CN202830117U - Aluminum-iron separating furnace with function of automatically melting recycled aluminum - Google Patents

Aluminum-iron separating furnace with function of automatically melting recycled aluminum Download PDF

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Publication number
CN202830117U
CN202830117U CN2012205357011U CN201220535701U CN202830117U CN 202830117 U CN202830117 U CN 202830117U CN 2012205357011 U CN2012205357011 U CN 2012205357011U CN 201220535701 U CN201220535701 U CN 201220535701U CN 202830117 U CN202830117 U CN 202830117U
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China
Prior art keywords
furnace
smelting furnace
aluminum
ferro
automatically
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Withdrawn - After Issue
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CN2012205357011U
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Chinese (zh)
Inventor
臧立中
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Baoding Anbaoneng Metallurgy Equipment Co Ltd
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Baoding Anbaoneng Metallurgy Equipment Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

The utility model discloses an aluminum-iron separating furnace with a function of automatically melting recycled aluminum. The aluminum-iron separating furnace comprises furnace bodies, a burner and a tipping and rotating device, wherein the furnace bodies are a melting furnace and a smelting furnace which are communicated to each other; the burner is positioned inside the melting furnace; and the tipping and rotating device is used for the furnace bodies. A potential difference exists between the smelting furnace and the melting furnace, and the bottom of the smelting furnace is higher than that of the melting furnace. The melting furnace and the smelting furnace are communicated by a connecting channel, and the connecting channel is formed in the bottom of the smelting furnace. Due to adoption of the structure, the aluminum-iron separating furnace with the function of automatically melting the recycled aluminum has the advantages of effectively separating metallic iron and metallic aluminum in the recycled aluminum smelting process, improving the aluminum alloy quality and the metal recovery rate and being high in automation degree and energy-saving and environment-friendly.

Description

Secondary aluminum melts the ferro-aluminum parting furnace automatically
Technical field
The utility model relates to a kind of regenerated aluminum smelting equipment, especially relates to a kind of secondary aluminum and automatically melts the ferro-aluminum parting furnace.
Background technology
The recovery of secondary aluminum and utilization are significant for a national aluminium industrial expansion, industrial structure upgrading, are environmental protection industries.The recovery cycling and reutilization of secondary aluminum both saved Mineral resources, reduced again in the course of processing pollution to air and water resources.
At present, domestic and international most of secondary aluminums reclaim processing enterprise because the technical matters level is low, and equipment performance falls behind, and production efficiency is low, and labor strength is large, and production on-site environment is abominable, cause the metal processing rate of recovery to be lower than 90%.
The source of renewable aluminum raw material comprises automobile, electric power, aviation, navigation, building, electronic apparatus, the industries such as food product pack, renewable aluminum raw material not only composition is assorted, specification, various in style, and shape and difference of specific gravity are very large, wherein be entrained with the proportion that difform ironware accounts for 3%-15% in the renewable aluminum raw material, iron content class impurity in the fusion process of secondary aluminum because being corroded for a long time by high temperature aluminum liquid, cause Iron in Aluminium Alloy constituent content ratio to increase, so that easily form the metallic crystal body of fragility in the aluminium alloy, thereby reduce its mechanical property, therefore, iron level generally need to be controlled at below 1% in the secondary aluminum removal process.
Present Regenerated aluminium smelter hearth is essentially two kinds: crucible oven formula and reverberatory furnace formula.Crucible oven is the common equipment of melting secondary aluminium alloy, and the workman operates under hot environment, and labour intensity is large, Iron in Aluminium Alloy increased content in the production process, and production efficiency is low-cost high, no matter it is higher with coal or other fuel energy consumption of heating to be electricity consumption; Domestic and international most of enterprise uses the flame reverberatory furnace to produce secondary aluminum, be difficult to accurately control temperature in the production process, also can't remove the ironware in the secondary aluminum, cause ferro element to increase, can not satisfy the quality product requirement, also not have the increase of ferro element in the better method control secondary aluminum fusion process in the prior art.
The utility model content
The purpose of this utility model provides a kind of secondary aluminum and automatically melts the ferro-aluminum parting furnace, can be in the secondary aluminum smelting process, and effective separation metallic iron and metallic aluminium improve aluminium alloy quality and metal recovery rate, and level of automation is high, energy-conserving and environment-protective.
For achieving the above object, the utility model provides a kind of secondary aluminum automatically to melt the ferro-aluminum parting furnace, comprising:
Body of heater, described body of heater are smelting furnace and the smelting furnace that is interconnected;
Be positioned at the burner of described smelting furnace inside;
Be used for the swivel arrangement of tumbling that described body of heater is tumbled and rotated.
Preferably, there are potential difference in described smelting furnace and described smelting furnace, and the bottom of described smelting furnace is higher than the bottom of described smelting furnace.
Preferably, described smelting furnace and described smelting furnace are communicated with by connecting passage, and described connecting passage is located at described smelting furnace bottom.
Preferably, the volume of described smelting furnace is not more than the volume of described smelting furnace.
Preferably, the fire door of described smelting furnace and described smelting furnace all adopts the four connecting rods device that is fixed and clamped to be fixed on the described body of heater.
Preferably, be equipped with furnace door lifting device on the fire door of described smelting furnace and described smelting furnace.
Preferably, described furnace door lifting device is fixed on the described body of heater, and described furnace door lifting device is connected with described fire door with the lifting guide wheel by lifting chain.
Preferably, the described swivel arrangement of tumbling comprises:
Be positioned at the rotating supporting device of tumbling of described bottom of furnace body;
Reducing motor;
The rotation guide wheel of tumbling;
The rotary-chain of tumbling, described chain one end of tumbling is fixed on the described reducing motor, and the other end is fixed in described bottom of furnace body by the described rotation guide wheel of tumbling.
Preferably, described smelting furnace is provided with the recycling residual heat system.
Preferably, also be provided with fume exhaust system on the described smelting furnace.
Therefore, the utility model adopts the secondary aluminum of said structure automatically to melt the ferro-aluminum parting furnace, can be in the secondary aluminum smelting process, and effective separation metallic iron and metallic aluminium are put forward High-Alumina and the secondary aluminum rate of recovery.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation that the utility model secondary aluminum melts ferro-aluminum parting furnace embodiment automatically.
Embodiment
Embodiment
Fig. 1 is the structural representation that the utility model secondary aluminum melts ferro-aluminum parting furnace embodiment automatically, as shown in Figure 1, comprising: body of heater 1, smelting furnace 2 and the smelting furnace 3 of body of heater 1 for being interconnected; Smelting furnace 2 inside are provided with burner 21, and body of heater 1 is provided with the swivel arrangement of tumbling of tumbling and rotating for body of heater.There is potential difference in smelting furnace 3 with smelting furnace 2, and the bottom of smelting furnace 3 is higher than the bottom of smelting furnace 2.
Smelting furnace 2 and smelting furnace 3 are communicated with by connecting passage 5, and connecting passage 5 is located at smelting furnace 3 bottoms.
The volume of smelting furnace 3 is not more than the volume of smelting furnace 2.
The fire door of smelting furnace 2 and smelting furnace 3 all adopts the four connecting rods device that is fixed and clamped to be fixed on the body of heater 1, and the fire door of smelting furnace 2 represents that with fire door 22 fire door of smelting furnace 3 represents with fire door 31.
Be equipped with furnace door lifting device 6 on the fire door of smelting furnace 2 and smelting furnace 3, furnace door lifting device 6 is fixed on the body of heater 1, and furnace door lifting device 6 is connected with fire door 1 with lifting guide wheel 62 by lifting chain 61, realizes the rise and fall of fire door, namely opens and closes.
The described swivel arrangement of tumbling comprises the rotating supporting device 41 of tumbling, the reducing motor 42 that is positioned at body of heater 1 bottom, tumble rotation guide wheel 43, the rotary-chain 44 of tumbling, rotary-chain 44 1 ends of tumbling are fixed on the reducing motor 42, and the other end is fixed in body of heater 1 bottom by the rotation guide wheel 43 of tumbling.Smelting furnace 3 is provided with recycling residual heat system 32, as shown in Figure 1, is provided with gas approach, exhanst gas outlet, cooling water inlet and hot water outlet, with the abundant recycle of the waste heat in the flue gas, energy-conserving and environment-protective.
Smelting furnace 3 is provided with fume exhaust system 33, is used for the discharge of flue dust.
All operating devices all are connected to power distribution cabinet, push-button control in the present embodiment.
When the present embodiment real work, at first open smelting furnace fire door 22, to the inner filling of smelting furnace aluminium material, then close fire door 22, open burner 21, smelting furnace 2 interior aluminium material are carried out melting, flue gas enters smelting furnace 3 by connecting passage 5 in the process since then, it is carried out preheating, then flue gas enters the recycling residual heat system and absorbs heat energy, discharges by fume exhaust system 32 again, and heat energy obtains abundant recycle in this process, reduced simultaneously environmental pollution, energy-conserving and environment-protective.After smelting furnace 2 interior aluminium liquid reach the requirement temperature, close burner 21, open smelting furnace door 31, load secondary aluminums to smelting furnace 3, load complete after, start the described swivel arrangement of tumbling, namely at first start reducing motor 42 as tumbling rotary power,, with the rotation of tumbling of present embodiment integral body, by mechanism and electric pair are spacing the present embodiment tip-over angle is controlled as tumbling rotary support by the rotating supporting device 41 of tumbling.Aluminium water in the smelting furnace 2 enters smelting furnace 3, and the secondary aluminum in the smelting furnace 3 carries out the aggressiveness fusing, and present embodiment resetted after fusing was finished, and and so forth, was pulled away until the aluminium in smelting furnace 3 all is fused into aluminium water, and aluminium liquid reaches temperature, finishes melting, converter.
Present embodiment also can adopt hydraulic efficiency system to drive hydro-cylinder by oil pump and control valve and realize tumbling spinning movement, gives unnecessary details no longer one by one at this.
Present embodiment uses the conjoined structure of smelting furnace and smelting furnace, and it is designed to the height stove form of drop form, be connected between the two, certain potential difference is arranged, burner only is set in smelting furnace, and smelting furnace only plays the fusing effect, and renewable aluminum raw material is packed into after the smelting furnace, open the burner rapid melting, the aluminium water temp is controlled in 750 degree.If reach the 800-900 degree, the density on aluminium liquid surface is 3.5g/m 3γ-Al 2O 3Namely beginning to density is 4.0g/m 3α-Al 2O 3Change, the result makes mostly occur 13% contraction of surface volume, causes original continuously fine and close oxide film the crack to occur, makes aluminium liquid to the deep layer oxidation, reduces the secondary aluminum rate of recovery.Therefore the present embodiment design adopts automatic temperature measurement to carry out Real-Time Monitoring.After reaching the aluminium water yield that needs, close burner, load various renewable aluminum raw material to smelting furnace, then by the tumbling of whole body of heater, so that the aluminium water in the smelting furnace flow in the working chamber by connecting passage moment, the aluminium water that aluminium liquid surface enters the working chamber washes away useless assorted aluminium wherein, make aluminium wherein reach the fusing point fusing, the aluminium water of fusing is together got back in the smelting furnace by connecting passage along with body of heater falls the original position that falls back after rise, has reduced the time that iron contacts with the aluminum solutions of melting.Data presentation adopts its iron level of secondary aluminum of present embodiment melting all below 1.2% after testing, has reduced the iron-holder that reclaims in the aluminum melt, meets production requirement, need not dilution process, and the rate of recovery is up to more than 90% simultaneously.Wherein the impurity such as iron is then stayed in the working chamber, can rake off by artificial or machinery, enters the further melting of aluminium liquid of fusing, owing to there is not the impurity such as iron, therefore, has avoided the pollution of iron to aluminum melt in whole fusion process, has guaranteed the quality of aluminium alloy.
Because in the present embodiment working process, renewable aluminum raw material has been avoided directly contacting with flame, has reduced the burn out rate of renewable aluminum raw material, has improved the rate of recovery of metallic aluminium.And with the design of the volume of smelting furnace greater than the smelting furnace volume so that present embodiment can be concentrated the advantage of earthenware snail smelting furnace and reverberatory furnace, renewable aluminum raw material does not contact flame, scaling loss is low; Volume is large, and thermo-efficiency is high.Renewable aluminum raw material adds at smelting furnace, and by washing away of smelting furnace first aluminium liquid, moment is melted thereupon, and the rotation of tumbling is back and forth carried out.Because the volume of smelting furnace is little, surface-area is little, renewable aluminum raw material in it fully can be melted, and has finally effectively controlled the growth ratio of ferro element in aluminium liquid, is convenient to the removing of aluminium slag and impurity, has realized that ferro-aluminum separates automatically, has alleviated workman's manipulation strength.
It should be noted that at last: above embodiment is only in order to the technical solution of the utility model to be described but not limit it, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.

Claims (10)

1. a secondary aluminum melts the ferro-aluminum parting furnace automatically, it is characterized in that, comprising:
Body of heater, described body of heater are smelting furnace and the smelting furnace that is interconnected;
Be positioned at the burner of described smelting furnace inside;
Be used for the swivel arrangement of tumbling that described body of heater is tumbled and rotated.
2. secondary aluminum according to claim 1 melts the ferro-aluminum parting furnace automatically, it is characterized in that:
There are potential difference in described smelting furnace and described smelting furnace, and the bottom of described smelting furnace is higher than the bottom of described smelting furnace.
3. secondary aluminum according to claim 2 melts the ferro-aluminum parting furnace automatically, it is characterized in that:
Described smelting furnace and described smelting furnace are communicated with by connecting passage, and described connecting passage is located at described smelting furnace bottom.
4. secondary aluminum according to claim 3 melts the ferro-aluminum parting furnace automatically, it is characterized in that:
The volume of described smelting furnace is not more than the volume of described smelting furnace.
5. secondary aluminum according to claim 4 melts the ferro-aluminum parting furnace automatically, it is characterized in that:
The fire door of described smelting furnace and described smelting furnace all adopts the four connecting rods device that is fixed and clamped to be fixed on the described body of heater.
6. secondary aluminum according to claim 5 melts the ferro-aluminum parting furnace automatically, it is characterized in that:
Be equipped with furnace door lifting device on the fire door of described smelting furnace and described smelting furnace.
7. secondary aluminum according to claim 6 melts the ferro-aluminum parting furnace automatically, it is characterized in that:
Described furnace door lifting device is fixed on the described body of heater, and described furnace door lifting device is connected with described fire door with the lifting guide wheel by lifting chain.
8. secondary aluminum according to claim 7 melts the ferro-aluminum parting furnace automatically, it is characterized in that, the described swivel arrangement of tumbling comprises:
Be positioned at the rotating supporting device of tumbling of described bottom of furnace body;
Reducing motor;
The rotation guide wheel of tumbling;
The rotary-chain of tumbling, described chain one end of tumbling is fixed on the described reducing motor, and the other end is fixed in described bottom of furnace body by the described rotation guide wheel of tumbling.
9. secondary aluminum according to claim 8 melts the ferro-aluminum parting furnace automatically, it is characterized in that:
Described smelting furnace is provided with the recycling residual heat system.
10. secondary aluminum according to claim 9 melts the ferro-aluminum parting furnace automatically, it is characterized in that:
Also be provided with fume exhaust system on the described smelting furnace.
CN2012205357011U 2012-10-19 2012-10-19 Aluminum-iron separating furnace with function of automatically melting recycled aluminum Withdrawn - After Issue CN202830117U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103045867A (en) * 2012-10-19 2013-04-17 保定安保能冶金设备有限公司 Automatic melting ferro-aluminium chamber furnace of recycled aluminium
CN105603212A (en) * 2014-11-19 2016-05-25 保定安保能冶金设备有限公司 Recycled aluminum waste gas circulation purification system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103045867A (en) * 2012-10-19 2013-04-17 保定安保能冶金设备有限公司 Automatic melting ferro-aluminium chamber furnace of recycled aluminium
CN103045867B (en) * 2012-10-19 2015-12-16 保定安保能冶金设备有限公司 Secondary aluminum melts ferro-aluminum parting furnace automatically
CN105603212A (en) * 2014-11-19 2016-05-25 保定安保能冶金设备有限公司 Recycled aluminum waste gas circulation purification system

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AV01 Patent right actively abandoned

Granted publication date: 20130327

Effective date of abandoning: 20151216

C25 Abandonment of patent right or utility model to avoid double patenting