CN1070950A - Welding wire medium-frequency induction furnace recrystallization annealing process and equipment - Google Patents
Welding wire medium-frequency induction furnace recrystallization annealing process and equipment Download PDFInfo
- Publication number
- CN1070950A CN1070950A CN92106264A CN92106264A CN1070950A CN 1070950 A CN1070950 A CN 1070950A CN 92106264 A CN92106264 A CN 92106264A CN 92106264 A CN92106264 A CN 92106264A CN 1070950 A CN1070950 A CN 1070950A
- Authority
- CN
- China
- Prior art keywords
- welding wire
- frequency induction
- induction furnace
- recrystallization annealing
- medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
A kind of welding wire intermediate frequency furnace recrystallization annealing process and equipment are specially adapted to the middle recrystallization annealing operation of work in-process welding wire.Steps such as the cleaning of its collection welding wire, heating, insulation, cooling are a production line, and finish while advancing in a set of equipment, and the processing cycle only was 50～90 seconds.In operational process, can produce protective atmosphere naturally in the stove, so the oxidational losses phenomenon does not take place welding wire.Because adopt the ruhmkorff coil heating, welding wire itself is a heating element, so energy utilization rate height, environmental nonpollution in process of production.This Processes and apparatus layout is compact, equipment is simple, can realize control automatically, and floor space is few, and is cheap.
Description
The present invention relates to a kind of welding wire intermediate frequency furnace recrystallization annealing process and equipment, be specially adapted to carbon steel and draw the recrystallization annealing treatment process before rough back, the finish draw in the process of dialling with gas protecting welding wire.Characteristics such as have the technology advanced person, functions of the equipments are complete, activity time is short, save the energy, welding wire recrystallization annealing performance is good.
In the welding wire production process, because cold group effect will produce hardening phenomenon in its work in-process, this hardening phenomenon needs to eliminate, and reaches the predetermined strength value to adapt to the needs that continue processing.The middle recrystallization annealing process of welding wire and equipment are provided with for satisfying above-mentioned production requirement.
Before the present invention made, conventional welding wire process annealing all adopts pit furnace to carry out Full Annealing or Spheroidizing Annealing is handled.It is that work in-process welding wire volume is hung on the specific carriage, again carriage is placed in the annealing cylinder, then it is packed into and give heat in the preheating pit furnace to 350 ℃, the back hangs out in giving hot stove the shift-in heating pit furnace again and is heated to 700～800 ℃, and in process furnace, be incubated 2 hours, also need enter the interior slow cooling of burial pit after coming out of the stove to room temperature.So each processing cycle, each treatment capacity was 1～1.5 ton more than 6.5 hours.Metallographic structure after the processing is that ferrite adds lamellar pearlite, intensity rank is poor≤and 49Mpa.In order to reduce the amount of oxidation of welding wire surface, need in stove, to feed nitrogen during heating and protected.Welding wire after the processing also need carry out mechanical rust removal or pickling before entering water tank drawbench to carry out finish draw.Adopt this Processes and apparatus that welding wire is annealed, welding wire surface is of poor quality, poker characteristic is bad, energy consumption is high, the complicated operation cycle is long, occupation area of equipment is big and to environment pollution is arranged, automatization level is low, investment cost is high.
At above-mentioned situation, the present invention proposes a kind of welding wire intermediate frequency furnace recrystallization annealing process and equipment, and it is that steps such as collection cleaning, heating, insulation, controlled chilling are a streamline, and finishes on a set of equipment inner edge limit of advancing.Whole process only needs 50～90 seconds (according to the welding wire line through different and different), and the power consumption of ton steel has only 1/5 of pit furnace.Naturally produce protective atmosphere in the treating processes in the stove; make few oxidation of welding wire surface or not oxidation; the welding wire of handling with Processes and apparatus of the present invention is heated evenly; poker characteristic is good, and its metallographic structure is the duplex structure that ferrite adds the island phase, draws group performance splendid; do not produce flue dust in the treating processes in the stove; environmentally safe, and equipment is simple, and cheap.
Welding wire intermediate frequency furnace recrystallization annealing process of the present invention is shown in the curve of accompanying drawing 1.Its equipment as shown in Figure 2, mainly by medium-frequency induction furnace, rinse bath, soap lye groove and put, take-up unit etc. forms.The Medium frequency induction furnace body is formed by three sections, be heating zone (1), holding-zone (2) and cooling section (3), the other guide of whole plant is unwrapping wire unit (4), Wirewinding roller (5) (8), separated time roller (6) (7), unwrapping wire unit (9), soap lye groove (10), rinse bath (11), induction line chart (12), guide wheel (13), high temperature thorax pipe (14), furnace tube (15), refractory materials (16), water coolant (17), welding wire (18), ring flange (19), intermediate frequency power supply cabinet (20), building-out capacitor cabinet (21) etc.
The foregoing and the characteristics of welding wire intermediate frequency furnace recrystallization annealing process of the present invention and equipment, specify as follows in conjunction with the accompanying drawings and embodiments, this summary of the invention uses on Anshan iron and steel plant factory welding wire shop production line, the steps include: that the work in-process welding wire emitted with 6～14 meters/minute speed by thread supplying machine group (4), be pressed in the hot water rinse bath (11) through Wirewinding roller (5) again and clean, after being arranged in four band shapes (6～8 of every bundles are emitted 24～32 altogether), separated time roller (6) enters medium-frequency induction furnace.Go into the welding wire sensed heating in guide wheel (13) imports ruhmkorff coil (12) behind the stove, in heating zone (1) through t
1Be heated to 700 ℃ second, is incubated t again
2Enter holding-zone (2) after second, at holding-zone (2) operation t
3Second back welding wire temperature will be reduced to 680 ℃ by 700 ℃, after enter cooling section (3), be connected with the water coolant of controlled variable in the cooling section (3), welding wire is at this section operation t
4Second, temperature is come out of the stove after dropping to 460 ℃ by 680 ℃.Welding wire after coming out of the stove is pressed in the soap lye groove (10) through separated time roller (7), Wirewinding roller (8) again.So far, welding wire is reduced to room temperature, is rolled by take-up unit (9) at last.
T described in accompanying drawing 1 and the literary composition
1=8～14 seconds, t
2=5～8 seconds, t
3=33～56 seconds, t
4=7～12 seconds.Thereby just constituted the processing cycle and be 50～90 seconds time.
The performance index contrast of the work in-process welding wire of Φ 2.6 being carried out recrystallization annealing with diverse ways as shown in Table 1.
Performance index synopsis table one
By table one as can be seen, the work in-process welding wire of handling with Processes and apparatus of the present invention can not only satisfy and pulls on the needs of dialling, and is superior to additive method on integrated performance index.
Medium-frequency induction furnace frequency among the present invention is 4000HZ, and peak power output is 250KW, and the input of electric power is finished by intermediate frequency power supply cabinet (20), building-out capacitor cabinet (21).The stove body is the bow type, and holding-zone (2) is in the high-order bit of body of heater, helps shielding gas like this and retains in this section, also makes welding wire be subjected to tension state simultaneously, to keep welding wire proper alignment in stove.Why can produce shielding gas in the stove; be because welding wire enters the stokehold through rinse bath (11); make welding wire surface band water; enter the sensed heating of welding wire in the ruhmkorff coil and make the surface water evaporation; high-temperature water vapor resolves into hydrogen and oxygen under the effect of electromagnetic field; the wire drawing powder (hydrocarbon polymer) of oxygen and welding wire surface reacts and consumes, and the hydrogen of enrichment becomes the shielding gas in the body of heater, makes not oxidation of welding wire.When equipment moved, what of the size of the receipts speed of putting of welding wire, power output and cooling water inflow will be set according to the outside dimension of welding wire, and realize control automatically.Because adopt Frequency Induction Heating, welding wire itself is a heating element, so thermo-efficiency can reach more than 80%,, fill with refractory materials (16) in the furnace tube (15) and the space of furnace shell in order further to prevent heat diffusion, advantageously save and utilized the energy.
Claims (5)
1, a kind of welding wire medium-frequency induction furnace recrystallization annealing process, the major equipment of using has medium-frequency induction furnace and unwrapping wire unit (4), take-up unit (9), soap lye groove (10), rinse bath (11) etc., it is characterized in that it is with unwrapping wire unit (4), rinse bath (11), medium-frequency induction furnace and soap lye groove (10), the arrangement of take-up unit (9) in-line, constitute a flow production line, make work in-process welding wire (18) in equipment, finish the whole process of recrystallization annealing while advancing.
2, a kind of welding wire recrystallization annealing medium-frequency induction furnace, mainly form by heating zone (1), holding-zone (2), cooling section (3), it is characterized in that heating zone (1), holding-zone (2), flat the crouching of cooling section (3) are connected as a single entity, and holding-zone (2) is placed in the middle and be higher than other two sections, forms a bow-shaped structural.
3, according to claim 1 and claim 2 described welding wire medium-frequency induction furnace recrystallization annealing process and medium-frequency induction furnace, the gait of march that it is characterized in that work in-process welding wire (18) is 6～14 meters/minute, and operation 13～22 seconds in the heating zone (1) of medium-frequency induction furnace, operation 33～56 seconds in holding-zone (2), moves 7～12 seconds in cooling section (3).
4, welding wire recrystallization annealing medium-frequency induction furnace according to claim 2 is characterized in that being equipped with in the heating zone (1) ruhmkorff coil (12), and by ruhmkorff coil to work in-process welding wire (18) induction heating.
5, welding wire recrystallization annealing medium-frequency induction furnace according to claim 2 is characterized in that being connected with in the cooling section (3) water coolant of controlled variable, finishes the function that cools to work in-process welding wire (18) by controlled chilling discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92106264A CN1070950A (en) | 1992-06-18 | 1992-06-18 | Welding wire medium-frequency induction furnace recrystallization annealing process and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92106264A CN1070950A (en) | 1992-06-18 | 1992-06-18 | Welding wire medium-frequency induction furnace recrystallization annealing process and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1070950A true CN1070950A (en) | 1993-04-14 |
Family
ID=4941955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92106264A Pending CN1070950A (en) | 1992-06-18 | 1992-06-18 | Welding wire medium-frequency induction furnace recrystallization annealing process and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1070950A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603164B (en) * | 2009-07-20 | 2010-12-08 | 长沙南方钽铌有限责任公司 | Vacuum annealing method for tantalum tube |
| CN102965479A (en) * | 2012-12-10 | 2013-03-13 | 南京理工大学 | Method for quickly preparing high-corrosion-resistance austenitic stainless steel surface layer |
| CN103397170A (en) * | 2013-08-22 | 2013-11-20 | 西北有色金属研究院 | Atmosphere protective high-frequency induction heating and continuous annealing method and device for tube stocks and wire rods |
| CN101468353B (en) * | 2007-12-28 | 2014-05-21 | 李俊德 | Ultrasonic cleaner and annealing treatment equipment with the ultrasonic cleaner |
| CN104694732A (en) * | 2015-03-20 | 2015-06-10 | 江苏金基特钢有限公司 | Steel wire induction-heating device |
| CN105219941A (en) * | 2014-06-27 | 2016-01-06 | 上海申光高强度螺栓有限公司 | The heat treated equipment of large gauge bolt intermediate frequency and the heat treating method adopting it |
-
1992
- 1992-06-18 CN CN92106264A patent/CN1070950A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468353B (en) * | 2007-12-28 | 2014-05-21 | 李俊德 | Ultrasonic cleaner and annealing treatment equipment with the ultrasonic cleaner |
| CN101603164B (en) * | 2009-07-20 | 2010-12-08 | 长沙南方钽铌有限责任公司 | Vacuum annealing method for tantalum tube |
| CN102965479A (en) * | 2012-12-10 | 2013-03-13 | 南京理工大学 | Method for quickly preparing high-corrosion-resistance austenitic stainless steel surface layer |
| CN102965479B (en) * | 2012-12-10 | 2014-09-17 | 南京理工大学 | Method for quickly preparing high-corrosion-resistance austenitic stainless steel surface layer |
| CN103397170A (en) * | 2013-08-22 | 2013-11-20 | 西北有色金属研究院 | Atmosphere protective high-frequency induction heating and continuous annealing method and device for tube stocks and wire rods |
| CN105219941A (en) * | 2014-06-27 | 2016-01-06 | 上海申光高强度螺栓有限公司 | The heat treated equipment of large gauge bolt intermediate frequency and the heat treating method adopting it |
| CN104694732A (en) * | 2015-03-20 | 2015-06-10 | 江苏金基特钢有限公司 | Steel wire induction-heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201144263Y (en) | Steel bar quenching and high temperature tempering production line | |
| CN100537792C (en) | Technique for induction heating steel rod tempering heat treatment | |
| CN101775478B (en) | Gear ring nitrogen protection continuous type normalizing process | |
| CN104694844B (en) | Production method of X65M pipeline steel | |
| CN106048389A (en) | Production method of non-oriented electrical steel 50W800 by traditional hot continuous rolling process | |
| CN1070950A (en) | Welding wire medium-frequency induction furnace recrystallization annealing process and equipment | |
| CN108531920A (en) | A kind of pre-treating technology of hydraulic plunger workpiece | |
| CN100447261C (en) | Continuous annealing furnace to utilize afterheat of strip steel in the same casing | |
| CN101086056B (en) | Quick annealing method for titanium seamless pipe | |
| CN208234942U (en) | A kind of fusion reactor large scale fine grain component | |
| CN215328254U (en) | Heat treatment device for copper-plated steel strip | |
| CN113584494B (en) | Low-consumption high-efficiency normalized pickling process and pickling equipment for silicon steel | |
| CN214348630U (en) | Energy-conserving efficient metal wire hot rolling production line | |
| CN107876564A (en) | A kind of ferrite rolling control device and its control technique | |
| CN105200311A (en) | 4J42 alloy wire for discharge tube electrode and production method thereof | |
| CN2270054Y (en) | IF induction annealing device for galvanized wire | |
| CN1085734C (en) | Process for treatment of precision bright seamless steel tube | |
| CN207577126U (en) | A kind of ferrite rolling control system | |
| WO2019057116A1 (en) | Hot-rolling online movable thermal insulation heat treatment process, and heat treatment line | |
| JPS5446118A (en) | Preparation of steel wire rod generating small amount of scale | |
| CN210261864U (en) | Surrounding water jacket for cooling workpiece | |
| CN204198809U (en) | A kind of light gage wire normalizing device | |
| CN210657022U (en) | Heat treatment electric furnace | |
| CN215991263U (en) | Multistation car oil pipe induction heating equipment | |
| CN210974821U (en) | Heat treatment furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |