CN102851484A - Bell jar-type annealing furnace water mist air cooling process and device - Google Patents
Bell jar-type annealing furnace water mist air cooling process and device Download PDFInfo
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- CN102851484A CN102851484A CN2012100773320A CN201210077332A CN102851484A CN 102851484 A CN102851484 A CN 102851484A CN 2012100773320 A CN2012100773320 A CN 2012100773320A CN 201210077332 A CN201210077332 A CN 201210077332A CN 102851484 A CN102851484 A CN 102851484A
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Abstract
The invention relates to a bell jar-type annealing furnace, and especially relates to a bell jar-type annealing furnace water mist air cooling process and a device. The technical scheme is that: during an annealing process of metal materials, air cooling and water cooling are performed after heating and heat preservation to reach a set temperature so as to complete annealing; through the addition of a water mist device or an air cooling device, water is atomized or the humidity of low temperature air is increased, and thus more heat is taken away within a same period. The beneficial effect is that heat inside the bell jar is rapidly taken away by mist evaporation and the cold air temperature difference, and the temperature of the charged atomized gas or at the cold air inlet is constant, which avoids the imbalance of annealing time caused by seasonal temperature differences; the product quality is stabilized; and rapid cooling greatly reduces adhesion between materials due to expansion caused by heat and contraction caused by cold; tests show that with the addition of the atomized water gas, the air cooling time is shortened by about 1/3, and the air cooling time is greatly reduced.
Description
Technical field
The present invention relates to a kind of bell-type annealing furnace, particularly the air-cooled technique of a kind of bell-type annealing furnace water smoke and device.
Background technology
Bell-type annealing furnace is present one of the most general periodic annealing furnace in the world, with reference to accompanying drawing 3, comprises exhaust blower a, is annealed material b, cooling cowl c, inner cover d, strong convection blower fan e, air intake f form.Bell-type annealing furnace adopts perhydro (or Gao Qing) as shielding gas; utilize the high-speed circulating blower fan; make shielding gas quick transmission of heat by convection in inner cover; reach rapidly and uniformly heating and cooling annealed material; product performance are even; production efficiency is high, is widely used in the anneal of iron and steel, non-ferrous metal.By annealing the crystal grain that is elongated is become equi-axed crystal, obtain good cold-forming property.
At present, the technique of bell-type annealing furnace has now adopted automatic control in the world, and under automatic condition, PLC after technique heating and the insulation, carries out air-cooled water-cooled according to process curve in accordance with regulations automatically; After cooling cowl hung on, cooling blower was opened automatically, with the air intake cooling cowl in the surrounding environment, took away heat, to setting the air-cooled water-cooled temperature that turns, air-cooled end; Transfer water-cooled to and carry out, to specified temperature, hang out cooling cowl, annealing is finished.Present air cooling way, to cool off by the air that the top blower fan sucks under the normal temperature, have like this defective of following two aspects: the air of (1) normal temperature is subjected to the impact of ambient temperature larger, and this is a greater impact cooling rate, thus the performance index of the impact material that moves back; (2) use air-cooled+water-cooling process in the process for cooling, replace old air-cooled technique, greatly shortened cooling time, but be the air-cooled not cancellation of protection inner cover body of heater, make the air-cooled time that in process of cooling, takies more, wasted the power consumption of strong convection blower fan in the inner cover; Strengthened simultaneously the possibility of adhesion between the material.
Summary of the invention
Purpose of the present invention is exactly in view of the foregoing defects the prior art has, and the air-cooled technique of a kind of bell-type annealing furnace water smoke and device are provided, and heat is taken away, and greatly shortens annealing time, reduces power consumption, raises the efficiency stabilized product quality.
The air-cooled technique of a kind of bell-type annealing furnace water smoke, its technical scheme is: be included in the annealing process of metallic substance, finish annealing after reaching design temperature by the laggard sector-style cold water of heating and heat preservation is cold; Its improvements are: by increasing water smoke device or air cooling equipment, water is atomized or Cryogenic air that humidity strengthens, make and take away more heat within the identical time;
Described water smoke device mainly is comprised of superzapping equipment, atomizing parts and associated ping, superzapping equipment connects the atomizing parts by associated ping, the atomizing parts are fixed on the sidewall of bell-type annealing furnace cooling cowl, and the access superzapping equipment of will intaking reaches more than the 0.3mpa hydraulic pressure;
Described air cooling equipment mainly is comprised of cold wind humidifier, tuyere and attached airduct, and the cold wind humidifier connects a plurality of tuyeres by attached airduct, and tuyere is fixed on the sidewall of bell-type annealing furnace cooling cowl; Recirculated water is connected to cold wind humidifier and circulation, starts the cold wind of cold wind humidifier after with humidification when air-cooled and send in the cooling cowl.
A kind of bell-type annealing furnace water smoke air cooling equipment, its technical scheme is comprised of water smoke device or air cooling equipment, described water smoke device mainly is comprised of superzapping equipment, atomizing parts and associated ping, superzapping equipment connects the atomizing parts by associated ping, the atomizing parts are fixed on the sidewall of bell-type annealing furnace cooling cowl, to intake and access superzapping equipment, hydraulic pressure is reached more than the 0.3mpa;
Described air cooling equipment mainly is comprised of cold wind humidifier, tuyere and attached airduct, and the cold wind humidifier connects a plurality of tuyeres by attached airduct, and tuyere is fixed on the sidewall of bell-type annealing furnace cooling cowl; Recirculated water is connected to cold wind humidifier and circulation, starts the cold wind of cold wind humidifier after with humidification when air-cooled and send in the cooling cowl.
The invention has the beneficial effects as follows: make the air of the normal temperature that enters cooling cowl become the atomized water gas of manual control, or the larger cold wind of humidity, thereby by the evaporation of fog and the temperature difference of cold wind the heat in the inner cover is taken away rapidly, the atomizing gas of sending into or cold wind inlet temperature are constant, avoided causing the unbalanced of annealing time because of Seasonal Temperature Difference, thereby stablized the quality of product, simultaneously fast cooling is expanded with heat and contract with cold former thereby is caused adhesion very significant the minimizing between the material; Test shows, by adding atomized water gas, air-cooled time shorten about 1/3 has greatly reduced the air-cooled time; While is because of the atomized water gas (cold wind that humidity is larger) that uses, but not the direct injection of water does not produce any destruction to inner cover.
Description of drawings
Fig. 1 is the thetagram under the normarzing annealing technique;
Fig. 2 is the thetagram of atomized water gas annealing technique;
Diagrammatic cross-section when Fig. 3 is the cooling of common bell-type annealing furnace;
Fig. 4 is the diagrammatic cross-section that has increased the air-supply of atomized water gas;
Fig. 5 is the diagrammatic cross-section that has increased the air-supply of cold wind equipment;
Among the upper figure: superzapping equipment 1, atomizing parts 2, associated ping 3, water inlet 4, cold wind humidifier 5, attached airduct 6, tuyere 7, recirculated water 8, fast plug 9; Exhaust blower a, be annealed material b, cooling cowl c, inner cover d, strong convection blower fan e, air intake f.
Embodiment
The air-cooled technique of a kind of bell-type annealing furnace water smoke is with reference to accompanying drawing 1-5: present invention resides in the annealing process of metallic substance, finish annealing after reaching design temperature by the laggard sector-style cold water of heating and heat preservation is cold; Its improvements are: by increasing water smoke device or air cooling equipment, water is atomized or Cryogenic air that humidity strengthens, make and take away more heat within the identical time; Shorten the air-cooled time, made the air that enters keep constant temp and humidity, used electric consumption, stabilized product quality thereby reduce.Described water smoke device mainly is comprised of superzapping equipment 1, atomizing parts 2 and associated ping 3, superzapping equipment 1 connects atomizing parts 2 by associated ping 3, atomizing parts 2 are fixed on the sidewall of bell-type annealing furnace cooling cowl, and the 4 access superzapping equipment 1 of will intaking reach more than the 0.3mpa hydraulic pressure;
Wherein, air cooling equipment mainly is comprised of cold wind humidifier 5, tuyere 7 and attached airduct 6, and cold wind humidifier 5 connects a plurality of tuyeres 7 by attached airduct 6, and tuyere 7 is fixed on the sidewall of bell-type annealing furnace cooling cowl; Recirculated water 8 is connected to cold wind humidifier 5 and circulation, starts cold wind humidifier 5 when air-cooled cold wind behind the humidification is sent in the cooling cowl.
A kind of bell-type annealing furnace water smoke air cooling equipment, with reference to Fig. 4 and Fig. 5, the present invention is comprised of water smoke device or air cooling equipment, described water smoke device mainly is comprised of superzapping equipment 1, atomizing parts 2 and associated ping 3, superzapping equipment 1 connects atomizing parts 2 by associated ping 3, atomizing parts 2 are fixed on the sidewall of bell-type annealing furnace cooling cowl, and the 4 access superzapping equipment 1 of will intaking reach more than the 0.3mpa hydraulic pressure; Described air cooling equipment mainly is comprised of cold wind humidifier 5, tuyere 7 and attached airduct 6, and cold wind humidifier 5 connects a plurality of tuyeres 7 by attached airduct 6, and tuyere 7 is fixed on the sidewall of bell-type annealing furnace cooling cowl; Recirculated water 8 is connected to cold wind humidifier 5 and circulation, starts cold wind humidifier 5 when air-cooled cold wind behind the humidification is sent in the cooling cowl.Atomizing parts air port and pipeline be connected to fast plug 9, can make things convenient for the replacing of bonnet.Atomizing parts 2 quantity are come set amount according to the equipment of different model.
Existing bell-type annealing furnace with reference to accompanying drawing 3, comprises exhaust blower a, is annealed material b, cooling cowl c, inner cover d, strong convection blower fan e, air intake f form.
The present invention sends into the Cryogenic air of atomized water or humidity increasing in the cooling cowl when carrying out air-cooled technique, by the equipment blower fan heat is taken away fast.Accelerate simultaneously air-cooled speed, can reduce the adhesion of the made-up belt that causes because expanding with heat and contract with cold, improved quality product.
Claims (2)
1. the air-cooled technique of bell-type annealing furnace water smoke is included in the annealing process of metallic substance, finishes annealing after reaching design temperature by the laggard sector-style cold water of heating and heat preservation is cold; It is characterized in that: by increasing water smoke device or air cooling equipment, water is atomized or Cryogenic air that humidity strengthens, make and within the identical time, take away more heat;
Described water smoke device mainly is comprised of superzapping equipment (1), atomizing parts (2) and associated ping (3), superzapping equipment (1) connects atomizing parts (2) by associated ping (3), atomizing parts (2) are fixed on the sidewall of bell-type annealing furnace cooling cowl, to intake (4) access superzapping equipment (1), hydraulic pressure is reached more than the 0.3mpa;
Described air cooling equipment mainly is comprised of cold wind humidifier (5), tuyere (7) and attached airduct (6), and cold wind humidifier (5) connects a plurality of tuyeres (7) by attached airduct (6), and tuyere (7) is fixed on the sidewall of bell-type annealing furnace cooling cowl; Recirculated water (8) is connected to cold wind humidifier (5) and circulation, starts cold wind humidifier (5) when air-cooled cold wind behind the humidification is sent in the cooling cowl.
2. bell-type annealing furnace water smoke air cooling equipment according to claim 1, it is characterized in that: formed by water smoke device or air cooling equipment, described water smoke device mainly is comprised of superzapping equipment (1), atomizing parts (2) and associated ping (3), superzapping equipment (1) connects atomizing parts (2) by associated ping (3), atomizing parts (2) are fixed on the sidewall of bell-type annealing furnace cooling cowl, to intake (4) access superzapping equipment (1), hydraulic pressure is reached more than the 0.3mpa;
Described air cooling equipment mainly is comprised of cold wind humidifier (5), tuyere (7) and attached airduct (6), and cold wind humidifier (5) connects a plurality of tuyeres (7) by attached airduct (6), and tuyere (7) is fixed on the sidewall of bell-type annealing furnace cooling cowl; Recirculated water (8) is connected to cold wind humidifier (5) and circulation, starts cold wind humidifier (5) when air-cooled cold wind behind the humidification is sent in the cooling cowl.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100773320A CN102851484A (en) | 2012-03-22 | 2012-03-22 | Bell jar-type annealing furnace water mist air cooling process and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100773320A CN102851484A (en) | 2012-03-22 | 2012-03-22 | Bell jar-type annealing furnace water mist air cooling process and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970128A (en) * | 2016-05-11 | 2016-09-28 | 广西柳州银海铝业股份有限公司 | Method for cooling aluminum coil through ultrasonic water vapor atomization |
| CN106759359A (en) * | 2017-02-27 | 2017-05-31 | 中交公局厦门工程有限公司 | It is a kind of based on air-cooled mass concrete cooling device, construction method and application |
| CN108652974A (en) * | 2018-05-28 | 2018-10-16 | 刘志佳 | A kind of atomization preparation method and atomization device for making |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57110626A (en) * | 1980-12-26 | 1982-07-09 | Kawasaki Steel Corp | Method for quenching of strip in continuous annealing |
| JPH06100948A (en) * | 1992-09-22 | 1994-04-12 | Sumitomo Metal Ind Ltd | Method for control of cooling in butch type tight annealing |
| CN201447489U (en) * | 2009-06-26 | 2010-05-05 | 周开勇 | Water spraying device of annealing furnace outlet |
-
2012
- 2012-03-22 CN CN2012100773320A patent/CN102851484A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57110626A (en) * | 1980-12-26 | 1982-07-09 | Kawasaki Steel Corp | Method for quenching of strip in continuous annealing |
| JPH06100948A (en) * | 1992-09-22 | 1994-04-12 | Sumitomo Metal Ind Ltd | Method for control of cooling in butch type tight annealing |
| CN201447489U (en) * | 2009-06-26 | 2010-05-05 | 周开勇 | Water spraying device of annealing furnace outlet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970128A (en) * | 2016-05-11 | 2016-09-28 | 广西柳州银海铝业股份有限公司 | Method for cooling aluminum coil through ultrasonic water vapor atomization |
| CN106759359A (en) * | 2017-02-27 | 2017-05-31 | 中交公局厦门工程有限公司 | It is a kind of based on air-cooled mass concrete cooling device, construction method and application |
| CN108652974A (en) * | 2018-05-28 | 2018-10-16 | 刘志佳 | A kind of atomization preparation method and atomization device for making |
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Application publication date: 20130102 |