CN102619764A - Paddling type aluminum liquid continuous circulation device and method thereof - Google Patents

Paddling type aluminum liquid continuous circulation device and method thereof Download PDF

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Publication number
CN102619764A
CN102619764A CN2012101206074A CN201210120607A CN102619764A CN 102619764 A CN102619764 A CN 102619764A CN 2012101206074 A CN2012101206074 A CN 2012101206074A CN 201210120607 A CN201210120607 A CN 201210120607A CN 102619764 A CN102619764 A CN 102619764A
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China
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blade
aluminium liquid
channel
aluminium
district
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CN2012101206074A
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Chinese (zh)
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樊荣
毛协民
刘济华
毛协农
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN2012101206074A priority Critical patent/CN102619764A/en
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Abstract

The invention relates to a paddling type aluminum liquid continuous circulation device and a method thereof. The device comprises an aluminum melting furnace and an aluminum liquid circulation drive mechanism, wherein a lateral well body is arranged beside the aluminum melting furnace; a circulation aluminum liquid tank in the lateral well body is communicated with the aluminum melting furnace; and the aluminum liquid circulation drive mechanism is arranged on the lateral well body and comprises paddle blades, a paddle blade rotating device, a chain sprocket device, a motor and the like. The method comprises the following steps of simulating a paddling action, and operating the device by a principle of squeezing and delivering aluminum liquid by using a plurality of paddle blades of the paddle type aluminum liquid continuous circulation device, so that the aim of continuously delivering the aluminum liquid is fulfilled.

Description

Continuous circulation means of oaring type aluminium liquid and method
Technical field
The present invention relates to a kind of continuous circulation means of oaring type aluminium liquid and method, realize that aluminium liquid circulates continuously in molten aluminium stove.It belongs to the Metal Melting technical field.
Background technique
The circulation of aluminium liquid is a core link of implementing the low smelting heat patented technology in the molten aluminium stove, also be realize that aluminum alloy is efficient, the important measures of low energy consumption, low spillage of material melting.Promote at present both at home and abroad the moving aluminium liquid circuit drive unit of implementing of aluminium flow and have two big types basically: be the mechanical centrifugal aluminium liquid pump of representative and be the electromagnetism aluminium liquid pump (comprising electromagnetic pump and permanent magnet pump) of driving force with the electromagnetic force with the Lotuss type recycle pump of the U.S..
In fact the centrifugal aluminium liquid pump of machinery is exactly the driving that the principle of centrifugal water pump is used for aluminium liquid.That use the most successfully at present is the Tensor of the U.S. TMType aluminium liquid pump.But because this pump operation needs to require to use down in strict and complicated technological operation, and the renewal cost of impeller and the pump housing and other easily damaged partss reaches surprising height (according to the quotation of the said firm, surplus the renewal cost of the easily damaged parts in every year reaches 30 ten thousand yuan).High maintenance cost makes this aluminium liquid pump only be useful on the molten aluminium stove (tonnage is more than 60 tons) of large-tonnage, and is just possible.The electromagnetism aluminium liquid pump that with the electromagnetic force is driving force is because of its cost and the spent electric energy (per hour Baidu is attend in power consumption) of circulation of keeping aluminium liquid, and the serviceability temperature of permanent magnet pump is unsuitable too high, and the phenomenon of decline gradually that is magnetic.And make this is the electromagnetism aluminium liquid pump (comprising electromagnetic pump and permanent magnet pump) of driving force with the electromagnetic force, also can only be used for the stirring of short time and be not used in aluminium liquid circulating for a long time.
Patent ' reciprocating type aluminum liquid circulating device ' (application number: 200810107399.8) be a kind of interior aluminium liquid circuit method of the molten aluminium stove of to-and-fro motion realization of utilizing blade.In the process of blade, the blade face promotes aluminum liquid movement, and the aluminium liquid of high temperature from the heating chamber sucking-off, is pushed feed compartment to the interior aluminium liquid of aluminium liquid bath simultaneously.When return, blade rotates 90o in aluminium liquid, makes its blade face along the moving direction of aluminium flow, aluminium flow movable property is not given birth to when fairshaped cross section is returned blade and disturbs.So back and forth, reach the purpose that aluminium liquid is transported to feed compartment from heating chamber.It has solved centrifugal aluminium liquid pump of above-mentioned machinery and electromagnetism aluminium liquid pump (comprising electromagnetic pump and permanent magnet pump) two eka-aluminum liquid feedways existing problem in service, has reduced the manufacture cost and the day-to-day operation expense of aluminium liquid feeding device significantly.But (application number: what 200810107399.8) realize is that gap to aluminium liquid transports to this patent of invention ' reciprocating type aluminum liquid circulating device ', promptly is flowing of a kind of aluminium liquid pulsating nature, and aluminium liquid surface is destroyed easily, and the aluminium liquid oxidation is air-breathing relatively more severe.
This method is simulation ' paddle ' action; Utilize the blade 1 of the oaring type aluminium liquid feeding device (Fig. 1) of a plurality of blades to squeeze to send the principle of aluminium liquid and work: when blade 1 moves in circulation channel J district; Move to single direction in aluminium liquid on the blade face of blade, promotes aluminum liquid movement, with the channel mouth G district suction channel of aluminium liquid from molten aluminium stove (I); Release the aluminium liquid in the channel J district by channel mouth (H district) simultaneously, get into the molten bath (I district) of molten aluminium stove.When blade moves in backhaul ditch K district; Blade 1 rotates 90o in aluminium liquid; Make its blade face along backhaul ditch K district axial direction, aluminium liquid produce is not promoted the variable cross section in backhaul ditch K district when fairshaped cross section is returned blade; When making blade through backhaul ditch K district, moving interference reaches minimum to the aluminium flow; After blade 1 was back to initial point, blade 1 rotated 90o once more in aluminium liquid, was back to original blade face perpendicular to the axis of movement state, got into the standby condition of ' paddle ' for the second time.So back and forth, reach transporting of aluminium liquid, and because of having adopted a plurality of blades, thereby realized transporting continuously the purpose of aluminium liquid.Because transporting continuously of aluminium liquid flowed steadily, the surface wave of aluminium liquid is little, and the patina on surface is survivable, and the oxidation of aluminium liquid is air-breathing to be improved.
The blade 1 that this invention utilizes the motivational drive of a plurality of blade 1 motion realization aluminium liquid circulation variable-frequency motors 5 that 4 drives of sprocket wheel chain are immersed in the aluminium liquid rotates along the track of setting; Cause the aluminium liquid in the channel to flow along moving direction; With the side channel mouth G district entering channel J district of the aluminium liquid in the molten aluminium stove I district from molten aluminium stove I district; Flow back to the I district, molten bath of smelting furnace again by the channel mouth H district of the other end of channel; And a plurality of blades 1 are arranged, and motion (seeing accompanying drawing 2) on the movement locus of particular design, thus realized the continuous circulation of aluminium liquid in molten aluminium stove.Blade whirligig 3 is accomplished the rotation of blades at appointed positions (a, e point) 90o, realizes that blade 1 blade face when backhaul is parallel with moving direction, aluminium liquid is not produced promotion when reaching blade and returning.Blade clamp holder 3 is clamped in blade 1 on the chain, makes blade 1 follow chain 4 and moves along movement locus.
A plurality of blades 1 in this invention are that propeller path and the state along particular design moves, and realize transporting continuously aluminium liquid.Propeller path (a → b → c → d → e → f → a) form: form for 4 sections by a-b straight line, b-c-d camber line, d-e straightway and e-f-a straightway in the accompanying drawing 2 by 4 sections.A-b straight line, b-c-d camber line, d-e straightway constitute aluminium liquid circulation section for three sections; The e-f-a straightway constitutes the backhaul section of blade 1.When blade 1 moved at circulation section (a-b-c-d-e), the blade face was perpendicular to movement locus (a-b-c-d-e section) direction.At the specified point (a, c point) of propeller path, blade changes 90 ゜ respectively, makes the blade face be parallel to moving direction in backhaul section (e-f-a section), and when getting into circulation section (a-b-c-d-e section), the blade face returns to and the movement locus plumbness again.When blade 1 moves in circulation channel (J district); Move to single direction in aluminium liquid on the blade face of blade; Promote aluminum liquid movement,, release the aluminium liquid in the channel (J district) by channel mouth (H district) simultaneously the channel mouth G district suction channel of aluminium liquid from molten aluminium stove (I).When blade moved in backhaul ditch (K district), blade 1 rotated 90o in aluminium liquid, make its blade face along backhaul ditch K district axial direction, aluminium liquid produce is not promoted when fairshaped cross section is returned blade 1.Like this, blade 1 moving and, obtained the most effectively aluminium liquid conveying capacity along this track the turning to of certain location.And because of a plurality of blades move, thereby realized transporting continuously of aluminium liquid on movement locus.
The present invention adopts the blade 1 of high tenacity, anti-chilling and shock heating performance is good, the liquid of anti-aluminium washes away extraordinary Composite Preparation, long service life, and price is far below the price of easily damaged partss such as the impeller of the Lotuss type recycle pump of the U.S. and pump housing base ring.The oaring type aluminium liquid feeding device of this a plurality of blades, working service is simple, and maintenance cost is low.And equipment is simple, the disposable apparatus less investment.Help applying in middle-size and small-size secondary aluminium manufacturing enterprise.
Summary of the invention
The objective of the invention is to the defective that exists to prior art, a kind of continuous circulation means of oaring type aluminium liquid and method of having improved is provided, realize transporting continuously aluminium liquid; The aluminium flow is steadily moving; Aluminium liquid surface wave is little, and the patina on surface is survivable, and the oxidation of aluminium is air-breathing to improve.
For reaching the foregoing invention purpose, the present invention adopts following technical proposals:
The continuous circulation means of a kind of oaring type aluminium liquid; Comprise a molten aluminium stove and aluminium liquid circulation driving mechanism: molten aluminium stove is other to be provided with side well body, and aluminium liquid circle groove is arranged in the side well body, is " D " font channel; Constitute by J district and K district; Wherein " U " shape section channel is the J district, and two ends are imported and exported (G, H) through channel respectively and connected molten aluminium stove, and the straight line Connectivity Section channel at two ends, J district is the K district; Aluminium liquid circulation driving mechanism comprises 6-12 blade, paddle shaft, blade whirligig, the sprocket chain device that drives the blade motion, variable-frequency motor and speed reducer, support, thermal baffle and the blade clamp holder of driving sprocket wheel chain movement, and a whole set of aluminium liquid driving mechanism is installed on the side well body; The several supports of solid matrix upper fixed at side well body center; Thermal baffle then is installed on support; Sprocket chain device is installed on the thermal baffle, and variable-frequency motor is connected and transmission through belt pulley with sprocket chain device with speed reducer, and the blade clamp holder is connected on the sprocket chain device; Blade is then clamped paddle shaft through the blade clamp holder and is fixed, and the blade whirligig is installed in thermal baffle upper fixed position.
The continuous circulation method of a kind of oaring type aluminium liquid is applied to said apparatus and realizes the circulation of aluminium liquid, it is characterized in that: simulation ' paddle ' action; Utilize blade to squeeze the principle of sending aluminium liquid; When blade was moved in circulation channel (J), the blade face of blade was vertical with the moving direction of aluminium flow and move the promotion aluminum liquid movement to the moving direction of aluminium flow in aluminium liquid; Aluminium liquid is sucked J district channel from molten aluminium stove (I) through channel import (G), release the aluminium liquid in the J district channel by channel outlet (H) simultaneously.Blade is at the backhaul ditch---and when moving in the K district, blade rotates 90o in aluminium liquid, makes the moving direction of its blade face and aluminium flow consistent, promptly along the backhaul ditch---K district axial direction does not produce promotion to aluminium liquid when the fairshaped cross section of blade is returned blade; After being back to initial point, blade rotates 90o once more in aluminium liquid, is back to original blade face perpendicular to the axis of movement state, gets into the standby condition of ' paddle ' for the second time; So back and forth, reach transporting of aluminium liquid; And because of having adopted a plurality of blades, thereby realized transporting continuously the purpose of aluminium liquid.
Said propeller path is formed by 4 sections: first straightway (a-b), arc (b-c-d), second straightway (d-e) and the 3rd straightway (e-f-a) are formed; First straightway (a-b), arc (b-c-d), second straightway (d-e) constitute aluminium liquid circulation section for three sections; The 3rd straightway (e-f-a) constitutes the backhaul section of blade; When blade moved at circulation section (a-b-c-d-e), the blade face was perpendicular to movement locus (a-b-c-d-e) direction; Two specified points (a, c) at propeller path are located; Blade changes 90 ゜ respectively---and gear and a, the fixing blade whirligig in c place through the paddle shaft top are accomplished rotation; Make the blade face be parallel to moving direction in backhaul section (e-f-a); And when getting into circulation section (a-b-c-d-e), the blade face returns to and the movement locus plumbness again; When blade moves in circulation channel (J) (being the a-b-c-d-e section); Move to single direction in aluminium liquid on the blade face of blade; Promote aluminum liquid movement,, release the aluminium liquid in the J district channel by channel outlet (H) simultaneously channel import (G) the suction channel of aluminium liquid from molten aluminium stove (I); When blade moved in backhaul ditch (K) (being the e-f-a section), blade rotated 90o in aluminium liquid, make its blade face along the backhaul ditch---and K district axial direction does not produce promotion to aluminium liquid when fairshaped cross section is returned blade; Like this, blade moving and, obtained the most effectively aluminium liquid conveying capacity along this track the turning to of certain location; And because of a plurality of blades move, thereby realized transporting continuously of aluminium liquid on movement locus.
The channel in said backhaul variable cross section channel---K district is and the axisymmetric variable cross section in side well center: channel and cross section, central shaft intersection location place are to be sufficient to the smallest cross-sectional that blade can pass through; Utilize this from large to small, become big sectional area by minimum again and change, make blade backhaul produced disturbs the aluminium flow is moving, reach minimum.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable progress compared with prior art:
The present invention adopts many blade simulations " paddle " action, utilizes oaring type aluminium liquid to circulate continuously, and the aluminium flow is steadily moving, and aluminium liquid surface wave is little, and the patina on surface is survivable, and the oxidation of aluminium is air-breathing to improve.
Description of drawings
Fig. 1 is the continuous circulation means structural representation of oaring type aluminium liquid of the present invention.
Fig. 2 is a propeller path schematic representation among Fig. 1.
Embodiment
The preferred embodiments of the present invention combine detailed description of the drawings following:
Embodiment one:
Referring to Fig. 1, the continuous circulation means of this oaring type aluminium liquid comprises a molten aluminium stove and aluminium liquid circulation driving mechanism: the other side well body that is provided with of molten aluminium stove; Aluminium liquid circle groove is arranged in the side well body; Be " D " font channel, be made up of J district and K district, wherein " U " shape section channel is the J district; Two ends are imported and exported (G, H) through channel respectively and are connected molten aluminium stove, and the straight line Connectivity Section channel at two ends, J district is the K district; Aluminium liquid circulation driving mechanism comprises 6-12 blade, paddle shaft, blade whirligig, the sprocket chain device that drives the blade motion, variable-frequency motor and speed reducer, support, thermal baffle and the blade clamp holder of driving sprocket wheel chain movement, and a whole set of aluminium liquid driving mechanism is installed on the side well body; The several supports of solid matrix upper fixed at side well body center; Thermal baffle then is installed on support; Sprocket chain device is installed on the thermal baffle, and variable-frequency motor is connected and transmission through belt pulley with sprocket chain device with speed reducer, and the blade clamp holder is connected on the sprocket chain device; Blade is then clamped paddle shaft through the blade clamp holder and is fixed, and the blade whirligig is installed in thermal baffle upper fixed position.
Embodiment two:
Referring to Fig. 1 and Fig. 2, the continuous circulation method of this oaring type aluminium liquid, the device that is applied to embodiment one is realized the circulation of aluminium liquid.

Claims (4)

1. the continuous circulation means of oaring type aluminium liquid comprises a molten aluminium stove and aluminium liquid circulation driving mechanism, it is characterized in that:
1) said molten aluminium stove is other is provided with side well body (6), and aluminium liquid circle groove is arranged in the side well body, is " D " font channel; Constitute by J district and K district; Wherein " U " shape section channel is the J district, and two ends are imported and exported (G, H) through channel respectively and connected molten aluminium stove, and the straight line Connectivity Section channel at two ends, J district is the K district;
2) said aluminium liquid circulation driving mechanism comprises 6-12 blade (1), paddle shaft (2), blade whirligig (3), the sprocket chain device (4) that drives the blade motion, variable-frequency motor and speed reducer (5), support (7), thermal baffle (8) and the blade clamp holder (9) of driving sprocket wheel chain movement, and a whole set of aluminium liquid driving mechanism is installed on the side well body (6); The several supports of solid matrix upper fixed (7) at side well body (6) center; Then go up thermal baffle (8) is installed at support (7); Sprocket chain device (4) is installed on the thermal baffle; Variable-frequency motor (5) is connected and transmission through belt pulley with sprocket chain device (4) with speed reducer; Blade clamp holder (9) is connected on the sprocket chain device (4), and it is fixing that blade (1) is then clamped paddle shaft (2) through blade clamp holder (9), and blade whirligig (3) is installed in thermal baffle upper fixed position; The motivational drive of variable-frequency motor (5) makes sprocket wheel chain (4) drive be immersed in channel (J, the K) paddling that a plurality of blades (1) edge in the aluminium liquid is set; Cause aluminium liquid in the channel along moving direction continuous-flow; With a side channel import (G) the suction channel of the aluminium liquid in the molten aluminium stove from molten aluminium stove (I); Flow through J district channel, flow back to molten aluminium stove (I) by the channel outlet (H) of the other end of J district channel again, thereby realized the continuous circulation of aluminium liquid in molten aluminium stove.
2. continuous circulation method of oaring type aluminium liquid; Be applied to the continuous circulation means of oaring type aluminium liquid according to claim 1 and realize the circulation of aluminium liquid; It is characterized in that simulation ' paddle ' action, utilize blade (1) to squeeze the principle of sending aluminium liquid, when blade (1) is moved in circulation channel (J); The blade face of blade is vertical with the moving direction of aluminium flow and move direction to the aluminium flow and move in aluminium liquid; Promote aluminum liquid movement, aluminium liquid is sucked J district channel from molten aluminium stove (I) through channel import (G), release the aluminium liquid in the J district channel by channel outlet (H) simultaneously;
Blade (1) is at the backhaul ditch---when moving in the K district; Blade (1) rotates 90o in aluminium liquid; Make the moving direction of its blade face and aluminium flow consistent, promptly along the backhaul ditch---K district axial direction, the fairshaped cross section of blade (1) do not produce blade (1) and promote to aluminium liquid when returning; After being back to initial point, blade (1) rotates 90o once more in aluminium liquid, is back to original blade face perpendicular to the axis of movement state, gets into the standby condition of ' paddle ' for the second time; So back and forth, reach transporting of aluminium liquid; And because of having adopted a plurality of blades, thereby realized transporting continuously the purpose of aluminium liquid.
3. the continuous circulation method of oaring type aluminium liquid according to claim 2; It is characterized in that said blade (1) movement locus (a → b → c → d → e → f → a) form by 4 sections: form by first straightway (a-b), arc (b-c-d), second straightway (d-e) and the 3rd straightway (e-f-a); First straightway (a-b), arc (b-c-d), second straightway (d-e) constitute aluminium liquid circulation section for three sections; The 3rd straightway (e-f-a) constitutes the backhaul section of blade (1); When blade (1) moved at circulation section (a-b-c-d-e), the blade face was perpendicular to movement locus (a-b-c-d-e) direction; Two specified points (a, c) at propeller path are located; Blade changes 90 ゜ respectively---and gear and a, the fixing blade whirligig (3) in c place through the paddle shaft top are accomplished rotation; Make the blade face be parallel to moving direction in backhaul section (e-f-a); And when getting into circulation section (a-b-c-d-e), the blade face returns to and the movement locus plumbness again; When blade (1) moves in circulation channel (J) (being the a-b-c-d-e section); Move to single direction in aluminium liquid on the blade face of blade (1); Promote aluminum liquid movement; With channel import (G) the suction channel of aluminium liquid, release the aluminium liquid in the J district channel by channel outlet (H) simultaneously from molten aluminium stove (I); When blade moved in backhaul ditch (K) (being the e-f-a section), blade 1 rotated 90o in aluminium liquid, make its blade face along the backhaul ditch---and K district axial direction, fairshaped cross section do not produce blade (1) and promote to aluminium liquid when returning; Like this, blade (1) moving and, obtained the most effectively aluminium liquid conveying capacity along this track the turning to of certain location; And because of a plurality of blades move, thereby realized transporting continuously of aluminium liquid on movement locus.
4. the continuous circulation method of oaring type aluminium liquid according to claim 1 is characterized in that said backhaul variable cross section channel---the channel in K district is and the axisymmetric variable cross section in side well center: channel and cross section, central shaft intersection location place are for being sufficient to the smallest cross-sectional that blade (1) can pass through; Utilize this from large to small, become big sectional area by minimum again and change, make blade (1) backhaul produced disturbs the aluminium flow is moving, reach minimum.
CN2012101206074A 2012-04-24 2012-04-24 Paddling type aluminum liquid continuous circulation device and method thereof Pending CN102619764A (en)

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CN2012101206074A CN102619764A (en) 2012-04-24 2012-04-24 Paddling type aluminum liquid continuous circulation device and method thereof

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Application Number Priority Date Filing Date Title
CN2012101206074A CN102619764A (en) 2012-04-24 2012-04-24 Paddling type aluminum liquid continuous circulation device and method thereof

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1360067A (en) * 2001-11-29 2002-07-24 上海交通大学 Process for purifying raw aluminium by changing liquid, directional solidification and conticasting
US20050046093A1 (en) * 2002-04-25 2005-03-03 Alcoa Overflow transfer furnace and control system for reduced oxide production in a casting furnace
CN101408178A (en) * 2008-11-13 2009-04-15 毛协民 Reciprocating type aluminum liquid circulating device
CN102192659A (en) * 2011-05-04 2011-09-21 丰城市环球资源再生科技发展有限公司 Paddle-type vortex charging method and device of smelting furnace

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1360067A (en) * 2001-11-29 2002-07-24 上海交通大学 Process for purifying raw aluminium by changing liquid, directional solidification and conticasting
US20050046093A1 (en) * 2002-04-25 2005-03-03 Alcoa Overflow transfer furnace and control system for reduced oxide production in a casting furnace
CN101408178A (en) * 2008-11-13 2009-04-15 毛协民 Reciprocating type aluminum liquid circulating device
CN102192659A (en) * 2011-05-04 2011-09-21 丰城市环球资源再生科技发展有限公司 Paddle-type vortex charging method and device of smelting furnace

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Application publication date: 20120801