CN204111813U - A kind of electrical heater - Google Patents
A kind of electrical heater Download PDFInfo
- Publication number
- CN204111813U CN204111813U CN201420283624.4U CN201420283624U CN204111813U CN 204111813 U CN204111813 U CN 204111813U CN 201420283624 U CN201420283624 U CN 201420283624U CN 204111813 U CN204111813 U CN 204111813U
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- heater
- bell
- refractory
- electrical heater
- brick
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Abstract
A kind of electrical heater, for reheating the strand through continuous caster cast molding, comprise body of heater, it is characterized in that: inside the wall of body of heater (1), lay refractory fiber floor (72), in the outside of refractory fiber floor, resistance wire (2) is installed, resistance wire energising produces heat and heats burner hearth, brick (5) at the bottom of refractory brick is laid in the bottom of body of heater, in the top of end brick (5), parallels (6) is installed, bell (4) is provided with on the top of body of heater, bell comprises and is installed on bell thermal insulation layer (41) below bell and sealing plate (71) successively.The utility model improves the sealing property of bell and body of heater, and meanwhile, its structure is simple, and low cost is easy to make.
Description
Technical field
The utility model relates to ferrous metallurgy device, and particularly, the utility model relates to a kind of electrical heater, and particularly, electrical heater of the present utility model is the electrical heater reheated the strand through continuous caster cast molding.
Background technology
In field of metallurgy, in order to realize the annealing process requirement of smelting some special steel grades, needing to reheat to certain temperature to the strand needs through continuous caster cast molding, then carrying out insulation for some time, to realize the annealing process to strand, eliminate the stress in casting cycle.
Process furnace generally can be divided into gas-fired heater and electrical heater according to thermal source.Because gas-fired heater needs air to carry out oxygen enrichment, so not high to the sealing requirements of process furnace.And electrical heater being by being energized to the resistance wire in burner hearth, producing heat by resistance wire and burner hearth is heated, therefore higher to the sealing requirements of bell.Whether the good seal of described bell and body of heater is directly connected to the loss of electrical heater furnace heat, is therefore the key factor that power consumption consumes.
In order to improve the sealing property of bell and body of heater, being generally in bell, lay the soft lagging material of layer, usually adopting aluminum silicate fiber, utilize the little feature of the thermal lag of aluminum silicate fiber to reduce heat trnasfer.That is done by bell is comparatively large simultaneously, and being covered by bell on body of heater top, is the gap that soft feature eliminates between bell and body of heater by lagging material, thus realizes the sealing property of bell and body of heater.
Because process furnace Heating temperature is higher, general Heating temperature will reach more than 700 DEG C, and heat-up time is long, and bell and body of heater can produce distortion unavoidably.Once bell and body of heater distortion, the bonding surface of bell and body of heater just easily produces gap, thus the sealing property of bell and body of heater is declined.This problem not yet obtains desirable solution so far.
Utility model content
For overcoming the problems referred to above, the utility model provides a kind of electrical heater, and particularly, the utility model provides a kind of electrical heater reheated the strand through continuous caster cast molding.With solve close existing electrical heater use the structure of bell and body of heater easily to produce gap after deformation, cause sealing property to decline, cause the problem that heat losses, power consumption rise.
The technical solution of the utility model is as follows:
A kind of electrical heater, for reheating the strand through continuous caster cast molding, comprising body of heater, it is characterized in that:
Refractory fiber floor 72 is laid inside the wall of body of heater 1,
Install resistance wire 2 in the outside of refractory fiber floor, resistance wire energising produces heat and heats burner hearth,
Lay brick 5 at the bottom of refractory brick in the bottom of body of heater 1, parallels 6 be installed above end brick 5,
Be provided with bell 4 on the top of body of heater 1, bell 4 comprises and is installed on bell thermal insulation layer 41 below bell and sealing plate 71 successively.
Refractory fiber floor 72 is laid, to reduce the conduction of burner hearth heat by wall inside the wall of body of heater 1.In the outside of refractory fiber floor, resistance wire 2 is installed, carrys out heating furnace body by the heating of resistance wire 2.Brick 5 at the bottom of the bottom laying of body of heater 1, end brick 5 is refractory brick, can either reduce burner hearth heat by bottom conductive, can support again the strand loaded in burner hearth.Parallels 6 is installed above end brick 5, in order to supporting casting blank.
According to a kind of electrical heater of the present utility model, it is characterized in that:
Parallels is laid in the top center of bottom of furnace body refractory brick.
According to a kind of electrical heater of the present utility model, it is characterized in that:
Thermal insulation layer 41 is soft insulation fibre layer.
According to a kind of electrical heater of the present utility model, it is characterized in that:
Described sealing plate 71 is made up of base plate 711, dividing plate 712 and refractory fibre rope 713, vertical and the base plate 711 of dividing plate 712, every two dividing plates 712 are one group, install refractory fibre rope 713 between two dividing plates 712, do not fill refractory fibre rope between adjacent two dividing plate groups.
According to a kind of electrical heater of the present utility model, it is characterized in that:
Described base plate 711 is integrally welded with body of heater 1.
According to a kind of electrical heater of the present utility model, it is characterized in that:
Described two dividing plates 712 form protruding groove on above-mentioned body of heater top, place band refractory fibre rope in the groove of projection.
According to a kind of electrical heater of the present utility model, it is characterized in that:
Be provided with sealing plate 71 on the top of body of heater 1, refer to figure (4), sealing plate 71 is made up of base plate 711, dividing plate 712 and refractory fibre rope 713.Base plate 711 is integrally welded with body of heater 1.
Covered above body of heater 1 by bell 4, refer to figure (5), the thermal insulation layer 41 on bell 4, under Gravitative Loads, pushes down the sealing plate 71 on body of heater 1.Because the dividing plate 712 on sealing plate 71 raises up, dividing plate 712 embeds in thermal insulation layer, and the refractory fibre rope 713 in dividing plate 712 and the thermal insulation layer 41 on bell 4 also realize sealing by soft contact.By said structure, strengthen the sealing property between body of heater 1 and bell 4, eliminate the problem that bell 4 is out of shape rear easy leakage, reduce energy consumption.
According to a kind of electrical heater of the present utility model, it is characterized in that:
Inside refractory fiber floor 72 in body of heater 1, guide frame 3 is installed, tumbles in order to prevent the piling strand stamped.
According to the utility model, there is following advantages:
Improve the sealing property of bell and body of heater.
Structure is simple, low cost, advantage easy to make.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model electrical heater body of heater.
Fig. 2 is the close-up schematic view of the utility model electrical heater body of heater.
Fig. 3 is the sealing plate structure schematic diagram in the utility model body of heater
Fig. 4 be the utility model body of heater and cover plate with the use of structural representation.
In figure, 1 is body of heater, 2 is resistance wire, and 3 is guide frame, and 4 is bell, 41 be bell 4 below install bell thermal insulation layer, 5 is end brick, and 6 is parallels, and 72 is the refractory fiber floor laid inside body of heater wall, 71 is the sealing plate be provided with on body of heater top, and sealing plate 71 is made up of base plate 711, dividing plate 712 and refractory fibre rope 713.
Embodiment
Embodiment 1
The utility model electrical heater, refers to figure (2,3), is made up of body of heater 1, resistance wire 2, guide frame 3, bell 4, end brick 5, parallels 6.
Refractory fiber floor 72 is laid, to reduce the conduction of burner hearth heat by wall inside the wall of body of heater 1.In the outside of refractory fiber floor, resistance wire 2 is installed, carrys out heating furnace body by the heating of resistance wire 2.Brick 5 at the bottom of the bottom laying of body of heater 1, end brick 5 is refractory brick, can either reduce burner hearth heat by bottom conductive, can support again the strand loaded in burner hearth.Parallels 6 is installed above end brick 5, in order to supporting casting blank.Guide frame 3 is equipped with in both sides in body of heater 1, tumbles in order to prevent the piling strand stamped.
Be provided with sealing plate 71 on the top of body of heater 1, refer to figure (4), sealing plate 71 is made up of base plate 711, dividing plate 712 and refractory fibre rope 713.Base plate 711 is integrally welded with body of heater 1.Vertical and the base plate 711 of dividing plate 712, every two dividing plates 712 are one group, install refractory fibre rope 713 between two dividing plates 712, do not fill refractory fibre rope between adjacent two dividing plate groups.
Bell thermal insulation layer 41 is installed in the below of bell 4, and thermal insulation layer 41 material is aluminum silicate fiber, and aluminum silicate fiber layer is soft.
Covered above body of heater 1 by bell 4, refer to figure (5), the thermal insulation layer 41 on bell 4, under Gravitative Loads, pushes down the sealing plate 71 on body of heater 1.Because the dividing plate 712 on sealing plate 71 raises up, dividing plate 712 embeds in thermal insulation layer, and the refractory fibre rope 713 in dividing plate 712 and the thermal insulation layer 41 on bell 4 also realize sealing by soft contact.By said structure, strengthen the sealing property between body of heater 1 and bell 4, eliminate the problem that bell 4 is out of shape rear easy leakage, reduce energy consumption.
According to the utility model, successfully solve electrical heater bell and the bad problem of furnace sealing, improve the sealing property of body of heater, saves energy.
Claims (8)
1. an electrical heater, for reheating the strand through continuous caster cast molding, comprising body of heater, it is characterized in that:
Refractory fiber floor (72) is laid inside the wall of body of heater (1),
Install resistance wire (2) in the outside of refractory fiber floor, resistance wire energising produces heat and heats burner hearth,
Lay brick (5) at the bottom of refractory brick in the bottom of body of heater (1), in the top of end brick (5), parallels (6) be installed,
Be provided with bell (4) on the top of body of heater (1), bell (4) comprises and is installed on bell thermal insulation layer (41) below bell and sealing plate (71) successively.
2. a kind of electrical heater as claimed in claim 1, is characterized in that:
Parallels is laid in the top center of bottom of furnace body refractory brick.
3. a kind of electrical heater as claimed in claim 1, is characterized in that:
Thermal insulation layer (41) is soft insulation fibre layer.
4. a kind of electrical heater as claimed in claim 1, is characterized in that:
Described sealing plate (71) is made up of base plate (711), dividing plate (712) and refractory fibre rope (713), vertical and the base plate (711) of dividing plate (712), every two dividing plates (712) are one group, between two dividing plates (712), refractory fibre rope (713) is installed, between adjacent two dividing plate groups, does not fill refractory fibre rope.
5. a kind of electrical heater as claimed in claim 4, is characterized in that:
Described base plate (711) is integrally welded with body of heater (1).
6. a kind of electrical heater as claimed in claim 4, is characterized in that:
Described two dividing plates (712) form protruding groove on above-mentioned body of heater top, place band refractory fibre rope in the groove of projection.
7. a kind of electrical heater as claimed in claim 1, is characterized in that:
Sealing plate (71) is provided with on the top of body of heater (1), sealing plate (71) is made up of base plate (711), dividing plate (712) and refractory fibre rope (713), and base plate (711) is integrally welded with body of heater.
8. a kind of electrical heater as claimed in claim 1, is characterized in that:
Refractory fiber floor (72) inner side in body of heater (1), is provided with guide frame (3), tumbles in order to prevent the piling strand stamped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420283624.4U CN204111813U (en) | 2014-05-29 | 2014-05-29 | A kind of electrical heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420283624.4U CN204111813U (en) | 2014-05-29 | 2014-05-29 | A kind of electrical heater |
Publications (1)
Publication Number | Publication Date |
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CN204111813U true CN204111813U (en) | 2015-01-21 |
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ID=52329146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420283624.4U Expired - Fee Related CN204111813U (en) | 2014-05-29 | 2014-05-29 | A kind of electrical heater |
Country Status (1)
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CN (1) | CN204111813U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114737344A (en) * | 2022-04-15 | 2022-07-12 | 湖州丝艺丝绸股份有限公司 | Product surface ironing equipment for silk product processing production |
-
2014
- 2014-05-29 CN CN201420283624.4U patent/CN204111813U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114737344A (en) * | 2022-04-15 | 2022-07-12 | 湖州丝艺丝绸股份有限公司 | Product surface ironing equipment for silk product processing production |
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Legal Events
Date | Code | Title | Description |
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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: 20150121 Termination date: 20210529 |
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CF01 | Termination of patent right due to non-payment of annual fee |