CN107309280B - The controllable spray thrower of Multicarity flow - Google Patents
The controllable spray thrower of Multicarity flow Download PDFInfo
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- CN107309280B CN107309280B CN201710667874.6A CN201710667874A CN107309280B CN 107309280 B CN107309280 B CN 107309280B CN 201710667874 A CN201710667874 A CN 201710667874A CN 107309280 B CN107309280 B CN 107309280B
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- spray thrower
- spray
- breviseptum
- water
- flow
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Classifications
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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
-
- 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
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- 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
-
- 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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
Abstract
The present invention relates to hot-rolled sheet strip steel Controlled Rolling And Controlled Cooling fields, more particularly, to a kind of controllable spray thrower of Multicarity flow.The spray thrower includes: to be horizontally installed on the intracorporal damping sheet with holes of spray chamber, and the nozzle of spray thrower lower surface is arranged in, the long partition arranged vertically along water spray cavity length direction, and is arranged in the intracorporal multiple breviseptums of spray chamber.Water spray cavity is divided into several with separate chamber of different shapes by damping sheet, long partition and breviseptum with holes, and the flow of each chamber individually controls, and Jetstream fluid shape can be kept good under wide pressure, flow adjusting condition.The present invention can make the instantaneous cooling rate of steel plate realize that large-scale stepless is adjusted；Cooling Process for Steel Plate Based has high uniformity, fining, Homogeneous Cooling under the conditions of can realizing high-intensitive cooling to rear steel plate is rolled；The interior tissue of steel plate is uniform, stress is small, plate shape is good, it is possible to prevente effectively from the plate shape problem occurred in process of production.
Description
Technical field
The present invention relates to hot-rolled sheet strip steel Controlled Rolling And Controlled Cooling fields, controllably spray more particularly, to a kind of Multicarity flow
Collector.
Background technique
Controlled Rolling And Controlled Cooling quotes the production of hot rolling steel products extensively, and controlled rolling is the chemical component in adjustment steel
On the basis of, by technological parameters such as control heating temperature, rolling temperature, deformation systems, control austenitic state and phase-change product
Structural state, thus achieve the purpose that control steel structure property.Control cooling is cold after being rolled by control hot-strip
But condition controls phase change conditions, Carbide Precipitation behavior and austenite structure state to realize, to obtain ideal tissue
And performance.
Ultrafast cool equipment is exactly the capital equipment of controlled cooling technique, and equipment is mainly divided to two to be divided into gap nozzle cooling
Area and highly dense nozzle cooling zone two parts.Since steel plate medium temperature is high, ambient temperature is low, if inhomogeneous cooling is even, steel plate will
Deformation be easy to cause steel plate side wave, the unequal product defects of performance.This requires along plate width direction, middle water spray wants more,
Both sides can more just will obtain good version type.If spray thrower flow is ordinate using plate width as abscissa, curve is used
To indicate that curve intermediate projections, both sides are low, and here it is water crown curves along the variation of plate width direction water flow.
Existing most cooling equipment, water convexity be it is fixed, it is unadjustable.When control cold steel plate material is different, thickness not
Meanwhile the water convexity mode of this fixation will also result in the deformation of steel plate.
Patent CN101838724A provides a kind of band quenching controlled cooling collector of adjusting water convexity, discloses a kind of seam
The design scheme of gap spray nozzle device.But this scheme real-time is poor, the large-scale stepless that also cannot achieve steel plate is adjusted, and is adjusted
The accuracy of section is also relatively low, it is difficult to meet the processing needs of high quality steel.
Summary of the invention
The purpose of the present invention is to provide a kind of controllable spray throwers of Multicarity flow, and it is cooling uniform can to improve steel plate
Property, and realize the flexible control of cooling technique.
The controllable spray thrower of Multicarity flow provided by the invention, comprising: be horizontally installed on the intracorporal resistance with holes of spray chamber
Water spray cavity is divided into two chambers up and down by Buddhist nun's plate；The lower surface of spray thrower is arranged intensive apopore, at each apopore
One nozzle is installed respectively；
And it is vertically arranged in the intracorporal long partition of spray chamber；The long partition along spray thrower length direction arrange,
The connection of the following table face closure of its lower end and spray thrower, upper end pass through the damping sheet with holes, and the upper surface with spray thrower
Between there are gaps；
It is arranged in the intracorporal multiple breviseptums of spray chamber；The upper and lower side of the breviseptum respectively with the upper surface of spray thrower
And the connection of following table face closure, the upper chamber for cavity of spraying water at least is separated into three upper individual cavities along its length, on three
Individual cavity is respectively arranged water supply pipe.
Entire water spray cavity is according to the cooling Variation Features and water supply pipe of steel plate and the control mode of water supply valve group, by original
The single cavity shape come is divided into multiple cabinet shape cavitys of different shape and size, can reach the water spray for preferably adjusting nozzle
The purpose of effect and cooling uniformity obtains better steel grade and template.The flow controllable precise of each cavity, makes cooling technique
It is more flexible.
Further, the aperture that aperture is 3mm~5mm is uniform-distribution on the damping sheet with holes；The aperture according to
The size of entire box-type section is arranged, and 5~7 rows is arranged, each pitch of holes for arranging aperture is 8mm~12mm；Aperture is with resistance with holes
On the basis of the medium line of Buddhist nun's plate, both sides symmetry arrangement.
The damping sheet with holes of such form facilitates stationary flow, and is distributed in cooling water uniformly in each chamber.
Further, described three upper individual cavities pass through individual water supply pipe respectively and connect with total watering, to protect
Demonstrate,prove the stabilization of water temperature and pressure of supply water；Control valve and flowmeter are installed on each individual water supply pipe, respectively to realize to each
The flow in region is accurately controlled.
Further, the breviseptum is two groups, and the center cross-sectional of two groups of breviseptums about spray thrower or so pair
Claim, the upper cavity for cavity of spraying water is separated into three upper individual cavities along its length.
Three or more individual cavities respectively correspond intermediate region and two end regions of steel plate, the flow of each upper individual cavity
Controllable precise can easily realize cooling uniformity.
Further, angle of the breviseptum between plate, with the damping sheet with holes is greater than 0 and no more than 45 °, with
The angle of long partition room is more than or equal to 30 ° and less than 90 °, and the length of the intracorporal long partition part of intermediate upper separate chamber accounts for entirely
The 50%~80% of long septum plate length.
Further, the apopore is in tilted layout on the lower surface thickness direction of spray thrower, apopore and spray
Angle between the lower surface of collector is 10 °~30 °.
Further, the diameter of the nozzle is 3mm~4mm, is coaxially arranged with apopore.
Nozzle inclination arrangement, water outlet and steel plate are at certain tilt angle.Spray header uses slanting jet, makes up and down
Jet area is symmetrical.
Further, the controllable spray thrower of Multicarity flow further include: be separately positioned on the water spray cavity
The drainpipe of lower chambers two sides.
Drainpipe is the flow in order to control water spray, can be from when the amount of water sprayed moment needed for steel plate needs to reduce very big
The drainpipe of two sides flows out, and preferably adjusts the cooling performance of steel plate.
Further, the lower end of the breviseptum is close to the part of spray thrower lower surface using multistage bending or multistage arc
The mode of shape makes the lower end of breviseptum get around the position where apopore.
The invention has the benefit that
The present invention has the cavity of multiple and different shapes, can keep jet stream under wide pressure, flow adjusting condition
Flow profile is good, and the instantaneous cooling rate of steel plate can be made to realize that large-scale stepless is adjusted.The steel plate for being 20mm for plate thickness
Maximum cooling rate >=50 DEG C/s, about 5 DEG C/s of minimum cooling rate；Greatly meet the demand of different product cooling technique.
Cooling Process for Steel Plate Based has high uniformity, can realize to rear steel plate is rolled fine under the conditions of high intensity is cooling
Change, Homogeneous Cooling；The interior tissue of steel plate is uniform, stress is small, plate shape is good, it is possible to prevente effectively from occurring in process of production
Plate shape problem.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the appearance schematic diagram of the controllable spray thrower of Multicarity flow provided by the invention；
Fig. 2 is the top view of the controllable spray thrower of Multicarity flow shown in FIG. 1；
Fig. 3 is the center cross-sectional schematic diagram of the controllable spray thrower of Multicarity flow shown in FIG. 1；
Fig. 4 is water Crown control curve graph；
Fig. 5 is the flow control schematic diagram of the controllable spray thrower of Multicarity flow provided by the invention；
Fig. 6 is the cross-sectional view for the controllable spray thrower of Multicarity flow that the embodiment of the present invention one provides；
Fig. 7 is the top view of the water spray cavity lower chamber for the spray thrower that the embodiment of the present invention one provides；
Fig. 8 is the top view of the water spray cavity lower chamber of spray thrower provided by Embodiment 2 of the present invention；
Fig. 9 is the top view of the water spray cavity lower chamber for the spray thrower that the embodiment of the present invention three provides；
Figure 10 is the top view of the water spray cavity lower chamber for the spray thrower that the embodiment of the present invention four provides.
Appended drawing reference:
1- water supplying pipe；2- water spray cavity；3- drainpipe；
4- nozzle；5- damping sheet with holes；6- long partition；
7- breviseptum；
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the appearance schematic diagram of the controllable spray thrower of Multicarity flow provided by the invention；Fig. 2 is shown in FIG. 1 more
The top view of the controllable spray thrower of cavity flow；Fig. 3 is the center cross-sectional of the controllable spray thrower of Multicarity flow shown in FIG. 1
Schematic diagram.The controllable spray thrower of Multicarity flow as shown in Figure 1 to Figure 3, comprising: water supplying pipe 1, water spray cavity 2, drainpipe 3,
Nozzle 4, damping sheet with holes 5, long partition 6 and breviseptum.
Damping sheet 5 with holes is horizontally installed in water spray cavity 2, and water spray cavity is divided into two chambers up and down；Spray thrower
Upper surface inlet opening is set, and connect water supplying pipe 1, intensive apopore is arranged in lower surface, installs respectively at each apopore
One nozzle 4.
Long partition 6 is vertically arranged in water spray cavity 2, and the length direction along spray thrower is arranged, lower end and spray collect
The following table face closure of pipe connects, and upper end passes through the damping sheet 5 with holes, and there are gaps between the upper surface of spray thrower.
The upper and lower side of breviseptum is closed with the upper surface and the lower surface of spray thrower connect respectively, by the upper of cavity 2 of spraying water
Chamber is at least separated into three upper individual cavities along its length, and three upper individual cavities are respectively arranged the individually controllable confession of flow
Water pipe 1.
The aperture that aperture is 3mm~5mm is evenly distributed on the damping sheet with holes 5；The aperture is according to entire box-type section
Size arrange, 5~7 rows are set, and each pitch of holes for arranging aperture is 8mm~12mm；Aperture is with the medium line of damping sheet with holes
On the basis of, both sides symmetry arrangement.
Fig. 4 is water Crown control curve graph, and Fig. 5 is the flow control of the controllable spray thrower of Multicarity flow provided by the invention
Schematic diagram processed.
In cooling procedure, edge is easy to produce surfusion to steel plate, be easy to cause steel plate side wave, the unequal product of performance
Defect.To realize to the cooling uniformity on steel plate width direction, the Crown control that cold-zone uses water flow is crossed to steel plate edge.
As shown in figure 4, realizing the special control to steel plate edge intensity of cooling by the adjustment for carrying out size water to steel plate edge water
System.When water Crown control valve is adjusted to 100% opening degree, laterally main cold-zone domain has identical water flow close to border region with collector
Degree is equivalent to and does not carry out water Crown control to steel plate edge.When water Crown control valve is adjusted to 0% opening degree, border region
It is maximum to carry out water Crown control amount, adjustment of the control valve 0% to 100% carries out water Crown control.
Usual water supplying pipe 1 is 3~6, and according to process requirement, each upper individual cavity is connected to 1 or more water supplying pipe.
Scheme as shown in Figure 5, the upper individual cavity of each of upper spray thrower is connected to two water supplying pipes 1 respectively, and is divided into 3 groups, often
One group of water supplying pipe installs control valve and flowmeter respectively, so that the flow to each upper individual cavity is accurately controlled.Under
Spray thrower uses same water supply scheme.All water supplying pipes share same water source, to guarantee water temperature and pressure of supply water
Stablize.It is multilayer nest structure inside segregated collection pipe, guarantees the waterflow stabilization for being diverted to every group of collector.Control valve can be quick
Switch, timely responds to the beginning or termination of cooling procedure, it is also possible to water stopping function when overhaul of the equipments；Control valve can use gas
Dynamic regulating valve first passes through calibrational capacity curve and carries out adjusted open loop, and valve openings degre needed for being rapidly achieved default constant flow is attached
Closely, it then forms closed loop by PID control and flowmeter to adjust, further fine tuning guarantees that actual flow and the stabilization for setting flow are same
Step.
Apopore is in tilted layout on the lower surface thickness direction of spray thrower, at 10 °~30 ° angles.The diameter of nozzle 4
It is coaxially arranged with apopore for 3mm~4mm.
The drainpipe 3 being connected to water spray cavity 2 is respectively set in the lower chambers two sides of water spray cavity 2.Drainpipe 3 is
In order to control the flow of water spray, when the amount of water sprayed moment needed for steel plate needs to reduce very big, can be flowed out from the drainpipe of two sides,
Preferably adjust the cooling performance of steel plate.
The lower end of breviseptum close to spray thrower lower surface part using multistage bend or multistage arc by the way of, make short
The lower end of partition gets around the position where apopore.
Fig. 6 is the cross-sectional view for the controllable spray thrower of Multicarity flow that the embodiment of the present invention one provides；Fig. 7 is that the present invention is real
The top view of the water spray cavity lower chamber of the spray thrower of the offer of example one is provided.
In the present embodiment, breviseptum 7 is plate, shares two pieces, and two pieces of breviseptums 7 are horizontal about the center of spray thrower
The upper cavity for cavity 2 of spraying water is separated into three upper individual cavities by section bilateral symmetry along its length.
Breviseptum 7 is vertical with damping sheet 5 with holes, and the angle between long partition 6 is more than or equal to 30 ° and less than 90 °, such as also
Optional 45 ° or 60 °；The length of intermediate intracorporal long 6 part of partition of upper separate chamber account for entire long septum plate length 50%~
80%, such as also desirable 60% or 70%.
In the further scheme of the present embodiment, angle of the breviseptum 7 between long partition 6 be more than or equal to 30 ° and
While less than 90 °, there is greater than 0 and is not more than 45 ° of angle also between damping sheet 5 with holes.
For example, breviseptum 7 is gradually tilted to the both ends of spray thrower from the upper surface of spray thrower to lower surface direction,
Make intermediate upper individual cavity in "eight" shape shape shape, is conducive to the diffusion injection of water flow, can effectively control steel plate edge
Surfusion.
Fig. 8 is the top view of the water spray cavity lower chamber of spray thrower provided by Embodiment 2 of the present invention.
In the present embodiment, breviseptum 7 is plate, is to be arranged vertically with damping sheet 5 with holes, long partition 6；It is separated into
In three upper individual cavities, intermediate upper individual cavity is entire spray thrower length in the length of spray thrower length direction
40%~70%.
Above-mentioned cavity distribution mode is conducive to the uniformly distributed injection of water flow, is not in local overcooling phenomenon.This mode is more
For lower spray thrower.
In the further scheme of the present embodiment, breviseptum 7 exists greater than 0 and little also between damping sheet 5 with holes
In 45 ° of angle.
For example, breviseptum 7 is gradually tilted to the both ends of spray thrower from the upper surface of spray thrower to lower surface direction,
Make intermediate upper individual cavity in "eight" shape shape shape, is conducive to the diffusion injection of water flow, can effectively control steel plate edge
Surfusion.
Fig. 9 is the top view of the water spray cavity lower chamber for the spray thrower that the embodiment of the present invention three provides.
In the present embodiment, breviseptum 7 is " V " shape plate, and the angle of apex angle is more than or equal to 30 ° and less than 180 °；It is short every
Plate 7 is vertical with the damping sheet 5 with holes, and is arranged symmetrically about long partition 6；The intermediate intracorporal long partition part of upper separate chamber
Length account for the 60%~80% of entire long septum plate length.
The breviseptum 7 of two groups of " V " shapes is all made of that apex angle is opposite, the mode towards spray thrower center is arranged, is conducive to
The concentration of water flow is sprayed, and the jeting effect of steel plate middle section can be enhanced.
Figure 10 is the top view of the water spray cavity lower chamber for the spray thrower that the embodiment of the present invention four provides.
For the present embodiment unlike embodiment three, the breviseptum 7 of two groups of " V " shapes is all made of that apex angle is opposite, equal courts respectively
It is arranged to the mode at spray thrower both ends, is conducive to the diffusion injection of water flow, can effectively control the surfusion of steel plate edge.
To sum up, the present invention has the cavity of multiple and different shapes, can keep under wide pressure, flow adjusting condition
Jetstream fluid shape is good.The instantaneous cooling rate of steel plate can be made to can be realized large-scale stepless adjusting.It is for plate thickness
Steel plate maximum cooling rate >=50 DEG C/s of 20mm, about 5 DEG C/s of minimum cooling rate；Greatly meet the demand of different product cooling technique.
Cooling Process for Steel Plate Based has high uniformity, can realize to rear steel plate is rolled fine under the conditions of high intensity is cooling
Change, Homogeneous Cooling；The interior tissue of steel plate is uniform, stress is small, plate shape is good, it is possible to prevente effectively from occurring in process of production
Plate shape problem.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of controllable spray thrower of Multicarity flow characterized by comprising be horizontally installed on the intracorporal resistance with holes of spray chamber
Water spray cavity is divided into two chambers up and down by Buddhist nun's plate；The lower surface of spray thrower is arranged intensive apopore, at each apopore
One nozzle is installed respectively；
And it is vertically arranged in the intracorporal long partition of spray chamber；The long partition along spray thrower length direction arrange, under
End is connect with the following table face closure of spray thrower, and upper end passes through the damping sheet with holes, and between the upper surface of spray thrower
There are gaps；
It is arranged in the intracorporal breviseptum of spray chamber；The upper and lower side of the breviseptum respectively with the upper surface and the lower surface of spray thrower
The upper chamber for cavity of spraying water is separated into three upper individual cavities, three upper individual cavity difference by closing connection along its length
Arrange water supply pipe；
The breviseptum is two groups, and center cross-sectional bilateral symmetry of two groups of breviseptums about spray thrower；
The breviseptum is " V " shape plate, the breviseptum of two groups of " V " shapes be all made of apex angle it is opposite, towards the side at spray thrower center
The breviseptum of formula arrangement or two groups of " V " shapes is all made of the mode that apex angle is opposite, is respectively facing spray thrower both ends and arranges；" V " shape
The apex angle of plate is more than or equal to 30 ° and less than 180 °；Breviseptum is vertical with the damping sheet with holes and is arranged symmetrically about long partition；
The length of the intermediate intracorporal long partition part of upper separate chamber accounts for the 60%~80% of entire long septum plate length.
2. the controllable spray thrower of Multicarity flow according to claim 1, which is characterized in that on the damping sheet with holes
It is even to be dispersed with the aperture that aperture is 3mm~5mm；The aperture is arranged according to the size of entire box-type section, and 5~7 rows are arranged,
The pitch of holes of each row's aperture is 8mm~12mm；Aperture is on the basis of the medium line of damping sheet with holes, both sides symmetry arrangement.
3. the controllable spray thrower of Multicarity flow according to claim 1, which is characterized in that described three upper individual cavities
It is connect respectively by individual water supply pipe with total watering, to guarantee the stabilization of water temperature and pressure of supply water；Each individual water supply
Control valve and flowmeter are installed respectively on pipeline, the flow of each region is accurately controlled with realizing.
4. the controllable spray thrower of Multicarity flow according to claim 1-3, which is characterized in that further include difference
The drainpipe of the lower chambers two sides of the water spray cavity is set.
5. the controllable spray thrower of Multicarity flow according to claim 1-3, which is characterized in that the breviseptum
Lower end close to spray thrower lower surface part using multistage bend or multistage arc by the way of, get around the lower end of breviseptum
Position where apopore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667874.6A CN107309280B (en) | 2015-07-20 | 2015-07-20 | The controllable spray thrower of Multicarity flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427213.7A CN105170662B (en) | 2015-07-20 | 2015-07-20 | The controllable spray thrower of Multicarity flow |
| CN201710667874.6A CN107309280B (en) | 2015-07-20 | 2015-07-20 | The controllable spray thrower of Multicarity flow |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510427213.7A Division CN105170662B (en) | 2015-07-20 | 2015-07-20 | The controllable spray thrower of Multicarity flow |
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| CN107309280B true CN107309280B (en) | 2019-01-25 |
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| CN201710667874.6A Active CN107309280B (en) | 2015-07-20 | 2015-07-20 | The controllable spray thrower of Multicarity flow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101867682B1 (en) * | 2016-08-05 | 2018-06-15 | 주식회사 포스코 | Cooling apparatus |
| CN106424171B (en) * | 2016-09-18 | 2018-03-27 | 太原科技大学 | One kind is used for hot-rolled sheet strip steel high pressure water descaling device |
| FR3056422B1 (en) * | 2016-09-27 | 2019-06-28 | Fives Dms | SPRAYING RAMP OF A LUBRICATING AND / OR REFRIGERATING FLUID |
| CN109423541B (en) * | 2017-09-01 | 2020-10-27 | 宝山钢铁股份有限公司 | Production device and method for off-line quenching of steel pipe |
| DE102018202843A1 (en) | 2018-02-26 | 2019-08-29 | Sms Group Gmbh | Cooling device for cooling a material to be cooled |
| DE102018205685A1 (en) * | 2018-04-13 | 2019-10-17 | Sms Group Gmbh | Cooling device and method for its operation |
| DE102018205684A1 (en) * | 2018-04-13 | 2019-10-17 | Sms Group Gmbh | Cooling device and method for its operation |
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| CN109439883A (en) * | 2018-12-12 | 2019-03-08 | 中冶南方工程技术有限公司 | The spray cooling device of Strip Shape can be improved |
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2015
- 2015-07-20 CN CN201510427213.7A patent/CN105170662B/en active Active
- 2015-07-20 CN CN201710667874.6A patent/CN107309280B/en active Active
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Also Published As
| Publication number | Publication date |
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| CN105170662A (en) | 2015-12-23 |
| CN107309280A (en) | 2017-11-03 |
| GB201515561D0 (en) | 2015-10-14 |
| GB2529072A (en) | 2016-02-10 |
| CN105170662B (en) | 2017-10-17 |
| GB2529072B (en) | 2016-07-13 |
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