CN219964306U - Tubular filter box with degassing function and inert gas atmosphere - Google Patents
Tubular filter box with degassing function and inert gas atmosphere Download PDFInfo
- Publication number
- CN219964306U CN219964306U CN202321250411.7U CN202321250411U CN219964306U CN 219964306 U CN219964306 U CN 219964306U CN 202321250411 U CN202321250411 U CN 202321250411U CN 219964306 U CN219964306 U CN 219964306U
- Authority
- CN
- China
- Prior art keywords
- box body
- inert gas
- air
- box
- tubular filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011261 inert gas Substances 0.000 title claims abstract description 35
- 238000007872 degassing Methods 0.000 title claims abstract description 20
- 239000011449 brick Substances 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 19
- 210000003437 trachea Anatomy 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 44
- 229910052782 aluminium Inorganic materials 0.000 abstract description 44
- 239000007788 liquid Substances 0.000 abstract description 31
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000001257 hydrogen Substances 0.000 abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 7
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 238000010926 purge Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a tubular filter box with a degassing function and inert gas atmosphere, which relates to the technical field of molten aluminum or aluminum alloy solution treatment equipment, and is technically characterized in that: the box comprises a box body, wherein the top of the box body is provided with an opening and is provided with an upper cover in a sealing manner; the opposite side walls of the box body are respectively provided with a box body inlet and a box body outlet; the inner side wall of the box body is provided with a lining, a connecting part of the lining and the bottom of the box body is provided with a mounting hole with taper, and an air brick and an air assembly are arranged in the mounting hole; the bottom of the air brick is connected with the air permeable assembly; an inert gas pipeline is arranged at the bottom of the box body and is connected with the ventilation assembly; the bottom of the box body is provided with a filter tube group, and the filter tube group is positioned right above the mounting hole. The filter box utilizes inert gas to purge the filter tube group, thereby reducing the hydrogen content in the aluminum liquid, prolonging the service life of the filter tube group, homogenizing the aluminum liquid temperature and alloy components of the box body and reducing the generation of oxides.
Description
Technical Field
The utility model relates to the technical field of molten aluminum or aluminum alloy solution treatment equipment, in particular to a tubular filter box with a degassing function and an inert gas atmosphere.
Background
The tubular filter box is used as a filtering mode of the final end of the aluminum or aluminum alloy casting line, so that impurities in the aluminum liquid are effectively filtered, and the quality of the aluminum liquid is improved. The traditional tubular filter box only has a filtering function, and lacks of degassing and refining treatment on the aluminum liquid, so that the high hydrogen content of the aluminum liquid is easily caused, and the quality of the aluminum liquid is influenced. At present, in the field of aluminum or aluminum alloy purification treatment, air bricks are also applied to equipment such as a heat preservation furnace, a smelting furnace, a degassing box, a plate type filter box, a launder and the like, but the air bricks are not applied to a tubular filter box at present.
A plurality of air bricks are arranged at the bottom of the tubular filter box, and inert gas (N 2 Ar, etc.) is blown into the aluminum or aluminum alloy melt to perform degassing treatment, thereby reducing hydrogen in the aluminum melt. And the tube type filter box is filled with inert gas, so that the aluminum liquid in the box body is disturbed up and down, and the effect of uniform furnace temperature and components can be achieved. According to the filtering principle of the tubular filter box, when the aluminum liquid flows through the porous filter tube group, the filter tube group removes solid particle impurities from the aluminum liquid. Most of the intercepted impurities are accumulated on the surface of the filter tube group, so that the filter effect of the filter tube group is invalid.
In addition, the inlet and outlet of the traditional tubular filter box are open spaces, and the aluminum liquid reacts with oxygen in the air to generate an aluminum oxide film, and reacts with water vapor in the air to generate hydrogen, oxide and the like. These aluminum oxide films, hydrogen and oxides are mixed in the aluminum liquid, so that the quality of the product is deteriorated.
Disclosure of Invention
The utility model aims to provide a tubular filter box with a degassing function and an inert gas atmosphere, which utilizes inert gas to purge a filter tube group, thereby reducing the hydrogen content in aluminum liquid, prolonging the service life of the filter tube group, homogenizing the temperature and alloy components of the aluminum liquid of the box body and reducing the generation of oxides.
The technical aim of the utility model is realized by the following technical scheme: the tubular filter box with the degassing function and the inert gas atmosphere comprises a box body, wherein an upper cover is arranged at the top opening of the box body in a sealing manner; the opposite side walls of the box body are respectively provided with a box body inlet and a box body outlet; the inner side wall of the box body is provided with a lining, a connecting part of the lining and the bottom of the box body is provided with a mounting hole with taper, and an air brick and an air assembly are arranged in the mounting hole; the bottom of the air brick is connected with the air permeable assembly; an inert gas pipeline is arranged at the bottom of the box body and is connected with the ventilation assembly; the bottom of the box body is provided with a filter tube group, and the filter tube group is positioned right above the mounting hole.
The utility model is further provided with: the box inlet and the box outlet are respectively provided with a vertical inlet baffle and a vertical outlet baffle, and the bottoms of the inlet baffle and the outlet baffle are lower than the bottoms of the box inlet and the box outlet by 50-80mm.
The utility model is further provided with: the top of upper cover inlays and is equipped with the trachea, tracheal end of giving vent to anger is located the upper cover inboard.
The utility model is further provided with: and a plurality of sealing ropes are sleeved on the upper cover.
The utility model is further provided with: the ceramic fiber paper is stuck on the air brick, and the surface of the ceramic fiber paper far away from the air brick is contacted with the air assembly.
The utility model is further provided with: the air brick top plate, the air brick cushion block I, the ceramic fiber blanket II, the air brick cushion block II and the ceramic fiber blanket III are sequentially arranged along the height direction; the top plate of the air brick is contacted with the ceramic fiber paper; the bottom of the box body is provided with an air brick pressing plate at the position of the mounting hole, and the air brick pressing plate is connected with the bottom of the box body by bolts to tightly prop up the air brick.
In summary, the utility model has the following beneficial effects:
1. a plurality of air bricks are arranged at the bottom of the tubular filter box body, inert gas is blown to the aluminum liquid and the filter tube group of the tubular filter box body through the air bricks, so that the aluminum liquid is subjected to degassing and refining treatment, the service life of the filter tube group is prolonged, and the temperature and alloy components of the aluminum liquid of the box body can be uniform;
2. a plurality of high-temperature-resistant sealing ropes are circumferentially arranged at the bottom of the upper cover of the tubular filter box, a baffle is respectively arranged at the inlet and the outlet of the tubular filter box, and the bottom of the baffle is lower than the bottom of the inlet and the outlet of the box body, so that a closed space is formed between the upper cover and the box body of the tubular filter box;
3. when the tubular filter box is used for filtering, inert gas is introduced into the closed space, an inert gas atmosphere is formed above molten aluminum or aluminum alloy solution, and the chance that oxygen contacts with aluminum liquid above the aluminum liquid is reduced, so that the generation of oxides of the aluminum liquid is reduced, and the quality of the aluminum liquid is improved.
Drawings
FIG. 1 is a sectional view showing the structure of a tube type filter tank with a degassing function and an inert gas atmosphere in an embodiment of the present utility model;
FIG. 2 is a partial schematic view of an air brick installation in accordance with an embodiment of the present utility model;
fig. 3 is an enlarged view at a in fig. 2.
In the figure: 1. an upper cover; 2. a case; 3. a filter tube group; 4. a box inlet; 5. an inlet baffle; 6. a box outlet; 7. an outlet baffle; 8. an air brick; 9. an inert gas line; 10. an air pipe; 11. a sealing rope; 12. a lining; 13. a nut; 14. high-temperature cement; 15. ceramic fiber blanket I; 16. ceramic fiber paper; 17. a top plate of the air brick; 18. a cushion block I of an air brick; 19. ceramic fiber blanket II; 20. a cushion block II of the air brick; 21. ceramic fiber blanket III; 22. a ventilation brick pressing plate; 23. a jack bolt; 24. and (5) mounting holes.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
Examples: the tubular filter box with the degassing function and inert gas atmosphere is shown in fig. 1 and 2, and comprises a box body 2, wherein a plurality of air bricks 8 are arranged at the bottom of the box body 2, inert gas is blown to the aluminum liquid of the box body 2 of the tubular filter box and the filter tube group 3 through the air bricks 8, so that the aluminum liquid is subjected to degassing refining treatment, the service life of the filter tube group 3 is prolonged, and the temperature and alloy composition of the aluminum liquid of the box body 2 can be uniform; a plurality of high-temperature-resistant sealing ropes 11 are circumferentially arranged at the bottom of the upper cover 1, a baffle is respectively arranged at the inlet and the outlet of the box body 2, and the bottom of the baffle is lower than the bottom of the inlet and the outlet of the box body 2, so that a closed space is formed between the upper cover 1 and the box body 2 of the tubular filter box. When the tube type filter box filters, inert gas is introduced into the closed space, an inert gas fragrance is formed above molten aluminum or aluminum alloy solution, and the chance of contact between oxygen and aluminum liquid is reduced, so that the generation of oxides of the aluminum liquid is reduced, and the quality of the aluminum liquid is improved.
In this embodiment, the tubular filter box is mainly composed of an upper cover 1, a box body 2 and a filter tube group 3, wherein the filter tube group 3 is installed in the box body 2, molten aluminum or aluminum alloy solution flows in from an inlet of the box body 2, is filtered by a filter tube in the filter tube group 3, and flows out from an outlet of the box body 2, thereby completing the filtering treatment.
In this embodiment, the bottom of the box 2 is provided with a plurality of air bricks 8, the air bricks 8 are uniformly distributed at the bottom of the filter tube group 3, and the air bricks 8 are located at a position right below the filter tube group 3, so that the inert gas sweeps the filter tube group 3. The inert gas carries out degassing refining treatment on the aluminum liquid in the box body 2 through an inert gas pipeline 9 and an air brick 8 and sweeps the filter tube group 3, so that the hydrogen content in the aluminum liquid is reduced, the service life of the filter tube group 3 is prolonged, and the temperature and alloy composition of the aluminum liquid in the box body 2 are uniform.
In order to prevent aluminum liquid from penetrating out of the box body 2, a plurality of mounting holes 24 with taper are prefabricated in the refractory lining 12 in the tubular filter box, the air brick 8 is also provided with taper of 9-10 degrees, the taper is matched with each other to achieve the sealing effect, firstly, the lower part of the air brick 8 is wrapped with a layer of ceramic fiber paper 16 (the thickness is 5-10 mm), and the air brick is tightly stuck by glue; then, the air brick assemblies provided with the air brick top plate 17, the air brick cushion block I18, the ceramic fiber blanket II 19 and the air brick cushion block II 20 are arranged in the mounting holes 24, and in the embodiment, the air brick cushion block I18 and the air brick cushion block II 20 are processed by heat insulation plates; in this embodiment, it should be noted that the air brick 8 is not pressed against the air brick 8 by the pressing bolt 23, and should be in a relaxed state, and the air brick pressing plate 22 is fastened with the iron shell of the box body 2 by the screw; then, tightening the jacking bolts 23 of the air bricks 8, wherein after the air bricks 8 are jacked, the upper top surfaces of the air bricks 8 are 0.5mm to 1mm higher than the inner surface of the liner 12 of the box body 2; in this embodiment, the air brick pressing plate 22 and the air brick 8 pressing bolts 23 are machined from Q235A or 45# steel, and the number of the air brick 8 pressing bolts 23 is 2-4. It should be noted that if the air brick 8 is lower or higher than the inner surface of the liner 12 by too much, the thickness of the ceramic fiber paper 16 wrapped on the lower part of the air brick 8 is adjusted; finally, after the air brick 8 is tightly propped, the locking nut 13 is locked, the step of the upper part of the air brick 8 is plugged by a ceramic fiber blanket 15, and then high-temperature cement 14 is smeared.
In this embodiment, in order to make the box body 2 of the tubular filter box form a sealed inert gas atmosphere, a plurality of sealing ropes 11 are circumferentially installed at the bottom edge of the upper cover 1, the cross section of each sealing rope 11 is circular or rectangular, and the material is ceramic fiber circular knitting ropes or heat insulation cotton, so that the strength can be maintained under the working condition of high temperature. The sealing rope 11 protrudes out of the bottom of the upper cover 1, and the upper surface of the case 2 is flat, so that the sealing rope 11 is pressed on the upper surface of the case 2 by the weight of the upper cover 1, thereby playing a sealing role. In addition, an inlet baffle plate 5 and an outlet baffle plate 7 are respectively arranged at the inlet of the box body 2 and the outlet of the box body 2, and the inlet baffle plate 5 and the outlet baffle plate 7 are formed by processing a heat insulation plate or pouring refractory materials; the bottoms of the inlet baffle plate 5 and the outlet baffle plate 7 are 50-80mm lower than the bottoms of the inlet of the box body 2 and the outlet of the box body 2, and molten aluminum or aluminum alloy solution flows into and out of the inlet of the box body 2 and the outlet of the box body 2 of the tubular filter box in a submerged flow mode, so that a closed space is formed in the box body 2. Due to the high temperature condition of the upper cover 1, the air pipe 10 is arranged on the upper cover 1 after being processed or cast by a heat insulation plate. When the tubular filter box works, inert gas is introduced into the sealed space through the gas pipe 10, an inert gas atmosphere is formed above molten aluminum, the chance of contact between oxygen and the aluminum is reduced, the generation of oxides and hydrogen is reduced, and the quality of the aluminum is improved.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (6)
1. A tubular filter box with degassing function and inert gas atmosphere is characterized in that: the novel box comprises a box body (2), wherein the top of the box body (2) is provided with an opening and is provided with an upper cover (1) in a sealing manner; the opposite side walls of the box body (2) are respectively provided with a box body inlet (4) and a box body outlet (6); the inner side wall of the box body (2) is provided with a lining (12), a connecting part of the lining (12) and the bottom of the box body (2) is provided with a mounting hole with taper, and an air brick (8) and an air assembly are arranged in the mounting hole (24); the bottom of the air brick (8) is connected with the air assembly; an inert gas pipeline (9) is arranged at the bottom of the box body (2), and the inert gas pipeline (9) is connected with the ventilation assembly; the bottom of the box body (2) is provided with a filter tube group (3), and the filter tube group (3) is positioned right above the mounting hole (24).
2. The tubular filter tank with degassing function and inert gas atmosphere according to claim 1, characterized in that: the box body inlet (4) and the box body outlet (6) are respectively provided with a vertical inlet baffle (5) and an outlet baffle (7), and the bottoms of the inlet baffle (5) and the outlet baffle (7) are lower than the bottoms of the box body inlet (4) and the box body outlet (6) by 50-80mm.
3. The tubular filter tank with degassing function and inert gas atmosphere according to claim 1, characterized in that: the top of upper cover (1) is inlayed and is equipped with trachea (10), the end of giving vent to anger of trachea (10) is located upper cover (1) inboard.
4. The tubular filter tank with degassing function and inert gas atmosphere according to claim 1, characterized in that: the upper cover (1) is sleeved with a plurality of sealing ropes (11).
5. The tubular filter tank with degassing function and inert gas atmosphere according to claim 1, characterized in that: the ceramic fiber paper (16) is stuck on the air brick (8), and the surface of the ceramic fiber paper (16) far away from the air brick (8) is contacted with the air assembly.
6. The tubular filter tank with degassing function and inert gas atmosphere according to claim 5, characterized in that: the air permeable assembly comprises an air permeable brick top plate (17), an air permeable brick cushion block I (18), a ceramic fiber blanket II (19), an air permeable brick cushion block II (20) and a ceramic fiber blanket III (21) which are sequentially installed along the height direction; the top plate of the air brick (8) is contacted with the ceramic fiber paper (16); the bottom of the box body (2) is provided with an air brick pressing plate (22) at the position of the mounting hole, and the air brick pressing plate (22) is connected with the bottom of the box body (2) by bolts to tightly prop up the air brick (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250411.7U CN219964306U (en) | 2023-05-23 | 2023-05-23 | Tubular filter box with degassing function and inert gas atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321250411.7U CN219964306U (en) | 2023-05-23 | 2023-05-23 | Tubular filter box with degassing function and inert gas atmosphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219964306U true CN219964306U (en) | 2023-11-07 |
Family
ID=88578393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321250411.7U Active CN219964306U (en) | 2023-05-23 | 2023-05-23 | Tubular filter box with degassing function and inert gas atmosphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219964306U (en) |
-
2023
- 2023-05-23 CN CN202321250411.7U patent/CN219964306U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101781712B (en) | Runner type online degassing device | |
| CN109487037B (en) | High-purity manganese 13 high-manganese steel | |
| CN219964306U (en) | Tubular filter box with degassing function and inert gas atmosphere | |
| CN108588438B (en) | Metal smelting method and smelting furnace | |
| WO2020029439A1 (en) | Breathable plug for ventilation and mixing at furnace bottom of smelting furnace, and metal smelting furnace | |
| CN217025359U (en) | Ladle device for blowing air outside silicon furnace | |
| CA2015364C (en) | Arrangement for gas collection in aluminium reduction cells | |
| CN103397198A (en) | Oxygen-rich reduction furnace for processing low-grade multi-metal material | |
| CN204494418U (en) | A kind of for the intercommunicating device in refuse burning system | |
| CN210089395U (en) | Water-cooled furnace cover of submerged arc furnace | |
| CN210215437U (en) | Split type air brick | |
| CN109504821B (en) | Method for reducing oxygen and hydrogen contents of high manganese steel | |
| CN220317918U (en) | Nitrogen flushing device for casting copper water ladle | |
| CN216729530U (en) | Silicon plug type bottom blowing structure for discharging silicon metal | |
| CN206803735U (en) | A kind of lifting type medium frequency furnace with purifier | |
| CN110656256A (en) | Aluminum casting machining process | |
| CN219784386U (en) | Corrosion-resistant high-temperature-resistant gas mixing box | |
| CN214650798U (en) | Sulfuric acid buffer tank that unloads | |
| CA1196196A (en) | Method of stirring molten metal refractory cylinder for the purpose | |
| CN109868334A (en) | A kind of dismounting of blast furnace bustle pipe suspender and method for dismounting | |
| CN215217150U (en) | High-efficiency low-consumption silicomanganese furnace | |
| CN214275329U (en) | High-efficient lighter hydrocarbons gasification equipment | |
| CN216729532U (en) | Silicon metal tapping and refining silicon ladle integral lining structure | |
| CN217131832U (en) | Metal shell for joule furnace | |
| CN215177017U (en) | High heat preservation intermediate frequency steel shell stove that insulates against heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |