CN201124229Y - Self-heating exchange baker - Google Patents
Self-heating exchange baker Download PDFInfo
- Publication number
- CN201124229Y CN201124229Y CNU2008200358736U CN200820035873U CN201124229Y CN 201124229 Y CN201124229 Y CN 201124229Y CN U2008200358736 U CNU2008200358736 U CN U2008200358736U CN 200820035873 U CN200820035873 U CN 200820035873U CN 201124229 Y CN201124229 Y CN 201124229Y
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- hinged beam
- coal gas
- burner
- clad
- air
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Abstract
The utility model discloses a self-heating exchanging roaster in the field of steel production equipment. The roaster comprises a cover connected with two transverse arms connected with a hinged beam, a burner arranged on the cover, a discharger connected with the cover through an exhaust pipe, wherein the hinged beam and the transverse beams are hollow and are separated from each other through a first separator; the hinged beam is provided with a coal gas inlet at one end and an air inlet at the other end; the air inlet is communicated with an air inlet of the burner through an annular air heat-exchanging cavity arranged on the outer periphery of the cover; a shell-type coal gas self-heating exchanger is arranged on the exhaust pipe and is connected with the exhaust pipe at the upper and the lower ends of the pipe cavity of the coal gas self-heating exchanger; the shell cavity of the coal gas self-heating exchanger is communicated with the coal gas inlet through corresponding inner cavity of the transverse arms and the inner cavity of the hinged beam on one side and is connected with a coal gas inlet on the burner on the other side. The self-heating exchanging roaster has the advantages of reasonable structure, less consumption of coal gas, and can save energy resources and achieve safe and reliable operation by using fuel with low calorific valve. The self-heating exchanging roaster is specifically applied to pre-heating molten steel ladle and molten iron ladle.
Description
Technical field
The utility model relates to a kind of production equipment of steel and iron industry, particularly steel ladle, ladle before using to toasting the equipment of heating in wrapping.
Background technology
Very strict to the temperature requirement in the ladle in the STEELMAKING PRODUCTION, the quality of ladle baking plays crucial effects to production.Steel ladle of the prior art or ladle, mainly comprise inclusion, the inclusion top is provided with clad, is connected with two transverse arms on the clad, and transverse arm is connected with a horizontally disposed hinged beam, hinged beam two ends are rotatably supported in the column upper end respectively, also be connected with a lifting arm of force on the hinged beam, clad is provided with a burner, and described burner is provided with a gas inlet and an air intlet, the burner of burner also is connected with an escaper through blast pipe towards the inclusion inboard on the clad.During this device work, clad can be opened or closed by the lifting arm of force, when needs heat inclusion, close clad, infeed coal gas and combustion air respectively from gas inlet and air intlet, light at the place at burner, and the flame of burner ejection can be preheating to proper temperature with inclusion.Its weak point is: infeed interior coal gas of device and combustion air and be in the normal temperature state, its temperature is lower, can not reach desirable caloric value, makes inclusion need consume more coal gas and just can reach preheat temperature; In addition, the part heat of clad is delivered on transverse arm, the hinged beam, make the temperature of transverse arm, hinged beam higher, has reduced the bearing capacity of transverse arm, hinged beam.
The utility model content
The purpose of this utility model provides a kind of from the heat exchange roaster, makes inclusion be warmed up to operating temperature sooner, can save energy, and reduces the toxic emission temperature, has reduced the influence to atmosphere.
The purpose of this utility model is achieved in that from the heat exchange roaster, comprise and to hide inclusion clad suitable for reading, be connected with two transverse arms on the clad, transverse arm is connected with a horizontally disposed hinged beam, hinged beam two ends are rotatably supported in the column upper end respectively, also be connected with a lifting arm of force on the hinged beam, clad is provided with a burner, described burner is provided with a gas inlet and an air intlet, the burner of burner also is connected with an escaper through blast pipe towards the inclusion inboard on the clad; Described hinged beam and transverse arm hollow, between two transverse arms, be provided with first dividing plate in the hinged beam, hinged beam one end is provided with gas entry, the other end is provided with air intake, the clad neighboring is provided with the air heat exchange cavity of an annular, be provided with second partition in the air heat exchange cavity, the air heat exchange cavity of second partition one side is connected with air intake through the transverse arm inner chamber of a side, hinged beam inner chamber, and the air heat exchange cavity of second partition opposite side is connected with the air intlet of described burner; Described blast pipe is provided with shell-and-tube coal gas automatic heat-exchanger, described coal gas automatic heat-exchanger comprises a housing, be provided with two mutual parallel multitube connecting plates in the housing, the heat exchanger tube that communicates through some two ends between the multitube connecting plate is connected, between the two multitube connecting plates and the cavity outside heat exchanger tube and between the housing be the shell chamber, the housing inner chamber at multitube connecting plate two ends and heat exchanger tube internal cavity are tube chamber, described tube chamber upper and lower side is connected with blast pipe, described shell chamber one side is through corresponding transverse arm inner chamber, hinged beam inner chamber is connected with gas entry, and shell chamber opposite side links to each other with gas inlet on the described burner.
During the utility model work, clad can be opened or closed by the lifting arm of force, when needs heat inclusion, close clad, infeed coal gas and combustion air respectively from gas inlet and air intlet, light at the place at burner, the flame of burner ejection heats up inclusion in advance, and the flue gas with higher temperature after the burning outwards discharges from escaper through blast pipe, coal gas automatic heat-exchanger, in the coal gas automatic heat-exchanger, the outer coal gas of flue gas and heat exchanger tube carries out heat exchange, heats to coal gas; Combustion air enters air intlet after air heat exchange cavity flows a circle in clad, the heat transferred combustion air of clad makes it to heat up; Coal gas after the intensification and combustion air mixed combustion can produce higher temperature, and it is more abundant to burn, and ignition temperature can reach more than 1420 ℃, and the temperature in the ladle after the baking can reach more than 1200 ℃.In addition, when coal gas and combustion air process transverse arm and hinged beam, can reduce the temperature of transverse arm and hinged beam, guarantee the bearing capacity of transverse arm and hinged beam.Compared with prior art, the utility model structure is more reasonable, can make inclusion reach coal gas that operating temperature consumes still less, can use low calorie fuels, has saved the energy, and is safe and reliable.The utility model is exclusively used in the preheating of steel ladle, ladle.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is a coal gas self-heating heat converter structure schematic diagram.
Wherein, 1 clad, 2 air heat exchange cavitys, 3 inclusions, 4 columns, the 5 lifting arm of forces, 6 hinged beams, 7 transverse arms, 8 escapers, 9 blast pipes, 10 coal gas automatic heat-exchangers, 11 burners, 12 first dividing plates, 13 gas entries, 14 air intakes, 15 gas inlets, 16 air intlets, 17 second partitions, 18 multitube connecting plates, 19 housings, 20 tube chambers, 21 shell chambeies, 22 heat exchanger tubes.
The specific embodiment
As Fig. 1-3, for from the heat exchange roaster, comprise and to hide inclusion 3 clad 1 suitable for reading, be connected with two transverse arms 7 on the clad 1, transverse arm 7 is connected with a horizontally disposed hinged beam 6, hinged beam 6 two ends are rotatably supported in column 4 upper ends respectively, also be connected with a lifting arm of force 5 on the hinged beam 6, clad 1 is provided with a burner 11, burner 11 is provided with a gas inlet 15 and an air intlet 16, the burner of burner 11 also is connected with an escaper 8 through blast pipe 9 towards inclusion 3 inboards on the clad 1; Hinged beam 6 and transverse arm 7 hollows, between two transverse arms 7, be provided with first dividing plate 12 in the hinged beam 6, hinged beam 6 one ends are provided with gas entry 13, the other end is provided with air intake 14, clad 1 neighboring is provided with the air heat exchange cavity 2 of an annular, be provided with second partition 17 in the air heat exchange cavity 2, the air heat exchange cavity 2 of second partition 17 1 sides is connected with air intake 14 through the transverse arm inner chamber of a side, hinged beam inner chamber, and the air heat exchange cavity 2 of second partition 17 opposite sides is connected with the air intlet 16 of described burner 11; Described blast pipe 9 is provided with shell-and-tube coal gas automatic heat-exchanger 10, this coal gas automatic heat-exchanger 10 comprises a housing 19, be provided with two mutual parallel multitube connecting plates 18 in the housing 19, heat exchanger tube 22 through some both ends opens between the multitube connecting plate 18 is connected, between the two multitube connecting plates 18 and outside heat exchanger tube 22 and the cavity between the housing 19 be shell chamber 21, the housing inner chamber at multitube connecting plate 18 two ends and heat exchanger tube 22 internal cavities are tube chamber 20, described tube chamber 20 upper and lower sides are connected with blast pipe 9, described shell chamber 21 1 sides are through corresponding transverse arm inner chamber, hinged beam inner chamber is connected with gas entry 13, and shell chamber 21 opposite sides link to each other with gas inlet 15 on the described burner 11.
During this device work, clad 1 can be opened or closed by the lifting arm of force 5, when needs heat inclusion 3, close clad 1, after import 15 and air preheat, infeed coal gas and combustion air respectively behind the gas preheating from import 16, light at the place at burner, the flame of burner ejection heats up inclusion 3 in advance, the flue gas with higher temperature after the burning outwards discharges from escaper 8 through blast pipe 9, coal gas automatic heat-exchanger 10, in coal gas automatic heat-exchanger 10, coal gas outside flue gas and the heat exchanger tube 23 carries out heat exchange, heats to coal gas; Combustion air enters air intlet 16 after air heat exchange cavity 2 flows a circle in clad 1, the heat transferred combustion air of clad 1 makes it to heat up; Coal gas after the intensification and combustion air mixed combustion can produce higher temperature, and it is more abundant to burn, and when coal gas and combustion air process transverse arm 7 and hinged beam 6, can reduce the temperature of transverse arm 7 and hinged beam 6, have guaranteed the bearing capacity of transverse arm 7 and hinged beam 6.
The scope of application of this device and performance:
1, fuel type: various calorific value fuel gas, especially suitable low-calorie blast furnace gas and producer gas.
2, gaseous-pressure: 3-8kpa.
3, stoving time and temperature: online 12min, off-line 1.5h, new bag is decided according to anti-material.
4, the temperature difference＜20 ℃ in the bag.
5, baking temperature: exotic fuels＞1300 ℃, blast furnace or producer gas＞1200 ℃.
The advantage of this device:
1, structure is more reasonable, and transverse arm has obtained cooling in ventilating coal gas and combustion air.
2, baking temperature＞common roaster is 150～300 ℃.
3, compare with the heat accumulating type roaster, temperature is identical.
4, the temperature that has made full use of the waste gas of burning has obtained from heat exchange fuel and air, does not need any power source, has reached environmental protection.
5, save the coal gas amount more than 30%, reached energy-saving effect.
6, in heat exchange, clad has obtained cooling, and the life-span of clad is improved 3 times.
7, solved and used low calorie fuels, got the new approach of band exotic fuels, replaced for the coal gas of long-established enterprise and lay the first stone.
8, reduced high-temperature exhaust gas discharging temperature, reduced pollution atmosphere.
Claims (1)
1, from the heat exchange roaster, comprise and to hide inclusion clad suitable for reading, be connected with two transverse arms on the clad, transverse arm is connected with a horizontally disposed hinged beam, and hinged beam two ends are rotatably supported in the column upper end respectively, also are connected with a lifting arm of force on the hinged beam, clad is provided with a burner, described burner is provided with a gas inlet and an air intlet, and the burner of burner also is connected with an escaper through blast pipe towards the inclusion inboard on the clad; It is characterized in that: described hinged beam and transverse arm hollow, between two transverse arms, be provided with first dividing plate in the hinged beam, hinged beam one end is provided with gas entry, the other end is provided with air intake, the clad neighboring is provided with the air heat exchange cavity of an annular, be provided with second partition in the air heat exchange cavity, the air heat exchange cavity of second partition one side is connected with air intake through the transverse arm inner chamber of a side, hinged beam inner chamber, and the air heat exchange cavity of second partition opposite side is connected with the air intlet of described burner; Described blast pipe is provided with shell-and-tube coal gas automatic heat-exchanger, described coal gas automatic heat-exchanger comprises a housing, be provided with two mutual parallel multitube connecting plates in the housing, heat exchanger tube through some both ends opens between the multitube connecting plate is connected, between the multitube connecting plate and the cavity outside heat exchanger tube and between the housing be the shell chamber, the housing inner chamber at multitube connecting plate two ends and heat exchanger tube internal cavity are tube chamber, described tube chamber upper and lower side is connected with blast pipe, described shell chamber one side is through corresponding transverse arm inner chamber, hinged beam inner chamber is connected with gas entry, and shell chamber opposite side links to each other with gas inlet on the described burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200358736U CN201124229Y (en) | 2008-05-20 | 2008-05-20 | Self-heating exchange baker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200358736U CN201124229Y (en) | 2008-05-20 | 2008-05-20 | Self-heating exchange baker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201124229Y true CN201124229Y (en) | 2008-10-01 |
Family
ID=39997644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200358736U Expired - Fee Related CN201124229Y (en) | 2008-05-20 | 2008-05-20 | Self-heating exchange baker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201124229Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218525A (en) * | 2011-05-25 | 2011-10-19 | 浙江大学 | High-efficiency energy-saving baking device of continuous casting tundish |
| CN102847926A (en) * | 2012-09-03 | 2013-01-02 | 中冶南方工程技术有限公司 | Rapid roasting method and device for ladle |
| CN104070155B (en) * | 2014-07-10 | 2018-12-18 | 武安市飞翔金属制品有限公司 | Barrel cage baking heat exchange lid |
| CN112122600A (en) * | 2020-09-25 | 2020-12-25 | 河北煜剑节能技术有限公司 | Novel ladle cover capable of comprehensively utilizing waste heat |
| CN114985716A (en) * | 2022-06-28 | 2022-09-02 | 东北大学 | Pure oxygen combustion type ladle baking device and method for recycling flue gas waste heat |
-
2008
- 2008-05-20 CN CNU2008200358736U patent/CN201124229Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218525A (en) * | 2011-05-25 | 2011-10-19 | 浙江大学 | High-efficiency energy-saving baking device of continuous casting tundish |
| CN102847926A (en) * | 2012-09-03 | 2013-01-02 | 中冶南方工程技术有限公司 | Rapid roasting method and device for ladle |
| CN102847926B (en) * | 2012-09-03 | 2015-06-17 | 中冶南方工程技术有限公司 | Rapid roasting method and device for ladle |
| CN104070155B (en) * | 2014-07-10 | 2018-12-18 | 武安市飞翔金属制品有限公司 | Barrel cage baking heat exchange lid |
| CN112122600A (en) * | 2020-09-25 | 2020-12-25 | 河北煜剑节能技术有限公司 | Novel ladle cover capable of comprehensively utilizing waste heat |
| CN112122600B (en) * | 2020-09-25 | 2022-03-01 | 河北煜剑节能技术有限公司 | Novel ladle cover capable of comprehensively utilizing waste heat |
| CN114985716A (en) * | 2022-06-28 | 2022-09-02 | 东北大学 | Pure oxygen combustion type ladle baking device and method for recycling flue gas waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20110520 |