CN101121194A - Technology for casting updraft of silicon bronze billet - Google Patents
Technology for casting updraft of silicon bronze billet Download PDFInfo
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- CN101121194A CN101121194A CNA2007101316247A CN200710131624A CN101121194A CN 101121194 A CN101121194 A CN 101121194A CN A2007101316247 A CNA2007101316247 A CN A2007101316247A CN 200710131624 A CN200710131624 A CN 200710131624A CN 101121194 A CN101121194 A CN 101121194A
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Abstract
The present invention discloses a silicon bronze bar up-casting process comprising the following steps that put copper, silicon and other elements into the furnace until being melted down; and then cover the metal liquid with charcoal and mix together after being melted down thoroughly; implement sampling and analysis and remove the sediment with high temperature after the metal liquid is checked out; pour the metal liquid after the sediment being removed into a finery of power frequency maintaining furnace with iron core and remove the sediment; cover the metal liquid surface with charcoal in the refinery and cover the metal liquid surface with crystalline flake graphite in the working chamber of the power frequency maintaining furnace with iron core; adjust the power frequency maintaining furnace with iron core to keep the temperature between 1160 to 1250 Celsius degrees; supply water by the crystallizer and draw the metal liquid by a draw gear. The silicon bronze bar up-casting process boasts of low casting temperature, fast drawing speed and high production efficiency; the crystalline grain of the produced silicon bronze bar is even; the production safety performance is excellent which can prevent the accident from happening in the process of manual operation.
Description
Technical field
The present invention relates to a kind of up casting technology of silicon bronze bar blank.
Background technology
The casting of traditional silicon bronze bar blank; the general horizontal continuous-casting cast that all utilizes; the shortcoming of this horizontal continuous-casting technology is; the casting temperature height; the silicon bronze bar blank of producing is because of the difference of top and bottom cooling condition; cause the bottom of excellent base tiny because of the big crystal grain of intensity of cooling; top is thick because of the little crystal grain of intensity of cooling; make the silicon bronze bar blank grain structure of producing inhomogeneous; influence the quality of product; be subjected to the restriction of appointed condition again because of the number of horizontal continuous-casting technology draw-gear; generally can only be provided with one to two, production efficiency is low, also the bleedout phenomenon occurs through regular meeting; technical merit requirement to the operator is very high, has an accident easily when the common laborer operates.
Summary of the invention
Technical problem to be solved by this invention provides a kind of silicon bronze bar blank uniform crystal particles that casting is come out, the up casting technology of the silicon bronze bar blank that production efficiency is high.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: add copper in smelting furnace, silicon and other component are to fusing, adding charcoal then covers, all stir the fusing back, carry out sample analysis, after the assay was approved to the molten metal slagging-off that heats up, pour the molten metal after the slagging-off into power frequency refining furnace in the holding furnace unshakable in one's determination is arranged, remove the gred again, in refining furnace, add charcoal and cover metal bath surface, add crystalline flake graphite and cover metal bath surface in power frequency has operating room in the holding furnace unshakable in one's determination, regulating power frequency has holding furnace unshakable in one's determination that the molten metal temperature is remained between 1160 ℃～1250 ℃, is supplied water by crystallizer and utilizes draw-gear that molten metal is drawn.
In order better to solve the problems of the technologies described above, described other component is a manganese.
In order better to solve the problems of the technologies described above, described other component is nickel and manganese.
In order better to solve the problems of the technologies described above, described other component is manganese, zinc and iron.
In order better to solve the problems of the technologies described above, the addition sequence of described copper, silicon and manganese is that at first the adding part copper adds silicon to fusing in smelting furnace in smelting furnace, more remaining copper is added silicon is covered, and at last manganese is added.
In order better to solve the problems of the technologies described above, the addition sequence of described copper, silicon, nickel, manganese is that at first the adding part copper adds silicon and nickel to fusing in smelting furnace in smelting furnace, more remaining copper is added its covering, at last manganese is added.
In order better to solve the problems of the technologies described above, the addition sequence of described copper, silicon, zinc, iron, manganese is that at first the adding part copper adds silicon, iron to fusing in smelting furnace in smelting furnace, more remaining copper is added its covering, at last zinc and manganese is added.
In order better to solve the problems of the technologies described above, the number of described draw-gear can be provided with arbitrarily according to producing needs.
In order better to solve the problems of the technologies described above, described smelting furnace is the intermediate frequency (IF) smelting stove.
In order better to solve the problems of the technologies described above, described charcoal is the charcoal after high-temperature calcination.
Advantage of the present invention is: the upper-drawing casting device casting temperature of this silicon bronze bar blank is low, and hauling speed is fast, the production efficiency height, and the silicon bronze bar blank uniform crystal particles of producing, production security is good, prevents to have an accident when the workman from operating.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the process chart of the up casting technology of silicon bronze bar blank of the present invention.
Among the figure: 1, the control device that rises and falls, 2, smelting furnace, 3, power frequency has holding furnace unshakable in one's determination; 4, draw-gear, 5, the rotation and lifting frame, 6, crystallizer; 7, water inlet, 8, discharge outlet, 9, dummy bar; 10, graphite mo(u)ld; 11, graphite protective sleeve, 12, partition wall, 13, refining furnace; 14, operating room, 15, molten metal.
The specific embodiment
As shown in Figure 1: the up casting technology of silicon bronze bar blank, comprise the steps: in smelting furnace 2, to add copper, silicon and other component are to fusing, adding charcoal then covers, all stir the fusing back, carry out sample analysis, after the assay was approved to molten metal 15 slagging-off that heats up, pour the molten metal 15 after the slagging-off into power frequency refining furnace 13 in the holding furnace 3 unshakable in one's determination is arranged, remove the gred again, in refining furnace 13, add charcoal and cover metal bath surface, in power frequency has operating room 14 in the holding furnace 3 unshakable in one's determination, add crystalline flake graphite and cover metal bath surface, regulating power frequency has holding furnace 3 unshakable in one's determination that molten metal 15 temperature are remained between 1160 ℃～1200 ℃, is supplied water by crystallizer 6 and utilizes 4 pairs of molten metals 15 of draw-gear to draw.
Draw in the process on concrete silicon bronze bar blank, described other component is manganese or manganese, nickel or manganese, zinc, iron; The number of draw-gear 4 can be provided with arbitrarily according to producing needs, has improved production efficiency; Smelting furnace 2 can adopt the intermediate frequency (IF) smelting stove, can reach better melting effect; Charcoal can adopt the charcoal after high-temperature calcination, can better adsorb the come-up gas in slag and the molten metal 15, prevents molten metal 15 heat radiation and oxidations.
Embodiment 1: the preparation 1000kg trade mark is that the silicon bronze alloy of C65100 needs copper 977kg, silicon 17kg, manganese 6kg, at first the copper of adding 40% is that 390.8kg is to fusing in smelting furnace 2, in smelting furnace 2, add silicon 17kg, be that 586.2kg adds the silicon covering again with remaining 60% bronze medal, add 6kg manganese at last.The advantage reinforced by this order is: prevent the floating difficult fusing of silicon, reduce the oxidization burning loss of manganese, it is air-breathing to reduce melt, add then through the charcoal after the high-temperature calcination and cover, all stir the fusing back, carries out sample analysis, after the assay was approved to molten metal 15 slagging-off that heats up, the adjustment control device 1 that rises and falls raises intermediate frequency (IF) smelting stove 2 and tilts, and pouring the molten metal 15 after the slagging-off into power frequency has refining furnace 13 in the holding furnace 3 unshakable in one's determination.Power frequency has in the holding furnace 3 unshakable in one's determination and is provided with partition wall 12, partition wall 12 has holding furnace 3 unshakable in one's determination to be divided into the cavity that two bottoms communicate power frequency, one is refining furnace 13, another is operating room 14, molten metal 15 is poured into after the refining furnace 13, molten metal 15 can flow into operating room 14 by the cavity below partition wall 12, because molten metal 15 flows into the fluctuation of metal bath surface in the time of therefore can reducing traction from the bottom.After pouring molten metal 15 into refining furnace, also to carry out once removing slag operation to molten metal, can prevent that like this slag from entering the operating room by the cavity below 12 and causing the excellent slag inclusion of casting, in refining furnace 13, add through the charcoal after the high-temperature calcination and cover metal bath surface, in operating room 14, add crystalline flake graphite and cover metal bath surface, regulating power frequency has holding furnace 3 unshakable in one's determination that molten metal 15 temperature are remained between 1160 ℃～1200 ℃, is supplied water by crystallizer 6 and utilizes 4 pairs of molten metals 15 of draw-gear to draw.Concrete distraction procedure is: by adjusting rotation and lifting frame 5; draw-gear is moved for 4 times; dummy bar 9 on the draw-gear 4 is located in the crystallizer 6, and the lower end of crystallizer 6 is provided with graphite mo(u)ld 10, and the arranged outside in graphite mo(u)ld 10 and crystallizer 6 junctions has graphite protective sleeve 11.Draw-gear 4 moves down and drives graphite mo(u)ld 10 and be inserted in the molten metal 15 in the operating room 14, because the molten metal 15 of the effect operating room 14 of static pressure enters into crystallizer 6, cooling water is entered by the water inlet 7 of crystallizer 6 upper ends molten metal is cooled off, make it to be frozen into silicon bronze bar blank, flow out crystallizer 6 from delivery port 8 then, the silicon bronze bar blank that draw-gear 4 will solidify pulls out crystallizer 6 along dummy bar 9, realizes the up casting to silicon bronze bar blank.
Embodiment 2: the preparation 1000kg trade mark is that the silicon bronze alloy of QSi1-3 needs copper 956kg, silicon 10kg, manganese 4kg, nickel 30kg, at first the copper of adding 30% is that 286.8kg is to fusing in smelting furnace 2, in smelting furnace 2, add the silicon of 10kg and the nickel of 30kg, be that 669.2kg adds its covering again with remaining 70% bronze medal, add 4kg manganese at last.The advantage reinforced by this order is: prevent the floating difficult fusing of silicon, reduce the oxidization burning loss of manganese, it is air-breathing to reduce melt, add then through the charcoal after the high-temperature calcination and cover, all stir the fusing back, carries out sample analysis, after the assay was approved to molten metal 15 slagging-off that heats up, the adjustment control device 1 that rises and falls raises intermediate frequency (IF) smelting stove 2 and tilts, and pouring the molten metal 15 after the slagging-off into power frequency has refining furnace 13 in the holding furnace 3 unshakable in one's determination.Power frequency has in the holding furnace 3 unshakable in one's determination and is provided with partition wall 12, partition wall 12 has holding furnace 3 unshakable in one's determination to be divided into the cavity that two bottoms communicate power frequency, one is refining furnace 13, another is operating room 14, molten metal 15 is poured into after the refining furnace 13, molten metal 15 can flow into operating room 14 by the cavity below partition wall 12, because molten metal 15 flows into the fluctuation of metal bath surface in the time of therefore can reducing traction from the bottom.After pouring molten metal 15 into refining furnace, also to carry out once removing slag operation to molten metal, can prevent that like this slag from entering the operating room by the cavity below 12 and causing the excellent slag inclusion of casting, in refining furnace 13, add through the charcoal after the high-temperature calcination and cover metal bath surface, in operating room 14, add crystalline flake graphite and cover metal bath surface, regulating power frequency has holding furnace 3 unshakable in one's determination that molten metal 15 temperature are remained between 1180 ℃～1220 ℃, is supplied water by crystallizer 6 and utilizes 4 pairs of molten metals 15 of draw-gear to draw.Concrete distraction procedure is: by adjusting rotation and lifting frame 5; draw-gear is moved for 4 times; dummy bar 9 on the draw-gear 4 is located in the crystallizer 6, and the lower end of crystallizer 6 is provided with graphite mo(u)ld 10, and the arranged outside in graphite mo(u)ld 10 and crystallizer 6 junctions has graphite protective sleeve 11.Draw-gear 4 moves down and drives graphite mo(u)ld 10 and be inserted in the molten metal 15 in the operating room 14, because the molten metal 15 of the effect operating room 14 of static pressure enters into crystallizer 6, cooling water is entered by the water inlet 7 of crystallizer 6 upper ends molten metal is cooled off, make it to be frozen into silicon bronze bar blank, flow out crystallizer 6 from delivery port 8 then, the silicon bronze bar blank that draw-gear 4 will solidify pulls out crystallizer 6 along dummy bar 9, realizes the up casting to silicon bronze bar blank.
Embodiment 3: the preparation 1000kg trade mark is that the silicon bronze alloy of QSi3.5-3-1.5 needs copper 911kg, silicon 35kg, zinc 30kg, iron 15kg, manganese 9kg, at first the copper of adding 50% is that 455.5kg is to fusing in smelting furnace 2, in smelting furnace 2, add the silicon of 35kg and the iron of 15kg, be that 455.5kg adds its covering, the zinc of the manganese of the 9kg of Jia Ruing and 30kg at last again with remaining 50% bronze medal.The advantage reinforced by this order is: prevent the floating difficult fusing of silicon, reduce the oxidization burning loss of manganese and zinc, it is air-breathing to reduce melt, add then through the charcoal after the high-temperature calcination and cover, all stir the fusing back, carries out sample analysis, after the assay was approved to molten metal 15 slagging-off that heats up, the adjustment control device 1 that rises and falls raises intermediate frequency (IF) smelting stove 2 and tilts, and pouring the molten metal 15 after the slagging-off into power frequency has refining furnace 13 in the holding furnace 3 unshakable in one's determination.Power frequency has in the holding furnace 3 unshakable in one's determination and is provided with partition wall 12, partition wall 12 has holding furnace 3 unshakable in one's determination to be divided into the cavity that two bottoms communicate power frequency, one is refining furnace 13, another is operating room 14, molten metal 15 is poured into after the refining furnace 13, molten metal 15 can flow into operating room 14 by the cavity below partition wall 12, because molten metal 15 flows into the fluctuation of metal bath surface in the time of therefore can reducing traction from the bottom.After pouring molten metal 15 into refining furnace, also to carry out once removing slag operation to molten metal, can prevent that like this slag from entering the operating room by the cavity below 12 and causing the excellent slag inclusion of casting, in refining furnace 13, add through the charcoal after the high-temperature calcination and cover metal bath surface, in operating room 14, add crystalline flake graphite and cover metal bath surface, regulating power frequency has holding furnace 3 unshakable in one's determination that molten metal 15 temperature are remained between 1200 ℃～1250 ℃, is supplied water by crystallizer 6 and utilizes 4 pairs of molten metals 15 of draw-gear to draw.Concrete distraction procedure is: by adjusting rotation and lifting frame 5; draw-gear is moved for 4 times; dummy bar 9 on the draw-gear 4 is located in the crystallizer 6, and the lower end of crystallizer 6 is provided with graphite mo(u)ld 10, and the arranged outside in graphite mo(u)ld 10 and crystallizer 6 junctions has graphite protective sleeve 11.Draw-gear 4 moves down and drives graphite mo(u)ld 10 and be inserted in the molten metal 15 in the operating room 14, because the molten metal 15 of the effect operating room 14 of static pressure enters into crystallizer 6, cooling water is entered by the water inlet 7 of crystallizer 6 upper ends molten metal is cooled off, make it to be frozen into silicon bronze bar blank, flow out crystallizer 6 from delivery port 8 then, the silicon bronze bar blank that draw-gear 4 will solidify pulls out crystallizer 6 along dummy bar 9, realizes the up casting to silicon bronze bar blank.
Claims (10)
1. the up casting technology of silicon bronze bar blank, comprise the steps: in smelting furnace (2), to add copper, silicon and other component are to fusing, adding charcoal then covers, all stir the fusing back, carry out sample analysis, after the assay was approved to molten metal (15) slagging-off that heats up, pour the molten metal (15) after the slagging-off into power frequency refining furnace (13) in the holding furnace unshakable in one's determination (3) is arranged, remove the gred again, in refining furnace (13), add charcoal and cover metal bath surface, in power frequency has operating room (14) in the holding furnace unshakable in one's determination (3), add crystalline flake graphite and cover metal bath surface, regulating power frequency has holding furnace unshakable in one's determination (3) that molten metal (15) temperature is remained between 1160 ℃～1250 ℃, is supplied water by crystallizer (6) and utilizes draw-gear (4) that molten metal (15) is drawn.
2. according to the up casting technology of the described silicon bronze bar blank of claim 1, it is characterized in that: described other component is a manganese.
3. according to the up casting technology of the described silicon bronze bar blank of claim 1, it is characterized in that: described other component is nickel and manganese.
4. according to the up casting technology of the described silicon bronze bar blank of claim 1, it is characterized in that: described other component is manganese, zinc and iron.
5. according to the up casting technology of the described silicon bronze bar blank of claim 2, it is characterized in that: the addition sequence of described copper, silicon and manganese is, at first in smelting furnace (2), add part copper to fusing, in smelting furnace (2), add silicon, again remaining copper is added the silicon covering, at last manganese is added.
6. according to the up casting technology of the described silicon bronze bar blank of claim 3, it is characterized in that: the addition sequence of described copper, silicon, nickel, manganese is, at first in smelting furnace (2), add part copper to fusing, in smelting furnace (2), add silicon and nickel, again remaining copper is added its covering, at last manganese is added.
7. according to the up casting technology of the described silicon bronze bar blank of claim 4, it is characterized in that: the addition sequence of described copper, silicon, zinc, iron, manganese is, at first in smelting furnace (2), add part copper to fusing, in smelting furnace (2), add silicon, iron, again remaining copper is added its covering, at last zinc and manganese are added.
8. according to the up casting technology of the described silicon bronze bar blank of claim 1 to 4, it is characterized in that: the number of described draw-gear (4) can be provided with arbitrarily according to producing needs.
9. according to the up casting technology of the described silicon bronze bar blank of claim 1 to 4, it is characterized in that: described smelting furnace (2) is the intermediate frequency (IF) smelting stove.
10. according to the up casting technology of the described silicon bronze bar blank of claim 1 to 4, it is characterized in that: described charcoal is the charcoal after high-temperature calcination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101316247A CN101121194A (en) | 2007-09-04 | 2007-09-04 | Technology for casting updraft of silicon bronze billet |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101316247A CN101121194A (en) | 2007-09-04 | 2007-09-04 | Technology for casting updraft of silicon bronze billet |
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| CN101121194A true CN101121194A (en) | 2008-02-13 |
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| CNA2007101316247A Pending CN101121194A (en) | 2007-09-04 | 2007-09-04 | Technology for casting updraft of silicon bronze billet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414509A (en) * | 2015-11-23 | 2016-03-23 | 晋源电气集团股份有限公司 | Oxygen-free copper rod for cable and up-casting preparation process of oxygen-free copper rod for cable |
-
2007
- 2007-09-04 CN CNA2007101316247A patent/CN101121194A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414509A (en) * | 2015-11-23 | 2016-03-23 | 晋源电气集团股份有限公司 | Oxygen-free copper rod for cable and up-casting preparation process of oxygen-free copper rod for cable |
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