CN104975205A - Treatment process of aluminum alloy section for photovoltaic assembly support - Google Patents
Treatment process of aluminum alloy section for photovoltaic assembly support Download PDFInfo
- Publication number
- CN104975205A CN104975205A CN201510294575.3A CN201510294575A CN104975205A CN 104975205 A CN104975205 A CN 104975205A CN 201510294575 A CN201510294575 A CN 201510294575A CN 104975205 A CN104975205 A CN 104975205A
- Authority
- CN
- China
- Prior art keywords
- foundry goods
- aluminium alloy
- temperature
- zinc
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a treatment process of an aluminum alloy section for a photovoltaic assembly support. The treatment process comprises the steps that pure aluminum is completely smelted in a smelting furnace; a proper amount of C, Si, Mn, P, S, Ni, V and Ti are added to obtain alloy liquid; a rare earth element is added into the alloy liquid; a refining agent is added; degassing refining is conducted through argon; after an aluminum alloy prefabricated ingot is smelted, the aluminum alloy prefabricated ingot passes through a tundish and a flow guide pipe, a gas atomizing nozzle sprays atomizing gas to carry out spraying forming on the aluminum alloy liquid flowing out of the flow guide pipe, and the aluminum alloy liquid sediments on a receiving tray to be cast; the surface of the blank is cleaned with acetone after casting, and hydrogen filling treatment is completed; and finally, acid pickling, galvanization and passivation are conducted. The treatment process of the aluminum alloy section for the photovoltaic assembly support ensures precipitation of a second phase on a base body, effectively improves the intensity of the alloy, and greatly increases the grain refinement degree, thereby improving the comprehensive performance of the aluminum alloy. The treatment process has the advantages of being low in cost, durable and high in efficiency.
Description
Technical field
The present invention relates to the manufacturing technology field of photovoltaic apparatus, particularly a kind for the treatment of process of photovoltaic module support aluminium alloy extrusions.
Background technology
Along with the progress of expanding economy, society, people propose more and more higher requirement to the energy, searching new forms of energy become the urgent problem that current mankind faces, sun power is a kind of reproducible new forms of energy totally, more and more be subject to the favor of people, have in people's daily life and work and act on widely, one of them utilizes solar panels to be electric energy by solar energy converting exactly, solar panels generally need support to be supported on outdoor, and a kind of matrix mounting system has developed into the universal-type solar energy plate installation system being applicable to roof and outdoor open ground.
Current existing solar cell matrix support has two kinds of basic forms: a kind of is the dynamic structure of real-time tracing sun power, a kind of is the fixed sturcture of not varied angle, but these two kinds of structures all existing defects, because matrix support is all use under the environment exposed, the matrix support corrosion-resistant of current use, work-ing life is short, need often to change, add cost, too increase labour intensity, because researching and developing a kind of sun power matrix support that can overcome above defect becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind for the treatment of process of photovoltaic module support aluminium alloy extrusions.
In order to solve above technical problem, the invention provides a kind for the treatment of process of photovoltaic module support aluminium alloy extrusions, comprising following concrete steps:
in smelting furnace, fine aluminium is melted completely, temperature of fusion is 880 DEG C-850 DEG C, and furnace temperature rises to 910 DEG C-940 DEG C after being incubated 1-3h, and add appropriate C, Si, Mn, P, S, Ni, V, Ti, obtain aluminium alloy, comprise by mass percentage in aluminium alloy: C:3.3-4.2%, Si:0.2-3.6%, Mn:0.3-1.0%, P<0.1%, S<0.05%, Ni:0.2-3.0%, V:0.2-1.5%, Ti:0.04-0.6%, remaining is the impurity of Al and total amount <0.3%;
at 910 DEG C-940 DEG C, add rare earth element in aluminium alloy, the gross weight of rare earth element is the 0.20-0.25% of above-mentioned aluminium alloy, fully stirs and be incubated 1-3h after furnace charge all melts at 910 DEG C-940 DEG C; Above-mentioned alloy liquid is naturally cooled to alloy liquid temperature 850 DEG C-880 DEG C, and at 850 DEG C-880 DEG C, add refining agent refining slagging-off 5min-10min;
Alloy liquid temperature be down to 745-750 DEG C and be incubated 20min-30min, furnace temperature is down to 1130-1140 DEG C, adding refining agent, carrying out refinery by de-gassing 5min-10min with argon gas, the obtained prefabricated ingot of aluminium alloy;
In Rare Earth Elements, comprise following component by weight percentage: Gd:15-18%, Pr:3-5%, Dy:7-9%, Ac:12.5-12.8%, Nd:15-20%, Sm:11-13%, surplus is Er;
after prefabricated for above-mentioned aluminium alloy ingot fusing, through tundish, thrust-augmenting nozzle, eject atomizing gas by gas-atomizing nozzle and reaction-injection moulding is carried out to the aluminum alloy melt flowed out through thrust-augmenting nozzle, deposit in take-up reel and cast, atomizing gas is chosen as nitrogen, pressure 0.5-1.0MPa, alloy melt temperature 750 DEG C-900 DEG C, the temperature of tundish, thrust-augmenting nozzle 750 DEG C-900 DEG C, take-up reel adopts mechanism control system to ensure, and with the distance of gas-atomizing nozzle be 400-600mm, by hot extrusion deformation raising injection aluminium alloy density;
after casting, blank surface is with after acetone cleaning, being placed on tubular type puts in hydrogen stove, 10-3Pa is evacuated to by stove, 700 DEG C-800 DEG C will be warming up to again in stove, be incubated 15 minutes, be filled with the hydrogen of 0.1-0.3% by the weight percent of aluminium alloy strand, the flow being filled with hydrogen is 1L/min, insulation 2-4 hour, is then cooled to room temperature by the temperature in stove with the speed of 10 DEG C/min and completes and fill hydrogen process;
adopt chlorohydric acid pickling foundry goods, time 30-90 minute, cleans up foundry goods with clear water subsequently; With pH test paper test foundry goods, ensure that pH value is in the scope of 6-8; Foundry goods is all immersed in the plating assistant agent containing zinc chloride and ammonium chloride, until foundry goods does not emit bubble in plating assistant agent, hang out workpiece and evacuation plating assistant agent, the foundry goods of cleaning is immersed in zinc bath, makes foundry goods and fused zinc react the epithelium of generation one alloying;
after foundry goods hangs out zinc pond, first cool in atmosphere, and then put into water and cool, cooling pool water temp remains on 50-80 DEG C, the foundry goods after water-cooled, hangs in deactivation slot carry out Passivation Treatment with driving, passivating solution temperature is normal temperature, and passivation time is 20-60s, completes after polishing, trimming.
Technique effect: the treatment process of the photovoltaic module support aluminium alloy extrusions designed by the present invention ensure that the precipitation of second-phase at matrix, effectively put forward heavy alloyed intensity, increase substantially degree of grain refinement, improve plasticity, thus improve the over-all properties of aluminium alloy, meanwhile, it is low that this technique has cost, durable, the advantage that efficiency is high.
The technical scheme that the present invention limits further is:
Further, the treatment process of aforesaid photovoltaic module support aluminium alloy extrusions, comprises following concrete steps:
in smelting furnace, fine aluminium is melted completely, temperature of fusion is 860 DEG C, and furnace temperature rises to 910 DEG C after being incubated 2h, and add appropriate C, Si, Mn, P, S, Ni, V, Ti, obtain aluminium alloy, comprise by mass percentage in aluminium alloy: C:3.3-4.2%, Si:0.2-3.6%, Mn:0.3-1.0%, P<0.1%, S<0.05%, Ni:0.2-3.0%, V:0.2-1.5%, Ti:0.04-0.6%, remaining is the impurity of Al and total amount <0.3%;
at 920 DEG C, add rare earth element in aluminium alloy, the gross weight of rare earth element is 0.25% of above-mentioned aluminium alloy, fully stirs and be incubated 2h after furnace charge all melts at 920 DEG C; Above-mentioned alloy liquid is naturally cooled to alloy liquid temperature 850 DEG C, and at 850 DEG C, add refining agent refining slagging-off 6min;
Alloy liquid temperature be down to 750 DEG C and be incubated 25min, furnace temperature being down to 1135 DEG C, adding refining agent, carrying out refinery by de-gassing 5min with argon gas, the obtained prefabricated ingot of aluminium alloy;
In Rare Earth Elements, comprise following component by weight percentage: Gd:15-18%, Pr:3-5%, Dy:7-9%, Ac:12.5-12.8%, Nd:15-20%, Sm:11-13%, surplus is Er;
after prefabricated for above-mentioned aluminium alloy ingot fusing, through tundish, thrust-augmenting nozzle, eject atomizing gas by gas-atomizing nozzle and reaction-injection moulding is carried out to the aluminum alloy melt flowed out through thrust-augmenting nozzle, deposit in take-up reel and cast, atomizing gas is chosen as nitrogen, pressure 0.6MPa, alloy melt temperature 850 DEG C, the temperature of tundish, thrust-augmenting nozzle 850 DEG C, take-up reel adopts mechanism control system to ensure and the distance of gas-atomizing nozzle is 550mm, is improved spray aluminium alloy density by hot extrusion deformation;
after casting, blank surface is with after acetone cleaning, being placed on tubular type puts in hydrogen stove, 5Pa is evacuated to by stove, 750 DEG C will be warming up to again in stove, be incubated 15 minutes, be filled with the hydrogen of 0.2% by the weight percent of aluminium alloy strand, the flow being filled with hydrogen is 1L/min, be incubated 3 hours, then the temperature in stove be cooled to room temperature with the speed of 10 DEG C/min and complete and fill hydrogen process;
adopt chlorohydric acid pickling foundry goods, 65 minutes time, with clear water, foundry goods is cleaned up subsequently; With pH test paper test foundry goods, ensure that pH value is in the scope of 6-8; Foundry goods is all immersed in the plating assistant agent containing zinc chloride and ammonium chloride, until foundry goods does not emit bubble in plating assistant agent, hang out workpiece and evacuation plating assistant agent, the foundry goods of cleaning is immersed in zinc bath, makes foundry goods and fused zinc react the epithelium of generation one alloying;
after foundry goods hangs out zinc pond, first cool in atmosphere, and then put into water and cool, cooling pool water temp remains on 65 DEG C, the foundry goods after water-cooled, hangs in deactivation slot carry out Passivation Treatment with driving, passivating solution temperature is normal temperature, and passivation time is 55s, completes after polishing, trimming.
The treatment process of aforesaid photovoltaic module support aluminium alloy extrusions, helps in plated journey, and the time of foundry goods leaching plating assistant agent should control at 1-3min.The treatment process of aforesaid photovoltaic module support aluminium alloy extrusions, containing zinc chloride and ammonium chloride in plating assistant agent, the quality of zinc chloride and ammonium chloride is respectively soaks 0.5 ‰ and 1 ‰ of casting weight.The treatment process of aforesaid photovoltaic module support aluminium alloy extrusions, foundry goods before zinc-plated, should look temperature and the galvanizing time of the characteristic determination zinc liquid of foundry goods; Wherein casting thickness < 3mm, zinc liquid temperature is 440 DEG C, galvanizing time 1-2min; 3mm≤casting thickness < 6mm, zinc liquid temperature is 440-445 DEG C, galvanizing time 2-5min; Casting thickness >=6mm, zinc liquid temperature is 445-450 DEG C, galvanizing time 5-8min.
Embodiment
embodiment 1
The treatment process of a kind of photovoltaic module support aluminium alloy extrusions that the present embodiment provides, comprises following concrete steps:
in smelting furnace, fine aluminium is melted completely, temperature of fusion is 880 DEG C-850 DEG C, and furnace temperature rises to 910 DEG C-940 DEG C after being incubated 1-3h, and add appropriate C, Si, Mn, P, S, Ni, V, Ti, obtain aluminium alloy, comprise by mass percentage in aluminium alloy: C:3.3-4.2%, Si:0.2-3.6%, Mn:0.3-1.0%, P<0.1%, S<0.05%, Ni:0.2-3.0%, V:0.2-1.5%, Ti:0.04-0.6%, remaining is the impurity of Al and total amount <0.3%;
at 910 DEG C-940 DEG C, add rare earth element in aluminium alloy, the gross weight of rare earth element is the 0.20-0.25% of above-mentioned aluminium alloy, fully stirs and be incubated 3h after furnace charge all melts at 910 DEG C; Above-mentioned alloy liquid is naturally cooled to alloy liquid temperature 850 DEG C, and at 880 DEG C, add refining agent refining slagging-off 5min;
Alloy liquid temperature be down to 750 DEG C and be incubated 20min, furnace temperature being down to 1140 DEG C, adding refining agent, carrying out refinery by de-gassing 5min with argon gas, the obtained prefabricated ingot of aluminium alloy;
In Rare Earth Elements, comprise following component by weight percentage: Gd:15-18%, Pr:3-5%, Dy:7-9%, Ac:12.5-12.8%, Nd:15-20%, Sm:11-13%, surplus is Er;
after prefabricated for above-mentioned aluminium alloy ingot fusing, through tundish, thrust-augmenting nozzle, eject atomizing gas by gas-atomizing nozzle and reaction-injection moulding is carried out to the aluminum alloy melt flowed out through thrust-augmenting nozzle, deposit in take-up reel and cast, atomizing gas is chosen as nitrogen, pressure 1.0MPa, alloy melt temperature 750 DEG C, the temperature of tundish, thrust-augmenting nozzle 900 DEG C, take-up reel adopts mechanism control system to ensure and the distance of gas-atomizing nozzle is 400mm, is improved spray aluminium alloy density by hot extrusion deformation;
after casting, blank surface is with after acetone cleaning, being placed on tubular type puts in hydrogen stove, 10Pa is evacuated to by stove, 700 DEG C will be warming up to again in stove, be incubated 15 minutes, be filled with the hydrogen of 0.3% by the weight percent of aluminium alloy strand, the flow being filled with hydrogen is 1L/min, be incubated 2 hours, then the temperature in stove be cooled to room temperature with the speed of 10 DEG C/min and complete and fill hydrogen process;
adopt chlorohydric acid pickling foundry goods, 90 minutes time, with clear water, foundry goods is cleaned up subsequently; With pH test paper test foundry goods, ensure that pH value is in the scope of 6-8; Foundry goods is all immersed in the plating assistant agent containing zinc chloride and ammonium chloride, until foundry goods does not emit bubble in plating assistant agent, hang out workpiece and evacuation plating assistant agent, the foundry goods of cleaning is immersed in zinc bath, makes foundry goods and fused zinc react the epithelium of generation one alloying;
after foundry goods hangs out zinc pond, first cool in atmosphere, and then put into water and cool, cooling pool water temp remains on 50 DEG C, the foundry goods after water-cooled, hangs in deactivation slot carry out Passivation Treatment with driving, passivating solution temperature is normal temperature, and passivation time is 60s, completes after polishing, trimming;
The treatment process of aforesaid photovoltaic module support aluminium alloy extrusions, helps in plated journey, and the time of foundry goods leaching plating assistant agent should control at 1-3min; Containing zinc chloride and ammonium chloride in plating assistant agent, the quality of zinc chloride and ammonium chloride is respectively soaks 0.5 ‰ and 1 ‰ of casting weight;
Foundry goods before zinc-plated, should look temperature and the galvanizing time of the characteristic determination zinc liquid of foundry goods; Wherein casting thickness < 3mm, zinc liquid temperature is 440 DEG C, galvanizing time 1-2min; 3mm≤casting thickness < 6mm, zinc liquid temperature is 440-445 DEG C, galvanizing time 2-5min; Casting thickness >=6mm, zinc liquid temperature is 445-450 DEG C, galvanizing time 5-8min.
embodiment 2
The treatment process of a kind of photovoltaic module support aluminium alloy extrusions that the present embodiment provides, comprises following concrete steps:
in smelting furnace, fine aluminium is melted completely, temperature of fusion is 860 DEG C, and furnace temperature rises to 910 DEG C after being incubated 2h, and add appropriate C, Si, Mn, P, S, Ni, V, Ti, obtain aluminium alloy, comprise by mass percentage in aluminium alloy: C:3.3-4.2%, Si:0.2-3.6%, Mn:0.3-1.0%, P<0.1%, S<0.05%, Ni:0.2-3.0%, V:0.2-1.5%, Ti:0.04-0.6%, remaining is the impurity of Al and total amount <0.3%;
at 920 DEG C, add rare earth element in aluminium alloy, the gross weight of rare earth element is 0.25% of above-mentioned aluminium alloy, fully stirs and be incubated 2h after furnace charge all melts at 920 DEG C; Above-mentioned alloy liquid is naturally cooled to alloy liquid temperature 850 DEG C, and at 850 DEG C, add refining agent refining slagging-off 6min;
Alloy liquid temperature be down to 750 DEG C and be incubated 25min, furnace temperature being down to 1135 DEG C, adding refining agent, carrying out refinery by de-gassing 5min with argon gas, the obtained prefabricated ingot of aluminium alloy;
In Rare Earth Elements, comprise following component by weight percentage: Gd:15-18%, Pr:3-5%, Dy:7-9%, Ac:12.5-12.8%, Nd:15-20%, Sm:11-13%, surplus is Er;
after prefabricated for above-mentioned aluminium alloy ingot fusing, through tundish, thrust-augmenting nozzle, eject atomizing gas by gas-atomizing nozzle and reaction-injection moulding is carried out to the aluminum alloy melt flowed out through thrust-augmenting nozzle, deposit in take-up reel and cast, atomizing gas is chosen as nitrogen, pressure 0.6MPa, alloy melt temperature 850 DEG C, the temperature of tundish, thrust-augmenting nozzle 850 DEG C, take-up reel adopts mechanism control system to ensure and the distance of gas-atomizing nozzle is 550mm, is improved spray aluminium alloy density by hot extrusion deformation;
after casting, blank surface is with after acetone cleaning, being placed on tubular type puts in hydrogen stove, 5Pa is evacuated to by stove, 750 DEG C will be warming up to again in stove, be incubated 15 minutes, be filled with the hydrogen of 0.2% by the weight percent of aluminium alloy strand, the flow being filled with hydrogen is 1L/min, be incubated 3 hours, then the temperature in stove be cooled to room temperature with the speed of 10 DEG C/min and complete and fill hydrogen process;
adopt chlorohydric acid pickling foundry goods, 65 minutes time, with clear water, foundry goods is cleaned up subsequently; With pH test paper test foundry goods, ensure that pH value is in the scope of 6-8; Foundry goods is all immersed in the plating assistant agent containing zinc chloride and ammonium chloride, until foundry goods does not emit bubble in plating assistant agent, hang out workpiece and evacuation plating assistant agent, the foundry goods of cleaning is immersed in zinc bath, makes foundry goods and fused zinc react the epithelium of generation one alloying;
after foundry goods hangs out zinc pond, first cool in atmosphere, and then put into water and cool, cooling pool water temp remains on 65 DEG C, the foundry goods after water-cooled, hangs in deactivation slot carry out Passivation Treatment with driving, passivating solution temperature is normal temperature, and passivation time is 55s, completes after polishing, trimming;
Help in plated journey, the time of foundry goods leaching plating assistant agent should control at 1-3min; Containing zinc chloride and ammonium chloride in plating assistant agent, the quality of zinc chloride and ammonium chloride is respectively soaks 0.5 ‰ and 1 ‰ of casting weight;
Foundry goods before zinc-plated, should look temperature and the galvanizing time of the characteristic determination zinc liquid of foundry goods; Wherein casting thickness < 3mm, zinc liquid temperature is 440 DEG C, galvanizing time 1-2min; 3mm≤casting thickness < 6mm, zinc liquid temperature is 440-445 DEG C, galvanizing time 2-5min; Casting thickness >=6mm, zinc liquid temperature is 445-450 DEG C, galvanizing time 5-8min.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (5)
1. a treatment process for photovoltaic module support aluminium alloy extrusions, is characterized in that, comprises following concrete steps:
in smelting furnace, fine aluminium is melted completely, temperature of fusion is 880 DEG C-850 DEG C, and furnace temperature rises to 910 DEG C-940 DEG C after being incubated 1-3h, and add appropriate C, Si, Mn, P, S, Ni, V, Ti, obtain aluminium alloy, comprise by mass percentage in described aluminium alloy: C:3.3-4.2%, Si:0.2-3.6%, Mn:0.3-1.0%, P<0.1%, S<0.05%, Ni:0.2-3.0%, V:0.2-1.5%, Ti:0.04-0.6%, remaining is the impurity of Al and total amount <0.3%;
at 910 DEG C-940 DEG C, add rare earth element in aluminium alloy, the gross weight of described rare earth element is the 0.20-0.25% of above-mentioned aluminium alloy, fully stirs and be incubated 1-3h after furnace charge all melts at 910 DEG C-940 DEG C; Above-mentioned alloy liquid is naturally cooled to alloy liquid temperature 850 DEG C-880 DEG C, and at 850 DEG C-880 DEG C, add refining agent refining slagging-off 5min-10min;
Alloy liquid temperature be down to 745-750 DEG C and be incubated 20min-30min, furnace temperature is down to 1130-1140 DEG C, adding refining agent, carrying out refinery by de-gassing 5min-10min with argon gas, the obtained prefabricated ingot of aluminium alloy;
In described Rare Earth Elements, comprise following component by weight percentage: Gd:15-18%, Pr:3-5%, Dy:7-9%, Ac:12.5-12.8%, Nd:15-20%, Sm:11-13%, surplus is Er;
after prefabricated for above-mentioned aluminium alloy ingot fusing, through tundish, thrust-augmenting nozzle, eject atomizing gas by gas-atomizing nozzle and reaction-injection moulding is carried out to the aluminum alloy melt flowed out through thrust-augmenting nozzle, deposit in take-up reel and cast, atomizing gas is chosen as nitrogen, pressure 0.5-1.0MPa, alloy melt temperature 750 DEG C-900 DEG C, the temperature of tundish, thrust-augmenting nozzle 750 DEG C-900 DEG C, take-up reel adopts mechanism control system to ensure, and with the distance of gas-atomizing nozzle be 400-600mm, by hot extrusion deformation raising injection aluminium alloy density;
after casting, blank surface is with after acetone cleaning, being placed on tubular type puts in hydrogen stove, 10-3Pa is evacuated to by stove, 700 DEG C-800 DEG C will be warming up to again in stove, be incubated 15 minutes, be filled with the hydrogen of 0.1-0.3% by the weight percent of aluminium alloy strand, the flow being filled with hydrogen is 1L/min, insulation 2-4 hour, is then cooled to room temperature by the temperature in stove with the speed of 10 DEG C/min and completes and fill hydrogen process;
adopt chlorohydric acid pickling foundry goods, time 30-90 minute, cleans up foundry goods with clear water subsequently; With pH test paper test foundry goods, ensure that pH value is in the scope of 6-8; Foundry goods is all immersed in the plating assistant agent containing zinc chloride and ammonium chloride, until foundry goods does not emit bubble in plating assistant agent, hang out workpiece and evacuation plating assistant agent, the foundry goods of cleaning is immersed in zinc bath, makes foundry goods and fused zinc react the epithelium of generation one alloying;
after foundry goods hangs out zinc pond, first cool in atmosphere, and then put into water and cool, cooling pool water temp remains on 50-80 DEG C, the foundry goods after water-cooled, hangs in deactivation slot carry out Passivation Treatment with driving, passivating solution temperature is normal temperature, and passivation time is 20-60s, completes after polishing, trimming.
2. the treatment process of photovoltaic module support aluminium alloy extrusions according to claim 1, is characterized in that, comprises following concrete steps:
in smelting furnace, fine aluminium is melted completely, temperature of fusion is 860 DEG C, and furnace temperature rises to 910 DEG C after being incubated 2h, and add appropriate C, Si, Mn, P, S, Ni, V, Ti, obtain aluminium alloy, comprise by mass percentage in described aluminium alloy: C:3.3-4.2%, Si:0.2-3.6%, Mn:0.3-1.0%, P<0.1%, S<0.05%, Ni:0.2-3.0%, V:0.2-1.5%, Ti:0.04-0.6%, remaining is the impurity of Al and total amount <0.3%;
at 920 DEG C, add rare earth element in aluminium alloy, the gross weight of described rare earth element is 0.25% of above-mentioned aluminium alloy, fully stirs and be incubated 2h after furnace charge all melts at 920 DEG C; Above-mentioned alloy liquid is naturally cooled to alloy liquid temperature 850 DEG C, and at 850 DEG C, add refining agent refining slagging-off 6min;
Alloy liquid temperature be down to 750 DEG C and be incubated 25min, furnace temperature being down to 1135 DEG C, adding refining agent, carrying out refinery by de-gassing 5min with argon gas, the obtained prefabricated ingot of aluminium alloy;
In described Rare Earth Elements, comprise following component by weight percentage: Gd:15-18%, Pr:3-5%, Dy:7-9%, Ac:12.5-12.8%, Nd:15-20%, Sm:11-13%, surplus is Er;
after prefabricated for above-mentioned aluminium alloy ingot fusing, through tundish, thrust-augmenting nozzle, eject atomizing gas by gas-atomizing nozzle and reaction-injection moulding is carried out to the aluminum alloy melt flowed out through thrust-augmenting nozzle, deposit in take-up reel and cast, atomizing gas is chosen as nitrogen, pressure 0.6MPa, alloy melt temperature 850 DEG C, the temperature of tundish, thrust-augmenting nozzle 850 DEG C, take-up reel adopts mechanism control system to ensure and the distance of gas-atomizing nozzle is 550mm, is improved spray aluminium alloy density by hot extrusion deformation;
after casting, blank surface is with after acetone cleaning, being placed on tubular type puts in hydrogen stove, 5Pa is evacuated to by stove, 750 DEG C will be warming up to again in stove, be incubated 15 minutes, be filled with the hydrogen of 0.2% by the weight percent of aluminium alloy strand, the flow being filled with hydrogen is 1L/min, be incubated 3 hours, then the temperature in stove be cooled to room temperature with the speed of 10 DEG C/min and complete and fill hydrogen process;
adopt chlorohydric acid pickling foundry goods, 65 minutes time, with clear water, foundry goods is cleaned up subsequently; With pH test paper test foundry goods, ensure that pH value is in the scope of 6-8; Foundry goods is all immersed in the plating assistant agent containing zinc chloride and ammonium chloride, until foundry goods does not emit bubble in plating assistant agent, hang out workpiece and evacuation plating assistant agent, the foundry goods of cleaning is immersed in zinc bath, makes foundry goods and fused zinc react the epithelium of generation one alloying;
after foundry goods hangs out zinc pond, first cool in atmosphere, and then put into water and cool, cooling pool water temp remains on 65 DEG C, the foundry goods after water-cooled, hangs in deactivation slot carry out Passivation Treatment with driving, passivating solution temperature is normal temperature, and passivation time is 55s, completes after polishing, trimming.
3. the treatment process of photovoltaic module support aluminium alloy extrusions according to claim 1 and 2, is characterized in that, described in help in plated journey, foundry goods leaching plating assistant agent time should control at 1-3min.
4. the treatment process of photovoltaic module support aluminium alloy extrusions according to claim 1 and 2, is characterized in that, containing zinc chloride and ammonium chloride in described plating assistant agent, the quality of zinc chloride and ammonium chloride is respectively soaks 0.5 ‰ and 1 ‰ of casting weight.
5. the treatment process of photovoltaic module support aluminium alloy extrusions according to claim 1 and 2, is characterized in that, described foundry goods before zinc-plated, should look temperature and the galvanizing time of the characteristic determination zinc liquid of foundry goods; Wherein
Casting thickness < 3mm, zinc liquid temperature is 440 DEG C, galvanizing time 1-2min;
3mm≤casting thickness < 6mm, zinc liquid temperature is 440-445 DEG C, galvanizing time 2-5min;
Casting thickness >=6mm, zinc liquid temperature is 445-450 DEG C, galvanizing time 5-8min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294575.3A CN104975205A (en) | 2015-06-02 | 2015-06-02 | Treatment process of aluminum alloy section for photovoltaic assembly support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294575.3A CN104975205A (en) | 2015-06-02 | 2015-06-02 | Treatment process of aluminum alloy section for photovoltaic assembly support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104975205A true CN104975205A (en) | 2015-10-14 |
Family
ID=54272166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510294575.3A Pending CN104975205A (en) | 2015-06-02 | 2015-06-02 | Treatment process of aluminum alloy section for photovoltaic assembly support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104975205A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391382A (en) * | 2015-11-28 | 2016-03-09 | 李白 | Solar panel rotation and support device |
| CN108118204A (en) * | 2017-12-29 | 2018-06-05 | 南京理工大学常熟研究院有限公司 | A kind of photovoltaic bracket aluminum alloy materials |
| CN108165846A (en) * | 2018-01-12 | 2018-06-15 | 柏涛涛 | A kind of solar photovoltaic bracket aluminum alloy materials |
| CN108165845A (en) * | 2018-01-12 | 2018-06-15 | 柏涛涛 | A kind of application in aluminum alloy materials, preparation method and its solar photovoltaic bracket |
| CN108179292A (en) * | 2017-12-29 | 2018-06-19 | 南京理工大学常熟研究院有限公司 | A kind for the treatment of process of photovoltaic module support aluminium alloy extrusions |
| CN108220694A (en) * | 2017-12-29 | 2018-06-29 | 南京理工大学常熟研究院有限公司 | A kind of fiber-reinforced aluminum alloy composite and preparation method thereof |
| CN111485149A (en) * | 2020-04-21 | 2020-08-04 | 慈溪市宜美佳铝业有限公司 | High-strength aluminum alloy section for front-cabin repeater and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0540069A1 (en) * | 1991-09-30 | 1993-05-05 | General Motors Corporation | Wear-resistant eutectic aluminium-silicon alloy |
| JP2004083988A (en) * | 2002-08-26 | 2004-03-18 | Nisshin Steel Co Ltd | HEAT RESISTANT HOT DIP Al BASED PLATED STEEL SHEET WORKED MATERIAL EXCELLENT IN OXIDATION RESISTANCE OF WORKED PART AND HIGH TEMPERATURE OXIDATION RESISTANT COATING STRUCTURE |
| CN101648254A (en) * | 2009-08-28 | 2010-02-17 | 哈尔滨工业大学 | Process for forging hydrogenated titanium alloy forging blade |
| CN203026521U (en) * | 2012-12-28 | 2013-06-26 | 上海纳杰电气成套有限公司 | Improved photovoltaic module support |
| CN104342603A (en) * | 2014-10-21 | 2015-02-11 | 大丰市南亚阀门有限公司 | Alloy material for improving corrosion resistance of valve and treatment process thereof |
| CN104561876A (en) * | 2014-12-30 | 2015-04-29 | 广东运通热镀锌厂有限公司 | Hot galvanizing technical method |
| CN104561705A (en) * | 2015-02-17 | 2015-04-29 | 江苏理工学院 | Spray forming 7xxx series aluminum alloy containing rare earth element Er and preparation method thereof |
-
2015
- 2015-06-02 CN CN201510294575.3A patent/CN104975205A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0540069A1 (en) * | 1991-09-30 | 1993-05-05 | General Motors Corporation | Wear-resistant eutectic aluminium-silicon alloy |
| JP2004083988A (en) * | 2002-08-26 | 2004-03-18 | Nisshin Steel Co Ltd | HEAT RESISTANT HOT DIP Al BASED PLATED STEEL SHEET WORKED MATERIAL EXCELLENT IN OXIDATION RESISTANCE OF WORKED PART AND HIGH TEMPERATURE OXIDATION RESISTANT COATING STRUCTURE |
| CN101648254A (en) * | 2009-08-28 | 2010-02-17 | 哈尔滨工业大学 | Process for forging hydrogenated titanium alloy forging blade |
| CN203026521U (en) * | 2012-12-28 | 2013-06-26 | 上海纳杰电气成套有限公司 | Improved photovoltaic module support |
| CN104342603A (en) * | 2014-10-21 | 2015-02-11 | 大丰市南亚阀门有限公司 | Alloy material for improving corrosion resistance of valve and treatment process thereof |
| CN104561876A (en) * | 2014-12-30 | 2015-04-29 | 广东运通热镀锌厂有限公司 | Hot galvanizing technical method |
| CN104561705A (en) * | 2015-02-17 | 2015-04-29 | 江苏理工学院 | Spray forming 7xxx series aluminum alloy containing rare earth element Er and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 任颂赞等: "《金相分析原理及技术》", 31 August 2013, 上海科学技术文献出版社 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391382A (en) * | 2015-11-28 | 2016-03-09 | 李白 | Solar panel rotation and support device |
| CN105391382B (en) * | 2015-11-28 | 2017-08-29 | 广州市晶照电子有限公司 | A kind of solar panels rotating supporting device |
| CN108118204A (en) * | 2017-12-29 | 2018-06-05 | 南京理工大学常熟研究院有限公司 | A kind of photovoltaic bracket aluminum alloy materials |
| CN108179292A (en) * | 2017-12-29 | 2018-06-19 | 南京理工大学常熟研究院有限公司 | A kind for the treatment of process of photovoltaic module support aluminium alloy extrusions |
| CN108220694A (en) * | 2017-12-29 | 2018-06-29 | 南京理工大学常熟研究院有限公司 | A kind of fiber-reinforced aluminum alloy composite and preparation method thereof |
| CN108179292B (en) * | 2017-12-29 | 2020-12-08 | 南京理工大学 | Treatment process of aluminum alloy profile for photovoltaic module bracket |
| CN108165846A (en) * | 2018-01-12 | 2018-06-15 | 柏涛涛 | A kind of solar photovoltaic bracket aluminum alloy materials |
| CN108165845A (en) * | 2018-01-12 | 2018-06-15 | 柏涛涛 | A kind of application in aluminum alloy materials, preparation method and its solar photovoltaic bracket |
| CN111485149A (en) * | 2020-04-21 | 2020-08-04 | 慈溪市宜美佳铝业有限公司 | High-strength aluminum alloy section for front-cabin repeater and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104975205A (en) | Treatment process of aluminum alloy section for photovoltaic assembly support | |
| CN103103405B (en) | Multi-element micro-alloyed high-strength aluminum-manganese alloy and preparation method thereof | |
| CN104313491B (en) | The weathering steel hot rolled thin strip of a kind of segregation without P and manufacture method thereof | |
| CN103388117B (en) | A kind of galvanized steel wire and manufacture method thereof and hot-galvanizing equipment | |
| CN103451496A (en) | Aluminum-magnesium alloy welding wire for gas shield welding of aluminum-alloy car body and preparation method thereof | |
| CN104561673B (en) | A kind of rare earth modified aluminum alloy anode sheet and preparation method thereof | |
| CN104109781B (en) | Aluminium alloy, microchannel aluminium flat conduit and preparation method thereof, heat exchanger, electrical equipment | |
| CN103740957A (en) | Casting method of aluminum alloy sacrificial anode | |
| CN102560310B (en) | Hot dip plating Zn-Al-Si-Mg alloy plating and hot dip plating method thereof | |
| CN103537640B (en) | A kind of thin strap continuous casting exempts from the method for acid-cleaning plate in conjunction with reduced anneal production hot rolling | |
| CN113103690A (en) | Ni-plated brazing aluminum alloy composite plate and preparation method and application thereof | |
| CN101775604A (en) | Magnesium alloy composite sacrificial anode material and preparation method thereof | |
| CN102330043B (en) | Steel wire hot dipping rare earth zinc alloy and hot dipping method | |
| CN106435273A (en) | High-plasticity corrosion-resistant Zn-Cu-Ti alloy and preparation method thereof | |
| CN102994928A (en) | Steel hot-dip galvanized base alloy and preparation method thereof | |
| CN107012361A (en) | A kind of electrodepositing zinc rare earth alloy anode and preparation method thereof | |
| CN1152974C (en) | Hot-dip technology for producing steel-in-copper wires by flux activating method and its apparatus | |
| CN108866467A (en) | A kind of minimizing technology of continuous zinc/aluminium/aluminium zinc coating production line zinc aluminum pot bottom ash | |
| CN105734343A (en) | Rare-earth multi-element alloy coating and hot-dip galvanizing method thereof | |
| CN109371292A (en) | A kind of solar battery frame aluminium alloy extrusions and its application | |
| CN107699735B (en) | Copper alloy hot dip tin alloy and preparation method thereof | |
| CN107475563B (en) | One Albatra metal hot dip rare earth tin-based alloy and preparation method thereof | |
| CN108179292B (en) | Treatment process of aluminum alloy profile for photovoltaic module bracket | |
| CN108441797A (en) | For the resistance to oxidation kirsite containing Sc in aluminum alloy surface galvanizing by dipping | |
| CN102162048B (en) | Zinc-aluminum-titanium-rare earth alloy for hot dip galvanized steel sheets and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |