CN103223475B - Device and method for semi-continuous casting of magnesium alloy sacrificial anode - Google Patents
Device and method for semi-continuous casting of magnesium alloy sacrificial anode Download PDFInfo
- Publication number
- CN103223475B CN103223475B CN201310124318.6A CN201310124318A CN103223475B CN 103223475 B CN103223475 B CN 103223475B CN 201310124318 A CN201310124318 A CN 201310124318A CN 103223475 B CN103223475 B CN 103223475B
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- crystallizer
- lowering
- vertical
- hoisting gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention relates to the preparation field of sacrificial anodes, in particular to a device and method for semi-continuous casting of a magnesium alloy sacrificial anode, which comprise a semi-continuous casting preparation device and semi-continuous casting preparation method for preparing the magnesium alloy sacrificial anode by virtue of the device.. The device for preparing the magnesium alloy sacrificial anode is high in production efficiency and low in cost, and can prepare a product with improved electrochemistry performance and prolonged service life.
Description
Technical field
The present invention relates to sacrificial anode preparation field, particularly relate to a kind of D.C.casting preparation facilities and method of sacrificial magnesium alloy anode.
Background technology
The cathode protection method of sacrificial anode is a kind of method preventing metal erosion; using metal stronger for reproducibility as protection pole; be connected with protected metal and form galvanic cell; the metal that reproducibility is stronger consumes as negative pole generation oxidation reaction, and protected metal just can avoid corrosion as positive pole.Because this method sacrifices anode, (negative pole of galvanic cell) protects negative electrode, and be thus called sacrificial anode (negative electrode of galvanic cell) Protection Code, the element be consumed then becomes sacrificial anode.
Widely, such as sacrificial magnesium alloy anode is applicable to the cathodic protection of the facility anticorrosive metal such as all kinds of steel pipes, storage tank, structures in soil environment to the range of application of sacrificial anode.Magnesium mainly first melts by the preparation of the sacrificial magnesium alloy anode of prior art, then adds the alloy of component in formula, and uniform stirring, then pour in mould, be then placed on ventilation and naturally cool, the then demoulding, finally carry out surface treatment.This preparation method is because be by natural cooling, and cooling velocity is comparatively slow, and one is cause sacrificial magnesium alloy anode coarse grains, electric protection poor-performing, service life shortens, if follow-up employing heat-treating methods improves anode performance, then greatly can increase energy consumption, raise the cost; Secondly because anode is long for cool time, be interrupted and produce, make production efficiency lower; Further, the mould of demand is more in producing, the anode of each specification all must be equipped with multiple mould, and have high input, cost is high.
Summary of the invention
A technical problem to be solved by this invention is: the D.C.casting preparation facilities providing a kind of sacrificial magnesium alloy anode, adopt this preparation facilities to prepare sacrificial magnesium alloy anode production efficiency is high, cost is low and produce product chemical property and improving service life.
A kind of technical scheme of the present invention is: a kind of D.C.casting preparation facilities of sacrificial magnesium alloy anode, it comprises crystallizer, the sprue of concrete length is divided into when can be raised to lowering or hoisting gear in crystallizer and polylith for being solidified by magnesium alloy fused mass, described crystallizer comprises inner bag and shell, described inner bag forms one for the preparation of the half-finished vertical through hole of sacrificial magnesium alloy anode, the cavity that Cooling Water flows is provided with between described inner bag and shell, and described shell is provided with the inlet opening that multiple Cooling Water flows into cavity, and between described shell and inner bag, be also provided with the delivery port that Cooling Water flows out, described lowering or hoisting gear top is provided with the piston with described vertical through hole sliding fit, the size in described piston cross-section face and the cross section of described vertical through hole match.
It also comprises one for accommodating lowering or hoisting gear and for the accommodating cavity of the vertical movement of lowering or hoisting gear, and described accommodating cavity and vertical through hole coaxial line.
Described delivery port is be arranged on one of shell and junction, inner bag bottom to enclose gap.
Another technical problem to be solved by this invention is: provide a kind of D.C.casting preparation method adopting the sacrificial magnesium alloy anode of above-mentioned preparation facilities, adopt this preparation method to prepare sacrificial magnesium alloy anode production efficiency is high, cost is low and produce product chemical property and improving service life.
Another kind of technical scheme of the present invention is: a kind of preparation method of sacrificial magnesium alloy anode, and it comprises the following steps:
(1), by magnesium ingot carry out preheating, then put into crucible melting and become melt, alloy is added in melt stir afterwards and makes it to become magnesium alloy fused mass;
(2), sprue is put into crystallizer, sprue is placed in and is raised on the piston of the lowering or hoisting gear of crystalliser feet, then the magnesium alloy fused mass that step (1) is obtained is poured in the vertical through hole of crystallizer, and continue logical water quench in the cavity of crystallizer and flow into the magnesium alloy fused mass in crystallizer vertical through hole, make the magnesium alloy fused mass curing molding in inflow crystallizer vertical through hole, lowering or hoisting gear decline simultaneously drives sprue to decline;
(3), when lowering or hoisting gear often decline certain value time, another sprue is put in crystallizer vertical through hole, then lowering or hoisting gear continues to decline, magnesium alloy fused mass continues to pour in crystallizer simultaneously, magnesium alloy curing molding is made by water quench, continue so repeatedly, until the minimum that lowering or hoisting gear has dropped to setting stops pouring magnesium alloy fused mass into and stopping passes into cooling water, take out magnesium alloy fused mass and the sprue of solidification, the magnesium alloy solidified between every two sprues is a sacrificial magnesium alloy anode.
The sacrificial magnesium alloy anode that step (3) prepares is carried out surface treatment and follow-up assembling.
Adopt above apparatus and method compared with prior art, the present invention has the following advantages: 1, be originally with die casting, rough surface, and has oxide layer, the preparation method of current series invention D.C.casting, and surface is more smooth; 2, original sacrificial anode is by natural cooling, crystalline particle is thick, chemical property is poor, now by the preparation method of D.C.casting of the present invention, mainly by making crystalline particle become thinner after water for industrial use quick refrigeration, magnesium alloy sacrificial anode electrochemical performance obtained is like this stablized, and service efficiency is higher, can reach more than 50%; 3, originally used single die casting, then wasted time and energy through naturally cooling the demoulding again, production efficiency is low, now by after D.C.casting preparation method of the present invention, and can continuous drawing casting by water cooling, production efficiency promotes greatly, and working environment also significantly improves; 4, because the vertical through hole shape of crystallizer inner bag can change, like this when other difform sacrificial magnesium alloy anodes prepared by needs, only can need the inner bag changing crystallizer, can production cost be greatly reducing like this; 5, the sacrificial anode of original casting has a cast gate, also just to can become product by cutting polishing operation, not only waste human cost but also reduce raw-material utilization rate, produce unnecessary waste (cast gate after cutting also will pass through to melt down again), adopt preparation method of the present invention, split the sacrificial anode of two continuous castings by sprue, such sacrificial anode does not have cast gate, namely do not need to carry out cutting polishing, saved cost.
An accommodating cavity is set, lowering or hoisting gear may be allowed so to be better elevated, ensure that traveling comfort, and accommodating cavity and vertical through hole coaxial line, such lowering or hoisting gear can better rise up in the vertical through hole of crystallizer.
Delivery port is arranged to a circle gap, the cooling water flowed out from gap like this can also give the cooling of the magnesium alloy fused mass from vertical through hole after solidification out, makes its solidification effect better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preparation facilities of sacrificial magnesium alloy anode of the present invention.
Fig. 2 is the structural representation of the sprue in the preparation facilities of sacrificial magnesium alloy anode of the present invention.
As shown in the figure: 1, lowering or hoisting gear; 2, accommodating cavity; 3, sprue; 4, inner bag; 5, shell; 6, through hole; 7, cavity; 8, inlet opening; 9, gap; 10, piston.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further, but the present invention is not limited only to following detailed description of the invention.
As shown in the figure: a kind of D.C.casting preparation facilities of sacrificial magnesium alloy anode, it comprises crystallizer, the sprue 3 of concrete length is divided into when can be raised to lowering or hoisting gear 1 in crystallizer and polylith for being solidified by magnesium alloy fused mass, described crystallizer comprises inner bag 4 and shell 5, described inner bag 4 forms one for the preparation of the half-finished vertical through hole 6 of sacrificial magnesium alloy anode, the cavity 7 that Cooling Water flows is provided with between described inner bag 4 and shell 5, and described shell 5 is provided with the inlet opening 8 that multiple Cooling Water flows into cavity 7, and between described shell 5 and inner bag 4, be also provided with the delivery port that Cooling Water flows out, described lowering or hoisting gear 1 top is provided with the piston 10 with described vertical through hole 6 sliding fit, the described size of piston 10 cross section and the cross section of described vertical through hole 6 match.Described crystallizer is that this is on a workbench, and described workbench is arranged on a guide rail, like this when lowering or hoisting gear 1 drops to the minimum point of setting, workbench can drive crystallizer to move, and then just can take out easily and have cured shaping sacrificial magnesium alloy anode.And described inner bag 4 is also provided with a holder made with magnesium alloy materials.The shape of cross section of described vertical through hole 6 can be circle, D font etc., as long as the shape of conversion vertical through hole 1 cross section, just can change the shape of the sacrificial magnesium alloy anode prepared.
Because the magnesium (alloy) of melting very easily burns in atmosphere, so be also provided with gas shield device on crystallizer, with the contact of isolated magnesium and air, prevent the burning of magnesium.
Described lowering or hoisting gear 1 can also be provided with a sensor and controller, described crystallizer top can also arrange a pay-off, when lowering or hoisting gear 1 declines certain value, sensor can transmit a signal to control device, and control device controls pay-off again and is placed on vertical through hole 6 by sprue 3.
It also comprises one for accommodating lowering or hoisting gear 1 and for the accommodating cavity 2 of vertical movement of lowering or hoisting gear 1, and described accommodating cavity 2 and vertical through hole 6 coaxial line.Described accommodating cavity 2 is actually the deep-well being arranged on below ground, and the degree of depth is 6 meters, and described lowering or hoisting gear 1 is just arranged in deep-well, and can vertical movement in deep-well.
Described delivery port is be arranged on shell 5 to enclose gap 9 with one of junction, inner bag 4 bottom.And described gap towards bottom vertical through hole 6, the water flowed out like this can contact with the shaping sacrificial magnesium alloy anode that has cured out bottom vertical through hole 6, makes cooling effect better.Described water inlet, delivery port and cooling water cavity are appropriate design, best to reach magnesium anode cooling effect.
A D.C.casting preparation method for sacrificial magnesium alloy anode, it comprises the following steps:
(1), by magnesium ingot carry out preheating, then put into crucible melting and become melt, alloy is added in melt stir afterwards and makes it to become magnesium alloy fused mass; By colleague, those skilled in the art are familiar with this step, but the formula of each enterprise may be all not too identical, so the alloying component added is all not too identical.
(2), sprue is put into crystallizer, sprue is placed in and is raised on the piston of the lowering or hoisting gear of crystalliser feet, then the magnesium alloy fused mass that step (1) is obtained is poured in the vertical through hole of crystallizer, and continue logical water quench in the cavity of crystallizer and flow into the magnesium alloy fused mass in crystallizer vertical through hole, make the magnesium alloy fused mass curing molding in inflow crystallizer vertical through hole, lowering or hoisting gear decline simultaneously drives sprue to decline; Magnesium alloy fused mass is poured into after in vertical through hole by this step, magnesium alloy fused mass meeting rapid solidification, namely magnesium alloy fused mass also not to flow to bottom vertical through hole just certain curing molding, thus bottom vertical through hole out be all sacrificial magnesium alloy anode after curing molding.
(3), when lowering or hoisting gear often decline certain value time, another sprue is put in crystallizer vertical through hole, then lowering or hoisting gear continues to decline, magnesium alloy fused mass continues to pour in crystallizer simultaneously, magnesium alloy curing molding is made by water quench, continue so repeatedly, until the minimum that lowering or hoisting gear has dropped to setting stops pouring magnesium alloy fused mass into and stopping passes into cooling water, take out magnesium alloy fused mass and the sprue of solidification, the magnesium alloy solidified between every two sprues is a sacrificial magnesium alloy anode.It is fixed that described decline certain value mainly comes according to the demand of client, and the length of the sacrificial magnesium alloy anode of needs is that how many then setting is how many, and be generally set as 0.5 meter, namely each sacrificial magnesium alloy anode length is 0.5 meter.
The sacrificial magnesium alloy anode that step (3) prepares is carried out surface treatment.
Advantage of the present invention is topmost 3 points: 1. magnesium alloy anode is cooled fast in cast molding process, makes anode interior grain refinement, evenly, improves the chemical property of anode, has service life to strengthen and improves.2. due to cooling by water speed, so the curing rate of magnesium alloy fused mass is also very fast, can shape semi-successive cultivation, production efficiency is greatly improved.3. specification anode only need be equipped with a crystallizer, can greatly reduce the outfit of mould like this, reduces and drops into, and reduces production cost.
Claims (4)
1. the D.C.casting preparation facilities of a sacrificial magnesium alloy anode, it comprises crystallizer and can be raised to the lowering or hoisting gear (1) in crystallizer, described crystallizer comprises inner bag (4) and shell (5), described inner bag (4) forms one for the preparation of the half-finished vertical through hole of sacrificial magnesium alloy anode (6), described lowering or hoisting gear (1) top is provided with the piston (10) with described vertical through hole (6) sliding fit, the size of described piston (10) cross section and the cross section of described vertical through hole (6) match, it is characterized in that: the sprue (3) being divided into concrete length when it also comprises polylith for being solidified by magnesium alloy fused mass, the cavity (7) that Cooling Water flows is provided with between described inner bag (4) and shell (5), and described shell (5) is provided with the inlet opening (8) that multiple Cooling Water flows into cavity (7), and between described shell (5) and inner bag (4), be also provided with the delivery port that Cooling Water flows out, described delivery port encloses gap (9) for being arranged on shell (5) with one of inner bag (4) junction, bottom.
2. the D.C.casting preparation facilities of sacrificial magnesium alloy anode according to claim 1, it is characterized in that: it also comprises one for accommodating lowering or hoisting gear (1) and for the accommodating cavity (2) of vertical movement of lowering or hoisting gear (1), and described accommodating cavity (2) and vertical through hole (6) coaxial line.
3. a D.C.casting preparation method for sacrificial magnesium alloy anode, is characterized in that: it comprises the following steps:
(1), by magnesium ingot carry out preheating, then put into crucible melting and become melt, alloy is added in melt stir afterwards and makes it to become magnesium alloy fused mass;
(2), sprue is put into crystallizer, sprue is placed in and is raised on the piston of the lowering or hoisting gear of crystalliser feet, then the magnesium alloy fused mass that step (1) is obtained is poured in the vertical through hole of crystallizer, and continue logical water quench in the cavity of crystallizer and flow into the magnesium alloy fused mass in crystallizer vertical through hole, make the magnesium alloy fused mass curing molding in inflow crystallizer vertical through hole, lowering or hoisting gear decline simultaneously drives sprue to decline;
(3), when lowering or hoisting gear often decline certain value time, another sprue is put in crystallizer vertical through hole, then lowering or hoisting gear continues to decline, magnesium alloy fused mass continues to pour in crystallizer simultaneously, magnesium alloy curing molding is made by water quench, continue so repeatedly, until the minimum that lowering or hoisting gear has dropped to setting stops pouring magnesium alloy fused mass into and stopping passes into cooling water, take out magnesium alloy fused mass and the sprue of solidification, the magnesium alloy solidified between every two sprues is a sacrificial magnesium alloy anode.
4. the preparation method of sacrificial magnesium alloy anode according to claim 3, is characterized in that: the sacrificial magnesium alloy anode that step (3) prepares is carried out surface treatment and follow-up assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310124318.6A CN103223475B (en) | 2013-04-11 | 2013-04-11 | Device and method for semi-continuous casting of magnesium alloy sacrificial anode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310124318.6A CN103223475B (en) | 2013-04-11 | 2013-04-11 | Device and method for semi-continuous casting of magnesium alloy sacrificial anode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103223475A CN103223475A (en) | 2013-07-31 |
| CN103223475B true CN103223475B (en) | 2015-04-15 |
Family
ID=48834248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310124318.6A Active CN103223475B (en) | 2013-04-11 | 2013-04-11 | Device and method for semi-continuous casting of magnesium alloy sacrificial anode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103223475B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706769B (en) * | 2014-01-22 | 2015-09-30 | 上海星祥电气有限公司 | Vertical continuous casting devices and methods therefor |
| CN105088250B (en) * | 2015-04-07 | 2017-12-12 | 张燕 | Observable formula inner-walls of duct cathode protection device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203202C (en) * | 2002-10-17 | 2005-05-25 | 山西至诚科技有限公司 | Preparation method of magnesium alloy |
| JP4586166B2 (en) * | 2006-06-21 | 2010-11-24 | 国立大学法人富山大学 | Feathery aluminum alloy ingot and casting method thereof |
| JP2010162588A (en) * | 2009-01-19 | 2010-07-29 | Honda Motor Co Ltd | Continuous casting method for magnesium alloy |
| CN201432082Y (en) * | 2009-07-13 | 2010-03-31 | 淄博宏泰防腐有限公司 | Semi-continuous large-diameter magnesium alloy rod casting die |
| CN201815650U (en) * | 2010-09-01 | 2011-05-04 | 武汉泛洲中越合金有限公司 | Vertical semi-continuous casting pouring flow control device |
-
2013
- 2013-04-11 CN CN201310124318.6A patent/CN103223475B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103223475A (en) | 2013-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1326646C (en) | Vacuum pump impeller integral casting process | |
| CN104999051B (en) | Electric motor of automobile shell low-pressure casting method and motor shell structure | |
| CN111057890B (en) | High-purity purification and high-homogenization casting method for magnesium alloy and magnesium-lithium alloy | |
| CN102699311A (en) | Precesion casting method for high temperature alloy complex thin-walled castings | |
| CN102310174B (en) | Method and device for improving metal solidification defects and refining solidification textures | |
| CN102699287B (en) | Novel steel ingot water cooling casting mold and novel steel ingot water cooling casting method | |
| CN104399929A (en) | Method for reducing longitudinal division of weather-proof steel continuously cast slab | |
| CN103526038B (en) | A kind of high-strength high-plasticity TWIP steel esr production method | |
| CN104498804A (en) | Preparation method of high-temperature alloy and high-temperature alloy thereof | |
| CN102274955A (en) | Nitrogen protective oxygen-insulated whole-course quick cooling casting process and system for anode plates | |
| CN103223475B (en) | Device and method for semi-continuous casting of magnesium alloy sacrificial anode | |
| CN101791681B (en) | Water-cooling die casting production process of plate blank used for medium plate | |
| CN104107889B (en) | Large-cross-section nodular cast iron horizontal casting production technology and graphite jig device thereof | |
| CN103170610A (en) | Device for casting anode copper mould by using dual-mode disk casting machine tundish and casting method applicable to device | |
| CN106513588A (en) | Manufacturing method for shock absorber aluminum barrel | |
| CN103350216A (en) | Cast ingot homogenizing control method | |
| CN206356542U (en) | A kind of device for preparing semi-solid alloy slurry | |
| CN102350485A (en) | Device and process for repairing shrinkage holes during steel billet casting through intermediate-frequency electric heating | |
| CN104001895A (en) | Semi-solid rheological squeeze casting forming method of flame retardant magnesium alloy | |
| CN203140695U (en) | Device for casting anode copper mold by utilizing tundish of double-mold disc casting machine | |
| CN104174817B (en) | A kind of ocean platform climb casting and the Technology for Heating Processing of machine Connection Block | |
| CN201823887U (en) | Water-cooling metal mold for molding iron alloy | |
| CN201529757U (en) | Horizontal continuous casting graphite crystallizer | |
| CN108188369A (en) | A kind of semi-solid rheological molding method and device | |
| CN102873291B (en) | Device and method for semi-solid semi-continuous casting of electromagnetic current vibration magnesium alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: East Xiangshan County town of 315700 Zhejiang city of Ningbo Province Patentee after: ZHEJIANG YUXI CORROSION CONTROL Corp. Address before: East Xiangshan County town of 315700 Zhejiang city of Ningbo Province Patentee before: NINGBO YUXI CATHODIC PROTECTION MATERIALS Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Semi-continuous casting preparation device and method for magnesium alloy sacrificial anode Effective date of registration: 20220809 Granted publication date: 20150415 Pledgee: Bank of Ningbo branch of the Bank of Ningbo, Xiangshan branch Pledgor: ZHEJIANG YUXI CORROSION CONTROL Corp. Registration number: Y2022330001674 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |