the utility model, after screening is finished, the staff can open the box, pull the handle to make the sliding plate and the mounting frame slide relatively, the two ends of the cleaning brush will slide in the wave groove in this process, then the extension rod will continuously stretch and contract, so that the lower part of the cleaning brush continuously hits the surface of the first screen or the second screen, so as to clean the needle-shaped coke blocked in the mesh. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the first three-dimensional structure schematic view of the utility model;
[0019] Figure 2 It is the second three-dimensional structure schematic view of the utility model;
[0020] Figure 3 It is the internal structure schematic view of the box body in the utility model;
[0021] Figure 4 It is the connecting relation schematic view between the mounting frame and the fixed plate in the utility model;
[0022] Figure 5 It is the connecting relation schematic view between the cleaning brush and the mounting frame in the utility model;
[0023] Figure 6 It is Figure 2 The enlarged structure schematic view of A area in the utility model.
[0024] Mark explanation in the drawing:
[0025] In the drawing: 1, box body; 11, inlet; 12, first outlet; 13, second outlet; 14, support foot; 15, mounting frame; 16, first screen; 17, second screen; 18, limiting rod; 2, vibrating mechanism; 21, fixed plate; 22, spring; 23, force block; 24, rotating shaft; 25, cam; 26, motor; 3, cleaning mechanism; 31, wave groove; 32, sliding plate; 33, telescopic rod; 34, cleaning brush; 35, handle; 36, mounting groove. Specific implementation
[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described 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 the ordinary skill in the art without creative labor belong to the protection scope of the utility model.
[0027] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0028] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "installation", "setting", "sleeve / interface", "connection" and the like should be understood broadly, for example, "connection", which can be fixed connection, can also be detachable connection, or integral connection;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements.
[0029] Embodiment one
[0030] As Figure 1 - Figure 6 The utility model provides a kind of screening device for needle coke production, including box 1 and installation frame 15, the upper portion of box 1 is equipped with inlet 11, the lower portion of box 1 is fixedly connected with support leg 14, the inside of installation frame 15 is fixedly connected with No.
[0031] In the embodiment, when the output end of motor 26 starts, it will drive cam 25 to rotate, the protruding part of cam 25 will constantly hit the lower portion of rotating shaft 24 in the process of rotation, the upper portion of rotating shaft 24 will push force block 23 after being hit, spring 22 will be elastically deformed and shrink after being pushed by rotating shaft 24, installation frame 15 will quickly move reciprocatingly in horizontal direction to achieve the purpose of vibration, so as to speed up the screening efficiency of No.
[0032] Embodiment two
[0033] As Figure 1 - Figure 6The cleaning mechanism 3 includes a wave groove 31 and a mounting groove 36, the two wave grooves 31 and the mounting groove 36 are respectively arranged on the two sides of the mounting frame 15, the wave groove 31 and the mounting groove 36 are communicated, the inside of the mounting groove 36 is slidably connected with a sliding plate 32, the lower side of the sliding plate 32 is fixedly connected with an extension rod 33, the lower side of the extension rod 33 is fixedly connected with a cleaning brush 34, the two ends of the cleaning brush 34 are respectively slidably connected with the wave grooves 31 on the two sides of the inside of the mounting frame 15, the upper side of the sliding plate 32 is fixedly connected with a handle 35.
[0034] In the embodiment, after the screening is completed, the staff can open the box body 1, pull the handle 35 to make the sliding plate 32 and the mounting frame 15 relatively slide, in the process, the two ends of the cleaning brush 34 slide in the inside of the wave groove 31, then the extension rod 33 continuously extends and retracts, so that the lower side of the cleaning brush 34 continuously hits the surface of the first sieve screen 16 or the second sieve screen 17, thereby cleaning the needle coke blocked in the mesh.
[0035] Working principle: the staff can pour the needle coke raw materials into the inside of the box body 1 through the feeding port 11, then start the motor 26 to drive the first sieve screen 16 and the second sieve screen 17 to vibrate, in the process of vibration, the needle coke particles with large particles will slide along the slope of the first sieve screen 16 and finally be discharged from the first discharging port 12, the needle coke particles with small particles will pass through the mesh of the first sieve screen 16 and fall on the surface of the second sieve screen 17, and then slide along the slope of the second sieve screen 17 and be discharged from the second discharging port 13, after the screening is completed, the staff can open the box body 1, pull the handle 35 to make the sliding plate 32 and the mounting frame 15 relatively slide, in the process, the two ends of the cleaning brush 34 slide in the inside of the wave groove 31, then the extension rod 33 continuously extends and retracts, so that the lower side of the cleaning brush 34 continuously hits the surface of the first sieve screen 16 or the second sieve screen 17, thereby cleaning the needle coke blocked in the mesh.
[0036] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A screening device for needle coke production, comprising a housing (1) and a mounting frame (15), characterized in that: The box (1) has an inlet (11) at the top and a support foot (14) fixedly connected to the bottom. The mounting frame (15) has a first screen (16) and a second screen (17) fixedly connected inside. The box (1) has a first outlet (12) and a second outlet (13) on one side. The first outlet (12) is located above the second outlet (13). The mounting frame (15) has a limit rod (18) fixedly connected to one side. The limit rod (18) is slidably connected to the box (1). The box (1) has a vibration mechanism (2) on one side and a cleaning mechanism (3) inside. The vibration mechanism (2) is used to vibrate the mounting frame (15); The cleaning mechanism (3) is used to clean the No. 1 screen (16) and the No. 2 screen (17).
2. The screening device for needle coke production according to claim 1, characterized in that, The vibration mechanism (2) includes a fixed plate (21), which is slidably connected to the housing (1). A limit rod (18) is fixedly connected to one side of the mounting frame (15), and the limit rod (18) is slidably connected to the housing (1).
3. A screening device for needle coke production according to claim 2, characterized in that: A spring (22) is fixedly connected to the inner side of the fixing plate (21). The end of the spring (22) away from the fixing plate (21) is fixedly connected to the outside of the box (1). A force-bearing block (23) is fixedly connected to the middle of one side of the fixing plate (21).
4. A screening device for needle coke production according to claim 3, characterized in that: A rotating shaft (24) and a cam (25) are rotatably connected to one side of the housing (1), and a motor (26) is fixedly connected to the outside of the housing (1). The output end of the motor (26) is fixedly connected to the middle of the cam (25).
5. A screening device for needle coke production according to claim 1, characterized in that: The cleaning mechanism (3) includes a wave groove (31) and a mounting groove (36). The two wave grooves (31) and the mounting grooves (36) are respectively opened on two sides of the mounting frame (15), and the wave grooves (31) and the mounting grooves (36) are connected.
6. A screening device for needle coke production according to claim 5, characterized in that: A sliding plate (32) is slidably connected inside the mounting groove (36), and a telescopic rod (33) is fixedly connected below the sliding plate (32). A cleaning brush (34) is fixedly connected below the telescopic rod (33).
7. A screening device for needle coke production according to claim 6, characterized in that: The two ends of the cleaning brush (34) are slidably connected to the wave grooves (31) on both sides inside the mounting frame (15), and a handle (35) is fixedly connected to the top of the sliding plate (32).
Citation Information
Patent Citations
Precalcined needle coke screening device
CN217528151U