CN201567378U - System for producing metal by wet method metallurgy approach - Google Patents
System for producing metal by wet method metallurgy approach Download PDFInfo
- Publication number
- CN201567378U CN201567378U CN2009201457822U CN200920145782U CN201567378U CN 201567378 U CN201567378 U CN 201567378U CN 2009201457822 U CN2009201457822 U CN 2009201457822U CN 200920145782 U CN200920145782 U CN 200920145782U CN 201567378 U CN201567378 U CN 201567378U
- Authority
- CN
- China
- Prior art keywords
- metal
- melting furnace
- tinsel
- follower arm
- travelling belt
- 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.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 title claims abstract description 95
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 95
- 238000013459 approach Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title abstract description 19
- 238000005272 metallurgy Methods 0.000 title abstract 2
- 239000012634 fragment Substances 0.000 claims abstract description 45
- 238000002844 melting Methods 0.000 claims abstract description 39
- 230000008018 melting Effects 0.000 claims abstract description 39
- 238000003860 storage Methods 0.000 claims abstract description 5
- 238000009854 hydrometallurgy Methods 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 239000002659 electrodeposit Substances 0.000 description 9
- 238000005868 electrolysis reaction Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010298 pulverizing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001465 metallisation Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005363 electrowinning Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
- C25C7/08—Separating of deposited metals from the cathode
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/18—Arrangements of devices for charging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model relates to a system for producing metal by a wet method metallurgy approach, wherein a metal sheet is formed by the electroanalysis of a cathode immersed into an electrobath. The system comprises at least one electroanalysis system, at least one stripping device and a conveyor belt, and is characterized by also comprising a smashing device and a smelting furnace, wherein the conveyor belt is arranged between the stripping device and the smashing device, and a slip sheet or the conveyor belt is arranged between the smashing device and the smelting furnace. Once stripped, the obtained metal sheet is smashed to form smaller metal fragments. Compared with a system adopting a cathode bundling operation, the system of the invention greatly simplifies the treatment, storage and melting of electrodeposited metal.
Description
Technical field
The utility model relates in general to the hydrometallurgy production system of metal, and more specifically relates to the charging to melting furnace (smelting furnace, melting furnace) of the metal deposit of negative electrode results.
Background technology
As everyone knows, the hydrometallurgy production of many metals such as copper, zinc or nickel comprises the electrolysis process process, and wherein required metal is assembled to negative electrode by electric current.Usually, the electrolysis process process be filled with ionogen and be immersed in a plurality of plate-shaped anode in the ionogen and the electrolyzer of negative electrode in carry out, these a plurality of plate-shaped anode and negative electrode are made by electro-conductive material and are placed in an alternating manner.In their top, anode and negative electrode all are provided with and are used for they are hung on the electrolyzer edge and they are connected to the terminal lug or the bar of power source circuit.During electrolysis, metal deposition forms two tinsels connecting by their bottom margin (on each side of negative plate each) on the cathode surface that is exposed that is arranged on the height that is immersed in electrolyzer.
The metallic zinc settling is attached on the negative electrode, must be removed subsequently.This is undertaken by cathode stripper traditionally.In case peel off, just collect the tinsel of peeling off, be to stack traditionally with bundle, bundle or heap (lamination) form level, this allows and carries out suitable storage.
Should be noted that such tinsel from the acquisition of electrolysis process process must be melted and be cast into suitable shape and size and be used for commercial distribution and use.This is undertaken by tinsel in heaps is put in the melting furnace so, wherein usually by the loading rod integrally formed with stove top (charging shaft).
Although the processing of tinsel in heaps and charging are standards in the electrowinning of metal and electrorefining industry, it is circumscribed but to be from the angle of processing method that ten minutes has.At first, this will carry out suitable collection being avoided damage with regard to the implicit tinsel of peeling off that shows, and will be through suitable processing so that their levels are stacked, so that form heap/harness.These harnesses must suitably be placed/are arranged in to be used on the travelling belt they being sent to the storage area and sending away from the storage area, transfers them in the melting furnace then.
When handling paper tinsel and harness, the metal arborescence is separated from tinsel, and intersperses among the whole production zone.And transmission tinsel harness is not easy especially yet.And when these harnesses were charged in the melting furnace by vertical loading rod, vertical loading rod was configured for the tinsel of predetermined size, and can not be compatible with bigger tinsel.
Therefore, need any more easy method that is used to process from the tinsel of negative electrode results.
The utility model content
For the problem that the conventional process that overcomes above-mentioned because electrodeposit metals sheet causes, the utility model proposes the tinsel that will be gathered in the crops by the shredding unit charging to form metal fragment.
Therefore, comprise via the system of hydrometallurgy approach production metal according to of the present utility model being used for:
At least one is used at the electrolytic system that is immersed in electrodeposit metals sheet on the negative electrode of electrolyzer;
At least one is used for removing from negative electrode the stripping off device of tinsel;
Be used for described tinsel is transformed into the shredding unit of metal fragment; And
Be used to melt the melting furnace of described metal fragment.
According to the system that is used for producing metal of the present utility model, comprising: at least one electrolytic system via the hydrometallurgy approach; At least one stripping off device; Travelling belt; It is characterized in that, comprise shredding unit; And melting furnace, wherein, between described stripping off device and described shredding unit, travelling belt is set, and between described shredding unit and described melting furnace, slide plate or travelling belt is set.
According to system of the present utility model, it is characterized in that described melting furnace comprises follower arm.
According to system of the present utility model, it is characterized in that the feed worm that is coupled in motor can axially be installed on and be used for forcing described metal fragment to enter described melting furnace in the described follower arm.
According to system of the present utility model, it is characterized in that the pushing device device with reciprocal drift/piston can be arranged in and be used for forcing described metal fragment to enter described melting furnace in the described follower arm.
According to system of the present utility model, it is characterized in that the lower end of described follower arm is in the predetermined distance place of the described melting furnace of distance bottom.
According to system of the present utility model, it is characterized in that described melting furnace is an induction furnace.
According to system of the present utility model, it is characterized in that, comprise being suitable for the metal from described melting furnace is carried out continuously or the casting system of casting in the mould.
Term " pulverizing " generally is meant the operation of processing electrodeposit metals sheet (from the electrolyzer collection and from cathodic disbonding) by any suitable technique that is used to form the metal fragment of smaller szie as used in this article.That is, term is pulverized and is intended to contain operation or any similar operation of tearing up, shred, crush, rolling (reduce), pulverize or grinding tinsel.Therefore the metal fragment that is obtained can have various forms, and this depends on the employed technology of pulverising step, such as for example: and quadrate, orthogonal or irregular fragment, and also have band shape, strip, shred, lath-shaped etc.
Native system can be used in electrolyzer the metal of any kind of producing by hydrometallurgy production approach, wherein the electrodeposit metals sheet by the results negative electrode and from the negative electrode the stripping metal sheet obtain.Therefore tinsel can be the zinc or the copper sheet of galvanic deposit, and can be that cobalt, nickel or other can be gathered in metal on the negative electrode through electrolysis.
Pulverize the tinsel gathered in the crops, avoided traditional, fine processing the tinsel of single or bundle form.The preferable alloy sheet directly stands crushing process shredding unit after the negative electrode formed thereon from tinsel peeled off.The metal fragment of gained can use the travelling belt of any adequate types to store or transfer in the melting furnace then, perhaps carries out this two kinds of operations simultaneously.
As what should be understood that be, not only treatment process has been simplified in the pulverizing of tinsel, and it be favourable for this also to have confirmed aspect fusing.In fact, adopt the metal fragment littler to improve the productivity of melting furnace than electrodeposit metals sheet, and allow streams wherein better, successive and charging and/or dosing flexibly.Metal fragment can be continuously or in batches charging enter in the melting furnace.
Melting furnace preferably includes follower arm, metal fragment can be incorporated in the stove by follower arm.In order to improve control, can in follower arm, force the downward charging of metal fragment to material flow.For example, the feed worm that is coupled in motor can axially be installed in the follower arm.Replacedly, the pushing device device with reciprocal drift/piston can be arranged in the follower arm.
Follower arm is constructed such that preferably its lower end is in the predetermined distance place apart from the stove bottom.This makes the lower end of follower arm be immersed in the metal bath after certain working hour apart from advantageously being selected.From then on light, metal fragment directly enters into metal bath from follower arm, has avoided contingent any splashing or any oxygenizement above metal bath.
No matter whether metal fragment is introduced owing to gravity simply by follower arm, perhaps whether metal fragment is firmly pushed downwards, follower arm is being wrapped in by metal fragment on its cross section and at least a portion of its height usually, and this has minimized gas and has overflowed and the situation of air admission to the stove from stove is inner.
Description of drawings
With reference to accompanying drawing the utility model is described by way of example now, in the accompanying drawings:
Fig. 1 is the schematic diagram of native system; And
Fig. 2 is the sketch that utilizes the melting furnace of the metal fragment charging that is obtained by shredding unit.
Embodiment
As everyone knows, many metals such as zinc and copper can be produced via the hydrometallurgy approach, and this relates to the electrolysis process process, and wherein required metal is assembled to negative electrode by electric current.The electrolysis process process usually be filled with comprise the vitriolic ionogen and be immersed in a plurality of plate-shaped anode in the ionogen and the electrolyzer of negative electrode in carry out, a plurality of plate-shaped anode and negative electrode are made by electro-conductive material and are placed in an alternating manner.In such electrolyzer, metal deposition can take place through so-called " electrowinning ", and wherein anode is simple electrode, and the metal of electroplated (plate) is dissolved in the ionogen when beginning; Perhaps metal deposition can be through " electrorefining " and take place, and anode makes it pass ionogen then and deposits on the negative electrode by treating that the required metal of purified makes when wherein beginning.
During electrolysis, metal deposition is on the cathode surface that is exposed that is arranged on the height that is immersed in electrolyzer.In case reached the electroplating thickness of required metal, just from electrolyzer, remove negative electrode, just separate from it attached to the metal deposit on the negative electrode.This carries out in cathode stripper traditionally, and this cathode stripper is allowed from cathode side formed tinsel is separated.
This point is clearly to those skilled in the art, metal deposit is formed on two sides of negative electrode, isolate two tinsels when peeling off thus, usually tinsel is by their bottom margin continuous (for example with regard to the situation of zinc, metal deposit bridges between two cathode side at its bottom margin place).
Consider the size of conventional cathode plate, the electrodeposit metals sheet for example can have at 0.6m to up to the width in the scope of about 1m with up to the height of 1.6m, and up to the thickness of about 3mm.Such exemplary dimensions is not interpreted into restrictive, and can change according to industrial constraint condition and technology.
In traditional industrial processes, after above-mentioned negative electrode results, planar metal sheet is collected and stacks to form so-called tinsel heap, bundle or bundle, that is, be with the electrodeposit metals sheet heap heap arranged in form and that suitably arrange basically.Such heap/accumulation is also referred to as " negative electrode heap (cathode pile) " or " negative electrode bundle (cathode bundle) " in the art.
From the moment of cathodic disbonding, traditional enforcement then needs at first to handle planar metal sheet always, ties up then until fusing, wherein with such negative electrode harness melting furnace is carried out charging.
Although definitely be traditional, the processing of this planar metal sheet (independent or with bundle form) has confirmed to be actually trouble very.
The electrodeposit metals sheet that processing/processing is for convenience gathered in the crops from electrolyzer the utility model proposes these tinsels of processing in shredding unit so that obtain the metal fragment of smaller szie.
The tinsel of peeling off is rolled the metal that the fragment that becomes littler allows more easily to handle results, make it more be similar to granule materials.So electrodeposit metals just can be similar to conventional particles or microgranular material is sent to and is stored in the hopper.
Use metal fragment to replace harness, also providing very big handiness aspect the dosing of melting furnace and the charging.Particularly, when melting furnace is equipped with follower arm, just eliminated the problem of the tinsel size relevant with the follower arm cross section.
As for shredding unit, its function is planar stripping metal sheet normally to be rolled into the fragment of smaller szie.Can adopt any suitable technique that is used for such operation, use term to pulverize herein to contain any tinsel that tears up, shreds, crushes, rolls, pulverizes or grind, as has been stated.This crushing technology can be selected according to metalline (will consider its ductility especially) and sheet thicknesses.Therefore the net shape of metal fragment depends on the type of shredding unit.Metal fragment can for example be quadrate, orthogonal or irregular fragment, but also can adopt forms such as band shape, strip, shred, lath-shaped.
For example, can select shredding unit to form for example rectangle fragment of 10cm * 5cm; Or have 20,10,5 or even the square metal fragment of 2cm width.These sizes should not be taken as restrictive, and can adapt to according to industrial constraint condition.
For using copper or zinc tinsel, people can for example use so-called pair of bar shredding machine (or or even many bars shredding machine) or beater grinder.Such device is known for the technician in metal recovery field, and does not need to describe in further detail in this article.As previously discussed, the device that is applicable to any kind of crushing metal sheet can be used.
As for the charging of melting furnace, adopt and compare relative littler metal fragment with the original dimension of stripping metal sheet, processing, transmission and charging are more prone to.Metal fragment-Zn, Cu etc.-can move being applicable on the travelling belt of granule materials for example comprise chest or basket, and metallic particles such as arborescence or other particulates remain in the container and can not be dispersed in travelling belt and workspace thus.
Compared with the tinsel of big harness, with the metal dosing of small shreds form, transmit and be fed in the stove, clearly be more flexibly and easily.This charging can be applicable to the stove of any kind, and the size of charging opening also no longer is an important problem.
The diagrammatic sketch of Fig. 1 shows the diagram of the preferred course of processing with native system, and the tinsel of wherein peeling off is directly processed in shredding unit, and stores before fusing subsequently.This shredding unit can be configured such that the tinsel of peeling off for example directly enters into shredding unit on slide plate or through travelling belt.This processing with tinsel is reduced to minimum degree.Certainly, before pulverizing, also can for example store tinsel in heaps.Then just from storing with metal fragment to the melting furnace charging.A kind of alternative mode is melting furnace to be connected with shredding unit embark on journey, but this may and be not suitable for suitability for industrialized production, adopts single shredding unit at last.
To explain preferred mode according to Fig. 2 now to the melting furnace charging.Reference numeral 10 is meant melting furnace (part shows), preferably has the induction type, and it is used for producing metal according to the utility model, and therefore employing as explained above is carried out charging by the metal fragment that the crushing metal sheet obtains.In Fig. 2, for the purpose of for example, illustrate four kinds of modes that stove 10 is feeded with same stove.Stove is defined as and comprises basal surface 12, sidewall 14 and cover 16.
Left-hand side from Fig. 2 begins, and follower arm 20 is arranged as and extends (also can tilt) by bell 16 and in stove inside downward vertically.Follower arm 20 can be the cylinder of rounded section, preferably is fixed to the opening part of bell 16, makes its end and stove bottom 12 keep predetermined distances.As by shown in the arrow, follower arm 20, feeded in batches to be fed in the stove 10 by 15 the metal fragment of being denoted as of pulverizing that the tinsel that removes from electrode obtains.Metal fragment is pushed to stove bottom 12 by gravity thus.
In alternative follower arm 30, top (stove outside) is changed the feed worm 32 and the side direction feed-inputing branched pipe 36 that can axially rotate by motor 34 to comprise.The metal fragment of pulverizing is introduced into via feed-inputing branched pipe 36, and metal fragment is forced to downwards by rotary feeding screw rod 32 and advances.
In the modification of follower arm 40, can replace feed worm with stock pusher 42, this stock pusher 42 is included in the bar 40 and can advances downwards to force metal fragment by axially movable piston 44 (or drift).
Another possible structure is the structure that is disposed in the follower arm 50 in the side direction furnace wall.Bar 50 self arrange with being tilted and with its lower end opening in stove inside.The metal fragment of pulverizing is incorporated in the bar via side direction arm 52, and metal fragment for example is forced in the stove 10 by feed worm 54 (also can be stock pusher or any other suitable device).
Although do not illustrate, the lower section of follower arm can be increased a little so that material flows into.
Charging has a lot of benefits in melting furnace in the above described manner:
-use than the littler metal fragment of tinsel that removes from negative electrode, improved the productivity of melting furnace;
-this mode allows that streams feeds and/or dosing better, continuously and neatly;
-with adopt weight to feed to compare, when restarting melting process, the charging of the metal of first batch of volume is more prone to, particularly avoided splashing at the planar cathode harness between 1 to 2 ton;
-to adopt vertical (or inclination) follower arm be favourable, because metal fragment can be pushed down in the metal bath by gravity at least, and for example uses feed worm or stock pusher can control flow rate of metal better;
-with the metal fragment filled pole that forms cylinder therein, this also has compact effect, and avoided gas (stack gas) from stove, select with the air admission stove in.
Claims (10)
1. be used for producing the system of metal, comprise via the hydrometallurgy approach:
At least one electrolytic system;
At least one stripping off device;
Travelling belt;
It is characterized in that, comprise shredding unit; And
Melting furnace,
Wherein, between described stripping off device and described shredding unit, travelling belt is set,
And between described shredding unit and described melting furnace, slide plate or travelling belt are set.
2. system according to claim 1 is characterized in that described melting furnace comprises follower arm.
3. system according to claim 2 is characterized in that, the feed worm that is coupled in motor can axially be installed on and be used for forcing described metal fragment to enter described melting furnace in the described follower arm.
4. system according to claim 2 is characterized in that, the pushing device device with reciprocal drift/piston can be arranged in and be used for forcing described metal fragment to enter described melting furnace in the described follower arm.
5. system according to claim 2 is characterized in that, the lower end of described follower arm is in the predetermined distance place of the described melting furnace of distance bottom.
6. system according to claim 1 is characterized in that described melting furnace is an induction furnace.
7. system according to claim 1 is characterized in that, comprises being suitable for the metal from described melting furnace is carried out continuously or the casting system of casting in the mould.
8. system according to claim 1 is characterized in that, comprises that the tinsel that is used for that negative electrode is sent to the travelling belt of at least one stripping off device and is used for peeling off is sent to the travelling belt of described shredding unit.
9. system according to claim 1 is characterized in that, comprises being used for metal fragment from described shredding unit or be sent to the travelling belt of described melting furnace from the metal fragment storage vessel.
10. system according to claim 1 is characterized in that described tinsel is made by zinc, copper, cobalt or nickel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU91518A LU91518B1 (en) | 2009-01-21 | 2009-01-21 | Hydrometallurgical production of metal |
| LU91518 | 2009-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201567378U true CN201567378U (en) | 2010-09-01 |
Family
ID=40796186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201457822U Expired - Lifetime CN201567378U (en) | 2009-01-21 | 2009-04-15 | System for producing metal by wet method metallurgy approach |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201567378U (en) |
| LU (1) | LU91518B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146572A (en) * | 2011-01-29 | 2011-08-10 | 湖南江冶机电科技有限公司 | Spongy lead molding production line |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1255014A (en) * | 1968-09-20 | 1971-11-24 | Molins Machine Co Ltd | Improvements in or relating to the melting of swarf |
| GB8409574D0 (en) * | 1984-04-12 | 1984-05-23 | Bicc Plc | Granulation |
| JPH06307768A (en) * | 1993-04-20 | 1994-11-01 | Hanshin Koki Kk | Automatic material feeder for metal melting furnace |
| DE102004008813B3 (en) * | 2004-02-20 | 2005-12-01 | Outokumpu Oyj | Process and installation for the electrochemical deposition of copper |
-
2009
- 2009-01-21 LU LU91518A patent/LU91518B1/en active
- 2009-04-15 CN CN2009201457822U patent/CN201567378U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146572A (en) * | 2011-01-29 | 2011-08-10 | 湖南江冶机电科技有限公司 | Spongy lead molding production line |
Also Published As
| Publication number | Publication date |
|---|---|
| LU91518B1 (en) | 2010-01-21 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |
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| CX01 | Expiry of patent term |