CN1166389A - Waste aluminium recovering technology for aluminium alloy section - Google Patents
Waste aluminium recovering technology for aluminium alloy section Download PDFInfo
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- CN1166389A CN1166389A CN96107911A CN96107911A CN1166389A CN 1166389 A CN1166389 A CN 1166389A CN 96107911 A CN96107911 A CN 96107911A CN 96107911 A CN96107911 A CN 96107911A CN 1166389 A CN1166389 A CN 1166389A
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- mould
- aluminium alloy
- aluminium
- hydraulic press
- waste
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The waste aluminium recovering process includes alkaline washing of aluminium alloy mould in alkaline washing bath until 10% of waste aluminium is etched, withdrawing mould from alkaline washing bath, separation and water washing of upper and lower mould, alkaline washing of upper mould for about 2 hr, and withdrawing aluminium alloy in upper mould through extrusion in oil press. The said process has short alkaline washing period, high working efficiency, less alkali consumption and environment pollution and can recover 80% aluminium alloy.
Description
The invention belongs to the recovery technology of the tap hole and the indoor aluminium alloy of seam thereof of aluminium section die, be specifically related to a kind of waste aluminium recovering technology for aluminium alloy section.
The production process of existing aluminium section bar is mostly: new mould → die trial → alkali cleaning → correction → die trial → alkali cleaning → production → alkali cleaning → production → ... → alkali cleaning → scrap until mould.The characteristics of this process are by caustic washing method the tap hole and the indoor corrosion of aluminium alloy of seam thereof of mould to be discharged.Obviously, this method, it is long to handle the required alkali cleaning time of aluminium alloy residual in the mould, also needs a large amount of caustic soda and aluminium alloy to react, and has both wasted a large amount of caustic soda, and a large amount of aluminium alloys also can not get recovery, but also contaminated environment.
The object of the present invention is to provide the waste aluminium recovering technology for aluminium alloy section that a kind of alkali cleaning time is short, quantity of alkali consumption is little, the aluminium scrap rate of recovery is high.
Waste aluminium recovering technology for aluminium alloy section of the present invention, it is characterized in that the mould that mould holder is had aluminium alloy places the alkaline bath alkali cleaning, treat that the aluminium scrap in the mould is fallen at about 10% o'clock by caustic corrosion, the fixed aluminium alloy erosion around band of mould is washed off, so that upper and lower mould separates; Mould is sling from alkaline bath, separated upper and lower mould, water flushing counterdie moves back to the mould chamber and revises stand-by; Patrix placed the alkaline bath alkali cleaning about 2 hours again, when the indoor aluminium alloy of seam breaks away from mould substantially by alkali cleaning, mould tongue core is downward, place on the mould rack of hydraulic press, start hydraulic press, the special pole of hydraulic press is aimed at the upper die mold hole and is pressed down, and the scrap aluminium alloy in the die hole is forced out and falls to discharging opening.
The equipment that punching press among the present invention is used is continued to use the basic structure of existing hydraulic press, change slightly, promptly can be used for scrap aluminium alloy of the present invention and reclaim technology, mainly establish a die-cushion that can move horizontally, in the oil cylinder of hydraulic press, establish the special pole of the scrap aluminium alloy in the punching mold hole in the bottom of hydraulic press.
The present invention has reduced a large amount of alkali cleaning time owing to adopt alkali cleaning to reclaim aluminium alloy in the mould in conjunction with the method for forcing press roof pressure, has improved operating efficiency greatly, and has saved a large amount of alkali, and 80% aluminium alloy is reclaimed.Not only bring good economic benefits, and avoided environmental pollution.
Below in conjunction with accompanying drawing waste aluminium recovering technology for aluminium alloy section of the present invention is described further;
Fig. 1 is the structural representation of the used forcing press of the present invention.
As shown in Figure 1, hydraulic press of the present invention, main structure is: on a support 2 die-cushion 3 is set, in a side of die-cushion 3 adjusting screw(rod) 9 that is used to regulate die-cushion 3 horizontal levels is set, divide into the fuel tank 1 that hydraulic press is used at support, and the discharging opening 5 of a material under the punching press is arranged, and above support, connect the oil cylinder 7 of hydraulic presses by screw rod 6, in cylinder body, establish a punch die special pole 8.
The mould that mould 4 is entrained with aluminium alloy places the alkaline bath alkali cleaning, treats that the aluminium scrap in the mould is fallen at about 10% o'clock by caustic corrosion, and the fixed aluminium alloy erosion around band of mould is washed off, so that upper and lower mould separates; Mould is sling from alkaline bath, separated upper and lower mould, water flushing counterdie moves back to the mould chamber and revises stand-by; Patrix placed the alkaline bath alkali cleaning about 2 hours again, when the indoor aluminium alloy of seam breaks away from mould substantially by alkali cleaning, the tongue core 4-1 of mould 4 is downward, place on the mould rack 2 of hydraulic press, start hydraulic press, the punch die special pole 8 of hydraulic press is aimed at upper die mold hole 4-2 and is pressed down, and the scrap aluminium alloy in the die hole is forced out and falls to discharging opening 5.When practical operation, can make the die hole that has aluminium alloy aim at the special pole 8 of forcing press by regulating the adjusting screw(rod) 9 on the hydraulic press or the position on mould rack of moving moulds, punching press one by one, the scrap aluminium alloy in all die holes all extrudes.
Claims (1)
- A kind of waste aluminium recovering technology for aluminium alloy section, it is characterized in that the mould that mould holder is had aluminium alloy places the alkaline bath alkali cleaning, treat that the aluminium scrap in the mould is fallen at about 10% o'clock by caustic corrosion, mould is sling from alkaline bath, separate upper and lower mould, water flushing counterdie moves back to the mould chamber and revises stand-by; Patrix 4 places the alkaline bath alkali cleaning after about 2 hours again, and 4-1 is downward for the tongue core, places on the mould rack 2 of hydraulic press, starts hydraulic press, and the special pole 8 of hydraulic press is aimed at upper die mold hole 4-2 and pressed down, and the aluminium alloy in the nib 4-2 is forced out, and falls to discharging opening 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96107911A CN1166389A (en) | 1996-05-28 | 1996-05-28 | Waste aluminium recovering technology for aluminium alloy section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96107911A CN1166389A (en) | 1996-05-28 | 1996-05-28 | Waste aluminium recovering technology for aluminium alloy section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1166389A true CN1166389A (en) | 1997-12-03 |
Family
ID=5119824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96107911A Pending CN1166389A (en) | 1996-05-28 | 1996-05-28 | Waste aluminium recovering technology for aluminium alloy section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1166389A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462156C (en) * | 2007-02-14 | 2009-02-18 | 佛山市禅城区南庄兴顺模具厂 | Mould testing method for aluminium alloy section bar |
| CN102389909A (en) * | 2011-11-24 | 2012-03-28 | 南南铝业股份有限公司 | Method and equipment for separating aluminum and aluminum alloy from extrusion mold by alkali washing |
| CN104226719A (en) * | 2014-09-08 | 2014-12-24 | 南南铝业股份有限公司 | Aluminum alloy extrusion die washing method and device |
| CN105834241A (en) * | 2016-05-31 | 2016-08-10 | 东莞市闻誉实业有限公司 | Aluminum scrap demolding device of aluminum profile extrusion mold |
| CN107986308A (en) * | 2017-12-29 | 2018-05-04 | 佛山市三水雄鹰铝表面技术创新中心有限公司 | A kind of workshop system and technique for stewing mould liquid production aluminium hydroxide |
-
1996
- 1996-05-28 CN CN96107911A patent/CN1166389A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462156C (en) * | 2007-02-14 | 2009-02-18 | 佛山市禅城区南庄兴顺模具厂 | Mould testing method for aluminium alloy section bar |
| CN102389909A (en) * | 2011-11-24 | 2012-03-28 | 南南铝业股份有限公司 | Method and equipment for separating aluminum and aluminum alloy from extrusion mold by alkali washing |
| CN102389909B (en) * | 2011-11-24 | 2014-06-04 | 南南铝业股份有限公司 | Method and equipment for separating aluminum and aluminum alloy from extrusion mold by alkali washing |
| CN104226719A (en) * | 2014-09-08 | 2014-12-24 | 南南铝业股份有限公司 | Aluminum alloy extrusion die washing method and device |
| CN105834241A (en) * | 2016-05-31 | 2016-08-10 | 东莞市闻誉实业有限公司 | Aluminum scrap demolding device of aluminum profile extrusion mold |
| CN107986308A (en) * | 2017-12-29 | 2018-05-04 | 佛山市三水雄鹰铝表面技术创新中心有限公司 | A kind of workshop system and technique for stewing mould liquid production aluminium hydroxide |
| CN107986308B (en) * | 2017-12-29 | 2019-10-01 | 佛山市三水雄鹰铝表面技术创新中心有限公司 | A kind of workshop system and technique stewing mould liquid production aluminium hydroxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |