A coal coking test coke oven system

Abstract

The utility model relates to coal chemical industry technical field discloses a kind of coke oven systems of coal coking test, including furnace body, the outer wall of furnace body is fixed with horizontal extension plate, the top of extension plate is fixed with standard square tube, and pressure block is slidably installed in standard square tube;The top of standard square tube is fixedly arranged feeding barrel, and feeding barrel is communicated with standard square tube;Pulverizing mechanism and screen are arranged in feeding barrel, and pulverizing mechanism is driven by motor fixed on feeding barrel, and screen is fixed in feeding barrel and located below pulverizing mechanism;Pressure block is transmission cooperation with pulverizing mechanism by linkage mechanism;One end of standard square tube is provided with discharge port, and cutting knife is slidably arranged at discharge port;Cutting knife blocks discharge port.The utility model's pulverizing mechanism and conduit are transmission cooperation by linkage mechanism, thereby reduce driving source, simple structure, reduce maintenance difficulty, simultaneously, just control motor's forward and reverse rotation can realize the pulverization of coal block and the compression of coal powder, reduce control difficulty;Above all, reduce test cost.

Description

Technical Field

[0001] This utility model relates to the field of coal chemical technology, and in particular to a coal coking test coke oven system. Background Technology

[0002] Coal coking, also known as high-temperature coal dry distillation, is a coal conversion process that uses coal as raw material and, under air-isolated conditions, heats it at high temperatures to cause complex physicochemical changes, ultimately producing coke. Simultaneously, it recovers coke oven gas, coal tar, and other chemical products. A small-scale experimental coke oven, based on the principle of similarity, uses a representative rectangular unit within the coke cake from the coking chamber of coking production as the research object. It simulates a series of parameters in the coking process, conducting experimental research on coking mechanisms, coke physicochemical properties, and other related reactivity indicators. This research aims to explore experimental patterns, summarize optimal raw material ratios, and guide on-site production with high-quality, low-consumption raw material formulations.

[0003] The coke oven reactivity testing device described in announcement number CN220305299U includes an experimental coke oven body. An extension plate is fixedly connected to the outer wall of the experimental coke oven body. A standard square tube is fixedly connected to the upper surface of the extension plate. A through hole is opened on the side wall of the standard square tube, and a guide tube is fixedly connected to the wall of the through hole. A connecting cover is fixedly connected to the inner end of the guide tube. A pressure plate is fixedly connected to the outer wall of the connecting cover. A plurality of air vents are opened on the outer wall of the pressure plate. A fixing block is fixedly connected to the bottom end of the guide tube. A first electric push rod is fixedly connected to the outer wall of the fixing block. The outer wall of the first electric push rod is fixedly connected to the lower surface of the extension plate. A through hole is opened at the top of the standard square tube, and a crushing mechanism is fixedly connected to the wall of the through hole. A cutting machine is fixedly connected to the outer wall of the standard square tube.

[0004] Based on the above technical features, the problem is that in the existing technology, the first electric push rod is needed to push the guide tube to slide back and forth, which increases the number of power sources for the entire device, thereby increasing the difficulty of maintenance and control, and the test cost is high.

[0005] Therefore, it is necessary to solve the above problems through a coal coking experimental coke oven system. Utility Model Content

[0006] The purpose of this invention is to provide a coal coking test coke oven system to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a coal coking experimental coke oven system, comprising a furnace body, a horizontal extension plate fixed to the outer wall of the furnace body, a standard square tube fixed to the top of the extension plate, and a pressure block slidably installed inside the standard square tube; a feeding bucket fixed to the top of the standard square tube, the feeding bucket communicating with the standard square tube; a crushing mechanism and a screen installed inside the feeding bucket, the crushing mechanism being driven by a motor fixed to the feeding bucket, the screen being fixed inside the feeding bucket and located below the crushing mechanism; the pressure block being driven by the crushing mechanism through a linkage mechanism; a discharge port being opened at one end of the standard square tube, and a cutting blade slidably installed at the discharge port; the cutting blade blocking the discharge port.

[0008] Preferably, a connecting cover is slidably disposed inside the standard square tube, the connecting cover being fixed and covering the end of the pressure block away from the cutting blade; a guide tube is fixedly disposed at the end of the connecting cover away from the pressure block, the end of the guide tube away from the connecting cover extending out of the standard square tube and slidingly engaging with the body of the standard square tube; a filter bag can be detachably installed at the opening of the guide tube away from the connecting cover; multiple air vents are opened on the pressure block, the guide tube and the multiple air vents are all connected to the connecting cover, and a filter screen is fixedly installed in each air vent; a linkage mechanism drives the connecting guide tube.

[0009] Preferably, the crushing mechanism includes a first rotating shaft, which is vertically downward and coaxially inserted into the feeding barrel, and the first rotating shaft is rotatably connected to the top of the feeding barrel; crushing blades are fixedly mounted on the shaft inside the feeding barrel.

[0010] Preferably, a second gear is fixedly sleeved on the output shaft of the motor, and a first gear is fixedly sleeved on the first rotating shaft; the first gear and the second gear mesh with each other.

[0011] Preferably, the linkage mechanism includes a second rotating shaft, a third rotating shaft, and a connecting rod; a mounting base is fixed on the outer wall of the feeding barrel, the second rotating shaft passes vertically downward through the mounting base and is rotatably connected to the mounting base; the bottom of the extension plate is slidably connected to the connecting rod, and the connecting rod is fixedly connected to the guide tube; the bottom of the extension plate is rotatably connected to the third rotating shaft, the second rotating shaft and the third rotating shaft are driven by a second transmission assembly, and the third rotating shaft and the connecting rod are driven by a third transmission assembly; the first rotating shaft and the second rotating shaft are driven by a first transmission assembly.

[0012] Preferably, the first transmission assembly includes a first pulley, a second pulley, and a first belt; the first pulley is fixedly sleeved on the first rotating shaft, and the second pulley is sleeved on the second rotating shaft; the first pulley and the second pulley are drivenly connected within the first belt.

[0013] Preferably, the second transmission assembly includes a third pulley, a fourth pulley, and a second belt; the third pulley is fixedly sleeved on the second rotating shaft, and the fourth pulley is fixedly sleeved on the third rotating shaft; the third pulley and the fourth pulley are drivenly sleeved inside the second belt.

[0014] Preferably, the third transmission component includes a third gear and a rack; the third gear is fixedly sleeved on the third rotating shaft, and the rack is fixedly connected to the connecting rod; the third gear and the rack mesh with each other.

[0015] Preferably, a horizontal sealing plate is fixed at the end of the connecting cover away from the pressure block. The end of the sealing plate away from the connecting cover extends out of the standard square tube and slides in cooperation with the body of the standard square tube. The top of the sealing plate slides in contact with the inner top wall of the standard square tube, and at the same time, the sealing plate slides to seal the connection between the feeding bucket and the standard square tube.

[0016] Preferably, an electric push rod is fixedly installed at the top of the standard square tube, the telescopic shaft of the electric push rod is vertically upward and fixedly connected to a push plate, and the push plate is fixedly connected to a cutting blade.

[0017] The technical effects and advantages of this utility model are as follows: The crushing mechanism and the guide tube of this utility model are driven by a linkage mechanism, which reduces the driving source, simplifies the structure, and reduces the maintenance difficulty. At the same time, the crushing of coal blocks and the pressing of coal powder can be achieved by controlling the forward and reverse rotation of the motor, which reduces the control difficulty; in summary, it reduces the test cost. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is an enlarged schematic diagram of point A of this utility model;

[0020] Figure 3 This is a partial three-dimensional schematic diagram of the present invention;

[0021] Figure 4 This is an enlarged schematic diagram of section B of the present invention;

[0022] Figure 5 This is a partial cross-sectional view of the present invention.

[0023] In the diagram: 1. Furnace body; 2. Extension plate; 3. Reinforcing rod; 4. Standard square tube; 5. Electric push rod; 6. Push plate; 7. Cutting blade; 8. Feeding bucket; 9. Feed pipe; 10. Motor; 11. First rotating shaft; 12. First gear; 13. Second gear; 14. First pulley; 15. First belt; 16. Second pulley; 17. Mounting base; 18. Second rotating shaft; 19. Third pulley; 20. Third rotating shaft; 21. Fourth pulley; 22. Third gear; 23. Slide groove; 24. Sliding block; 25. Connecting rod; 26. Guide tube; 27. Sealing plate; 28. Rack; 29. ​​Filter bag; 30. Connecting cover; 31. Press block; 32. Filter screen; 33. Second belt; 34. Screen; 35. Crushing blade; 36. Vent hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides, for example Figures 1 to 5 The diagram shows a coal coking test coke oven system, including a furnace body 1. A horizontal extension plate 2 is fixed to the outer wall of the furnace body 1, and an inclined reinforcing rod 3 is fixedly installed at the bottom of the extension plate 2. The end of the reinforcing rod 3 away from the furnace body 1 is inclined upward and fixedly connected to the end of the extension plate 2 away from the furnace body 1.

[0026] A horizontal standard square tube 4 is fixed to the top of the extension plate 2. A pressure block 31 and a connecting cover 30 are slidably installed inside the standard square tube 4. In this embodiment, the pressure block 31 is a square block that matches the inside of the standard square tube 4, that is, the pressure block 31 slides in contact with the inner wall of the standard square tube 4. At the same time, the connecting cover 30 is also a square cover that matches the inside of the standard square tube 4, that is, the outer wall of the connecting cover 30 slides in contact with the inner wall of the standard square tube 4.

[0027] A discharge port is opened at one end of the standard square tube 4, and a cutting blade 7 is slidably installed at the discharge port. The cutting blade 7 blocks the discharge port. An electric push rod 5 is fixedly installed at the top of the standard square tube 4. The telescopic shaft of the electric push rod 5 is vertically upward and fixedly connected to a push plate 6. The push plate 6 is fixedly connected to the cutting blade 7. In this embodiment, a U-shaped guide block is fixedly installed on the furnace body 1. The U-shaped guide block is sleeved on the push plate 6, and the push plate 6 and the arc-shaped guide block are in a limiting sliding fit. The U-shaped guide block is not shown in the figure. It is mainly used to ensure that the telescopic shaft of the electric push rod 5 is not subjected to radial force.

[0028] The connecting cover 30 is fixed and covers the end of the pressure block 31 away from the cutting blade 7. Multiple air holes 36 are opened in the pressure block 31. Each air hole 36 is connected to the connecting cover 30 and the interior of the standard square tube 4. At the same time, a filter screen 32 is fixedly installed in each air hole 36.

[0029] A conduit 26 is fixedly installed at the end of the connecting cover 30 away from the pressure block 31. The end of the conduit 26 away from the connecting cover 30 extends out of the standard square tube 4 and slides with the body of the standard square tube 4. The conduit 26 is parallel to the standard square tube 4 and communicates with the connecting cover 30. A filter bag 29 can be detachably installed at the opening of the conduit 26 away from the connecting cover 30. The installation method includes, but is not limited to, tying the opening of the filter bag 29 to the opening of the connecting cover 30 of the conduit 26 with a rope.

[0030] A feeding hopper 8 is fixedly installed on the top of the standard square cylinder 4, and the feeding hopper 8 is connected to the standard square cylinder 4. A feed pipe 9 is fixedly installed on the top of the feeding hopper 8, and the feed pipe 9 is connected to the feeding hopper 8. A crushing mechanism and a screen 34 are installed inside the feeding hopper 8. The crushing mechanism is driven by a motor 10 fixed on the feeding hopper 8. The screen 34 is fixedly connected to the feeding hopper 8 and is located below the crushing mechanism.

[0031] The crushing mechanism includes a first rotating shaft 11, which is vertically downward and coaxially inserted into the feeding barrel 8. The first rotating shaft 11 is rotatably connected to the top of the feeding barrel 8. Crushing blades 35 are fixedly mounted on the shaft inside the feeding barrel 8.

[0032] A second gear 13 is fixedly mounted on the output shaft of the motor 10, and a first gear 12 is fixedly mounted on the first rotating shaft 11. The first gear 12 meshes with the second gear 13.

[0033] The first rotating shaft 11 is driven by the guide tube 26 through a linkage mechanism, which includes a second rotating shaft 18, a third rotating shaft 20, and a connecting rod 25. A mounting base 17 is fixed on the outer wall of the feeding tank 8, and the second rotating shaft 18 passes vertically downward through the mounting base 17 and is rotatably connected to the mounting base 17.

[0034] The bottom of the extension plate 2 has a downward-facing groove 23 along the horizontal direction. A slider 24 is limited and slidably fitted inside the groove 23. The slider 24 is fixedly connected to the connecting rod 25. The connecting rod 25 is parallel to the guide tube 26, and a fixed rod is placed vertically between the connecting rod 25 and the guide tube 26. The fixed rod is fixedly connected to the guide tube 26 and the connecting rod 25.

[0035] The bottom of the extension plate 2 is rotatably connected to a vertically positioned third rotating shaft 20. The second rotating shaft 18 and the third rotating shaft 20 are driven together by a second transmission assembly. The third rotating shaft 20 and the connecting rod 25 are driven together by a third transmission assembly. The first rotating shaft 11 and the second rotating shaft 18 are driven together by a first transmission assembly.

[0036] The first transmission assembly includes a first pulley 14, a second pulley 16, and a first belt 15. The first pulley 14 is fixedly sleeved on the first rotating shaft 11, and the second pulley 16 is sleeved on the second rotating shaft 18. The first pulley 14 and the second pulley 16 are drivenly connected within the first belt 15.

[0037] The second transmission assembly includes a third pulley 19, a fourth pulley 21, and a second belt 33. The third pulley 19 is fixedly sleeved on the second rotating shaft 18, and the fourth pulley 21 is fixedly sleeved on the third rotating shaft 20. The third pulley 19 and the fourth pulley 21 are driven through the second belt 33.

[0038] The third transmission assembly includes a third gear 22 and a rack 28. The third gear 22 is fixedly mounted on the third rotating shaft 20, and the rack 28 is fixedly connected to the connecting rod 25. The third gear 22 and the rack 28 are meshed together.

[0039] A horizontal sealing plate 27 is fixed to the end of the connecting cover 30 away from the pressure block 31. The end of the sealing plate 27 away from the connecting cover 30 extends out of the standard square tube 4 and slides in engagement with the body of the standard square tube 4. The sealing plate 27 is parallel to the guide tube 26, and the top of the sealing plate 27 slides in contact with the inner top wall of the standard square tube 4. The sealing plate 27 is used to slide and seal the connection between the feeding bucket 8 and the standard square tube 4.

[0040] Working principle: During the coal coking test, coal lumps are first added to the feeding bucket 8 through the feed pipe 9. After feeding is complete, the motor 10 is turned on. The output shaft of the motor 10 drives the second gear 13 to rotate, and the second gear 13 drives the first gear 12 to rotate. The first gear 12 drives the first rotating shaft 11 to rotate, and the first rotating shaft 11 drives the crushing blade 35 to crush the coal lumps in the feeding bucket 8. The crushed coal powder falls into the standard square cylinder 4 through the screen 34. In the initial state, the connection between the feeding bucket 8 and the standard square cylinder 4 is located between the pressing block 31 and the cutting blade 7.

[0041] When the first shaft 11 rotates, it also drives the first pulley 14 to rotate. The first pulley 14 drives the second pulley 16 to rotate via the first belt 15, and the second pulley 16 drives the second shaft 18 to rotate. The second shaft 18 drives the third pulley 19 to rotate, and the third pulley 19 drives the fourth pulley 21 to rotate via the second belt 33. The fourth pulley 21 drives the third shaft 20 to rotate, and the third shaft 20 drives the third gear 22 to rotate. The third gear 22 pushes the rack 28 to slide closer to the furnace body 1, and the rack 28 drives the connecting rod 25 to slide closer to the furnace body 1.

[0042] At this time, the connecting rod 25 drives the guide tube 26 to slide closer to the cutting blade 7, and the guide tube 26 drives the connecting cover 30 to slide closer to the cutting blade 7. The connecting cover 30 drives the pressure block 31 and the sealing plate 27 to slide synchronously closer to the cutting blade 7.

[0043] As the sealing plate 27 slides, it gradually seals the connection between the feeding bucket 8 and the standard square tube 4. Once the connection between the feeding bucket 8 and the standard square tube 4 is completely sealed, no more coal powder will fall into the standard square tube 4.

[0044] As the pressing block 31 slides, it pushes the coal powder falling into the standard square cylinder 4 towards the cutting blade 7. When the coal powder comes into contact with the cutting blade 7, the pressing block 31 and the cutting blade 7 squeeze the coal powder, thereby pressing the coal powder into a block.

[0045] After the pressure block 31 stops sliding, the output shaft of the motor 10 reverses. This process can be controlled by a controller and a pressure sensor. Specifically, the pressure sensor is fixed to the end of the cutting blade 7 near the pressure block 31, and both the pressure sensor and the motor 10 are electrically connected to the controller. When the pressure sensor detects that the pressing force has reached the required value, it transmits a signal to the controller, which then controls the motor 10 to reverse. This process is existing technology and will not be described in detail.

[0046] When the output shaft of motor 10 reverses, the first rotating shaft 11 reverses and drives the crushing blade 35 to continue crushing the coal. At the same time, the pressing block 31 slides away from the cutting blade 7, and the sealing plate 27 slides away from the cutting blade 7. When the sealing plate 27 opens the connection between the feeding bucket 8 and the standard square cylinder 4, the coal powder falls back into the standard square cylinder 4.

[0047] When the connecting cover 30 comes into contact with the standard square tube 4, the output shaft of the motor 10 reverses again relative to the second rotation. At this time, the pressure block 31 pushes the coal powder falling into the standard square tube 4 towards the cutting blade 7 until the coal powder is squeezed. This cycle is repeated to produce the required coal blocks.

[0048] When a section of pressed coal needs to be cut, the telescopic shaft of the electric push rod 5 extends upward and drives the push plate 6 to slide upward. The push plate 6 drives the cutting blade 7 to slide upward and open the discharge port. When the discharge port is fully open, the motor 10 is started, and the pressing block 31 slides towards the discharge port. After the pressing block 31 contacts the coal block, it pushes the pressed coal block to slide out of the discharge port. After the pressed coal block slides out of the required length from the discharge port, the motor 10 is turned off, and at the same time, the telescopic shaft of the electric push rod 5 retracts downward and drives the push plate 6 to slide downward. The push plate 6 drives the cutting blade 7 to slide downward and cut the pressed coal block. Then, the cut section of pressed coal block can be placed into the furnace body 1 for testing.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A coal coking test coke oven system, comprising a furnace body (1), characterized in that: A horizontal extension plate (2) is fixed on the outer wall of the furnace body (1). A standard square tube (4) is fixed on the top of the extension plate (2). A pressure block (31) is slidably installed inside the standard square tube (4). A feeding bucket (8) is fixedly installed on the top of the standard square tube (4). The feeding bucket (8) is connected to the standard square tube (4). A crushing mechanism and a screen (34) are installed inside the feeding bucket (8). The crushing mechanism is driven by a motor (10) fixed on the feeding bucket (8). The screen (34) is fixed inside the feeding bucket (8) and located below the crushing mechanism. The pressure block (31) is driven by the crushing mechanism through a linkage mechanism. A discharge port is opened at one end of the standard square tube (4). A cutting blade (7) is slidably installed at the discharge port. The cutting blade (7) blocks the discharge port.

2. The experimental coke oven system for coal coking according to claim 1, characterized in that: A connecting cover (30) is slidably installed inside the standard square tube (4). The connecting cover (30) is fixed and covers the end of the pressure block (31) away from the cutting blade (7). A guide tube (26) is fixedly installed at the end of the connecting cover (30) away from the pressure block (31). The end of the guide tube (26) away from the connecting cover (30) passes through the standard square tube (4) and slides with the body of the standard square tube (4). A filter bag (29) can be detachably installed at the opening of the guide tube (26) away from the connecting cover (30). Multiple air holes (36) are opened on the pressure block (31). The guide tube (26) and the multiple air holes (36) are all connected to the connecting cover (30). A filter screen (32) is fixedly installed in each air hole (36). The linkage mechanism drives the connecting guide tube (26).

3. The experimental coke oven system for coal coking according to claim 2, characterized in that: The crushing mechanism includes a first rotating shaft (11), which is vertically downward and coaxially inserted into the feeding barrel (8). The first rotating shaft (11) is rotatably connected to the top barrel of the feeding barrel (8). Crushing blades (35) are fixedly installed on the shaft of the first rotating shaft (11) located inside the feeding barrel (8).

4. The experimental coke oven system for coal coking according to claim 3, characterized in that: A second gear (13) is fixedly sleeved on the output shaft of the motor (10), and a first gear (12) is fixedly sleeved on the first rotating shaft (11); the first gear (12) meshes with the second gear (13).

5. The coal coking test coke oven system according to claim 3, characterized in that: The linkage mechanism includes a second rotating shaft (18), a third rotating shaft (20), and a connecting rod (25); a mounting base (17) is fixed on the outer wall of the feeding barrel (8), the second rotating shaft (18) passes vertically downward through the mounting base (17) and is rotatably connected to the mounting base (17); the bottom of the extension plate (2) is slidably connected to the connecting rod (25), and the connecting rod (25) is fixedly connected to the guide tube (26); the bottom of the extension plate (2) is rotatably connected to the third rotating shaft (20), the second rotating shaft (18) and the third rotating shaft (20) are driven and cooperated through a second transmission assembly, and the third rotating shaft (20) and the connecting rod (25) are driven and cooperated through a third transmission assembly; the first rotating shaft (11) and the second rotating shaft (18) are driven and cooperated through a first transmission assembly.

6. The experimental coke oven system for coal coking according to claim 5, characterized in that: The first transmission assembly includes a first pulley (14), a second pulley (16), and a first belt (15); the first pulley (14) is fixedly sleeved on the first rotating shaft (11), and the second pulley (16) is sleeved on the second rotating shaft (18); the first pulley (14) and the second pulley (16) are drivenly sleeved in the first belt (15).

7. A coal coking test coke oven system according to claim 5, characterized in that: The second transmission assembly includes a third pulley (19), a fourth pulley (21), and a second belt (33); the third pulley (19) is fixedly sleeved on the second rotating shaft (18), and the fourth pulley (21) is fixedly sleeved on the third rotating shaft (20); the third pulley (19) and the fourth pulley (21) are driven through the second belt (33).

8. A coal coking test coke oven system according to claim 5, characterized in that: The third transmission assembly includes a third gear (22) and a rack (28); the third gear (22) is fixedly sleeved on the third rotating shaft (20), and the rack (28) is fixedly connected to the connecting rod (25); the third gear (22) and the rack (28) mesh with each other.

9. A coal coking test coke oven system according to claim 2, characterized in that: A horizontal sealing plate (27) is fixed at the end of the connecting cover (30) away from the pressure block (31). The end of the sealing plate (27) away from the connecting cover (30) extends out of the standard square tube (4) and slides with the body of the standard square tube (4). The top of the sealing plate (27) slides in contact with the inner wall of the top of the standard square tube (4), and at the same time, the sealing plate (27) slides to seal the connection between the feeding bucket (8) and the standard square tube (4).

10. A coal coking test coke oven system according to claim 1, characterized in that: An electric push rod (5) is fixedly installed on the top of the standard square tube (4). The telescopic shaft of the electric push rod (5) is vertically upward and fixedly connected to the push plate (6). The push plate (6) is fixedly connected to the cutting blade (7).

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