Coke oven bridge pipe convenient for waste heat recovery

Abstract

The utility model relates to the technical field of coke ovens, in particular to a coke oven bridge pipe convenient for waste heat recovery. The coke oven bridge pipe convenient for waste heat recovery comprises a bridge pipe body, and the bridge pipe body is sleeved with a connecting assembly for supporting the bridge pipe body; the connecting assembly comprises two upper fixing semi-rings and two lower fixing semi-rings, the two upper fixing semi-rings and the two lower fixing semi-rings are symmetrically distributed, and the inner walls of the two upper fixing semi-rings abut against the outer wall of the axle tube body and are fixedly connected with the outer wall of the axle tube body through bolts and nuts. According to the coke oven bridge pipe convenient for waste heat recovery, provided by the utility model, when a sealing ring at the connecting part of the bridge pipe body and a coke oven needs to be replaced, the device can be flexibly jacked up to be separated from the coke oven, so that a worker can conveniently replace the sealing ring at the connecting part; and the whole device does not need to be completely disassembled and taken down for replacement operation, so that the operation steps and the replacement difficulty of workers can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of coke oven technology, and in particular to a coke oven bridge tube that facilitates waste heat recovery. Background Technology

[0002] During the coking process in a coke oven, the temperature of the raw coal gas inside the coke oven riser pipe reaches as high as 750℃, containing a large amount of sensible heat. The bridge pipe is mainly used to connect the coke oven riser pipe and the gas collecting pipe, and its core function is to efficiently and stably guide the raw coal gas generated in the coke oven carbonization chamber to the subsequent purification and treatment system. Currently, coke oven bridge pipes are mainly connected by flange butt joints and then bolted. However, due to the relatively high temperature of the raw coal gas, the sealing components at the connection points are prone to aging and damage during later use. To prevent leakage, the sealing rings of the coke oven bridge pipes need to be replaced.

[0003] Since the coke oven bridge pipe has no additional support structure, after unfastening the bolts connecting the flange, the entire coke oven bridge pipe needs to be disassembled and removed before the sealing ring can be replaced. This operation method increases the number of steps for workers and the difficulty of maintenance and replacement.

[0004] Therefore, it is necessary to provide a new coke oven bridge tube that facilitates waste heat recovery to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a coke oven bridge tube that facilitates waste heat recovery.

[0006] The coke oven bridge tube for easy waste heat recovery provided by this utility model includes: a bridge tube body, on which a connecting component for supporting the bridge tube body is sleeved;

[0007] The connecting assembly includes an upper fixed half ring and a lower fixed half ring. Two upper fixed half rings and two lower fixed half rings are provided and symmetrically distributed. The inner walls of the two upper fixed half rings abut against the outer wall of the bridge tube body and are fixedly connected by bolts and nuts.

[0008] The upper fixed half-ring is equipped with a slidingly connected guide rod, the bottom end of which is fixedly connected to the bottom of the lower fixed half-ring. On one side of the upper fixed half-ring, an adjusting rod is inserted with a threaded connection, and the bottom end of which is rotatably connected to the top of the corresponding lower fixed half-ring.

[0009] Preferably, a duct is fixedly installed on the side of the bridge tube body away from the connecting component, and a heat-conducting component is provided on the duct.

[0010] Preferably, the side wall of the air guide tube is provided with an installation groove, and a plurality of evenly distributed alignment rods are fixedly installed on the outer wall of the air guide tube.

[0011] Preferably, the heat-conducting component includes a support plate, the support plate having a plurality of evenly distributed alignment holes inside, the inner wall of the alignment holes abutting against the outer wall of the alignment rod, and the alignment rod being fixedly connected to the support plate by a nut.

[0012] Preferably, a liquid storage cylinder is fixedly installed on the support plate, a pressure relief pipe communicating with the inside of the liquid storage cylinder is fixedly installed on the top of the liquid storage cylinder, and a filling port communicating with the inside of the liquid storage cylinder is fixedly installed on the liquid storage cylinder.

[0013] Preferably, an impeller is rotatably connected to the upper part of the liquid storage tank, and a generator and a gearbox are fixedly installed on the outside of the liquid storage tank. The input end of the gearbox is fixedly connected to the output end of the impeller, and the output end of the gearbox is fixedly connected to the input end of the generator.

[0014] Preferably, an installation plate is inserted into the installation groove and fixedly connected by bolts. A heat-conducting pipe is inserted into the installation plate. The end of the heat-conducting pipe away from the installation plate extends into the interior of the liquid storage cylinder. A protective frame is fixedly installed on the outside of the heat-conducting pipe between the installation plate and the liquid storage cylinder by bolts.

[0015] Compared with related technologies, the coke oven bridge tube provided by this utility model, which facilitates waste heat recovery, has the following advantages:

[0016] Beneficial effects:

[0017] 1. By setting up the connecting components, this utility model allows the device to be flexibly lifted upwards to separate it from the coke oven when the sealing ring at the connection between the bridge tube body and the coke oven needs to be replaced. This makes it easier for workers to replace the sealing ring at the connection without having to completely disassemble the entire device for replacement, thus reducing the operation steps and replacement difficulty for workers.

[0018] 2. By setting up a heat-conducting component, this utility model can heat the water source inside the storage tank with the hot gas in the coke oven, and the steam generated by the boiling water source will be discharged outward through the pressure relief pipe. In this process, the discharged steam will drive the impeller to rotate, which in turn drives the generator to rotate, thereby realizing the auxiliary utilization of heat. Attached Figure Description

[0019] Figure 1 A schematic diagram of a preferred embodiment of the coke oven bridge tube for easy waste heat recovery provided by this utility model;

[0020] Figure 2 for Figure 1 The diagram shows the structural structure of the connecting components.

[0021] Figure 3 for Figure 1 The diagram shows the structural schematic of the bridge tube body.

[0022] Figure 4 for Figure 1 A partial cross-sectional structural diagram of the heat-conducting component is shown.

[0023] The following are the labeling elements in the diagram: 1. Bridge tube body; 11. Air guide pipe; 12. Mounting groove; 13. Alignment rod; 2. Connecting assembly; 21. Lower fixed half ring; 22. Upper fixed half ring; 23. Guide rod; 24. Adjusting rod; 3. Heat conduction assembly; 31. Support plate; 311. Alignment hole; 32. Liquid storage tank; 321. Pressure relief pipe; 322. Filling port; 33. Mounting plate; 331. Heat conduction pipe; 332. Protective frame; 34. Generator; 35. Impeller; 36. Gearbox. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0026] Please see Figures 1 to 4 The present invention provides a coke oven bridge tube that facilitates waste heat recovery. The coke oven bridge tube that facilitates waste heat recovery includes: a bridge tube body 1.

[0027] In the embodiments of this utility model, please refer to Figures 1 to 4 A connecting component 2 for supporting the bridge tube body 1 is fitted onto the bridge tube body 1. The connecting component 2 includes an upper fixed half ring 22 and a lower fixed half ring 21. There are two upper fixed half rings 22 and two lower fixed half rings 21, which are symmetrically distributed. The inner walls of the two upper fixed half rings 22 abut against the outer wall of the bridge tube body 1 and are fixedly connected by bolts and nuts. A sliding guide rod 23 is inserted inside the upper fixed half ring 22. The bottom end of the guide rod 23 is fixedly connected to the bottom of the lower fixed half ring 21. A threaded adjusting rod 24 is inserted inside one side of the upper fixed half ring 22, and the bottom end of the adjusting rod 24 is rotatably connected to the top of the corresponding lower fixed half ring 21.

[0028] It should be noted that, through the connection component 2, the bridge pipe body 1 in this device can be connected to the pipeline on the coke oven via the internal upper fixed half ring 22, lower fixed half ring 21, and adjusting rod 24. Later, when the sealing ring at the connection point is damaged and needs replacement, the bolts at the flanges of both parts can be loosened first. Then, the adjusting rod 24 can be rotated. The rotating adjusting rod 24 will rotate inside the upper fixed half ring 22 via the bolt structure. Since the adjusting rod 24 and the lower fixed half ring 21 are rotatably connected, the rotating adjusting rod 24 will drive the upper fixed half ring 22 to move vertically through the threaded structure, thereby lifting the device upwards and separating it from the coke oven. This allows for easy replacement of the sealing ring at the connection point without completely disassembling the entire device, thus reducing the operational steps and replacement difficulty for the workers.

[0029] In the embodiments of this utility model, please refer to Figures 1 to 4 A vent pipe 11, communicating with the interior of the bridge tube body 1, is fixedly installed on the side of the body away from the connecting component 2. A heat-conducting component 3 is provided on the vent pipe 11. An installation groove 12 is formed on the side wall of the vent pipe 11, and multiple evenly distributed alignment rods 13 are fixedly installed on the outer wall of the vent pipe 11. The heat-conducting component 3 includes a support plate 31, with multiple evenly distributed alignment holes 311 formed inside the support plate 31. The inner wall of the alignment holes 311 abuts against the outer wall of the alignment rods 13, and the alignment rods 13 are fixedly connected to the support plate 31 by nuts. A liquid storage cylinder 32 is fixedly installed on the support plate 31, and a pressure relief pipe 321 communicating with the interior of the liquid storage cylinder 32 is fixedly installed on its top. A filling port 322 communicating with the interior is fixedly installed on the upper part of the liquid storage tank 32. An impeller 35 is rotatably connected to the upper part of the liquid storage tank 32. A generator 34 and a gearbox 36 are fixedly installed on the outside of the liquid storage tank 32. The input end of the gearbox 36 is fixedly connected to the output end of the impeller 35, and the output end of the gearbox 36 is fixedly connected to the input end of the generator 34. A mounting plate 33 is inserted into the inside of the mounting groove 12 and fixedly connected by bolts. A heat conduction pipe 331 is inserted into the inside of the mounting plate 33. The end of the heat conduction pipe 331 away from the mounting plate 33 extends into the inside of the liquid storage tank 32. A protective frame 332 is fixedly installed on the outside of the heat conduction pipe 331 between the mounting plate 33 and the liquid storage tank 32 by bolts.

[0030] It should be noted that: with the setting of the heat conduction component 3, during use, when the hot gas in the coke oven flows through the bridge tube body 1 and the gas guide pipe 11, the high-temperature hot gas can heat the water inside the heat conduction pipe 331 and the water source inside the liquid storage tank 32 through contact with the heat conduction pipe 331. When the water source is continuously heated and boils, the steam generated will be discharged to the outside through the pressure relief pipe 321. In this process, the discharged steam will drive the impeller 35 to rotate, which can drive the generator 34 to rotate through the impeller 35, thereby realizing the auxiliary utilization of heat.

[0031] It should also be noted that the liquid storage tank 32 is equipped with a liquid level sensor. During subsequent use, the terminal controller can monitor the water level inside the liquid storage tank 32 through the liquid level sensor. When the liquid level inside the liquid storage tank 32 is lower than the set value, the staff can add water to the liquid storage tank 32 through the filling port 322 as soon as possible.

[0032] The working principle of the coke oven bridge tube for easy waste heat recovery provided by this utility model is as follows:

[0033] When using this device, the bridge tube body 1 can be installed on the coke oven docking pipe using bolts. Then, the two upper fixing half rings 22 in the connecting assembly 2 can be taken out and connected to the outer wall of the bridge tube body 1 and fixed with bolts and nuts. After the installation of the upper fixing half rings 22 is completed, the two lower fixing half rings 21 can be taken out and connected to the outer wall of the coke oven docking pipe. Then, the two lower fixing half rings 21 can be fixed with bolts and nuts. The installation of this device is thus completed.

[0034] After the installation of the device is completed, when the high-temperature raw coal gas generated during the operation of the coke oven flows inside the bridge tube body 1 and the gas guide pipe 11, the flowing high-temperature raw coal gas will heat the water source inside the heat conduction pipe 331 and the liquid storage tank 32 through contact with the heat conduction pipe 331. As the heat conduction pipe 331 continues to conduct heat and heat up, the water source inside the liquid storage tank 32 can be boiled. The steam generated by boiling will be discharged to the outside through the pressure relief pipe 321.

[0035] As steam is discharged through the pressure relief pipe 321, the flowing steam drives the impeller 35 by contacting it. At this time, the external gearbox 36 converts the rotational force of the impeller 35 into a driving force for the generator 34, thus enabling the generator 34 to generate electricity smoothly. Therefore, the heat utilization of high-temperature raw coal gas can be realized.

[0036] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0037] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A coke oven bridge pipe facilitating recovery of waste heat, characterized by, include: Bridge tube body (1), on which a connecting component (2) is sleeved to support the bridge tube body (1); The connecting assembly (2) includes an upper fixed half ring (22) and a lower fixed half ring (21). There are two upper fixed half rings (22) and two lower fixed half rings (21) that are symmetrically distributed. The inner walls of the two upper fixed half rings (22) abut against the outer wall of the bridge tube body (1) and are fixedly connected by bolts and nuts. The upper fixed half ring (22) is provided with a slidingly connected guide rod (23), the bottom end of which is fixedly connected to the bottom of the lower fixed half ring (21). The upper fixed half ring (22) is provided with a threadedly connected adjusting rod (24), and the bottom end of which is rotatably connected to the top of the corresponding lower fixed half ring (21).

2. The coke oven bridge pipe for facilitating waste heat recovery according to claim 1, characterized by, The bridge tube body (1) is fixedly installed on the side away from the connecting component (2) with an air guide pipe (11) communicating with its interior, and the air guide pipe (11) is provided with a heat conduction component (3).

3. The coke oven bridge pipe facilitating waste heat recovery according to claim 2, characterized in that, The air guide tube (11) has an installation groove (12) on its side wall, and a plurality of evenly distributed alignment rods (13) are fixedly installed on the outer wall of the air guide tube (11).

4. The coke oven bridge pipe facilitating waste heat recovery according to claim 3, characterized in that, The heat-conducting component (3) includes a support plate (31), and the support plate (31) has a plurality of evenly distributed alignment holes (311) inside. The inner wall of the alignment hole (311) abuts against the outer wall of the alignment rod (13), and the alignment rod (13) and the support plate (31) are fixedly connected by a nut.

5. The coke oven bridge pipe facilitating recovery of waste heat according to claim 4, characterized by, A liquid storage cylinder (32) is fixedly installed on the support plate (31). A pressure relief pipe (321) communicating with the inside of the liquid storage cylinder (32) is fixedly installed on the top of the liquid storage cylinder (32), and a filling port (322) communicating with the inside of the liquid storage cylinder (32) is fixedly installed on the liquid storage cylinder (32).

6. The coke oven bridge pipe for facilitating waste heat recovery according to claim 5, characterized by, An impeller (35) is rotatably connected to the inside of the liquid storage tank (32). A generator (34) and a gearbox (36) are fixedly installed on the outside of the liquid storage tank (32). The input end of the gearbox (36) is fixedly connected to the output end of the impeller (35), and the output end of the gearbox (36) is fixedly connected to the input end of the generator (34).

7. The coke oven bridge pipe facilitating recovery of waste heat according to claim 6, characterized by, An installation plate (33) is inserted into the mounting groove (12) and fixedly connected by bolts. A heat-conducting pipe (331) is inserted into the mounting plate (33). The end of the heat-conducting pipe (331) away from the mounting plate (33) extends into the interior of the liquid storage cylinder (32). A protective frame (332) is fixedly installed on the outside of the heat-conducting pipe (331) between the mounting plate (33) and the liquid storage cylinder (32) by bolts.

Images