CN111964477B - Cross-flow type water-saving fog-dispersing cooling tower - Google Patents
Cross-flow type water-saving fog-dispersing cooling tower Download PDFInfo
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- CN111964477B CN111964477B CN202010817762.6A CN202010817762A CN111964477B CN 111964477 B CN111964477 B CN 111964477B CN 202010817762 A CN202010817762 A CN 202010817762A CN 111964477 B CN111964477 B CN 111964477B
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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
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/04—Distributing or accumulator troughs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
- F28F25/087—Vertical or inclined sheets; Supports or spacers
Abstract
The invention discloses a cross-flow type water-saving fog-eliminating cooling tower, which belongs to the technical field of cooling tower equipment, and is characterized in that through the improved design of a water-spreading system of the traditional cross-flow type cooling tower, water distribution is carried out in a subarea manner under different working conditions, so that the change of the water distribution condition among different fillers and among different diameters and depths of the same filler is achieved, the water-saving fog-eliminating functional area of the cooling tower is increased, the cooling tower has the effects of water saving and fog elimination, and the adopted measures relate to low cost and are easy to realize.
Description
Technical Field
The invention relates to the technical field of cooling towers, in particular to a cross-flow type water-saving fog-dissipation cooling tower.
Background
When the cooling tower operates, the air entering the cooling tower and cooling water carry out heat and moisture exchange in the tower, the temperature of the cooling water is reduced, and partial moisture is lost due to evaporation; the air temperature rises and absorbs the evaporated water vapor to reach or approach a saturated state, and the evaporated water vapor is discharged into the air, which is most obvious in winter, and the cooling tower generates a plume phenomenon. On the one hand, a large amount of water resources are discharged into the air, and on the other hand, the fog phenomenon interferes with human life, for example, the nearby environment is covered by smoke, the surrounding ground is frozen, and the humidity of the surrounding air. The cross-flow cooling tower is generally applied to residential communities, hospitals, hotels, shopping malls and the like as a common civil cooling tower, is a cooling tower closer to the life of people relatively, and is important for the life of people by any point of progress in aspects of water resource saving and environmental improvement.
In recent years, a plurality of companies or scientific research units are vigorously invested in the research on water saving and fog dispersal of the cooling tower, and in the existing products, the cost is high and is often more than 3 times compared with the cost of the common cooling tower, so that the development of the industry is seriously hindered.
Disclosure of Invention
The invention aims to provide a cross-flow type water-saving and fog-dispersing cooling tower which can eliminate the fog phenomenon generated when the cooling tower operates in a low-temperature environment and reduce water consumption.
In order to realize the purpose, the invention adopts the technical scheme that:
a cross-flow type water-saving fog-dispersing cooling tower comprises a water-spreading basin and a filler below the water-spreading basin; a water diversion part is arranged above the water sowing basin, and a water leakage hole is formed in the bottom surface of the water diversion part; the on-off of the water leakage holes can be adjusted; the bottom surface of the water sowing basin is provided with water sowing holes corresponding to a channel of the filler below and a water leakage hole above; the water sowing basin is partitioned into at least two areas, namely a cooling area and a condensation area, by a partition plate according to the air inlet and outlet directions of the cooling tower; in the cooling area, two adjacent water spreading holes are separated by a partition plate; one side of the water diversion part is positioned in a cooling area of the water sowing basin, and the other side of the water diversion part is positioned in a condensation area of the water sowing basin; the water leakage holes are positioned in the area above the cooling area.
As a further improvement of the technical scheme, a water diversion bottom plate is arranged in the water diversion piece; and the water diversion bottom plate is provided with water diversion holes for adjusting the on-off state of the water leakage holes.
As a further improvement of the technical scheme, the water distribution holes in the same row on the water distribution bottom plate are formed by a first water distribution hole and a second water distribution hole which are distributed at intervals; the first water dividing hole and the second water dividing hole are different in size.
As a further improvement of the technical scheme, the width of the first water dividing hole is larger than that of the water leakage hole; the second water dividing holes are the same in size as the water leakage holes.
As a further improvement of the technical scheme, the water leakage holes in the same row on the water diversion piece are formed by a first water leakage hole and a second water leakage hole which are distributed at intervals; the first water leakage hole and the second water leakage hole are different in size.
As a further improvement of the technical scheme, the width of the first water leakage hole is larger than that of the second water leakage hole; and the size of the second water leakage hole is the same as that of the water distribution hole.
As a further improvement of the technical scheme, a channel between the fillers is divided into a first channel area and a second channel area; the first channel area and the second channel area are distributed at intervals; the filler channel area corresponding to the upper water spreading hole is a first channel area; the first channel region and the second channel region are each formed by at least one layer of packing channels.
As a further improvement of the technical scheme, the filler is provided with a positioning card for keeping the fixed distance between the fillers.
As a further improvement of the technical scheme, the water leakage hole and the water distribution hole are both in a strip shape.
As a further improvement of the technical scheme, the water diversion bottom plate and the water diversion piece can enable the water leakage hole to be in three on-off states through the adjustment of the relative position, and the on-off states are respectively as follows:
the first method comprises the following steps: all the water leakage holes are communicated with the water distribution holes;
and the second method comprises the following steps: the first water dividing holes are communicated with the corresponding water leakage holes, and the second water dividing holes are partitioned by the bottom surface of the water dividing piece; or the first water leakage hole is communicated with the corresponding water distribution hole, and the second water leakage hole is isolated by the bottom surface of the water distribution bottom plate;
and the third is that: all the water leakage holes are completely isolated.
As a further improvement of the technical scheme, the filler is provided with a positioning card for keeping the fixed distance between the fillers.
The positioning clamp is comb-shaped, the clamping grooves are formed in the positioning clamp, and the distance between the clamping grooves is consistent with the distance between the filler pieces in the filler. The clamping groove is clamped on each filling piece, so that each filling piece is accurately kept, and the gap between each two filling pieces corresponds to the sowing hole formed in the sowing basin.
As a further improvement of the technical scheme, the width of the filler is not less than that of the water sowing basin. The region that all is the filler to arrange in broadcast basin cooling space, broadcast basin condensation zone below promptly, and the region that the filler is in broadcast basin cooling space below is the filler cooling space, and the region that the filler is in broadcast basin condensation zone below is the filler condensation zone.
As a further improvement of the technical scheme, at least one row of water leakage holes are formed in the bottom surface of the water diversion piece, and at least one water leakage hole is distributed in each row.
The invention has the beneficial effects that:
When the small water quantity non-fog-dissipation working condition is operated in winter, circulating water is shunted through the change of the relative positions of the water diversion bottom plate and the water diversion piece, the position of the water diversion bottom plate is adjusted, all water leakage holes at the bottom of the water diversion piece are communicated, all the water leakage holes uniformly flow to the cooling area of the water sowing basin, each water sowing hole of the cooling area of the water sowing basin is filled with water, and each filler below the water sowing hole is filled with water, so that the spraying density of the tower in the water sowing area is increased, and the risk of freezing the bottom cooling tower is reduced.
Normal operating mode in cooling tower summer through the position of adjustment bottom plate that divides, makes the hole that leaks of dividing water bottom blocked entirely, and the cooling tower circulating water can only pour into the basin cooling zone of broadcasting respectively from dividing the hydration both sides with the mode that overflows, and the basin condensation zone of broadcasting, all packs in the basin below are all by the trickle, and this operating mode is the operating mode of ordinary cooling tower promptly.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a structural relationship diagram between the water diversion member and the filler of the water distribution bottom plate water planting basin in the invention;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is an enlarged structural view of a portion A in FIG. 3;
FIG. 5 is a schematic structural view of a water diversion member;
FIG. 6 is an enlarged view of a part B of the water diversion member;
FIG. 7 is a schematic structural view of a water diversion bottom plate;
FIG. 8 is an enlarged view of a portion C of the water diversion bottom plate;
FIG. 9 is a schematic diagram showing the blocking of the water leakage holes on the water diversion member at intervals;
FIG. 10 is a schematic view of the water-leaking hole on the water-dividing member without being blocked;
FIG. 11 is a schematic view showing the water leakage holes on the water diversion member being completely blocked;
FIG. 12 is a schematic view of a structure of a watering pot;
FIG. 13 is a schematic view of a positioning card;
figure 14 is a psychrometric chart of humidity versus temperature in a cooling tower of the present invention.
In the figure: 3. a water collecting basin; 4. a fan; 5. a water inlet flange; 7. a filler; 8. a water sowing basin; 21. a water diversion member; 22. a water diversion bottom plate; 23. a partition panel; 211. a water leakage hole; 212. a first water leakage hole; 213. a second water leakage hole; 221. water distribution holes; 222. a first water dividing hole; 223. a second water dividing hole; 45. a water sowing hole; 46. dividing the plate; 51. a cooling zone; 52. a condensation zone.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
Referring to fig. 1 to 14, in one embodiment, a cross-flow water-saving fog-dispersal cooling tower includes a water-spreading basin and a filler below the water-spreading basin; a water diversion part 21 is arranged above the water sowing basin 8, and a water leakage hole 211 is formed in the bottom surface of the water diversion part 21; the on-off of the water leakage holes 211 can be adjusted; the bottom surface of the water sowing basin 8 is provided with water sowing holes 45 corresponding to the channel of the filler 7 at the lower part and the water leakage hole 211 at the upper part; the water sowing basin 8 is divided into at least two areas, namely a cooling area 51 and a condensation area 52, by a partition plate 23 according to the air inlet and outlet directions of the cooling tower; in the cooling area 51, two adjacent water spreading holes 45 are separated by a partition plate 46; one side of the water diversion member 21 is positioned in a cooling area 51 of the water sowing basin 8, and the other side is positioned in a condensation area 52 of the water sowing basin 8; the water leakage holes 211 are located in the area above the cooling zone 51.
As shown in fig. 2 and 4, as a preferred embodiment of the present invention, a water diversion bottom plate 22 is arranged in the water diversion member 21; the water diversion bottom plate 22 is provided with water diversion holes 221 for adjusting the on-off state of the water leakage holes 211. The on-off regulation of the water leakage holes 211 can be realized by regulating the moving position of the water diversion bottom plate 22 on the water diversion member 21, wherein the on-off states are three, and are respectively a full-through state of the water leakage holes 211, an interval opening state of the water leakage holes 211 and a full-closed state of the water leakage holes 211.
As shown in fig. 5-6, as a preferred embodiment of the present invention, when the size of the water leakage holes 211 on the water diversion member is all the same, the water diversion holes 221 on the same row on the water diversion bottom plate 22 are formed by a first water diversion hole 222 and a second water diversion hole 223 in a spaced distribution; the first and second water dividing holes 222 and 223 are different in size.
As a further improvement of the present technical solution, the width of the first water dividing hole 222 is larger than that of the water leaking hole 211; the second water shut-off hole 223 has the same size as the water leakage hole 211.
In the above embodiment, by moving the position of the water diversion bottom plate 22 in the water diversion member, three on-off states of the water leakage hole can be generated: the first and second water dividing holes 222 and 223 are all communicated with the water leakage hole 211; the first water dividing holes 222 are communicated with every other water leakage hole 211; the water leakage holes 211 are completely blocked.
As shown in fig. 7-8, as a preferred embodiment of the present invention, when the water distribution holes on the water distribution bottom plate are all the same or equal in size, the water leakage holes 211 on the same row on the water distribution member 21 are formed by a first water leakage hole 212 and a second water leakage hole 213 which are distributed at intervals; the first and second water leakage holes 212 and 213 have different sizes.
As a preferred embodiment of the present invention, the first water leakage hole 212 has a width larger than that of the second water leakage hole 213; the second water leakage hole 213 has the same size as the water distribution hole 221.
As shown in fig. 9 to 11, as a preferred embodiment of the present invention, the passage between the packings 7 is divided into a first passage area and a second passage area; the first channel area and the second channel area are distributed at intervals; the packing passage area corresponding to the upper water-spreading holes 45 is a first passage area; the first channel region and the second channel region are each formed by at least one layer of packing channels.
The first channel area can also be called a spray water channel area, and the second channel area can also be called a non-spray water channel area; through the structural design of the water distribution piece, the water distribution bottom plate and the water sowing basin, the spraying water forms partitioned flow at intervals in the filler.
As shown in fig. 13, as a preferred embodiment of the present invention, the packing 7 is provided with a positioning clip 24 for keeping the distance between the packings 7 fixed.
The positioning clamp 24 is in a shape of a long strip plate, clamping grooves are uniformly formed in the plate to form a comb shape, and the distance between the clamping grooves is consistent with the distance between the filler pieces in the filler 7. The clamping groove is used for clamping each filler piece, so that each filler piece is accurately kept, and the gap between every two filler pieces corresponds to the sowing hole 45 formed in the sowing basin 8.
As a preferred embodiment of the present invention, the water leakage holes 211 and the water diversion holes 221 are both strip-shaped. The elongated holes are beneficial to the dispersion of water into a water film form to be discharged, and the heat exchange effect is improved. The strip shape can be a rectangular hole or a waist-shaped hole.
As shown in fig. 9 to 11, as a preferred embodiment of the present invention, the water diversion bottom plate 22 and the water diversion member 21 can make the water leakage hole 211 in three on-off states by adjusting the relative positions, which are respectively:
as shown in fig. 10, the first: all the water leakage holes 211 are communicated with the water distribution holes 221;
as shown in fig. 9, the second: the first water dividing hole 222 is communicated with the corresponding water leakage hole 211, and the second water dividing hole 223 is separated by the bottom surface of the water dividing piece 21; or the first water leakage hole 212 is communicated with the corresponding water distribution hole 221, and the second water leakage hole 213 is isolated by the bottom surface of the water distribution bottom plate 22;
as shown in fig. 11, the third: all the water leakage holes 211 are completely blocked.
As a preferred embodiment of the invention, the width of the filling 7 is not less than the width of the watering basin 8. Namely, the areas of the filler arrangement are respectively arranged below the water sowing basin cooling area 51 and the water sowing basin condensation area 52, the area of the filler 7 below the water sowing basin cooling area 51 is the filler cooling area, and the area of the filler 7 below the water sowing basin condensation area 52 is the filler condensation area.
As a preferred embodiment of the present invention, at least one row of water leakage holes 211 is formed on the bottom surface of the water diversion member 21, and at least one water leakage hole 211 is distributed in each row.
The utility model provides a cross-flow type water conservation fog dispersal cooling tower, it includes the dryer of cooling tower top, the basin that catchments of bottom, the tower body both sides are provided with the filler, be provided with the basin of broadcasting above the filler, it has the part of intaking to design above the basin of broadcasting, be equipped with the part of dividing in the basin of broadcasting of the part below of intaking, the part of dividing is the U type absolutely, the hole that leaks has been seted up to the bottom, be equipped with the bottom plate that divides in the part of dividing, divide and seted up the water diversion hole on the bottom plate, the board circulating water is after the part of dividing inflow of intaking, divide the circulating water through the bottom plate that divides and the change of the part of dividing relative position.
The water sowing basin is divided into 2 areas by partition boards according to the air inlet and outlet directions of the cooling tower, namely a water sowing basin cooling area and a water sowing basin condensation area, and the partition boards are arranged on two sides of each row of water sowing holes in the water sowing basin cooling area, so that each row of water sowing holes in the water sowing basin cooling area are separated. The two sides of the water sowing holes in the cooling area of the water sowing basin are provided with the partition plates, so that each row of the water sowing holes in the area is isolated.
The top of the filler below the water sowing basin is provided with a filler positioning clamp, and a clamping groove on the filler positioning clamp accurately positions each piece of filler, so that the space between every two pieces of filler corresponds to the water sowing hole above the filler.
As shown in fig. 14, 83 is the state of the dry and cool outside air, 84 is the state of the dry and cool outside air after passing through the filler, 93 is the state of the dry and cool outside air after passing through the filler with water circulation, which can be seen in the figure as 100% saturation state, 94 is the state of 93 after passing through the filler condensation area, because the saturated air flow is cooled, the moisture content is reduced, part of the water vapor is condensed, and in the process of passing between the filler sheets without water circulation, the dry and cool outside air is not directly contacted with water or other air flows, but is heated by the circulating water and the wet and hot air at the other side by taking the filler as a medium, and the humidity is kept unchanged.
The 94 state air flow and the 84 state air flow are mixed into an integrated air flow 101 in the cooling tower after passing through the packing, the air flow 83 is connected with the air flow 101 by a straight line 111 on the psychrometric chart, if the connecting straight line 111 intersects with a 100% saturation curve, then the air flow 101 is mixed with the outside dry and cold air after leaving the cooling tower, and condensation phenomenon occurs, namely, plume is generated. Therefore, the invention is implemented with the aim that the air flow 101 is mixed with the outside dry and cold air after leaving the cooling tower under the action of the fan of the cooling tower, so that the condensation phenomenon does not occur.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (4)
1. A cross-flow type water-saving fog-dispersing cooling tower comprises a water sowing basin (8) and a filler (7) below the water sowing basin; it is characterized in that the preparation method is characterized in that,
a water diversion piece (21) is arranged above the water sowing basin (8), and a water leakage hole (211) is formed in the bottom surface of the water diversion piece (21); the on-off of the water leakage holes (211) can be adjusted; the bottom surface of the water sowing basin (8) is provided with water sowing holes (45) corresponding to the channel of the filler (7) at the lower part and the water leakage hole (211) at the upper part; the water sowing basin (8) is partitioned into at least two areas, namely a cooling area (51) and a condensation area (52), by a partition plate (23) according to the air inlet and outlet directions of the cooling tower; in the cooling area (51), two adjacent water spreading holes (45) are separated by a partition plate (46); one side of the water diversion piece (21) is positioned in a cooling area (51) of the water spreading basin (8), and the other side of the water diversion piece is positioned in a condensation area (52) of the water spreading basin (8); the water leakage holes (211) are positioned in the area above the cooling area (51);
a water distribution bottom plate (22) is arranged in the water distribution piece (21); a water distribution hole (221) for adjusting the on-off state of the water leakage hole (211) is formed in the water distribution bottom plate (22);
the channel between the fillers (7) is divided into a first channel area and a second channel area; the first channel area and the second channel area are distributed at intervals; the filling channel area corresponding to the upper water-spreading holes (45) is a first channel area; the first channel region and the second channel region are each formed by at least one layer of packing channels.
2. The cross-flow type water-saving fog-dispersal cooling tower as claimed in claim 1, wherein the water leakage hole (211) and the water diversion hole (221) are both long-strip-shaped.
3. The cross-flow water-saving fog-dispersal cooling tower as claimed in claim 1 or 2, wherein the water-diversion bottom plate (22) and the water-diversion member (21) can make the water leakage hole (211) present three on-off states by adjusting the relative positions, respectively:
the first method comprises the following steps: all the water leakage holes (211) are communicated with the water distribution holes (221);
and the second method comprises the following steps: the water distribution holes (221) in the same row on the water distribution bottom plate (22) are formed by a first water distribution hole (222) and a second water distribution hole (223) which are distributed at intervals; the first water dividing hole (222) and the second water dividing hole (223) are different in size; the width of the first water dividing hole (222) is larger than that of the water leakage hole (211); the size of the second water dividing hole (223) is the same as that of the water leakage hole (211); the first water dividing holes (222) are communicated with the corresponding water leakage holes (211), and the second water dividing holes (223) are isolated by the bottom surface of the water dividing piece (21);
or the water leakage holes (211) in the same row on the water diversion piece (21) are formed by a first water leakage hole (212) and a second water leakage hole (213) which are distributed at intervals; the first water leakage hole (212) and the second water leakage hole (213) are different in size; the width of the first water leakage hole (212) is larger than that of the second water leakage hole (213); the size of the second water leakage hole (213) is the same as that of the water distribution hole (221); the first water leakage holes (212) are communicated with the corresponding water distribution holes (221), and the second water leakage holes (213) are isolated by the bottom surface of the water distribution bottom plate (22);
and the third is that: all the water leakage holes (211) are completely blocked.
4. The cross-flow type water-saving fog-dispersal cooling tower as claimed in claim 1, wherein the fillers (7) are provided with positioning clips (24) for keeping the distance between the fillers (7) fixed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010817762.6A CN111964477B (en) | 2020-08-14 | 2020-08-14 | Cross-flow type water-saving fog-dispersing cooling tower |
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| CN202010817762.6A CN111964477B (en) | 2020-08-14 | 2020-08-14 | Cross-flow type water-saving fog-dispersing cooling tower |
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| CN111964477B true CN111964477B (en) | 2021-10-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111964476B (en) * | 2020-08-14 | 2021-10-26 | 湖南元亨科技股份有限公司 | Air-intake-adjustable cross-flow type fog-dissipation water-saving cooling tower |
| CN111964478B (en) * | 2020-08-14 | 2021-12-07 | 湖南元亨科技股份有限公司 | Cross-flow type fog dissipation cooling tower |
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