CN103436662A - Steel wire quenching heat treatment method - Google Patents
Steel wire quenching heat treatment method Download PDFInfo
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- CN103436662A CN103436662A CN2013103162198A CN201310316219A CN103436662A CN 103436662 A CN103436662 A CN 103436662A CN 2013103162198 A CN2013103162198 A CN 2013103162198A CN 201310316219 A CN201310316219 A CN 201310316219A CN 103436662 A CN103436662 A CN 103436662A
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Abstract
The invention provides a steel wire quenching heat treatment method. In steel wire quenching equipment, the two sides of a conductive heating roller are provided with wire pressing rollers, tension between the steel wire and the conductive heating roller is increased, so that normal contact between the steel wire and the conductive rollers is ensured when the steel wire moves; at the same time, a certain amount of electrolyte is added into a water-bath groove, so that conductive performance of an aqueous solution is improved, and a sparking problem between the steel wire and the conductive heating roller is solved; polymeric additives with different molecular weight including acrylic acid, sodium nitrate, common salt and an emulsifier is also added into the water-bath groove, so that the generation of martensite is avoided when the steel wire passes through the water-bath groove in a low speed, and quenching effect of the steel wire is ensured; and metal pipes of pipe fittings are all connected to the ground, so as to ensure application safety, and preventing accidents from happening.
Description
One, technical field
The present invention relates to thermal treatment, particularly a kind of quenching steel wire heat treating method.
Two, background technology
Steel wire occupies very consequence in national economy, and quenching steel wire thermal treatment is very important operation in the production process of steel wire.Especially the production of middle, high-carbon silk be unable to do without thermal treatment.
The quenching steel wire heat-treating methods is a lot, and the method for quenching in hot melt lead with the retort furnace heating is T&B.At present, this method is also occupied dominant position in the Production for Steel Wire industry.The advantage of this method is that heat energy is large, the dv value can accomplish very high, output is high, body of heater is long, steel wire time in stove is long, austenitizing is abundant.Shortcoming is that local temperature is inhomogeneous in stove, thereby steel wire arrangement position in stove is different and inconsistent each steel wire properties that causes that is heated differs greatly.In addition, this method also can cause serious lead dust pollution.The thermal treatment cost is higher.
Along with the reach of science, in the production process of some extraordinary steel wires, the method that electricity consumption direct heating steel wire quenches in hot melt lead has appearred again----being referred to as the electric lead bath of card heats plumbous liquid quenching technology, is called for short the card electric furnace.
These two kinds of method differences, be the heating source difference, but quenching medium is all the liquid molten lead.The advantage of card electric furnace is that thermo-efficiency is high, and energy utilization rate is high, homogeneous heating, furnace binding are simple etc.Shortcoming is still used plumbous as quenching medium, and the Lead contamination problem still exists.Another shortcoming is to consider from secure context, and heater voltage can not be too high.This has just limited the length of heating zone, thereby has reduced the dv value of stove.
Lead is important metallic substance, and 1 ton of steel wire of every production approximately will consume 3kg lead, and the severe contamination brought due to lead dust makes a lot of workmans or resident endure slight illness to the fullest extent, and the quenching medium replacement patenting of finding cheap environmental protection is all being inquired into by each enterprise of family.
Introduction along with foreign technology, indivedual enterprises had introduced the production method (adding water-soluble additive in water) of quenching in tank with the retort furnace Heating Steel Wire in recent years, this Lead contamination problem that solved thoroughly, but this method also only limits to apply on production line that dv value (dv>60) is higher, in addition, due to the confidentiality of technology, also only limit at home at present indivedual enterprises of several families, and expense is high, be difficult to effectively apply.
three, summary of the invention
For above-mentioned situation, for overcoming the prior art defect, the present invention's purpose just is to provide a kind of quenching steel wire heat treating method, the Steel Wire Heat Treatment cost can effectively be solved high, between steel wire and conductive rollers, spark phenomenon is arranged, steel wire low speed produces martensitic problem during by water bath, the technical scheme of its solution is, steel wire is through the tensioning device tensioning, pass the ground protection sleeve pipe after tensioning, through the ground connection tensioning roller, compress again, then through the first conductive rollers, level is by the fire resistant heat preserving cover, through with the first conductive rollers after conplane parallel ground connection carrying roller, again after the second conductive rollers compresses and is sprayed by cold water pipe, enter in two the upper grooves that are communicated with water bath above water bath, cooling rapidly through two upper grooves, realize quenching steel wire, wherein said the first conductive rollers and the parallel placement of the second conductive rollers, the first conductive rollers is higher than the second conductive rollers, steel wire and the first conductive rollers, the second conductive rollers is vertically passed through, between the first conductive rollers and the second conductive rollers, heating power supply is housed, by steel wire heating, and then fast by upper groove, in water bath and in upper groove, identical cooling fluid is arranged, steel wire is cooling fast, said cooling fluid is by weight percent meter: water 97%, copper sulfate 3% forms electrolytic solution, the polymeric additive vinylformic acid 5% that adds again electrolyte weight in electrolytic solution, SODIUMNITRATE 1%, sodium-chlor 2%, OP-07 emulsifying agent 0.1% stirs and forms, said ground protection sleeve pipe, the water inlet pipe of cold water pipe and water bath all adopts the stainless steel tube of ground connection to make, guarantee electrical equipment ground connection, present device is simple, the methodological science advanced person, cost is low, non-environmental-pollution, efficiently solve between steel wire and conductive rollers spark phenomenon is arranged, steel wire low speed produces martensitic problem during by water bath, economic and social benefit is huge.
Four, accompanying drawing explanation
Fig. 1 is apparatus and process interface chart of the present invention.
Five, embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, steel wire 1 of the present invention is through tensioning device 4 tensionings, pass ground protection sleeve pipe 5 after tensioning, through ground connection tensioning roller 6, compress again, then through the first conductive rollers 7, level overlaps 8 by fire resistant heat preserving, through with the first conductive rollers 7 after conplane parallel ground connection carrying roller 9, again after the second conductive rollers 11 compresses and is sprayed by cold water pipe 10, enter in two the upper grooves 12 that are communicated with water bath above water bath 13, steel wire passes two upper grooves 12 fast with per minute 25-35m speed, cooling fast, realize that steel wire 1 quenches, wherein said the first conductive rollers 7 and the parallel placement of the second conductive rollers 11, the first conductive rollers is higher than the second conductive rollers, steel wire and the first conductive rollers, the second conductive rollers is vertically passed through, between the first conductive rollers and the second conductive rollers, heating power supply 14 is housed, steel wire heating is arrived to the 900-1020 degree, treat the abundant austenitizing of steel wire, and then pass through fast in upper groove 12 with the speed of per minute 25-35m, in water bath 13 and in upper groove 12, identical cooling fluid is arranged, steel wire is cooling fast, said cooling fluid is by weight percent meter: water 97%, copper sulfate 3% forms electrolytic solution, the polymeric additive vinylformic acid 5% that adds again electrolyte weight in electrolytic solution, SODIUMNITRATE 1%, sodium-chlor 2%, OP-07 emulsifying agent 0.1% stirs and forms, said ground protection sleeve pipe, the water inlet pipe of cold water pipe and water bath all adopts the stainless steel tube of ground connection to make, guarantee electrical equipment ground connection.
In order to guarantee the quality product of result of use and production, said tensioning device 4 is comprised of parallel 2 Wirewinding rollers and 1 the stretching roller be contained on support, 2 Wirewinding rollers parallel equidistant respectively are placed in stretching roller both sides, support line roller is higher than 2 Wirewinding rollers, in the middle of steel wire is, high both sides low pass overtension regulator 4, guarantee that steel wire passes through ground protection sleeve pipe 5, with ground connection tensioning roller 6, parallel ground connection carrying roller 9, matches, make close contact between steel wire and conductive rollers, prevent sparking; Said fire resistant heat preserving cover 8 is to build by muffle brick the long body of making; Said tensioning device 4, ground protection sleeve pipe 5, ground connection tensioning roller 6, the first conductive rollers 7, fire resistant heat preserving cover 8, parallel ground connection carrying roller 9 are contained on support 2 successively, water bath is placed in the steel wire leading-out terminal of support 2, and the second conductive rollers 11 is placed in the top of water bath 13; Shield cap 3 is arranged at support 2 tops.
By above-mentioned technique, can be found out, the present invention has adopted: 1, conduction heating roller both sides increase Wirewinding roller, increase the tension force of steel wire and conductive rollers, make steel wire remain at the volley the good contact with conductive rollers, simultaneously, add a certain amount of ionogen in water bath, improve the conductivity of the aqueous solution, efficiently solve the sparking problem between steel wire and conductive rollers; 2, due to the polymeric additive vinylformic acid, SODIUMNITRATE, sodium-chlor, the emulsifying agent that also are added with different molecular weight in water bath, effectively prevented from producing martensitic problem at steel wire low speed during by water bath, guarantee the quenching steel wire effect; 3, by the whole ground connection of each pipe fitting metal tubes, guarantee to use safety, stop the generation of accident.
After tested, intensity of steel wire and traditional lead bath after the present invention quenches there are not significant difference, the plumbous molten quenching of Toughness Ratio slightly improves, the steel wire torsion value improves 1-3 time, and fundamentally solved the plumbous phenomenon of wire peg, in production, rough Steel Wire Surface is carried to lubricant not to be required, effectively reduce the difficulty of rough Production for Steel Wire, thoroughly broken away from plumbous pollution, energy-saving and environmental protection, safety, greatly reduce production cost, 1 ton of steel wire of lead bath quenching is approximately wanted 50 yuan, and water-bath quenching expense is 5 yuan of left and right only, and economic and social benefit is huge.
Claims (8)
1. a quenching steel wire heat treating method, comprise the steps, utilize tensioning device by the steel wire tensioning, steel wire after tensioning is passed to the ground protection sleeve pipe, utilize the ground connection tensioning roller to compress described steel wire, described steel wire through the first conductive rollers level by the fire resistant heat preserving cover, through with the first conductive rollers after conplane parallel ground connection carrying roller, again after the second conductive rollers compresses and is sprayed by cold water pipe, enter in two the upper grooves that are communicated with water bath above water bath, steel wire passes two upper grooves fast with the speed of per minute 25-35m, cooling fast, realize quenching steel wire.
2. method according to claim 1, wherein, described the first conductive rollers and the parallel placement of the second conductive rollers, the first conductive rollers is higher than the second conductive rollers.
3. method according to claim 2, wherein, the direction of passage of described steel wire and the first conductive rollers, the second conductive rollers are vertical.
4. method according to claim 3, wherein, between described the first conductive rollers and the second conductive rollers, heating power supply is housed, steel wire heating is arrived to the 900-1020 degree, treat the abundant austenitizing of steel wire, and then pass through in upper groove fast with the speed of per minute 25-35m.
5. in method water bath according to claim 4 and in upper groove, identical cooling fluid is arranged, steel wire is cooling fast, said cooling fluid is by weight percent meter: water 97%, copper sulfate 3% form electrolytic solution, then in electrolytic solution, add polymeric additive vinylformic acid 5%, SODIUMNITRATE 1%, sodium-chlor 2%, the OP-07 emulsifying agent 0.1% of electrolyte weight to stir and form.
6. method according to claim 1, is characterized in that, the water inlet pipe of described ground protection sleeve pipe, cold water pipe and water bath is made by stainless material.
7. method according to claim 1; it is characterized in that; said tensioning device is comprised of parallel 2 Wirewinding rollers and 1 the stretching roller be contained on support; 2 Wirewinding rollers parallel equidistant respectively are placed in stretching roller both sides; support line roller is higher than 2 Wirewinding rollers, and high both sides low pass overtension regulator in the middle of steel wire is, guarantee that steel wire passes through the ground protection sleeve pipe; match with ground connection tensioning roller, parallel ground connection carrying roller, make close contact between steel wire and conductive rollers.
8. method according to claim 1, is characterized in that, said fire resistant heat preserving cover is to build by muffle brick the long body of making.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103162198A CN103436662A (en) | 2013-07-25 | 2013-07-25 | Steel wire quenching heat treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103162198A CN103436662A (en) | 2013-07-25 | 2013-07-25 | Steel wire quenching heat treatment method |
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| CN103436662A true CN103436662A (en) | 2013-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015197150A1 (en) * | 2014-06-24 | 2015-12-30 | TRüTZSCHLER GMBH & CO. KG | Method for tempering a clothing wire for processing textile fibres and plant therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328670Y (en) * | 1997-12-23 | 1999-07-14 | 冶金工业部包头钢铁设计研究院 | Energy saving type conductive contact bath for lead quenching of steel wire |
| CN2370022Y (en) * | 1999-04-30 | 2000-03-22 | 冶金工业部包头钢铁设计研究院 | Annealing device without electric spark |
| CN101503751A (en) * | 2009-03-26 | 2009-08-12 | 张国宝 | Power-on water-bath steel wire quenching heat treatment method |
| CN101864515A (en) * | 2010-02-10 | 2010-10-20 | 马鞍山市华利德海川科技有限公司 | Steel-wire electric-heating heat treatment device and method |
-
2013
- 2013-07-25 CN CN2013103162198A patent/CN103436662A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328670Y (en) * | 1997-12-23 | 1999-07-14 | 冶金工业部包头钢铁设计研究院 | Energy saving type conductive contact bath for lead quenching of steel wire |
| CN2370022Y (en) * | 1999-04-30 | 2000-03-22 | 冶金工业部包头钢铁设计研究院 | Annealing device without electric spark |
| CN101503751A (en) * | 2009-03-26 | 2009-08-12 | 张国宝 | Power-on water-bath steel wire quenching heat treatment method |
| CN101864515A (en) * | 2010-02-10 | 2010-10-20 | 马鞍山市华利德海川科技有限公司 | Steel-wire electric-heating heat treatment device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015197150A1 (en) * | 2014-06-24 | 2015-12-30 | TRüTZSCHLER GMBH & CO. KG | Method for tempering a clothing wire for processing textile fibres and plant therefor |
| US10344347B2 (en) | 2014-06-24 | 2019-07-09 | Truetzschler Gmbh & Co. Kg | Method of hardening a clothing wire for processing textile fibres, and apparatus system therefor |
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Application publication date: 20131211 |