Steam crosslinking room for power cable crosslinking

Abstract

The utility model belongs to the technical field of cable production, and particularly relates to a steam crosslinking room for power cable crosslinking, which comprises a room body, a steam mechanism, an air uniformizing mechanism and a spraying mechanism, the steam mechanism is arranged in the room body, the steam mechanism comprises a top plate, a bottom plate, a slope and a steam pipeline, four first I-beams are fixedly connected between the top plate and the bottom plate, and the steam pipeline is arranged in the room body. The top plate, the bottom plate and the four pieces of first I-shaped steel jointly form a rectangular box body, a plurality of air outlet holes are formed in the top plate, the three pieces of second I-shaped steel are fixed to the upper portion of the top plate, the slope is arranged on the front side of the bottom plate, and the steam pipeline is laid around the bottom plate and communicated with an inner cavity of the rectangular box body through a connecting pipe. A plurality of air guide pipes are connected to the upper portion of the steam pipeline, a plurality of air outlet barrels are arranged on the air guide pipes, and the air uniformizing mechanism and the spraying mechanism are both arranged on the top of the room body. The device can shorten the crosslinking time, increase the contact area between steam and the cable, and improve the crosslinking effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable production, and in particular relates to a steam cross-linking room for cross-linking power cables. Background Art

[0002] The working principle of the cable cross-linking room is mainly to cross-link the medium and low voltage cables under the action of high temperature steam by introducing high pressure water vapor. The so-called cross-linking is to transform the polymer insulation material from a linear molecular structure into a three-dimensional network structure, and from a thermoplastic material into a thermosetting insulation material, thereby improving the aging resistance, mechanical properties and environmental resistance of the insulation material. This technology is also called a cable steam room or steam cross-linking room. The cross-linking performance achieved under high temperature steam is better than self-linking and safer. The steam cross-linking room is mainly used for medium and low voltage cables. Through the high pressure steam engine equipped, the steam pressure can be adjusted freely in the range of 1-7kg, and the temperature can reach 170℃.

[0003] At present, most existing steam cross-linking rooms are only equipped with steam pipes and spray pipes, and most of the steam pipes and spray pipes are arranged at the top of the room. When in use, the steam slowly fills the entire room from top to bottom. Only when the steam contacts the cables at the bottom of the room can cross-linking occur, which invisibly increases the cross-linking time; in addition, the steam distribution in the room is uneven, which affects the cross-linking effect.

[0004] Therefore, improvements are urgently needed. Utility Model Content

[0005] In view of the above-mentioned defects existing in the prior art, the utility model provides a steam cross-linking chamber for power cable cross-linking, which includes a chamber body, a steam mechanism, an air distribution mechanism and a spraying mechanism. A door is arranged at the front end of the chamber body, and an exhaust port is arranged on the rear side wall of the chamber body; the steam mechanism is arranged on the ground inside the chamber body. The steam mechanism includes a top plate, a bottom plate, a slope and a steam pipe. The top plate and the bottom plate are arranged up and down. Four first I-beams are fixedly connected between the top plate and the bottom plate, and the four first I-beams are respectively located in the front, rear, left and right directions of the bottom plate. The top plate, the bottom plate and the four first I-beams together form a rectangular box body. A plurality of air outlet holes are opened on the top plate. The top plate is used for placing a cable reel. Three second I-beams for enclosing are fixedly installed above the top plate, and the three second I-beams are respectively located in the left, right and rear directions of the top plate. The slope is arranged on the front side of the bottom plate. The high end of the slope is fixedly connected to the first I-beam in front of the bottom plate, and the top of the high end of the slope is at the same height as the top plate. The slope is for facilitating the cable reel to roll onto the top plate. The steam pipe is laid around the bottom plate, and the steam pipe is connected to the inner cavity of the rectangular box body through a connecting pipe. A plurality of air guide pipes are vertically connected above the steam pipe, and a plurality of air outlet cylinders are arranged on the air guide pipes; both the air distribution mechanism and the spraying mechanism are arranged on the top of the chamber body. The air distribution mechanism is used for blowing the steam evenly, and the spraying mechanism is used for spraying the cable from above.

[0006] Optionally, a plurality of arc-shaped baffles are arranged on the top plate. The arc-shaped baffles are integrally strip-shaped, and the cross-section of the arc-shaped baffles is an arc convex upward and concave downward. A plurality of convex columns matching the air outlet holes of the top plate are fixedly connected to the bottom of the arc-shaped baffles.

[0007] Specifically, since the cable reel needs to be placed vertically during cross-linking and is prone to rolling, the convex columns of the arc-shaped baffle can be inserted into the air outlet holes of the top plate, and then the arc-shaped baffle is fixed on the top plate, so as to provide a limiting and fixing effect for the cable reel.

[0008] Optionally, the air distribution mechanism includes an air distribution fan. The air distribution fan includes a rotating shaft, a plurality of fan blades and a driving motor. The rotating shaft penetrates the top wall of the chamber body, and the rotating shaft is rotationally and sealingly connected with the top wall of the chamber body. The plurality of fan blades are evenly installed at the bottom end of the rotating shaft. The driving motor is fixedly arranged above the chamber body, and the output shaft of the driving motor is in transmission connection with the top end of the rotating shaft.

[0009] Optionally, the spraying mechanism includes a plurality of spraying pipes, and the plurality of spraying pipes are all laid along the top wall of the chamber body. Spraying heads are installed at the bottom of the spraying pipes.

[0010] Optionally, an observation window and a door handle are arranged on the door.

[0011] Optionally, an electric louver curtain is arranged at the exhaust port of the chamber body, and an exhaust fan is arranged outside the exhaust port.

[0012] Specifically, the exhaust fan facilitates exhaust.

[0013] Optionally, drain outlets are provided on both the ground inside the housing and the bottom plate.

[0014] Specifically, the drain outlets facilitate drainage.

[0015] Optionally, a heat exchanger and a steam generator are further provided outside the housing, and both the heat exchanger and the steam generator are located at the rear side of the housing. The heat exchanger is connected to the spray pipe through a water delivery pipe, and a booster pump is provided on the water delivery pipe. The steam generator is connected to the steam pipe through a gas delivery pipe.

[0016] The present utility model further includes other components that can enable a steam cross-linking chamber for cross-linking power cables to be used normally, which are all conventional technical means in the art. In addition, the devices or components not defined in the present utility model all adopt conventional technical means in the art, such as drive motors, exhaust fans, heat exchangers, and steam generators.

[0017] The working principle of the present utility model is as follows: First, move the cable reel to the top plate and place it in position, then install the arc-shaped baffle to limit and fix the bottom of the cable reel. After that, close the door, start the heat exchanger to supply hot water to the spray pipe, and the hot water is sprayed out through the spray heads and sprinkled on the cables. At the same time, start the steam generator to supply steam to the steam pipe. A part of the steam enters the rectangular box through the connecting pipe and is discharged from the air outlet holes on the top plate. This part of the steam contacts the cables from bottom to top and gradually fills the entire room. Another part of the steam is sprayed out from the air outlet cylinder through the air guide pipe and contacts the sides of the cables. In this way, the steam sprayed out from the bottom and sides of the cables can quickly contact the cables and can fully contact the surface of the cables, increasing the contact area. Then start the air distribution fan to blow and evenly distribute the steam to ensure uniform steam distribution in the room and improve the cross-linking effect. After using for a period of time, open the electric louver curtain and the exhaust fan to discharge the gas in the room, and the wastewater flows out through the drain outlets.

[0018] The beneficial effects of the present utility model are as follows: Through the steam generator, heat exchanger, steam mechanism, and spray mechanism, the effect of spraying from above and discharging steam from below can be achieved, enabling the steam to quickly contact the cables, shortening the cross-linking time, and the steam contacts the cables from below and the sides, increasing the contact area. In addition, the air distribution mechanism can blow and evenly distribute the steam to ensure uniform steam distribution in the room and improve the cross-linking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0021] Figure 2This is a schematic structural diagram of the steam mechanism of the present utility model.

[0022] Figure 3 This is a schematic structural diagram of the arc-shaped baffle of the present utility model.

[0023] Figure 4 This is a schematic external structural diagram of the housing of the present utility model.

[0024] In the figure: 1. Housing, 2. Steam mechanism, 3. Door, 4. Observation window, 5. Door handle, 6. Exhaust port, 7. Top plate, 8. Slope, 9. Steam pipeline, 10. First I-beam, 11. Second I-beam, 12. Arc-shaped baffle, 13. Convex column, 14. Connecting pipe, 15. Air duct, 16. Air outlet cylinder, 17. Air distributor, 18. Spraying pipeline, 19. Gas transmission pipeline. Detailed implementation manners

[0025] The present utility model will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present utility model and specific embodiments. The description here is only used to explain the present utility model, but not to limit the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present utility model.

[0026] Embodiment

[0027] As Figures 1-4As shown in the figure, an embodiment of the present utility model provides a steam cross-linking chamber for power cable cross-linking, which includes a chamber body 1, a steam mechanism 2, an air distribution mechanism and a spraying mechanism; a door 3 is provided at the front end of the chamber body 1, and an observation window 4 and a door handle 5 are provided on the door 3. An exhaust port 6 is provided on the rear side wall of the chamber body 1, and an electric louver curtain is provided at the exhaust port 6. An exhaust fan is provided outside the exhaust port 6, and the exhaust fan facilitates exhaust; the steam mechanism 2 is arranged on the ground inside the chamber body 1. The steam mechanism 2 includes a top plate 7, a bottom plate, a slope 8 and a steam pipe 9. The top plate 7 and the bottom plate are arranged up and down. Four first I-beams 10 are fixedly connected between the top plate 7 and the bottom plate, and the four first I-beams 10 are respectively located in the front, rear, left and right directions of the bottom plate. The top plate 7, the bottom plate and the four first I-beams 10 together form a rectangular box body. A plurality of air outlet holes are opened on the top plate 7, and the top plate 7 is used for placing a cable reel; three second I-beams 11 for enclosing are fixedly installed above the top plate 7, and the three second I-beams 11 are respectively located in the left, right and rear directions of the top plate 7; a plurality of arc-shaped baffles 12 are also arranged on the top plate 7. The arc-shaped baffles 12 are integrally strip-shaped, and the cross-section of the arc-shaped baffles 12 is arc-shaped with the upper part convex and the lower part concave. A plurality of convex columns 13 matching the air outlet holes of the top plate 7 are fixedly connected to the bottom of the arc-shaped baffles 12. Since the cable reel needs to be placed vertically during cross-linking and is prone to rolling, the convex columns 13 of the arc-shaped baffles 12 can be inserted into the air outlet holes of the top plate 7, and then the arc-shaped baffles 12 are fixed on the top plate 7, so as to provide a limiting and fixing effect for the cable reel; the slope 8 is arranged on the front side of the bottom plate. The high end of the slope 8 is fixedly connected to the first I-beam 10 in front of the bottom plate, and the top of the high end of the slope 8 is at the same height as the top plate 7. The slope 8 is for facilitating the cable reel to roll onto the top plate 7. The steam pipe 9 is laid around the bottom plate, and the steam pipe 9 is communicated with the inner cavity of the rectangular box body through a connecting pipe 14. A plurality of air guide pipes 15 are vertically connected above the steam pipe 9, and a plurality of air outlet cylinders 16 are arranged on the air guide pipes 15.

[0028] The air distribution mechanism and the spraying mechanism are both arranged on the top of the chamber body 1. The air distribution mechanism is used for blowing the steam evenly. The air distribution mechanism includes an air distribution fan 17. The air distribution fan 17 includes a rotating shaft, a plurality of fan blades and a driving motor. The rotating shaft penetrates the top wall of the chamber body 1, and the rotating shaft is rotationally and sealingly connected with the top wall of the chamber body 1. A plurality of fan blades are evenly installed at the bottom end of the rotating shaft. The driving motor is fixedly arranged above the chamber body 1, and the output shaft of the driving motor is in transmission connection with the top end of the rotating shaft.

[0029] The spraying mechanism is used for spraying the cable from above. The spraying mechanism includes a plurality of spraying pipes 18, and the plurality of spraying pipes 18 are all laid along the top wall of the chamber body 1. Spraying heads are installed at the bottom of the spraying pipes 18.

[0030] In addition, drain outlets are provided on the ground and the bottom plate inside the housing body 1, which facilitate drainage. A heat exchanger and a steam generator are also provided outside the housing body 1, and both the heat exchanger and the steam generator are located at the rear side of the housing body 1. The heat exchanger is connected to the spray pipe 18 through a water delivery pipe, and a booster pump is provided on the water delivery pipe. The steam generator is connected to the steam pipe 9 through a gas delivery pipe 19.

[0031] The working principle of the present utility model is as follows: First, move the cable reel to the top plate 7 and place it in position. Then, install the arc-shaped baffle 12 to limit and fix the bottom of the cable reel. After that, close the door 3, start the heat exchanger, and supply hot water to the spray pipe 18. The hot water is sprayed out through the spray heads and sprinkled on the cables. At the same time, start the steam generator and supply steam to the steam pipe 9. A part of the steam enters the rectangular box through the connecting pipe 14 and is discharged from the air outlet holes of the top plate 7. This part of the steam contacts the cables from bottom to top and gradually fills the entire room. Another part of the steam is sprayed out from the air outlet cylinder 16 through the air guide pipe 15 and contacts the sides of the cables. In this way, the steam sprayed out from the bottom and sides of the cables can quickly contact the cables and can fully contact the cable surface, increasing the contact area. Then, start the air homogenizing fan 17 to homogenize the steam and ensure uniform steam distribution in the room, improving the cross-linking effect. After using for a period of time, open the electric louver curtain and the exhaust fan to discharge the gas in the room, and the waste water flows out through the drain outlet.

[0032] The embodiments of the present utility model have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments.

Claims

1. A steam cross-linking chamber for cross-linking power cables, comprising a chamber body, a steam mechanism, an air homogenizing mechanism and a spraying mechanism, characterized in that: A door is provided at the front end of the housing body, and an exhaust port is provided on the rear side wall of the housing body; a steam mechanism is arranged on the ground inside the housing body. The steam mechanism includes a top plate, a bottom plate, a slope and a steam pipe. The top plate and the bottom plate are arranged vertically. Four first I-beams are fixedly connected between the top plate and the bottom plate, and the four first I-beams are respectively located in the front, rear, left and right directions of the bottom plate. The top plate, the bottom plate and the four first I-beams together form a rectangular box body. A plurality of air outlet holes are opened on the top plate. Three second I-beams are fixedly installed above the top plate, and the three second I-beams are respectively located in the left, right and rear directions of the top plate. The slope is arranged on the front side of the bottom plate, and the higher end of the slope is fixedly connected to the first I-beam in front of the bottom plate. The steam pipe is laid around the bottom plate, and the steam pipe is connected to the inner cavity of the rectangular box body through a connecting pipe. A plurality of air guide pipes are vertically connected above the steam pipe, and a plurality of air outlet cylinders are arranged on the air guide pipes; a uniform air mechanism and a spraying mechanism are both arranged on the top of the housing body. The uniform air mechanism is used to blow the steam evenly, and the spraying mechanism is used to spray the cables from above.

2. The steam crosslinking chamber for crosslinking power cables according to claim 1, wherein: A plurality of arc-shaped baffles are arranged on the top plate. The arc-shaped baffles are integrally strip-shaped, and the cross-section of the arc-shaped baffles is an arc convex upward and concave downward. A plurality of convex columns are fixedly connected to the bottom of the arc-shaped baffles.

3. The steam cross-linking chamber for cross-linking power cables according to claim 2, characterized in that: The uniform air mechanism includes a uniform air blower. The uniform air blower includes a rotating shaft, a plurality of fan blades and a driving motor. The rotating shaft penetrates through the top wall of the housing body, and the rotating shaft is rotationally and sealingly connected to the top wall of the housing body. The plurality of fan blades are evenly installed at the bottom end of the rotating shaft. The driving motor is fixedly arranged above the housing body, and the output shaft of the driving motor is in transmission connection with the top end of the rotating shaft.

4. The steam cross-linking chamber for cross-linking power cables according to claim 3, characterized in that: The spraying mechanism includes a plurality of spraying pipes, and the plurality of spraying pipes are all laid along the top wall of the housing body. Spraying heads are installed at the bottom of the spraying pipes.

5. The steam crosslinking chamber for crosslinking power cables according to claim 4, characterized in that: An observation window and a door handle are provided on the door.

6. The steam crosslinking chamber for crosslinking power cables according to claim 5, characterized in that: An electric louver curtain is provided at the exhaust port of the housing body, and an exhaust fan is provided outside the exhaust port.

7. The steam cross-linking chamber for cross-linking power cables according to claim 6, characterized in that: Drainage ports are provided on the ground inside the housing body and on the bottom plate.

8. The steam cross-linking chamber for cross-linking power cables according to claim 7, characterized in that: Claims of the housing body A heat exchanger and a steam generator are also provided outside, and both the heat exchanger and the steam generator are located at the rear side of the housing body. The heat exchanger is connected to the spraying pipe through a water conveying pipe, and a booster pump is arranged on the water conveying pipe. The steam generator is connected to the steam pipe through a gas conveying pipe.

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