CN201713552U - Steel belt direct power-on continuous heating device - Google Patents
Steel belt direct power-on continuous heating device Download PDFInfo
- Publication number
- CN201713552U CN201713552U CN 201020225769 CN201020225769U CN201713552U CN 201713552 U CN201713552 U CN 201713552U CN 201020225769 CN201020225769 CN 201020225769 CN 201020225769 U CN201020225769 U CN 201020225769U CN 201713552 U CN201713552 U CN 201713552U
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- China
- Prior art keywords
- steel band
- continuous heating
- steel
- heating unit
- casing
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- Expired - Lifetime
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Abstract
The utility model provides a steel belt direct power-on continuous heating device, which comprises a box body and at least one group of electrode sets which are arranged in the box body and correspond to steel belts; the electrode sets comprise main graphite rollers arranged below the steel belts and connected with the steel belts, and two small graphite rollers arranged above the steel belts and connected with the steel belts. The main graphite rollers and the two small graphite rollers tightly press the steel belts correspondingly. Current is directly transmitted through the main graphite rollers to heat the steel belt, and thereby, the energy loss is small and the thermal efficiency can reach 95 percent.
Description
Technical field
The utility model relates to the thermal treatment field of steel band, is specifically related to the directly continuous heating unit of energising of a kind of steel band.
Background technology
When steel band is heat-treated, must heat steel band.Equipment to steel band heats continuously generally all adopts box-type furnace.Box-type furnace heats with resistance, the pyritous resistance wire heats muffle tube by thermal radiation, the pyritous muffle tube heats the steel band in the muffle tube by thermal radiation again, because heat passage complex forms, it is big to add this equipment cooling area, calorific loss is big, so the thermo-efficiency of box-type furnace is very low, generally has only 30%-45%.Also has a kind of thermo-efficiency induction heating preferably, it produces the very high alternating magnetic field of frequency by converter plant, utilize electromagnetic induction in steel band, to produce high-frequency vortex, thereby steel band is heated, and this heating unit will be used variable-frequency power sources, the equipment complexity, the lack of homogeneity of temperature, especially want its difficulty of the uniform ruhmkorff coil of design temperature very big, want the water flowing cooling, make its thermo-efficiency also have only 50-70% owing to will carry out the conversion and the coil of energy.
Summary of the invention
Technical problem to be solved in the utility model is to provide the directly continuous heating unit of energising of a kind of steel band, and calorific loss is little, and thermo-efficiency is very high.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: a kind of steel band is the continuous heating unit of energising directly, comprise casing, be located at least one group electrode group corresponding in the casing with steel band, described electrode group comprises the main graphite roller that is located at steel band below and steel band and joins, be located at two little graphite rollers that steel band top and steel band join, described main graphite roller and two corresponding steel bands that compress of gravelstone ink roller.
As preferably, be provided with the brush that is connected with main graphite roller in the described casing, described brush is connected with the outside transformer that is provided with, and the secondary current of transformer is passed through the brush input electrode.
As preferably, described casing is provided with the steel band inlet corresponding with steel band, steel band outlet.
As preferably, described casing end is provided with temperature measurer.Be used for thermometric and temperature automatically controlled.
As preferably, described casing is provided with the nitrogen ventage.Feed nitrogen by the nitrogen ventage, the protection steel band is not oxidized.
As preferably, described electrode group adopts two groups.
Beneficial effect:
The utility model adopts technique scheme that the directly continuous heating unit of energising of a kind of steel band is provided, and calorific loss is very little, and thermo-efficiency can be up to 95%.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of steel band continuous heating unit of directly switching on, comprise casing 2, be located in the casing 2 at least one group electrode group corresponding with steel band 1, described electrode group comprises the main graphite roller 3 that is located at steel band 1 below and steel band 1 and joins, be located at two gravelstone ink rollers 4 that steel band 1 top and steel band 1 join, described main graphite roller 3 and two gravelstone ink rollers, the 4 corresponding steel bands 1 that compress.Be provided with the brush 5 that is connected with main graphite roller 3 in the described casing 2, described brush 5 is connected with the outside transformer 6 that is provided with.Described casing 2 is provided with the steel band inlet 7 corresponding with steel band 1, steel band outlet 8.Described casing 2 ends are provided with temperature measurer 9.Described casing 2 is provided with nitrogen ventage 10.Described electrode group adopts two groups.
Casing 2 usefulness steel plates are made, and feed nitrogen by nitrogen ventage 10, are used for protecting steel band not oxidized.Casing 2 inwalls have thermal insulation layer to be used for being incubated.It is the poor conductor of heat that casing 2 outer blocks have ceramic tile, ceramic tile, so it both can be incubated, makes casing 2 outward appearances beautiful again.The electrode group adopts the graphite welding roll, can make between steel band and electrode on the one hand not relatively move, thereby can not pull steel strip surface, and graphite can be high temperature resistant on the other hand, needn't use water cooling.Main graphite roller 3 is used for electric current is defeated by steel band 1, makes steel band 1 energising heat.Two gravelstone ink roller 4 no powers are used for compressing steel band 1, and steel band 1 can closely be contacted with main graphite roller 3, and two gravelstone ink rollers 4 can move up and down.Also not leaving before the casing 2 place after inherent steel band 1 heating of casing, one section uniform temperature zone, its effect are arranged is to make the temperature of steel band 1 can be evenly.Transformer 6 adopts the magnetic voltage regulator/transformer of low-voltage and high-current, add on the iron core of this kind transformer one group of magnetic control coil is arranged, the direct current energy that it feeds changes the magnetic flux of iron core, thereby change faradic size, change the size of transformer output voltage, the effect of this transformer unsteady flow is very good, and unsteady flow is also very convenient.Brush 5 links to each other with transformer 6 by copper bar, and electric current is imported main graphite roller 3.Temperature measurer 9 adopts infrared thermometer, and it can dynamically measure the temperature of steel band 1, and by automatic temperature control, realizes the automatic control of temperature of steel strips.
Claims (6)
1. a steel band continuous heating unit of directly switching on, it is characterized in that: comprise casing (2), be located at least one group electrode group corresponding in the casing (2) with steel band (1), described electrode group comprises the main graphite roller (3) that is located at steel band (1) below and steel band (1) and joins, be located at two little graphite rollers (4) that steel band (1) top and steel band (1) join, the corresponding steel band (1) that compresses with two little graphite rollers (4) of described main graphite roller (3).
2. a kind of steel band according to claim 1 continuous heating unit of directly switching on is characterized in that: be provided with the brush (5) that is connected with main graphite roller (3) in the described casing (2), described brush (5) is connected with the outside transformer (6) that is provided with.
3. a kind of steel band according to claim 1 continuous heating unit of directly switching on is characterized in that: described casing (2) is provided with the steel band inlet (7) corresponding with steel band (1), steel band outlet (8).
4. a kind of steel band according to claim 1 continuous heating unit of directly switching on, it is characterized in that: described casing (2) end is provided with temperature measurer (9).
5. a kind of steel band according to claim 1 continuous heating unit of directly switching on, it is characterized in that: described casing (2) is provided with nitrogen ventage (10).
6. a kind of steel band according to claim 1 continuous heating unit of directly switching on, it is characterized in that: described electrode group adopts two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020225769 CN201713552U (en) | 2010-06-13 | 2010-06-13 | Steel belt direct power-on continuous heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020225769 CN201713552U (en) | 2010-06-13 | 2010-06-13 | Steel belt direct power-on continuous heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201713552U true CN201713552U (en) | 2011-01-19 |
Family
ID=43459552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020225769 Expired - Lifetime CN201713552U (en) | 2010-06-13 | 2010-06-13 | Steel belt direct power-on continuous heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201713552U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956059A (en) * | 2010-06-13 | 2011-01-26 | 浙江佰耐钢带有限公司 | Device for continuously heating steel strip by direct energization |
| CN107779586A (en) * | 2016-08-31 | 2018-03-09 | 江西大有科技有限公司 | Non-crystalline material crystallization and thermal treatment apparatus and method |
| IT202000011635A1 (en) * | 2020-05-19 | 2021-11-19 | Metallurgica Luigi Pessina Acciai S P A | DEVICE FOR THE TRANSMISSION OF CURRENT IN A HEATING PROCESS |
-
2010
- 2010-06-13 CN CN 201020225769 patent/CN201713552U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956059A (en) * | 2010-06-13 | 2011-01-26 | 浙江佰耐钢带有限公司 | Device for continuously heating steel strip by direct energization |
| CN107779586A (en) * | 2016-08-31 | 2018-03-09 | 江西大有科技有限公司 | Non-crystalline material crystallization and thermal treatment apparatus and method |
| CN107779586B (en) * | 2016-08-31 | 2019-11-05 | 江西大有科技有限公司 | Non-crystalline material crystallization and thermal treatment device and method |
| IT202000011635A1 (en) * | 2020-05-19 | 2021-11-19 | Metallurgica Luigi Pessina Acciai S P A | DEVICE FOR THE TRANSMISSION OF CURRENT IN A HEATING PROCESS |
| EP3913071A1 (en) * | 2020-05-19 | 2021-11-24 | Metallurgica Luigi Pessina Acciai S.p.A. | Device for current transmission in a heating process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |