CN110142383A - A kind of molten aluminum chute - Google Patents
A kind of molten aluminum chute Download PDFInfo
- Publication number
- CN110142383A CN110142383A CN201910442153.4A CN201910442153A CN110142383A CN 110142383 A CN110142383 A CN 110142383A CN 201910442153 A CN201910442153 A CN 201910442153A CN 110142383 A CN110142383 A CN 110142383A
- Authority
- CN
- China
- Prior art keywords
- chute
- builds
- main body
- molten aluminum
- build
- 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.)
- Pending
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005336 cracking Methods 0.000 abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001257 hydrogen Substances 0.000 abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 230000002401 inhibitory effect Effects 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 206010011376 Crepitations Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/14—Charging or discharging liquid or molten material
- F27D3/145—Runners therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a kind of molten aluminum chutes, build part and second including first for being spliced into chute main body and build part, and the chute fixing piece for fixing the chute main body；Described first, which builds part, is equipped with protrusion for splicing the Mosaic face that second builds part, and described second builds part equipped with the groove with the male cooperation；Described first build part and second build between part splicing seams be located at chute main body inner wall bottom, described first, which builds part and second, builds in splicing seams between part and is equipped with plugging part.Molten aluminum chute provided by the invention eliminates the stress concentration portion position when expansion of existing prefabricated section chute local heating in structure design, the problem of cracking, deformation can effectively be avoided the occurrence of, chute bottom crack is avoided to cause to inhale hydrogen and impurity pollution to melt quality, to raising product quality important in inhibiting.
Description
Technical field
The present invention relates to casting fusant container technical fields, more particularly, to a kind of molten aluminum chute.
Background technique
In aluminum melt production industry, chute is the indispensable infrastructure device of production, for the molten aluminum transfer between equipment and is removed
Molten aluminum transmitting, supply between the process flows such as gas, filtering, casting.Current chute generally uses II type Brown Alundum of RSK- to be poured
Material segmentation pours, and shape is wide at the top and narrow at the bottom, and inner wall is regular half-oval shaped.
Relative to traditional molding molten aluminum chute of one-piece casting, the appearance of prefabricated section chute is in chute development process
One much progress.What is generally used now is exactly prefabricated section chute, as shown in Figure 1, splicing installation after segmentation pouring molding.It is this
Flexibly for easy to maintenance, replacement, cost of manufacture is lower for the main relative advantage of chute, but greatest problem existing for discovery in use
It is still and a series of defects such as cracking, deformation is caused by stress concentration, generally using cracking, deformation, such as Fig. 2 after 15~20 days
Shown in~3.The crackle that prefabricated section chute bottom generates is the most serious, and crack lines irregular and the penetration of fracture pass through whole thick
There is leakage aluminium risk in degree.When safeguarding repairing, it cannot fit like a glove, can repair between material for repairing and chute crack inner wall
Depth about 10mm can be fallen off again after using 3~5 times.The heavy workload of repairing and the material for repairing to fall off and exposed crack
There are the risks of contaminated melt.
Therefore, it is necessary to develop the molten aluminum chute that can be avoided cracking, deformation.
Summary of the invention
The present invention is to overcome the defect of easy cracking, deformation described in the above-mentioned prior art, provides a kind of molten aluminum chute, mentions
The problem of molten aluminum chute of confession uses Novel splicing structure, can effectively avoid the occurrence of cracking, deformation, avoids chute bottom crack
Melt quality is caused to inhale hydrogen and impurity pollution, to raising product quality important in inhibiting.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of molten aluminum chute builds part and second including first for being spliced into chute main body and builds part, and for fixing
The chute fixing piece of the chute main body；
Described first build part for splice second build part Mosaic face be equipped with protrusion, described second build part equipped with it is described convex
Play the groove of cooperation；Described first builds part and the second splicing seams for building between part are located at chute main body inner wall bottom, described
First, which builds part and second, builds and is equipped with plugging part in splicing seams between part.
Inventor is in actual use to the prefabricated section chute discovery for statistical analysis of the prior art: cracking position
It is concentrated mainly on chute bottom, i.e. center of arc position；Secondly chute both ends position is caused due to expanding with heat and contract with cold in the longitudinal direction
It sets warpage, be uneven.When aluminum melt flows in chute, the melt pressure of chute bottom carrying and washing away undoubtedly for aluminum melt
Be the largest, scratch of the slag knife to chute bottom when manual operation in addition, chute bottom occur at first surface fall off, the marks such as slot scraping
As.More importantly the design of former prefabricated section chute model determines that chute bottom is most significant stress concentration point.Chute
The castable thickness change of cross section is big, castable absorb melt heat expand or cool down shrink when, cross section no matter
Deformation occurs in which direction can all cause chute bottom to be cracked, and serious cracking position fracture width can reach 10~12mm, exist
Greatly leakage aluminium risk, and melt hydrogen content is easily caused to rise, influence product quality.Since crack is irregular, patcher feels embarrassed
With carry out, and repairing quality it is difficult to ensure that.Most crackles are using 3~5 crackings that just fall off again after repairing, and repairing increases repeatedly
Add workload, influence production efficiency, is also unfavorable for the stabilization of product quality.
Different from existing prefabricated section chute, molten aluminum chute of the invention is built part and second using cooperation close first and is built
Part is spliced into chute main body and is fixed by chute fixing piece, and splicing seams are located at chute interior walls bottom and using plugging part
It is blocked.The molten aluminum chute eliminates the stress concentration portion when expansion of existing prefabricated section chute local heating in structure design
Position, to solve the problems, such as chute cracking, deformation, using after a certain period of time, inner wall keeps good finish, bottom not to occur
Crackle, only splicing seams slightly increase needs and are simply repaired, do not occur molten aluminum diafiltration.
To sum up, molten aluminum chute of the invention avoids chute bottom from splitting the problem of capable of effectively avoiding the occurrence of cracking, deform
Line causes to inhale hydrogen to melt quality and impurity pollutes, to raising product quality important in inhibiting.
Preferably, the splicing seams are less than or equal to 3mm.
Preferably, the protrusion is semi-cylindrical, and the axis of the protrusion is parallel with the extending direction of the chute main body；
Described second builds the groove of part as the semi-cylindrical shaped with the male cooperation.
Preferably, the groove fits like a glove with protrusion.
Preferably, described first part is built and second to build splicing seams between part be straight line.At this point, splicing seams are straight line, side
Just filling and repairing material is as plugging part, and material for repairing builds part and second with first and builds part and be firmly combined, and further decreases repairing
Workload.
Preferably, the chute fixing piece includes for accommodating the spout enclosure of chute main body, being located at the spout enclosure
It is interior to build part and second for clamping described first and build at least two pieces of limited blocks and the chute pressing plate of part.The chute pressing plate is for pressing
The firmly upper end of chute main body.
Preferably, the limited block is located at two side bottoms in the spout enclosure.
Preferably, dry type impervious material insulating layer is equipped between the chute main body and spout enclosure.Chute main body and chute
It is filled and is consolidated with dry type impervious material between shell, form dry type impervious material insulating layer, preventing first to build part, with second to build part scattered
It opens, and has the function of heat preservation.
Preferably, the spout enclosure, which is adopted, is made of a steel.
Preferably, the chute main body inner wall section vertical with chute main body extending direction is half elliptic.
The plugging part is made of calcium silicate board with microporous and/or asbestos wool.
Described first, which builds part and second, builds part and can construct to obtain with reference to the prior art by those skilled in the art.Specifically,
Following method can be used:
In view of mold machining accuracy and dry drainage performance requirement, first, which builds part and second, builds the casting of part using wooden
Mold.Mold Making desired size is accurate, surface is smooth, curved surface is excessive naturally, especially first builds the protrusion of part and second and build
The groove location of part wants size accurate, guarantees that the two can fit like a glove, the position that die surface is contacted with castable will be applied
Layer processing.
Castable is mixed with industrial pure water according to 8:1, inserts mold after being sufficiently stirred.Then it is smash with vibration tool
Real, until the slurries in castable overflow, extra castable tool removes and equating is suitable for reading；Standing 36 hours, (winter must fit
When extend the time) after demould, demoulding build part spontaneously dry one week；Part will be built after natural drying is placed on preheating furnace together
In, 150 DEG C are slowly increased to 15 DEG C/h by room temperature and keeps the temperature 3~5 hours, keep the temperature 3~5 hours being continuously heating to 350 DEG C, finally
It is warming up to 550 DEG C and keeps the temperature 3 hours, then slow cooling is to being lower than after 100 DEG C cooled to room temperature of coming out of the stove.
Compared with prior art, the beneficial effects of the present invention are:
Molten aluminum chute of the invention builds part and second using cooperation close first and builds part and be spliced into chute main body and pass through
Chute fixing piece is fixed, and splicing seams are located at chute interior walls bottom and are blocked using plugging part.The molten aluminum chute exists
The stress concentration portion position when expansion of existing prefabricated section chute local heating is eliminated in structure design, can effectively be avoided the occurrence of out
The problem of splitting, deforming avoids chute bottom crack from causing to inhale hydrogen and impurity pollution to melt quality, has to product quality is improved
Significance.
Detailed description of the invention
Fig. 1 is the end view of the prefabricated section chute of the prior art.
Fig. 2 is the crack picture of the prefabricated section chute of the prior art.
Fig. 3 is the crack picture of the prefabricated section chute of the prior art.
Fig. 4 builds part and second in the molten aluminum chute of the embodiment of the present invention 1 first and builds the schematic diagram of part.
Fig. 5 builds part and second in the molten aluminum chute of the embodiment of the present invention 1 first and builds the signal that part is spliced into chute main body
Figure.
Fig. 6 is the structural schematic diagram of the molten aluminum chute of the embodiment of the present invention 1.
Specific embodiment
The present invention is further illustrated With reference to embodiment.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation of the instructions such as term " on ", "lower", "left", "right", "top", "bottom", "inner", "outside"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
In addition, if there is the terms such as " first ", " second " to be used for description purposes only, be mainly used for distinguishing different devices,
Element or component (specific type and construction may identical may also be different), is not intended to show or implies indicated fill
It sets, the relative importance and quantity of element or component, and should not be understood as indicating or implying relative importance.
Embodiment 1
A kind of molten aluminum chute is built part 11 and second including first for being spliced into chute main body 1 and is built as shown in figures 4-6
Part 12, and the chute fixing piece 2 for fixed chute main body 1.
First build part 11 for splice second build part 12 Mosaic face 111 be equipped with protrusion 112, second build part 12 equipped with it is convex
Play the groove 113 of 112 cooperations.First builds part 11 and the second splicing seams 13 for building between part 12 are located at 1 inner wall bottom of chute main body,
First, which builds part 11 and second, builds and is equipped with plugging part in splicing seams 13 between part 12.Protrusion 112 is semi-cylindrical, protrusion 112
Axis it is parallel with the extending direction of chute main body 1.Second groove 113 for building part 12 is the semi-cylindrical shaped cooperated with protrusion 112.
Splicing seams 13 positioned at 1 inner wall bottom of chute main body are straight line.Splicing seams 13 are less than or equal to 3mm.Plugging part by calcium silicate board with microporous or
Asbestos wool is made.1 inner wall of the chute main body section vertical with 1 extending direction of chute main body is half elliptic.
Chute fixing piece 2 includes for accommodating the spout enclosure 21 of chute main body 1, is used to clamp in spout enclosure 21
First, which builds part 11 and second, builds at least two pieces of limited blocks 22 and the chute pressing plate 23 of part 12.Limited block 22 is located in spout enclosure 21
Two side bottoms.Chute pressing plate 23 is used to push down the upper end of chute main body 1.Dry type is equipped between chute main body 1 and spout enclosure 21
Impervious Materials insulating layer 24.
The first of the molten aluminum chute of the present embodiment builds part 11 and second and builds part 12 and can be prepared as follows:
In view of mold machining accuracy and dry drainage performance requirement, first, which builds part and second, builds the casting of part using wooden
Mold.Mold Making desired size is accurate, surface is smooth, curved surface is excessive naturally, especially first builds the protrusion of part and second and build
The groove location of part wants size accurate, guarantees that the two can fit like a glove, the pvc pipe that diameter 35mm can be used splits rear mating die
Tool；The position that die surface is contacted with castable will carry out coating treatment.
Castable is mixed with industrial pure water according to 8:1, inserts mold after being sufficiently stirred.Then it is smash with vibration tool
Real, until the slurries in castable overflow, extra castable tool removes and equating is suitable for reading；Standing 36 hours, (winter must fit
When extend the time) after demould, demoulding build part spontaneously dry one week；Part will be built after natural drying is placed on preheating furnace together
In, 150 DEG C are slowly increased to 15 DEG C/h by room temperature and keeps the temperature 3~5 hours, keep the temperature 3~5 hours being continuously heating to 350 DEG C, finally
It is warming up to 550 DEG C and keeps the temperature 3 hours, then slow cooling is to being lower than after 100 DEG C cooled to room temperature of coming out of the stove.
For the molten aluminum chute of the present embodiment after use in 90 days, chute interior walls keep relatively good finish, and bottom does not go out
Existing crackle does not occur chute and upwarps except splicing seams locally have 1~2mm of increase, illustrates that chute bottom does not occur molten aluminum leakage.Increase
Big splicing seams are the straight lines of rule, are easy to fill with material for repairing and chute is firmly combined, eliminate chute bottom crack, are dropped
Low patch work amount.It avoids chute bottom crack from causing to inhale hydrogen and impurity pollution to melt quality, has to product quality is improved
Significance.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (6)
1. a kind of molten aluminum chute, which is characterized in that built including building part (11) and second for being spliced into the first of chute main body (1)
Part (12), and the chute fixing piece (2) for fixing the chute main body (1)；
Described first, which builds part (11), is equipped with raised (112) for splicing the Mosaic face (111) that second builds part (12), and described second builds
Part (12) is equipped with the groove (113) with raised (112) cooperation；Described first, which builds part (11) and second, builds between part (12)
Splicing seams (13) are located at chute main body (1) the inner wall bottom, and described first builds part (11) and second builds spelling between part (12)
Plugging part is equipped in seam (13).
2. molten aluminum chute according to claim 1, which is characterized in that the protrusion (112) is semi-cylindrical, the protrusion
(112) axis is parallel with the extending direction of the chute main body (1)；
Described second groove (113) for building part (12) is the semi-cylindrical shaped cooperated with described raised (112).
3. molten aluminum chute according to claim 1, which is characterized in that be located at the spelling of chute main body (1) the inner wall bottom
Seam (13) is straight line.
4. molten aluminum chute according to claim 1, which is characterized in that the chute fixing piece (2) includes slipping for accommodating
The spout enclosure (21) of groove body (1) is located in the spout enclosure (21) and builds part (11) and second for clamping described first
Build at least two pieces of limited blocks (22) and the chute pressing plate (23) of part (12).
5. molten aluminum chute according to claim 4, which is characterized in that the chute main body (1) and spout enclosure (21) it
Between be equipped with dry type impervious material insulating layer (24).
6. molten aluminum chute according to claim 1, which is characterized in that chute main body (1) inner wall and chute main body (1)
The vertical section of extending direction is half elliptic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442153.4A CN110142383A (en) | 2019-05-24 | 2019-05-24 | A kind of molten aluminum chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442153.4A CN110142383A (en) | 2019-05-24 | 2019-05-24 | A kind of molten aluminum chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110142383A true CN110142383A (en) | 2019-08-20 |
Family
ID=67593282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910442153.4A Pending CN110142383A (en) | 2019-05-24 | 2019-05-24 | A kind of molten aluminum chute |
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| Country | Link |
|---|---|
| CN (1) | CN110142383A (en) |
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