CN108633264A - Cooling device - Google Patents
Cooling device Download PDFInfo
- Publication number
- CN108633264A CN108633264A CN201580085790.0A CN201580085790A CN108633264A CN 108633264 A CN108633264 A CN 108633264A CN 201580085790 A CN201580085790 A CN 201580085790A CN 108633264 A CN108633264 A CN 108633264A
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- Prior art keywords
- mentioned
- cooling device
- refrigerant
- receiving space
- sink
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Classifications
-
- 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
- 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
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
- B21B2261/21—Temperature profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/04—Flatness
- B21B2263/06—Edge waves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Nozzles (AREA)
Abstract
The cooling device of one embodiment of the invention includes：Sink, including the top of cooled material is configured to accommodate the receiving space for the refrigerant being externally supplied；And multiple nozzles, it is set to the inside of above-mentioned receiving space, including the more than one refrigerant inflow port for making above-mentioned refrigerant flow into, above-mentioned multiple nozzles separate configuration from the edge of central portion towards the above-mentioned receiving space of above-mentioned receiving space, and the above-mentioned refrigerant flowed into via above-mentioned refrigerant inflow port is sprayed towards above-mentioned cooled material, the height of above-mentioned refrigerant inflow port and above-mentioned refrigerant inflow port from the central portion of above-mentioned receiving space separate at a distance from it is in direct ratio.
Description
Technical field
The present invention relates to cooling devices, are related to the water level of the sink according to the top for being set to cooled material in more detail
The cooling device that cooling water is poured into a mould to the width of cooled material set.
Background technology
In general, in the hot-rolled process of production rolled strip, the steel billet that certain temperature is heated in heating furnace is passed through
Roughing implements final rolling work by the milling train that finishes up to be rolled into web (bar) shape with belt shape, by by
During the runout table (Run Out Table) that multiple rollers are constituted, cooling water is poured into a mould to the top and the bottom of band to ensure to crimp
After temperature, hot rolling plate is produced with scroll shape using curler.
Runout table is finally rolled up as by the material i.e. band for the rolling that finishes up by heating furnace and roughing using curler
The process that band is conveyed before bent, is cooled to target temperature to determine the material and intensity of product by material in this process.
In cooling procedure, the occluded water fallen to the width direction central portion of band is flowed out via the edge of band, to usual two edge
The temperature in portion is lower compared to central portion.In this process, volume contraction occurs for edge that is formerly cooled first or being too cold, connects
It and starts volume contraction in then cooled central portion.The volume contraction time generates difference due to such temperature deviation, this
It is showed by the waveform shape of band.
Particularly, in the cooling process in hot-rolled process, band is usually cold under about 600 degree or more of the condition of high temperature
But covert section, therefore according to steel grade occurs in cooling procedure to which volume expansion occur, here, volume expansion with band
The central portion of material occurs compared to first cooled edge.Therefore, first cold in the covert beginning of some certain section edge
But the volume expansion of edge, and not yet occurring to volume on one side be cooled while receipts into the central portion of the high temperature in covert section
The phenomenon that contracting, this is the typical mechanism for the waveform for generating edge.
Invention content
(1) technical problems to be solved
It is an object of the present invention to prevent in the edge wave for being cooled to generate in the process of coiling temperature by cooled material
Shape.
Another object of the present invention is to provide a kind of with fast response and can steadily pour into a mould cooling water
Cooled material cooling device.
Some other purpose of the present invention can become more apparent by the following detailed description and drawings.
(2) technical solution
The cooling device of one embodiment of the invention includes：Sink, including the top of cooled material is configured to accommodate
The receiving space of refrigerant；And multiple nozzles, including the inside of above-mentioned receiving space is set to make above-mentioned refrigerant flow into
More than one refrigerant inflow port, above-mentioned multiple nozzles are from the central portion of above-mentioned receiving space towards above-mentioned receiving space
Edge separates configuration, and sprays above-mentioned refrigerant towards above-mentioned cooled material, the height of above-mentioned refrigerant inflow port with it is above-mentioned
The distance that refrigerant inflow port is separated from the central portion of above-mentioned receiving space is in direct ratio.
Above-mentioned sink may include that jet tray, above-mentioned jet tray include separating configuration and being formed with the more of internal thread in inner peripheral surface
A providing holes, said nozzle include the external screw thread for the internal screw-thread screw fastening for being formed in peripheral surface and above-mentioned providing holes, and
The position of said nozzle is adjusted by rotating said nozzle.
Above-mentioned multiple nozzles can be arranged along the direction parallel with the above-mentioned width direction of cooled material.
Said nozzle may include：Nozzle body, including above-mentioned external screw thread, and in a manner of substantially vertical with above-mentioned jet tray
Configuration, said nozzle ontology include the jet port for the lower end for being formed in internal injection flow path and being formed in above-mentioned injection flow path；
And nozzle cover, it is anchored on the top of said nozzle ontology, and be formed with multiple above-mentioned refrigerant inflow ports.
Said nozzle lid can screw togather fastening with said nozzle ontology, can adjust above-mentioned system by rotating said nozzle lid
The height of cryogen inflow entrance.
Above-mentioned jet tray may include multiple auxiliary providing holes, and above-mentioned multiple auxiliary providing holes are to penetrate through and above-mentioned cooled material
Expect that the mode of the one side of opposite above-mentioned jet tray separates configuration, and positioned at the central portion of above-mentioned receiving space, above-mentioned cooling dress
It further includes pilot jet to set, and above-mentioned pilot jet includes being connected to above-mentioned multiple auxiliary providing holes and to be flowed into than above-mentioned refrigerant
Mouthful the auxiliary inflow entrance that configures of the low mode of height.
Above-mentioned sink may include：Internal sink includes the side plate for separating direction configured in parallel with above-mentioned multiple nozzles；With
And supply pipe, above-mentioned refrigerant is supplied to the inside of above-mentioned internal water slot, above-mentioned side plate includes edge part, and above-mentioned edge part includes
The upper end higher than the upper end of central portion and above-mentioned central portion.
The upper end level of above-mentioned edge part can be towards the gradual increase in edge of above-mentioned receiving space.
Above-mentioned cooling device may also include mesh, and above-mentioned mesh is fixedly installed on the inner peripheral surface of above-mentioned internal sink,
And separate direction configured in parallel with above-mentioned multiple nozzles.
Above-mentioned mesh may include top mesh and the lower network positioned at the lower part of above-mentioned top mesh.
Above-mentioned supply pipe may be disposed at the center of above-mentioned receiving space, and above-mentioned mesh is configured at the two of above-mentioned supply pipe
Side, and contacted with above-mentioned supply pipe.
Above-mentioned sink may include：Internal sink, including above-mentioned receiving space and with above-mentioned multiple nozzles to separate direction flat
The side plate of row configuration；And outer water trough, it is configured at the outside of above-mentioned internal sink, and surround above-mentioned internal sink, above-mentioned spray
It penetrates plate to be configured between above-mentioned internal sink and said external sink, and with than above-mentioned internal sink and said external sink
The high mode in lower end configures.
Above-mentioned sink may also include auxiliary receiving space, above-mentioned auxiliary receiving space be located at above-mentioned internal sink with it is above-mentioned outer
Between portion's sink and it is formed in the top of above-mentioned jet tray.
The cooling device of another embodiment of the present invention may include：Sink, including it is configured at the top of cooled material
Accommodate the receiving space for the refrigerant being externally supplied；And multiple nozzles, it is set to the inside of above-mentioned receiving space, it is above-mentioned more
A nozzle includes selectively making the refrigerant inflow port of above-mentioned refrigerant inflow according to the water level of above-mentioned refrigerant and flowing
Jet port of the above-mentioned refrigerant entered towards above-mentioned cooled material injection.
The height of above-mentioned refrigerant inflow port can be along the gradual increase of width direction of above-mentioned cooled material.
Above-mentioned sink can above-mentioned sink include：Inner accepting space receives the supply of above-mentioned refrigerant；And external receiving
Space makes the above-mentioned refrigerant overflowed from above-mentioned inner accepting space flow into, and above-mentioned multiple nozzles are set to said external receiving
Space.
Above-mentioned sink can above-mentioned sink include side for dividing above-mentioned inner accepting space and said external receiving space
The height of plate, the central portion of above-mentioned side plate is lower than the edge part positioned at the both sides of above-mentioned central portion.
Height of the height of above-mentioned side plate corresponding with the above-mentioned width direction of cooled material than above-mentioned multiple nozzles
It is high.
Above-mentioned cooling device may also include pilot jet, and above-mentioned pilot jet includes the center for being set to above-mentioned receiving space
And the auxiliary inflow entrance configured in such a way that the height than multiple above-mentioned refrigerant inflow ports is low, above-mentioned multiple nozzles are configured at
State the both sides of pilot jet.
(3) advantageous effect
An embodiment according to the present invention, by improving the high expense when setting generated in previous edge masking methods
With, use when complicated structure and material and the failure that is frequently generated by severe working environment, making can be improved
Easiness, pouring stability and cast response.Therefore, it can be prevented by easily varying cooling water inflow to width direction
The supercooling of the edge of steel plate, to which the productivity and quality of final products can be improved.
Description of the drawings
Fig. 1 is the figure for schematically showing common hot-rolling arrangement.
Fig. 2 is figure the reason of illustrating that edge waveform occurs in cooling process.
Fig. 3 is the figure for showing the cooling device using masking edge.
Fig. 4 is the figure for the cooling device for schematically showing one embodiment of the invention.
Fig. 5 to Fig. 8 is the figure for showing cooling device shown in Fig. 4.
Fig. 9 and Figure 10 is the figure for the state for showing that Fig. 5 and cooling device shown in Fig. 8 work.
Figure 11 and Figure 12 is the figure for showing to adjust the process of the height of nozzle shown in fig. 5.
Figure 13 is the figure for the variation for showing cooling device shown in fig. 5.
Specific implementation mode
In the following, with reference to additional Fig. 1 to Figure 10, a preferred embodiment of the present invention is described in more detail.It can will be of the invention
Multiple embodiments deform in many ways, should not be understood as the scope of the present invention and limited by examples set forth below.This reality
It is in order to which the present invention is described in more detail by the technical staff to field of the present invention and provides to apply example.Therefore, in order to brighter
True explanation can exaggerate the shape for indicating attached each component shown in the drawings.
Fig. 1 is the figure for schematically showing common hot-rolling arrangement.As shown in Figure 1, hot-rolling arrangement includes：Heating furnace 11, adds
Hot steel billet (slab) 1；Roughing mill 12, the rolling stock roughing that will be heated in heating furnace 11；Finish up milling train 13, by the rolling of roughing
Material (for example, web (bar)) ending rolling；Runout table (Run Out Table) 14, the rolling stock of conveying ending rolling
(for example, band (stip))；And curler 15, the rolling stock that conveying comes is curled into roll bending.
Steel billet 1 pass sequentially through heating furnace 11, roughing mill 12, ending milling train 13, runout table (Run Out Table) 14 and
Curler 15 is curled into roll bending.When steel billet (or web) 1 after roughing is advanced to ending milling train 13, individually control configuration
Rolling stock is finished up in the mill speed of multiple milling trains of ending milling train 13 and is rolled.In this way, will heated in rolling stock 1
Stove 11 is curled into roll bending by curler 15 all work after being heated are commonly referred to as " hot rolling ".
14 conduct of runout table (Run Out Table) in such hot-rolled process will come by heating furnace 11 and roughing
Complete ending rolling rolling stock 1 be band 1 by curler 15 finally curling before convey band 1 process, by
Band 1 is cooled to target temperature to determine the material and intensity of product in the process.At this point, occurring as obstinate problem
The band waveform as shape defect is led to the problem of because of the cooling deviation of width direction, genesis mechanism is as follows.
Fig. 2 is figure the reason of illustrating that edge waveform occurs in cooling process.As shown in Fig. 2, in runout table (Run
Out Table) in cooling procedure in 14, the cooling water that is fallen to the width direction central portion of band 1 via band 1 edge
Outflow, therefore usually the temperature of edge is lower compared with the central portion of band 1.In this process, formerly cooled first or by
Volume contraction occurs for the band edge of supercooling, and volume contraction then takes place in then cooled 1 central portion of band.Because of this
The temperature deviation of sample and the volume contraction time generates difference, this is showed with the waveform shape of band 1.
Particularly, in the cooling process in hot-rolled process, band 1 is usually cold under 600 degree or more of the condition of high temperature
But, therefore according to steel grade covert section occurs in cooling procedure to which volume expansion occur, it is as previously described, such existing
As being that the central portion of band 1 first occurs compared to first cooled band edge.Therefore, edge takes place in certain certain section
Portion it is covert when, the volume expansion to cooled edge, and not yet enter covert section high temperature central portion occur one
Side be cooled one side volume contraction the phenomenon that, the phenomenon be edge generate waveform typical mechanism.
Fig. 3 is the figure for showing the band cooling device using previous masking edge.As shown in figure 3, the device is to pass through
The device of the supercooling of edge is prevented for preventing the method for the waveform generated in the edge of previous band 1.That is, in outlet roller
When being cooled down on road 14, in order to reduce the cooling deviation of the width direction generation along band 1, in stratiform tank (Laminar
Bank) (Edge Mask) equipment 18 is covered to work in 20 both ends installation edge.
The cooling water fallen in cooling procedure to the width direction central portion of band 1 is flowed out via the edge of band 1, because
This and central portion are lower compared to edge temperature and cause the cooling deviation of width direction, are arranged to improve this problem
Edge masking 18, as what is covered in a manner of making the cooling water poured into a mould from stratiform tank 20 not poured into a mould to 1 both ends of band
Equipment automatically carries out position control, not pour into a mould cooling water to the edge of most 300mm of all width of hot-rolled band 1,
Or cooling water is not poured into a mould to the edge of most 150mm of side.
But edge supercooling prevention method as described above and the difficulty for depositing the high cost and maintained equipment when equipment is set
Spend both of these problems.In addition, edge masking 18 is connect by chain with motor, the power of motor is transmitted by chain to drive shaft, edge
Portion's masking 18 is moved in the width direction with driving axis connection.In hot-rolled process, in general, 600 DEG C or more of high temperature band exists
The section of runout table 14 is moved, therefore when generating vapor by cooling water, in generated vapor with in air
Oxygen reacted and what is generated scales (scale).Therefore, be exposed to high temperature and generate corrosion motor part, driving
Axis and connection drive shaft and chain interconnecting piece bearing formation scale, thus because the overload of motor and frequently occurrence of equipment therefore
Barrier.
In addition, in the case where detecting sensor (not shown) of position of band 1, the position due to generation of high-temperature vapor
It sets and detects not smooth so that the control that width direction frequently occurs is bad, and enters the unboiled water of the interconnecting piece of drive shaft and chain
Dirt is removed fixed scaling when overhauling edge masking 18 and is taken a lot of time by fixation.Because it is such maintenance and maintenance
It is difficult and frequently occur in the problem of important edge function against overcooling becomes partial state.
Fig. 4 is the figure for the cooling device for schematically showing one embodiment of the invention, Fig. 5 to Fig. 8 be show it is shown in Fig. 4
The figure of cooling device.Cooling device is set to the top of the roller-way 14 for conveying the band 1 for passing through the rolling of milling train 13 that finishes up.
As shown in figs. 5 and 8, cooling device includes internal sink 20 and outer water trough 30.Internal sink 20 includes can
The inner accepting space of refrigerant is accommodated, supply pipe 35 is configured at the inside of inner accepting space, and internally receiving space supplies
Refrigerant.The substantially parallel configuration of width direction of supply pipe 35 and band 1.Supply pipe 35 includes multiple supply hole 35a, from outside
The refrigerant of supply is via supply hole35a is contained in inner accepting space.On the other hand, differently with the present embodiment, supply
Pipe 35, which may also be disposed on the outside of inner accepting space, carrys out internally receiving space supply refrigerant.
Mesh component is fixedly installed on the inner peripheral surface of internal sink 20, is supplied to the peripheral surface support of pipe 35.Mesh
Component includes top mesh 62 and lower network 64, has the square cylinder shape with 35 substantially parallel configuration of supply pipe.
Outer water trough 30 is set to the outside of internal sink 20, and surrounds internal sink 20, and lid 31 is outside outer closures
The top of the opening of sink 30.As shown in figure 8, the front side plate and rear side plate of outer water trough 30 are from the front of internal sink 20
Side plate and rear side plate separate.
Jet tray 40 be respectively arranged between the front side plate of internal sink 20 and the front side plate of outer water trough 30 and
Between the rear side plate of internal sink 20 and the rear side plate of outer water trough 30, with this configuration positioned at inner accepting space
The external receiving space in outside is respectively formed in the top of jet tray 40.
Inner accepting space and external receiving space are divided by the front side plate of internal sink 20 and rear side plate, such as Fig. 5
Shown, front side plate and rear side plate include positioned at the edge part upper end 20a on the top of nozzle 50 and positioned at pilot jet 60
The central portion upper end 20b on top.At this point, central portion upper end 20b horizontal arrangements, and edge part upper end 20a is from central portion upper end 20b
One end (or both ends) be arranged obliquely upwards.
As shown in figure 5, jet tray 40 include multiple providing holes 41 and multiple auxiliary providing holes 42, and with the width of band 1
The substantially parallel configuration in direction and the top positioned at band 1.Particularly, the central portion (or centre) of jet tray 40 and band 1
Central portion (or centre) is corresponding, and the edge part of jet tray 40 is corresponding with the edge part of band 1.
Multiple auxiliary providing holes 42 are formed in the central portion of jet tray 40, and multiple providing holes 41 are formed in multiple auxiliary settings
The both sides (Fig. 5 only shows side) in hole 42.Auxiliary providing holes 42 is formed as the conical by its shape of sectional area reduction downwards
(tapered type), providing holes 41 are formed as the straight tube shape (straight type) that screw thread is formed in inner peripheral surface.
Nozzle 50 is set to providing holes 41, and separates configuration along the width direction of band 1.As shown in fig. 6, nozzle 50 includes
Nozzle body 52 and nozzle cover 54,54 mode engaged through the thread of nozzle cover are anchored on nozzle body 52, and nozzle body 52 passes through
Thread binding mode is anchored on providing holes 41.
Nozzle cover 54 includes the more than one refrigerant inflow port 54a penetrated through along the vertical direction, is fastened in nozzle cover 54
In the state of nozzle body 52, refrigerant inflow port 54a is connected to the flow path 53 of nozzle body 52.Nozzle cover 54 is included
The screw thread that circumferential surface is formed, 54 mode engaged through the thread of nozzle cover are anchored on the upper end 57 of nozzle body 52.
The upper end 57 of nozzle body 52 and the diameter of lower end 55 reduce and form step difference.Nozzle body 52 is included in
The screw thread that the peripheral surface of upper end 57 is formed, fastens with the thread binding mode that is threaded through of nozzle cover 54.In addition, nozzle body
52 be included in lower end 55 peripheral surfaces formed screw thread, with providing holes 41 inner peripheral surface formation be threaded through thread binding
Mode fastens.Therefore, the height of nozzle 50 can be adjusted by the rotation of nozzle body 52, and the rotation of nozzle cover 54 can be passed through
Transfer the height for adjusting refrigerant inflow port 54a.
The jet port 53a that nozzle body 52 is included in the flow path 53 of internal formation and is formed in the lower end of flow path 53, flow path
53 are connected to refrigerant inflow port 54a.The upper end of flow path 53 is formed as sectional area increased conical by its shape upward, therefore freezes
Agent can be smoothly flowed therein via refrigerant inflow port 54a to the inside of flow path 53.
Pilot jet 60 is set to auxiliary providing holes 42, and pilot jet 60 includes the system being connected to auxiliary providing holes 42
Cryogen inflow entrance 62.Auxiliary providing holes 42 is formed as the conical by its shape of sectional area reduction downwards, therefore refrigerant can be via system
Cryogen inflow entrance 62 is smoothly flowed therein to the inside of auxiliary providing holes 42.
As shown in figure 5, nozzle 50 is set to the both sides (only showing side in Figure 5) centered on pilot jet 60, spray
Height h1~h6 of the upper end of mouth 50 with said nozzle 50 from pilot jet 60 (or central portion of inner accepting space) to separate
The directly proportional modes of distance d increase.Therefore, height h1~h6 of refrigerant inflow port 54a with it is in direct ratio separated by a distance
Increase.In addition, the upper end level h0 of pilot jet 60 is located at the position lower than upper end level h1~h6 of nozzle 50.
Fig. 9 and Figure 10 is the figure for the working condition for showing Fig. 5 and cooling device shown in Fig. 8.In the following, with reference to Fig. 9 and figure
10 illustrate the working method of cooling device.As previously described, via supply pipe 35 to cooling device (be specially internal sink 20)
Inner accepting space supply refrigerant.Via supply hole 35a, internally receiving space supplies refrigerant, can be via lower web
The web pores 64a of the object 64 and web pores 62a of top mesh 62 filters foreign matter.At this time, it is preferable that web pores
The diameter of 64a is more than the diameter of web pores 62a.
As shown in Figure 10, refrigerant flows through the front side plate of internal sink 20 and rear side plate comes to external receiving space stream
Enter.Then, as shown in figure 9, refrigerant is according to the water level of the refrigerant accommodated in external receiving space, via refrigerant inflow port
62 to pilot jet 60 flow into after to band 1 spray, and via refrigerant inflow port 54a to nozzle 50 flow into after to band 1 spray
It penetrates.
That is, the increase of the water level with refrigerant, refrigerant is sprayed via refrigerant inflow port 62 at first, then from positioned at most
The refrigerant inflow port 54a of low position starts to the refrigerant inflow port 54a ejector refrigeration agent successively positioned at highest position.
Therefore, when the cast width of staff's refrigerant to be adjusted, if adjusting the refrigerant water level in external receiving space, basis
The water level of refrigerant decides whether to supply refrigerant, the thus cooling range of adjustable strip 1 to nozzle 50.
At this point, as shown in figure 9, jet tray 40 is set as higher than the lower end of the lower end of internal sink 20 and outer water trough 30,
The refrigerant sprayed from jet tray 40 is by towards the lower part of the lower part of jet tray 40 internal sink 20 outstanding and outer water trough
The guiding of 30 lower part can be prevented to unnecessary position ejector refrigeration agent.
The present invention is described in detail by preferred embodiment, but can also realize multiple implementations of mode unlike this
Example.Therefore, the technological thought and range for the multiple claims recorded below are not limited to preferred embodiment.
Mode for carrying out an invention
In the following, referring to Fig.1 1 to Figure 13, preferred multiple embodiments of the present invention are described in more detail.It can be to the reality of the present invention
It applies example and carries out the deformation of various ways, therefore should not be construed as the scope of the present invention and be defined in multiple embodiments described below.
Multiple the present embodiment are provided in order to which the present invention is described in more detail to those skilled in the art in the invention.Therefore, it is
More specific explanation, can exaggerate the shape for indicating attached each component shown in the drawings.
Figure 11 and Figure 12 is the figure for showing to adjust the process of the height of nozzle shown in fig. 5.As previously described, can pass through
Nozzle body 52 rotates to adjust the height of nozzle 50, and can adjust refrigerant inflow port by the rotation of nozzle cover 54
The height of 54a.
As shown in figure 11, in swivel nozzle lid 54, the height of refrigerant inflow port 54a increases, therefore can prevent from freezing
Agent flows into (compared with Fig. 9) via refrigerant inflow port 54a to the inside of nozzle 50.On the contrary, passing through swivel nozzle lid 54
When the height of refrigerant inflow port 54a being made to reduce, inside stream of the refrigerant via refrigerant inflow port 54a to nozzle 50 can be made
Enter.That is, independently (water level for adjusting refrigerant not only expends for a long time, also to nozzle the water level of user of service and refrigerant
50 entirety affect), it can be decided whether via 50 ejector refrigeration agent of nozzle for each nozzle 50 by swivel nozzle lid 54, by
This can realize the injection of the asymmetrical refrigerant on the basis of the center of band 1.
As shown in figure 12, in rotating nozzle body 52, the height of refrigerant inflow port 54a increases, therefore can prevent from making
Cryogen flows into (compared with Fig. 9) via refrigerant inflow port 54a to the inside of nozzle 50.On the contrary, passing through swivel nozzle sheet
Body 52 come make refrigerant inflow port 54a height reduce when, can make refrigerant via refrigerant inflow port 54a into nozzle 50
Portion flows into.That is, can be decided whether via the 50 ejector refrigeration agent of each nozzle, thus for nozzle 50 by rotating nozzle body 52
It can realize with the injection of the asymmetrical refrigerant at the center of band 1.
On the other hand, this example demonstrates by swivel nozzle lid 54 or nozzle body 52 come adjust refrigerant flow into
The case where height of mouth 54a, but it's not limited to that for the scope of the present invention, can pass through other embodiment and adjust refrigerant inflow
The height of mouth 54a.In addition, can be using driving devices such as motors come swivel nozzle lid 54 or nozzle body 52.
Figure 13 is the figure for the variation for showing cooling device shown in fig. 5.Differently with Fig. 5 illustrated above, refrigerant
Inflow entrance 52a can be formed in the side of nozzle 50.As shown in figure 13, nozzle 50 is set to the both sides centered on pilot jet 60
(side is only shown in Figure 5), height h1~h6 of refrigerant inflow port 54a with from (or the inner accepting space of pilot jet 60
Central portion) the distance d increases in direct ratio that separate.
The present invention is described in detail by preferred multiple embodiments, but can also realize the multiple of mode unlike this
Embodiment.Therefore, the technological thought and range for the multiple claims recorded below are not limited to preferred embodiment.
Industrial availability
The present invention can be applied to the cooling device of various ways.
Claims (19)
1. a kind of cooling device, which is characterized in that
Including：
Sink, including the top of cooled material is configured to accommodate the receiving space of refrigerant；And
Multiple nozzles, including the inside of above-mentioned receiving space is set to make the more than one refrigerant of above-mentioned refrigerant inflow
Inflow entrance, above-mentioned multiple nozzles separate configuration, and court from the edge of central portion towards the above-mentioned receiving space of above-mentioned receiving space
Above-mentioned refrigerant is sprayed to above-mentioned cooled material,
At a distance from the height of above-mentioned refrigerant inflow port and above-mentioned refrigerant inflow port are separated from the central portion of above-mentioned receiving space
It is in direct ratio.
2. cooling device as described in claim 1, which is characterized in that
Above-mentioned sink includes jet tray, and above-mentioned jet tray includes separating configuration and being formed with multiple settings of internal thread in inner peripheral surface
Hole,
Said nozzle includes the external screw thread for the internal screw-thread screw fastening for being formed in peripheral surface and above-mentioned providing holes, and passes through rotation
Turn said nozzle to adjust the position of said nozzle.
3. cooling device as claimed in claim 1 or 2, which is characterized in that
Above-mentioned multiple nozzles are arranged along the direction parallel with the above-mentioned width direction of cooled material.
4. cooling device as claimed in claim 2, which is characterized in that
Said nozzle includes：
Nozzle body, including above-mentioned external screw thread, and configured in a manner of substantially vertical with above-mentioned jet tray, said nozzle ontology packet
Include the jet port for being formed in the injection flow path of inside and being formed in the lower end of above-mentioned injection flow path；And
Nozzle cover, is anchored on the top of said nozzle ontology, and is formed with multiple above-mentioned refrigerant inflow ports.
5. cooling device as claimed in claim 4, which is characterized in that
Said nozzle lid screws togather fastening with said nozzle ontology, can adjust above-mentioned refrigerant stream by rotating said nozzle lid
The height of entrance.
6. cooling device as claimed in claim 2, which is characterized in that
Above-mentioned jet tray includes multiple auxiliary providing holes, and above-mentioned multiple auxiliary providing holes are opposite with above-mentioned cooled material to penetrate through
The mode of one side of above-mentioned jet tray separate configuration, and positioned at the central portion of above-mentioned receiving space,
Above-mentioned cooling device further includes pilot jet, above-mentioned pilot jet include be connected to above-mentioned multiple auxiliary providing holes and with than
The auxiliary inflow entrance that the low mode of the height of above-mentioned refrigerant inflow port configures.
7. cooling device as described in claim 1, which is characterized in that
Above-mentioned sink includes：
Internal sink includes the side plate for separating direction configured in parallel with above-mentioned multiple nozzles；And
Supply pipe supplies above-mentioned refrigerant to the inside of above-mentioned internal water slot,
Above-mentioned side plate includes edge part, and above-mentioned edge part includes the upper end higher than the upper end of central portion and above-mentioned central portion.
8. cooling device as claimed in claim 7, which is characterized in that
The gradual increase in edge of the upper end level of above-mentioned edge part towards above-mentioned receiving space.
9. cooling device as claimed in claim 7, which is characterized in that
Above-mentioned cooling device further includes mesh, and above-mentioned mesh is fixedly installed on the inner peripheral surface of above-mentioned internal sink, and with it is upper
That states multiple nozzles separates direction configured in parallel.
10. cooling device as claimed in claim 9, which is characterized in that
Above-mentioned mesh includes top mesh and the lower network positioned at the lower part of above-mentioned top mesh.
11. cooling device as claimed in claim 9, which is characterized in that
Above-mentioned supply pipe is set to the center of above-mentioned receiving space,
Above-mentioned mesh is configured at the both sides of above-mentioned supply pipe, and is contacted with above-mentioned supply pipe.
12. cooling device as claimed in claim 2, which is characterized in that
Above-mentioned sink includes：
Internal sink, including above-mentioned receiving space and the side plate for separating direction configured in parallel with above-mentioned multiple nozzles；And
Outer water trough, is configured at the outside of above-mentioned internal sink, and surrounds above-mentioned internal sink,
Above-mentioned jet tray is configured between above-mentioned internal sink and said external sink, and with than above-mentioned internal sink and above-mentioned
The mode that the lower end of outer water trough is high configures.
13. cooling device as claimed in claim 12, which is characterized in that
Above-mentioned sink further includes auxiliary receiving space, and above-mentioned auxiliary receiving space is located at above-mentioned internal sink and said external sink
Between and be formed in the top of above-mentioned jet tray.
14. a kind of cooling device, which is characterized in that
Including：
Sink, including the top of cooled material is configured to accommodate the receiving space for the refrigerant being externally supplied；And
Multiple nozzles, are set to the inside of above-mentioned receiving space, and above-mentioned multiple nozzles include being selected according to the water level of above-mentioned refrigerant
Make to selecting property refrigerant inflow port that above-mentioned refrigerant flows into and by the above-mentioned refrigerant of inflow towards above-mentioned cooled material
The jet port of injection.
15. cooling device as claimed in claim 14, which is characterized in that
Width direction gradual increase of the height of above-mentioned refrigerant inflow port along above-mentioned cooled material.
16. cooling device as claimed in claim 14, which is characterized in that
Above-mentioned sink includes：
Inner accepting space receives the supply of above-mentioned refrigerant；And
External receiving space makes the above-mentioned refrigerant overflowed from above-mentioned inner accepting space flow into,
Above-mentioned multiple nozzles are set to said external receiving space.
17. cooling device as claimed in claim 16, which is characterized in that
Above-mentioned sink includes the side plate for dividing above-mentioned inner accepting space and said external receiving space,
The height of the central portion of above-mentioned side plate is lower than the edge part positioned at the both sides of above-mentioned central portion.
18. cooling device as claimed in claim 17, which is characterized in that
The height of above-mentioned side plate corresponding with the above-mentioned width direction of cooled material is higher than the height of above-mentioned multiple nozzles.
19. cooling device as claimed in claim 14, which is characterized in that
Above-mentioned cooling device further includes pilot jet, above-mentioned pilot jet include be set to above-mentioned receiving space center and with than
The auxiliary inflow entrance that the low mode of the height of multiple above-mentioned refrigerant inflow ports configures,
Above-mentioned multiple nozzles are configured at the both sides of above-mentioned pilot jet.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150181265A KR101726763B1 (en) | 2015-12-17 | 2015-12-17 | Apparatus for cooling |
| KR10-2015-0181265 | 2015-12-17 | ||
| PCT/KR2015/013995 WO2017104881A1 (en) | 2015-12-17 | 2015-12-21 | Cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108633264A true CN108633264A (en) | 2018-10-09 |
| CN108633264B CN108633264B (en) | 2020-04-07 |
Family
ID=58579711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580085790.0A Active CN108633264B (en) | 2015-12-17 | 2015-12-21 | Cooling device |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20190084021A1 (en) |
| EP (1) | EP3391977A4 (en) |
| JP (1) | JP2018538144A (en) |
| KR (1) | KR101726763B1 (en) |
| CN (1) | CN108633264B (en) |
| WO (1) | WO2017104881A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102010057B1 (en) * | 2017-12-11 | 2019-08-12 | 주식회사 포스코 | Cooling apparatus |
| KR102217531B1 (en) * | 2018-11-21 | 2021-02-19 | 주식회사 포스코 | Hot strip cooling apparatus and control system of the same |
| KR102300915B1 (en) * | 2020-05-27 | 2021-09-10 | 현대제철 주식회사 | Uniform cooling device for hot-rolled steel sheet and control method therefor |
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| CN2684971Y (en) * | 2004-01-06 | 2005-03-16 | 朱萃汉 | A continuous casting two-cooling chamber casting blank gas cooling apparatus |
| CN1997759A (en) * | 2004-06-30 | 2007-07-11 | 株式会社Posco | Hot rolled strip cooling device with coolant header |
| KR101008071B1 (en) * | 2008-05-29 | 2011-01-13 | 주식회사 포스코 | Cooling Apparatus for Rolling Line |
| KR20120071711A (en) * | 2010-12-23 | 2012-07-03 | 주식회사 포스코 | Cooling header |
| CN104107839A (en) * | 2014-06-26 | 2014-10-22 | 武汉钢铁(集团)公司 | Method and device for improving super-rapid cooling evenness of hot rolled steel plate |
| KR101481616B1 (en) * | 2013-08-08 | 2015-01-12 | 주식회사 포스코 | Apparatus for cooling strip |
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| KR100311782B1 (en) * | 1996-08-14 | 2001-12-17 | 이구택 | Laminar flow cooling device enabling widthwise uniformed cooling |
| JP2000051921A (en) * | 1998-08-03 | 2000-02-22 | Nkk Corp | Cooling device and cooling method for high-temperature steel sheet |
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| KR100560805B1 (en) * | 2001-06-29 | 2006-03-14 | 주식회사 포스코 | Device for injecting oil depending on widths of strip |
| KR101330871B1 (en) * | 2011-10-28 | 2013-11-18 | 현대제철 주식회사 | Cooling device for rolling mill |
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2015
- 2015-12-17 KR KR1020150181265A patent/KR101726763B1/en active IP Right Grant
- 2015-12-21 CN CN201580085790.0A patent/CN108633264B/en active Active
- 2015-12-21 JP JP2018531109A patent/JP2018538144A/en active Pending
- 2015-12-21 EP EP15910802.6A patent/EP3391977A4/en not_active Withdrawn
- 2015-12-21 US US16/063,638 patent/US20190084021A1/en not_active Abandoned
- 2015-12-21 WO PCT/KR2015/013995 patent/WO2017104881A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2684971Y (en) * | 2004-01-06 | 2005-03-16 | 朱萃汉 | A continuous casting two-cooling chamber casting blank gas cooling apparatus |
| CN1997759A (en) * | 2004-06-30 | 2007-07-11 | 株式会社Posco | Hot rolled strip cooling device with coolant header |
| KR101008071B1 (en) * | 2008-05-29 | 2011-01-13 | 주식회사 포스코 | Cooling Apparatus for Rolling Line |
| KR20120071711A (en) * | 2010-12-23 | 2012-07-03 | 주식회사 포스코 | Cooling header |
| KR101481616B1 (en) * | 2013-08-08 | 2015-01-12 | 주식회사 포스코 | Apparatus for cooling strip |
| CN104107839A (en) * | 2014-06-26 | 2014-10-22 | 武汉钢铁(集团)公司 | Method and device for improving super-rapid cooling evenness of hot rolled steel plate |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3391977A1 (en) | 2018-10-24 |
| KR101726763B1 (en) | 2017-04-13 |
| JP2018538144A (en) | 2018-12-27 |
| CN108633264B (en) | 2020-04-07 |
| US20190084021A1 (en) | 2019-03-21 |
| WO2017104881A1 (en) | 2017-06-22 |
| EP3391977A4 (en) | 2019-01-23 |
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