CN203936369U - The accurate apparatus for baking of ladle - Google Patents
The accurate apparatus for baking of ladle Download PDFInfo
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- CN203936369U CN203936369U CN201420251899.XU CN201420251899U CN203936369U CN 203936369 U CN203936369 U CN 203936369U CN 201420251899 U CN201420251899 U CN 201420251899U CN 203936369 U CN203936369 U CN 203936369U
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- ladle
- control valve
- steel
- baking
- switch board
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Abstract
The utility model relates to a kind of steel for STEELMAKING PRODUCTION operation (iron) bag apparatus for baking, is specially a kind of accurate apparatus for baking of ladle for new block, cold repair, dry, turnover and various steel (iron) water pot that is rapidly heated online.Solve in steel-making the very large problem of molten steel heat-energy losses in the running of the molten steel from steel making working procedure to continuous casting working procedure.Structure comprises ladle and steel ladle cover, infrared temperature measurement apparatus, infrared probe, switch board, self-preheating type burner, storage heater, by infrared temperature measurement apparatus, gas pipeline, being connected switch board with air duct has increased control accuracy, has improved the reliability that adds thermal reliability and observing and controlling.The utility model design is ingenious, perfect heating quality, reduce gas consumption, stablize the controlled of firing equipment, improve the baking temperature of ladle, to reducing tapping temperature, improve the life-span of body of heater, increase output of steel, reduce raw materials consumption, reduce ton steel cost, ensure that the direct motion of continuous casting all has important effect.
Description
Technical field
The utility model relates to a kind of steel for STEELMAKING PRODUCTION operation (iron) bag apparatus for baking, is specially the accurate apparatus for baking of a kind of ladle.
Background technology
The baking of steel (iron) bag is one of important step in STEELMAKING PRODUCTION operation.The baking of various steel (iron) water pot that is mainly used in new block, cold repair, is dried, has enough to meet the need and is rapidly heated online.The performance of apparatus for baking all had a great impact tapping temperature, steel-making operating rate, furnace life etc.Ladle baking is between two main production processes of steelmaking and continuous casting, and the height of baking temperature of steel ladle plays an important role to coordinating integral production, and the meaning that continuous casting is produced is more great.
Along with the development of smelting technique, the function of ladle has a very large change, and it is not only the instrument that transports molten steel, has been mainly a part into molten steel refining technology.But the heat-energy losses of molten steel is very large in the molten steel running of steel mill from steel making working procedure to continuous casting working procedure at present, wherein ladle accumulation of heat loss accounts for the half left and right of molten steel heat-energy losses.The object of ladle baking is to improve equably the temperature levels of ladle liner, to reduce the heat loss of pouring molten steel process and the service life of prolongation ladle liner.If do not adopt ladle baking method, the heat-energy losses of compensation molten steel.For ensureing temperature when pouring molten steel, certainly will to improve the tapping temperature of molten steel.But this can bring a series of problem, for example to improve tapping temperature, increase the duration of heat, increase raw materials consumption, improve ton steel cost etc., secondly also can make lining wear speed accelerate and reduce furnace life.Hence one can see that, and the development of the demand of high-quality steel and higher temperature smelting technique requires to have novel, efficient ladle baking facilities.
And the key of controlling ladle temperature is to measure how rapidly and accurately the temperature of ladle, then regulate and control the consumption of natural gas according to the temperature of ladle.
Application number: 201220534526.4 1 kinds fast, are accurately detected and control the device of baking temperature of steel ladle, disclose to use and comprised PLC, infrared measurement of temperature instrument, hot-wire anemometer and magnetic valve, infrared measurement of temperature instrument, hot-wire anemometer and magnetic valve are connected with PLC respectively, and described magnetic valve is provided with the technical scheme on fuel channel.The core of this scheme is infrared temperature measurement apparatus to be measured to the temperature of ladle outer surface, then calculates the temperature of ladle inside, is then controlling fuel feed according to result of calculation.The defect of this device is, can not directly measure the temperature of ladle inside, makes result and actual value always have certain error.
Summary of the invention
The utility model, in order to solve in steel-making from the temperature controlled problem of ladle, provides a kind of ladle accurate apparatus for baking.
The technical solution of the utility model is: the accurate apparatus for baking of a kind of ladle, and structure comprises: ladle and steel ladle cover, self-preheating type burner, fuel gas supply system, air supply system, system for detecting temperature and switch board, fuel gas supply system is connected self-preheating type burner jointly with air supply system;
Described system for detecting temperature comprises infrared radiation thermometer, infrared probe, and infrared probe embeds in steel ladle cover, and infrared radiation thermometer connects infrared probe by optical fiber; Infrared temperature measurement apparatus connects switch board;
Fuel gas supply system comprises gas pipeline, on gas pipeline, be provided with combustion gas branch pipe(tube), gas pipeline serial connection electric control valve I, pneumatic control valve I, manual modulation valve II, flowmeter and hand off valve, electric control valve I, pneumatic control valve I are connected switch board with flowmeter; On combustion gas branch pipe(tube), be connected in series electric control valve II, pneumatic control valve II, manual modulation valve I, electric control valve II is connected switch board with pneumatic control valve II;
Described air supply system comprises air duct, air duct has two, be respectively air duct I, air duct II, air duct I, air duct II connect reversal valve, reversal valve connects air-introduced machine, air blast, and the electric control valve of air-introduced machine is connected switch board with the electric control valve of air blast.
Described self-preheating type burner is also provided with storage heater outward, and described air duct and gas pipeline are connected with storage heater, is connected with bridge motor on steel ladle cover, and bridge motor connects switch board.
Comprehensive the beneficial effects of the utility model are: 1, infrared probe is housed on steel ladle cover, infrared probe connects switch board by infrared temperature measurement apparatus, infrared probe can Accurate Determining ladle temperature, can penetrate flame and burning gases etc. and disturb the temperature of directly measuring refractory material in ladle, obtain true and reliable temperature reading, increase the control accuracy of combustion gas and amount of supplied air, lower gas consumption, can adjust in time heating according to ladle lining, make heating effect reach best.
2, on gas pipeline, be provided with combustion gas branch pipe(tube), can prevent line clogging, just can not affect production with maintenance midway.
3, gas pipeline is serially connected with electric control valve, pneumatic control valve, manual modulation valve, flowmeter and hand off valve, electric control valve, pneumatic control valve is connected switch board with flowmeter, on combustion gas branch pipe(tube), be connected in series respectively electric control valve, pneumatic control valve, manual modulation valve, electric control valve is connected switch board with pneumatic control valve, on air duct, connect reversal valve, reversal valve connects respectively air-introduced machine, air blast, the electric control valve of air-introduced machine and air blast is connected switch board, increase switch board and can solve the accurately problem of real-time judge ladle baking state of operating personnel, solve the problem that ladle baking real time data can not effectively be preserved and analyze, improve the control of operating personnel to ladle baking state.
4, be provided with storage heater at the air inlet place of steel ladle cover, storage heater connects air duct and gas pipeline, to reach the object of preheating and abundant blending combustion gas and air.
5, the air duct that the utility model uses has two, adopts two air ducts can control more easily the supply of air capacity.
The utility model is a kind of accurate apparatus for baking for new block, cold repair, dry, turnover and various steel (iron) water pot that is rapidly heated online, and this device has quick heating, strong adaptability, the advantage such as easy to maintenance.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
In figure: 1-ladle, 2-steel ladle cover, 3-self-preheating type burner, 4-storage heater, 5-gas pipeline, 6-air duct I, 7-air duct II, 8-infrared probe, 9-infrared temperature measurement apparatus, 10-reversal valve, 11-electric control valve I, 12-pneumatic control valve I, 13-electric control valve II, 14-pneumatic control valve II, 15-combustion gas branch pipe(tube), 16-manual modulation valve I, 17-bridge motor, 18-manual modulation valve II, 19-flowmeter, 20-switch board, 21-hand off valve, 22-electric control valve III, 23-manual modulation valve III, 24-air-introduced machine, 25-manual modulation valve IV, 26-air blast, 27-electric control valve IV.
Detailed description of the invention
As schematically shown in Figure 1, the accurate apparatus for baking of a kind of ladle, structure comprises: ladle 1 and steel ladle cover 2, self-preheating type burner 3, fuel gas supply system, air supply system, system for detecting temperature and switch board 20, fuel gas supply system is connected self-preheating type burner 3 jointly with air supply system;
Described system for detecting temperature comprises infrared radiation thermometer 9, infrared probe 8, and infrared probe 8 embeds in steel ladle cover 2, and infrared radiation thermometer 9 connects infrared probe 8 by optical fiber; Infrared temperature measurement apparatus 9 connects switch board 20.
Temp measuring system described in the utility model: adopt world advanced person's Non-contacting Infrared Thermometer, can penetrate flame and burning gases etc. and disturb the temperature of directly measuring refractory material in ladle, obtain true and reliable temperature reading, accuracy of measurement 0.25%; The sensor of employing with optical fiber be as infrared temperature measurement apparatus, fiber lengths 6m, and fibre-optical probe is contained in cantilever tip and does not enter ladle, and support is fixed on steel ladle cover by gas purging len as sighting tube.Optical fiber can select import armouring protective jacket to prevent flame calcination, to reduce maintenance and device damage.
Fuel gas supply system comprises gas pipeline 5, on gas pipeline 5, be provided with combustion gas branch pipe(tube) 15, gas pipeline 5 is connected in series electric control valve I 11, pneumatic control valve I 12, manual modulation valve II 18, flowmeter 19 and hand off valve 21, and electric control valve I 11, pneumatic control valve I 12 and flowmeter 19 are connected switch board 20.On combustion gas branch pipe(tube) 15, be connected in series electric control valve II 13, pneumatic control valve II 14, manual modulation valve I 16, electric control valve II 13 is connected switch board 20 with pneumatic control valve II 14.
Described air supply system comprises air duct, air duct has two, be respectively air duct I 6, air duct II 7, air duct I 6, air duct II 7 connect reversal valve 10, reversal valve 10 connects air-introduced machine 24, air blast 26, and the electric control valve 22 of air-introduced machine 24 is connected switch board 20 with the electric control valve 27 of air blast 26.
Described self-preheating type burner 3 is outer is also provided with storage heater 4, and described air duct and gas pipeline are connected with storage heater 4.
Use the interference that can solve all kinds of factors of temp measuring system after said temperature measurement mechanism and gas-air control device, improve the reliability of observing and controlling; Solve burning and cause fire clay cracky, improve the reliability that ladle uses.
On steel ladle cover 2, be connected with bridge motor 17, bridge motor 17 connects switch board 20, can control better the rotation of steel ladle cover by bridge motor being connected to switch board.
Native system can reduce gas consumption: according to accurate temperature controlling, reach the object that lowers gas consumption.Solution must not be adjusted the problem that adds thermal control in time according to ladle lining, and native system can be adjusted heating in time according to ladle lining, makes heating effect reach best.Solve the problem that ladle baking real time data can not effectively be preserved and analyze, native system is preserved nearly 9 kinds of ladle baking data, and not only system itself possesses data analysis and processing capacity, can also accurately analyze and data processed result for technologist provides.Solve the accurately problem of real-time judge ladle baking state of operating personnel, improve the control of operating personnel to ladle baking state.Easily result in blockage in conjunction with coal gas feature, in gaspipe line design, adopt bypass so that maintenance midway does not affect production.
Described apparatus for baking machinery control section is mainly made up of frame, rotating mechanism, steel ladle cover, combustion air heating system, gas rotating bindiny mechanism, blower fan, hoist engine, burning dispensing and electric-control system.
Claims (3)
1. the accurate apparatus for baking of ladle, it is characterized in that: structure comprises: ladle (1) and steel ladle cover (2), self-preheating type burner (3), fuel gas supply system, air supply system, system for detecting temperature and switch board (20), fuel gas supply system is connected self-preheating type burner (3) jointly with air supply system;
Described system for detecting temperature comprises infrared radiation thermometer (9), infrared probe (8), and infrared probe (8) embeds in steel ladle cover (2), and infrared radiation thermometer (9) connects infrared probe (8) by optical fiber; Infrared temperature measurement apparatus (9) connects switch board (20);
Fuel gas supply system comprises gas pipeline (5), on gas pipeline (5), be provided with combustion gas branch pipe(tube) (15), gas pipeline (5) serial connection electric control valve I (11), pneumatic control valve I (12), manual modulation valve II (18), flowmeter (19) and hand off valve (21), electric control valve I (11), pneumatic control valve I (12) is connected switch board (20) with flowmeter (19), combustion gas branch pipe(tube) (15) upper serial connection electric control valve II (13), pneumatic control valve II (14), manual modulation valve I (16), electric control valve II (13) is connected switch board (20) with pneumatic control valve II (14),
Described air supply system comprises air duct, air duct has two, be respectively air duct I (6), air duct II (7), air duct I (6), air duct II (7) connect reversal valve (10), reversal valve (10) connects air-introduced machine (24), air blast (26), and the electric control valve (22) of air-introduced machine (24) and the electric control valve (27) of air blast (26) are connected switch board (20).
2. the accurate apparatus for baking of ladle according to claim 1, is characterized in that: described self-preheating type burner (3) is outer is also provided with storage heater (4), and described air duct and gas pipeline are connected with storage heater (4).
3. the accurate apparatus for baking of ladle according to claim 1, is characterized in that: on steel ladle cover (2), be connected with bridge motor (17), bridge motor (17) connects switch board (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420251899.XU CN203936369U (en) | 2014-05-16 | 2014-05-16 | The accurate apparatus for baking of ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420251899.XU CN203936369U (en) | 2014-05-16 | 2014-05-16 | The accurate apparatus for baking of ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203936369U true CN203936369U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420251899.XU Expired - Fee Related CN203936369U (en) | 2014-05-16 | 2014-05-16 | The accurate apparatus for baking of ladle |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978194A (en) * | 2014-05-16 | 2014-08-13 | 山西大杨创纪科技股份有限公司 | Precise baking device for steel ladles |
-
2014
- 2014-05-16 CN CN201420251899.XU patent/CN203936369U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978194A (en) * | 2014-05-16 | 2014-08-13 | 山西大杨创纪科技股份有限公司 | Precise baking device for steel ladles |
| CN103978194B (en) * | 2014-05-16 | 2016-09-07 | 山西大杨创纪科技股份有限公司 | Ladle precision apparatus for baking |
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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: 20141112 Termination date: 20160516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |