KR20130075595A - Apparatus and method for cooling hot plate - Google Patents

Abstract

PURPOSE: An apparatus and a method for cooling hot plates are provided to precisely control the cooling of the front and rear ends of thick plates easily deformed by overcooling, cooling irregularity, or staying water. CONSTITUTION: An apparatus (1) for cooling hot plates comprises an apparatus header (30) and a cooling water blocking unit. The apparatus header is arranged on a moving path of the hot plates and comprises multiple nozzle units (10) for injecting or spraying cooling water. The cooling water blocking unit is connected to the apparatus header and blocks at least some cooling water to control the cooling capacity of the apparatus header.

Description

Apparatus and Method for Cooling Hot Plate

The present invention relates to a device and a method for cooling a high temperature material such as a thick plate (plate material), and more particularly, a coolant injected or sprayed from the apparatus header (cooling header) during the cooling of the line and the rear end of a high temperature material, in particular, a thick plate, etc. It is possible to rapidly shut off at least part or the whole of the device, and to enable rapid variable control of the cooling capacity of the device, thereby enabling rapid and precise cooling control of the entire plate or at least the front and rear ends, and ultimately the overall cooling efficiency. In addition, the present invention relates to a high temperature material cooling apparatus and method that enable improvement of quality.

The rolled material manufactured by the continuous casting process and subjected to the heating furnace, for example, slab, is subjected to a thick plate of a predetermined thickness through a rolling step such as a roughing mill and a finishing mill. To produce.

For example, as shown in Figure 1, for example, slabs (slab) produced by the continuous casting process, the slab (Slab) is heated to the target temperature according to the steel grade in the furnace 210, rolling through the furnace The material 200 is rolled up to a predetermined thickness, for example, the thickness of the final product, through a rolling step 220 such as a roughing mill (RM) and a finishing mill (FM). To produce).

Next, as shown in FIG. 1, the thick plate 200 which is primarily rolled to a predetermined plate thickness through a roughness rolling mill passes through a cooling facility such as an accelerated cooler 230 for controlling grain refinement or transformation.

Then, in order to increase the quality of the rolled product (thick plate product) through a leveling step through the leveler 240, and finally to the cooling table 250 is completed as a final product.

At this time, in order to manufacture the uncalibrated and deformed steel sheet, the optimization conditions are set from the heating furnace 210 to the accelerated cooler 230, and the factors causing the temperature non-uniformity of the management of the equipment and the rolled material (thick plate material) are removed. The process is essential.

As one example of the factors causing such temperature non-uniformity, the temperature control is based on the material temperature control in the accelerated cooler 230 shown in FIGS. 1 and 2.

In this case, as shown in FIG. 2, the accelerated cooler 230, although schematically illustrated in the drawing, includes four to seven banks 230a to 230d, and nozzles (not shown) are formed in the respective unit banks. Each of them may be composed of four to six upper and lower headers (232) (234).

However, in this case, the thick plate cooling through the accelerated cooler 230 described above is shown.

At this time, although schematically shown in the drawings, the cooling method of the high temperature material, in particular, the thick plate is a multi-jet method (porous nozzle) for pouring or spraying the cooling water in the cooling header as shown in Figure 2, and the cooling water through the slit-shaped nozzle in the header And a slit-jet method of spraying.

Next, FIGS. 3 to 5 illustrate a cooling process of a high temperature material such as a thick plate 200 by pouring or spraying cooling water in a conventional multi-jet method.

That is, as shown in FIG. 3, in the conventional thick plate cooling, as described above, based on the upper cooling header 232, the same cooling water W is multiplied in the length or width direction of the upper cooling header 232. -Inject or spray with the jet method (porous surface).

In particular, as shown in Figures 4 and 5, the same cooling water (W) irrespective of the top end or tail end (20b) and the rear plate center portion in the longitudinal direction of the rear plate 200 Since water is injected or sprayed, deformations (such as bending upwards) may easily occur due to uneven cooling of the front and rear portions of the thick plate that are easily overcooled.

In addition, in addition to the supercooling of the thick plate front and rear end, the deformation of the thick plate may be more generated when the number of stays accumulate on the upper surface of the thick plate.

Therefore, as shown in FIGS. 4 and 5, the injection or spraying of the upper cooling header 232 is stopped at the time when the front end 200a and the rear end 200b of the rear plate pass, so that the length usually ranges from about 1 m. When the temperature is prevented from being lowered by the overcooling of the tip 20a and the rear end 200b of the thick plate, or cooling is performed by reducing the flow rate of the cooling water supplied to the upper cooling header 232, The cooling control increases the cooling capacity by increasing the cooling water supply of the cooling header.

However, in the case of such a conventional multi-jet cooling header, that is, the upper cooling header mainly implements strong cooling, it is not easy to control the proper flow rate of the cooling water. For example, it is difficult to quickly control the cooling performance through the operation control of the valve of the supply pipe connected to the cooling header (the control valve (unsigned) provided in the pipe connected to the cooling header in FIG. 2), and the response of the actual valve is also quick. I haven't.

That is, in order to control the cooling capacity of the cooling water injected or injected in such a cooling header, in the case of operating control of the control valve of the cooling water supply pipe connected to the cooling header 232, although shown schematically in the drawing, the valve installed in the actual line Is a valve with a considerable size, and it is not easy to adjust the cooling capacity (cooling water injection or injection amount control) of the cooling header corresponding to the front and rear ends of the rear plate only by controlling the operation of the valve. Even if the opening is closed, the residual cooling water is sufficiently injected or injected through the cooling header, and therefore, it is difficult to effectively block rapid cooling water injection or injection at once.

6 illustrates a cooling graph of the head 200a and the tail 200b of the rear plate in the case of the conventional accelerated cooler 230.

In this case, as shown in FIG. 6, in the case of the conventional multi-jet injection header 232, actual cooling is implemented. In view of the scale and the size of the valve, the front and rear ends of the rear plate are particularly shortly passed. Since rapid cooling capability is difficult to control, a weak cooling jet header (236) having a reduced scale and reducing the amount of water to be injected or the cooling water may be disposed on one side of the cooling header 232.

That is, FIG. 8 illustrates a cooling state of the strong cooling through the cooling header 232 and the weak cooling through the injection header 236 (injection nozzle). In the case of FIG. It is shown.

Therefore, the cooling head 232 is cooled in parallel with the cooling of the material through the multi-jet cooling header 232, and the cooling header through the spray-injection injection header 236. Is stopped, and only the injection header 236 is operated to implement only weak cooling, and in particular, to implement controlled cooling of the front end rear end portions 200a and 200b of the rear plate.

However, since there is a limitation in controlling the cooling capacity of the strong cooling section through the upper cooling header 232, the cooling control in the section through which the thick plate line and the rear end pass even if weak cooling is implemented, does not easily achieve the desired goal.

That is, as can be seen from the graph in FIG. 6, the difference between the target coolant flow curve G2 at the front and rear ends of the actual thick plate and the flow curve G1 at the time of actual operation is severe.

Therefore, as shown in FIG. 7 and already described above, the problem of deformation of the plate due to uneven cooling remains at the front end 200a (as well as the rear end 200b of FIG. 5) of the rear plate 200. In case of this problem, the problem remains.

In particular, in the conventional case, since the rapid cooling water injection or injection cannot be blocked, the number of stays on the rear plate particularly causes a temperature difference between the upper and lower surfaces of the rear plate, thereby deteriorating the leading end or the rear end of the rear plate.

Therefore, in the art, it is possible to rapidly cut off at least part or all of the coolant injected or injected from the apparatus header (cooling header) at the time of cooling the wire and the rear end of a high temperature material, in particular, a thick plate and the like, thereby cooling the apparatus. By enabling rapid variable control of high temperature material, there is a need for a high temperature material cooling apparatus and method that enables rapid and precise cooling control of the entire plate or at least the front and rear ends, and ultimately improves the overall cooling efficiency and quality. .

In addition, in this technical field, the number of residences affecting plate deformation and quality during thick plate cooling does not occur at the desired time point or at the front or rear end of the plate through cooling water blocking, so that the temperature variation or plate deformation caused by the remaining water There is a need for a high temperature material cooling apparatus and method for effectively blocking the occurrence of

As an aspect for achieving the above-mentioned requirements, the present invention provides an apparatus header provided with a nozzle means provided on a moving path of a high temperature material and for pouring or spraying cooling water; And

Cooling water blocking means configured to control the cooling capacity of the apparatus header by blocking at least a portion of the main water or the sprayed coolant while being provided in conjunction with the apparatus header;

It provides a high temperature material cooling device configured to include.

Preferably, the cooling water blocking means, the sliding type of cooling water blocking means for blocking the coolant or sprayed cool water while sliding under the device header; And

Deployment type coolant blocking means provided to block water or sprayed coolant while being deployed under the apparatus header;

It may be configured to include any one.

At this time. The sliding coolant blocking means may include: a coolant blocking member wound around a driving roll provided as a motor to rotate on the apparatus header and passing the lower portion of the apparatus header to block the cooling water; And

Guide means associated with the driving roll and provided to guide the movement of the blocking member;

As shown in FIG.

Preferably, the guide means, the first guide surrounding the drive roll; And

A second guide associated with the first guide and provided as a movement guide of the blocking member passing from the driving roll to a lower portion of the apparatus header;

As shown in FIG.

More preferably, the first guide is provided with a cylindrical body surrounding the drive roll, and the second guide is provided with a rail structure that continuously guides both ends of the blocking member while being connected with the first guide. At the end of the second guide may further extend a third guide for compensating the movement of the blocking member.

At this time, the driven shaft through which the drive chain is fastened to the drive sprocket installed in the motor) is installed on the rotating shaft penetrating the driving roll, the rotating shaft can be rotated between the bearing blocks on both sides while being fixed through the driving roll. To be assembled.

In addition, the deployment type coolant blocking means, the drive chain provided to reciprocate on both sides of the apparatus header; And

A deployment unit configured to block cooling water at a lower portion of the apparatus header while being provided in conjunction with the driving chain while overlapping blocks are provided;

As shown in FIG.

Preferably, the drive chain is fastened to reciprocally move between the driven sprocket and the driven sprocket driven as motors provided on both sides of the apparatus header, and the drive chain may be further connected with a tension sprocket for maintaining tension.

More preferably, the deployment portion includes a plurality of stages of coolant blocking blocks that are sequentially inserted and deployed, and stoppers are provided at both ends of the blocking blocks to allow movement of adjacent blocks during deployment and overlapping of the blocks. The drive chain is connected to the blocking block at the tip of the blocking blocks.

At this time, the high temperature material is provided as a thick plate, the nozzle means, including a water pipe or a nozzle provided in the interior of the apparatus header, is configured to cool the high temperature material through the cooling water injection or spray.

In another aspect, the present invention comprises the steps of cooling by pouring or spraying the coolant through a cooling header to the high temperature material in progress; And

Controlling cooling by blocking at least a portion of the coolant injected or injected during the front end or the rear end cooling of the high temperature material by using the coolant blocking means provided in the high temperature material cooling device;

It provides a high temperature material cooling method comprising a.

In addition, the solution of the said subject does not enumerate all the features of this invention. BRIEF DESCRIPTION OF THE DRAWINGS The various features and advantages and effects of the present invention can be understood in more detail with reference to the following specific embodiments

According to the present invention, at the time of cooling a thick plate (plate), such as a high-temperature material in a multi-jet (porous surface) method, at least a part or all of the coolant injected or sprayed from the unit header of the unit is rapidly cut off at a desired time point. To make it possible to mask.

Accordingly, the present invention enables rapid variable control of the cooling capacity in the unit header of a unit.

As a result, the present invention precisely implements the cooling control of the front and rear ends of the thick plate, which is easily generated by supercooling, cooling unevenness, or deformation caused by retention water.

Thus, the present invention enables the overall uniform cooling of the thick plate.

1 and 2 is a schematic view showing a cooling facility such as a conventional thick plate
3 to 5 is a process diagram showing the front end and the rear end cooling of a conventional thick plate, in particular, a thick plate
Figure 6 is a graph showing the cooling flow rate of the front and rear end of the thick plate through the injection or injection through the conventional cooling header
Figure 7 is a schematic diagram showing the problem of the conventional plate deformation
8 is a schematic view showing liquid cooling of a conventional spray method
9 and 10 are front and side configuration diagrams showing the cooling apparatus of the first embodiment according to the present invention.
11 to 12 are side and front configuration views showing a cooling apparatus of a second embodiment according to the present invention.
Figure 13 is a side configuration diagram showing an operating state of the device of Figure 12
14 is a graph showing a cooling flow curve and a target cooling flow rate of at least a front end and a rear end of a high temperature material when the cooling device according to the present invention is applied;

Hereinafter, the present invention will be described in detail with reference to the drawings.

First, FIGS. 9 and 10 and 11 to 13 illustrate the high temperature material cooling apparatus 1 of the first and second embodiments according to the present invention, respectively. Therefore, in the present embodiment below, the present invention cooling apparatuses of the first and second embodiments will be described sequentially.

In the following embodiment, however, the high temperature material will be described as the thick plate 2. Therefore, in the following description of the present embodiment, a thick plate cooling apparatus will be described. Of course, it is not necessarily limited to this, Of course, the apparatus of the present invention can also be applied to the cooling control of the thin material, thick material or other plate material.

Meanwhile, the thick plate cooling apparatus 1 of the present invention is basically slid or developed under the apparatus header 30, that is, the apparatus header corresponding to the upper cooling header 232 of FIG. The constituent feature is that the cooling water injected or sprayed from the apparatus header 30 is rapidly shut off by the shutter method, and in particular, the cooling control of the front end 2a and the rear end 2b of the rear plate is enabled.

That is, as shown in Figs. 9 and 12, the thick plate cooling apparatus 1 of the present invention is basically provided on the movement path of the thick plate 2, a plurality of nozzles for pouring or spraying the cooling water (W) A device header 30 having means 10.

However, in the case of the present invention, preferably, the cooling water W injected or injected from the lower part of the apparatus header, in particular, before the front end 2a or the rear end 2b of the rear plate 2 enters the apparatus header 30, In order to shut off in a manner, the nozzle means 10 provided in the apparatus header 30 to feed the cooling water is to be provided to the water pipe.

Accordingly, in the present embodiment described below, the cooling means is described as the water inlet pipe 10. In the apparatus header 30, the cooling water W is injected through the plurality of water inlet pipes 10, that is, the water column is poured into the thick plate ( 2)) to cool the plate.

Of course, it is not necessarily limited to only the main water of the cooling water, it is also possible to spray the cooling water, in this case, the nozzle means 10 may be a nozzle having an injection hole.

However, hereinafter, the present invention is limited to cooling by the method of pouring the coolant in the present embodiment.

Next, as shown in Figs. 9, 10 and 11 to 13, the thick plate cooling apparatus 1 of the present invention, as described above, the coolant is poured while being provided in conjunction with the apparatus header 30 of the present invention It comprises a cooling water blocking means for blocking the at least a portion of the cooling capacity of the apparatus header, in particular, when the front and rear ends of the rear plate passes through the apparatus header to block the cooling water to be poured in the shutter method.

On the other hand, the cooling water blocking means of the present invention, as shown in Figure 9 and 10, sliding type cooling water blocking means 50 for blocking the cooling water to be poured while sliding in the lower portion of the apparatus header 30, As shown in 11 to 13, it may be provided to the developed coolant blocking means 150 provided to block the coolant (W) to be poured while being deployed in the lower portion of the apparatus header (30).

Therefore, the thick plate cooling device 1 of the present invention of the first and second embodiments of the present invention has a difference including the sliding coolant blocking means 50 and the developed coolant blocking means 150, respectively.

First, as shown in FIGS. 9 and 10, the sliding coolant blocking means 50 of the present invention is provided on a drive roll 52 provided as a motor 52a on the apparatus header 30 so as to rotately drive. It may be provided including a cooling water blocking member 54 provided to cut off the cooling water while passing through the lower portion of the apparatus header, and guide means 56 associated with the driving roll 52 and provided to guide the movement of the blocking member. .

Accordingly, the blocking member 54 wound around the driving roll 52 in accordance with the rotation direction of the motor 52a moves along the guide means 56 described in detail below, and moves the lower portion of the apparatus header 30 to the lower portion of the apparatus header 30. Passing through, and the cooling water (W) injected in the apparatus header 30 can be quickly blocked according to the passage width.

9A to 9C, the thick plate cooling apparatus 1 of the present invention according to the moving width of the blocking member 54 appropriately blocks the amount of water supplied (range) of the coolant to be poured. Implement cooling control.

9 and 10, the guide means 56 is connected to the first guide 58 and the first guide 58 of the cylindrical body surrounding the driving roll 52. The inner side is provided with a second guide (60) provided as a movement guide for guiding the movement of the blocking member 54 passing through the lower portion of the device header 30 from the drive roll 52 Can be.

In this case, the second guide 60 may be provided in a rail structure that continuously guides both ends of the blocking member 54 while being associated with the first guide 58, and more preferably, the second guide ( The third guide 62 provided as a rail structure for compensating the movement of the blocking member may be further extended to the end of the 60.

On the other hand, as shown in Figure 9, the guide roll 52 and the guide means 60 to which the blocking member 54 of the blocking means of the present invention is connected, is provided is divided in the longitudinal direction of the apparatus header 30, Guide means 60 may be a 'b' shaped steel structure.

Therefore, the blocking member 54 is carried out along the first to third guides 58, 60, 62 of the guide means 56, both edges of which are seated and supported by the guides of the rail structure, the driving roll In accordance with the rotation of the blocking member 54 allows the cooling water main width to be adjusted while moving forward or backward, which in turn is to control the amount of cooling water in the unit header 30 of the unit, to implement the cooling capacity control.

At this time, the blocking member 54 is bent to move, the thin plate that can be wrapped around the drive roll, for example, a stainless steel plate that is not generated corrosion or is provided as a ceramic thin plate with a heat resistance and a thin plate inside, or a thin plate They may be provided in the form of a shutter that can be connected to each other to be wound.

Therefore, in this case, the coolant is blocked while the blocking member moves along the second and third guides 60 and 62 of the rail structure of the '-'- shaped steel structure, thereby preventing the drop cooling on the thick plate.

At this time, as shown in Figure 9, the driven sprocket (55a) installed in the drive motor (52a) and the driven sprocket (55b) installed in the rotating shaft 53 assembled through the drive roll 52 and assembled with a key, etc. A drive chain 55c is connected therebetween, and the rotation shaft 53 is assembled between the bearing blocks 57 on both sides, and the bearing block can be fixed by an equipment frame (unsigned) or the like.

Accordingly, the driving chain rotates the rotation shaft when the motor is driven, and thus the blocking member having one end fixed to the driving roll 52 is poured while being sequentially advanced as shown in FIGS. 10A to 10C while surrounding the driving roll. Shut off the coolant.

At this time, the third guide 62 of the guide means is to compensate for the amount of advance of the blocking member, as shown in FIG.

Therefore, the guide means has a structure that covers the lower portion of the apparatus header, as well as the side portion to some extent, and since the first guide 58 is a cylindrical body surrounding the driving roll 52, the blocking member is very stable to block the cooling water being moved while moving. To facilitate.

As a result, according to the degree (width) of the cooling water blocking member 54 of the present invention moving forward in the steps of FIGS. 10A to 10C, the cooling water injected in the apparatus header 30 facilitates the control of a very fast and appropriate cooling capacity. It is.

Next, FIGS. 11 to 13 illustrate the cooling water blocking means 150 of the second embodiment according to the present invention.

That is, the development type coolant blocking means 150 of the present invention as shown in FIGS. 11 and 12 includes a drive chain 152 provided on both sides of the apparatus header 30 for reciprocating movement and overlapping blocks of multiple stages. While being provided in conjunction with the drive chain 152 while being provided, it may be configured to include a deployment unit 164 configured to block the coolant at the bottom of the apparatus header.

At this time, the drive chain 152 is fastened to reciprocate between the drive sprocket 156 and the driven sprocket 158 driven as the motor 156a provided on both sides of the apparatus header 30, more preferably the A tension sprocket 160 may be provided at one point of the movement path of the drive chain 152 to compress the drive chain to maintain tension.

At the same time, as shown in Figs. 11 and 12, the deployment unit 170 of the present invention to block the cooling water (W), which is poured in the lower portion of the apparatus header 30 in accordance with the developed width, while the development is, It may be provided including a plurality of stages of cooling water blocking blocks 172, 174, 176 that are provided to be sequentially inserted in size and provided to be deployed in multiple stages.

Therefore, the blocking blocks of the present invention can provide by appropriately blocking the cooling water (W) to be poured along in the developed state.

At this time, the driving chain 152 is connected to the blocking block 172 at the uppermost end of the blocking blocks 172, 174, 176 and the connecting table 178, and projections on one side or both sides of the blocking blocks. Type stoppers 180 are provided, and the blocking blocks except for the best blocking block among the blocking blocks have a space in which the preceding blocking block is inserted, and the stopper 180 of the preceding blocking block is caught at the front end thereof. A bent end that is formed.

Therefore, when the drive chain 152 reciprocates between the driving sprocket 156 and the driven sprocket 158 rotated by the driving of the motor 156a, the cutting block 172 of the top end of the deployment unit 170 is Advancing, and then moving forward to some extent, then the blocking block 174 advances while being supported by the stopper 180, and the last blocking block 174 is also advanced, as shown in FIGS. 13A and 13B. Depending on the development of the blocking blocks or the degree of overlap with each other, the cooling water injected from the apparatus header is blocked.

At this time, although not shown in Figure 11 and 12, the motor, the drive chain and the sprocket of the present invention is supported by brackets or supports connected to the installation frame or the device header, the deployment of the blocking blocks on both sides of the deployment unit 170 And guide rails of the 'c' to keep the movement at the time of overlap can be provided.

Of course, the last blocking block 176 is fixed to the installation frame (F), the front blocking block 172 is connected to the drive chain 152 and the connecting rod 178, the guide rail is not necessarily required.

On the other hand, in the case of the deployment type coolant blocking means 150 of the present invention, since the forward and backward of the blocking block is implemented by the drive chain 152, the drive chain 152 is not rotated in an endless track, the sprocket You will repeat forward or backward between them.

On the other hand, as shown in Figure 9 and 11, the apparatus header 30 of the present invention is connected to the cooling water supply pipe 32 including the valve 34, and thus the cooling water blocking means 50 of the present invention described so far (150) It is possible to shut off the initial rapid pouring coolant (W) to perform the cooling water supply control through the valve.

That is, in Fig. 14, the conventional cooling flow curve described in Fig. 7 is shown. At least the apparatus header 30 is cold-cooled by using the blocking means 50 during the cooling control of the front end portion 2a and the rear end portion 2b of the rear plate. Since the cooling water (W) to be poured in the ()) is blocked, the actual operating curve (G1) of the cooling flow can be controlled cooling close to the target curve (G2).

In particular, in the case of the present invention, because one of the sliding or expanded coolant blocking means (50, 150) blocks the coolant (or sprayed coolant) (W) to be injected in the lower portion of the apparatus header 30, the thick plate The cooling water main water is interrupted before the front end or the rear end of (2) passes, thus reducing the amount of retained water remaining at least of the cooling water on the thick plate.

Therefore, the apparatus of the present invention rapidly cuts off the coolant feed water at a desired time point during the entire cooling of the thick plate, and thus, when installed in the desired header in an accelerated cooler in which several headers are arranged in accordance with the material cooling conditions, precise cooling control is possible. It is.

As a result, the thick plate cooling apparatus 1 of the present invention prevents deformation of the thick plate through cooling control of the front end and the rear end of the thick plate, blocks the increase in the number of stays, and provides the desired header to provide appropriate cooling water in the cooling section. It is to enable controlled cooling through no water or non-injection.

1 .... High temperature material chiller 10 .... Nozzle means
12 .... hose 30 .... header
50 .... Sliding coolant shutoff
52 .... Drive roll 54 .... Coolant blocking member
56 .... guide means 58 .... first guide
60 .... The Second Guide 62 .... The Third Guide
150 .... Expandable coolant shutoff means 152 .... Drive chain
156 .... driven sprocket 158 .... driven sprocket
170 .... Deployment 172,174,176 .... Blocking of coolant

Claims (11)

An apparatus header (30) provided on a moving path of a high temperature material and having a plurality of nozzle means (10) for pouring or spraying cooling water; And
Cooling water blocking means configured to control the cooling capacity of the apparatus header by blocking at least a portion of the main water or the sprayed coolant while being provided in conjunction with the apparatus header;
High temperature material cooling device configured to include.
The method of claim 1,
The cooling water blocking means includes: a sliding type cooling water blocking means (50) for blocking the cooling water being injected or injected while sliding in the lower portion of the apparatus header; And
Deployment type coolant blocking means 150 provided to block main water or sprayed cooling water while being deployed under the apparatus header;
High temperature material cooling apparatus, characterized in that configured to include any one.
The method of claim 2,
The sliding coolant blocking means (50) comprises: a cooling water blocking member (54) wound around a driving roll (52) provided as a motor to rotate on the apparatus header (30) so as to block the cooling water while passing under the apparatus header; And
Guide means (56) associated with the driving roll (52) and provided to guide the movement of the blocking member;
High temperature material cooling apparatus, characterized in that configured to include.
The method of claim 3,
The guide means 56, the first guide 58 surrounding the drive roll 52; And
A second guide (60) associated with the first guide (58) and provided as a movement guide of the blocking member passing from the driving roll through the lower portion of the apparatus header;
High temperature material cooling apparatus, characterized in that configured to include.
5. The method of claim 4,
The first guide 58 is provided in a cylindrical body surrounding the drive roll,
The second guide 60 is provided in a rail structure that continuously guides both ends of the blocking member 54 while being connected to the first guide. High temperature material cooling apparatus, characterized in that the third guide 62 is further extended to the end of the second guide 60 to compensate for the movement of the blocking member.
The method of claim 3,
The rotating shaft 53 penetrating the driving roll 52 is provided with a driven sprocket 55b to which the driving chain 55c is fastened to the driving sprocket 55a installed in the motor 52a, and the rotating shaft ( 53) is a high temperature material cooling device, characterized in that rotatably assembled between the bearing block 57 on both sides while being fixed through the drive roll.
The method of claim 2,
The deployment type coolant blocking means 150 includes a drive chain 152 provided to reciprocate on both sides of the apparatus header 30; And
A deployment unit 170 configured to block cooling water at a lower portion of the apparatus header while being deployed in conjunction with the drive chain 152 while being provided with a plurality of blocks overlapping each other;
High temperature material cooling apparatus, characterized in that configured to include.
The method of claim 7, wherein
The drive chain 152 is fastened between a drive sprocket 156 and a driven sprocket 158 driven as motors 154 provided on both sides of the apparatus header, and a tension sprocket for maintaining tension in the drive chain 152. High temperature material cooling apparatus, characterized in that 162 is further linked.
The method of claim 7, wherein
The deployment unit 170 includes a plurality of stages of coolant blocking blocks that are sequentially inserted and developed, and stoppers 180 are provided at both ends of the blocking blocks to allow movement of adjacent blocks when the blocks are deployed and overlapped. The drive chain is a high temperature material cooling apparatus, characterized in that connected to the blocking block 172 of the front end of the blocking blocks.
The method of claim 1,
The high temperature material is provided as a thick plate, and the nozzle means 10 is provided as a water pipe or a nozzle provided in the inside of the apparatus header, the high temperature material cooling device, characterized in that configured to cool the high temperature material through cooling water injection or spraying .
Cooling by pouring or spraying the coolant through a cooling header to the hot material in progress; And
By using the cooling water blocking means provided in the high temperature material cooling device (1) according to any one of claims 1 to 10, by blocking at least a part of the cooling water injected or injected during the front end or the rear end cooling of the high temperature material Controlling cooling;
High temperature material cooling method comprising a.

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