CN102994789B - Copper-magnesium intermediate alloy adding device and method - Google Patents
Copper-magnesium intermediate alloy adding device and method Download PDFInfo
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- CN102994789B CN102994789B CN201210515424.2A CN201210515424A CN102994789B CN 102994789 B CN102994789 B CN 102994789B CN 201210515424 A CN201210515424 A CN 201210515424A CN 102994789 B CN102994789 B CN 102994789B
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Abstract
The invention discloses a copper-magnesium intermediate alloy adding device and a method. The copper-magnesium intermediate alloy adding device comprises a base, a pillar, a stopper rod, a bell jar, a pressure head and a cross arm, wherein the pillar and the stopper rod are both connected to the base; the cross arm is transversely arranged on the stopper rod through the pressure head arranged on the stopper rod; one end of the cross arm is connected to the pillar; and the bell jar is connected to the lower end of the stopper rod and is used for adding copper-magnesium intermediate alloys. The content of magnesium element of a copper-magnesium alloy telegraph pole manufactured by the copper-magnesium intermediate alloy adding device reaches 600-8,000ppm, thereby improving the strength of the copper-magnesium alloy telegraph pole. By using the copper-magnesium intermediate alloy adding device, the problems of nonuniform magnesium element content, large magnesium loss and easy oxidization and slag-bonding are solved, in addition, the problems of high temperature burns caused by manual throwing of the copper-magnesium intermediate alloy, and scalding caused by splashing of copper solutions are avoided, thus the safety of operating staff is guaranteed.
Description
Technical field
The present invention relates to copper-magnesium alloy carrier cable production field, relate in particular to a kind of copper magnesium master alloy adding set and addition means.
Background technology
In the production process of copper-magnesium alloy line bar, need in copper liquid, add copper magnesium master alloy, to strengthen the performance of copper-magnesium alloy line bar.In prior art, copper magnesium master alloy addition means generally: 1, at copper liquid surface coverage one deck charcoal to prevent the oxygen uptake of copper liquid; 2, manually push part charcoal aside and in proportion copper magnesium master alloy is lost in copper liquid, after adding, original charcoal is covered and push aside on place's copper liquid; 3. in copper liquid, add copper coin in proportion again, complete adding procedure.
But because the proportion of copper magnesium master alloy is less than the proportion of copper liquid, copper magnesium master alloy only rests on the top layer of copper liquid, be difficult to sink to copper liquid bottom, thereby cause following problem:
1, the distributed pole of copper magnesium master alloy in copper liquid is inhomogeneous, and in the copper liquid of top layer, Mg content is high, and middle level and bottom Mg content are extremely low, do not reach Theoretical Calculation content, and with single line base, the fluctuation of the copper-magnesium alloy component content in a hour reaches 2000ppm to same heat;
2, because copper magnesium master alloy only stops copper liquid surface, magnesium elements in copper magnesium master alloy is volatilization and oxidized easily, therefore the scaling loss of magnesium elements is large, rate of loss reaches more than 50%, cause can only configuring at present the low levels copper-magnesium alloy line bar of magnesium element content below 3000ppm, cannot configure the high Mg content rod of metal alloy of high strength more than Mg content 3000ppm, therefore, be difficult to meet the need of market;
3, the magnesium elements that rests in a large number copper liquid surface reacts formation oxidation sludge with oxygen, in copper coin adding procedure, part oxidation sludge is brought into copper liquid, finally enter line bar, cause copper-magnesium alloy line bar surface in the time of following process to produce a large amount of burrs, affect the qualification rate of product;
4, while copper magnesium master alloy being lost in copper liquid, cause that copper liquid splashes, the copper liquid that operator are easy to be splashed is burnt, and produces work accident, thereby, operate abnormally dangerous and inconvenient.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of copper magnesium master alloy adding set and addition means, be intended to solve existing copper magnesium master alloy addition means add uneven, easily oxidized, affect conforming product rate and unhandy problem.
Technical scheme of the present invention is as follows:
A kind of copper magnesium master alloy adding set, wherein, comprise base, pillar, stopper, bell jar, pressure head and transverse arm, described pillar and stopper are all connected on described base, described transverse arm is horizontally installed on stopper by the pressure head being arranged on described stopper, one end of described transverse arm is connected on described pillar, and described bell jar is connected to the lower end of described stopper, for adding copper magnesium master alloy.
Described copper magnesium master alloy adding set, wherein, is also provided with on described base for transverse arm is carried out to spacing locating dowel.
Described copper magnesium master alloy adding set, wherein, also connects the sleeve that described in, stopper passes on described base.
Described copper magnesium master alloy adding set, wherein, the material of described bell jar is graphite.
Described copper magnesium master alloy adding set, wherein, the material of described stopper is graphite.
A copper magnesium master alloy addition means that adopts described copper magnesium master alloy adding set, wherein, comprises step:
A, above copper liquid, cover one deck charcoal layer, on described charcoal layer, add load weighted copper magnesium master alloy;
The position of B, adjusting copper magnesium master alloy adding set, makes bell jar be positioned at the top of copper magnesium master alloy;
C, by rotating transverse arm, stopper is moved down, and make bell jar slowly be pressed into copper liquid bottom, keep bell jar to leave standstill the scheduled time simultaneously;
D, by rotate transverse arm make bell jar shift out the liquid level of copper liquid, make bell jar and liquid level there is predetermined distance, complete copper magnesium master alloy adding procedure.
Described copper magnesium master alloy addition means, wherein, the described scheduled time is 5 minutes.
Described copper magnesium master alloy addition means, wherein, described predetermined distance is 200mm.
Beneficial effect: the present invention adopts copper magnesium master alloy adding set to add copper magnesium master alloy, can make copper magnesium master alloy enter into any position of copper liquid completely, magnesium elements can be uniformly distributed in copper liquid, thoroughly solve magnesium element content problem pockety, and can make in copper-magnesium alloy line bar magnesium element content fluctuating quantity in 200ppm; Adopt copper magnesium master alloy addition means of the present invention can make magnesium elements scaling loss below 30%, go out the copper-magnesium alloy line base of Mg content 3000ppm～8000ppm by UPCAST explained hereafter; Due to the inside that copper magnesium master alloy has been added to copper liquid completely, copper liquid surface is difficult to form oxidation sludge, makes copper liquid surface non-oxidation slag impurity, thereby has avoided the generation of line bar burr in following process; The invention solves traditional copper magnesium master alloy adding technique operation easier and greatly, easily produce the problem of work accident.
Brief description of the drawings
Fig. 1 is the structural representation of copper magnesium master alloy adding set of the present invention preferred embodiment.
Fig. 2 is the schema of copper magnesium master alloy addition means of the present invention preferred embodiment.
Fig. 3 is the magnesium element content schematic diagram that adopts the copper-magnesium alloy line bar of method manufacture of the present invention.
Embodiment
The invention provides a kind of copper magnesium master alloy adding set and addition means, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is copper magnesium master alloy adding set of the present invention, as shown in the figure, comprises base 150, pillar 170, stopper 160, bell jar 100, pressure head 180 and transverse arm 190.
Position and the annexation of said structure are: described pillar 170 and stopper 160 are all connected on described base 150, described transverse arm 190 is horizontally installed on stopper 160 by the pressure head 180 being arranged on described stopper 160, one end of described transverse arm 190 is connected on described pillar 170, described bell jar 100 is connected to the lower end of described stopper 160, for adding copper magnesium master alloy to copper liquid.
The present invention is pressed into copper magnesium master alloy to copper liquid by controlling bell jar 100, and bell jar 100 is preferably high temperature resistant, corrosion resistant material, such as graphite etc.Bell jar 100 is to be controlled by the stopper 160 being connected on bell jar 100, stopper 160 moves up and down and drives described bell jar 100 to move up and down, controlling the device that described stopper 160 moves comprises: transverse arm 190 and pressure head 180, pressure head 180 is connected transverse arm 190 with stopper 160, when transverse arm 190 rotates, under its pressure-acting, pressure head 180 promotes stopper 160 and bell jar 100 rises and declines, one end of transverse arm 190 is connected on column 170, for example connect in a fixed manner, thereby make the other end of transverse arm 190 carry out free rotation around fixing one end, transverse arm 190 is to utilize lever principle to promote, press down stopper 160 and bell jar 100, the other end of transverse arm 190 preferably can position and spacing by a locating dowel 200, transverse arm 190 is pressed down or on mention accurate location.
Preferably, also connect a sleeve 140 passing for described stopper 160 on described base 150, stopper 160 moves up and down in sleeve 140, and the effect of sleeve 140 is protection stoppers 160, and makes the motion of stopper 160 can be tiltedly not askew.
Further, the material of described stopper 160 is preferably graphite, utilizes its high temperature resistant, corrosion resistant character to improve life-span and the use properties of stopper.
In addition, in the present invention, can also improve copper magnesium master alloy adding set,, if find that in actual use the thickness of stopper is less, in the time being pressed into more copper magnesium master alloy, its buoyancy resistance is larger, bell jar can ftracture, and because magnesium elements has certain corrodibility, stopper can be tapered, impact is used, so the present invention also can suitably increase bell jar thickness, strengthen the intensity of bell jar, and on stopper, be coated with last layer corrosion resistant coating, prevent that it from attenuating.The formula of corrosion resistant coating provided by the invention comprises: by weight percentage, 82% brominated epoxy resin, 12%2,4,6-tri-(dimethylaminomethyl) phenol, 2.4% silica powder, 3.6% salt spray resistance agent, the corrosion resistant coating corrosion resistance nature making is better, and coating densification, sticking power, resistance to impact shock and good toughness.
In the present invention, also can in copper magnesium master alloy adding set, set up a storing device and adding set, described storing device is for storing and place copper magnesium master alloy, described adding set is connected in described storing device, for the copper magnesium master alloy of storing device is poured into charcoal layer top according to required addition by copper magnesium master alloy, thereby without manually copper magnesium master alloy being added to charcoal layer top.More preferably, described storing device is funnel shaped, be provided with a tapping hole in the bottom of described storing device, described tapping hole is provided with a motor switch, for whether blowing of the copper magnesium master alloy of control store device, described motor switch connects described adding set, is provided with a MCU(microprocessor control unit in described adding set), described microprocessor control unit receives the start and stop of user's instruction control motor switch, and then whether the blowing of control store device.Further, described MCU connects a timing device, thereby controls after the copper magnesium master alloy that adds certain hour, automatically stops feeding in raw material.
Further, described tapping hole lower end is flexibly connected a bulk material device, described bulk material device can be dispersed in copper magnesium master alloy on charcoal layer uniformly, thereby avoid disperseing uneven problem, this bulk material device can be shaken by vibrating mechanism, thereby reaches the object of disperseing copper magnesium master alloy.
Copper magnesium master alloy addition means provided by the invention, as shown in Figure 2, comprises step:
S101, above copper liquid, cover one deck charcoal layer, on described charcoal layer, add load weighted copper magnesium master alloy; Copper liquid in the present invention is to be placed in induction furnace, and copper liquid top covers charcoal layer, while adding copper magnesium master alloy, the bell of induction furnace is opened, and load weighted copper magnesium master alloy is deposited on the charcoal layer of copper liquid top; Addition as for copper magnesium master alloy can, with reference to prior art, not repeat at this.
The position of S102, adjusting copper magnesium master alloy adding set, makes bell jar be positioned at the top of copper magnesium master alloy; Regulate the position of copper magnesium master alloy adding set on induction furnace, bell jar is adjusted to the copper magnesium master alloy top that need to just add, to from top to bottom copper magnesium master alloy is pressed in copper liquid.
S103, by rotating transverse arm, stopper is moved down, and make bell jar slowly be pressed into copper liquid bottom, keep bell jar to leave standstill the scheduled time simultaneously; This process need is first closed induction furnace bell, then compresses, fixed muffle, and stopper can only be moved up and down in the fixing scope of sleeve, ensures that copper magnesium master alloy is added to position accurately.Down rotate transverse arm again, stopper and bell jar are slowly pressed into copper liquid bottom, i.e. the furnace bottom of induction furnace, then stops pressing down, and with limited post, transverse arm is fixed, and keeps bell jar to leave standstill the scheduled time.The preferred time of repose of the present invention is 5 minutes, copper magnesium master alloy rested in copper liquid about 5 minutes, can make copper magnesium master alloy fuse into completely in copper liquid, certainly in actual use, can suitably adjust time of repose according to the addition of copper magnesium master alloy.
S104, by rotate transverse arm make bell jar shift out liquid level, complete the adding procedure of copper magnesium master alloy; After copper magnesium master alloy fuses in copper liquid completely, then by stopper, bell jar is proposed to the liquid level of copper liquid, make bell jar from the about 200mm of liquid level left and right, to facilitate the interpolation operation of carrying out next time.
Bell jar is being shifted out after the liquid level of copper liquid, can again copper magnesium master alloy be placed on again to the below of bell jar, then continue bell jar to be depressed into copper liquid bottom, continue interpolation operation next time, repeat this step, and adjust the position of bell jar, can realize the object of evenly adding copper magnesium master alloy in copper liquid.
By aforesaid method, copper magnesium master alloy is added into after copper liquid, the copper-magnesium alloy line bar surface quality producing is good, in following process process, surface does not have burr yet, the content of magnesium elements is high and be evenly distributed, draw through sampling analysis, the magnesium element content of the copper-magnesium alloy line bar of making by copper magnesium master alloy device of the present invention reaches 600ppm ~ 8000ppm, has improved the intensity of copper-magnesium alloy line bar.Solve by the present invention that magnesium element content is inhomogeneous, magnesium loss is large, the problem of oxidizable slagging scorification, in addition, also avoided high temperature burn, copper liquid that artificial input copper magnesium master alloy the causes problem of scalding of splashing, ensured operator's safety.
As shown in Figure 3, in Fig. 3, illustrated every 2 hours and the copper-magnesium alloy line bar of preparing has been carried out to the schematic diagram of the Mg content that sampling analysis draws, after continuous 10 hours sampling analysis, as can be seen from the figure the content fluctuating quantity of magnesium elements is very little, substantially tend to be steady, its maximum fluctuation amount is only 40ppm.
In sum, the present invention adopts copper magnesium master alloy adding set to add copper magnesium master alloy, can make copper magnesium master alloy enter into any position of copper liquid completely, magnesium elements can be uniformly distributed in copper liquid, thoroughly solve magnesium element content problem pockety, and can make in copper-magnesium alloy line bar magnesium element content fluctuating quantity in 200ppm; Adopt copper magnesium master alloy addition means of the present invention can make magnesium elements scaling loss below 30%, go out the copper-magnesium alloy line base of Mg content 3000ppm～8000ppm by UPCAST explained hereafter; Due to the inside that copper magnesium master alloy has been added to copper liquid completely, copper liquid surface is difficult to form oxidation sludge, makes copper liquid surface non-oxidation slag impurity, thereby has avoided the generation of line bar burr in following process; The invention solves traditional copper magnesium master alloy adding technique operation easier and greatly, easily produce the problem of work accident.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (2)
1. a copper magnesium master alloy adding set, it is characterized in that, comprise base, pillar, stopper, bell jar, pressure head and transverse arm, described pillar and stopper are all connected on described base, described transverse arm is horizontally installed on stopper by the pressure head being arranged on described stopper, one end of described transverse arm is connected on described pillar, and described bell jar is connected to the lower end of described stopper, for adding copper magnesium master alloy;
On described base, be also provided with for transverse arm is carried out to spacing locating dowel;
On described base, also connect the sleeve that described in, stopper passes;
The material of described bell jar is graphite;
The material of described stopper is graphite; Be coated with last layer corrosion resistant coating outward at stopper, prevent that stopper from attenuating, described corrosion resistant coating, by mass percentage, comprises 82% brominated epoxy resin, 12%2,4,6-tri-(dimethylaminomethyl) phenol, 2.4% silica powder, 3.6% salt spray resistance agent.
2. adopt a copper magnesium master alloy addition means for copper magnesium master alloy adding set as claimed in claim 1, it is characterized in that, comprise step:
A, above copper liquid, cover one deck charcoal layer, on described charcoal layer, add load weighted copper magnesium master alloy;
The position of B, adjusting copper magnesium master alloy adding set, makes bell jar be positioned at the top of copper magnesium master alloy;
C, by rotating transverse arm, stopper is moved down, and make bell jar slowly be pressed into copper liquid bottom, keep bell jar to leave standstill the scheduled time simultaneously;
D, by rotate transverse arm make bell jar shift out the liquid level of copper liquid, make bell jar and liquid level there is predetermined distance, complete copper magnesium master alloy adding procedure;
The described scheduled time is 5 minutes;
Described predetermined distance is 200mm.
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| CN104962767A (en) * | 2015-07-30 | 2015-10-07 | 绍兴市力博电气有限公司 | High-copper alloy smelting upcasting furnace |
| CN105568016A (en) * | 2015-12-21 | 2016-05-11 | 赣州江钨拉法格高铁铜材有限公司 | Method for adding alloy elements in up-drawing copper-magnesium alloy casting |
| CN111604385A (en) * | 2020-06-04 | 2020-09-01 | 江苏亨通电力智网科技有限公司 | Preparation method of high-strength high-conductivity copper-magnesium alloy monofilament |
Citations (3)
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| CN202297745U (en) * | 2011-10-24 | 2012-07-04 | 中国铁建电气化局集团有限公司 | Tool special for adding magnesium |
| CN202304436U (en) * | 2011-10-31 | 2012-07-04 | 中国铁建电气化局集团有限公司 | Magnesium adding device for copper magnesium smelting furnace |
| CN102206766B (en) * | 2011-05-03 | 2012-11-21 | 中国西电集团公司 | Method for controlling magnesium content in copper-magnesium alloy casting process |
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| JP3249650B2 (en) * | 1993-08-04 | 2002-01-21 | 日鉱金属株式会社 | Copper alloy melting method |
| CA2523755C (en) * | 2003-04-30 | 2012-06-05 | Dainippon Ink And Chemicals, Inc. | Curable resin composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102206766B (en) * | 2011-05-03 | 2012-11-21 | 中国西电集团公司 | Method for controlling magnesium content in copper-magnesium alloy casting process |
| CN202297745U (en) * | 2011-10-24 | 2012-07-04 | 中国铁建电气化局集团有限公司 | Tool special for adding magnesium |
| CN202304436U (en) * | 2011-10-31 | 2012-07-04 | 中国铁建电气化局集团有限公司 | Magnesium adding device for copper magnesium smelting furnace |
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| JP特開平7-48638A 1995.02.21 |
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