CN211909204U - W-shaped silicon carbide rod - Google Patents
W-shaped silicon carbide rod Download PDFInfo
- Publication number
- CN211909204U CN211909204U CN201922157050.1U CN201922157050U CN211909204U CN 211909204 U CN211909204 U CN 211909204U CN 201922157050 U CN201922157050 U CN 201922157050U CN 211909204 U CN211909204 U CN 211909204U
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- Prior art keywords
- barred body
- silicon carbide
- spiral
- fastener
- double
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 238000002788 crimping Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 13
- 238000012546 transfer Methods 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 powder metallurgy Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a W shape elema, including the axis along the connection barred body of controlling the direction extension, left barred body, well barred body and right barred body have been seted up side by side along controlling the direction interval on the connection barred body, left side barred body, well barred body and right barred body are two screw shape cylinders, and two screw shape cylinders include the upper end and the cylindricality section that the connection barred body links to each other, and the lower tip of cylindricality section is connected with two coaxial hot spot spiral pipes, and the lower tip of hot spot spiral pipe is the column cold junction of connecting power supply conductor. The utility model has large heating area, high heat transfer efficiency and energy-saving effect; the lead clamp is matched with the circular flange in a stop way, so that the silicon carbide rod is prevented from cracking due to over-tight clamping of the lead clamp, and the problems that the lead clamp is too loose and unstable in electric conduction and is easy to fall off are prevented; the double-helix cylinder can guarantee structural strength while guaranteeing the heat-generating efficiency, and the cross section of heat portion spiral pipe is circular, not only can guarantee that each direction is heated evenly, guarantees that the high efficiency radiates the heat evenly in to the surrounding environment.
Description
Technical Field
The utility model relates to a technical field is equipped in the tunnel construction, especially indicates a W shape elema.
Background
The silicon carbide rod is a rod-shaped or tubular non-metal high-temperature electric heating element which is prepared by processing high-purity green hexagonal silicon carbide serving as a main raw material according to a certain material ratio to prepare a blank, and carrying out high-temperature silicification at 2200 ℃ and recrystallization sintering. Because the silicon carbide rod has high service temperature, the silicon carbide rod has the characteristics of high temperature resistance, oxidation resistance, corrosion resistance, quick temperature rise, long service life, small high-temperature deformation, convenience in installation and maintenance and the like, and has good chemical stability. The temperature controller is matched with an automatic electric control system, can obtain accurate constant temperature, and can automatically adjust the temperature according to the requirements of the production process. The silicon carbide rod is used for heating, so that the heating is convenient, safe and reliable. The electric heating element is widely applied to the high-temperature fields of electronics, magnetic materials, powder metallurgy, ceramics, glass, semiconductors, analytical tests, scientific research and the like, and becomes an electric heating element of tunnel kilns, roller kilns, glass kilns, vacuum furnaces, muffle furnaces, smelting furnaces and various heating devices.
Wherein comparatively common elema is W shape elema, and W shape elema includes that the axis is along the connection barred body that left side barred body, well barred body and right barred body have been seted up side by side to left side direction interval on the connection barred body, and the axis of left, well, right barred body all extends along the fore-and-aft direction, and left, well, right barred body all includes cold junction part and hot junction part that sets up from beginning to end, the cold junction part is connected power supply conductor. The W-shaped silicon carbide rod has a large heating area relative to the straight silicon carbide rod, so that the heating is fast because the silicon carbide rod has a large overall size and does not play a role in structural improvement, so that the heating rate per unit volume is the same. How to improve the heating efficiency of the monomer volume of the W-shaped silicon carbide rod is a big problem at present.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned background art, the utility model provides a W shape elema has solved the technical problem of the inefficiency that generates heat of W shape elema monomer volume.
The technical scheme of the utility model is realized like this: the utility model provides a W shape elema, includes the connecting rod body that the axis extends along left right direction, has seted up left barred body, well barred body and right barred body on the connecting rod body side by side along left right direction interval, left side barred body, well barred body and right barred body are double helix shape cylinder, and double helix shape cylinder includes the upper end and the cylindricality section that the connecting rod body links to each other, and the lower tip of cylindricality section is connected with two coaxial hot portion spiral pipes, and the lower tip of hot portion spiral pipe is the column cold junction of connecting power supply conductor.
Furthermore, the cross section of the spiral pipe of the hot part is circular, and the circular cross section area not only can ensure that all directions are heated uniformly, thereby prolonging the service life, but also can ensure high-efficiency uniform heat conduction and uniformly radiate heat to the surrounding environment.
Further, the column cold junction is the same with the radial size of heat portion spiral pipe, and the column cold junction of two heat portion spiral pipe below of same double helix shape cylinder is independent each other.
Furthermore, the bottom end of the columnar cold end is provided with a stop flange, two stop flanges of the same double-spiral cylinder form a circular flange with the radius larger than the section radius of the double-spiral cylinder, and a guide wire clamp is sleeved on the circular flange in a stop manner.
Furthermore, the edge of the stopping flange is smooth and round, so that the stopping flange can be prevented from cracking caused by uneven heating in the heat transfer and change processes.
Further, the wire clamp comprises a left wire clamp and a right wire clamp, the left wire clamp and the right wire clamp respectively comprise a middle arc section and connecting sections at two ends of the arc section, fixing holes corresponding to each other are formed in the connecting sections of the left wire clamp and the right wire clamp, the left wire clamp and the right wire clamp are fixedly connected through bolt sets matched with the fixing holes, and conducting strips connected with a power supply are pressed on the bolt sets.
The utility model provides a W shape elema has solved the technical problem of the inefficiency that generates heat of W shape elema monomer volume, and beneficial effect for prior art is:
1) the utility model has large heating area, high heat transfer efficiency and energy-saving effect;
2) the lead clamp is matched with the circular flange in a stop way, so that the silicon carbide rod can be reasonably clamped due to expansion caused by heat and contraction caused by cold of the silicon carbide rod, the silicon carbide rod can be prevented from cracking due to over-tight clamping of the lead clamp, and the problems that the lead clamp is over-loose and unstable in electric conduction and is easy to fall off are prevented;
3) the double helix shape cylinder can guarantee structural strength when guaranteeing the heating efficiency, and the cross section of heat portion spiral pipe is circular, and circular shape cross-sectional area not only can guarantee that each direction is heated evenly, and then increase of service life can guarantee high-efficient even heat conduction moreover, can radiate the heat evenly in to the surrounding environment.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
A W-shaped silicon carbide rod comprises a connecting rod body 1 with an axis extending along the left-right direction, wherein a left rod body 2, a middle rod body 3 and a right rod body 4 are arranged on the connecting rod body 1 in parallel at intervals along the left-right direction, and the connecting rod body 1 is connected with the left rod body 2, the middle rod body 3 and the right rod body 4 in a sintering way. Connecting rod 1 is solid main part, and left side rod 2, well rod 3 and right rod 4 are double helix shape cylinder, and connection structure intensity can be guaranteed to solid connecting rod 1.
The double-helix cylinder comprises a cylindrical section 5 with the upper end connected with the connecting rod body 1, the lower end of the cylindrical section 5 is connected with two coaxial heat-part spiral pipes 6, the two coaxial heat-part spiral pipes 6 are sleeved with each other to form a spiral hollow cylinder, the heating area is large, the heat transfer efficiency is high, and the double-helix cylinder has an energy-saving effect.
Further, the cross section of the hot part spiral pipe 6 is circular, and the circular cross section area can not only ensure that all directions are uniformly heated, thereby prolonging the service life, but also ensure high-efficiency uniform heat conduction and uniformly radiate heat to the surrounding environment.
As shown in fig. 2, the lower tip of heat portion spiral pipe 6 is the column cold junction 7 of connecting power supply conductor, and column cold junction 7 is the same with heat portion spiral pipe 6 radial dimension, and two heat portion spiral pipes 6 below of same two spiral shape cylinders's column cold junction 7 mutual independence makes the elema at cold and hot deformation in-process, and two heat portion spiral pipes 6 not only can the axial stretch out and draw back the deformation, can radially stretch out and draw back the deformation moreover, has fully guaranteed life.
Further, the bottom end of the columnar cold end 7 is provided with a stop flange 71, two stop flanges 71 of the same double-spiral cylinder form a circular flange with a radius larger than the section radius of the double-spiral cylinder, and a wire clamp 8 is stopped and sleeved on the circular flange. The edge of the stopping flange 71 is smooth and arc-shaped, so that the stopping flange 71 can be prevented from cracking caused by uneven heating in the heat transfer and change processes.
The lead clamp 8 comprises a left clamp 81 and a right clamp 82, the left clamp 81 and the right clamp 82 both comprise an arc section 83 in the middle and connecting sections 84 at two ends of the arc section 83, and two columnar cold ends 7 of the same double-spiral cylinder are clamped in the left clamp 81 and the right clamp 82. The connecting section 84 of the left wire clamp 81 and the right wire clamp 82 is provided with fixing holes corresponding to each other, the left wire clamp 81 and the right wire clamp 82 are fixedly connected through a bolt group 9 matched with the fixing holes, and a conducting strip connected with a power supply is pressed on the bolt group 9.
The present invention is not exhaustive and is well known to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a W shape elema, includes that the axis is along connecting excellent (1) that left right direction extended, left excellent (2), well excellent (3) and right excellent (4), its characterized in that have been seted up side by side along left right direction interval on connecting excellent (1): the left rod body (2), the middle rod body (3) and the right rod body (4) are double-spiral cylinders, each double-spiral cylinder comprises a cylindrical section (5) with the upper end connected with the connecting rod body (1), the lower end of each cylindrical section (5) is connected with two coaxial heat portion spiral pipes (6), and the lower end of each heat portion spiral pipe (6) is a columnar cold end (7) connected with a power supply conductor.
2. The W-shaped silicon carbide rod according to claim 1, wherein: the cross section of the hot part spiral pipe (6) is circular.
3. The W-shaped silicon carbide rod according to claim 2, wherein: the column cold end (7) is the same with the radial dimension of the heat portion spiral pipe (6), and the column cold ends (7) below the two heat portion spiral pipes (6) of the same double-helix cylinder are mutually independent.
4. A W-shaped silicon carbide rod according to any one of claims 1 to 3, wherein: the bottom end of the columnar cold end (7) is provided with a stop flange (71), two stop flanges (71) of the same double-spiral cylinder form a circular flange with the radius larger than the section radius of the double-spiral cylinder, and a wire clamp (8) is sleeved on the circular flange in a stop manner.
5. The W-shaped silicon carbide rod according to claim 4, wherein: the edge of the stop flange (71) is in a smooth arc shape.
6. The W-shaped silicon carbide rod according to claim 5, wherein: wire clamp (8) are including left fastener (81) and right fastener (82), and left fastener (81) and right fastener (82) all include middle segmental arc (83) and segmental arc (83) both ends linkage segment (84), set up the fixed orifices of mutual correspondence on the segmental arc (84) of left fastener (81) and right fastener (82), and left fastener (81) and right fastener (82) are through bolt group (9) fixed connection with fixed orifices complex, and bolt group (9) crimping has the conducting strip that links to each other with the power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922157050.1U CN211909204U (en) | 2019-12-05 | 2019-12-05 | W-shaped silicon carbide rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922157050.1U CN211909204U (en) | 2019-12-05 | 2019-12-05 | W-shaped silicon carbide rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211909204U true CN211909204U (en) | 2020-11-10 |
Family
ID=73299291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922157050.1U Expired - Fee Related CN211909204U (en) | 2019-12-05 | 2019-12-05 | W-shaped silicon carbide rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211909204U (en) |
-
2019
- 2019-12-05 CN CN201922157050.1U patent/CN211909204U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |