CN212108847U - Cross-flow dew point indirect evaporative cooler with movable water distribution - Google Patents
Cross-flow dew point indirect evaporative cooler with movable water distribution Download PDFInfo
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- CN212108847U CN212108847U CN202020293376.7U CN202020293376U CN212108847U CN 212108847 U CN212108847 U CN 212108847U CN 202020293376 U CN202020293376 U CN 202020293376U CN 212108847 U CN212108847 U CN 212108847U
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- water
- heat exchange
- dew point
- cross
- indirect evaporative
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Abstract
The utility model discloses a cross-flow dew point indirect evaporative cooler for moving water distribution, which comprises a movable water distributor, a cross-flow dew point indirect evaporative cooling heat exchange core and a water collecting tank which are arranged from top to bottom in sequence, wherein the movable water distributor is connected with the water collecting tank through a circulating water hose and a circulating water pipe which are connected in sequence; the water distributor also comprises a pair of rails fixed on the unit shell, and the movable water distributor is matched with the pair of rails for use. The utility model relates to a remove indirect evaporative cooler of cross-flow dew point of water distribution can solve the problem that indirect evaporative cooler of dew point water distribution is inhomogeneous, easy scale deposit and energy consumption are high.
Description
Technical Field
The utility model belongs to the technical field of air conditioning system equipment, concretely relates to remove indirect evaporative cooler of cross-flow dew point of water distribution.
Background
The evaporative cooling air conditioning technology is an environment-friendly, efficient and economical cooling mode which obtains cold energy through heat-moisture exchange between water and air by utilizing renewable energy of dry air energy and depending on the temperature difference between dry bulb temperature and wet bulb temperature in ambient air, and has the characteristics of energy conservation, environmental protection, economy, health and the like.
The evaporative cooler mainly has two basic forms of a direct evaporative cooler and an indirect evaporative cooler. Generally, two air streams pass through an indirect evaporative cooler, are not in contact with each other and are divided into primary air and secondary air, wherein the primary air is air which is air to be cooled and mainly comes from outdoor fresh air or indoor return air; the secondary air, i.e. the working air, which is brought into contact with the water to evaporate it, thus lowering the temperature of the heat exchanger surfaces to cool the primary air, which is mainly from the outside and is discharged to the outside after use. The traditional dividing wall type indirect evaporative cooler has the limit of the air supply temperature which is the wet bulb temperature of the secondary air when being used independently, and cannot provide satisfactory air supply temperature indoors due to limited temperature drop, and the dew point indirect evaporative cooling can reduce the air supply temperature to be lower than the wet bulb temperature of the secondary air, so that the air supply temperature approaches to the dew point temperature, and the heat exchange efficiency is improved.
The dew point indirect evaporative cooler in the current market has the defects of uneven water distribution, easy formation of dry points at local parts, poor heat exchange effect and easy formation of scale at the dry points. Meanwhile, the traditional dew point indirect evaporative cooler is mostly of a counter-flow structure, so that the speed direction of dry channel primary air changes when the dry channel primary air enters a secondary air wet channel after precooling, resistance is increased, energy consumption of a fan is increased, efficiency is reduced, and the air supply effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a remove indirect evaporative cooler of cross-flow dew point of water distribution can solve the problem that indirect evaporative cooler of dew point water distribution is inhomogeneous, easy scale deposit and energy consumption are high.
The technical scheme adopted by the utility model is that the cross-flow dew point indirect evaporative cooler for moving water distribution comprises a movable water distributor, a cross-flow dew point indirect evaporative cooling heat exchange core body and a water collecting tank which are arranged from top to bottom in sequence, wherein the movable water distributor is connected with the water collecting tank through a circulating water hose and a circulating water pipe which are connected in sequence; the water distributor also comprises a pair of rails fixed on the unit shell, and the movable water distributor is matched with the pair of rails for use.
The utility model is also characterized in that,
the circulating water pipe is provided with a circulating water pump.
A water processor is arranged on the circulating water pipe.
The movable water distributor comprises a water distribution pipe and a plurality of nozzles arranged on the water distribution pipe, two rollers are arranged on the water distribution pipe, one roller is matched with one track for use, and the water distribution pipe is connected with the water collection tank through a circulating water hose and a circulating water pipe which are sequentially connected.
The cross-flow dew point indirect evaporative cooling heat exchange core comprises a plurality of dry channels and wet channels which are alternately arranged at intervals, partition plates are arranged between the dry channels and the wet channels, each dry channel is divided into a plurality of heat exchange units a with the same size, each wet channel is divided into a plurality of heat exchange units b with the same size, each heat exchange unit a and each heat exchange unit b are air channels, the heat exchange units a are parallel to the movable water distributor, and the heat exchange units b are perpendicular to the movable water distributor; and a plurality of through holes are formed in the partition plate between the part of the heat exchange unit a below the dry channel and the heat exchange unit b of the corresponding wet channel, and all the through holes are arranged in an inclined mode.
Two through holes are arranged on the partition plate of one heat exchange unit b.
The heat exchange units b of the wet channel are staggered at the through holes, and the part of each heat exchange unit b below the through hole is translated to one side for a certain distance to form an air flow channel with two 90-degree right angles.
The wet channel is made of hydrophilic materials, and a water absorbing material is arranged in the heat exchange unit b.
The water absorbing material is sponge, water absorbing resin or silica gel.
The utility model has the advantages that:
(1) the utility model relates to a remove indirect evaporative cooler of cross-flow formula dew point of water distribution adopts the mode that removes the water distribution, can improve the homogeneity of water distribution effectively, is favorable to forming even water film on the wall of wet passageway, avoids local formation "dry spot", and controls the water that reciprocates and spray, erodees the wall of wet passageway, has reduced piling up of incrustation scale, reinforcing heat exchange efficiency.
(2) The utility model relates to a remove indirect evaporative cooler of cross-flow dew point of water distribution will do the passageway and equally divide into the heat transfer unit of equidimension with wet passageway, is favorable to primary air and secondary air to distribute evenly in the flow path to increase heat transfer surface area.
(3) The utility model relates to a remove indirect evaporative cooler of cross-flow dew point of water distribution, the heat transfer unit b of wet passageway staggers around through-hole department, forms 90 right angles for the secondary air flow direction of precooling section is adjacent heat transfer unit b in front, has increased the heat transfer difference in temperature of primary air and secondary air, forms bigger temperature gradient, has improved indirect evaporative cooling efficiency.
(4) The utility model relates to a remove indirect evaporative cooler of cross-flow dew point of water distribution, wet passageway are hydrophilic material, and are equipped with the water absorption material in the heat transfer unit b, have reinforceed the heat exchange efficiency of indirect evaporative cooler of cross-flow dew point greatly.
(5) The utility model relates to a remove indirect evaporative cooler of cross-flow formula dew point of water distribution utilizes partly primary air to get into wet passageway, constantly reduces secondary air's wet bulb temperature to reduce primary air's temperature, make the cold wind of output tend to the dew point temperature of entry air, reach sub-wet bulb temperature.
Drawings
FIG. 1 is a schematic structural view of a cross-flow dew point indirect evaporative cooler with moving water distribution of the present invention;
FIG. 2 is a schematic plan view of a mobile water distribution device of a cross-flow dew point indirect evaporative cooler for mobile water distribution according to the present invention;
FIG. 3 is a schematic structural view of a mobile water distribution device of a cross-flow dew-point indirect evaporative cooler for mobile water distribution according to the present invention;
FIG. 4 is a schematic plan view of the dry and wet channels of a cross-flow dew point indirect evaporative cooler with moving water distribution of the present invention;
fig. 5 is a schematic diagram of the dry and wet channel structure of the cross-flow dew point indirect evaporative cooler with movable water distribution.
In the figure, 1 is a dry channel, 2 is a water collecting tank, 3 is a wet channel, 4 is a through hole, 5 is a circulating water pipe, 6 is a circulating water hose, 7 is a movable water distributor, 8 is a roller, 9 is a rail, 10 is a circulating water pump, 11 is a water processor, 12 is a nozzle, 13 is a water distributing pipe, 14 is a heat exchange unit b, 15 is a heat exchange unit a.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a cross-flow dew point indirect evaporative cooler for mobile water distribution, which comprises a mobile water distributor 7, a cross-flow dew point indirect evaporative cooling heat exchange core and a water collecting tank 2 which are sequentially arranged from top to bottom, wherein the mobile water distributor 7 is connected with the water collecting tank 2 through a circulating water hose 6 and a circulating water pipe 5 which are sequentially connected; the water distributor also comprises a pair of rails 9 fixed on the unit shell, and the movable water distributor 7 is matched with the pair of rails 9 for use.
In the cross-flow dew point indirect evaporative cooler, except the cross-flow dew point indirect evaporative cooling heat exchange core, other parts form a movable water distribution device of the indirect evaporative cooler, as shown in fig. 2-3.
The circulating water hose 6 can freely and flexibly reciprocate with the movable water distributor 7.
The circulating water pipe 5 is provided with a circulating water pump 10.
The circulating water pipe 5 is provided with a water treatment device 11 to prevent the nozzle 12 from being blocked.
The movable water distributor 7 comprises a water distribution pipe 13 and a plurality of nozzles 12 arranged on the water distribution pipe, two rollers 8 are arranged on the water distribution pipe 13, one roller 8 is matched with one track 9 for use, and the water distribution pipe 13 is connected with the water collection tank 2 through a circulating water hose 6 and a circulating water pipe 5 which are sequentially connected.
As shown in fig. 4-5, the cross-flow dew point indirect evaporative cooling heat exchange core comprises a plurality of dry channels 1 and wet channels 3 alternately arranged at intervals, a partition plate is arranged between the dry channels 1 and the wet channels 3,
each dry channel 1 is divided into a plurality of heat exchange units a15 with the same size, each wet channel 3 is divided into a plurality of heat exchange units b14 with the same size, each heat exchange unit a15 and each heat exchange unit b14 are air channels, the heat exchange unit a15 is parallel to the movable water distributor 7, and the heat exchange unit b14 is perpendicular to the movable water distributor 7; a plurality of through holes 4 are arranged on the partition plate between the part of the heat exchange unit a15 below the dry channel 1 and the corresponding heat exchange unit b14 of the wet channel 3, and all the through holes 4 are arranged in an inclined way.
Two rows of through holes are arranged on the partition plate in parallel from bottom to top along a diagonal in the primary air inlet direction, and two through holes 4 are also arranged on the partition plate of each corresponding heat exchange unit b14, and the two through holes 4 are arranged on one diagonal.
The heat exchange units b14 of the wet channel 3 are staggered at the through hole 4, the part of each heat exchange unit b14 below the through hole 4 translates to one side for a certain distance to form an air flow channel with two 90-degree right angles, the structure causes the turbulence of secondary air, so that better heat and moisture exchange between the secondary air and a water film occurs, and the high efficiency of the dew point indirect cooler can be obtained by combining the optimal air flow speed.
The wet channel 3 is made of hydrophilic materials, and the heat exchange unit b14 is internally provided with water absorbing materials which are sponges, water absorbing resin or silica gel.
With the traveling water distributor 7, the reciprocating motion causes each heat exchange unit b14 in the wet channel 3 to cover a uniform water film, instead of flowing water columns. On one hand, if the amount of sprayed water is too much, a large water column is formed on the wall surface of the heat exchange unit b14 of the part of the wet channel 3, and the flow of secondary air in the wet channel 3 is blocked; on the other hand, if the amount of spray water is too small, some of the walls of heat exchange unit b14 cannot be wetted to form "dry spots", and the local temperature difference will cause poor heat flow and affect the efficiency of the cooler.
The movable water distributor 7 forms a certain period through reciprocating motion, which is equivalent to intermittent water distribution, so that the water film formed on the surface of each heat exchange unit b14 in the wet channel 3 can be fully evaporated in the period of intermittent water distribution, and heat and moisture exchange between secondary air and the water film is facilitated.
The utility model relates to a remove indirect evaporative cooler of cross-flow dew point of water distribution, the working process specifically as follows:
according to the working process of the water distribution system: water in the water collecting tank 2 is filtered by a water processor 11, is conveyed to a movable water distributor 7 through a circulating water pipe 5 and a circulating water hose 6 under the action of a circulating water pump 10, the water distributor provided with rollers 8 moves on a track 9 in a reciprocating mode, so that spray water is uniformly distributed in a wet channel 3 of a cross-flow dew-point indirect evaporative cooling heat exchange core, the spray water flows downwards by means of gravity to wet the surface of the wet channel 3 to form a uniform water film, heat and moisture exchange is carried out with secondary air of the wet channel 3 to generate direct evaporative cooling, and unevaporated water drops into the water collecting tank 2 at the lower part under the action of gravity, so that the circulation process of the spray water is realized.
According to the working process of the wind system: the primary air enters a heat exchange unit a15 of a dry channel 1 of the dew point indirect evaporative cooler, firstly carries out temperature difference heat exchange with a partition plate of a wet channel 3, precools the primary air, wherein, part of the primary air enters the heat exchange unit b14 of the wet channel 3 through the through hole 4 on the partition board of the heat exchange unit a15 to become secondary air, and then carries out heat and moisture exchange with the water film formed on the surface of the heat exchange unit b14 of the wet channel 3 to reduce the temperature of the water film, and transmits cold energy to the primary air in the heat exchange unit a15 of the dry channel 1 through the wall surface of the heat exchange unit b14 of the wet channel 3 to carry out equal moisture cooling, and the circulation is carried out, so that the precooling degree of the primary air is larger, the lower the reference temperature for heat and moisture exchange with the water film when it passes through the through-hole 4 to be mixed with the secondary air as the secondary air, eventually allowing the primary air in the heat exchange unit b14 of the wet channel 3 to be cooled to near its dew point temperature.
The utility model relates to a remove indirect evaporative cooler of cross-flow type dew point of water distribution adopts the mode that removes the water distribution, has improved the homogeneity of water distribution effectively, has avoided the local "dry spot" that forms of indirect evaporative cooler of cross-flow type dew point, has reduced piling up of incrustation scale to through the dry, wet channel structure of the indirect evaporative cooler of reasonable optimization cross-flow type dew point, strengthen its heat transfer, improved heat exchange efficiency.
Claims (9)
1. A cross-flow dew point indirect evaporative cooler for mobile water distribution is characterized by comprising a mobile water distributor (7), a cross-flow dew point indirect evaporative cooling heat exchange core and a water collecting tank (2) which are sequentially arranged from top to bottom, wherein the mobile water distributor (7) is connected with the water collecting tank (2) through a circulating water hose (6) and a circulating water pipe (5) which are sequentially connected; the water distributor also comprises a pair of rails (9) fixed on the unit shell, and the movable water distributor (7) is matched with the pair of rails (9).
2. The cross-flow dew point indirect evaporative cooler with moving water distribution of claim 1, wherein the circulating water pipe (5) is provided with a circulating water pump (10).
3. The cross-flow dew point indirect evaporative cooler with moving water distribution of claim 1, wherein the circulating water pipe (5) is provided with a water treatment device (11).
4. The cross-flow dew point indirect evaporative cooler with movable water distribution according to claim 1, wherein the movable water distributor (7) comprises a water distribution pipe (13) and a plurality of nozzles (12) arranged on the water distribution pipe, two rollers (8) are arranged on the water distribution pipe (13), one roller (8) is matched with one track (9) for use, and the water distribution pipe (13) is connected with the water collection tank (2) through a circulating water hose (6) and a circulating water pipe (5) which are connected in sequence.
5. The cross-flow dew point indirect evaporative cooler with the movable water distributor as claimed in claim 1, wherein the cross-flow dew point indirect evaporative cooling heat exchange core comprises a plurality of dry channels (1) and wet channels (3) alternately arranged at intervals, a partition plate is arranged between the dry channels (1) and the wet channels (3), each dry channel (1) is divided into a plurality of heat exchange units a (15) with the same size, each wet channel (3) is divided into a plurality of heat exchange units b (14) with the same size, each heat exchange unit a (15) and each heat exchange unit b (14) are an air flow channel, the heat exchange units a (15) are parallel to the movable water distributor (7), and the heat exchange units b (14) are perpendicular to the movable water distributor (7); a plurality of through holes (4) are arranged on a partition plate between a part of heat exchange units a (15) below the dry channel (1) and the corresponding heat exchange units b (14) of the wet channel (3), and all the through holes (4) are arranged in an inclined mode.
6. The cross-flow dew point indirect evaporative cooler with moving water distribution of claim 5, wherein the partition plate of one heat exchange unit b (14) is provided with two through holes (4).
7. The cross-flow dew point indirect evaporative cooler with moving water distribution of claim 5, wherein the heat exchange units b (14) of the wet channel (3) are staggered at the through hole (4), and the part of each heat exchange unit b (14) below the through hole (4) is shifted to one side for a certain distance to form two air flow channels with 90 degrees right angles.
8. The cross-flow dew point indirect evaporative cooler with moving water distribution of claim 5, wherein the wet channel (3) is made of hydrophilic material and the heat exchange unit b (14) is provided with water absorbing material.
9. The cross-flow dew point indirect evaporative cooler with moving water distribution of claim 8, wherein the water absorbing material is sponge, water absorbing resin or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293376.7U CN212108847U (en) | 2020-03-11 | 2020-03-11 | Cross-flow dew point indirect evaporative cooler with movable water distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293376.7U CN212108847U (en) | 2020-03-11 | 2020-03-11 | Cross-flow dew point indirect evaporative cooler with movable water distribution |
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| Publication Number | Publication Date |
|---|---|
| CN212108847U true CN212108847U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020293376.7U Expired - Fee Related CN212108847U (en) | 2020-03-11 | 2020-03-11 | Cross-flow dew point indirect evaporative cooler with movable water distribution |
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| CN (1) | CN212108847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288598A (en) * | 2020-03-11 | 2020-06-16 | 西安工程大学 | Dew point indirect evaporative cooler with movable water distribution function |
| CN115095938A (en) * | 2022-07-01 | 2022-09-23 | 精效悬浮(苏州)科技有限公司 | Ventilation device for centrifugal fan production workshop |
-
2020
- 2020-03-11 CN CN202020293376.7U patent/CN212108847U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288598A (en) * | 2020-03-11 | 2020-06-16 | 西安工程大学 | Dew point indirect evaporative cooler with movable water distribution function |
| CN111288598B (en) * | 2020-03-11 | 2024-03-12 | 西安工程大学 | Dew point indirect evaporative cooler with movable water distribution function |
| CN115095938A (en) * | 2022-07-01 | 2022-09-23 | 精效悬浮(苏州)科技有限公司 | Ventilation device for centrifugal fan production workshop |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 |