High-temperature-resistant composite anti-corrosion thermal insulation pipe

Abstract

The utility model relates to the technical field of high-temperature resistance and corrosion resistance of thermal insulation pipes, in particular to a high-temperature-resistant composite corrosion-resistant thermal insulation pipe which comprises a main body mechanism, connecting mechanisms and a filling mechanism, the connecting mechanisms are fixedly arranged at the two ends of the main body mechanism, and the filling mechanism is fixedly arranged in the main body mechanism. The main body mechanism comprises a heat preservation pipe body, a connecting opening A, a connecting opening B, a connecting groove, a boss, a pipe cavity, a sealing ring, an outer sealing table and an inner sealing table, the connecting opening A is fixedly formed in one end of the heat preservation pipe body, and the connecting opening B is fixedly formed in the other end of the heat preservation pipe body. When the high-temperature-resistant composite anti-corrosion thermal insulation pipe is installed, the pipes are connected end to end through the connecting groove in the connecting opening A and the sealing ring on the connecting opening B, the connecting pipe wraps the connecting position, and the connecting pipe can be firmly fixed to the connecting position through the bolt and the fixing block; the device is firm at the joint and good in sealing performance, and the service life of the pipeline is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of high temperature resistant and anti-corrosion insulation pipes, in particular to a high temperature resistant composite anti-corrosion insulation pipe. Background Art

[0002] Insulated pipe is the abbreviation of insulated pipe. Insulated pipe is used for the transportation of liquid, gas and other media, and is used for thermal insulation of pipelines in petroleum, chemical industry, aerospace, hot spring, military, central heating, central air conditioning, municipal and other industries. Insulated pipe is suitable for conveying various media within the range of -50℃-150℃. It is widely used in the transportation of central heating, cooling and hot oil, and thermal insulation and cold preservation projects in warm rooms, cold storages, coal mines, petroleum, chemical and other industries. Among them, the application of high temperature resistant composite anti-corrosion insulation pipe is becoming more and more extensive.

[0003] A high temperature resistant composite anti-corrosion polyurethane insulation pipe is disclosed in the Chinese utility model patent application disclosure CN212839838U, including an insulation pipe body, the inner wall of the insulation pipe body is provided with an anti-corrosion cylinder, the inner wall of the anti-corrosion pipe is provided with a positioning inner pipe, the outer surface of the anti-corrosion pipe is fixedly connected with a temperature resistant cylinder, the inner wall of the positioning inner pipe is provided with a connection port, one end of the positioning inner pipe is provided with a convenient disassembly and assembly filtering connection mechanism, and the outer wall of the insulation pipe body is provided with an anti-skid buffer positioning pad mechanism. The high temperature resistant composite anti-corrosion polyurethane insulation pipe described in the utility model is provided with a convenient disassembly and assembly filtering connection mechanism and an anti-skid buffer positioning pad mechanism, which can facilitate better interface connection, has a good sealing effect, can filter at the same time, is simple and convenient, and can also facilitate better anti-skid positioning, increase the working stability of the device, is not prone to offset, and brings better use prospects, but the connection structure of the device is slightly complicated, and it is not convenient to install or disassemble. For this reason, we propose a high temperature resistant composite anti-corrosion polyurethane insulation pipe. Utility Model Content

[0004] The utility model aims to provide a high temperature resistant composite anticorrosive thermal insulation pipe to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-temperature resistant composite anti-corrosion thermal insulation pipe comprises a main body structure, a connecting structure and a filling structure. The connecting structure is fixedly arranged at both ends of the main body structure, and the filling structure is fixedly arranged inside the main body structure. The main body structure comprises an insulation pipe body, a connection A port, a connection B port, a connecting groove, a boss, a tube cavity, a sealing ring, an outer sealing platform and an inner sealing platform. The connection A port is fixedly arranged at one end of the insulation pipe body, and the connection B port is fixedly arranged at the other end of the insulation pipe body. The connecting groove is opened on the connection A port, the boss is fixedly arranged on the connection A port, the tube cavity is opened inside the insulation pipe body, the sealing ring is fixedly arranged on the connection B port, the outer sealing platform is fixedly arranged on the connection B port, and the inner sealing platform is fixedly arranged on the connection B port.

[0007] Preferably, the connecting mechanism comprises a connecting pipe, a sealing ring, a connecting cavity, a fixing block, a fixing hole and a bolt, and the sealing ring is fixedly arranged inside the connecting pipe.

[0008] With the above solution, the sealing ring is provided so that the pipeline connection is sealed more tightly.

[0009] Preferably, the connecting cavity is opened inside the connecting pipe, and the fixing block is fixedly arranged on the connecting pipe.

[0010] Through the above solution, the connecting pipes can be more firmly connected together by providing the fixing blocks.

[0011] Preferably, the fixing hole is opened on the fixing block, and the bolt is movably arranged on the fixing hole.

[0012] Through the above solution, the fixing blocks can be connected by setting bolts.

[0013] Preferably, the filling mechanism comprises an inner anti-corrosion layer, a high temperature resistant protective layer, a polyurethane foam plastic insulation layer, a filling layer, a structural support layer and an outer anti-corrosion layer, and the high temperature resistant protective layer is fixedly arranged on the inner anti-corrosion layer.

[0014] Through the above scheme, the pipeline can be resistant to high temperature by providing a high temperature resistant protective layer.

[0015] Preferably, the polyurethane foam plastic insulation layer is fixedly arranged on the high temperature resistant protective layer, and the filling layer is fixedly arranged on the polyurethane foam plastic insulation layer.

[0016] According to the above scheme, the pipe can be insulated by providing a polyurethane foam plastic insulation layer.

[0017] Preferably, the structural support layer is fixedly arranged on the filling layer, and the outer anti-corrosion layer is fixedly arranged on the structural support layer.

[0018] Through the above solution, the outer anti-corrosion layer is provided so that the pipeline can reduce external corrosion.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. This kind of high-temperature resistant composite anti-corrosion insulation pipe, when installed, the pipes are connected end to end by connecting the connecting groove on the A port and the sealing ring on the B port, the connection is wrapped by the connecting pipe, and the connecting pipe can be firmly fixed at the connection by bolts and fixing blocks. Through the above operations, the device is not only firm at the connection but also has good sealing performance, which increases the service life of the pipe.

[0021] 2. This kind of high-temperature resistant composite anti-corrosion thermal insulation pipe enables the pipeline to withstand a certain high temperature by arranging a high-temperature resistant protective layer, enables the device to be thermally insulated by arranging a polyurethane foam plastic insulation layer, and enables the device to have a certain anti-corrosion function by arranging an inner anti-corrosion layer and an outer anti-corrosion layer. The practicality of the device is improved through the above design. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the connection port B of the utility model;

[0024] Figure 3 It is a schematic diagram of the connection mechanism of the utility model;

[0025] Figure 4 It is a schematic diagram of the filling mechanism of the utility model;

[0026] Figure 5 For this utility model Figure 1 A magnified schematic diagram of center A.

[0027] In the figure: 1. main body; 101. insulation pipe body; 102. connection port A; 103. connection port B; 104. connection groove; 105. boss; 106. tube cavity; 107. sealing ring; 108. outer sealing platform; 109. inner sealing platform; 2. connection mechanism; 201. connection pipe; 202. sealing ring; 203. connection cavity; 204. fixing block; 205. fixing hole; 206. bolt; 3. filling mechanism; 301. inner anti-corrosion layer; 302. high temperature resistant protective layer; 303. polyurethane foam plastic insulation layer; 304. filling layer; 305. structural support layer; 306. outer anti-corrosion layer. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1 - Figure 5 As shown, a technical solution provided by the utility model:

[0030] A high-temperature resistant composite anti-corrosion thermal insulation pipe comprises a main body mechanism 1, a connecting mechanism 2 and a filling mechanism 3. The connecting mechanism 2 is fixedly arranged at both ends of the main body mechanism 1, and the filling mechanism 3 is fixedly arranged inside the main body mechanism 1. The main body mechanism 1 comprises an insulating pipe body 101, a connection A port 102, a connection B port 103, a connecting groove 104, a boss 105, a tube cavity 106, a sealing ring 107, an outer sealing platform 108 and an inner sealing platform 109. The connection A port 102 is fixedly arranged at one end of the insulating pipe body 101, the connection B port 103 is fixedly arranged at the other end of the insulating pipe body 101, the connecting groove 104 is arranged on the connection A port 102, the boss 105 is fixedly arranged on the connection A port 102, the tube cavity 106 is arranged inside the insulating pipe body 101, the sealing ring 107 is fixedly arranged on the connection B port 103, the outer sealing platform 108 is fixedly arranged on the connection B port 103, and the inner sealing platform 109 is fixedly arranged on the connection B port 103.

[0031] In this embodiment, preferably, the connecting mechanism 2 includes a connecting pipe 201 , a sealing ring 202 , a connecting cavity 203 , a fixing block 204 , a fixing hole 205 and a bolt 206 , and the sealing ring 202 is fixedly disposed inside the connecting pipe 201 .

[0032] With the above solution, the sealing ring 202 is provided so that the pipeline connection is sealed more tightly.

[0033] In this embodiment, preferably, the connecting cavity 203 is opened inside the connecting tube 201 , and the fixing block 204 is fixedly disposed on the connecting tube 201 .

[0034] Through the above solution, the connection pipes 201 can be more firmly connected together by providing the fixing block 204 .

[0035] In this embodiment, preferably, the fixing hole 205 is opened on the fixing block 204 , and the bolt 206 is movably disposed on the fixing hole 205 .

[0036] According to the above solution, the fixing blocks 204 can be connected by providing the bolts 206 .

[0037] In this embodiment, preferably, the filling mechanism 3 includes an inner anti-corrosion layer 301, a high temperature resistant protective layer 302, a polyurethane foam plastic insulation layer 303, a filling layer 304, a structural support layer 305 and an outer anti-corrosion layer 306, and the high temperature resistant protective layer 302 is fixedly arranged on the inner anti-corrosion layer 301.

[0038] Through the above solution, the high temperature resistant protective layer 302 is provided to make the pipeline resistant to high temperature.

[0039] In this embodiment, preferably, the polyurethane foam plastic insulation layer 303 is fixedly disposed on the high temperature resistant protective layer 302 , and the filling layer 304 is fixedly disposed on the polyurethane foam plastic insulation layer 303 .

[0040] According to the above solution, the pipe can be insulated by providing the polyurethane foam plastic insulation layer 303 .

[0041] In this embodiment, preferably, the structural support layer 305 is fixedly disposed on the filling layer 304 , and the outer anti-corrosion layer 306 is fixedly disposed on the structural support layer 305 .

[0042] Through the above solution, the outer anti-corrosion layer 306 is provided so that the pipeline can reduce external corrosion.

[0043] When installing a high-temperature resistant composite anti-corrosion thermal insulation pipe of the present embodiment, the pipes are connected end to end by connecting the connecting groove 104 on the connection A port 102 and the sealing ring 107 on the connection B port 103, and the connection is wrapped by the connecting pipe 201. The connecting pipe 201 can be firmly fixed at the connection by the bolts 206 and the fixing block 204. Through the above operations, the device is not only firm at the connection but also has good sealing performance, which improves the service life of the pipe. By providing a high-temperature resistant protective layer 302, the pipe can withstand a certain high temperature. By providing a polyurethane foam plastic insulation layer 303, the device can be insulated. By providing an inner anti-corrosion layer 301 and an outer anti-corrosion layer 306, the device can have a certain anti-corrosion function. The practicality of the device is improved by the above design.

[0044] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high temperature resistant composite anticorrosive thermal insulation pipe, comprising a main body mechanism (1), a connecting mechanism (2) and a filling mechanism (3), characterized in that: The connecting mechanism (2) is fixedly arranged at both ends of the main body mechanism (1), and the filling mechanism (3) is fixedly arranged inside the main body mechanism (1). The main body mechanism (1) comprises a heat-insulating pipe body (101), a connection A port (102), a connection B port (103), a connection groove (104), a boss (105), a tube cavity (106), a sealing ring (107), an outer sealing platform (108) and an inner sealing platform (109). The connection A port (102) is fixedly arranged at one end of the heat-insulating pipe body (101), and the connection B port (103) is fixedly arranged at one end of the heat-insulating pipe body (101). The port (103) is fixedly arranged on the other end of the insulation pipe body (101), the connection groove (104) is opened on the connection A port (102), the boss (105) is fixedly arranged on the connection A port (102), the tube cavity (106) is opened inside the insulation pipe body (101), the sealing ring (107) is fixedly arranged on the connection B port (103), the outer sealing platform (108) is fixedly arranged on the connection B port (103), and the inner sealing platform (109) is fixedly arranged on the connection B port (103).

2. The high temperature resistant composite anticorrosion thermal insulation pipe according to claim 1, characterized in that: The connection mechanism (2) comprises a connection pipe (201), a sealing ring (202), a connection cavity (203), a fixing block (204), a fixing hole (205) and a bolt (206); the sealing ring (202) is fixedly arranged inside the connection pipe (201).

3. The high temperature resistant composite anticorrosion thermal insulation pipe according to claim 2, characterized in that: The connecting cavity (203) is opened inside the connecting tube (201), and the fixing block (204) is fixedly arranged on the connecting tube (201).

4. The high temperature resistant composite anticorrosion thermal insulation pipe according to claim 2, characterized in that: The fixing hole (205) is opened on the fixing block (204), and the bolt (206) is movably arranged on the fixing hole (205).

5. The high temperature resistant composite anticorrosion thermal insulation pipe according to claim 1, characterized in that: The filling mechanism (3) comprises an inner anti-corrosion layer (301), a high temperature resistant protective layer (302), a polyurethane foam plastic insulation layer (303), a filling layer (304), a structural support layer (305) and an outer anti-corrosion layer (306), wherein the high temperature resistant protective layer (302) is fixedly arranged on the inner anti-corrosion layer (301).

6. The high temperature resistant composite anticorrosion thermal insulation pipe according to claim 5, characterized in that: The polyurethane foam plastic insulation layer (303) is fixedly arranged on the high temperature resistant protective layer (302), and the filling layer (304) is fixedly arranged on the polyurethane foam plastic insulation layer (303).

7. The high temperature resistant composite anticorrosion thermal insulation pipe according to claim 5, characterized in that: The structural support layer (305) is fixedly arranged on the filling layer (304), and the outer anti-corrosion layer (306) is fixedly arranged on the structural support layer (305).

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