CN107267789A - A kind of preparation method of the effective brass alloys of air conditioner condensation - Google Patents
A kind of preparation method of the effective brass alloys of air conditioner condensation Download PDFInfo
- Publication number
- CN107267789A CN107267789A CN201710609656.7A CN201710609656A CN107267789A CN 107267789 A CN107267789 A CN 107267789A CN 201710609656 A CN201710609656 A CN 201710609656A CN 107267789 A CN107267789 A CN 107267789A
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- CN
- China
- Prior art keywords
- air conditioner
- brass alloys
- preparation
- conditioner condensation
- effective
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Abstract
The present invention relates to the preparation method in changes in temperature equipment manufacturing technology field, more particularly to a kind of effective brass alloys of air conditioner condensation.A kind of preparation method of the effective brass alloys of air conditioner condensation of the present invention, brass alloys high temperature oxidation resistance that is easy to operate, reproducible, preparing is good, thermal stability is good, it is especially suitable for making idle call condenser pipe, it is resistant to high temperature refrigerant and the continuous of low-temperature refrigerant is washed away, it will not be corroded by refrigerant, anti-wear performance and excellent in mechanical performance, the yields of production is high, cost is low, less energy consumption.The addition of neodymium, gadolinium, silicon is added in brass material, the intensity of brass material is improved.
Description
Technical field
The present invention relates to the preparation in changes in temperature equipment manufacturing technology field, more particularly to a kind of effective brass alloys of air conditioner condensation
Method.
Background technology
Condenser pipe material mostly uses copper material material, with the growth in changes in temperature condenser pipe market, the demand of copper material
Constantly increase.In order to meet the demand gradually increased, it is necessary to which the new copper material kind of active development, improves product quality and meet state
People's economic development, the high-precision copper material import of reduction, strengthen competitiveness in international market.The production technology stream of traditional copper material condenser pipe
Journey is complicated, energy consumption is big, yield rate is low, production cost is big, it is necessary to which a kind of technological process is easy, cost is low, energy consumption is small, high yield rate
Preparation technology.
The content of the invention
Goal of the invention：A kind of technique of present invention design is simple, low cost, high finished product rate, excellent in mechanical performance, corrosion resistant
The preparation method of the effective brass alloys of air conditioner condensation, to solve problems of the prior art.
The content of the invention：A kind of preparation method of the effective brass alloys of air conditioner condensation, comprises the following steps：
（1）Get the raw materials ready：Manufacture the effective brass alloys of air conditioner condensation, wherein copper 68.0-70.0wt%, silicon 3.8-4.0wt%, aluminium 2.0-
5.0wt%, phosphorus 2.0-2.5wt%, cadmium 0.03-0.04wt%, iron 0.03-0.04wt%, tin 0.04-0.06wt%, selenium 0.2-
0.4wt%, cobalt 0.1-0.3wt%, vanadium 0.2-0.4wt%, zirconium 0.1-0.2wt%, tantalum 0.1-0.12wt%, manganese 0.06-0.08wt%, neodymium
0.01-0.03wt%, gadolinium 0.01-0.03wt%, surplus are zinc and impurity, and the wherein content of impurity is no more than 0.3wt%, standby；
（2）Pipe is cast：By step（1）Brass material add foundry furnace in carry out be continuously cast into pipe, casting temperature is
1100-1200 DEG C, soaking time 25-35min；
（3）Hot extrusion：Recipient is first preheated to 450-480 DEG C before extruding, die sleeve, mould, core rod and die-cushion block are preheated to
350-380 DEG C, then at a temperature of 780-800 DEG C, by step（2）In obtained pipe be squeezed into needed for specification extruded rod；
（4）It is cold rolling：Rolled using high-power cold-rolling mill, every time working modulus is 25-45%, and uncoiling tension is 4-5kg/
mm2；
（5）Process annealing：By step（4）Progress process annealing processing in annealing furnace is put into after cold-rolling treatment, annealing temperature is
250-300 DEG C, soaking time is 1.5-2h.
Preferably, the step（1）Middle brass alloys, wherein copper 68.0-70.0wt%, silicon 3.8-3.9wt%, aluminium 3.0-
4.0wt%, phosphorus 2.2-2.4wt%, cadmium 0.03-0.04wt%, iron 0.03-0.04wt%, tin 0.04-0.05wt%, selenium 0.23-
0.27wt%, cobalt 0.22-0.28wt%, vanadium 0.23-0.27wt%, zirconium 0.12-0.18wt%, tantalum 0.11-0.12wt%, manganese 0.07-
0.08wt%, neodymium 0.02-0.03wt%, gadolinium 0.01-0.03wt%, surplus are zinc and impurity, and the content of wherein impurity is no more than
0.3wt%。
Preferably, the step（2）Middle casting temperature is 1130-1170 DEG C.
Preferably, described step（3）Middle recipient preheating temperature is 460-470 DEG C, die sleeve, mould, core rod and die-cushion
Block is preheated to 360-370 DEG C, in 790 DEG C of temperature extrusions.
Preferably, described step（4）In cold-rolling treatment when every time working modulus be 30-40%, uncoiling tension is 4.2-
4.8kg/mm2。
Preferably, described step（5）During middle process annealing processing, the gaseous mixture of nitrogen and hydrogen is filled with annealing furnace
Body.
Preferably, the mixed gas of nitrogen and hydrogen is 75% nitrogen and 25% hydrogen.
Preferably, 50 DEG C are cooled to annealing furnace after process annealing processing insulation to come out of the stove.
Compared to the prior art, the beneficial effects of the present invention are：A kind of effective brass alloys of air conditioner condensation of the present invention
Preparation method, it is easy to operate, reproducible, prepare brass alloys high temperature oxidation resistance is good, thermal stability is good, very
Be adapted to make idle call condenser pipe, be resistant to constantly washing away for high temperature refrigerant and low-temperature refrigerant, will not by refrigerant corruption
Erosion, anti-wear performance and excellent in mechanical performance, the yields of production are high, and cost is low, less energy consumption.Added in brass material neodymium, gadolinium,
The addition of silicon, improves the intensity of brass material.
Embodiment
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, letter will be made to embodiment below
Singly introduce, the embodiments described below is only the section Example of the present invention, for those of ordinary skill in the art,
The every other embodiment obtained on the premise of not paying creative work, belongs to protection scope of the present invention.
Embodiment 1
A kind of preparation method of the effective brass alloys of air conditioner condensation, comprises the following steps：
（1）Get the raw materials ready：Manufacture the effective brass alloys of air conditioner condensation, wherein copper 68.0wt%, silicon 3.8wt%, aluminium 2.0wt%, phosphorus
2.0wt%, cadmium 0.03wt%, iron 0.03wt%, tin 0.04wt%, selenium 0.2wt%, cobalt 0.1wt%, vanadium 0.2wt%, zirconium 0.1wt%, tantalum
0.1wt%, manganese 0.06wt%, neodymium 0.01wt%, gadolinium 0.01wt%, surplus are zinc and impurity, and the content of wherein impurity is no more than
0.3wt%, it is standby；
（2）Pipe is cast：By step（1）Brass material add foundry furnace in carry out be continuously cast into pipe, casting temperature is
1200 DEG C, soaking time 25min；
（3）Hot extrusion：Recipient is first preheated to 450 DEG C before extruding, die sleeve, mould, core rod and die-cushion block are preheated to 350 DEG C,
Then at a temperature of 780 DEG C, by step（2）In obtained pipe be squeezed into needed for specification extruded rod；
（4）It is cold rolling：Rolled using high-power cold-rolling mill, every time working modulus is 25%, and uncoiling tension is 4kg/mm2；
（5）Process annealing：By step（4）Progress process annealing processing in annealing furnace is put into after cold-rolling treatment, annealing temperature is
250 DEG C, soaking time is 2h.
Described step（5）During middle process annealing processing, the mixed gas of nitrogen and hydrogen is filled with annealing furnace.
The mixed gas of nitrogen and hydrogen is 75% nitrogen and 25% hydrogen.
50 DEG C are cooled to after process annealing processing insulation with annealing furnace to come out of the stove.
Embodiment 2
A kind of preparation method of the effective brass alloys of air conditioner condensation, comprises the following steps：
（1）Get the raw materials ready：Manufacture the effective brass alloys of air conditioner condensation, wherein copper 70.0wt%, silicon 3.9wt%, aluminium 4.0wt%, phosphorus
2.4wt%, cadmium 0.04wt%, iron 0.04wt%, tin 0.05wt%, selenium 0.27wt%, cobalt 0.28wt%, vanadium 0.27wt%, zirconium 0.18wt%,
Tantalum 0.12wt%, manganese 0.08wt%, neodymium 0.03wt%, gadolinium 0.03wt%, surplus are zinc and impurity, and the content of wherein impurity is no more than
0.3wt%, it is standby；
（2）Pipe is cast：By step（1）Brass material add foundry furnace in carry out be continuously cast into pipe, casting temperature is
1100 DEG C, soaking time 35min；
（3）Hot extrusion：Recipient is first preheated to 480 DEG C before extruding, die sleeve, mould, core rod and die-cushion block are preheated to 380 DEG C,
Then at a temperature of 800 DEG C, by step（2）In obtained pipe be squeezed into needed for specification extruded rod；
（4）It is cold rolling：Rolled using high-power cold-rolling mill, every time working modulus is 45%, uncoiling tension 5kg/mm2；
（5）Process annealing：By step（4）Progress process annealing processing in annealing furnace is put into after cold-rolling treatment, annealing temperature is
300 DEG C, soaking time is 1.5h.
Described step（5）During middle process annealing processing, the mixed gas of nitrogen and hydrogen is filled with annealing furnace.
The mixed gas of nitrogen and hydrogen is 75% nitrogen and 25% hydrogen.
50 DEG C are cooled to after process annealing processing insulation with annealing furnace to come out of the stove.
Embodiment 3
A kind of preparation method of the effective brass alloys of air conditioner condensation, comprises the following steps：
（1）Get the raw materials ready：Manufacture the effective brass alloys of air conditioner condensation, wherein copper 69.0wt%, silicon 3.8wt%, aluminium 3.5wt%, phosphorus
2.3wt%, cadmium 0.03wt%, iron 0.03wt%, tin 0.04wt%, selenium 0.25wt%, cobalt 0.25wt%, vanadium 0.25wt%, zirconium 0.15wt%,
Tantalum 0.11wt%, manganese 0.07wt%, neodymium 0.02wt%, gadolinium 0.02wt%, surplus are zinc and impurity, and the content of wherein impurity is no more than
0.3wt%, it is standby；
（2）Pipe is cast：By step（1）Brass material add foundry furnace in carry out be continuously cast into pipe, casting temperature is
1150 DEG C, soaking time 30min；
（3）Hot extrusion：Recipient is first preheated to 465 DEG C before extruding, die sleeve, mould, core rod and die-cushion block are preheated to 365 DEG C,
Then at a temperature of 790 DEG C, by step（2）In obtained pipe be squeezed into needed for specification extruded rod；
（4）It is cold rolling：Rolled using high-power cold-rolling mill, every time working modulus is 35%, and uncoiling tension is 4.5kg/mm2；
（5）Process annealing：By step（4）Progress process annealing processing in annealing furnace is put into after cold-rolling treatment, annealing temperature is
275 DEG C, soaking time is 1.8h.
Described step（5）During middle process annealing processing, the mixed gas of nitrogen and hydrogen is filled with annealing furnace.
The mixed gas of nitrogen and hydrogen is 75% nitrogen and 25% hydrogen.
50 DEG C are cooled to after process annealing processing insulation with annealing furnace to come out of the stove.
Above example is only to illustrate the preferred technical solution of the present invention, it is noted that for the general of the art
For logical technical staff, under the premise without departing from the principles of the invention, some improvement made or equivalent substitution are accordingly to be regarded as this
The protection domain of invention, should cover in scope of the presently claimed invention.
Claims (8)
1. a kind of preparation method of the effective brass alloys of air conditioner condensation, it is characterised in that comprise the following steps：（1）Get the raw materials ready：Manufacture
The effective brass alloys of air conditioner condensation, wherein copper 68.0-70.0wt%, silicon 3.8-4.0wt%, aluminium 2.0-5.0wt%, phosphorus 2.0-
2.5wt%, cadmium 0.03-0.04wt%, iron 0.03-0.04wt%, tin 0.04-0.06wt%, selenium 0.2-0.4wt%, cobalt 0.1-
0.3wt%, vanadium 0.2-0.4wt%, zirconium 0.1-0.2wt%, tantalum 0.1-0.12wt%, manganese 0.06-0.08wt%, neodymium 0.01-0.03wt%,
Gadolinium 0.01-0.03wt%, surplus are zinc and impurity, and the wherein content of impurity is no more than 0.3wt%, standby；
（2）Pipe is cast：By step（1）Brass material add foundry furnace in carry out be continuously cast into pipe, casting temperature is
1100-1200 DEG C, soaking time 25-35min；
（3）Hot extrusion：Recipient is first preheated to 450-480 DEG C before extruding, die sleeve, mould, core rod and die-cushion block are preheated to
350-380 DEG C, then at a temperature of 780-800 DEG C, by step（2）In obtained pipe be squeezed into needed for specification extruded rod；
（4）It is cold rolling：Rolled using high-power cold-rolling mill, every time working modulus is 25-45%, and uncoiling tension is 4-5kg/mm2；
（5）Process annealing：By step（4）Progress process annealing processing in annealing furnace is put into after cold-rolling treatment, annealing temperature is
250-300 DEG C, soaking time is 1.5-2h.
2. a kind of preparation method of the effective brass alloys of air conditioner condensation according to claim 1, it is characterised in that the step
Suddenly（1）Middle brass alloys, wherein copper 68.0-70.0wt%, silicon 3.8-3.9wt%, aluminium 3.0-4.0wt%, phosphorus 2.2-2.4wt%, cadmium
0.03-0.04wt%, iron 0.03-0.04wt%, tin 0.04-0.05wt%, selenium 0.23-0.27wt%, cobalt 0.22-0.28wt%, vanadium
0.23-0.27wt%, zirconium 0.12-0.18wt%, tantalum 0.11-0.12wt%, manganese 0.07-0.08wt%, neodymium 0.02-0.03wt%, gadolinium
0.01-0.03wt%, surplus are zinc and impurity, and the wherein content of impurity is no more than 0.3wt%.
3. a kind of preparation method of the effective brass alloys of air conditioner condensation according to claim 1, it is characterised in that the step
Suddenly（2）Middle casting temperature is 1130-1170 DEG C.
4. the preparation method of the effective brass alloys of a kind of air conditioner condensation according to claim 1, it is characterised in that described
Step（3）Middle recipient preheating temperature is 460-470 DEG C, and die sleeve, mould, core rod and die-cushion block are preheated to 360-370 DEG C,
790 DEG C of temperature extrusions.
5. a kind of a kind of preparation method of the effective brass alloys of air conditioner condensation according to claim 1, it is characterised in that institute
The step of stating（4）In cold-rolling treatment when every time working modulus be 30-40%, uncoiling tension is 4.2-4.8kg/mm2。
6. the preparation method of the effective brass alloys of a kind of air conditioner condensation according to claim 1, it is characterised in that described
Step（5）During middle process annealing processing, the mixed gas of nitrogen and hydrogen is filled with annealing furnace.
7. a kind of preparation method of the effective brass alloys of air conditioner condensation according to claim 6, it is characterised in that nitrogen and
The mixed gas of hydrogen is 75% nitrogen and 25% hydrogen.
8. the preparation method of the effective brass alloys of a kind of air conditioner condensation according to claim 1, it is characterised in that low temperature is moved back
50 DEG C are cooled to after fire processing insulation with annealing furnace to come out of the stove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609656.7A CN107267789A (en) | 2017-07-25 | 2017-07-25 | A kind of preparation method of the effective brass alloys of air conditioner condensation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710609656.7A CN107267789A (en) | 2017-07-25 | 2017-07-25 | A kind of preparation method of the effective brass alloys of air conditioner condensation |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57114632A (en) * | 1981-01-08 | 1982-07-16 | Kobe Steel Ltd | High-strength copper alloy with superior wear resistance |
| CN1462814A (en) * | 2002-05-28 | 2003-12-24 | 中南大学 | Polycomponent wearable brass alloy and methods for forming tubular product |
| CN101298643A (en) * | 2008-06-30 | 2008-11-05 | 中铝洛阳铜业有限公司 | Environment-protective free-cutting copper alloy material and processing technique |
| CN106011711A (en) * | 2016-06-13 | 2016-10-12 | 浙江三瑞铜业有限公司 | Preparing method of brass alloy |
-
2017
- 2017-07-25 CN CN201710609656.7A patent/CN107267789A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57114632A (en) * | 1981-01-08 | 1982-07-16 | Kobe Steel Ltd | High-strength copper alloy with superior wear resistance |
| CN1462814A (en) * | 2002-05-28 | 2003-12-24 | 中南大学 | Polycomponent wearable brass alloy and methods for forming tubular product |
| CN101298643A (en) * | 2008-06-30 | 2008-11-05 | 中铝洛阳铜业有限公司 | Environment-protective free-cutting copper alloy material and processing technique |
| CN106011711A (en) * | 2016-06-13 | 2016-10-12 | 浙江三瑞铜业有限公司 | Preparing method of brass alloy |
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Application publication date: 20171020 |
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