CN104561649B - A kind of production technology of high-strength copper nickel silicon alloy - Google Patents
A kind of production technology of high-strength copper nickel silicon alloy Download PDFInfo
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- CN104561649B CN104561649B CN201510063063.6A CN201510063063A CN104561649B CN 104561649 B CN104561649 B CN 104561649B CN 201510063063 A CN201510063063 A CN 201510063063A CN 104561649 B CN104561649 B CN 104561649B
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- 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
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C1/02—Making non-ferrous alloys by melting
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Abstract
The invention belongs to corson alloy technical field, be specifically related to a kind of high-strength copper nickel silicon alloy and production equipment thereof and production technology.Solve the technical problem that and be to provide the corson alloy of a kind of high intensity, high rigidity and high-wearing feature and production equipment thereof and production technology.A kind of high-strength copper nickel silicon alloy, comprises 12%～25%Ni, 3.1～3.5%Si etc.；A kind of multi-stage reacting kettle being exclusively used in production high-strength copper nickel silicon alloy, includes reactor, middle reactor, lower reactor, spiral discharging pipe；A kind of production technology of high-strength copper nickel silicon alloy, the step such as including heating, batch mixing and cooling.Having invented a kind of high-strength copper nickel silicon alloy and production equipment thereof, this device structure is simple, easy to maintenance；The corson alloy produced by the technique of the present invention, intensity is high, drastically increases intensity and the hardness of corson alloy, has high strength and high hardness and high-wearing feature concurrently, goes for more occasion.
Description
Technical field
The invention belongs to corson alloy technical field, be specifically related to a kind of high-strength copper nickel silicon alloy and production equipment thereof
And production technology.
Background technology
General corson alloy, containing 5%～30%Ni, 0.1%～3%Si, surplus is copper and other elements and impurity.
Nickel and silicon form Ni2Si compound, wherein nickel is 4 with the mass ratio of silicon.Ni2Si can be solid-solution in copper. in eutectic temperature (1025
DEG C) time maxima solubility be 9%, when temperature reduces, dissolubility reduces, when room temperature no better than zero.Alloy is at heat treatment
During, due to Ni2The precipitation of Si phase and strengthen, both there is the corrosion resistance of corronil, overcome again corronil fatigue strength
Low shortcoming.Alloy corrosion resistance in mixed salt medium is significantly higher than general copper-nickel alloy and packfong, thus by people's
Pay attention to.
Corson alloy is mainly used in making electric meter, the precision spring sheet of used in electronic industry, and anti-corrosion instrument
Meter Parts.
Existing corson alloy intensity is higher, but is intended to reach higher intensity, and has high rigidity and high abrasion concurrently
The corson alloy of property does not the most find, therefore, needs a kind of such alloy badly, so that it is applicable to more occasion.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention be to provide a kind of high intensity, high rigidity and high-wearing feature corson alloy and
It produces equipment and production technology.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides such a high-strength copper nickel silicon alloy and production equipment thereof
And production technology, specific as follows:
A kind of high-strength copper nickel silicon alloy, comprises 12%～25%Ni, 3.1～3.5%Si, 1.1～1.2%SiO2、
0.15%-0.2%Si3N4-SiC, 0.2～0.3%Fe, surplus is the alloy (the most by weight) of copper.
A kind of be exclusively used in produce high-strength copper nickel silicon alloy multi-stage reacting kettle, include reactor, middle reactor, under
Reactor, spiral discharging pipe, upper reactor is arranged on above middle reactor, and middle reactor is arranged on above lower reactor, spiral
Discharge nozzle is arranged on below lower reactor, is provided with air inlet pipe, charge pipe and suction nozzle on upper reactor, and suction nozzle is also connected with
Have vacuum pump, be fitted with drawing mechanism respectively in the bottom of upper reactor, middle reactor and lower reactor, at middle reactor and
The middle part of lower reactor is fitted with ultrasonic generator respectively, stuff-spraying pipe in being provided with on middle reactor, in lower reaction
Lower stuff-spraying pipe is installed on still.
1. drawing mechanism includes left cylinder, left fairlead, left heat insulation valve, right heat insulation valve, right fairlead, right cylinder, left
Fairlead and right fairlead are arranged on the kettle of reactor, and left heat insulation valve is arranged in left fairlead, and right heat insulation valve is arranged on
In right fairlead, left cylinder is connected with left heat insulation valve, and right cylinder is connected with right heat insulation valve.Left heat insulation valve and the profile of right heat insulation valve
For L-shaped.
The production technology of a kind of high-strength copper nickel silicon alloy, comprises the following steps:
A () is put into the copper of 69.8-83.45kg in upper reactor, be heated to 1090-1100 DEG C；
B () adds the 12～25kg nikel powders more than 300 mesh in step (a) adds the copper melt of heat fusing, stir 30-
45min, forms copper nickel mixed liquor；
C () is warming up to 1180-1200 DEG C the copper nickel mixed liquor formed in step (b), add more than 300 mesh 3.1～
The silica flour of 3.5 kg, stirs 0.5-1h, forms copper nisiloy mixed liquor；
D () is warming up to 1300-1350 DEG C again forming copper nisiloy mixed liquor in step (c), and by suction nozzle and vacuum
Reactor is inhaled vacuum by pump, is then filled with nitrogen by air inlet pipe in upper reactor, is forced into 1.1-1.2 atmospheric pressure, stirs
Mix 1-1.5h, make nikel powder and silica flour fully be solid-solution in copper melt, due to the existence of nitrogen, additionally it is possible to composite part silicon nitride,
Formed containing nickel, silicon, Ni2Si compound and the copper melt of silicon nitride；The greenhouse cooling in upper reactor to 1250-1280
DEG C, the pressure in upper reactor is dropped to 1 atmospheric pressure simultaneously；
E () is tiled respectively in the bottom of middle reactor and lower reactor the Fe (CO) containing 0.1～0.15kg ferrum5(carbonyl
Iron powder, carbonyl iron dust granule is more than 300 mesh)；
F () opens the drawing mechanism of reactor, the copper mixed molten liquid discharging in upper reactor in middle reactor,
While discharging, face the copper mixed molten liquid of outflow by middle stuff-spraying pipe and spray into the SiO of 1.1～1.2kg continuously2Powder (SiO2?
Grain is more than 300 mesh)；Owing to containing the Fe (CO) of 0.1～0.15kg ferrum in the tiling of the bottom of middle reactor5, Fe (CO)5Run into
The high temperature copper melt that reactor flows out is decomposed into blunt iron powder and gas, and gas rises effusion in copper melt, has simultaneously worked as one
Fixed stirring action, makes blunt iron powder be mixed in copper melt, is then turned on the ultrasonic generator on middle reactor, and centering is reacted
Copper melt in still carries out ultrasonic mixing, and the frequency of ultrasonic generator is 25-26kHz, persistent period 0.5-1h, and protects
The temperature holding the copper melt in reactor is in 1150-1180 DEG C；
G () opens the drawing mechanism of middle reactor, in the copper mixed molten liquid discharging in middle reactor to lower reactor,
While discharging, face the copper mixed molten liquid of outflow by lower stuff-spraying pipe and spray into the Si of 0.15-0.2kg3N4-SiC powder
(Si3N4-SiC particulate is more than 300 mesh)；
Owing to containing the Fe (CO) of 0.1～0.15kg ferrum in the tiling of the bottom of lower reactor5, Fe (CO)5Run into middle reactor
The high temperature copper melt flowed out is decomposed into blunt iron powder and gas, and gas rises effusion in copper melt, has simultaneously worked as certain stirring
Mix effect, make blunt iron powder be mixed in copper melt, be then turned on the ultrasonic generator on lower reactor, in lower reactor
Copper melt carries out ultrasonic mixing, and the frequency of ultrasonic generator is 25-26kHz, persistent period 20-30min, and in holding
The temperature of the copper melt in reactor is in 1150-1180 DEG C；
H () opens the drawing mechanism of lower reactor, the molten alloyed copper of mix homogeneously is gone out by spiral discharging bank of tubes, enters
The cooling process that row is follow-up, until being down to room temperature, owing to employing spiral discharging pipe, reduces the speed of discharging, contributes to protecting
Hold the uniformity of molten alloyed copper.
(3) beneficial effect
Having invented a kind of high-strength copper nickel silicon alloy and production equipment thereof, this device structure is simple, easy to maintenance, by relatively
Produce the high-strength copper nickel silicon alloy product of the present invention expeditiously, it is adaptable to industrialized production；Technique system by the present invention
The corson alloy produced, intensity is high, and owing to uniform solid solution has Ni, Si, SiO2、Ni2Si compound, silicon nitride, Si3N4-
SiC, Fe, drastically increase intensity and the hardness of corson alloy, the most also solid solution part ferrum so that it is has more pliable and tough
Property, have high strength and high hardness and high-wearing feature concurrently, go for more occasion.
Accompanying drawing explanation
Fig. 1 is the structural representation being exclusively used in and producing high-strength copper nickel silicon alloy reaction unit；
Fig. 2 is the working state structure schematic diagram being exclusively used in and producing high-strength copper nickel silicon alloy reaction unit.
The upper reactor of being labeled as in accompanying drawing: 1-, reactor in 2-, reactor under 3-, 4-spiral discharging pipe, 5-air inlet
Pipe, 6-suction nozzle, 7-vacuum pump, 8-charge pipe, the left cylinder of 9-, the left fairlead of 10-, the left heat insulation valve of 11-, the right heat insulation valve of 12-,
The right fairlead of 13-, the right cylinder of 14-, 15-ultrasonic generator, stuff-spraying pipe in 16-, stuff-spraying pipe under 17-.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of high-strength copper nickel silicon alloy, comprises 12%～25%Ni, 3.1～3.5%Si, 1.1～1.2%SiO2、
0.15%-0.2%Si3N4-SiC, 0.2～0.3%Fe, surplus is the alloy (the most by weight) of copper.
Embodiment 2
A kind of multi-stage reacting kettle being exclusively used in production high-strength copper nickel silicon alloy, as depicted in figs. 1 and 2, includes instead
Still 1, middle reactor 2, lower reactor 3, spiral discharging pipe 4, upper reactor 1 is answered to be arranged on above middle reactor 2, middle reactor 2
Being arranged on above lower reactor 3, spiral discharging pipe 4 is arranged on below lower reactor 3, is provided with air inlet pipe on upper reactor 1
5, charge pipe 8 and suction nozzle 6, suction nozzle 6 is also associated with vacuum pump 7, at upper reactor 1, middle reactor 2 and lower reactor 3
Bottom is fitted with drawing mechanism respectively, is fitted with ultrasound wave respectively at the middle part of middle reactor 2 and lower reactor 3 and fills
Put 15, stuff-spraying pipe 16 in being provided with on middle reactor 2, lower reactor 3 is provided with lower stuff-spraying pipe 17.
In employing, reactor 1, middle reactor 2, this structure of lower reactor 3, can agree with high-strength copper nisiloy effectively
The production technology of alloy, improving production efficiency.
The powder granule that middle stuff-spraying pipe 16 and lower stuff-spraying pipe 17 can be sparged into is better mixing in molten metal.
Drawing mechanism include left cylinder 9, left fairlead 10, right fairlead 13, right cylinder 14, left fairlead 10 and the right side
Fairlead 13 is arranged on the kettle of reactor, and left heat insulation valve 11 is arranged in left fairlead 10, and right heat insulation valve 12 is arranged on the right side
In fairlead 13, left cylinder 9 is connected with left heat insulation valve 11, and right cylinder 14 is connected with right heat insulation valve 12.
Left heat insulation valve 11 and right heat insulation valve 12 be shaped as L-shaped, the impact of high temperature solution can be reasonably resistant to, raising makes
Use the life-span.
Use this discharge method, can raising efficiency effectively.
Embodiment 3
The production technology of a kind of high-strength copper nickel silicon alloy, comprises the following steps:
A () is put into the copper of 69.8-83.45kg in upper reactor 1, be heated to 1090-1100 DEG C；
B () adds the 12～25kg nikel powders more than 300 mesh in step (a) adds the copper melt of heat fusing, stir 30-
45min, forms copper nickel mixed liquor；
C () is warming up to 1180-1200 DEG C the copper nickel mixed liquor formed in step (b), add more than 300 mesh 3.1～
The silica flour of 3.5 kg, stirs 0.5-1h, forms copper nisiloy mixed liquor；
D () is warming up to 1300-1350 DEG C again forming copper nisiloy mixed liquor in step (c), and by suction nozzle 6 and vacuum
Reactor is inhaled vacuum by pump 7, is then filled with nitrogen by air inlet pipe 5 in upper reactor 1, is forced into 1.1-1.2 atmospheric pressure,
Stirring 1-1.5h, makes nikel powder and silica flour fully be solid-solution in copper melt, due to the existence of nitrogen, additionally it is possible to composite part nitrogenizes
Silicon, is formed containing nickel, silicon, Ni2Si compound and the copper melt of silicon nitride；The greenhouse cooling in upper reactor 1 to 1250-
1280 DEG C, the pressure in upper reactor 1 is dropped to 1 atmospheric pressure simultaneously；
E () is tiled respectively in the bottom of middle reactor 2 and lower reactor 3 Fe (CO) containing 0.1～0.15kg ferrum5(carbonyl
Base iron powder, carbonyl iron dust granule is more than 300 mesh)；
F () opens the drawing mechanism of reactor 1, the copper mixed molten liquid discharging in upper reactor 1 to middle reactor 2
In, while discharging, face the copper mixed molten liquid of outflow by middle stuff-spraying pipe 16 and spray into the SiO of 1.1～1.2kg continuously2
Powder (SiO2Granule is more than 300 mesh)；Owing to containing the Fe (CO) of 0.1～0.15kg ferrum in the tiling of the bottom of middle reactor 25, Fe
(CO)5The high temperature copper melt running into reactor 1 outflow is decomposed into blunt iron powder and gas, and gas rises effusion in copper melt,
Having simultaneously worked as certain stirring action, made blunt iron powder be mixed in copper melt, the ultrasound wave being then turned on middle reactor 2 occurs
Device 15, the copper melt in centering reactor 2 carries out ultrasonic mixing, and the frequency of ultrasonic generator 15 is 25-26kHz, holds
Continuous time 0.5-1h, and in holding, the temperature of the copper melt in reactor 2 is in 1150-1180 DEG C；
G () opens the drawing mechanism of middle reactor 2, the copper mixed molten liquid discharging in middle reactor 2 to lower reactor 3
In, while discharging, face the copper mixed molten liquid of outflow by lower stuff-spraying pipe 17 and spray into the Si of 0.15-0.2kg3N4-SiC
Powder (Si3N4-SiC particulate is more than 300 mesh)；
Owing to containing the Fe (CO) of 0.1～0.15kg ferrum in the tiling of the bottom of lower reactor 35, Fe (CO)5Run into middle reaction
The high temperature copper melt that still 2 flows out is decomposed into blunt iron powder and gas, and gas rises effusion in copper melt, has simultaneously worked as certain
Stirring action, makes blunt iron powder be mixed in copper melt, is then turned on the ultrasonic generator 15 on lower reactor 3, to lower reaction
Copper melt in still 3 carries out ultrasonic mixing, and the frequency of ultrasonic generator 15 is 25-26kHz, persistent period 20-30min,
And the temperature of the copper melt in reactor 2 is in 1150-1180 DEG C in Bao Chiing；
H () opens the drawing mechanism of lower reactor 3, the molten alloyed copper of mix homogeneously is discharged by spiral discharging pipe 4,
Carry out follow-up cooling to process, until being down to room temperature, owing to employing spiral discharging pipe 4, reducing the speed of discharging, contributing to
Keep the uniformity of molten alloyed copper.
Using the corson alloy that process above produces, through detection, its tensile strength reaches 880～920MPa, hardness
Up to HRC65-67, has the highest wearability simultaneously.
Embodiment described above only have expressed the preferred embodiment of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to making some deformation, improve and substitute, these broadly fall into this
Bright protection domain.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (2)
1. one kind is exclusively used in the multi-stage reacting kettle producing high-strength copper nickel silicon alloy, it is characterised in that include reactor
(1), middle reactor (2), lower reactor (3), spiral discharging pipe (4), upper reactor (1) be arranged on middle reactor (2) top, in
Reactor (2) is arranged on lower reactor (3) top, and spiral discharging pipe (4) is arranged on lower reactor (3) lower section, at upper reactor
(1) being provided with air inlet pipe (5), charge pipe (8) and suction nozzle (6) on, suction nozzle (6) is also associated with vacuum pump (7), in upper reaction
The bottom of still (1), middle reactor (2) and lower reactor (3) is fitted with drawing mechanism respectively, middle reactor (2) and lower instead
The middle part answering still (3) is fitted with ultrasonic generator (15) respectively, is provided with middle stuff-spraying pipe on middle reactor (2)
(16), lower reactor (3) is provided with lower stuff-spraying pipe (17).
A kind of multi-stage reacting kettle being exclusively used in production high-strength copper nickel silicon alloy the most according to claim 1, its feature exists
In, drawing mechanism includes left cylinder (9), left fairlead (10), left heat insulation valve (11), right heat insulation valve (12), right fairlead
(13), right cylinder (14), left fairlead (10) and right fairlead (13) be arranged on the kettle of reactor, and left heat insulation valve (11) is pacified
Being contained in left fairlead (10), right heat insulation valve (12) is arranged in right fairlead (13), and left cylinder (9) is with left heat insulation valve (11) even
Connecing, right cylinder (14) is connected with right heat insulation valve (12)；The profile of left heat insulation valve (11) and right heat insulation valve (12) is L-shaped.
3. the multi-stage reacting kettle that a kind uses in any one of claim 1 or 2 produces the production work of high-strength copper nickel silicon alloy
Skill, it is characterised in that comprise the following steps:
A () is put into the copper of 69.8-83.45kg in upper reactor (1), be heated to 1090-1100 DEG C；
B () adds the 12～25kg nikel powders more than 300 mesh in step (a) adds the copper melt of heat fusing, stir 30-45min, shape
Become copper nickel mixed liquor；
C () is warming up to 1180-1200 DEG C the copper nickel mixed liquor formed in step (b), add 3.1～3.5 more than 300 mesh
The silica flour of kg, stirs 0.5-1h, forms copper nisiloy mixed liquor；
D () is warming up to 1300-1350 DEG C again forming copper nisiloy mixed liquor in step (c), and by suction nozzle (6) and vacuum pump
(7) reactor is inhaled vacuum, then in upper reactor (1), be filled with nitrogen by air inlet pipe (5), be forced into 1.1-1.2 greatly
Air pressure, stirs 1-1.5h, makes nikel powder and silica flour fully be solid-solution in copper melt；The greenhouse cooling in upper reactor (1) extremely
1250-1280 DEG C, the pressure in upper reactor (1) is dropped to 1 atmospheric pressure simultaneously；
E () is tiled respectively in the bottom of middle reactor (2) and lower reactor (3) Fe (CO) containing 0.1～0.15kg ferrum5；
F () opens the drawing mechanism of reactor (1), the copper mixed molten liquid discharging in upper reactor (1) to middle reactor (2)
In, while discharging, the copper mixed molten liquid being faced outflow by middle stuff-spraying pipe (16) sprays into 1.1～1.2kg continuously
SiO2Powder；The ultrasonic generator (15) being then turned on reactor (2), the copper melt in centering reactor (2) is carried out
Ultrasonic mixing, the frequency of ultrasonic generator (15) is 25-26kHz, persistent period 0.5-1h, and reactor in holding
(2) temperature of the copper melt in is in 1150-1180 DEG C；
G () opens the drawing mechanism of middle reactor (2), in copper mixed molten liquid discharging in reactor (2) to lower reactor (3)
In, while discharging, face the copper mixed molten liquid of outflow by lower stuff-spraying pipe (17) and spray into the Si of 0.15-0.2kg3N4-
SiC powder；
The ultrasonic generator (15) being then turned on lower reactor (3), carries out ultrasonic to the copper melt in lower reactor (3)
Mixing, the frequency of ultrasonic generator (15) is 25-26kHz, persistent period 20-30min, and reactor (2) in holding
The temperature of interior copper melt is in 1150-1180 DEG C；
H () opens the drawing mechanism of lower reactor (3), the molten alloyed copper of mix homogeneously is discharged by spiral discharging pipe (4),
Carry out follow-up cooling to process, until being down to room temperature.
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| CN201510063063.6A CN104561649B (en) | 2015-02-08 | 2015-02-08 | A kind of production technology of high-strength copper nickel silicon alloy |
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| CN111359515A (en) * | 2020-03-17 | 2020-07-03 | 东莞理工学院 | Device is disposed step by step to array high flux aluminum alloy melt composition |
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| JPH0959784A (en) * | 1995-08-23 | 1997-03-04 | Sumitomo Metal Ind Ltd | Seawater resistant material |
| JP5417366B2 (en) * | 2011-03-16 | 2014-02-12 | Ｊｘ日鉱日石金属株式会社 | Cu-Ni-Si alloy with excellent bending workability |
| CN103352139B (en) * | 2013-08-02 | 2015-04-08 | 贵州合润铝业高新科技发展有限公司 | Copper-nickel alloy |
| CN103643080A (en) * | 2013-12-25 | 2014-03-19 | 海门市江滨永久铜管有限公司 | High-strength, high-ductility and high-conductivity copper-nickel-silicon alloy bar and production method thereof |
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