CN114674147A - Environment-friendly secondary aluminum alloy smelting equipment - Google Patents

Abstract

The invention provides environment-friendly secondary aluminum alloy smelting equipment which comprises a machine shell and a crushing shell, wherein a stirring mechanism, a drawing mechanism and an auxiliary mechanism are arranged in the machine shell, and a crushing mechanism, a magnetic separation mechanism and a sealing mechanism are arranged in the crushing shell; the invention can crush, magnetically separate and smelt the waste aluminum alloy, improves the smelting efficiency of the regenerated aluminum alloy, can exhaust and purify gas according to the stirring speed through the piston and the filter plate, improves the waste gas purification efficiency of equipment, can separate magnetic metal mixed in the waste aluminum alloy through the electromagnet, avoids the waste of resources, improves the secondary utilization rate of the metal, and finally can avoid that the harmful gas generated during smelting the aluminum alloy is directly discharged into the air through the equipment so that the worker inhales too much harmful gas to harm the health of the worker through the sealing plate.

Description

Environment-friendly secondary aluminum alloy smelting equipment

Technical Field

The invention relates to the technical field of secondary aluminum alloy, in particular to environment-friendly secondary aluminum alloy smelting equipment.

Background

The secondary aluminum is aluminum alloy or aluminum metal obtained by remelting and refining waste aluminum and waste aluminum alloy materials or aluminum-containing waste materials, and is an important source of metal aluminum. Secondary aluminum is mainly present in the form of aluminum alloys. The properties of the regenerated aluminum are the same as those of the original aluminum, the regenerated aluminum ingot can be used for remelting, refining and purifying, various cast aluminum alloys and deformed aluminum alloys are prepared by adjusting chemical components, and then aluminum castings or plastic processing aluminum materials are further processed, and the current aluminum alloy smelting equipment has the following defects:

firstly, more additives are required to be added during smelting, and the additives react with various impurities in the molten aluminum to generate a large amount of waste gas and smoke dust, and simultaneously, harmful substances may be contained, which may pollute the environment;

secondly, when the renewable aluminum alloy is manufactured by secondary processing of waste aluminum materials, the waste aluminum materials are often doped with magnetic metal, and the magnetic metal cannot be effectively taken out of the aluminum materials, so that the resource waste of the magnetic metal is caused;

thirdly, the aluminum alloy can not be exhausted according to the quantity of the aluminum alloy when being smelted, so that the quantity of the aluminum alloy is more, more gas is generated easily, the gas can not be discharged out of the equipment in time, and the waste gas and dust can not be purified in time.

Disclosure of Invention

The invention aims to provide environment-friendly secondary aluminum alloy smelting equipment which is used for overcoming the defects in the prior art.

The environment-friendly secondary aluminum alloy smelting equipment comprises a machine shell, wherein a smelting cavity is arranged in the machine shell, a crushing shell is arranged on the top wall of the machine shell, a crushing cavity communicated with the smelting cavity is arranged in the crushing shell, a feeding groove communicated with the crushing cavity and communicated with the crushing cavity is fixedly arranged on the top wall of the crushing shell, a rotating cavity is arranged in the rear side wall of the crushing shell on the rear side of the crushing cavity, and a crushing mechanism for crushing waste aluminum is arranged in the rotating cavity;

a sealing mechanism for sealing the communication between the crushing cavity and the smelting cavity is arranged in the rear side wall of the crushing shell at the rear side of the crushing cavity;

a feeding pipe which penetrates through the right side wall of the smelting cavity and extends to the outer wall of the right side of the casing is communicated with the right side wall of the smelting cavity, heating pipes which are symmetrical in left and right positions are arranged in the left and right side walls of the smelting cavity, a discharge chute which penetrates through the bottom wall of the smelting cavity is communicated with the bottom wall of the smelting cavity, a ball valve is arranged in the discharge chute, and a stirring mechanism which is used for stirring aluminum scraps and accelerating the smelting speed is arranged in the smelting cavity;

a purification cavity is arranged in the rear side wall of the machine shell at the rear side of the smelting cavity, and a pumping mechanism for pumping waste gas out of the smelting cavity is arranged in the side wall of the machine shell between the purification cavity and the smelting cavity;

an auxiliary mechanism for assisting the drawing mechanism to work is arranged in the purification cavity.

Preferably, the crushing mechanism comprises two first rotating shafts which are rotatably connected into the rear side wall of the rotating cavity and are symmetrical in left and right positions, the first rotating shafts penetrate through the front side wall of the rotating cavity and extend to the front side wall of the crushing cavity, crushing wheels are fixedly arranged on the first rotating shafts in the crushing cavity, first gears are fixedly arranged on the first rotating shafts in the rotating cavity, a first motor for driving the left side to rotate is arranged in the rear side wall of the rotating cavity, and a magnetic separation mechanism for magnetically separating waste aluminum fragments is arranged in the rotating cavity.

Therefore, the waste aluminum alloy can be crushed, and magnetic separation and smelting can be conveniently carried out in the later period.

Preferably, magnetic separation mechanism including rotate connect in rotate behind the chamber on the lateral wall and extend to smash the driven shaft on the lateral wall before the chamber, rotate the intracavity have set firmly the second gear on the driven shaft, second gear and two install the chain between the first gear, smash the intracavity the equidistant six first connecting rods that have set firmly on the driven shaft, first connecting rod is kept away from one of driven shaft is served and is installed the electro-magnet.

Therefore, magnetic metal in the aluminum alloy can be selected, and waste of resources is avoided.

Preferably, the closing mechanism including set firmly in smash the intracavity rear side wall and with smash the slip chamber of chamber intercommunication, sliding connection has the closing plate on the slip chamber bottom wall, the rack has set firmly on the closing plate roof, install the second motor on the slip chamber roof, the second axis of rotation is installed to the second motor, set firmly in the second axis of rotation with rack toothing's third gear, set firmly on the purification chamber rear side wall and run through the casing rear side wall and extend to the outlet duct of casing rear side outer wall, be equipped with the pipeline in the outlet duct, install two second filter plates in the pipeline.

Therefore, the waste gas generated in the process of smelting the aluminum alloy can be prevented from directly flowing out from the upper part of the equipment, so that the environmental pollution and the harm to the health of workers can be avoided.

Preferably, the rabbling mechanism including set firmly in purify the interior third motor of lateral wall behind the chamber, install on the third motor and run through purify the chamber preceding lateral wall and extend to smelt the third axis of rotation of intracavity, smelt the intracavity fixed cover has heat-resisting sleeve in the third axis of rotation, six puddlers have set firmly at equidistant intervals on the heat-resisting sleeve, the puddler is kept away from heat-resisting sleeve is served and is set firmly the stirring leaf, purify the intracavity the worm wheel has set firmly in the third axis of rotation.

Therefore, the smelting speed of the aluminum alloy can be accelerated, and the smelting efficiency is improved.

Preferably, take out the mechanism including set firmly in smelt in the chamber rear side wall and with smelt the sliding tray of chamber intercommunication, sliding tray sliding connection has the piston, set firmly on the piston rear side wall and run through the sliding tray rear side wall extends to purify the pull rod of intracavity, the piston rear side be equipped with on the sliding tray bottom wall and run through the sliding tray diapire and with purify the air outlet tank of chamber intercommunication, install first filter plate in the air outlet tank, smelt install on the chamber front side wall with the air-blower that sliding tray position level corresponds.

Therefore, harmful waste gas and dust generated by smelting can be removed from the interior of the equipment, and the phenomenon that workers inhale too much harmful gas to cause body damage is avoided.

Preferably, complementary unit includes sliding connection in purify the slide bar on the chamber roof, the slide bar lower extreme has set firmly reciprocating block, reciprocating block is equipped with in the running through reciprocating block the reciprocal groove of lateral wall about reciprocating block, it is connected with to run through to rotate on the chamber right side wall reciprocating groove extends to purify worm on the chamber left side wall, the worm with the worm wheel meshing, reciprocating inslot the cam has set firmly on the worm, the cam with reciprocating groove's front and back lateral wall supports to press to be connected, purify the intracavity the pull rod with reciprocating block preceding lateral wall fixed connection, it runs through to set firmly on the chamber rear side wall casing rear side wall extends to the outlet duct of casing rear side outer wall, be equipped with the pipeline in the outlet duct, install two second filter plates in the pipeline.

Therefore, the gas can be exhausted and purified according to the stirring speed, and the waste gas purification efficiency of the equipment is improved.

The invention has the beneficial effects that:

the crushing mechanism, the magnetic separation mechanism, the sealing mechanism, the stirring mechanism, the extraction mechanism and the auxiliary mechanism can crush, magnetically separate and smelt the waste aluminum alloy, so that the smelting efficiency of the regenerated aluminum alloy is improved;

meanwhile, the piston and the filter plate can exhaust and purify gas according to the stirring speed, so that the waste gas purification efficiency of the equipment is improved;

the electromagnet provided by the invention can be used for separating magnetic metals mixed in waste aluminum alloy, so that the waste of resources is avoided, and the secondary utilization rate of the metals is improved;

finally, the sealing plate provided by the invention can prevent the harm to the health of workers caused by the fact that the workers inhale too much harmful gas because the harmful gas generated in the process of smelting the aluminum alloy is directly discharged into the air through equipment.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of the overall structure of an environment-friendly recycled aluminum alloy smelting apparatus according to the present invention;

FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view of the closure mechanism of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic view of B-B of FIG. 3 according to the present invention;

FIG. 6 is a schematic view of C-C of FIG. 5 according to the present invention;

FIG. 7 is a schematic view of the extraction mechanism of FIG. 3 of the present invention;

as shown in the figure:

10. a housing; 11. a smelting chamber; 12. crushing the shell; 13. a grinding chamber; 14. a feed chute; 15. a first rotating shaft; 16. a grinding wheel; 17. a rotation chamber; 18. a first gear; 19. a first motor; 20. a chain; 21. a driven shaft; 22. a second gear; 23. a first link; 24. an electromagnet; 25. a sliding cavity; 26. sealing plates; 27. a rack; 28. a second motor; 29. a second rotating shaft; 30. a third gear; 31. a feed tube; 32. a blower; 33. heating a tube; 34. a discharge chute; 35. a ball valve; 36. a purification chamber; 37. a third motor; 38. a third rotating shaft; 39. a heat resistant sleeve; 40. a stirring rod; 41. stirring blades; 42. a worm gear; 43. a worm; 44. a slide bar; 45. a reciprocating block; 46. a reciprocating groove; 47. a cam; 48. a sliding groove; 49. a piston; 50. a pull rod; 51. an air outlet groove; 52. a first filter plate; 53. an air outlet pipe; 54. a pipeline; 55. a second filter plate; 56. a crushing mechanism; 57. a magnetic separation mechanism; 58. a sealing mechanism; 59. a stirring mechanism; 60. a drawing mechanism; 61. an auxiliary mechanism.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the embodiments as follows:

referring to the attached drawings 1-7, the environment-friendly secondary aluminum alloy smelting equipment comprises a machine shell 10, wherein a smelting cavity 11 is arranged in the machine shell 10, a crushing shell 12 is arranged on the top wall of the machine shell 10, a crushing cavity 13 communicated with the smelting cavity 11 is arranged in the crushing shell 12, a feeding groove 14 communicated with the crushing cavity 13 and communicated with the crushing cavity is fixedly arranged on the top wall of the crushing shell 12, a rotating cavity 17 is arranged in the rear side wall of the crushing shell 12 at the rear side of the crushing cavity 13, and a crushing mechanism 56 for crushing waste aluminum is arranged in the rotating cavity 17;

a sealing mechanism 58 for sealing the communication between the crushing cavity 13 and the smelting cavity 11 is arranged in the rear side wall of the crushing shell 12 at the rear side of the crushing cavity 13;

a feeding pipe 31 which penetrates through the right side wall of the smelting cavity 11 and extends to the outer wall of the right side of the machine shell 10 is communicated with the right side wall of the smelting cavity 11, heating pipes 33 which are symmetrical in left and right positions are arranged in the left and right side walls of the smelting cavity 11, a discharge groove 34 which penetrates through the bottom wall of the smelting cavity 11 is communicated with the bottom wall of the smelting cavity 11, a ball valve 35 is arranged in the discharge groove 34, and a stirring mechanism 59 which is used for stirring aluminum scraps and accelerating the smelting speed is arranged in the smelting cavity 11;

a purification cavity 36 is arranged in the rear side wall of the machine shell 10 at the rear side of the smelting cavity 11, and an extraction mechanism 60 for extracting waste gas from the smelting cavity 11 is arranged in the side wall of the machine shell 10 between the purification cavity 36 and the smelting cavity 11;

an auxiliary mechanism 61 for assisting the operation of the drawing mechanism 60 is provided in the purge chamber 36.

Further, the crushing mechanism 56 includes two first rotating shafts 15 which are rotatably connected in the rear side wall of the rotating cavity 17 and are symmetrical in left and right positions, the first rotating shafts 15 penetrate through the front side wall of the rotating cavity 17 and extend to the front side wall of the crushing cavity 13, crushing wheels 16 are fixedly arranged on the first rotating shafts 15 in the crushing cavity 13, first gears 18 are fixedly arranged on the first rotating shafts 15 in the rotating cavity 17, a first motor 19 for driving the first rotating shafts 15 on the left side to rotate is arranged in the rear side wall of the rotating cavity 17, a magnetic separation mechanism 57 for magnetically separating the waste aluminum fragments is arranged in the rotating cavity 17, and when the first motor 19 is started, the first motor 19 drives the first gears 18 on the left side to rotate through the first rotating shafts 15 on the left side.

Further, the magnetic separation mechanism 57 comprises a driven shaft 21 rotatably connected to the rear side wall of the rotating chamber 17 and extending to the front side wall of the crushing chamber 13, a second gear 22 is fixedly arranged on the driven shaft 21 in the rotating cavity 17, a chain 20 is arranged between the second gear 22 and the two first gears 18, six first connecting rods 23 are fixedly arranged on the driven shaft 21 in the crushing cavity 13 at equal intervals, an electromagnet 24 is arranged on one end of the first connecting rod 23 far away from the driven shaft 21, when the left first gear 18 rotates, the left first gear 18 drives the right first gear 18 and the right second gear 22 to rotate through the chain 20, the second gear 22 drives six electromagnets 24 to make a circular motion through the driven shaft 21 and the first connecting rod 23, and the two first gears 18 respectively drive the grinding wheel 16 to make a rotation through the two first rotating shafts 15.

Further, the closing mechanism 58 comprises a sliding chamber 25 fixedly arranged in the rear side wall of the crushing chamber 13 and communicated with the crushing chamber 13, a sealing plate 26 is connected on the bottom wall of the sliding cavity 25 in a sliding manner, a rack 27 is fixedly arranged on the top wall of the sealing plate 26, a second motor 28 is arranged on the top wall of the sliding cavity 25, a second rotating shaft 29 is arranged on the second motor 28, a third gear 30 engaged with the rack 27 is fixedly arranged on the second rotating shaft 29, an air outlet pipe 53 penetrating through the rear side wall of the machine shell 10 and extending to the outer wall of the rear side of the machine shell 10 is fixedly arranged on the rear side wall of the purifying cavity 36, a pipeline 54 is arranged in the air outlet pipe 53, two second filter plates 55 are arranged in the pipeline 54, when the second motor 28 is started, the second motor 28 drives the third gear 30 to rotate through the second rotating shaft 29, the third gear 30 moves the sealing plate 26 toward the pulverization chamber 13 by engaging with the rack 27.

Further, the stirring mechanism 59 comprises a third motor 37 fixedly arranged on the rear side wall of the purification cavity 36, the third motor 37 is provided with a third rotating shaft 38 which penetrates through the front side wall of the purification cavity 36 and extends to the smelting cavity 11, the third rotating shaft 38 in the smelting cavity 11 is fixedly sleeved with a heat-resistant sleeve 39, six stirring rods 40 are fixedly arranged on the heat-resistant sleeve 39 at equal intervals, one end, away from the heat-resistant sleeve 39, of each stirring rod 40 is fixedly provided with a stirring blade 41, the third rotating shaft 38 in the purification cavity 36 is fixedly provided with a worm gear 42, when the third motor 37 is started, the third motor 37 drives the worm gear 42 and the heat-resistant sleeve 39 to rotate through the third rotating shaft 38, and the heat-resistant sleeve 39 drives six stirring blades 41 to perform circular motion through the stirring rods 40.

Further, the withdrawing mechanism 60 comprises a sliding groove 48 fixedly arranged in the rear side wall of the smelting chamber 11 and communicated with the smelting chamber 11, a piston 49 is connected in the sliding groove 48 in a sliding way, a pull rod 50 which penetrates through the rear side wall of the sliding groove 48 and extends into the purifying cavity 36 is fixedly arranged on the rear side wall of the piston 49, an air outlet groove 51 which penetrates through the bottom wall of the sliding groove 48 and is communicated with the purification cavity 36 is arranged on the bottom wall of the sliding groove 48 at the rear side of the piston 49, a first filter plate 52 is arranged in the air outlet groove 51, a blower 32 horizontally corresponding to the sliding groove 48 is arranged on the front side wall of the smelting cavity 11, when the piston 49 moves, the blower 32 is started, and the blower 32 and the piston 49 draw the waste gas in the smelting chamber 11 into the purifying chamber 36 through the sliding groove 48 and the gas outlet groove 51.

Further, the auxiliary mechanism 61 includes a sliding rod 44 slidably connected to the top wall of the purification chamber 36, a reciprocating block 45 is fixedly arranged at the lower end of the sliding rod 44, a reciprocating groove 46 penetrating through the left and right side walls of the reciprocating block 45 is arranged in the reciprocating block 45, a worm 43 penetrating through the reciprocating groove 46 and extending to the left side wall of the purification chamber 36 is rotatably connected to the right side wall of the purification chamber 36, the worm 43 is engaged with the worm wheel 42, a cam 47 is fixedly arranged on the worm 43 in the reciprocating groove 46, the cam 47 is connected with the front and rear side walls of the reciprocating groove 46 in a pressing manner, the pull rod 50 in the purification chamber 36 is fixedly connected with the front side wall of the reciprocating block 45, when the worm wheel 42 rotates, the worm wheel 42 drives the worm 43 to rotate by being engaged with the worm 43, the worm 43 drives the cam 47 to drive, the cam 47 drives the reciprocating block 45 to move back and forth by being connected with the front and rear side walls of the reciprocating groove 46 in a pressing manner, the reciprocating block 45 drives the piston 49 to move back and forth through the pull rod 50.

The invention relates to an environment-friendly secondary aluminum alloy smelting device, which comprises the following working procedures:

when a worker pours aluminum scrap into the crushing cavity 13 through the feeding chute 14, the first motor 19 is started, the first motor 19 drives the first left gear 18 to rotate through the first left rotating shaft 15, the first left gear 18 drives the first right gear 18 and the second right gear 22 to rotate through the chain 20, the second gear 22 drives six electromagnets 24 to perform circular motion through the driven shaft 21 and the first connecting rod 23, the two first gears 18 respectively drive the crushing wheels 16 to rotate through the two first rotating shafts 15, the two crushing wheels 16 crush the aluminum scrap, the electromagnets 24 are started, and the electromagnets 24 suck magnetic metal in the aluminum scrap through the six electromagnets 24 which perform circular motion of the aluminum scrap of the two crushing wheels 16, the aluminum scraps fall into the bottom wall of the smelting cavity 11;

after the aluminum scrap is completely crushed, the second motor 28 is started, the second motor 28 drives the third gear 30 to rotate through the second rotating shaft 29, the third gear 30 drives the sealing plate 26 to move towards the crushing cavity 13 through being meshed with the rack 27, and the sealing plate 26 seals and separates the crushing cavity 13 from the smelting cavity 11, so that the waste gas generated by smelting is prevented from directly floating into the air through the feed chute 14;

the heating pipe 33 is started, the heating pipe 33 heats the smelting cavity 11, a refining agent is introduced into the feeding pipe 31, the third motor 37 is started, the third motor 37 drives the worm wheel 42 and the heat-resistant sleeve 39 to rotate through the third rotating shaft 38, the heat-resistant sleeve 39 drives six stirring blades 41 to perform circular motion through the stirring rod 40, the stirring blades 41 and the stirring rod 40 fully stir the molten aluminum and the refining agent in the smelting cavity 11, the worm wheel 42 drives the worm 43 to rotate through meshing with the worm 43, the worm 43 drives the cam 47 to drive, the cam 47 drives the reciprocating block 45 through abutting-pressing connection with the front and rear side walls of the reciprocating groove 46, the reciprocating block 45 drives the piston 49 to move back and forth through the pull rod 50 to perform piston motion, the blower 32 and the piston 49 pump the waste gas in the smelting cavity 11 into the purifying cavity 36 through the sliding groove 48 and the gas outlet groove 51, and the waste gas and dust are filtered by the first filter plate 52 and the two second filter plates 55 and are discharged out of the equipment;

after the smelting is finished, the ball valve 35 is opened, and the aluminum alloy liquid obtained by remelting flows out of the discharge chute 34.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It will be appreciated by those skilled in the art that changes could be made to the embodiments described above without departing from the broad inventive concept thereof. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims (7)

1. The utility model provides an equipment is smelted to environment-friendly regeneration aluminum alloy, includes casing (10), its characterized in that: a smelting chamber (11) is arranged in the machine shell (10), a crushing shell (12) is arranged on the top wall of the machine shell (10), a crushing chamber (13) communicated with the smelting chamber (11) is arranged in the crushing shell (12), a feeding groove (14) communicated with the crushing chamber (13) and vertically communicated with the crushing chamber is fixedly arranged on the top wall of the crushing shell (12), a rotating chamber (17) is arranged in the rear side wall of the crushing shell (12) at the rear side of the crushing chamber (13), and a crushing mechanism (56) for crushing waste aluminum is arranged in the rotating chamber (17);

a sealing mechanism (58) for sealing the communication between the crushing cavity (13) and the smelting cavity (11) is arranged in the rear side wall of the crushing shell (12) at the rear side of the crushing cavity (13);

a feeding pipe (31) which penetrates through the right side wall of the smelting chamber (11) and extends to the outer wall of the right side of the casing (10) is communicated with the right side wall of the smelting chamber (11), heating pipes (33) which are symmetrical in left and right positions are arranged in the left and right side walls of the smelting chamber (11), a discharge chute (34) which penetrates through the bottom wall of the smelting chamber (11) is communicated with the bottom wall of the smelting chamber (11), a ball valve (35) is arranged in the discharge chute (34), and a stirring mechanism (59) which is used for stirring aluminum scraps to accelerate the smelting speed is arranged in the smelting chamber (11);

a purification cavity (36) is arranged in the rear side wall of the machine shell (10) at the rear side of the smelting cavity (11), and an extraction mechanism (60) for extracting waste gas from the smelting cavity (11) is arranged in the side wall of the machine shell (10) between the purification cavity (36) and the smelting cavity (11);

an auxiliary mechanism (61) for assisting the extraction mechanism (60) to work is arranged in the purification cavity (36).

2. The environment-friendly secondary aluminum alloy melting equipment as claimed in claim 1, wherein: crushing mechanism (56) including rotate connect in rotate chamber (17) rear side wall and two first axis of rotation (15) of bilateral symmetry, first axis of rotation (15) run through rotate chamber (17) front side wall and extend to on crushing chamber (13) front side wall, crushing wheel (16) have set firmly on first axis of rotation (15) in crushing chamber (13), rotate chamber (17) in first axis of rotation (15) on set firmly first gear (18), it drives the left side to install in rotation chamber (17) rear side wall first axis of rotation (15) pivoted first motor (19), be equipped with magnetic separation mechanism (57) to the magnetic separation of aluminium scrap piece in rotation chamber (17).

3. The environment-friendly secondary aluminum alloy melting equipment as claimed in claim 2, wherein: magnetic separation mechanism (57) including rotate connect in rotate on chamber (17) rear side wall and extend to smash driven shaft (21) on chamber (13) front side wall, rotate in chamber (17) second gear (22) have set firmly on driven shaft (21), second gear (22) and two install chain (20) between first gear (18), smash in chamber (13) equidistant six first connecting rod (23) have set firmly on driven shaft (21), first connecting rod (23) are kept away from one of driven shaft (21) is served and is installed electro-magnet (24).

4. The environment-friendly secondary aluminum alloy melting equipment as claimed in claim 1, wherein: sealing mechanism (58) including set firmly in smash in chamber (13) rear side wall and with smash slip chamber (25) of chamber (13) intercommunication, sliding connection has closing plate (26) on slip chamber (25) diapire, rack (27) have been set firmly on closing plate (26) roof, install second motor (28) on slip chamber (25) roof, second axis of rotation (29) are installed in second motor (28), set firmly on second axis of rotation (29) with third gear (30) of rack (27) meshing, set firmly on purifying chamber (36) rear side wall and run through casing (10) rear side wall and extend to outlet duct (53) of casing (10) rear side outer wall, be equipped with pipeline (54) in outlet duct (53), install two second filter plates (55) in pipeline (54).

5. The environment-friendly secondary aluminum alloy melting equipment as claimed in claim 1, wherein: rabbling mechanism (59) including set firmly in purify third motor (37) in chamber (36) rear side wall, install on third motor (37) and run through purify chamber (36) front side wall and extend to smelt third axis of rotation (38) in chamber (11), smelt in chamber (11) fixed cover has heat-resisting sleeve (39) on third axis of rotation (38), equidistant six puddler (40) have set firmly in heat-resisting sleeve (39), puddler (40) are kept away from one of heat-resisting sleeve (39) is served and is set firmly stirring leaf (41), purify in chamber (36) worm wheel (42) have set firmly on third axis of rotation (38).

6. The environment-friendly secondary aluminum alloy melting equipment as claimed in claim 1, wherein: draw mechanism (60) including set firmly in smelt in chamber (11) the rear side wall and with smelt sliding tray (48) of chamber (11) intercommunication, sliding tray (48) sliding connection has piston (49), set firmly on piston (49) the rear side wall and run through sliding tray (48) rear side wall extends to purify pull rod (50) in chamber (36), piston (49) rear side be equipped with on sliding tray (48) diapire and run through sliding tray (48) diapire and with purify air outlet groove (51) of chamber (36) intercommunication, install first filter plate (52) in air outlet groove (51), smelt install on the chamber (11) preceding lateral wall with air-blower (32) that sliding tray (48) position level corresponds.

7. The environment-friendly secondary aluminum alloy melting equipment as claimed in claim 5, wherein: complementary unit (61) including sliding connection in purify slide bar (44) on chamber (36) roof, slide bar (44) lower extreme has set firmly reciprocating block (45), be equipped with in reciprocating block (45) and run through reciprocating block (45) left and right sides lateral wall's reciprocal groove (46), it runs through to rotate on the chamber (36) right side lateral wall to purify and be connected with on the chamber (36) right side wall reciprocating groove (46) and extend to purify worm (43) on chamber (36) left side wall, worm (43) with worm wheel (42) meshing, in reciprocating groove (46) worm (43) are last to have set firmly cam (47), cam (47) with reciprocating groove (46) the front and back lateral wall is supported to press and is connected, purify in chamber (36) pull rod (50) with reciprocating block (45) front side wall fixed connection.

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