CN215925043U

CN215925043U - High-efficient gas removal equipment

Info

Publication number: CN215925043U
Application number: CN202120118787.7U
Authority: CN
Inventors: 万懿
Original assignee: Wuxi Qire Heat Transfer Technology Co ltd
Current assignee: Wuxi Qire Heat Transfer Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2022-03-01
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a high-efficiency degassing device which comprises a limiting column, a supporting plate, a rotor mechanism and a lifting cylinder, wherein the limiting column is arranged at four corners of the supporting plate, and the supporting plate can move up and down along the limiting column; a plurality of rotor mechanisms are fixedly arranged on the supporting plate at equal intervals; the all fixedly connected with bottom plate of spacing post lower extreme, all vertically be provided with the lift cylinder on the bottom plate, lift cylinder piston rod with terminal surface fixed connection under the backup pad, the lift cylinder is by controller PLC synchronous control. The utility model drives the supporting plate to move up and down by controlling the cylinder to move synchronously through the PLC, so that the rotor mechanisms move synchronously, and a plurality of rotor mechanisms can synchronously carry out degassing operation, thereby improving the degassing efficiency; meanwhile, one device can be provided with a plurality of rotor mechanisms, so that the dispersed arrangement of the rotor mechanisms can be avoided, and the effective use area of a workshop is effectively saved.

Description

High-efficient gas removal equipment

Technical Field

The utility model relates to aluminum liquid degassing equipment, in particular to a high-efficiency degassing device.

Background

Because the surface of the metal aluminum is provided with a compact aluminum hydroxide oxide film, when the metal aluminum is smelted in a crucible, the metal aluminum can react with water to generate hydrogen, the hydrogen is dissolved in the metal aluminum liquid, and after casting, molding and cooling, the hydrogen in the metal aluminum liquid can be separated out to form air holes in a casting, so that the density of the casting is not high, the performance is not good, and the yield is reduced. The aluminum liquid degassing equipment needs to use a graphite rotor, and the purification treatment method for removing hydrogen and oxide inclusions in the aluminum liquid by using the rotation of the graphite rotor to blow inert gas is the most common aluminum liquid treatment method at present. However, most of the existing degassing devices are independent and only have one graphite rotor, when degassing is performed on a plurality of targets, only a plurality of devices can be added or degassing is performed one by one, the devices are distributed and seriously occupy effective use area of a workshop, and meanwhile, an operator is required to operate and control one by one, and the successive degassing seriously affects the working efficiency and consumes labor hours.

SUMMERY OF THE UTILITY MODEL

The present invention provides a high-efficiency degassing device to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-efficiency degassing device comprises a limiting column, a supporting plate, a rotor mechanism and a lifting cylinder, wherein the limiting column is arranged at four corners of the supporting plate, and the supporting plate can move up and down along the limiting column; a plurality of rotor mechanisms are fixedly arranged on the supporting plate at equal intervals; the all fixedly connected with bottom plate of spacing post lower extreme, all vertically be provided with the lift cylinder on the bottom plate, lift cylinder piston rod with terminal surface fixed connection under the backup pad, the lift cylinder is by controller PLC synchronous control.

As a preferred arrangement of the utility model, the rotor mechanism comprises a motor, a connecting seat, an argon gas pipe, a graphite rotating rod and a graphite rotating disc, wherein the motor is arranged at the upper end of the connecting seat, the lower end of the connecting seat is fixedly connected with the argon gas pipe, the graphite rotating rod is arranged in the argon gas pipe, the top end of the graphite rotating rod is connected with an output shaft of the motor through a coupling, the bottom end of the graphite rotating rod extends out of the argon gas pipe, the graphite rotating disc is arranged at the bottom end of the graphite rotating disc, and a honeycomb ceramic sheet is embedded on the lower end surface of the graphite rotating disc; the graphite rotating rod is internally provided with an airflow channel extending along the rod body of the graphite rotating rod, the airflow channel extends to an argon pipe and is communicated with the argon pipe through a plurality of round holes arranged on the graphite rotating rod, the graphite rotating disk is provided with a through hole, the through hole is communicated with the airflow channel, the honeycomb ceramic sheet is embedded in the through hole, and the honeycomb ceramic sheet is provided with air outlet holes arranged in a honeycomb shape; and an argon inlet is formed in the argon pipe.

As a preferable arrangement of the utility model, the surfaces of the graphite rotating rod and the graphite rotating disk are provided with oxidation resistant coatings.

As the preferred arrangement of the utility model, a scouring-resistant and oxidation-resistant ceramic sleeve is arranged at the position of the graphite rotating rod on the liquid level of the aluminum liquid when the graphite rotating rod works.

In a preferred embodiment of the present invention, the circumferential surface of the graphite rotor is provided with 4 stirring blades distributed at equal intervals.

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

according to the utility model, the PLC controls the air cylinders to synchronously move to drive the supporting plate to move up and down, so that the rotor mechanisms synchronously move, and a plurality of rotor mechanisms can synchronously carry out degassing operation, thereby improving the degassing efficiency; meanwhile, one device can be provided with a plurality of rotor mechanisms, so that the dispersed arrangement of the rotor mechanisms can be avoided, and the effective use area of a workshop is effectively saved; the bottom plates at the bottom ends of the limiting columns are provided with intervals, and a conveying mechanism can be arranged between the intervals, so that the degassing working efficiency is further improved;

the utility model breaks up the large bubbles of inert gas into small bubbles with very fine and uniform size and sprays the small bubbles out under the condition of high-speed rotation through the honeycomb ceramic plates embedded in the turntable, and the small bubbles are uniformly dispersed in the molten metal, namely, the large bubbles of inert gas are broken into a plurality of small bubbles with uniform size, so that the total specific surface area of the small bubbles is greatly increased, the adsorption capacity is stronger, more inert bubble surfaces are contacted with hydrogen in the molten metal to be taken away from the liquid surface for discharge, and the degassing effect is good;

according to the utility model, the scouring-resistant and oxidation-resistant ceramic sleeve is arranged at the contact part of the graphite rotating rod and the liquid level of the aluminum liquid, so that the direct contact between the graphite rotating rod and the air above the liquid level is reduced, the oxidation of the graphite rotating rod is reduced, the direct scouring of the liquid level of the aluminum liquid and the graphite rotating rod is avoided, and the service life of the graphite rotating rod can be effectively prolonged.

Drawings

FIG. 1 is a front view of a high efficiency degasser;

FIG. 2 is a side view of a high efficiency degasser;

fig. 3 is a structural schematic diagram of a rotor mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, an efficient degassing device includes a limiting column 1, a supporting plate 2, a rotor mechanism and a lifting cylinder 3, wherein the limiting column 1 is installed at four corners of the supporting plate 2, and the supporting plate 2 can move up and down along the limiting column 1; a plurality of rotor mechanisms are fixedly arranged on the supporting plate 2 at equal intervals; the equal fixedly connected with bottom plate 4 of 1 lower extreme of spacing post, all vertically on the bottom plate 4 be provided with

lift cylinder

3, 3 piston rods of lift cylinder with terminal surface fixed connection under the backup pad 2, lift cylinder 3 is by controller PLC synchronous control.

As a preferable configuration of the embodiment of the present invention, the rotor mechanism includes a motor 5, a connecting seat 6, an argon gas pipe 7, a graphite rotating rod 8 and a graphite rotating disk 9, the motor 5 is installed at the upper end of the connecting seat 6, the lower end of the connecting seat 6 is fixedly connected to the argon gas pipe 7, the graphite rotating rod 8 is installed in the argon gas pipe 7, the top end of the graphite rotating rod 8 is connected to an output shaft of the motor 5 through a coupling, the bottom end of the graphite rotating rod extends out of the argon gas pipe 7, the graphite rotating disk 9 is installed at the bottom end of the graphite rotating disk, and a honeycomb ceramic sheet 10 is embedded in the lower end surface of the graphite rotating disk 9; an airflow channel 11 extending along the rod body of the graphite rotating rod 8 is arranged in the graphite rotating rod 8, the airflow channel 11 extends to the argon tube 7 and is communicated with the inner cavity of the argon tube 7 through a plurality of circular holes 12 arranged on the graphite rotating rod 8, the graphite rotating disk 9 is provided with a through hole 13, the through hole 13 is communicated with the airflow channel 11, the honeycomb ceramic piece 10 is embedded in the through hole 13, and the honeycomb ceramic piece 10 is provided with air outlet holes 14 which are arranged in a honeycomb shape; and an argon inlet 15 is formed in the argon pipe 7.

As a preferable arrangement of the embodiment of the present invention, the surfaces of the graphite rotating rod 8 and the graphite rotating disk 9 are prepared with an oxidation resistant coating.

As a preferable arrangement of the embodiment of the utility model, a scouring-resistant and oxidation-resistant ceramic sleeve 16 is arranged at the position of the graphite rotating rod 9 on the liquid level of the molten aluminum when the graphite rotating rod works.

In an embodiment of the present invention, the circumferential surface of the graphite turntable 9 is preferably provided with 4 stirring blades 17 distributed at equal intervals.

In the embodiment, the PLC controls the synchronous motion of the cylinders to drive the supporting plate 2 to move up and down, so that the rotor mechanisms move synchronously, and the plurality of rotor mechanisms can synchronously perform degassing operation, thereby improving the degassing efficiency; meanwhile, one device can be provided with a plurality of rotor mechanisms, so that the dispersed arrangement of the rotor mechanisms can be avoided, and the effective use area of a workshop is effectively saved; spacing 1 bottom plate 4 has the intermittence, and furtherly, can set up transport mechanism here, further improve degasification work efficiency.

Further, in this embodiment, the motor 5 drives the graphite rotating rod 8 to drive the graphite rotating disk 9 to rotate at a high speed, and under the condition of high-speed rotation, the honeycomb ceramic sheet 10 embedded in the graphite rotating disk 9 breaks up the large inert gas bubbles into small bubbles with very fine and uniform sizes and sprays the small bubbles out, and the small bubbles are uniformly dispersed in the molten metal, that is, the large inert gas bubbles are broken up into a plurality of small bubbles with uniform sizes, so that the total specific surface area of the small bubbles is greatly increased, the adsorption capacity is stronger, and more inert gas bubbles and hydrogen in the molten metal are brought to the liquid surface to be discharged, in this embodiment, argon is selected as the inert gas.

Meanwhile, the stirring blade 17 is distinguished from a conventional graphite rotor which mainly functions to break up large bubbles of inert gas into small bubbles, whereas in the present invention, the breaking effect is limited because small bubbles of inert gas are ejected, and in the present invention, the stirring blade 17 mainly functions to disperse, so that the small bubbles are fully dispersed into the molten aluminum during stirring, rather than concentrating the area adjacent to the graphite turntable 9.

In addition, the embodiment of the utility model reduces the direct contact between the graphite rotating rod 8 and the air above the liquid level and reduces the oxidation of the graphite rotating rod 8 by arranging the scouring-resistant and oxidation-resistant ceramic sleeve 16 at the contact part of the graphite rotating rod 8 and the liquid level of the aluminum liquid, thereby avoiding the direct scouring of the liquid level of the aluminum liquid and the graphite rotating rod 8 and effectively prolonging the service life of the aluminum liquid.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Claims

1. A high-efficiency degassing device comprises a limiting column, a supporting plate, a rotor mechanism and a lifting cylinder, and is characterized in that the limiting column is arranged at four corners of the supporting plate, and the supporting plate can move up and down along the limiting column; a plurality of rotor mechanisms are fixedly arranged on the supporting plate at equal intervals; the all fixedly connected with bottom plate of spacing post lower extreme, all vertically be provided with the lift cylinder on the bottom plate, lift cylinder piston rod with terminal surface fixed connection under the backup pad, the lift cylinder is by controller PLC synchronous control.

2. The efficient degassing device according to claim 1, wherein the rotor mechanism comprises a motor, a connecting seat, an argon gas pipe, a graphite rotating rod and a graphite rotating disk, the motor is installed at the upper end of the connecting seat, the lower end of the connecting seat is fixedly connected with the argon gas pipe, the graphite rotating rod is installed in the argon gas pipe, the top end of the graphite rotating rod is connected with an output shaft of the motor through a coupling, the bottom end of the graphite rotating rod extends out of the argon gas pipe, the graphite rotating disk is installed at the bottom end of the graphite rotating disk, and a honeycomb ceramic plate is embedded on the lower end surface of the graphite rotating disk; the graphite rotating rod is internally provided with an airflow channel extending along the rod body of the graphite rotating rod, the airflow channel extends to an argon pipe and is communicated with the argon pipe through a plurality of round holes arranged on the graphite rotating rod, the graphite rotating disk is provided with a through hole, the through hole is communicated with the airflow channel, the honeycomb ceramic sheet is embedded in the through hole, and the honeycomb ceramic sheet is provided with air outlet holes arranged in a honeycomb shape; and an argon inlet is formed in the argon pipe.

3. The high-efficiency degassing apparatus as claimed in claim 2, wherein an oxidation-resistant coating is formed on the surfaces of said graphite rotating rod and said graphite rotating disk.

4. The efficient degassing device as claimed in claim 2, wherein a scouring-resistant and oxidation-resistant ceramic sleeve is mounted at the position of the liquid level of the molten aluminum when the graphite rotating rod works.

5. The high-efficiency degassing device according to claim 2 wherein said graphite rotating disk is provided with 4 stirring blades at equal intervals around its circumference.