CN213232446U - Device for refining and degassing in aluminum alloy furnace - Google Patents
Device for refining and degassing in aluminum alloy furnace Download PDFInfo
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- CN213232446U CN213232446U CN202021983369.6U CN202021983369U CN213232446U CN 213232446 U CN213232446 U CN 213232446U CN 202021983369 U CN202021983369 U CN 202021983369U CN 213232446 U CN213232446 U CN 213232446U
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Abstract
The utility model discloses a device for refining and degassing in an aluminum alloy furnace, which comprises a gas circuit component and a supporting fork transportation component, wherein the gas circuit component comprises a gas inlet pipe, a plurality of transverse pipe gas circuits communicated with the gas inlet pipe and a plurality of degassing carbon rods arranged on each transverse pipe gas circuit; a gas splitter is arranged between the gas inlet pipe and the gas circuits of the plurality of transverse pipes; the supporting fork conveying assembly comprises a fork warehouse and a supporting rod which supports the air path assembly. The utility model discloses an in evenly getting to transport each degasification carbon-point with inert gas, guarantee that even hydrogen and the oxidation with aluminium liquid inside press from both sides the sediment and detach, when shortening the degasification time, reduced the inert gas quantity, improved concise effect, the degasification is even thorough, has improved product quality, has extensive market perspective.
Description
Technical Field
The utility model relates to a non ferrous metal is smelted and casting equipment field especially relates to a device that is used for concise degasification in the aluminum alloy stove.
Background
With the development of science and technology, the quality requirements of aluminum and aluminum alloy products are higher and higher. During the smelting process of the aluminum alloy, a large amount of oxidation slag inclusion and hydrogen are generated, and the hydrogen content and slag inclusion in the aluminum liquid greatly affect the quality of the aluminum alloy. The strength, plastic deformation performance and final use performance of the aluminum material are directly or indirectly influenced, the solubility of hydrogen in high-temperature aluminum alloy liquid is high, the solubility of hydrogen is rapidly reduced during solidification, and a large amount of hydrogen is separated out during the solidification of aluminum melt, so that casting defects such as a large amount of air holes, looseness and the like are formed in a casting. If degassing treatment is not carried out, the dissolved hydrogen in the alloy liquid is too much, and the casting cannot meet the requirements of customers. Therefore, to obtain a high quality product, it is necessary to try to eliminate these metallurgical defects before casting into castings or ingots for working materials, to increase the level of purity of the melt, and to remove gas and inclusions from the melt.
At present, most of refining degassing devices used in the process are a rotor degassing machine and an online degassing refining system for degassing and refining in the back of a furnace, although the degassing and refining in the back of the furnace have good effects, the online degassing system cannot meet the strict requirements of high-end products with high requirements on hydrogen content, and degassing and refining are required to be carried out in the furnace. The traditional in-furnace degassing device has some problems in the use process. Firstly, the degassing device needs to be manually operated to continuously move back and forth, the labor amount is large, the degassing is not uniform, and the efficiency is low. Secondly, the consumption of nitrogen is large, and the degassing effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device for refining and degassing in an aluminum alloy furnace to solve the problems in the prior art.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a device for refining and degassing in an aluminum alloy furnace, which comprises a gas circuit component and a supporting fork conveying component;
the gas path assembly comprises a gas inlet pipe, a plurality of transverse pipe gas paths communicated with the gas inlet pipe and a plurality of degassing carbon rods arranged on each transverse pipe gas path; a gas splitter is arranged between the gas inlet pipe and the gas circuits of the transverse pipes; the horizontal pipe gas circuit is provided with a vent hole communicated with a degassing carbon rod, a telescopic expansion plate is arranged in the vent hole, the horizontal pipe gas circuit is provided with a pressure measuring hole at the outer side of the vent hole, a push plate matched with the pressure measuring hole is arranged in the pressure measuring hole, the expansion plate penetrates through the side wall of the vent hole and is fixedly connected with a fixed rod, the fixed rod is fixedly connected with the push plate, and a spring is fixedly connected between the push plate and the inner wall of the pressure measuring hole;
the supporting fork conveying assembly comprises a fork warehouse and a supporting rod for supporting the gas path assembly; the fork storehouse fixedly connected with fixed bolster, the fixed bolster is violently managed gas circuit fixed connection with a plurality of.
Preferably, reinforcing rods are fixedly connected among a plurality of transverse pipe air circuits; the horizontal pipe gas circuit is characterized in that a plurality of flow dividing pipes are arranged between the horizontal pipe gas circuit and the gas flow divider, flow dividing plates are arranged in the flow dividing pipes, the flow dividing pipes are divided into a plurality of pipelines which are not communicated by the flow dividing plates, and the number of the horizontal pipe gas circuits is the same as the number of the pipelines which are not communicated in the flow dividing pipes.
Preferably, the number of the support rods is four, the support rods are arranged at four corners of the air path assembly, and the support rods are fixedly connected with the air path of the transverse pipe.
Preferably, the number of the degassing carbon rods is matched with that of the refining furnace.
Preferably, the height difference between the bottom end of the degassing carbon rod and the bottom end of the supporting rod is 5cm.
Preferably, a gas turbine flowmeter is arranged on the air inlet pipe.
The utility model discloses a following technological effect: the utility model discloses a setting up of gas shunt guarantees that the gas that flows into in every violently pipe gas circuit is the same. Utilize the characteristic that the gas pressure who is close to shunt tubes one side will be greater than the gas pressure who keeps away from shunt tubes one side in violently managing the gas circuit simultaneously, make the expansion plate that is close to shunt tubes one side carry out more sheltering from to the air vent, guarantee violently manage under the condition that pressure diminishes gradually in the gas circuit, the expansion plate shelters from the volume to the air vent and also diminishes, the unobstructed degree of air vent is the grow promptly, guarantees to violently manage the gas circuit and is even to the gas distribution volume of each degasification carbon-point. And the utility model discloses a transport the device with fork truck matched with fork storehouse, reduce working strength, reduce the amount of labour.
The utility model discloses an in evenly getting to transport each degasification carbon-point with inert gas, guarantee that even hydrogen and the oxidation with aluminium liquid inside press from both sides the sediment and detach, when shortening the degasification time, reduced the inert gas quantity, improved concise effect, the degasification is even thorough, has improved product quality, has extensive market perspective.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of the refining and degassing apparatus of the present invention;
FIG. 2 is a schematic structural view of the gas circuit assembly of the present invention;
FIG. 3 is a schematic view of the connection structure of the air passage and the degassing carbon rod of the horizontal tube of the present invention;
wherein, 1 is the intake pipe, 2 is violently the pipe gas circuit, 3 is the degasification carbon-point, 4 are the gas shunt, 5 are the air vent, 6 are the expansion plate, 7 are the pressure cell, 8 are the push pedal, 9 are the dead lever, 10 are the spring, 11 are the fork storehouse, 12 are the bracing piece, 13 are fixed bolster, 14 are the stiffener, 15 are the shunt tubes, 16 are the flow distribution plate, 17 are gas turbine flowmeter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-3, the utility model provides a device for refining degassing in aluminum alloy furnace, including gas circuit subassembly and support fork fortune subassembly.
The gas path assembly comprises a gas inlet pipe 1, three transverse pipe gas paths 2 communicated with the gas inlet pipe 1 and three degassing carbon rods 3 arranged on each transverse pipe gas path 2; a gas splitter 4 is arranged between the gas inlet pipe 1 and the three transverse pipe gas circuits 2; the flow dividing pipes 15 are arranged between the three transverse pipe air passages 2 and the air flow divider 4, the flow dividing pipes 15 are internally provided with flow dividing plates 16, the flow dividing plates 16 divide the flow dividing pipes 15 into three pipelines which are not communicated, and the number of the transverse pipe air passages 2 is the same as that of the pipelines which are not communicated in the flow dividing pipes 15. The arrangement of the gas splitter 4 and the shunt tube 15 ensures that the gas flowing into each transverse tube gas circuit 2 is the same. The quantity of degasification carbon-point 3 can carry out the adaptability adjustment according to the size of refining furnace, and 3 equipartitions of degasification carbon-point guarantee to the refining furnace interior aluminium alloy melt thoroughly degasification refine in the refining furnace simultaneously. A gas turbine flowmeter 17 is arranged between the gas inlet pipe 1 and the gas splitter 4, so that the pressure of gas in the gas path assembly is ensured to meet the degassing requirement.
The horizontal pipe gas circuit 2 is provided with a vent hole 5 communicated with the degassing carbon rod 3, a telescopic expansion plate 6 is arranged in the vent hole 5, two symmetrically-arranged pressure measuring holes 7 are formed in the outer side of the vent hole 5 of the horizontal pipe gas circuit 2, a push plate 8 matched with the pressure measuring holes 7 is arranged in the pressure measuring holes 7, the expansion plate 6 penetrates through the side wall of the vent hole 5 and is fixedly connected with a fixed rod 9, the fixed rod 9 is fixedly connected with the push plate 8, and a spring 10 is fixedly connected between the push plate 8 and the inner wall of the pressure measuring hole; pressure cell 7 and violently pipe gas circuit 2 intercommunication, violently the gas of pipe gas circuit 2 gets into in pressure cell 7, promotes push pedal 8 and overcomes the elasticity of spring 10 and move to air vent 5 one side to drive dead lever 9 and expansion plate 6 and to air vent 5 one side motion, expansion plate 6 shelters from air vent 5, reduces gaseous entering. Because the gas pressure who is close to shunt tubes 15 one side in violently managing gas circuit 2 will be greater than the gas pressure who keeps away from shunt tubes 15 one side, so the motion displacement volume of the push pedal 8 that is close to shunt tubes 15 one side also is greater than and keeps away from shunt tubes 15 one side, so the expansion plate 6 that is close to shunt tubes 15 one side also is great to the volume that air vent 5 sheltered from, guarantee to violently manage under the condition that pressure diminishes gradually in the gas circuit 2, expansion plate 6 shelters from the volume to air vent 5 and also diminishes, guarantee to violently manage gas circuit 2 and be even to the gas distribution volume of each degasification carbon-point 3.
The supporting fork conveying assembly comprises a fork warehouse 11 and a supporting rod 12 for supporting the air path assembly; the fork storehouse 11 is fixedly connected with a fixed support 13, and the fixed support 13 fixedly connects the three transverse pipe air circuits 2. The fork storehouse 11 is designed in a lower opening mode, and is convenient for forking when moving; a reinforcing rod 14 is fixedly connected among the three transverse pipe gas circuits 2; the connection strength of the three transverse pipe air circuits 2 is ensured. The number of the support rods 12 is four, the support rods 12 are arranged at four corners of the air path assembly, and the support rods 12 are fixedly connected with the transverse air path 2. The difference of the height of the bottom end of the degassing carbon rod 3 and the bottom end of the supporting rod 12 is 5cm, so that the degassing carbon rod 3 is prevented from contacting the bottom of the refining furnace.
The working process is as follows:
the method comprises the following steps: inert gas is connected to the gas inlet pipe 1, a gas turbine flowmeter 17 is adjusted, and the gas inlet pressure is controlled to be 0.15-0.35 Mpa.
Step two: and opening the furnace door, stopping combustion, measuring the temperature of the aluminum alloy liquid, putting the device into the aluminum liquid of the furnace body by using a forklift when the temperature of the aluminum alloy liquid reaches the set process temperature, and closing the furnace door to start refining.
Step three: after refining, the device is forked out by a forklift, an air source is closed, an air pipe is pulled out, the device is placed in a designated storage place, and refining time is set to be 15-30 Min. The degree of the front needle hole of the furnace is ensured to reach the first grade specified by the JB/T7946.3-2017 standard. The alloy is AC2B aluminum alloy manual degassing and the comparison table of the degassing of the refining degassing device of the utility model is shown in the following table:
can find out through table one, the utility model discloses concise degassing unit is when shortening the degasification time, and the inert gas use amount is reduced to 4.0Kg by single ton product 6.6Kg, has saved inert gas's use amount, has improved concise effect, and the degasification is even thorough, has improved product quality, has extensive market perspective.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. A device for refining and degassing in an aluminum alloy furnace is characterized in that: the device comprises a gas circuit assembly and a supporting fork conveying assembly;
the gas path assembly comprises a gas inlet pipe (1), a plurality of transverse pipe gas paths (2) communicated with the gas inlet pipe (1) and a plurality of degassing carbon rods (3) arranged on each transverse pipe gas path (2); a gas splitter (4) is arranged between the gas inlet pipe (1) and the plurality of transverse pipe gas circuits (2); the horizontal pipe gas circuit (2) is provided with a vent hole (5) communicated with a degassing carbon rod (3), a telescopic expansion plate (6) is arranged in the vent hole (5), the horizontal pipe gas circuit (2) is provided with a pressure measuring hole (7) at the outer side of the vent hole (5), a push plate (8) matched with the pressure measuring hole (7) is arranged in the pressure measuring hole (7), the expansion plate (6) penetrates through the side wall of the vent hole (5) and is fixedly connected with a fixed rod (9), the fixed rod (9) is fixedly connected with the push plate (8), and a spring (10) is fixedly connected between the push plate (8) and the inner wall of the pressure measuring hole (7);
the supporting and forking assembly comprises a fork warehouse (11) and a supporting rod (12) which supports the air path assembly; the fork storehouse (11) is fixedly connected with a fixing support (13), and the fixing support (13) is used for fixedly connecting a plurality of transverse pipe air circuits (2).
2. The apparatus for refining degassing in aluminum alloy furnace according to claim 1, wherein: reinforcing rods (14) are fixedly connected among the plurality of transverse pipe gas circuits (2); a plurality of violently be provided with shunt tubes (15) between pipe gas circuit (2) and gas shunt (4), be provided with flow distribution plate (16) in shunt tubes (15), flow distribution plate (16) are separated into a plurality of not communicating pipeline with shunt tubes (15), the quantity of violently managing gas circuit (2) is the same with not communicating pipeline quantity in shunt tubes (15).
3. The apparatus for refining degassing in aluminum alloy furnace according to claim 1, wherein: the four support rods (12) are arranged, the support rods (12) are arranged at four corners of the air path assembly, and the support rods (12) are fixedly connected with the transverse air path (2).
4. The apparatus for refining degassing in aluminum alloy furnace according to claim 1, wherein: the number of the degassing carbon rods (3) is matched with that of the refining furnace.
5. The apparatus for refining degassing in aluminum alloy furnace according to claim 1, wherein: the height difference between the bottom end of the degassing carbon rod (3) and the bottom end of the supporting rod (12) is 5cm.
6. The apparatus for refining degassing in aluminum alloy furnace according to claim 1, wherein: and a gas turbine flowmeter (17) is arranged on the gas inlet pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021983369.6U CN213232446U (en) | 2020-09-11 | 2020-09-11 | Device for refining and degassing in aluminum alloy furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021983369.6U CN213232446U (en) | 2020-09-11 | 2020-09-11 | Device for refining and degassing in aluminum alloy furnace |
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| CN213232446U true CN213232446U (en) | 2021-05-18 |
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| CN202021983369.6U Active CN213232446U (en) | 2020-09-11 | 2020-09-11 | Device for refining and degassing in aluminum alloy furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007840A (en) * | 2022-06-30 | 2022-09-06 | 中国航发贵州红林航空动力控制科技有限公司 | Hydraulic vibration degassing device for mechanical casting |
-
2020
- 2020-09-11 CN CN202021983369.6U patent/CN213232446U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007840A (en) * | 2022-06-30 | 2022-09-06 | 中国航发贵州红林航空动力控制科技有限公司 | Hydraulic vibration degassing device for mechanical casting |
| CN115007840B (en) * | 2022-06-30 | 2024-03-01 | 中国航发贵州红林航空动力控制科技有限公司 | Hydraulic vibration degassing device for mechanical casting |
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