CN214300292U - Online vacuum degassing device for aluminum liquid - Google Patents
Online vacuum degassing device for aluminum liquid Download PDFInfo
- Publication number
- CN214300292U CN214300292U CN202120280387.6U CN202120280387U CN214300292U CN 214300292 U CN214300292 U CN 214300292U CN 202120280387 U CN202120280387 U CN 202120280387U CN 214300292 U CN214300292 U CN 214300292U
- Authority
- CN
- China
- Prior art keywords
- aluminum liquid
- vacuum
- liquid
- vacuum furnace
- double
- 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
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses an on-line vacuum degassing device for aluminum liquid, which comprises a vacuum furnace, a double-chamber groove and a vacuum pump; the bottom of the vacuum furnace is provided with two concave parts which are respectively connected with a riser tube and a downcomer; the two concave parts are provided with air bricks along the peripheral sides of the riser tube and the downcomer tube; an aluminum liquid launder inlet and an aluminum liquid launder outlet are respectively arranged on two sides of the double-chamber tank; the middle part of the double-chamber groove is provided with a clapboard which divides the double-chamber groove into two groove chambers; the liquid level of the aluminum liquid on one side of the riser tube in the double-chamber tank is higher than that on one side of the downcomer; the vacuum furnace is erected on the double-chamber groove and can move away from or close to the double-chamber groove along the vertical direction, and the riser tube and the downcomer tube respectively extend into the two groove chambers; the vacuum pump is arranged at the top of the vacuum furnace. The utility model discloses a separately set up vacuum furnace and two rooms groove, adjust the interior aluminium liquid molten bath degree of depth of vacuum chamber through the relative height and the vacuum of adjustment vacuum furnace to through to the air brick blowing inert gas control aluminium liquid flow, the degassing is stable efficient.
Description
Technical Field
The utility model belongs to the technical field of relate to the material metallurgy, concretely relates to online vacuum degassing's of aluminium liquid device.
Background
The gas elements in the molten aluminum are mainly hydrogen elements, the content of the hydrogen elements is generally more than 0.35ml/100g, bubbles are precipitated and formed in the process of solidifying the molten aluminum, and casting defects such as pinholes, air holes, looseness and the like can be formed in the cast ingot once the bubbles are captured by the solidification front edge, so that the cast ingot is scrapped or the subsequent processing defects are caused. Casting waste products caused by the fact that the hydrogen concentration of the aluminum liquid exceeds the standard directly or indirectly account for more than 40% of the total amount of the waste products. Along with the wider application range of aluminum alloy products, the requirement on the compactness of the internal structure of the aluminum alloy ingot is higher and higher, and the reduction of the hydrogen content in the molten aluminum plays an important role in improving the quality of the aluminum alloy ingot. In order to reduce the hydrogen content in the aluminum liquid, domestic aluminum processing enterprises use a rotary blowing inert gas degassing device at present, the traditional rotary blowing degassing device is characterized in that a graphite rotor is placed in the aluminum liquid in a runner to blow inert gas, bubbles are broken through the rotary graphite rotor to form bubbles with small sizes, the contact area of the inert gas and the aluminum liquid and the floating time of the bubbles are increased, and the hydrogen partial pressure of the inert bubbles is low, so that hydrogen atoms in the aluminum liquid form hydrogen molecules to enter the inert bubbles, and the bubbles float upwards to be removed, thereby achieving the purpose of removing hydrogen. However, domestic enterprises still need to mix a small amount of toxic gas chlorine in inert gas to ensure higher degassing efficiency in the production of high-end aluminum alloy, so that great potential safety hazards and environmental pollution risks exist, the hydrogen content of aluminum liquid after degassing mainly depends on the hydrogen concentration of the coming aluminum liquid before degassing, the degassing efficiency of the aluminum liquid is unstable, the coming aluminum liquid is pretreated before online degassing, and the process cost and the production period are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems of unstable degassing effect and toxic chlorine gas generated during the production of high-end aluminum alloy in the existing aluminum liquid degassing technology, and providing a stable and efficient aluminum liquid online vacuum degassing device and method, aiming at reducing the hydrogen content in the aluminum liquid before casting and further improving the quality of the internal organization of an aluminum alloy ingot.
In order to solve the above problem, the utility model adopts the following technical scheme:
an on-line vacuum degassing device for aluminum liquid comprises a vacuum furnace, a double-chamber tank and a vacuum pump; the bottom of the vacuum furnace is provided with two concave parts; the two concave parts are respectively connected with a liquid lifting pipe for the aluminum liquid to flow into the vacuum furnace and a liquid discharging pipe for the aluminum liquid to flow out of the vacuum furnace; the two concave parts are provided with air bricks along the peripheral sides of the riser tube and the downcomer tube; an aluminum liquid launder inlet and an aluminum liquid launder outlet are respectively arranged on two sides of the double-chamber groove; the middle part of the double-chamber groove is provided with a clapboard which divides the double-chamber groove into two groove chambers; the liquid level of the aluminum liquid on one side of the riser tube in the double-chamber tank is higher than that of the aluminum liquid on one side of the downcomer tube; the vacuum furnace is erected on the double-chamber groove and can move away from or close to the double-chamber groove along the vertical direction, and the liquid lifting pipe and the liquid dropping pipe respectively extend into the two groove chambers; the vacuum pump is arranged at the top of the vacuum furnace.
Furthermore, the vacuum furnace comprises an upper furnace body and a lower furnace body, and a sealing ring is arranged at the joint of the upper furnace body and the lower furnace body.
Further, the vacuum furnace is also provided with a gas burner.
Furthermore, the top of the vacuum furnace is also connected with an exhaust pipeline, and a hydrogen detector is arranged on the exhaust pipeline.
Further, the air brick is communicated with an inert gas supply system.
Furthermore, the outer side wall of the vacuum furnace is provided with a height adjusting frame for adjusting the height of the vacuum furnace.
Further, the partition plate is made of a refractory material.
The degassing method of the aluminum liquid on-line vacuum degassing device comprises the following steps:
s1: injecting aluminum liquid into the double-chamber tank from an aluminum liquid flow tank inlet, descending the vacuum furnace to ensure that a liquid lifting pipe and a liquid descending pipe of the vacuum furnace are respectively immersed into the aluminum liquid in the double-chamber tank, opening a vacuum pump to vacuumize, ensuring that the air pressure in the vacuum furnace is lower than the external pressure of the vacuum furnace, and ensuring that the aluminum liquid enters the vacuum furnace to start degassing under the action of the air pressure difference between the inside and the outside of the vacuum furnace;
s2: in the aluminium liquid degassing process, a small amount of inert gas is blown through the air brick, to the gas of air brick jetting around stalk and downcomer, the gas flow of air brick jetting around the stalk is greater than the gas flow of air brick jetting around the downcomer, in order to keep two rooms of inslot stalk one side aluminium liquid level highly be higher than downcomer one side, keep the liquid level stable and two rooms of groove intermediate bottom height be higher than two rooms of groove both sides liquid level, the aluminium liquid of two rooms of groove aluminium liquid launder entry one side passes through the stalk and flows into the vacuum furnace, aluminium liquid accomplishes the degassing process in the vacuum furnace, aluminium liquid in the vacuum furnace of flowing through flows into two rooms of groove opposite sides through the downcomer, and flow out through aluminium liquid launder export.
And in the degassing process of the aluminum liquid, controlling the air pressure of the vacuum furnace to be 100-10000 Pa by using a vacuum pump.
In the degassing process of the aluminum liquid, the height from the bottom of the air brick to the liquid level of the aluminum liquid in the vacuum furnace is 0.1-0.5 m.
Wherein, the aluminum liquid is heated by the gas nozzle, and the temperature of the aluminum liquid flowing out of the double-chamber groove from one side of the downcomer is kept at 700-720 ℃.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses utilize aluminium liquid to flow through when in the vacuum chamber aluminium liquid dissolved hydrogen atom to separate out and form hydrogen bubble, hydrogen bubble come-up is got rid of to reach the purpose of degasification. The utility model discloses a separately set up vacuum furnace and two rooms groove, can adjust the interior aluminium liquid molten bath degree of depth of vacuum chamber through the relative height and the vacuum of adjustment vacuum furnace to through to the aluminium liquid flow of a small amount of inert gas control of air brick jetting, guarantee that whole degassing process is stable, and aluminium liquid degassing is efficient. The utility model discloses it is higher that only spout aluminium liquid degassing efficiency under the inert gas's the condition, and aluminium liquid hydrogen concentration does not receive the influence of supplied materials aluminium liquid hydrogen concentration after the degasification, has solved the problem of current degassing method and device "degassing effect unstable", "spout poisonous chlorine when producing high-end aluminum alloy".
Drawings
FIG. 1 is a schematic structural view of an on-line vacuum degassing device for molten aluminum according to the present invention;
in the figure, 1-a vacuum furnace, 11-an upper furnace body, 12-a lower furnace body, 13-a sunken part, 14-a riser tube, 15-a downcomer, 16-a gas permeable brick, 2-a double chamber tank, 21-aluminum liquid, 22-an aluminum liquid flow tank inlet, 23-an aluminum liquid flow tank outlet, 3-a sealing ring, 4-a gas burner, 5-a vacuum pump, 6-a hydrogen measuring instrument, 7-a partition plate and 8-an exhaust pipeline.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in figure 1, the device for on-line vacuum degassing of aluminum liquid comprises a vacuum furnace 1, a double-chamber tank 2 and a vacuum pump 5; the bottom of the vacuum furnace 1 is provided with two concave parts 13; the two sunken parts 13 are respectively connected with a liquid lifting pipe 14 for the aluminum liquid 21 to flow into the vacuum furnace 1 and a liquid dropping pipe 15 for the aluminum liquid 21 to flow out of the vacuum furnace 1; the two concave parts 13 are provided with air bricks 16 along the peripheral sides of the riser tube 14 and the downcomer 15; an aluminum liquid launder inlet 22 and an aluminum liquid launder outlet 23 are respectively arranged at two sides of the double-chamber trough 2; a partition plate 7 is arranged in the middle of the double-chamber groove 2, and the partition plate 7 divides the double-chamber groove 2 into two groove chambers; the liquid level of the aluminum liquid 21 at one side of the riser tube 14 in the double-chamber groove 2 is higher than the horizontal height of the aluminum liquid 21 at one side of the downcomer 15; the vacuum furnace 1 is erected on the double-chamber groove 2 and can move away from or close to the double-chamber groove 2 along the vertical direction, and the riser tube 14 and the downcomer tube 15 respectively extend into the two groove chambers; a vacuum pump 5 is provided at the top of the vacuum furnace 1.
Preferably, in the present embodiment, the vacuum furnace 1 includes an upper furnace body 11 and a lower furnace body 12, and a sealing ring 3 is provided at a joint between the upper furnace body 11 and the lower furnace body 12; 1 inside wall of vacuum furnace generally is refractory material, and the latter half of vacuum furnace 1 generally receives aluminium liquid 21's corruption easily, the utility model discloses be upper portion furnace body 11 and lower part furnace body 12 with 1 split of vacuum furnace, be favorable to dismantling and maintain, the centre sets up sealing washer 3, can be to the better sealed of vacuum furnace 1, prevents in the air admission vacuum furnace 1 after the evacuation.
Preferably, in the present embodiment, a gas burner 4 is further provided in the vacuum furnace 1, and more specifically, the gas burner 4 is provided in the upper furnace body 11 of the vacuum furnace 1. The gas burner 4 is used as a heating device of the aluminum liquid 21 to ensure the temperature of the aluminum liquid 21.
Preferably, in the present embodiment, an exhaust pipe 8 is further connected to the top of the vacuum furnace 1, and the exhaust pipe 8 is provided with a hydrogen meter 6. The hydrogen detector 6 can be started in the whole course of the degassing process of the aluminum liquid 21, and the hydrogen discharge condition can be monitored in real time.
Preferably, in the present embodiment, the apparatus for online vacuum degassing of aluminum liquid further comprises a vacuum pump 5, and the vacuum pump 5 is disposed on the top of the vacuum furnace 1. The vacuum pump 5 can be used for vacuumizing the vacuum furnace 1, the vacuum degree required by the vacuum furnace 1 can be adjusted through the vacuum pump 5, and stable and efficient degassing of the aluminum liquid 21 is guaranteed.
Preferably, in the present embodiment, the gas permeable brick 16 is connected to an inert gas supply system, the gas supply system is connected to the bottom of the gas permeable brick 16 through a pipeline, when gas is introduced to the bottom of the gas permeable brick 16, the inert gas can carry away hydrogen in the aluminum liquid 21, and on the other hand, the flow rate of the aluminum liquid 21 can be adjusted by adjusting the airflow difference between the inert gas at the two sides of the liquid inlet pipe and the lift pipe 14.
Preferably, in the present embodiment, the partition 7 is made of a refractory material.
Preferably, in the present embodiment, a height adjusting bracket is provided on the outer side wall of the vacuum furnace 1 to adjust the height of the vacuum furnace 1. In the present embodiment, the vacuum furnace 1 and the dual chamber 2 are separately designed, and the height of the vacuum furnace 1 is adjusted by the height adjusting frame, that is, the height of the vacuum furnace 1 relative to the dual chamber 2 is adjusted by the height adjusting frame, so as to adjust the liquid level of the molten aluminum 21 in the vacuum furnace 1. The height adjusting frame comprises a circular base, a control box is arranged on the circular base, a plurality of electric telescopic rods are vertically arranged at the top of the circular base along the circumferential direction, and the electric telescopic rods are fixedly connected with the vacuum furnace 1. Of course, in other embodiments, the height adjustment structure may be any structure that can achieve height adjustment of the vacuum furnace 1.
The utility model discloses a so can realize under the condition of real empty room and the separation of two rooms 2 that aluminium liquid 21 gets into vacuum furnace 1 from stalk 14, flow out from downcomer 15 again, and can the circulation flow because to vacuum furnace 1 in the evacuation and to letting in inert gas in the air brick 16, after the evacuation, under the effect of vacuum furnace 1 internal and external pressure difference, aluminium liquid 21 gets into in vacuum furnace 1 from two rooms 2, and the liquid level height of aluminium liquid 21 of stalk 14 one side is higher than the aluminium liquid 21 horizontal height of downcomer 15 one side in two rooms 2, it can form the siphon effect, the siphon effect is for providing aluminium liquid 21 circulation power, and blow in inert gas in the air brick 16 bottom, inert gas is through pipe connection to air brick 16 bottom, inert gas blows into aluminium liquid 21 from air brick 16 bottom, upwards appear the liquid level under the buoyancy, except that hydrogen, still drive the aluminium liquid 21 in stalk 14 and the downcomer 15 to the come-up, and the gas flow that 16 jetting of porous brick through setting up around stalk 14 is greater than the gas flow that 16 jetting of porous brick around downcomer 15, because the gas flow of stalk 14 one side is bigger, so stalk 14 one side drives aluminium liquid 21 flow bigger, lead to the liquid level in the vacuum furnace 1 of stalk 14 one side higher, form the liquid level potential difference, under the effect of liquid level potential difference, aluminium liquid 21 is convenient for flow, consequently aluminium liquid 21 can circulate at the vacuum rate, can the degasification.
The utility model discloses a relative height and the vacuum of adjustment vacuum furnace 1 adjust the interior aluminium liquid 21 molten bath degree of depth of vacuum chamber, and adjust aluminium liquid 21 flow through to a small amount of inert gas of air brick 16 jetting, the gas flow who keeps 16 jetting of air brick around lift tube 14 is greater than the gas flow who keeps 16 jetting of air brick around downcomer 15, in order to guarantee that the liquid level is stable and two 2 intermediate bottom plate of chamber groove 7 highly are higher than two 2 both sides liquid levels of chamber groove, it is higher than 15 one side of downcomer to keep two chamber 2 interior lift tube 14 one side aluminium liquid level of chamber groove to be higher than, make whole degassing process stable, and aluminium liquid 21 degassing is efficient. Meanwhile, on the premise of ensuring that the flow of the gas blown by the gas permeable bricks 16 surrounding the riser tube 14 is larger than the flow of the gas blown by the gas permeable bricks 16 surrounding the downcomer 15, the flow and the flow rate of the whole aluminum liquid 21 can be adjusted by adjusting the blowing amount of the inert gas.
The aluminum liquid on-line vacuum degassing device is used for degassing, and the degassing method comprises the following steps:
s1: injecting aluminum liquid 21 into the double-chamber groove 2 from an aluminum liquid flow groove inlet 22, descending the vacuum furnace 1, enabling a liquid lifting pipe 14 and a liquid dropping pipe 15 of the vacuum furnace 1 to be respectively immersed into the aluminum liquid 21 of the double-chamber groove 2, opening a vacuum pump 5 for vacuumizing, enabling the air pressure in the vacuum furnace 1 to be lower than the external pressure of the vacuum furnace 1, and enabling the aluminum liquid 21 to enter the vacuum furnace 1 to start degassing under the action of the air pressure difference between the inside and the outside of the vacuum furnace 1;
s2: in the degassing process of the aluminum liquid 21, a small amount of inert gas is blown through the gas permeable bricks 16, the gas blown to the gas permeable bricks 16 surrounding the riser pipe 14 and the downcomer 15, the gas flow blown to the gas permeable bricks 16 surrounding the riser pipe 14 is larger than the gas flow blown to the gas permeable bricks 16 surrounding the downcomer 15, so that the liquid level of the aluminum liquid 21 on one side of the riser pipe 14 in the double-chamber groove 2 is higher than that on one side of the downcomer 15, the liquid level is kept stable, the height of the middle partition plate 7 of the double-chamber groove 2 is higher than that on two sides of the double-chamber groove 2, the aluminum liquid 21 on one side of the aluminum liquid launder inlet 22 of the double-chamber groove 2 flows into the vacuum furnace 1 through the riser pipe 14, the degassing process of the aluminum liquid 21 in the vacuum furnace 1 is completed, and the aluminum liquid 21 flowing through the vacuum furnace 1 flows into the other side of the double-chamber groove 2 through the downcomer 15 and flows out through the aluminum liquid outlet 23. In the whole degassing process, the air pressure of the vacuum furnace 1 is controlled to be 8000Pa by a vacuum pump 5. The height from the bottom of the air brick 16 to the liquid level of the aluminum liquid 21 in the vacuum furnace 1 is 0.3 m. The aluminum liquid 21 is heated by the gas nozzle, and the temperature of the aluminum liquid 21 flowing out of the double-chamber groove 2 from one side of the downcomer 15 is kept at 710 ℃.
Example 2
The aluminum liquid on-line vacuum degassing device in the embodiment 1 is adopted for degassing, and the degassing method comprises the following steps:
s1: injecting aluminum liquid 21 into the double-chamber groove 2 from an aluminum liquid flow groove inlet 22, descending the vacuum furnace 1, enabling a liquid lifting pipe 14 and a liquid dropping pipe 15 of the vacuum furnace 1 to be respectively immersed into the aluminum liquid 21 of the double-chamber groove 2, opening a vacuum pump 5 for vacuumizing, enabling the air pressure in the vacuum furnace 1 to be lower than the external pressure of the vacuum furnace 1, and enabling the aluminum liquid 21 to enter the vacuum furnace 1 to start degassing under the action of the air pressure difference between the inside and the outside of the vacuum furnace 1;
s2: in the degassing process of the aluminum liquid 21, a small amount of inert gas is blown through the gas permeable bricks 16, the gas blown to the gas permeable bricks 16 surrounding the riser pipe 14 and the downcomer 15, the gas flow blown to the gas permeable bricks 16 surrounding the riser pipe 14 is larger than the gas flow blown to the gas permeable bricks 16 surrounding the downcomer 15, so that the liquid level of the aluminum liquid 21 on one side of the riser pipe 14 in the double-chamber groove 2 is higher than that on one side of the downcomer 15, the liquid level is kept stable, the height of the middle partition plate 7 of the double-chamber groove 2 is higher than that on two sides of the double-chamber groove 2, the aluminum liquid 21 on one side of the aluminum liquid launder inlet 22 of the double-chamber groove 2 flows into the vacuum furnace 1 through the riser pipe 14, the degassing process of the aluminum liquid 21 in the vacuum furnace 1 is completed, and the aluminum liquid 21 flowing through the vacuum furnace 1 flows into the other side of the double-chamber groove 2 through the downcomer 15 and flows out through the aluminum liquid outlet 23. In the whole degassing process, the air pressure of the vacuum furnace 1 is controlled to 10000Pa by a vacuum pump 5. The height from the bottom of the air brick 16 to the liquid level of the aluminum liquid 21 in the vacuum furnace 1 is 0.1 m. The aluminum liquid 21 is heated by the gas nozzle, and the temperature of the aluminum liquid 21 flowing out of the double-chamber groove 2 from one side of the downcomer 15 is kept at 720 ℃.
Example 3
The aluminum liquid on-line vacuum degassing device in the embodiment 1 is adopted for degassing, and the degassing method comprises the following steps:
s1: injecting aluminum liquid 21 into the double-chamber groove 2 from an aluminum liquid flow groove inlet 22, descending the vacuum furnace 1, enabling a liquid lifting pipe 14 and a liquid dropping pipe 15 of the vacuum furnace 1 to be respectively immersed into the aluminum liquid 21 of the double-chamber groove 2, opening a vacuum pump 5 for vacuumizing, enabling the air pressure in the vacuum furnace 1 to be lower than the external pressure of the vacuum furnace 1, and enabling the aluminum liquid 21 to enter the vacuum furnace 1 to start degassing under the action of the air pressure difference between the inside and the outside of the vacuum furnace 1;
s2: in the degassing process of the aluminum liquid 21, a small amount of inert gas is blown through the gas permeable bricks 16, the gas blown to the gas permeable bricks 16 surrounding the riser pipe 14 and the downcomer 15, the gas flow blown to the gas permeable bricks 16 surrounding the riser pipe 14 is larger than the gas flow blown to the gas permeable bricks 16 surrounding the downcomer 15, so that the liquid level of the aluminum liquid 21 on one side of the riser pipe 14 in the double-chamber groove 2 is higher than that on one side of the downcomer 15, the liquid level is kept stable, the height of the middle partition plate 7 of the double-chamber groove 2 is higher than that on two sides of the double-chamber groove 2, the aluminum liquid 21 on one side of the aluminum liquid launder inlet 22 of the double-chamber groove 2 flows into the vacuum furnace 1 through the riser pipe 14, the degassing process of the aluminum liquid 21 in the vacuum furnace 1 is completed, and the aluminum liquid 21 flowing through the vacuum furnace 1 flows into the other side of the double-chamber groove 2 through the downcomer 15 and flows out through the aluminum liquid outlet 23. In the whole degassing process, the air pressure of the vacuum furnace 1 is controlled to be 100Pa by a vacuum pump 5. The height from the bottom of the air brick 16 to the liquid level of the aluminum liquid 21 in the vacuum furnace 1 is 0.5 m. The aluminum liquid 21 is heated by the gas nozzle, and the temperature of the aluminum liquid 21 flowing out of the double-chamber groove 2 from one side of the downcomer 15 is kept at 700 ℃.
Degassing effect:
1. after the degassing is started, the hydrogen concentration change value of the molten aluminum detected by the hydrogen detector at intervals of 1-2 hours is as shown in the following table 1:
TABLE 1
2. After degassing is started, detecting the hydrogen concentration of the aluminum liquid at the incoming feed (namely the hydrogen concentration of the aluminum liquid at the inlet of the aluminum liquid launder) at intervals of 1-2 hours, and obtaining the following results in table 2:
TABLE 2
3. After degassing is started, the hydrogen concentration of the degassed aluminum liquid (namely the hydrogen concentration of the aluminum liquid at the outlet of the aluminum liquid launder) is detected at intervals of 1-2 hours, and the results are as follows:
TABLE 3
As can be seen from the above tables 1 and 3, the method for removing the gas from the aluminum liquid on line has high efficiency and is stable. As can be seen from the tables 2 and 3, no matter how much the hydrogen concentration of the aluminum liquid is fed, the hydrogen concentration of the aluminum liquid is in a qualified range after the hydrogen is removed by the online aluminum liquid degassing method, and the hydrogen removal effect of the utility model is good.
Although the present invention has been described with reference to the above embodiments, it is not intended to limit the present invention, and those skilled in the art can make modifications and improvements without departing from the spirit and scope of the present invention.
Claims (8)
1. An on-line vacuum degassing device for aluminum liquid is characterized by comprising a vacuum furnace, a double-chamber tank and a vacuum pump; the bottom of the vacuum furnace is provided with two concave parts; the two concave parts are respectively connected with a liquid lifting pipe for the aluminum liquid to flow into the vacuum furnace and a liquid discharging pipe for the aluminum liquid to flow out of the vacuum furnace; the two concave parts are provided with air bricks along the peripheral sides of the riser tube and the downcomer tube; an aluminum liquid launder inlet and an aluminum liquid launder outlet are respectively arranged on two sides of the double-chamber groove; the middle part of the double-chamber groove is provided with a clapboard which divides the double-chamber groove into two groove chambers; the liquid level of the aluminum liquid on one side of the riser tube in the double-chamber tank is higher than that of the aluminum liquid on one side of the downcomer tube; the vacuum furnace is erected on the double-chamber groove and can move away from or close to the double-chamber groove along the vertical direction, and the liquid lifting pipe and the liquid dropping pipe respectively extend into the two groove chambers; the vacuum pump is arranged at the top of the vacuum furnace.
2. The on-line vacuum degassing device for aluminum liquid as recited in claim 1, characterized in that: the vacuum furnace comprises an upper furnace body and a lower furnace body, and a sealing ring is arranged at the joint of the upper furnace body and the lower furnace body.
3. The on-line vacuum degassing device for aluminum liquid as claimed in claim 1, wherein the vacuum furnace is further provided with a gas burner.
4. The on-line vacuum degassing device for aluminum liquid as recited in claim 1, characterized in that: the top of the vacuum furnace is also connected with an exhaust pipeline, and a hydrogen detector is arranged on the exhaust pipeline.
5. The apparatus for in-line vacuum degassing of aluminum liquid as defined in claim 1, wherein said gas permeable brick is connected to an inert gas supply system.
6. The on-line vacuum degassing device for aluminum liquid as claimed in claim 1, wherein a height adjusting rack is arranged on the outer side wall of the vacuum furnace for adjusting the height of the vacuum furnace.
7. The on-line vacuum degassing device for aluminum liquid as defined in claim 6, wherein said height adjusting frame comprises a circular base, said circular base is provided with a control box, the top of said circular base is vertically provided with a plurality of electric telescopic rods along the circumferential direction, said electric telescopic rods are fixedly connected with said vacuum furnace.
8. The apparatus for the on-line vacuum degassing of aluminum liquid as claimed in claim 1, wherein said partition plate is made of refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120280387.6U CN214300292U (en) | 2021-02-01 | 2021-02-01 | Online vacuum degassing device for aluminum liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120280387.6U CN214300292U (en) | 2021-02-01 | 2021-02-01 | Online vacuum degassing device for aluminum liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214300292U true CN214300292U (en) | 2021-09-28 |
Family
ID=77831875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120280387.6U Active CN214300292U (en) | 2021-02-01 | 2021-02-01 | Online vacuum degassing device for aluminum liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214300292U (en) |
-
2021
- 2021-02-01 CN CN202120280387.6U patent/CN214300292U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201021457Y (en) | Hydrogen removal device for aluminum smelting body | |
| CN101781712B (en) | Runner type online degassing device | |
| CN204417564U (en) | A kind of rotary crystallizer of esr | |
| CN212560398U (en) | Aluminum alloy melting vacuum dynamic refining device | |
| CN201077859Y (en) | Online gas removal filtrating mechanism | |
| CN206405401U (en) | A kind of air blowing device for deoxidizing applied to upward-casting process | |
| CN214300292U (en) | Online vacuum degassing device for aluminum liquid | |
| CN114369734A (en) | Aluminum alloy smelting refining degassing method | |
| CN101768671B (en) | Vertex angle combined blowing type aluminum melt degassing method and device | |
| CN112941337A (en) | Device and method for online vacuum degassing of aluminum liquid | |
| RU2371522C1 (en) | Electrolytic cell for receiving of lithium | |
| CN210085544U (en) | Online refining device for molten aluminum | |
| CN214417608U (en) | Aluminum liquid flow groove for casting aluminum-type parts | |
| CN214047548U (en) | On-spot jar of papermaking method reconstituted tobacco coating liquid | |
| CN214597387U (en) | Alcohol precipitation tank with limiting function | |
| CN210796587U (en) | Aluminum liquid degassing device with bottom air inlet | |
| CN209174878U (en) | A kind of online depassing unit of air injection machine | |
| CN210065872U (en) | Atmosphere protective cover of electroslag furnace | |
| CN207828390U (en) | A kind of aluminium casting degasification tank | |
| CN106544536B (en) | A kind of magnesium alloy fused mass continuous liquid supply purifier and purification technique | |
| CN205893361U (en) | Aluminium melt degassing tank that removes gred on line | |
| CN215137392U (en) | Self-deslagging tubular filter for filtering and deslagging of metal melt | |
| CN206692751U (en) | The device of copper powder dissolution velocity in a kind of quickening the anode mud of copper electroplating | |
| CN201411481Y (en) | Bottom wall blowing aluminum melt degassing and purification device with mechanical agitation | |
| CN206373332U (en) | A kind of complex deoxidization device applied to upward-casting process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |