KR20110047627A - counter flow type cooling tower - Google Patents

Abstract

PURPOSE: A counter-current cooling tower is provided to supply a large amount of air to a filler by increasing the flow speed and flow rate of the air in the body of a cooling tower. CONSTITUTION: A counter-current cooling tower comprises a body(10), a distribution unit(20), a filler(25), a fan cylinder(30), a blowing fan(35), and a roof assembly(50). The distribution unit is installed on the upper part of the inside of the body to discharge cooling water. The filler is installed on the lower part of the distribution unit and cools high-temperature cooling water discharged from the distribution unit through heat exchange with external air. The fan cylinder is formed on the lower part of the body in an open state. The blowing fan is installed in the fan cylinder, external air flows into the body through the fan cylinder and moves up. The roof assembly is installed between the blowing fan and the filler.

Description

Counter flow type cooling tower

The present invention relates to a countercurrent cooling tower, and more particularly, to a countercurrent cooling tower with improved air blowing and cooling water heat exchange efficiency.

In general, a cooling tower is used in a heat exchanger or an air conditioner such as a refrigerator to cool a high temperature cooling water sent from a high temperature condenser that has completed a heat exchange to form a low temperature cooling water and continuously recycle it.

These cooling towers are applied in various forms and methods to remove heat from the cooling water that has become a high temperature, cross-flow type (counter flow type), counter flow type (hybrid type) and hybrid type (hybrid type) according to the heat exchange method Are roughly divided into

Here, the cross flow type cools the cooling water by allowing the coolant and the flow of air introduced from the outside to cross each other so that the coolant is cooled, and the counterflow type cools the coolant by allowing the coolant and the flow of air from the outside to face each other. Cooling, hybrid type is composed of a cross-flow type and countercurrent type.

Although the cooling tower has various forms as described above, such a cooling tower is widely used to cool the cooling water using air.

To this end, a method of suctioning external air into the cooling tower by installing a blower fan at the top of the cooling tower is used a lot, but this method is to negative pressure (negative pressure) the inside of the cooling tower so that the outside air flows in, There was a problem that the flow rate and flow rate of the air inside the cooling tower is not enough.

Therefore, there is a need for a cooling tower in which heat exchange efficiency can be further improved by allowing a greater amount of external air to be evenly supplied to a filler in which heat exchange is concentrated between cooling water and air.

In order to solve the above problems, the technical problem to be achieved by the present invention is to provide a countercurrent type cooling tower with improved air blowing property of the cooling tower.

In order to achieve the above technical problem, a main body forming the body, a cooling water distribution device provided on the inner upper side of the main body to discharge the cooling water, provided on the lower side of the cooling water distribution device, through the heat exchange with the introduced external air Filling material for cooling the high-temperature cooling water discharged from the cooling water distribution device, a fan cylinder which is formed in the lower portion of the main body, the inside of the fan cylinder is provided in the outside air flows into the inside of the main body through the fan cylinder upwards A blowing fan that provides a blowing force to move, and an external air provided between the blowing fan and the filling material to prevent cooling water discharged from the filling material from falling into the blowing fan, and blown by the blowing fan A roof assembly for guiding the body to spread throughout the interior space of the body To provide a counterflow cooling tower comprising.

The roof assembly includes a plurality of roof assemblies having a predetermined interval along the circumferential direction, and are provided in multiple stages so that external air is discharged radially through the stages, and the coolant collected in the panel It can be made to include a waterway portion for guiding the flow to the bottom of the tank.

The panel includes an upper plate constituting an upper surface and side plates formed on both sides of the upper plate so that the coolant falling on the upper plate flows down both sides along the side plate, and the upper plate and each of the upper plate. Inside the side plate may be guided to move the outside air.

The water channel may be connected to the lower end of the side plate between each of the panels provided to extend in the radial direction, it may be provided to be inclined so that the coolant flowing from the upper plate flows downward.

In addition, an inner wall is formed on the upper side of the upper plate to prevent the coolant from falling into the blowing fan, and at the edge of the upper plate to prevent the coolant from flowing down in the radial direction and to discharge the outside air upwardly. Guiding outer walls may be formed.

In addition, the roof assembly is provided with a plurality of installation frames provided at the upper side of the fan cylinder, the installation frame at a predetermined interval along the circumferential direction and provided in multiple stages, the outside air through each stage between It may include a panel for guiding to be discharged in the up, down, left and right directions.

The panel may be inclined upwardly and downwardly alternately in a radial direction at each end, and the roof assembly may further include a support frame supporting the respective panels.

Here, the panels provided at each stage may be alternated with the panels provided at the adjacent stages so that the coolant dropped on the panels may flow along the panels without falling into the fan cylinder.

In addition, the lower tank and the fan cylinder provided on the bottom of the main body may be provided integrally.

Referring to the effect of the countercurrent cooling tower according to the present invention.

First, the blower fan is provided on the lower side of the main body to form a positive pressure inside the main body, so that the flow rate and flow rate of the air inside the main body can be increased, through which more air can be supplied to the filler material heat exchange Efficiency can also be improved.

Second, the roof assembly is provided on the upper side of the blower fan to prevent cooling water from directly flowing into the blower fan, thereby enabling safe use of the blower fan.

Third, by guiding the panel of the roof assembly to move the outside air to the inner corners of the main body to move, the amount of external air supplied to the filler is increased, the cooling water can be cooled more effectively.

Fourth, the panel is alternately formed in the vertical direction so that the introduced air is discharged in the vertical direction to the inside of the main body, the air can be more evenly blown to the inside of the main body can be introduced into the filler.

With reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above technical problem will be described.

1 is a cross-sectional view illustrating a countercurrent cooling tower according to a first embodiment of the present invention, Figure 2 is a cross-sectional view taken along the line A-A of FIG.

As shown in FIGS. 1 and 2, the countercurrent cooling tower includes a main body 10, a coolant distribution device 20, a filler 25, a fan cylinder 30, a blower fan 35, and a roof assembly 50. It is preferable to include. Here, the main body 10 forms a main body, and the cooling water distribution device 20 is provided above the main body 10 to discharge the cooling water. In addition, the fan cylinder 30 may be opened at a lower portion of the main body 10, and the blowing fan 35 may be provided at an inner side of the fan cylinder 30. The blowing fan 35 provides a blowing force so that external air flows into the inside of the main body 10 through the fan cylinder 30 and moves upward. Accordingly, in the filler 25 provided at the lower side of the cooling water distribution device 20, the high temperature cooling water discharged from the cooling water distribution device 20 is cooled by heat exchange with external air blown through.

On the other hand, it is preferable that the roof assembly 50 is provided between the blower fan 35 and the filler 25. Here, the roof assembly 50 not only ensures that the blowing fan 35 is safely operated by preventing the cooling water discharged from the filler 25 from flowing into the blowing fan 35, but also the blowing fan 35. Since the outside air blown by the air can be guided so as to be dispersed and moved in the inner space of the main body 10 as a whole, the amount of blowing to the filler 25 is increased, thereby improving the cooling efficiency of the cooling water.

In detail, a cooling water distribution device 20 is provided at an upper side of the main body 10 forming a body, and a filler 25 is provided at a lower side of the cooling water distribution device 20.

Here, the coolant distribution device 20 is a high temperature of the coolant is discharged, the discharged coolant is dropped into the filler 25.

In addition, a fan cylinder 30 may be open at a lower portion of the main body 10.

In addition, a blower fan 35 may be provided inside the fan cylinder 30. Accordingly, when the blowing fan 35 is rotated, external air flows into the main body 10 through the fan cylinder 30.

In addition, the outside air introduced into the main body 10 flows upwardly by being introduced into the lower portion of the filler 25 by the blowing force, and the air moving upward in the filler 25 flows in the filler 25. The coolant is cooled by contacting the hot coolant.

Here, since the external air flowing into the main body 10 is blown to every corner of the main body 10 by the blowing pressure of the blowing fan 35, the air flow rate flowing into the filler 25 is Can be increased further.

Therefore, the amount of air that comes into contact with the cooling water flowing down from the filler 25 is increased, thereby further improving heat exchange efficiency.

On the other hand, the air passing through the filler 25 is discharged to the outside again through the upper portion of the main body 10, for this purpose, an exhaust port (not shown) may be formed on the upper portion of the main body 10.

In addition, the upper side of the cooling water distribution device 20 to guide the smooth flow of the air passing through the filler 25 and the eliminator to prevent the cooling water inside the main body 10 is scattered to be discharged out through the exhaust port 27 may be further provided.

In addition, the coolant cooled in the filler 25 drops to the lower portion of the main body 10, and the lower water tank 36 is provided at the bottom of the main body 10 so that the coolant falling may be collected.

Here, the lower tank 36 may be provided as a separate component under the main body 10, but the lower tank 36 is the main body 10 so that the collected cooling water can be prevented from leaking to the outside. It may be formed integrally with the bottom surface of the).

And, the fan cylinder 30 is lower than the bottom surface of the lower tank 36 so that the coolant dropped to the lower tank 36 is prevented from being discharged to the outside of the main body 10 through the fan cylinder 30. It is preferred to be provided high.

To this end, the fan cylinder 30 may be provided such that the lower edge is connected to the lower tank 36 and has a height upward.

In addition, the lower edge of the fan cylinder 30 may be integrally formed with the lower tank 36 so that the coolant is prevented from leaking from the connection between the fan cylinder 30 and the lower tank 36.

In this case, the fan cylinder 30 is made separately and may be installed in the lower water tank 36. In this case, an airtight member may be further provided at a coupling portion of the fan cylinder 30 and the lower water tank 36. Of course it can.

In addition, the coolant dropped to the lower tank 36 may be collected in the sump 38, and the collected coolant may be moved through the circulation pipe 39.

On the other hand, the roof assembly 50 is preferably provided between the blowing fan 35 and the filler 25.

In addition, the roof assembly 50 is preferably provided to cover the blowing fan 35.

Through this, it is possible to prevent the cooling water discharged from the filler 25 to fall into the blowing fan 35 to prevent the failure of the blowing fan (35).

In addition, the roof assembly 50 preferably guides the external air introduced by the blower fan 35 to be dispersed and moved in the inner space of the main body 10 as a whole.

Accordingly, the introduced air can be supplied to every corner of the filler 25 in a wide range so that more air can be contacted with the cooling water, thereby further improving heat exchange efficiency.

3 is a perspective view illustrating a roof assembly of a countercurrent cooling tower according to a first embodiment of the present invention, FIG. 4 is a cross-sectional view taken along line BB of FIG. 2, FIG. 5 is a cross-sectional view taken along line CC of FIG. 2, and FIG. DD line sectional drawing of a.

3 to 6, the roof assembly 50 preferably comprises a panel 60 and a waterway portion 70.

Here, the channel portion 70 is the upper end is located above the central portion of the fan cylinder 30, the channel body 72 is provided in the radial direction of the fan cylinder 30, so as to be inclined downward toward the radial direction It is preferred to be provided.

In addition, the channel body 72 is preferably provided extending to the outside of the fan cylinder (30).

Accordingly, a plurality of the water channel part 70 may be provided radially with respect to the upper side of the central portion of the fan cylinder 30 to form a conical shape as a whole.

And, the lower end of the waterway portion 70 is preferably located above the lower tank (36).

In addition, a pillar frame 80 may be provided in a vertical direction at the center of the fan cylinder 30.

To this end, a separate structure 81 may be further provided inside the fan cylinder 30 so that the lower end of the pillar frame 80 may be fixed.

And, the upper end of the waterway portion 70 may be coupled to the upper portion of the pillar frame 80, through which, the waterway portion 70 can be firmly provided on the upper side of the fan cylinder (30). do.

On the other hand, the waterway portion 70 is preferably provided with a plurality of the panel 60.

Here, the panel 60 may include an upper plate 61 and a side plate 63.

First, the upper plate 61 forming the upper surface of the panel 60 is preferably formed to be inclined downward in the radial direction of the fan cylinder 30.

In addition, it is preferable that the side plates 63 are provided on both sides of the upper plate 61 to form side surfaces.

In addition, the panel 60 formed as described above is preferably provided between the water passage portion 70 is installed.

To this end, it is preferable that the lower end of each side plate 63 is connected to each of the waterway portions 70 adjacent to each other, and accordingly, the panel 60 has a predetermined interval along the circumferential direction (the waterway portion ( 70) can be provided with a plurality of intervals (width) by the width.

In addition, the panel 60 provided as described above is preferably provided in multiple layers along the longitudinal direction of the water channel unit 70.

Accordingly, the panel 60 forms a multi-layered staircase formed so as to become wider from the upper side to the lower side, and forms an umbrella shape as a whole.

Therefore, the panel 60 may prevent the coolant falling from the filler (25 of FIG. 1), thereby preventing a problem such as failure of the coolant flowing into the blower fan 35 and causing a failure. do.

The coolant dropped on the upper plate 61 flows down or sideways along the inclined upper plate 61, and the coolant flowing down the side is connected to the lower end of the side plate 63. Inflow to the portion 70 is discharged downward along the channel portion 70 is discharged to fall in the lower tank (36).

On the other hand, a space 65 is formed inside the panel 60 by the upper plate 61 and the side plates 63.

In addition, since the space 65 communicates with the inside and the outside of the roof assembly 50, the air introduced by the blower fan 35 is blown through the space 65.

That is, the outside air introduced into the fan cylinder 30 can be discharged in the radial direction between the layers of the panel 60.

The air thus discharged is not only discharged radially, but also discharged through the flow path formed by the panel 60 to increase the flow rate.

Therefore, the air discharged from the roof assembly 50 may be dispersed in the inner space of the main body 10 as a whole and move far to every corner so that a larger amount of air may flow into the filler 25. .

On the other hand, the inner wall 66 is formed on the upper side of the upper plate 61, the outer wall 67 is preferably formed on the lower edge.

Here, the inner wall 66 may be formed at a predetermined height along the width direction of the upper plate 61.

Through this, the inner wall 66 may prevent the coolant dropped to the upper plate 61 to move to the upper side of the upper plate 61 can be prevented that the coolant falls to the blowing fan (35). .

In addition, the inner wall 66 is preferably bent in the outer direction of the panel 60 (the direction in which the air is discharged), through which the inner wall 66 of the air passing through the panel 60 by The disturbance of the flow can be reduced.

The outer wall 67 may also be formed along the width direction of the upper plate 61, where the outer wall 67 is preferably bent upward.

Therefore, since the coolant flowing along the inclined upper plate 61 after falling on the upper plate 61 is blocked by the outer wall 67, the coolant can be prevented from falling in the radial direction of the roof assembly 50. have.

In addition, the air discharged from the panel 60 may be prevented from directly hitting the coolant overflowing from the upper side of the panel 60, whereby the flow rate of the air discharged from the panel 60 is not reduced. Therefore, the kinetic energy that can reach every corner of the body 10 can be maintained.

In addition, the outer wall 67 guides the air discharged from the panel 60 upward.

Therefore, the air discharged from the panel 60 moves in the horizontal direction and hits the side wall of the main body 10 so that the kinetic energy may be reduced, and the like may naturally move upward.

In addition, the cooling water blocked by the outer wall 67 flows to both sides along the side plate 63 and flows into the water channel part 70.

As a result, the roof assembly 50 may flow into the lower tank 36 while preventing the coolant dropped to the roof assembly 50 from directly contacting the outside air to which the coolant is blown.

On the other hand, the inner end of the upper plate 61 is formed by bending in the direction of the fan cylinder 30 so that the air introduced through the fan cylinder 30 can be moved smoothly between the panel 60. (69) can be formed.

In addition, the upper panel 62 provided at the uppermost side may be directly coupled to the pillar frame 80, and may be integrally formed without a predetermined interval along the circumferential direction.

In addition, the upper panel 62 is formed with an upper discharge passage 62a through which coolant moves downward. The upper discharge passage 62a is formed in communication with the channel portion 70 so that the coolant falling on the uppermost panel flows down to the channel portion.

7 is a perspective view illustrating a roof assembly of a countercurrent cooling tower according to a second embodiment of the present invention, and FIG. 8 is a cross-sectional view of the roof assembly of a countercurrent cooling tower according to a second embodiment of the present invention. Description of the same configuration as that of the roof assembly provided in the countercurrent cooling tower of the first embodiment will be omitted.

7 and 8, the roof assembly 150 according to the present exemplary embodiment may include a panel 170 and a channel 180.

Here, the waterway portion 180 is the upper end is located above the central portion of the fan cylinder 30, the waterway body 182 is provided in the radial direction of the fan cylinder 30, so as to be inclined downward toward the radial direction It is preferred to be provided.

In addition, the channel body 182 is preferably provided extending to the outside of the fan cylinder (30).

Accordingly, a plurality of the channel 180 may be radially provided on the upper side of the central portion of the fan cylinder 30 to form a conical shape as a whole.

The lower end of the water channel 180 is preferably located above the lower water tank 36.

In addition, a pillar frame 190 may be provided in a vertical direction in the center portion of the fan cylinder 30. For this purpose, a separate lower end of the pillar frame 190 may be fixed to the fan cylinder 30. The structure may be further provided.

In addition, the upper end of the waterway unit 180 may be coupled to an upper portion of the pillar frame 190, and through this, the waterway unit 180 may be firmly provided on the upper side of the fan cylinder 30. do.

On the other hand, the waterway unit 180 is preferably provided with a plurality of the panel 170, the panel 170 may include an upper plate 171 and the side plate (173).

Here, the upper plate 171 forms the upper surface of the panel 170, and the side plate 173 is preferably provided on both sides of the upper plate 171 to form a side surface.

In addition, the panel 170 formed as described above is preferably provided between the water passage portion 180 is installed.

To this end, the lower end of each side plate 173 is preferably connected to each of the waterway portion 180 adjacent to each other, and accordingly, the panel 170 is a predetermined interval along the circumferential direction (the waterway portion ( A plurality of gaps can be provided.

In addition, the panel 170 provided as described above is preferably provided in multiple stages along the longitudinal direction of the water channel 180.

Accordingly, the panel 170 forms a stepped multi-stage that is formed to widen from the upper side to the lower side, and forms an umbrella shape as a whole.

Therefore, the panel 170 may prevent the coolant falling from the filler (25 of FIG. 1), and through this, the coolant flows into the blower fan 35 to cause a failure or through the fan cylinder 30. It is possible to prevent problems such as discharge.

The coolant flowing down to the upper plate 171 laterally flows into the channel 180 connected to the lower end of the side plate 173 and is discharged downward along the channel 180 to be discharged. It falls in the tank 36.

Meanwhile, a space 175 is formed inside the panel 170 by the upper plate 171 and the side plates 173, and the space 175 is formed of the fan cylinder 30 and the main body. Since it communicates with the inside, the air introduced by the blower fan 35 is blown through the space 175.

That is, the outside air introduced into the fan cylinder 30 can be discharged in the radial direction between the ends of the panel 170.

Through this, the air discharged through the panel 170 is not only radially discharged, but also discharged through the flow path formed by the panel 170 to increase the flow rate.

In addition, the panel 170 provided at each end is preferably provided with the upper plate 171 inclined upward and downward alternately toward the radial direction of the fan cylinder 30.

Accordingly, the air discharged through the panel 170 may be discharged upward and downward, and may be dispersed in the inner space of the main body 10 so that more air may flow into the filler 25. It becomes possible.

On the other hand, the inner wall 176 is formed on the upper side of the upper plate 171, the outer wall 177 is preferably formed on the lower edge.

Here, the inner wall 176 may be formed at a predetermined height along the width direction of the upper plate 171, and through this, the inner wall 176 may have coolant that has fallen to the upper plate 171 from the upper plate. It can be prevented to move to the upper side of the 171, it can be prevented that the coolant falls to the blowing fan 35 and the fan cylinder 30.

Further, the inner wall 176 is preferably bent in the outer direction (direction of air discharge) of the panel 170, through which, the inner wall 176 of the air passing through the panel 170 The disturbance of the flow can be reduced.

The outer wall 177 may also be formed along the width direction of the upper plate 171, and the outer wall 177 may be bent upward.

Therefore, the coolant flowing along the inclined upper plate 171 after falling on the upper plate 171 may be blocked by the outer wall 177 to prevent falling in the radial direction of the roof assembly 150.

In addition, the air discharged from the panel 170 may also be prevented from coming into direct contact with the coolant falling from the panel 170. As a result, the flow rate of the air discharged from the panel 170 is not reduced. Kinetic energy that can reach every corner of the main body 10 can be maintained.

In addition, the outer wall 177 guides the air discharged from the panel 170 upward.

Therefore, the air discharged from the panel 170 moves horizontally and hits the side wall of the main body 10 so that the kinetic energy may be reduced, and the like may naturally move upward.

In addition, the cooling water blocked by the outer wall 177 flows to both sides along the side plate 173 and flows into the waterway unit 180.

In this way, the roof assembly 150 may flow into the lower tank 36 while preventing the coolant dropped to the roof assembly 150 from directly contacting the outside air to be blown.

On the other hand, the inner end of the upper plate 171 is formed to be bent in the direction of the fan cylinder 30 so that the air introduced through the fan cylinder 30 can be moved smoothly between the panel 170. Can be.

In addition, an upper discharge passage 172a through which the coolant is moved is formed in the upper panel 172 provided on the uppermost side. The upper discharge passage 172a is formed in communication with the channel portion 180 so that the coolant falling on the upper panel 172 flows down to the channel portion.

9 is a perspective view showing a third embodiment of the roof assembly according to the present invention, Figure 10 is a cross-sectional view of the roof assembly in FIG.

9 and 10, the roof assembly according to the present embodiment may include an installation frame, a panel 250, and a support frame 267.

The installation frame may include a pillar frame 261, an inclined frame 263, and a fixed frame 265.

First, the pillar frame 261 may be provided in a vertical direction at the center of the fan cylinder 230. To this end, the fan cylinder 230 may be further provided with a separate structure for fixing the lower end of the pillar frame 261.

And, the inclined frame 263 is coupled to the upper end of the pillar frame 261 is provided in the radial direction of the fan cylinder 230, it may be provided with a plurality inclined downward toward the radial direction.

In addition, the inclined frame 263 may be provided to extend to the outside of the fan cylinder 230.

Accordingly, the inclined frame 263 may be provided in a radial number with respect to the pillar frame 261 to form a conical shape as a whole.

In addition, the inclined frame 263 is preferably provided with the fixed frame 265 in the circumferential direction.

Here, the fixing frame 265 may be provided in plurality at predetermined intervals along the inclined surface of the inclined frame 263, in which the number of installation of the fixing frame 265 to the panel 250 to be described later It can correspond to the singular constituted by.

As the pillar frame 261, the inclined frame 263, and the fixed frame 265 are structurally coupled to each other, the installation frame can be firmly installed.

On the other hand, the fixed frame 265 is preferably provided with a plurality of the panel 250. Here, one end of the panel 250 may be coupled to the fixed frame 265, and a plurality of panels 250 may be provided at predetermined intervals along the longitudinal direction of the fixed frame 265.

And the panel 250 is provided in this way is preferably provided in multiple stages along the longitudinal direction of the inclined frame (63).

In addition, each panel 250 provided at each end may be coupled to and supported by the other frame 250 and the support frame 267 provided at the upper side and the lower side.

Accordingly, the panel 250 forms a stepped multi-stage that is formed to widen from the upper side to the lower side, and forms an umbrella shape as a whole.

In addition, the panels 250 may be firmly installed by the installation frame and the support frame 267.

The panel 250 formed as described above blocks the cooling water dropped from the filler to prevent the cooling water from falling into the blower fan 235 or the fan cylinder 230.

In addition, it is preferable that the panels 250 provided at each stage are alternately provided with the panels 250 provided at adjacent stages.

Through this, the coolant falling from the panel 250 again flows down to the other panel 250 provided at the lower end, and finally to the lower tank 236 without falling into the fan cylinder 230. It can flow.

On the other hand, the air introduced through the fan cylinder 230 is blown out through the stage and the stage.

Here, the panel 250 provided at each end is preferably provided to be inclined upward and downward alternately toward the radial direction.

Accordingly, the air discharged through each stage and between the stages can be discharged in all directions of up, down, left and right so that the air can be dispersedly blown into the inner space of the main body. Can be introduced.

Meanwhile, the inner wall 276 is formed at one side of the panel 250, and the outer wall 277 is formed at the other edge thereof.

Here, the inner wall 276 may be formed at a predetermined height along the width direction of the panel 250.

The inner wall 276 may prevent the cooling water dropped to the panel 250 from flowing back into the roof assembly 250, and through this, the cooling water may be provided in the fan cylinder 230 and the blowing fan. Falling to 235 can be prevented.

Further, the inner wall 276 is preferably bent in the outer direction (air discharge direction) of the panel 250, through which the flow of air can be reduced by the inner wall 276 is reduced. .

In addition, the outer wall 277 may also be formed along the width direction of the panel 250, where the outer wall 277 is preferably bent upward.

Accordingly, the discharged air is guided by the outer wall 277 and can naturally move upward.

In addition, the inner end of the panel 250 is bent in the direction of the fan cylinder 230 to form a guide 279, through which the air introduced through the fan cylinder 230 through the panel It is possible to move smoothly between the 250.

11 is a cross-sectional view showing a fourth embodiment of a roof assembly according to the present invention.

Referring to FIG. 11, the roof assembly according to the present embodiment includes a panel 370 for guiding external air, a support frame 363 and a pillar frame 390 for supporting the panel 370, and gathered at the panel. It includes a channel for guiding the cooling water to the lower tank.

The panel 370 is provided in plural in the circumferential direction, and is provided while forming a plurality of stages in the vertical direction. In addition, the panel 370 is formed such that the size of the panel increases in the radial direction from the bottom to the top.

One side of the panel 370 is supported by the pillar frame 390, and the other side of the panel is supported by the support frame 363.

The channel portion includes a first channel portion 367 connecting between the stages of the panel 370 and a second channel portion 368 connecting the lowermost panel and the lower tank.

As a result, when the coolant from the coolant distribution device falls on the panel 370 of the roof assembly, the coolant is collected in the first channel portion 367 located at the center of the panel. The coolant that is moved to the first channel part 367 provided in the lowermost panel is guided to the lower tank while passing through the second channel part 368.

On the other hand, the outside air introduced by the rotation of the blower fan is primarily guided by the panel located at the lowest side, the outside air passing through the bottom panel is moved to the upper side is guided by the upper panel.

12 is a plan view showing a fifth embodiment of a roof assembly according to the present invention.

Referring to FIG. 12, the roof assembly 450 according to the present exemplary embodiment includes panels having different shapes from those of the aforementioned embodiments.

Specifically, the lowermost first panel 451 is provided in plural and arranged along the circumferential direction to form a rectangular outer edge in plan view, and the second panel 452 in the middle is provided in plural. They are arranged along the circumferential direction and form a circular outer border in plan view. In addition, the uppermost third panel 453 is provided as one circular panel, and the third panel 453 is formed with an upper discharge passage 453a for discharging cooling water downward.

In addition, the roof assembly 450 is provided with a channel 480 for guiding the coolant dropped on the panel to the lower tank provided in the lower portion of the cooling tower body.

13 is a view showing a sixth embodiment of a roof assembly according to the present invention.

Referring to FIG. 13, the roof assembly according to the present embodiment has a shape in which the panel 570 is inclined from the bottom to the top, unlike the above-described embodiment. In addition, the panel 570 includes a plurality of stages, for example, a first stage panel 571, a second stage panel 573, and a third stage panel 575 in the vertical direction. It is supported by the support frame 563.

The first end panel 571 and the second end panel 573 are connected to a first channel 567, and the second end panel 573 and the third end panel 575 are second channels. Connected to section 568.

The first channel part 567 extends vertically downward from the first end panel 571 and is connected to the second panel 573, and the second channel part 568 is the support frame 563. It is provided to be inclined from the top to the bottom while having substantially the same inclination angle. In addition, the second channel 568 guides the coolant collected in the third panel 575 to the lower tank.

In addition, unlike the above-described embodiments, the roof assembly according to the present embodiment does not have a separate pillar frame for supporting the support frame, and there is no separate structure for fixing the lower end of the pillar frame.

As described above, the present invention is not limited to the above-described specific preferred embodiments, and various modifications by those skilled in the art to which the present invention pertains without departing from the gist of the present invention claimed in the claims. Implementations are possible and such variations are within the scope of the present invention.

1 is a cross-sectional view showing a counter-current cooling tower according to a first embodiment of the present invention.

2 is a cross-sectional view taken along the line A-A of FIG.

Figure 3 is a perspective view of the roof assembly of the countercurrent cooling tower according to the first embodiment of the present invention.

4 is a cross-sectional view taken along the line B-B in FIG.

5 is a cross-sectional view taken along the line C-C in FIG.

6 is a cross-sectional view taken along the line D-D of FIG. 2.

Figure 7 is a perspective view showing a second embodiment of the roof assembly according to the invention

8 is a cross-sectional view of the roof assembly of FIG. 7.

9 is a perspective view showing a third embodiment of the roof assembly according to the present invention;

10 is a cross-sectional view of the roof assembly in FIG.

11 is a cross-sectional view showing a fourth embodiment of a roof assembly according to the present invention;

12 is a plan view showing a fifth embodiment of a roof assembly according to the present invention;

13 is a plan view showing a sixth embodiment of a roof assembly according to the present invention;

<Explanation of symbols for the main parts of the drawings>

10: main body 20: cooling water distribution device

25: Filler 30: Fan Cylinder

35: blower fan 50: roof assembly

60: panel 61: upper plate

63: side plate 66: inner wall

67: outer wall 69: guide

70: waterway portion 80: pillar frame

Claims (9)

A body forming a body; A cooling water distribution device provided at an inner upper side of the main body to discharge cooling water; A filling material provided below the cooling water distribution device to cool the high temperature cooling water discharged from the cooling water distribution device through heat exchange with the introduced external air; A fan cylinder open to the lower portion of the main body; A blowing fan provided inside the fan cylinder to provide a blowing force so that external air flows into the inside of the main body through the fan cylinder and moves upward; And It is provided between the blower fan and the filler to prevent the coolant discharged from the filler falls into the blower fan, and at the same time the outside air blown by the blower fan is spread throughout the inner space of the main body A countercurrent cooling tower comprising a guide roof assembly. The method of claim 1, The roof assembly A plurality of panels having a predetermined interval along the circumferential direction, the panels being provided in multiple stages so that external air is discharged radially through the stages; And Counterflow cooling tower characterized in that it comprises a water passage portion for guiding the cooling water collected in the panel flows to the lower tank of the main body. The method of claim 2, The panel includes an upper plate constituting an upper surface and side plates formed on both sides of the upper plate so that the coolant falling on the upper plate flows down both sides along the side plate, and the upper plate and each of the upper plate. A countercurrent cooling tower, characterized by guiding the outside air to move inside the side plate. The method of claim 2, The water channel portion is connected to the lower end of the side plate between each of the panels provided to extend in the radial direction, the counterflow type cooling tower, characterized in that the cooling water overflowed from the upper plate is inclined to move downward. The method of claim 3, An inner wall is formed on the upper side of the upper plate to prevent the coolant from falling into the blowing fan, and at the edge of the upper plate to prevent the coolant from flowing in the radial direction and to guide the external air discharged upward. Counterflow type cooling tower, characterized in that the outer wall is formed. The method of claim 1, The roof assembly An installation frame provided at an upper side of the fan cylinder; A counterflow type cooling tower including a plurality of the plurality of stages provided in the installation frame at a predetermined interval along the circumferential direction and provided in multiple stages, the panel for guiding external air to be discharged in the vertical, left, and right directions through the stages. The method of claim 6, The panel is inclined upwardly and downwardly alternately in a radial direction at each end, the countercurrent cooling tower further comprises a support frame for supporting the respective panels. The method of claim 6,  The countercurrent cooling tower is characterized in that the panels provided at each stage are alternated with the panels provided at the adjacent stages so that the coolant flows down the panel without falling into the fan cylinder. The method of claim 1, Countercurrent cooling tower, characterized in that the lower tank and the fan cylinder provided on the bottom of the body is formed integrally

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