CN213755011U - Improved transition connection structure of hollow resistance heating pipe - Google Patents
Improved transition connection structure of hollow resistance heating pipe Download PDFInfo
- Publication number
- CN213755011U CN213755011U CN202023313589.0U CN202023313589U CN213755011U CN 213755011 U CN213755011 U CN 213755011U CN 202023313589 U CN202023313589 U CN 202023313589U CN 213755011 U CN213755011 U CN 213755011U
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- Prior art keywords
- resistance heating
- heating pipe
- ceramic
- hollow resistance
- electrode tube
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 46
- 230000007704 transition Effects 0.000 title claims description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims description 7
- 125000003003 spiro group Chemical group 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003566 sealing material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an improve hollow resistance heating pipe transitional coupling structure, including drawing forth the electrode tube, the upper end outer wall spiro union of drawing forth the electrode tube has lock nut, and ceramic cover is still installed to the outer wall of drawing forth the electrode tube, and the flange board is installed to the outer wall of ceramic cover, installs ceramic fiber gasket between the upper and lower both ends of flange board and the ceramic cover, and the metal covering is installed to the lower extreme of drawing forth the electrode tube, installs ceramic ring between metal covering and the lower extreme ceramic fiber gasket, and the bottom welding of drawing forth the electrode tube has hollow resistance heating pipe. The utility model provides a gas of ordinary flange board one side can pass to one side in addition through the ceramic sheathing clearance, causes a lot of potential safety hazards, in addition, flange board and the sealed collection department of ceramic sheathing because hollow resistance heating pipe generates heat great, and high temperature also influences the problem of its leakproofness.
Description
Technical Field
The utility model relates to a hollow resistance heating pipe connects technical field, specifically is an improve hollow resistance heating pipe transitional coupling structure.
Background
The electric heating element is generally used for aviation high-temperature and high-voltage test working conditions, the hollow resistance heating tube is adopted as the heating element, the material of the hollow resistance heating tube is generally GH3030, the current-carrying sectional area of the electric heating tube is far larger than that of the electric heating tube in the traditional form, and the electric heating tube can bear large current and higher temperature.
However, the electric heater in the form has the condition that the sealing between the electrified hollow resistance heating pipe and the flange plate is poor, and the gas on one side of the flange plate can be transmitted to the other side through the gap of the ceramic sleeve, so that a plurality of potential safety hazards are caused, and the electric heater is particularly obvious when flammable and explosive media are heated. In addition, the sealing assembly of the flange plate and the ceramic sleeve has large heat generation of the hollow resistance heating pipe, and the sealing performance of the hollow resistance heating pipe is also influenced by high temperature. Therefore, an improved transition connection structure of the hollow resistance heating pipe and an installation method thereof are designed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an improve hollow resistance heating pipe transitional coupling structure and mounting method thereof, the gas of having solved ordinary flange board one side can pass to one side in addition through the ceramic sheathing clearance, causes a lot of potential safety hazards, in addition, flange board and the sealed collection department of ceramic sheathing because hollow resistance heating pipe generates heat great, and high temperature also influences the problem of its leakproofness.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides an improve hollow resistance heating pipe transitional coupling structure, includes the extraction electrode pipe, the upper end outer wall spiro union of extraction electrode pipe has lock nut, the ceramic cover is still installed to the outer wall of extraction electrode pipe, the flange board is installed to the outer wall of ceramic cover, install the ceramic fibre gasket between the upper and lower both ends of flange board and the ceramic cover, the metal covering is installed to the lower extreme of extraction electrode pipe, install ceramic ring between metal covering and the lower extreme ceramic fibre gasket, the bottom welding of extraction electrode pipe has the hollow resistance heating pipe.
According to the improved transition connection structure of the hollow resistance heating pipe, the upper end of the leading-out electrode pipe is provided with the external thread, and the external thread is in threaded fastening connection with the locking nut in a matched mode.
According to the improved transition connection structure of the hollow resistance heating pipe, the lower end of the leading-out electrode pipe is provided with the protrusion, and the ceramic ring is arranged at the top of the protrusion.
In the transition connection structure of the improved hollow resistance heating pipe, the metal sleeve is arranged in an annular step shape, and the ceramic ring is sleeved on the outer wall of the metal sleeve.
According to the improved transition connection structure of the hollow resistance heating pipe, the leading-out electrode pipe and the hollow resistance heating pipe are both of cylindrical structures with the same diameter.
The type of the hollow resistance heating pipe is GH 3030.
In the transition connection structure of the improved hollow resistance heating pipe, the connection position of the hoisting pull rod and the bottom of the second shielding block is connected by welding.
According to the transition connection structure of the improved hollow resistance heating pipe, the wiring copper bar is tightly connected with the heating pipe and the leading-out rod through the nuts.
The utility model has the advantages that: the device firstly cuts off the hollow resistance heating pipe before penetrating through the flange plate, and uses the leading-out electrode pipe with smaller resistance for welding transition, because the electrical resistivity of the leading-out electrode pipe is smaller, and the current-carrying sectional area can also be made larger, the heat emitted by the leading-out electrode pipe after being electrified is very small, the influence on the sealing material is also obviously reduced, and then the leading-out electrode pipe is fixed by adopting a thread locking mode, a ceramic sleeve and a ceramic fiber gasket can be better sealed with the flange plate, the sealing of the hollow resistance heating pipe and the flange plate is solved after the method is adopted, and the potential safety hazard is eliminated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a connection structure of an extraction electrode tube and a hollow resistance heating tube.
In the figure: 1. the device comprises a leading-out electrode tube 2, a locking nut 3, a ceramic sleeve 4, a ceramic fiber gasket 5, a flange plate 6, a ceramic ring 7, a metal sleeve 8 and a hollow resistance heating tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in 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.
Referring to FIGS. 1-2: the utility model provides an improve hollow resistance heating pipe transitional coupling structure, includes and draws forth electrode pipe (1), is provided with external screw thread (101) in the upper end of drawing forth electrode pipe (1), external screw thread (101) and lock nut (2) cooperate screw thread fastening connection, the upper end outer wall spiro union of drawing forth electrode pipe (1) has lock nut (2), ceramic cover (3) are still installed to the outer wall of drawing forth electrode pipe (1), flange board (5) are installed to the outer wall of ceramic cover (3), install ceramic fiber gasket (4) between the upper and lower both ends of flange board (5) and ceramic cover (3), metal covering (7) are installed to the lower extreme of drawing forth electrode pipe (1), install ceramic ring (6) between metal covering (7) and lower extreme ceramic fiber gasket (4), draw forth electrode pipe (1) lower extreme and be provided with arch (102), and ceramic ring (6) are installed at the top of arch (102), the metal sleeve (7) is arranged in an annular step shape, the ceramic ring (6) is sleeved on the outer wall of the metal sleeve (7), the hollow resistance heating pipe (8) is welded at the bottom of the leading-out electrode pipe (1), the leading-out electrode pipe (1) and the hollow resistance heating pipe (8) are both of cylindrical structures with the same diameter, and the hollow resistance heating pipe (8) is GH3030 in model number.
To sum up, the utility model discloses when using, this device is at first cut hollow resistance heating pipe 8 before passing flange board 5, draw forth electrode pipe 1 with the resistance is littleer and come the welding transition, because the resistivity of drawing forth electrode pipe 1 is littleer, and its current-carrying sectional area also can be done bigger, so draw forth the heat that electrode pipe 1 sent after the circular telegram very little, also obviously reduce the influence of sealing material, secondly it is fixed to draw forth electrode pipe 1 and adopt 2 screw thread locking modes of lock nut, can seal up ceramic cover 3 and ceramic fiber gasket 4 is better with flange board 5, the sealing of hollow resistance heating pipe 8 with flange board 5 has been solved after adopting above-mentioned method, the potential safety hazard has been eliminated.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides an improve hollow resistance heating pipe transitional coupling structure, includes extraction electrode pipe (1), its characterized in that: the utility model discloses a lead out electrode tube (1), including the outer wall of the upper end of leading out electrode tube (1), the outer wall of leading out electrode tube (1) still installs ceramic cover (3), flange board (5) are installed to the outer wall of ceramic cover (3), install ceramic fiber gasket (4) between the upper and lower both ends of flange board (5) and ceramic cover (3), metal covering (7) are installed to the lower extreme of leading out electrode tube (1), install ceramic ring (6) between metal covering (7) and lower extreme ceramic fiber gasket (4), the bottom welding of leading out electrode tube (1) has hollow resistance heating pipe (8).
2. The improved transition connection structure of the hollow resistance heating pipe according to claim 1, wherein: the upper end of the leading-out electrode tube (1) is provided with an external thread (101), and the external thread (101) is in threaded fastening connection with the locking nut (2) in a matching manner.
3. The improved transition connection structure of the hollow resistance heating pipe according to claim 1, wherein: the lower end of the leading-out electrode tube (1) is provided with a bulge (102), and the ceramic ring (6) is arranged at the top of the bulge (102).
4. The improved transition connection structure of the hollow resistance heating pipe according to claim 1, wherein: the metal sleeve (7) is arranged in an annular step shape, and the ceramic ring (6) is sleeved on the outer wall of the metal sleeve (7).
5. The improved transition connection structure of the hollow resistance heating pipe according to claim 1, wherein: the leading-out electrode tube (1) and the hollow resistance heating tube (8) are both in cylindrical structures with the same diameter.
6. The improved transition connection structure of the hollow resistance heating pipe according to claim 1, wherein: the model of the hollow resistance heating pipe (8) is GH 3030.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023313589.0U CN213755011U (en) | 2020-12-31 | 2020-12-31 | Improved transition connection structure of hollow resistance heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023313589.0U CN213755011U (en) | 2020-12-31 | 2020-12-31 | Improved transition connection structure of hollow resistance heating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213755011U true CN213755011U (en) | 2021-07-20 |
Family
ID=76837288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023313589.0U Active CN213755011U (en) | 2020-12-31 | 2020-12-31 | Improved transition connection structure of hollow resistance heating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213755011U (en) |
-
2020
- 2020-12-31 CN CN202023313589.0U patent/CN213755011U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230329 Address after: 212100 in electromechanical Industrial Park, Zhenjiang New District, Jiangsu Province (Wufengshan Road, Dagang) Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 212100 in electromechanical Industrial Park, Zhenjiang New District, Jiangsu Province (Wufengshan Road, Dagang) Patentee before: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Oriental Ruiji Energy Equipment Co.,Ltd. Assignor: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Contract record no.: X2024320000007 Denomination of utility model: An improved transition connection structure for hollow resistance heating tubes Granted publication date: 20210720 License type: Common License Record date: 20240228 |
|
| EE01 | Entry into force of recordation of patent licensing contract |