CN102676760B - Gas heating energy-saving and environment-friendly annealing furnace for cold-rolling aluminium materials - Google Patents
Gas heating energy-saving and environment-friendly annealing furnace for cold-rolling aluminium materials Download PDFInfo
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- CN102676760B CN102676760B CN201210184648.XA CN201210184648A CN102676760B CN 102676760 B CN102676760 B CN 102676760B CN 201210184648 A CN201210184648 A CN 201210184648A CN 102676760 B CN102676760 B CN 102676760B
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Abstract
The invention provides a gas heating energy-saving and environment-friendly annealing furnace for cold-rolling aluminium materials, belonging to the equipment for heat treatment. The annealing furnace comprises a furnace body, a trolley and track, a fan, a motor, thermocouples and an electrical control box. The annealing furnace is characterized in that a gas heating system is designed and comprises a combustion chamber, a combustion head, a combustor, a gas pipe, an air inlet pipe, a hot air main and a manhole; the combustor is provided with automatic combustion condition adjusting systems; an air outlet of the fan is communicated with the air inlet pipe of the gas heating system; an air inlet of the fan is communicated with a return air main in an inner cavity of the furnace body; at least upper and lower rows of return air inlets communicated with the return air main are designed on the furnace wall on one side of the inner cavity of the furnace body; and at least upper and lower rows of hot air inlets communicated with the hot air main are designed on the furnace wall on the other side of the inner cavity of the furnace body. Through trial, compared with the existing annealing furnaces adopting nichrome resistance charged heating devices, the annealing furnace has the following beneficial effects that: the energy cost is substantially reduced by more than 70%; and the possibility of environmental pollution caused by volatilization and escape of rolling oil on the surfaces of the cold-rolled aluminium materials in the heating process is completely eradicated.
Description
Technical field: the invention belongs to thermal treatment equipment, particularly a kind of fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium.
Background technology: annealing is that workpiece is heated to proper temperature, adopts different soaking times according to material, then carries out Slow cooling, and object is metal inside tissue is reached or approach equilibrium state, obtains good processing performance and use properties.The existing heating system for cold rolling aluminium Rebuild of Heat-treatment Annealing Furnace adopts nichrome resistance electrified heating device, process the electric heating device power 180-200KW of the annealing furnace of 10 tons of cold rolling aluminiums for one, add the mixed wind blower fan that fan blade is arranged in stove, form that the hot blast that mixes in stove uses 2 respectively need 63KW driven by motor, more than total power consumption reaches 300KW; And because cold rolling aluminium must add ROLLING OIL in the operation of rolling, this organism that contains oxious component, the surface that is attached to the cold rolling aluminium of finished product enters Rebuild of Heat-treatment Annealing Furnace together, and the loss of volatilizing in heat-processed, causes environmental pollution.
As can be seen here, study and design one and significantly reduced energy consumption cost, and don't can cause environmental pollution improvement the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium be necessary.
Summary of the invention: the object of the invention is to overcome the deficiencies in the prior art, study and design one and significantly reduced energy consumption cost, and don't can cause the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium of environmental pollution.
Technical scheme of the present invention is: a kind of fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium, comprise the body of heater that thermal insulation material forms, carry dolly and dolly track with aluminium, impel the resisting blower that in stove, warm air mixes and circular flow is used, fan provides the motor of power, in order to detect the thermopair that in stove, temperature is used, with motor, the electric control box of thermopair electrical connection, it is characterized in that being designed with the gas heating system that comprises following structure: combustion chamber, there is the combustion head that is positioned at bottom, combustion chamber, the burner of combustion conditions varitrol, the gas line of supplied burner combustion gas, be positioned at combustion chamber bottom, be communicated in the blast pipe of fan outlet, be positioned at top, combustion chamber one side, be communicated in the hot-blast main of body of heater inner chamber, on the sidewall of combustion chamber near bottom, be designed with access opening, described fan outlet is communicated in the blast pipe of gas heating system, and air inlet is communicated in the return air house steward who passes into body of heater inner chamber through furnace wall, on described body of heater inner chamber one wing furnace wall, be designed with at least upper and lower 2 and arrange the return air inlet being communicated with return air house steward, the hot-air mouth that be designed with at least upper and lower 2 rows on the opposite side furnace wall of body of heater inner chamber with respect to return air inlet, is communicated with hot-blast main.
Object of the present invention can also take following further technical measures to realize:
Described thermopair is matched with combustion conditions varitrol through electric control box.The technique effect of this design is to reach when the thermopair that be positioned at stove detects the temperature that annealing technology requires, through electric control box, combustion conditions varitrol is sent and reduced the instruction of combustion gas that uses pipeline to supply with, the gas quantity that enters combustion head reduces to and only need maintain interior the maintaining of temperature of stove and add heat.
The described hot-air mouth being communicated with hot-blast main, be arranged on the hot-air channel communicating with hot-blast main, by its big or small hot-air mouth of the little gate control of hot-air mouth movably.The described return air inlet being communicated with return air house steward, be arranged on the return air channel communicating with return air house steward, by its big or small return air inlet of the little gate control of return air inlet movably.The technique effect of these two designs is selected the upper and lower position of inboard wall of furnace body by heat, return air channel, wicket control heat on mobile heat, return air inlet, the size of return air amount, be less than to reach the temperature head everywhere of body of heater inner chamber including four jiaos the temperature head allowed band that annealing technology requires.
The described hot-air channel communicating with hot-blast main or the return air channel that communicates with the return air house steward position on body of heater intracavity sidewall is at least higher than carrying the distance of leaving body of heater inner chamber ground with the dolly panel of aluminium.The technique effect of this design is the damage to dolly bottom roller centre bearer of the high temperature air both having avoided entering body of heater inner chamber from the hot-air mouth of hot-air channel, just allows again hot blast heat up or be incubated for the pending aluminium being loaded on dolly.
Described carrying with dolly and the dolly of aluminium used in track, and after dolly enters in stove completely, the intermarginal gap of its panel four avris is matched with body of heater inner chamber wall.The technique effect of this design is to make the relative seal isolation in the upper and lower space of dolly panel, and both having reduced body of heater inner chamber needs the space of heating up, being incubated and reduce energy consumption; Avoid again dolly bottom roller centre bearer Yin Gaowen to damage.
Described carrying with the thermal insulation layer that is attached with thermal insulation material formation below the dolly of aluminium and the dolly panel of dolly in track.The technique effect of this design be both improved that body of heater inner chamber needs to heat up, the heat insulation effect in the panel above space of the dolly of insulation and reduce energy consumption; Avoid again the excess Temperature of dolly lower space to cause the damage of trolley idler wheels centre bearer.
The dynamic running process of the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium that the invention process obtains is as follows:
By treating the cold rolling aluminium of anneal, as the aluminum strip of rolling is loaded on dolly, push predetermined position in stove along track, close fire door; Through electric control box starter motor, drive fan operation; The valve ignition combustion device of opening liquefied gas pipeline, the combustion head that is positioned at combustion chamber jets out flames, by the air heating by way of burning number chamber; Under the ordering about of blower fan, the air of heating along hot-blast main, enter stove from the many heat extractions air port being positioned at body of heater inner chamber furnace wall being communicated with hot-blast main, heats up to gradually the cold rolling aluminium for the treatment of anneal; Because the blast inlet of blower fan is communicated in the return air house steward who passes into body of heater inner chamber through furnace wall, and that return air house steward is communicated with is relative with hot-air mouth with many rows, be positioned at the air port that flows back on body of heater inner chamber furnace wall more, heated the air after the cooling of the cold rolling aluminium of anneal, in company with the organism that contains oxious component of ROLLING OIL volatilization loss of cold rolling aluminium material surface for the treatment of anneal, sucked by blower fan together; Enter combustion chamber through fan outlet along the blast pipe of gas heating system immediately, in the flame of combustion head ejection, air after cooling is heated, under the ordering about of blower fan, the air of heating is along hot-blast main, enter stove from the many heat extractions air port being positioned at body of heater inner chamber furnace wall being communicated with hot-blast main, treated that the cold rolling aluminium of anneal heats up again gradually, so circulation.
Meanwhile, burnt by the organism that contains oxious component of the ROLLING OIL volatilization loss of blower fan suction combustion chamber together, the burning of the organism that contains oxious component of ROLLING OIL volatilization loss in combustion chamber, both the consumption of combustion gas that produced saving of heat, the more important thing is and stop its loss of volatilizing in heat-processed, cause the possibility of environmental pollution.
In order to make temperature in stove reach the temperature of annealing technology requirement, and be incubated for some time, the burner in temperature-rise period with combustion conditions varitrol uses in full amount the liquefied gas of pipeline supply; Detect and reach the temperature that annealing technology requires when being positioned at the thermopair of stove, through electric control box, combustion conditions varitrol is sent and reduced the instruction of combustion gas that uses pipeline to supply with, the gas quantity that enters combustion head reduces to and only need maintain interior the maintaining of temperature of stove and add heat.
The fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium that the invention process obtains, through on probation, compared with the existing annealing furnace that adopts nichrome resistance electrified heating device for cold rolling aluminium thermal treatment, heating system, has shown following beneficial effect:
1, significantly reduced energy consumption cost.Taking the annealing furnace of processing equally 10 tons of cold rolling aluminiums as example, the annealing furnace electric heating device power 180-200KW of prior art, adds the 60KW motor of 2 drive blower fans, more than total power consumption per hour reaches 300KWh, by 1 yuan of every kilowatthour tariff, kilowatthour rate, energy cost reaches more than 300 yuan; And the annealing furnace that the invention process obtains adopts gas heating system, consumption liquefied gas 10Kg per hour, if use pipe natural gas consumption also can slightly lack, add 1 5KW, drive to impel and in stove, mix and the motor of the blower fan that circular flow hot blast is used, by 8 yuan of gas prices of per kilogram liquefaction, 1 yuan of every kilowatthour tariff, kilowatthour rate, only 85 yuan of energy costs per hour, have significantly reduced energy cost and have reached more than 70%.
2, can not cause environmental pollution.As mentioned above, burnt by the organism that contains oxious component of the ROLLING OIL volatilization loss of blower fan suction combustion chamber together, the burning of the organism that contains oxious component of ROLLING OIL volatilization loss in combustion chamber, both the consumption of combustion gas that produced saving of heat, the more important thing is and stop its loss of volatilizing in heat-processed, cause the possibility of environmental pollution.
Brief description of the drawings: Fig. 1 is the schematic diagram that meets thematic structure of the present invention; Fig. 2 is hot-air mouth and hot-air channel structural representation; Fig. 3 is return air inlet and return air channel structural representation.
Embodiment: implementation detail of the present invention is described as follows below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium, comprise the body of heater 1 that thermal insulation material forms, carry and use the dolly of aluminium and track 2 for dolly, impel the resisting blower 3 that in stove, warm air mixes and circular flow is used, fan provides the motor 4 of power, in order to detect the thermopair 5 that in stove, temperature is used, electric control box 6 with motor, thermopair electrical connection, is characterized in that being designed with
---comprise the gas heating system 7 of following structure: combustion chamber 70, have and be positioned at the combustion head 71 of bottom, combustion chamber, the burner 73 of combustion conditions varitrol 72, the gas line 74 of supplied burner combustion gas, be positioned at combustion chamber blast pipe 75 bottom, that be communicated in fan outlet, be positioned at hot-blast main 76 top, combustion chamber one side, that be communicated in body of heater inner chamber, on the sidewall of combustion chamber near bottom, be designed with access opening 77;
---described blower fan 3 air outlets are communicated in the blast pipe 75 of gas heating system 7, and blower fan 3 blast inlets are communicated in the return air house steward 31 who passes into body of heater inner chamber through furnace wall;
---on described body of heater inner chamber one wing furnace wall, be designed with at least upper and lower 2 and arrange the return air inlet 311 being communicated with return air house steward; The hot-air mouth 761 that be designed with at least upper and lower 2 rows on the opposite side furnace wall of body of heater inner chamber with respect to return air inlet, is communicated with hot-blast main.
As shown in Figure 1, described thermopair 5 is matched with combustion conditions varitrol 72 through electric control box 6.
As shown in Figure 2, the described hot-air mouth being communicated with hot-blast main 761, be arranged on the hot-air channel 762 communicating with hot-blast main 76, control its big or small hot-air mouth by hot-air mouth wicket 763 movably.
As shown in Figure 3, the described return air inlet being communicated with hot-blast main 311, be arranged on the return air channel 312 communicating with return air house steward 31, control its big or small return air inlet by return air inlet wicket 313 movably.
As shown in Figure 1, 2, 3, the described hot-air channel 762 communicating with hot-blast main 76 or the return air channel 312 that communicates with return air house steward 31 position on body of heater intracavity sidewall is at least higher than carrying the distance of leaving body of heater inner chamber ground with dolly 2 panels of aluminium.
As shown in Figure 1, described carrying with the dolly of aluminium and dolly with in track 2, when dolly is complete entirely enter in stove after the intermarginal gap of its panel four avris be matched with body of heater 1 inner chamber wall.
As shown in Figure 1, described carrying with the thermal insulation layer 21 that is attached with thermal insulation material formation below the panel of dolly in the dolly of aluminium and dolly track 2.
In concrete enforcement, described in comprise that the burner, resisting blower, motor, thermopair etc. with combustion conditions varitrol all choose from market, all the other adopt common process to implement.
Claims (1)
1. the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium, comprise the body of heater (1) that thermal insulation material forms, carry and use the dolly of aluminium and track (2) for dolly, impel the resisting blower (3) that in stove, warm air mixes and circular flow is used, fan provides the motor (4) of power, in order to detect the thermopair that in stove, temperature is used (5), with motor, the electric control box (6) of thermopair electrical connection, comprise the gas heating system (7) of following structure: combustion chamber (70), there is the combustion head (71) that is positioned at bottom, combustion chamber, the burner (73) of combustion conditions varitrol (72), the gas line (74) of supplied burner combustion gas, be positioned at combustion chamber bottom, be communicated in the blast pipe (75) of fan outlet, be positioned at top, combustion chamber one side, be communicated in the hot-blast main (76) of body of heater inner chamber, on the sidewall of combustion chamber near bottom, be designed with access opening (77), described blower fan (3) air outlet is communicated in the blast pipe (75) of gas heating system (7), and blower fan (3) blast inlet is communicated in the return air house steward (31) who passes into body of heater inner chamber through furnace wall, on described body of heater inner chamber one wing furnace wall, be designed with at least upper and lower 2 and arrange the return air inlet (311) being communicated with return air house steward, the hot-air mouth (761) that be designed with at least upper and lower 2 rows on the opposite side furnace wall of body of heater inner chamber with respect to return air inlet, is communicated with hot-blast main, described thermopair (5) is matched with combustion conditions varitrol (72) through electric control box (6), the described hot-air mouth being communicated with hot-blast main (761), be arranged on the hot-air channel (762) communicating with hot-blast main (76), control its big or small hot-air mouth by removable hot-air mouth wicket (763), the described return air inlet being communicated with hot-blast main (311), be arranged on the return air channel (312) communicating with return air house steward (31), control its big or small return air inlet by removable return air inlet wicket (313), the position of the return air channel (312) that it is characterized in that the described hot-air channel (762) communicating with hot-blast main (76) or communicate with return air house steward (31) on body of heater intracavity sidewall at least higher than carry with the dolly of aluminium and for dolly in track (2) dolly panel leave the distance on body of heater inner chamber ground, described carrying with the dolly of aluminium and for dolly in track (2), after dolly enters in stove completely, the intermarginal gap of its panel four avris is matched with body of heater (1) inner chamber wall, described carrying is attached with the thermal insulation layer (21) that thermal insulation material forms below the panel of dolly in track (2) with the dolly of aluminium and for dolly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210184648.XA CN102676760B (en) | 2012-06-06 | 2012-06-06 | Gas heating energy-saving and environment-friendly annealing furnace for cold-rolling aluminium materials |
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| CN201210184648.XA CN102676760B (en) | 2012-06-06 | 2012-06-06 | Gas heating energy-saving and environment-friendly annealing furnace for cold-rolling aluminium materials |
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| CN102676760B true CN102676760B (en) | 2014-07-16 |
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| CN104630691A (en) * | 2015-01-27 | 2015-05-20 | 中国石油化工股份有限公司 | Stainless steel surface oxidation treatment device |
| CN106077411B (en) * | 2016-06-21 | 2018-05-18 | 上海长特锻造有限公司 | A kind of temperature automatic control forge furnace |
| CN106048196B (en) * | 2016-08-01 | 2017-10-20 | 河南天利热工装备股份有限公司 | Bogie type gas preheating furnace |
| CN106048197A (en) * | 2016-08-01 | 2016-10-26 | 河南省天利工业炉有限公司 | Hot air circulating type trolley gas preheating furnace |
| CN109425226B (en) * | 2017-08-31 | 2020-03-06 | 宝山钢铁股份有限公司 | Off-line baking equipment |
| CN107916381B (en) * | 2017-11-30 | 2019-06-14 | 宁波博恩电气有限公司 | Aluminium foil used in capacitor annealing device |
| CN107893203B (en) * | 2017-11-30 | 2019-06-14 | 宁波博恩电气有限公司 | Capacitor aluminium sheet homogenizing annealing method |
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| CN102423750A (en) * | 2011-10-24 | 2012-04-25 | 镇江市万源电子有限公司 | Energy-saving environmental-friendly gas heating system of curing tunnel of coating machine |
| CN102477481A (en) * | 2010-11-23 | 2012-05-30 | 丹阳市江南工业炉有限公司 | Large-scale trolley type gas low-temperature annealing furnace |
| CN202730181U (en) * | 2012-06-06 | 2013-02-13 | 镇江市万源电子有限公司 | Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102477481A (en) * | 2010-11-23 | 2012-05-30 | 丹阳市江南工业炉有限公司 | Large-scale trolley type gas low-temperature annealing furnace |
| CN102423750A (en) * | 2011-10-24 | 2012-04-25 | 镇江市万源电子有限公司 | Energy-saving environmental-friendly gas heating system of curing tunnel of coating machine |
| CN202730181U (en) * | 2012-06-06 | 2013-02-13 | 镇江市万源电子有限公司 | Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products |
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Address after: 212000 Shangdang Town Guild Industrial Park, Dantu District, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU WANYUAN NEW MATERIALS CO.,LTD. Address before: 212000 Shangdang Town Guild Industrial Park, Dantu District, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU WANYUAN NEW MATERIAL Co.,Ltd. |
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Address after: 212000 Shangdang Town Guild Industrial Park, Dantu District, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU WANYUAN NEW MATERIAL Co.,Ltd. Address before: 212124 No. 2 Xingye North Road, Xue Village, Shanghui Town, Dantu District, Zhenjiang City, Jiangsu Province Patentee before: ZHENJIANG WANYUAN ELECTRONICS Co.,Ltd. |
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