CN206597882U - A kind of high-efficiency degasification casting ladle of optimization design - Google Patents
A kind of high-efficiency degasification casting ladle of optimization design Download PDFInfo
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- CN206597882U CN206597882U CN201720256806.6U CN201720256806U CN206597882U CN 206597882 U CN206597882 U CN 206597882U CN 201720256806 U CN201720256806 U CN 201720256806U CN 206597882 U CN206597882 U CN 206597882U
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- cavity
- casting ladle
- air inlet
- inlet pipe
- optimization design
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Abstract
The utility model discloses a kind of high-efficiency degasification casting ladle of optimization design, including pour involucrum, refractory insulating layer, cavity, air inlet pipe；Air inlet pipe is from the access of cavity bottom surface；In cavity provided with graphite cake by cavity every being divided into two up big and down small sheaf spaces；The small space of lower floor that the upper end of air inlet pipe is stretched into cavity.Have the advantages that structure is simpler, be easier to safeguard, taking that casting ladle cavity space is less, degasification evenly, using effect is more preferable.
Description
Technical field
The utility model belongs to light-alloy field shaping technique, and in particular to a kind of high-efficiency degasification casting ladle of optimization design.
Background technology
In the light-alloy forming technique such as aluminium alloy, purification, degasification, the dehydrogenation of transfer ladle of aluminium alloy are necessary works
Sequence.Common dehydrogenating process has vacuum degassing, inert gas deaeration, ultrasonic activation degasification, standing, gas removal, centrifugation degasification etc..
The depassing unit of wherein conventional inert gas deaeration method is that inert gas is passed through into holding furnace by graphite rotator, and is passed through
The rotation of graphite rotator removes hydrogen and nonmetallic inclusion in aluminium liquid, so as to reach the effect of purification aluminium liquid.However, graphite turns
Son belongs to wearing detail, and service life is short, and maintenance cost is high；And this device requires high to the stationarity of transmission system, otherwise easily
Graphite rotator is fractureed or is collided with and produce damage；In addition, this device is bad due to the uniformity for being passed through inert gas, for pouring
The processing for wrapping the hydrogen and impurity of bottom is still not abundant enough.
A now common class is inert gas using cleaning aluminium alloy, degasification, the transfer ladle of inert gas deaeration method
After being rushed out from four pieces of circular air permeable plates that insertion is poured in tundish vessel from top to bottom with tiny a fluid stream, followed in liquid aluminium
Principle of free energy minimum is floated up, and forms small bubble under surface tension effects at the beginning, but due to tiny bubble surface
Product is big, and surface free energy is big, and more and more big bubble is gathered into quickly and is floated up；At this moment the total surface area of bubble is more and more
It is small, thus degassing effect is worse and worse.Also the height that the aluminium water on transfer ladle churns 100mm or so has been resulted in, significantly
Reduce efficiency.Four pieces of circular air permeable plates are small in bag bottom floor space, and dead angle is more, though aluminium liquid also can lateral flow, gas
Bubble can not flow downward, thus bag bottom can remain some dead angles, influence degassing effect.To bag bottom access four breather pipes be in order to
Evenly, the more more uniform degassing effects of ventilation of breather pipe quantity inserted from the top down in theory are better, but so set for ventilation
Standby to complicate, easy care, does not take intracavitary expensive real estate and air consumption is big.
Therefore, people have invented the technology for being passed directly into inert gas from casting ladle bottom, in the hope of can evenly degasification,
Device structure can be simplified again.
For example：Authorization Notice No. is CN201376075, and one kind is disclosed in the Chinese patent of entitled " novel degassing casting ladle "
Degasification casting ladle, its casting ladle bottom sets logical inert gas installation.The degasification casting ladle sets logical inert gas installation, inertia in bottom
Gas overflows from the device.Rise until at the top of casting ladle, inert gas is fully contacted in casting ladle with aluminium liquid, to greatest extent
Realize the purpose for removing hydrogen in aluminium liquid.
Using the casting ladle of such technology, certain degassing effect is more preferable, but the logical inert gas installation that its casting ladle bottom is set
It is to be spaced apart the inert gas air inlet for being arranged on casting ladle cavity bottom surface, though it is not take up casting ladle cavity space and air inlet setting
When quantity is more also can relatively uniform air inlet, but be limited to casting ladle cavity bottom surface can rationally open amount (open amount is more,
Required supporting adapter piece is more, and opening footpath is also smaller, and air inlet pipe is easily blocked, and equipment cost and maintenance cost are higher), it is passed through
The uniformity of gas is not good enough, maintainability not enough good, using effect is preferable not enough.
Utility model content
To overcome the deficiencies in the prior art, the utility model provides a kind of structure and more simply, easily safeguards, takes casting ladle
Cavity space is less, the high-efficiency degasification casting ladle of the optimization design of degasification evenly.
The utility model is to reach that the technical scheme that above-mentioned technical purpose is used is：A kind of high-efficiency degasification of optimization design
Casting ladle, including pour involucrum, refractory insulating layer, cavity, air inlet pipe；Air inlet pipe is from the access of cavity bottom surface；Stone is provided with cavity
Black plate is by cavity every being divided into two up big and down small sheaf spaces；The small space of lower floor that the upper end of air inlet pipe is stretched into cavity.
Described graphite cake is integrated into by the high purity graphite particle of 0.1-1.5mm particle diameters, graphite cake
Thickness is 10-80mm.
The spatial altitude in the small space of described lower floor is 30-200mm.
Described casting ladle is the casting ladle of cylindrical container shape；Described graphite cake is circular graphitic plate, circular graphitic plate
Diameter is than the big 20-300mm of diameter of cavity, and the circumferential edge edge of circular graphitic plate is embedded in refractory insulating layer；Described air inlet
Pipe is vertically accessed from the circle centre position of cavity bottom surface, and coaxial line is buffered provided with circular between the bottom surface of graphite cake and the bottom surface of cavity
Homogenizing plate, support column of the underrun no less than one of graphite cake is pressed on the top surface of buffering homogenizing plate；The top of air inlet pipe
End is connected with the equal stringing of outlet, the side face of the equal stringing of outlet uniform gather and is provided with multiple ventholes；The equal stringing of outlet
Top with buffer homogenizing plate bottom surface be connected.
The thickness of described buffering homogenizing plate is 3-20mm, buffers a diameter of 100-800mm of homogenizing plate.
The quantity of described support column is 1-8, a diameter of 10-80mm of support column 5；The external diameter of described air inlet pipe is
20-100mm。
The beneficial effects of the utility model are：Due in cavity provided with graphite cake by cavity every being divided into up big and down small two layers
Space；The small space of lower floor that the upper end of air inlet pipe is stretched into cavity.
Therefore, whole casting ladle bottom is without air inlet dead angle, and degasification is uniform.Because using graphite cake, (price of graphite cake is relatively low
It is honest and clean) gas permeability the end channel of the air inlet into cavity has been subjected to maximization uniform subdivision, make bubble more tiny, therefore bubble is poly-
The probability of integrated more air pocket greatly reduces, and can have more tiny bubbles independently to float to liquid level, extends bubble in aluminium liquid
Interior suspension time, the contact area of inert gas and aluminium water is greatly increased, and improves degassing effect.Only connect in structure with one
Pipe, it is easy to operate.When the utility model is transferred to optimal admission pressure in actual applications, the surface of liquid metal can only be seen
To micro, slight shake, aluminium liquid splashing is not produced, is conducive to environmental protection, safety, is saved inert gas, practical application effect is very good.
In summary, there is structure more simply, easily to safeguard, take casting ladle cavity space less, remove for the utility model
The advantage of gas evenly, using effect is more preferable.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.Wherein：
Fig. 1 is schematic diagram of the present utility model.
Marker number in accompanying drawing is described as follows：Pour involucrum 1, it is refractory insulating layer 2, cavity 3, graphite cake 4, support column 5, slow
Rush the equal stringing 8 of homogenizing plate 6, air inlet pipe 7, outlet
Embodiment
Embodiment of the present utility model, as shown in figure 1, a kind of high-efficiency degasification casting ladle of optimization design, including pour involucrum 1,
Refractory insulating layer 2, cavity 3, air inlet pipe 7；Air inlet pipe 7 is from the access of the bottom surface of cavity 3；Graphite cake 4 is provided with cavity 3 by cavity
3 every being divided into two up big and down small sheaf spaces；The small space of lower floor that the upper end of air inlet pipe 7 is stretched into cavity 3.
Described graphite cake 4 is integrated into by the high purity graphite particle of 0.1-1.5mm particle diameters, graphite cake 4
Thickness be 10-80mm.
The spatial altitude in the small space of described lower floor is 30-200mm.
Described casting ladle is the casting ladle of cylindrical container shape；Described graphite cake 4 is circular graphitic plate 4, circular graphitic plate 4
Diameter big 20-300mm of the diameter than cavity 3, the circumferential edge of circular graphitic plate 4 is along being embedded in refractory insulating layer 2；Described
Air inlet pipe 7 is that the circle centre position from the bottom surface of cavity 3 is vertically accessed, and coaxial line is provided between the bottom surface of graphite cake 4 and the bottom surface of cavity 3
Circle buffering homogenizing plate 6, support column 5 of the underrun no less than one of graphite cake 4 is pressed on the top surface of buffering homogenizing plate 6
On；The top of air inlet pipe 7 be connected with the equal stringing 8 of outlet, the side face of the equal stringing 8 of outlet it is uniform gather be provided with it is multiple go out
Stomata；The top of the equal stringing 8 of outlet is connected with buffering the bottom surface of homogenizing plate 6.
The thickness of described buffering homogenizing plate 6 is 3-20mm, buffers a diameter of 100-800mm of homogenizing plate 6.
The quantity of described support column 5 is 1-8, a diameter of 10-80mm of support column 5；The external diameter of described air inlet pipe 7
For 20-100mm.
The setting of buffering homogenizing plate 6 may be such that the unlikely concentration of inert gas being passed through from air inlet pipe 7 blows to the bottom of graphite cake 4
Middle face；The setting of the equal stringing 8 of outlet may be such that inert gas flow is more evenly distributed.
Purification that technology of the present utility model can be applied in all kinds of light metal melting process, degasification, transfer ladle.
The utility model is exemplarily described above in conjunction with accompanying drawing, the correlated measure that is provided in the utility model and
Dimensional parameters are the Optimal Parameters summed up in actual production.Obvious the utility model is implemented not fully by above-mentioned
The limitation of mode, as long as employing the improvement for the various unsubstantialities that the design of the utility model method and technical scheme are carried out,
Or it is not improved by it is of the present utility model design and technical scheme directly apply to other occasions, all should fall in the utility model
Protection domain within.
Claims (6)
1. a kind of high-efficiency degasification casting ladle of optimization design, including pour involucrum, refractory insulating layer, cavity, air inlet pipe；Air inlet pipe be from
The access of cavity bottom surface；It is characterized in that：In cavity provided with graphite cake by cavity every being divided into two up big and down small sheaf spaces；Air inlet
The small space of lower floor that the upper end of pipe is stretched into cavity.
2. a kind of high-efficiency degasification casting ladle of optimization design according to claim 1, it is characterised in that：Described graphite cake is
It is integrated into by the high purity graphite particle of 0.1-1.5mm particle diameters, the thickness of graphite cake is 10-80mm.
3. a kind of high-efficiency degasification casting ladle of optimization design according to claim 2, it is characterised in that：The small sky of described lower floor
Between spatial altitude be 30-200mm.
4. a kind of high-efficiency degasification casting ladle of optimization design according to claim 3, it is characterised in that：Described casting ladle is round
The casting ladle of column container shape；Described graphite cake is circular graphitic plate, diameter big 20- of the diameter than cavity of circular graphitic plate
300mm, the circumferential edge edge of circular graphitic plate is embedded in refractory insulating layer；Described air inlet pipe is the circle centre position from cavity bottom surface
Vertically access, coaxial line is provided with circular buffering homogenizing plate between the bottom surface of graphite cake and the bottom surface of cavity, and the bottom surface of graphite cake leads to
The support column no less than one is crossed to be pressed on the top surface of buffering homogenizing plate；It is uniform that the top of air inlet pipe is connected with outlet
Uniform gather is provided with multiple ventholes on pipe, the side face of the equal stringing of outlet；The top of the equal stringing of outlet and buffering homogenizing plate
Bottom surface is connected.
5. a kind of high-efficiency degasification casting ladle of optimization design according to claim 4, it is characterised in that：Described buffering flows
The thickness of plate is 3-20mm, buffers a diameter of 100-800mm of homogenizing plate.
6. a kind of high-efficiency degasification casting ladle of optimization design according to claim 5, it is characterised in that：Described support column
Quantity is 1-8, a diameter of 10-80mm of support column 5；The external diameter of described air inlet pipe is 20-100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256806.6U CN206597882U (en) | 2017-03-16 | 2017-03-16 | A kind of high-efficiency degasification casting ladle of optimization design |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256806.6U CN206597882U (en) | 2017-03-16 | 2017-03-16 | A kind of high-efficiency degasification casting ladle of optimization design |
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|---|---|
| CN206597882U true CN206597882U (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720256806.6U Expired - Fee Related CN206597882U (en) | 2017-03-16 | 2017-03-16 | A kind of high-efficiency degasification casting ladle of optimization design |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825458A (en) * | 2017-03-16 | 2017-06-13 | 福建省瑞奥麦特轻金属有限责任公司 | A kind of high-efficiency degasification casting ladle of optimization design |
-
2017
- 2017-03-16 CN CN201720256806.6U patent/CN206597882U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825458A (en) * | 2017-03-16 | 2017-06-13 | 福建省瑞奥麦特轻金属有限责任公司 | A kind of high-efficiency degasification casting ladle of optimization design |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 Termination date: 20180316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |