CN114931782A - Aluminum liquid impurity filtering device for aluminum alloy casting and filtering method thereof - Google Patents
Aluminum liquid impurity filtering device for aluminum alloy casting and filtering method thereof Download PDFInfo
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- CN114931782A CN114931782A CN202210699518.3A CN202210699518A CN114931782A CN 114931782 A CN114931782 A CN 114931782A CN 202210699518 A CN202210699518 A CN 202210699518A CN 114931782 A CN114931782 A CN 114931782A
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- 239000007788 liquid Substances 0.000 title claims abstract description 117
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 111
- 238000001914 filtration Methods 0.000 title claims abstract description 82
- 239000012535 impurity Substances 0.000 title claims abstract description 30
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 28
- 238000005266 casting Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000004321 preservation Methods 0.000 claims description 18
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 2
- 239000004411 aluminium Substances 0.000 description 28
- 238000000926 separation method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 241000220317 Rosa Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses an aluminum liquid impurity filtering device for aluminum alloy casting and a filtering method thereof, relates to the technical field of aluminum liquid filtering, and aims to solve the problem that the filtering temperature of aluminum liquid is difficult to maintain because the aluminum liquid is easy to cool and set in the conventional aluminum liquid impurity filtering device for aluminum alloy casting. Including filtering the jar, one side of filtering the jar is provided with circulation heat supply jar, the upper end of filtering the jar is provided with three solenoid valve, the inside of filtering the jar is provided with high temperature resistant filter tube net, the lower extreme of high temperature resistant filter tube net is provided with the filter tube base, the inside of high temperature resistant filter tube net is provided with the shunt tubes, one side of three solenoid valve is provided with the inlet pipe, and constant temperature heating pump line, its setting are in the inside of circulation heat supply jar, the diffluence pass, its setting is in around the shunt tubes, the both sides of filter tube base are provided with circulation siphunculus, filter residue discharge pipe respectively.
Description
Technical Field
The invention relates to the technical field of aluminum liquid filtration, in particular to an aluminum liquid impurity filtering device for aluminum alloy casting and a filtering method thereof.
Background
The aluminum liquid is easy to react with oxygen, moisture or other oxidation materials to form slag.
In traditional aluminium liquid impurity filter equipment, as application number: 202121500026.4, respectively; the name is as follows: an aluminum liquid impurity filtering device for aluminum alloy casting. The device includes: set up the rose box of filter chamber between two parties and articulate in the apron of rose box top one side through the hinge in the top, the charge door that supplies hopper fixed mounting is seted up between two parties to the top of above-mentioned apron, and the both sides of hopper bottom all are constructed two curb plates, and the bottom of above-mentioned filter chamber both sides all is constructed the supporting seat. Aluminium liquid impurity filter equipment for aluminum alloy founding can absorb the impact force that produces when descending aluminium liquid, has avoided appearing because of its great condition that leads to the filter assembly to damage of the impact that causes filter assembly, prevents its normal use that influences the user, still can collect the interior impurity of aluminium liquid, and the user's of being convenient for clears up, and labour saving and time saving, the practicality is stronger.
However, the aluminum liquid impurity filtering device for aluminum alloy casting has the problem that the filtering temperature of the aluminum liquid is difficult to maintain because the aluminum liquid is easy to cool and shape; therefore, the existing requirements are not met, and the aluminum liquid impurity filtering device for aluminum alloy casting and the filtering method thereof are provided.
Disclosure of Invention
The invention aims to provide an aluminum liquid impurity filtering device for aluminum alloy casting and a filtering method thereof, and aims to solve the problem that the aluminum liquid filtering temperature is difficult to maintain because the aluminum liquid is easy to cool and shape in the conventional aluminum liquid impurity filtering device for aluminum alloy casting provided by the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a molten aluminum impurity filtering device for aluminum alloy casting comprises a filtering tank, wherein a circulating heat supply tank is arranged on one side of the filtering tank, a three-way electromagnetic valve is arranged at the upper end of the filtering tank and is connected with an internal pipeline of the filtering tank, a high-temperature-resistant filter screen pipe is arranged inside the filtering tank, a filter screen pipe base is arranged at the lower end of the high-temperature-resistant filter screen pipe, a flow dividing pipe is arranged inside the high-temperature-resistant filter screen pipe and is connected with the three-way electromagnetic valve through a pipeline, a feeding pipe is arranged on one side of the three-way electromagnetic valve and is connected with the three-way electromagnetic valve through a pipeline;
further comprising:
a constant temperature heating pump pipe arranged inside the circulation heat supply tank;
and the flow distribution port is arranged on the periphery of the flow distribution pipe, and the flow distribution port and the flow distribution pipe are integrally formed.
Preferably, both sides of the filter tube base are respectively provided with a circulating through pipe and a filter residue discharge pipe.
Preferably, the upper end of the filter tube base is provided with a mounting base, the mounting base and the filter tube base are integrally formed, a filter residue pipe is arranged inside the mounting base and is connected with a filter residue discharge pipe through a pipeline, and the lower end of the high-temperature-resistant filter screen pipe is fixedly connected with the lower end face of the inner wall of the mounting base through a bolt and the filter residue pipe is arranged inside the high-temperature-resistant filter screen pipe.
Preferably, the inner wall of mounting base is provided with the inner ring groove, the inside of mounting base is provided with interior siphunculus, and the both ends of interior siphunculus are connected with inner ring groove, circulation siphunculus pipeline respectively.
Preferably, the inside of the constant-temperature heating pump pipe is provided with a circulating pipe, two ends of the circulating pipe are respectively connected with a circulating through pipe and a three-way electromagnetic valve pipeline, a multi-stage pump is arranged at the joint between the circulating pipes, and the multi-stage pump is connected with the circulating pipe pipeline.
Preferably, the inside of circulating pipe is provided with carries the inner tube, the outside of carrying the inner tube is provided with the heat-conducting layer, outside a week of heat-conducting layer all is provided with the electric heat tape, and electric heat tape and heat-conducting layer welded connection.
Preferably, the outer side of the heat conduction layer is provided with a heat preservation inner pipe, and the heat preservation inner pipe is connected with the outer wall of the heat conduction layer in a welding mode.
Preferably, the outside of constant temperature heating pump line is provided with the heat preservation, and the inside packing setting of heat preservation and circulation heat supply jar.
Preferably, the filtering method of the aluminum liquid impurity filtering device for aluminum alloy casting comprises the following steps:
the method comprises the following steps: firstly, injecting hot solution into the shunt tubes from a feed pipe, injecting the hot solution into the shunt tubes through a three-way electromagnetic valve, then, flowing out of a shunt port on the outer sides of the shunt tubes, filtering aluminum liquid through a high-temperature-resistant filter screen pipe, wherein the flowing-out part is filtered aluminum liquid, the part which does not flow out is residue, the residue liquid flows in from a filter residue pipe and is discharged from a filter residue discharge pipe, and the flowing-out aluminum liquid flows in an inner through pipe from the inside of an inner ring groove and enters a constant-temperature heating pump pipe through a circulating through pipe, so that primary aluminum liquid filtration is completed;
step two: when the aluminum liquid after primary filtration gets into in the inside circulating pipe of constant temperature heating pump pipe, the multistage pump carries out the multistage pump with aluminium liquid for aluminium liquid upwards pumps, and flows back and go into three solenoid valve and carry out the loop filter, and the electric heat tape heats the heat-conducting layer simultaneously, makes the inside transport inner tube of heat-conducting layer give inside aluminium liquid with heat transmission, makes aluminium liquid can keep the liquid state of flowing throughout.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the filtering tank, the circulating heat supply tank, the three-way electromagnetic valve, the flow dividing pipe, the high-temperature-resistant filter screen pipe and the filtering pipe base, hot solution is injected from the feeding pipe, is injected into the flow dividing pipe through the three-way electromagnetic valve, and then flows out from the flow dividing port on the outer side of the flow dividing pipe, aluminum liquid passes through the high-temperature-resistant filter screen pipe to be filtered, the outflow part is filtered aluminum liquid, the non-outflow part is residue, residue liquid flows in from the filter screen pipe and is discharged from the filter screen discharging pipe, and the outflow aluminum liquid flows in the inner through pipe from the inner part of the inner ring groove and enters the constant-temperature heating pump pipe through the circulating through pipe, so that primary filtering of the aluminum liquid is completed.
2. Through the setting of constant temperature heating pump line, when aluminium liquid after the primary filtration gets into in the inside circulating pipe of constant temperature heating pump line, the multistage pump carries out multistage pump with aluminium liquid, make aluminium liquid upwards pump, and the backward flow goes into three solenoid valve and carries out loop filter, meanwhile the electric heat tape heats the heat-conducting layer, make the inside transport inner tube of heat-conducting layer give inside aluminium liquid with heat transmission, make aluminium liquid can remain the liquid flow state throughout, aluminium liquid filtration efficiency has greatly been improved, prevent that it from solidifying, current aluminium liquid impurity filter equipment for aluminum alloy founding has been solved, because aluminium liquid easily cools off the design, cause aluminium liquid filtration temperature to maintain difficult problem.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the inner structure of the refractory sieve tube of the present invention;
FIG. 3 is a schematic view of the internal structure of the base of the filter tube of the present invention;
FIG. 4 is a schematic view of the internal structure of the thermostatic heating pump tube of the present invention;
FIG. 5 is a schematic view showing the cross-sectional internal structure of the circulation tube according to the present invention;
in the figure: 1. a filter tank; 2. a circulating heat supply tank; 3. a three-way electromagnetic valve; 4. a shunt tube; 5. a high temperature resistant filter screen pipe; 6. a feed pipe; 7. a filter tube base; 8. heating the pump pipe at a constant temperature; 9. a heat-insulating layer; 10. a shunt port; 11. mounting a base; 12. a slag filtering pipe; 13. an inner ring groove; 14. an inner through pipe; 15. circulating through pipes; 16. a filter residue discharge pipe; 17. a circulation pipe; 18. a multi-stage pump; 19. an electric heating tape; 20. a conveying inner pipe; 21. a heat conductive layer; 22. and (4) insulating the inner pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: an aluminum liquid impurity filtering device for aluminum alloy casting comprises a filtering tank 1, wherein a circulating heat supply tank 2 is arranged on one side of the filtering tank 1, a three-way electromagnetic valve 3 is arranged at the upper end of the filtering tank 1, the three-way electromagnetic valve 3 is connected with an internal pipeline of the filtering tank 1, a high-temperature-resistant filter screen pipe 5 is arranged inside the filtering tank 1, a filter screen base 7 is arranged at the lower end of the high-temperature-resistant filter screen pipe 5, a flow dividing pipe 4 is arranged inside the high-temperature-resistant filter screen pipe 5, the flow dividing pipe 4 is connected with the three-way electromagnetic valve 3 through a pipeline, a feeding pipe 6 is arranged on one side of the three-way electromagnetic valve 3, and the feeding pipe 6 is connected with the three-way electromagnetic valve 3 through a pipeline;
further comprising:
a constant temperature heating pump pipe 8 provided inside the circulation heat supply tank 2;
the branch flow port 10 is arranged around the shunt pipe 4, the branch flow port 10 and the shunt pipe 4 are integrally formed, aluminum liquid penetrates through the high-temperature-resistant filter screen pipe 5 to be filtered, the flowing part is the filtered aluminum liquid, the part which does not flow out is residue, the residue liquid flows in from the filter residue pipe 12 and is discharged from the filter residue discharge pipe 16, the flowing aluminum liquid flows in from the inner part of the inner annular groove 13 to the inner through pipe 14, and the aluminum liquid enters the constant-temperature heating pump pipe 8 through the circulating through pipe 15, so that primary aluminum liquid filtering is completed.
Further, two sides of the filter tube base 7 are respectively provided with a circulating through tube 15 and a filter residue discharge tube 16, the circulating through tube 15 is used for circulating treatment of filtered aluminum liquid, and the filter residue discharge tube 16 facilitates discharge of filter residues and separation of the filter residues and the aluminum liquid.
Further, filter tube base 7's upper end is provided with mounting base 11, and mounting base 11 and filter tube base 7 integrated into one piece set up, mounting base 11's inside is provided with filter residue pipe 12, and filter residue pipe 12 and 16 pipe connections of filter residue discharge pipe, and terminal surface bolt fixed connection under the lower extreme of high temperature resistant filter tube net 5 and mounting base 11's the inner wall, filter residue pipe 12 sets up the inside at high temperature resistant filter tube net 5, mounting base 11 has greatly made things convenient for high temperature resistant filter tube net 5's installation, and make high temperature resistant filter tube net 5's solid-liquid separation space increase, and the filtration efficiency is improved.
Further, the inner wall of mounting base 11 is provided with inner ring groove 13, and the inside of mounting base 11 is provided with interior siphunculus 14, and the both ends of interior siphunculus 14 respectively with inner ring groove 13, circulation siphunculus 15 pipe connection, and the aluminium liquid of straining out passes high temperature resistant filter screen pipe 5, spills over to mounting base 11 to from the inboard inner ring groove 13 that flows in of mounting base 11, greatly made things convenient for the recovery of aluminium liquid.
Further, a circulating pipe 17 is arranged inside the constant-temperature heating pump pipe 8, two ends of the circulating pipe 17 are respectively connected with the circulating through pipe 15 and the three-way electromagnetic valve 3 through pipelines, a multi-stage pump 18 is arranged at the joint between the circulating pipes 17, the multi-stage pump 18 is connected with the circulating pipe 17 through a pipeline, and the circulating pipe 17 is convenient for carrying out subsequent recovery, circulating pumping and heating treatment on the aluminum liquid.
Furthermore, the inner part of the circulating pipe 17 is provided with a conveying inner pipe 20, the outer side of the conveying inner pipe 20 is provided with a heat conduction layer 21, the outer circumference of the heat conduction layer 21 is provided with an electric heating belt 19, the electric heating belt 19 is welded with the heat conduction layer 21, when the primarily filtered aluminum liquid enters the circulating pipe 17 in the constant-temperature heating pump pipe 8, the multi-stage pump 18 pumps the aluminum liquid in multiple stages, so that the aluminum liquid is pumped out upwards and flows back to the three-way electromagnetic valve 3 for circulating filtration, meanwhile, the electric heating belt 19 heats the heat conduction layer 21, so that the conveying inner pipe 20 in the heat conduction layer 21 transmits heat to the aluminum liquid in the heat conduction layer, the aluminum liquid can always keep a liquid flowing state, the aluminum liquid filtering efficiency is greatly improved, the aluminum liquid is prevented from solidifying, and the problem that the aluminum liquid filtering temperature is difficult to maintain due to the fact that the aluminum liquid is easy to cool and set in the conventional aluminum liquid impurity filtering device for aluminum alloy casting is solved.
Further, the outer side of the heat conduction layer 21 is provided with the heat preservation inner pipe 22, the heat preservation inner pipe 22 is connected with the outer wall of the heat conduction layer 21 in a welding mode, the heat preservation efficiency of the internal aluminum liquid is greatly improved through the heat preservation inner pipe 22, and the heat loss of the aluminum liquid is prevented, so that the flowing performance is reduced.
Further, the outside of constant temperature heating pump line 8 is provided with heat preservation 9, and heat preservation 9 sets up with the inside packing of circulation heat supply jar 2, and heat preservation 9 has further improved the heat preservation effect to constant temperature heating pump line 8.
Further, the filtering method of the aluminum liquid impurity filtering device for aluminum alloy casting comprises the following steps:
the method comprises the following steps: firstly, hot solution is injected from a feeding pipe 6, the hot solution is injected into the shunt pipe 4 through a three-way electromagnetic valve 3, then the hot solution flows out from a shunt port 10 at the outer side of the shunt pipe 4, aluminum liquid passes through a high-temperature resistant filter screen pipe 5 for filtration, the flowing part is filtered aluminum liquid, the non-flowing part is residue, residue liquid flows in from a filter residue pipe 12 and is discharged from a filter residue discharge pipe 16, the flowing aluminum liquid flows in an inner through pipe 14 from the inner part of an inner ring groove 13 and enters a constant-temperature heating pump pipe 8 through a circulation through pipe 15, so that primary aluminum liquid filtration is completed, the circulation through pipe 15 is used for circulating treatment of the filtered aluminum liquid, the filter residue discharge pipe 16 is convenient for discharge of filter residue, separation of the filter residue and the aluminum liquid is convenient, the installation of the high-temperature resistant filter screen pipe 5 is greatly facilitated by an installation base 11, the solid-liquid separation space of the high-temperature resistant filter screen pipe 5 is enlarged, the filtration efficiency is improved, the filtered aluminum liquid passes through the high-temperature resistant filter screen pipe 5, the molten aluminum overflows to the mounting base 11 and flows into the inner annular groove 13 from the inner side of the mounting base 11, so that the molten aluminum is greatly convenient to recycle, the circulating pipe 17 is convenient to pump and heat the molten aluminum in a subsequent recycling cycle, the heat preservation efficiency of the molten aluminum in the heat preservation inner pipe 22 is greatly improved, the heat of the molten aluminum is prevented from being dissipated, so that the flowing performance is reduced, and the heat preservation effect of the heat preservation layer 9 on the constant-temperature heating pump pipe 8 is further improved;
step two: when aluminium liquid after the primary filtration gets into in the inside circulating pipe 17 of constant temperature heating pump pipe 8, multistage pump 18 carries out multistage pump with aluminium liquid, make aluminium liquid upwards pump, and the backward flow goes into three solenoid valve 3 and carries out loop filter, meanwhile, electric heat tape 19 heats heat-conducting layer 21, make the inside transport inner tube 20 of heat-conducting layer 21 give inside aluminium liquid with the heat transfer, make aluminium liquid can remain the liquid flow state all the time, aluminium liquid filtration efficiency has greatly been improved, prevent it and solidify, current aluminium liquid impurity filter equipment for aluminum alloy founding has been solved, because aluminium liquid easily cools off the design, cause aluminium liquid filter temperature to maintain difficult problem.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. An aluminum liquid impurity filtering device for aluminum alloy casting comprises a filtering tank (1), wherein a circulating heat supply tank (2) is arranged on one side of the filtering tank (1), a three-way electromagnetic valve (3) is arranged at the upper end of the filtering tank (1), the three-way electromagnetic valve (3) is connected with an internal pipeline of the filtering tank (1), a high-temperature-resistant filter screen pipe (5) is arranged inside the filtering tank (1), a filter screen base (7) is arranged at the lower end of the high-temperature-resistant filter screen pipe (5), a shunt pipe (4) is arranged inside the high-temperature-resistant filter screen pipe (5), the shunt pipe (4) is in pipeline connection with the three-way electromagnetic valve (3), a feeding pipe (6) is arranged on one side of the three-way electromagnetic valve (3), and the feeding pipe (6) is in pipeline connection with the three-way electromagnetic valve (3);
the method is characterized in that: further comprising:
a constant temperature heating pump pipe (8) disposed inside the circulation heat supply tank (2);
and the shunting port (10) is arranged on the periphery of the shunting pipe (4), and the shunting port (10) and the shunting pipe (4) are integrally formed.
2. The aluminum liquid impurity filtering device for aluminum alloy casting according to claim 1, wherein: and a circulating through pipe (15) and a filter residue discharge pipe (16) are respectively arranged on two sides of the filter pipe base (7).
3. The aluminum liquid impurity filtering device for aluminum alloy casting according to claim 1, wherein: the upper end of filter tube base (7) is provided with mounting base (11), and mounting base (11) and filter tube base (7) integrated into one piece set up, the inside of mounting base (11) is provided with filter residue pipe (12), and filter residue pipe (12) and filter residue discharge pipe (16) pipe connection to terminal surface bolt fixed connection, filter residue pipe (12) set up the inside at high temperature resistant filter tube pipe (5) under the lower extreme of high temperature resistant filter tube pipe (5) and the inner wall of mounting base (11).
4. The aluminum liquid impurity filtering device for aluminum alloy casting according to claim 3, wherein: the inner wall of mounting base (11) is provided with inner ring groove (13), the inside of mounting base (11) is provided with interior siphunculus (14), and the both ends of interior siphunculus (14) respectively with inner ring groove (13), circulation siphunculus (15) pipe connection.
5. The aluminum liquid impurity filtering device for aluminum alloy casting according to claim 1, characterized in that: the inside of constant temperature heating pump line (8) is provided with circulating pipe (17), and the both ends of circulating pipe (17) respectively with circulation siphunculus (15), three-way solenoid valve (3) pipe connection, the junction between circulating pipe (17) is provided with multistage pump (18), and multistage pump (18) and circulating pipe (17) pipe connection.
6. The aluminum liquid impurity filtering device for aluminum alloy casting according to claim 5, wherein: the circulating pipe (17) is provided with inside and carries inner tube (20), the outside of carrying inner tube (20) is provided with heat-conducting layer (21), the outside a week of heat-conducting layer (21) all is provided with electric heat tape (19), and electric heat tape (19) and heat-conducting layer (21) welded connection.
7. The aluminum liquid impurity filtering device for aluminum alloy casting according to claim 6, wherein: the outer side of the heat conduction layer (21) is provided with a heat insulation inner pipe (22), and the heat insulation inner pipe (22) is connected with the outer wall of the heat conduction layer (21) in a welding mode.
8. The aluminum liquid impurity filtering device for aluminum alloy casting according to claim 1, wherein: the outside of constant temperature heating pump pipe (8) is provided with heat preservation (9), and heat preservation (9) and the inside of circulation heat supply jar (2) are filled and are set up.
9. A filtering method of an aluminum liquid impurity filtering device for aluminum alloy casting is realized by the aluminum liquid impurity filtering device for aluminum alloy casting based on any one of claims 1 to 8, and is characterized by comprising the following steps of:
the method comprises the following steps: firstly, hot solution is injected from a feeding pipe (6), injected into the shunt pipe (4) through a three-way electromagnetic valve (3) and then flows out of a shunt port (10) at the outer side of the shunt pipe (4), aluminum liquid passes through a high-temperature-resistant filter screen pipe (5) for filtration, the flowing part is filtered aluminum liquid, the non-flowing part is residue, residue liquid flows in from a filter residue pipe (12) and is discharged from a filter residue discharge pipe (16), the flowing aluminum liquid flows in an inner through pipe (14) from the inside of an inner ring groove (13) and enters a constant-temperature heating pump pipe (8) through a circulating through pipe (15), and primary aluminum liquid filtration is completed;
step two: when the aluminum liquid after primary filtration enters the circulating pipe (17) inside the constant-temperature heating pump pipe (8), the multi-stage pump (18) pumps the aluminum liquid in multiple stages, so that the aluminum liquid is pumped upwards and flows back to the three-way electromagnetic valve (3) for circulating filtration, meanwhile, the heat conduction layer (21) is heated by the electric heating tape (19), the heat is transmitted to the aluminum liquid inside the heat conduction layer (21) through the conveying inner pipe (20) inside the heat conduction layer (21), and the aluminum liquid can be kept in a liquid flowing state all the time.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043056A (en) * | 2022-11-10 | 2023-05-02 | 浙江亨达铝业有限公司 | Slag removal system for aluminum alloy production |
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| CN116043056B (en) * | 2022-11-10 | 2023-08-04 | 浙江亨达铝业有限公司 | Slag removal system for aluminum alloy production |
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