CN107805722A - Oxygen-free copper foundry furnace - Google Patents
Oxygen-free copper foundry furnace Download PDFInfo
- Publication number
- CN107805722A CN107805722A CN201711315185.5A CN201711315185A CN107805722A CN 107805722 A CN107805722 A CN 107805722A CN 201711315185 A CN201711315185 A CN 201711315185A CN 107805722 A CN107805722 A CN 107805722A
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- CN
- China
- Prior art keywords
- oxygen
- bell
- heater
- free copper
- foundry furnace
- 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.)
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Classifications
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- 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
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
- C22B15/0052—Reduction smelting or converting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/025—Casting heavy metals with high melting point, i.e. 1000 - 1600 degrees C, e.g. Co 1490 degrees C, Ni 1450 degrees C, Mn 1240 degrees C, Cu 1083 degrees C
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The oxygen-free copper foundry furnace of the present invention, including body of heater and bell, bell are covered on body of heater；Bell is provided with oxygen uptake portion, and oxygen uptake portion, which is extended in body of heater, to be used to absorb the oxygen in copper liquid.Oxygen-free copper foundry furnace is the device for casting oxygen-free copper, and body of heater is the container for housing copper liquid, and bell is in lid, it is covered on by bell on body of heater and plays a part of oxygen barrier, it can also effectively prevent the impurity in the external world from entering simultaneously, there is certain effect of heat insulation, reduce the loss of energy.Oxygen uptake portion on bell, by the contact with copper liquid, the oxygen in copper liquid is adsorbed, reduces the oxygen content in copper liquid, optimizes the casting effect of oxygen-free copper, be a kind of oxygen-free copper casting environment that can optimize, there is provided the oxygen-free copper foundry furnace of excellent oxygen-free environment.
Description
Technical field
The present invention relates to oxygen-free copper manufacture field, in particular to oxygen-free copper foundry furnace.
Background technology
Oxygen-free copper is the not oxygen-containing fine copper for being also free of any deoxidier residue.The oxygen content of oxygen-free copper pipe must be less than
30ppm, impurity content must be less than 300ppm, when the oxygen content of oxygen-free copper is exceeded or impurity iron sulphur phosphorus silicon equal size is exceeded, nothing
There is the defects of rough surface in oxygen copper pipe, its mechanical performance and steering capability are poor.
The content of the invention
In view of this, the invention aims to overcome deficiency of the prior art, there is provided one kind can provide excellent
Anaerobic, the oxygen-free copper foundry furnace of impurity-free environment.
The purpose of the present invention is realized by following technical scheme：
Oxygen-free copper foundry furnace, including body of heater, the oxygen-free copper foundry furnace also include bell, and the bell is covered on the stove
On body；The bell is provided with oxygen uptake portion, and the oxygen uptake portion, which is extended in the body of heater, to be used to absorb the oxygen or miscellaneous in copper liquid
Matter.
In the exemplary embodiment, the oxygen uptake portion includes at least one graphite column.Graphite have preferable adsorptivity with
And high stability, when bell is placed on body of heater, graphite column extends to body of heater and is inserted into copper liquid, so as to in copper liquid
Oxygen absorbed, further remove the oxygen that remains in copper liquid.
In the exemplary embodiment, the graphite column is provided with least one through hole.Through hole is added on graphite column so that
Graphite column is in cellular, the further contact area for increasing graphite column and copper liquid, optimization oxygen uptake effect.
In the exemplary embodiment, the relatively described bell of the graphite column is detachable.It is removable between graphite column and bell
Unloading structure allows the two to be safeguarded respectively, and when graphite column damage or adsorptivity are deteriorated, graphite column can be carried out more
Change, effectively reduce the maintenance use cost of bell.
In the exemplary embodiment, the graphite column is connected by rotary driving part with the bell.Rotary driving part drives
Dynamic graphite column rotates on bell so that graphite column has certain stirring action to copper liquid, and contact of the graphite column with copper liquid is more
Fully, the deaerating effect of copper liquid is further optimized.
In the exemplary embodiment, the bell is provided with charge door, and the charge door is closed by feeding cover.On bell
Adding charge door can ensure to be not turned on to feed into body of heater in the case of whole bell, on the one hand simplify operation, on the other hand
The tightness of body of heater is improved, reduces the entrance of oxygen as far as possible.
In the exemplary embodiment, the bell is provided with nitrogen charging joint, and nitrogen is filled into institute by the nitrogen charging joint
State in body of heater.Nitrogen charging joint is added on bell, nitrogen is filled with into body of heater by nitrogen charging joint, further starvation.
In the exemplary embodiment, the bell is provided with temperature-measuring port.The temperature in body of heater is measured by temperature-measuring port, can be with
Realize the good monitoring to casting temperature.
In the exemplary embodiment, the bell is provided with peep hole.The casting case in body of heater is entered by peep hole
Row monitoring, timely can find and solve in the problem of generation.
In the exemplary embodiment, the oxygen-free copper foundry furnace also includes pneumatic hammer, and the pneumatic hammer is located at the side of the body of heater
On wall.Restart the body of heater of casting for shutdown, body of heater should be cleaned out, to prevent band oxygen in copper ashes, influence casting effect,
By pneumatic hammer tap body of heater can pair copper ashes efficiently separated on body of heater.
The present invention compared with prior art, has the following advantages that：
The oxygen-free copper foundry furnace of the present invention is the device for casting oxygen-free copper, and body of heater is the container for housing copper liquid, bell
In lid, it is covered on by bell on body of heater and plays a part of oxygen barrier, while can also effectively prevents the impurity in the external world from entering,
With certain effect of heat insulation, the loss of energy is reduced.Oxygen uptake portion on bell, passes through the contact with copper liquid, absorbing copper
Oxygen in liquid, the oxygen content in copper liquid is reduced, optimize the casting effect of oxygen-free copper, be that a kind of can provide excellent nothing
The oxygen-free copper foundry furnace of oxygen, impurity-free environment.
For enable the above objects, features and advantages of the present invention become apparent from understandable, preferred embodiment cited below particularly, and match somebody with somebody
Accompanying drawing appended by conjunction, is described below in detail.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows a kind of structural representation for oxygen-free copper foundry furnace that the embodiment of the present invention 1 provides；
Fig. 2 shows the structural representation for another oxygen-free copper foundry furnace that the embodiment of the present invention 1 provides；
Fig. 3 shows a kind of structural representation of the bell for oxygen-free copper foundry furnace that the embodiment of the present invention 1 provides.
Icon：1- oxygen-free copper foundry furnaces；11- bodies of heater；12- bells；121- connecting portions；122- flexible parts；123- feeds
Mouthful；124- feeding covers；125- nitrogen charging joints；126- temperature-measuring ports；127- observation panels；13- oxygen uptakes portion；14- rotary driving parts.
Embodiment
Hereinafter, various embodiments of the present invention will be described more fully with reference to accompanying drawing.The present invention can have various realities
Example is applied, and can adjust and change wherein.Therefore, will be retouched in more detail with reference to the specific embodiment being shown in the drawings
State the present invention.It should be understood, however, that：In the absence of the meaning for the specific embodiment for being limited to invent herein by various embodiments of the present invention
Figure, but should invention is construed as covering fall into the spirit and scope of various embodiments of the present invention all adjustment, etc.
Jljl and/or alternative.Description taken together with the accompanying drawings, the same element of same reference numerals.
Hereinafter, the term " comprising " that can be used in various embodiments of the present invention or " may include " instruction are invented
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as exist
Used in various embodiments of the present invention, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number
Word, step, operation, the combination of element, component or foregoing item, and be understood not to exclude first one or more other
Feature, numeral, step, operation, element, component or foregoing item combination presence or one or more features of increase, numeral,
Step, operation, element, component or foregoing item combination possibility.
In various embodiments of the present invention, stating "or" or " at least one in A or/and B " includes what is listed file names with
Any combinations of word or all combinations.For example, " A or B " or " at least one in A or/and B " may include A, may include for statement
B may include A and B both.
The statement (" first ", " second " etc.) used in various embodiments of the present invention can be modified in various realities
The various element in example are applied, but respective sets can not be limited into element.For example, presented above be not intended to limit the element
Order and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user
Device and second user device instruction different user device, although the two is all user's set.For example, do not departing from the present invention's
In the case of the scope of various embodiments, the first element is referred to alternatively as the second element, and similarly, the second element is also referred to as
One element.
It should be noted that：, can be by the first composition member if an element ' attach ' to another element by description
Part is directly connected to the second element, and " connection " the 3rd can be formed between the first element and the second element
Element.On the contrary, when an element " being directly connected to " is arrived into another element, it will be appreciated that be in the first element
And second be not present the 3rd element between element.
The term used in various embodiments of the present invention is only used for describing the purpose of specific embodiment and not anticipated
In limitation various embodiments of the present invention.As used herein, singulative is intended to also include plural form, unless context is clear
Chu it is indicated otherwise.Unless otherwise defined, all terms (including the technical term and scientific terminology) tool being otherwise used herein
There is the implication identical implication being generally understood that with various embodiments of the present invention one skilled in the art.The term
(term such as limited in the dictionary typically used) is to be interpreted as having and the situational meaning in correlative technology field
Identical implication and the implication with Utopian implication or overly formal will be not construed as, unless in the various of the present invention
It is clearly defined in embodiment.
Embodiment
Fig. 1 shows the structural representation of oxygen-free copper foundry furnace 1.
Oxygen-free copper foundry furnace 1, including body of heater 11 and bell 12, bell 12 are covered on body of heater 11.Bell 12, which is provided with, to be inhaled
Oxygen portion 13, oxygen uptake portion 13, which is extended in body of heater 11, to be used to absorb the oxygen or impurity in copper liquid.
Oxygen-free copper foundry furnace 1 is the device for casting oxygen-free copper, and body of heater 11 is the container for housing copper liquid.Bell 12 is in lid
Shape, it is covered on by bell 12 on body of heater 11 and plays a part of oxygen barrier, while can also effectively prevents the impurity in the external world from entering,
With certain effect of heat insulation, the loss of energy is reduced.Oxygen uptake portion 13 on bell 12, by the contact with copper liquid, inhale
Oxygen or impurity in attached copper liquid, oxygen or impurity content in copper liquid are reduced, optimize the casting effect of oxygen-free copper.
For the casting temperature of copper liquid between 1150-1180 DEG C, body of heater 11 and bell 12 should be by fusing points higher than the boiling point of copper
Metal is fabricated, or body of heater 11 and bell 12 should be fabricated by metal of the fusing point higher than the casting temperature of oxygen-free copper, generally
Body of heater 11 and bell 12 are formed by casting.In the present embodiment, body of heater 11 and bell 12 are formed by iron casting.
Because the temperature of copper liquid when oxygen-free copper is cast is very high, thus oxygen uptake portion 13 should have higher heat-resisting quantity.This reality
Apply in example, oxygen uptake portion 13 includes at least one graphite column, can be further activated-charcoal column.
Absorbent charcoal material is by the amorphous carbon obtained by working process, has very big specific surface area, to gas, solution
In inorganic or organic substance and colloidal solid etc. have good adsorption capacity.Absorbent charcoal material is as a kind of function admirable
Adsorbent, determined mainly due to it with unique absorption surface architectural characteristic and surface chemistry.Active raw material of wood-charcoal
The chemical property of material is stable, and high mechanical strength is acidproof, alkaline-resisting, heat-resisting, not soluble in water and organic solvent.
Absorbent charcoal material is by the amorphous carbon obtained by working process, has very big specific surface area, to gas, solution
In inorganic or organic substance and colloidal solid etc. have good adsorption capacity.When bell 12 is placed on body of heater 11, stone
Mo Zhu extends to body of heater 11 and is inserted into copper liquid, so as to be absorbed to the oxygen in copper liquid and impurity, further removes copper liquid
The oxygen and impurity of middle residual.
Graphite column is provided with least one through hole, and in the present embodiment, graphite column is radially provided with three through holes.In graphite
Through hole is added on post so that graphite column is in cellular, further increases the contact area of graphite column and copper liquid, that is, increases graphite
Post and oxygen and the bonding area of impurity, optimize the adsorptivity to oxygen and impurity.
In the present embodiment, oxygen uptake portion 13 includes two graphite columns on bell 12.Bell 12 is provided with connecting portion
121, graphite column is connected on bell 12 by connecting portion 121.Connecting portion 121 can be with bell 12 by being welded to connect.
Graphite column is detachable with respect to bell 12, specifically, detachable between graphite column and connecting portion 121.Graphite column and company
It is connected by screw between socket part 121, boss is set on graphite column, through hole is set on boss, corresponding on connecting portion 121
It is locked with nut after the through hole on graphite column and connecting portion 121 is passed through by bolt provided with through hole, or on connecting portion 121
Hole is threaded, is inserted into after bolt is passed through into the through hole on graphite column in screwed hole.In another embodiment, graphite column and company
Connected between socket part 121 by clamping.
Demountable structure between graphite column and bell 12 allows the two to be safeguarded respectively, graphite column damage or
When adsorptivity is deteriorated/failed, graphite column can be changed, effectively reduce the maintenance use cost of bell 12, and
It can keep adsorption section that there is preferable Oxygen Adsorption combination effect all the time.
As shown in Fig. 2 in another embodiment, graphite column is connected by rotary driving part 14 with bell 12.Two graphite
Post can be connected on a connecting portion 121, and connecting portion 121 with a rotary driving part 14 by being connected, so that one
Drive division can drive two graphite columns to rotate simultaneously.
Rotary driving part 14 can be the combination of motor and speed reducer, so that the output speed and moment of torsion of motor have one
Individual rational proportioning, that is, reduce the output speed of motor, improve the output torque of motor, for graphite column rotation provide stably and
Powerful power.Rotary driving part 14 that is, outside body of heater 11, and does provision for thermal insulation above bell 12, to reduce
The operating temperature of rotary driving part 14, prevent the high temperature of rotary driving part 14 from burning, extend the service life of rotary driving part 14.
Rotary driving part 14 drives graphite column to be rotated on bell 12 so that graphite column has certain stirring to make to copper liquid
With contact of the graphite column with copper liquid is more abundant, further optimizes the deaerating effect of copper liquid.
Flexible part 122 can be connected between graphite column and connecting portion 121, to cause graphite column opposing connections 121 to deposit
In certain flexibility, such as connected by flexible coupling or its spring part, while with connection effect, pass through flexibility
The bending of part 122, so that certain deflection can occur for the axis of graphite column, action is stirred in graphite column revolution
While, additionally it is possible to flexible bounce occurs.On the one hand pair that graphite column is formed when stirring copper liquid by the resistance of copper liquid is reduced
The destruction that is rigidly connected formed between graphite column and connecting portion 121, on the other hand by increasing the flexibility of graphite column so that graphite
Agitation of the post to copper liquid is more abundant.
As shown in figure 3, bell 12 is provided with charge door 123, charge door 123 is closed by feeding cover 124.The casting in bronze of this anaerobic
Stove 1 is made during copper is cast, it is necessary at times the Casting Additive such as rare earth is added into body of heater 11 to improve casting
The physical and chemical performance of oxygen-free copper.Charge door 123 is added on bell 12 can ensure in the case of being not turned on whole bell 12
Fed into body of heater 11, on the one hand simplify operation, on the other hand improved the tightness of body of heater 11, reduce entering for oxygen as far as possible
Enter.Feeding cover 124 can be actively covered on charge door 123, can also be opened on charge door 123 by axis of rotation
Close, it is necessary to which explanation, feeding cover 124 should ensure that sealing between charge door 123, prevent oxygen from entering from charge door 123
Enter into body of heater 11, completely cut off as far as possible in body of heater 11 and connected with air.
Bell 12 is provided with nitrogen charging joint 125, and nitrogen is filled into the body of heater 11 by nitrogen charging joint 125.In bell
Nitrogen charging joint 125 is added on 12, nitrogen is filled with into body of heater 11 by nitrogen charging joint 125, further starvation.By filling
Nitrogen isolates oxygen and capping sets oxygen uptake portion 13 in the body of heater 11, by the oxygen-barrier in body of heater 11 and removal, so as to ensureing and
Maintain the oxygen-free environment in body of heater 11.
In another embodiment, pressure switch is set on nitrogen charging joint 125, sets in body of heater 11 and electrically connects with pressure switch
Pressure sensor is connect, pressure sensor is used to sense the air pressure in body of heater 11, the gas that pressure switch senses according to pressure sensor
Pressure is turned on and off, so as to regulate and control to the pressure in body of heater 11.In the present embodiment, when pressure sensor senses body of heater
When air pressure in 11 is less than free-air value, pressure switch is opened, and nitrogen charging device is filled with nitrogen into body of heater 11, until pressure sensor
When the pressure in body of heater 11 sensed is higher than 1.2 times of atmospheric pressure, pressure switch is closed, and nitrogen charging device stops filling into body of heater 11
Nitrogen.Add the pressure control module of pressure switch and pressure sensor so that the pressure in body of heater 11 is slightly above extraneous all the time
Atmospheric pressure, it is flowed into so as to suppress air in body of heater 11 so that use is flooded with nitrogen in body of heater 11, further optimizes anaerobic
The oxygen-free environment of copper foundry furnace 1.
It should be noted that being provided with the oxygen-free copper foundry furnace 1 of pressure controlling module, preferable seal has been should ensure that,
Good sealing should be formed between lid and body of heater 11.
It should be noted that into body of heater 11 except nitrogen can be filled with, other oxygen-free inertia can also be filled with
Gas.
In the present embodiment, bell 12 is provided with temperature-measuring port 126, the setting temperature extended by temperature-measuring port 126 into body of heater 11
Sensor is spent, the casting temperature of copper liquid is measured by temperature sensor, and by the instrument being electrically connected with temperature sensor in the external world
Table is shown, realizes the monitoring to the casting temperature of oxygen-free copper, so as to timely regulate and control to the casting temperature of oxygen-free copper,
Optimize the casting environment of oxygen-free copper.
Bell 12 is provided with peep hole 127.The casting case in body of heater 11 is monitored by peep hole 127, produced
Timely it can find and solve during raw problem, the through hole on 127 bells 12 of the peep hole, excessive, anti-block should not be set
The entrance of gas and shedding for heat in body of heater 11 is prevented, waste the energy.
Oxygen-free copper foundry furnace 1 also includes pneumatic hammer, and pneumatic hammer is in the side wall of body of heater 11.Pneumatic hammer is also known as beche, beche
For the powder discharging device of impulse type structure.Prevent powder or slag body pipeline, hopper, feed bin conveying in it is caused adhesion, block and
Build bridge.Using air force principle, percussion dynamics is adjusted by adjusting supply gas pressure.The outer wall of equipment is tapped.
Restart the body of heater 11 of casting for shutdown, the copper ashes left when being cast before being remained on the inwall of body of heater 11, lead to
Cross pneumatic hammer and tap body of heater 11, so that the copper ashes being adhered on the inwall of body of heater 11 separates with body of heater 11, be easy to enter body of heater 11
Row cleaning, prevents body of heater 11 is cleared up from totally not causing copper ashes to remain, and band oxygen, influences casting effect in copper ashes.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, without
It is that therefore, other examples of exemplary embodiment can have different values as limitation.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore limitation of the scope of the invention can not be interpreted as.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.
Claims (10)
1. oxygen-free copper foundry furnace, including body of heater, it is characterised in that the oxygen-free copper foundry furnace also includes bell, the bell lid
Together on the body of heater；
The bell is provided with oxygen uptake portion, and the oxygen uptake portion, which is extended in the body of heater, to be used to absorb the oxygen or miscellaneous in copper liquid
Matter.
2. oxygen-free copper foundry furnace according to claim 1, it is characterised in that the oxygen uptake portion includes at least one graphite
Post.
3. oxygen-free copper foundry furnace according to claim 2, it is characterised in that the graphite column is provided with least one logical
Hole.
4. oxygen-free copper foundry furnace according to claim 2, it is characterised in that the relatively described bell of the graphite column is removable
Unload.
5. oxygen-free copper foundry furnace according to claim 2, it is characterised in that the graphite column passes through rotary driving part and institute
State bell connection.
6. the oxygen-free copper foundry furnace according to any one of claim 1-5, it is characterised in that the bell is provided with charging
Mouthful, the charge door is closed by feeding cover.
7. the oxygen-free copper foundry furnace according to any one of claim 1-5, it is characterised in that the bell is provided with nitrogen charging
Joint, nitrogen are filled into the body of heater by the nitrogen charging joint.
8. the oxygen-free copper foundry furnace according to any one of claim 1-5, it is characterised in that the bell is provided with thermometric
Mouthful.
9. the oxygen-free copper foundry furnace according to any one of claim 1-5, it is characterised in that the bell is provided with observation
Hole.
10. the oxygen-free copper foundry furnace according to any one of claim 1-5, it is characterised in that the oxygen-free copper foundry furnace
Also include pneumatic hammer, the pneumatic hammer is in the side wall of the body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315185.5A CN107805722A (en) | 2017-12-12 | 2017-12-12 | Oxygen-free copper foundry furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315185.5A CN107805722A (en) | 2017-12-12 | 2017-12-12 | Oxygen-free copper foundry furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107805722A true CN107805722A (en) | 2018-03-16 |
Family
ID=61589096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711315185.5A Pending CN107805722A (en) | 2017-12-12 | 2017-12-12 | Oxygen-free copper foundry furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN107805722A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6352753A (en) * | 1986-08-21 | 1988-03-05 | Furukawa Electric Co Ltd:The | Continuous casting method using heating mold |
| EP0987338A1 (en) * | 1998-09-09 | 2000-03-22 | MANNESMANN Aktiengesellschaft | Method for producing welded copper pipes |
| CN1666832A (en) * | 2005-04-05 | 2005-09-14 | 佛山市顺德区精艺万希铜业有限公司 | Oxygen-free copper pipe horizontal continuous casting oven and phosphor-free deoxidizing method |
| CN102168180A (en) * | 2011-04-11 | 2011-08-31 | 中天合金技术有限公司 | Upcast method for producing high-purity bright copper rod |
| CN202047116U (en) * | 2011-03-18 | 2011-11-23 | 绍兴市力博电气有限公司 | Continuous oxygen-free copper degassing and casting device |
| CN202517021U (en) * | 2012-03-06 | 2012-11-07 | 金川集团股份有限公司 | Device for preparing low-oxygen or oxygen-free copper tube |
| CN202925081U (en) * | 2012-11-30 | 2013-05-08 | 锦州新世纪石英（集团）有限公司 | High-conductivity oxygen-free copper dissolving device |
| CN208071782U (en) * | 2017-12-12 | 2018-11-09 | 芜湖精艺铜业有限公司 | Oxygen-free copper foundry furnace |
-
2017
- 2017-12-12 CN CN201711315185.5A patent/CN107805722A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6352753A (en) * | 1986-08-21 | 1988-03-05 | Furukawa Electric Co Ltd:The | Continuous casting method using heating mold |
| EP0987338A1 (en) * | 1998-09-09 | 2000-03-22 | MANNESMANN Aktiengesellschaft | Method for producing welded copper pipes |
| CN1666832A (en) * | 2005-04-05 | 2005-09-14 | 佛山市顺德区精艺万希铜业有限公司 | Oxygen-free copper pipe horizontal continuous casting oven and phosphor-free deoxidizing method |
| CN202047116U (en) * | 2011-03-18 | 2011-11-23 | 绍兴市力博电气有限公司 | Continuous oxygen-free copper degassing and casting device |
| CN102168180A (en) * | 2011-04-11 | 2011-08-31 | 中天合金技术有限公司 | Upcast method for producing high-purity bright copper rod |
| CN202517021U (en) * | 2012-03-06 | 2012-11-07 | 金川集团股份有限公司 | Device for preparing low-oxygen or oxygen-free copper tube |
| CN202925081U (en) * | 2012-11-30 | 2013-05-08 | 锦州新世纪石英（集团）有限公司 | High-conductivity oxygen-free copper dissolving device |
| CN208071782U (en) * | 2017-12-12 | 2018-11-09 | 芜湖精艺铜业有限公司 | Oxygen-free copper foundry furnace |
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