CN220234998U - Bundling type explosion-proof electric heating tube - Google Patents
Bundling type explosion-proof electric heating tube Download PDFInfo
- Publication number
- CN220234998U CN220234998U CN202320915091.6U CN202320915091U CN220234998U CN 220234998 U CN220234998 U CN 220234998U CN 202320915091 U CN202320915091 U CN 202320915091U CN 220234998 U CN220234998 U CN 220234998U
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- China
- Prior art keywords
- electric heating
- heating tube
- power
- power source
- tube body
- Prior art date
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- 238000005485 electric heating Methods 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 20
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000009172 bursting Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 6
- 238000004880 explosion Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Resistance Heating (AREA)
Abstract
The utility model discloses a cluster type explosion-proof electric heating tube, which comprises a power source, a power connector, an electric heating tube body, a flange plate and a spiral electric heating wire, wherein the power connector is arranged at the central position of the bottom end of the power source, and a power controller is arranged in the power source; the electric heating pipe bodies are arranged on the surface of the electric source; the spiral electric heating wire is arranged in the electric heating tube body, and magnesia powder is filled in the electric heating tube body outside the spiral electric heating wire; a temperature measuring cylinder is fixed in the power head at one side of the power controller, temperature sensing liquid is arranged in the temperature measuring cylinder, and a piston push rod is arranged in the temperature measuring cylinder at one side of the temperature sensing liquid; the flange plate is sleeved outside the power source. The utility model not only effectively prevents the tube body from bursting due to overhigh load, improves the safety of the electric heating tube, ensures that the electric heating tube has quick heat transfer and uniform heat distribution, but also improves the anti-corrosion performance of the flange plate and reduces the falling-off of the flange plate.
Description
Technical Field
The utility model relates to the technical field of electric heating tubes, in particular to a cluster type explosion-proof electric heating tube.
Background
The electrothermal tube is an electrical element which is specially used for converting electric energy into heat energy, a metal tube is taken as a shell (comprising stainless steel and copper tubes), spiral electrothermal alloy wires (nickel-chromium and iron-chromium alloy) are uniformly distributed along the axial direction of the center in the tube, gaps of the spiral electrothermal alloy wires are filled and compacted with magnesia with good insulating and heat conducting properties, two ends of a tube orifice are sealed by silica gel, the metal armored electrothermal element can heat air, a metal mold and various liquids, the bunched electrothermal tube is an electrothermal tube formed by bundling a plurality of electrothermal tubes into a bundle, the bunched electrothermal tube is low in price, convenient to use and convenient to install, and is free from pollution, and the applicant finds that the bunched electrothermal tube is easy to cause high tube body load due to overhigh temperature in the use process and has explosion risk, and the safety is not guaranteed, so the improvement is needed.
Disclosure of Invention
The utility model aims to provide a cluster type explosion-proof electric heating tube, which solves the problem that the explosion-proof performance of the electric heating tube is poor in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the cluster type explosion-proof electric heating tube comprises a power source, a power connector, an electric heating tube body, a flange plate and a spiral electric heating wire, wherein the power connector is arranged at the central position of the bottom end of the power source, and a power controller is arranged in the power source;
the electric heating pipe body is arranged on the surface of the power supply source, and one end of the electric heating pipe body extends to the inside of the power supply source and is connected with the power supply controller;
the spiral electric heating wire is arranged in the electric heating tube body, and magnesia powder is filled in the electric heating tube body outside the spiral electric heating wire;
the temperature measuring device is characterized in that a temperature measuring cylinder is fixed in a power head on one side of the power controller and is closely attached to the electric heating tube body, temperature sensing liquid is arranged in the temperature measuring cylinder, a piston push rod is arranged in the temperature measuring cylinder on one side of the temperature sensing liquid, one end of the piston push rod extends to the outside of the temperature sensing liquid, a temperature control switch is arranged in the power head on one side of the temperature sensing liquid, and the temperature control switch is connected with the power controller through a wire;
the flange plate is sleeved outside the power source.
Preferably, the inner wall of the electric heating tube body is coated with a silicon carbide coating, and the silicon carbide coating has the characteristics of high temperature resistance, good heat conduction performance, impact resistance and the like.
Preferably, the outer wall of one side of the flange plate is adhered with a protective cover, one end of the protective cover is tightly attached to the outer wall of the electric heating tube body, and the joint of the flange plate and the power head can be protected to prevent the flange plate from being directly contacted with corrosive media.
Preferably, equidistant bolts are arranged in the flange plate, one end of each bolt is connected with the power head, and the bolts are used for connecting the flange plate and the power head.
Preferably, equidistant round holes are formed in the edge positions of the inner portion of the flange plate, so that the flange plate can be fixed conveniently.
Preferably, epoxy resin is filled between the flange plates at two sides of the bolt and the power head, so that gaps between the flange plates and the power head are conveniently filled, and the epoxy resin has good corrosion resistance and strong stability.
Compared with the prior art, the utility model has the beneficial effects that: according to the bunched explosion-proof electric heating tube, after the electric heating tube body is heated, the temperature sensing liquid in the temperature sensing cylinder is heated and expanded, when the temperature of the electric heating tube body is overhigh, the temperature sensing liquid expands to push the piston push rod to move, the piston push rod presses the temperature sensing switch to enable the control power supply controller to be powered off, and through automatic power-off when the temperature is overhigh, the tube body is effectively prevented from bursting due to overhigh load, so that the safety of the electric heating tube is improved.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is an enlarged schematic view of a part of a cross-sectional structure of an electrothermal tube body according to the present utility model;
FIG. 3 is an enlarged partial cross-sectional schematic view of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a source of electricity; 2. a power supply connector; 3. an electric heating tube body; 4. a flange plate; 5. a spiral heating wire; 6. magnesium oxide powder; 7. a silicon carbide coating; 8. a power supply controller; 9. a temperature measuring cylinder; 10. a temperature-sensitive liquid; 11. a piston push rod; 12. a temperature control switch; 13. a protective cover; 14. a bolt; 15. an epoxy resin.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the cluster type explosion-proof electric heating tube comprises a power source head 1, a power connector 2, an electric heating tube body 3, a flange 4 and a spiral electric heating wire 5, wherein the power source connector 2 is arranged at the central position of the bottom end of the power source head 1, and a power source controller 8 is arranged in the power source head 1;
the electric heating tube body 3 is arranged on the surface of the power supply head 1, and one end of the electric heating tube body 3 extends into the power supply head 1 and is connected with the power supply controller 8;
the spiral electric heating wire 5 is arranged in the electric heating tube body 3, and magnesia powder 6 is filled in the electric heating tube body 3 outside the spiral electric heating wire 5;
the inner wall of the electric heating tube body 3 is coated with a silicon carbide coating 7, and the silicon carbide coating 7 has the characteristics of high temperature resistance, good heat conduction performance, impact resistance and the like;
a temperature measuring cylinder 9 is fixed in the power head 1 at one side of the power controller 8, the temperature measuring cylinder 9 is tightly attached to the electric heating tube body 3, temperature sensing liquid 10 is arranged in the temperature measuring cylinder 9, a piston push rod 11 is arranged in the temperature measuring cylinder 9 at one side of the temperature sensing liquid 10, one end of the piston push rod 11 extends to the outside of the temperature sensing liquid 10, a temperature control switch 12 is arranged in the power head 1 at one side of the temperature sensing liquid 10, and the temperature control switch 12 is connected with the power controller 8 through a wire;
the flange 4 is sleeved outside the power source 1;
a protective cover 13 is adhered to the outer wall of one side of the flange 4, one end of the protective cover 13 is tightly attached to the outer wall of the electric heating tube body 3, and the joint of the flange 4 and the power supply head 1 can be protected to prevent the flange 4 from directly contacting with corrosive medium;
the inside of the flange 4 is provided with equidistant bolts 14, and one end of each bolt 14 is connected with the power supply head 1 and is used for connecting the flange 4 with the power supply head 1;
equidistant round holes are formed in the edge positions of the inner part of the flange 4, so that the flange 4 can be conveniently fixed;
epoxy resin 15 is filled between the flange 4 and the power head 1 at two sides of the bolt 14, so that gaps between the flange 4 and the power head 1 can be conveniently filled, and the epoxy resin 15 has good corrosion resistance and strong stability.
When the embodiment of the application is used, the following steps are adopted: firstly, connect the power with the power through power connector 2 with the power source 1, the power controller 8 control electrothermal tube body 3 inside spiral heating wire 5 circular telegram heating, wherein, magnesium oxide powder 6 has good heat conductivity, insulativity, heat resistance and vibration resistance, make the heating effect of electrothermal tube better, silicon carbide coating 7 on the electrothermal tube body 3 inner wall has high temperature resistant, good heat conductivility, characteristics such as shock resistance, thereby make electrothermal tube heat transfer fast, and heat distribution is even, the heating effect has been improved, then, electrothermal tube body 3 intensifies the back, the temperature sensing liquid 10 in temperature measurement jar 9 is heated and expands, when the temperature of electrothermal tube body 3 is too high, temperature sensing liquid 10 expansion promotes piston push rod 11 and removes, piston push rod 11 presses thermal switch 12 and opens, make power controller 8 outage, through automatic outage when the temperature is too high, prevent that the body load from taking place to burst, thereby the security of electrothermal tube has been improved, and, the flange 4 and the junction of power head 1 can be protected, prevent flange 4 direct contact with corrosive medium, simultaneously, epoxy 15 has filled the gap between flange 4 and power head 1, the flange 15 has good performance, the anti-explosion performance of flange 4 has been reduced, the anti-corrosion performance has been accomplished, the flange 4 has been completed, the anti-explosion performance is good.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The cluster type explosion-proof electric heating tube is characterized by comprising a power source head (1), a power source connector (2), an electric heating tube body (3), a flange plate (4) and a spiral electric heating wire (5), wherein the power source connector (2) is arranged at the central position of the bottom end of the power source head (1), and a power source controller (8) is arranged in the power source head (1);
the electric heating pipe bodies (3) are all arranged on the surface of the power supply head (1), and one ends of the electric heating pipe bodies (3) extend into the power supply head (1) and are connected with the power supply controller (8);
the spiral electric heating wire (5) is arranged in the electric heating tube body (3), and magnesia powder (6) is filled in the electric heating tube body (3) outside the spiral electric heating wire (5);
the power supply is characterized in that a temperature measuring cylinder (9) is fixed inside a power head (1) at one side of the power supply controller (8), the temperature measuring cylinder (9) is tightly attached to the electric heating tube body (3), temperature sensing liquid (10) is arranged inside the temperature measuring cylinder (9), a piston push rod (11) is arranged inside the temperature measuring cylinder (9) at one side of the temperature sensing liquid (10), one end of the piston push rod (11) extends to the outside of the temperature sensing liquid (10), a temperature control switch (12) is arranged inside the power head (1) at one side of the temperature sensing liquid (10), and the temperature control switch (12) is connected with the power supply controller (8) through a wire;
the flange plate (4) is sleeved outside the power source (1).
2. The bundled explosion-proof electrical heating tube as set forth in claim 1, wherein: the inner walls of the electric heating tube bodies (3) are coated with silicon carbide coatings (7).
3. The bundled explosion-proof electrical heating tube as set forth in claim 1, wherein: a protective cover (13) is adhered to the outer wall of one side of the flange plate (4), and one end of the protective cover (13) is tightly attached to the outer wall of the electric heating tube body (3).
4. The bundled explosion-proof electrical heating tube as set forth in claim 1, wherein: the inside of ring flange (4) all is provided with equidistant bolt (14), and the one end of bolt (14) is connected with power head (1).
5. The bundled explosion-proof electrical heating tube as set forth in claim 1, wherein: equidistant round holes are formed in the edge positions of the inner part of the flange plate (4).
6. The bundled explosion-proof electrical heating tube as set forth in claim 4, wherein: epoxy resin (15) is filled between the flange plates (4) on two sides of the bolt (14) and the power supply head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915091.6U CN220234998U (en) | 2023-04-21 | 2023-04-21 | Bundling type explosion-proof electric heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915091.6U CN220234998U (en) | 2023-04-21 | 2023-04-21 | Bundling type explosion-proof electric heating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220234998U true CN220234998U (en) | 2023-12-22 |
Family
ID=89179643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320915091.6U Active CN220234998U (en) | 2023-04-21 | 2023-04-21 | Bundling type explosion-proof electric heating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220234998U (en) |
-
2023
- 2023-04-21 CN CN202320915091.6U patent/CN220234998U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |