CN107900612B - The processing technology of large-scale two phase stainless steel rotary drum disk - Google Patents
The processing technology of large-scale two phase stainless steel rotary drum disk Download PDFInfo
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- CN107900612B CN107900612B CN201711069066.6A CN201711069066A CN107900612B CN 107900612 B CN107900612 B CN 107900612B CN 201711069066 A CN201711069066 A CN 201711069066A CN 107900612 B CN107900612 B CN 107900612B
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- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
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- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
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- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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Abstract
The invention discloses the technical process such as a kind of processing technology of large-scale two phase stainless steel rotary drum disk, including tapping, smelting, casting, solution strengthening, cooling, pickling, preliminary working, roughing, heat treatment I, semifinishing I, ray detection, heat treatment II, semifinishing II, heat treatment III, finishing, dynamic balancing duplicate removal, surface treatment.The size distortion for the large-scale two phase stainless steel rotary drum disk that the present invention obtains is small, machining accuracy is high, it has excellent performance, can adapt to the rotary drum disk product needed for large-scale seperator, more particularly to especially meet and the dedicated rotary drum disk of separation equipment suitable for media such as a kind of corn oil, water, sediments.
Description
Technical field
The present invention relates to a kind of processing technology of large-scale two phase stainless steel rotary drum disk, especially suitable for a kind of corn oil,
The large-scale separator drum disk of the media such as water, sediment separation.
Background technique
Country's starch separator is nozzle continuous discharge type disk centrifuge, the starch being mainly used in starch industry at present
Purification, pre-concentration, Protein Separation and recovery of starch etc. can be used for food, medicine, dyeization, the liquid solid two of the departments such as environmental protection
It mutually separates, the technical process, such as kaolin such as concentration and recovery and clarification, the recycling of paper pulp, wastewater treatment etc..China manufactures dish-style and forms sediment
The time of powder seperator is shorter, and major technique, which has from same kind of products at abroad, to be digested and assimilated.The dish-style of China's manufacture at present
The drum assembly of starch separator is made of multiple parts, and internal structure is complicated, not only assembles cumbersome, but also feed system is easy
Blocking, equipment run ten days just necessary cleaning during shutdown rotary drums, cannot achieve three phase separation, greatly reduce equipment work efficiency.
Western developed country is more early in separation of solid and liquid area research, and current technology also more comprehensively, completely, has and largely commercially answers
Example, but the product price of these companies is prohibitively expensive, trouble, expense are also relatively high again for maintenance of equipment.
The enlargement of dish-style starch separator, intelligence, the application of multifunction, high-speed high-precision and property material are not
The development trend come, and the latest development direction of domestic starch separator, necessarily the update of dish-style starch separator product is changed
Generation.An importance of the stainless steel material as research dish-style starch separator update new product, by many researchs
The concern of person, wherein the processing technology for studying large-scale two phase stainless steel can be adapted to large-scale separator drum disk,
It is one of most important research field.
Summary of the invention
The purpose of the invention is to provide a kind of processing technology of large-scale two phase stainless steel rotary drum disk, to meet and fit
It separates for media such as a kind of corn oil, water, sediments with large-scale separator drum disk.
A kind of processing technology of large size two phase stainless steel rotary drum disk, specifically includes following technical process:
(1) it taps, smelt: raw material being equipped with according to the chemical component of known alloy, is melted using vacuum induction furnace
It smelts；
(2) it casts: slurries is cast into steel ingot,
(3) solution strengthening: control temperature carries out solution strengthening processing to the steel ingot of above-mentioned casting at 960-1150 DEG C, Gu
Then molten enhanced time control was come out of the stove rapidly at 1-5 hours；
(4) cooling: cooling place being carried out with the cooling velocity of 10-15 DEG C/s through solution strengthening treated workpiece by above-mentioned
Reason；
(5) the above-mentioned workpiece after cooling treatment pickling: is subjected to pickling processes；
(6) preliminary working: the above-mentioned workpiece after pickling processes is subjected to turning and rough grinding is handled；
(7) initial survey: to it is above-mentioned through preliminary working treated workpiece carry out composition detection and with mechanics properties testing, reject inspection
Survey underproof product；
(8) roughing processing roughing: is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I: carrying out average tempering processing through roughing treated workpiece to above-mentioned, control tempering temperature exists
Between 1100-1200 DEG C, soaking time is controlled at 0.5-1 hours；
(10) semifinishing I: stopping 3-4 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated I technical process according to the program compiled and edit.
(11) ray detection: x-ray carrying out flaw detection is carried out to the above-mentioned workpiece after semifinishing I technical process, is picked
Except the underproof product of detection；
(12) it is heat-treated II: second of medium temperature being carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection and is returned
Fire processing controls tempering temperature between 1100-1200 DEG C, controls soaking time at 0.5-1 hours；
(13) semifinishing II: stopping 1-2 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated II technical process according to the program compiled and edit；
(14) it is heat-treated III: lonneal processing, control is carried out to the above-mentioned workpiece after semifinishing II technical process
Tempering temperature controls soaking time at 24-30 hours between 200-230 DEG C；
(15) it finishes: finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal: dynamic balancing deduplication operation is carried out to above-mentioned finishing treated workpiece, makes balance quality
Reach G6.3；
(17) it is surface-treated: the above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly include unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
Preferably, in the technical process (1) known alloy chemical component are as follows: C≤0.03%, S≤0.005%, P
≤ 0.005%, Si≤0.5%, N≤0.02%, W :≤6%, Mn:0.1-2%, Cr:10-15%, Ni:1.0-4.0%, Mo:
0.5-2.0%, surplus are Fe and inevitable impurity.
Preferably, control temperature carries out the steel ingot of above-mentioned casting at 1050-1100 DEG C in the technical process (3)
Solution strengthening processing, strengthened solution time are controlled at 3-4 hours, are then come out of the stove rapidly.
Preferably, cooling velocity is controlled in the technical process (4) in 12 ± 1 DEG C/s.
Preferably, control tempering temperature controls soaking time in 26- at 210 ± 10 DEG C in the technical process (14)
28 hours；
Preferably, the size distortion for the large-scale two phase stainless steel rotary drum disk that the present invention obtains is small, machining accuracy
Height is had excellent performance, and can adapt to the rotary drum disk product needed for large-scale seperator, more particularly to especially meet and be suitable for one
The dedicated rotary drum disk of separation equipment of the media such as kind corn oil, water, sediment.
The invention has the benefit that joint is using repeatedly different processing methods, including preliminary working, roughing, half essence
Process and finish etc., all match heat treatment mode and detection project in various degree after processing every time, guarantees that finished product has
Enough machining accuracies and performance advantage.The size distortion for the large-scale two phase stainless steel rotary drum disk that the present invention obtains is small, processing
Precision is high, has excellent performance, can adapt to the rotary drum disk product needed for large-scale seperator, more particularly to especially meet and be applicable in
In a kind of dedicated rotary drum disk of the separation equipment of the media such as corn oil, water, sediment.
Specific embodiment
In order to better illustrate the present invention, attached embodiment is as follows.It is emphasized that embodiment is not meant to the present invention
Scope limitation in the condition that embodiment describes, the purpose of embodiment is the content that the present invention is further explained and its feasible
Property.
Embodiment 1:
A kind of processing technology of large size two phase stainless steel rotary drum disk, specifically includes following technical process:
(1) it taps, smelt: raw material being equipped with according to the chemical component of known alloy, is melted using vacuum induction furnace
It smelts；
(2) it casts: slurries is cast into steel ingot,
(3) solution strengthening: control temperature carries out solution strengthening processing to the steel ingot of above-mentioned casting at 1100 DEG C, and solid solution is strong
Change time control at 3.5 hours, then comes out of the stove rapidly；
(4) cooling: cooling treatment being carried out with the cooling velocity of 12.0 DEG C/s through solution strengthening treated workpiece by above-mentioned；
(5) the above-mentioned workpiece after cooling treatment pickling: is subjected to pickling processes；
(6) preliminary working: the above-mentioned workpiece after pickling processes is subjected to turning and rough grinding is handled；
(7) initial survey: to it is above-mentioned through preliminary working treated workpiece carry out composition detection and with mechanics properties testing, reject inspection
Survey underproof product；
(8) roughing processing roughing: is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I: carrying out average tempering processing through roughing treated workpiece to above-mentioned, control tempering temperature exists
1150 DEG C, soaking time is controlled at 0.5 hour；
(10) semifinishing I: stopping 3.0 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated I technical process according to the program compiled and edit.
(11) ray detection: x-ray carrying out flaw detection is carried out to the above-mentioned workpiece after semifinishing I technical process, is picked
Except the underproof product of detection；
(12) it is heat-treated II: second of medium temperature being carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection and is returned
Fire processing controls tempering temperature between 1100 DEG C, controls soaking time at 1.0 hours；
(13) semifinishing II: stopping 1.5 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated II technical process according to the program compiled and edit；
(14) it is heat-treated III: lonneal processing, control is carried out to the above-mentioned workpiece after semifinishing II technical process
Tempering temperature controls soaking time at 26 hours between 210 DEG C；
(15) it finishes: finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal: dynamic balancing deduplication operation is carried out to above-mentioned finishing treated workpiece, makes balance quality
Reach G6.3；
(17) it is surface-treated: the above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly include unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
Embodiment 2:
A kind of processing technology of large size two phase stainless steel rotary drum disk, specifically includes following technical process:
(1) it taps, smelt: raw material being equipped with according to the chemical component of known alloy, is melted using vacuum induction furnace
It smelts；
(2) it casts: slurries is cast into steel ingot,
(3) solution strengthening: control temperature carries out solution strengthening processing to the steel ingot of above-mentioned casting at 960 DEG C, and solid solution is strong
Change time control at 4.0 hours, then comes out of the stove rapidly；
(4) cooling: cooling treatment being carried out with the cooling velocity of 15.0 DEG C/s through solution strengthening treated workpiece by above-mentioned；
(5) the above-mentioned workpiece after cooling treatment pickling: is subjected to pickling processes；
(6) preliminary working: the above-mentioned workpiece after pickling processes is subjected to turning and rough grinding is handled；
(7) initial survey: to it is above-mentioned through preliminary working treated workpiece carry out composition detection and with mechanics properties testing, reject inspection
Survey underproof product；
(8) roughing processing roughing: is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I: carrying out average tempering processing through roughing treated workpiece to above-mentioned, control tempering temperature exists
1200 DEG C, soaking time is controlled at 50 minutes；
(10) semifinishing I: stopping 4.0 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated I technical process according to the program compiled and edit.
(11) ray detection: x-ray carrying out flaw detection is carried out to the above-mentioned workpiece after semifinishing I technical process, is picked
Except the underproof product of detection；
(12) it is heat-treated II: second of medium temperature being carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection and is returned
Fire processing controls tempering temperature between 1200 DEG C, controls soaking time at 0.5 hour；
(13) semifinishing II: stopping 2.0 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated II technical process according to the program compiled and edit；
(14) it is heat-treated III: lonneal processing, control is carried out to the above-mentioned workpiece after semifinishing II technical process
Tempering temperature controls soaking time at 30 hours between 200 DEG C；
(15) it finishes: finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal: dynamic balancing deduplication operation is carried out to above-mentioned finishing treated workpiece, makes balance quality
Reach G6.3；
(17) it is surface-treated: the above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly include unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
Embodiment 3:
A kind of processing technology of large size two phase stainless steel rotary drum disk, specifically includes following technical process:
(1) it taps, smelt: raw material being equipped with according to the chemical component of known alloy, is melted using vacuum induction furnace
It smelts；
(2) it casts: slurries is cast into steel ingot,
(3) solution strengthening: control temperature carries out solution strengthening processing to the steel ingot of above-mentioned casting at 1050 DEG C, and solid solution is strong
Change time control at 2.0 hours, then comes out of the stove rapidly；
(4) cooling: cooling treatment being carried out with the cooling velocity of 10.5 DEG C/s through solution strengthening treated workpiece by above-mentioned；
(5) the above-mentioned workpiece after cooling treatment pickling: is subjected to pickling processes；
(6) preliminary working: the above-mentioned workpiece after pickling processes is subjected to turning and rough grinding is handled；
(7) initial survey: to it is above-mentioned through preliminary working treated workpiece carry out composition detection and with mechanics properties testing, reject inspection
Survey underproof product；
(8) roughing processing roughing: is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I: carrying out average tempering processing through roughing treated workpiece to above-mentioned, control tempering temperature exists
1100 DEG C, soaking time is controlled at 1.0 hours；
(10) semifinishing I: stopping 3.0 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated I technical process according to the program compiled and edit.
(11) ray detection: x-ray carrying out flaw detection is carried out to the above-mentioned workpiece after semifinishing I technical process, is picked
Except the underproof product of detection；
(12) it is heat-treated II: second of medium temperature being carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection and is returned
Fire processing controls tempering temperature between 1200 DEG C, controls soaking time at 45 minutes；
(13) semifinishing II: stopping 1.0 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated II technical process according to the program compiled and edit；
(14) it is heat-treated III: lonneal processing, control is carried out to the above-mentioned workpiece after semifinishing II technical process
Tempering temperature controls soaking time at 28 hours between 230 DEG C；
(15) it finishes: finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal: dynamic balancing deduplication operation is carried out to above-mentioned finishing treated workpiece, makes balance quality
Reach G6.3；
(17) it is surface-treated: the above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly include unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
Embodiment 4:
A kind of processing technology of large size two phase stainless steel rotary drum disk, specifically includes following technical process:
(1) it taps, smelt: raw material being equipped with according to the chemical component of known alloy, is melted using vacuum induction furnace
It smelts；
(2) it casts: slurries is cast into steel ingot,
(3) solution strengthening: control temperature carries out solution strengthening processing to the steel ingot of above-mentioned casting at 1150 DEG C, and solid solution is strong
Change time control at 1.0 hours, then comes out of the stove rapidly；
(4) cooling: cooling treatment being carried out with the cooling velocity of 12.0 DEG C/s through solution strengthening treated workpiece by above-mentioned；
(5) the above-mentioned workpiece after cooling treatment pickling: is subjected to pickling processes；
(6) preliminary working: the above-mentioned workpiece after pickling processes is subjected to turning and rough grinding is handled；
(7) initial survey: to it is above-mentioned through preliminary working treated workpiece carry out composition detection and with mechanics properties testing, reject inspection
Survey underproof product；
(8) roughing processing roughing: is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I: carrying out average tempering processing through roughing treated workpiece to above-mentioned, control tempering temperature exists
1100 DEG C, soaking time is controlled at 45 minutes；
(10) semifinishing I: stopping 3.5 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated I technical process according to the program compiled and edit.
(11) ray detection: x-ray carrying out flaw detection is carried out to the above-mentioned workpiece after semifinishing I technical process, is picked
Except the underproof product of detection；
(12) it is heat-treated II: second of medium temperature being carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection and is returned
Fire processing controls tempering temperature between 1150 DEG C, controls soaking time at 1.0 hours；
(13) semifinishing II: stopping 1.5 millimeters of machining allowance, according to set dimensional profile machining programming generation
Code carries out numerical control processing to the workpiece after above-mentioned thermally treated II technical process according to the program compiled and edit；
(14) it is heat-treated III: lonneal processing, control is carried out to the above-mentioned workpiece after semifinishing II technical process
Tempering temperature controls soaking time at 25 hours between 220 DEG C；
(15) it finishes: finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal: dynamic balancing deduplication operation is carried out to above-mentioned finishing treated workpiece, makes balance quality
Reach G6.3；
(17) it is surface-treated: the above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly include unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
The chemical component of known alloy is as shown in table 1 in technical process described in various embodiments of the present invention (1).
Mechanics properties testing result such as 2 institute of table of the obtained large-scale two phase stainless steel rotary drum disk of various embodiments of the present invention
Show.
The chemical component (by weight percentage) of known alloy in each embodiment of table 1
| Embodiment | C | S | P | Si | N | W | Mn | Mo | Cr | Ni |
| 1 | 0.02 | 0.001 | 0.003 | 0.25 | 0.15 | 5.53 | 1.28 | 0.82 | 12.6 | 2.65 |
| 2 | 0.004 | 0.002 | 0.002 | 0.32 | 0.05 | 2.54 | 1.06 | 1.04 | 11.7 | 1.84 |
| 3 | 0.01 | 0.002 | 0.001 | 0.28 | 0.25 | 4.28 | 0.85 | 1.51 | 14.1 | 3.19 |
| 4 | 0.013 | 0.001 | 0.001 | 0.26 | 0.13 | 3.41 | 1.33 | 1.34 | 13.2 | 2.54 |
Note: surplus is Fe and inevitable impurity in each embodiment.
The mechanics properties testing result of the obtained large-scale two phase stainless steel rotary drum disk of each embodiment of table 2
Claims (4)
1. a kind of processing technology of large size two phase stainless steel rotary drum disk, which is characterized in that specifically include following technical process:
(1) it taps, smelt: raw material being equipped with according to the chemical component of known alloy, fusing smelting is carried out using vacuum induction furnace；
(2) it casts: slurries is cast into steel ingot,
(3) solution strengthening: control temperature carries out solution strengthening processing, solid solution to the steel ingot of above-mentioned casting at 1050-1100 DEG C
Enhanced time was controlled at 3-4 hours, was then come out of the stove rapidly；
(4) cooling: cooling treatment being carried out with the cooling velocity of 12 ± 1 DEG C/s through solution strengthening treated workpiece by above-mentioned；
(5) the above-mentioned workpiece after cooling treatment pickling: is subjected to pickling processes；
(6) preliminary working: the above-mentioned workpiece after pickling processes is subjected to turning and rough grinding is handled；
(7) initial survey: to it is above-mentioned through preliminary working treated workpiece carry out composition detection and with mechanics properties testing, reject detection not
Qualified product；
(8) roughing processing roughing: is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I: carrying out average tempering processing through roughing treated workpiece to above-mentioned, control tempering temperature in 1100-
Between 1200 DEG C, soaking time is controlled at 0.5-1 hours；
(10) semifinishing I: stopping 3-4 millimeters of machining allowance, according to the dimensional profile machining programming code of setting, presses
Numerical control processing is carried out to the workpiece after above-mentioned thermally treated I technical process according to the program compiled and edit；
(11) ray detection: x-ray carrying out flaw detection is carried out to the above-mentioned workpiece after semifinishing I technical process, rejects inspection
Survey underproof product；
(12) it is heat-treated II: above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection is carried out at second of average tempering
Reason controls tempering temperature between 1100-1200 DEG C, controls soaking time at 0.5-1 hours；
(13) semifinishing II: stopping 1-2 millimeters of machining allowance, according to set dimensional profile machining programming code,
Numerical control processing is carried out to the workpiece after above-mentioned thermally treated II technical process according to the program compiled and edit；
(14) it is heat-treated III: lonneal processing, control tempering is carried out to the above-mentioned workpiece after semifinishing II technical process
Temperature controls soaking time at 24-30 hours between 200-230 DEG C；
(15) it finishes: finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal: dynamic balancing deduplication operation is carried out to above-mentioned finishing treated workpiece, reaches balance quality
G6.3；
(17) it is surface-treated: the above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly include deburring, acid
It washes, polish；
Obtain large-scale two phase stainless steel rotary drum disk.
2. the processing technology of large size two phase stainless steel rotary drum disk according to claim 1, which is characterized in that the work
The chemical component of known alloy in skill process (1) are as follows: C≤0.03%, S≤0.005%, P≤0.005%, Si≤0.5%, N≤
0.02%, W :≤6%, Mn:0.1-2%, Cr:10-15%, Ni:1.0-4.0%, Mo:0.5-2.0%, surplus are Fe and can not
The impurity avoided.
3. the processing technology of large size two phase stainless steel rotary drum disk according to claim 1, which is characterized in that the work
Control tempering temperature controls soaking time at 26-28 hours at 210 ± 10 DEG C in skill process (14).
4. the processing technology of large size two phase stainless steel rotary drum disk according to claim 1, which is characterized in that the processing
The large-scale two phase stainless steel rotary drum disk that technique obtains, suitable for corn oil, water, dedicated turn of separation equipment of sediment blending agent
Drum disk.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069066.6A CN107900612B (en) | 2017-11-02 | 2017-11-02 | The processing technology of large-scale two phase stainless steel rotary drum disk |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069066.6A CN107900612B (en) | 2017-11-02 | 2017-11-02 | The processing technology of large-scale two phase stainless steel rotary drum disk |
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| Publication Number | Publication Date |
|---|---|
| CN107900612A CN107900612A (en) | 2018-04-13 |
| CN107900612B true CN107900612B (en) | 2019-10-18 |
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| CN201711069066.6A Active CN107900612B (en) | 2017-11-02 | 2017-11-02 | The processing technology of large-scale two phase stainless steel rotary drum disk |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003115A (en) * | 2006-12-22 | 2007-07-25 | 成都天保机械制造有限公司 | Method for fabricating rotary drum |
| CN101684542A (en) * | 2008-09-26 | 2010-03-31 | 宝山钢铁股份有限公司 | Duplex stainless steel with pitting corrosion resistance and favourable cold temperature flexibility and manufacturing method thereof |
| CN102248147A (en) * | 2011-07-01 | 2011-11-23 | 屈志 | Novel stainless steel centrifuge revolving drum and manufacturing method thereof |
| CN102719767A (en) * | 2012-06-01 | 2012-10-10 | 宝山钢铁股份有限公司 | Economic duplex stainless steel with excellent cold forging performance and manufacturing method thereof |
| CN105349906A (en) * | 2015-11-02 | 2016-02-24 | 四川维珍石化设备有限公司 | Centrifugal casting method of super duplex stainless steel horizontal screw centrifugal separator drum |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003115A (en) * | 2006-12-22 | 2007-07-25 | 成都天保机械制造有限公司 | Method for fabricating rotary drum |
| CN101684542A (en) * | 2008-09-26 | 2010-03-31 | 宝山钢铁股份有限公司 | Duplex stainless steel with pitting corrosion resistance and favourable cold temperature flexibility and manufacturing method thereof |
| CN102248147A (en) * | 2011-07-01 | 2011-11-23 | 屈志 | Novel stainless steel centrifuge revolving drum and manufacturing method thereof |
| CN102719767A (en) * | 2012-06-01 | 2012-10-10 | 宝山钢铁股份有限公司 | Economic duplex stainless steel with excellent cold forging performance and manufacturing method thereof |
| CN105349906A (en) * | 2015-11-02 | 2016-02-24 | 四川维珍石化设备有限公司 | Centrifugal casting method of super duplex stainless steel horizontal screw centrifugal separator drum |
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