CN105886806A - Smelting method of silicon phosphorus brass - Google Patents
Smelting method of silicon phosphorus brass Download PDFInfo
- Publication number
- CN105886806A CN105886806A CN201610331058.3A CN201610331058A CN105886806A CN 105886806 A CN105886806 A CN 105886806A CN 201610331058 A CN201610331058 A CN 201610331058A CN 105886806 A CN105886806 A CN 105886806A
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- copper material
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- 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
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- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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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
- C22C9/10—Alloys based on copper with silicon as the next major constituent
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Disclosed is a smelting method of silicon phosphorus brass. The method comprises following steps: a copper material and wood charcoal are added into a smelting furnace, and temperature rises, so that the copper material is completely smelted; when the copper material is completely smelted, silicon, zinc, chromium, vanadium, phosphorus and iodine are added; after the temperature reaches 1260 DEG C to 1410 DEG C, -80 DEG C nitrogen is blown into a furnace, and after the temperature is reduced to 810 DEG C to 900 DEG C, tin, holmium, neodymium, titanium, palladium, cerium, tellurium and aluminum are added into the furnace; after a furnace material is completely smelted, and the temperature reaches 1350 DEG C to 1500 DEG C, , an aggregated refining agent and a base material are added, molten copper is fully stirred, and then the temperature rises to 1700 DEG C; and after the temperature is reduced to 1100 DEG C to 1200 DEG C, high-purity nitrogen at the normal temperature is led into the furnace. According to the smelting method, components of zinc, silicon, phosphorus and the like are fully locked, through temperature reduction in the smelting process, a gold phase is distorted, hardness of a copper alloy is greatly improved, in the smelting process, nitrogen is blown in, it can be fully ensured that the silicon and the phosphorus are blended in a metal lattice, and meanwhile alloy components can be evenly mixed and matched with copper.
Description
Technical field
The present invention relates to nonferrous metallurgy casting field, be specifically related to the method for smelting of a kind of silicon phosphorus brass.
Background technology
During smelting copper alloy, founding cost is essentially from the oxidization burning loss of metal.One ton of Huang of melting
The burning loss of copper is 20kg, if the finished product rate of Copper fabrication is 50%, only melting operation is shared
Metal loss on goods per ton is 40kg (brass).Silicon phosphorus brass is to add silicon in brass to become with phosphorus
Point, the mechanical property of copper alloy can be improved, the most obtained more use.Traditional brass smelter
Skill, owing to metallic zinc fusing point is low, makes the volatilization of substantial amounts of metallic zinc, oxidation, slag making, causes gold during smelting
Belong to loss height, and brass silicon, the phosphorus loss after smelting is the biggest, it is difficult to reach intended smelting requirements.
Current silicon phosphorus brass alloys composition is few, it is difficult to meet the modernization development specific demand to brass.
Summary of the invention
The technical problem to be solved is to provide the method for smelting of a kind of silicon phosphorus brass, fully locks
Live the compositions such as zinc, silicon, phosphorus, and metallographic can be made to distort by cooling in smelting, be greatly improved copper and close
The hardness of gold, is blown into nitrogen in smelting and not only can fully ensure that silicon, phosphorus incorporate in metal lattice, simultaneously
Make the alloying component can mixed reorganization uniform with copper.
The technical problem to be solved realizes by the following technical solutions:
The method of smelting of a kind of silicon phosphorus brass, said method comprising the steps of:
(1) copper material and charcoal are joined in smelting furnace, then blow in stove with-20 DEG C of nitrogen, work as stove
Interior pressure reaches to stop blowing during 3-3.5MPa, closes oven door sealing pressurize 12-24 hour, is then turned on stove
Door bleeds off pressure, then is passed through inert gas in stove, heats up and makes copper material be completely melt；
(2) it is completely melt when copper material, after temperature reaches 1090-1190 DEG C, opens fire door, add 50-85kg/
The ton silicon of copper material, the zinc of 20-30kg/ ton copper material, the chromium of 10-20kg/ ton copper material, 10-20kg/ ton copper material
Vanadium, the phosphorus of 1-2kg/ ton copper material, the iodine of 1-2kg/ ton copper material, in stove, be passed through inert gas, heat up
Furnace charge is made to be completely melt；
(3) it is completely melt when furnace charge, after temperature reaches 1260-1410 DEG C, opens fire door, blow in stove
Enter-80 DEG C of nitrogen, after temperature drops to 810-900 DEG C, in stove add 5-10.5kg/ ton copper material tin,
The holmium of 0.5-0.8kg/ ton copper material, the neodymium of 0.5-0.8kg/ ton copper material, the titanium of 0.5-1kg/ ton copper material,
The palladium of 0.1-0.2kg/ ton copper material, the cerium of 0.3-0.5kg/ ton copper material, the tellurium of 0.3-0.5kg/ ton copper material,
The aluminium of 4-11kg/ ton copper material, is passed through inert gas in stove, heats up and makes furnace charge be completely melt；
(3) it is completely melt when furnace charge, after temperature reaches 1350-1500 DEG C, opens fire door, add 2-4kg/
The polymerization refining agent of ton copper material and the alkali material of 3-4kg/ ton copper material, be sufficiently stirred for copper liquid, then heat to
1700 DEG C, then in stove, it is blown into-80 DEG C of nitrogen, air blowing limit, limit is stirred；
(4) after temperature drops to 1100-1200 DEG C, drag for the slag on clean copper liquid surface, be more often passed through in stove
Temperature high pure nitrogen, when furnace pressure reaches 1-2MPa, pressurize 30 minutes, then bleed off pressure, bleed off pressure speed
For 0.2MPa/ minute, until normal pressure, then come out of the stove.
The polymerization refining agent used in step (3) consist of 20% borax, 20% odium stearate, 8% ammonium molybdate,
4% gallium oxide, 8% vermiculite, 30% calcinated argil, 10% fluorite.
The alkali material used in step (3) consist of 3% potassium chloride, 12% sodium dihydrogen phosphate, 5% carnallite,
40% sodium acid carbonate, 20% calcium hydroxide, 20% NaOH.
Any one in argon gas or neon of described inert gas.
The invention has the beneficial effects as follows: smelting furnace can be lowered the temperature by smelting process of the present invention in good time, thus fully
Pin the compositions such as zinc, silicon, phosphorus, and metallographic can be made to distort by cooling in smelting, be greatly improved copper
The hardness of alloy, and add diversified alloying element, can further enhance the hardness of copper alloy and resistance to
Corrosive nature, is blown into nitrogen in smelting and not only can fully ensure that silicon, phosphorus incorporate in metal lattice, simultaneously
Make alloying component can mixed reorganization uniform with copper, and low temperature nitrogen can strengthen the rising-heat contracting-cold of copper alloy
Performance, the thermal stress eliminated in brass alloys, the silicon phosphorus brass that smelting process of the present invention is smelted changes significantly
Mechanical property and the machining property of silicon phosphorus brass are apt to it.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, below in conjunction with specific embodiment, the present invention is expanded on further.
Embodiment 1
The method of smelting of a kind of silicon phosphorus brass, said method comprising the steps of:
(1) copper material and charcoal are joined in smelting furnace, then blow in stove with-20 DEG C of nitrogen, work as stove
Interior pressure reaches to stop blowing during 3-3.5MPa, closes oven door sealing pressurize 12-24 hour, is then turned on stove
Door bleeds off pressure, then is passed through inert gas in stove, heats up and makes copper material be completely melt；
(2) it is completely melt when copper material, after temperature reaches 1090-1190 DEG C, opens fire door, add 50-85kg/
The ton silicon of copper material, the zinc of 20-30kg/ ton copper material, the chromium of 10-20kg/ ton copper material, 10-20kg/ ton copper material
Vanadium, the phosphorus of 1-2kg/ ton copper material, the iodine of 1-2kg/ ton copper material, in stove, be passed through inert gas, heat up
Furnace charge is made to be completely melt；
(3) it is completely melt when furnace charge, after temperature reaches 1260-1410 DEG C, opens fire door, blow in stove
Enter-80 DEG C of nitrogen, after temperature drops to 810-900 DEG C, in stove add 5-10.5kg/ ton copper material tin,
The holmium of 0.5-0.8kg/ ton copper material, the neodymium of 0.5-0.8kg/ ton copper material, the titanium of 0.5-1kg/ ton copper material,
The palladium of 0.1-0.2kg/ ton copper material, the cerium of 0.3-0.5kg/ ton copper material, the tellurium of 0.3-0.5kg/ ton copper material,
The aluminium of 4-11kg/ ton copper material, is passed through inert gas in stove, heats up and makes furnace charge be completely melt；
(3) it is completely melt when furnace charge, after temperature reaches 1350-1500 DEG C, opens fire door, add 2-4kg/
The polymerization refining agent of ton copper material and the alkali material of 3-4kg/ ton copper material, be sufficiently stirred for copper liquid, then heat to
1700 DEG C, then in stove, it is blown into-80 DEG C of nitrogen, air blowing limit, limit is stirred；
(4) after temperature drops to 1100-1200 DEG C, drag for the slag on clean copper liquid surface, be more often passed through in stove
Temperature high pure nitrogen, when furnace pressure reaches 1-2MPa, pressurize 30 minutes, then bleed off pressure, bleed off pressure speed
For 0.2MPa/ minute, until normal pressure, then come out of the stove.
The polymerization refining agent used in step (3) consist of 20% borax, 20% odium stearate, 8% ammonium molybdate,
4% gallium oxide, 8% vermiculite, 30% calcinated argil, 10% fluorite.
The alkali material used in step (3) consist of 3% potassium chloride, 12% sodium dihydrogen phosphate, 5% carnallite,
40% sodium acid carbonate, 20% calcium hydroxide, 20% NaOH.
Any one in argon gas or neon of described inert gas.
The general principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
The principle that the present invention is simply described described in book, without departing from the spirit and scope of the present invention,
The present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model
In enclosing.Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. the method for smelting of a silicon phosphorus brass, it is characterised in that said method comprising the steps of:
(1) copper material and charcoal are joined in smelting furnace, then blow in stove with-20 DEG C of nitrogen, work as stove
Interior pressure reaches to stop blowing during 3-3.5MPa, closes oven door sealing pressurize 12-24 hour, is then turned on stove
Door bleeds off pressure, then is passed through inert gas in stove, heats up and makes copper material be completely melt；
(2) it is completely melt when copper material, after temperature reaches 1090-1190 DEG C, opens fire door, add 50-85kg/
The ton silicon of copper material, the zinc of 20-30kg/ ton copper material, the chromium of 10-20kg/ ton copper material, 10-20kg/ ton copper material
Vanadium, the phosphorus of 1-2kg/ ton copper material, the iodine of 1-2kg/ ton copper material, in stove, be passed through inert gas, heat up
Furnace charge is made to be completely melt；
(3) it is completely melt when furnace charge, after temperature reaches 1260-1410 DEG C, opens fire door, blow in stove
Enter-80 DEG C of nitrogen, after temperature drops to 810-900 DEG C, in stove add 5-10.5kg/ ton copper material tin,
The holmium of 0.5-0.8kg/ ton copper material, the neodymium of 0.5-0.8kg/ ton copper material, the titanium of 0.5-1kg/ ton copper material,
The palladium of 0.1-0.2kg/ ton copper material, the cerium of 0.3-0.5kg/ ton copper material, the tellurium of 0.3-0.5kg/ ton copper material,
The aluminium of 4-11kg/ ton copper material, is passed through inert gas in stove, heats up and makes furnace charge be completely melt；
(3) it is completely melt when furnace charge, after temperature reaches 1350-1500 DEG C, opens fire door, add 2-4kg/
The polymerization refining agent of ton copper material and the alkali material of 3-4kg/ ton copper material, be sufficiently stirred for copper liquid, then heat to
1700 DEG C, then in stove, it is blown into-80 DEG C of nitrogen, air blowing limit, limit is stirred；
(4) after temperature drops to 1100-1200 DEG C, drag for the slag on clean copper liquid surface, be more often passed through in stove
Temperature high pure nitrogen, when furnace pressure reaches 1-2MPa, pressurize 30 minutes, then bleed off pressure, bleed off pressure speed
For 0.2MPa/ minute, until normal pressure, then come out of the stove.
The method of smelting of a kind of silicon phosphorus brass the most as claimed in claim 1, it is characterised in that step (3)
The polymerization refining agent of middle use consist of 20% borax, 20% odium stearate, 8% ammonium molybdate, 4% gallium oxide,
8% vermiculite, 30% calcinated argil, 10% fluorite.
The method of smelting of a kind of silicon phosphorus brass the most as claimed in claim 1, it is characterised in that step (3)
The alkali material of middle use consist of 3% potassium chloride, 12% sodium dihydrogen phosphate, 5% carnallite, 40% sodium acid carbonate,
20% calcium hydroxide, 20% NaOH.
The method of smelting of a kind of silicon phosphorus brass the most as claimed in claim 1, it is characterised in that described lazy
Property any one in argon gas or neon of gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331058.3A CN105886806A (en) | 2016-05-17 | 2016-05-17 | Smelting method of silicon phosphorus brass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331058.3A CN105886806A (en) | 2016-05-17 | 2016-05-17 | Smelting method of silicon phosphorus brass |
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| Publication Number | Publication Date |
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| CN105886806A true CN105886806A (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610331058.3A Pending CN105886806A (en) | 2016-05-17 | 2016-05-17 | Smelting method of silicon phosphorus brass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022693A (en) * | 2017-05-03 | 2017-08-08 | 邱秘 | A kind of gravure Cu-Zn alloy powder preparation method |
| CN107245600A (en) * | 2017-06-07 | 2017-10-13 | 安徽师范大学 | A kind of tin phosphorus pltine and preparation method thereof |
| US11319613B2 (en) | 2020-08-18 | 2022-05-03 | Enviro Metals, LLC | Metal refinement |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925744A (en) * | 2012-10-25 | 2013-02-13 | 江西理工大学 | Leadless brass alloy and preparation method thereof |
| CN103173642A (en) * | 2011-12-23 | 2013-06-26 | 秦皇岛开发区美铝合金有限公司 | Refining agent for aluminum alloy in smelting process for automobile hub |
| CN104404291A (en) * | 2014-11-14 | 2015-03-11 | 宁波杭桥铜业有限公司 | Lead-free bismuth brass and making method thereof |
| CN104775042A (en) * | 2015-04-16 | 2015-07-15 | 新疆大学 | Low-metal-loss smelting method of copper alloy |
-
2016
- 2016-05-17 CN CN201610331058.3A patent/CN105886806A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173642A (en) * | 2011-12-23 | 2013-06-26 | 秦皇岛开发区美铝合金有限公司 | Refining agent for aluminum alloy in smelting process for automobile hub |
| CN102925744A (en) * | 2012-10-25 | 2013-02-13 | 江西理工大学 | Leadless brass alloy and preparation method thereof |
| CN104404291A (en) * | 2014-11-14 | 2015-03-11 | 宁波杭桥铜业有限公司 | Lead-free bismuth brass and making method thereof |
| CN104775042A (en) * | 2015-04-16 | 2015-07-15 | 新疆大学 | Low-metal-loss smelting method of copper alloy |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022693A (en) * | 2017-05-03 | 2017-08-08 | 邱秘 | A kind of gravure Cu-Zn alloy powder preparation method |
| CN107245600A (en) * | 2017-06-07 | 2017-10-13 | 安徽师范大学 | A kind of tin phosphorus pltine and preparation method thereof |
| CN107245600B (en) * | 2017-06-07 | 2018-11-20 | 安徽师范大学 | A kind of tin phosphorus pltine and preparation method thereof |
| US11319613B2 (en) | 2020-08-18 | 2022-05-03 | Enviro Metals, LLC | Metal refinement |
| US11578386B2 (en) | 2020-08-18 | 2023-02-14 | Enviro Metals, LLC | Metal refinement |
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Application publication date: 20160824 |