CN213043870U - Heat-resistant corrosion-resistant alloy heater - Google Patents
Heat-resistant corrosion-resistant alloy heater Download PDFInfo
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- CN213043870U CN213043870U CN202021581037.5U CN202021581037U CN213043870U CN 213043870 U CN213043870 U CN 213043870U CN 202021581037 U CN202021581037 U CN 202021581037U CN 213043870 U CN213043870 U CN 213043870U
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Abstract
The utility model provides a heat-resisting corrosion-resistant alloy heater relates to hot-galvanize heating technical field to solve the corrosion resistance of the heater that exists among the prior art and the not good technical problem of heat resistance, the device includes sealing, outer tube and heating element, wherein, sealing and outer tube sealing connection, heating element pass the sealing and extend into the outer tube, heating element encircles the axis of outer tube for the portion of generating heat of alloy material and heating element and sets up in the outer tube, and the outer tube is formed by metal and ceramic layer material bonding, the utility model is used for promote the corrosion resistance and the heat resistance of heater.
Description
Technical Field
The utility model belongs to the technical field of the hot-galvanize heating technique and specifically relates to a heat-resisting corrosion-resistant alloy heater is related to.
Background
The heater for hot galvanizing by adopting an internal heating mode is designed to be used in a high-corrosion and high-temperature environment, so the requirements on the corrosion resistance and the strength of the outer wall of the heater are strict, in the prior art, a metal material or a non-metal material is generally used as an external sleeve, an outer sleeve made of the metal material has high strength, good toughness and high heat transfer efficiency, but cannot be applied in industry because the outer sleeve is not resistant to liquid zinc corrosion, and an inorganic non-metal material such as quartz glass, silicon carbide, silicon nitride or graphite is used as the outer sleeve resistant to liquid zinc corrosion and then an electric heating body is filled in the outer sleeve.
The applicant has found that the prior art has at least the following technical problems:
the outer sleeve of the heater used by the existing hot galvanizing has poor corrosion resistance and heat resistance in high-corrosion and high-temperature environments.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat-resisting corrosion-resistant alloy heater to the corrosion resistance and the not good technical problem of heat resistance of the heater that exist among the solution prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of heat-resisting corrosion-resistant alloy heater, including sealing, outer tube and heating element, wherein, sealing and outer tube sealing connection, heating element pass the sealing and extend into the outer tube, and heating element encircles the axis of outer tube for the portion of generating heat of alloy material and heating element and sets up in the outer tube, and the outer tube is formed by metal and ceramic layer material bonding.
Preferably, the heating assembly comprises a heating core and an alloy heating wire, the heating core is composed of an alloy steel core and an alloy conducting wire surrounding the alloy steel core, and the heating core is connected with the alloy heating wire through a copper binding post.
Preferably, the alloy wire is an Al-Mg-Si alloy or Al-Er-Zr alloy wire, the alloy steel core is a 40CrNiMo alloy steel core, the alloy heating wire is a nickel-chromium alloy, the alloy wire is wound and twisted outside the 40CrNiMo alloy steel core, and the Al-Mg-Si/Al-Er-Zr alloy wire and the 40CrNiMo alloy steel core are coated with a graphene coating.
Preferably, the heat-resistant corrosion-resistant alloy heater further comprises a plurality of heating pipes, the plurality of heating pipes are arranged in the outer sleeve in parallel around the axis of the outer sleeve, and the alloy heating wires penetrate through the heating pipes one by one.
Preferably, the outer sleeve is provided with a ceramic layer, an alloy bonding layer and a metal layer from outside to inside in sequence along the radial direction of the outer sleeve.
Preferably, the sealing part comprises a sealing cover, and the sealing cover is connected with the outer sleeve bolt in a threaded mode.
The utility model provides a pair of heat-resisting corrosion-resistant alloy heater, the ceramic layer is chooseed for use to the heater outer wall, the metal material who chooses for use among the relative prior art is like tungsten molybdenum alloy etc, better corrosion resistance has, and intensity is higher, for example in the zinc-plating trade, zinc liquid is extremely strong to the corrosivity of metal and does not corrode ceramic material almost, simultaneously because the hot-galvanize is high temperature environment, heating element's heating core adopts heat-resisting aluminum alloy wire and alloy steel core winding transposition to form, the heat resistance of heating core has further been improved, the stability of heating element in high temperature environment has been promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a heat and corrosion resistant alloy heater according to the present invention;
FIG. 2 is a schematic structural view of a heating tube according to an embodiment of the heat-resistant and corrosion-resistant alloy heater of the present invention;
fig. 3 is a schematic view of a connection structure between a heating tube and a heating core of an embodiment of the heat-resistant and corrosion-resistant alloy heater of the present invention.
In the figure: 1. a sealing part; 2. sealing and closing the cover; 3. an outer sleeve; 4. heating the core; 5. heating a tube; 6. an alloy heating wire; 7. a ceramic layer; 8. an alloy bonding layer; 9. a metal layer; 10. leading out an electrode; 11. a wire; 12. a lifting ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes in detail embodiments of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.
Referring to fig. 1 and 2, the utility model provides a heat-resisting corrosion-resistant alloy heater, including sealing 1, outer tube 3 and heating element, wherein, sealing 1 and outer tube 3 sealing connection, heating element pass sealing 1 and extend into outer tube 3, and heating element sets up in outer tube 3 for the axis that the outer tube 3 was encircleed to alloy material and heating element's the portion of generating heat, and outer tube 3 is formed by metal and ceramic layer material bonding. The utility model discloses ceramic layer 7 is chooseed for use to well heater outer wall, and the metal material of chooseing for use among the prior art relatively is like tungsten molybdenum alloy etc. and it is higher to have better corrosion resistance, intensity, for example in the zinc-plating trade, and the zinc liquid is extremely strong to the corrosivity of metal and does not corrode ceramic material almost, and inside heating element's heating core 4 adopts heat-resisting aluminum alloy wire and alloy steel core winding transposition to form simultaneously, has further improved aluminum alloy wire's heat resistance.
As an alternative embodiment, the heating assembly comprises a heating core 4 and an alloy heating wire 6, the heating core 4 is composed of an alloy steel core and an alloy conducting wire surrounding the alloy steel core, and the heating core 4 is connected with the alloy heating wire 6 through a copper terminal.
Specifically, the alloy wire is an Al-Mg-Si alloy or Al-Er-Zr alloy wire, the alloy steel core is a 40CrNiMo alloy steel core, the alloy electric heating wire 6 is a nickel-chromium alloy, the alloy wire is wound and twisted outside the 40CrNiMo alloy steel core, and a graphene coating is coated outside the Al-Mg-Si/Al-Er-Zr alloy wire and the 40CrNiMo alloy steel core.
More specifically, the number of turns of the alloy wire wound around the 40CrNiMo alloy steel core is two, and the heat resistance of the aluminum alloy wire is further improved by winding and twisting the 40CrNiMo alloy steel core by the two layers of heat-resistant aluminum alloy wires.
Further, in some embodiments, when the alloy wire 5 is an Al-Er-Zr alloy, the mass percent of Er is 0.1%, the mass percent of Zr is 0.03%, and the balance is Al and inevitable impurities, and a trace amount of Zr element is added to the alloy wire 5, so that the recrystallization temperature of the wire can be increased, the heat resistance can be significantly increased, the influence on the electrical conductivity is small, and the current-carrying capacity of the alloy wire 5 is large, and the creep property is good.
As an alternative embodiment, the heat and corrosion resistant alloy heater further comprises a heating pipe 5, the heating pipe 5 is multiple, the multiple heating pipes 5 surround the axis of the outer sleeve 3 and are arranged in the outer sleeve 3, and the alloy heating wires 6 pass through the heating pipes 5 one by one. The heating pipe 5 and the alloy heating wire 6 constitute a heating part.
Referring to fig. 2, the heating pipes 5 are connected side by an arc-shaped connecting frame, the heating pipes 5 are long-tube-shaped, the heating pipes 5 are arranged along the length direction of the outer sleeve 3, the number of the heating cores 4 is two, the alloy heating wire 6 on one heating core 4 penetrates through the first heating pipe 5 closest to the first heating pipe, then the alloy heating wire 6 is directly connected with the second heating pipe 5 closest to the first heating pipe along the counterclockwise direction from the bottom of the heating pipe 5 which penetrates through the alloy heating wire 6, the alloy heating wire 6 is connected with the third heating pipe 5 closest to the second heating pipe from the top of the second heating pipe 5 after being strung out from the second heating pipe 5, and the steps are repeated until the alloy heating wire 6 penetrates through all the heating pipes 5, and then.
Referring to fig. 3, as another embodiment, the heating pipe 5 is a bent pipe body integrally formed, an inlet and an outlet of the bent pipe body are located on the same end surface, and the alloy heating wires 6 enter the heating pipe 5 through the inlet and the outlet of the bent pipe body, respectively.
As another embodiment, a heat conducting alloy can be placed in the outer sleeve 3, the heat conducting alloy is filled between the outer sleeve 3 and the heating tube 5, the heating assembly is soaked in the heat conducting alloy during operation, the heat conducting alloy has the characteristics of low melting point and high heat transfer efficiency, the liquid phase is at the use temperature of the heater, the heating assembly is soaked in the heat conducting alloy after being inserted into the heat conducting alloy, the heat conducting efficiency is extremely high, and the heat efficiency of the outer sleeve 3 can reach more than 95% by matching the heat conducting alloy with metal and ceramic layers.
Furthermore, the heat-conducting alloy in the liquid state after being heated is covered with the antioxidant, so that the oxidation of the liquid metal can be effectively reduced, and the antioxidant covers the upper surface of the heat-conducting alloy.
In an alternative embodiment, the outer sleeve 3 comprises a ceramic layer 7, an alloy bonding layer 8 and a metal layer 9 in sequence from outside to inside along the radial direction of the outer sleeve 3. The ceramic layer 7 can be made of metal oxide, carbide or nitride, such as zirconia, alumina, silicon carbide, silicon nitride and the like, the metal layer, the bonding alloy layer and the ceramic layer are pressed to prepare a metal/ceramic layered composite material, the composite material can be made into an outer sleeve 3 with a specific shape, the alloy bonding layer 8 is Al-Ti-Cu-Si alloy, and the Al-Ti-Cu-Si alloy comprises 5-10% of Ti, 3-8% of Cu, 9-14% of Si and the balance of Al by mass percent.
Specifically, the shape of the outer sleeve 3 can be a cuboid or a cylinder, the cuboid or the cylinder is obtained according to the shape of the heating pot body and whether violent impact exists in the pot body in the industrial production process, the cylinder heater is more favorable for heat dissipation, and the cuboid heater is more favorable for expansion of the space in the pot; the metal layer 9 is carbon steel, stainless steel or nonferrous metal copper, etc., and the metal layer 9 plays a role in enhancing the toughness and plasticity of the material in the laminated composite material.
As an alternative embodiment, the sealing part 1 comprises a sealing cover 2, and the sealing cover 2 is connected with the outer sleeve 3 through bolts.
An embodiment of a heat-resistant corrosion-resistant alloy heater is schematically shown in fig. 1, a sealing cover 2 is a rectangular cavity with a cavity inside, a leading-out electrode 10 and a lead 11 connected with a heating core 4 are arranged in the cavity, the leading-out electrode 10 and the lead 11 penetrate through the cover wall of the sealing cover 2 to be connected with the heating core 4, a counter bore is formed in the sealing cover 2, a flange is arranged at the opening end of an outer sleeve 3, a bolt penetrates through the flange to be connected with the counter bore on the sealing cover 2 in a threaded manner, a hanging ring 12 is welded outside the sealing cover 2, the heating core 4 extends into the outer sleeve 3 and is connected with a heating pipe 5 through an alloy heating wire 6, and the outmost layer of the
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A heat-resistant corrosion-resistant alloy heater is characterized in that: comprises a sealing part (1), an outer sleeve (3) and a heating component, wherein,
sealing portion (1) with outer tube (3) sealing connection, heating element passes sealing portion (1) extends into in outer tube (3), heating element is that multilayer alloy wire winding transposition forms, heating element's the portion of generating heat encircles the axis of outer tube (3) set up in outer tube (3), outer tube (3) are formed by metal and ceramic layer material bonding.
2. The heat and corrosion resistant alloy heater according to claim 1, wherein: the heating assembly comprises a heating core (4) and an alloy heating wire (6), the heating core (4) is composed of an alloy steel core and an alloy conducting wire surrounding the alloy steel core, and the heating core (4) is connected with the alloy heating wire (6) through a copper binding post.
3. The heat and corrosion resistant alloy heater according to claim 2, wherein: the alloy wire is an Al-Mg-Si alloy or Al-Er-Zr alloy wire, the alloy steel core is a 40CrNiMo alloy steel core, the alloy electric heating wire (6) is a nickel-chromium alloy, the alloy wire is wound and stranded outside the 40CrNiMo alloy steel core, and a graphene coating is coated outside the Al-Mg-Si/Al-Er-Zr alloy wire and the 40CrNiMo alloy steel core.
4. The heat and corrosion resistant alloy heater according to claim 2, wherein: the corrosion-resistant alloy heater still contains heating pipe (5), heating pipe (5) are a plurality of and a plurality of heating pipe (5) encircle the axis of outer tube (3) are arranged in side by side in outer tube (3), alloy heating wire (6) pass one by one heating pipe (5).
5. The heat and corrosion resistant alloy heater according to claim 1, wherein: along the radial direction of outer tube (3), outer tube (3) is ceramic layer (7), alloy adhesive linkage (8) and metal level (9) in proper order from outer to interior.
6. The heat and corrosion resistant alloy heater according to claim 1, wherein: the sealing part (1) comprises a sealing cover (2), and the sealing cover (2) is connected with the outer sleeve (3) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021581037.5U CN213043870U (en) | 2020-08-03 | 2020-08-03 | Heat-resistant corrosion-resistant alloy heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021581037.5U CN213043870U (en) | 2020-08-03 | 2020-08-03 | Heat-resistant corrosion-resistant alloy heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213043870U true CN213043870U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021581037.5U Active CN213043870U (en) | 2020-08-03 | 2020-08-03 | Heat-resistant corrosion-resistant alloy heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213043870U (en) |
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2020
- 2020-08-03 CN CN202021581037.5U patent/CN213043870U/en active Active
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