Special cleaning device for coke oven bridge pipe

Abstract

The utility model belongs to the field of coke oven bridge pipe cleaning tools, and particularly relates to a special cleaning device for a coke oven bridge pipe, which comprises an extension bar, a mounting seat connected to the right end of the extension bar, a mounting block fixedly connected to the bottom of the mounting seat, a scraper hinged to the mounting block through a lower pin shaft, and blades arranged on the left side and the right side of the lower end of the scraper. A scraper driving mechanism is connected between the scraper and the mounting seat and is used for driving the scraper to rotate along the lower pin shaft. According to the cleaning device special for the coke oven bridge pipe, the scraper is driven to rotate through the scraper driving mechanism, switching between the shoveling function and the hooking function of the device can be achieved, turning around operation does not need to be conducted on the lengthening rod, and operation is easy, convenient, safe and reliable.

Description

Technical Field

[0001] The utility model relates to a special cleaning device for coke oven bridge pipes, belonging to the field of coke oven bridge pipe cleaning tools. Background Technique

[0002] The coke oven bridge pipe is a connecting component that connects the rising pipe of the coke oven and the collecting pipe. During the production process of the coke oven, a large amount of thick yellow coke oven gas containing hydrogen, methane, carbon monoxide, and tar is generated. These coke oven gases enter the bridge pipe through the rising pipe at the top of the furnace, and then are introduced into the collecting pipe through the bridge pipe, and then sent to the gas purification unit for product recovery and gas purification. Since the temperature of the coke oven gas is relatively high, generally reaching above 800 °C, or even over a thousand degrees, the coke oven gas needs to be cooled down before purification. Currently, the cooling of the coke oven gas is usually carried out by spraying and vaporizing ammonia water in the bridge pipe. During the rapid cooling process of the coke oven gas in the bridge pipe, some of the components mixed in it will precipitate and adhere to the inner side wall of the bridge pipe to form lumps. As the lumps continue to increase, the flow cross-sectional area of the coke oven gas will gradually decrease, which will lead to difficulties in exporting the coke oven gas and cause a large amount of smoke and fire in the furnace door and furnace frame. Therefore, it is necessary to regularly clean the lumps adhered to the inner side wall of the bridge pipe. In traditional technology, usually, workers hold a shovel with a lengthened rod to remove the lumps. When encountering lumps with a relatively tight adhesion at the shoveling end, they often cannot be removed, so the cleaning effect of the lumps is not good.

[0003] For this reason, the Chinese utility model patent with the authorization announcement number CN219194878U discloses a cleaning tool for a coke oven riser bridge pipe that combines a hook and a shovel. When cleaning the bridge pipe, it can first remove most of the lumps, and for the parts that are difficult to clean after shoveling, use the hook to hook them. However, since its cleaning components are located at both ends of the lengthened rod respectively, on the one hand, it is inconvenient to hold during the cleaning operation, and it is necessary to turn around during the function conversion operation, which is inconvenient to operate, thus affecting the lump cleaning efficiency; on the other hand, when replacing the hooking function after shoveling, since the shoveling component has been inside the bridge pipe, the temperature is relatively high, and it is easy to scald the operator during hooking, which has a certain safety hazard. Content of the Utility Model

[0004] According to the deficiencies in the above prior art, the technical problem to be solved by the present utility model is: to provide a special cleaning device for coke oven bridge pipes that is convenient and safe to operate.

[0005] The special cleaning device for coke oven bridge pipes described in the present utility model includes a lengthened rod. The right end of the lengthened rod is connected with a mounting seat. The bottom of the mounting seat is fixedly connected with a mounting block. A scraper is hinged to the mounting block through a lower pin shaft. Blades are provided on both the left and right sides of the lower end of the scraper. A scraper driving mechanism is connected between the scraper and the mounting seat. The scraper driving mechanism is used to drive the scraper to rotate along the lower pin shaft.

[0006] Furthermore, a heat insulation sleeve is connected to the outer side of the extension rod.

[0007] Furthermore, a plurality of anti-slip lines are provided on the outer side wall of the heat insulation sleeve.

[0008] Furthermore, the scraper driving mechanism includes a guiding hole provided on the mounting seat. A guide rod is slidably connected in the guiding hole. The right end of the guide rod extends out of the guiding hole and is hinged to the scraper through an upper pin shaft. A strip-shaped hole corresponding to and adapted to the upper pin shaft is provided on the scraper. The left end of the guide rod is connected with a guide rod driving component, and the guide rod driving component is used for driving the guide rod to reciprocate along the guiding hole.

[0009] Furthermore, the radial cross-sections of the guiding hole and the guide rod are both polygonal.

[0010] Furthermore, the guide rod driving component includes two bearings. A threaded hole is formed on the left end face of the guide rod. The extension rod is a hollow rod. The two bearings are respectively installed in the extension rod and the mounting seat. A screw rod is rotatably connected between the two bearings. The left end of the screw rod extends out of the extension rod and is connected with a knob. The right end of the screw rod is threadedly connected in the threaded hole.

[0011] The beneficial effects of the present utility model compared with the prior art are as follows:

[0012] For the special coke oven bridge pipe cleaning device of the present utility model, by driving the scraper to rotate through the scraper driving mechanism, the switching between the scraping function and the hooking function of the device can be realized, without the need to turn around the extension rod, and the operation is simple, convenient, safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the front view of the present utility model;

[0014] Figure 2 is the sectional view of the present utility model;

[0015] Figure 3 is the schematic diagram when the present utility model implements the scraping function;

[0016] Figure 4 is the schematic diagram when the present utility model implements the hooking function.

[0017] In the figure: 1, knob; 2, anti-slip line; 3, heat insulation sleeve; 4, extension rod; 5, mounting seat; 6, guide rod; 7, mounting block; 8, strip-shaped hole; 9, upper pin shaft; 10, lower pin shaft; 11, scraper; 12, cutting edge; 13, bearing; 14, guiding hole; 15, threaded hole; 16, screw rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following further describes the embodiments of the present utility model with reference to the drawings:

[0019] Example 1:

[0020] As Figure 1 、 Figure 2 shown, the special cleaning device for the coke oven bridge pipe of the present utility model includes an extension rod 4. The right end of the extension rod 4 is connected with a mounting seat 5. The bottom of the mounting seat 5 is fixedly connected with a mounting block 7. A scraper 11 is hinged to the mounting block 7 through a lower pin shaft 10. Knife edges 12 are arranged on both the left and right sides of the lower end of the scraper 11. A scraper driving mechanism is connected between the scraper 11 and the mounting seat 5. The scraper driving mechanism is used to drive the scraper 11 to rotate along the lower pin shaft 10.

[0021] During use, by controlling the action of the scraper driving mechanism, the scraper 11 is driven to rotate counterclockwise along the lower pin shaft 10, so that the lower end of the scraper 11 inclines to the right. As Figure 3 shown, at this time, the shoveling function of the device can be implemented. The operator holds the extension rod 4 to shovel the lumps in the bridge pipe. After most of the lumps are shoveled, control the scraper driving mechanism to act in the reverse direction, drive the scraper 11 to rotate clockwise along the lower pin shaft 10, so that the lower end of the scraper 11 inclines to the left. As Figure 4 shown, at this time, the hooking function of the device can be implemented. The operator holds the extension rod 4 to hook the remaining small amount of lumps in the bridge pipe.

[0022] For the special cleaning device for the coke oven bridge pipe of the present utility model, by driving the scraper 11 to rotate through the scraper driving mechanism, the switching between the shoveling function and the hooking function of the device can be realized, without the need to turn the extension rod 4 around. The operation is simple, convenient, safe and reliable.

[0023] Example 2:

[0024] As Figures 1 to 4 shown, on the basis of Example 1,

[0025] Furthermore, a heat insulation sleeve 3 is connected to the outside of the extension rod 4. The heat insulation sleeve 3 can play a safety protection role for the operator's hand;

[0026] Furthermore, a plurality of anti-slip lines 2 are arranged on the outer side wall of the heat insulation sleeve 3. The anti-slip lines 2 can increase the friction between the operator's hand and the extension rod 4, thereby improving the holding stability of the extension rod 4;

[0027] Furthermore, the scraper driving mechanism includes a guiding hole 14 provided on the mounting base 5. A guide rod 6 is slidably connected in the guiding hole 14. The right end of the guide rod 6 extends out of the guiding hole 14 and is hinged to the scraper 11 through an upper pin shaft 9. A strip-shaped hole 8 corresponding to and adapted to the upper pin shaft 9 is provided on the scraper 11. The left end of the guide rod 6 is connected with a guide rod driving assembly. The guide rod driving assembly is used to drive the guide rod 6 to reciprocate along the guiding hole 14. By the action of the guide rod driving assembly, driving the guide rod 6 to reciprocate along the guiding hole 14 can drive the scraper 11 to rotate reciprocally. The setting of the strip-shaped hole 8 enables the guide rod 6 and the scraper 11 to be adapted at different angles;

[0028] Furthermore, the radial cross-sections of the guiding hole 14 and the guide rod 6 are both polygons, preferably a quadrilateral and a hexagon, which can enable the guide rod 6 to only move axially in the guiding hole 14 and cannot rotate radially;

[0029] Furthermore, the guide rod driving assembly includes two bearings 13. A threaded hole 15 is provided on the left end face of the guide rod 6. The lengthening rod 4 is a hollow rod. The two bearings 13 are respectively installed in the lengthening rod 4 and the mounting base 5. A screw rod 16 is rotatably connected between the two bearings 13. The left end of the screw rod 16 extends out of the lengthening rod 4 and is connected with a knob 1. The right end of the screw rod 16 is threadedly connected in the threaded hole 15. By rotating the knob 1, driving the screw rod 16 to rotate, on the premise that the guide rod 6 cannot rotate radially, through the cooperation of the screw rod and the threaded hole 15, the axial movement of the guide rod 6 can be realized. The structure is simple and basically does not occupy the external space of the lengthening rod 4, which can effectively prevent interference between the exposed parts and the operator's arm during the cleaning operation and is convenient to operate.

[0030] It should be particularly noted that: in the description of the present invention, the orientation or positional relationship indicated by terms such as "left", "right", "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than requiring the present invention to be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

Claims

1. A special cleaning device for coke oven bridge pipes, characterized in that: It includes an extension rod (4). The right end of the extension rod (4) is connected with a mounting seat (5). The bottom of the mounting seat (5) is fixedly connected with a mounting block (7). A scraping knife (11) is hinged to the mounting block (7) through a lower pin shaft (10). Cutting edges (12) are arranged on both the left and right sides of the lower end of the scraping knife (11). A scraping knife driving mechanism is connected between the scraping knife (11) and the mounting seat (5). The scraping knife driving mechanism is used to drive the scraping knife (11) to rotate along the lower pin shaft (10).

2. The special cleaning device for coke oven bridge pipes according to claim 1, characterized in that: A heat insulation sleeve (3) is connected to the outside of the extension rod (4).

3. The dedicated coke oven bridge pipe cleaning device according to claim 2, wherein: A plurality of anti-slip lines (2) are arranged on the outer side wall of the heat insulation sleeve (3).

4. The special cleaning device for the coke oven bridge pipe according to any one of claims 1 to 3, characterized in that: The scraping knife driving mechanism includes a guiding hole (14) arranged on the mounting seat (5). A guide rod (6) is slidably connected in the guiding hole (14). The right end of the guide rod (6) extends out of the guiding hole (14) and is hinged to the scraping knife (11) through an upper pin shaft (9). A strip-shaped hole (8) corresponding and adapted to the upper pin shaft (9) is arranged on the scraping knife (11). The left end of the guide rod (6) is connected with a guide rod driving assembly. The guide rod driving assembly is used to drive the guide rod (6) to reciprocate along the guiding hole (14).

5. The special cleaning device for coke oven bridge pipes according to claim 4, characterized in that: The radial cross-sections of the guiding hole (14) and the guide rod (6) are both polygonal.

6. The special cleaning device for coke oven bridge pipes according to claim 5, characterized in that: The guide rod driving assembly includes two bearings (13). A threaded hole (15) is formed on the left end face of the guide rod (6). The extension rod (4) is a hollow rod. The two bearings (13) are respectively installed in the extension rod (4) and the mounting seat (5). A screw rod (16) is rotatably connected between the two bearings (13). The left end of the screw rod (16) extends out of the extension rod (4) and is connected with a knob (1). The right end of the screw rod (16) is threadedly connected in the threaded hole (15).

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