CN207214046U - A kind of novel energy-conserving ladle baking facilities - Google Patents
A kind of novel energy-conserving ladle baking facilities Download PDFInfo
- Publication number
- CN207214046U CN207214046U CN201720930791.7U CN201720930791U CN207214046U CN 207214046 U CN207214046 U CN 207214046U CN 201720930791 U CN201720930791 U CN 201720930791U CN 207214046 U CN207214046 U CN 207214046U
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- China
- Prior art keywords
- burner
- clad
- preheating
- ladle baking
- self
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Links
- 239000007789 gas Substances 0.000 claims abstract description 38
- 239000000567 combustion gas Substances 0.000 claims abstract description 19
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 239000002737 fuel gas Substances 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 8
- 239000002657 fibrous material Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 208000021760 high fever Diseases 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Gas Burners (AREA)
Abstract
The utility model discloses a kind of novel energy-conserving ladle baking facilities, including inclusion, clad and self-preheating burner, the self-preheating burner is arranged on clad center, self-preheating burner is embedded, and bottom is stretched into inside inclusion, and self-preheating burner includes burner, preheating chamber, the combustion gas mouth of pipe and the air mouth of pipe；Preheating chamber includes blast tube, air duct and exhaust gases passes, and exhaust gases passes are set around air duct and blast tube.Ladle baking facilities of the present utility model reduce fuel consumption using self-preheating burner recovery high-temperature tail gas；Embedded preheated burning device stretches into burner and preheating chamber inside ladle baking facilities, and flame can directly reach ladle bottom, improves heat transfer efficiency, and the clad structure of fully fibrous structure reduces clad caloric receptivity, reduces the external heat dissipation capacity of clad, saved the energy.
Description
Technical field
Field of metallurgy, more particularly to a kind of ladle baking facilities of steel plant's continuous casting workshop are the utility model is related to, specifically
For a kind of novel energy-conserving ladle baking facilities.
Background technology
Initial stage in 2000, when heat storage type combustion tentatively rises in China, once there is a collection of heat storage type combustion roaster
Structure.Due to the factor such as hypertonia, structure problem in air flow shortcircuit, bag, all without the using effect obtained.At present mostly
Original fired state recovers again in number steel mill, is direct-fired burner, directly burns, and smoke directly ventilating, is filled without any waste heat recovery
Put.Considered with 950 DEG C of baking temperature, 950 DEG C of smog discharge temperature, substantial amounts of waste heat wastes, and most of high factories make
With fuel gas with low heat value, such as blast-furnace gas, theoretical temperature combustion is not high, wastes even more serious.Early stage blast-furnace gas by technology restriction,
Blast-furnace gas utilization rate is not high, and blast-furnace gas generation technology is ripe at present and uses, and each enterprise greatly develops internal generating
Background under, save combustion gas turn into each enterprise urgent task, the energy-saving attention for having caused each enterprise of roaster.Exploitation tool
The roaster for having obvious energy saving effect has realistic meaning.
Present ladle baking facility is primarily present problems with：
1st, burner flame is generally shorter, and flame can not impact ladle bottom, and this body structure of ladle requires ladle bottom again
Refractory lining is thicker, is not easy to toast.
2nd, waste heat does not utilize：In a collection of heat storing type ladle baker that early stage occurs, because side is burnt, opposite side is just
Need to discharge fume, negative pressure is just big when needing during burning the big flame of kinetic energy just to have and go out power, and discharging fume, it is easy to causes short circuit.It is existing
The large quantities of heat storage type combustion roasters having all have been changed to direct-fired, i.e. traditional combustion, directly discharge fume, and air gas do not preheat,
There is no recovery waste heat, cause energy waste.
3rd, ladle is hollow structure, and burner flame effective coverage is too small for ladle space, and flame can not be effective
It is radiated ladle liner.
4th, current clad is castable moulding by casting, and castable caloric receptivity is big, and heat dissipation capacity is big, causes energy waste.
Utility model content
Purpose of utility model：For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of new
Save ladle baking facilities, it is possible to achieve the target of energy consumption is greatly reduced in ladle baking.
Technical scheme：To reach above-mentioned purpose of utility model, the technical scheme of use is as follows：
A kind of novel energy-conserving ladle baking facilities, including inclusion, clad and self-preheating burner, the self-preheating burner
Installed in clad center, the self-preheating burner to be embedded, stretch into inside inclusion by the bottom of self-preheating burner, it is described from
Preheated burning device includes burner, preheating chamber, the combustion gas mouth of pipe and the air mouth of pipe；The preheating chamber includes blast tube, air duct
And exhaust gases passes, exhaust gases passes are set around air duct and blast tube, the air intake and air hose of the air duct
Mouth connection, the fuel gas inlet of blast tube are connected with the combustion gas mouth of pipe, the outlet of air duct and the outlet of blast tube and burner
Connection；The exhaust gases passes include smoke inlet and exhanst gas outlet, and with being connected inside inclusion, the flue gas goes out the smoke inlet
Mouth is communicated to the outside of ladle baking facilities.
Preferably, the blast tube is vertically provided at the middle part of preheating chamber, the air duct and exhaust gases passes are set
It is set to serpentine coil.
Preferably, the air duct and exhaust gases passes are respectively arranged with two groups, positioned at the both sides of blast tube.
Preferably, be provided with valve on the exhaust gases passes, during using fuel gas with low heat value, valve, high temperature cigarette are opened
Gas preheated air and combustion gas；During high heating value combustion gas, valve, high-temperature flue gas preheated air are closed.
Preferably, the valve is electric control valve, the electric device connection ladle baking dress of the electric control valve
Put the controller of outside.
Preferably, the clad is flip structure, the clamshell clad outer surface is connected with drive mechanism.
Preferably, the clad is clad made of fibrous material, the fibrous material is alumina-silicate ceramic fibre.
Beneficial effect：Compared with prior art, the utility model has the advantage of：
Ladle baking facilities of the present utility model utilize self-preheating burner Mist heat recovering, the combustion to entering burner
Gas and air are passed through burner after being preheated and burnt again, reduce fuel consumption, energy-saving and emission-reduction；Reduction know clearly ladle baking
Roasting cost；Preheated burning device is embedded structure, and burner and preheating chamber are stretched into inside ladle baking facilities, in baking,
Flame can directly reach ladle bottom, improve heat transfer efficiency, equally also reduce fuel consumption；The clad knot of fully fibrous structure
Structure reduces clad caloric receptivity, reduces the external heat dissipation capacity of clad, has saved the energy.
Brief description of the drawings
Fig. 1 is novel energy-conserving ladle baking facilities cross-sectional view；
Fig. 2 is the structural representation of preheating chamber in novel energy-conserving ladle baking facilities.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is furtherd elucidate, embodiment is with the utility model skill
Implemented under premised on art scheme, it should be understood that these embodiments are merely to illustrate the utility model rather than limit this practicality
New scope.
As depicted in figs. 1 and 2, a kind of novel energy-conserving ladle baking facilities, it is main to include inclusion 1, certainly clad 2 and preheating combustion
Burner 3, base 4 is additionally provided with the bottom of inclusion 1, self-preheating burner 3 is arranged on the center of clad 2, and self-preheating burner 3 is
Embedded, the bottom of self-preheating burner 3 is stretched into inside inclusion 1, and top is located at outside clad 2, is set in the outer surface of clad 2
There is clad flat board 5, the position on self-preheating burner 3 above clad flat board 5 is provided with limiting plate 6, can pass through limit
Self-preheating burner 3 is firmly fixed on clad 2 by position plate 6.
Self-preheating burner 3 includes burner 31, preheating chamber 32, the combustion gas mouth of pipe 33 and the air mouth of pipe 34, and burner 31 is arranged at
The lower section of preheating chamber 32 simultaneously connects with preheating chamber 32, and the combustion gas mouth of pipe 33 and the air mouth of pipe 34 are arranged on the upper of self-preheating burner 3
Portion, and preheating chamber 32 is connected respectively.
Preheating chamber 32 includes three passages, respectively blast tube 321, air duct 322 and exhaust gases passes 323, flue gas
Passage 323 is set around air duct 322 and blast tube 321, wherein the air intake of air duct 322 and the air mouth of pipe 34
Connection, the air outlet slit of air duct are connected with burner 31；The fuel gas inlet of blast tube 321 is connected with the combustion gas mouth of pipe 33, combustion
The gas outlet of gas passage 321 is connected with burner 31.Exhaust gases passes 323 include smoke inlet and exhanst gas outlet, smoke inlet with
The inside of inclusion 1 connects, and exhanst gas outlet is communicated to the outside of ladle baking facilities.The smoke inlet recovery inclusion 1 of exhaust gases passes 323
Internal high-temperature flue gas, high-temperature flue gas is entered in exhaust gases passes 323 and circulated, and the combustion gas in preheated fuel gas passage 321
With the air in air duct 322, the high fever flue-gas temperature after circulation is reduced, is expelled to from exhanst gas outlet outside inclusion 1.
Blast tube 321 is vertically provided at the middle part of preheating chamber 32, and air duct 322 and exhaust gases passes 323 are arranged to snake
Shape coil pipe.Air duct 322 and exhaust gases passes 323 are respectively arranged with two groups, positioned at the both sides of blast tube 321.Serpentine coil
The setting of mode so that high-temperature flue gas residence time in exhaust gases passes is longer, is grown to the preheating time of air and combustion gas, efficiency
It is high.Combustion gas and air are preheated using the high-temperature flue gas of recycling, reduce the fuel consumption of preheating chamber, energy-conservation subtracts
Row.
Valve 324 is provided with exhaust gases passes, during using fuel gas with low heat value, opens valve 324, high-temperature flue gas preheating is empty
Gas and combustion gas；During high heating value combustion gas, valve 324, high-temperature flue gas preheated air are closed.Valve 324 is motorized adjustment
Valve, the electric device of electric control valve connect the controller outside ladle baking facilities.
Clad 2 is flip structure, and one end of clamshell clad outer surface is connected with drive mechanism, drive mechanism connection steel
Controller outside bag apparatus for baking.The ladle baking facilities of flip structure can reduce the power of drive mechanism, efficient energy-saving.
Clad 2 is clad made of fibrous material, and fibrous material is fire resisting and the preferable alumina-silicate ceramic fibre of heat-insulating property, undulation degree
Material caloric receptivity is few so that clad heat dissipation capacity is few, prevents heat of the ladle baking facilities during ladle baking to scatter and disappear, and saves
The energy, reduce operating cost.
In summary, ladle baking facilities of the present utility model utilize self-preheating burner Mist heat recovering, to entering
The combustion gas of burner and air are passed through burner after being preheated and burnt again, reduce fuel consumption, energy-saving and emission-reduction；Reduce
Know clearly the cost of ladle baking；Preheated burning device is embedded structure, and burner and preheating chamber are stretched into inside ladle baking facilities,
In baking, flame can directly reach ladle bottom, improve heat transfer efficiency, equally also reduce fuel consumption；Whole fiber knot
The clad structure of structure reduces clad caloric receptivity, reduces the external heat dissipation capacity of clad, has saved the energy.
The utility model is illustrated according to above-described embodiment, it will be appreciated that above-described embodiment does not limit in any form
Determine the utility model, all technical schemes obtained using equivalent substitution or equivalent transformation mode, all fall within of the present utility model
Within protection domain.
Claims (7)
- A kind of 1. novel energy-conserving ladle baking facilities, it is characterised in that：Including inclusion (1), clad (2) and self-preheating burner (3), the self-preheating burner (3) is arranged on clad (2) center, and the self-preheating burner (3) is embedded, from preheating combustion Inclusion (1) inside is stretched into the bottom of burner (3), and the self-preheating burner (3) includes burner (31), preheating chamber (32), combustion gas The mouth of pipe (33) and the air mouth of pipe (34)；The preheating chamber (32) includes blast tube (321), and air duct (322) and flue gas lead to Road (323), exhaust gases passes (323) are set around air duct (322) and blast tube (321), the air duct (322) Air intake is connected with the air mouth of pipe (34), and the fuel gas inlet of blast tube (321) is connected with the combustion gas mouth of pipe (33), air duct (322) outlet and the outlet of blast tube (321) is connected with burner (31)；The exhaust gases passes (323) include smoke inlet And exhanst gas outlet, for the smoke inlet with being connected inside inclusion (1), the exhanst gas outlet is communicated to the outer of ladle baking facilities Portion.
- 2. novel energy-conserving ladle baking facilities according to claim 1, it is characterised in that：The blast tube (321) is perpendicular To the middle part for being arranged on preheating chamber (32), the air duct (322) and exhaust gases passes (323) are arranged to serpentine coil.
- 3. novel energy-conserving ladle baking facilities according to claim 2, it is characterised in that：The air duct (322) and Exhaust gases passes (323) are respectively arranged with two groups, positioned at the both sides of blast tube (321).
- 4. novel energy-conserving ladle baking facilities according to claim 1, it is characterised in that：Set on the exhaust gases passes There is valve (324), during using fuel gas with low heat value, open valve (324), high-temperature flue gas preheated air and combustion gas；The high fever in When being worth combustion gas, valve (324), high-temperature flue gas preheated air are closed.
- 5. novel energy-conserving ladle baking facilities according to claim 4, it is characterised in that：The valve (324) is electronic Regulating valve, the electric device of the electric control valve connect the controller outside ladle baking facilities.
- 6. novel energy-conserving ladle baking facilities according to claim 1, it is characterised in that：The clad (2) is clamshell Structure, the clamshell clad outer surface are connected with drive mechanism.
- 7. novel energy-conserving ladle baking facilities according to claim 1, it is characterised in that：The clad (2) is undulation degree Clad made of material, the fibrous material are alumina-silicate ceramic fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930791.7U CN207214046U (en) | 2017-07-28 | 2017-07-28 | A kind of novel energy-conserving ladle baking facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930791.7U CN207214046U (en) | 2017-07-28 | 2017-07-28 | A kind of novel energy-conserving ladle baking facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207214046U true CN207214046U (en) | 2018-04-10 |
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ID=61814613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930791.7U Active CN207214046U (en) | 2017-07-28 | 2017-07-28 | A kind of novel energy-conserving ladle baking facilities |
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| Country | Link |
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| CN (1) | CN207214046U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405569A (en) * | 2018-12-04 | 2019-03-01 | 天津博昶节能科技发展有限公司 | A kind of flue gas recovery device for Ladle-casting apparatus |
| 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 |
| CN112944341A (en) * | 2021-03-19 | 2021-06-11 | 鞍山炉艺节能技术有限公司 | AOD stove roaster that can fully toast |
| CN114985716A (en) * | 2022-06-28 | 2022-09-02 | 东北大学 | A pure oxygen combustion type ladle baking device and method for recycling and utilizing waste heat of flue gas |
-
2017
- 2017-07-28 CN CN201720930791.7U patent/CN207214046U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405569A (en) * | 2018-12-04 | 2019-03-01 | 天津博昶节能科技发展有限公司 | A kind of flue gas recovery device for Ladle-casting apparatus |
| 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 |
| CN112944341A (en) * | 2021-03-19 | 2021-06-11 | 鞍山炉艺节能技术有限公司 | AOD stove roaster that can fully toast |
| CN114985716A (en) * | 2022-06-28 | 2022-09-02 | 东北大学 | A pure oxygen combustion type ladle baking device and method for recycling and utilizing waste heat of flue gas |
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