Bridge pipe capable of changing sealing performance

Abstract

The utility model discloses a bridge pipe capable of changing sealing performance, which relates to the technical field of coke oven bridge pipes and comprises a first pipeline, a second pipeline is slidably arranged at the lower end of the first pipeline, a first flange is fixedly arranged on the periphery of the upper end of the second pipeline, a second flange is arranged at the upper end of the first flange, and the second flange is fixedly connected with the lower end of the first pipeline. After the first flange and the second flange are in butt joint, a cavity is formed in the side, close to the body, of the first flange and the second flange. Compared with an existing common bridge pipe, the bridge pipe capable of changing the sealing performance has the advantages that before pipelines are in butt joint, a proper sealing gasket material is firstly placed in the first flange, then the first flange and the second flange are aligned, and then the pipelines are in butt joint; when the first flange and the second flange are in butt joint, air in the cavity above the sealing padding can be exhausted through the air holes and the screw holes, in this way, resistance can be prevented from being generated when the pipelines are in butt joint, after butt joint is completed, the abutting bolts are tightened, the sealing padding is pressed through the pressing plate, and therefore the sealing performance of the device can be changed.

Description

Technical Field

[0001] The utility model relates to the technical field of coke oven bridge pipes, in particular to a bridge pipe with changed sealing performance. Background Art

[0002] The bridge pipe is the passage connecting the riser and the gas collecting pipe on the coke oven. In order to ensure the smooth discharge of the raw gas in the carbonization chamber, the bridge pipe must be kept unobstructed.

[0003] As for the application number 201720099120.0, a coke oven bridge pipe with a self-cleaning function includes a compressed air blowing mechanism, including a plurality of compressed air blowing nozzles, which are evenly arranged on the first annular tube and arranged in the bridge pipe port connected to the riser stand tee side, arranged along the circumference of the bridge pipe, and the compressed air blowing nozzle nozzles face the inner wall of the bridge pipe port side close to the riser stand tee side; the first annular tube is connected to the compressed air pipeline, and a solenoid valve is arranged on the compressed air pipeline; a high-pressure ammonia water blowing mechanism includes a plurality of high-pressure ammonia water nozzles, which are evenly arranged on the second annular tube and arranged in the bridge pipe, and the high-pressure ammonia water nozzle nozzles face away from the bridge pipe port, and the second annular tube is connected to the high-pressure ammonia water pipeline, and a solenoid valve is installed on the high-pressure ammonia water pipeline. The utility model is used for cleaning the carbon deposits and graphite on the inner tube wall of the coke oven bridge pipe and the tube wall of the riser tee at the connection, to ensure that there is no carbon deposit on the inner tube wall of the bridge pipe and keep the bridge pipe unobstructed. However, it is not convenient to change the sealing performance of the bridge pipe, and it is not convenient to reduce the temperature of the bridge pipe during use, thereby not being convenient to extend its service life.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a bridge pipe with improved sealing performance is proposed. Utility Model Content

[0005] The utility model aims to provide a bridge pipe with improved sealing performance to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bridge pipe for changing sealing performance, comprising a pipe one, a pipe two is slidably arranged at the lower end of the pipe one, and a flange one is fixedly arranged around the upper end of the pipe two, a flange two is arranged at the upper end of the flange one, and the flange two is fixedly connected to the lower end of the pipe one, after the flange one and the flange two are connected, there is a cavity on the side close to the main body, and a sealing gasket is slidably arranged at the cavity between the flange one and the flange two.

[0007] Preferably, a pressure plate is provided at the upper end of the sealing gasket, and the pressure plate is slidably connected to flange 2 and pipe 1 at the same time, and air holes are opened inside the pressure plate, and four air holes are evenly distributed around the center line of the pressure plate.

[0008] Preferably, a clamping bolt is rotatably provided at the upper end of the pressure plate, and the upper end of the clamping bolt is engaged with flange two, two clamping bolts are evenly distributed around the center of flange two, and an inner tube is provided inside the pipe one.

[0009] Preferably, a sliding rod is fixedly arranged between the inner tube and the pipe one, two sliding rods are evenly distributed around the center of the inner tube, and a threaded rod is arranged on one side of the sliding rod, and the threaded rod is also rotationally connected to the pipe one.

[0010] Preferably, the thread direction of the threaded rod is symmetrically arranged along the center line, a knob is slidably arranged on the upper end of the threaded rod, and the knob is located inside the upper end of the pipe one, and a through hole is opened in the pipe one at the knob.

[0011] Preferably, a water dividing plate is meshedly provided on the outer surface of the threaded rod, and the water dividing plate is slidably connected to the sliding rod, pipe one and the inner pipe at the same time. The water dividing plate is arranged in a horseshoe shape, and the number of the water dividing plates is always set to an odd number. The middle water dividing plate is only rotatably connected to the threaded rod, and an interface is fixedly provided on one side of the upper end of pipe one.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with pipeline 1, pipeline 2, flange 1, flange 2, sealing gasket, pressure plate, air hole and fastening bolts. Before the pipelines are butted, firstly, a suitable sealing gasket is placed inside flange 1, and then flange 1 and flange 2 are aligned and the pipelines are butted; when flange 1 and flange 2 are butted, the air in the cavity above the sealing gasket can be discharged through the air hole and the screw hole, so that resistance can be avoided when the pipelines are butted. After the butt joint is completed, the fastening bolts are tightened so that the sealing gasket is pressed through the pressure plate, so that the sealing performance of the device can be changed;

[0014] 2. The utility model arranges the inner tube, the sliding rod, the water dividing plate, the threaded rod, the knob and the interface. When the bridge pipe is in use, the external water pipe is connected to the interface and water is poured into the interior of the pipe. After the water enters the pipe, it is dispersed by the water dividing plate, which can control the temperature of the pipe wall and thus extend the service life of the bridge pipe. Before installation, the spacing of the water dividing plates can be changed by rotating the threaded rod. When the water in the pipe is heated and evaporates, it can be discharged through the knob, which can speed up or slow down the cooling speed, thereby further extending the service life and cooling effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the flange of the utility model;

[0017] Figure 3 This is a cross-sectional structural diagram of a pipeline of the utility model;

[0018] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0019] Figure 5 This is a schematic diagram of the structure of the water distribution component of the utility model.

[0020] In the figure: 1. Pipe 1; 2. Pipe 2; 3. Flange 1; 4. Flange 2; 5. Sealing gasket; 6. Pressure plate; 7. Air hole; 8. Tightening bolt; 9. Inner pipe; 10. Sliding rod; 11. Water distribution plate; 12. Threaded rod; 13. Knob; 14. Interface. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-Figure 2 As shown, a bridge pipe for changing sealing performance comprises a pipe 1, a pipe 2 slidably arranged at the lower end of the pipe 1, and a flange 1 3 is fixedly arranged around the upper end of the pipe 2 2, a flange 2 4 is arranged at the upper end of the flange 1 3, and the flange 2 4 is fixedly connected to the lower end of the pipe 1, after the flange 1 3 and the flange 2 4 are butt-jointed, there is a cavity on the side close to the main body, and a sealing gasket 5 is slidably arranged at the cavity of the flange 1 3 and the flange 2 4, before the pipes are butt-jointed, firstly, a suitable sealing gasket 5 is placed inside the flange 1 3, and then the flange 1 3 and the flange 2 4 are aligned and the pipes are butt-jointed; when the flange 1 3 and the flange 2 4 are butt-jointed, the air in the cavity above the sealing gasket 5 can be discharged through the air hole 7 and the screw hole, so that resistance can be avoided when the pipes are butt-jointed, and after the butt-jointing is completed, the tightening bolt 8 is tightened so that it presses the sealing gasket 5 through the pressing plate 6, so that the sealing performance of the device can be changed;

[0023] Furthermore, when the pressing plate 6 is pressed on the sealing gasket 5, it can be closely attached to the connection of the pipeline, thereby ensuring the sealing performance.

[0024] like Figure 3-Figure 5As shown, a pressure plate 6 is provided at the upper end of the sealing gasket 5, and the pressure plate 6 is slidably connected to the flange 2 4 and the pipe 1 at the same time, an air hole 7 is opened inside the pressure plate 6, and four air holes 7 are evenly distributed around the center line of the pressure plate 6, a tightening bolt 8 is rotatably provided on the upper end of the pressure plate 6, and the upper end of the tightening bolt 8 is meshed with the flange 2 4, and there are two tightening bolts 8 evenly distributed around the center of the flange 2 4, an inner tube 9 is provided inside the pipe 1, a sliding rod 10 is fixedly provided between the inner tube 9 and the pipe 1, and there are two sliding rods 10 evenly distributed around the center of the inner tube 9, and a threaded rod 12 is provided on one side of the sliding rod 10, the threaded rod 12 is rotatably connected to the pipe 1 at the same time, the thread direction of the threaded rod 12 is symmetrically arranged along the center line, a knob 13 is slidably provided on the upper end of the threaded rod 12, and the knob 13 is located inside the upper end of the pipe 1, and the pipe 1 is provided with a through hole at the knob 13 The outer surface of the threaded rod 12 is meshed with a water dividing plate 11, and the water dividing plate 11 is slidably connected to the sliding rod 10, the pipe 1 and the inner pipe 9 at the same time. The water dividing plate 11 is set in a horseshoe shape, and the number of the water dividing plates 11 is always set to an odd number. The middle water dividing plate 11 is only rotatably connected to the threaded rod 12. An interface 14 is fixedly set on one side of the upper end of the pipe 1. When the bridge pipe is in use, the external water pipe is connected to the interface 14 and water is poured into the pipe 1. When the water enters the pipe 1, it is dispersed by the water dividing plate 11, which can control the temperature of the pipe wall and thus extend the service life of the bridge pipe. Before installation, the spacing of the water dividing plates 11 can be changed by rotating the threaded rod 12. When the water in the pipe 1 evaporates after being heated, it can be discharged through the knob 13, thereby accelerating or slowing down the cooling speed, and further extending the service life and cooling effect of the device.

[0025] Furthermore, the knob 13 can be inserted when the threaded rod 12 is rotated, and then pulled out after the adjustment is completed, so that the water vapor can be discharged through the through hole at the knob 13 when the water evaporates.

[0026] Furthermore, the slide bar 10 is used to limit the range of motion of the water distribution plate 11 to prevent it from being stuck inside the pipe 1.

[0027] Working principle: When using the bridge pipe with changed sealing performance, first, before the pipes are butted, first put the appropriate sealing gasket 5 inside the flange 1 3, then align the flange 1 3 and the flange 2 4 and butt the pipes; when the flange 1 3 and the flange 2 4 are butted, the air in the cavity above the sealing gasket 5 can be discharged through the air hole 7 and the screw hole, so that resistance can be avoided when the pipes are butted. After the butt is completed, tighten the tightening bolt 8 so that it can press the sealing gasket 5 through the pressure plate 6, so that the sealing performance of the device can be changed; finally, when the bridge pipe is in use, connect the external water pipe to the interface 14 and pour water into the pipe 1 1. When the water enters the pipe 1 1, it is dispersed by the water distribution plate 11, so that the temperature of the pipe wall can be controlled, thereby extending the service life of the bridge pipe, and before installation, the spacing of the water distribution plate 11 can be changed by rotating the threaded rod 12, so that the cooling speed can be accelerated or slowed down, and the service life and cooling effect of the device can be further extended. This is the working principle of the bridge pipe with changed sealing performance.

Claims

1. A bridge pipe with changed sealing performance, comprising a pipe 1 (1), characterized in that: The lower end of the pipe one (1) is slidably provided with the pipe two (2), and the upper end of the pipe two (2) is fixedly provided with a flange one (3) around it, and the upper end of the flange one (3) is provided with a flange two (4), and the flange two (4) is fixedly connected to the lower end of the pipe one (1), and after the flange one (3) and the flange two (4) are butt-jointed, a cavity is provided on the side close to the main body, and a sealing gasket (5) is slidably provided at the cavity between the flange one (3) and the flange two (4).

2. A bridge pipe with changed sealing performance according to claim 1, characterized in that: A pressure plate (6) is provided at the upper end of the sealing gasket (5), and the pressure plate (6) is slidably connected to the flange 2 (4) and the pipe 1 (1) at the same time. An air hole (7) is opened inside the pressure plate (6), and four air holes (7) are evenly distributed around the center line of the pressure plate (6).

3. A bridge pipe with changed sealing performance according to claim 2, characterized in that: The upper end of the pressure plate (6) is rotatably provided with a clamping bolt (8), and the upper end of the clamping bolt (8) is engaged with the second flange (4). Two clamping bolts (8) are evenly distributed around the center of the second flange (4). An inner tube (9) is provided inside the first pipe (1).

4. A bridge pipe with changed sealing performance according to claim 3, characterized in that: A sliding rod (10) is fixedly arranged between the inner tube (9) and the pipeline one (1), and two sliding rods (10) are evenly distributed around the center of the inner tube (9), and a threaded rod (12) is arranged on one side of the sliding rod (10), and the threaded rod (12) is also rotationally connected to the pipeline one (1).

5. A bridge pipe with changed sealing performance according to claim 4, characterized in that: The thread direction of the threaded rod (12) is symmetrically arranged along the center line, and a knob (13) is slidably arranged on the upper end of the threaded rod (12), and the knob (13) is located inside the upper end of the pipe (1), and the pipe (1) is provided with a through hole at the knob (13).

6. A bridge pipe with changed sealing performance according to claim 5, characterized in that: The outer surface of the threaded rod (12) is meshed with a water dividing plate (11), and the water dividing plate (11) is slidably connected to the sliding rod (10), the pipe (1) and the inner pipe (9) at the same time. The water dividing plate (11) is arranged in a horseshoe shape, and the number of the water dividing plates (11) is always arranged in an odd number. The middle water dividing plate (11) is only rotatably connected to the threaded rod (12), and an interface (14) is fixedly arranged on one side of the upper end of the pipe (1).

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