CN203075728U - Inverse dual-stage aluminum liquid filtering device - Google Patents
Inverse dual-stage aluminum liquid filtering device Download PDFInfo
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- CN203075728U CN203075728U CN2013200559191U CN201320055919U CN203075728U CN 203075728 U CN203075728 U CN 203075728U CN 2013200559191 U CN2013200559191 U CN 2013200559191U CN 201320055919 U CN201320055919 U CN 201320055919U CN 203075728 U CN203075728 U CN 203075728U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses an inverse dual-stage aluminum liquid filtering device, and belongs to the technical field of metallurgy. The inverse dual-stage aluminum liquid filtering device comprises an aluminum liquid filtering channel, a first-stage ceramic filtering plate and a second-stage ceramic filtering plate, which are sequentially and horizontally arranged in the aluminum liquid filtering channel along the aluminum liquid flow direction; and the aluminum liquid passes through the first-stage ceramic filtering plate from top to bottom and passes through the second-stage ceramic filtering plate from bottom to top. According to the utility model, the aluminum liquid is subjected to dual-stage filtering through the device under a specific technology condition, and ascends at the second-stage ceramic filtering plate, and passes through the filtering plate, and a good filtering effect is achieved by utilizing the gravity influence effectively, and the obtained aluminum liquid has high purity. An internal spiral pipe is adopted for the filtering channel, so that the aluminum liquid advances rotatably and passes through the second-stage filtering plate, so that small particles rotate and are collected to form large particles, and the large particles subside to the bottom of the filtering channel, and the filtering effect is improved. The inverse dual-stage aluminum liquid filtering device provided by the utility model is simple in structure, has the good filtering effect, is low in implementation cost, and can be used for replacing existing single-pole filtering devices and an aluminum liquid on-line treatment technique with high cost.
Description
Technical field
The utility model includes non-ferrous metal melting and casting technical field, particularly a kind of filter plant of aluminium water and filter method.
Background technology
Fierce day by day along with market competition, more and more higher to the quality requirement of aluminium product, improve the quality of aluminium product, at first to improve the quality of aluminium ingot casting.One of principal element that influences the aluminium ingot quality is that existing impurity can't effectively be removed in the aluminum melt, these impurity have worsened the cast sturcture of ingot casting, metallic continuity and compactness have been destroyed, cause defectives such as ingot casting is loose, pore, slag inclusion, thereby reduced the processing characteristics and the serviceability of aluminium, had a strong impact on the quality of aluminium product.
For improving quality of ingot aluminum, purify aluminum melt most critical, most important but also the most difficult.Need before the casting of aluminium water, to utilize filter that it is carried out filter cleaner, at present, more typical simple filtering device is box single-stage or double-stage filtering device, in this filter, aluminium water all is along same direction level or passes through filter from top to bottom, poor filtration effect, filter pressure is less, can not reach good slagging-off effect.For improving filter effect, multiple aluminium water filtration technology has appearred, wherein, the online treatment technology of aluminium water is comparatively popular, as external MINT, SNIF, ALPUR etc., these technology can guarantee that the aluminium water that enters crystallizer is handled equably, can effectively improve the degree of purity and the quality homogeneity of aluminium ingot.Domestic PPF also has effect preferably.In addition, more representational in the aluminium water filtering device also have tubular filter and Ceramic Balls filter, but all there is certain deficiency in they, to granularity smaller particles contaminant filter poor effect.
Therefore, need a kind of preferable aluminium water filtration process of research and aluminium water filtering device, a kind ofly can will play better effect and can improve the new road that the aluminium ingot quality can reduce production costs again the purified aluminium melt to explore with good slagging-off effect.Be suitable for adopting short flow process (promptly adopt electrolytic aluminium liquid directly but not adopt the remelting of electrolysis aluminium ingot) to prepare the cleaning molten treatment process technology of aluminium ingot.
The utility model content
In view of this, the utility model provides a kind of aluminium water reverse double-stage filtering device, the first order of this device is forward filter from the top down, mainly be that density is less, that size is thick impurity and slag inclusion filters out, and the second level is to utilize the internal thread tube wall to form the reverse filtration of aluminium water turbulence from bottom to top, granule foreign rotation in the aluminium water is assembled, formed larger particles and utilize gravity automatic sedimentation, effectively solve prior art and can't satisfy the technical problem that improves filter effect and reduce cost simultaneously.
The utility model solves the problems of the technologies described above by following technological means:
The utility model at first provides a kind of aluminium water reverse double-stage filtering device, comprise aluminium water filtration passage, be horizontally placed on one-level ceramic filter plate and secondary ceramic filter plate in the aluminium water filtration passage successively along the aluminium current direction removably, described aluminium water is from top to bottom by the one-level ceramic filter plate, and aluminium water is from the bottom to top by the secondary ceramic filter plate.
Further, the entry position of described aluminium water filtration passage is higher than its exit position 15-50mm.
Further, described aluminium water filtration passage is an inner helix pipe.
Further, the bottom of described aluminium water filtration passage is provided with the slag-drip opening of releasing.
Further, be positioned at the slag-drip opening place of releasing in the described aluminium water filtration passage and be provided with carbon electrode bar.
Further, described filter also comprises the pressure ring that is arranged at secondary ceramic filter plate top removably, and described pressure ring is made of two semi-rings.
Further, described aluminium water filtration passage forms the U-shaped structure by aluminium water descending branch and aluminium water ascent stage, and described one-level ceramic filter plate is arranged in the aluminium water descending branch, and described secondary ceramic filter plate was arranged in the aluminium water ascent stage.
Further, also comprise the aluminium water flow grooves that is arranged at aluminium water filtration feeder connection end, the cross-sectional area of described aluminium water filtration passage is 2-4 a times of aluminium water flow grooves cross-sectional area.
In addition, the utility model also provides a kind of aluminium water reverse double-stage filtering method, this method is: at first allow aluminium water from top to bottom by a ceramic filter plate, and then from the bottom to top by another ceramic filter plate, the temperature of described aluminium water is controlled at 690-780 ℃, and aluminium discharge is not more than 550kg/min.
Further, the type of flow of described aluminium water is a rotational flow.
The beneficial effects of the utility model: reverse double-stage filtering method of aluminium water of the present utility model and filter have the following advantages:
1) the utility model adopts bipolar filtration, the first order can filter out the bigger impurity particle of granularity in the aluminium water, the second level can filter out the less impurity particle of granularity in the aluminium water, good filtration effect, and under specific process conditions, make ceramic filter plate reach best filter effect, gained aluminium water degree of purity is higher;
2) the utility model adopts bipolar reverse filtration, by filter, can make less granule foreign at secondary ceramic filter plate place aluminium liter waterborne under the influence of gravity, further improves filter effect;
3) filtration channel adopts inner helix pipe that the rotation of aluminium water is advanced and from bottom to top by the secondary ceramic filter plate, makes less particle rotation gathering become bigger particles settling to the filtration channel bottom, improves filter effect;
4) aluminium water filtration passage adopts import height, the low structure of outlet, can make aluminium water form suitable pressure reduction in filtration channel and flow forward, and power need not additionally be provided, and effectively keeps filter pressure;
5), further improve the slagging-off effect by the adsorbable most of refractory particle of carbon electrode bar.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is a main pseudosection of the present utility model;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the vertical view of Fig. 2.
The specific embodiment
Below with reference to accompanying drawing the utility model is elaborated, as shown in the figure: the reverse double-stage filtering device of the aluminium water of present embodiment, comprise aluminium water filtration passage 1, be horizontally placed on one-level ceramic filter plate 2 and secondary ceramic filter plate 3 in the aluminium water filtration passage 1 successively along the aluminium current direction removably, two detachable being fixed in the aluminium water filtration passage 1 of ceramic filter plate, so that change at any time, be provided for preventing the limited step 8 of one-level ceramic filter plate 2 whereabouts on the inwall of aluminium water filtration passage 1, secondary ceramic filter plate 3 tops are provided with the pressure ring 7 that blocks secondary ceramic filter plate 3, described pressure ring 7 is made of two semi-rings, make by refractory material, be convenient to dismounting, to be convenient for changing ceramic filter plate, described aluminium water filters out the bigger particle of granularity by one-level ceramic filter plate 2 from top to bottom, aluminium water filters out the granularity smaller particles by secondary ceramic filter plate 3 from the bottom to top, can select the specification of each ceramic filter plate according to actual needs, the detachable connection between ceramic filter plate and the aluminium water filtration passage is so that be convenient to change and cleaning.Owing to adopt double-stage filtering, and cascade filtration plate place aluminium water serves as reasons and flows down to last, can make full use of the gravity effect and make granule assemble sedimentation, and filter effect is preferable.
As further improvement in the technical proposal, the entry position of described aluminium water filtration passage 1 is higher than its exit position 15-50mm, makes the aluminium water of the arrival end and the port of export form pressure reduction, and filter pressure is remained in the preferred range, improves filter effect.
As further improvement in the technical proposal, described aluminium water filtration passage 1 is the inside spin pipeline, aluminium water rotation is advanced and from bottom to top by the secondary ceramic filter plate, less particle rotation is assembled becomes bigger particles settling to the filtration channel bottom, improves filter effect.
As further improvement in the technical proposal, described aluminium water filtration passage 1 is provided with the slag-drip opening 4 of releasing, be convenient to deslagging and remove aluminium water in the filtration channel when not using, the described slag-drip opening 4 of releasing is arranged at the bottom of aluminium water filtration passage 1, because the large granular impurity of assembling will be settled down to the filtration channel bottom, in this position the slag-drip opening of releasing is set, is convenient to deslagging more and removes aluminium water.
As further improvement in the technical proposal, be positioned at slag-drip opening 4 places of releasing in the described aluminium water filtration passage 1 and be provided with the carbon electrode bar 5 that is used to adsorb refractory particle, be positioned at the slag-drip opening place electrode bar is set, be convenient to cleaning.
As further improvement in the technical proposal, described aluminium water filtration passage 1 forms the U-shaped structure by aluminium water descending branch 1a and aluminium water ascent stage 1b, adopt the U-shaped transition, aluminium water flows stable, avoid occurring turbulent flow and influence its rotation, described one-level ceramic filter plate 2 is arranged in the aluminium water descending branch 1a, and described secondary ceramic filter plate 3 is arranged in the aluminium water ascent stage 1b.
As further improvement in the technical proposal, also comprise the aluminium water flow grooves 6 that is arranged at aluminium water filtration passage 1 arrival end, the cross-sectional area of described aluminium water filtration passage 1 is 2-4 a times of aluminium water flow grooves 6 cross-sectional areas, can select according to the rate of filtration.
Adopt said apparatus to implement the reverse double-stage filtering method of aluminium water, aluminium water filtered:
Embodiment 1:
At first allow aluminium water from top to bottom by a ceramic filter plate, and then from the bottom to top by another ceramic filter plate, aluminium water rotation is advanced under the effect of inside spin filtration channel, and the temperature of described aluminium water is controlled at 690 ℃, and aluminium discharge is controlled at 450kg/min.
Embodiment 2:
At first allow aluminium water from top to bottom by a ceramic filter plate, and then from the bottom to top by another ceramic filter plate, the rotation of aluminium water is advanced under the effect of inside spin filtration channel, the temperature of aluminium water is controlled at 720 ℃, aluminium discharge is controlled at 500kg/min.
Embodiment 3:
At first allow aluminium water from top to bottom by a ceramic filter plate, and then from the bottom to top by another ceramic filter plate, the rotation of aluminium water is advanced under the effect of inside spin filtration channel, and the aluminium coolant-temperature gage is controlled at 750 ℃, aluminium discharge is controlled at 550kg/min.
Each carries out 10 times to aluminium water and filters by embodiment 1,2,3 respectively, to the validity check that removes the gred of the aluminium water after filtering, the method of inspection is: sample mold is of a size of 75mm * 135mm * 30mm, the casting sample gets aluminium ingot casting sample, sample used to send into after the diamond polishing carry out anodized in the sulfuric acid tank, appear slag inclusion, make it be easy to identification, statistics is mingled with quantity.Defectives such as loosening all appears in the gained sample, pore, slag inclusion.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. reverse double-stage filtering device of aluminium water, it is characterized in that: comprise aluminium water filtration passage (1), be horizontally placed on aluminium water filtration passage (1) interior one-level ceramic filter plate (2) and secondary ceramic filter plate (3) successively along the aluminium current direction removably, described aluminium water is from top to bottom by one-level ceramic filter plate (2), and aluminium water is from the bottom to top by secondary ceramic filter plate (3).
2. the reverse double-stage filtering device of aluminium water according to claim 1 is characterized in that: the entry position of described aluminium water filtration passage (1) is higher than its exit position 15-50mm.
3. the reverse double-stage filtering device of aluminium water according to claim 2 is characterized in that: described aluminium water filtration passage (1) is the inside spin pipeline.
4. the reverse double-stage filtering device of aluminium water according to claim 3 is characterized in that: the bottom of described aluminium water filtration passage (1) is provided with the slag-drip opening of releasing (4).
5. the reverse double-stage filtering device of aluminium water according to claim 4 is characterized in that: be positioned at the slag-drip opening of releasing (4) in the described aluminium water filtration passage (1) and locate to be provided with carbon electrode bar (5).
6. the reverse double-stage filtering device of aluminium water according to claim 5 is characterized in that: also comprise the pressure ring (7) that is arranged at secondary ceramic filter plate (3) top removably, described pressure ring (7) is made of two semi-rings.
7. according to any reverse double-stage filtering device of described aluminium water of claim 1-6, it is characterized in that: described aluminium water filtration passage (1) forms the U-shaped structure by aluminium water descending branch (1a) and aluminium water ascent stage (1b), described one-level ceramic filter plate (2) is arranged in the aluminium water descending branch (1a), and described secondary ceramic filter plate (3) was arranged in the aluminium water ascent stage (1b).
8. the reverse double-stage filtering device of aluminium water according to claim 7, it is characterized in that: also comprise the aluminium water flow grooves (6) that is arranged at aluminium water filtration passage (1) arrival end, the cross-sectional area of described aluminium water filtration passage (1) is 2-4 a times of aluminium water flow grooves (6) cross-sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200559191U CN203075728U (en) | 2013-01-31 | 2013-01-31 | Inverse dual-stage aluminum liquid filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200559191U CN203075728U (en) | 2013-01-31 | 2013-01-31 | Inverse dual-stage aluminum liquid filtering device |
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| CN203075728U true CN203075728U (en) | 2013-07-24 |
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| CN2013200559191U Expired - Fee Related CN203075728U (en) | 2013-01-31 | 2013-01-31 | Inverse dual-stage aluminum liquid filtering device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103362A (en) * | 2013-01-31 | 2013-05-15 | 西南大学 | Double-level inverse filter method and filter device for molten aluminum |
| CN112317736A (en) * | 2020-11-23 | 2021-02-05 | 齐艳华 | Dross removal mechanism is used in aluminium base new material production and processing |
-
2013
- 2013-01-31 CN CN2013200559191U patent/CN203075728U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103362A (en) * | 2013-01-31 | 2013-05-15 | 西南大学 | Double-level inverse filter method and filter device for molten aluminum |
| CN103103362B (en) * | 2013-01-31 | 2015-09-09 | 西南大学 | The reverse double-stage filtering method of aluminium water and filtration unit |
| CN112317736A (en) * | 2020-11-23 | 2021-02-05 | 齐艳华 | Dross removal mechanism is used in aluminium base new material production and processing |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20140131 |