CN108405820A - A kind of horizontal casting Rolling Production brass tube technique - Google Patents
A kind of horizontal casting Rolling Production brass tube technique Download PDFInfo
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- CN108405820A CN108405820A CN201810243128.9A CN201810243128A CN108405820A CN 108405820 A CN108405820 A CN 108405820A CN 201810243128 A CN201810243128 A CN 201810243128A CN 108405820 A CN108405820 A CN 108405820A
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- 229910001369 Brass Inorganic materials 0.000 title claims abstract description 71
- 239000010951 brass Substances 0.000 title claims abstract description 71
- 238000005266 casting Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000005096 rolling process Methods 0.000 title claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 51
- 239000000956 alloy Substances 0.000 claims abstract description 51
- 238000002844 melting Methods 0.000 claims abstract description 50
- 230000008018 melting Effects 0.000 claims abstract description 50
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 40
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 40
- 238000004321 preservation Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000009785 tube rolling Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 47
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 claims description 30
- 229910001096 P alloy Inorganic materials 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 28
- 238000010792 warming Methods 0.000 claims description 28
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 27
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 27
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 27
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 27
- 238000005554 pickling Methods 0.000 claims description 21
- 238000002425 crystallisation Methods 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 20
- 229910052725 zinc Inorganic materials 0.000 claims description 20
- 239000011701 zinc Substances 0.000 claims description 20
- 238000009833 condensation Methods 0.000 claims description 19
- 230000005494 condensation Effects 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 230000008025 crystallization Effects 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 11
- 230000035807 sensation Effects 0.000 claims description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 10
- 238000003723 Smelting Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 10
- 239000003610 charcoal Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 10
- 239000004615 ingredient Substances 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 239000011574 phosphorus Substances 0.000 claims description 10
- 238000012797 qualification Methods 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 229910052727 yttrium Inorganic materials 0.000 claims description 10
- 239000001307 helium Substances 0.000 claims description 9
- 229910052734 helium Inorganic materials 0.000 claims description 9
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 238000000137 annealing Methods 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/004—Copper alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/045—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a kind of techniques of horizontal casting Rolling Production brass tube；Its master operation includes melting, heat preservation cooling, horizontal casting, cuts, goes removing oxide layer, tube rolling annealing；Wherein by the control to material content, and it is added to rare earth alloy in melting, improves the refinement of crystal grain, promote processing performance, be conducive to the production of rolling, promotes lumber recovery；Technological parameter is optimized simultaneously and really, the brass tube prepared using the production of present invention process parameter, outer diameter and wall thickness deviation are small, and precision is high, and mechanical performance is strong；And present invention process is applicable in the horizontal casting Rolling Production of all specification brass tubes, it is easy to spread.
Description
Technical field
The present invention relates to alloy manufacturing fields, and in particular to the method for horizontal casting Rolling Production brass tube.
Background technology
Existing brass tube production technology is ingot casting, extruding, stretching or ingot casting, extruding, tube rolling, stretching, Product Process route
It is long, and BRASS FORGE squeezes by heating and forms brass pipe blanks, syringe needle flexural deformation when pipe is due to perforation is also easy to produce bias, squeezes
Pressure passage will also lose 20% lumber recovery, and then cause brass tube lumber recovery relatively low, in addition, the pipe formed is needed by anti-
It stretches 12 times again, this leads to the reduction of brass tube uniformity, and yield rate further declines, to improve being produced into for brass tube
This.
There is remarkable advantage compared with traditional handicraft using the horizontal continuous casting process, be mainly manifested in：（1）Eliminate the de- of molding
Mould, mould preparation, ingot casting soaking and cogging process shorten flow and reduce labour, reduce capital construction input, improving production efficiency；（2）
The waste for reducing raw material, improves recovery rate of iron；（3）Soaking pit reheating operation is eliminated, reduces energy consumption, further
Shorten the process-cycle；（4）Metal is rapidly cooled, compact crystallization, even tissue, and slab quality is good；（5）Tundish and crystallizer
It is linked to be an entirety, avoids secondary oxidation, strand purity is high.
The process that a kind of horizontal casting prepares bathroom brass tube is disclosed in Chinese granted patent CN103695703,
It finds that the technique has limitation by multiple practical proof, may not apply to extensive brass tube production, main cause is
The technique directly rolls strand pipe without annealing, but different brass tubes its processing performance differs, for processability
The low brass tube of energy, yield rate is lower instead for Direct Rolling, this reason directly limits horizontal casting production brass tube technique
Popularization.
Invention content
Present invention aim to address insufficient existing for above-mentioned technology, a kind of horizontal casting Rolling Production brass tube is provided
Technique, this method determine scientific and reasonable processing step and technological parameter so that the technique is applicable in required brass tube
It prepares.
A kind of horizontal casting Rolling Production brass tube technique, the specific steps are：
Melting：Casting furnace is warming up to 120-150 DEG C, keeps the temperature 1h, then 760-810 DEG C is warming up to 5 DEG C/min rates, heat preservation
After 10min, casting furnace melting 30-45min is added in cathode copper；It is warming up to 880-920 DEG C with 5 DEG C/min rates again, heat preservation
After 5min, copper-phosphorus alloy is added and carries out deoxidation removal of impurities, melting 30-50min；950-990 DEG C is risen to 5 DEG C/min rates again, is protected
Rare earth alloy, melting 35-45min are added after warm 5min；1250-1300 DEG C is risen to 5 DEG C/min rates again, after keeping the temperature 5min,
Zinc is added, melting 25-40min obtains melt, and covers the oxygen barrier heat preservation of charcoal layer of 130-170mm thickness on alloy molten solution surface；Its
In, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, and the mass fraction of phosphorus accounts for 14%；Cathode copper, copper-phosphorus alloy, rare earth alloy, zinc
Mass ratio be 63-72:0.03-0.05:0.003-0.005:25-36；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 10-15mm/s, and condensation hydraulic pressure control is in 0.2-0.5MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 200- are obtained
225mm/min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are removed into removing oxide layer, lathe input and output material speed 1650- through Centreless lathe vehicle face
1800mm/min, speed of mainshaft 450-520r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 850-880 DEG C with the rate of 3 DEG C/min, after keeping the temperature 3-5h, protect
Hold vacuum degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repetition step back and pickling 3-4 times after, obtain
Finished product.
Wherein, the rare earth alloy is Mg-Gd-Y-Zn alloys, and preparation process is in mass ratio 55:3.5:1.8:1.3 claiming
Magnesium, gadolinium, yttrium, zinc powder are taken, and powder is preheated to 180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace,
Under conditions of helium is protected, 700 DEG C are risen to the rate of 10 DEG C/min, after magnesium powder is completely dissolved, after keeping the temperature 10min, is added
Enter zinc powder, rises to 800 DEG C with the rate of 5 DEG C/min, after keeping the temperature 5min, gadolinium powder, yttrium is added after zinc powder is completely dissolved in stirring
Powder keeps temperature-resistant, stirring, after gadolinium powder and yttrium powder are completely dissolved, after keeping the temperature 25min, remove the gred, after static 30min, will melt
Liquid imports crystallizer, controls melt flow velocity 25mm/s, and condensation hydraulic pressure control is in 0.5MPa in crystallizer, and crystallisation by cooling to obtain the final product.
The advantage of the invention is that：Present invention process can be suitably used for all types of brass tube horizontal casting rollings, technique
In to endangering impurity element（Bi, Pb, Sb, Si, Sn etc.）Content is controlled, and is added to rare earth alloy in melting, is had
Conducive to the refinement of crystal grain, processing performance is promoted, is conducive to the production of rolling, promotes lumber recovery；The present invention carries out technological parameter
Optimization, the brass tube prepared using the production of present invention process parameter, outer diameter and wall thickness deviation are small, and precision is high, and mechanical performance is strong；
Removing oxide layer is gone using Centreless lathe, efficient, copper pipe outer round surface is high-quality, high yield rate；Pipe is not necessarily in preparation process
Annealing and pickling can roll, and simplify production procedure, reduce discharge of wastewater, improve production efficiency；It is cold using annular distance type
Pipe mill rolls, and product specification is various, dimensional accuracy higher.
Specific embodiment：
Embodiment 1
A kind of horizontal casting Rolling Production brass tube technique, the specific steps are：
The preparation of rare earth alloy：In mass ratio 55:3.5:1.8:1.3 weigh magnesium, gadolinium, yttrium, zinc powder, and powder is preheated to
180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace, under conditions of helium is protected, with the speed of 10 DEG C/min
Rate rises to 700 DEG C, after magnesium powder is completely dissolved, after keeping the temperature 10min, zinc powder is added, rises to 800 DEG C with the rate of 5 DEG C/min, stirs
It mixes, after zinc powder is completely dissolved, after keeping the temperature 5min, gadolinium powder, yttrium powder is added, keeps temperature-resistant, stirring waits for that gadolinium powder and yttrium powder are complete
It after fully dissolved, after keeping the temperature 25min, removes the gred, after static 30min, melt is imported into crystallizer, controls melt flow velocity 25mm/s, knot
For condensation hydraulic pressure control in 0.5MPa, crystallisation by cooling is spare up to rare earth alloy in brilliant device；
Melting：Casting furnace is warming up to 150 DEG C, keeps the temperature 1h, then 810 DEG C are warming up to 5 DEG C/min rates, it, will after keeping the temperature 10min
Casting furnace melting 30min is added in cathode copper；920 DEG C are warming up to 5 DEG C/min rates again, after keeping the temperature 5min, copper-phosphorus alloy is added
Carry out deoxidation removal of impurities, melting 50min；990 DEG C are risen to 5 DEG C/min rates again, rare earth alloy, melting is added after keeping the temperature 5min
35min；1300 DEG C are risen to 5 DEG C/min rates again, after keeping the temperature 5min, zinc is added, melting 40min obtains melt, and molten in alloy
Liquid surface covers the oxygen barrier heat preservation of charcoal layer of 170mm thickness；Wherein, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, the quality point of phosphorus
Number accounts for 14%；Cathode copper, copper-phosphorus alloy, rare earth alloy, zinc mass ratio be 72:0.03:0.005:36；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 15mm/s, and condensation hydraulic pressure control is in 0.5MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 200mm/ are obtained
min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are gone into removing oxide layer, lathe input and output material speed through Centreless lathe vehicle face
1650mm/min, speed of mainshaft 520r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 880 DEG C with the rate of 3 DEG C/min, after keeping the temperature 5h, vacuum is kept
Degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repeatedly step back and pickling 3-4 times after, obtain finished product.
Embodiment 2
A kind of horizontal casting Rolling Production brass tube technique, the specific steps are：
The preparation of rare earth alloy：In mass ratio 55:3.5:1.8:1.3 weigh magnesium, gadolinium, yttrium, zinc powder, and powder is preheated to
180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace, under conditions of helium is protected, with the speed of 10 DEG C/min
Rate rises to 700 DEG C, after magnesium powder is completely dissolved, after keeping the temperature 10min, zinc powder is added, rises to 800 DEG C with the rate of 5 DEG C/min, stirs
It mixes, after zinc powder is completely dissolved, after keeping the temperature 5min, gadolinium powder, yttrium powder is added, keeps temperature-resistant, stirring waits for that gadolinium powder and yttrium powder are complete
It after fully dissolved, after keeping the temperature 25min, removes the gred, after static 30min, melt is imported into crystallizer, controls melt flow velocity 25mm/s, knot
For condensation hydraulic pressure control in 0.5MPa, crystallisation by cooling is spare up to rare earth alloy in brilliant device；
Melting：Casting furnace is warming up to 120 DEG C, keeps the temperature 1h, then 760 DEG C are warming up to 5 DEG C/min rates, it, will after keeping the temperature 10min
Casting furnace melting 45min is added in cathode copper；880 DEG C are warming up to 5 DEG C/min rates again, after keeping the temperature 5min, copper-phosphorus alloy is added
Carry out deoxidation removal of impurities, melting 30min；950 DEG C are risen to 5 DEG C/min rates again, rare earth alloy, melting is added after keeping the temperature 5min
45min；1250 DEG C are risen to 5 DEG C/min rates again, after keeping the temperature 5min, zinc is added, melting 25-40min obtains melt, and in alloy
Molten surface covers the oxygen barrier heat preservation of charcoal layer of 130mm thickness；Wherein, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, the quality of phosphorus
Score accounts for 14%；Cathode copper, copper-phosphorus alloy, rare earth alloy, zinc mass ratio be 63:0.05:0.003:25；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 10mm/s, and condensation hydraulic pressure control is in 0.2MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 225mm/ are obtained
min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are gone into removing oxide layer, lathe input and output material speed through Centreless lathe vehicle face
1800mm/min, speed of mainshaft 450r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 850 DEG C with the rate of 3 DEG C/min, after keeping the temperature 3h, vacuum is kept
Degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repeatedly step back and pickling 3-4 times after, obtain finished product.
Embodiment 3
A kind of horizontal casting Rolling Production brass tube technique, the specific steps are：
The preparation of rare earth alloy：In mass ratio 55:3.5:1.8:1.3 weigh magnesium, gadolinium, yttrium, zinc powder, and powder is preheated to
180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace, under conditions of helium is protected, with the speed of 10 DEG C/min
Rate rises to 700 DEG C, after magnesium powder is completely dissolved, after keeping the temperature 10min, zinc powder is added, rises to 800 DEG C with the rate of 5 DEG C/min, stirs
It mixes, after zinc powder is completely dissolved, after keeping the temperature 5min, gadolinium powder, yttrium powder is added, keeps temperature-resistant, stirring waits for that gadolinium powder and yttrium powder are complete
It after fully dissolved, after keeping the temperature 25min, removes the gred, after static 30min, melt is imported into crystallizer, controls melt flow velocity 25mm/s, knot
For condensation hydraulic pressure control in 0.5MPa, crystallisation by cooling is spare up to rare earth alloy in brilliant device；
Melting：Casting furnace is warming up to 140 DEG C, keeps the temperature 1h, then 790 DEG C are warming up to 5 DEG C/min rates, it, will after keeping the temperature 10min
Casting furnace melting 35min is added in cathode copper；900 DEG C are warming up to 5 DEG C/min rates again, after keeping the temperature 5min, copper-phosphorus alloy is added
Carry out deoxidation removal of impurities, melting 40min；975 DEG C are risen to 5 DEG C/min rates again, rare earth alloy, melting is added after keeping the temperature 5min
40min；1285 DEG C are risen to 5 DEG C/min rates again, after keeping the temperature 5min, zinc is added, melting 30min obtains melt, and molten in alloy
Liquid surface covers the oxygen barrier heat preservation of charcoal layer of 150mm thickness；Wherein, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, the quality point of phosphorus
Number accounts for 14%；Cathode copper, copper-phosphorus alloy, rare earth alloy, zinc mass ratio be 68:0.04:0.004:30；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 15mm/s, and condensation hydraulic pressure control is in 0.4MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 210mm/ are obtained
min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are gone into removing oxide layer, lathe input and output material speed through Centreless lathe vehicle face
1700mm/min, speed of mainshaft 500r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 865 DEG C with the rate of 3 DEG C/min, after keeping the temperature 3h, vacuum is kept
Degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repeatedly step back and pickling 3-4 times after, obtain finished product.
Embodiment 4
A kind of horizontal casting Rolling Production brass tube technique, the specific steps are：
Melting：Casting furnace is warming up to 135 DEG C, keeps the temperature 1h, then 800 DEG C are warming up to 5 DEG C/min rates, it, will after keeping the temperature 10min
Casting furnace melting 35min is added in cathode copper；900 DEG C are warming up to 5 DEG C/min rates again, after keeping the temperature 5min, copper-phosphorus alloy is added
Carry out deoxidation removal of impurities, melting 35min；960 DEG C are risen to 5 DEG C/min rates again, after keeping the temperature 45min；Again with 5 DEG C/min rate liters
To 1280 DEG C, after keeping the temperature 5min, zinc is added, melting 25min obtains melt, and covers the charcoal of 140mm thickness on alloy molten solution surface
The oxygen barrier heat preservation of layer；Wherein, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, and the mass fraction of phosphorus accounts for 14%；Cathode copper, copper phosphorus close
Gold, rare earth alloy, zinc mass ratio be 66:0.03:0.004:32；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 15mm/s, and condensation hydraulic pressure control is in 0.3MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 215mm/ are obtained
min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are gone into removing oxide layer, lathe input and output material speed through Centreless lathe vehicle face
1750mm/min, speed of mainshaft 515r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 865 DEG C with the rate of 3 DEG C/min, after keeping the temperature 4h, vacuum is kept
Degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repeatedly step back and pickling 3-4 times after, obtain finished product.
Embodiment 5
A kind of horizontal casting Rolling Production brass tube technique, the specific steps are：
The preparation of rare earth alloy：In mass ratio 55:3.5:1.8:1.3 weigh magnesium, gadolinium, yttrium, zinc powder, and powder is preheated to
180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace, under conditions of helium is protected, with the speed of 10 DEG C/min
Rate rises to 700 DEG C, after magnesium powder is completely dissolved, after keeping the temperature 10min, zinc powder is added, rises to 800 DEG C with the rate of 5 DEG C/min, stirs
It mixes, after zinc powder is completely dissolved, after keeping the temperature 5min, gadolinium powder, yttrium powder is added, keeps temperature-resistant, stirring waits for that gadolinium powder and yttrium powder are complete
It after fully dissolved, after keeping the temperature 25min, removes the gred, after static 30min, melt is imported into crystallizer, controls melt flow velocity 25mm/s, knot
For condensation hydraulic pressure control in 0.5MPa, crystallisation by cooling is spare up to rare earth alloy in brilliant device；
Melting：Casting furnace is warming up to 140 DEG C, keeps the temperature 1h, then 800 DEG C are warming up to 5 DEG C/min rates, it, will after keeping the temperature 10min
Casting furnace melting 35min is added in cathode copper；910 DEG C are warming up to 5 DEG C/min rates again, after keeping the temperature 5min, copper-phosphorus alloy is added
Carry out deoxidation removal of impurities, melting 40min；980 DEG C are risen to 5 DEG C/min rates again, rare earth alloy, melting is added after keeping the temperature 5min
40min；1270 DEG C are risen to 5 DEG C/min rates again, after keeping the temperature 5min, zinc is added, melting 30min obtains melt, and molten in alloy
Liquid surface covers the oxygen barrier heat preservation of charcoal layer of 150mm thickness；Wherein, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, the quality point of phosphorus
Number accounts for 14%；Cathode copper, copper-phosphorus alloy, rare earth alloy, zinc mass ratio be 63:0.03:0.006:25；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 15mm/s, and condensation hydraulic pressure control is in 0.4MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 220mm/ are obtained
min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are gone into removing oxide layer, lathe input and output material speed through Centreless lathe vehicle face
1700mm/min, speed of mainshaft 510r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 870 DEG C with the rate of 3 DEG C/min, after keeping the temperature 4h, vacuum is kept
Degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repeatedly step back and pickling 3-4 times after, obtain finished product.
Embodiment 6
The preparation of rare earth alloy：In mass ratio 55:3.5:1.8:1.3 weigh magnesium, gadolinium, yttrium, zinc powder, and powder is preheated to
180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace, under conditions of helium is protected, with the speed of 10 DEG C/min
Rate rises to 700 DEG C, after magnesium powder is completely dissolved, after keeping the temperature 10min, zinc powder is added, rises to 800 DEG C with the rate of 5 DEG C/min, stirs
It mixes, after zinc powder is completely dissolved, after keeping the temperature 5min, gadolinium powder, yttrium powder is added, keeps temperature-resistant, stirring waits for that gadolinium powder and yttrium powder are complete
It after fully dissolved, after keeping the temperature 25min, removes the gred, after static 30min, melt is imported into crystallizer, controls melt flow velocity 25mm/s, knot
For condensation hydraulic pressure control in 0.5MPa, crystallisation by cooling is spare up to rare earth alloy in brilliant device；
Melting：Casting furnace is warming up to 1300 DEG C, after keeping the temperature 1h, cathode copper, copper-phosphorus alloy, rare earth alloy, zinc are added successively
Smelting furnace, melting 40min obtains melt, and covers the oxygen barrier heat preservation of charcoal layer of 160mm thickness on alloy molten solution surface；Wherein, copper phosphorus
The mass fraction of copper accounts for 86% in alloy, and the mass fraction of phosphorus accounts for 14%；The mass ratio of cathode copper, copper-phosphorus alloy, rare earth alloy, zinc
It is 70:0.04:0.004:31；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 12mm/s, and condensation hydraulic pressure control is in 0.3MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 215mm/ are obtained
min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are gone into removing oxide layer, lathe input and output material speed through Centreless lathe vehicle face
1700mm/min, speed of mainshaft 490r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 870 DEG C with the rate of 3 DEG C/min, after keeping the temperature 3-5h, keep true
Reciprocal of duty cycle, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repetition step back and pickling 3-4 times after, obtain into
Product.
Embodiment 7
The preparation of rare earth alloy：In mass ratio 55:3.5:1.8:1.3 weigh magnesium, gadolinium, yttrium, zinc powder, and powder is preheated to
180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace, under conditions of helium is protected, with the speed of 10 DEG C/min
Rate rises to 700 DEG C, after magnesium powder is completely dissolved, after keeping the temperature 10min, zinc powder is added, rises to 800 DEG C with the rate of 5 DEG C/min, stirs
It mixes, after zinc powder is completely dissolved, after keeping the temperature 5min, gadolinium powder, yttrium powder is added, keeps temperature-resistant, stirring waits for that gadolinium powder and yttrium powder are complete
It after fully dissolved, after keeping the temperature 25min, removes the gred, after static 30min, melt is imported into crystallizer, controls melt flow velocity 25mm/s, knot
For condensation hydraulic pressure control in 0.5MPa, crystallisation by cooling is spare up to rare earth alloy in brilliant device；
Melting：Casting furnace is warming up to 140 DEG C, keeps the temperature 1h, then 800 DEG C are warming up to 5 DEG C/min rates, it, will after keeping the temperature 10min
Casting furnace melting 35min is added in cathode copper；910 DEG C are warming up to 5 DEG C/min rates again, after keeping the temperature 5min, copper-phosphorus alloy is added
Carry out deoxidation removal of impurities, melting 35min；970 DEG C are risen to 5 DEG C/min rates again, rare earth alloy, melting is added after keeping the temperature 5min
35min；1300 DEG C are risen to 5 DEG C/min rates again, after keeping the temperature 5min, zinc is added, melting 40min obtains melt, and molten in alloy
Liquid surface covers the oxygen barrier heat preservation of charcoal layer of 130mm thickness；Wherein, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, the quality point of phosphorus
Number accounts for 14%；Cathode copper, copper-phosphorus alloy, rare earth alloy, zinc mass ratio be 68:0.03:0.005:29；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 13mm/s, and condensation hydraulic pressure control is in 0.2MPa in crystallizer；
Continuous up-casting：After melt crystallization, continuously casting is pulled up by dragger, obtains brass pipe blanks, lead speed 130mm/
Min, above draw pitch be 1mm, above draw stop draw frequency be 130 beats/min, above draw temperature be 1150 DEG C；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are gone into removing oxide layer, lathe input and output material speed through Centreless lathe vehicle face
1750mm/min, speed of mainshaft 470r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 865 DEG C with the rate of 3 DEG C/min, after keeping the temperature 5h, vacuum is kept
Degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repeatedly step back and pickling 3-4 times after, obtain finished product.
Embodiment 8
The lumber recovery for recording embodiment 1-7, measures the finished product outer diameter and wall thickness deviation of its preparation, and is processed into standard examination
Sample, measures its tensile strength and elongation percentage, and data are as follows：
| Project | Lumber recovery | Outside diameter tolerance（mm） | Wall thickness deviation（mm） | Tensile strength（MPa） | Elongation percentage（%） |
| Embodiment 1 | 97.2% | 0.04 | 0.06 | 176.5 | 33.5 |
| Embodiment 2 | 96.5% | 0.05 | 0.06 | 172.3 | 31.2 |
| Embodiment 3 | 98.3% | 0.04 | 0.05 | 181.9 | 35.6 |
| Embodiment 4 | 84.4% | 0.06 | 0.07 | 122.6 | 22.7 |
| Embodiment 5 | 85.7% | 0.06 | 0.06 | 163.8 | 29.8 |
| Embodiment 6 | 77.1% | 0.07 | 0.09 | 154.3 | 19.4 |
| Embodiment 7 | 75.3% | 0.08 | 0.1 | 162.7 | 13.6 |
Above-mentioned data are analyzed it is found that embodiment 1-3 uses technique and parameter of the present invention, it is seen that its lumber recovery, precision,
Mechanical property is superior to other embodiment, and embodiment 3 is preferred plan；Embodiment 4 is not added with rare earth alloy, lumber recovery
And mechanical property is declined；The rare earth alloy amount that embodiment 5 is added is big, good mechanical properties, but lumber recovery declines obviously；
For embodiment 6 by the way of directly heating up, lumber recovery and mechanical properties decrease are apparent；Embodiment 7 uses top-guiding type continuous casting, each
Item index declines obviously；It can thus be concluded that going out, present invention process is added to rare earth alloy in melting, is conducive to the thin of crystal grain
Change, promote processing performance, be conducive to the production of rolling, promote lumber recovery, and technological parameter is optimized in the present invention, using this
Brass tube prepared by the production of invented technology parameter, outer diameter and wall thickness deviation are small, and precision is high, and mechanical performance is strong.
Claims (3)
1. a kind of horizontal casting Rolling Production brass tube technique, it is characterised in that：
The specific steps are：
Melting：Casting furnace is warming up to 120-150 DEG C, keeps the temperature 1h, then 760-810 DEG C is warming up to 5 DEG C/min rates, heat preservation
After 10min, casting furnace melting 30-45min is added in cathode copper；It is warming up to 880-920 DEG C with 5 DEG C/min rates again, heat preservation
After 5min, copper-phosphorus alloy is added and carries out deoxidation removal of impurities, melting 30-50min；950-990 DEG C is risen to 5 DEG C/min rates again, is protected
Rare earth alloy, melting 35-45min are added after warm 5min；1250-1300 DEG C is risen to 5 DEG C/min rates again, after keeping the temperature 5min,
Zinc is added, melting 25-40min obtains melt, and covers the oxygen barrier heat preservation of charcoal layer of 130-170mm thickness on alloy molten solution surface；Its
In, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, and the mass fraction of phosphorus accounts for 14%；Cathode copper, copper-phosphorus alloy, rare earth alloy, zinc
Mass ratio be 63-72:0.03-0.05:0.003-0.005:25-36；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 10-15mm/s, and condensation hydraulic pressure control is in 0.2-0.5MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 200- are obtained
225mm/min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are removed into removing oxide layer, lathe input and output material speed 1650- through Centreless lathe vehicle face
1800mm/min, speed of mainshaft 450-520r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 850-880 DEG C with the rate of 3 DEG C/min, after keeping the temperature 3-5h, protect
Hold vacuum degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repetition step back and pickling 3-4 times after, obtain
Finished product.
2. a kind of horizontal casting Rolling Production brass tube technique according to claim 1, it is characterised in that：The rare earth closes
Gold is Mg-Gd-Y-Zn alloys, and preparation process is in mass ratio 55:3.5:1.8:1.3 weigh magnesium, gadolinium, yttrium, zinc powder, and by powder
End is preheated to 180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace, under conditions of helium is protected, with 10
DEG C/rate of min rises to 700 DEG C, after magnesium powder is completely dissolved, after keeping the temperature 10min, zinc powder is added, with the rate liter of 5 DEG C/min
To 800 DEG C, after keeping the temperature 5min, gadolinium powder, yttrium powder is added after zinc powder is completely dissolved in stirring, keeps temperature-resistant, and stirring waits for gadolinium
It after powder and yttrium powder are completely dissolved, after keeping the temperature 25min, removes the gred, after static 30min, melt is imported into crystallizer, controls melt flow velocity
25mm/s, the interior condensation hydraulic pressure control of crystallizer is in 0.5MPa, and crystallisation by cooling to obtain the final product.
3. a kind of horizontal casting Rolling Production brass tube technique according to claim 1, it is characterised in that：Specific steps
For：
The preparation of rare earth alloy：In mass ratio 55:3.5:1.8:1.3 weigh magnesium, gadolinium, yttrium, zinc powder, and powder is preheated to
180 DEG C, then magnesium powder is positioned over and is pre-heated in 100 DEG C of smelting furnace, under conditions of helium is protected, with the speed of 10 DEG C/min
Rate rises to 700 DEG C, after magnesium powder is completely dissolved, after keeping the temperature 10min, zinc powder is added, rises to 800 DEG C with the rate of 5 DEG C/min, stirs
It mixes, after zinc powder is completely dissolved, after keeping the temperature 5min, gadolinium powder, yttrium powder is added, keeps temperature-resistant, stirring waits for that gadolinium powder and yttrium powder are complete
It after fully dissolved, after keeping the temperature 25min, removes the gred, after static 30min, melt is imported into crystallizer, controls melt flow velocity 25mm/s, knot
For condensation hydraulic pressure control in 0.5MPa, crystallisation by cooling is spare up to rare earth alloy in brilliant device；
Melting：Casting furnace is warming up to 140 DEG C, keeps the temperature 1h, then 790 DEG C are warming up to 5 DEG C/min rates, it, will after keeping the temperature 10min
Casting furnace melting 35min is added in cathode copper；900 DEG C are warming up to 5 DEG C/min rates again, after keeping the temperature 5min, copper-phosphorus alloy is added
Carry out deoxidation removal of impurities, melting 40min；975 DEG C are risen to 5 DEG C/min rates again, rare earth alloy, melting is added after keeping the temperature 5min
40min；1285 DEG C are risen to 5 DEG C/min rates again, after keeping the temperature 5min, zinc is added, melting 30min obtains melt, and molten in alloy
Liquid surface covers the oxygen barrier heat preservation of charcoal layer of 150mm thickness；Wherein, the mass fraction of copper accounts for 86% in copper-phosphorus alloy, the quality point of phosphorus
Number accounts for 14%；Cathode copper, copper-phosphorus alloy, rare earth alloy, zinc mass ratio be 68:0.04:0.004:30；
Heat preservation cooling：Melt imports holding furnace by chute and keeps the temperature, and after sampling analysis ingredient qualification, cools down and ties into crystallizer
Crystalline substance controls melt flow velocity 15mm/s, and condensation hydraulic pressure control is in 0.4MPa in crystallizer；
Horizontal casting：After melt crystallization, by dragger horizontally tracting continuously casting, brass pipe blanks, casting speed 210mm/ are obtained
min；
Cutting：Brass pipe blanks by with dragger associated with integral type sawing machine cut, length accuracy control in 0-1cm；
Remove removing oxide layer：Brass pipe blanks after cutting are gone into removing oxide layer, lathe input and output material speed through Centreless lathe vehicle face
1700mm/min, speed of mainshaft 500r/min；
Tube rolling is annealed：By the brass pipe blanks for removing removing oxide layer using annular distance type cold pilger mill roll needed for specification base pipe, then
By base pipe under conditions of vacuum degree is 0.1MPa, after being heated to 865 DEG C with the rate of 3 DEG C/min, after keeping the temperature 3h, vacuum is kept
Degree, and after being cooled to 30 DEG C or less with the rate of 10 DEG C/min, pickling drying, repeatedly step back and pickling 3-4 times after, obtain finished product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238618A (en) * | 2019-06-26 | 2019-09-17 | 宁波金田铜业(集团)股份有限公司 | One kind is for continuous casting lead and yellow-collation copper bar material disk circle continuous production technology method |
| CN113337753A (en) * | 2021-05-27 | 2021-09-03 | 宁波金田铜业(集团)股份有限公司 | Method for preparing B-level copper ingot through horizontal continuous casting |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01108351A (en) * | 1987-10-20 | 1989-04-25 | Kobe Steel Ltd | Manufacture of mold for continuous casting |
| JPH01149934A (en) * | 1987-12-04 | 1989-06-13 | Kobe Steel Ltd | Heat-resistant continuous casting mold and its production |
| JP2001096337A (en) * | 1999-09-27 | 2001-04-10 | Mitsui Eng & Shipbuild Co Ltd | Method of manufacturing copper tube |
| CN1462814A (en) * | 2002-05-28 | 2003-12-24 | 中南大学 | Polycomponent wearable brass alloy and methods for forming tubular product |
| CN101670424A (en) * | 2009-09-10 | 2010-03-17 | 上虞市星星铜材有限公司 | Method for producing brass pipe blanks by upward continuous casting |
| CN102140584A (en) * | 2011-03-22 | 2011-08-03 | 富威科技（吴江）有限公司 | Method for deoxidizing copper solution |
| CN102260840A (en) * | 2011-07-26 | 2011-11-30 | 北京科技大学 | Short-flow efficient production method for brass tubes |
| CN103695703A (en) * | 2013-12-18 | 2014-04-02 | 江西鸥迪铜业有限公司 | Process method for preparing brass tube for bathroom by using horizontal continuous casting method |
| CN104630554A (en) * | 2015-02-06 | 2015-05-20 | 苏州富瑞合金科技股份有限公司 | Preparation method of straight tin brass tube for oil pump |
| CN104862523A (en) * | 2015-06-01 | 2015-08-26 | 江苏金源腾峰换热设备有限公司 | Treatment process of copper pipe for double-metal air cooler |
| CN107309293A (en) * | 2017-06-23 | 2017-11-03 | 浙江飞达铜材有限公司 | A kind of brass pipe manufacturing process |
-
2018
- 2018-03-23 CN CN201810243128.9A patent/CN108405820B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01108351A (en) * | 1987-10-20 | 1989-04-25 | Kobe Steel Ltd | Manufacture of mold for continuous casting |
| JPH01149934A (en) * | 1987-12-04 | 1989-06-13 | Kobe Steel Ltd | Heat-resistant continuous casting mold and its production |
| JP2001096337A (en) * | 1999-09-27 | 2001-04-10 | Mitsui Eng & Shipbuild Co Ltd | Method of manufacturing copper tube |
| CN1462814A (en) * | 2002-05-28 | 2003-12-24 | 中南大学 | Polycomponent wearable brass alloy and methods for forming tubular product |
| CN101670424A (en) * | 2009-09-10 | 2010-03-17 | 上虞市星星铜材有限公司 | Method for producing brass pipe blanks by upward continuous casting |
| CN102140584A (en) * | 2011-03-22 | 2011-08-03 | 富威科技（吴江）有限公司 | Method for deoxidizing copper solution |
| CN102260840A (en) * | 2011-07-26 | 2011-11-30 | 北京科技大学 | Short-flow efficient production method for brass tubes |
| CN103695703A (en) * | 2013-12-18 | 2014-04-02 | 江西鸥迪铜业有限公司 | Process method for preparing brass tube for bathroom by using horizontal continuous casting method |
| CN104630554A (en) * | 2015-02-06 | 2015-05-20 | 苏州富瑞合金科技股份有限公司 | Preparation method of straight tin brass tube for oil pump |
| CN104862523A (en) * | 2015-06-01 | 2015-08-26 | 江苏金源腾峰换热设备有限公司 | Treatment process of copper pipe for double-metal air cooler |
| CN107309293A (en) * | 2017-06-23 | 2017-11-03 | 浙江飞达铜材有限公司 | A kind of brass pipe manufacturing process |
Non-Patent Citations (2)
| Title |
|---|
| 孟凡硕等: "稀土La微合金化纯铜组织性能研究", 《铜业工程》 * |
| 曾延琦等: "微合金化镧TP2铜管水平连铸工业化试验研究", 《铜业工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238618A (en) * | 2019-06-26 | 2019-09-17 | 宁波金田铜业(集团)股份有限公司 | One kind is for continuous casting lead and yellow-collation copper bar material disk circle continuous production technology method |
| CN113337753A (en) * | 2021-05-27 | 2021-09-03 | 宁波金田铜业(集团)股份有限公司 | Method for preparing B-level copper ingot through horizontal continuous casting |
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Denomination of invention: A horizontal continuous casting and rolling process for producing brass tubes Granted publication date: 20191126 Pledgee: Jiangxi Yiyang Rural Commercial Bank Co.,Ltd. Pledgor: Jiangxi Audy Brasswork Inc. Registration number: Y2024980011992 |