High-temperature-resistant canvas type flexible connection air pipe

Abstract

The utility model relates to the technical field of canvas air pipes, and discloses a high-temperature-resistant canvas type flexible connection air pipe which comprises a canvas pipe, the canvas pipe is divided into three layers, and a composite layer is arranged in the middle of the canvas pipe. According to the high-temperature-resistant canvas type flexible connection air pipe, the composite layer in the canvas pipe is woven and formed by adopting aramid fibers as raw materials, so that the canvas pipe has high heat resistance and stable thermal shrinkage and creep performance and is not prone to deformation after being heated, the waterproof performance of the canvas pipe is improved through the waterproof layer, the canvas pipe is prevented from being corroded by wet wind, and the service life of the canvas pipe is prolonged. Metal powder or graphite and the like are added in the manufacturing process of the canvas pipe through the heat conduction layer, and a heat conductor is added, so that the canvas pipe can transmit heat to the copper rod through the heat conduction layer through the design of the heat conduction layer and the copper rod, the copper rod makes contact with the outside to conduct out the heat in the canvas pipe, and the cooling effect and the high temperature resistance of the canvas pipe are improved; and spontaneous combustion cannot easily occur after long-term use in a high-temperature environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to canvas air pipe technical field especially relates to high temperature resistant canvas type flexible connection air pipe. BACKGROUND

[0002] Canvas air pipe is a flexible connecting component widely used in industrial ventilation and smoke exhaust system, which can effectively connect different equipment and pipelines, and at the same time absorb displacement and vibration caused by equipment operation or thermal expansion and contraction, and the high temperature resistance of canvas air pipe makes it particularly suitable for high temperature environment, such as metallurgy, chemical industry, cement industry and the like.

[0003] In the industrial ventilation system, due to the characteristics of the canvas material, the canvas air pipe needs to bear high temperature for a long time during long-term use, however, the canvas material itself does not have enough heat resistance, which leads to the fact that the internal material of the canvas is easily damaged in the high temperature environment, and with the passage of time, the continuous corrosion of high temperature on the internal material of the canvas will gradually weaken the structural integrity of the air pipe, which is easy to cause the air pipe to be damaged or self-ignited in high temperature, and further cause the problem of waste gas leakage, which not only pollutes the working environment, but also may bring serious safety hazards, threatening the health and safety of workers. SUMMARY

[0004] The technical problem to be solved by the utility model is that the canvas air pipe material in the prior art has the shortcomings of insufficient heat resistance, easy internal corrosion and damage in long-term high temperature use, and increased risk of pipeline damage and waste gas leakage, and therefore the high temperature resistant canvas type flexible connection air pipe is provided.

[0005] In order to achieve the above purpose, the following technical scheme is adopted in the present application: the high temperature resistant canvas type flexible connection air pipe comprises a canvas pipe, the canvas pipe is divided into three layers, a composite layer is arranged in the middle of the canvas pipe, a waterproof layer is arranged on the inner side of the canvas pipe, a heat conducting layer is arranged on the outer side of the canvas pipe, flange plates are fixedly connected to both ends of the canvas pipe, and a plurality of copper rods are fixedly connected to the surface of the canvas pipe.

[0006] Preferably, a plurality of extension blocks are fixedly connected to the surface of the canvas pipe, and a sleeve ring is connected inside the extension block.

[0007] Preferably, the opposite surfaces of the extension block are fixedly connected with zigzag plates, and the zigzag plates are made of aluminum alloy material.

[0008] Preferably, a plurality of heat conducting plates are connected inside the flange plate, and one end of the heat conducting plate is arranged on the outer side of the flange plate.

[0009] Preferably, one side of the flange plate is fixedly connected with two sealing pads made of polytetrafluoroethylene.

[0010] Preferably, the surface of the canvas pipe is brushed with heat-reflecting paint.

[0011] The technical effects and advantages of the present application are as follows:

[0012] In the present application, the composite layer inside the canvas pipe is woven into shape by using aramid as raw material, so that the canvas pipe has high heat resistance, stable heat shrinkage and creep performance, and is not easy to deform after being heated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of the present application;

[0014] Figure 2 It is an enlarged view of structure A in the present application; Figure 1

[0015] Figure 3 It is a vertical cross-sectional structural view of the present application;

[0016] Figure 4 It is an enlarged view of structure B in the present application. Figure 3

[0017] Legend: 1, canvas pipe; 2, composite layer; 3, waterproof layer; 4, heat-conducting layer; 5, flange plate; 6, copper rod; 7, extension block; 8, collar; 9, zigzag plate; 10, heat-conducting plate; 11, sealing pad. DETAILED DESCRIPTION

[0018] The present application will be further described in detail in combination with the drawings and preferred embodiments, and these drawings are all simplified schematic diagrams, which only schematically show the basic structure of the present application, so that only the structures related to the present application are shown.

[0019] Refer to Figure 1 - Figure 4 ​​As shown, the utility model provides a technical scheme: high temperature resistance canvas type flexible connection air pipe, including canvas pipe 1, canvas pipe 1 is divided into three layers, the middle part of canvas pipe 1 is provided with composite layer 2, the inside of canvas pipe 1 is provided with waterproof layer 3, the outside of canvas pipe 1 is provided with heat conducting layer 4, both ends of canvas pipe 1 are fixedly connected with flange plate 5, the surface of canvas pipe 1 is fixedly connected with a plurality of copper poles 6, by the composite layer 2 in the inside of canvas pipe 1 is woven into shape with aramid 1414 as raw material, make canvas pipe 1 have higher heat resistance, thermal shrinkage and creep performance is stable, and it is not easy to deform after heating, and through the increase waterproof layer 3 of canvas pipe 1, prevent the corrosion of humid wind to canvas pipe 1, by the addition of metal powder or graphite etc. in the manufacturing process of canvas pipe 1, increase the conductor of heat, make canvas pipe 1 pass through the design of heat conducting layer 4 and copper pole 6, can pass through heat conducting layer 4 and transmit heat to copper pole 6, make copper pole 6 and the outside contact and export the heat in the inside of canvas pipe 1, improve the cooling effect and high temperature resistance of canvas pipe 1, can be used in high temperature environment for a long time and not easy to spontaneous combustion.

[0020] Referring to Figure 1 With Figure 2 As shown in the embodiment: the surface of canvas pipe 1 is fixedly connected with a plurality of extension blocks 7, the inside of extension block 7 is connected with a thimble 8, the thimble 8 is arranged to support the extension block 7, so that the extension block 7 and the thimble 8 ensure that the canvas pipe 1 is in an expanded state, reinforcing the outside of the canvas pipe 1, effectively preventing the canvas pipe 1 from rolling and deforming, and the thimble 8 has high elasticity, which can rebound when subjected to pressure, ensuring the initial shape of the canvas pipe 1.

[0021] Referring to Figure 1 As shown in the embodiment: the opposite faces of the extension block 7 are fixedly connected with zigzag plates 9, the zigzag plates 9 are made of aluminum alloy material, the plasticity of the zigzag plates 9 made of aluminum alloy material allows the zigzag plates 9 to shape the canvas pipe 1 when it is bent, so that the canvas pipe 1 has a certain plasticity and can be used flexibly in different bending shapes without collapsing and rolling.

[0022] Referring to Figure 1 , Figure 2 With Figure 3 As shown in the embodiment: the inside of the flange plate 5 is connected with a plurality of heat conducting plates 10, one end of the heat conducting plate 10 is placed outside the flange plate 5, the heat conducting plate 10 is arranged to transmit the temperature generated by the high-temperature air flow in the inside of the flange plate 5, so that the heat is conducted to the outside through the heat conducting plate 10, and the heat is dissipated through the contact between the plurality of heat conducting plates 10 and the outside air, cooling the flange plate 5 and preventing the thermal expansion and contraction of the flange plate 5 from affecting the sealing effect when it is overheated.

[0023] Referring toFigure 1 As shown in Figure 2 In the embodiment, one side of the flange plate 5 is fixedly connected with two sealing pads 11 made of polytetrafluoroethylene. The sealing pads 11 are arranged between the flange plate 5 and the pipeline after the flange plate 5 is connected with the pipeline, so that the sealing property between the flange plate 5 and the pipeline is improved. In addition, the sealing pads 11 made of polytetrafluoroethylene have high heat resistance, are not easy to soften and absorb water and corrode in long-term high-temperature use, so that the service life of the sealing pads 11 is increased.

[0024] Referring to Figure 3 As shown in Figure 4 In the embodiment, the surface of the canvas pipe 1 is coated with heat-reflecting paint. When the canvas pipe 1 is normally used under sunlight, the surface of the canvas pipe 1 can reflect a certain amount of sunlight heat through the heat-reflecting paint, so that the heat transfer of the sunlight irradiated on the canvas pipe 1 is reduced, the natural aging of the canvas pipe 1 caused by external light is reduced, the canvas pipe 1 is used in a relatively normal temperature state, and the temperature rise of the air in the canvas pipe 1 when the canvas pipe 1 is irradiated is prevented.

[0025] Working principle: by the composite layer 2 inside the canvas pipe 1 using aramid 1414 as raw material for weaving into shape, so that the canvas pipe 1 has higher heat resistance, thermal shrinkage and creep performance is stable, not easy to heat deformation, and through the waterproof layer 3 increases the waterproof of canvas pipe 1, prevent the humid wind on the canvas pipe 1 caused by corrosion, through the heat conduction layer 4 in the manufacturing process of canvas pipe 1 adds metal powder or graphite, etc., increase the heat conductor, so that the canvas pipe 1 through the heat conduction layer 4 and copper rod 6 design, can pass through the heat conduction layer 4 to copper rod 6, so that the copper rod 6 and the outside contact the heat inside the canvas pipe 1 export, improve the cooling effect of canvas pipe 1 and high temperature resistance, can be used in high temperature environment for a long time not easy to spontaneous combustion, through the setting of the sleeve ring 8 for supporting the extension block 7, so that the extension block 7 and the sleeve ring 8 guarantee the canvas pipe 1 in the expansion state, reinforce the outside of the canvas pipe 1, effectively prevent the canvas pipe 1 inside the deformation, at the same time, the sleeve ring 8 has higher elasticity, can rebound when pressure, guarantee the initial form of canvas pipe 1, through the plasticity of the aluminum alloy material of the zigzag plate 9, so that the canvas pipe 1 can be shaped when bending zigzag plate 9, so that the canvas pipe 1 has certain plasticity, can be used flexibly to change the bending shape, not easy to collapse, through the setting of the heat conduction plate 10, the temperature generated by the high temperature air flow in the inside of the flange plate 5 is transmitted, so that the heat is conducted to the outside through the heat conduction plate 10, and then the heat conduction plate 10 is contacted with the outside air, so as to accelerate the heat dissipation of the inside of the flange plate 5, so as to cool the flange plate 5, prevent the flange plate 5 from being affected by thermal expansion and contraction when it is overheated, so as to prevent the sealing effect, through the setting of the sealing gasket 11, so that the flange plate 5 is connected with the pipeline, the sealing gasket 11 is arranged between the flange plate 5 and the pipeline, the sealing property between the flange plate 5 and the air pipe is improved, and the sealing gasket 11 is made of polytetrafluoroethylene material and has high heat resistance, so that it is not easy to soften and absorb water and corrode for a long time under high temperature, so as to increase the service life of the sealing gasket 11, through the heat reflecting paint on the surface of the canvas pipe 1, the surface of the canvas pipe 1 can reflect certain sunlight heat when it is normally used under sunlight, so as to reduce the heat transfer of the sunlight on the canvas pipe 1, reduce the natural aging of the canvas pipe 1 caused by external light, guarantee that the canvas pipe 1 is used in a relatively normal temperature state, and prevent the air in the canvas pipe 1 from being heated when the canvas pipe 1 is irradiated by light.

[0026] Finally, it should be pointed out that: the above only for the preferred embodiment of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A high temperature resistant, canvas type flexible duct, comprising a canvas tube (1), characterized in that: The canvas pipe (1) is divided into three layers, the middle of the canvas pipe (1) is provided with a composite layer (2), the inner side of the canvas pipe (1) is provided with a waterproof layer (3), the outer side of the canvas pipe (1) is provided with a heat conducting layer (4), both ends of the canvas pipe (1) are fixedly connected with flange plates (5), and the surface of the canvas pipe (1) is fixedly connected with a plurality of copper rods (6).

2. The high temperature resistant, canvas flexible duct of claim 1, wherein: The surface of the canvas pipe (1) is fixedly connected with a plurality of extension blocks (7), and the inside of the extension block (7) is connected with a thimble (8).

3. The high temperature resistant, canvas flexible duct of claim 2, wherein: The opposite surfaces of the extension block (7) are fixedly connected with zigzag plates (9), and the zigzag plates (9) are made of aluminum alloy.

4. The high temperature resistant, canvas flexible duct of claim 1, wherein: The inside of the flange plate (5) is connected with a plurality of heat conducting plates (10), and one end of the heat conducting plate (10) is arranged on the outside of the flange plate (5).

5. The high temperature resistant, canvas flexible duct of claim 1, wherein: One side of the flange plate (5) is fixedly connected with two sealing pads (11), and the sealing pads (11) are made of polytetrafluoroethylene.

6. The high temperature resistant, canvas flexible duct of claim 1, wherein: The surface of the canvas pipe (1) is coated with heat reflecting paint.

Images