CN203761604U - Electrothermal tube for heating furnace - Google Patents
Electrothermal tube for heating furnace Download PDFInfo
- Publication number
- CN203761604U CN203761604U CN201320876319.1U CN201320876319U CN203761604U CN 203761604 U CN203761604 U CN 203761604U CN 201320876319 U CN201320876319 U CN 201320876319U CN 203761604 U CN203761604 U CN 203761604U
- Authority
- CN
- China
- Prior art keywords
- electrothermal tube
- supporting disk
- heating
- heating furnace
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model provides an electrothermal tube for a heating furnace, comprising a tubular body, which is characterized by further comprising a supporting rod penetrated in the tubular body and disposed coaxially with the tubular body. An electrothermal body is fixed on the supporting rod, the electrothermal body includes a plurality of supporting plates and a plurality of heating wires, the supporting plates are sequentially fixed on the supporting rod in the axial direction of the supporting rod, the supporting plates are provided with a plurality of through holes, the heating wires are sequentially passed through the through holes to be arranged on the supporting plates, the heating wires comprise a plurality of segments which have U-shaped cross sections and are axially arranged, and the ends of segments are welded in series. In use, the electrothermal tube has advantages of no barrier existing between the heating wires and a furnace chamber, small temperature difference, and good heat dissipation effect. As the heating wires adopt the plurality of segments with U-shaped cross-sections and axially arranged, and the ends of the heating wires are welded in series, so that the service life of the electrothermal tube is long.
Description
Technical field
The utility model relates to a kind of heat treated heating furnace electrothermal tube, relates in particular to a kind of electrothermal tube of good heat dissipation.
Background technology
In industry heat treatment, heating furnace is realized heating with the most of gaseous fuel that adopts electric energy or high-quality of heating tube, and the efficiency of electric energy heating is higher than gaseous fuel heating, is more and more used.Existing electrothermal tube heating main body is mainly made up of outer tube and the high-resistance electrothermic alloy silk or the alloy band that are located in outer tube, B alloy wire or the heating of alloy band under "on" position, heat conducts heat and is radiated in burner hearth through outer tube, and then burner hearth is heated, this design makes can form the temperature difference between heating wire in outer tube and burner hearth, conduct to heat in burner hearth because the isolation of outer tube causes a large amount of losses, radiating effect is poor, and heat utilization ratio is low.
Summary of the invention
In order to solve the deficiency in background technology, the purpose of this utility model is to overcome the defect of background technology, and a kind of heating furnace electrothermal tube of good heat dissipation is provided.
For achieving the above object, the technical solution adopted in the utility model is: a kind of heating furnace electrothermal tube, comprise body, it is characterized in that: its also comprise be located in described body and with the support stick of its coaxial setting, on described support stick, be fixed with electric heating element, described electric heating element comprises several supporting disks and heating wire, each described supporting disk is axially fixed on support stick successively along support stick, on described supporting disk, all offer several through holes, described heating wire is arranged on supporting disk through described through hole successively, described heating wire comprises that cross section is " U " font and axially-aligned end weld some sections of compositions that are cascaded.
In preferred embodiment of the utility model, further comprise one end sealing of described body, the other end is provided with two electrode bars, and it is outside that body is stretched out in one end of described electrode bar, and the two ends that are located in after all described heating wire series connection on each described supporting disk are electrically connected with electrode bar described in two respectively.
In preferred embodiment of the utility model, further comprise on described supporting disk the through hole described in several that offers along its circumference equal angles interval, the hole heart line of each through hole is positioned on the same circumference of described supporting disk.
In preferred embodiment of the utility model, further comprise that the number of described through hole is no less than 16.
In preferred embodiment of the utility model, further comprise that described body is also provided with heat-insulation layer near one end of electrode bar.
In preferred embodiment of the utility model, further comprise that described heating wire is resistance wire.
Usefulness of the present utility model is: a kind of heating furnace electrothermal tube of the present utility model, in use between heating wire and burner hearth without barrier, have a narrow range of temperature, good heat dissipation effect; Heating wire adopts that some sections of cross sections are " U " font and axially-aligned end welding to be in series, long service life.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the cross sectional representation of supporting disk in Fig. 1.
In figure: 2, body, 4, support stick, 6, supporting disk, 8, heating wire, 10, through hole, 12, electrode bar, 14, heat-insulation layer.
Embodiment
In order to make those skilled in the art person understand better the utility model scheme, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the utility model is described in further detail.
As shown in Figure 1-2, a kind of heating furnace electrothermal tube, comprise body 2, be located in body 2 and with the support stick 4 of its coaxial setting, on support stick 4, be fixed with electric heating element, wherein, electric heating element comprises several supporting disks 6 and heating wire 8, each supporting disk 6 is axially fixed on support stick 4 successively along support stick 4, on supporting disk 6 is axial, all offer several through holes 10, heating wire 8 is arranged on supporting disk 6 through through hole 10 successively, and heating wire 8 comprises that cross section is " U " font and axially-aligned end weld some sections of compositions that are cascaded.In use between heating wire 8 and burner hearth without barrier, have a narrow range of temperature, good heat dissipation effect; Heating wire 8 adopts that some sections of cross sections are " U " font and axially-aligned end welding to be in series, long service life.
As further improvement of the utility model, one end sealing of described body 2, the other end is provided with two electrode bars 12, and it is outside that body 2 is stretched out in one end of electrode bar 12, and the two ends that are located in after all heating wire 8 series connection on each supporting disk 6 are electrically connected with two electrode bars 12 respectively.
As further improvement of the utility model, on described supporting disk 6, along several through holes 10 that offers at its circumference equal angles interval, the hole heart line of each through hole 10 is positioned on the same circumference of supporting disk 6.
As further improvement of the utility model, the number of described through hole 10 is no less than 16, through through hole 10,16 heating wire 8 at least can be set, and caloric value is large.
As further improvement of the utility model, described body 2 is also provided with heat-insulation layer 14 near one end of electrode bar, further extends the useful life of electrothermal tube.
As further improvement of the utility model, described heating wire 8 is the resistance wire of nickel chromium triangle material or ferrum-chromium-aluminum material, and power saving environmental protection, cost performance are high.
Above-described embodiment is preferably execution mode of the utility model; but execution mode of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify and all should be equivalent substitute mode, within being included in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range that claim was defined.
Claims (6)
1. a heating furnace electrothermal tube, comprise body, it is characterized in that: its also comprise be located in described body and with the support stick of its coaxial setting, on described support stick, be fixed with electric heating element, described electric heating element comprises several supporting disks and heating wire, each described supporting disk is axially fixed on support stick successively along support stick, on described supporting disk, all offer several through holes, described heating wire is arranged on supporting disk through described through hole successively, described heating wire comprises that cross section is " U " font and axially-aligned end weld some sections of compositions that are cascaded.
2. a kind of heating furnace electrothermal tube according to claim 1, it is characterized in that: one end sealing of described body, the other end is provided with two electrode bars, it is outside that body is stretched out in one end of described electrode bar, and the two ends that are located in after all described heating wire series connection on each described supporting disk are electrically connected with electrode bar described in two respectively.
3. a kind of heating furnace electrothermal tube according to claim 2, is characterized in that: on described supporting disk, along the through hole described in several that offers at its circumference equal angles interval, the hole heart line of each through hole is positioned on the same circumference of described supporting disk.
4. a kind of heating furnace electrothermal tube according to claim 3, is characterized in that: the number of described through hole is no less than 16.
5. a kind of heating furnace electrothermal tube according to claim 4, is characterized in that: described body is also provided with heat-insulation layer near one end of electrode bar.
6. a kind of heating furnace electrothermal tube according to claim 1, is characterized in that: described heating wire is resistance wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876319.1U CN203761604U (en) | 2013-12-30 | 2013-12-30 | Electrothermal tube for heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876319.1U CN203761604U (en) | 2013-12-30 | 2013-12-30 | Electrothermal tube for heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761604U true CN203761604U (en) | 2014-08-06 |
Family
ID=51256831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320876319.1U Expired - Fee Related CN203761604U (en) | 2013-12-30 | 2013-12-30 | Electrothermal tube for heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747547A (en) * | 2013-12-30 | 2014-04-23 | 苏州市层燃炉窑科技有限公司 | Electrical heated tube for heating furnace |
-
2013
- 2013-12-30 CN CN201320876319.1U patent/CN203761604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747547A (en) * | 2013-12-30 | 2014-04-23 | 苏州市层燃炉窑科技有限公司 | Electrical heated tube for heating furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207897167U (en) | A kind of industrial resistance furnace electricity consumption heating radiation pipe | |
| CN202918524U (en) | Composite-type electric heating tube | |
| CN102769942A (en) | Radiant tube for industrial furnace | |
| CN103747547A (en) | Electrical heated tube for heating furnace | |
| CN202206569U (en) | Rapid heating-up ceramic heating rod | |
| CN203761604U (en) | Electrothermal tube for heating furnace | |
| CN201403216Y (en) | Big-fin electrical heater | |
| CN201319675Y (en) | PTC ceramic tubular electric heating element | |
| CN105323881A (en) | Improved heating element | |
| CN200947679Y (en) | Explosion-proof electric heater with dual-helix structure | |
| CN204031487U (en) | A kind of heating element of improvement | |
| CN208285575U (en) | 700 kilograms of holding furnace resistance wire heating bars | |
| CN202059607U (en) | Radiant tube used for industrial furnace | |
| CN202796866U (en) | Infrared heating lamp | |
| CN1937858A (en) | Corrosion-resistance electric heating device | |
| CN202334958U (en) | High-temperature vacuum-furnace heater | |
| CN201256455Y (en) | Long life type electric heating element | |
| CN201044517Y (en) | Bandlet carbon fiber spiral electro-heat core energy-saving quartz electric heating tube | |
| CN202210874U (en) | Porcelain heating bar capable of raising temperature fast | |
| CN204069377U (en) | Air conditioner electric heat pipe | |
| CN201813565U (en) | High-efficiency electric heating air heater | |
| CN205026787U (en) | Electric heating furnace | |
| CN203279220U (en) | A far-infrared heating pipe and a heating and drying apparatus | |
| CN200976681Y (en) | High-frequency welding helical fin heating pipe | |
| CN219222371U (en) | Fin tube steam generator hearth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |