CN206153302U - Hot -rolling seamless pipe on -line control cooling arrangement - Google Patents

Hot -rolling seamless pipe on -line control cooling arrangement Download PDF

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Publication number
CN206153302U
CN206153302U CN201621164283.4U CN201621164283U CN206153302U CN 206153302 U CN206153302 U CN 206153302U CN 201621164283 U CN201621164283 U CN 201621164283U CN 206153302 U CN206153302 U CN 206153302U
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cooling
ring
half water
water ring
spray
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CN201621164283.4U
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袁国
刘晓瑾
康健
李振垒
王黎筠
王国栋
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Northeastern University China
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Northeastern University China
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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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Abstract

The utility model provides a hot -rolling seamless pipe on -line control cooling arrangement, includes that a plurality of coolings spout ring group, between its roll table that is located the cooling space, and sets up along roll table direction of delivery equipartition, the cooling is spouted ring group and is spouted the ring constitution by 4~8 independent coolings, the cooling is spouted the ring and is spouted and be connected with control valve between ring and the shunting collection pipe including upper and lower partly water spray ring, the same and symmetrical setting of both structures, cooling, realization water spray flow and hydraulic control, and water pressure control range is 0.2~0.8MPa, and water spray flow is electrodeless regulation between 30~120m3h, spouting the ring surface in the cooling and setting up the water inlet, its internal surface sets up a plurality of and orderly distributed's of quantity cooling jet, the jet flow direction and the steel pipe traffic direction of cooling jet have the contained angle, ring matched stack dress is spouted on independent elevating system to the cooling, and each independent cooling is spouted the ring and is all installed on elevating system's removal lifter, install tilting mechanism on removing the lifter, open and be closed through tilting mechanism between the half upper and lower water spray ring.

Description

A kind of hot rolled seamless steel tube On-line Control cooling device
Technical field
The utility model belongs to hot rolled seamless steel tube production technical field, and more particularly to a kind of hot rolled seamless steel tube is online Control cooling device.
Background technology
At present, Controlled Rolling And Controlled Cooling as improve ferrous materials microscopic structure and lifted mechanical property important channel, Jing is widely applied on cut deal, strip, section bar and Bar Wire Product, but in hot rolled seamless steel tube field, due to hot rolling without The complexity and particularity of seam production technology of steel tube so that application of the Controlled Rolling And Controlled Cooling in hot rolled seamless steel tube field is received Severely restricts.Because hot rolled seamless steel tube has circular big cross section feature, and the specification excursion of hot rolled seamless steel tube is larger, In cooling procedure, efficiently cooling and high uniformity cooling how are realized, become the key of controlled cooling technique application.Separately Outward, the cooling uniformity of hot rolled seamless steel tube circumferencial direction is not only realized, while to realize that the temperature in length of steel pipe direction is equal Even property, therefore, it is suitable in the urgent need to developing in order to accelerate development of the promotion controlled cooling technique in hot rolled seamless steel tube field In the on-line cooling equipment of hot rolled seamless steel tube, it should possess efficient cooling capacity and high cooling uniformity, and being capable of essence Accurate control final cooling temperature.
At present, the development rapid deployment of cooling device is controlled for hot rolled seamless steel tube, and has been occurred It is various based on different principle and the related cooling device scheme of form, but, these existing technical schemes are more or less 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 the patent formula, the adjustable nozzle on cooling water tank has been arranged to a water spray sprayed water to outer wall of steel pipe by it Ring, the center line of water ring and the traffic direction of steel pipe are in 5 °~175 ° of angle, and being provided with can prevent cooling water to be sprayed onto steel The cooling water dash mechanism of pipe outer wall, and for adjusting the gear of distance between cooling water dash mechanism and cooling water water spraying mechanism Water installations adjustment mechanism, by cooling water dash mechanism and cooling water water spraying mechanism the cooling of steel pipe is realized.
But, in cooling procedure, steel pipe is walked inside cooling water dash mechanism with cooling water water spraying mechanism, once steel Pipe bend etc. emergency situations when, it is difficult to the steel pipe of bending is smoothly taken out;In addition, can adjust to cooling water water spraying mechanism Means clearly do not refer to, and the steel pipe for being directed to different-thickness specification is when being cooled down, in order to meet the control of different final cooling temperatures 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, The 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 of realizing Device, in the patent formula, the shower for being provided with some nozzles is uniformly arranged and is constituted cage knot by it around water ring axis Structure, and spray nozzle axis and the angle that vertical line is in 5 °~20 °, so as to implement to cool down to steel pipe circumferencial direction.
But, due to the ring structures that the device is closing, when steel pipe such as bends at the emergency situations, it is difficult to will be curved Bent steel pipe smoothly takes out;In addition, the physical dimension of the device needs to match with the seamless steel pipe of certain size, cause the dress The steel pipe specification that putting to be suitable for is restricted, due to arrangement of nozzles form it is more single, therefore, it is difficult to Effective Regulation steel pipe circle The cooling uniformity of circumferential direction.
Therefore, although above-mentioned patent formula can to a certain extent realize that the control to hot rolled seamless steel tube is cooled down, 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 Case there are problems that larger.Meanwhile, hot rolled seamless steel tube control cooling procedure in, to cooling rate parameter, final cooling temperature parameter, The control measures and control accuracy aspect in cooling path etc. there is also clearly disadvantageous.
Utility model content
For the problem that prior art is present, the utility model provides a kind of hot rolled seamless steel tube On-line Control cooling and sets It is standby, the weak point of existing cooling device is effectively overcome, it possesses higher cooling uniformity, can efficiently cool down and essence Accurate control final cooling temperature, with higher applicability and stronger cooling capacity.
To achieve these goals, the utility model is adopted the following technical scheme that:A kind of hot rolled seamless steel tube On-line Control Cooling device, including the cooling spray ring group that quantity is some, the cooling spray ring group be located at cooling zone V-type variable-angle roller-way it Between, and it is some cooling spray ring group be uniformly arranged along roller-way conveying direction;The cooling spray ring group is by 4~8 independent coolings Spray ring is constituted.
The cooling spray ring includes upper half water ring and lower half water ring, the upper half water ring and lower half water spray ring structure Identical and be symmetrical arranged, upper half water ring and lower half water ring are connected respectively with segregated collection pipe, upper half water ring with point Regulation valve group is respectively connected between adfluxion water pipe, between lower half water ring and segregated collection pipe, by segregated collection pipe and regulation Valve group is controlled to the spray flow and hydraulic pressure of upper half water ring and lower half water ring.
The water pressure adjustable range of the upper half water ring and lower half water ring be 0.2~0.8MPa, upper half water ring and The spray flow of lower half water ring adopts independent control mode, and spray flow scope is 30~120m3/ h, spray flow is adopted Electrodeless regulative mode.
Water inlet is set in the outer surface of the upper half water ring and lower half water ring, is sprayed water in upper half water ring and lower half Ring inner surface arranges cooling nozzles, and cooling nozzles quantity is some and orderly distribution.
The jet direction of the cooling nozzles has angle with steel pipe traffic direction.
The cooling spray ring is assembled and is mounted on independent elevating mechanism, and each independent cooling spray ring is equal in cooling spray ring group On the moving lifting bar of elevating mechanism, elevating mechanism is driven by hydraulic system.
Switching mechanism is installed on the moving lifting bar of the elevating mechanism, switching mechanism is mutually solid with upper half water ring Even, opened by switching mechanism and closed between upper half water ring and lower half water ring, and maximum opening angle is 110 °.
The beneficial effects of the utility model:
The utility model to upper half water ring in annular jet cooling device and lower half water ring spray flow by carrying out Independent setting, and set by parameters such as the unlatching quantity to water ring, spray flow and hydraulic pressure, can be to arbitrary caliber The conventional hot rolled seamless steel tube enforcement Controlled cooling process of (while wall thickness range is between 10~60mm), and according to the actual requirements Cooling spray ring quantity in setting cooling spray ring group quantity and per group of cooling spray ring group, final cooling temperature is accurately controlled in into 150~ Target temperature in the range of 750 DEG C;Each cooling spray ring is arranged between V-type variable-angle roller-way according to a determining deviation, is easy to Discharge cooling water, prevents cooling water from piling up in cooling device, beneficial to the high efficiency cooling heat transferring of steel pipe, improves cooling speed Rate;Meanwhile, possess open function between the upper half water ring and lower half water ring that cool down spray ring, when there is steel pipe in cooling procedure During the emergency situations such as bending, it is easy to smoothly take out the steel pipe of bending, and the maximum angle opened is more than 90 °, it is therefore prevented that on The unexpected closure of half water ring, it is ensured that security.To sum up, the hot rolled seamless steel tube On-line Control cooling that the utility model is provided Equipment has higher applicability, can meet high intensity, high uniformity, precisely temperature of the final cooling temperature in the range of 150~750 DEG C The hot rolled seamless steel tube On-line Control cooling technique of degree control needs.
Description of the drawings
Fig. 1 is a kind of schematic layout pattern of hot rolled seamless steel tube On-line Control cooling device of the present utility model;
Fig. 2 is cooling spray ring (closure state) structural representation of the present utility model;
Fig. 3 is cooling spray ring (opening) structural representation of the present utility model;
In figure, 1-cooling spray ring group, 2-V-type variable-angle roller-way, 3-upper half water ring, 4-lower half water ring, 5- Elevating mechanism, 6-moving lifting bar, 7-switching mechanism.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment.
As shown in Figures 1 to 3, a kind of some cooling spray rings of hot rolled seamless steel tube On-line Control cooling device, including quantity Group 1, the cooling spray ring group 1 is located between the V-type variable-angle roller-way 2 of cooling zone, and some cooling spray ring groups 1 are along roller-way Conveying direction is uniformly arranged;The cooling spray ring group 1 is made up of 6 independent cooling spray rings.
The cooling spray ring includes upper half water ring 3 and lower half water ring 4, the 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 respectively with segregated collection pipe, in upper half water spray Regulation valve group is respectively connected between ring 3 and segregated collection pipe, between lower half water ring 4 and segregated collection pipe, by segregated collection Pipe can be controlled with valve group is adjusted to the spray flow and hydraulic pressure of upper half water ring 3 and lower half water ring 4.
The water pressure adjustable range of the upper half water ring 3 and lower half water ring 4 is 0.2~0.8MPa.
The spray flow of the upper half water ring 3 and lower half water ring 4 can independently be controlled, according to technique need Ask, adjustable range is 30~120m3/ h, and spray flow adopts electrodeless regulative mode.
Water inlet is set in the outer surface of the upper half water ring 3 and lower half water ring 4, in upper half water ring 3 and lower half The inner surface setting cooling nozzles of water ring 4, cooling nozzles quantity is some and orderly distribution.
The jet direction of the cooling nozzles has angle with steel pipe traffic direction.
The cooling spray ring group 1 is fitted on independent elevating mechanism 5, cools down each independent cooling spray in spray ring group 1 Ring is installed on the moving lifting bar 6 of elevating mechanism 5, and elevating mechanism 5 is driven by hydraulic system.
Switching mechanism 7, switching mechanism 7 and upper half water ring 3 are installed on the moving lifting bar 6 of the elevating mechanism 5 It is fixedly connected with, is opened and closed by switching mechanism 7 between upper half water ring 3 and lower half water ring 4, and the maximum angular opened Degree is more than 90 °, maintenance in order to cooling device and emergent management when breaking down, and in turn ensures that security.
During actually used, according to the actual specification and process requirements of steel pipe, cooling parameter is set, concrete bag Include the unlatching quantity of cooling spray ring in cooling spray ring group 1, opening ways, irrigation pressure, upper half water ring and lower half water spray ring spray Discharge etc..Further, show through the substantial amounts of verification experimental verification of early stage, no matter whether the steel pipe in cooling procedure is using the side of rotation Formula, cooling water is all inconsistent in 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 through by roller-way from annular jet cooling device inside, you can realize the cooling procedure of steel pipe.
Secondly, when the actual outside diameter specification of steel pipe changes, only need to adjust elevating mechanism 5 to change cooling spray ring group 1 Highly, so ensure cooling spray ring coincide with the longitudinal center line of steel pipe, to meet the cooling needs of different size steel pipe, make Cooling device of the present utility model is provided with higher applicability.
Further, since the jet direction of cooling nozzles has angle, and cooling nozzles with jet with steel pipe traffic direction The mode of impinging cooling is cooled down to steel pipe, can be promoted cooling water in the instantaneous olderly flowage of steel tube surface and be broken up water Film, realizes the further lifting of cooling capacity, also preferably ensure that cooling uniformity.
Scheme in embodiment simultaneously is not used to limit scope of patent protection of the present utility model, all without departing from the utility model Carried out by equivalence enforcement or change, in being both contained in the scope of the claims of this case.

Claims (7)

1. a kind of hot rolled seamless steel tube On-line Control cooling device, it is characterised in that:Including some cooling spray ring groups of quantity, institute State cooling spray ring group to be located between the V-type variable-angle roller-way of cooling zone, and some cooling spray ring groups are along roller-way conveying direction It is uniformly arranged;The cooling spray ring group is made up of 4~8 independent cooling spray rings.
2. a kind of hot rolled seamless steel tube On-line Control cooling device according to claim 1, it is characterised in that:The cooling Spray ring includes upper half water ring and lower half water ring, and the upper half water ring is identical with lower half water spray ring structure and is symmetrical arranged, Upper half water ring and lower half water ring are connected respectively with segregated collection pipe, between upper half water ring and segregated collection pipe, under Regulation valve group is respectively connected between half water ring and segregated collection pipe, by segregated collection pipe and regulation valve group to upper half water ring And the spray flow and hydraulic pressure of lower half water ring are controlled.
3. a kind of hot rolled seamless steel tube On-line Control cooling device according to claim 2, it is characterised in that:The upper half The water pressure adjustable range of water ring and lower half water ring is the water spray of 0.2~0.8MPa, upper half water ring and lower half water ring Flow adopts independent control mode, and spray flow scope is 30~120m3/ h, spray flow adopts electrodeless regulative mode.
4. a kind of hot rolled seamless steel tube On-line Control cooling device 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, cools down in upper half water ring and lower half water ring inner surface setting Nozzle, cooling nozzles quantity is some and orderly distribution.
5. a kind of hot rolled seamless steel tube On-line Control cooling device according to claim 4, it is characterised in that:The cooling The jet direction of nozzle has angle with steel pipe traffic direction.
6. a kind of hot rolled seamless steel tube On-line Control cooling device according to claim 1, it is characterised in that:The cooling Spray ring is assembled and is mounted on independent elevating mechanism, and each independent cooling spray ring is installed in elevating mechanism in cooling spray ring group On moving lifting bar, elevating mechanism is driven by hydraulic system.
7. a kind of hot rolled seamless steel tube On-line Control cooling device according to claim 6, it is characterised in that:In the liter Switching mechanism is installed, switching mechanism is fixedly connected with upper half water ring, and upper half water ring is with on the moving lifting bar of descending mechanism Opened by switching mechanism and closed between half water ring, and maximum opening angle is 110 °.
CN201621164283.4U 2016-10-25 2016-10-25 Hot -rolling seamless pipe on -line control cooling arrangement Active CN206153302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621164283.4U CN206153302U (en) 2016-10-25 2016-10-25 Hot -rolling seamless pipe on -line control cooling arrangement

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Application Number Priority Date Filing Date Title
CN201621164283.4U CN206153302U (en) 2016-10-25 2016-10-25 Hot -rolling seamless pipe on -line control cooling arrangement

Publications (1)

Publication Number Publication Date
CN206153302U true CN206153302U (en) 2017-05-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269932A (en) * 2016-10-25 2017-01-04 东北大学 A kind of hot rolled seamless steel tube On-line Control cooling device
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
WO2021218357A1 (en) * 2020-04-29 2021-11-04 东北大学 On-line cooling system for hot-rolled seamless steel tube, and arrangement method for cooling device on on-line cooling system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269932A (en) * 2016-10-25 2017-01-04 东北大学 A kind of hot rolled seamless steel tube On-line Control cooling device
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
WO2021218357A1 (en) * 2020-04-29 2021-11-04 东北大学 On-line cooling system for hot-rolled seamless steel tube, and arrangement method for cooling device on on-line cooling system

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