Heat preservation pipeline structure for long-distance heat supply

Abstract

The utility model discloses a heat preservation pipeline structure for long-distance heat supply. The heat preservation pipeline structure comprises a pipeline and a protection mechanism. The protection mechanism is installed at the joint of the pipelines, an insertion mechanism is arranged at the joint of the pipelines, the insertion mechanism is composed of an insertion head and an insertion groove, the insertion head and the insertion groove are installed at the two ends of the pipelines respectively, connecting flanges are installed at the two ends of the pipelines, and the connecting flanges are connected through bolts. The protection mechanism is composed of two protection sleeves, one ends of the protection sleeves are rotationally connected through a rotating shaft, an inner layer pipe is arranged on the inner side of the pipeline, an outer layer pipe is arranged on the outer side of the pipeline, and a heat insulation pipe is arranged between the inner layer pipe and the outer layer pipe. After the pipelines are assembled, the joints between the pipelines are protected through the protection mechanisms, the phenomena of corrosion and oxidation at the joints of the pipelines during use are avoided, and the phenomenon of leakage at the joints of the pipelines during use is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of heat-insulating pipes, in particular to a heat-insulating pipe structure used for long-distance heating. Background Art

[0002] Long-distance heating is a heating method that transports heat generated by a heat source to heat users through pipes over longer distances. Pipes are required in the heating process.

[0003] Chinese patent number CN201520342412.3 discloses a heating pipe. It includes a thermal insulation cotton layer, and a thermal insulation paste layer is provided on top of the thermal insulation cotton layer. Compared with the prior art, the advantages and positive effects of the utility model are that the utility model applies a thermal insulation paste layer on the outside of the traditional thermal insulation cotton, utilizes the sealing and heat-insulating properties of the thermal insulation paste, and perfectly combines it with the thermal insulation performance of the thermal insulation cotton. It not only reduces the surface temperature of the pipe and the heat body to an extremely low level, but also overcomes the shortcomings of the thermal insulation cotton such as cold bridges and air permeability, eliminates the heat convection heat dissipation of the pipe and the heat body, and greatly improves the thermal insulation effect. At the same time, it greatly extends the service life of the thermal insulation layer.

[0004] During the use of the existing technology, the pipe joints are prone to corrosion during long-term use, which may cause leakage in the pipes. Summary of the Invention

[0005] The purpose of the utility model is to provide a heat-insulating pipe structure for long-distance heating, so as to solve the problems raised in the prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an insulated pipe structure for long-distance heating, comprising a pipe and a protective mechanism; the protective mechanism is installed at the connection between the pipes, and a plug-in mechanism is provided at the connection between the pipes, and the plug-in mechanism consists of a plug and a slot, and the plug and the slot are respectively installed at both ends of the pipe, and connecting flanges are installed at both ends of the pipe, and the connecting flanges are connected by bolts, and the protective mechanism consists of two protective sleeves, and one end of the protective sleeves is rotatably connected by a rotating shaft, and the other side of the protective sleeves is provided with a mounting plate, and the mounting plates are connected by bolts, an inner layer pipe is provided on the inside of the pipe, an outer layer pipe is provided on the outside of the pipe, and an insulating pipe is provided between the inner layer pipe and the outer layer pipe.

[0007] Preferably, a wear-resistant layer is provided on the inner side of the inner tube, and the wear-resistant layer is provided as a wear-resistant coating layer.

[0008] Preferably, a ceramic protection tube is provided outside the outer tube, and the ceramic protection tube is attached to the outside of the outer tube.

[0009] Preferably, a rubber ring is provided on the inner side of the protective sleeve, and the rubber ring is adhered to the inner side of the protective sleeve by adhesive.

[0010] Preferably, a corrosion-resistant layer is provided on the outside of the protective sleeve, and the corrosion-resistant layer is configured as a chrome-plated layer.

[0011] Preferably, a soft metal pad is provided on the inner side of the connecting flange, and the soft metal pad is welded on the inner side of the connecting flange.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. After the pipelines are assembled, the joints between the pipelines are protected by protective mechanisms to avoid corrosion and oxidation at the pipeline joints during use, and to avoid leakage at the pipeline joints during use;

[0014] 2. The ceramic protective tube has strong hardness and corrosion resistance, which can reduce the wear and corrosion of the outer tube during use;

[0015] 3. The texture of the rubber ring is relatively soft. When the protective sleeve is installed, the rubber ring will be compressed and deformed, continuing to seal between the pipe and the protective sleeve, thereby increasing the protective effect of the protective sleeve;

[0016] 4. The texture of the soft metal gasket is relatively soft. When it is installed between the connecting flanges, the soft metal gasket will be compressed and deformed, filling the gap between the connecting flanges, making the connection between the pipes tighter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the pipeline side structure of the present utility model;

[0020] Figure 3 This is a schematic diagram of the protective mechanism structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the layered structure of the pipeline of the utility model.

[0022] In the figure: 1. Pipe; 2. Protective mechanism; 3. Protective sleeve; 4. Rotating shaft; 5. Mounting plate; 6. Rubber ring; 7. Corrosion-resistant layer; 8. Connecting mechanism; 9. Plug; 10. Slot; 11. Ceramic protective tube; 12. Outer tube; 13. Insulated tube; 14. Inner tube; 15. Wear-resistant layer; 16. Connecting flange; 17. Soft metal pad. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 In an embodiment of the present invention, an insulated pipe structure for long-distance heating includes a pipe 1 and a protective mechanism 2; the protective mechanism 2 is installed at the connection between the pipes 1, and a plug-in mechanism 8 is provided at the connection between the pipes 1. The plug-in mechanism 8 consists of a plug 9 and a slot 10. The plug 9 and the slot 10 are respectively installed at both ends of the pipe 1. Connecting flanges 16 are installed at both ends of the pipe 1. The connecting flanges 16 are connected by bolts. A soft metal pad 17 is provided on the inner side of the connecting flange 16. The soft metal pad 17 is welded to the inner side of the connecting flange 16. The texture of the soft metal pad 17 is relatively soft. When the connecting flanges 16 are installed, the soft metal pad 17 will be deformed under pressure to fill the gap between the connecting flanges 16, so that the connection between the pipes 1 will be tighter. The protective mechanism 2 consists of two protective sleeves 3, one end of the protective sleeves 3 is rotatably connected by a rotating shaft 4, the other side of the protective sleeves 3 is provided with a mounting plate 5, and the mounting plates 5 are connected by bolts. An inner layer tube 14 is provided on the inside of the pipeline 1, and an outer layer tube 12 is provided on the outside of the pipeline 1, and an insulation tube 13 is provided between the inner layer tube 14 and the outer layer tube 12.

[0025] A wear-resistant layer 15 is provided on the inside of the inner tube 14. The wear-resistant layer 15 is provided as a wear-resistant coating layer. The wear-resistant coating layer used in the wear-resistant layer 15 has strong wear resistance, which can reduce the wear of the inner tube 14 during use and extend the service life of the inner tube 14. A ceramic protective tube 11 is provided on the outside of the outer tube 12. The ceramic protective tube 11 is attached to the outside of the outer tube 12 and has strong hardness and corrosion resistance. It can reduce the wear and corrosion of the outer tube 12 during use.

[0026] A rubber ring 6 is provided on the inner side of the protective sleeve 3 and is adhered thereto with adhesive. The rubber ring 6 is relatively soft and, when the protective sleeve 3 is installed, will be deformed by pressure, thereby continuing to seal the pipe 1 and the protective sleeve 3 and enhancing the protective effect of the protective sleeve 3. A corrosion-resistant layer 7 is provided on the outer side of the protective sleeve 3. The corrosion-resistant layer 7 is a chrome-plated layer with strong corrosion resistance, which can reduce corrosion to the protective sleeve 3 during use and extend the service life of the protective sleeve 3.

[0027] The working principle and usage process of the present invention are as follows: when in use, the pipeline 1 is insulated by the insulation tube 13 to prevent the external temperature from affecting the temperature inside the pipeline 1. During installation, the connecting flanges 16 are installed by bolts to assemble the pipelines 1. After the pipelines 1 are assembled, the connection between the pipelines 1 is protected by the protection mechanism 2 to prevent corrosion and oxidation at the connection of the pipeline 1 during use, and to prevent leakage at the connection of the pipeline 1 during use.

[0028] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A heat-insulating pipe structure for long-distance heating, comprising a pipe (1) and a protective mechanism (2); characterized in that: The protection mechanism (2) is installed at the connection between the pipes (1). The connection between the pipes (1) is provided with a plug mechanism (8). The plug mechanism (8) is composed of a plug (9) and a slot (10). The plug (9) and the slot (10) are respectively installed at the two ends of the pipe (1). The two ends of the pipe (1) are provided with connecting flanges (16). The connecting flanges (16) are connected by bolts. The protection mechanism (2) is composed of two protection sleeves (3). One end of the protection sleeve (3) is rotatably connected by a rotating shaft (4). The other side of the protection sleeve (3) is provided with a mounting plate (5). The mounting plates (5) are connected by bolts. An inner layer pipe (14) is provided on the inner side of the pipe (1), an outer layer pipe (12) is provided on the outer side of the pipe (1), and an insulation pipe (13) is provided between the inner layer pipe (14) and the outer layer pipe (12).

2. The heat-insulating pipe structure for long-distance heating according to claim 1, characterized in that: A wear-resistant layer (15) is provided on the inner side of the inner tube (14), and the wear-resistant layer (15) is provided as a wear-resistant coating layer.

3. The heat-insulating pipe structure for long-distance heating according to claim 1, characterized in that: A ceramic protection tube (11) is provided on the outside of the outer tube (12), and the ceramic protection tube (11) is attached to the outside of the outer tube (12).

4. The heat-insulating pipe structure for long-distance heating according to claim 1, characterized in that: A rubber ring (6) is provided on the inner side of the protective sleeve (3), and the rubber ring (6) is adhered to the inner side of the protective sleeve (3) by adhesive.

5. The heat-insulating pipe structure for long-distance heating according to claim 1, characterized in that: A corrosion-resistant layer (7) is provided on the outside of the protective sleeve (3), and the corrosion-resistant layer (7) is configured as a chrome-plated layer.

6. The heat-insulating pipe structure for long-distance heating according to claim 1, characterized in that: A soft metal gasket (17) is provided at the inner side of the connecting flange (16), and the soft metal gasket (17) is welded to the inner side of the connecting flange (16).

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