CN106224012B - A kind of efficient turbine blade of titanium alloy - Google Patents
A kind of efficient turbine blade of titanium alloy Download PDFInfo
- Publication number
- CN106224012B CN106224012B CN201610779112.0A CN201610779112A CN106224012B CN 106224012 B CN106224012 B CN 106224012B CN 201610779112 A CN201610779112 A CN 201610779112A CN 106224012 B CN106224012 B CN 106224012B
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- blade
- turbine blade
- efficient turbine
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/28—Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/125—Fluid guiding means, e.g. vanes related to the tip of a stator vane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/133—Titanium
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The present invention relates to a kind of efficient turbine blade of titanium alloy, including blade root, blade profile and Ye Ding, the blade root, blade profile and leaf top are affixed successively and be made as one, mounting seat is connected with below the blade root, wind catcher is additionally provided with the blade root, the wind catcher includes bottom plate and wing plate, and the wing plate is connected with the bottom plate, there is the angle less than or equal to 90 °, the bottom plate is fixed on the blade root between the wing plate and the bottom plate；The blade profile surface offers at least one wind guide tank；At least one auxiliary blade is connected with the leaf top；The efficient turbine blade of titanium alloy of the present invention at least one auxiliary blade because Ye Dingshang is connected with, pass through the mutual cooperation of auxiliary blade and wind catcher and wind guide tank, can greatly improve turns into the energy conversion of steam the conversion efficiency of mechanical work, so as to improve the operating efficiency of steam turbine.
Description
Technical field
The present invention relates to a kind of efficient turbine blade of titanium alloy, belong to generating equipment technical field.
Background technology
Steam turbine is the rotary power machinery that the energy conversion of steam is turned into mechanical work.Also known as steam turbine.Mainly
Prime mover as generating, it can also directly drive various pumps, blower fan, compressor and propeller for vessels etc..Vapour can also be utilized
The steam discharge of turbine or intermediate extraction meet production and heat supply needs in life.
Turbine blade is the important component of Turbo-generator Set, and the turbine blade generally used on the market at present is general
It is to improve operating efficiency, DeGrain by changing the shape of blade, and has not given play to the maximum efficiency of blade, and
Existing turbine blade manufacturing cost is high, and easily by corrosion and damage, service life is short, and maintenance cost is high.
The content of the invention
The technical problem to be solved in the present invention is, in view of the shortcomings of the prior art, proposing a kind of high titanium alloy of operating efficiency
Efficient turbine blade.
The present invention is to solve the technical scheme that above-mentioned technical problem proposes to be：A kind of efficient turbine blade of titanium alloy, bag
Include blade root, blade profile and Ye Ding, blade root, blade profile and leaf top are affixed successively and be made as one, and mounting seat, blade root are connected with below blade root
On be additionally provided with wind catcher, wind catcher includes bottom plate and wing plate, and wing plate is connected with bottom plate, between wing plate and bottom plate have it is small
It is fixed on blade root in or equal to 90 ° of angle, bottom plate；Blade profile surface offers at least one wind guide tank；Leaf is connected with top
At least one auxiliary blade；
The processing technology of the efficient turbine blade of titanium alloy comprises the following steps：
(i) dispensing：The mass percent of each composition is in the efficient turbine blade raw material of titanium alloy：C：0.08-0.12%,
Fe：0.85-1.13%, Mn：0.31-0.52%, S：≤ 0.020%, P：≤ 0.030%, Cr：0.43-0.66%, Ni：1.35-
1.63%th, Zn：1.75-1.96%, Cu：1.95-2.46%, Mo：0.01-0.03%, Ag：0.07-0.09%, Pd：0.02-
0.05%th, Pt：0.01-0.03%, Au：0.01-0.02%, W：0.91-1.15%, Ta：0.51-0.63%, Nd：0.01-
0.03%th, Ce：0.02-0.04%, Eu：0.01-0.04%, Lu:0.02-0.03%, calcium oxide：0.12-0.15%, talcum
Powder:0.13-0.16%, magnesia：0.19-0.25%, cupric oxide：0.13-0.18%, iron oxide：0.24-0.31%, dioxy
Change manganese：0.16-0.24%, Kocide SD：0.14-0.18%, iron hydroxide：0.05-0.09%, barium hydroxide：0.04-
0.07%, potassium nitrate：0.21-0.26%, magnesium chloride：0.13-0.18%, potassium chlorate：0.26-0.32%, barium sulfate：0.03-
0.07%, copper sulphate：0.04-0.08%, surplus Ti；
(ii) melting：
A, smelting furnace is added raw materials into by the mass percent of each composition in the predetermined efficient turbine blade raw material of titanium alloy
It is interior, the temperature in smelting furnace is brought up to 1550 degrees Celsius to 1680 degrees Celsius, raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water cooling is combined with air cooling during cooling, first use water cooling with
Alloy solution water cooling to 630-650 DEG C of formation alloy, is then air-cooled to 350-390 DEG C, then adopt by 20-22 DEG C/s cooldown rate
With water cooling with 11-12 DEG C/s cooldown rate by alloy water cooling to room temperature；
C, heat, the alloy after previous step is cooled down is added in smelting furnace and carries out secondary smelting, and the temperature in smelting furnace is improved
To 1570 degrees Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, bag is scalded, the alloy solution in smelting furnace is poured into casting ladle, carries out scalding bag；
E, after scalding bag, the alloy solution in casting ladle is poured into electric furnace, the temperature in electric furnace is warming up into 1590 takes the photograph
Family name's degree heats 14 minutes to 18 minutes to 1610 degrees Celsius, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；
F, after ladle-to-ladle, the alloy solution in casting ladle is poured into electric furnace, temperature is heated to 1480 to 1510 degrees Celsius, in casting ladle
Bag hole in sequentially add 1.4% to 1.5% nodulizer and 0.2% to 0.3% inovulant, it is thin with 5 to 6kg sheet metals
The thickness of steel plate is 0.5mm to 1mm, sheet metal is covered in into nodulizer, on inovulant, and consolidate；
Alloy solution in electric furnace is poured into the opposite side of casting ladle indent, spheroidizing reacion 70s to 75s, spheroidizing reacion fills g,
After point, one layer of collection slag agent is spread, is quickly skimmed；
H, after quickly skimming, swelling perlite powder, twice of slag hitting are sprinkled on alloy solution surface immediately；
(iii) refine：Alloy solution after melting is sent into refining kettle, controls refining temperature as 1300 DEG C~1350 DEG C refinings
18 minutes, 30 minutes are stood, air pressure 0.05-0.09MPa, alloy solution to be cast is formed, was poured in five minutes；
(iv) resin-coated sand shell mould core is made：
(v) pour into a mould：After the positioning of upper and lower two halves resin-coated sand shell mould core is glued and is cured in gravity-assist pouring, it is stably placed at
Poured into a mould in casting moulds；
(vi) it is heat-treated：Using the Technology for Heating Processing of quenching-heating-tempering to pouring the efficient turbine blade of titanium alloy being poured in
It is heat-treated, specific Technology for Heating Processing is：
Quenching：The efficient turbine blade of titanium alloy that is poured in will be poured it is put into glowing furnace and quenched, hardening media is vacuum
Quenching oil, it is 800-850 DEG C to control hardening heat, and when being as cold as 260-280 DEG C during quenching, taking-up is air-cooled to room temperature；
Heating：The efficient turbine blade of titanium alloy after quenching is put into heating furnace to be heated, heating-up temperature 750-
780 DEG C, stop heating after heating 25-30 minutes, the efficient turbine blade of titanium alloy is maintained in heating furnace using waste heat
450-470 DEG C of insulation 5-10 minute, the efficient turbine blade of titanium alloy is taken out and is cooled to room temperature；
Tempering：The efficient turbine blade of titanium alloy after heating is put into tempering furnace to be tempered, controls the temperature to be
450-480 DEG C, tempering time 10-15 minutes, then use compressed air or vaporific quenching liquid will with 6-8 DEG C/s cooldown rate
Raw material is cooled to 330-350 DEG C, is then air-cooled to room temperature；
(vii) flaw detection is handled；
(viii) wedge angle and burr inside and outside the efficient turbine blade of titanium alloy are removed；
(ix) electroplate：The efficient turbine blade outer surface electroplated zinc nickel alloy coating of titanium alloy；
(x) cleaning, demagnetization and antirust treatment.
The improvement of above-mentioned technical proposal is：It is convex stupefied that the first arc is formed with the middle part of leaf top.
The improvement of above-mentioned technical proposal is：It is formed with that the second arc is convex stupefied in the middle part of auxiliary blade, the convex stupefied one end of the second arc
It is affixed with the convex stupefied middle part of the first arc.
The improvement of above-mentioned technical proposal is：Reinforcement is provided between blade root and mounting seat.
The improvement of above-mentioned technical proposal is：The efficient turbine blade of titanium alloy is arc.
The improvement of above-mentioned technical proposal is：Downward through there is at least two bolts in mounting seat, bolt is symmetrical arranged.
The improvement of above-mentioned technical proposal is：Spacer is connected with the middle part of the lower surface of mounting seat.
The improvement of above-mentioned technical proposal is：The step of processing technology of the efficient turbine blade of titanium alloy (i) in, titanium alloy
The mass percent of each composition is in efficient turbine blade raw material：C：0.09%th, Fe：0.88%th, Mn：0.35%th, S：≤
0.020%th, P：≤ 0.030%, Cr：0.46%th, Ni：1.38%th, Zn：1.86%th, Cu：1.96%th, Mo：0.02%th, Ag：
0.07%th, Pd：0.02%th, Pt：0.01%th, Au：0.01%th, W：0.95%th, Ta：0.53%th, Nd：0.03%th, Ce：0.02%th,
Eu：0.02%th, Lu:0.02%, calcium oxide：0.13%, talcum powder:0.14%, magnesia：0.19%, cupric oxide：0.14%,
Iron oxide：0.26%, manganese dioxide：0.17%, Kocide SD：0.15%, iron hydroxide：0.06%, barium hydroxide：
0.04%, potassium nitrate：0.22%, magnesium chloride：0.14%, potassium chlorate：0.27%, barium sulfate：0.03%, copper sulphate：0.04%,
Surplus is Ti.
The improvement of above-mentioned technical proposal is：The step of processing technology of the efficient turbine blade of titanium alloy (i) in, titanium alloy
The mass percent of each composition is in efficient turbine blade raw material：C：0.11%th, Fe：1.05%th, Mn：0.43%th, S：≤
0.020%th, P：≤ 0.030%, Cr：0.56%th, Ni：1.53%th, Zn：1.88%th, Cu：1.97%th, Mo：0.03%th, Ag：
0.09%th, Pd：0.03%th, Pt：0.03%th, Au：0.02%th, W：0.93%th, Ta：0.62%th, Nd：0.03%th, Ce：0.03%th,
Eu：0.02%th, Lu:0.03%, calcium oxide：0.14%, talcum powder:0.15%, magnesia：0.22%, cupric oxide：0.17%,
Iron oxide：0.26%, manganese dioxide：0.18%, Kocide SD：0.16%, iron hydroxide：0.07%, barium hydroxide：
0.06%, potassium nitrate：0.25%, magnesium chloride：0.16%, potassium chlorate：0.28%, barium sulfate：0.04%, copper sulphate：0.07%,
Surplus is Ti.
It is of the invention to be using the beneficial effect of above-mentioned technical proposal：
(1) the efficient turbine blade of titanium alloy of the invention is on blade root due to being additionally provided with wind catcher, can more added with
The energy conversion by steam of effect turns into mechanical work, conversion efficiency is improved, so as to improve the operating efficiency of steam turbine；
(2) the efficient turbine blade of titanium alloy of the invention offers at least one wind guide tank due to blade profile surface, can be with
The energy conversion of steam is turned into mechanical work by further auxiliary blade, conversion efficiency is improved, so as to improve the work of steam turbine
Efficiency；
(3) the efficient turbine blade of titanium alloy of the invention because Ye Dingshang is connected with least one auxiliary blade, by auxiliary
The mutual cooperation of blade and wind catcher and wind guide tank, the conversion that the energy conversion of steam is turned into mechanical work can be greatly improved
Efficiency, so as to improve the operating efficiency of steam turbine；
(4) the efficient turbine blade of titanium alloy of the invention is convex stupefied due to being formed with the first arc in the middle part of leaf top, due to leaf
The linear velocity on top is big, and the centrifugal force born is also big, convex stupefied by the first arc, and the structure that can greatly improve leaf top is strong
Degree, prevents from being damaged at work, ensure that the steady operation of turbine blade；
(5) the efficient turbine blade of titanium alloy of the invention is convex stupefied due to being formed with the second arc in the middle part of auxiliary blade, and second
The convex stupefied one end of arc and the convex stupefied middle part of the first arc are affixed, pass through the convex stupefied structure for strengthening auxiliary blade-section of the second arc
Intensity so that auxiliary blade and the connection on leaf top are more firm, prevent from being damaged at work, ensure that the steady of turbine blade
Fixed work；
(6) the efficient turbine blade of titanium alloy of the invention is strengthened due to being provided with reinforcement between blade root and mounting seat
The bonding strength of blade root and mounting seat, prevents from being damaged at work, ensure that the steady operation of turbine blade；
(7) the efficient turbine blade of titanium alloy of the invention due in mounting seat downward through there is at least two bolts, side
The efficient turbine blade of titanium alloy installation and replacing；
(8) the efficient turbine blade of titanium alloy of the invention is pacified due to being connected with spacer in the middle part of the lower surface of mounting seat
Spacer is inserted into the detent reserved on wheel hub during dress, when can effectively prevent that the efficient turbine blade of titanium alloy from working
Breaking-out bias effect conversion efficiency；
(9) the efficient turbine blade of titanium alloy of the invention is due to using titanium as main material so that blade total quality
Light and structural strength is big, while has excellent decay resistance；
(10) the efficient turbine blade of titanium alloy of the invention is because in raw material melting, by scalding bag, ladle-to-ladle, nodularization is anti-
The cooperation that should, skim with slag hitting so that raw material melting is more thorough, the impurity in raw material can be effectively removed, so as to improve most
The quality of whole blade；
(11) the efficient turbine blade of titanium alloy of the invention is due in raw material melting, using water cooling after first time melting
Quick cooling is combined with air cooling, carries out second of melting afterwards, by quickly cooling and secondary smelting, greatly reduce it is original in
Impurity, improve the quality of final casting；
(12) the efficient turbine blade of titanium alloy of the invention after raw material melting due to being refined again, by twice
Secondary melting and the cooperation of refining, improve the quality of final casting；
(13) the efficient turbine blade of titanium alloy of the invention can control the titanium due to have passed through heat treatment again after casting
Face crack caused by the efficient turbine blade of alloy is laterally and longitudinally recessed, and the generation of blade table surface layer and working stress can be made
Opposite residual stress, part working stress can be offset during stand under load, increase service life；
(14) the efficient turbine blade of titanium alloy of the invention is due to the efficient turbine blade outer surface electrogalvanizing of titanium alloy
Nickel alloy coating, the heat-resisting and decay resistance of blade is substantially increased, extends service life.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the efficient turbine blade of titanium alloy of the embodiment of the present invention；
Fig. 2 is the structural representation of the wind catcher of the efficient turbine blade of titanium alloy of the embodiment of the present invention；
Wherein：The auxiliary blades of 1-；2- leaves top；The arcs of 3- first are convex stupefied；4- blade profiles；5- wind guide tanks；6- blade roots；7- mounting seats；
8- spacers；The arcs of 9- second are convex stupefied；10- wind catchers；10a- wing plates；10b- bottom plates；11- bolts；12- reinforcements.
Embodiment
Embodiment one
The efficient turbine blade of titanium alloy of the present embodiment, as illustrated in fig. 1 and 2, including blade root 6, blade profile 4 and leaf top 2, leaf
Root 6, blade profile 4 and leaf top 2 are affixed successively and be made as one, and the lower section of blade root 6 is connected with mounting seat 7, in the middle part of the lower surface of mounting seat 7
It is connected with spacer 8.Wind catcher 10 is additionally provided with blade root 6, wind catcher 10 includes bottom plate 10b and wing plate 10a, wing plate
10a is connected with bottom plate 10b, has the angle less than or equal to 90 ° between wing plate 10a and bottom plate 10b, and bottom plate 10b is fixed on leaf
On root 6；The surface of blade profile 4 offers three wind guide tanks 5；An auxiliary blade 1 is connected with leaf top 2.The middle part on leaf top 2 is formed with first
Arc convex stupefied 3, the middle part of auxiliary blade 1 are formed with the second arc convex stupefied 9, convex stupefied 9 one end of the second arc and the first arc convex stupefied 3
Middle part is affixed.Reinforcement 12 is provided between blade root 6 and mounting seat 7.The efficient turbine blade of titanium alloy is arc.Mounting seat 7
On downward through there is two bolts 11, two bolts 11 are symmetrical arranged.
The processing technology of the efficient turbine blade of titanium alloy comprises the following steps：
(i) dispensing：The mass percent of each composition is in the efficient turbine blade raw material of titanium alloy：C：0.09%th, Fe：
0.88%th, Mn：0.35%th, S：≤ 0.020%, P：≤ 0.030%, Cr：0.46%th, Ni：1.38%th, Zn：1.86%th, Cu：
1.96%th, Mo：0.02%th, Ag：0.07%th, Pd：0.02%th, Pt：0.01%th, Au：0.01%th, W：0.95%th, Ta：0.53%th,
Nd：0.03%th, Ce：0.02%th, Eu：0.02%th, Lu:0.02%, calcium oxide：0.13%, talcum powder:0.14%, magnesia：
0.19%, cupric oxide：0.14%, iron oxide：0.26%, manganese dioxide：0.17%, Kocide SD：0.15%, iron hydroxide：
0.06%, barium hydroxide：0.04%, potassium nitrate：0.22%, magnesium chloride：0.14%, potassium chlorate：0.27%, barium sulfate：
0.03%, copper sulphate：0.04%, surplus Ti；
(ii) melting：
A, smelting furnace is added raw materials into by the mass percent of each composition in the predetermined efficient turbine blade raw material of titanium alloy
It is interior, the temperature in smelting furnace is brought up to 1550 degrees Celsius to 1680 degrees Celsius, raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water cooling is combined with air cooling during cooling, first use water cooling with
Alloy solution water cooling to 630-650 DEG C of formation alloy, is then air-cooled to 350-390 DEG C, then adopt by 20-22 DEG C/s cooldown rate
With water cooling with 11-12 DEG C/s cooldown rate by alloy water cooling to room temperature；
C, heat, the alloy after previous step is cooled down is added in smelting furnace and carries out secondary smelting, and the temperature in smelting furnace is improved
To 1570 degrees Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, bag is scalded, the alloy solution in smelting furnace is poured into casting ladle, carries out scalding bag；
E, after scalding bag, the alloy solution in casting ladle is poured into electric furnace, the temperature in electric furnace is warming up into 1590 takes the photograph
Family name's degree heats 14 minutes to 18 minutes to 1610 degrees Celsius, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；
F, after ladle-to-ladle, the alloy solution in casting ladle is poured into electric furnace, temperature is down to 1480 to 1510 degrees Celsius, in casting ladle
Bag sequentially adds 1.4% to 1.5% nodulizer and 0.2% to 0.3% inovulant in hole, with 5 to 6kg sheet metals, Bao Gang
The thickness of plate is 0.5mm to 1mm, sheet metal is covered in into nodulizer, on inovulant, and consolidate；
Alloy solution in electric furnace is poured into the opposite side of casting ladle indent, spheroidizing reacion 70s to 75s, spheroidizing reacion fills g,
After point, one layer of collection slag agent is spread, is quickly skimmed；
H, after quickly skimming, swelling perlite powder, twice of slag hitting are sprinkled on alloy solution surface immediately；
(iii) refine：Alloy solution after melting is sent into refining kettle, controls refining temperature as 1300 DEG C~1350 DEG C refinings
18 minutes, 30 minutes are stood, air pressure 0.05-0.09MPa, alloy solution to be cast is formed, was poured in five minutes；
(iv) resin-coated sand shell mould core is made：
(v) pour into a mould：After the positioning of upper and lower two halves resin-coated sand shell mould core is glued and is cured in gravity-assist pouring, it is stably placed at
Poured into a mould in casting moulds；
(vi) it is heat-treated：Using the Technology for Heating Processing of quenching-heating-tempering to pouring the efficient turbine blade of titanium alloy being poured in
It is heat-treated, specific Technology for Heating Processing is：
Quenching：The efficient turbine blade of titanium alloy that is poured in will be poured it is put into glowing furnace and quenched, hardening media is vacuum
Quenching oil, it is 800-850 DEG C to control hardening heat, and when being as cold as 260-280 DEG C during quenching, taking-up is air-cooled to room temperature；
Heating：The efficient turbine blade of titanium alloy after quenching is put into heating furnace to be heated, heating-up temperature 750-
780 DEG C, stop heating after heating 25-30 minutes, the efficient turbine blade of titanium alloy is maintained in heating furnace using waste heat
450-470 DEG C of insulation 5-10 minute, the efficient turbine blade of titanium alloy is taken out and is cooled to room temperature；
Tempering：The efficient turbine blade of titanium alloy after heating is put into tempering furnace to be tempered, controls the temperature to be
450-480 DEG C, tempering time 10-15 minutes, then use compressed air or vaporific quenching liquid will with 6-8 DEG C/s cooldown rate
Raw material is cooled to 330-350 DEG C, is then air-cooled to room temperature；
(vii) flaw detection is handled；
(viii) wedge angle and burr inside and outside the efficient turbine blade of titanium alloy are removed；
(ix) electroplate：The efficient turbine blade outer surface electroplated zinc nickel alloy coating of titanium alloy；
(x) cleaning, demagnetization and antirust treatment.
Embodiment two
The efficient turbine blade of titanium alloy and embodiment one of the present embodiment are essentially identical, and difference is titanium alloy height
Imitate turbine blade processing technology the step of (i) in, the mass percent of each composition in the efficient turbine blade raw material of titanium alloy
For：C：0.11%th, Fe：1.05%th, Mn：0.43%th, S：≤ 0.020%, P：≤ 0.030%, Cr：0.56%th, Ni：1.53%th,
Zn：1.88%th, Cu：1.97%th, Mo：0.03%th, Ag：0.09%th, Pd：0.03%th, Pt：0.03%th, Au：0.02%th, W：
0.93%th, Ta：0.62%th, Nd：0.03%th, Ce：0.03%th, Eu：0.02%th, Lu:0.03%, calcium oxide：0.14%, talcum
Powder:0.15%, magnesia：0.22%, cupric oxide：0.17%, iron oxide：0.26%, manganese dioxide：0.18%, Kocide SD：
0.16%, iron hydroxide：0.07%, barium hydroxide：0.06%, potassium nitrate：0.25%, magnesium chloride：0.16%, potassium chlorate：
0.28%, barium sulfate：0.04%, copper sulphate：0.07%, surplus Ti.
The present invention is not limited to above-described embodiment.All technical schemes formed using equivalent substitution, all falling within the present invention will
The protection domain asked.
Claims (9)
- A kind of 1. efficient turbine blade of titanium alloy, it is characterised in that：Including blade root, blade profile and Ye Ding, the blade root, blade profile and Leaf top is affixed successively and is made as one, is connected with mounting seat below the blade root, wind catcher, institute are additionally provided with the blade root Stating wind catcher includes bottom plate and wing plate, and the wing plate is connected with the bottom plate, has between the wing plate and the bottom plate small It is fixed on the blade root in or equal to 90 ° of angle, the bottom plate；The blade profile surface offers at least one wind guide tank； At least one auxiliary blade is connected with the leaf top；The processing technology of the efficient turbine blade of titanium alloy comprises the following steps：(i) dispensing：The mass percent of each composition is in the efficient turbine blade raw material of titanium alloy：C：0.08-0.12%、 Fe：0.85-1.13%、Mn：0.31-0.52%、S：≤0.020%、P：≤0.030%、Cr：0.43-0.66%、Ni：1.35- 1.63%、Zn：1.75-1.96%、Cu：1.95-2.46%、Mo：0.01-0.03%、Ag：0.07-0.09%、Pd：0.02-0.05%、 Pt：0.01-0.03%、Au：0.01-0.02%、W：0.91-1.15%、Ta：0.51-0.63%、Nd：0.01-0.03%、Ce：0.02- 0.04%、Eu：0.01-0.04%、Lu:0.02-0.03%, calcium oxide：0.12-0.15%, talcum powder:0.13-0.16%, oxidation Magnesium：0.19-0.25%, cupric oxide：0.13-0.18%, iron oxide：0.24-0.31%, manganese dioxide：0.16-0.24%, hydrogen Cupric oxide：0.14-0.18%, iron hydroxide：0.05-0.09%, barium hydroxide：0.04-0.07%, potassium nitrate：0.21- 0.26%, magnesium chloride：0.13-0.18%, potassium chlorate：0.26-0.32%, barium sulfate：0.03-0.07%, copper sulphate：0.04- 0.08%, surplus Ti；(ii) melting：A, added raw materials into by the mass percent of each composition in the predetermined efficient turbine blade raw material of titanium alloy in smelting furnace, will Temperature in smelting furnace brings up to 1550 degrees Celsius to 1680 degrees Celsius, and raw material is smelted to form alloy solution；B, alloy solution obtained in the previous step is cooled down, water cooling is combined with air cooling during cooling, first uses water cooling with 20-22 DEG C/s cooldown rate by alloy solution water cooling to 630-650 DEG C of formation alloy, be then air-cooled to 350-390 DEG C, then using water The cold cooldown rate with 11-12 DEG C/s is by alloy water cooling to room temperature；C, heat, the alloy after previous step is cooled down is added in smelting furnace and carries out secondary smelting, and the temperature in smelting furnace is brought up to 1570 degrees Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；D, bag is scalded, the alloy solution in smelting furnace is poured into casting ladle, carries out scalding bag；E, after scalding bag, the alloy solution in casting ladle is poured into electric furnace, the temperature in electric furnace is warming up to 1590 degrees Celsius To 1610 degrees Celsius, heat 14 minutes to 18 minutes, the alloy solution in electric furnace is poured into casting ladle, ladle-to-ladle cooling；F, after ladle-to-ladle, the alloy solution in casting ladle is poured into electric furnace, temperature is down to 1480 to 1510 degrees Celsius, is cheated in the bag of casting ladle In sequentially add 1.4% to 1.5% nodulizer and 0.2% to 0.3% inovulant, with 5 to 6kg sheet metals, the thickness of sheet metal For 0.5mm to 1mm, sheet metal is covered in nodulizer, on inovulant, and consolidate；Alloy solution in electric furnace pours into the opposite side of casting ladle indent g, spheroidizing reacion 70s to 75s, after spheroidizing reacion is abundant, One layer of collection slag agent is spread, is quickly skimmed；H, after quickly skimming, swelling perlite powder, twice of slag hitting are sprinkled on alloy solution surface immediately；(iii) refine：Alloy solution after melting is sent into refining kettle, controls refining temperature to refine 18 points for 1300 DEG C~1350 DEG C Clock, 30 minutes are stood, air pressure 0.05-0.09MPa, alloy solution to be cast is formed, was poured in five minutes；(iv) resin-coated sand shell mould core is made：(v) pour into a mould：After the positioning of upper and lower two halves resin-coated sand shell mould core is glued and is cured in gravity-assist pouring, cast is stably placed at Poured into a mould in mould；(vi) it is heat-treated：Carried out using the Technology for Heating Processing of quenching-heating-tempering to pouring the efficient turbine blade of titanium alloy being poured in Heat treatment, specific Technology for Heating Processing are：Quenching：The efficient turbine blade of titanium alloy that is poured in will be poured it is put into glowing furnace and quenched, hardening media is vacuum hardening Oil, it is 800-850 DEG C to control hardening heat, and when being as cold as 260-280 DEG C during quenching, taking-up is air-cooled to room temperature；Heating：The efficient turbine blade of titanium alloy after quenching is put into heating furnace to be heated, heating-up temperature 750-780 DEG C, stop heating after heating 25-30 minutes, the efficient turbine blade of titanium alloy is maintained 450- using waste heat in heating furnace 470 DEG C of insulation 5-10 minutes, the efficient turbine blade of titanium alloy is taken out and is cooled to room temperature；Tempering：The efficient turbine blade of titanium alloy after heating is put into tempering furnace to be tempered, it is 450- to control temperature 480 DEG C, tempering time 10-15 minutes, then use compressed air or vaporific quenching liquid with 6-8 DEG C/s cooldown rate by raw material It is cooled to 330-350 DEG C, is then air-cooled to room temperature；(vii) flaw detection is handled；(viii) wedge angle and burr inside and outside the efficient turbine blade of titanium alloy are removed；(ix) electroplate：The efficient turbine blade outer surface electroplated zinc nickel alloy coating of titanium alloy；(x) cleaning, demagnetization and antirust treatment.
- 2. the efficient turbine blade of titanium alloy according to claim 1, it is characterised in that：Is formed with the middle part of the leaf top One arc is convex stupefied.
- 3. the efficient turbine blade of titanium alloy according to claim 2, it is characterised in that：It is formed with the middle part of the auxiliary blade Second arc is convex stupefied, and the described convex stupefied one end of second arc and the convex stupefied middle part of first arc are affixed.
- 4. the efficient turbine blade of titanium alloy according to claim 3, it is characterised in that：Between the blade root and mounting seat It is provided with reinforcement.
- 5. the efficient turbine blade of titanium alloy according to claim 4, it is characterised in that：The efficient steam turbine of titanium alloy Blade is arc.
- 6. the efficient turbine blade of titanium alloy according to claim 5, it is characterised in that：In the mounting seat downward through There are at least two bolts, the bolt is symmetrical arranged.
- 7. the efficient turbine blade of titanium alloy according to claim 6, it is characterised in that：In the lower surface of the mounting seat Portion is connected with spacer.
- 8. the efficient turbine blade of titanium alloy according to claim 7, it is characterised in that：The efficient steam turbine of titanium alloy The step of processing technology of blade (i) in, the mass percent of each composition is in the efficient turbine blade raw material of titanium alloy： C：0.09%、Fe：0.88% 、Mn：0.35%、S：≤0.020%、P：≤0.030%、Cr：0.46%、Ni：1.38%、Zn：1.86%、 Cu：1.96%、Mo：0.02%、Ag：0.07%、Pd：0.02%、Pt：0.01%、Au：0.01%、W：0.95%、Ta：0.53%、Nd： 0.03%、Ce：0.02%、Eu：0.02%、Lu:0.02%, calcium oxide：0.13%, talcum powder:0.14%, magnesia：0.19%, Cupric oxide：0.14%, iron oxide：0.26%, manganese dioxide：0.17%, Kocide SD：0.15%, iron hydroxide：0.06%, Barium hydroxide：0.04%, potassium nitrate：0.22%, magnesium chloride：0.14%, potassium chlorate：0.27%, barium sulfate：0.03%, sulfuric acid Copper：0.04%, surplus Ti.
- 9. the efficient turbine blade of titanium alloy according to claim 7, it is characterised in that：The efficient steam turbine of titanium alloy The step of processing technology of blade (i) in, the mass percent of each composition is in the efficient turbine blade raw material of titanium alloy： C：0.11%、Fe：1.05% 、Mn：0.43%、S：≤0.020%、P：≤0.030%、Cr：0.56%、Ni：1.53%、Zn：1.88%、 Cu：1.97%、Mo：0.03%、Ag：0.09%、Pd：0.03%、Pt： 0.03%、Au：0.02%、W：0.93%、Ta：0.62%、Nd： 0.03%、Ce：0.03%、Eu：0.02%、Lu:0.03%, calcium oxide：0.14%, talcum powder:0.15%, magnesia：0.22%, Cupric oxide：0.17%, iron oxide：0.26%, manganese dioxide：0.18%, Kocide SD：0.16%, iron hydroxide：0.07%, Barium hydroxide：0.06%, potassium nitrate：0.25%, magnesium chloride：0.16%, potassium chlorate：0.28%, barium sulfate：0.04%, sulfuric acid Copper：0.07%, surplus Ti.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779112.0A CN106224012B (en) | 2016-08-31 | 2016-08-31 | A kind of efficient turbine blade of titanium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779112.0A CN106224012B (en) | 2016-08-31 | 2016-08-31 | A kind of efficient turbine blade of titanium alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106224012A CN106224012A (en) | 2016-12-14 |
| CN106224012B true CN106224012B (en) | 2018-02-13 |
Family
ID=58071655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610779112.0A Active CN106224012B (en) | 2016-08-31 | 2016-08-31 | A kind of efficient turbine blade of titanium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106224012B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106591729A (en) * | 2016-12-15 | 2017-04-26 | 苏州富艾姆工业设备有限公司 | Straight core-spun yarn friction spinning mechanism |
| CN106756237B (en) * | 2017-01-10 | 2019-02-05 | 沈阳泰恒通用技术有限公司 | A kind of abrasion-resistant titanium basic composite material |
| CN107559049B (en) * | 2017-09-30 | 2023-12-12 | 南京赛达机械制造有限公司 | Efficient turbine blade |
| CN107780975B (en) * | 2017-09-30 | 2023-10-03 | 南京赛达机械制造有限公司 | Turbine blade and preparation method thereof |
| CN107916350A (en) * | 2017-11-14 | 2018-04-17 | 张剑 | A kind of alloy valve and its heat treatment process |
| CN109022914A (en) * | 2018-10-09 | 2018-12-18 | 广州宇智科技有限公司 | A kind of corrosion-resistant high heat-transfer performance chemical field titanium alloy and its technique |
| CN109707462B (en) * | 2018-12-28 | 2022-03-18 | 东方电气集团东方汽轮机有限公司 | 1450mm titanium alloy final-stage blade of full-speed steam turbine |
| CN110479989B (en) * | 2019-08-19 | 2020-10-30 | 安徽省含山县兴建铸造厂 | Processing method of high-temperature-resistant titanium alloy casting |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828024A (en) * | 2005-03-04 | 2006-09-06 | 徐大懋 | Impeller mechanical vane design method capable of improving energy conversion efficiency |
| CN101225754A (en) * | 2007-01-18 | 2008-07-23 | 西门子公司 | Guide vane for a gas turbine |
| CN201170119Y (en) * | 2008-03-21 | 2008-12-24 | 哈尔滨汽轮机厂有限责任公司 | Full rotary speed air cooling steam turbine last stage blade |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000145402A (en) * | 1998-11-12 | 2000-05-26 | Mitsubishi Heavy Ind Ltd | Axial turbine cascade |
-
2016
- 2016-08-31 CN CN201610779112.0A patent/CN106224012B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828024A (en) * | 2005-03-04 | 2006-09-06 | 徐大懋 | Impeller mechanical vane design method capable of improving energy conversion efficiency |
| CN101225754A (en) * | 2007-01-18 | 2008-07-23 | 西门子公司 | Guide vane for a gas turbine |
| CN201170119Y (en) * | 2008-03-21 | 2008-12-24 | 哈尔滨汽轮机厂有限责任公司 | Full rotary speed air cooling steam turbine last stage blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106224012A (en) | 2016-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106224012B (en) | A kind of efficient turbine blade of titanium alloy | |
| CN105107576B (en) | A kind of board hammer of impact crusher and its manufacture method | |
| CN107150455A (en) | A kind of composite casting hard alloy stud pressure roller and manufacture method | |
| CN106593608A (en) | Gas outlet end assembly of exhaust system of automobile engine and production technology thereof | |
| CN105033227A (en) | Manufacturing method for high-vanadium high-speed steel composite roll | |
| CN105200276B (en) | A kind of pseudo- alloy enhancing composite material piston manufacture method with inner-cooling oil recess | |
| CN104625659A (en) | Manufacturing method of electron beam welding aluminum piston | |
| CN107252875A (en) | A kind of manufacture method of high intensity valve body | |
| CN106834888A (en) | A kind of high-strength abrasion-proof cast steel lining board and preparation method thereof | |
| CN111575595B (en) | Economical hot-die-casting die steel and preparation method thereof | |
| CN101824584A (en) | High-performance granular bainite rail steel and production process | |
| CN105671280A (en) | Manufacturing method for steel forging used for critical component of deep sea Christmas tree | |
| CN102764852B (en) | A kind of method of use V methods Foundry Production ultra-high manganese steel jaw | |
| CN102703835B (en) | Hot-work die steel for aluminum die-casting mould | |
| CN103952645B (en) | A kind of high temperature resistant wear-resistance high-manganese steel and preparation method thereof | |
| CN206092078U (en) | High -efficient titanium alloy turbine blade | |
| CN102191405B (en) | Copper alloy applied to clamping and loading tools of strip steel welding equipment and its production method | |
| CN101935805B (en) | Grate bar and preparation method thereof | |
| CN105603318B (en) | A kind of processing method of the double hardness tups of low-alloy medium carbon steel | |
| CN106834969B (en) | Jobbing sheet-rolling mill working roll and its manufacturing method | |
| CN105132792A (en) | High-chromium high-tungsten wear-resisting cast iron plate hammer of crusher and preparation method thereof | |
| CN108301877A (en) | A kind of high temperature resistant turbine blade | |
| CN104152809A (en) | Alloy mandrel and preparation method thereof | |
| CN101717879A (en) | White copper alloy and preparation method thereof | |
| CN107020352A (en) | A kind of rich chromium cast iron tup casting technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211113 Weiqi Road, industrial concentration zone, Lukou Town, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Saida Technology Co.,Ltd. Address before: 211113 Weiqi Road, industrial concentration zone, Lukou Town, Jiangning District, Nanjing City, Jiangsu Province Patentee before: NANJING SAIDA MACHINERY MANUFACTURING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |