CN111593194A - Novel special material online solid solution device and solid solution method thereof - Google Patents
Novel special material online solid solution device and solid solution method thereof Download PDFInfo
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- CN111593194A CN111593194A CN202010296226.6A CN202010296226A CN111593194A CN 111593194 A CN111593194 A CN 111593194A CN 202010296226 A CN202010296226 A CN 202010296226A CN 111593194 A CN111593194 A CN 111593194A
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- water
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- water tank
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- C—CHEMISTRY; METALLURGY
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
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- C—CHEMISTRY; METALLURGY
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- C—CHEMISTRY; METALLURGY
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention provides a novel special material online solid solution device and a solid solution method thereof, the device is simple to operate, high-pressure water spraying solid solution is added on the basis of the traditional solid solution process, the temperature of steel with more than one thousand degrees can be quickly reduced to within 60 degrees within 10 seconds, the strength of a steel wire is reduced by 20-40MPA, the steel wire achieves an ideal strength effect, and the refuge steel wire has too high and too hard strength. The water outlet is arranged above the starting end of the conveying roller way, so that water with the highest temperature in the water tank can be led out in time, the water temperature in the water tank is kept in a relatively low state all the time, and the steel wire solution treatment is facilitated.
Description
Technical Field
The invention relates to the technical field of heat treatment, in particular to a novel online solid solution device and an online solid solution process thereof.
Background
Solution treatment is to heat austenitic stainless steel to about 1100 deg.C to completely or substantially dissolve carbide phase, to dissolve carbon in austenite, and to rapidly cool to room temperature until carbon and other alloy elements are not precipitated, so that carbon is supersaturated. The solution treatment mainly has the following effects: the steel wire has uniform and consistent addresses and components, eliminates work hardening and recovers the inherent corrosion resistance of stainless steel.
When producing special material steel wires, the traditional solution process is to directly feed water from the steel temperature of more than one thousand ℃ for solution after finishing the rolling of finished products, however, under the process, the surface temperature of the steel cannot reach the temperature of immediate cooling, so that the steel cannot meet the preset requirements in the aspect of strength and cannot reach the effect of immediate dissolution; meanwhile, the instant cooling effect cannot be achieved by reducing the speed.
Disclosure of Invention
The invention provides a novel special material on-line solid solution device and a solid solution method thereof aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel special material online solid solution device comprises a water tank and a conveying roller way obliquely arranged in the water tank; the conveying roller way comprises a first end and a second end, the first end is located above the water surface in the water tank, the second end is located below the water surface in the water tank, and the conveying direction of the conveying roller way points to the first end from the second end; a finished steel wire inlet is arranged above the second end, a high-pressure spray header is erected above the first end, and a water outlet is formed in the side face of the water tank.
Preferably, the water outlet is arranged on one side close to the second end, so that the water flow direction in the water tank is opposite to the conveying direction of the conveying roller way.
Preferably, the water outlet is located above the second end.
Preferably, the water outlet is externally connected with a circulating cooling device, and the high-pressure spray header is connected with an outlet of the circulating cooling device.
Preferably, the water discharge amount of the water outlet is equal to the water discharge amount of the high-pressure spray pipe.
A novel solid solution method of a special material online solid solution device comprises the following steps:
s1: rolling the steel billet into a finished steel wire at 1050-;
s2: putting the finished steel wire after heat preservation into a conveying roller way in a water tank for water inlet and solid solution;
s3: carrying out high-pressure water spraying when the finished steel wire is discharged;
s4: and finishing the solid solution process to take out the finished steel wire.
Preferably, the direction of water flow in the water tank is opposite to the conveying direction of the conveying roller way from the direction of the high-pressure water pipe to the direction of the water outlet, so that the water temperature of the finished steel wire subjected to the solution treatment is lower and lower along with the conveying process of the conveying roller way.
Preferably, the solution time of the finished steel wire is 8-10 seconds.
Preferably, the water outlet leads the water with the highest temperature in the water tank out of the water tank, so as to prevent the water in the water tank from overflowing and avoid the water in the water tank from being over-heated.
Compared with the prior art, the invention has the beneficial effects that: the device is simple to operate, high-pressure water spraying is added on the basis of the traditional solid solution process for solid solution, the temperature of steel with more than one thousand degrees can be quickly reduced to within 60 degrees within 10 seconds, the strength of the steel wire is reduced by 20-40MPA, the steel wire achieves an ideal strength effect, and the refuge steel wire is too high and too hard. The water outlet is arranged above the starting end of the conveying roller way, so that water with the highest temperature in the water tank can be led out in time, the water temperature in the water tank is kept in a relatively low state all the time, and the steel wire solution treatment is facilitated.
Drawings
FIG. 1 is a schematic overall structure diagram of a novel special material online solid solution device of the invention.
FIG. 2 is a flow chart of a solution treatment method of a novel special material online solution treatment device.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of an overall structure of a novel special material online solid solution device of the present invention, and fig. 2 is a flowchart of a solid solution method of the novel special material online solid solution device of the present invention.
As shown in fig. 1, the novel special material online solid solution device according to an embodiment of the present invention includes a water tank 1 and a roller conveyor 2 obliquely disposed in the water tank 1; the rollgang 2 comprises a first end 21 and a second end 22, the first end 21 is positioned above the water surface 3 in the water tank 1, the second end 22 is positioned below the water surface 3 in the water tank 1, and the conveying direction X of the rollgang 2 points to the first end 21 from the second end 22; a finished steel wire 4 inlet Z is arranged above the second end 22, a high-pressure spray header 5 is erected above the first end 21, and a water outlet 6 is arranged on the side surface of the water tank 1.
In one embodiment, the water tank 1 is filled with cooling water, because the roller conveyor 2 inclines, the cooling water submerges the second end 22 of the conveying track and most of the roller conveyor 2 body, only the first end 21 of the roller conveyor 2 is above the cooling water, the finished steel wire 4 enters the water tank 1 from the finished product inlet of the water tank 1 above the second end 22 and falls on the second end 22 of the roller conveyor 2, the finished steel wire 4 moves to the first end 21 along with the movement of the roller conveyor 2, at the moment, the finished steel wire 4 is submerged in the cooling water for solid solution, and cold and heat transfer cooling is carried out along with the movement of the roller conveyor 2; when the finished steel wire 4 runs to the first end 21 along with the conveying roller way 2, the steel wire 4 is exposed out of the water surface 3, and high-pressure water is continuously sprayed out of the high-pressure spray header 5 to continuously spray the finished steel wire 4, so that the solid solution effect is completely achieved. Because high-pressure spray header 5 is the water filling port of water tank 1, and because the solid solution of steel wire 4 in the water tank 1, it leads to the temperature to rise to have carried out the heat transfer by steel wire 4, relatively speaking, the water that sprays out in the high-pressure spray header 5 is the minimum water of water temperature in the whole solid solution device, and the water temperature of high pressure is not only low, and the velocity of flow is fast, can contact with finished product steel wire 4 fast, and carry out cold and hot transmission, and because the velocity of flow is fast, the heat transfer is also fast, thereby can further reduce the steel temperature in short time, consequently the setting of high-pressure spray header 5, can accelerate the solid solution process, and can guarantee to dissolve the effect. In the solid solution process, because high pressure spray header 5 lasts to water injection in the water tank 1, the setting of delivery port 6 this moment can be at the solid solution in-process, and the water that carries out the subcooling heat transfer in the water tank 1 draws out water tank 1 to can prevent effectively that the water in the water tank 1 from spilling over from 1 mouthful of water tank, guarantee that the solid solution environment is clean and cool. Meanwhile, the led water can enter a cooling cycle for continuous utilization.
Preferably, the water outlet 6 is disposed at one side close to the second end 22, at this time, the high-pressure spray pipe 5 continuously sprays high-pressure water at the first end 21 as a water injection end of the water tank 1, the water outlet 6 at the second end 22 as a water outlet end, the water injection end and the water outlet end span the whole water tank 1 along the rollgang 2, and the water flow direction flows from the first end 21 to the second end 22, the finished steel wire 4 is from the second end 22 to the first end 21 along the conveying direction X of the rollgang 2, so that the water flow direction Y in the water tank 1 is opposite to the conveying direction X of the rollgang 2, the temperature of cooling water is lower and lower when the finished steel wire 4 is conveyed through the rollgang 2, and it is ensured that the solid solution effect is stronger and stronger, and the high-pressure water spray is performed.
Preferably, the delivery port 6 is located above the second end 22, because the finished steel wire 4 enters the water tank 1 from the top of the second end 22 and falls on the roller conveyor 2, the temperature of the steel wire 4 is highest at this time, and the steel wire is in contact with water and then carries out cold and heat transfer, so that the temperature of water nearby is also highest, the water with the highest temperature is located above the second end 22, the delivery port 6 is arranged above the second end 22 at this time, the water with the highest temperature in the water tank 1 can be guided out of the water tank 1 in time, and therefore the solid solution effect caused by the fact that the water in the water tank 1 is too high can be avoided.
Preferably, the water outlet 6 is externally connected with a circulating cooling device, the high-pressure spray water pipe 5 is connected with an outlet of the circulating cooling device, and the circulating cooling device is arranged to cool hot water led out from the water outlet 6 and then inject the cooled hot water into the high-pressure spray water pipe 5, so that the hot water is injected into the water tank 1 again to form water circulation, and water resources can be effectively saved.
Preferably, the water discharge of the water outlet 6 is equal to the water discharge of the high-pressure spray pipe, so that the water level in the water tank 1 is always kept at the same level, and the phenomenon that the water in the water tank 1 overflows due to the small water discharge or the water level in the water tank 1 is reduced due to the large water discharge to cause incomplete solid solution is avoided.
A novel solid solution method of a special material online solid solution device comprises the following steps:
s1: rolling the steel blank into a finished steel wire 4 at 1050-; the finished steel wire 4 meets the solid solution condition before entering water for solid solution.
S2: putting the finished steel wire 4 after heat preservation on a conveying roller table 2 in a water tank 1 for water solution; at this time, along with the advance of the rollgang 2, the finished steel wire 4 gradually approaches the water surface 3 from the deep water level until the finished steel wire is exposed out of the water surface 3, and in the process, the finished steel wire 4 and the cooling water are subjected to cold and heat transfer all the time to be subjected to solid solution.
S3: carrying out high-pressure water spraying when the finished steel wire 4 is discharged; and after the finished steel wire 4 is discharged, the finished steel wire 4 is sprayed by the continuously sprayed high-pressure water, and the finished steel wire 4 is further cooled to achieve the effect of complete solid solution.
S4: and finishing the solid solution process to take out the finished steel wire 4.
Preferably, the water flow direction Y in the water tank 1 flows from the high-pressure spray header 5 to the water outlet 6, and is opposite to the conveying direction X of the rollgang 2, so that the water temperature of the finished steel wire 4 subjected to the solution treatment is gradually lowered along with the conveying process of the rollgang 2, and the effect of gradually reducing the water temperature to cool the finished steel wire 4 is achieved, thereby effectively achieving the instant cooling.
Preferably, the solution time of the finished steel wire 4 is 8-10 seconds. Due to the addition of high-pressure water spraying, the water temperature is low, the water flow speed is high, and the finished steel wire 4 in the solid solution process can be cooled immediately, so that the cooling immediately can be effectively realized without reducing the speed of the conveying roller way 2, the finished steel wire 4 can be rapidly reduced to within 60 ℃ from a high temperature of more than one thousand degrees in the solid solution process within 8-10 seconds, the solid solution effect is completely achieved, and the strength of the steel wire 4 is ensured.
Preferably, the water outlet 6 leads the water with the highest temperature in the water tank 1 out of the water tank 1, so as to prevent the water in the water tank 1 from overflowing and avoid the water in the water tank 1 from being over-heated.
From the above, the novel special material online solid solution device is simple in operation, high-pressure water spraying solid solution is added on the basis of the traditional solid solution process, the temperature of steel with more than one thousand degrees can be quickly reduced to within 60 degrees within 10 seconds, the strength of the steel wire is reduced by 20-40MPA, the steel wire achieves an ideal strength effect, and the refuge steel wire is too high and too hard. The water outlet is arranged above the starting end of the conveying roller way, so that water with the highest temperature in the water tank can be led out in time, the water temperature in the water tank is kept in a relatively low state all the time, and the steel wire solution treatment is facilitated.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (9)
1. A novel special material online solid solution device is characterized in that: comprises a water tank and a conveying roller way obliquely arranged in the water tank; the conveying roller way comprises a first end and a second end, the first end is located above the water surface in the water tank, the second end is located below the water surface in the water tank, and the conveying direction of the conveying roller way points to the first end from the second end; a finished steel wire inlet is arranged above the second end, a high-pressure spray header is erected above the first end, and a water outlet is formed in the side face of the water tank.
2. The new and novel special material on-line solid solution device as claimed in claim 1, characterized in that: the water outlet is arranged on one side close to the second end, so that the water flow direction in the water tank is opposite to the conveying direction of the conveying roller way.
3. A novel special material on-line solid solution device according to claim 2, characterized in that: the water outlet is positioned above the second end.
4. A novel special material on-line solid solution device according to claim 3, characterized in that: the water outlet is externally connected with a circulating cooling device, and the high-pressure spray header is connected with an outlet of the circulating cooling device.
5. The novel special material online solid solution device according to claim 4, characterized in that: the water discharge of the water outlet is equal to the water discharge of the high-pressure spray pipe.
6. A solution treatment method using a novel special material on-line solution treatment device according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
s1: rolling the steel billet into a finished steel wire at 1050-;
s2: putting the finished steel wire after heat preservation into a conveying roller way in a water tank for water inlet and solid solution;
s3: carrying out high-pressure water spraying when the finished steel wire is discharged;
s4: and finishing the solid solution process to take out the finished steel wire.
7. The novel on-line solid solution method of special material as claimed in claim 6, characterized in that: the direction of water flow in the water tank flows from the high-pressure spray header to the direction of the water outlet and is opposite to the conveying direction of the conveying roller way, so that the water temperature of the finished steel wire subjected to solution treatment is lower and lower along with the conveying process of the conveying roller way.
8. The novel on-line solid solution method of special material as claimed in claim 6, characterized in that: the solid solution time of the finished steel wire is 8-10 seconds.
9. The novel on-line solid solution method of special material as claimed in claim 6, characterized in that: the water outlet leads the water with the highest temperature in the water tank out of the water tank, so that the water in the water tank is prevented from overflowing, and the water in the water tank can be prevented from being over-heated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010296226.6A CN111593194A (en) | 2020-04-15 | 2020-04-15 | Novel special material online solid solution device and solid solution method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010296226.6A CN111593194A (en) | 2020-04-15 | 2020-04-15 | Novel special material online solid solution device and solid solution method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100132854A1 (en) * | 2006-10-03 | 2010-06-03 | Cola Jr Gary M | Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Articles Resulting Therefrom |
| CN206052077U (en) * | 2016-08-25 | 2017-03-29 | 江苏泰富恒通特种材料有限公司 | A kind of gren rod on-line solution water tank device |
| CN207659491U (en) * | 2017-12-21 | 2018-07-27 | 青岛天赢智能工业股份有限公司 | Stainless steel solution treatment equipment |
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2020
- 2020-04-15 CN CN202010296226.6A patent/CN111593194A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100132854A1 (en) * | 2006-10-03 | 2010-06-03 | Cola Jr Gary M | Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Articles Resulting Therefrom |
| CN206052077U (en) * | 2016-08-25 | 2017-03-29 | 江苏泰富恒通特种材料有限公司 | A kind of gren rod on-line solution water tank device |
| CN207659491U (en) * | 2017-12-21 | 2018-07-27 | 青岛天赢智能工业股份有限公司 | Stainless steel solution treatment equipment |
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