CN203645842U - Turbine bolt electrical heater device - Google Patents
Turbine bolt electrical heater device Download PDFInfo
- Publication number
- CN203645842U CN203645842U CN201320880860.XU CN201320880860U CN203645842U CN 203645842 U CN203645842 U CN 203645842U CN 201320880860 U CN201320880860 U CN 201320880860U CN 203645842 U CN203645842 U CN 203645842U
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- heating
- resistor wire
- heater device
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Abstract
The utility model relates to the technical field of turbine bolt heating devices, and in particular relates to a turbine bolt electrical heater device. A resistor wire is arranged in a metal casing. A magnesium oxide filling layer is filled between the metal casing and the resistor wire. One end of the resistor wire is connected with a junction box. The junction box is connected with a gland through a fastening device. A handle is arranged on one end of the junction box. The resistor wire is made of OCr27A17Mo. The metal casing is made of 1Cr18Ni19Ti. According to the utility model, the resistor wire is made of OCr27A17Mo; the metal casing is made of 1Cr18Ni19Ti; a crystallization magnesium oxide filler is used as the filling layer which is formed through a compression process, which ensures uniform heating of an electric heating element, and avoids the phenomenon of local overheating; and the turbine bolt electrical heater device has the advantages of simple structure, easy operation and fast heating, can be applied to a heating cabinet, an oven and other equipment needing a heat source as an electric heat conversion element, and has a good effect.
Description
Technical field
The utility model relates to turbine bolt heating device technical field, refers in particular to a kind of turbine electric bolt heater device.
Background technology
Large-scale steam turbine and large-scale mechanical hollow bolt are installing and when maintenance, need to heat, pressure-bearing also needs electric heating when altering the large breechblock dismounting of device, existing electric heating equipment firing rate is slow, in use, often occur that heating is inhomogeneous, the phenomenon that occurs local overheating, affects dismounting, and existing heater complicated operation.
Therefore, design heating evenly for overcoming the deficiency of above-mentioned technology, there will not be local overheating phenomenon, firing rate is fast, a kind of turbine electric bolt heater device simple to operate, inventor's problem to be solved just.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of turbine electric bolt heater device, and it is simple in structure, easy to operate, and heating evenly, there will not be local overheating phenomenon, and firing rate is fast, has extraordinary practical value.
The utility model solves the technical scheme that its technical problem adopts: a kind of turbine electric bolt heater device, it is characterized in that: device comprises metal sleeve, magnesium oxide packed layer, resistance wire, end socket, fastener, terminal box, handle, in described metal sleeve, be provided with resistance wire, between metal sleeve and resistance wire, be filled with magnesium oxide packed layer, resistance wire one end is connected with terminal box, terminal box is connected with end socket by fastener, and terminal box one end is provided with handle.
Further, described resistance wire is OCr27A17Mo material.
Further, described metal sleeve is 1Cr18Ni19Ti material.
The utility model is compared and is had obvious advantage and beneficial effect in prior art, particularly, and as shown from the above technical solution:
The resistance wire of the utility model heater adopts OCr27A17Mo material, metal sleeve adopts 1Cr18Ni19Ti, crystal magnesium oxide powder filler is as packed layer, and compressed technique aftershaping forms, and has guaranteed electrical heating elements heating evenly, avoid occurring local overheating phenomenon, the letter of the utility model structure is answered, easy to operate, and heating is fast, this heater can also be used on heating cabinet, baking oven and other needs, on the equipment of thermal source, have extraordinary effect as a kind of electrothermal conversioning element simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model structural framing schematic diagram.
Accompanying drawing explanation: 1-metal sleeve; 2-magnesium oxide packed layer; 3-resistance wire; 4-end socket; 5-fastener; 6-terminal box; 7-handle.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model, should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values drop on application appended claims limited range equally.
Fig. 1 is a kind of turbine electric bolt heater of the utility model apparatus structure schematic diagram, device comprises metal sleeve 1, magnesium oxide packed layer 2, resistance wire 3, end socket 4, fastener 5, terminal box 6, handle 7, in described metal sleeve 1, be provided with resistance wire 3, between metal sleeve 1 and resistance wire 3, be filled with magnesium oxide packed layer 2, resistance wire 3 one end are connected with terminal box 6, terminal box 6 is connected with end socket 4 by fastener 5, terminal box 6 one end are provided with handle 7, resistance wire 3 is OCr27A17Mo material, and metallic sheath 1 pipe is 1Cr18Ni19Ti material.
Operation principle of the present utility model is the high temperature resistance silk 3 that distributes equably in resistant to elevated temperatures stainless steel metal sleeve pipe 1, insert densely all good magnesium oxide packed layers 2 of heat conductivility and insulation property in gap, this structure is not only advanced, the heat efficiency is high, and heating evenly, in the time having electric current to pass through in high temperature resistance silk 3, the heat producing is passed through crystal magnesium oxide powder to metal sleeve 1 diffusion into the surface, be delivered to again in heated object or air and go, reach the object of heating, the resistance wire 3 of the utility model heater adopts OCr27A17Mo material, metal sleeve 1 adopts 1Cr18Ni19Ti, crystal magnesium oxide powder filler is as packed layer, compressed technique aftershaping forms, guarantee electrical heating elements heating evenly, avoid occurring local overheating phenomenon, the letter of the utility model structure is answered, easy to operate, heating is fast, this heater can also be used in heating cabinet as a kind of electrothermal conversioning element simultaneously, on baking oven and other need on the equipment of thermal source, there is extraordinary effect.
Claims (3)
1. a turbine electric bolt heater device, it is characterized in that: device comprises metal sleeve, magnesium oxide packed layer, resistance wire, end socket, fastener, terminal box, handle, in described metal sleeve, be provided with resistance wire, between metal sleeve and resistance wire, be filled with magnesium oxide packed layer, resistance wire one end is connected with terminal box, terminal box is connected with end socket by fastener, and terminal box one end is provided with handle.
2. a kind of turbine electric bolt heater device according to claim 1, is characterized in that: described resistance wire is OCr27A17Mo material.
3. a kind of turbine electric bolt heater device according to claim 1, is characterized in that: described metal sleeve is 1Cr18Ni19Ti material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880860.XU CN203645842U (en) | 2013-12-24 | 2013-12-24 | Turbine bolt electrical heater device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880860.XU CN203645842U (en) | 2013-12-24 | 2013-12-24 | Turbine bolt electrical heater device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645842U true CN203645842U (en) | 2014-06-11 |
Family
ID=50877059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320880860.XU Expired - Fee Related CN203645842U (en) | 2013-12-24 | 2013-12-24 | Turbine bolt electrical heater device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203645842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202855A (en) * | 2014-08-13 | 2014-12-10 | 黑龙江瀚锋电热机电设备制造有限公司 | High power bolt heating system and heating method |
-
2013
- 2013-12-24 CN CN201320880860.XU patent/CN203645842U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202855A (en) * | 2014-08-13 | 2014-12-10 | 黑龙江瀚锋电热机电设备制造有限公司 | High power bolt heating system and heating method |
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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: 20140611 Termination date: 20141224 |
|
| EXPY | Termination of patent right or utility model |