CN107900612A - 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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- CN107900612A CN107900612A CN201711069066.6A CN201711069066A CN107900612A CN 107900612 A CN107900612 A CN 107900612A CN 201711069066 A CN201711069066 A CN 201711069066A CN 107900612 A CN107900612 A CN 107900612A
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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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- C21D1/18—Hardening; Quenching with or without subsequent tempering
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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Abstract
The invention discloses a kind of processing technology of large-scale two phase stainless steel rotary drum disk, including tap, smelt, 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, the technical process such as surface treatment.The size distortion for the large-scale two phase stainless steel rotary drum disk that the present invention obtains is small, high precision machining, excellent performance, can adapt to, in the rotary drum disk product needed for large-scale seperator, enable in particular to especially satisfaction and the special 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 technology
Country's starch separator is nozzle continuous discharge type disk centrifuge at present, the starch being mainly used in starch industry
Refined, pre-concentration, Protein Separation and recovery of starch etc., can be used for food, medicine, dyeization, the liquid solid two of the department such as environmental protection
Phase separation, the technical process, such as kaolin such as concentration and recovery and clarification, the recycling of paper pulp, wastewater treatment etc..China's manufacture dish-style is formed sediment
The time of powder seperator is shorter, its 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
Block, equipment runs ten days just necessary cleaning during shutdown rotary drums, can not realize three phase separation, greatly reduce equipment work efficiency.
Western developed country is more early in separation of solid and liquid area research, and also more comprehensively, completely, existing substantial amounts of business should for current technology
Example, but the product price of these companies is prohibitively expensive, trouble, expense are also relatively high again for maintenance of equipment.
The maximizing of dish-style starch separator, intelligence, the application of multifunction, high-speed high accuracy and property material are not
The development trend come, and the latest development direction of domestic starch separator, the necessarily renewal of dish-style starch separator product are changed
Generation.An importance of the stainless steel material as research dish-style starch separator update new product, is subject to many researchs
The concern of person, wherein, the processing technology of large-scale two phase stainless steel is studied, large-scale separator drum disk can be adapted to,
It is one of most important research field.
The content 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
For a kind of large-scale separator drum disk of the media such as corn oil, water, sediment separation.
A kind of processing technology of large-scale two phase stainless steel rotary drum disk, specifically includes following technical process：
(1) tap, smelt：Raw material is equipped with according to the chemical composition of known alloy, is melted using vacuum induction furnace
Smelt；
(2) cast：Slurries are cast into steel ingot,
(3) solution strengthening：Temperature is controlled to carry out solution strengthening processing to the steel ingot of above-mentioned casting at 960-1150 DEG C, Gu
Then molten enhanced time control is come out of the stove rapidly when 1-5 is small；
(4) cool down：The above-mentioned workpiece after solution strengthening is handled is carried out at cooling with the cooling velocity of 10-15 DEG C/s
Reason；
(5) pickling：The above-mentioned workpiece after cooling treatment is subjected to pickling processes；
(6) preliminary working：The above-mentioned workpiece after pickling processes is subjected to turning and thick grinding process；
(7) initial survey：Composition detection is carried out to the above-mentioned workpiece after preliminary working is handled and is examined with mechanics properties testing, rejecting
Survey underproof product；
(8) roughing：Roughing processing is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I：Average tempering processing is carried out to the above-mentioned workpiece after roughing is handled, control temperature exists
Between 1100-1200 DEG C, control soaking time is when 0.5-1 is small；
(10) semifinishing I：3-4 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated I technical process.
(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 is carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection to return
Fire processing, control temperature is between 1100-1200 DEG C, and control soaking time is when 0.5-1 is small；
(13) semifinishing II：1-2 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated II technical process；
(14) it is heat-treated III：Lonneal processing, control are carried out to the above-mentioned workpiece after semifinishing II technical process
Temperature is between 200-230 DEG C, and control soaking time is when 24-30 is small；
(15) finish：Finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal：Workpiece after handling above-mentioned finishing makes balance quality into action balance deduplication operation
Reach G6.3；
(17) it is surface-treated：The above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly including unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
Preferably, the chemical composition of known alloy is in the technical process (1)：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 is handled, and strengthened solution time is controlled when 3-4 is small, is 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 temperature is at 210 ± 10 DEG C in the technical process (14), and control soaking time is in 26-
28 it is small when；
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, excellent performance, can adapt in the rotary drum disk product needed for large-scale seperator, enable in particular to especially meet and suitable for one
The special rotary drum disk of separation equipment of the media such as kind corn oil, water, sediment.
Beneficial effects of the present invention are：Joint is using repeatedly different processing methods, including preliminary working, roughing, half essence
Processing and finishing etc., ensure that finished product has after processing all with heat treatment mode in various degree and detection project every time
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, and excellent performance, can adapt in the rotary drum disk product needed for large-scale seperator, enables in particular to especially meet and be applicable in
In a kind of special rotary drum disk of the separation equipment of the media such as corn oil, water, sediment.
Embodiment
In order to which the present invention is better described, attached embodiment is as follows.It is emphasized that embodiment is not meant to the present invention
Scope be limited in the condition of embodiment narration, 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-scale two phase stainless steel rotary drum disk, specifically includes following technical process：
(1) tap, smelt：Raw material is equipped with according to the chemical composition of known alloy, is melted using vacuum induction furnace
Smelt；
(2) cast：Slurries are cast into steel ingot,
(3) solution strengthening：Temperature is controlled to carry out solution strengthening processing to the steel ingot of above-mentioned casting at 1100 DEG C, solid solution is strong
Change time control when 3.5 is small, then come out of the stove rapidly；
(4) cool down：The above-mentioned workpiece after solution strengthening is handled is subjected to cooling treatment with the cooling velocity of 12.0 DEG C/s；
(5) pickling：The above-mentioned workpiece after cooling treatment is subjected to pickling processes；
(6) preliminary working：The above-mentioned workpiece after pickling processes is subjected to turning and thick grinding process；
(7) initial survey：Composition detection is carried out to the above-mentioned workpiece after preliminary working is handled and is examined with mechanics properties testing, rejecting
Survey underproof product；
(8) roughing：Roughing processing is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I：Average tempering processing is carried out to the above-mentioned workpiece after roughing is handled, control temperature exists
1150 DEG C, control soaking time is when 0.5 is small；
(10) semifinishing I：3.0 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated I technical process.
(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 is carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection to return
Fire processing, control temperature is between 1100 DEG C, and control soaking time is when 1.0 is small；
(13) semifinishing II：1.5 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated II technical process；
(14) it is heat-treated III：Lonneal processing, control are carried out to the above-mentioned workpiece after semifinishing II technical process
Temperature is between 210 DEG C, and control soaking time is when 26 is small；
(15) finish：Finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal：Workpiece after handling above-mentioned finishing makes balance quality into action balance deduplication operation
Reach G6.3；
(17) it is surface-treated：The above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly including unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
Embodiment 2：
A kind of processing technology of large-scale two phase stainless steel rotary drum disk, specifically includes following technical process：
(1) tap, smelt：Raw material is equipped with according to the chemical composition of known alloy, is melted using vacuum induction furnace
Smelt；
(2) cast：Slurries are cast into steel ingot,
(3) solution strengthening：Temperature is controlled to carry out solution strengthening processing to the steel ingot of above-mentioned casting at 960 DEG C, solid solution is strong
Change time control when 4.0 is small, then come out of the stove rapidly；
(4) cool down：The above-mentioned workpiece after solution strengthening is handled is subjected to cooling treatment with the cooling velocity of 15.0 DEG C/s；
(5) pickling：The above-mentioned workpiece after cooling treatment is subjected to pickling processes；
(6) preliminary working：The above-mentioned workpiece after pickling processes is subjected to turning and thick grinding process；
(7) initial survey：Composition detection is carried out to the above-mentioned workpiece after preliminary working is handled and is examined with mechanics properties testing, rejecting
Survey underproof product；
(8) roughing：Roughing processing is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I：Average tempering processing is carried out to the above-mentioned workpiece after roughing is handled, control temperature exists
1200 DEG C, control soaking time was at 50 minutes；
(10) semifinishing I：4.0 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated I technical process.
(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 is carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection to return
Fire processing, control temperature is between 1200 DEG C, and control soaking time is when 0.5 is small；
(13) semifinishing II：2.0 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated II technical process；
(14) it is heat-treated III：Lonneal processing, control are carried out to the above-mentioned workpiece after semifinishing II technical process
Temperature is between 200 DEG C, and control soaking time is when 30 is small；
(15) finish：Finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal：Workpiece after handling above-mentioned finishing makes balance quality into action balance deduplication operation
Reach G6.3；
(17) it is surface-treated：The above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly including unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
Embodiment 3：
A kind of processing technology of large-scale two phase stainless steel rotary drum disk, specifically includes following technical process：
(1) tap, smelt：Raw material is equipped with according to the chemical composition of known alloy, is melted using vacuum induction furnace
Smelt；
(2) cast：Slurries are cast into steel ingot,
(3) solution strengthening：Temperature is controlled to carry out solution strengthening processing to the steel ingot of above-mentioned casting at 1050 DEG C, solid solution is strong
Change time control when 2.0 is small, then come out of the stove rapidly；
(4) cool down：The above-mentioned workpiece after solution strengthening is handled is subjected to cooling treatment with the cooling velocity of 10.5 DEG C/s；
(5) pickling：The above-mentioned workpiece after cooling treatment is subjected to pickling processes；
(6) preliminary working：The above-mentioned workpiece after pickling processes is subjected to turning and thick grinding process；
(7) initial survey：Composition detection is carried out to the above-mentioned workpiece after preliminary working is handled and is examined with mechanics properties testing, rejecting
Survey underproof product；
(8) roughing：Roughing processing is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I：Average tempering processing is carried out to the above-mentioned workpiece after roughing is handled, control temperature exists
1100 DEG C, control soaking time is when 1.0 is small；
(10) semifinishing I：3.0 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated I technical process.
(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 is carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection to return
Fire processing, control temperature is between 1200 DEG C, and control soaking time was at 45 minutes；
(13) semifinishing II：1.0 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated II technical process；
(14) it is heat-treated III：Lonneal processing, control are carried out to the above-mentioned workpiece after semifinishing II technical process
Temperature is between 230 DEG C, and control soaking time is when 28 is small；
(15) finish：Finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal：Workpiece after handling above-mentioned finishing makes balance quality into action balance deduplication operation
Reach G6.3；
(17) it is surface-treated：The above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly including unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
Embodiment 4：
A kind of processing technology of large-scale two phase stainless steel rotary drum disk, specifically includes following technical process：
(1) tap, smelt：Raw material is equipped with according to the chemical composition of known alloy, is melted using vacuum induction furnace
Smelt；
(2) cast：Slurries are cast into steel ingot,
(3) solution strengthening：Temperature is controlled to carry out solution strengthening processing to the steel ingot of above-mentioned casting at 1150 DEG C, solid solution is strong
Change time control when 1.0 is small, then come out of the stove rapidly；
(4) cool down：The above-mentioned workpiece after solution strengthening is handled is subjected to cooling treatment with the cooling velocity of 12.0 DEG C/s；
(5) pickling：The above-mentioned workpiece after cooling treatment is subjected to pickling processes；
(6) preliminary working：The above-mentioned workpiece after pickling processes is subjected to turning and thick grinding process；
(7) initial survey：Composition detection is carried out to the above-mentioned workpiece after preliminary working is handled and is examined with mechanics properties testing, rejecting
Survey underproof product；
(8) roughing：Roughing processing is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I：Average tempering processing is carried out to the above-mentioned workpiece after roughing is handled, control temperature exists
1100 DEG C, control soaking time was at 45 minutes；
(10) semifinishing I：3.5 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated I technical process.
(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 is carried out to above-mentioned qualified workpiece after the processing of x-ray carrying out flaw detection to return
Fire processing, control temperature is between 1150 DEG C, and control soaking time is when 1.0 is small；
(13) semifinishing II：1.5 millimeters of allowance is stopped, according to set dimensional profile machining programming generation
Code, digital control processing is carried out according to the program compiled and edit to the workpiece after above-mentioned thermally treated II technical process；
(14) it is heat-treated III：Lonneal processing, control are carried out to the above-mentioned workpiece after semifinishing II technical process
Temperature is between 220 DEG C, and control soaking time is when 25 is small；
(15) finish：Finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal：Workpiece after handling above-mentioned finishing makes balance quality into action balance deduplication operation
Reach G6.3；
(17) it is surface-treated：The above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly including unhairing
Thorn, pickling, polishing etc.；
Obtain large-scale two phase stainless steel rotary drum disk.
The chemical composition of known alloy is as shown in table 1 in technical process (1) described in various embodiments of the present invention.
The mechanics properties testing result such as institute of table 2 of the obtained large-scale two phase stainless steel rotary drum disk of various embodiments of the present invention
Show.
The chemical composition (by weight percentage) of known alloy in 1 each embodiment of table
| 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 2 each embodiment of table
Claims (6)
1. a kind of processing technology of large-scale two phase stainless steel rotary drum disk, it is characterised in that specifically include following technical process：
(1) tap, smelt：Raw material is equipped with according to the chemical composition of known alloy, fusing smelting is carried out using vacuum induction furnace；
(2) cast：Slurries are cast into steel ingot,
(3) solution strengthening：Temperature is controlled to carry out solution strengthening processing to the steel ingot of above-mentioned casting at 960-1150 DEG C, solid solution is strong
Change time control when 1-5 is small, then come out of the stove rapidly；
(4) cool down：The above-mentioned workpiece after solution strengthening is handled is subjected to cooling treatment with the cooling velocity of 10-15 DEG C/s；
(5) pickling：The above-mentioned workpiece after cooling treatment is subjected to pickling processes；
(6) preliminary working：The above-mentioned workpiece after pickling processes is subjected to turning and thick grinding process；
(7) initial survey：Composition detection is carried out to the above-mentioned workpiece after preliminary working is handled and is detected not with mechanics properties testing, rejecting
Qualified product；
(8) roughing：Roughing processing is carried out to workpiece qualified after above-mentioned initial survey；
(9) it is heat-treated I：Average tempering processing is carried out to the above-mentioned workpiece after roughing is handled, control temperature is in 1100-
Between 1200 DEG C, control soaking time is when 0.5-1 is small；
(10) semifinishing I：3-4 millimeters of allowance is stopped, according to the dimensional profile machining programming code of setting, is pressed
Digital 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, control temperature is between 1100-1200 DEG C, and control soaking time is when 0.5-1 is small；
(13) semifinishing II：1-2 millimeters of allowance is stopped, according to set dimensional profile machining programming code,
Digital 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 are carried out to the above-mentioned workpiece after semifinishing II technical process
Temperature is between 200-230 DEG C, and control soaking time is when 24-30 is small；
(15) finish：Finishing processing is carried out to the workpiece after above-mentioned thermally treated III technical process；
(16) dynamic balancing duplicate removal：Workpiece after handling above-mentioned finishing reaches balance quality into action balance deduplication operation
G6.3；
(17) it is surface-treated：The above-mentioned workpiece after dynamic balancing deduplication operation is surface-treated, mainly including deburring, acid
Wash, polish；
Obtain large-scale two phase stainless steel rotary drum disk.
2. the processing technology of large-scale two phase stainless steel rotary drum disk according to claim 1, it is characterised in that the work
The chemical composition of known alloy is in skill process (1)：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 is for Fe and not
Evitable impurity.
3. the processing technology of large-scale two phase stainless steel rotary drum disk according to claim 1, it is characterised in that the work
Control temperature carries out the steel ingot of above-mentioned casting at 1050-1100 DEG C solution strengthening processing in skill process (3), during solution strengthening
Between control when 3-4 is small, then come out of the stove rapidly.
4. the processing technology of large-scale two phase stainless steel rotary drum disk according to claim 1, it is characterised in that the work
Control cooling velocity is in 12 ± 1 DEG C/s in skill process (4).
5. the processing technology of large-scale two phase stainless steel rotary drum disk according to claim 1, it is characterised in that the work
Control temperature is at 210 ± 10 DEG C in skill process (14), and control soaking time is when 26-28 is small.
6. the processing technology of large-scale two phase stainless steel rotary drum disk according to claim 1, it is characterised in that the processing
The large-scale two phase stainless steel rotary drum disk that technique obtains, it is especially suitable suitable for the rotary drum disk product needed for large-scale seperator
In corn oil, water, sediment blending agent the special rotary drum disk of separation equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI758221B (en) * | 2021-08-11 | 2022-03-11 | 中國鋼鐵股份有限公司 | Disc leveling device and method for leveling disc |
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 |
-
2017
- 2017-11-02 CN CN201711069066.6A patent/CN107900612B/en active Active
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 |
Non-Patent Citations (1)
| Title |
|---|
| 江苏省粮食厅: "《粮油机械产品样本》", 31 December 1980 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI758221B (en) * | 2021-08-11 | 2022-03-11 | 中國鋼鐵股份有限公司 | Disc leveling device and method for leveling disc |
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