CN221051958U

CN221051958U - Molten aluminum degassing device

Info

Publication number: CN221051958U
Application number: CN202322936091.7U
Authority: CN
Inventors: 李高林; 赵光辉; 刘超
Original assignee: Nayou Luoyang New Materials Co ltd
Current assignee: Nayou Luoyang New Materials Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-05-31
Anticipated expiration: 2033-10-31

Abstract

The utility model discloses an aluminum liquid degassing device, which comprises a trough, partition plates, a degassing mechanism and a material removing mechanism, wherein the trough and the partition plates are used for sequentially conveying aluminum liquid to filter the aluminum liquid, the degassing mechanism and the material removing mechanism are used for degassing and removing impurities of the aluminum liquid, a plurality of partition plates are uniformly arranged in the trough, the partition plates are vertically arranged in the trough, the degassing mechanism is arranged between the two partition plates, the material removing mechanism is arranged at the rear side of the upper end of the trough and positioned at the impurity removing position, and an oscillating motor is arranged at the bottom of the trough corresponding to the position of the degassing mechanism. According to the utility model, the dispersing stirring blades for providing inert gases in multiple stages are matched with the aluminum liquid which is transported step by step, impurities and waste gas are adsorbed, and the impurities float up more quickly in the high-concentration aluminum liquid by matching with vibration generated by the bottom same-frequency vibration motor, so that the purification effect of the aluminum liquid is improved, and the impurities floating up in the subsequent previous space are prevented from affecting the subsequent space by matching with the liquid passing port which is lowered step by step, so that the impurity diffusion is avoided, and the degassing and impurity removing effects of the aluminum liquid are ensured.

Description

Molten aluminum degassing device

Technical Field

The utility model relates to the field of aluminum profile processing, in particular to an aluminum liquid degassing device.

Background

The current aluminum strip casting and rolling machine comprises a heat preservation furnace, a front box, a casting and rolling device and a coiling machine, wherein an outflow opening of the heat preservation furnace is arranged corresponding to an inflow opening of the front box, so that aluminum melt in the heat preservation furnace smoothly flows into the front box, the casting and rolling device comprises a frame, a casting nozzle and a roller, an output opening of the front box is connected with the casting nozzle, the aluminum melt in the front box flows into the casting nozzle, the casting nozzle is used for injecting the aluminum melt on the roller cooled by cooling water, the aluminum melt is distributed, cooled and solidified along the surface of the roller in a wide direction, and then the roller is rolled and formed to form a cast-rolled aluminum strip, and then after the cast-rolled aluminum strip leaves a roller gap, the cast-rolled aluminum strip is coiled by the coiling machine through corresponding treatments of a guiding roller, a pinch roller, a hydraulic shear and a deflection roller in sequence, so that a worker removes a coiled material from the coiling machine, and the whole casting and rolling production process is completed.

The utility model of China with the comparative publication number of CN214023376U discloses an aluminum liquid degassing device for aluminum strips before casting and rolling, which is used for precipitating and sinking impurities in the aluminum liquid in the space of a multi-stage partition board through the aluminum liquid and then collecting the precipitated impurities.

However, according to the documents in the related art, in the existing aluminum liquid processing, because the impurity is removed and deaerated in the aluminum liquid by adopting a mode of absorbing the impurity by inert gas, but before the aluminum strip processing, the excessive stirring of the aluminum liquid is required to be avoided, so that the subsequent processing inconvenience influences the subsequent forming, a structure of filtering an aluminum liquid groove is generally adopted, and until then, the analysis of the prior art shows that if the impurity is deposited at the bottom, the impurity cannot be collected and removed even though the bottom opening can always influence the aluminum liquid, and in the flowing aluminum liquid, the impurity is always deposited at the bottom and is easy to mix in the aluminum liquid again, so that the purity of the aluminum liquid is influenced.

Disclosure of utility model

The utility model aims to solve the problems and provide an aluminum liquid degassing device.

The utility model realizes the above purpose through the following technical scheme:

The aluminum liquid degassing device comprises a trough, partition plates, a degassing mechanism and a material removing mechanism, wherein the trough and the partition plates are used for sequentially conveying aluminum liquid to filter the aluminum liquid, the degassing mechanism and the material removing mechanism are used for degassing and removing impurities from the aluminum liquid, a plurality of partition plates are uniformly arranged in the trough, the partition plates are vertically arranged in the trough, the degassing mechanism is arranged between the two partition plates, the material removing mechanism is arranged at the rear side of the upper end of the trough at the impurity removing position, and an oscillating motor is arranged at the bottom of the trough corresponding to the position of the degassing mechanism;

The separator is provided with a liquid passing port in a forming mode, the inlet end of the trough is provided with a feeding chute, and the outlet end of the trough is provided with a liquid outlet;

The degassing mechanism comprises a vertical frame, the vertical frame is arranged at the upper end of the partition board, a gearbox and an air pipe group are arranged in the vertical frame, a motor is arranged at the power end of the gearbox, a plurality of hollow shafts are arranged at the output end of the gearbox, the hollow shafts are vertically inserted between the two partition boards, dispersing stirring blades are arranged at the bottom of the hollow shafts, the air inlet end of the air pipe group is connected with an air inlet pipe, and the air outlet ends of the air inlet pipe are respectively connected with the hollow cavities of the hollow shafts.

Preferably: the liquid passing openings on the partition board at the inlet end are positioned at the bottom, the liquid passing openings on the partition board at the second inlet end are positioned at the middle part of the partition board and distributed from the second inlet end to the outlet end, and the positions of the liquid passing openings on the partition board are gradually lower than the former height.

So set up, through the host computer position of crossing the liquid mouth that reduces, avoid the impurity of the upward flotation of last layer to influence next the impurity of upward flotation in the space that the baffle encloses.

Preferably: the installation position of the dispersing stirring blade is positioned at the bottom of the trough, and the dispersing stirring blade is provided with air holes and communicated with the cavity inside the hollow shaft.

The device is characterized in that the air inlet pipe conveys inert gas to the dispersing stirring blades through the hollow shaft, and the dispersing stirring blades stir and discharge the inert gas, so that waste gas and impurities in the aluminum liquid are adsorbed and then float upwards, and the purity of the aluminum liquid is improved.

Preferably: the feeding device comprises a feeding device, a feeding mechanism, a feeding power shaft, a fixing frame, a supporting shaft, steel coils and a scraping plate, wherein the feeding device is arranged on the feeding device, the feeding device comprises a feeding chute, the feeding chute is further provided with the feeding mechanism, the upper side of the feeding chute is correspondingly provided with the feeding mechanism, the feeding mechanism comprises the feeding power shaft, the two ends of the feeding power shaft are arranged at the upper end of the feeding chute through the fixing frame, the supporting shaft is arranged on the front side of the feeding power shaft, the steel coils are wound outside the supporting shaft, and the scraping plate is uniformly arranged outside the steel coils.

So set up, impurity is floated to aluminium liquid surface after, sweeps through the back shaft, strikes off from the miscellaneous chute position of row again.

Preferably: the scraping plate is connected to the steel coil through a screw, and the scraping plate sweeps from the upper side of the impurity discharging chute.

Preferably: the liquid outlet is positioned at the position, close to the upper side, of the central position on the side wall of the trough.

So set up, through multistage come-up filtration back, the aluminium liquid of relative high purity can follow the liquid outlet discharge and take shape, and utilizes the liquid outlet in middle part position, avoids the impurity of come-up to influence once more.

Compared with the prior art, the utility model has the following beneficial effects:

Utilize multistage stirring vane that spreads of inert gas that provides cooperation transmission step by step aluminium liquid, adsorb impurity and waste gas through, the vibrations that a plurality of co-frequency vibration motors of cooperation bottom produced again make impurity more quick come-up in high concentration aluminium liquid to improve the purification effect to aluminium liquid, and the cooperation is the liquid mouth that crosses that becomes step by step, avoid in follow-up preceding space come-up impurity influences the latter space, thereby avoid impurity diffusion, with this degassing and edulcoration effect of guaranteeing aluminium liquid.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a first structure of an aluminum liquid degassing device according to the present utility model;

FIG. 2 is a schematic view of a second structure of an aluminum liquid degassing apparatus according to the present utility model;

FIG. 3 is a schematic diagram of the internal structure of a trough of the aluminum liquid degassing device;

FIG. 4 is a schematic diagram of the distribution structure of a partition plate of an aluminum liquid degassing device according to the present utility model;

Fig. 5 is a schematic diagram of a material removing mechanism of the aluminum liquid degassing device.

The reference numerals are explained as follows:

1. A trough; 2. a partition plate; 3. a degassing mechanism; 4. a material removing mechanism; 5. oscillating the motor; 11. a feed chute; 12. a trash discharge chute; 13. a liquid outlet; 21. a liquid passing port; 31. a vertical frame; 32. a motor; 33. an air inlet pipe; 34. a hollow shaft; 35. a dispersing and stirring blade; 41. a discharging power shaft; 42. a steel coil; 43. a scraper; 44. and a support shaft.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

Example 1

As shown in fig. 1-5, the aluminum liquid degassing device comprises a trough 1, a baffle plate 2, a degassing mechanism 3 and a material removing mechanism 4, wherein the trough 1 and the baffle plate are used for sequentially conveying aluminum liquid to filter the aluminum liquid, the degassing mechanism 3 and the material removing mechanism 4 are used for degassing and removing the aluminum liquid, a plurality of baffle plates 2 are uniformly arranged in the trough 1, the baffle plates 2 are vertically arranged in the trough 1, the degassing mechanism 3 is arranged between the two baffle plates 2, the material removing mechanism 4 is arranged at the rear side of the upper end of the trough 1 at the impurity removing position, and an oscillating motor 5 is arranged at the bottom of the trough 1 corresponding to the position of the degassing mechanism 3;

A liquid passing port 21 is formed in the partition plate 2, a feed chute 11 is arranged at the inlet end of the trough 1, and a liquid outlet 13 is arranged at the outlet end of the trough 1;

The degassing mechanism 3 comprises a vertical frame 31, the vertical frame 31 is arranged at the upper end of the partition plate 2, a gearbox and an air pipe group are arranged in the vertical frame 31, a motor 32 is arranged at the power end of the gearbox, a plurality of hollow shafts 34 are arranged at the output end of the gearbox, the hollow shafts 34 are vertically inserted between the two partition plates 2, dispersing stirring blades 35 are arranged at the bottom of the hollow shafts 34, the air inlet end of the air pipe group is connected with an air inlet pipe 33, and the air outlet ends of the air inlet pipe 33 are respectively connected with the cavities of the hollow shafts 34.

In this embodiment: the liquid passing port 21 on the baffle plate 2 of the inlet end is positioned at the bottom, the liquid passing port 21 on the baffle plate 2 of the second baffle plate 2 of the inlet end is positioned at the middle part of the baffle plate 2 and distributed from the second to the outlet end, the position of the liquid passing port 21 on the baffle plate 2 is gradually lower than the former height, and the upward floating impurities of the previous layer are prevented from affecting the upward floating impurities in the space enclosed by the next baffle plate 2 by gradually decreasing the position of the liquid passing port 21.

In this embodiment: the installation position of the dispersing and stirring blade 35 is positioned at the bottom of the trough 1, the dispersing and stirring blade 35 is provided with air holes, the air holes are communicated with the cavity inside the hollow shaft 34, the air inlet pipe 33 transmits inert gas to the dispersing and stirring blade 35 through the hollow shaft 34, and the dispersing and stirring blade 35 is used for stirring and discharging, so that the waste gas and impurities in the aluminum liquid are adsorbed and then float upwards, and the purity of the aluminum liquid is improved.

In this embodiment: the trough 1 further comprises a trash discharging chute 12, the upper side of the trash discharging chute 12 is correspondingly provided with a material removing mechanism 4, the material removing mechanism 4 comprises a material discharging power shaft 41, two ends of the material discharging power shaft 41 are arranged at the upper end of the trough 1 through a fixing frame, a supporting shaft 44 is arranged at the front side of the material discharging power shaft 41, steel coils 42 are wound outside the material discharging power shaft 41 and the supporting shaft 44, scraping plates 43 are uniformly arranged outside the steel coils 42, and impurities are scraped through the supporting shaft 44 after being floated on the surface of aluminum liquid and then scraped from the position of the trash discharging chute 12.

In this embodiment: the scraper 43 is attached to the coil 42 by screws, and the scraper 43 sweeps over the upper side of the impurity discharging chute 12.

In this embodiment: the liquid outlet 13 is located the central point of silo 1 lateral wall and puts near the upside position, and through multistage come-up filtration back, the aluminium liquid of relative high purity can follow the liquid outlet 13 discharge and take shape, and utilizes the liquid outlet 13 in middle part position, avoids the impurity of come-up to influence once more.

Working principle: pouring the primary purified aluminum liquid into a trough 1 in front of an aluminum strip casting machine, starting a motor 32 at the moment, and connecting an air inlet pipe 33 with external inert gas equipment (not shown);

As shown in fig. 4, after the start, the motor 32 drives the hollow shafts 34 and the dispersing stirring blades 35 to rotate through the gearbox inside the stand 31, and the air inlet pipe 33 supplies inert gas to the hollow shafts 34 and the dispersing stirring blades 35 while rotating, so that the aluminum liquid gradually fills the space inside the trough 1 and fills the space between the partition plates 2;

When the aluminum liquid passes through the first space, inert gas is driven by the dispersing stirring blades 35 to be dispersed in the cavity, the inert gas is adsorbed and combined with waste gas and impurities in the aluminum liquid, so that the inert gas floats upwards, meanwhile, as the bottom is provided with the oscillating motors 5, the oscillating motors 5 emit oscillations with the same frequency, the baffle plates 2 are triggered, so that resonance superposition is generated in the trough 1, at the moment, the aluminum liquid is subjected to resonance, impurities floating in the aluminum liquid can float upwards rapidly in the oscillation, and after the impurities float to the liquid level of the aluminum liquid, the impurities are skimmed to one side of the impurity-discharging chute 12 through the scraping plate 43 and the supporting shaft 44 driven by the discharging power shaft 41, so that the impurities are scraped;

the aluminum liquid in the trough 1 is filtered through the first stage, and then the impurity floating at the front end of the trough is prevented from affecting the floating of the subsequent impurity through the liquid passing opening 21 in the second baffle plate 2, and even if a part of the impurity is driven into the subsequent space, the horizontal impact is prevented from being continuously transmitted backwards through the opening of the flat layer, so that the aluminum liquid is shielded by the subsequent baffle plate 2, and the aluminum liquid floats upwards after being adsorbed by the inert gas floating at the bottom.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. An aluminum liquid degassing device is characterized in that: the aluminum liquid filtering device comprises a trough (1), partition plates (2) and a degassing mechanism (3) and a material removing mechanism (4), wherein the trough (1) is used for sequentially conveying the aluminum liquid to filter the aluminum liquid, the degassing mechanism (3) and the material removing mechanism (4) are used for degassing and impurity removing treatment of the aluminum liquid, a plurality of partition plates (2) are uniformly arranged inside the trough (1), the partition plates (2) are vertically arranged inside the trough (1), the degassing mechanism (3) is arranged between the two partition plates (2), the material removing mechanism (4) is arranged at the impurity removing position of the rear side of the upper end of the trough (1), and an oscillating motor (5) is arranged at the bottom of the trough (1) corresponding to the position of the degassing mechanism (3);

A liquid passing port (21) is formed in the partition plate (2), a feed chute (11) is arranged at the inlet end of the trough (1), and a liquid outlet (13) is arranged at the outlet end of the trough (1);

The degassing mechanism (3) comprises a vertical frame (31), the vertical frame (31) is installed at the upper end of the partition board (2), a gearbox and a gas pipe group are installed in the vertical frame (31), a motor (32) is installed at the power end of the gearbox, a plurality of hollow shafts (34) are installed at the output end of the gearbox, the hollow shafts (34) are vertically inserted between the two partition boards (2), dispersing stirring blades (35) are installed at the bottom of the hollow shafts (34), a gas inlet pipe (33) is connected to the gas inlet end of the gas pipe group, and the gas outlet ends of the gas inlet pipes (33) are respectively connected to the cavities of the hollow shafts (34).

2. An aluminum liquid degassing apparatus according to claim 1, wherein: the liquid passing ports (21) on the partition board (2) at the inlet end are positioned at the bottom, the liquid passing ports (21) on the partition board (2) at the second inlet end are positioned in the middle of the partition board (2) and distributed from the second inlet end to the outlet end, and the positions of the liquid passing ports (21) on the partition board (2) are gradually lower than the previous height.

3. An aluminum liquid degassing apparatus according to claim 1, wherein: the installation position of the dispersing stirring blade (35) is positioned at the bottom of the trough (1), and ventilation holes are formed in the dispersing stirring blade (35) and are communicated with the cavity in the hollow shaft (34).

4. An aluminum liquid degassing apparatus according to claim 1, wherein: the material tank (1) further comprises a trash chute (12), the trash chute (12) is correspondingly arranged on the upper side of the trash chute (12) and comprises a material removing mechanism (4), the material removing mechanism (4) comprises a material removing power shaft (41), two ends of the material removing power shaft (41) are arranged at the upper end of the material tank (1) through fixing frames, a supporting shaft (44) is arranged on the front side of the material removing power shaft (41), a steel coil (42) is wound outside the supporting shaft (44), and a scraping plate (43) is evenly arranged outside the steel coil (42).

5. The aluminum liquid degassing device according to claim 4, wherein: the scraping plate (43) is connected to the steel coil (42) through screws, and the scraping plate (43) sweeps from the upper side of the impurity discharging chute (12).

6. An aluminum liquid degassing apparatus according to claim 1, wherein: the liquid outlet (13) is positioned at the center position on the side wall of the trough (1) and is close to the upper side position.