CN206061185U - A kind of Mini electric radial canal - Google Patents
A kind of Mini electric radial canal Download PDFInfo
- Publication number
- CN206061185U CN206061185U CN201620979299.4U CN201620979299U CN206061185U CN 206061185 U CN206061185 U CN 206061185U CN 201620979299 U CN201620979299 U CN 201620979299U CN 206061185 U CN206061185 U CN 206061185U
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- Prior art keywords
- radial canal
- ceramic
- mini electric
- rod
- ceramic rod
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Abstract
The utility model proposes a kind of Mini electric radial canal, which includes shell, with the flange of cage connection, electrode lead-out rod, soaking zone and many ceramic rods are provided with inside radial canal, ceramic rod is fixed in radial canal by ceramic collar, and the surface of the ceramic rod scribbles magnesium oxide coating and silica sol layer, and resistance wire is wrapped on ceramic rod.Mini electric radial canal of the present utility model, can be directly connected to industrial three-phase electricity, and small product size is little, save installing space；Low manufacture cost and heating power can be greatly improved, the higher industrial electrical heating application of Applicable temperature.
Description
Technical field
This utility model is related to industrial electro technical field of heating, more particularly to a kind of Mini electric radial canal.
Background technology
In current industrial electro technical field of heating, such as, industrial furnace heating art generally uses the electricity of U-shaped construction
Heater, as shown in figure 1, electrical heating wire 12 is placed in U-tube, eduction rod 14 is connected with electrical heating wire 12, is filled inside U-tube
Magnesium oxide fixing electrical heating wire and separate electrical heating wire with U-tube wall, bear by the unit that can be born under this heating tube high temperature
Carry relatively low, relative volume is larger, compare the installing space taken in electric furnace, with the rising of temperature, the heat conductivity meeting of magnesium oxide
It is deteriorated, heating-up temperature is often less than 600 DEG C；In addition, at high temperature by long-term use after, magnesium oxide can absorb the metal of tube wall
Composition, easily punctures, and can cause electrical heating wire with the short circuit of U-tube wall.
Utility model content
For the defect that U-shaped electrically heated rod in prior art is present, the purpose of this utility model is to provide a kind of micro electric
Heating radiation pipe, small volume, low manufacture cost and energy consumption is little and can be suitable for high-temperature heating.
To reach the purpose of this utility model, Mini electric radial canal of the present utility model includes shell, connects with shell
The flange for connecing, electrode lead-out rod are provided with soaking zone and many ceramic rods inside radial canal, ceramic rod is fixed by ceramic collar
In radial canal, the surface of the ceramic rod scribbles magnesium oxide coating and silica sol layer, and resistance wire is wrapped on ceramic rod.
Preferably, the thickness of the magnesium oxide coating is 0.1～0.2mm.
Further preferably, a diameter of 8～10mm of the ceramic rod.
Further preferably, the ceramic rod is three or the six roots of sensation.
Further preferably, the resistance wire being wrapped on many ceramic rods is delta connection or wye connection.
The beneficial effects of the utility model are that the Mini electric radial canal, small product size are little, save installing space；
Low manufacture cost and heating power can be greatly improved, the higher industrial electrical heating application of Applicable temperature.
Description of the drawings
By detailed description below in conjunction with the accompanying drawings, the aforesaid and other objects, features and advantages of this utility model will
Become apparent.Wherein：
Fig. 1 show the structural representation of the U-shaped heater of prior art；
Fig. 2 show the structural representation of the Mini electric radial canal of an embodiment of the present utility model；
Fig. 2A show the A-A cross-sectional views of Fig. 2；
Fig. 2 B show the B-B cross-section structure enlarged diagrams of Fig. 2；
Fig. 2 C show the C-C of Fig. 2 to cross-section structure enlarged diagram；
Fig. 2 D show the D enlarged schematic partial views of Fig. 2.
Specific embodiment
The structural representation of the Mini electric radial canal of the present utility model with reference to shown in Fig. 2, Fig. 2A, Fig. 2 B and Fig. 2 D
Figure, the Mini electric radial canal include shell 20, the flange 30 being connected with shell 20, electrode lead-out rod 32, in radial canal
Portion is provided with soaking zone 22 and many ceramic rods 24, and ceramic rod 24 is fixed in radial canal by ceramic collar 26, the ceramics
The surface of rod 24 scribbles magnesium oxide coating and silica sol layer, and resistance wire 25 is wrapped on ceramic rod 24.
One preferred embodiment in, the thickness of the magnesium oxide coating is 0.1～0.2mm, the ceramic rod it is straight
Footpath is 8～10mm.
In another preferred embodiment, the ceramic rod be three or the six roots of sensation, it is described be wrapped on ceramic rod it is many
Individual resistance wire is delta connection or wye connection；As Fig. 2 C show schematic diagram of the resistance wire using delta connection.
Mini electric radial canal of the present utility model, arranges many ceramic rods in pipe inside the shell, first applies on ceramic rod
Magnesium oxide and Ludox coating are smeared, then winds resistance wire, in high temperature, resistance wire can be tightly fastened with ceramic rod by Ludox
Together, very thin magnesium oxide coating also can guarantee that good heat-conducting effect, and because magnesium oxide and radial canal at high temperature
Wall does not contact the breakdown problem of metal that will not occur that magnesium oxide absorbs tube wall completely；In addition, this radial canal can be direct
The three-phase electricity of Joining Technology, without the need for matching transformer；Heating power significantly can increase, and radial canal can realize 900～
1000 DEG C of heating-up temperature.
The diameter of the ceramic rod in radial canal only has 8～10mm, and the volume of whole radial canal is also very little, can save stove
Interior installing space.
This utility model is not limited to described embodiment, and those skilled in the art is without departing from of the present utility model
Spirit is disclosed in scope, can still be made some amendments or be changed, therefore rights protection scope of the present utility model is with claims
The scope of restriction is defined.
Claims (5)
1. a kind of Mini electric radial canal, it is characterised in that the radial canal includes shell, the flange with cage connection, electricity
Pole eduction rod, is provided with soaking zone and many ceramic rods inside radial canal, ceramic rod is fixed in radial canal by ceramic collar,
The surface of the ceramic rod scribbles magnesium oxide coating and silica sol layer, and resistance wire is wrapped on ceramic rod.
2. a kind of Mini electric radial canal as claimed in claim 1, it is characterised in that the thickness of the magnesium oxide coating is
0.1～0.2mm.
3. a kind of Mini electric radial canal as claimed in claim 1, it is characterised in that a diameter of the 8 of the ceramic rod～
10mm。
4. a kind of Mini electric radial canal as claimed in claim 1, it is characterised in that the ceramic rod is three or six
Root.
5. a kind of Mini electric radial canal as claimed in claim 1, it is characterised in that described to be wrapped on many ceramic rods
Resistance wire be delta connection or wye connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979299.4U CN206061185U (en) | 2016-08-27 | 2016-08-27 | A kind of Mini electric radial canal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620979299.4U CN206061185U (en) | 2016-08-27 | 2016-08-27 | A kind of Mini electric radial canal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206061185U true CN206061185U (en) | 2017-03-29 |
Family
ID=58377979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620979299.4U Active CN206061185U (en) | 2016-08-27 | 2016-08-27 | A kind of Mini electric radial canal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206061185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162961A (en) * | 2016-08-27 | 2016-11-23 | 江苏金达电热电器有限公司 | A kind of Mini electric radial canal |
-
2016
- 2016-08-27 CN CN201620979299.4U patent/CN206061185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162961A (en) * | 2016-08-27 | 2016-11-23 | 江苏金达电热电器有限公司 | A kind of Mini electric radial canal |
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