CN102192659A - Paddle-type vortex charging method and device of smelting furnace - Google Patents
Paddle-type vortex charging method and device of smelting furnace Download PDFInfo
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- CN102192659A CN102192659A CN2011101129726A CN201110112972A CN102192659A CN 102192659 A CN102192659 A CN 102192659A CN 2011101129726 A CN2011101129726 A CN 2011101129726A CN 201110112972 A CN201110112972 A CN 201110112972A CN 102192659 A CN102192659 A CN 102192659A
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Abstract
The invention discloses a paddle-type vortex charging method and a device of a smelting furnace. Pushing an aluminum liquid in an arc side well by utilizing a paddle, and imitating a,paddling' action; generating a scroll flow in a side well liquid pool to form vortex; and flowing in the side well for the formed liquid simultaneously in the smelting furnace, and flowing back to the circulation at the other side of the smelting furnace from the side well. The motion trail of the paddle provided by the invention is the circulation of E->A->B->C->D->E->A, the path of E->A is a circular arc, the path of A->B is a straight line, the path of B->C is a circular arc, the path of C->D is a straight line, and the path of D->E is a circular arc. The path of E->A provided by the invention is a circular arc, and is equant with the circular arc of B->C. According to the invention, a vortex region which can be added with smashed thin materials is realized, the high circulation of the aluminum liquid in the smelting furnace can be generated, the aim of adding the smashed thin material in the aluminum liquid in the smelting furnace with low-consumption can be achieved, also the design is inventive, the structure is simple, safe and reliable, the service life is prolonged, and the cost is greatly lowered.
Description
Technical field
The present invention relates to a kind of smelting furnace paddle-type air whirlpool charging process and device, relate in particular to a kind of method and device that broken thin aluminium material low-loss adds of in molten aluminium stove, realizing during molten aluminium.Belong to the Metal Melting technical field.
Background technology
Broken thin aluminium material occupies suitable ratio in the discarded aluminium material, and how utilizing to low-loss broken thin aluminium material to dispose and producing secondary aluminium is the target that people are pursued always.Because the specific area of broken thin material is bigger, when in adding molten aluminium stove, melting, often have very high scaling loss, the aluminium recovery rate has only 60-70%, even lower.People find in practice for a long time, as broken thin material is immersed in the good aluminium liquid of prior fusing, can increase substantially the aluminium recovery rate.Therefore, people have found out a lot of broken thin aluminium material and have been submerged into aluminium liquid various methodologies, and wherein to add the aluminium liquid pump promptly be the comparison successful story to the reinforced well of the heavy molten formula of the Lotuss type of U.S. invention.Should the reinforced well of heavy molten formula be the driving force that flows for aluminium liquid with mechanical centrifugal aluminium liquid pump, aluminium liquid forms whirlpool in reinforced well, utilize the negative pressure at whirlpool center, broken thin material is sucked center of vorticity, aluminium liquid is gone in sinking rapidly, makes its chance that does not have oxidation, just is immersed in the aluminium liquid and has melted, thereby greatly reduce the scaling loss of broken thin material, improved recovery rate.Report is arranged, and ideally, recovery rate can reach 98%.
Promote at present both at home and abroad the aluminium liquid drive unit of implementing the circulation of aluminium liquid that flows two big classes are arranged basically: be the mechanical centrifugal aluminium liquid pump of representative and be the electromagnetism aluminium liquid pump of driving force with the electromagnetic force with the Lotuss type circulating pump of the U.S..The heavy molten system of the Lotuss type that expensive manufacturing cost and maintenance cost make the U.S. adds the aluminium liquid pump and is difficult to be applied.And be the electromagnetism aluminium liquid pump of driving force with the electromagnetic force, the solenoid of its big electric current and frequency converter and relevant power-supply system, add in order to ensure the necessary cooling water system of operate as normal, make the equipment manufacturing cost costliness, simultaneously in order to keep the circulation of aluminium liquid, spent electric energy (per hour Baidu in the power consumption) also becomes that this electromagnetism aluminium liquid pump can only be used for the stirring of short time and the main cause that is not used in reinforced well.
Summary of the invention
The objective of the invention is to: provide a kind of whirlpool district that not only can realize adding broken thin material, but also can produce aluminium liquid in the molten aluminium stove systemic circulation, reach method and device that broken thin material low-loss ground adds aluminium liquid purpose in the molten aluminium stove.
Purpose of the present invention realizes by following scheme: utilize blade in the curved side well, to push aluminium liquid, and simulation ' paddle ' action, in side well liquid pool, produce scroll stream, form whirlpool; Simultaneously, in smelting furnace, form liquid from smelting furnace one side inflow side well again by the circulation of the opposite side of side well stream melt back furnace.
The movement locus of blade of the present invention is that (circulation of E → A → B → C → D → E → A), (E → A) path is a circular arc, and (A → B) path is a straight line, and (B → C) path is a circular arc, and (C → D) path is a straight line, and (D → E) path is a circular arc.
Of the present invention (E → A) path is a circular arc, and with (B → C) circular arc is isometrical.
E of the present invention → A path is a circular arc, is called arc, and the garden heart is O1,150 ° of centering angles, and B → C path is a circular arc, and the garden heart is O2, and garden heart O2, garden heart O1 and some C are point-blank.
The present invention also provides a kind of smelting furnace paddle-type air whirlpool feeding device, constitute by an above blade, an above paddle shaft, above blade clamper, blade whirligig, sprocket chain device, variable-frequency motor and a reduction box assembly, paddle shaft one end connects blade, the other end connects the blade clamper, the blade clamper connects the blade whirligig, locate by sprocket chain device driving blade with to paddle shaft, sprocket chain device connects variable-frequency motor and reduction box assembly, drives blade along setting the track rotation by its Quality Initiative endless chain bar.
Apparatus of the present invention also are provided with insulation system.
The present invention can realize adding the whirlpool district of broken thin material, again can produce aluminium liquid in the molten aluminium stove systemic circulation, reach broken thin material low-loss ground and add aluminium liquid purpose in the molten aluminium stove, and novel in design, simple in structure, safe and reliable, long service life greatly reduce cost.
Description of drawings
Fig. 1 is the principle of the invention and paddle trajectory diagram;
Fig. 2 is the structural representation of apparatus of the present invention.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in detail.
Present embodiment is a paddle-type air aluminium scrap whirlpool charging process.
Referring to Fig. 2: the feeding device of present embodiment is made of blade 1, paddle shaft 2, blade clamper 3, blade whirligig 4, sprocket chain device 5, variable-frequency motor and reduction box assembly 6, support 7, insulation system 8.Paddle shaft 2 one ends connect blade 1, the other end connects blade clamper 3, blade clamper 3 connects blade whirligig 4, locate by sprocket chain device 5 driving blades with to paddle shaft, sprocket chain device 5 connects variable-frequency motor and reduction box assembly 6, drives the blade 1 that is immersed in the aluminium liquid by its Quality Initiative endless chain bar and rotates along the track of setting.
Referring to Fig. 1,2, the movement locus of blade 1 (circulation of E → A → B → C → D → E → A), the movement locus of blade is the circulation of E → A → B → C → D → E → A, E → A path is a circular arc, is called arc, garden heart O1,150 ° of centering angles, radius are 1000 millimeters, and A → B path is a straight line, B → C path is a circular arc, radius is 1000 millimeters, and garden heart O1 is apart from 800 millimeters of the garden heart O2 of E → A garden arc, and C → D path is a straight line, D → E path is a circular arc, and radius is 200 millimeters.(B → C → D → E) is called the backhaul section.Blade 1 turns at specified point (B, E point).O1, O1, some C are point-blank.Blade moves and the turning to of certain location, makes the most effective generation whirlpool of aluminium liquid and maximum aluminium liquid conveying capacity along this track.
Embodiment of the invention operation principle is: utilize ' paddle ' action of blade 1, blade 1 in arc line type side well aluminium liquid along the track of the specific setting (shuttling movement of E → A → B → C → D → E → A).Blade 1 camber line shape section (E → A section) by E during to the A paddling, suck high temperature aluminum liquid from side well Chi10Chi inlet (F), approaching side well pond 10, by the E paddling in the camber line shape motion process of A, the blade motion causes the aluminium liquid generation scroll motion of side well aluminium liquid pool to cause aluminium liquid generation scroll motion in the side well pond 10 simultaneously, produces whirlpool at the H place, and the broken thin material of adding is sucked in the center of vorticity of whirlpool rapidly, be submerged in high temperature aluminum liquid, melt.Simultaneously, blade 1 causes aluminium liquid to push smelting furnace 9 by 10 exits, side well pond (G place) at A → B straightway.Like this, the motion of blade 1 forms aluminium liquid is flowed back to the opposite side (G place) of smelting furnace 9 again by side well pond 10 from well pond, smelting furnace 9 one sides (F) inflow side 10 circulation in smelting furnace 9.Both formed the whirlpool district (H district) that can add broken thin aluminium material, the systemic circulation that has produced 10 aluminium liquid of smelting furnace 9 and side well pond has again realized that broken thin aluminium material hangs down the adding smelting furnace 9 interior aluminium liquid of scaling loss.(during B → C → D → E), utilize blade whirligig 4 to make blade 1 half-twist, make the blade face consistent with the movement locus direction, (among B → C → D → E), the motion of blade 1 reaches minimum to the disturbance of aluminium liquid in the backhaul section to move to the backhaul section at blade 1.When arriving the E point, make blade 1 return to former and the movement locus upright position by blade whirligig 4 again, realize promotion aluminium liquid.Like this, the track of blade 1 this specific setting in aluminium liquid (E → A → B → C → D → E → A) upward motion, produce whirlpool and the systemic circulation of aluminium liquid in molten aluminium stove 9 in the side well pond 10 simultaneously, realized the method for the adding smelting furnace 9 interior aluminium liquid of the low scaling loss of broken thin aluminium material.
The paddle of present embodiment has adopted the blade of high strength, anti-chilling and shock heating performance is good, the liquid of anti-aluminium washes away extraordinary Composite Preparation, long service life, and price is well below the price of consumable accessorys such as the impeller of the Lotuss type circulating pump of the U.S. and pump housing base ring.Realized the low cost movement of the reinforced well of this smelting furnace paddle-type air whirlpool.
Claims (6)
1. a smelting furnace paddle-type air whirlpool charging process is characterized in that: utilize blade to push aluminium liquid in the curved side well, and generation scroll stream in side well liquid pool, formation whirlpool are moved in simulation ' paddle '; Simultaneously, in smelting furnace, form liquid from smelting furnace one side inflow side well again by the circulation of the opposite side of side well stream melt back furnace.
2. smelting furnace paddle-type air whirlpool charging process according to claim 1, it is characterized in that: the movement locus of blade is the (circulation of E → A → B → C → D → E → A), (E → A) path is a circular arc, (A → B) path is a straight line, (B → C) path is a circular arc, (C → D) path is a straight line, and (D → E) path is a circular arc.
3. smelting furnace paddle-type air whirlpool charging process according to claim 2 is characterized in that: (E → A) path is that circular arc is with (B → C) path is isometrical.
4. according to claim 2 or 3 described smelting furnace paddle-type air whirlpool charging process, it is characterized in that: E → A path is a circular arc, is called arc, the garden heart is O1,150 ° of centering angles, and B → C path is a circular arc, the garden heart is O2, and garden heart O2, garden heart O1 and some C are point-blank.
5. smelting furnace paddle-type air whirlpool feeding device, it is characterized in that: feeding device is made of an above blade, an above paddle shaft, above blade clamper, blade whirligig, sprocket chain device, variable-frequency motor and a reduction box assembly, paddle shaft one end connects blade, the other end connects the blade clamper, the blade clamper connects the blade whirligig, locate by sprocket chain device driving blade with to paddle shaft, sprocket chain device connects variable-frequency motor and reduction box assembly, drives blade along setting the track rotation by its Quality Initiative endless chain bar.
6. smelting furnace paddle-type air whirlpool charging process according to claim 5 is characterized in that: also be provided with insulation system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101129726A CN102192659A (en) | 2011-05-04 | 2011-05-04 | Paddle-type vortex charging method and device of smelting furnace |
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| CN2011101129726A CN102192659A (en) | 2011-05-04 | 2011-05-04 | Paddle-type vortex charging method and device of smelting furnace |
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| CN2011101129726A Pending CN102192659A (en) | 2011-05-04 | 2011-05-04 | Paddle-type vortex charging method and device of smelting furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619764A (en) * | 2012-04-24 | 2012-08-01 | 上海大学 | Paddling type aluminum liquid continuous circulation device and method thereof |
| CN103411440A (en) * | 2013-06-20 | 2013-11-27 | 宁波长振铜业有限公司 | Method for mashing materials in copper liquid and stirring copper liquid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4884786A (en) * | 1988-08-23 | 1989-12-05 | Gillespie & Powers, Inc. | Apparatus for generating a vortex in a melt |
| CN1038695C (en) * | 1994-10-28 | 1998-06-10 | 富骅企业股份有限公司 | Composite material producing method by mixing reinforced material with tracting method and its equipment |
| CN101699203A (en) * | 2009-11-06 | 2010-04-28 | 苏州新长光热能科技有限公司 | Aluminum scrap depositing and melting device |
| CN101346477B (en) * | 2005-12-23 | 2010-08-11 | 保尔伍斯股份有限公司 | A rotary charging device for a shaft furnace equipped with a cooling system |
| CN101408178B (en) * | 2008-11-13 | 2010-08-25 | 毛协民 | Reciprocating type aluminum liquid circulating device |
| CN201811583U (en) * | 2010-09-09 | 2011-04-27 | 河北优利科电气有限公司 | Electromagnetic cyclone feeding device |
-
2011
- 2011-05-04 CN CN2011101129726A patent/CN102192659A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4884786A (en) * | 1988-08-23 | 1989-12-05 | Gillespie & Powers, Inc. | Apparatus for generating a vortex in a melt |
| CN1038695C (en) * | 1994-10-28 | 1998-06-10 | 富骅企业股份有限公司 | Composite material producing method by mixing reinforced material with tracting method and its equipment |
| CN101346477B (en) * | 2005-12-23 | 2010-08-11 | 保尔伍斯股份有限公司 | A rotary charging device for a shaft furnace equipped with a cooling system |
| CN101408178B (en) * | 2008-11-13 | 2010-08-25 | 毛协民 | Reciprocating type aluminum liquid circulating device |
| CN101699203A (en) * | 2009-11-06 | 2010-04-28 | 苏州新长光热能科技有限公司 | Aluminum scrap depositing and melting device |
| CN201811583U (en) * | 2010-09-09 | 2011-04-27 | 河北优利科电气有限公司 | Electromagnetic cyclone feeding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619764A (en) * | 2012-04-24 | 2012-08-01 | 上海大学 | Paddling type aluminum liquid continuous circulation device and method thereof |
| CN103411440A (en) * | 2013-06-20 | 2013-11-27 | 宁波长振铜业有限公司 | Method for mashing materials in copper liquid and stirring copper liquid |
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Owner name: LIU JIHUA Free format text: FORMER OWNER: FENGCHENG HUANQIU RESOURCE RECYCLING SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20120608 |
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Effective date of registration: 20120608 Address after: 331100 Jiangxi city of Yichun province Fengcheng City Ruzi road pedestrian street 10 Building No. 1 Applicant after: Liu Jihua Address before: 331100 Jiangxi city of Yichun province Fengcheng City Ruzi road pedestrian street 10 Building No. 1 Applicant before: Fengcheng Global Resources Regeneration Technology Development Co., Ltd. |
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Application publication date: 20110921 |