CN219709554U - Online degassing unit of aluminium fuse-element - Google Patents
Online degassing unit of aluminium fuse-element Download PDFInfo
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- CN219709554U CN219709554U CN202320904834.XU CN202320904834U CN219709554U CN 219709554 U CN219709554 U CN 219709554U CN 202320904834 U CN202320904834 U CN 202320904834U CN 219709554 U CN219709554 U CN 219709554U
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- chamber
- degassing
- buffer
- aluminum melt
- communicated
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- 238000007872 degassing Methods 0.000 title claims abstract description 90
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 47
- 239000004411 aluminium Substances 0.000 title description 3
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000274 aluminium melt Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 27
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 13
- 238000006356 dehydrogenation reaction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007921 spray Substances 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 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
- 238000004321 preservation Methods 0.000 description 1
Classifications
-
- 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 online degassing device for an aluminum melt, which belongs to the technical field of aluminum melt purification and comprises a primary degassing chamber, a buffer chamber, a secondary degassing chamber, a filtering chamber, a degassing rod and an auxiliary degassing device. The degassing rod, which rotates at high speed and sprays nitrogen, breaks up the larger bubbles of nitrogen into very fine small bubbles, which are uniformly dispersed in the aluminum melt. The vent holes of the auxiliary degassing device are arranged in pairs, the included angle between the vent holes is 60 degrees, two nitrogen beams ejected from the vent holes are guaranteed to meet and collide with the arc-shaped baffle plate, and spiral liquid flow is formed by means of the radian of the arc-shaped baffle plate, so that a large number of tiny bubbles are generated. The rotating degassing rod can also help tiny bubbles generated by the auxiliary degassing device to float and diffuse to the whole degassing chamber, so that a more ideal dehydrogenation effect is achieved.
Description
Technical Field
The utility model relates to the technical field of aluminum melt purification, in particular to an online degassing device for an aluminum melt.
Background
Hydrogen is the only gas dissolved in the aluminum melt in large quantities, its presence being a great hazard to the quality and performance of the aluminum material and must be removed prior to casting. The bubble floating method is the most common and effective method in the existing aluminum liquid dehydrogenation method. Specifically, nitrogen is introduced into the aluminum melt to form fine bubbles. And hydrogen dissolved in the aluminum melt is diffused into tiny bubbles through concentration difference and floats out of the surface of the aluminum melt along with the bubbles, so that the purpose of removing hydrogen in the aluminum liquid is achieved.
The existing aluminum melt dehydrogenation device has the following defects: 1. the dehydrogenation is carried out by adopting a single device such as a degassing rod generally, and the dehydrogenation effect is not ideal. 2. The flow path of the aluminum melt is long, heat is easy to dissipate, and a heat preservation heating device is added outside a pipeline to increase the cost. 3. Each degassing unit lacks a unified tail gas collecting device, so that the cost is increased and the environment is polluted.
Disclosure of Invention
The utility model mainly aims to provide an online degassing device for an aluminum melt, which is used for solving the problems of unsatisfactory degassing effect, easy heat dissipation of the aluminum melt and inconvenient tail gas treatment.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an online degassing unit of aluminium fuse-element, includes box, case lid, once deaeration chamber, buffer chamber, secondary deaeration chamber, filter chamber and degasification stick, all is equipped with the upper end in once deaeration chamber and the secondary degasification chamber and rotates the degasification stick of installing on the case lid, and the upper end intercommunication of degasification stick has air feeder, and the lower extreme is equipped with the stirring head that has the air guide mouth. The box body is divided into four areas of a primary deaeration chamber, a buffer chamber, a secondary deaeration chamber and a filter chamber on average, and a detachable box cover is sealed above the box body; the left and right inner walls of the primary deaeration chamber and the secondary deaeration chamber are respectively provided with an auxiliary deaeration device, and the auxiliary deaeration devices comprise an air supply branch pipe, a sealing plate, an air outlet hole, a connecting column and an arc-shaped baffle; the air supply branch pipe is arranged in the box body and is communicated with a cavity formed by the sealing plate and the inner wall of the box body; a horizontal connecting column is fixed on the sealing plate, and an arc-shaped baffle is fixed at the other end of the connecting column; the sealing plate is provided with an inclined air outlet hole which is correspondingly arranged with the arc-shaped baffle, and the air outlet hole faces the concave surface of the arc-shaped baffle.
Further, the air outlet holes are arranged in pairs, and the included angle between the air outlet holes is 60 degrees. The device is arranged to enable two nitrogen beams sprayed from the air outlet to be converged and collide with the arc-shaped baffle plate, and the spiral liquid flow is formed by means of the radian of the arc-shaped baffle plate, so that a large number of tiny bubbles are generated. The rotating degassing rod can also help the tiny bubbles to float and diffuse to the whole degassing chamber, so that the ideal aluminium melt dehydrogenation effect is achieved.
Further, the primary deaeration chamber is communicated with the buffer chamber through a buffer inlet, the buffer chamber is communicated with the secondary deaeration chamber through a buffer outlet, and the secondary deaeration chamber is communicated with the filter chamber through a filter inlet; the buffer inlet and the filter inlet are positioned at the bottom of the box body, and the buffer outlet is positioned at the upper part of the box body; the buffer inlet and the filter inlet are both provided with a filter screen A. The buffer inlet, the buffer outlet and the filtering inlet are communicated with the four chambers of the primary degassing chamber, the buffer chamber, the secondary degassing chamber and the filtering chamber, so that the aluminum melt can be smoothly degassed. Screen a may filter the aluminum melt.
Further, the air supply device is arranged on the box cover and comprises an air supply box and an air supply pipe, the air supply box is communicated with the air supply pipe, and the air supply pipe is communicated with an air supply branch pipe of the auxiliary degassing device to supply air for the auxiliary degassing device. The gas supply device can ensure the continuous nitrogen supply of the degassing rod and the auxiliary degassing device, and ensure the normal operation of the degassing rod and the auxiliary degassing device.
Further, the tops of the four areas of the primary deaeration chamber, the buffer chamber, the secondary deaeration chamber and the filter chamber are communicated with each other; the box cover is provided with a tail gas collecting box, and a collecting pipe of the tail gas collecting box is communicated with the top area of the box body. The tops of the four areas are communicated, and only one set of tail gas collecting box is needed to be installed, so that tail gas generated in each cavity can be collected at the same time, and the cost is saved.
Further, the upper left side of the primary deaeration chamber is connected with a liquid inlet pipe, and the upper left side of the filter chamber is connected with a liquid outlet pipe. The aluminum melt enters the utility model from the liquid inlet pipe, and is discharged from the liquid outlet pipe after degassing.
Further, the filtering chamber is provided with a horizontal filter screen B, and the height of the filter screen B is lower than that of the liquid outlet pipe. Therefore, when the aluminum melt flows out of the liquid outlet pipe, the aluminum melt is inevitably filtered through the filter screen B, and impurities in the aluminum melt are further filtered.
The utility model also comprises other components which can enable the aluminum melt on-line degassing device to be normally used, and all the devices or components adopt the conventional technical means in the field. In addition, the devices and components not defined in the present utility model are all conventional in the art, such as degassing rods in the present utility model. In the implementation process, a proper equipment or component model can be selected according to a specific working scene.
The working principle of the utility model is as follows: the aluminum melt flows through the primary deaeration chamber, the buffer chamber, the secondary deaeration chamber and the filter chamber in sequence from the liquid inlet pipe. The gas supply device simultaneously provides continuous nitrogen for the degassing rod and the auxiliary degassing device. The degassing rod, which rotates at high speed and sprays nitrogen, breaks up the larger bubbles of nitrogen into very fine small bubbles, which are uniformly dispersed in the aluminum melt. The vent holes of the auxiliary degassing device are arranged in pairs, the included angle between the vent holes is 60 degrees, two nitrogen beams ejected from the vent holes are guaranteed to meet and collide with the arc-shaped baffle plate, and spiral liquid flow is formed by means of the radian of the arc-shaped baffle plate, so that a large number of tiny bubbles are generated. The rotating degassing rod can also help tiny bubbles generated by the auxiliary degassing device to float and diffuse to the whole degassing chamber, so that a more ideal dehydrogenation effect is achieved. After the aluminum melt is subjected to dehydrogenation through the primary deaeration chamber and the secondary deaeration chamber, impurities are further filtered out through a filter screen B in a filter chamber, and finally, relatively pure aluminum melt is obtained from a liquid outlet pipe.
Compared with the prior art, the utility model has the following beneficial effects: 1. the degassing effect is good. The auxiliary degassing device is added on the basis of a conventional degassing rod, so that the dehydrogenation effect of the aluminum melt is better. 2. The heat of the aluminum melt is not easy to dissipate. Four chambers adjacent to each other are formed in the box body, so that the flowing distance of the aluminum melt is shortened, and the heat of the aluminum melt is not easy to dissipate. 3. Unified tail gas collection saves cost and protects environment. The top of the four chambers are communicated, and only one set of tail gas collecting box is needed to be installed, so that tail gas generated in each chamber can be collected simultaneously, the cost is saved, and the environment is protected.
Drawings
FIG. 1 is a schematic diagram of the internal structure of an on-line degassing device for aluminum melt.
Fig. 2 is a cross-sectional view of the present utility model taken along line B-B of fig. 1.
Fig. 3 is an enlarged view of a portion of the utility model in the area a of fig. 2.
Fig. 4 is a cross-sectional view of the present utility model taken along line C-C of fig. 1.
Fig. 5 is a top view of the present utility model.
In the figure: 1. a case; 2. a case cover; 3. a primary deaeration chamber; 4. a buffer chamber; 5. a secondary deaeration chamber; 6. a filtering chamber; 7. a liquid inlet pipe; 8. a liquid outlet pipe; 9. a buffer inlet; 10. a buffer outlet; 11. a filtering inlet; 12. a filter screen A; 13. a degassing rod; 14. a gas supply tank; 15. a tail gas collection box; 16. an air supply pipe; 17. an auxiliary degassing device; 171. a gas supply branch pipe; 172. a sealing plate; 173. an air outlet hole; 174. a connecting column; 175. an arc baffle; 18. and a filter screen B.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
Examples:
as shown in figures 1-5, an online degassing device for aluminum melt comprises a box body 1, a box cover 2, a primary degassing chamber 3, a buffer chamber 4, a secondary degassing chamber 5, a filtering chamber 6 and a degassing rod 13, wherein the upper ends of the primary degassing chamber 3 and the secondary degassing chamber 5 are respectively provided with the degassing rod 13 which is rotatably arranged on the box cover 2, the upper end of the degassing rod 13 is communicated with an air supply device, and the lower end of the degassing rod is provided with a stirring head with an air guide port. The box body 1 is divided into four areas of a primary deaeration chamber 3, a buffer chamber 4, a secondary deaeration chamber 5 and a filter chamber 6 on average, and a detachable box cover 2 is sealed above the box body 1; the left and right inner walls of the primary degassing chamber 3 and the secondary degassing chamber 5 are respectively provided with an auxiliary degassing device 17, and the auxiliary degassing devices 17 comprise an air supply branch pipe 171, a sealing plate 172, an air outlet 173, a connecting column 174 and an arc-shaped baffle 175; the air supply branch pipe 171 is arranged in the box body 1 and is communicated with a cavity formed by the sealing plate 172 and the inner wall of the box body 1; a horizontal connecting column 174 is fixed on the sealing plate 172, and an arc-shaped baffle 175 is fixed at the other end of the connecting column 174; the sealing plate 172 is provided with an inclined air outlet 173, the air outlet 173 is arranged corresponding to the arc-shaped baffle 175, and the air outlet 173 faces the concave surface of the arc-shaped baffle 175.
In addition, the air outlet holes 173 are arranged in pairs, and the included angle between the air outlet holes 173 is 60 degrees. The air supply device is arranged on the box cover 2 and comprises an air supply box 14 and an air supply pipe 16, wherein the air supply box 14 is communicated with the air supply pipe 16, and the air supply pipe 16 is communicated with an air supply branch pipe 171 of the auxiliary degassing device 17 to supply air for the auxiliary degassing device 17. The upper left part of the primary deaeration chamber 3 is connected with a liquid inlet pipe 7, and the upper left part of the filter chamber 6 is connected with a liquid outlet pipe 8. The primary deaeration chamber 3 is communicated with the buffer chamber 4 through a buffer inlet 9, the buffer chamber 4 is communicated with the secondary deaeration chamber 5 through a buffer outlet 10, and the secondary deaeration chamber 5 is communicated with the filter chamber 6 through a filter inlet 11; the buffer inlet 9 and the filter inlet 11 are positioned at the bottom of the box body 1, and the buffer outlet 10 is positioned at the upper part of the box body 1; both the buffer inlet 9 and the filter inlet 11 are provided with a sieve a12. The filtering chamber 6 is provided with a horizontal filter screen B18, and the height of the filter screen B18 is lower than that of the liquid outlet pipe 8. The tops of the four areas of the primary deaeration chamber 3, the buffer chamber 4, the secondary deaeration chamber 5 and the filter chamber 6 are communicated with each other; the box cover 2 is provided with a tail gas collecting box 15, and a collecting pipe of the tail gas collecting box 15 is communicated with the top area of the box body 1.
The working principle of the online degassing device for aluminum melt provided by the utility model is as follows: the aluminum melt flows through the primary deaeration chamber 3, the buffer chamber 4, the secondary deaeration chamber 5 and the filter chamber 6 in sequence from the liquid inlet pipe 7. The gas supply device provides continuous nitrogen gas for the degassing rod 13 and the auxiliary degassing device 17. The degassing rod 13, which rotates at a high speed and sprays nitrogen, breaks up the larger bubbles of nitrogen into very fine small bubbles, which are uniformly dispersed in the aluminum melt. The air outlet holes 173 of the auxiliary degassing device 17 are arranged in pairs, and the included angle between the air outlet holes 173 is 60 degrees, so that two nitrogen beams sprayed from the air outlet holes 173 are guaranteed to meet and collide with the arc-shaped baffle 175, and spiral liquid flow is formed by means of the radian of the arc-shaped baffle 175, so that a large number of tiny bubbles are generated. The rotating degassing rod 13 can also help the fine bubbles generated by the auxiliary degassing device 17 to float and diffuse to the whole degassing chamber, so that a more ideal degassing effect is achieved. After the aluminum melt is subjected to dehydrogenation through the primary degassing chamber 3 and the secondary degassing chamber 5, impurities are further filtered out through a filter screen B18 in the filtering chamber 6, and finally relatively pure aluminum melt is obtained from the liquid outlet pipe 8.
The foregoing examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. The utility model provides an online degassing unit of aluminium melt, includes box (1), case lid (2), once degassing chamber (3), buffer chamber (4), secondary degassing chamber (5), filter chamber (6) and degassing rod (13), all be equipped with in once degassing chamber (3) and secondary degassing chamber (5) and rotate degassing rod (13) of installing on case lid (2) upper end, degassing rod (13) upper end intercommunication has air feeder, and the lower extreme is equipped with the stirring head that has the air guide mouth, its characterized in that: the box body (1) is divided into four areas of a primary deaeration chamber (3), a buffer chamber (4), a secondary deaeration chamber (5) and a filter chamber (6) on average, and a detachable box cover (2) is sealed above the box body (1); the left and right inner walls of the primary deaeration chamber (3) and the secondary deaeration chamber (5) are respectively provided with an auxiliary deaeration device (17), and the auxiliary deaeration devices (17) comprise an air supply branch pipe (171), a sealing plate (172), an air outlet hole (173), a connecting column (174) and an arc-shaped baffle (175); the air supply branch pipe (171) is arranged in the box body (1) and is communicated with a cavity formed by the sealing plate (172) and the inner wall of the box body (1); a horizontal connecting column (174) is fixed on the sealing plate (172), and an arc-shaped baffle (175) is fixed at the other end of the connecting column (174); the sealing plate (172) is provided with an inclined air outlet hole (173), the air outlet hole (173) is arranged corresponding to the arc-shaped baffle plate (175), and the air outlet hole (173) faces the concave surface of the arc-shaped baffle plate (175).
2. The aluminum melt online degassing device according to claim 1, wherein: the air outlet holes (173) are arranged in pairs, and the included angle between the air outlet holes (173) is 60 degrees.
3. The aluminum melt online degassing device according to claim 1, wherein: the primary deaeration chamber (3) is communicated with the buffer chamber (4) through a buffer inlet (9), the buffer chamber (4) is communicated with the secondary deaeration chamber (5) through a buffer outlet (10), and the secondary deaeration chamber (5) is communicated with the filter chamber (6) through a filter inlet (11); the buffer inlet (9) and the filter inlet (11) are positioned at the bottom of the box body (1), and the buffer outlet (10) is positioned at the upper part of the box body (1); the buffer inlet (9) and the filter inlet (11) are both provided with a filter screen A (12).
4. The aluminum melt online degassing device according to claim 1, wherein: the air supply device is arranged on the box cover (2) and comprises an air supply box (14) and an air supply pipe (16), wherein the air supply box (14) is communicated with the air supply pipe (16), and the air supply pipe (16) is communicated with an air supply branch pipe (171) of the auxiliary degassing device (17) to supply air for the auxiliary degassing device (17).
5. The aluminum melt online degassing device according to claim 1, wherein: the tops of the four areas of the primary deaeration chamber (3), the buffer chamber (4), the secondary deaeration chamber (5) and the filter chamber (6) are communicated with each other; the box cover (2) is provided with a tail gas collecting box (15), and a collecting pipe of the tail gas collecting box (15) is communicated with the top area of the box body (1).
6. The aluminum melt online degassing device according to claim 1, wherein: the upper left part of the primary deaeration chamber (3) is connected with a liquid inlet pipe (7), and the upper left part of the filter chamber (6) is connected with a liquid outlet pipe (8).
7. The aluminum melt online degassing device according to claim 6, wherein: the filtering chamber (6) is provided with a horizontal filter screen B (18), and the height of the filter screen B (18) is lower than that of the liquid outlet pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320904834.XU CN219709554U (en) | 2023-04-20 | 2023-04-20 | Online degassing unit of aluminium fuse-element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320904834.XU CN219709554U (en) | 2023-04-20 | 2023-04-20 | Online degassing unit of aluminium fuse-element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709554U true CN219709554U (en) | 2023-09-19 |
Family
ID=88000418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320904834.XU Active CN219709554U (en) | 2023-04-20 | 2023-04-20 | Online degassing unit of aluminium fuse-element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709554U (en) |
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2023
- 2023-04-20 CN CN202320904834.XU patent/CN219709554U/en active Active
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