CN116697752B - Environment-friendly aluminum ingot smelting furnace - Google Patents
Environment-friendly aluminum ingot smelting furnace Download PDFInfo
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- CN116697752B CN116697752B CN202310805473.8A CN202310805473A CN116697752B CN 116697752 B CN116697752 B CN 116697752B CN 202310805473 A CN202310805473 A CN 202310805473A CN 116697752 B CN116697752 B CN 116697752B
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 57
- 238000003723 Smelting Methods 0.000 title claims abstract description 53
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 182
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 86
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 66
- 239000007789 gas Substances 0.000 claims abstract description 20
- 229920000742 Cotton Polymers 0.000 claims abstract description 18
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 29
- 241000883990 Flabellum Species 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 210000003141 lower extremity Anatomy 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000001376 precipitating effect Effects 0.000 abstract description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 229910001873 dinitrogen Inorganic materials 0.000 description 10
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 239000002912 waste gas Substances 0.000 description 10
- 238000001914 filtration Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- -1 on the other hand Chemical compound 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- 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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- 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
- F27D27/00—Stirring devices for molten material
-
- 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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- 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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to an environment-friendly aluminum ingot smelting furnace, which comprises a smelting furnace, wherein a base is arranged below the smelting furnace, a nitrogen tank is fixed on the left side of the base, a sodium hydroxide tank is fixed on the right side of the base, an end cover is arranged on an upper end port of the smelting furnace, and a gas circulation device is arranged in the middle of the end cover; according to the invention, nitrogen is used for isolating oxygen from contact with molten aluminum, so that aluminum is prevented from being oxidized to form aluminum oxide impurities in the process of standing and precipitating by contact with oxygen, and meanwhile, a driving motor of a gas circulation device is used for driving a movable turbine blade and an annular cylinder to rotate, so that the nitrogen generates spiral airflow to drive molten aluminum to rotate, and the molten aluminum is stirred; the sodium hydroxide is utilized to absorb sulfur dioxide in circulating nitrogen through the nozzle to the filter cotton, the sodium hydroxide solution is utilized to wet the filter cotton on the one hand, the filter cotton is utilized to absorb smoke particles, the nitrogen circulation is utilized in the airtight unprecedented state, the impurity in aluminum is filtered, the aluminum is prevented from being oxidized by oxygen contact, and the environment is protected and efficient.
Description
Technical Field
The invention belongs to the technical field of aluminum ingot smelting, and particularly relates to an environment-friendly aluminum ingot smelting furnace.
Background
The aluminum ingot smelting furnace is used for smelting aluminum ingots so as to purify aluminum, remove impurities and add other elements, thereby refining the aluminum to reach preset performance.
The aluminum ingot smelting furnace in the prior art generally comprises a furnace body, wherein after a coil in the furnace body is electrified, vortex is generated in an aluminum ingot arranged in the furnace body, so that the aluminum ingot is melted, liquid aluminum is formed after the aluminum ingot is melted, impurities in the aluminum are in contact with oxygen in air above a liquid level, and chemical reaction occurs, so that nitrogen is needed to be used as safety gas in the smelting process to protect the liquid aluminum, and the aluminum is prevented from being in contact with the oxygen to generate oxidation reaction; part of organic matters can be combusted in the melting process to form waste gas, and pollutant gases such as carbon monoxide, sulfide, nitride and the like exist in the waste gas and dust also exist in the waste gas, however, in the working process of the aluminum ingot smelting furnace in the prior art, liquid aluminum in the furnace body is exposed to air, and the waste gas is directly discharged to the air to pollute the working environment
The chinese patent with application number 202210086888.X discloses an environment-friendly energy-saving smelting furnace for aluminum ingot production, although waste gas is generated in the furnace body, the blower is utilized to exhaust air from the inside of the furnace body through the airflow channel, the waste gas is discharged through the airflow channel, the waste gas contacts with the filtering component in the process of flowing through the airflow channel, the filtering component filters the waste gas, although pollutants in the waste gas are reduced, the pollution of the waste gas to the working environment is reduced, but the loss of nitrogen is caused, and in order to avoid the contact of liquid aluminum and oxygen, the nitrogen is required to be continuously supplemented, so that the cost of smelting aluminum is increased.
In view of the deficiencies of the prior art, further improvements are needed.
Disclosure of Invention
Accordingly, the present invention is directed to an environment-friendly aluminum ingot melting furnace, which solves the above problems.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: an environment-friendly aluminum ingot smelting furnace comprises a smelting furnace, a base is arranged below the smelting furnace, a supporting plate is arranged on the upper side of the base, four telescopic rods are arranged between the supporting plate and the base, the extension ends of the four telescopic rods are fixedly connected with four end corners of the supporting plate respectively, the lower ends of the telescopic rods are fixedly connected with the base, a nitrogen tank is fixed on the left side of the base, a sodium hydroxide tank is fixed on the right side of the base, the upper end of the smelting furnace is open, an end cover is arranged on an upper end port of the smelting furnace, a gas circulation device is arranged in the middle of the end cover and comprises a circulation cylinder, the circulation cylinder sequentially comprises a reflux cavity, a filtering cavity and a pressure cavity from top to bottom, wherein the upper end of the lower end of the pressure cavity is large, the lower end of the pressure cavity is small, annular boxes are concentrically distributed near the port parts of the lower end of the pressure cavity, spray pipes are evenly distributed near the outer wall and near the lower edge parts of the annular boxes, the spray pipe one end is led to the inside of the annular box, and the spray pipe other end is located the annular box outside and slope downwards, circulation barrel upside middle part is fixed with driving motor, and be provided with first flabellum below the pressure gas chamber lower extreme port, driving motor's output shaft lower extreme and first flabellum fixed connection, two swivel has been cup jointed in the rotation on driving motor's the output shaft, wherein be provided with three first branch between swivel and the pressure gas chamber upper edge that is located the top, first branch one end and corresponding swivel fixed connection, and first branch other end and pressure gas chamber upper edge fixed connection, be provided with three second branch between swivel and the pressure gas chamber lower edge that is located the below, second branch one end and corresponding swivel fixed connection, and the other end and the pressure gas chamber lower edge fixed connection of second branch.
Further, filter pulp is arranged in the filter cavity, nozzles are uniformly distributed on the side wall of the filter cavity, nozzles of the nozzles point to the filter pulp, first annular pipes are concentrically distributed on the outer side of the filter cavity, the nozzles are communicated with the first annular pipes, the first annular pipes are communicated with a sodium hydroxide tank through first guide pipes, sodium hydroxide solution in the sodium hydroxide tank is sprayed to the filter pulp through the nozzles, on one hand, sodium hydroxide is utilized to absorb sulfur dioxide in circulating nitrogen, on the other hand, sodium hydroxide solution is utilized to wet the filter pulp, and smoke particles are adsorbed by the filter pulp.
Further, the annular distribution in the chamber of calming anger outside has many L pipes, and L pipe lower extreme leads to the annular box, and L pipe upper end is bent and is communicate with the backward flow chamber, and L pipe top is provided with the second ring canal, and L pipe and second ring canal intercommunication are provided with the second pipe between second ring canal and the nitrogen gas jar, second pipe one end and second ring canal intercommunication, and the second pipe other end and nitrogen gas jar intercommunication, second pipe and nitrogen gas jar intercommunication position are provided with the check valve, make nitrogen gas unidirectional flow second pipe in the nitrogen gas jar, be provided with the third pipe between backward flow chamber and the nitrogen gas jar, third pipe one end and backward flow chamber intercommunication, and the third pipe other end and nitrogen gas jar intercommunication, third pipe and nitrogen gas jar intercommunication position are provided with the check valve, make nitrogen gas follow third pipe unidirectional flow direction nitrogen gas jar.
Further, when the annular box lower extreme rotates and is connected with annular cylinder, be provided with one row of second flabellum in the annular cylinder, annular cylinder upper end opening and annular box intercommunication, and annular cylinder lower extreme is sealed, be provided with six third branches in the annular cylinder, third branch one end and driving motor's output shaft fixed connection, wherein the other end and the annular cylinder inner wall upper edge fixed connection of three third branches, the other end and the annular cylinder inner wall lower edge fixed connection of three third branches in addition, annular cylinder is close to the outer wall and is close to the lower edge position evenly distributed and has the spray tube, spray tube one end accesss to annular cylinder inside, and the spray tube other end is located annular cylinder outside and slope downwards.
Further, a plurality of rows of movable turbine blades are arranged between the first supporting rod and the second supporting rod in the air compressing cavity, the movable turbine blades are fixedly connected with an output shaft of the driving motor, a row of fixed turbine blades are arranged between every two adjacent rows of movable turbine blades, the fixed turbine blades are fixedly connected with the air compressing cavity, the movable turbine blades and the fixed turbine blades form an air compressor, and the passing nitrogen is compressed.
The beneficial effects of the invention are as follows: according to the invention, nitrogen is utilized to isolate oxygen from contact with molten aluminum, so that aluminum is prevented from being oxidized to form alumina impurities in the process of standing and precipitating by contact with oxygen; under the driving action of a driving motor, nitrogen is pumped into the pressure air cavity to be pressurized, so that the pressure of the nitrogen is increased, filtering cotton is convenient to pass through, the nitrogen in the reflux cavity is blown to the smelting furnace through the spray pipe by the driving of the fan blade, the nitrogen blown to the smelting furnace by the spray pipe forms molten aluminum liquid, the molten aluminum liquid forms vortex, and stirring of the molten aluminum liquid is realized; the annular cylinder is sleeved on the annular box in a rotating way, and the annular cylinder is utilized to rotate to drive the spray pipe to rotate, so that the speed that aluminum liquid can form certain vortex and convection air injection is increased, and the smelting quality of aluminum ingots is further improved; the turbine blades and the fixed turbine blades are utilized to actively apply work and compress nitrogen in the pressure cavity, the efficiency of nitrogen pressurization is improved, the efficiency of nitrogen passing through filter cotton is further improved, then the filtered nitrogen is driven by the second fan blades to blow to the smelting furnace through the spray pipe, on one hand, nitrogen in the nitrogen tank flows to the backflow cavity through the second guide pipe to supplement the nitrogen in the smelting furnace, the quantity of the nitrogen in the smelting furnace is ensured to be sufficient, on the other hand, in the process of smelting aluminum, along with the rising of air temperature, when the pressure in the smelting furnace is too high, the nitrogen in the backflow cavity flows back to the nitrogen tank through the third guide pipe, the pressure balance in the smelting furnace is maintained, the pressure is prevented from being too high, waste formed by smelting aluminum simultaneously enters the nitrogen tank when the nitrogen flows back to the nitrogen tank, and the purity of the nitrogen is ensured by periodically replacing the nitrogen in the nitrogen tank.
Drawings
FIG. 1 is a main block diagram of the present invention;
FIG. 2 is a first diagram of a gas circulation device according to the present invention;
FIG. 3 is a second block diagram of the gas circulation device of the present invention;
FIG. 4 is a third block diagram of the gas circulation device of the present invention;
reference numerals in the drawings: 1, smelting furnace; 2, a base; 3, a supporting plate; 4, a telescopic rod; 5 nitrogen tanks; 6, a sodium hydroxide tank; 7, end covers; 8, circulating a cylinder; 801 a reflow chamber; 802 a filter chamber; 803 pressing the air cavity; 9, driving a motor; a 10-ring box; 11 spray pipes; 12 swivel; 13 a first strut; 14 second struts; 15, filtering cotton; a 16 nozzle; 17 a first loop; a first conduit 18; a 19L tube; a second loop pipe 20; a second conduit 21; a third conduit 22; 23 a first fan; a 24-ring cylinder; 25 third struts; a second fan 26; 27 moving turbine blades; 28 secure the turbine blades.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
embodiment one:
as shown in fig. 1-2, an environment-friendly aluminum ingot smelting furnace comprises a smelting furnace 1, a base 2 is arranged below the smelting furnace 1, a supporting plate 3 is arranged on the upper side of the base 2, four telescopic rods 4 are arranged between the supporting plate 3 and the base 2, the extending ends of the four telescopic rods 4 are fixedly connected with four end angles of the supporting plate 3 respectively, the lower ends of the telescopic rods 4 are fixedly connected with the base 2, a nitrogen tank 5 is fixed on the left side of the base 2, a sodium hydroxide tank 6 is fixed on the right side of the base 2, the upper end of the smelting furnace 1 is opened, an end cover 7 is arranged on an upper end port of the smelting furnace 1 and used for sealing the smelting furnace 1, a gas circulation device is arranged in the middle of the end cover 7, the gas circulation device comprises a circulation cylinder 8, a reflux cavity 801, a filtering cavity 802 and a gas compression cavity 803 sequentially from top to bottom, the lower ends of the gas cavity 803 are respectively small, an annular box 10 is concentrically distributed near the port part of the lower end of the gas cavity 803, the annular box 10 is close to the lower edge, the spray pipes 11 are evenly distributed at the position close to the outer wall, one end of each spray pipe 11 is led into the annular box 10, the other end of each spray pipe 11 is positioned at the outer side of the annular box 10 and is inclined downwards, a driving motor 9 is fixed at the middle part of the upper side of the circulating cylinder 8, a first fan blade 23 is arranged below a port of the lower end of the air compressing cavity 803, the lower end of an output shaft of the driving motor 9 is fixedly connected with the first fan blade 23, the first fan blade 23 is driven to rotate by the driving motor 9, two rotary rings 12 are rotatably sleeved on the output shaft of the driving motor 9, three first support rods 13 are arranged between the rotary ring 12 positioned above and the upper edge of the air compressing cavity 803, one end of each first support rod 13 is fixedly connected with the corresponding rotary ring 12, three second support rods 14 are arranged between the rotary ring 12 positioned below and the lower edge of the air compressing cavity 803, one end of the second supporting rod 14 is fixedly connected with the corresponding swivel 12, and the other end of the second supporting rod 14 is fixedly connected with the lower edge of the air compressing cavity 803.
In this embodiment, the filter cotton 15 is disposed in the filter cavity 802, the nozzles 16 are uniformly distributed on the side wall of the filter cavity 802, the nozzles of the nozzles 16 are directed to the filter cotton 15, the first annular pipe 17 is concentrically distributed on the outer side of the filter cavity 802, the nozzles 16 are communicated with the first annular pipe 17, the first annular pipe 17 is communicated with the sodium hydroxide tank 6 through the first conduit 18, and sodium hydroxide solution in the sodium hydroxide tank 6 is sprayed to the filter cotton 15 through the nozzles 16, so that on one hand, sodium hydroxide is used to absorb sulfur dioxide in circulating nitrogen, on the other hand, sodium hydroxide solution is used to wet the filter cotton 15, and smoke particles are adsorbed by the filter cotton 15.
In this embodiment, a plurality of L pipes 19 are annularly distributed outside the air compressing cavity 803, the lower ends of the L pipes 19 are led to the annular box 10, the upper ends of the L pipes 19 are bent and are communicated with the backflow cavity 801, a second annular pipe 20 is arranged above the L pipes 19, the L pipes 19 are communicated with the second annular pipe 20, a second guide pipe 21 is arranged between the second annular pipe 20 and the nitrogen tank 5, one end of the second guide pipe 21 is communicated with the second annular pipe 20, the other end of the second guide pipe 21 is communicated with the nitrogen tank 5, a one-way valve is arranged at the communicating position of the second guide pipe 21 and the nitrogen tank 5, so that nitrogen in the nitrogen tank 5 flows in a one-way manner to the second guide pipe 21, a third guide pipe 22 is arranged between the backflow cavity 801 and the nitrogen tank 5, one end of the third guide pipe 22 is communicated with the backflow cavity 801, the other end of the third guide pipe 22 is communicated with the nitrogen tank 5, and a one-way valve is arranged at the communicating position of the third guide pipe 22 and the nitrogen tank 5, so that nitrogen flows in a one-way from the third guide pipe 22 to the nitrogen tank 5.
In this embodiment, when the aluminum ingot to be smelted is put into the smelting furnace 1 to smelt the aluminum ingot, in the smelting process, nitrogen in the nitrogen tank 5 is released into the smelting furnace 1, oxygen is isolated from contact with molten aluminum by utilizing the nitrogen, aluminum is prevented from being oxidized to form alumina impurities in contact with oxygen in the standing precipitation process, meanwhile, the driving motor 9 is started, the driving motor 9 is utilized to drive the first fan blade 23 to rotate, the nitrogen is pumped into the air pressing cavity 803 by utilizing the first fan blade 23, the upper end of the air pressing cavity 803 is contracted, the volume is gradually reduced after compression according to the hydrodynamic principle, the nitrogen enters the reflux cavity 801 after filtration of the filter cotton 15 after pressure increase, then the nitrogen in the reflux cavity 801 is blown to the smelting furnace 1 through the spray pipe 11, the nitrogen blown to the smelting furnace 1 is formed by utilizing the characteristic that the molten aluminum liquid has certain fluidity by the spray pipe 11 is positioned at one end of the outer side of the annular box 10 in an inclined downward direction, and the nitrogen blown to the smelting furnace 1 forms vortex and convection air, and accordingly the smelting quality of the aluminum ingot is improved.
Embodiment two:
the difference from the first embodiment shown in fig. 3 is that: the lower extreme rotation of annular case 10 is connected with annular section of thick bamboo 24, be provided with a row of second flabellum 26 in the annular section of thick bamboo 24, annular section of thick bamboo 24 upper end opening and annular case 10 intercommunication, and annular section of thick bamboo 24 lower extreme is sealed, be provided with six third branch 25 in the annular section of thick bamboo 24, third branch 25 one end and the output shaft fixed connection of driving motor 9, wherein the other end and the annular section of thick bamboo 24 inner wall upper edge fixed connection of three third branch 25, the other end and the annular section of thick bamboo 24 inner wall lower limb fixed connection of three third branch 25 in addition, annular section of thick bamboo 24 is close to the outer wall and is close to the lower limb position evenly distributed and has spray tube 11, spray tube 11 one end is led to annular section of thick bamboo 24 inside, and the spray tube 11 other end is located annular section of thick bamboo 24 outside and slope downwards.
In this embodiment, the driving motor 9 is used to drive the first fan blade 23 to rotate and the annular cylinder 24 to rotate, the first fan blade 23 is used to pump nitrogen into the air pressing cavity 803, the second fan blade 24 on the annular cylinder 24 is used to blow the nitrogen in the return cavity 801 to the melting furnace 1 through the spray pipe 11, the molten aluminum liquid has certain fluidity, one end of the spray pipe 11 positioned outside the annular box 10 is inclined downwards, the nitrogen blown to the melting furnace 1 by the spray pipe 11 forms vortex to blow to the molten aluminum liquid, and the annular cylinder 24 is used to rotate to drive the spray pipe 11 to rotate, so that the speed of forming certain vortex and convection air by the aluminum liquid is increased, and the melting quality of aluminum ingots is further improved.
Embodiment III:
on the basis of embodiment two as shown in fig. 4: a plurality of rows of movable turbine blades 27 are arranged between the first supporting rod 13 and the second supporting rod 14 in the air compressing cavity 803, the movable turbine blades 27 are fixedly connected with an output shaft of the driving motor 9, the driving motor 9 is used for driving the movable turbine blades 27 to rotate, a row of fixed turbine blades 28 are arranged between every two adjacent rows of movable turbine blades 27, the fixed turbine blades 28 are fixedly connected with the air compressing cavity 803, and the movable turbine blades 27 and the fixed turbine blades 28 form an air compressor to compress passing nitrogen.
In this embodiment, the driving motor 9 is used to drive the movable turbine blade 27 and the annular box 10 to rotate, when nitrogen passes through the turbine blade 27 and the fixed turbine blade 28, the hydrodynamic principle is combined with the compressor working principle of the turbojet engine, the turbine blade 27 applies work to the nitrogen, the nitrogen in the compressed air cavity 803 is actively compressed, the efficiency of nitrogen pressurization is improved, after the pressure is increased, the nitrogen enters the backflow cavity 801 after being filtered by the filter cotton 15, and then the nitrogen in the backflow cavity 801 is blown to the melting furnace 1 through the spray pipe 11 by the driving of the second fan blade 26, during the process of melting aluminum ingots, on one hand, the nitrogen in the nitrogen tank 5 flows to the backflow cavity 801 through the second guide pipe 21, the nitrogen in the melting furnace 1 is supplemented, so that the sufficient amount of the nitrogen in the melting furnace 1 is ensured, on the other hand, when the air temperature is increased, the pressure in the melting furnace 1 is excessively high, the nitrogen in the backflow cavity 801 flows back into the nitrogen tank 5 through the third guide pipe 22, the pressure balance in the melting furnace 1 is maintained, the waste formed by the aluminum is prevented from flowing back into the nitrogen tank 5, and then the nitrogen tank 5 is replaced at the same time, and the purity of the nitrogen in the process of replacing nitrogen tank is ensured.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides an environment-friendly aluminium ingot smelting furnace, includes the smelting pot, its characterized in that, the smelting pot below is provided with the base, and the base upside is provided with the layer board, is provided with four telescopic links between layer board and the base, four telescopic link's extension end respectively with four end angle fixed connection of layer board, and telescopic link lower extreme and base fixed connection, the base left side is fixed with the nitrogen jar, and the base right side is fixed with the sodium hydroxide jar, smelting pot upper end opening, and be provided with the end cover on the upper end port of smelting pot, the end cover middle part is provided with gas circulation device, gas circulation device includes the circulation tube, and circulation tube from the top down is reflux chamber, filter chamber and pressure chamber triplex, and wherein the big upper end of pressure chamber lower extreme is little, and the pressure chamber is close to the concentric distribution of lower extreme port position and has the annular box, and the annular box is close to the lower limb position evenly distributed, and inside the spray tube one end led to the annular box, and the spray tube other end is located the annular box outside and slope downwards, and the upper side middle part of circulation tube is fixed with driving motor, and the bottom end port below is provided with first flabellum, driving motor's output shaft lower extreme and first output shaft fixed connection, and the top of the rotation of motor is provided with first flabellum, and the top is located with the second rotating ring and is connected with the top fixed edge between the fixed connection with the second rotating ring and the top of the second rotating ring, and the top is fixed with the top edge of the top is connected with the second rotating ring.
2. The environment-friendly aluminum ingot smelting furnace as claimed in claim 1, wherein filter cotton is arranged in the filter cavity, nozzles are uniformly distributed on the side wall of the filter cavity, nozzles point to the filter cotton, first annular pipes are concentrically distributed on the outer side of the filter cavity, the nozzles are communicated with the first annular pipes, the first annular pipes are communicated with a sodium hydroxide tank through first guide pipes, sodium hydroxide solution in the sodium hydroxide tank is sprayed to the filter cotton through the nozzles, on one hand, sulfur dioxide in circulating nitrogen is absorbed by sodium hydroxide, on the other hand, the filter cotton is wetted by the sodium hydroxide solution, and smoke particles are adsorbed by the filter cotton.
3. The environment-friendly aluminum ingot smelting furnace according to claim 1, wherein a plurality of L pipes are annularly distributed outside the air compressing cavity, the lower ends of the L pipes are led to the annular box, the upper ends of the L pipes are bent and are communicated with the backflow cavity, a second annular pipe is arranged above the L pipes, the L pipes are communicated with the second annular pipe, a second guide pipe is arranged between the second annular pipe and the nitrogen tank, one end of the second guide pipe is communicated with the second annular pipe, the other end of the second guide pipe is communicated with the nitrogen tank, a one-way valve is arranged at the communicating part of the second guide pipe and the nitrogen tank, nitrogen in the nitrogen tank flows in one way to the second guide pipe, a third guide pipe is arranged between the backflow cavity and the nitrogen tank, one end of the third guide pipe is communicated with the backflow cavity, the other end of the third guide pipe is communicated with the nitrogen tank, and a one-way valve is arranged at the communicating part of the third guide pipe and the nitrogen tank, so that the nitrogen flows in one way from the third guide pipe to the nitrogen tank.
4. The environment-friendly aluminum ingot smelting furnace according to claim 1, wherein when the lower end of the annular box is rotationally connected with an annular cylinder, a row of second fan blades are arranged in the annular cylinder, an opening at the upper end of the annular cylinder is communicated with the annular box, the lower end of the annular cylinder is sealed, six third supporting rods are arranged in the annular cylinder, one ends of the third supporting rods are fixedly connected with an output shaft of a driving motor, the other ends of the third supporting rods are fixedly connected with the upper edge of the inner wall of the annular cylinder, the other ends of the other three third supporting rods are fixedly connected with the lower edge of the inner wall of the annular cylinder, spray pipes are uniformly distributed at the position, close to the lower edge, of the outer wall of the annular cylinder, one ends of the spray pipes are led into the annular cylinder, and the other ends of the spray pipes are positioned outside the annular cylinder and are obliquely downward.
5. The environment-friendly aluminum ingot smelting furnace according to claim 1, wherein a plurality of rows of movable turbine blades are arranged between the first supporting rod and the second supporting rod in the air compressing cavity, the movable turbine blades are fixedly connected with an output shaft of the driving motor, a row of fixed turbine blades are arranged between two adjacent rows of movable turbine blades, the fixed turbine blades are fixedly connected with the air compressing cavity, and the movable turbine blades and the fixed turbine blades form an air compressor for compressing passing nitrogen.
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| CN202310805473.8A CN116697752B (en) | 2023-07-03 | 2023-07-03 | Environment-friendly aluminum ingot smelting furnace |
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| CN202310805473.8A CN116697752B (en) | 2023-07-03 | 2023-07-03 | Environment-friendly aluminum ingot smelting furnace |
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| CN116697752B true CN116697752B (en) | 2024-03-12 |
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| KR20030042086A (en) * | 2001-11-21 | 2003-05-28 | 주식회사 포스코 | APPARATUS FOR RECYCLING EXHAUST GAS AND REMOVING NOx |
| CN101649781A (en) * | 2008-08-11 | 2010-02-17 | 刘佳骏 | Jet engine |
| CN209416038U (en) * | 2018-12-29 | 2019-09-20 | 河南泰和汇金粉体科技有限公司 | A kind of alloy melting device |
| CN210886169U (en) * | 2019-11-28 | 2020-06-30 | 泸溪县安泰新材料科技有限责任公司 | Annular air injection device |
| CN113003551A (en) * | 2021-03-19 | 2021-06-22 | 尹克胜 | New technology for synthesizing aluminum nitride powder by melting and atomizing aluminum ingot and production unit thereof |
| CN114413624A (en) * | 2022-01-25 | 2022-04-29 | 湖北华力科技有限公司 | Environment-friendly energy-saving smelting furnace for aluminum ingot production |
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2023
- 2023-07-03 CN CN202310805473.8A patent/CN116697752B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030042086A (en) * | 2001-11-21 | 2003-05-28 | 주식회사 포스코 | APPARATUS FOR RECYCLING EXHAUST GAS AND REMOVING NOx |
| CN101649781A (en) * | 2008-08-11 | 2010-02-17 | 刘佳骏 | Jet engine |
| CN209416038U (en) * | 2018-12-29 | 2019-09-20 | 河南泰和汇金粉体科技有限公司 | A kind of alloy melting device |
| CN210886169U (en) * | 2019-11-28 | 2020-06-30 | 泸溪县安泰新材料科技有限责任公司 | Annular air injection device |
| CN113003551A (en) * | 2021-03-19 | 2021-06-22 | 尹克胜 | New technology for synthesizing aluminum nitride powder by melting and atomizing aluminum ingot and production unit thereof |
| CN114413624A (en) * | 2022-01-25 | 2022-04-29 | 湖北华力科技有限公司 | Environment-friendly energy-saving smelting furnace for aluminum ingot production |
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| CN116697752A (en) | 2023-09-05 |
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