CN203917904U - Eddy-current heating immersion outlet baking device for intermediate ladle - Google Patents
Eddy-current heating immersion outlet baking device for intermediate ladle Download PDFInfo
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- CN203917904U CN203917904U CN201420301515.0U CN201420301515U CN203917904U CN 203917904 U CN203917904 U CN 203917904U CN 201420301515 U CN201420301515 U CN 201420301515U CN 203917904 U CN203917904 U CN 203917904U
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- cover plate
- baking
- heat insulation
- positioning seat
- load coil
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Abstract
The utility model provides a kind of eddy-current heating immersion outlet baking device for intermediate ladle, on original hoisting mechanism basis, brick and heat insulation cover plate are sat in extension supporting frame, load coil, thermal insulation layer, heating rod, positioning seat, bottom, bracing frame inner side is provided with load coil, load coil inner side is built thermal insulation layer by laying bricks or stones, case heelpiece has bottom to sit brick, block on brick is sat in bottom the positioning seat with locating slot, bracing frame top is provided with heat insulation cover plate, and heat insulation cover plate is fixed with heating rod below by bolt.Positioning seat locating slot is put into in submersed nozzle lower end, then heating rod is inserted in submersed nozzle, by load coil, submersed nozzle is carried out to prewarming baking.The utility model can once complete the baking at the many mouths of a river simultaneously, greatly improves cured effect and baking speed, only mouth of a river temperature can be preheating to more than 1000 DEG C from room temperature with 40～60 minutes.Not only can reduce baking cost, and can reduce environmental pollution.
Description
Technical field
The utility model belongs to continuous casting installation for casting technical field, relates in particular to a kind of eddy-current heating immersion outlet baking device for intermediate ladle.
Background technology
Submersed nozzle is applied between tundish and crystallizer, is most important function fire retarding component in refractory for continuous casting.In the middle of continuous casting is produced, in order to make molten steel successfully flow in crystallizer and to molten steel and to play a protective role from tundish, to prevent secondary oxidation, need to realize by submersed nozzle.In submersed nozzle use procedure, should bear the strong thermal shock of watering the steel initial stage, stand again the erosion of molten steel and covering slag in steel pouring process.Therefore, require submersed nozzle to there is good thermal-shock resistance, anti-strip, higher mechanical strength and mar proof, good anti-molten steel erosion performance and stronger anti-covering slag erosiveness.
Along with the development of high-efficient continuous casting technology, require to carry out many stoves continuous casting, submersed nozzle is also had higher requirement, thereby developed the aluminium carbonaceous mouth of a river.Along with ZrO
2the introducing of-C, has strengthened the ability that slag lining anti-covering slag in the aluminium carbonaceous mouth of a river corrodes, thereby corrosion resistance and the thermal shock resistance of aluminium carbonaceous submersed nozzle is greatly improved, and uses as the main mouth of a river at present.But, because aluminium carbonaceous submersed nozzle thermal shock resistance is poor, must carry out before use abundant preheating its temperature is reached more than 1000 DEG C, just can avoid in use rupturing, ensure carrying out smoothly of sequence casting.If submersed nozzle roasting temperature is low, inwall is just easily hung steel, makes nozzle blocking, affects the normal cast of molten steel, causes liquid fluctuating in crystallizer, affects the quality of continuous casting billet, seriously even there will be the disconnected production accident of watering if stopped up.In addition, in casting process because of the bad or cause for quality in the mouth of a river of mouth of a river baking own, occur sometimes that crackle appears in the mouth of a river and the accident such as break off the base, at this moment often can not meet instructions for use because the mouth of a river for subsequent use baking is not in place or cured effect is bad, and then causing casting process to stop, this has caused huge economic loss to enterprise undoubtedly.
For make submersed nozzle can rapidly pre-warming to 1000 DEG C more than, the pre-heating mean of submersed nozzle all utilizes gas-fired liberated heat to carry out preheating at present, this pre-heating mean cost compare is high, shows according to statistics, and the gas cost at the baking mouth of a river is probably 63 yuan of left and right.From baking preheating device, this pre-heating mean during especially to multi-stream casting, needs multiple apparatus for baking, not only can take very large space, but also can increase the maintenance cost of equipment.From cured effect, the waste gas of the most of burned generation of heat that gas-fired baking produces is taken away, and the heat utilization ratio that gas-fired produces is low, causes baking time longer.Gas-fired formula baking needs 2 hours conventionally, not only affects the rhythm of production of continuous casting, and also can produce a large amount of waste gas and noise when gas-fired, pollutes working environment.
Summary of the invention
The utility model provides a kind of eddy-current heating immersion outlet baking device for intermediate ladle, baking when being intended to utilize a set of apparatus for baking to complete many submersed nozzles, improve baking efficiency, shorten baking time, reduce and take up an area space, reduce environmental pollution, improve cured effect, reduce baking preheating cost.
For reaching this object, the utility model has been taked following technical solution:
A kind of eddy-current heating immersion outlet baking device for intermediate ladle, comprise hydraulic cylinder, expansion link, crossbeam and connecting rod, it is characterized in that, extension supporting frame, load coil, thermal insulation layer, heating rod, positioning seat, brick and heat insulation cover plate are sat in bottom, load coil is fixed on bracing frame, load coil inner side has been built box thermal insulation layer by laying bricks or stones, bracing frame bottom is lined with bottom and sits brick, bottom is sat above brick and is built and have positioning seat, be furnished with at least 4 submersed nozzle locating slots along positioning seat limit part, bracing frame top is provided with heat insulation cover plate, heat insulation cover plate is fixed with heating rod below by bolt, above heat insulation cover plate, be welded with connecting rod, connecting rod is connected with hydraulic cylinder with expansion link by crossbeam.
Described positioning seat and heating rod all adopt graphite to be made.
Described locating slot is 8, and 8 locating slots are taked spaced set.
Between described expansion link and crossbeam, be welded with diagonal brace.
Using method of the present utility model and beneficial effect are:
Primer fluid cylinder pressure, lifts heat insulation cover plate by expansion link, crossbeam and connecting rod, and related heating rod is proposed.By the submersed nozzle lower end corresponding locating slot of putting into bracing frame bottom positioning seat respectively.Primer fluid cylinder pressure, is inserted into the heating rod below heat insulation cover plate respectively in submersed nozzle centre bore.Start load coil power supply, submersed nozzle is carried out to prewarming baking.Toast completely, close load coil power supply, primer fluid cylinder pressure, mentions heat insulation cover plate and heating rod, takes out submersed nozzle, completes submersed nozzle roasting process.
Baking when the utility model can once complete the many mouths of a river, reduce apparatus for baking and take up an area space, improve cured effect and the baking speed of submersed nozzle, shorten baking time, only mouth of a river temperature can be preheating to more than 1000 DEG C from room temperature with 40～60 minutes.Compared with gas-fired mode, not only can significantly reduce baking preheating cost, and can also ensure in production process in the time occurring breaking and wad a quilt with cotton stream in the mouth of a river can Quick changing gate, large quantity of exhaust gas and noise simultaneously that can avoid traditional gas toast preheating time, produce, improve operating environment, provide technical support for realizing the production of low cost green metallurgical.
Brief description of the drawings
Fig. 1 is immersed nozzle heating device principal section figure;
Fig. 2 is the A-A sectional view of Fig. 1.
In figure: set bolt 1, bracing frame 2, load coil 3, thermal insulation layer 4, bottom brick cup 5, positioning seat 6, heating rod 7, submersed nozzle 8, heat insulation cover plate 9, connecting rod 10, crossbeam 11, diagonal brace 12, expansion link 13, hydraulic cylinder 14.
Detailed description of the invention
From accompanying drawing, the utility model eddy-current heating tundish soaking water gap apparatus for baking is to utilize original hydraulic cylinder 14, expansion link 13, crossbeam 11 and connecting rod 10, extension supporting frame 2, load coil 3, thermal insulation layer 4, bottom brick cup 5, positioning seat 6, heating rod 7 and heat insulation cover plate 9 on this basis.
Be installed on load coil 3 in bracing frame 2 inner sides, the inner side of load coil 3 has been built one week box high temperature insulating layer 4 by laying bricks or stones, the bottom of bracing frame 2 has been built bottom by laying bricks or stones and has been sat brick 5, bottom is sat the building and have graphite matter positioning seat 6 of brick 5 above, is equidistantly distributed with 8 submersed nozzle locating slots along four limits of positioning seat 6.Be equipped with heat insulation cover plate 9 on the top of bracing frame 2, the lower surface of heat insulation cover plate 9 is fixed with 8 graphite matter heating rods 7 by set bolt 1, above heat insulation cover plate 9, be welded with connecting rod 10, connecting rod 10 is by crossbeam 11 connection expansion links 13, and the other end of expansion link 13 is connected with hydraulic cylinder 14.For increasing the intensity of crossbeam 11, between expansion link 13 and crossbeam 11, be also welded with a diagonal brace 12.
Claims (4)
1. an eddy-current heating immersion outlet baking device for intermediate ladle, comprise hydraulic cylinder, expansion link, crossbeam and connecting rod, it is characterized in that, extension supporting frame, load coil, thermal insulation layer, heating rod, positioning seat, brick and heat insulation cover plate are sat in bottom, load coil is fixed on bracing frame, load coil inner side has been built box thermal insulation layer by laying bricks or stones, bracing frame bottom is lined with bottom and sits brick, bottom is sat above brick and is built and have positioning seat, be furnished with at least 4 submersed nozzle locating slots along positioning seat limit part, bracing frame top is provided with heat insulation cover plate, heat insulation cover plate is fixed with heating rod below by bolt, above heat insulation cover plate, be welded with connecting rod, connecting rod is connected with hydraulic cylinder with expansion link by crossbeam.
2. eddy-current heating immersion outlet baking device for intermediate ladle according to claim 1, is characterized in that, described positioning seat and heating rod all adopt graphite to be made.
3. eddy-current heating immersion outlet baking device for intermediate ladle according to claim 1, is characterized in that, described locating slot is 8, and 8 locating slots are taked spaced set.
4. eddy-current heating immersion outlet baking device for intermediate ladle according to claim 1, is characterized in that, between described expansion link and crossbeam, is welded with diagonal brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301515.0U CN203917904U (en) | 2014-06-09 | 2014-06-09 | Eddy-current heating immersion outlet baking device for intermediate ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301515.0U CN203917904U (en) | 2014-06-09 | 2014-06-09 | Eddy-current heating immersion outlet baking device for intermediate ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203917904U true CN203917904U (en) | 2014-11-05 |
Family
ID=51813785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420301515.0U Withdrawn - After Issue CN203917904U (en) | 2014-06-09 | 2014-06-09 | Eddy-current heating immersion outlet baking device for intermediate ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203917904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215345A (en) * | 2014-06-09 | 2016-01-06 | 鞍钢股份有限公司 | A kind of eddy-current heating immersion outlet baking device for intermediate ladle and method |
-
2014
- 2014-06-09 CN CN201420301515.0U patent/CN203917904U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215345A (en) * | 2014-06-09 | 2016-01-06 | 鞍钢股份有限公司 | A kind of eddy-current heating immersion outlet baking device for intermediate ladle and method |
| CN105215345B (en) * | 2014-06-09 | 2017-07-21 | 鞍钢股份有限公司 | A kind of sensing heating immersion outlet baking device for intermediate ladle and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20170721 |