CN-224227162-U - On-line degassing and filtering device for molten aluminum

CN224227162UCN 224227162 UCN224227162 UCN 224227162UCN-224227162-U

Abstract

The utility model discloses an online aluminum liquid degassing and filtering device which comprises a tank body with a head launder, a middle launder and an end launder, wherein a filtering box is positioned between the middle launder and the end launder, a degassing box is arranged on the side surface of the middle launder, a baffle is arranged between the degassing box and the middle launder, the baffle is movably connected with the middle launder, and the baffle is moved to enable the inside of the degassing box to be communicated or blocked with the middle launder. According to the utility model, through arranging the trough body with the head trough, the middle trough and the end trough, the uniform flow of the aluminum liquid can be realized, the filter box is arranged between the middle trough and the end trough, the side surface of the middle trough is provided with the degassing box, the baffle is arranged between the degassing box and the middle trough, and the baffle is moved to enable the inside of the degassing box to be communicated or blocked with the middle trough, so that the degassing and filtering treatment can be effectively switched according to the actual needs of different aluminum liquids, the device is flexible in operation, the quality of the aluminum liquid treatment can be ensured, and meanwhile, the stability and the flexibility of the whole device are improved.

Inventors

HU GENGLEI
SUN ZHENJIAO
ZHU XIAOYU

Assignees

北京首钢铁合金有限公司

Dates

Publication Date: 20260512
Application Date: 20250425

Claims (9)

1. An on-line degassing and filtering device for aluminum liquid, which is characterized by comprising: The aluminum liquid flow guide device comprises a tank body, a guide plate and a guide plate, wherein the tank body is used for guiding aluminum liquid to flow and comprises a head launder, a middle launder and an end launder; The filter box is positioned between the middle launder and the end launder, and openings communicated with the middle launder and the end launder are formed in two sides of the filter box; The gas removal box is arranged on the side face of the middle launder, a baffle is arranged between the gas removal box and the middle launder, and the baffle is movably connected with the middle launder; In the assembled state, the baffle is moved to communicate or block the interior of the degassing tank with the middle launder.
2. The on-line aluminum liquid degassing and filtering device according to claim 1, wherein the baffle plate is of a square structure, an inlet and an outlet are formed in one side, close to the degassing box, of the middle launder, and the baffle plate is located at the inlet and the outlet.
3. The on-line degassing and filtering device for aluminum liquid according to claim 2, wherein the baffle is connected with the middle launder in a clamping manner, protrusions are arranged on the surfaces of the inlet and the outlet, grooves are arranged on the side surfaces of the baffle, and the protrusions are clamped in the grooves so that the baffle is connected with the middle launder.
4. The on-line degassing and filtering device for aluminum liquid according to claim 2, wherein sealing rings are arranged between the baffle plate and the inlet and between the baffle plate and the outlet, and the sealing rings are ceramic sealing rings or graphite sealing rings.
5. The online degassing and filtering device for aluminum liquid according to claim 1, wherein the tank body is of an L-shaped structure, the extending direction of the head flow groove is perpendicular to the extending directions of the middle flow groove and the end flow groove, or the tank body is of an I-shaped structure, and the extending directions of the head flow groove and the extending directions of the middle flow groove and the end flow groove are parallel to each other.
6. The on-line degassing and filtering device for aluminum liquid according to claim 1, further comprising a slag pit, wherein the slag pit is connected with the filtering tank and the degassing tank.
7. The online degassing and filtering device for aluminum liquid according to claim 6, wherein the bottom of the side wall of the filtering box and the bottom of the side wall of the degassing box are respectively provided with a vent, and the vent is communicated with the slag pit.
8. The online degassing and filtering device for aluminum liquid according to claim 1, wherein a rotary lifting device is arranged in the degassing tank and is used for stirring the aluminum liquid in the degassing tank; the degassing tank is connected with a gas tank, and a control device on the degassing tank is driven to blow inert gas in the gas tank into the aluminum liquid.
9. The online degassing and filtering device for aluminum liquid according to claim 1, wherein a plurality of screens are arranged in the filtering box, the screens are distributed at intervals along the conveying direction of the aluminum liquid, and the screens are ceramic screens.

Description

On-line degassing and filtering device for molten aluminum Technical Field The utility model relates to the technical field of aluminum product purification, in particular to an online aluminum liquid degassing and filtering device. Background The aluminum liquid plays a very important role in the aluminum alloy casting process, is usually formed by heating and melting an aluminum ingot or is kept in a molten state at a high temperature by adding alloy elements so as to facilitate subsequent treatment, has high heat conductivity and good fluidity, and is widely applied to the casting of aluminum alloys such as automobile industry, aerospace, household appliances, electronic products and the like. In the prior art, a deaerator or a filter is generally adopted to remove gas (such as hydrogen) and impurities in the aluminum liquid so as to improve the quality of the aluminum liquid and the strength of castings. However, the traditional online aluminum liquid degassing and filtering device has single function, can only operate one production line, can not flexibly select an independent filtering or degassing function according to specific requirements of the aluminum liquid, and influences the filtering effect and the production efficiency, so that the flexibility and the adjustability of use are reduced. Disclosure of utility model The utility model provides an online degassing and filtering device for aluminum liquid, which aims to solve the problems that the traditional online degassing and filtering device for aluminum liquid has single function, can only operate one production line, can not flexibly select an independent filtering or degassing function according to the specific requirements of the aluminum liquid, and influences the filtering effect and the production efficiency, thereby reducing the flexibility and the adjustability of use, and adopts the following technical scheme: an on-line degassing and filtering device for aluminum liquid, which is characterized by comprising: The aluminum liquid flow guide device comprises a tank body, a guide plate and a guide plate, wherein the tank body is used for guiding aluminum liquid to flow and comprises a head launder, a middle launder and an end launder; The filter box is positioned between the middle launder and the end launder, and openings communicated with the middle launder and the end launder are formed in two sides of the filter box; The gas removal box is arranged on the side face of the middle launder, a baffle is arranged between the gas removal box and the middle launder, and the baffle is movably connected with the middle launder; In the assembled state, the baffle is moved to communicate or block the interior of the degassing tank with the middle launder. In some embodiments, the baffle is in a square structure, an inlet and an outlet are arranged on one side of the middle flow groove, which is close to the degassing box, and the baffle is positioned at the inlet and the outlet. In some embodiments, the baffle is connected with the middle launder in a clamping manner, the surfaces of the inlet and the outlet are provided with protrusions, the side surfaces of the baffle are provided with grooves, and the protrusions are clamped in the grooves so that the baffle is connected with the middle launder. In some embodiments, sealing rings are arranged between the baffle and the inlet and between the baffle and the outlet, and the sealing rings are ceramic sealing rings or graphite sealing rings. In some embodiments, the trough body is in an L-shaped structure, and the extending direction of the head flow trough is perpendicular to the extending directions of the middle flow trough and the end flow trough, or the trough body is in an I-shaped structure, and the extending directions of the head flow trough are parallel to the extending directions of the middle flow trough and the end flow trough. In some embodiments, a slag pit is also included, the slag pit being connected to both the filter box and the deaeration box. In some embodiments, the bottom of the side wall of the filtering box and the bottom of the side wall of the degassing box are respectively provided with a vent, and the vent is communicated with the slag pit. In some embodiments, a rotary lifting device is arranged in the degassing tank and is used for stirring the aluminum liquid in the degassing tank; the degassing tank is connected with a gas tank, and a control device on the degassing tank is driven to blow inert gas in the gas tank into the aluminum liquid. In some embodiments, a plurality of screens are arranged in the filter box, the screens are arranged at intervals along the conveying direction of the aluminum liquid, and the screens are ceramic screens. Compared with the prior art, the utility model has the following technical progress: According to the utility model, through arranging the tank body with the head launder, the middle launder and the end launder, the uniform