CN201737983U - Bainite and martensite multiphase quenching system of steel belt - Google Patents
Bainite and martensite multiphase quenching system of steel belt Download PDFInfo
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- CN201737983U CN201737983U CN 201020225809 CN201020225809U CN201737983U CN 201737983 U CN201737983 U CN 201737983U CN 201020225809 CN201020225809 CN 201020225809 CN 201020225809 U CN201020225809 U CN 201020225809U CN 201737983 U CN201737983 U CN 201737983U
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- steel band
- roller
- water flowing
- steel belt
- join
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Abstract
The utility model provides a bainite and martensite multiphase quenching system of a steel belt, which comprises a coil sending wheel, a coil receiving wheel and the steel belt arranged between the coil sending wheel and the coil receiving wheel, wherein a heating device, a first quenching device, a constant temperature device, a second quenching device and a tempering furnace which correspond to the steel belt are sequentially arranged between the coil sending wheel and the coil receiving wheel. The utility model can realize the bainite and martensite multiphase quenching of the steel belt, can improve the hardness and the toughness of the steel belt, and can improve the fatigue resistance intensity and the friction resistance strength of the steel belt, so the service life of the steel belt product is prolonged.
Description
Technical field
The utility model relates to steel band thermal treatment field, is specifically related to a kind of shellfish horse complex phase quench systems of steel band.
Background technology
Tempering became troostite after steel band generally all adopted marquench at present, though this steel band is rigid good, toughness is not enough, brittle failure easily.Along with the development of Materials science and the people raising to material requirements, the steel band of troostite has not satisfied the requirement of existing steel band product.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of shellfish horse complex phase quench systems of steel band, the shellfish horse complex phase that can realize steel band quenches, improve the rigid and toughness of steel band, make the fatigue resistance of steel band and rub resistance intensity improve, thereby improved the work-ing life of steel band goods.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: a kind of shellfish horse complex phase quench systems of steel band, comprise hai roll wheel, winding wheel, be located at the steel band between hai roll wheel and the winding wheel, be provided with the heating unit corresponding, first quenching device, thermostat, second quenching device, tempering stove successively between described hai roll wheel and the winding wheel with steel band.
As preferably, be provided with at least one group electrode group corresponding in the described heating unit with steel band, described electrode group comprises the first main graphite roller that is located at steel band below and steel band and joins, be located at the two first little graphite rollers that steel band top and steel band join, the described first main graphite roller and the two first corresponding steel bands that compress of gravelstone ink roller, the described first main graphite roller and first brush join, described first brush links to each other with first transformer, and described heating unit is provided with first temperature measurer.The steel band heating of directly switching on, its thermo-efficiency can be brought up to more than 90%, and first temperature measurer is used to test the Heating temperature of steel band, makes things convenient for temperature control.
As preferably, be provided with the water flowing set of the rolls corresponding in described first quenching device with steel band, described water flowing set of the rolls comprises the big water flowing roller that is located at steel band top and steel band and joins, be located at three little water flowing rollers that steel band below and steel band join, described big water flowing roller and three corresponding steel bands that compress of little water flowing roller.Roller and steel band are rolling resistance, can not pull steel strip surface, and structure is also fairly simple.
As preferably, the both sides of described thermostat are provided with the two arrays of electrodes group, described electrode group comprises the second main graphite roller that is located at steel band below and steel band and joins, be located at the two second little graphite rollers that steel band top and steel band join, the described second main graphite roller and the two second corresponding steel bands that compress of gravelstone ink roller, the described second main graphite roller and second brush join, described second brush links to each other with second transformer, the front portion of described thermostat is provided with second temperature measurer, and the rear portion of described thermostat is provided with the 3rd temperature measurer.The steel band adjusting size of current of directly switching on, the heat that the electric current heating is produced equals the heat of steel band loss just, thereby reaches thermal equilibrium, keeps constant temperature, and the 3rd temperature measurer is used to test thermostat temperature, is convenient to temperature control.
As preferably, described tempering stove front portion is provided with the 4th temperature measurer, and the tempering stove rear portion is provided with the 5th temperature measurer.The 4th temperature measurer is used for test through steel band refrigerative temperature behind the second water flowing pressing plate quenching device, and the 5th temperature measurer is used to test furnace temperature, is convenient to temperature control.
Beneficial effect:
The utility model adopts technique scheme that a kind of shellfish horse complex phase quench systems of steel band is provided, the shellfish horse complex phase of having realized steel band quenches, improved the rigid and toughness of steel band, made the fatigue resistance of steel band and rub resistance intensity improve, thereby improved the work-ing life of steel band goods.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of heating unit in the utility model;
Fig. 3 is the structural representation of first quenching device in the utility model;
Fig. 4 is the structural representation of thermostat in the utility model.
Embodiment
As shown in Figures 1 to 4, a kind of shellfish horse complex phase quench systems of steel band, comprise hai roll wheel 2, winding wheel 13, be located at the steel band 1 between hai roll wheel 2 and the winding wheel 13, described hai roll take turns 2 with winding wheel 13 between be provided with heating unit 3, first quenching device 4, thermostat 5, second quenching device 6, the tempering stove 7 corresponding successively with steel band 1.Be provided with at least one group electrode group corresponding in the described heating unit 3 with steel band 1, described electrode group comprises the first main graphite roller 14 that is located at steel band 1 below and steel band 1 and joins, be located at the two first gravelstone ink rollers 15 that steel band 1 top and steel band 1 join, the described first main graphite roller 14 and two first gravelstone ink rollers, the 15 corresponding steel bands 1 that compress, the described first main graphite roller 14 and first brush 16 join, described first brush 16 links to each other with first transformer 17, and described heating unit 3 is provided with first temperature measurer 8.Be provided with the water flowing set of the rolls corresponding in described first quenching device 4 with steel band 1, described water flowing set of the rolls comprises the big water flowing roller 18 that is located at steel band 1 top and steel band 1 and joins, be located at three little water flowing rollers 19 that steel band 1 below and steel band 1 join, described big water flowing roller 18 and three little water flowing roller 19 corresponding steel bands 1 that compress.The both sides of described thermostat 5 are provided with the two arrays of electrodes group, described electrode group comprises the second main graphite roller 20 that is located at steel band 1 below and steel band 1 and joins, be located at the two second gravelstone ink rollers 21 that steel band 1 top and steel band 1 join, the described second main graphite roller 20 and two second gravelstone ink rollers, the 21 corresponding steel bands 1 that compress, the described second main graphite roller 20 and second brush 22 join, described second brush 22 links to each other with second transformer 23, the front portion of described thermostat 5 is provided with second temperature measurer 9, and the rear portion of described thermostat 5 is provided with the 3rd temperature measurer 10.Described tempering stove 7 front portions are provided with the 4th temperature measurer 11, and tempering stove 7 rear portions are provided with the 5th temperature measurer 12.Described second quenching device 6 is identical with the structure of first quenching device 4.
During actually operating, steel band is heated to the 870-900 degree earlier and makes and organize complete austenitizing in heating unit 3, be cooled to the 280-300 degree rapidly through first quenching device 4 again, insulation is 3-4 minute in thermostat 5, makes the volume of 25-40% change lower bainite into, cools to 150 degree rapidly through second quenching device 6 then, make supercooled austenite change martensite into, in tempering stove 7, be warmed up to the 300-450 degree again and carried out tempering 4 minutes, make it become troostite, its naturally cooling of relief.
Whole process is that the needle-like lower bainite that forms has earlier been cut apart austenitic crystal grain, make austenite crystal become very tiny, the martensite bundle lath and the also refinement of carbide that form after making, thereby the intensity and the hardness of steel have been increased, a spot of bainite relaxes the three-dimensional tensile stress state of crack tip effectively by plastic deformation simultaneously, make fracture mechanism take place obviously to change, thereby strengthened toughness.From practical situation, be example with the band saw, the 65Mn band saw life-span of quenching with shellfish horse complex phase, than big 3-4 of the life-span of the band saw of the same material of marquench doubly the life-span of the elastic element made from the steel band of shellfish horse complex phase quenching all was multiplied.
Claims (5)
1. the shellfish horse complex phase quench systems of a steel band, comprise hai roll wheel (2), winding wheel (13), be located at the steel band (1) between hai roll wheel (2) and the winding wheel (13), it is characterized in that: described hai roll is taken turns between (2) and the winding wheel (13) and is provided with the heating unit (3) corresponding with steel band (1), first quenching device (4), thermostat (5), second quenching device (6), tempering stove (7) successively.
2. the shellfish horse complex phase quench systems of a kind of steel band according to claim 1, it is characterized in that: be provided with at least one group electrode group corresponding in the described heating unit (3) with steel band (1), described electrode group comprises and is located at the first main graphite roller (14) that steel band (1) below and steel band (1) join, be located at the two first little graphite rollers (15) that steel band (1) top and steel band (1) join, the corresponding steel band (1) that compresses of the described first main graphite roller (14) with two first little graphite rollers (15), the described first main graphite roller (14) joins with first brush (16), described first brush (16) links to each other with first transformer (17), and described heating unit (3) is provided with first temperature measurer (8).
3. the shellfish horse complex phase quench systems of a kind of steel band according to claim 1, it is characterized in that: be provided with the water flowing set of the rolls corresponding in described first quenching device (4) with steel band (1), described water flowing set of the rolls comprises the big water flowing roller (18) that is located at steel band (1) top and steel band (1) and joins, be located at three little water flowing rollers (19) that steel band (1) below and steel band (1) join, the corresponding steel band (1) that compresses with three little water flowing rollers (19) of described big water flowing roller (18).
4. the shellfish horse complex phase quench systems of a kind of steel band according to claim 1, it is characterized in that: the both sides of described thermostat (5) are provided with the two arrays of electrodes group, described electrode group comprises and is located at the second main graphite roller (20) that steel band (1) below and steel band (1) join, be located at the two second little graphite rollers (21) that steel band (1) top and steel band (1) join, the corresponding steel band (1) that compresses of the described second main graphite roller (20) with two second little graphite rollers (21), the described second main graphite roller (20) joins with second brush (22), described second brush (22) links to each other with second transformer (23), the front portion of described thermostat (5) is provided with second temperature measurer (9), and the rear portion of described thermostat (5) is provided with the 3rd temperature measurer (10).
5. the shellfish horse complex phase quench systems of a kind of steel band according to claim 1, it is characterized in that: described tempering stove (7) front portion is provided with the 4th temperature measurer (11), and tempering stove (7) rear portion is provided with the 5th temperature measurer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020225809 CN201737983U (en) | 2010-06-13 | 2010-06-13 | Bainite and martensite multiphase quenching system of steel belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020225809 CN201737983U (en) | 2010-06-13 | 2010-06-13 | Bainite and martensite multiphase quenching system of steel belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201737983U true CN201737983U (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020225809 Expired - Lifetime CN201737983U (en) | 2010-06-13 | 2010-06-13 | Bainite and martensite multiphase quenching system of steel belt |
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| Country | Link |
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| CN (1) | CN201737983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433426A (en) * | 2011-12-23 | 2012-05-02 | 浙江佰耐钢带有限公司 | Steel strip martensite two-step quenching system |
| CN102492825A (en) * | 2011-12-23 | 2012-06-13 | 浙江佰耐钢带有限公司 | Steel band bainite and martensite multiphase quenching system |
-
2010
- 2010-06-13 CN CN 201020225809 patent/CN201737983U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433426A (en) * | 2011-12-23 | 2012-05-02 | 浙江佰耐钢带有限公司 | Steel strip martensite two-step quenching system |
| CN102492825A (en) * | 2011-12-23 | 2012-06-13 | 浙江佰耐钢带有限公司 | Steel band bainite and martensite multiphase quenching system |
| CN102492825B (en) * | 2011-12-23 | 2013-07-10 | 浙江佰耐钢带有限公司 | Steel band bainite and martensite multiphase quenching system |
| CN102433426B (en) * | 2011-12-23 | 2013-07-10 | 浙江佰耐钢带有限公司 | Steel strip martensite two-step quenching system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |