CN107385171A - Spray quenching device and rod iron production line - Google Patents
Spray quenching device and rod iron production line Download PDFInfo
- Publication number
- CN107385171A CN107385171A CN201710864840.6A CN201710864840A CN107385171A CN 107385171 A CN107385171 A CN 107385171A CN 201710864840 A CN201710864840 A CN 201710864840A CN 107385171 A CN107385171 A CN 107385171A
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- Prior art keywords
- quenching
- cooling water
- water jet
- rod iron
- spray
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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
- C21D1/667—Quenching devices for spray 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention relates to rod iron to process technical field, is related to spray quenching device and rod iron production line；Spray quenching device includes casing, 360 ° of quenching cooling cooling water jets, semicircle quenching cooling cooling water jet and 180 ° of quenching cooling water jets, rod body is transferred first to 360 ° of quenching cooling water jets and carries out quenching cooling, it is resent to semicircle quenching cooling water jet and carries out acceleration cooling, 180 ° of quenching cooling water jets are entered back into carry out accelerating cooling to keep, preferably quenching cooling terminates, wherein, pass through the work of the first shower nozzle, realize 360 degrees omnidirection quenching cooling, so that the rod iron body after heating can be quenched with 360 degrees omnidirection and cooled down, reach quenching non-blind area, without soft spots, without soft ribbons, deform micro-, indeformable effect is bent after reaching quenching；Rod iron production line includes quality inspection machine and spray quenching device, and rod iron production line has above-mentioned advantage compared with prior art.
Description
Technical field
The present invention relates to rod iron to process technical field, in particular to spray quenching device and rod iron production line.
Background technology
In current rod iron sensing tempering product line, although some producers take rod iron entirety liquid quench, 180 ° of water sprays
Spray quenching, it is impossible to solve rod iron flexural deformation in quenching process, but hidden danger of quality is produced during post-production, influence final steel
Rod quality.Existing rod iron entirety liquid is quenched, 180 ° of water spray spray quenchings, during production operation, after whole branch rod iron austenite heating and thermal insulation,
Hot consequent integrally enters quenching cold-zone spray, causes rod iron flexibility big, and subsequently also to increase aligning process could meet turning
Processing, final finished deformation rebound rate is bigger, and so as to cause part to use process premature failure, reduce parts uses the longevity
Life；
Therefore it provides a kind of small spray quenching device of cooling strain and rod iron production line of quenching turns into people in the art
Member's important technological problems to be solved.
The content of the invention
The first object of the present invention is to provide a kind of spray quenching device, and cooling strain is quenched in the prior art to alleviate
Big technical problem.
A kind of spray quenching device provided by the invention, including：Casing, 360 ° of quenching cooling water jets, semicircle quenchings
Cool down water jet and 180 ° of quenching cooling water jets；
360 ° of quenchings cooling water jet, the semicircle quenching cooling water jet and 180 ° of quenchings cooling water spray
Device is arranged in the casing；
360 ° of quenchings cooling water jet includes toroidal frame body and the first shower nozzle, and first shower nozzle is uniformly arranged on
The toroidal frame body outer wall.
Further, the semicircle quenching cooling water jet includes semicircle ring stand body and the second shower nozzle, and described second
Shower nozzle is uniformly arranged on the half round frame body outer wall.
Further, the two semicircle ring stand bodies are coordinated by semicircular ring complimentary fashion, and the two semicircle ring stand bodies
Between leave gap.
Further, 180 ° of quenchings cooling water jet includes riser frame body and the 3rd shower nozzle, the 3rd shower nozzle
It is uniformly arranged on the riser frame body outer wall.
Further, the two riser frame body fits, and the water spray face of the two riser frame bodies is relative.
Further, spray quenching device also includes the roller driving road for driving rod iron body to be rotationally advancing；
The roller driving road includes roller frame body, disk roller and power source, and the disk roller is arranged on the roller frame sheet
On body, the disk roller is connected with the power source.
Further, temperature sensor is provided with the casing, the temperature sensor is with being arranged on outside the casing
The alarm connection of wall.
Further, the support of support rod iron body is provided with the casing；
Guide wheel is provided with the support；
The support, institute are provided between 360 ° of quenchings cooling water jet and the semicircle quenching cooling water jet
State and be provided with the support between semicircle quenching cooling water jet and 180 ° of quenchings cooling water jet.
Further, 360 ° of quenchings, which cool down, is provided with the support between water jet and the casing, described 180 °
The support is provided between quenching cooling water jet and the casing.
The second object of the present invention is to provide a kind of rod iron production line, big to alleviate quenching cooling strain in the prior art
Technical problem.
A kind of rod iron production line provided by the invention, including quality inspection machine and the spray quenching device；
The spray quenching device is connected with the quality inspection machine.
Beneficial effect：
A kind of spray quenching device provided by the invention, including casing, 360 ° of quenching cooling cooling water jets, semicircles are quenched
Fire cooling cooling water jet and 180 ° of quenching cooling water jets, wherein, 360 ° of quenching cooling water jets, semicircle quenching cooling spray
Hydrophone and 180 ° of quenching cooling water jets are arranged in casing, and after rod iron body enters casing, rod iron body transmits first
Quenching cooling is carried out to 360 ° of quenching cooling water jets, semicircle quenching cooling water jet is resent to and carries out acceleration cooling, then
Carrying out accelerating cooling to keep into 180 ° of quenching cooling water jets, preferably quench cooling and terminate, rod iron sends out casing, wherein,
360 ° of water jets include toroidal frame body and the first shower nozzle, and the first shower nozzle is uniformly arranged on toroidal frame body outer wall, passes through first
The work of shower nozzle, 360 degrees omnidirection quenching cooling is realized, so that the rod iron body after heating can be quenched with 360 degrees omnidirection
Fire cooling, reach quenching non-blind area, no soft spots, no soft ribbons, deformation is micro-, and indeformable effect is bent after reaching quenching.
A kind of rod iron production line provided by the invention, including quality inspection machine and spray quenching device；Spray quenching device and matter
Inspection machine connects, and rod iron production line has above-mentioned advantage compared with prior art, no longer superfluous herein to chat.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is spray quenching device overall structure diagram provided in an embodiment of the present invention；
Fig. 2 is the structural representation of 360 ° of quenching cooling water jets in spray quenching device provided in an embodiment of the present invention；
Fig. 3 is the structural representation of semicircle quenching cooling water jet in spray quenching device provided in an embodiment of the present invention
Figure；
Fig. 4 is the structural representation of 180 ° of quenching cooling water jets in spray quenching device provided in an embodiment of the present invention
Figure.
Icon：100- casings；200-360 ° of quenching cooling water jet；201- toroidal frame bodies；The shower nozzles of 202- first；
The semicircle quenching cooling water jets of 300-；301- semicircle ring stand bodies；The shower nozzles of 302- second；303- gaps；400-180 °
Quenching cooling water jet；401- riser frame bodies；The shower nozzles of 402- the 3rd；500- rod iron bodies；600- supports.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The present invention is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
Fig. 1 is spray quenching device overall structure diagram provided in an embodiment of the present invention；Fig. 2 carries for the embodiment of the present invention
The structural representation of 360 ° of quenching cooling water jets in the spray quenching device of confession；Fig. 3 is spray provided in an embodiment of the present invention
Drench the structural representation of semicircle quenching cooling water jet in quenching unit；Fig. 4 is that spray provided in an embodiment of the present invention is quenched
The structural representation of 180 ° of quenching cooling water jets in fiery device.
A kind of spray quenching device provided in an embodiment of the present invention as Figure 1-Figure 4, including：100,360 ° of casing is quenched
Fire cooling water jet 200, semicircle quenching cooling water jet 300 and 180 ° of quenching cooling water jets 400；360 ° of quenching cooling sprays
Hydrophone 200, semicircle quenching cooling water jet 300 and 180 ° of quenching cooling water jets 400 are arranged in casing 100；360°
Quenching cooling water jet 200 includes the shower nozzle 202 of toroidal frame body 201 and first, and the first shower nozzle 202 is uniformly arranged on toroidal frame sheet
The outer wall of body 201.
A kind of spray quenching device provided in an embodiment of the present invention, including 100,360 ° of quenching cooling cooling water sprays of casing
Device, semicircle quenching cooling cooling water jet and 180 ° of quenching cooling water jets 400, wherein, 360 ° of quenching cooling water jets
200th, semicircle quenching cooling water jet 300 and 180 ° of quenching cooling water jets 400 are arranged in casing 100, when rod iron sheet
After body 500 enters casing 100, rod iron body 500 is transferred first to 360 ° of quenching cooling water jets 200 and carries out quenching cooling, then
It is sent to semicircle quenching cooling water jet 300 and carries out acceleration cooling, enters back into 180 ° of quenching cooling water jets 400 and accelerated
Cooling is kept, and is preferably quenched cooling and is terminated, and rod iron sends out casing 100, wherein, 360 ° of quenching cooling water jets 200 include ring
Shape frame body 201 and the first shower nozzle 202, the first shower nozzle 202 are uniformly arranged on the outer wall of toroidal frame body 201, pass through the first shower nozzle
202 work, 360 degrees omnidirection quenching cooling is realized, so that the rod iron body 500 after heating can be with 360 degrees omnidirection
Quenching cooling, reach quenching non-blind area, no soft spots, no soft ribbons, deformation is micro-, and indeformable effect is bent after reaching quenching.
Wherein, 360 ° of quenching cooling water jets 200 include the shower nozzle 202 of toroidal frame body 201 and first, toroidal frame body
201 are internally provided with water jet, and the first shower nozzle 202 coordinates with water jet, and the first fountain head is connected with high-pressure water tank, during work
First shower nozzle 202 can inject water under high pressure water jet, be then arranged on multiple water jets of the inwall of toroidal frame body 201 with
360 degree of direction carries out quenching cooling to rod iron body 500, reaches quenching non-blind area, no soft spots, no soft ribbons.
Wherein, the axis extended line of water jet pass through rod iron body 500 axle center, it is ensured that the cooling water of ejection can enough pair
Rod iron body 500 carries out cooling operations.
Moreover, being provided with after 360 ° of quenching cooling water jets 200, semicircle quenching cools down water jet 300 and 180 ° of quenchings are cold
But water jet 400,360 ° of quenching cooling water jets 200 carry out quenching cooling to rod iron body 500, then quenched by semicircle
Cooling water jet 300 carries out acceleration cooling to rod iron body 500, and water jet 400 is cooled down to rod iron sheet finally by 180 ° of quenchings
Body 500 carries out cooling holding, it is ensured that the Light deformation after the quenching of rod iron body 500, bends indeformable effect after reaching quenching, just
In following process and final mass.
It is pointed out that by 360 ° of quenching coolings to single rod iron body 500, make its hardness, metallographic structure, power
Performance is uniform, and scattered error is small.
Need, it is noted that rod iron body 500 can keep rotating during advance, to ensure the uniform of quenching.
Wherein, the spray face of 360 ° of quenching cooling water jets 200 is rounded, rod iron body 500 is carried out comprehensively uniformly cold
But.
Specifically, the inwall of toroidal frame body 201 is in the conical surface, and the water spraying directions of 360 ° of quenching cooling water jets 200 with
The axis of toroidal frame body 201 is adjusted into 10 degree-an angle of 90 degrees according to demand, and during as 15 degree of angles, the first shower nozzle 202 sprays
Water can be sprayed on rod iron body 500 remotely, avoid in quenching process impurity caused by the outer wall of rod iron body 500 from accumulating
In 360 ° of quenching cooling water jets 200.
In the alternative of the present embodiment, semicircle quenching cooling water jet 300 includes semicircle ring stand body 301 and second
Shower nozzle 302, the second shower nozzle 302 are uniformly arranged on half round frame body outer wall.
Semicircle quenching cooling water jet 300 carries out acceleration cooling to rod iron body 500, makes rod iron body 500 first
Time reduces temperature, improves the quenched quality of rod iron body 500.
Wherein, the spray face of semicircle quenching cooling water jet 300 is curved, and concentration acceleration is carried out to rod iron body 500
Spraying cooling.
Specifically, semicircle quenching cooling water jet 300 includes semicircle ring stand body 301 and the second shower nozzle 302, the second spray
First 302 are arranged on half round frame body outer wall, and the second shower nozzle 302 is connected with high-pressure water tank, during work, unilateral semicircle ring stand sheet
The inwall of body 301 can spray cooling water, and its cooling water is towards rod iron body 500, and its angle of coverage is between 120 degree of -160 degree.
Specifically, half round frame inner body wall is provided with multiple delivery ports, and delivery port axis extended line passes through rod iron body
500 axle center, delivery port are connected cooperation with the second shower nozzle 302, are sprayed water by multiple delivery ports during work
Half round frame body outer wall is provided with multiple second shower nozzles 302, rod iron body 500 is cooled down by semicircle quenching
It can be adequately cooled during water jet 300.
In the alternative of the present embodiment, two semicircular ring stand body 301 is coordinated by semicircular ring complimentary fashion, and two halves annulus
Gap 303 is left between frame body 301.
Wherein, semicircle quenching cooling water jet 300 is combined by two semicircle ring stand bodies 301, wherein two semicircular
Ring stand body 301 coordinates (inwall of semicircle ring stand body 301 is relative) by semicircular ring complimentary fashion, makes two semicircular ring stand body
301 contacts can form closed structure, but two semicircular ring stand body 301 coordinate after between leave gap 303.
Wherein, the gap 303 left between two semicircular ring stand body 301 can arrange caused gas in quenching process
Go out, while the outer wall of rod iron body 500 can produce some impurity after cooling, this impurity can discharge from this space, will not accumulate
Quenched in semicircle inside cooling water jet 300.
In the alternative of the present embodiment, 180 ° of quenching cooling water jets 400 include riser frame body 401 and the 3rd shower nozzle
402, the 3rd shower nozzle 402 is uniformly arranged on the outer wall of riser frame body 401.
180 ° of quenching cooling water jets 400 carry out cooling holding to rod iron body 500, rod iron body 500 is entered faster
Enter stable state, ensure the quality after the quenching of rod iron body 500.
Specifically, 180 ° of quenching cooling water jets 400 include riser frame body 401 and the 3rd shower nozzle 402,180 ° of quenchings are cold
But the water spray face of water jet 400 is in riser shape, and the spraying cooling of 180 degree is carried out to rod iron body 500.
Wherein, the 3rd shower nozzle 402 is uniformly arranged on the outer wall of riser frame body 401, it is ensured that rod iron body 500 can be by equal
Even cooling water.
In the alternative of the present embodiment, two riser frame bodies 401 coordinate, and the water spray face phase of two riser frame bodies 401
It is right.
Specifically, 180 ° of quenching cooling water jets 400 have two riser frame bodies 401 with being combined into, wherein two riser frame sheets
The water spray face of body 401 is relative, ensures the output of rod iron body 500.
In the alternative of the present embodiment, spray quenching device also includes the disk roller for driving rod iron body 500 to be rotationally advancing
It is driven road；Roller driving road includes roller frame body, disk roller and power source, and disk roller is arranged on roller frame body, and disk roller is with moving
Power source connects.
Spray quenching device also includes the roller driving road for driving rod iron body 500 to be rotationally advancing, to make rod iron body 500
Uniform hardening, in rod iron body 500 carries out quenching process, rod iron body 500 is driven to be rotationally advancing by roller driving road.
Specifically, roller driving road includes roller frame body, disk roller and power source, disk roller is arranged on roller frame body,
Disk roller is connected with power source, and disk roller rotates under the drive of power source, so as to drive rod iron body 500 to be rotationally advancing.
In the alternative of the present embodiment, temperature sensor is provided with casing 100, temperature sensor is with being arranged on casing
The alarm connection of 100 outer walls.
Wherein, casing 100 is internally provided with temperature sensor, and temperature sensor can detect the various places inside of casing 100 in real time
Temperature, particularly 360 ° quenching cooling water jets 200, semicircle quenching cooling water jet 300 and 180 ° of quenching cooling water sprays
Inside device 400.
The outer wall of casing 100 is provided with alarm, and display screen is provided with alarm, and wherein temperature sensor connects with alarm
Connecing, contrasted by data analysis, alarm can show data on a display screen, and when emergency case can alarm signal.
In the alternative of the present embodiment, the support 600 of support rod iron body 500 is provided with casing 100；Support 600
On be provided with guide wheel；Support 600 is provided between 360 ° of quenching cooling water jets 200 and semicircle quenching cooling water jet 300,
Support 600 is provided between semicircle quenching cooling water jet 300 and 180 ° of quenching cooling water jets 400.
When rod iron body 500, which enters in casing 100, carries out quenching cooling, with the lengthening of rod iron body 500, can cause
The nose drop of rod iron body 500, the bending of rod iron body 500 is caused, therefore support rod iron body is provided with casing 100
500 support 600, rod iron body 500 is supported by support 600 and roller driving road jointly.
Meanwhile support 600 is provided between 360 ° of quenching cooling water jets 200 and semicircle quenching cooling water jet 300,
Support 600 is provided between semicircle quenching cooling water jet 300 and 180 ° of quenching cooling water jets 400, in each cooling spray
Support 600 is set between hydrophone, further improves the glacing flatness of rod iron body 500.
Meanwhile the water spraying direction of 360 ° of quenching cooling water jets 200 is spent with the axis of toroidal frame body 201 into 10 degree -90
Angle, it is adjusted according to demand, in this angular range, the water that water jet sprays can quench to rod iron body 500, together
When the support 600 being arranged between 360 ° of quenching cooling water jets 200 and semicircle quenching cooling water jet 300 can be carried out
Cool.
Also, guide wheel is provided with support 600, avoids the sharp portion of support 600 from directly being contacted with rod iron body 500, is destroyed
The outer wall of rod iron body 500.
In the alternative of the present embodiment, support 600 is provided between 360 ° of quenching cooling water jets 200 and casing 100,
Support 600 is provided between 180 ° of quenching cooling water jets 400 and casing 100.
Meanwhile 600,180 ° of quenching cooling water sprays of support are provided between 360 ° of quenching cooling water jets 200 and casing 100
Support 600 is provided between device 400 and casing 100, is set along the direction of motion of rod iron body 500 between each part and casing 100
Support 600 is put, rod iron body 500 1 is entered in casing 100 and can be obtained by good support.
A kind of rod iron production line provided by the invention, including quality inspection machine and spray quenching device；Spray quenching device and matter
Inspection machine connects.
A kind of rod iron production line provided by the invention, including quality inspection machine and spray quenching device；Spray quenching device and matter
Inspection machine connects, and rod iron production line has above-mentioned advantage compared with prior art, no longer superfluous herein to chat.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. spray quenching device, it is characterised in that including：Casing, 360 ° of quenching cooling water jets, semicircle quenching cooling Water jet and 180 ° of quenching cooling water jets；360 ° of quenchings cooling water jet, the semicircle quenching cooling water jet and 180 ° of quenchings cooling water jet are equal It is arranged in the casing；360 ° of quenchings cooling water jet includes toroidal frame body and the first shower nozzle, and first shower nozzle is uniformly arranged on described Toroidal frame body outer wall.
- 2. spray quenching device according to claim 1, it is characterised in that the semicircle quenching cooling water jet includes Semicircle ring stand body and the second shower nozzle, second shower nozzle are uniformly arranged on the half round frame body outer wall.
- 3. spray quenching device according to claim 2, it is characterised in that the two semicircle ring stand bodies are mutual by semicircular ring Benefit mode coordinates, and leaves gap between the two semicircle ring stand bodies.
- 4. spray quenching device according to claim 1, it is characterised in that 180 ° of quenchings cooling water jet includes perpendicular Grillage body and the 3rd shower nozzle, the 3rd shower nozzle are uniformly arranged on the riser frame body outer wall.
- 5. spray quenching device according to claim 4, it is characterised in that the two riser frame body fits, and two institutes The water spray face for stating riser frame body is relative.
- 6. spray quenching device according to claim 1, it is characterised in that also include driving what rod iron body was rotationally advancing Roller driving road；The roller driving road includes roller frame body, disk roller and power source, and the disk roller is arranged on the roller frame body, The disk roller is connected with the power source.
- 7. spray quenching device according to claim 1, it is characterised in that temperature sensor is provided with the casing, The temperature sensor is connected with being arranged on the alarm of the cabinet exterior.
- 8. according to the spray quenching device described in claim any one of 1-7, it is characterised in that be provided with branch in the casing Support the support of rod iron body；Guide wheel is provided with the support；360 ° of quenchings cool down and the support are provided between water jet and the semicircle quenching cooling water jet, and described half The support is provided between circle quenching cooling water jet and 180 ° of quenchings cooling water jet.
- 9. spray quenching device according to claim 8, it is characterised in that it is described 360 ° quenching cooling water jet with it is described The support is provided between casing, the support is provided between 180 ° of quenchings cooling water jet and the casing.
- 10. a kind of rod iron production line, it is characterised in that including the spray quenching described in quality inspection machine and claim any one of 1-9 Device；The spray quenching device is connected with the quality inspection machine.
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| CN201710864840.6A CN107385171B (en) | 2017-09-21 | 2017-09-21 | Spray quenching device and rod iron production line |
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|---|---|---|---|
| CN201710864840.6A CN107385171B (en) | 2017-09-21 | 2017-09-21 | Spray quenching device and rod iron production line |
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| CN108611471A (en) * | 2018-07-06 | 2018-10-02 | 江苏南钢通恒特材科技有限公司 | 20MnCr5 incudes normalizing process |
| CN109295294A (en) * | 2018-09-27 | 2019-02-01 | 烟台鲁宝钢管有限责任公司 | A kind of method and dedicated unit mitigating steel pipe heat treatment curvature |
| CN113358693A (en) * | 2021-06-02 | 2021-09-07 | 西北有色金属研究院 | Method for testing beta transition temperature of titanium alloy |
| CN113358693B (en) * | 2021-06-02 | 2024-03-22 | 西北有色金属研究院 | Method for testing beta transition temperature of titanium alloy |
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