High-performance magnesium oxide tube

By adopting composite material structures and connection designs on magnesium oxide pipes, the shortcomings of traditional magnesium oxide pipes in high-temperature and corrosive environments have been solved, achieving improvements in corona resistance, corrosion resistance, and high-temperature resistance, and increasing installation efficiency.

CN223579372UActive Publication Date: 2025-11-21YANCHENG LINYU ELECTRIC APPLIANCE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520025786.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-11-21
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Traditional magnesium oxide tubes suffer from poor moisture absorption, brittleness, poor corona resistance, thermal aging, and poor adaptability to complex environments in high-temperature and corrosive environments.

Method used

The composite material structure, including an anti-electric layer, a heat-resistant layer, and a corrosion-resistant layer, combined with the design of fixing blocks, circular sleeves, flanges, connecting bolts, and wing nuts, enables the rapid connection and disassembly of magnesium oxide pipes, and improves the sealing performance through a sealing structure.

Benefits of technology

This improves the corona resistance, corrosion resistance, and high-temperature resistance of magnesium oxide pipes, extending their service life and increasing installation efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223579372U_ABST
    Figure CN223579372U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-performance magnesium oxide pipe, and relates to the technical field of pipelines. The high-performance magnesium oxide pipe comprises a magnesium oxide pipe body, a fixing block is fixedly installed on the outer wall of the magnesium oxide pipe body, the outer wall of the magnesium oxide pipe body is sleeved with a circular ring sleeve and a flange plate, one side of the flange plate is fixedly installed on one side of the circular ring sleeve, and the outer wall of one end of the magnesium oxide pipe body is sleeved with a connecting sleeve which is provided with a through hole; and the fixing structure is arranged on the flange plate. According to the high-performance magnesium oxide pipe, the corona resistance, the corrosion resistance and the high-temperature resistance of the magnesium oxide pipe can be improved through the composite material anti-electricity layer, the heat-resistant layer and the corrosion-resistant layer, the service life of the magnesium oxide pipe can be prolonged, and the fixing blocks, the circular ring sleeves, the flange plates, the connecting bolts, the butterfly nuts and the connecting sleeves are used in cooperation; one ends of the two magnesium oxide pipes can be conveniently and rapidly disassembled and assembled, the installation period can be shortened, and the working efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline technical field, especially a kind of high-performance magnesium oxide pipe. BACKGROUND

[0002] Magnesium oxide pipe is a kind of pipeline material sintered by high-purity magnesium oxide powder through special process, with excellent heat resistance and chemical corrosion resistance. It is usually used for the transportation of high-temperature flue gas and hot oil, and is suitable for various high-temperature and corrosive environments.

[0003] As an electrical insulating material, traditional magnesium oxide pipe has excellent performance in many applications, but also has poor hygroscopicity, brittleness, poor corona resistance, thermal aging and poor adaptability to complex environments. SUMMARY

[0004] The utility model aims to provide a kind of high-performance magnesium oxide pipe to solve the problems and defects proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-performance magnesium oxide pipe, including magnesium oxide pipe, the outer wall of magnesium oxide pipe is fixedly installed with fixed block, the outer wall of magnesium oxide pipe is equipped with annular sleeve and flange plate, the side of flange plate is fixedly installed in the side of annular sleeve, the outer wall of one end of magnesium oxide pipe is equipped with connecting sleeve, connecting sleeve is provided with through hole, it also includes the fixed structure being arranged on flange plate, by connecting sleeve and fixed structure, it is used to connect the one end of two magnesium oxide pipes.

[0006] Preferably, the fixed structure includes connecting bolt and butterfly nut, the flange plate is provided with mounting hole, the connecting bolt is inserted into the mounting hole, and the butterfly nut is threadedly installed on the outer wall of the connecting bolt. It can conveniently and quickly disassemble and assemble the one end of two magnesium oxide pipes, shorten the installation period and improve the work efficiency.

[0007] Preferably, the annular sleeve is provided with hook groove, and the fixed block is located in the hook groove.

[0008] Preferably, the one end of the magnesium oxide pipe is provided with a sealing ring, the inner wall of the connecting sleeve is provided with a sealing groove, and the sealing ring is sleeved on the outer wall of the magnesium oxide pipe.

[0009] Preferably, the fixed block, flange plate, connecting bolt and butterfly nut are four and arranged in annular array.

[0010] Preferably, the magnesium oxide pipe comprises a base layer, an anti-electric layer, a heat-resistant layer, a corrosion-resistant layer, the heat-resistant layer is adhered to the outer side of the corrosion-resistant layer, the anti-electric layer is adhered to the outer side of the heat-resistant layer, and the base layer is sprayed on the outer side of the anti-electric layer, so that the magnesium oxide pipe has the advantages of anti-corona, corrosion resistance and high temperature resistance, and the service life of the magnesium oxide pipe is prolonged.

[0011] Preferably, the corrosion-resistant layer is magnesium oxide, the heat-resistant layer is titanium dioxide, the anti-electric layer is silicon carbide, and the base layer is nano ceramic paint.

[0012] Preferably, the connecting sleeve and the magnesium oxide pipe are made of the same material.

[0013] Compared with the prior art, the magnesium oxide pipe has the advantages of anti-corona, corrosion resistance and high temperature resistance, and the service life of the magnesium oxide pipe is prolonged.

[0014] The magnesium oxide pipe has the advantages of anti-corona, corrosion resistance and high temperature resistance, and the service life of the magnesium oxide pipe is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and embodiments:

[0016] Fig. 1 It is the structure schematic view of the utility model;

[0017] Fig. 2 It is the sectional view of the connecting sleeve, the sealing ring and the sealing ring of the utility model;

[0018] Fig. 3 It is the local sectional view of the magnesium oxide pipe of the utility model.

[0019] Reference signs: 1, magnesium oxide pipe; 101, base layer; 102, anti-electric layer; 103, heat-resistant layer; 104, corrosion-resistant layer; 2, fixed block; 3, circular ring cover; 4, flange plate; 5, connecting bolt; 6, butterfly nut; 7, connecting sleeve; 8, sealing ring; 9, sealing ring. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0021] Please refer to Figs. 1-3The utility model provides a technical scheme: a kind of high-performance magnesium oxide pipe, including magnesium oxide pipe 1, the outer wall of magnesium oxide pipe 1 is fixedly installed with fixed block 2, the outer wall of magnesium oxide pipe 1 is equipped with annular sleeve 3 and flange plate 4, one side of flange plate 4 is fixedly installed in one side of annular sleeve 3, one end outer wall of magnesium oxide pipe 1 is equipped with connecting sleeve 7, connecting sleeve 7 is equipped with through-hole, further including the fixed structure being set on flange plate 4, for the connection of one end of two magnesium oxide pipes 1 by connecting sleeve 7 and fixed structure.

[0022] Further, the fixed structure includes connecting bolt 5 and butterfly nut 6, flange plate 4 is equipped with mounting hole, connecting bolt 5 is inserted in mounting hole, butterfly nut 6 is threadedly installed on the outer wall of connecting bolt 5, manually twist butterfly nut 6, with the tightening of connecting bolt 5, butterfly nut 6 to fixed block 2, can make the one end of two magnesium oxide pipes 1 be inserted in the inside of connecting sleeve 7 tightly, realize the installation of two magnesium oxide pipes 1, by reverse twist butterfly nut 6, connecting bolt 5, butterfly nut 6 can be taken out from flange plate 4, can conveniently, quickly the one end of two magnesium oxide pipes 1 is disassembled, can shorten installation period, improve work efficiency.

[0023] Further, annular sleeve 3 is equipped with hook groove, and fixed block 2 is located in hook groove.

[0024] Further, one end of magnesium oxide pipe 1 is provided with sealing ring 8, the inner wall of connecting sleeve 7 is equipped with sealing groove, sealing groove is provided with sealing ring 9, and sealing ring 9 is equipped with the outer wall of magnesium oxide pipe 1.

[0025] Further, fixed block 2, flange plate 4, connecting bolt 5, butterfly nut 6 are all four and are arranged in annular array.

[0026] Further, magnesium oxide pipe 1 includes base layer 101, electric resistance layer 102, heat-resistant layer 103, corrosion-resistant layer 104, heat-resistant layer 103 is adhered to the outside of corrosion-resistant layer 104, electric resistance layer 102 is adhered to the outside of heat-resistant layer 103, base layer 101 is sprayed to the outside of electric resistance layer 102, can improve the electric resistance of magnesium oxide pipe, corrosion resistance, high temperature performance, can prolong the service life of the magnesium oxide pipe.

[0027] Further, corrosion-resistant layer 104 is magnesium oxide, heat-resistant layer 103 is titanium dioxide, electric resistance layer 102 is silicon carbide, and base layer 101 is nano ceramic coating.

[0028] Further, connecting sleeve 7 and magnesium oxide pipe 1 are of same material.

[0029] Working principle: the ring cover 3 and flange 4 is sleeved on the outside of magnesium oxide pipe 1, and the fixed block 2 is hooked in the hook groove of the ring cover 3, the connecting bolt 5 is inserted into the mounting hole of the flange 4, the wing nut 6 is manually twisted on the outer wall of the connecting bolt 5, with the tightening of the connecting bolt 5, the wing nut 6 on the fixed block 2, can make the two ends of the magnesium oxide pipe 1 tightly inserted into the inside of the connecting sleeve 7, realize the installation of the two magnesium oxide pipes 1, through the above reverse operation, the two magnesium oxide pipes 1 can be disassembled.

[0030] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art in the technical field without departing from the purpose of the utility model.

Claims

1. A high-performance magnesium oxide pipe, comprising a magnesium oxide pipe (1), a fixing block (2) fixedly installed on the outer wall of the magnesium oxide pipe (1), a circular ring sleeve (3) and a flange (4) sleeved on the outer wall of the magnesium oxide pipe (1), one side of the flange (4) fixedly installed on one side of the circular ring sleeve (3), and a connecting sleeve (7) sleeved on the outer wall of one end of the magnesium oxide pipe (1), the connecting sleeve (7) having a through hole, characterized in that, Also includes: The fixing structure set on the flange (4) is connected to the fixing structure through the connecting sleeve (7) and is used to connect one end of the two magnesium oxide tubes (1).

2. The high-performance magnesium oxide tube according to claim 1, characterized in that: The fixing structure includes a connecting bolt (5) and a wing nut (6). The flange (4) has a mounting hole, the connecting bolt (5) is inserted into the mounting hole, and the wing nut (6) is threaded onto the outer wall of the connecting bolt (5).

3. The high-performance magnesium oxide tube according to claim 2, characterized in that: The ring sleeve (3) has a hook groove, and the fixing block (2) is located in the hook groove.

4. A high-performance magnesium oxide tube according to claim 3, characterized in that: One end of the magnesium oxide tube (1) is provided with a sealing ring (8), and the inner wall of the connecting sleeve (7) is provided with a sealing groove, and a sealing ring (9) is provided in the sealing groove, and the sealing ring (9) is sleeved on the outer wall of the magnesium oxide tube (1).

5. A high-performance magnesium oxide tube according to claim 4, characterized in that: The fixing block (2), flange (4), connecting bolt (5), and wing nut (6) are all in fours and arranged in a circular array.

6. A high-performance magnesium oxide tube according to claim 5, characterized in that: The magnesium oxide tube (1) includes a base layer (101), an anti-electric layer (102), a heat-resistant layer (103), and a corrosion-resistant layer (104). The heat-resistant layer (103) is adhered to the outside of the corrosion-resistant layer (104), the anti-electric layer (102) is adhered to the outside of the heat-resistant layer (103), and the base layer (101) is sprayed on the outside of the anti-electric layer (102).

7. A high-performance magnesium oxide tube according to claim 6, characterized in that: The corrosion-resistant layer (104) is magnesium oxide, the heat-resistant layer (103) is titanium dioxide, the anti-electric layer (102) is silicon carbide, and the base layer (101) is a nano-ceramic coating.

8. A high-performance magnesium oxide tube according to claim 7, characterized in that: The connecting sleeve (7) and the magnesium oxide tube (1) are made of the same material.