CN2698809Y - Aluminium pad refining and degassing unit - Google Patents
Aluminium pad refining and degassing unit Download PDFInfo
- Publication number
- CN2698809Y CN2698809Y CN 200420040491 CN200420040491U CN2698809Y CN 2698809 Y CN2698809 Y CN 2698809Y CN 200420040491 CN200420040491 CN 200420040491 CN 200420040491 U CN200420040491 U CN 200420040491U CN 2698809 Y CN2698809 Y CN 2698809Y
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- CN
- China
- Prior art keywords
- refining
- aluminium liquid
- air
- degassing unit
- storage chamber
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Abstract
The utility model belongs to the nonferrous metal smelting technology and relates to an aluminium pad refining and degassing unit which can effectively remove the air and the impurity existing in the aluminum liquid. The aluminium pad refining and degassing unit is composed of a hollow plate and an air inlet pipe path. The hollow plate is connected with the air inlet pipe path. The hollow plate is provided with an air storage chamber. The air outlet holes which are closely distributed and are communicated with the air storage chamber are arranged on the upper surface and the side face of the hollow plate. The cross section of each air outlet hole is not bigger than 25 sq mm. Not less than 20 air outlet holes are distributed on each 100 sq mm. The aluminium pad refining and degassing unit can effectively remove the air and the impurity existing in the aluminum liquid. The aluminium pad refining and degassing unit does not pollute the environment or harm the health of the operator.
Description
Affiliated technical field
The utility model belongs to the non-ferrous metal metallurgy technology, particularly relates to a kind ofly effectively removing the gas that exists in the aluminium liquid and the aluminium liquid refining degasifying device of inclusion
Background technology
Aluminium and alloy thereof deposit and fusion process in can and ambiance in steam react and produce air-breathing and oxidation, cause to have a considerable amount of gases and inclusion in the aluminium liquid, reduced the quality of aluminium liquid, make its subsequent product occur waste product easily.Therefore, must carry out refining treatment to aluminium liquid, effectively remove the gas and the inclusion that exist in the aluminium liquid in the fusion process later stage.At present, the refining degasification method of aluminium liquid has multiple mode, and the most frequently used method has refining gas single tube insufflation, adds refining flux method and refining gas+flux associating single tube insufflation etc.The used degasifying device of its single tube insufflation is a straight-through steel pipe, with the straight-through steel pipe inertia refining gas (N that aluminium liquid reacts that will get along well
2Or Ar) be blown into aluminium liquid, the bubble that the refinery gas body forms floats to aluminium liquid surface with certain speed, will be adsorbed when being present in the refining bubble that gas in the aluminium liquid and inclusion touch come-up and floats to aluminium liquid surface together and overflow.Adding the used degasifying device of refining flux method is a steel bell jar, with the steel bell jar with block refining flux (as C
2Cl
6Deng) being pressed into aluminium liquid inside, refining flux will react with aluminium liquid and generate Cl
2, AlCl
3In the refining bubble, these refining bubbles in floating-upward process with the gas that exists in the Al adsorption liquid and inclusion and float to aluminium liquid surface together.Therefore, refining bubble quantity and bubble, specific surface area and ascent rate are the principal elements of decision refining degassing effect.The refining bubble volume that the single tube insufflation blows out is big, quantity is few, specific surface area is little, lift velocity is fast, and refining gas is few with the chance that aluminium liquid contacts, and the gas waste is big, and outgassing rate is low.Also can cause too rolling of aluminium liquid simultaneously, strengthen the chance of the air-breathing and oxidation of aluminium liquid.Following two shortcomings of these refining degasification method ubiquities commonly used: 1. degassing efficiency is low, does not reach the effect of gas and inclusion in effective removal aluminium liquid.2. refining flux is (as C
2Cl
6Deng) and aluminium liquid reaction generation toxic gas (Cl
2, AlCl
3), the infringement operator's is healthy, corrodes peripheral plant and instrument, contaminate environment.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned refining outgas technique, provide a kind of and can effectively remove gas and the inclusion that exists in the aluminium liquid, do not generate toxic gas again, it is healthy not damage the operator, the aluminium liquid refining degasifying device of environmentally safe.
The utility model is realized in the following manner:
Aluminium liquid refining degasifying device, comprise admission passage, it is characterized in that: further comprising hollow sheeting, hollow sheeting is connected with admission passage, hollow sheeting is provided with an air storage chamber, upper surface and side at hollow sheeting have the aperture of giving vent to anger that communicates with air storage chamber, and the area of section of each aperture of giving vent to anger is not more than 25 square millimeters, is no less than 20 apertures of giving vent to anger on per 100 square centimeters area.
Above-mentioned aluminium liquid refining degasifying device is characterized in that: have that at least one above-below direction connects on the hollow sheeting and with the mutual disconnected through hole of air storage chamber, its effect is to be convenient to device to immerse aluminium liquid.
During use this device immersed aluminium liquid inside, refining gas (N
2Or Ar) be blown into air storage chamber from inlet mouth, the aperture of giving vent to anger that distributes from solid matter blows out again.So just making originally, zooming single big refining bubble has become a lot of little refining bubbles, number of bubbles increases by tens times even hundreds of times, specific surface area increases substantially, the disperse in aluminium liquid of countless little refining bubbles distributes and slow come-up, increased the chance that contacts with aluminium liquid greatly, improve degassing efficiency, thereby obtained good refining degassing effect.
The beneficial effects of the utility model are: 1. can effectively remove gas and the inclusion that exists in the aluminium liquid.2. can effectively avoid too seething of aluminium liquid, reduce the further air-breathing oxidation of aluminium liquid.3. do not generate toxic gas, environmentally safe, do not damage the healthy of operator, prolong the work-ing life of peripheral plant and instrument.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the structural representation of the utility model embodiment two.
Fig. 4 is that the B of Fig. 3 is to view.
Among the figure, 1. hollow sheeting 2. air storage chambers 3. aperture 4. inlet mouths 5. admission passages 6. through holes of giving vent to anger
Embodiment
Provide two most preferred embodiments of the present utility model below in conjunction with accompanying drawing.
Embodiment one
As shown in Figure 1, the upper surface of hollow sheeting 1 is connected with admission passage 5, and the junction should be firmly, sealing, and gas leakage must not be arranged.Hollow sheeting 1 is provided with an air storage chamber 2.Distribute and the aperture 3 of giving vent to anger (circular hole, square hole, profile hole) that communicate with air storage chamber 2 of solid matter is left in upper surface and side at hollow sheeting, the area of section of each aperture of giving vent to anger is not more than 25 square millimeters, is no less than 20 apertures 3 of giving vent to anger on per 100 square centimeters area.Have that at least one above-below direction connects on the hollow sheeting 1 and with air storage chamber 2 mutual disconnected through holes 6.Feed refining gas (N from inlet mouth 4
2Or Ar etc.), then this device being immersed aluminium liquid inside, refining gas will blow out and enter aluminium liquid from the aperture 3 of giving vent to anger that solid matter distributes.
Embodiment two
As shown in Figure 3, the side of hollow sheeting 1 is connected with admission passage 5.Hollow sheeting 1 is provided with an air storage chamber 2.Distribute and the aperture 3 of giving vent to anger (circular hole, square hole, profile hole) that communicate with air storage chamber 2 of solid matter is left in upper surface and side at hollow sheeting, the area of section of each aperture of giving vent to anger is not more than 25 square millimeters, is no less than 20 apertures of giving vent to anger on per 100 square centimeters area.Feed refining gas (N from inlet mouth 4
2Or Ar etc.), then this device being immersed aluminium liquid inside, refining gas will blow out and enter aluminium liquid from the aperture 3 of giving vent to anger that solid matter distributes.
Claims (2)
1, aluminium liquid refining degasifying device, comprise admission passage (5), it is characterized in that: further comprising hollow sheeting (1), hollow sheeting (1) is connected with admission passage (5), hollow sheeting (1) is provided with an air storage chamber (2), upper surface and side at hollow sheeting (1) have the aperture of giving vent to anger (3) that communicates with air storage chamber (2), and the area of section of each aperture of giving vent to anger is not more than 25 square millimeters, is no less than 20 apertures of giving vent to anger on per 100 square centimeters area.
2, aluminium liquid refining degasifying device according to claim 1 is characterized in that: have that at least one above-below direction connects on the hollow sheeting (1) and with the mutual disconnected through hole of air storage chamber (2) (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420040491 CN2698809Y (en) | 2004-05-20 | 2004-05-20 | Aluminium pad refining and degassing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420040491 CN2698809Y (en) | 2004-05-20 | 2004-05-20 | Aluminium pad refining and degassing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2698809Y true CN2698809Y (en) | 2005-05-11 |
Family
ID=34774328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420040491 Expired - Fee Related CN2698809Y (en) | 2004-05-20 | 2004-05-20 | Aluminium pad refining and degassing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2698809Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048244A (en) * | 2016-08-19 | 2016-10-26 | 天津津晨汽车缸盖有限公司 | Aluminum liquid degassing apparatus |
| CN110358928A (en) * | 2018-04-10 | 2019-10-22 | 无锡刚正精密吸铸有限公司 | Molten metal deaerator |
-
2004
- 2004-05-20 CN CN 200420040491 patent/CN2698809Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048244A (en) * | 2016-08-19 | 2016-10-26 | 天津津晨汽车缸盖有限公司 | Aluminum liquid degassing apparatus |
| CN110358928A (en) * | 2018-04-10 | 2019-10-22 | 无锡刚正精密吸铸有限公司 | Molten metal deaerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |