CN204514035U - Double heat storage type gas heating furnace - Google Patents
Double heat storage type gas heating furnace Download PDFInfo
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- CN204514035U CN204514035U CN201520164379.XU CN201520164379U CN204514035U CN 204514035 U CN204514035 U CN 204514035U CN 201520164379 U CN201520164379 U CN 201520164379U CN 204514035 U CN204514035 U CN 204514035U
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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Abstract
The utility model discloses double heat storage type gas heating furnace, belong to industrial oven in order, its structure comprises body of heater and reversing arrangement, body of heater comprises combustion chamber, regenerator, heat-insulation layer and steel construction, regenerator at least comprises a pair regenerator A and regenerator B, regenerator A and regenerator B is at least arranged respectively one and have burning spout A and burning spout B, heat storage is respectively arranged with in regenerator A and in regenerator B, natural gas line and flue gas/comburent air duct are divided into two-way respectively, one tunnel is connected with burning spout A through regenerator A, another road is connected with burning spout B through regenerator B, flue gas/comburent air duct is connected with smoke discharging pipe by changement, natural gas line, flue gas/comburent air duct is connected with fire power regulator with smoke discharging pipe.The utility model has the high-temperature flue gas waste heat limit and reclaims, and the thermal efficiency greatly improves; The features such as low energy expenditure, minimizing environmental pollution.
Description
Technical field
The utility model relates to a kind of industrial oven in order, especially a kind of double heat storage type gas heating furnace.
Background technology
China's industrial furnace is big power consumer, accounts for 25% of national total energy consumption, is only second to the energy input of thermal power generation and boiler.The energy consumption of heating furnace accounts for more than 90% of industrial furnace total energy consumption, visible heating furnace in China's manufacture field in occupation of very important status.The industrial furnace energy utilization rate of China is lower, its thermal efficiency be on average about 25% wherein forge furnace be 5% ~ 20%, heat-treatment furnace is 8% ~ 25%, and the hot lapse rate of continuous furnace is slightly higher, also only has 30% ~ 40%.And the thermal efficiency average out to about 50% of developed country's Fuel Furnace in the world.Also there are very large potentiality in China's Energy Saving for Industrial Furnace.
The heat accumulating type gas heating furnace of current domestic use is commonly combustion air single heat storage type heating furnace.Recuperative heater is divided into single heat storage type heating furnace and double-regenerative heating furnace by pre-heat storage medium.Single heat storage type heating furnace is exactly only carry out pre-accumulation of heat to fuel or combustion air (being generally combustion air).Two-cuff Technique heating furnace all carries out pre-accumulation of heat to fuel and combustion air exactly.Because single heat storage type heating furnace only carries out pre-accumulation of heat to combustion air, natural gas does not pass through pre-accumulation of heat, and the sensible heat causing the high-temperature flue gas accounting for larger proportion can not get recycling; At thermal technics technical elements, ubiquity firepower regulates single, the break-make of combustion gas can only be leaned on to regulate to the temperature realizing holding stage, because firepower can not regulate again firepower to diminish comparatively greatly, cause the larger waste of combustion gas.High in the heating furnace temperature rise period alternate combustion frequency, each time alternate combustion all exist a part of combustion gas because of commutation cause have little time burning directly discharge with the form of high-temperature flue gas, the unburnt ratio causing combustion gas increases, and the chemical heat loss of combustion gas is risen; Poor at new ideas body of heater process aspect ubiquity furnace insulation, heating furnace radiation loss is large.
Utility model content
Technical assignment of the present utility model provides a kind of double heat storage type gas heating furnace for above-mentioned deficiency of the prior art, this double heat storage type gas heating furnace have reach high-temperature flue gas waste heat close to the limit reclaim, double heat storage type heated by natural gas furnace thermal efficiency is greatly improved; Thus the feature of the sustainable development path of the high-tech content of promotion heating furnace, good economic benefit, low energy expenditure, minimizing environmental pollution.
The utility model solves the technical scheme that its technical problem adopts: it comprises body of heater and reversing arrangement, described body of heater comprises combustion chamber, regenerator, heat-insulation layer and steel construction, described steel construction comprises furnace roof, furnace wall and furnace bottom, furnace roof is arranged on the top of furnace wall, furnace bottom is arranged on the bottom of furnace wall, described heat-insulation layer comprises insulation of wall layer, furnace top insulation layer and furnace bottom heat-insulation layer, described insulation of wall layer, furnace top insulation layer and furnace bottom heat-insulation layer are separately positioned on furnace wall, inside furnace roof and furnace bottom, the front side of described furnace wall and rear side are respectively arranged with charging aperture fire door and discharging opening fire door, described combustion chamber is arranged on furnace roof bottom, described regenerator at least comprises a pair combustion air and natural gas combination regenerator, regenerator A and regenerator B, described regenerator A and regenerator B is at least arranged respectively one and have burning spout A and burning spout B, described burning spout A and burning spout B is each passed through combustion chamber interior wall, heat storage is respectively arranged with in described regenerator A and in regenerator B, the bottom of heat storage is provided with heat storage and supports castor, natural gas line and flue gas/comburent air duct are divided into two-way respectively, one tunnel is connected with burning spout A through regenerator A, another road is connected with burning spout B through regenerator B, flue gas/comburent air duct is connected with smoke discharging pipe by changement, described natural gas line, flue gas/comburent air duct is connected with fire power regulator with smoke discharging pipe.
The described road natural gas line be connected with burning spout A is natural gas line A, and a road flue gas/comburent air duct is flue gas/comburent air duct A; Described another road natural gas line be connected with burning spout B is natural gas line B, and another road flue gas/comburent air duct is flue gas/comburent air duct B; Stretch out between the flue gas/comburent air duct A of regenerator A and burning spout A and be provided with high-temperature flue gas/combustion air furnace bottom passage A and high-temperature flue gas/combustion air furnace wall passage A, high-temperature flue gas/combustion air furnace bottom passage A is connected with flue gas/comburent air duct A, and high-temperature flue gas/combustion air furnace wall passage A is connected with burning spout A; Stretch out between the flue gas/comburent air duct B of regenerator B and burning spout B and be provided with high-temperature flue gas/combustion air furnace bottom channel B and high-temperature flue gas/combustion air furnace wall channel B, high-temperature flue gas/combustion air furnace bottom channel B is connected with flue gas/comburent air duct B, and high-temperature flue gas/combustion air furnace wall channel B is connected with burning spout B.
Described fire power regulator comprises automatically controlled flow proportion valve, combustion air frequency conversion air blast, smoke evacuation frequency converting induced draft fan, first flow control valve, second adjustable valve, 3rd flow control valve, 4th flow control valve, 5th flow control valve, 6th flow control valve, first automatically controlled on-off valve and the second automatically controlled on-off valve, described automatically controlled flow proportion valve is arranged on the end of natural gas line, first flow control valve and the first automatically controlled on-off valve are arranged on natural gas line A, second adjustable valve and the second automatically controlled on-off valve are arranged on natural gas line B, combustion air frequency conversion air blast and the 3rd flow control valve are arranged on flue gas/comburent air duct, 4th flow control valve is arranged on flue gas/comburent air duct A, 5th flow control valve is arranged on flue gas/comburent air duct B, 6th flow control valve and smoke evacuation frequency converting induced draft fan are arranged on smoke discharging pipe.
Described combustion chamber is divided into three sections, is followed successively by preheating zone from front to back, heats 2nd district and heating one district.
Be respectively arranged with burning spout A and burning spout B in described heating two district and heating one district, and the burning spout A heated in a district and burning spout B is more than the burning spout A in heating two district and burning spout B.
Described burning spout A and burning spout B can be arranged on perpend wall, on two-sided wall, on three face walls.Burning spout can be arranged in same layer horizontal plane, in multilayer water plane.The spacing of burning spout on horizontal plane direction can close-packed arrays, loose arrangement, closely arrange with loosening to arrange in pairs or groups.
Fire resisting material of furnace body is provided with between described periphery, combustion chamber and heat-insulation layer.
Described heat storage is regenertive small ball or accumulation of heat honeycomb ceramics.
Described insulation of wall layer is for thickening light thermal-insulation cellucotton and sealing steel plate, and described furnace top insulation layer is for thickening light thermal-insulation cellucotton and light-weight insulating brick, and described furnace bottom heat-insulation layer is light-weight insulating brick and light thermal-insulation cellucotton.
Described charging aperture fire door is charging aperture Whole fiber fire door, and discharging opening fire door is discharging opening Whole fiber fire door.
The integrated whole lifting structure of described furnace roof, furnace wall and furnace bottom.
Described changement is two-position four-way flue gas/air reversing valve.
Double heat storage type gas heating furnace of the present utility model compared to the prior art, there is following outstanding beneficial effect: combustion air and gas fuel realize two pre-accumulation of heat, and high-temperature flue gas sensible heat realizes secondary recovery, thus high-temperature flue gas sensible heat is reached close to the limit reclaim, the thermal efficiency of heating furnace is greatly improved; Combustion air and gas fuel realize pressing the automatic electrodeless control combustion of flow proportional, and temperature rise period firepower is large, quick heating; Holding stage firepower is little, and noise is low, and power consumption is few, gas fuel obvious energy conservation, and the thermal efficiency of heating furnace is further enhanced; High-temperature flue gas waste heat realizes secondary and absorbs, and high-temperature flue gas is first by furnace wall and the furnace bottom of combustion chamber, and a part of heat of high-temperature flue gas passes to workpiece by Inner Wall of Combustion Chamber, and the first order achieving high-temperature flue gas waste heat effectively absorbs; The second level that the Two-cuff Technique burning of heat accumulating type gas heating furnace achieves high-temperature flue gas waste heat effectively absorbs; Greatly reduce the excessive gas heat loss of heating furnace, greatly reduce the frequency of maintenance of body of heater simultaneously, greatly improve the service life of body of heater; Body of heater adopts lightweight refracrory in a large number, and body of heater thermal resistance is large, and Surgery therapy radiation loss reduces greatly; The ratio of fire resisting material of furnace body lightweight refracrory is greatly improved simultaneously, and accumulation of heat loss in combustion chamber also reduces greatly.
Accompanying drawing explanation
Accompanying drawing 1 be double heat storage type gas heating furnace overlook sectional structure schematic diagram;
Accompanying drawing 2 is working state schematic representations of double heat storage type gas heating furnace;
Accompanying drawing 3 is another kind of working state schematic representations of double heat storage type gas heating furnace;
Description of reference numerals: 1. steel construction, 2. insulation of wall layer, 3. regenerator B, 4. charging aperture fire door, 5. burn spout B, 6. preheating zone, 7. fire resisting material of furnace body, 8. high-temperature flue gas/combustion air furnace bottom passage A, 9. regenerator A, 10. high-temperature flue gas/combustion air furnace bottom channel B, 11. heating 2nd district, 12 heating one district, 13.. burn spout A, 14. discharging opening fire doors, 15. smoke discharging pipes, 16. flue gases/comburent air duct B, 17. smoke evacuation frequency converting induced draft fans, 18. flow control valves, 19. flow control valves, 20. two-position four-way flue gas/air reversing valves, 21. flow control valves, 22. flow control valves, 23. combustion air frequency conversion air blasts, 24. furnace bottom heat-insulation layers, 25. flue gases/comburent air duct A, 26. heat storages support castor, 27. heat storages, 28. high-temperature flue gas/combustion air furnace wall passage A, 29. furnace walls, 30. natural gas line A, 31. combustion chambers, 32. flow control valves, 33. flow control valves, 34. automatically controlled flow proportion valves, 35 high-temperature flue gas/combustion air furnace wall channel B, 36. furnace roofs, 37. flow control valves, 38. furnace bottoms, 39. automatically controlled on-off valves, 40. natural gas line B, 41. furnace top insulation layers.
In figure: little single arrow represents the flow direction of natural gas, large single arrow represents the flow direction of combustion air, and double-head arrow represents flue gas flow direction.
Detailed description of the invention
With reference to Figure of description 1 to accompanying drawing 3, double heat storage type gas heating furnace of the present utility model is described in detail below.
Double heat storage type gas heating furnace of the present utility model, its structure comprises body of heater and reversing arrangement, described body of heater comprises combustion chamber 31, regenerator, heat-insulation layer and steel construction 1, described steel construction 1 comprises furnace roof 36, furnace wall 29 and furnace bottom 38, furnace roof 36 is arranged on the top of furnace wall 29, furnace bottom 38 is arranged on the bottom of furnace wall 29, described heat-insulation layer comprises insulation of wall layer 2, furnace top insulation layer 41 and furnace bottom heat-insulation layer 24, described insulation of wall layer 2, furnace top insulation layer 41 and furnace bottom heat-insulation layer 24 are separately positioned on furnace wall, inside furnace roof 36 and furnace bottom, the front side of described furnace wall and rear side are respectively arranged with charging aperture fire door 4 and discharging opening fire door 14, described combustion chamber 31 is arranged on furnace roof 36 bottom, described regenerator at least comprises a pair combustion air and natural gas combination regenerator, regenerator A9 and regenerator B3, described regenerator A9 and regenerator B3 is at least arranged respectively one and have burning spout A13 and burning spout B5, described burning spout A13 and burning spout B5 is each passed through combustion chamber interior wall, heat storage 27 is respectively arranged with in described regenerator A13 and in regenerator B5, the bottom of heat storage 27 is provided with heat storage and supports castor 26, natural gas line and flue gas/comburent air duct are divided into two-way respectively, one tunnel is connected with burning spout A13 through regenerator A9, another road is connected with burning spout B5 through regenerator B3, flue gas/comburent air duct is connected with smoke discharging pipe 15 by changement, described natural gas line, flue gas/comburent air duct is connected with fire power regulator with smoke discharging pipe.
The described road natural gas line be connected with burning spout A13 is natural gas line A30, and a road flue gas/comburent air duct is flue gas/comburent air duct A25; Described another road natural gas line be connected with burning spout B5 is natural gas line B40, and another road flue gas/comburent air duct is flue gas/comburent air duct B16; Stretch out between the flue gas/comburent air duct A25 of regenerator A9 and burning spout A13 and be provided with high-temperature flue gas/combustion air furnace bottom passage A8 and high-temperature flue gas/combustion air furnace wall passage A28, high-temperature flue gas/combustion air furnace bottom passage A8 is connected with flue gas/comburent air duct A25, and high-temperature flue gas/combustion air furnace wall passage A28 is connected with burning spout A13; Stretch out between the flue gas/comburent air duct B16 of regenerator B3 and burning spout B5 and be provided with high-temperature flue gas/combustion air furnace bottom channel B 10 and high-temperature flue gas/combustion air furnace wall channel B 35, high-temperature flue gas/combustion air furnace bottom channel B 10 is connected with flue gas/comburent air duct B16, and high-temperature flue gas/combustion air furnace wall channel B 35 is connected with burning spout B5.
Described fire power regulator comprises automatically controlled flow proportion valve 34, combustion air frequency conversion air blast 23, smoke evacuation frequency converting induced draft fan 17, first flow control valve 33, second adjustable valve 37, 3rd flow control valve 22, 4th flow control valve 21, 5th flow control valve 19, 6th flow control valve 18, first automatically controlled on-off valve 32 and the second automatically controlled on-off valve 39, described automatically controlled flow proportion valve 34 is arranged on the end of natural gas line, first flow control valve 33 and the first automatically controlled on-off valve 32 are arranged on natural gas line A30, second adjustable valve 37 and the second automatically controlled on-off valve 39 are arranged on natural gas line B40, combustion air frequency conversion air blast 23 and the 3rd flow control valve 22 are arranged on flue gas/comburent air duct, 4th flow control valve 21 is arranged on flue gas/comburent air duct A25, 5th flow control valve 19 is arranged on flue gas/comburent air duct B16, 6th flow control valve 18 and smoke evacuation frequency converting induced draft fan 17 are arranged on smoke discharging pipe 15.
Described combustion chamber 31 is divided into three sections, is followed successively by preheating zone 6 from front to back, heats two districts 11 and heating one district 12.
Be respectively arranged with burning spout A13 and burning spout B5 in described heating two district 12 and heating one district 11, and the burning spout A13 heated in a district 11 and burning spout B5 is more than the burning spout A13 in heating two district 12 and burning spout B5.The temperature wherein heating a district 11, higher than heating two district 12, heats the temperature in two districts 12 higher than preheating zone 6.
Described burning spout A13 and burning spout B5 can be arranged on perpend wall, on two-sided wall, on three face walls.Burning spout can be arranged in same layer horizontal plane, in multilayer water plane.The spacing of burning spout on horizontal plane direction can close-packed arrays, loose arrangement, closely arrange with loosening to arrange in pairs or groups.
Fire resisting material of furnace body 7 is provided with between described periphery, combustion chamber 31 and heat-insulation layer.
Described heat storage 27 is regenertive small ball or accumulation of heat honeycomb ceramics.
Described insulation of wall layer 2 is for thickening light thermal-insulation cellucotton and sealing steel plate, and described furnace top insulation layer 41 is for thickening light thermal-insulation cellucotton and light-weight insulating brick, and described furnace bottom heat-insulation layer 24 is light-weight insulating brick and light thermal-insulation cellucotton.
Described charging aperture fire door 4 is charging aperture Whole fiber fire door, and discharging opening fire door 14 is discharging opening Whole fiber fire door.
Described furnace roof 36, furnace wall 29 and the integrated whole lifting structure of furnace bottom 38, add sealing steel plate by shaped steel and form.
Described changement is two-position four-way flue gas/air reversing valve 20.
Double heat storage type gas heating furnace Two-cuff Technique operation principle: burning spout A13, burning spout B5 work in pairs, the burning of the two checker and smoke evacuation, the corresponding conversion heat release of the heat storage 27 in regenerator A9, regenerator B3 and heat absorption state.The combustion air and the natural gas that enter combustion chamber 31 when the spout A13 that burns burns all are heated to higher temperature before participation burning, wherein combustion air flows through the heat storage 27 of putting aside heat and is heated to and participates in burning again lower than chamber temperature 50 DEG C ~ about 150 DEG C, and natural gas flow is heated to above chamber temperature 500 DEG C ~ 600 DEG C temperature participates in burning again through putting aside the heat storage 27 of heat.Meanwhile, burning spout B5 smoke evacuation, flue gas heat absorbs exhaust gas temperature by heat storage 27 and is reduced to≤and about 100 DEG C, after commutation work, burning spout B5 burning, combustion air is same with natural gas to be heated to corresponding higher temperature by heat storage 27 and to participate in burning, burning spout A13 smoke evacuation, and flue gas heat absorbs exhaust gas temperature by heat storage 27 and is reduced to≤and about 100 DEG C.Fig. 2 and Fig. 3 two kinds of duties circulate successively until heated by heated parts.So go round and begin again, by this medium of heat storage 27, the waste heat going out kiln gas be converted into combustion air, natural gas physical sensible heat and be recycled utilization.There is the heat storage 27 of enough heat absorption capacities and emission capacity, fume afterheat can be made to be reclaimed fully, combustion air, natural gas are preheating to very high temperature.Flue gas discharge temperature can drop to≤and 100 DEG C, heat recovery efficiency reaches more than 85%.So not only can save mass energy, greatly can also improve the theoretical temperature combustion of fuel, reduce heat waste rate, improve output.
Double heat storage type gas heating furnace high-temperature flue gas secondary absorbs operation principle: when having the A13 burning of burning spout in combustion chamber 31, first high-temperature flue gas in combustion chamber enters high-temperature flue gas/combustion air furnace wall channel B 35 by burning spout B5, now high-temperature flue gas is by heating furnace wall, high temperature furnace wall heats the workpiece needing heating again, and a part of heat of high-temperature flue gas is passed to by heated work pieces.Then high-temperature flue gas enters high-temperature flue gas/combustion air furnace bottom channel B 10 again, and now high-temperature flue gas is by the bottom of heating furnace, heats the workpiece needing heating again, a part of heat of high-temperature flue gas is passed to again by heated work pieces at the bottom of high temperature furnace.In like manner after commutation work, when being burnt by burning spout B5 in combustion chamber 31, first high-temperature flue gas in combustion chamber enters high-temperature flue gas/combustion air furnace wall passage A28 by burning spout B5, now high-temperature flue gas is by heating furnace wall, high temperature furnace wall heats the workpiece needing heating again, and a part of heat of high-temperature flue gas is passed to by heated work pieces.Then high-temperature flue gas enters high-temperature flue gas/combustion air furnace bottom passage A8 again, and now high-temperature flue gas is by the bottom of heating furnace, heats the workpiece needing heating again, a part of heat of high-temperature flue gas is passed to again by heated work pieces at the bottom of high temperature furnace.Fig. 2 and Fig. 3 two kinds of duties circulate successively until heated by heated parts.So go round and begin again, just achieve the 3 D stereo heating of workpiece, substantially reduce the heat time of workpiece, the first order simultaneously achieving high-temperature flue gas waste heat effectively absorbs.The second level that the Two-cuff Technique burning of heat accumulating type gas heating furnace achieves high-temperature flue gas waste heat effectively absorbs.The secondary so just achieving high-temperature flue gas waste heat absorbs, thus truly reaches reclaiming close to the limit of high-temperature flue gas waste heat.Double heat storage type heated by natural gas furnace thermal efficiency is greatly improved.
The automatic electrodeless adjustment operation principle of double heat storage type gas heating furnace combusting firepower: the stepless automatic adjustment unit of combusting firepower is primarily of combustion air frequency conversion air blast 23, smoke evacuation frequency converting induced draft fan 17, automatically controlled flow proportion valve 34, the 6th flow control valve 18, the 5th flow control valve 19, the 4th flow control valve 21, the 3rd flow control valve 22, second adjustable valve 37, first flow control valve 33, temperature sensor, temperature controller and PC composition.When heating furnace is by the heating of instrument setting technique, when soaking condition, between the heat preservation zone of the temperature value that temperature sensor gathers far below setting value place, workpiece heat heats up by peak power.The temperature signal of now temperature sensor collection enters PC, again by the automatically controlled flow proportion valve 34 of PC programme-control combustion air frequency conversion air blast 23, smoke evacuation frequency converting induced draft fan 17, natural gas, finally realize combustion air, flue gas, natural gas three flow link in proportion to the flow rate zone that heats up, intensification flow rate zone generally accounts for 90% ~ 100% of total flow, and wherein combustion air frequency conversion air blast 23, smoke evacuation frequency converting induced draft fan 17 realize the adjustment of uninterrupted by frequency control.When keeping warm mode, in the temperature range value of the temperature value that temperature sensor gathers between the heat preservation zone at setting value place, workpiece heat carries out insulation by minimum power and maintains.The temperature signal of now temperature sensor collection enters PC, again by the automatically controlled flow proportion valve 34 of PC programme-control combustion air frequency conversion air blast 23, smoke evacuation frequency converting induced draft fan 17, natural gas, finally realize combustion air, flue gas, natural gas three flow link to being incubated flow rate zone in proportion, insulation flow rate zone generally accounts for 5% ~ 30% of total flow.So just achieve the automatic electrodeless adjustment of combusting firepower, temperature rise period firepower is large, and quick heating, firing rate are large.Holding stage firepower is little, and holding temperature reduces the consumption of natural gas simultaneously to greatest extent.Thus combustion efficiency quality is provided, ensure that burner works under technological requirements different normally.Ensure that the optimum proportioning of fuel and combustion air, saving considerable fuel when burning.Thus truly reach reclaiming close to the limit of high-temperature flue gas waste heat.Double heat storage type heated by natural gas furnace thermal efficiency obtains further raising.
Except the technical characteristic described in description, be the known technology of those skilled in the art.
Claims (10)
1. double heat storage type gas heating furnace, it is characterized in that: comprise body of heater and reversing arrangement, described body of heater comprises combustion chamber, regenerator, heat-insulation layer and steel construction, described steel construction comprises furnace roof, furnace wall and furnace bottom, furnace roof is arranged on the top of furnace wall, furnace bottom is arranged on the bottom of furnace wall, described heat-insulation layer comprises insulation of wall layer, furnace top insulation layer and furnace bottom heat-insulation layer, described insulation of wall layer, furnace top insulation layer and furnace bottom heat-insulation layer are separately positioned on furnace wall, inside furnace roof and furnace bottom, the front side of described furnace wall and rear side are respectively arranged with charging aperture fire door and discharging opening fire door, described combustion chamber is arranged on furnace roof bottom, described regenerator at least comprises a pair combustion air and natural gas combination regenerator, regenerator A and regenerator B, described regenerator A and regenerator B is at least arranged respectively one and have burning spout A and burning spout B, described burning spout A and burning spout B is each passed through combustion chamber interior wall, heat storage is respectively arranged with in described regenerator A and in regenerator B, the bottom of heat storage is provided with heat storage and supports castor, natural gas line and flue gas/comburent air duct are divided into two-way respectively, one tunnel is connected with burning spout A through regenerator A, another road is connected with burning spout B through regenerator B, flue gas/comburent air duct is connected with smoke discharging pipe by changement, described natural gas line, flue gas/comburent air duct is connected with fire power regulator with smoke discharging pipe.
2. double heat storage type gas heating furnace according to claim 1, is characterized in that: the described road natural gas line be connected with burning spout A is natural gas line A, and a road flue gas/comburent air duct is flue gas/comburent air duct A; Described another road natural gas line be connected with burning spout B is natural gas line B, and another road flue gas/comburent air duct is flue gas/comburent air duct B; Stretch out between the flue gas/comburent air duct A of regenerator A and burning spout A and be provided with high-temperature flue gas/combustion air furnace bottom passage A and high-temperature flue gas/combustion air furnace wall passage A, high-temperature flue gas/combustion air furnace bottom passage A is connected with flue gas/comburent air duct A, and high-temperature flue gas/combustion air furnace wall passage A is connected with burning spout A; Stretch out between the flue gas/comburent air duct B of regenerator B and burning spout B and be provided with high-temperature flue gas/combustion air furnace bottom channel B and high-temperature flue gas/combustion air furnace wall channel B, high-temperature flue gas/combustion air furnace bottom channel B is connected with flue gas/comburent air duct B, and high-temperature flue gas/combustion air furnace wall channel B is connected with burning spout B.
3. double heat storage type gas heating furnace according to claim 2, it is characterized in that: described fire power regulator comprises automatically controlled flow proportion valve, combustion air frequency conversion air blast, smoke evacuation frequency converting induced draft fan, first flow control valve, second adjustable valve, 3rd flow control valve, 4th flow control valve, 5th flow control valve, 6th flow control valve, first automatically controlled on-off valve and the second automatically controlled on-off valve, described automatically controlled flow proportion valve is arranged on the end of natural gas line, first flow control valve and the first automatically controlled on-off valve are arranged on natural gas line A, second adjustable valve and the second automatically controlled on-off valve are arranged on natural gas line B, combustion air frequency conversion air blast and the 3rd flow control valve are arranged on flue gas/comburent air duct, 4th flow control valve is arranged on flue gas/comburent air duct A, 5th flow control valve is arranged on flue gas/comburent air duct B, 6th flow control valve and smoke evacuation frequency converting induced draft fan are arranged on smoke discharging pipe.
4. double heat storage type gas heating furnace according to claim 1, is characterized in that: described combustion chamber is divided into three sections, is followed successively by preheating zone from front to back, heats 2nd district and heating one district.
5. double heat storage type gas heating furnace according to claim 1, it is characterized in that: be respectively arranged with burning spout A and burning spout B in described heating two district and heating one district, and the burning spout A heated in a district and burning spout B is more than the burning spout A in heating two district and burning spout B.
6. double heat storage type gas heating furnace according to claim 1, is characterized in that: be provided with fire resisting material of furnace body between described periphery, combustion chamber and heat-insulation layer.
7. double heat storage type gas heating furnace according to claim 1, is characterized in that: described heat storage is regenertive small ball or accumulation of heat honeycomb ceramics.
8. double heat storage type gas heating furnace according to claim 1, it is characterized in that: described insulation of wall layer is for thickening light thermal-insulation cellucotton and sealing steel plate, described furnace top insulation layer is for thickening light thermal-insulation cellucotton and light-weight insulating brick, described furnace bottom heat-insulation layer is light-weight insulating brick and light thermal-insulation cellucotton, described charging aperture fire door is charging aperture Whole fiber fire door, and discharging opening fire door is discharging opening Whole fiber fire door.
9. double heat storage type gas heating furnace according to claim 1, is characterized in that: the integrated whole lifting structure of described furnace roof, furnace wall and furnace bottom.
10. double heat storage type gas heating furnace according to claim 1, is characterized in that: described changement is two-position four-way flue gas/air reversing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520164379.XU CN204514035U (en) | 2015-03-23 | 2015-03-23 | Double heat storage type gas heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520164379.XU CN204514035U (en) | 2015-03-23 | 2015-03-23 | Double heat storage type gas heating furnace |
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| CN204514035U true CN204514035U (en) | 2015-07-29 |
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| CN201520164379.XU Active CN204514035U (en) | 2015-03-23 | 2015-03-23 | Double heat storage type gas heating furnace |
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| CN105087899A (en) * | 2015-08-26 | 2015-11-25 | 江苏省沙钢钢铁研究院有限公司 | Regenerative heating furnace and flue gas circulating combustion method thereof |
| CN106838898A (en) * | 2017-01-22 | 2017-06-13 | 海湾环境科技（北京）股份有限公司 | Regenerative combustion system and heat storage type combustion method |
| CN108387607A (en) * | 2018-05-29 | 2018-08-10 | 中冶节能环保有限责任公司 | A kind of test device and test method of regenerative apparatus thermal characteristics |
| CN109439342A (en) * | 2018-11-28 | 2019-03-08 | 鞍钢集团工程技术有限公司 | A kind of liquefied natural gas furnace system and process |
| CN109489052A (en) * | 2018-11-19 | 2019-03-19 | 上海宝钢节能环保技术有限公司 | Waste gas burning furnace and waste gas treatment equipment |
| CN106196146B (en) * | 2016-06-29 | 2019-05-24 | 北京航空航天大学 | A kind of energy-saving thermal storage formula high temperature pure air pilot system |
| CN109945668A (en) * | 2019-04-11 | 2019-06-28 | 重庆赛迪热工环保工程技术有限公司 | A kind of recuperative heater low NOx combustion system and its control method |
| CN109974464A (en) * | 2019-04-16 | 2019-07-05 | 江阴市蓝天工业炉窑制造有限公司 | Can zonal control heat-storing sphere continuous furnace and its control method |
| CN111413049A (en) * | 2020-03-04 | 2020-07-14 | 首钢京唐钢铁联合有限责任公司 | Method and device for detecting leakage of heating furnace burner quick-cutting valve |
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| CN106838898B (en) * | 2017-01-22 | 2024-05-24 | 海湾环境科技（北京）股份有限公司 | Heat accumulating type combustion system and heat accumulating type combustion method |
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| CN105087899A (en) * | 2015-08-26 | 2015-11-25 | 江苏省沙钢钢铁研究院有限公司 | Regenerative heating furnace and flue gas circulating combustion method thereof |
| CN106196146B (en) * | 2016-06-29 | 2019-05-24 | 北京航空航天大学 | A kind of energy-saving thermal storage formula high temperature pure air pilot system |
| CN106838898A (en) * | 2017-01-22 | 2017-06-13 | 海湾环境科技（北京）股份有限公司 | Regenerative combustion system and heat storage type combustion method |
| CN106838898B (en) * | 2017-01-22 | 2024-05-24 | 海湾环境科技（北京）股份有限公司 | Heat accumulating type combustion system and heat accumulating type combustion method |
| CN108387607A (en) * | 2018-05-29 | 2018-08-10 | 中冶节能环保有限责任公司 | A kind of test device and test method of regenerative apparatus thermal characteristics |
| CN108387607B (en) * | 2018-05-29 | 2024-01-09 | 中冶节能环保有限责任公司 | Device and method for testing thermal characteristics of heat storage device |
| CN109489052A (en) * | 2018-11-19 | 2019-03-19 | 上海宝钢节能环保技术有限公司 | Waste gas burning furnace and waste gas treatment equipment |
| CN109439342A (en) * | 2018-11-28 | 2019-03-08 | 鞍钢集团工程技术有限公司 | A kind of liquefied natural gas furnace system and process |
| CN111765771A (en) * | 2019-04-01 | 2020-10-13 | 山东邦巨实业有限公司 | Energy-conserving natural gas heating furnace of circulation heat treatment |
| CN109945668A (en) * | 2019-04-11 | 2019-06-28 | 重庆赛迪热工环保工程技术有限公司 | A kind of recuperative heater low NOx combustion system and its control method |
| CN109974464A (en) * | 2019-04-16 | 2019-07-05 | 江阴市蓝天工业炉窑制造有限公司 | Can zonal control heat-storing sphere continuous furnace and its control method |
| CN111413049A (en) * | 2020-03-04 | 2020-07-14 | 首钢京唐钢铁联合有限责任公司 | Method and device for detecting leakage of heating furnace burner quick-cutting valve |
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