CN219627921U

CN219627921U - High-temperature iron-chromium-aluminum alloy heating wire

Info

Publication number: CN219627921U
Application number: CN202321161798.9U
Authority: CN
Inventors: 庄丽花
Original assignee: Danyang Haiwei Electrothermal Alloy Co ltd
Current assignee: Danyang Haiwei Electrothermal Alloy Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-09-01
Anticipated expiration: 2033-05-15

Abstract

The utility model relates to the technical field of electric heating alloy wires and discloses a high-temperature iron-chromium-aluminum alloy electric heating wire, which comprises a heat conduction pipe, wherein heat dissipation mechanisms are arranged on two sides of the heat conduction pipe, a pressure prevention mechanism is arranged inside the heat conduction pipe, the heat dissipation mechanisms comprise connecting strips, one ends of the connecting strips are respectively and fixedly connected with two sides of the outer wall of the heat conduction pipe, the other ends of the connecting strips are fixedly connected with a heat dissipation shell, heat conduction strips are fixedly connected on two sides of the inner wall of the heat dissipation shell, and one side of each heat conduction strip is fixedly connected with a plurality of heat dissipation fins. According to the utility model, a certain heat dissipation and cooling effect is provided for the heat dissipation mechanism through the arrangement of the heat dissipation mechanism, so that the situation that the heating wire works in a high-temperature environment for a long time and cannot better guide out the accumulated high temperature and heat inside is reduced, the situation that the heating wire inside is damaged by the high temperature is reduced, the use effect is improved, and the heat of the heating wire is transmitted into the heat dissipation shell through the heat conduction pipe and the connecting strip.

Description

High-temperature iron-chromium-aluminum alloy heating wire

Technical Field

The utility model relates to the technical field of electrothermal alloy wires, in particular to a high-temperature iron-chromium-aluminum alloy heating wire.

Background

The electrothermal alloy is a resistance alloy for manufacturing a heating element by utilizing the resistance characteristic of metal, and the electrothermal alloy of iron, chromium, aluminum and nickel and chromium has strong oxidation resistance, but because various gases such as air, carbon atmosphere, sulfur atmosphere, hydrogen atmosphere, nitrogen atmosphere and the like are contained in a furnace, the gases have certain influence on the element under high-temperature use, so that preoxidation treatment is usually carried out, the diameter thickness of the electrothermal wire is a parameter related to the highest use temperature, and the larger diameter electrothermal wire is easier to overcome the deformation problem under high temperature, and the service life of the electrothermal wire is prolonged.

However, the existing electrothermal alloy wires have some defects that firstly, most electrothermal alloy wires are easy to damage the inner and outer parts of the electrothermal alloy wires due to larger stress extrusion during transportation and use, local friction damage occurs, secondly, most electrothermal alloy wires are easy to work in a long-term high-temperature environment, high temperature and heat accumulated in the electrothermal alloy wires cannot be well led out, the situation that the internal alloy wires are damaged by high temperature exists, the using effect is affected, and the traditional electrothermal wires are low in heat conduction efficiency and poor in oxidation resistance, so that a brand new high-temperature iron-chromium-aluminum alloy electrothermal wire is needed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a high-temperature iron-chromium-aluminum alloy heating wire.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the high-temperature iron-chromium-aluminum alloy heating wire comprises a heat conduction pipe, wherein heat dissipation mechanisms are arranged on two sides of the heat conduction pipe, and an anti-pressure mechanism is arranged in the heat conduction pipe;

the heat dissipation mechanism comprises connecting strips, one ends of the connecting strips are respectively and fixedly connected to two sides of the outer wall of the heat conduction pipe, the other ends of the connecting strips are fixedly connected with a heat dissipation shell, the two sides of the inner wall of the heat dissipation shell are fixedly connected with heat conduction strips, and one side of each heat conduction strip is fixedly connected with a plurality of heat dissipation fins.

As a further description of the above technical solution:

the inside both sides of heat pipe are all fixedly connected with baffle, one side fixedly connected with insulating asbestos post core of baffle, the outer wall of insulating asbestos post core is provided with the heating wire, the one end electric connection of heating wire has the negative pole piece, one side electric connection of negative pole piece has the fuse, the other end electric connection of heating wire has the anode strip.

As a further description of the above technical solution:

the anti-press mechanism comprises an isolation layer, the inner wall of the isolation layer is arranged on the outer wall of the electric heating wire, an inner cushion layer is arranged on the outer wall of the isolation layer, an extrusion layer is arranged on the outer wall of the inner cushion layer, and an outer cushion layer is arranged on the outer wall of the extrusion layer.

As a further description of the above technical solution:

and one side of the outer wall of the heat conducting pipe is provided with a wear-resistant layer.

As a further description of the above technical solution:

the outer walls of the fuse wire and the lead are provided with outer guide pipes.

As a further description of the above technical solution:

and one side of the outer wall of the connecting strip is rotationally connected with a friction ring, and the outer surface of the friction ring is rotationally connected with one side of the heat dissipation shell.

As a further description of the above technical solution:

the fuse wire, the cathode plate, the heating wire and the anode plate are all electrically connected through wires.

The utility model has the following beneficial effects:

1. according to the utility model, a certain heat dissipation and cooling effect is provided for the electric heating wire through the arrangement of the heat dissipation mechanism, so that the situation that the electric heating wire works in a high-temperature environment for a long time and cannot better guide out the accumulated high temperature and heat inside is reduced, the situation that the electric heating wire inside is damaged by the high temperature is reduced, the use effect is improved, the heat of the electric heating wire is transmitted into the heat dissipation shell through the heat conduction pipe and the connecting strip, and then the heat is transmitted to the heat dissipation fin through the heat conduction strip, and at the moment, the electric heating wire is dissipated through the arrangement of the heat dissipation fin, so that the situation that the electric heating wire inside is damaged by the high temperature is reduced, and the electric heating wire is convenient to use.

2. According to the utility model, one end of the heating wire is electrically connected with the anode plate, the anode plate is electrically connected with the fuse through the lead, the other end of the heating wire is electrically connected with the cathode plate, and the cathode plate is electrically connected with the lead.

Drawings

Fig. 1 is a perspective view of a high temperature iron-chromium-aluminum alloy heating wire according to the present utility model;

fig. 2 is a side view of a high temperature iron-chromium-aluminum alloy heating wire according to the present utility model;

fig. 3 is a schematic diagram of a heat dissipation mechanism of the high-temperature iron-chromium-aluminum alloy heating wire according to the present utility model;

fig. 4 is a schematic diagram of a pressure prevention mechanism of the high-temperature iron-chromium-aluminum alloy heating wire provided by the utility model.

Legend description:

1. a heat conduction pipe; 2. a partition plate; 3. insulating asbestos column cores; 4. heating wires; 5. a cathode sheet; 6. a fuse; 7. an outer conduit; 8. anode plates; 9. a wire; 10. a connecting strip; 11. a heat dissipation housing; 12. a heat conducting strip; 13. a heat sink; 14. a friction ring; 15. an isolation layer; 16. an inner cushion layer; 17. extruding the layer; 18. an outer cushion layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the high-temperature iron-chromium-aluminum alloy heating wire comprises a heat conducting tube 1, heat dissipation mechanisms are arranged on two sides of the heat conducting tube 1, an anti-compression mechanism is arranged in the heat conducting tube 1, a wear-resistant layer is arranged on one side of the outer wall of the heat conducting tube 1, a partition plate 2 is fixedly connected to two sides of the inside of the heat conducting tube 1, an insulating asbestos column core 3 is fixedly connected to one side of the partition plate 2, an electric heating wire 4 is arranged on the outer wall of the insulating asbestos column core 3, one end of the electric heating wire 4 is electrically connected with a cathode sheet 5, one side of the cathode sheet 5 is electrically connected with a fuse 6, the fuse 6 and the outer wall of a lead 9 are respectively provided with an outer guide tube 7, the fuse 6, the cathode sheet 5, the electric heating wire 4 and the anode sheet 8 are electrically connected through the lead 9, the other end of the electric heating wire 4 is electrically connected with the fuse 6 through the lead 9, and after two ends of the electric heating wire 4 are electrified, the generated heat is transferred to the heat conducting tube 1 through the heat conducting tube or the heat conducting tube, the heat dissipation efficiency is improved, and the heat is reduced under the long-term working environment;

the heat dissipation mechanism includes connecting strip 10, the outer wall one side of connecting strip 10 rotates and is connected with friction ring 14, the surface of friction ring 14 rotates with one side of heat dissipation casing 11 to be connected, the one end of a plurality of connecting strips 10 is fixed connection respectively in the outer wall both sides of heat pipe 1, connecting strip 10 other end fixedly connected with heat dissipation casing 11, the equal fixedly connected with heat conduction strip 12 in the inner wall both sides of heat dissipation casing 11, one side fixedly connected with a plurality of fin 13 of heat conduction strip 12, through the setting of heat dissipation mechanism, provide certain heat dissipation cooling effect for it, work under the environment of high temperature for a long time in order to reduce heating wire 4, the circumstances of the inside accumulated high temperature of guide-out and heat that can not be better, reduce the circumstances of inside heating wire 4 of high temperature harm, the result of use has been promoted, heat transmission is given fin 13 through heat conduction pipe 1 and connecting strip 10 with the heat transmission of heating wire 4 in heat dissipation casing 11, the circumstances of the inside heating wire 4 is reduced through the setting of fin 13 at this moment, convenient use.

The pressure prevention mechanism comprises an isolation layer 15, the inner wall of the isolation layer 15 is arranged on the outer wall of the electric heating wire 4, an inner cushion layer 16 is arranged on the outer wall of the isolation layer 15, an extrusion layer 17 is arranged on the outer wall of the inner cushion layer 16, an outer cushion layer 18 is arranged on the outer wall of the extrusion layer 17, a movable space is provided for the electric heating wire 4 of the pressure prevention mechanism through the arrangement of the pressure prevention mechanism, the buffer decompression effect is provided through the deformation of the extrusion layer 17 when the pressure is exerted, the damage of the inner part and the outer part of the electric heating wire due to the larger stress extrusion during transportation and use is avoided, the final extrusion space is reserved by the inner cushion layer 16 and the outer cushion layer 18, and the damage caused by the compression, the local friction and the like is reduced.

Working principle: when in use, one end of the electric heating wire 4 is electrically connected with the anode strip 8, the anode strip 8 is electrically connected with the fuse wire 6 through the lead 9, the other end of the electric heating wire 4 is electrically connected with the cathode strip 5, the cathode strip 5 is electrically connected with the lead 9, through the connection installation mode, after the two ends of the electric heating wire 4 are electrified, the electric heating wire 4 heats, the generated heat is transferred into the heat dissipation mechanism or the outside through the heat conduction pipe 1, the heat conduction efficiency is improved, so that the electric heating wire 4 works in a high-temperature environment for a long time, a certain heat dissipation and cooling effect is provided for the electric heating wire 4 through the arrangement of the heat dissipation mechanism, the situation that the electric heating wire 4 works in a high-temperature environment for a long time and the accumulated high temperature and heat inside cannot be well led out is reduced, reduce the inside heating wire 4's of high temperature harm condition, the result of use has been promoted, heat transfer to the heat dissipation casing 11 with heating wire 4 through heat pipe 1 and connecting rod 10, rethread heat conduction strip 12 gives heat dissipation 13 with heat transfer, the setting through heat dissipation 13 carries out the heat dissipation to it this moment, the inside heating wire 4's of reduction high temperature harm condition, convenient use, through the setting of preventing pressing mechanism, provide movable space for its heating wire 4, warp when pressing through extrusion layer 17 and provide its buffering decompression effect, avoid it to lead to its inside and outside part impaired because of great atress extrusion when transportation uses, reserve final extrusion space by interior bed course 16 and outer bed course 18 simultaneously, reduce the damage condition that its is pressed and local friction etc. lead to.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The high-temperature iron-chromium-aluminum alloy heating wire comprises a heat conduction pipe (1), and is characterized in that: both sides of the heat conduction pipe (1) are provided with heat dissipation mechanisms, and the heat conduction pipe (1) is internally provided with a pressure prevention mechanism;

the heat dissipation mechanism comprises connecting strips (10), one ends of the connecting strips (10) are respectively and fixedly connected to two sides of the outer wall of the heat conduction pipe (1), the other ends of the connecting strips (10) are fixedly connected with heat dissipation shells (11), heat conduction strips (12) are fixedly connected to two sides of the inner wall of each heat dissipation shell (11), and one side of each heat conduction strip (12) is fixedly connected with a plurality of heat dissipation fins (13).

2. The high temperature iron-chromium-aluminum alloy heating wire according to claim 1, wherein: the inside both sides of heat pipe (1) are all fixedly connected with baffle (2), one side fixedly connected with insulating asbestos post core (3) of baffle (2), the outer wall of insulating asbestos post core (3) is provided with heating wire (4), the one end electric connection of heating wire (4) has negative pole piece (5), one side electric connection of negative pole piece (5) has fuse (6), the other end electric connection of heating wire (4) has positive pole piece (8).

3. The high temperature iron-chromium-aluminum alloy heating wire according to claim 1, wherein: the anti-pressing mechanism comprises an isolation layer (15), wherein the inner wall of the isolation layer (15) is arranged on the outer wall of the heating wire (4), an inner cushion layer (16) is arranged on the outer wall of the isolation layer (15), an extrusion layer (17) is arranged on the outer wall of the inner cushion layer (16), and an outer cushion layer (18) is arranged on the outer wall of the extrusion layer (17).

4. The high temperature iron-chromium-aluminum alloy heating wire according to claim 1, wherein: and one side of the outer wall of the heat conducting pipe (1) is provided with a wear-resistant layer.

5. The high temperature iron-chromium-aluminum alloy heating wire according to claim 2, wherein: the outer walls of the fuse wire (6) and the lead wire (9) are both provided with an outer conduit (7).

6. The high temperature iron-chromium-aluminum alloy heating wire according to claim 1, wherein: the outer wall of the connecting strip (10) is rotationally connected with a friction ring (14), and the outer surface of the friction ring (14) is rotationally connected with one side of the heat dissipation shell (11).

7. The high temperature iron-chromium-aluminum alloy heating wire according to claim 2, wherein: the fuse wire (6), the cathode sheet (5), the heating wire (4) and the anode sheet (8) are electrically connected through a lead (9).