Closed drum rear screen of coke drum testing machine
Through the design of the rear screen of the closed coke drum tester, the environmental pollution caused by material splash and the low test results are solved, and efficient and accurate coke strength measurement is achieved.
Patent Information
- Application Number
- CN202421930348.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-10
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-10
AI Technical Summary
In the existing coke strength test, the material splashed from behind-the-blade screens lead to environmental pollution and low test results.
设计一种封闭式焦炭转鼓试验机鼓后筛,采用上盖滑入插槽封闭筛箱上开口,结合弹子锁固定,确保物料在筛箱内,避免迸溅,使用40mm和10mm筛孔的第一和第二筛网。
Effectively prevent material splashing, reduce environmental pollution, improve the accuracy and repeatability of test results, reduce dust inhalation by staff, and improve inspection efficiency.
Smart Images

Figure CN223056080U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of coke strength testing, and particularly relates to a post-drum sieve of a closed coke drum testing machine. Background Art
[0002] The post-drum sieve of the coke drum testing machine is used for the mechanical strength determination of metallurgical and foundry coke. The sieve frame is made of wood, which is an ideal equipment to replace hand sieving, reduce labor intensity and improve the stability of determination.
[0003] During the test, the material is sieved in the post-drum sieve, which will cause a large amount of dust, resulting in environmental pollution at the site and seriously affecting the occupational health of inspectors. Moreover, the feeding port of the existing post-drum sieve is large, and the swinging intensity of the post-drum sieve is large, which easily causes a large amount of splashing of the material sample, resulting in a low test result. Content of the Utility Model
[0004] The purpose of the utility model is to provide a post-drum sieve of a closed coke drum testing machine to solve the problems of environmental pollution and low test results caused by the splashing of materials from the post-drum sieve during the existing coke strength test. The technical solution adopted by the utility model is as follows:
[0005] A post-drum sieve of a closed coke drum testing machine includes an upper cover, a sieve box and a frame body. The sieve box is a hollow box body with an upper opening. A first sieve mesh and a second sieve mesh are arranged up and down in the sieve box. A cleaning port is provided on the front side wall of the sieve box. The cleaning port is located below the second sieve mesh. A plugging plate is hinged on the front side wall of the sieve box, and the plugging plate opens and closes the cleaning port;
[0006] The top of the frame body is rotatably provided with a main shaft, the sieve box is fixed on the main shaft, the frame body is provided with a motor and a speed reducer. The output shaft of the motor is connected to the input shaft of the speed reducer. One end of a rocker arm is connected to the output shaft of the speed reducer, and the other end of the rocker arm is hinged to the upper end of a connecting rod through a first pin shaft. The lower end of the connecting rod is hinged to the sieve box through a second pin shaft. The output shaft of the speed reducer, the first pin shaft, the second pin shaft and the main shaft are arranged in the same direction. The second pin shaft is located on one side of the main shaft in the radial direction. A slot with a front opening is provided on the upper edge of the sieve box. A spring lock is provided on the front side wall of the sieve box, and a lock hole is provided at the front end of the upper cover. When the upper cover slides into the slot, it closes the upper opening of the sieve box, and the lock tongue of the spring lock cooperates with the lock hole to lock the upper cover in the slot.
[0007] Further, the diameter of the sieve holes on the first sieve mesh is 40 mm.
[0008] Further, the diameter of the sieve holes on the second sieve mesh is 10 mm.
[0009] Further, a handle is provided on the upper cover.
[0010] Further, anti-deformation reinforcing angle steels are welded on the upper cover.
[0011] Furthermore, a grounding anchor is provided at the lower end of the frame body.
[0012] Furthermore, two bearing seats are provided on the frame body, and both ends of the main shaft are respectively and correspondingly fitted with the two bearing seats through bearings.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] Sliding the upper cover into the slot from the front side can seal the upper opening of the sieve box, ensuring that the test sample to be tested is sealed in the sieve box, avoiding the pollution of the on-site environment caused by the splashing of the material sample, reducing the amount of dust inhaled by the staff, and being able to avoid the low test results caused by the splashing of the material sample, with good repeatability and high inspection efficiency. After sample verification, the inspection data is accurate and reliable. Description of the Drawings
[0015] Figure 1 is the front view of the present utility model;
[0016] Figure 2 is Figure 1 the A-A cross-sectional view of
[0017] Figure 3 is the axonometric view of the sieve box;
[0018] Figure 4 is the top view of the upper cover.
[0019] In the figure, 1. frame body, 11. grounding anchor, 2. sieve box, 21. ball lock, 22. plugging plate, 23. main shaft, 24. first sieve mesh, 25. slot, 3. upper cover, 31. handle, 32. anti-deformation reinforcing angle steel, 33. lock hole, 4. reducer, 5. rocker arm, 51. first pin shaft, 6. connecting rod, 61. second pin shaft, 7. bearing seat. Detailed Embodiment
[0020] To make the purpose, technical solution and advantages of the present utility model clearer and more understandable, the present utility model will be described below through specific embodiments shown in the drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present utility model. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.
[0021] The connections mentioned in this utility model are divided into fixed connections and detachable connections. The fixed connections, that is, non-detachable connections, include but are not limited to conventional fixed connection methods such as hemming connection, rivet connection, bonding connection, and welding connection, etc. The detachable connections include but are not limited to conventional disassembly methods such as bolt connection, snap connection, pin connection, and hinge connection, etc. When the specific connection method is not clearly defined, it is defaulted that at least one connection method can be found among the existing connection methods to achieve this function, and those skilled in the art can select according to their needs. For example: for fixed connection, welding connection is selected; for detachable connection, bolt connection is selected.
[0022] The following will further elaborate on this utility model in conjunction with the accompanying drawings. The following embodiments are explanations of this utility model, and this utility model is not limited to the following embodiments.
[0023] Embodiment: As Figures 1 to 4 shown, a post-drum sieve of a closed coke drum testing machine includes an upper cover 3, a sieve box 2, and a frame body 1. The sieve box 2 is a hollow box body with an upper opening. A first sieve mesh 24 and a second sieve mesh are arranged up and down in the sieve box 2. A cleaning port is provided on the front side wall of the sieve box 2, and the cleaning port is located below the second sieve mesh. A sealing plate 22 is hinged on the front side wall of the sieve box 2, and the sealing plate 22 is connected to the sieve box 2 through a bolt pin. The sealing plate 22 opens and closes the cleaning port;
[0024] A main shaft 23 is rotatably arranged at the top of the frame body 1, the sieve box 2 is fixed on the main shaft 23, a motor and a speed reducer 4 are provided on the frame body 1. The output shaft of the motor is connected to the input shaft of the speed reducer 4. One end of a rocker arm 5 is connected to the output shaft of the speed reducer 4, and the other end of the rocker arm 5 is hinged to the upper end of a connecting rod 6 through a first pin shaft 51. The lower end of the connecting rod 6 is hinged to the sieve box 2 through a second pin shaft 61. The output shaft of the speed reducer 4, the first pin shaft 51, the second pin shaft 61, and the main shaft 23 are arranged in the same direction. The second pin shaft 61 is located on one side in the radial direction of the main shaft 23. A slot 25 with a front opening is provided on the upper edge of the sieve box 2. A spring lock 21 is provided on the front side wall of the sieve box 2. A lock hole 33 is provided at the front end of the upper cover 3. When the upper cover 3 slides into the slot 25, it closes the upper opening of the sieve box 2, and the lock tongue of the spring lock 21 cooperates with the lock hole 33 to lock the upper cover 3 in the slot 25.
[0025] Sliding the upper cover 3 into the slot 25 from the front side can close the upper opening of the sieve box 2, ensuring that the test sample to be tested is sealed in the sieve box 2, avoiding the pollution of the on-site environment caused by the splashing of the material sample, reducing the amount of dust inhaled by the staff, and being able to avoid the low test results caused by the splashing of the material sample. It has good repeatability and high inspection efficiency. After sample verification, the inspection data is accurate and reliable.
[0026] And locking the upper cover 3 in the slot 25 through the spring lock 21 can play a role in stably fixing the upper cover 3.
[0027] The diameter of the sieve holes on the first sieve 24 is 40 mm.
[0028] The diameter of the sieve holes on the second sieve is 10 mm.
[0029] The upper cover 3 is provided with a handle 31 to facilitate lifting the upper cover 3.
[0030] The anti-deformation reinforcing angle steel 32 is welded on the upper cover 3 to ensure the flatness of the upper cover 3.
[0031] The lower end of the frame body 1 is provided with grounding feet 11, which can be fixed to the ground through anchor bolts.
[0032] Two bearing seats 7 are provided on the frame body 1, and both ends of the main shaft 23 are respectively and correspondingly matched with the two bearing seats 7 through bearings.
[0033] The above embodiments are only exemplary descriptions of the present invention and do not limit its protection scope. Those skilled in the art can also make partial changes to it as long as they do not exceed the spiritual essence of the present invention, and they are all within the protection scope of the present invention.
Claims
1. A post-drum sieve for a closed coke drum testing machine, characterized in that: It includes an upper cover (3), a sieve box (2) and a frame body (1). The sieve box (2) is a hollow box body with an upper opening. A first sieve mesh (24) and a second sieve mesh are arranged up and down in the sieve box (2). A cleaning port is provided on the front side wall of the sieve box (2), and the cleaning port is located below the second sieve mesh. A plugging plate (22) is hinged on the front side wall of the sieve box (2), and the plugging plate (22) opens and closes the cleaning port; A main shaft (23) is rotatably arranged at the top of the frame body (1), and the sieve box (2) is fixed on the main shaft (23). A motor and a speed reducer (4) are provided on the frame body (1). The output shaft of the motor is connected to the input shaft of the speed reducer (4). One end of a rocker arm (5) is connected to the output shaft of the speed reducer (4). The other end of the rocker arm (5) is hinged to the upper end of a connecting rod (6) through a first pin shaft (51). The lower end of the connecting rod (6) is hinged to the sieve box (2) through a second pin shaft (61). The output shaft of the speed reducer (4), the first pin shaft (51), the second pin shaft (61) and the main shaft (23) are arranged in the same direction. The second pin shaft (61) is located on one side of the radial direction of the main shaft (23). A slot (25) with a front opening is provided on the upper edge of the sieve box (2). A ball lock (21) is provided on the front side wall of the sieve box (2). A lock hole (33) is provided at the front end of the upper cover (3). When the upper cover (3) slides into the slot (25), the upper opening of the sieve box (2) is closed, and the lock tongue of the ball lock (21) cooperates with the lock hole (33) to lock the upper cover (3) in the slot (25).
2. The drum rear sieve of a closed coke drum testing machine according to claim 1, characterized in that: The diameter of the sieve holes on the first sieve mesh (24) is 40 mm.
3. The drum rear sieve of a closed coke drum testing machine according to claim 2, characterized in that: The diameter of the sieve holes on the second sieve mesh is 10 mm.
4. The drum rear sieve of a closed coke drum testing machine according to claim 1, characterized in that: A handle (31) is provided on the upper cover (3).
5. A post-drum sieve of a closed coke drum testing machine according to claim 4, characterized in that: Anti-deformation reinforcing angle steels (32) are welded on the upper cover (3).
6. The drum rear sieve of a closed coke drum testing machine according to claim 1, characterized in that: Grounding feet (11) are provided at the lower end of the frame body (1).
7. A post-drum sieve of a closed coke drum testing machine according to any one of claims 1-6, characterized in that: Two bearing seats (7) are provided on the frame body (1), and both ends of the main shaft (23) are respectively and correspondingly fitted with the two bearing seats (7) through bearings.