CN105970128B - The method of ultrasonic wave atomizing cooling aluminium volume - Google Patents
The method of ultrasonic wave atomizing cooling aluminium volume Download PDFInfo
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- CN105970128B CN105970128B CN201610309962.4A CN201610309962A CN105970128B CN 105970128 B CN105970128 B CN 105970128B CN 201610309962 A CN201610309962 A CN 201610309962A CN 105970128 B CN105970128 B CN 105970128B
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- aluminium
- temperature
- aluminium volume
- ultrasonic wave
- portal frame
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
Abstract
The invention discloses a kind of method of ultrasonic wave atomizing cooling aluminium volume, it is related to metal-working industry high temperature material cooling technology field, this method includes：High temperature aluminum after annealing is provided in atomization cooling device, the temperature of measurement aluminium volume, when aluminium volume temperature is more than 300 DEG C, it is cold that the spinning updraft produced by atomization cooling device bottom involves in sector-style to aluminium；When aluminium rolls up temperature in the range of 150~300 DEG C, air quantity is kept, meanwhile, supersonic atomizer is opened, atomizing particle 1um~5um fog is produced；When aluminium volume temperature is less than 150 DEG C and is more than 130 DEG C, control air quantity is in 3000~12000m3/ h, while intermittently starting supersonic atomizer；After aluminium volume temperature is less than T values, stops atomization, keep Boiler pressure control in 10000~24000m3/ h, until aluminium volume is cooled into room temperature or the temperature of requirement.The present invention solves the problem of existing large winding diameter aluminium volume cooling effectiveness is low, the time is long.
Description
Technical field
The present invention relates to metal-working industry high temperature material cooling technology field, especially a kind of large-tonnage aluminium volume atomization
The process of cooling.
Background technology
Temperature is higher after aluminium rolling system, annealing, and especially large winding diameter aluminium is rolled up, it is necessary to which the long period can just be cooled to next work
Sequence allows temperature, and this, which allows for aluminium volume cooling rate, turns into one of the reason for restriction factory quickly produces.Existing aluminium volume cooling
Method is：Quenching is directly rolled up against aluminium using many 1.5kw axial flow blower.This cooling means has the following disadvantages,
1st, less efficient, temperature fall time is up to 12 ~ 24 hours, or even the longer time；2nd, aluminium volume inhomogeneous cooling is even, causes aluminium to be rolled into point
Skewness.
The content of the invention
It is an object of the invention to provide a kind of method of ultrasonic wave atomizing cooling aluminium volume, this method can solve existing
There is large winding diameter aluminium to roll up the problem of cooling effectiveness is low, the time is long.
In order to solve the above problems, the technical solution adopted by the present invention is：This ultrasonic wave atomizing cooling aluminium volume
Method comprises the following steps：High temperature aluminum after annealing is provided in the atomization cooling device that exhaust outlet is opened up at top, measured
The temperature of aluminium volume, when aluminium volume temperature is more than 300 DEG C, the spinning updraft produced by the atomization cooling device bottom is to aluminium
Involve in sector-style cold, Boiler pressure control is in 2000~6000m3/h；When aluminium rolls up temperature in the range of 150~300 DEG C, air quantity is kept to exist
5000~12000m3/ h, meanwhile, supersonic atomizer is opened, atomizing particle 1um~5um fog, fog and rotation is produced
Turn ascending air converge to be formed atomization swirling eddy by heat from exhaust outlet discharge；When aluminium volume temperature is less than 150 DEG C and more than 130
DEG C when, control air quantity in 8000~15000m3/ h, while intermittently starting supersonic atomizer, after often opening 1 minute, stops 1
~3 minutes；After aluminium volume temperature is less than T values, stops atomization, keep Boiler pressure control in 10000~24000m3/ h, until by aluminium
Volume is cooled to room temperature or the temperature of requirement.
In the technical scheme of the method for above-mentioned ultrasonic wave atomizing cooling aluminium volume, more specifically technical scheme can be with
It is：The atomization cooling device includes the portal frame for being packaged with outer strip of paper used for sealing, and the front and rear doorframe of the portal frame is mounted on
The space that door curtain, the portal frame and the door curtain are enclosed is cooled region；Installed in the side frame bottom of the portal frame
There are bellows and water tank, the both sides of the portal frame are mounted on a water tank and two bellows, each water
Case is installed between two parties, and two bellows, which are symmetrically arranged in the water tank both sides, the bellows, is provided with pressure fan, the water tank
Inside it is placed with ultrasonic ultrasonic delay line memory, the water tank is communicated with atomizing nozzle, the spout of the atomizing nozzle and the bellows are sent
Air port is towards the cooled region；The air outlet has the vertical crosswind of uptake and inclination upward upward in outlet
Mouthful, it is oppositely arranged in the air-out direction of the crosswind mouthful of two bellows of same side；In institute on the outer strip of paper used for sealing
The corresponding position for stating bellows is provided with air inlet, and the air draft connected with the cooled region is offered at the top of the portal frame
Mouthful；Temperature sensor is installed on the inside of the portal frame.
Further, extraction fan is installed at the air inlet of the atomizing nozzle.
Further, the inner surface of the portal frame is covered with interior strip of paper used for sealing, and the inner top surface of the portal frame is taper
Air draft guide plate, the taper air draft guide plate gradually draws in form necking upwards, and the necking extends to the air draft straight up
Mouth forms air exhaust passage.
Further, the water tank outer surface is provided with thermal insulation layer.
Further, the temperature sensor has the temperature probe being flexibly connected with the portal frame.
Further, the outer strip of paper used for sealing and the interior strip of paper used for sealing are the aluminium skin that piecemeal is riveted with the portal frame.
Further, the air inlet is provided with protection network.
Further, the side frame of the portal frame is the double-deck multispan structure that angle steel is formed by welding.
Further, the bottom of the portal frame is provided with the plastics return pulley for the system of stopping.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
1st, processing method is simple and practical, safe and reliable, expense is low, effect is notable；Use minute water vapor particle vapour after atomization
Substantial amounts of heat is absorbed during change, rapid reduction aluminium volume and its environment temperature, and other types of cooling air-cooled with respect to blower fan can be saved
Mass energy is consumed, effectively the reduction technique stand-by period 40%.
2nd, two bellows are symmetrical arranged, and the air-out direction of the crosswind mouthful of two bellows of same side is oppositely arranged, shape
Uniform Flow is rolled up around aluminium into spinning updraft, drives aluminium volume surface heat aluminium volume neighboring area heat radiation to pass through top exhaust outlet
Quick outer row, makes aluminium volume cooling uniform.Meanwhile, water tank reduces the center of gravity of whole device, improves the stability of device.
The 3rd, extraction fan is set, atomized steam is quickly evacuated to cooled region, the effect of reinforcing cooling effect is reached.
4th, strip of paper used for sealing in setting, makes cooling device side, top bevel and exhausting duct form the smooth streamlined gas of integration
Guide surface is flowed, is quickly discharged beneficial to hot gas.
5th, water tank sets thermal insulation layer to separate aluminium volume and water tank, water temperature is kept low temperature.
6th, the temperature probe of portal frame flexible connection is arranged at, can be placed in temperature probe properly according to aluminium volume size
Position, so as to more accurately detect aluminium roll up temperature.
7th, framework is welded using double-deck angle steel, with certain rigidity, is unlikely to deform, and use aluminium skin is sealed inside and outside it
Dress, can mitigate the weight of complete machine.
8th, portal frame bottom is equipped with wheel, is arranged in bottom and keeps to the side position, can manually promote, machine is flexibly moved
To each place.
Brief description of the drawings
Fig. 1 is the structural representation for being atomized cooling device embodiment.
Fig. 2 is Fig. 1 right view.
Embodiment
The invention will be further described for embodiment below in conjunction with the accompanying drawings：
Embodiment 1
Atomization cooling device shown in Fig. 1 and Fig. 2 mainly include the portal frame 1 provided with strip of paper used for sealing, bellows 2, blower fan 2-2,
Water tank 3, ultrasonic ultrasonic delay line memory 3-1, atomizing nozzle 3-2, temperature sensor, door curtain 7, control cabinet 8.Two of portal frame 1 are just
To side frame be the double-deck multispan structure that is formed by welding of angle steel, its roof racks is gradually reduced upwards, and the top of portal frame 1 is opened up
Have and encapsulated to form outer strip of paper used for sealing 1-4 and interior strip of paper used for sealing 1-5 with aluminium skin inside and outside exhaust outlet 1-3, portal frame 1, all aluminium skin piecemeals are used
Aluminium rivet is riveted with angle iron frame, and two sides, top bevel and air exhaust passage 1-2 aluminium skins form the smooth streamlined gas of integration
Guide surface is flowed, the inner top surface of portal frame 1 is taper air draft guide plate 1-1, and taper air draft guide plate 1-1 gradually draws in formed upwards
Necking, necking extends to exhaust outlet 1-3 formation air exhaust passages 1-2 straight up.Doorframe is mounted on before and after portal frame 1
Door curtain 7, the door curtain 7 of the present embodiment uses electric door curtain, and portal frame 1 and front and rear door curtain 7 with strip of paper used for sealing put down what is enclosed afterwards
Space is the cooled region 1-6 for cooling down aluminium volume, and air exhaust passage 1-2 is connected with cooled region 1-6.The side frame of portal frame 1
Bottom is provided with bellows 2 and water tank 3, is fast and efficiently cooled down to realize, one is mounted in the both sides of portal frame 1
Water tank 3 and two bellows 2, water tank 3 is fixed with bolt respectively is installed on side frames between two parties, and two bellows 2 of homonymy are symmetrically installed
In the both sides of water tank 3；Ultrasonic ultrasonic delay line memory 3-1 is placed with water tank 3, water tank 3 is communicated with two atomization for erectting setting side by side sprays
Pipe 3-2, atomizing nozzle 3-2 spout 3-3 are provided with extraction fan towards cooled region 1-6 at atomizing nozzle 3-2 air inlet
（Not shown in figure）, extraction fan profile diameter size is with atomizing nozzle 3-2 internal diameters, for an atomization tracheal system part；Each bellows 2
Pressure fan 2-2 is inside provided with, the corresponding position with pressure fan 2-2 on outer strip of paper used for sealing 1-5 and bellows 2 is provided with air inlet, enters
Air port is provided with protection network 2-3；Bellows 2 have to the oblique cylinder 2-1 of the inclined wind-guidings of cooled region 1-6, are set on the oblique cylinder 2-1 of wind-guiding
There are multiple air outlets towards cooled region 1-6, these air outlets include the vertical uptake 2-5 and inclination court upward in outlet
On crosswind mouthful 2-4, the air-out direction installed in the crosswind mouthful 2-4 of two bellows 2 of same side is oppositely arranged.In gate-type frame
The inner side mounting temperature sensor of frame 1（Not shown in figure）, temperature sensor is with the thermometric spy being flexibly connected with portal frame 1
Head, 6 sizes are rolled up according to aluminium（Just）Temperature probe is laid in place, noncontact is carried out to roll up 6 surface temperatures to aluminium
Formula is detected, and its signal transmits compensating wire and is fixed on from simultaneously temporary electricity work band is introduced between the edge framework of door curtain 7 and door curtain 7
On doorframe, realize that monitoring aluminium rolls up 6 temperature in real time.For ease of operation, the control cabinet 8 of cooling system is arranged on outside portal frame 1,
The rolling motor of temperature sensor, pressure fan 2 and ultrasonic ultrasonic delay line memory 3-1 and door curtain is electrically connected with the control cabinet 8 respectively.For
It is easy to mobile and positions, the plastics return pulley 4 for the system of stopping is provided with the bottom of portal frame 1.It is preferred that, the surface of water tank 3 is set
There is thermal insulation layer, water is kept low temperature, the thermal insulation layer of the present embodiment uses thermal insulation cotton；Ultrasonic ultrasonic delay line memory 3-1 inside water tank 3,
When water shortage, atomizer does not work；Pressure fan 2-2 directions make airflow direction upward slightly upwards；Door curtain 7 uses high temperature resistant
Cloth；Air exhaust passage 1-2 is corresponding longer, hot-air is discharged into high aerial, allows pressure fan 2-2 to suck wind and improves cold for cold wind
But efficiency.
The method for cooling down aluminium volume using above-mentioned atomization cooling device comprises the following steps：The aluminium volume 6 of annealing is placed on V-type
On bearing 5, during cooling, will be atomized cooling device and shift onto needs the aluminium cooled to roll up 6 placement locations, aluminium is rolled up 6 and is placed in door between two parties
In formula framework 1, the door curtain 7 before and after portal frame 1 is put down, the temperature of measurement aluminium volume, when aluminium volume temperature is more than 300 DEG C, starts
Pressure fan, it is 2000 m to control air quantity3/ h, pressure fan sprays from the uptake and crosswind mouthful of bellows from cooling device bottom to be produced
Spinning updraft involve in that sector-style is cold to aluminium, the exhaust outlet that air-flow is rolled up at the top of the hot blast slave unit to be formed by aluminium is climbed out of；When
When aluminium rolls up temperature in the range of 150~300 DEG C, air quantity is kept in 5000m3/ h, meanwhile, supersonic atomizer is opened, is produced
3~5um of atomizing particle fog, fog and spinning updraft, which converge, to be formed atomization swirling eddy and arranges heat from exhaust outlet
Go out, take away substantial amounts of heat；When aluminium volume temperature is less than 150 DEG C and is more than 130 DEG C, to ensure that aluminium volume is not moisture attacks oxygen
Change, increase the swirling eddy that surrounding is rolled up around aluminium, control air quantity is in 8000m3/ h, while intermittently starting supersonic atomizer,
After often opening 1 minute, stop 1 minute so that vaporescence is all in aluminium and rolls up top, and discharge top in time；When aluminium rolls up temperature
Degree is less than after T values, stops atomization, keeps Boiler pressure control in 24000m3/ h, until aluminium volume is cooled into room temperature or the temperature of requirement
Degree.Wherein, T values are according to the specific value of different-alloy technological requirement, and scope is 95~135 DEG C.The aluminium of the present embodiment intervolves gold
1100, T values are 95 DEG C.
Embodiment 2
The present embodiment cooling aluminium volume method be：High temperature aluminum volume after annealing is transported in aluminium volume atomization cooling device, surveyed
The temperature of aluminium volume is measured, when aluminium volume temperature is more than 300 DEG C, starts pressure fan, it is 4000m to control air quantity3/ h, pressure fan is from bellows
Uptake and crosswind mouthful the spinning updraft produced is sprayed from cooling device bottom and involves in that sector-style is cold to aluminium, air-flow passes through aluminium
Roll up the exhaust outlet discharge at the top of the hot blast slave unit formed；When aluminium rolls up temperature in the range of 150~300 DEG C, air quantity is kept to exist
8000m3/ h, meanwhile, supersonic atomizer is opened, 1~3um of atomizing particle fog, fog and spinning updraft is produced
Converge to form atomization swirling eddy by heat from exhaust outlet discharge, take away substantial amounts of heat；When aluminium volume temperature is less than 150 DEG C and big
When 130 DEG C, to ensure that aluminium volume is not moisture attacks oxidation, the swirling eddy around aluminium volume is increased, control air quantity exists
12000m3/ h, while intermittently starting supersonic atomizer, after often opening 1 minute, stops 2 minutes so that vaporescence is all in
Aluminium rolls up top, and discharge top in time；After aluminium volume temperature is less than T values, stops atomization, keep Boiler pressure control to exist
18000m3/ h, until aluminium volume is cooled into room temperature or the temperature of requirement.It is that 3003, T values are 103 that the aluminium of the present embodiment, which intervolves gold,
℃.Remaining feature is same as Example 1.
Embodiment 3
The present embodiment cooling aluminium volume method be：High temperature aluminum volume after annealing is transported in aluminium volume atomization cooling device, surveyed
The temperature of aluminium volume is measured, when aluminium volume temperature is more than 300 DEG C, starts pressure fan, it is 6000m to control air quantity3/ h, pressure fan is from bellows
Uptake and crosswind mouthful the spinning updraft produced is sprayed from cooling device bottom and involves in that sector-style is cold to aluminium, air-flow passes through aluminium
The exhaust outlet at the top of the hot blast slave unit formed is rolled up to climb out of；When aluminium rolls up temperature in the range of 150~300 DEG C, air quantity is kept to exist
12000m3/ h, meanwhile, supersonic atomizer is opened, 1~3um of atomizing particle fog is produced, fog rises gas with rotation
Stream converges to form atomization swirling eddy by heat from exhaust outlet discharge, takes away substantial amounts of heat；When aluminium volume temperature less than 150 DEG C and
During more than 130 DEG C, to ensure that aluminium volume is not moisture attacks oxidation, the swirling eddy around aluminium volume is increased, control air quantity exists
15000m3/ h, while intermittently starting supersonic atomizer, after often opening 1 minute, stops 3 minutes so that vaporescence is all in
Aluminium rolls up top, and discharge top in time；After aluminium volume temperature is less than T values, stops atomization, keep Boiler pressure control to exist
10000m3/ h, until aluminium volume is cooled into room temperature or the temperature of requirement.It is 5052/5182, T values that the aluminium of the present embodiment, which intervolves gold,
For 135 DEG C.Remaining feature is same as Example 1.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also included in this area skill
Art personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (10)
1. a kind of method of ultrasonic wave atomizing cooling aluminium volume, it is characterised in that comprise the following steps：By the high temperature after annealing
Aluminium is provided in the atomization cooling device that exhaust outlet is opened up at top, the temperature of measurement aluminium volume, when aluminium volume temperature is more than 300 DEG C
When, it is cold that the spinning updraft produced by the atomization cooling device bottom involves in sector-style to aluminium, Boiler pressure control 2000~
6000m3/h；When aluminium rolls up temperature in the range of 150~300 DEG C, air quantity is kept in 5000~12000m3/ h, meanwhile, open super
Sound wave atomising device, produces the fog of 1 μm~5 μm of atomizing particle, and fog converges to form atomization rotary pneumatic with spinning updraft
Stream discharges heat from exhaust outlet；When aluminium volume temperature is less than 150 DEG C and more than 130 DEG C, control air quantity 8000~
15000m3/ h, while intermittently starting supersonic atomizer, after often opening 1 minute, stops 1~3 minute；When aluminium volume temperature is low
In after T values, stop atomization, keep Boiler pressure control in 10000~24000m3/ h, room temperature or requirement are cooled to until aluminium is rolled up
Temperature；T values scope is 95~135 DEG C.
2. the method for ultrasonic wave atomizing cooling aluminium volume according to claim 1, it is characterised in that：The atomization cooling
Equipment includes being packaged with the portal frame of outer strip of paper used for sealing, and the front and rear doorframe of the portal frame is mounted on door curtain, the gate-type frame
The space that frame and the door curtain are enclosed is cooled region；Bellows and water tank are installed in the side frame bottom of the portal frame, institute
The both sides for stating portal frame are mounted on a water tank and two bellows, and each water tank is installed between two parties, two
The bellows, which are symmetrically arranged in the water tank both sides, the bellows, is provided with pressure fan, and ultrasonic wave is placed with the water tank
Atomizer, the water tank is communicated with atomizing nozzle, and the equal direction of the air outlet of the spout of the atomizing nozzle and the bellows is described
Cooled region；The air outlet has vertical uptake and the inclination crosswind upward mouthful upward in outlet, in same side
The air-out direction of the crosswind mouthful of two bellows is oppositely arranged；In the correspondence position of the bellows on the outer strip of paper used for sealing
Place is provided with air inlet, and the exhaust outlet connected with the cooled region is offered at the top of the portal frame；The portal frame
Inner side temperature sensor is installed.
3. the method for ultrasonic wave atomizing cooling aluminium volume according to claim 2, it is characterised in that：The atomizing nozzle
Air inlet at extraction fan is installed.
4. the method for ultrasonic wave atomizing cooling aluminium volume according to claim 3, it is characterised in that：The portal frame
Inner surface covered with interior strip of paper used for sealing, the inner top surface of the portal frame is taper air draft guide plate, and the taper air draft guide plate is upward
Gradually draw in and form necking, the necking extends to the exhaust outlet formation air exhaust passage straight up.
5. the method for ultrasonic wave atomizing cooling aluminium volume according to claim 4, it is characterised in that：The water tank appearance
Face is provided with thermal insulation layer.
6. the method that the ultrasonic wave atomizing cooling aluminium according to any one of claim 2 to 4 claim is rolled up, its feature
It is：The temperature sensor has the temperature probe being flexibly connected with the portal frame.
7. the method for ultrasonic wave atomizing cooling aluminium volume according to claim 5, it is characterised in that：The outer strip of paper used for sealing and
The interior strip of paper used for sealing is the aluminium skin that piecemeal is riveted with the portal frame.
8. the method for ultrasonic wave atomizing cooling aluminium volume according to claim 7, it is characterised in that：The air inlet peace
Equipped with protection network.
9. the method for ultrasonic wave atomizing cooling aluminium volume according to claim 8, it is characterised in that：The portal frame
Side frame be the double-deck multispan structure that is formed by welding of angle steel.
10. the method for ultrasonic wave atomizing cooling aluminium volume according to claim 9, it is characterised in that：The gate-type frame
The bottom of frame is provided with the plastics return pulley for the system of stopping.
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| JPS57110626A (en) * | 1980-12-26 | 1982-07-09 | Kawasaki Steel Corp | Method for quenching of strip in continuous annealing |
| JP5795560B2 (en) * | 2011-07-27 | 2015-10-14 | 中外炉工業株式会社 | Furnace for thermal processing of workpieces |
| CN102851484A (en) * | 2012-03-22 | 2013-01-02 | 万永强 | Bell jar-type annealing furnace water mist air cooling process and device |
| CN203091725U (en) * | 2013-03-06 | 2013-07-31 | 区晓帆 | High-efficiency cooling device |
| CN203200305U (en) * | 2013-04-10 | 2013-09-18 | 江苏亚太安信达铝业有限公司 | Multifunctional aluminium alloy cooling furnace |
| CN203346461U (en) * | 2013-05-23 | 2013-12-18 | 江阴江顺铝型材成套设备制造有限公司 | Online water-cooling, air-cooling and fog-cooling quenching device for aluminum profile |
| CN104017961B (en) * | 2014-06-20 | 2016-08-31 | 辽宁忠旺机械设备制造有限公司 | Water smoke air-cooled associating quenching unit |
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