CN105087863A - Method for preparing metal for drill bit - Google Patents
Method for preparing metal for drill bit Download PDFInfo
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- CN105087863A CN105087863A CN201510589277.7A CN201510589277A CN105087863A CN 105087863 A CN105087863 A CN 105087863A CN 201510589277 A CN201510589277 A CN 201510589277A CN 105087863 A CN105087863 A CN 105087863A
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- nano composite
- parts
- molten steel
- alloy
- metal
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 61
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 60
- 239000002114 nanocomposite Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 239000002893 slag Substances 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 238000007670 refining Methods 0.000 claims abstract description 9
- -1 by weight Chemical class 0.000 claims abstract description 5
- 238000010891 electric arc Methods 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 239000011574 phosphorus Substances 0.000 claims abstract description 5
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 5
- 239000011593 sulfur Substances 0.000 claims abstract description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 27
- 239000010949 copper Substances 0.000 claims description 23
- 238000005553 drilling Methods 0.000 claims description 17
- 239000011572 manganese Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910016347 CuSn Inorganic materials 0.000 claims description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 238000003723 Smelting Methods 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 238000005261 decarburization Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 244000309464 bull Species 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract 2
- 229910017566 Cu-Mn Inorganic materials 0.000 abstract 1
- 229910017755 Cu-Sn Inorganic materials 0.000 abstract 1
- 229910017871 Cu—Mn Inorganic materials 0.000 abstract 1
- 229910017927 Cu—Sn Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000009849 vacuum degassing Methods 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 description 7
- 238000001764 infiltration Methods 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 5
- 229910052718 tin Inorganic materials 0.000 description 4
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 2
- 229910001573 adamantine Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910003286 Ni-Mn Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001272 pressureless sintering Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention provides a method for preparing metal for a drill bit. The method comprises the following steps that low-sulfur and low-phosphorus clear steel scrap is melted, smelted, decarbonized and dephosphorized in an electric arc furnace, and metals including, by weight, 8-12 parts of Ni and 65-75 parts of Cu, is added into the treated steel scrap; the temperature of the dephosphorized and decarbonized molten steel is raised to 1650-1700 DEG C, the molten steel is poured into a ladle refining furnace, slag formation is performed to form rare and thin slag, then compound deoxidizer is added for preliminary deoxidation, and the use amount ratio of the compound deoxidizer to the molten steel is 4-5 kilograms/ton; 5-10 parts of Cu-Mn intermediate alloy and 6-13 parts of Cu-Sn intermediate alloy are added into the molten steel, and deoxidizing agents are added into the surface of steel slag; the molten steel is refilled with Si to be continuously smelted for 5-10 minutes; vacuum degassing treatment is performed, and the ladle is lifted for pouring; and a nano composite metal coating is manufactured. According to the method, the alloy for the drill is low in melting point and high in strength, and the cost is lowered.
Description
Technical field
The present invention relates to drilling rig technique field, particularly a kind of preparation method of high-strength metal of drill bit of drilling machine.
Background technology
The superhard PDC that petroleum drilling polycrystalline diamond stone flour combination (hereinafter referred to as PDC) drill edge adopts, there is stronger wear resistance, drilling efficiency is high, and bit life is long, is adapted to the use of the mine locating excavation works such as petroleum drilling, mining, coal mining.
Since 2003,13 well-known drill bit manufacturing companies such as U.S. Clayton Christensen company, Smith's drill bit company release in the world
novelpetroleum drilling PDC drill bit adopts casting tungsten carbide powder (hereinafter referred to as WC) to add immersing alloy pressureless sintering and makes.The work-ing life of drill bit, anti-shear ability, wear resisting property, all depend on the good and bad degree of immersing alloy performance.The immersing alloy great majority used at present are Cu-Ni-Mn alloy, and composition is Ni:30-40%, Mn:10-20%, Cu surplus.The cost of this alloy material is high, tensile strength is lower, poor fluidity, fusing point are higher, and its infiltration temperature is 1200 DEG C ~ 1210 DEG C.
CN91100132.8 discloses the low melting-point coper-manganese-zinc alloy as infiltration binder in matrix rock drill bit.It is a kind of manganese containing 5% to 65% weight of having an appointment, the zinc of less than 35% weight, and all the other are copper
novelinfiltration alloy, the manganese of this infiltration alloy preferably containing 20% weight, the zinc of 20% weight, all the other are copper.Although the infiltration temperature of this infiltration alloy decreases, mobility declines.Further, the Mn adding high-content just inevitably makes the coarse grains of its matrix alloy, again reduces intensity and the toughness of matrix alloy.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of drill bit of drilling machine metal fabrication methods, it comprises the following steps:
(1) clean for low-sulfur phosphorus steel scrap is melted smelting decarburization dephosphorization in electric arc furnace, and adds the metal of following weight part: 8 ~ 12 parts, Ni metal, 65 ~ 75 parts, Cu metal;
(2) liquid steel temperature after step (1) dephosphorization and decarburization rises to 1650 ~ 1700 DEG C and pours in ladle refining furnace, and after slag making forms thin slag, add composite deoxidant and carry out pre-deoxidation, composite deoxidant and molten steel amount ratio are 4 ~ 5 kgs/tonne;
(3) in molten steel, CuMn master alloy 5 ~ 10 parts is added, CuSn master alloy 6 ~ 13 parts, wherein CuMn master alloy consist of Cu: Mn: Ti=64.5 ~ 75.5%: 23 ~ 34%: 0.5 ~ 1.5%, CuSn master alloy consist of Cu: Sn: Cr=64.5 ~ 75.5%: 23 ~ 34%: 0.5 ~ 1.5%, and add reductor on slag surface, refining 1 ~ 1.5 hour at 1600 ~ 1650 DEG C, utilizes LF furnace bottom blown inert gas to stir simultaneously;
(4) in molten steel, add Si, continue smelting 5 ~ 10 minutes;
(5) Fruit storage, bull ladle is poured into a mould;
(6) first each nano composite material is made nano composite coating, then adopt flow coat method described nano composite coating is cast on the surface of described ferrous metal matrix, then drying, fire form described nano composite metal coated.
Preferably, the composite deoxidant described in described step (2) is the alloy containing manganese, aluminium, silicon; Wherein the content of manganese is 16 ~ 20%, and the content of silicon is 8 ~ 10%, and the content of aluminium is 8 ~ 10%, is all weight percentage.
Preferably, the coating that in described step (6), the nano composite metal coated nano composite material be made up of copper, nickel and zinc is prepared from, the mass percent of described each nano composite material is respectively: copper 30%-40%, nickel 10%-15%, zinc 50%-55%.
The present invention has following beneficial effect:
The nickel content of drill bit immersing alloy of the present invention reduces 10%, and thus the comparatively existing immersing alloy for petroleum drilling bit of material cost reduces 1 times;
Fusing point reduces: in alloy of the present invention, add low-melting Sn, Sn can significantly improve matrix alloy to adamantine wettability, and the Ni in Sn and matrix alloy forms sosoloid, the fusing point of alloy is made to be reduced to 1030 DEG C ~ 1050 DEG C, fusing point reduces 150 DEG C compared with existing immersing alloy for petroleum drilling bit, saves the energy;
With the addition of CuMn master alloy, CuSn master alloy in the present invention, this just can crystal grain thinning significantly, significantly improves the mechanical property of matrix alloy; The tensile strength of alloy of the present invention and shearing resistance improve 100 ~ 120mPa than existing drill bit immersing alloy; Add appropriate Mn in invention alloy, the mobility of alloy is improved greatly.
Certainly, implement arbitrary product of the present invention might not need to reach above-described all advantages simultaneously.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Embodiments provide a kind of drill bit of drilling machine metal fabrication methods, it comprises the following steps:
(1) clean for low-sulfur phosphorus steel scrap is melted smelting decarburization dephosphorization in electric arc furnace, and adds the metal of following weight part: 8 parts, Ni metal, 65 parts, Cu metal;
(2) liquid steel temperature after step (1) dephosphorization and decarburization rises to 1650 DEG C and pours in ladle refining furnace, and after slag making forms thin slag, add composite deoxidant and carry out pre-deoxidation, composite deoxidant and molten steel amount ratio are 4 kgs/tonne;
(3) in molten steel, CuMn master alloy 5 parts is added, CuSn master alloy 6 parts, wherein CuMn master alloy consist of Cu: Mn: Ti=64.5%: 23%: 0.5%, CuSn master alloy consist of Cu: Sn: Cr=64.5%: 23%: 0.5%, and add reductor on slag surface, refining 1 hour at 1600 DEG C, utilizes LF furnace bottom blown inert gas to stir simultaneously;
(4) in molten steel, add Si, continue smelting 5 minutes;
(5) Fruit storage, bull ladle is poured into a mould;
(6) first each nano composite material is made nano composite coating, then adopt flow coat method described nano composite coating is cast on the surface of described ferrous metal matrix, then drying, fire form described nano composite metal coated.
Composite deoxidant described in step described in the present embodiment (2) is the alloy containing manganese, aluminium, silicon; Wherein the content of manganese is 16%, and the content of silicon is 8%, and the content of aluminium is 8%, is all weight percentage.
The coating that in described step (6), the nano composite metal coated nano composite material be made up of copper, nickel and zinc is prepared from, the mass percent of described each nano composite material is respectively: copper 30%, nickel 10%, zinc 50%.
Embodiment two
Embodiments provide a kind of drill bit of drilling machine metal fabrication methods, it comprises the following steps:
(1) clean for low-sulfur phosphorus steel scrap is melted smelting decarburization dephosphorization in electric arc furnace, and adds the metal of following weight part: 12 parts, Ni metal, 75 parts, Cu metal;
(2) liquid steel temperature after step (1) dephosphorization and decarburization rises to 1700 DEG C and pours in ladle refining furnace, and after slag making forms thin slag, add composite deoxidant and carry out pre-deoxidation, composite deoxidant and molten steel amount ratio are 5 kgs/tonne;
(3) in molten steel, CuMn master alloy 10 parts is added, CuSn master alloy 13 parts, wherein CuMn master alloy consist of Cu: Mn: Ti=75.5%: 34%: 1.5%, CuSn master alloy consist of Cu: Sn: Cr=75.5%: 34%: 1.5%, and add reductor on slag surface, refining 1.5 hours at 1650 DEG C, utilizes LF furnace bottom blown inert gas to stir simultaneously;
(4) in molten steel, add Si, continue smelting 10 minutes;
(5) Fruit storage, bull ladle is poured into a mould;
(6) first each nano composite material is made nano composite coating, then adopt flow coat method described nano composite coating is cast on the surface of described ferrous metal matrix, then drying, fire form described nano composite metal coated.
Composite deoxidant described in described step (2) is the alloy containing manganese, aluminium, silicon; Wherein the content of manganese is 20%, and the content of silicon is 10%, and the content of aluminium is 10%, is all weight percentage.
The coating that in described step (6), the nano composite metal coated nano composite material be made up of copper, nickel and zinc is prepared from, the mass percent of described each nano composite material is respectively: copper 40%, nickel 15%, zinc 55%.
The nickel content of drill bit immersing alloy of the present invention reduces 10%, and thus the comparatively existing immersing alloy for petroleum drilling bit of material cost reduces 1 times;
Fusing point reduces: in alloy of the present invention, add low-melting Sn, Sn can significantly improve matrix alloy to adamantine wettability, and the Ni in Sn and matrix alloy forms sosoloid, the fusing point of alloy is made to be reduced to 1030 DEG C ~ 1050 DEG C, fusing point reduces 150 DEG C compared with existing immersing alloy for petroleum drilling bit, saves the energy;
With the addition of CuMn master alloy, CuSn master alloy in the present invention, this just can crystal grain thinning significantly, significantly improves the mechanical property of matrix alloy; The tensile strength of alloy of the present invention and shearing resistance improve 100 ~ 120mPa than existing drill bit immersing alloy; Add appropriate Mn in invention alloy, the mobility of alloy is improved greatly.
The disclosed preferred embodiment of the present invention just sets forth the present invention for helping above.Preferred embodiment does not have all details of detailed descriptionthe, does not limit the embodiment that this invention is only described yet.Obviously, according to the content of this specification sheets, can make many modifications and variations.This specification sheets is chosen and is specifically described these embodiments, is to explain principle of the present invention and practical application better, thus makes art technician understand well and to utilize the present invention.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (3)
1. a drill bit of drilling machine metal fabrication methods, is characterized in that, comprises the following steps:
(1) clean for low-sulfur phosphorus steel scrap is melted smelting decarburization dephosphorization in electric arc furnace, and adds the metal of following weight part: 8 ~ 12 parts, Ni metal, 65 ~ 75 parts, Cu metal;
(2) liquid steel temperature after step (1) dephosphorization and decarburization rises to 1650 ~ 1700 DEG C and pours in ladle refining furnace, and after slag making forms thin slag, add composite deoxidant and carry out pre-deoxidation, composite deoxidant and molten steel amount ratio are 4 ~ 5 kgs/tonne;
(3) in molten steel, CuMn master alloy 5 ~ 10 parts is added, CuSn master alloy 6 ~ 13 parts, wherein CuMn master alloy consist of Cu: Mn: Ti=64.5 ~ 75.5%: 23 ~ 34%: 0.5 ~ 1.5%, CuSn master alloy consist of Cu: Sn: Cr=64.5 ~ 75.5%: 23 ~ 34%: 0.5 ~ 1.5%, and add reductor on slag surface, refining 1 ~ 1.5 hour at 1600 ~ 1650 DEG C, utilizes LF furnace bottom blown inert gas to stir simultaneously;
(4) in molten steel, add Si, continue smelting 5 ~ 10 minutes;
(5) Fruit storage, bull ladle is poured into a mould;
(6) first each nano composite material is made nano composite coating, then adopt flow coat method described nano composite coating is cast on the surface of described ferrous metal matrix, then drying, fire form described nano composite metal coated.
2. drill bit of drilling machine metal fabrication methods as claimed in claim 1, it is characterized in that, the composite deoxidant described in described step (2) is the alloy containing manganese, aluminium, silicon; Wherein the content of manganese is 16 ~ 20%, and the content of silicon is 8 ~ 10%, and the content of aluminium is 8 ~ 10%, is all weight percentage.
3. drill bit of drilling machine metal fabrication methods as claimed in claim 1, it is characterized in that, the coating that in described step (6), the nano composite metal coated nano composite material be made up of copper, nickel and zinc is prepared from, the mass percent of described each nano composite material is respectively: copper 30%-40%, nickel 10%-15%, zinc 50%-55%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510589277.7A CN105087863A (en) | 2015-09-16 | 2015-09-16 | Method for preparing metal for drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510589277.7A CN105087863A (en) | 2015-09-16 | 2015-09-16 | Method for preparing metal for drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105087863A true CN105087863A (en) | 2015-11-25 |
Family
ID=54569186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510589277.7A Pending CN105087863A (en) | 2015-09-16 | 2015-09-16 | Method for preparing metal for drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105087863A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2114781A (en) * | 1934-12-11 | 1938-04-19 | Kanz Hans | Welding and brazing alloy |
| CN1055771A (en) * | 1990-01-05 | 1991-10-30 | 诺顿公司 | Low melting-point coper-manganese-zinc alloy as infiltration binder in the matrix rock drill bit |
| CN1068146A (en) * | 1992-06-29 | 1993-01-20 | 黄春林 | Multiple combined deoxidizing agent |
| CN1818104A (en) * | 2006-03-07 | 2006-08-16 | 天津市鑫辰有色金属科技开发有限公司 | Production of immersing alloy for petroleum drilling bit |
-
2015
- 2015-09-16 CN CN201510589277.7A patent/CN105087863A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2114781A (en) * | 1934-12-11 | 1938-04-19 | Kanz Hans | Welding and brazing alloy |
| CN1055771A (en) * | 1990-01-05 | 1991-10-30 | 诺顿公司 | Low melting-point coper-manganese-zinc alloy as infiltration binder in the matrix rock drill bit |
| CN1068146A (en) * | 1992-06-29 | 1993-01-20 | 黄春林 | Multiple combined deoxidizing agent |
| CN1818104A (en) * | 2006-03-07 | 2006-08-16 | 天津市鑫辰有色金属科技开发有限公司 | Production of immersing alloy for petroleum drilling bit |
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