CN201168777Y - Dispersion combustion type steel ladle baking apparatus - Google Patents
Dispersion combustion type steel ladle baking apparatus Download PDFInfo
- Publication number
- CN201168777Y CN201168777Y CNU2008200662346U CN200820066234U CN201168777Y CN 201168777 Y CN201168777 Y CN 201168777Y CN U2008200662346 U CNU2008200662346 U CN U2008200662346U CN 200820066234 U CN200820066234 U CN 200820066234U CN 201168777 Y CN201168777 Y CN 201168777Y
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- ladle
- heat
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- steel
- baking
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Abstract
A dispersive-combustion type steel-ladle baking device belongs to the pre-heating and heat-preserving device for tanks such as steel ladles, and the like, wherein, one end of each of regenerative burner nozzles is communicated to the inside of a steel-ladle cover and the other end is communicated with a reversing valve by an air channel, a coal-gas burner nozzle is arranged between the two regenerative burner nozzles arranged outside the steel-ladle cover, the gas outlet of the coal-gas burner nozzle is arranged at the inside of the steel-ladle cover and the gas inlet is communicated with a coal-gas pipe by pipelines and valves. Coal-gas and air are respectively brought into a tank body to form the dispersive baking, the temperature difference of a tank mouth and the bottom of the steel-ladle is extremely small so that the tempering phenomenon in the regenerative burner nozzle is removed completely, the use process is safe, and the stability and the reliability of the baking work are improved, thus, the dispersive-combustion type steel-ladle baking device has simple structure, convenient manufacture, higher baking efficiency, lower energy-consumption and production cost; and the service life of the device is prolonged.
Description
Technical field
The utility model relates to a kind of ladle baking facilities, relates in particular to a kind of dispersed combustion formula ladle baking facilities, is mainly used in steel mill to steel ladle, hot-metal bottle, the baking preheating and the insulation of tundish.
Background technology
Chinese patent publication number: CN 2678799, open day: on February 16th, 2005, denomination of invention " high-efficiency heat-accumulating ladle baking facility ", an end that proposes two heat-accumulating burners, air inlet pipe and blast pipes is connected with each interface of two position and four-way reversing valves respectively; The other end of two heat-accumulating burners penetrates its inboard technical scheme from the outside of ladle lid.Wherein the operation principle of two heat-accumulating burners is similar with the oxyacetylene metal-cutting instrument, all is air and coal gas are mixed in heat storage earlier, and then sprays from burner.The flame characteristics of this burner are near burner oral area temperature height, and are low away from burner oral area temperature, and the length of flame is short, and Temperature Distribution is even inadequately, is difficult to toasting effectively at the bottom of the ladle jar.And, so the performance of burner material is had very strict requirement, have slightly that technology is not in place just to cause that burner comes off easily, thereby influenced the performance and the service life of roasting bag equipment because the outlet of burner is in the high-temperature region of flame.Moreover, the design form of technique scheme also has a fatal technological deficiency, be that coal gas and air are wanted to mix in heat storage earlier, and then in burner, spray burning outward, because air inlet, the needs of exhaust and accumulation of heat, under the switching of reversal valve, two heat-accumulating burners will be by turns as the passage of air blast or air inducing, heat-accumulating burner as the air blast side, the time will stop the output of coal gas and air rapidly in commutation, the flow direction that changes gas becomes air inducing and accumulation of heat passage, and at this moment the coal gas in the burner is not if emptying or reversal valve be if there is leakage slightly, just may produce tempering or blast, its security performance can't be protected at all.Should consider the layout of gas port and air port simultaneously in the design of heat storage in burner, consider air inducing accumulation of heat and anti-backfire effect again, make the complex structure of burner and heat storage, manufacture difficulty increases.And it is also higher to the requirement of commutation valve performance and quality.In use, it has been generally acknowledged that reversal valve is a stealthy hacker, constantly all have to produce the potential danger of blowing out.Interdependency in the whole system between each parts is very big, and the unstability factor increases, and the bad or damage of widget performance just can cause bigger fault or accident often.So the stability and the reliability of technique scheme work are lower, also be unfavorable for very much Maintenance and Repair at ordinary times.
Summary of the invention
The purpose of this utility model is short at the prior art length of flame, baking temperature is even inadequately, easily tempering, job stability and security are relatively poor, and complex structure, the defective of Maintenance and Repair inconvenience and deficiency, a kind of efficiency of heating surface height is proposed, baking temperature is even, does not produce tempering and blows out phenomenon, dispersed combustion formula ladle baking facilities safe in utilization.
The purpose of this utility model realizes in the following manner: a kind of dispersed combustion formula ladle baking facilities, in ladle lid arranged outside two heat-accumulating burners are arranged, the inside of heat-accumulating burner is provided with heat storage, it is inboard that one end of heat-accumulating burner leads to the ladle lid, it is characterized in that: the other end of described heat-accumulating burner is communicated with reversal valve through air duct, between two heat-accumulating burners in the ladle lid outside, also be provided with a coal gas burner, the gas outlet of described coal gas burner is arranged on the inboard of ladle lid, and its air inlet is communicated with gas pipe through pipeline, valve.
Compared with prior art the utlity model has following tangible advantage:
1. the utility model covers at ladle and has arranged three burners, promptly the heat-accumulating burner that distributes on both sides is the wind burner, and the centre is coal gas burner, its burning form has just had obvious improvement, coal gas and air enter from separately burner respectively and evenly mix in the ladle jar and fully burning, form the diffuse type baking in tank interior, because the process of burning is to carry out in whole tank interior, jet out flames at the bottom of length can go directly jar from coal gas burner, make that the temperature difference of ladle jar oral area and bottom is minimum.Also make ladle lid be heated evenly, reduced the differences in expansion that temperature height difference causes, the performance of roasting plant self is also had the better guarantees effect, lower to the requirement of burner material, service life of equipment improves relatively.
2. because the heat-accumulating burner of coal gas burner and ventilating air is set respectively, coal gas and air are in ladle jar internal mix and burning, heat-accumulating burner inside does not have coal gas and Air mixing process, can between air blast and air inducing operation, switch safely, thoroughly eliminate the tempering phenomenon of the inner coal gas of heat-accumulating burner, also stopped the generation of blowing out from every side.And temperature is higher in the ladle jar, and coal gas and air can mix again preferably, can optimize the efficient of burning.
3. owing to do not pass through coal gas in the heat storage of heat-accumulating burner, only for air and the circulation of useless flue gas, can give full play to the advantage of its exchange heat, energy-conservation and environmental protection in specification requirement and the design, make the heat storage form flexible, compact conformation, easy to make, the thermal efficiency improves, and function and quality also obtain better guarantees.
4. the requirement to commutation valve performance and quality improves, even the action of reversal valve is not in place, quality defectiveness or do not work only need be done less processing, and apparatus for baking also can move in the same old way, can not produce the mortality influence to the safe operation of whole system, stability, the reliability of baking operation improve, and the maintenance of parts such as reversal valve detects also to be simplified greatly, and the processing time also shortens greatly, the influence of producing is reduced, and the operating efficiency of apparatus for baking can effectively be improved.
5. whole apparatus structure is simple, easy to make, and baking efficient is higher, and energy consumption and production cost are lower.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure, ladle lid 1, heat-accumulating burner 2,3, coal gas burner 4, reversal valve 5, ladle jar 6, heat storage 7.
The specific embodiment
Below in conjunction with the description of drawings and the specific embodiment the utility model is described in further detail:
Referring to Fig. 1, a kind of dispersed combustion formula ladle baking facilities, cover 1 arranged outside at ladle two heat-accumulating burners 2,3 are arranged, the inside of heat-accumulating burner 2,3 is provided with heat storage 7, one end of heat-accumulating burner 2,3 leads to ladle and covers 1 inboard, the other end of described heat-accumulating burner 2,3 is communicated with reversal valve 5 through air duct, cover at ladle between two heat-accumulating burners 2,3 in 1 outside and also be provided with a coal gas burner 4, the gas outlet of described coal gas burner 4 is arranged on the inboard of ladle lid 1, and its air inlet is communicated with gas pipe through pipeline, valve.Promptly be furnished with three burners above ladle lid 1, what distribute on both sides is right heat-accumulating burner 2 and left heat-accumulating burner 3, and these two heat-accumulating burners 2,3 can be referred to as the wind burner, and what be arranged on left and right heat-accumulating burner 2,3 centres is coal gas burner 4.
Its course of work is: the inboard with ladle lid 1 is positioned on the jar mouth of ladle jar 6 earlier, after system's operation, blower fan brings into operation, air flows to a heat-accumulating burner such as right heat-accumulating burner 2 through the snorkel of reversal valve 5, become the air blast burner, air is sent into ladle jar 6 inside, at this moment left heat-accumulating burner 3 is communicated with blast pipe through reversal valve 5, become the air inducing burner, two heat-accumulating burners 2,3 constitute the path of circulation of air in the ladle jar.Open the valve that is communicated with coal gas burner 4 after several seconds again, so coal gas is lighted through the inside chance naked light that coal gas burner 4 sprays into ladle jar 6, ladle jar 6 is formally toasted.And left heat-accumulating burner 3 is under the effect of air inducing, make its inner heat storage 7 absorb remaining flue gas heat, control system intermittently provides the commutation instruction then, make reversal valve 5 do the both sides commutation, so right heat-accumulating burner 2 becomes the air inducing burner from the air blast burner, left heat-accumulating burner 3 becomes the air blast burner from the air inducing burner, and coal gas burner 4 remains unchanged, continue to send into coal gas and burn, need not frequent shutoff to ladle jar 6 inside.The hocket operation of air blast and air inducing of two heat-accumulating burners 2,3,7 pairs of air flowing of the heat storage of its air blast side heat, and in ladle jar 6, send into high temperature air, the heat storage 7 of air inducing side absorbs the heat of remaining flue gas, to be changedly carry out again air is carried out preheating as the air blast side backward, so that improve the ignition point of coal gas, the efficiency of combustion of coal gas is increased, reach effective purpose of energy saving.Fully mix in the bag jar because its main fire of the utility model is coal gas, air, evenly burning is so claim that this burning form is that diffuse type toasts.The flame of this burning form is longer, can be more effectively to toasting at the bottom of the jar, make that bag jar mouth is minimum with the temperature difference of bottom, have than the efficient of high combustion and make ladle lid 1 be heated evenly, reduced the differences in expansion that temperature height difference causes, performance to roasting plant self also has better guarantees, and prolong service life.Particularly thoroughly eliminated the tempering phenomenon of the inner coal gas of heat-accumulating burner, guaranteed the stability and the security of the work of this device, simple in structure, easy to make, energy consumption and production cost are lower.
Claims (1)
1. dispersed combustion formula ladle baking facilities, in ladle lid arranged outside two heat-accumulating burners are arranged, the inside of heat-accumulating burner is provided with heat storage, it is inboard that one end of heat-accumulating burner leads to the ladle lid, it is characterized in that: the other end of described heat-accumulating burner is communicated with reversal valve through air duct, also be provided with a coal gas burner between two heat-accumulating burners in the ladle lid outside, the gas outlet of described coal gas burner is arranged on the inboard of ladle lid, and its air inlet is communicated with gas pipe through pipeline, valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200662346U CN201168777Y (en) | 2008-03-27 | 2008-03-27 | Dispersion combustion type steel ladle baking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200662346U CN201168777Y (en) | 2008-03-27 | 2008-03-27 | Dispersion combustion type steel ladle baking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201168777Y true CN201168777Y (en) | 2008-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200662346U Expired - Lifetime CN201168777Y (en) | 2008-03-27 | 2008-03-27 | Dispersion combustion type steel ladle baking apparatus |
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| CN (1) | CN201168777Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668544A (en) * | 2013-11-26 | 2015-06-03 | 中外炉工业株式会社 | Heating apparatus for molten metal container |
| CN107062224A (en) * | 2017-06-08 | 2017-08-18 | 深圳市鸿效节能股份有限公司 | A kind of disperse formula Regenerative Combustion System |
| CN108343963A (en) * | 2018-04-13 | 2018-07-31 | 岳阳鑫特铝业科技设备有限公司 | A kind of controllable mixing disperse formula heat storage burner |
| CN114711390A (en) * | 2022-04-24 | 2022-07-08 | 金菜地食品股份有限公司 | Process for preparing flavored roasted sausage by taking fermented bean dregs as auxiliary material |
| CN114794194A (en) * | 2022-04-24 | 2022-07-29 | 金菜地食品股份有限公司 | Production process of fermented type flowing-core cake and production line for making cake |
-
2008
- 2008-03-27 CN CNU2008200662346U patent/CN201168777Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668544A (en) * | 2013-11-26 | 2015-06-03 | 中外炉工业株式会社 | Heating apparatus for molten metal container |
| CN104668544B (en) * | 2013-11-26 | 2016-05-11 | 中外炉工业株式会社 | The heater of melt vessel |
| CN107062224A (en) * | 2017-06-08 | 2017-08-18 | 深圳市鸿效节能股份有限公司 | A kind of disperse formula Regenerative Combustion System |
| CN107062224B (en) * | 2017-06-08 | 2023-09-29 | 深圳市鸿效节能股份有限公司 | Dispersion type heat storage combustion system |
| CN108343963A (en) * | 2018-04-13 | 2018-07-31 | 岳阳鑫特铝业科技设备有限公司 | A kind of controllable mixing disperse formula heat storage burner |
| CN114711390A (en) * | 2022-04-24 | 2022-07-08 | 金菜地食品股份有限公司 | Process for preparing flavored roasted sausage by taking fermented bean dregs as auxiliary material |
| CN114794194A (en) * | 2022-04-24 | 2022-07-29 | 金菜地食品股份有限公司 | Production process of fermented type flowing-core cake and production line for making cake |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081224 |
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| CX01 | Expiry of patent term |