CN103131840B - Aluminium foil continuous annealing furnace - Google Patents
Aluminium foil continuous annealing furnace Download PDFInfo
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- CN103131840B CN103131840B CN201110392295.8A CN201110392295A CN103131840B CN 103131840 B CN103131840 B CN 103131840B CN 201110392295 A CN201110392295 A CN 201110392295A CN 103131840 B CN103131840 B CN 103131840B
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Abstract
The invention discloses a kind of aluminium foil continuous annealing furnace, comprise successively feed zone, heating furnace district, holding furnace district, cooling stove district and discharge zone, each interval oven door sealing that adopts is cut off, and bin is by running through the orbital motion in each interval; Described heating furnace district, described holding furnace district and described cooling stove are divided into several chambers, each chamber is communicated with an air-heater, the discharge pipe road junction of described air-heater is arranged under place, the described bin bottom horizontal plane in described chamber, the aspiration channel road junction of described air-heater is arranged on the horizontal plane of place, described bin top, and the angle of described wind pipe place plane and described air-suction duct place plane is 90 °. The embodiment of the present invention is by running through the bin that motion is set on feed zone, heating furnace district, holding furnace district, cooling stove district and the interval track in five of discharge zones, make the aluminium volume on bin be driven the interval through different temperatures successively, complete continuity annealing process.
Description
Technical field
The present invention relates to change the technical field of non-ferrous metal physical arrangement, relate in particular to a kind of aluminium foil continuousMethod for annealing and continuous annealing furnace.
Background technology
In the production process of aluminium foil, annealing is one of most important operation in its Technology for Heating Processing. At presentThe annealing device of aluminium foil mainly adopts traditional box-annealing furnace, and box-annealing furnace only has a furnace cavity,All aluminium foils are deposited in to the interior rear assigned temperature that is slowly warming up to, slow cooling after insulation a period of time; FallTo normal temperature, all aluminium foils are released, and after furnace chamber is completely cooling, carried out again the intensification of next stove; WholeCycle needs 3-5 days time.
There are a lot of problems in this box-annealing furnace and return of goods method:
1,, because aluminum foil thickness is quite thin, generally, in 0.006-0.009mm left and right, heat absorption capacity is relatively poor,And wide cut reaches residual ROLLING OIL between every layer of aluminium foil of 1-1.5m and is difficult to very fast volatilization, so in annealing processWhen middle heating is too fast, aluminium foil easily plays heat drum or the unclean phenomenon of oil removing occurs affects surface quality; HeatingCross that the thermal efficiency is low slowly, energy waste is large, and the annealing cycle is long;
2, box-annealing furnace capacity is large, in order to ensure warm uniformity in stove, must strengthen the flow of air,And aluminium foil itself is limited because of thickness reason heat absorption capacity, thereby power dissipation is serious;
3, traditional box-annealing furnace empty stove cooling procedure that all needs 5-6 hour before each shove charge of annealing,Also a large amount of energy and time have been wasted.
Therefore, market in urgent need one for aluminium foil products annealing process feature, can improve energy utilization rate,Do not affect the special continuous annealing furnace equipment and process flow process of product quality.
Summary of the invention
The embodiment of the present invention provides aluminium foil continuous annealing furnace, makes annealing process for aluminum foil process by fixed changeMust there is continuity, be conducive to improve aluminium foil products quality, and reduce the vacant time of annealing furnace, improveEfficiency.
For achieving the above object, the embodiment of the present invention provides following technical scheme:
Aluminium foil continuous annealing furnace, comprise successively feed zone, heating furnace district, holding furnace district, cooling stove district andDischarge zone, each interval oven door sealing that adopts is cut off, and bin is by running through the orbital motion in each interval; DescribedHeating furnace district, described holding furnace district and described cooling stove are divided into several chambers, each chamber and oneAir-heater is communicated with, and the discharge pipe road junction of described air-heater is arranged in the described bin bottom institute in described chamberUnder horizontal plane, the aspiration channel road junction of described air-heater be arranged in place, described bin top horizontal plane itUpper, the angle of described wind pipe place plane and described air-suction duct place plane is 90 °.
Preferably, the length ratio in described heating furnace district, described holding furnace district and described cooling stove district is:(20-23)∶(36-40)∶(15-18)。
Preferably, the total length ratio in the length of described feed zone and described heating furnace district is: (6-8):(20-23)。
Preferably, the total length ratio in the length of described discharge zone and described cooling stove district is: (23-30):(150-180)。
Preferably, the maximum temperature of any chamber in described heating furnace district and described cooling stove district and nextThe minimum temperature of individual chamber is identical.
Preferably, the minimum temperature of any chamber in described heating furnace district and described cooling stove district and the highestTemperature differs 15-25 DEG C.
Preferably, described holding furnace district is also communicated with negative-pressure air fan, and the air outlet of described negative-pressure air fan passes throughExchanging tube is communicated with the wind pipe of described air-heater, and the diameter of described exchanging tube is described wind pipe1/5-1/10。
Preferably, the discharge pipe road junction of described air-heater is the hole being evenly distributed on described wind pipe,The aspiration channel road junction of described air-heater is the hole being evenly distributed on described air-suction duct, and described hole is straightFootpath is 5-15mm.
Preferably, described bin is one deck structure at least.
Preferably, bin of each chamber housing.
Compared with prior art, the present invention has following beneficial effect:
1, improve annealing efficiency: a, annealing furnace is divided into heating furnace district, holding furnace district, cooling stove districtThree funtion parts, the push type that makes aluminium foil pass through bin moves and passes through successively the region of three different temperatures,And can regulate according to the actual requirements each chamber temp and bin movement velocity, thereby realize continuous annealing; WithThe spatial alternation of bin substitutes the time change of existing equipment, temperature of the prior art is unified to formula and fixRegion is changed controlled temperature gradual change type continuum, vacant time of minimizing equipment into; Employing the present invention is realExecute routine method and apparatus aluminium foil is annealed, within 4-7 hour, can complete, relatively existing box annealing is establishedFor greatly having shortened the annealing cycle; B, the non-stop run of each region, furnace space utilization rate is high, dutycycleReduce 49% with respect to existing box-annealing furnace; The chamber air-heater in c, holding furnace district and cooling stove district goes outWind pipeline and air-suction duct, for upper and lower crisscross arranging, make air-flow go through the longest move distance in chamber,Elongate the time of staying of hot-air around aluminium foil, make aluminium foil absorb heat as much as possible with the shortest time;
2, the bin of saving energy consumption: a, continuous moving ensures to have in each temperature province to be processedAluminium foil, follows the natural change law of temperature, and the energy does not run off; B, embodiment of the present invention equipment are by each meritCan distinguish and be divided into multiple capacitors, compact conformation, area of dissipation greatly reduces, and what unit production capacity was shared falls apartHot side is long-pending has reduced 21%; C, in holding furnace district and heating furnace district, heat-exchange tube being set, is not only heating furnaceDistrict introduces fresh high-temperature gas, also takes full advantage of the unnecessary energy in holding furnace district.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityExecute the accompanying drawing of required use in example and be briefly described, apparently, the accompanying drawing in the following describes onlyBe only some embodiments of the present invention, for those of ordinary skill in the art, do not paying creativenessUnder the prerequisite of work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the chamber structure schematic diagram of the embodiment of the present invention;
Wherein, 1, feed zone; 2, heating furnace district; 3, holding furnace district; 4, cooling stove district; 5, dischargingDistrict; 6, fire door; 7, bin; 8, track; 9, chamber; 10, air-heater; 11, negative-pressure air fan.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
The embodiment of the present invention is by running through feed zone, heating furnace district, holding furnace district, cooling stove district and going outThe bin of motion is set on material five, district interval track, aluminium volume on bin is being driven successively and passesThe interval of different temperatures, completes continuity annealing process. It is below specific embodiment.
Aluminium foil continuous annealing furnace, comprises feed zone 1, heating furnace district 2, holding furnace district 3, cooling stove successivelyDistrict 4 and discharge zone 5, each interval fire door 6 sealing partitions that adopt, bin 7 is by running through the I-shaped in each intervalType track 8 moves; Heating furnace district 2, holding furnace district 3 and cooling stove district 4 are divided into several chambers 9, everyIndividual chamber 9 is communicated with an air-heater 10, and the discharge pipe road junction of air-heater 10 is arranged in chamber 9Under bin 7 place, bottom horizontal planes, the aspiration channel road junction of air-heater 10 is arranged in bin 7 places, topOn horizontal plane, the angle of wind pipe place plane and air-suction duct place plane is 90 °.
Feed zone 1, heating furnace district 2, holding furnace district 3, cooling stove district 4 are different with discharge zone 5 temperature,In heating furnace district 2, holding furnace district 3, cooling stove district 4 be connected with air-heater 10, can be according to aluminum foil annealing workSkill requires ACTIVE CONTROL, regulates temperature; Aluminium is rolled up along with bin 7 is by above-mentioned five interval processes,Be to have experienced from room temperature to annealing temperature, more then insulation is cooled to the annealing process procedure of room temperature. MaterialFrame 7 can be arranged on the parallel orbit 8 that runs through each interval, moves in turn; Without aluminium volume is opened, andBe that entire volume is directly placed on bin 7, avoid uncoiling, close to lick in journey and cause secondary to damage to aluminium foil surfaceEvil.
Preferably, the length ratio in heating furnace district 2, holding furnace district 3, cooling stove district 4 is: (20-23):(36-40): (15-18), under stable movement velocity, can be by regulating aluminium foil move distance to controlThe time span of aluminium foil processed in specified temp section, relatively-stationary length ratio by aluminium foil in temperatureDuration ratio on curve is relatively fixing, thereby realizes annealing process.
And, before feed zone 1 is positioned at heating furnace district 2, the heat pair that can rely on heating furnace district 2 to distributeAluminium foil carries out slow preheating, is subject to suddenly the quality problems such as thermogenetic bubbling, distortion to reduce aluminium foil; AlsoCan adopt air-heater 10 that the heat in cooling stove district 4 is drawn into feed zone 1; The length of feed zone 1 and literThe total length ratio in Wen Lu district 2 is: (6-8): (20-23) time, can effectively utilize heating furnace district 2 more thanHeat.
Similarly, after discharge zone 5 is positioned at cooling stove district 4, provide one to rely on cooling stove district 4 to distributeHeat be slowly down to the region of room temperature by aluminium foil, the length of discharge zone 5 with cooling stove district 4 total lengthRatio is: (23-30): (150-180) time, waste heat is effectively applied, energy-saving consumption-reducing; And stop hotAmount is distributed to workshop, affects working environment.
Preferably, aforementioned five interval fire door 6 sealing partitions that adopt, accurately to control temperature, and effectivelyThat reduces adjacent interval atmosphere alters interference mutually. Fire door 6 can adopt the sealing baffle of motor or hydraulic oil cylinder driving,Baffle plate adopts galvanized steel plain sheet as skeleton, and the insulation materials such as rock wool, alumina silicate fibre are filled in hollow part.
Each chamber 9 is communicated with an air-heater 10, and the discharge pipe road junction of air-heater 10 is arranged in chamber 9In bin 7 place, bottom horizontal planes under, the aspiration channel road junction of air-heater 10 is arranged in bin 7 topsOn the horizontal plane of place, can make like this hot-air spray in chamber 9, from aluminium foil from bin 7 bottomsBetween rise, then be sucked out from top, reach larger heat exchange efficiency.
And the angle of wind pipe place plane and air-suction duct place plane is 90 °, forms gasStream, from two bottom sides ejection, rise, more vertical another both sides goes out from top and bottom both sides in the middle of bottomGo, avoid the air-flow fully situation of heat exchange that directly rises not from aluminium foil edge, further improve heat exchange efficiency.
Preferably, heating furnace district 2, holding furnace district 3 and cooling stove district 4 can be divided into respectively several chambeiesChamber 9, according to the actual requirements and temperature control precision, each chamber 9 can hold 1-3 bin 7. HoldWhen 1 bin 7, temperature control obtains the meticulousst, can at utmost ensure aluminium foil quality.
Minimum temperature and the maximum temperature of each chamber in heating furnace district 2 and cooling stove district 4 differ 15-25DEG C, control on the one hand the temperature difference that aluminium roll up at short notice and be unlikely to excessive to cause surface quality problems, separatelyOn the one hand, keep the temperature in each chamber relatively constant, be beneficial to energy-saving and cost-reducing.
And each chamber maximum temperature in heating furnace district 2 and cooling stove district 4 and next chamber areLow temperature is identical, is beneficial to maintenance aluminium and twists in while pushing ahead replacing chamber, and the temperature difference is controlled to minimum zone,Be beneficial to raising quality.
The air intake vent that hot-air enters chamber 9 can be the hole being evenly distributed on the wind pipe of air-heater 10Hole, air outlet can be the hole being evenly distributed on the air-suction duct of air-heater 10, and hole diameter is 5-15mm,Ensure that air quantity is all even soft.
Preferably, can be communicated with negative-pressure air fan 11 in holding furnace district 3, carry out the negative pressure oil removing to aluminium foil.The air outlet of negative-pressure air fan 11 can be communicated with the wind pipe of air-heater 10 by exchanging tube, can be by guarantorThe hot-air pumping out in Wen Lu district 3 is delivered in air-heater 10, utilizes unnecessary hot-air to reduce air-heater10 energy consumption. Obviously, the 1/5-1/10 that the diameter of exchanging tube is wind pipe is advisable, and protects on the one handHold the stable and soft of air-flow, control on the other hand temperature changing speed.
In addition, bin 7 can be sandwich construction. Because aluminium foil is thinner, avoid being out of shape suitable being rolled into partly of rupturingFootpath is the aluminium volume of 10-40cm; The aluminium volume of this kind of specification can levels be staggered, make full use of space andHeat.
A kind of aluminium foil the continuous annealing furnace above embodiment of the present invention being provided is described in detail, hereinIn applied specific case principle of the present invention and embodiment set forth, above embodiment saysBright just for helping to understand method of the present invention and core concept thereof; Meanwhile, general for this areaTechnical staff, according to thought of the present invention, all can change it in specific embodiments and applicationsPlace, in summary, this description should not be construed as limitation of the present invention.
Claims (10)
1. aluminium foil continuous annealing furnace, is characterized in that, comprises successively feed zone, heating furnace district, insulationStove district, cooling stove district and discharge zone, each interval oven door sealing that adopts is cut off, and bin is by running through each districtBetween orbital motion; Described heating furnace district, described holding furnace district and described cooling stove are divided into severalChamber, each chamber is communicated with an air-heater, described in the discharge pipe road junction of described air-heater is arranged inUnder place, described bin bottom horizontal plane in chamber, the aspiration channel road junction of described air-heater is arranged inOn the horizontal plane of place, described bin top, described wind pipe place plane and described air-suction duct instituteBe 90 ° at the angle of plane, described fire door is the sealing baffle of motor or hydraulic oil cylinder driving.
2. aluminium foil continuous annealing furnace according to claim 1, is characterized in that, described heating furnaceThe length ratio in district, described holding furnace district and described cooling stove district is: (20-23): (36-40): (15-18)。
3. aluminium foil continuous annealing furnace according to claim 1, is characterized in that, described feed zoneLength and the total length ratio in described heating furnace district be: (6-8): (20-23).
4. aluminium foil continuous annealing furnace according to claim 1, is characterized in that, described discharge zoneLength and the total length ratio in described cooling stove district be: (23-30): (150-180).
5. aluminium foil continuous annealing furnace according to claim 1, is characterized in that, described heating furnaceThe maximum temperature of any chamber in district and described cooling stove district and the minimum temperature phase of next chamberWith.
6. aluminium foil continuous annealing furnace according to claim 1, is characterized in that, described heating furnaceMinimum temperature and the maximum temperature of any chamber in district and described cooling stove district differ 15-25 DEG C.
7. according to the aluminium foil continuous annealing furnace described in claim 1 to 6 any one, it is characterized in that,Described holding furnace district is also communicated with negative-pressure air fan, and the air outlet of described negative-pressure air fan is by exchanging tube and instituteThe wind pipe of stating air-heater is communicated with, the 1/5-that the diameter of described exchanging tube is described wind pipe1/10。
8. according to the aluminium foil continuous annealing furnace described in claim 1 to 6 any one, it is characterized in that,The discharge pipe road junction of described air-heater is the hole being evenly distributed on described wind pipe, described hot blastThe aspiration channel road junction of machine is the hole being evenly distributed on described air-suction duct, and described hole diameter is 5- 15mm。
9. according to the aluminium foil continuous annealing furnace described in claim 1 to 6 any one, it is characterized in that,Described bin is one deck structure at least.
10. according to the aluminium foil continuous annealing furnace described in claim 1 to 6 any one, it is characterized in that,Bin of each chamber housing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110392295.8A CN103131840B (en) | 2011-12-01 | 2011-12-01 | Aluminium foil continuous annealing furnace |
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| CN201110392295.8A CN103131840B (en) | 2011-12-01 | 2011-12-01 | Aluminium foil continuous annealing furnace |
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| CN103131840A CN103131840A (en) | 2013-06-05 |
| CN103131840B true CN103131840B (en) | 2016-05-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103131972B (en) * | 2011-12-01 | 2016-09-28 | 湖南晟通科技集团有限公司 | A kind of aluminium foil continuous annealing method and aluminium foil continuous annealing furnace |
| CN110760767B (en) * | 2019-10-31 | 2020-08-14 | 重庆中铝华西铝业有限公司 | Annealing and oil removing method for large-width double-sided polished aluminum foil |
| CN112143858A (en) * | 2020-09-30 | 2020-12-29 | 江苏联峰能源装备有限公司 | Efficient heat treatment process for continuous casting round blank |
| CN114292988A (en) * | 2022-01-11 | 2022-04-08 | 安徽楚江高新电材有限公司 | High-flexibility conductor material multi-temperature-zone annealing equipment and method |
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| CN1232675C (en) * | 2003-12-02 | 2005-12-21 | 北京科技大学 | Electrolytic capacitor aluminum foil continuous annealing process |
| CN101831536A (en) * | 2010-05-28 | 2010-09-15 | 苏州工业园区胜龙电炉制造有限公司 | Isothermal annealing energy-saving furnace and isothermal annealing method thereof |
| CN202415665U (en) * | 2011-12-01 | 2012-09-05 | 湖南晟通科技集团有限公司 | Continuous annealing furnace for aluminum foils |
| CN103131972B (en) * | 2011-12-01 | 2016-09-28 | 湖南晟通科技集团有限公司 | A kind of aluminium foil continuous annealing method and aluminium foil continuous annealing furnace |
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Address after: 410200 Sheng Tong Industrial Park, 109 Jinxing Road, Wangcheng District, Changsha, Hunan. Patentee after: Suntown Technology Group Corporation Address before: 410200 Sheng Tong Industrial Park, 109 Jinxing Road, Wangcheng District, Changsha, Hunan. Patentee before: Hunan Shengtong Technology Group Co., Ltd. |
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