CN107619903A - A kind of high efficiency feeds silk spheroidizing process - Google Patents
A kind of high efficiency feeds silk spheroidizing process Download PDFInfo
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- CN107619903A CN107619903A CN201710891334.6A CN201710891334A CN107619903A CN 107619903 A CN107619903 A CN 107619903A CN 201710891334 A CN201710891334 A CN 201710891334A CN 107619903 A CN107619903 A CN 107619903A
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- carried out
- cooled
- spheroidizing process
- high efficiency
- desulfurization
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Abstract
The present invention relates to a kind of high efficiency to feed silk spheroidizing process, and its preparation method is as follows：A, dissolve, B, shaping, C, solidification.Present invention process is simple, and automaticity is high, can reach higher Oxygen potential, improve product quality and production efficiency, and technique is more stable, efficient, and more economical, environmental protection improves product quality.
Description
Technical field
The present invention relates to processing technology field, and in particular to a kind of high efficiency feeds silk spheroidizing process.
Background technology
It is currently one of state-of-the-art spheriodization process thereof to feed silk spheroidizing process, may replace in original technique and pours method,
It is original to pour method not only in the existing certain limitation of technical elements, and the energy is wasted, not environmentally, the product quality of production is not
Height, low production efficiency, and feeding silk spheroidizing process can set different products to feed silk parameter according to the specific different qualities of product, reach
To best effect.
The content of the invention
A kind of high efficiency is provided and feeds silk spheroidizing process the invention aims to overcome the shortcomings of the above.
Technical scheme includes：A kind of high efficiency feeds silk spheroidizing process, and its preparation method is as follows：
A, raw material is put into cold blast cupola and dissolved, temperature is set to 1500-1700 DEG C, is carried out by protective gas of helium
To advertise, flow 15-20L/min, conversion to continuous desulfurization device carries out multiple desulfurization after dissolving, its sulfur content is controlled in≤
0.03%, then put into medium-frequency induction furnace and heated, power is set to 750KW,；
B, steel band is used to wrap up the material additive for being broken into certain granules wherein with core cabling wire machine, parcel, which turns into one, to be had
The alloy claded wire of random length, is put into threads feeding apparatus, and the bottom of molten iron processing bag, makes parcel material in feeding step A
Expect to be reacted with iron liquid in the bottom of processing bag, spheroidizing process occurs, and reach desulfurization, nodularization, breed, composition tune
Whole, temperature remains 1450-1650 DEG C；
C, the nodularization product in step B is subjected to chilling, cooled with 20-30 DEG C/min speed, when being cooled to 800-850 DEG C
Isothermal holding is carried out, reducing temperature twice is carried out with 10-15 DEG C/min speed after 15-20min, when being cooled to 300-380 DEG C, forged
Make, hot rolling treatment, stress 350-400N/cm2, be fixed shaping, and surface is processed by shot blasting, roughness ＜ Ra0.4, is adopted
Analysis inner structure element is carried out with quick Metallographic Analysis instrument, is weighed after the completion of detection, is packed after meeting standard.
Beneficial effects of the present invention：Present invention process is simple, and automaticity is high, can reach higher Oxygen potential, carry
High yield quality and production efficiency, technique is more stable, efficient, and more economical, environmental protection improves product quality.
Embodiment：
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and the embodiment is only used
In explaining the present invention, it is not intended to limit the scope of the present invention..
Embodiment 1
A kind of high efficiency feeds silk spheroidizing process, and its preparation method is as follows：
A, raw material being put into cold blast cupola and dissolved, temperature is set to 1550 DEG C, is advertised by protective gas of helium,
Flow is 18L/min, and conversion to continuous desulfurization device carries out multiple desulfurization after dissolving, and its sulfur content is controlled in into≤0.03%, then
Being put into medium-frequency induction furnace and heated, power is set to 750KW,；
B, steel band is used to wrap up the material additive for being broken into certain granules wherein with core cabling wire machine, parcel, which turns into one, to be had
The alloy claded wire of random length, is put into threads feeding apparatus, and the bottom of molten iron processing bag, makes parcel material in feeding step A
Expect to be reacted with iron liquid in the bottom of processing bag, spheroidizing process occurs, and reach desulfurization, nodularization, breed, composition tune
Whole, temperature remains 1550 DEG C；
C, the nodularization product in step B is subjected to chilling, is cooled with 25 DEG C/min speed, protected when being cooled to 830 DEG C
Temperature is handled, and is carried out reducing temperature twice with 14 DEG C/min speed after 16min, when being cooled to 360 DEG C, is forged, hot rolling treatment, stress
For 380N/cm2, be fixed shaping, and surface is processed by shot blasting, roughness ＜ Ra0.4, is carried out using quick Metallographic Analysis instrument
Inner structure element is analyzed, is weighed after the completion of detection, is packed after meeting standard.
Embodiment 2
A kind of high efficiency feeds silk spheroidizing process, and its preparation method is as follows：
A, raw material being put into cold blast cupola and dissolved, temperature is set to 1700 DEG C, is advertised by protective gas of helium,
Flow is 20L/min, and conversion to continuous desulfurization device carries out multiple desulfurization after dissolving, and its sulfur content is controlled in into≤0.03%, then
Being put into medium-frequency induction furnace and heated, power is set to 750KW,；
B, steel band is used to wrap up the material additive for being broken into certain granules wherein with core cabling wire machine, parcel, which turns into one, to be had
The alloy claded wire of random length, is put into threads feeding apparatus, and the bottom of molten iron processing bag, makes parcel material in feeding step A
Expect to be reacted with iron liquid in the bottom of processing bag, spheroidizing process occurs, and reach desulfurization, nodularization, breed, composition tune
Whole, temperature remains 1650 DEG C；
C, the nodularization product in step B is subjected to chilling, is cooled with 30 DEG C/min speed, protected when being cooled to 850 DEG C
Temperature is handled, and is carried out reducing temperature twice with 15 DEG C/min speed after 20min, when being cooled to 300 DEG C, is forged, hot rolling treatment, by
Power is 400N/cm2, be fixed shaping, and surface is processed by shot blasting, roughness ＜ Ra0.4, is entered using quick Metallographic Analysis instrument
Row analysis inner structure element, is weighed after the completion of detection, is packed after meeting standard.
Embodiment 3
A kind of high efficiency feeds silk spheroidizing process, and its preparation method is as follows：
A, raw material being put into cold blast cupola and dissolved, temperature is set to 1700 DEG C, is advertised by protective gas of helium,
Flow is 15L/min, and conversion to continuous desulfurization device carries out multiple desulfurization after dissolving, and its sulfur content is controlled in into≤0.03%, then
Being put into medium-frequency induction furnace and heated, power is set to 750KW,；
B, steel band is used to wrap up the material additive for being broken into certain granules wherein with core cabling wire machine, parcel, which turns into one, to be had
The alloy claded wire of random length, is put into threads feeding apparatus, and the bottom of molten iron processing bag, makes parcel material in feeding step A
Expect to be reacted with iron liquid in the bottom of processing bag, spheroidizing process occurs, and reach desulfurization, nodularization, breed, composition tune
Whole, temperature remains 1450 DEG C；
C, the nodularization product in step B is subjected to chilling, is cooled with 30 DEG C/min speed, protected when being cooled to 800 DEG C
Temperature is handled, and is carried out reducing temperature twice with 10 DEG C/min speed after 15min, when being cooled to 380 DEG C, is forged, hot rolling treatment, stress
For 350N/cm2, be fixed shaping, and surface is processed by shot blasting, roughness ＜ Ra0.4, is carried out using quick Metallographic Analysis instrument
Inner structure element is analyzed, is weighed after the completion of detection, is packed after meeting standard.
Embodiment 4
A kind of high efficiency feeds silk spheroidizing process, and its preparation method is as follows：
A, raw material being put into cold blast cupola and dissolved, temperature is set to 1650 DEG C, is advertised by protective gas of helium,
Flow is 18L/min, and conversion to continuous desulfurization device carries out multiple desulfurization after dissolving, and its sulfur content is controlled in into≤0.03%, then
Being put into medium-frequency induction furnace and heated, power is set to 750KW,；
B, steel band is used to wrap up the material additive for being broken into certain granules wherein with core cabling wire machine, parcel, which turns into one, to be had
The alloy claded wire of random length, is put into threads feeding apparatus, and the bottom of molten iron processing bag, makes parcel material in feeding step A
Expect to be reacted with iron liquid in the bottom of processing bag, spheroidizing process occurs, and reach desulfurization, nodularization, breed, composition tune
Whole, temperature remains 1600 DEG C；
C, the nodularization product in step B is subjected to chilling, is cooled with 25 DEG C/min speed, protected when being cooled to 820 DEG C
Temperature is handled, and is carried out reducing temperature twice with 15 DEG C/min speed after 15min, when being cooled to 360 DEG C, is forged, hot rolling treatment, stress
For 370N/cm2, be fixed shaping, and surface is processed by shot blasting, roughness ＜ Ra0.4, is carried out using quick Metallographic Analysis instrument
Inner structure element is analyzed, is weighed after the completion of detection, is packed after meeting standard.
In above example, embodiment 4 is most preferred embodiment, and iron liquid cooling is small, and viscosity is small, and purity is high, improves product matter
Amount.
Explanation embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the technology of this area
For personnel, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in
Within protection scope of the present invention.
Claims (1)
1. a kind of high efficiency feeds silk spheroidizing process, it is characterised in that：Its preparation method is as follows：
A, raw material is put into cold blast cupola and dissolved, temperature is set to 1500-1700 DEG C, is carried out by protective gas of helium
To advertise, flow 15-20L/min, conversion to continuous desulfurization device carries out multiple desulfurization after dissolving, its sulfur content is controlled in≤
0.03%, then put into medium-frequency induction furnace and heated, power is set to 750KW,；
B, steel band is used to wrap up the material additive for being broken into certain granules wherein with core cabling wire machine, parcel, which turns into one, to be had
The alloy claded wire of random length, is put into threads feeding apparatus, and the bottom of molten iron processing bag, makes parcel material in feeding step A
Expect to be reacted with iron liquid in the bottom of processing bag, spheroidizing process occurs, and reach desulfurization, nodularization, breed, composition tune
Whole, temperature remains 1450-1650 DEG C；
C, the nodularization product in step B is subjected to chilling, cooled with 20-30 DEG C/min speed, when being cooled to 800-850 DEG C
Isothermal holding is carried out, reducing temperature twice is carried out with 10-15 DEG C/min speed after 15-20min, when being cooled to 300-380 DEG C, forged
Make, hot rolling treatment, stress 350-400N/cm2, be fixed shaping, and surface is processed by shot blasting, roughness ＜ Ra0.4, is adopted
Analysis inner structure element is carried out with quick Metallographic Analysis instrument, is weighed after the completion of detection, is packed after meeting standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891334.6A CN107619903A (en) | 2017-09-27 | 2017-09-27 | A kind of high efficiency feeds silk spheroidizing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891334.6A CN107619903A (en) | 2017-09-27 | 2017-09-27 | A kind of high efficiency feeds silk spheroidizing process |
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| CN107619903A true CN107619903A (en) | 2018-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842811A (en) * | 2020-03-09 | 2020-10-30 | 山东常林铸业有限公司 | Method for setting spheroidizing parameters of wire feeding spheroidizing process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316564A (en) * | 2015-06-08 | 2016-02-10 | 天津达祥精密工业有限公司 | High-nickel austenite nodular cast iron production process adopting wire-feeding spheroidizing |
| CN105331874A (en) * | 2015-09-26 | 2016-02-17 | 山东惠宇精密机械有限公司 | Spheroidal graphite cast iron cast gear and machining process thereof |
| CN106319129A (en) * | 2015-06-26 | 2017-01-11 | 姜蕾 | Short-process manufacturing method for producing casting for wind power generation equipment |
-
2017
- 2017-09-27 CN CN201710891334.6A patent/CN107619903A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105316564A (en) * | 2015-06-08 | 2016-02-10 | 天津达祥精密工业有限公司 | High-nickel austenite nodular cast iron production process adopting wire-feeding spheroidizing |
| CN106319129A (en) * | 2015-06-26 | 2017-01-11 | 姜蕾 | Short-process manufacturing method for producing casting for wind power generation equipment |
| CN105331874A (en) * | 2015-09-26 | 2016-02-17 | 山东惠宇精密机械有限公司 | Spheroidal graphite cast iron cast gear and machining process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842811A (en) * | 2020-03-09 | 2020-10-30 | 山东常林铸业有限公司 | Method for setting spheroidizing parameters of wire feeding spheroidizing process |
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Application publication date: 20180123 |
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