KR20110072825A - Cooling tower of 3-way induced type - Google Patents

Abstract

PURPOSE: A 3-way suction type cooling tower is provided to uniformly and stably move air by installing a wind baffle inside a housing. CONSTITUTION: A 3-way suction type cooling tower comprises a cooling tower housing(110), cross flow type and counter flow type radiating units(120), a spraying unit(130), an exhaust unit(140), first, second, and third suction ports(111,112,113), an ejection unit(150), and a scattering prevention plate(160). The cross flow type radiating unit is arranged on the side of the housing, and the counter flow type radiating unit is arranged on the top of the cross flow type radiating unit. The spraying unit sprays cooling water at the top of the counter flow type radiating unit. The exhaust unit exhausts the sprayed cooling water. The first and second suction ports supply air to the inside the housing. The ejection unit ejects the supplied air to the outside through the top of the housing. The scattering prevention plate eliminates moisture from the ejected air.

Description

Cooling tower of 3-way induced type

The present invention relates to a three-sided suction cooling tower by improving the air suction structure to improve the cooling performance.

In general, air conditioners, refrigeration and refrigeration equipment, such as freezers or industrial heat exchangers are accompanied by the waste heat to be removed, in order to remove the waste heat is to discharge the waste heat to the atmosphere using a cooling medium. The cooling system is divided into air cooling type which is convective cooling by forced convection of atmospheric air which is lower than the cooling fluid and cooling tower which is cooled by using sensible cooling and latent heat by direct contact of cooling water and air. It is widely used because it is more economical than cooling device and its cooling effect is big.

 Increasing density of urban buildings in the 21st century and the growing use of amenities such as parking lots, rest areas, sports facilities, and green rooftops on the rooftops have limited constraints on the installation of cooling towers. Emphasis is placed on improving aesthetics that harmonizes the installed area with buildings and the surrounding environment, and demands cooling towers that are adapted to changing demand environments, such as less electrical energy consumption and water conservation, by enhancing the efficient use of energy. The cooling tower is classified into a cross flow type and a counter flow type according to the type of air flow and cooling water flow in the filler, which is a heat exchanger. The crossflow cooling tower needs a space in which the lower end of the FAN, which is an air outlet, is emptied so that air inflow is smooth. If the same power and the same performance, the installation area of the cooling tower needs about 20 to 30% more than the counterflow type.

However, the cooling tower is limited to the air inlet through which the intake air is introduced, the intake amount of the air is limited, and also the fall noise of the cooling water falling into the water surface before the sump tank.

It is an object of the present invention to provide a three-sided suction cooling tower which improves the cooling performance by improving the air suction structure.

The present invention provides a cooling tower housing forming an outer shape, a cross flow type heat dissipation unit disposed on the side of the cooling tower housing, and having a heat exchange function, and a counter flow type heat dissipation unit disposed on the cross flow type heat dissipation unit and having a heat exchange function. A sprinkling unit for supplying cooling water from an upper portion of the counterflow type heat dissipation unit, a discharge unit formed at a bottom of the cooling tower housing to discharge the sprinkled water from the sprinkling unit, and in the left and right directions of the cooling tower housing; First and second suction holes which are disposed in contact with the cross-flow filler and respectively supply air into the cooling tower housing, third suction ports which supply air from the lower direction of the cooling tower housing toward the counterflow filler, and the first to Discharge oil for discharging air supplied from the third suction port to the outside through the upper side of the cooling tower housing It provides a three-sided suction cooling tower comprising a net.

The first and second suction openings may include a louver coupled to an outside of the cooling tower housing to provide directionality to air introduced into the cooling tower housing.

The third intake port is formed to extend above the third intake port, thereby preventing interference of the advancing direction of the air introduced from the third intake port along the advancing direction of the air introduced from the first and second intake ports. A wind baffle may be included.

The cooling tower housing may be disposed below the counter-flow type heat dissipation unit, and may include a fall sound prevention unit that reduces noise caused by the cooling water supplied from the sprinkling unit.

The cooling tower housing prevents the cooling water supplied from the water spray unit from flowing out to the third intake port, and the suction air supplied from the third intake port flows in the direction of the discharge unit, so as to flow in the direction of the discharge unit. The plurality of plates partially shielded and inclined downward may include a coolant guide plate spaced apart below a predetermined interval.

The cooling tower housing may include a scattering prevention plate disposed under the discharge unit to remove moisture contained in air discharged to the outside of the cooling tower housing.

Three-sided suction cooling tower according to the present invention,

First, increase the air inflow to improve heat exchange performance,

Secondly, it is possible to reduce the height of the side suction port due to the formation of the lower suction hole,

Third, if the wind baffle is provided inside the cooling tower housing, the supplied air can be uniformly and stably flown.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

The three-sided suction cooling tower 100 is a cooling tower housing 110, a heat dissipation unit 120 having a heat exchange function, a sprinkling unit 130 for supplying cooling water to the heat dissipation unit 120, to discharge the coolant used for heat dissipation Discharge part 140, the first and second suction ports 111 and 112 formed on the side of the cooling tower housing 110, the third suction port 113 formed on the lower side of the cooling tower housing 110, each And a discharge unit 150 for discharging the air introduced from the suction port to the outside. In general, cooling towers are divided into counter-flow and cross-flow types according to the flow of air and water. In the counterflow type, the air moves from the bottom to the top, and the cross-flow type enters the air flow from the side through the louver. It is called.

1 is a perspective view of a cooling tower according to an exemplary embodiment of the present invention, and FIG. 2 is a cross-sectional view of the cooling tower shown in FIG. 1 (see FIG. 2 for a third suction port 113).

1 and 2, the cooling tower housing 110 is provided with air inlets 111, 112 and 113 by opening left and right sides and a bottom surface thereof, and a discharge hole 117 so that the air sucked to the top surface is discharged. Is formed. First and second suction holes 111 and 112 are formed at left and right sides of the cooling tower housing 110, and a third suction hole 113 (see FIG. 2) is disposed at a lower surface thereof. In addition, the first and second suction holes 111 and 112 provide directivity to air flowing into the cooling tower housing 110, prevent water droplets from scattering, and prevent inflow of foreign substances. Louver 114 is provided for introducing air to be inclined downward in the direction. The louver 114 may be coupled detachably or fixedly, and the louver 114 may be inclined downward in a horizontal direction to give a downward inclination.

The crossflow filler 122 is disposed in the cooling tower housing 110 adjacent to the first and second suction holes 111 and 112, and the counterflow filler 121 is disposed above the crossflow filler 122. Is placed.

The sprinkling unit 130 for supplying cooling water is disposed above the counterflow filler 121. The spraying unit 130 injects coolant into the counterflow filler 121 and the crossflow filler 122, and the air flowing into the first and second suction ports 111 and 112 is the crossflow filler 122 Heat dissipation by friction with the cooling water through the), and the air flowing into the third suction port 113 directly passes through the counterflow filler 121 to friction with the coolant to dissipate the heat. In addition, the air passing through the crossflow filler 122 may also pass through the counterflow filler 121 to double its heat dissipation effect.

The cooling water sprayed from the watering unit 130 passes through the counterflow filler 121 and the crossflow filler 122 and is rubbed with air to be discharged to the discharge unit 140 disposed below the crossflow filler 122. Collected and discharged.

Between the cross-flow filler 122 from the upper side of the discharge portion 140, the upper direction is partially shielded so that the air flowing from the third suction port 113 proceeds to the counter-flow filler 121, The cooling water guide plate 118 is installed to prevent the cooling water supplied from the watering unit 130 to be discharged through the counter-flow filler 121 and immediately discharged through the third suction port 113. The coolant guide plate 118 is disposed a plurality of plates inclined laterally downward from the lower side of the counterflow filler 121 is spaced apart below a predetermined interval, the lower end of the coolant guide plate 118 is located on the lower side The cooling water guide plate 118 is disposed so as to overlap a predetermined section. This prevents the coolant injected from the spraying unit 130 falls and falls to the third suction port 113.

In addition, the upper end of each cooling water guide plate 118 protrudes upward to prevent the water droplets falling on the upper surface of the cooling water guide plate 118 to flow backward. The inclination angle and the installation height of the coolant guide plate 118 may be changed in its installation position to prevent falling sound.

On the upper side of the third suction port 113, the air baffle is mixed with the air flowing from the first and second suction ports 111 and 112 in the direction of the counter flow filler 121 so as not to be affected by the traveling direction. 116 is provided. The wind baffle 116 is a cylindrical plate protruding upward along the inner circumferential surface of the third suction port 113 and protrudes to correspond to the heights of the first and second suction ports 111 and 112. And with respect to the advancing direction of the air flowing from the second intake port (111, 112), to prevent the interference of the air advancing direction flowing into the third intake port (113). In addition, it is possible to prevent the air introduced from the first and second suction ports 111 and 112 facing each other from being discharged to the opposite suction ports.

An upper portion of the watering unit 130 is provided with a scattering prevention plate 160 for removing moisture contained in the air discharged to the discharge port 117 of the cooling tower housing 110. The shatterproof plate 160 has a function of collecting and collecting water by friction with water droplets on the inclined surface of the shatterproof plate 160 when the water rising from the lower side is discharged to the upper side.

An upper side of the scatter prevention plate 160 is provided with a discharge unit 150 for sucking the air flowing from the first to third suction ports 111, 112, 113 to discharge to the discharge port 117. The discharge unit 150 includes a discharge fan 151 having a size corresponding to the discharge port 117, and a motor 152 for supplying power to the discharge fan 151.

3 is a cross-sectional view in which a fall sound prevention unit is added to the three-side suction cooling tower illustrated in FIG. 2. Referring to the drawings, the cooling tower housing 110 is disposed adjacent to the counter-flow filler 121 and the cross-flow filler (122) to the top of the coolant guide plate 118, the fall water prevention unit 119 ) Is provided.

The fall sound prevention unit guides the coolant falling from the counter flow filler 121 to the discharge unit 140, and the air flowing from the third suction port 113 is formed to proceed to the counter flow filler 121. do.

In the present embodiment, the filling material mixing type cooling tower formed in a box shape has been described as an example, but the structure can be modified into a shape change and an ultra low noise cooling tower, an anti-smoke cooling tower, and a sealed cooling tower.

Hereinafter, a method of operating the three-sided suction cooling tower according to an embodiment of the present invention will be described with reference to the accompanying drawings.

2 and 3, the three-side suction cooling tower 100 sucks air from the first to third suction ports 111, 112, and 113 by rotating the discharge fan of the discharge unit 150. At this time, the spraying unit 130 sprays the cooling water from the upper side of the counter flow filler 121 to supply the coolant to the cross flow filler 122 disposed below the counter flow filler 121.

Cooling water sprayed into the heat dissipation unit 120 rubs with air introduced from the first to third suction ports 111, 112, and 113 through the louver 114, and absorbs heat from the heat dissipation unit 120. It is discharged to the discharge port 117. The heat dissipation unit 120 is a filler mixed type in which the counterflow filler 121 and the crossflow filler 122 are mixed and arranged to improve the heat exchange area by about 20 to 30%, and include a third suction hole introduced from the bottom ( 113) is formed to achieve a uniform air flow can improve the heat dissipation performance of about 20% or more as a whole. In addition, the cooling tower can reduce the installation area by about 10 to 20% compared to the cooling tower having the same power and capacity, it is possible to use energy efficiently.

Cooling water sprayed from the watering unit 130 and absorbing heat from the heat dissipation unit 120 passes through the counterflow filler 121 and the crossflow filler 122 and is collected and discharged into the discharge unit 140. . At this time, the coolant falling from the counterflow filler 121 is reflected or guided by the coolant guide plate 118 and is transferred to the discharge unit 140. This partially shields the upper side of the third suction port 113 to prevent leakage of the cooling water. In addition, as the air flowing from the third suction port 113 proceeds in the direction of the counterflow filler 121, the coolant falling from the counterflow filler 121 is introduced into the third suction port 113. prevent.

The wind baffle 116 formed on the upper side of the third suction port 113 prevents the air flowing from the first and second suction ports 111 and 112 from being mixed with each other or discharged into another suction port. The air flowing from the suction port 113 is prevented from mixing with the air flowing from the first and second suction ports 111 and 112, so that the air flowing smoothly in the direction of the counterflow filler 121 may be smoothly transferred. In addition, the air passing through the wind baffle 116 and sucked from the third suction port 113 has a directionality, and is uniformly and stably supplied in a traveling direction such as laminar flow.

In addition, the fall sound of the coolant falling to the coolant guide plate 118 or the discharge unit 140 by the fall sound prevention unit 119 provided above the wind baffle 116 can be reduced.

The air introduced into the first to third suction holes 111, 112, and 113 passes through the heat dissipation unit 120 and the watering unit 130 and is discharged by the suction force of the discharge unit 150. Is discharged. At this time, the moisture is agglomerated in the scattering prevention plate 160 to remove predetermined moisture before the air escapes through the discharge port 117. Water droplets agglomerated on the scattering prevention plate 160 may be guided to the discharge unit 140 and reused as cooling water.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

1 is a perspective view of a three-sided suction cooling tower according to an embodiment of the present invention.

2 is a cross-sectional view of the cooling tower shown in FIG.

3 is a cross-sectional view of adding a fall sound prevention unit to the cooling tower shown in FIG.

<Brief description of the main parts of the drawing>

100: cooling tower 110: housing

119: fall sound prevention unit 120: heat dissipation unit

130: watering unit 140: discharge part

150: discharge unit 160: shatterproof plate

Claims (5)

Cooling tower housing to form an appearance; A cross-flow heat dissipation unit disposed at a side of the cooling tower housing and having a heat exchange function; A counterflow heat dissipation unit disposed on the counterflow heat dissipation unit and having a heat exchange function; A sprinkling unit for supplying cooling water from an upper portion of the counterflow type heat dissipation unit; A discharge part formed at a bottom of the cooling tower housing and discharging the sprinkled water from the sprinkling unit; First and second suction holes disposed in contact with the cross-flow filler in the left and right directions of the cooling tower housing and supplying air into the cooling tower housing, respectively; A third suction port for supplying air toward the counterflow filler in the lower direction of the cooling tower housing; A discharge unit discharging air supplied from the first to third suction ports to the outside through an upper side of the cooling tower housing; And a scattering prevention plate disposed under the discharge unit to remove moisture contained in air discharged to the outside of the cooling tower housing. The method according to claim 1, The first and second suction openings, And a louver coupled to an outside of the cooling tower housing to provide directionality to air introduced into the cooling tower housing. The method according to claim 1, The third suction opening, A wind baffle extending upwardly of the third intake port to prevent interference of a traveling direction of air flowing from the third intake port according to a traveling direction of air flowing from the first and second intake ports; 3-sided suction cooling tower. The method according to claim 1, The cooling tower housing, The three-side suction cooling tower is disposed below the counterflow type heat dissipation unit, the fall down sound prevention unit for reducing the noise caused by the cooling water supplied from the sprinkling unit. The method according to any one of claims 1 to 4, The cooling tower housing, The upper part of the third suction port is partially shielded and the lower side of the cooling air supplied from the water spraying part is prevented from flowing out to the third suction port, and the suction air supplied from the third suction port flows toward the discharge unit. Three-stage suction type cooling tower comprising a cooling water guide plate is arranged a plurality of plates inclined in the direction spaced below a predetermined interval.

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