CN106269932A - A kind of hot rolled seamless steel tube On-line Control cooling device - Google Patents
A kind of hot rolled seamless steel tube On-line Control cooling device Download PDFInfo
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- CN106269932A CN106269932A CN201610939943.XA CN201610939943A CN106269932A CN 106269932 A CN106269932 A CN 106269932A CN 201610939943 A CN201610939943 A CN 201610939943A CN 106269932 A CN106269932 A CN 106269932A
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- Prior art keywords
- cooling
- ring
- water ring
- half water
- spray
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B2045/0227—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for tubes
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
A kind of hot rolled seamless steel tube On-line Control cooling device, if including dry cooling spray ring group, it is between the roller-way of cooling zone, and along the uniform setting of roller-way conveying direction；Cooling spray ring group is made up of 4～8 independent cooling spray rings；Cooling spray ring includes upper and lower half water ring, both structures are identical and are symmetrical arranged, and are connected and have regulation valve group, it is achieved spray flow and the control of hydraulic pressure between cooling spray ring and segregated collection pipe, water pressure range of accommodation is 0.2～0.8MPa, and spray flow is 30～120m3Electrodeless regulation between/h；Arranging water inlet at cooling spray ring outer surface, its inner surface arranges that quantity is some and the cooling nozzle of ordered distribution；The jet direction of cooling nozzle has angle with steel pipe traffic direction；Cooling spray ring assembles and is contained on independent elevating mechanism, and each independent cooling spray ring is installed on the moving lifting bar of elevating mechanism；Moving lifting bar is provided with switching mechanism, is opened by switching mechanism between upper and lower half water ring and close.
Description
Technical field
The invention belongs to hot rolled seamless steel tube production technical field, particularly relate to a kind of hot rolled seamless steel tube On-line Control
Cooling device.
Background technology
At present, Controlled Rolling And Controlled Cooling is as improving ferrous materials microscopic structure and promoting the important channel of mechanical property,
Through being widely applied on cut deal, strip steel, section bar and Bar Wire Product, but in hot rolled seamless steel tube field, due to hot rolling without
The complexity of seam production technology of steel tube and particularity so that the Controlled Rolling And Controlled Cooling application in hot rolled seamless steel tube field receives
Severely restricts.Owing to hot rolled seamless steel tube has circular big cross section feature, and the specification excursion of hot rolled seamless steel tube is relatively big,
In cooling procedure, how to realize efficiently cooling down and high uniformity cooling, become the key of controlled cooling technique application.Separately
Outward, the cooling uniformity of hot rolled seamless steel tube circumferencial direction to be realized, the temperature of steel pipe length direction to be realized is equal
Even property, therefore, in order to accelerate to promote the controlled cooling technique development in hot rolled seamless steel tube field, applicable in the urgent need to developing
In the on-line cooling equipment of hot rolled seamless steel tube, it should possess efficient cooling capacity and high cooling uniformity, and can essence
Accurate control final cooling temperature.
At present, control the development rapid deployment of cooling device for hot rolled seamless steel tube, and occurred
Multiple based on different principle and the relevant cooling device scheme of form, but, these existing technical schemes are the most still
Come with some shortcomings part, specific as follows:
1. the Chinese patent application of Publication No. CN103264054A, it discloses a kind of steel pipe homogeneous cooling apparatus,
In this patent formula, the adjustable nozzle on cooling water tank has been arranged to a water spray spraying water outer wall of steel pipe by it
Ring, the centrage of water ring and the traffic direction of steel pipe are 5 °～the angle of 175 °, and be provided with can prevent cool down water be sprayed onto steel
The cooling water dash mechanism of pipe outer wall, and for adjusting the gear of cooling water dash mechanism and the spacing of cooling water water spraying mechanism
Water device guiding mechanism, logical supercooled water dash mechanism and cooling water water spraying mechanism realize the cooling of steel pipe.
But, in cooling procedure, steel pipe is walked inside water water spraying mechanism with cooling down in cooling water dash mechanism, once steel
During the emergency situations such as pipe bends, it is difficult to the steel pipe of bending is taken out smoothly；It addition, the scalable to cooling water water spraying mechanism
Means are the most clearly mentioned, and when cooling down for the steel pipe of different-thickness specification, in order to meet the control of different final cooling temperature
Demand processed, it is important regulating measure that water ring opens quantity, but the cooling water water spraying mechanism in patent formula is normally open,
This patent formula is caused to lack regulating measure.
2. the Chinese patent application of Publication No. CN201455003U, it discloses a kind of seamless pipe controlled rolling and controlled cooling that realizes
Device, in this patent formula, it is uniformly arranged being provided with the shower of some nozzles around water ring axis and constitutes cage knot
Structure, and spray nozzle axis and vertical line be 5 °～the angle of 20 °, thus steel pipe circumferencial direction is implemented cooling.
But, owing to this device is the ring structures closed, once emergency situations such as steel pipe bend, it is difficult to by curved
Bent steel pipe takes out smoothly；It addition, the physical dimension of this device needs the seamless steel pipe with certain size to match, cause this dress
Put the steel pipe specification that can be suitable for be restricted, owing to arrangement of nozzles form is the most single, therefore, it is difficult to Effective Regulation steel pipe circle
The cooling uniformity of circumferential direction.
Therefore, although above-mentioned patent formula can realize the cooling of the control to hot rolled seamless steel tube to a certain extent, but
For the aspects such as steel pipe circular cross-section cooling uniformity, the change of large-size specification, final cooling temperature control accuracy, above-mentioned patent side
There is bigger problem in case., control in cooling procedure at hot rolled seamless steel tube meanwhile, to cooling rate parameter, final cooling temperature parameter,
Control measures and the control accuracy aspect in cooling path etc. there is also clearly disadvantageous.
Summary of the invention
The problem existed for prior art, the present invention provides a kind of hot rolled seamless steel tube On-line Control cooling device, has
Effect overcomes the weak point of existing chiller, and it possesses higher cooling uniformity, it is possible to efficiently cooling and accurately
Control final cooling temperature, there is the higher suitability and stronger cooling capacity.
To achieve these goals, the present invention adopts the following technical scheme that a kind of hot rolled seamless steel tube On-line Control cooling
Equipment, including the cooling spray ring group that quantity is some, described cooling spray ring group between the V-type variable-angle roller-way of cooling zone,
And if dry cooling spray ring group is along the uniform setting of roller-way conveying direction；Described cooling spray ring group is by 4～8 independent cooling spray rings
Constitute.
Described cooling spray ring includes upper half water ring and lower half water ring, described upper half water ring and lower half water ring structure
Identical and be symmetrical arranged, upper half water ring and lower half water ring are connected with segregated collection pipe respectively, upper half water ring with point
Regulation valve group it is respectively connected with, by segregated collection pipe and regulation between adfluxion water pipe, between lower half water ring and segregated collection pipe
Upper half water ring and the spray flow of lower half water ring and hydraulic pressure are controlled by valve group.
The water pressure range of accommodation of described upper half water ring and lower half water ring is 0.2～0.8MPa, upper half water ring and
The spray flow of lower half water ring uses independent control mode, and spray flow scope is 30～120m3/ h, spray flow uses
Electrodeless regulative mode.
Outer surface at described upper half water ring and lower half water ring arranges water inlet, sprays water at upper half water ring and lower half
Ring inner surface arranges cooling nozzle, and cooling nozzle quantity is some and ordered distribution.
The jet direction of described cooling nozzle and steel pipe traffic direction have angle.
Described cooling spray ring assembles and is contained on independent elevating mechanism, and in cooling spray ring group, each independent cooling spray ring is equal
Being arranged on the moving lifting bar of elevating mechanism, elevating mechanism is driven by hydraulic system.
Being provided with switching mechanism on the moving lifting bar of described elevating mechanism, switching mechanism and upper half water ring are solid mutually
Even, opened by switching mechanism between upper half water ring and lower half water ring and close, and maximum opening angle is 110 °.
Beneficial effects of the present invention:
The present invention is by carrying out independence to upper half water ring in annular jet chiller and lower half water ring spray flow
Set, and by the parameters such as unlatching quantity, spray flow and the hydraulic pressure of water ring are set, can be (same to arbitrary caliber
Time wall thickness range between 10～60mm) conventional hot rolled seamless steel tube implement Controlled cooling process, and set according to the actual requirements
Surely cool down spray ring group quantity and often organize the cooling spray ring quantity in cooling spray ring group, final cooling temperature is accurately controlled in 150～750
Target temperature in the range of DEG C；Each cooling spray ring is arranged between V-type variable-angle roller-way according to a determining deviation, it is simple to discharge
Cooling water, prevents cooling down water and piles up in cooling device, and beneficially the high efficiency cooling heat transferring of steel pipe, improves cooldown rate；With
Time, possess open function between upper half water ring and the lower half water ring of cooling spray ring, when cooling procedure occurs tube bending
Etc. emergency situations time, it is simple to the steel pipe of bending is taken out smoothly, and the maximum angle opened is more than 90 °, it is therefore prevented that upper half is sprayed
The accident Guan Bi of water ring, it is ensured that safety.To sum up, the hot rolled seamless steel tube On-line Control cooling device that the present invention provides has
The higher suitability, can meet final cooling temperature high intensity in the range of 150～750 DEG C, high uniformity, the most temperature controlled
Hot rolled seamless steel tube On-line Control cooling technique needs.
Accompanying drawing explanation
Fig. 1 is the schematic layout pattern of a kind of hot rolled seamless steel tube On-line Control cooling device of the present invention；
Fig. 2 is cooling spray ring (closure state) structural representation of the present invention；
Fig. 3 is cooling spray ring (opening) structural representation of the present invention；
In figure, 1 cooling spray ring group, 2 V-type variable-angle roller-ways, 3 upper half water rings, 4 lower half water rings, 5
Elevating mechanism, 6 moving lifting bars, 7 switching mechanisms.
Detailed description of the invention
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 3, a kind of hot rolled seamless steel tube On-line Control cooling device, including the cooling spray ring that quantity is some
Group 1, described cooling spray ring group 1 is between the V-type variable-angle roller-way 2 of cooling zone, and if dry cooling spray ring group 1 is along roller-way
The uniform setting of conveying direction；Described cooling spray ring group 1 is made up of 6 independent cooling spray rings.
Described cooling spray ring includes upper half water ring 3 and lower half water ring 4, described upper half water ring 3 and lower half water ring 4
Structure is identical and is symmetrical arranged, and upper half water ring 3 and lower half water ring 4 are connected with segregated collection pipe respectively, sprays water in upper half
It is respectively connected with regulation valve group between ring 3 and segregated collection pipe, between lower half water ring 4 and segregated collection pipe, passes through segregated collection
Upper half water ring 3 and the spray flow of lower half water ring 4 and hydraulic pressure can be controlled by pipe with regulating valve group.
The water pressure range of accommodation of described upper half water ring 3 and lower half water ring 4 is 0.2～0.8MPa.
The spray flow of described upper half water ring 3 and lower half water ring 4 can independently be controlled, according to technique need
Asking, range of accommodation is 30～120m3/ h, and the spray flow electrodeless regulative mode of employing.
Outer surface at described upper half water ring 3 and lower half water ring 4 arranges water inlet, in upper half water ring 3 and lower half
The inner surface of water ring 4 arranges cooling nozzle, and cooling nozzle quantity is some and ordered distribution.
The jet direction of described cooling nozzle and steel pipe traffic direction have angle.
Described cooling spray ring group 1 is fitted on independent elevating mechanism 5, the cooling spray that in cooling spray ring group 1, each is independent
Ring is installed on the moving lifting bar 6 of elevating mechanism 5, and elevating mechanism 5 is driven by hydraulic system.
The moving lifting bar 6 of described elevating mechanism 5 is provided with switching mechanism 7, switching mechanism 7 and upper half water ring 3
It is fixedly connected with, opens by switching mechanism 7 and close between upper half water ring 3 and lower half water ring 4, and the maximum angular opened
Degree is more than 90 °, in order to the maintenance of cooling device and emergent management when breaking down, and in turn ensure that safety.
During actually used, according to actual specification and the process requirements of steel pipe, cooling parameter be set, specifically wrap
The unlatching quantity of spray ring, opening ways, irrigation pressure, upper half water ring and lower half water spray ring spray is cooled down in including cooling spray ring group 1
Discharge etc..Further, show through the substantial amounts of verification experimental verification of early stage, no matter whether the steel pipe in cooling procedure uses the side of rotation
Formula, cooling water is all inconsistent at the upper half disc of steel pipe and the instantaneous flow state of lower half disc, therefore, in cooling spray ring
The spray flow of upper half water ring 3 and lower half water ring 4 needs independent setting, and then ensures steel pipe cooling in a circumferential direction
Uniformity.When steel pipe is passed inside annular jet chiller by roller-way, the cooling procedure of steel pipe can be realized.
Secondly, when the actual outside diameter specification of steel pipe changes, only need to adjust elevating mechanism 5 and change cooling spray ring group 1
Highly, and then ensure that cooling spray ring coincides with the longitudinal center line of steel pipe, to meet the cooling needs of different size steel pipe, make
The cooling device of the present invention is provided with the higher suitability.
Further, since the jet direction of cooling nozzle has angle with steel pipe traffic direction, and cool down nozzle with jet
Steel pipe is cooled down by the mode of impinging cooling, can promote that cooling down water at the instantaneous olderly flowage of steel tube surface and breaks up water
Film, it is achieved that the further lifting of cooling capacity, the most preferably ensure that cooling uniformity.
Scheme in embodiment is also not used to limit the scope of patent protection of the present invention, all without departing from the present invention do etc.
Effect is implemented or change, is both contained in the scope of the claims of this case.
Claims (7)
1. a hot rolled seamless steel tube On-line Control cooling device, it is characterised in that: include the cooling spray ring group that quantity is some, institute
State cooling spray ring group between the V-type variable-angle roller-way of cooling zone, and if dry cooling spray ring group is along roller-way conveying direction
Uniform setting；Described cooling spray ring group is made up of 4～8 independent cooling spray rings.
A kind of hot rolled seamless steel tube On-line Control cooling device the most according to claim 1, it is characterised in that: described cooling
Spray ring includes upper half water ring and lower half water ring, and described upper half water ring is identical with lower half water ring structure and is symmetrical arranged,
Upper half water ring and lower half water ring are connected with segregated collection pipe respectively, between upper half water ring and segregated collection pipe, under
Be respectively connected with between half water ring and segregated collection pipe regulation valve group, by segregated collection pipe and regulation valve group to upper half water ring
And the spray flow of lower half water ring and hydraulic pressure are controlled.
A kind of hot rolled seamless steel tube On-line Control cooling device the most according to claim 2, it is characterised in that: described upper half
The water pressure range of accommodation of water ring and lower half water ring is 0.2～0.8MPa, upper half water ring and the water spray of lower half water ring
Flow uses independent control mode, and spray flow scope is 30～120m3/ h, spray flow uses electrodeless regulative mode.
A kind of hot rolled seamless steel tube On-line Control cooling device the most according to claim 2, it is characterised in that: on described
The outer surface of half water ring and lower half water ring arranges water inlet, arranges cooling at upper half water ring and lower half water ring inner surface
Nozzle, nozzle quantity is some and ordered distribution in cooling.
A kind of hot rolled seamless steel tube On-line Control cooling device the most according to claim 4, it is characterised in that: described cooling
The jet direction of nozzle and steel pipe traffic direction have angle.
A kind of hot rolled seamless steel tube On-line Control cooling device the most according to claim 1, it is characterised in that: described cooling
Spray ring assembles and is contained on independent elevating mechanism, and in cooling spray ring group, each independent cooling spray ring is installed in elevating mechanism
On moving lifting bar, elevating mechanism is driven by hydraulic system.
A kind of hot rolled seamless steel tube On-line Control cooling device the most according to claim 6, it is characterised in that: at described liter
Being provided with switching mechanism on the moving lifting bar of descending mechanism, switching mechanism is fixedly connected with upper half water ring, upper half water ring with under
Opened by switching mechanism between half water ring and close, and maximum opening angle is 110 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610939943.XA CN106269932A (en) | 2016-10-25 | 2016-10-25 | A kind of hot rolled seamless steel tube On-line Control cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610939943.XA CN106269932A (en) | 2016-10-25 | 2016-10-25 | A kind of hot rolled seamless steel tube On-line Control cooling device |
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| CN106269932A true CN106269932A (en) | 2017-01-04 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511016A (en) * | 2017-10-23 | 2017-12-26 | 江阴兴澄合金材料有限公司 | Deduster for steel rolling production-line |
| CN109248922A (en) * | 2017-07-13 | 2019-01-22 | 鞍钢股份有限公司 | A kind of cooling hydrosphere of hot seamless tube sizing roll |
| CN110508625A (en) * | 2019-10-17 | 2019-11-29 | 东北大学 | On-line Control cooling device and method for middle small-caliber hot rolling seamless steel |
| CN111360092A (en) * | 2020-03-25 | 2020-07-03 | 合肥市华佳鑫自动化科技有限公司 | Be used for aluminium alloy extrusion production line heat sink |
| CN111417472A (en) * | 2017-11-29 | 2020-07-14 | 日本制铁株式会社 | Piercing machine and method for manufacturing seamless metal pipe using same |
| CN111589879A (en) * | 2020-04-29 | 2020-08-28 | 东北大学 | Control method for improving texture uniformity of thick-wall seamless steel tube online cooling process |
| CN112676361A (en) * | 2020-12-23 | 2021-04-20 | 大冶特殊钢有限公司 | Water mist cooling device |
| CN113245381A (en) * | 2020-03-24 | 2021-08-13 | 宝山钢铁股份有限公司 | On-line cooling system and cooling method for sized seamless steel tube |
| CN117340026A (en) * | 2023-12-05 | 2024-01-05 | 福建鑫冠和智能科技有限公司 | Steel pipe rolling production line |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248922A (en) * | 2017-07-13 | 2019-01-22 | 鞍钢股份有限公司 | A kind of cooling hydrosphere of hot seamless tube sizing roll |
| CN107511016A (en) * | 2017-10-23 | 2017-12-26 | 江阴兴澄合金材料有限公司 | Deduster for steel rolling production-line |
| CN111417472A (en) * | 2017-11-29 | 2020-07-14 | 日本制铁株式会社 | Piercing machine and method for manufacturing seamless metal pipe using same |
| CN111417472B (en) * | 2017-11-29 | 2022-05-27 | 日本制铁株式会社 | Piercing machine and method for manufacturing seamless metal pipe using same |
| CN110508625A (en) * | 2019-10-17 | 2019-11-29 | 东北大学 | On-line Control cooling device and method for middle small-caliber hot rolling seamless steel |
| CN113245381A (en) * | 2020-03-24 | 2021-08-13 | 宝山钢铁股份有限公司 | On-line cooling system and cooling method for sized seamless steel tube |
| CN111360092A (en) * | 2020-03-25 | 2020-07-03 | 合肥市华佳鑫自动化科技有限公司 | Be used for aluminium alloy extrusion production line heat sink |
| CN111589879A (en) * | 2020-04-29 | 2020-08-28 | 东北大学 | Control method for improving texture uniformity of thick-wall seamless steel tube online cooling process |
| CN111589879B (en) * | 2020-04-29 | 2021-06-11 | 东北大学 | Control method for improving texture uniformity of thick-wall seamless steel tube online cooling process |
| CN112676361A (en) * | 2020-12-23 | 2021-04-20 | 大冶特殊钢有限公司 | Water mist cooling device |
| CN117340026A (en) * | 2023-12-05 | 2024-01-05 | 福建鑫冠和智能科技有限公司 | Steel pipe rolling production line |
| CN117340026B (en) * | 2023-12-05 | 2024-03-05 | 钢一控股集团有限公司 | Steel pipe rolling production line |
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Application publication date: 20170104 |