CN203197238U - Efficient continuous casting machine tundish drainage opening baking device - Google Patents
Efficient continuous casting machine tundish drainage opening baking device Download PDFInfo
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- CN203197238U CN203197238U CN 201320075641 CN201320075641U CN203197238U CN 203197238 U CN203197238 U CN 203197238U CN 201320075641 CN201320075641 CN 201320075641 CN 201320075641 U CN201320075641 U CN 201320075641U CN 203197238 U CN203197238 U CN 203197238U
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Abstract
The utility model discloses an efficient continuous casting machine tundish drainage opening baking device which comprises an oven and a combustion device. The oven is of a gantry-type structure; the inner layer of the oven is provided with a fire-resistant thermal insulating layer; an airflow opening is formed in the top of the oven; one end of the oven is provided with a gantry opening, and the end wall of the other end of the oven is provided with a burner working with the combustion device. Duet to the efficient continuous casting machine tundish drainage opening baking device, a combined spraying nozzle and a thermal insulating oven body are adopted, the thermal insulating effect of the oven and the balance of the temperature in the oven can be improved; duet to the design of the combined spraying nozzle of the a fuel adjustment spraying nozzle and an assisting air nozzle and the arrangement of a communicating pipe, the mixing of coal and assisting air can be facilitated; the combustion performance and the thermal insulating effect of the oven are comprehensively improved; blast furnace gas can be adopted as fuel, and propane is adopted as auxiliary fuel. The efficient continuous casting machine tundish drainage opening baking device has the advantages of being simple in structure, easy and convenient to manufacture, good in thermal insulation property, balanced in baking temperature and stable and reliable to work, and has very important economical, energy-saving and environment-friendly significances.
Description
Technical field
The utility model belongs to technical field of metallurgical equipment, especially belongs to steel-making auxiliary equipment technical field, is specifically related to the efficient apparatus for baking in the mouth of a river under a kind of conticaster tundish.
Background technology
The mouth of a river is a kind of consumable accessory under the tundish of conticaster, and its behaviour in service is determining to water the steel effect.In steel plant continuous casting machine production process, water smoothly for guaranteeing to open, need toast heating to middle water-coating port.The mouth of a river needed preheating under the tundish before using, and how the effect of preheating has determined its durable degree.If pre-heat effect is undesirable, can cause under the tundish mouth of a river to change frequent.The band burner configuration of the apparatus for baking of prior art designs according to the middle water containing opening spacing, high temperature deformation can take place in actual proof in use for some time, can not carry out the phenomenon of centralized positioning baking by the middle water containing opening position, not only the thermal efficiency is low, has caused the waste of fuel; And cause middle water containing opening baking unbalanced, and because mouth of a river baking temperature does not reach requirement, then cause middle water containing opening to open to water not dirty and open the not mellow and full drawback of stream, influenced normally carrying out of casting.For this reason, develop a kind of simple in structure, structure is firm, good heat preservation performance, the efficient apparatus for baking in the mouth of a river is the key that overcomes the prior art deficiency under the balanced casting machine tundish of baking temperature, has very important economy and energy-conserving and environment-protective meaning.
The utility model content
It is a kind of simple in structure, simple for production that the purpose of this utility model is to provide, and working stability is reliable, the conticaster tundish under the efficient apparatus for baking in the mouth of a river.
The purpose of this utility model is achieved in that and comprises that baking box and burner, described baking box are flame structure, and its internal layer arranges refractory insulating layer, and the baking box top arranges airflow orifice; One of described baking box end arranges Long Menkou, and the end wall bottom of other end baking box arranges burner, and burner cooperates with burner work.
The utility model adopts built up nozzle and insulation casing, has at first improved the heat insulation effect of baking box, makes the harmony of box house temperature; The combined nozzle design is by adjusting fuel nozzle and the configuration structure that helps gas jets, and being provided with of communicating pipe is beneficial to coal-the help mixing of being so incensed that, comprehensively improved combustibility and the heat insulation effect of baking box, can adopt blast furnace gas to make fuel, propane is as auxiliary fuel.The utlity model has simple in structure, simple for production, good heat preservation performance, baking temperature equilibrium, stable and reliable operation characteristics, and very important economy and energy-conserving and environment-protective meaning.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to view;
Fig. 4 is the utility model working state schematic representation;
Among the figure: 1-baking box, 2-baking box loam cake, 3-leg, 4-refractory insulating layer, 5-airflow orifice, 6-main fuel pipe, 7-gas nozzle, 8-auxiliary fuel pipe, 9-air conduit, 10-pilot jet, 11-Pressure gauge, 12-communicating pipe, 13-go-cart, 14-air nozzle.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described, but never in any form the utility model is limited, any conversion or improvement based on the utility model training centre is done all fall into protection domain of the present utility model.
As Fig. 1 ~ shown in Figure 3, the utility model comprises baking box and burner, and described baking box is flame structure, and its internal layer arranges refractory insulating layer 4, and baking box 1 top arranges airflow orifice 5; One of described baking box 1 end arranges Long Menkou, and the end wall bottom of other end baking box 1 arranges burner, and burner cooperates with burner work.
Described burner is the combination burner, is arranged at the end wall bottom of baking box 1, cooperates with burner work.
Described built up nozzle is horizontally disposed with, and comprises the gas nozzle 7 of center, the air nozzle 9 of a side and the pilot jet 10 of opposite side.
Described air nozzle 14 is obliquely installed, and is 30 ~ 60 ° of angles with baking box 1 end wall plane.
Described pilot jet 10 is obliquely installed, and is 30 ~ 60 ° of angles with baking box 1 end wall plane.
Described air nozzle 14, gas nozzle 7 are 1:1.8 ~ 2.2:2.8 ~ 3.2 with the diameter ratio of pilot jet 10.
Described burner comprises main fuel pipe 6, air conduit 9, and described air conduit 9 connects the air nozzle 14 of combination burner; The bocca 7 of described main fuel pipe 6 is communicated with the gas nozzle 7 of combination burner.
End is communicated with auxiliary fuel pipe 8 before the described main fuel pipe 6.
Between described auxiliary fuel pipe 8 and the air conduit 14 be set communicating pipe 12.
Described baking box is for dividing body structure, its baking box loam cake 2 and 1 affixed cooperation of baking box.
On the described baking box loam cake 2 airflow orifice 5 is set.
Described refractory insulating layer 4 is watered material direct pouring and is formed or built by laying bricks or stones by refractory brick and form by fire-resistant.
Operation principle of the present utility model and the course of work:
The utility model adopts built up nozzle and insulation casing, has at first improved the heat insulation effect of baking box, makes the harmony of box house temperature; The combined nozzle design is by adjusting fuel nozzle and the configuration structure that helps gas jets, and being provided with of communicating pipe is beneficial to coal-the help mixing of being so incensed that, comprehensively improved combustibility and the heat insulation effect of baking box, can adopt blast furnace gas to make fuel, propane is as auxiliary fuel.
When operation is toasted at the mouth of a river under the conticaster tundish, with travelling car the Long Menkou of the mouth of a river under the conticaster from baking box pushed in the baking box, and the mouth of a river under the tundish is lifted to the operating position, protective plate before the travelling car handle is just to gantry mouth shutoff with baking box, form the baking box of sealing insulation, open the master, the valve of secondary Gas Pipe and air-pressure duct, light mist, make down the mouth of a river can be raised to needed temperature rapidly, will utilize lifting device will be down to low level to after the mouth of a river baking under the tundish by technology, travelling car withdraws from baking box backward, move to the casting operation, finish bake process.
Characteristics of the present utility model:
1, simple in structure, simple for production, good heat insulating, practical;
2, made things convenient for the taking-up at the mouth of a river under the tundish and putting into, can make down the damage rate at the mouth of a river descend 90%;
3, easy and simple to handle, effectively reduce labour intensity, ensure safety in production;
4, prolonged the service life at time mouth of a river, 5 ~ 7 stove molten steel are on average watered at every following mouth of a river more; Water 5 stove molten steel by every more and calculate, save 9 following mouths of a river every day at least, the 370 yuan of meters in every following mouth of a river can be saved 1,200,000 yuan every year, the economic benefit highly significant.
Claims (10)
1. the efficient apparatus for baking in the mouth of a river under the conticaster tundish comprises baking box (1) and burner, and described baking box (1) is flame structure, and its internal layer arranges refractory insulating layer (4), and baking box (1) top arranges airflow orifice (5); One of described baking box (1) end arranges Long Menkou, and other end baking box (1) end wall bottom arranges burner, and burner cooperates with burner work.
2. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 1 is characterized in that: described burner is the combination burner, is arranged at the end wall bottom of baking box (1), cooperates with burner work.
3. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 2, it is characterized in that: described built up nozzle is horizontally disposed with, and comprises the gas nozzle (7) of center, the air nozzle (14) of a side and the pilot jet (10) of opposite side.
4. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 3, it is characterized in that: described air nozzle (14) is obliquely installed, and is 30 ~ 60 ° of angles with baking box (1) end wall plane.
5. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 3, it is characterized in that: described pilot jet (10) is obliquely installed, and is 30 ~ 60 ° of angles with apparatus for baking end wall plane.
6. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 3 is characterized in that: the diameter of described air nozzle (14), gas nozzle (7) and pilot jet (10) is than being 1:1.8 ~ 2.2:2.8 ~ 3.2.
7. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 1, it is characterized in that: described burner comprises main fuel pipe (6), air conduit (9), described air conduit (9) connects the air nozzle (14) of combination burner; The bocca (7) of described main fuel pipe (6) is communicated with the gas nozzle (7) of combination burner; Described main fuel pipe (6) is held before with auxiliary fuel pipe (8) and is communicated with; Between described auxiliary fuel pipe (8) and the air conduit (9) be set communicating pipe (12).
8. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 1 is characterized in that: described baking box is for dividing a body structure, its baking box loam cake (2) and affixed cooperation of baking box (1).
9. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 8 is characterized in that: airflow orifice (5) is set on the described baking box loam cake (2).
10. the efficient apparatus for baking in the mouth of a river under the conticaster tundish according to claim 1 is characterized in that: described refractory insulating layer (4) by fire-resistant water that material direct pouring forms or built by laying bricks or stones by refractory brick form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075641 CN203197238U (en) | 2013-02-18 | 2013-02-18 | Efficient continuous casting machine tundish drainage opening baking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075641 CN203197238U (en) | 2013-02-18 | 2013-02-18 | Efficient continuous casting machine tundish drainage opening baking device |
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| Publication Number | Publication Date |
|---|---|
| CN203197238U true CN203197238U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320075641 Expired - Fee Related CN203197238U (en) | 2013-02-18 | 2013-02-18 | Efficient continuous casting machine tundish drainage opening baking device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878357A (en) * | 2014-03-25 | 2014-06-25 | 济钢集团有限公司 | Continuous casting machine tundish submersed nozzle baking furnace |
| CN104785768A (en) * | 2015-05-08 | 2015-07-22 | 抚顺新钢铁有限责任公司 | Efficient baking device for submersed nozzles used for continuous casting tundish |
| CN106312039A (en) * | 2015-06-29 | 2017-01-11 | 鞍钢股份有限公司 | Off-line baking device and method for tundish submersed nozzle |
| CN113198977A (en) * | 2021-05-20 | 2021-08-03 | 西安聚能高温合金材料科技有限公司 | Device and process for preheating master alloy tool |
-
2013
- 2013-02-18 CN CN 201320075641 patent/CN203197238U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878357A (en) * | 2014-03-25 | 2014-06-25 | 济钢集团有限公司 | Continuous casting machine tundish submersed nozzle baking furnace |
| CN103878357B (en) * | 2014-03-25 | 2016-06-08 | 济钢集团有限公司 | Continuous casting tundish immersed type water outlet baking furnace |
| CN104785768A (en) * | 2015-05-08 | 2015-07-22 | 抚顺新钢铁有限责任公司 | Efficient baking device for submersed nozzles used for continuous casting tundish |
| CN106312039A (en) * | 2015-06-29 | 2017-01-11 | 鞍钢股份有限公司 | Off-line baking device and method for tundish submersed nozzle |
| CN106312039B (en) * | 2015-06-29 | 2018-04-03 | 鞍钢股份有限公司 | Off-line baking device and method for tundish submersed nozzle |
| CN113198977A (en) * | 2021-05-20 | 2021-08-03 | 西安聚能高温合金材料科技有限公司 | Device and process for preheating master alloy tool |
| CN113198977B (en) * | 2021-05-20 | 2023-11-24 | 西安聚能高温合金材料科技有限公司 | Device for preheating master alloy tool and preheating process thereof |
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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: 20130918 Termination date: 20190218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |