KR101763629B1 - A air mixer for vapor reduction - Google Patents
A air mixer for vapor reduction Download PDFInfo
- Publication number
- KR101763629B1 KR101763629B1 KR1020160016032A KR20160016032A KR101763629B1 KR 101763629 B1 KR101763629 B1 KR 101763629B1 KR 1020160016032 A KR1020160016032 A KR 1020160016032A KR 20160016032 A KR20160016032 A KR 20160016032A KR 101763629 B1 KR101763629 B1 KR 101763629B1
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- KR
- South Korea
- Prior art keywords
- air
- horizontal
- air inflow
- horizontal transfer
- passages
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/16—Arrangements for preventing condensation, precipitation or mist formation, outside the cooler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/02—Other direct-contact heat-exchange apparatus the heat-exchange media both being gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C2001/006—Systems comprising cooling towers, e.g. for recooling a cooling medium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The air mixer for reducing steam according to the present invention includes: an external air inflow part formed by extending a plurality of horizontal conveyance passages horizontally conveyed; a plurality of vertical conveyance passages crossing each other so that two or more vertical conveyance passages are extended in a vertical direction; A plurality of horizontally extending independent horizontal conveyance passages are formed and the height of the horizontal conveyance passage 71 becomes smaller as the height of the horizontal conveyance passage 71 increases from the lower portion to the upper portion, Temperature air which is uniformly transferred to the inside of the mixing space in the cooling tower is uniformly mixed with the high temperature and high humidity air which is conveyed in the perpendicular direction through the horizontal conveyance passage so that the absolute humidity is remarkably lowered, The steam generation phenomenon is greatly reduced.
Description
The present invention relates to an air mixer for reducing steam, and more specifically, a separate heat exchanger using cooling water as a heat source is provided at the front end of a cooling tower exhaust part to allow passage of cold outside air to reduce sensible heat of cooling water, And it is possible to effectively reduce the water vapor in the cooling tower by transferring the mesophilic dry air to the intended distance with various distances and mixing it with the high temperature and high humidity air through the wet heat exchanger through the packing in the existing cooling tower To an air mixer for reducing steam
In recent years, due to changes in society 's perception of environmental pollution and strengthening of related laws, environmental pollution problems are considered in design in most industrial fields. In cooling towers, most attention is focused on prevention of water vapor.
In the case of cooling towers installed in airports, near roads or in densely populated areas, consideration of water vapor as a visual pollution must be reflected in the design and various methods have been suggested until recently to prevent the reduction of water vapor.
The water vapor in the cooling tower is generated when the saturated water vapor released from the cooling tower is mixed with the cool outside air and exceeds the saturation curve. It can not be removed naturally. To suppress the generation of water vapor, .
In other words, a mechanical air conditioner that lowers the relative humidity in a saturated moisture ventilator must be accompanied, and these mechanical devices have been developed and reflected in many types of changes and technologies. Among them, a wet / dry cooling tower is actually used in practice.
A steam reduction cooling tower (called Wet / Dry or Mixed Cooling Tower) is a form developed as an important solution to the water vapor problem in a wet (evaporative) cooling tower, which is in the form of a combination of wet and dry cooling towers. The combination of wet and dry results in lowering the relative humidity of the air leaving the cooling tower, and the cogeneration, heat recovery, and independent power plant construction around residential areas, airports and highways have shown a high interest in reducing water vapor .
The conventional cooling tower A for reducing steam is provided with a
However, in the conventional cooling tower A as shown in FIG. 1, the high temperature and high humidity air a1 passing through the
2, the structure of the conventional wet cooling tower A is such that the cooling water of the middle temperature is supplied to the inside of the cooling tower A through the cooling
In order to solve this problem, in the invention entitled " cooling tower equipped with an air distributor for reducing white smoke, " in Korean Patent No. 10-0881163, as shown in FIG. 3, a
SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide an air- Since the dry air which is evenly transferred to the inside of the space is mixed evenly with the high temperature and high humidity air which is conveyed in the right angle direction and the vortex is formed, the absolute humidity is remarkably lowered, and even if the mixed air is discharged to the outside, Which is capable of reducing water vapor.
This object of the present invention can be achieved by an air conditioning system comprising an external air inflow portion into which external cold air is introduced and cold air is heat-exchanged with heated cooling water to be discharged in a state of being heated by mid-temperature dry air, And a ventilation space portion provided between the external air inflow portions so that hot and humid air in the space is heated and discharged to the outside, wherein the steam reducing air mixer includes a plurality of The present invention is achieved by an air mixer for reducing steam according to the present invention in which an outer air inflow portion formed to extend a horizontal conveyance passage and a ventilation space portion intersect so that two or more vertical conveyance passages are extended to be conveyed in a vertical direction.
The air mixer for reducing steam according to the present invention includes: an external air inflow part formed by extending a plurality of horizontal conveyance passages horizontally conveyed; a plurality of vertical conveyance passages crossing each other so that two or more vertical conveyance passages are extended in a vertical direction; A plurality of horizontally extending independent horizontal conveyance passages are formed and the height of the
1 is a cross-sectional view schematically showing the construction of a steam reduction cooling tower according to a conventional technique
Figure 2 is a cross-sectional view schematically illustrating the general construction of a conventional wet counterflow tower;
3 is a cross-sectional view schematically showing the structure of an improved conventional water vapor reduction cooling tower
4 is a schematic cross-sectional view of a conventional water vapor reducing air distributor
FIG. 5 is a schematic longitudinal sectional view showing the mixing state of the outside air and the high-temperature and high-humidity air of the conventional air mixer for reducing steam,
6 is a schematic longitudinal sectional view of a cooling tower provided with an air mixer for reducing steam according to the first embodiment of the present invention
7 is an exploded perspective view of the air mixer for reducing steam according to the first embodiment of the present invention.
FIG. 8 is a schematic longitudinal sectional view showing the mixing state of the outside air and the high-temperature and high-humidity air of the air mixer for reducing steam according to the first embodiment of the present invention,
FIG. 9 is a graph showing the relationship between the humidity chart
FIG. 10 is a perspective view of a water vapor reducing air mixer according to a second embodiment of the present invention,
6, the wet
As shown in FIG. 7, the air mixer for reducing steam A according to the first embodiment of the present invention includes: (7) and a ventilation space part (8) provided between the external air inflow part (7) so that the hot and humid air in the wet heat exchange part is heated and discharged to the outside while the heat exchanged cooling water is dropped into the wet heat exchange part ).
As shown in FIG. 7, the air mixer A for reducing steam according to the first embodiment of the present invention includes six outer
The outer
In the present embodiment, five
The air mixer A for reducing the steam according to the first embodiment of the present invention is constructed in such a manner that the air a5 and the
A conveying
The
The height of each of the
Therefore, the upper surface (a ') of the air-reducing air mixer (A) including the external air inflow part (7) and the air space part (8) provided between the external air inflow part (7) Since the inclined angle? 1 of the upper surface of the first stage is gradually increased toward the
Hereinafter, the operation of the air mixer (A) for reducing steam according to the present invention having such a configuration will be described in detail.
First, the air mixer A for reducing the steam used in this embodiment is formed into a size of 7 m width, 2 m width and 5 m width, and the conditions of use are an atmospheric temperature of 0 ° C, a relative humidity of 70% and an absolute humidity of 0.003 kg / kg The temperature of the mesophilic dry air is 20 ° C., the relative humidity is 19%, the absolute humidity is 0.003 kg / kg. The temperature of the high temperature and high humidity air passing through the wet heat exchanger is 32 ° C., the relative humidity is 100%, the absolute humidity is 0.029 kg / kg .
In this state, air (a5) is formed by the outside air passing through the
The high temperature and high humidity air a7 flows out to the vertical upper portion through the vertically divided
8A and 8B, the hot air a5 and the hot and humid air a7, which have been introduced through the external
9 is a graph of a humidity chart. The X-axis shows the air temperature (° C), the Y-axis shows the absolute humidity (Kg / Kg), and the parabola shows the relative humidity (5).
9, the outside air having a temperature of 0 ° C, a relative humidity of 70% and an absolute humidity of 0.003 kg / kg flows through a heating coil on the upper part of the cooling tower through a part of the heating coil, The air having passed through the heating coil is subjected to heat exchange so that air having a relative humidity of 19% and an absolute humidity of 0.003 kg / kg at a temperature of 20 ° C, which has been dried at a middle temperature, is introduced through the
10, the horizontal
The air mixer for reducing steam according to the present invention can be said to be industrially applicable because it can be repeatedly manufactured in the manufacturing industry of a general air mixer.
7. External
Claims (5)
The steam reducing air mixer A includes an external air inflow part 7 formed to extend a plurality of horizontal conveying passages 71 to be horizontally conveyed and a plurality of horizontal air conveying passages 71 provided so as to cross each other between the horizontal conveying passages 71 There is provided a ventilation space portion 8 in which a plurality of vertical conveyance passages 81 are formed so as to extend in the vertical direction,
A plurality of horizontal transfer paths (71) of the outer air inflow parts (7) are vertically formed in the outer air inflow part (7), and the plurality of horizontal transfer paths (71) The cross sectional area is made small so that the length of the upper horizontal conveyance passage 71 is short so that the pressure loss is large and the cross sectional area of the horizontal conveyance passage 71 of the bottom is made long so that the pressure loss is small. A plurality of horizontal transfer paths 71 formed to extend to a length of the horizontal transfer path 71 located at an upper portion of the plurality of horizontal transfer paths 71 are formed to have different sizes in the longitudinal direction The horizontal transfer path 71 positioned at the lowermost portion is formed to extend to the entire length of the wet heat exchanger 61 formed long and horizontal,
The height of the horizontal transfer path 71 becomes smaller as it goes from the lower part to the upper part, so that the horizontal transfer path 71 positioned at the lower part is formed to have a larger height,
The upper surface of the steam mixture reducing air mixer A including the external air inflow portion 7 and the ventilation space portion 8 provided between the external air inflow portion 7 is connected to the external air inflow portion 7 is formed to have a gradually increasing inclination angle in the direction of the horizontal conveyance passage 71 at the lower portion of the horizontal conveyance passage 71 so that the same amount of air is uniformly supplied to the respective horizontal conveyance passages 71. [ Mixer.
Wherein a feed fan (72) is installed on the horizontal feed path (71) of the external air inflow part (7) so as to increase the feed amount of the heated hot and dry air.
The outside air inflow part 7 and the ventilation space part 8 are arranged such that the outside air inflow part 7 in which the plural horizontal transportation paths 71 are formed to extend in the summer, The outer air inflow portion 7 having the horizontal transfer path 71 disappears and only the ventilation space portion 8 is opened so as to prevent the air flow resistance from being received, Of the air mixer (1).
Priority Applications (1)
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KR1020160016032A KR101763629B1 (en) | 2016-02-12 | 2016-02-12 | A air mixer for vapor reduction |
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KR1020160016032A KR101763629B1 (en) | 2016-02-12 | 2016-02-12 | A air mixer for vapor reduction |
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KR101763629B1 true KR101763629B1 (en) | 2017-08-09 |
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KR1020160016032A KR101763629B1 (en) | 2016-02-12 | 2016-02-12 | A air mixer for vapor reduction |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200080975A (en) * | 2018-12-27 | 2020-07-07 | (주)휴텍 | Air mixer for reducing white plume and the cooling tower having the same |
KR102239693B1 (en) * | 2020-11-06 | 2021-04-13 | 주식회사 삼정씨앤드씨 | Plume reduction device for cooling tower |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100881163B1 (en) * | 2007-10-05 | 2009-02-03 | 주식회사 원방테크 | A cooling tower |
KR101483200B1 (en) * | 2013-08-05 | 2015-01-15 | 주식회사 경인기계 | Cooling tower |
-
2016
- 2016-02-12 KR KR1020160016032A patent/KR101763629B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100881163B1 (en) * | 2007-10-05 | 2009-02-03 | 주식회사 원방테크 | A cooling tower |
KR101483200B1 (en) * | 2013-08-05 | 2015-01-15 | 주식회사 경인기계 | Cooling tower |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200080975A (en) * | 2018-12-27 | 2020-07-07 | (주)휴텍 | Air mixer for reducing white plume and the cooling tower having the same |
KR102162563B1 (en) * | 2018-12-27 | 2020-10-07 | (주)휴텍 | Air mixer for reducing white plume and the cooling tower having the same |
KR102239693B1 (en) * | 2020-11-06 | 2021-04-13 | 주식회사 삼정씨앤드씨 | Plume reduction device for cooling tower |
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