CN104534603B - The board-like dew point indirect evaporative cooler of adverse current and channel partition of built-in flow dividing structure - Google Patents

The board-like dew point indirect evaporative cooler of adverse current and channel partition of built-in flow dividing structure Download PDF

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Publication number
CN104534603B
CN104534603B CN201510037203.2A CN201510037203A CN104534603B CN 104534603 B CN104534603 B CN 104534603B CN 201510037203 A CN201510037203 A CN 201510037203A CN 104534603 B CN104534603 B CN 104534603B
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China
Prior art keywords
air
channel
dry passage
wet channel
dew point
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CN201510037203.2A
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Chinese (zh)
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CN104534603A (en
Inventor
刘俊杰
曹璇
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天津大学
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Publication of CN104534603B publication Critical patent/CN104534603B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D5/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
    • F28D5/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits

Abstract

The invention discloses a kind of board-like dew point indirect evaporative cooler of adverse current of built-in flow dividing structure, including the dew point indirect evaporative cooler core body being arranged in casing, cabinet top is provided with air inlet, auxiliary air exhaust outlet, and shell bottom is provided with primary air air outlet;Dew point indirect evaporative cooler core body is made up of the spaced apart dry passage of several side by side parallel and wet channel;Respectively it is provided between dry passage and wet channel on a channel partition, dividing plate and is located at the one side of dry passage for hydrophobic surface, is hydrophilic surface positioned at the one side of wet channel;The bottom of dividing plate enters wet channel provided with partial air in through hole, dry passage is shunted by shunting through hole, is run as auxiliary air in wet channel, primary air and auxiliary air are countercurrently;At the same time, the channel partition of the cooler core in the present invention includes plastic base, the one side flocking using electrostatic flocking technology to substrate, so as to obtain the hydrophilic dividing plate of the hydrophobic another side of one side, the thickness of dividing plate is 0.1~0.4mm.

Description

The board-like dew point indirect evaporative cooler of adverse current and channel partition of built-in flow dividing structure

Technical field

The invention belongs to operation of air conditioning systems technical field, and in particular to a kind of dew point indirect evaporative cooling of improved form Device, using the board-like cooler form of adverse current.

Background technology

Indirect evaporation cooler is a kind of current new operation of air conditioning systems.It utilizes the dry bulb in natural environment air The difference of temperature and wet-bulb temperature, a kind of environment-friendly high-efficiency and warp of Psychrometric Energy are obtained by the hot and humid area between water and air The type of cooling of Ji.In the case of without using compressor and refrigerant, can cooling gas to the wet-bulb temperature for approaching air, And do not increase the water capacity of output air.All-fresh air can be used by evaporating cooling procedure, and air quality is good.

Dew point indirect evaporative cooler can realize that multistage influence diagram drops as the improvement to indirect evaporative cooling technology Temperature.It promotes hot and humid area using the auxiliary air wet-bulb temperature constantly reduced, and the temperature of air to be cooled is reduced to low In the wet-bulb temperature of intake air, even up to dew-point temperature, less than traditional indirect evaporative cooling technology.

Dew point indirect evaporative cooler is made up of the dry passage and wet channel of uniform spaced arrangement.Cooled air As primary air, flowed in dry passage.By the baffle plate between dry passage and wet channel, a part of primary air flows into wet In channel plate, flowed with original air in wet channel together as auxiliary air in wet channel.Constantly there is water in wet channel Spray, auxiliary air is directly contacted with water, blended, and carries out hot and humid area, then be individually separated.Secondary sky after being cooled down in wet channel Heat in aspiration dry passage, primary air etc. is clammy but.As the air themperature for flowing into wet side is constantly reduced, primary air enters One step obtains sensible heat cooling.So on, until primary air by etc. wet be cooled to below the wet-bulb temperature of inlet condition and connect Its nearly dew-point temperature, and keep humidity constant.Auxiliary air is absorbed after heat, is discharged from wet channel outdoor.

At present, conventional cooler construction mainly has tubular type and board-like.Compared to chimney cooler, plate-type evaporative cooler High with heat transfer efficiency, resistance is relatively small, compact conformation, and dismounting is easy to clean, and heat-transfer area flexibly can be changed and combined Advantage.

The flow direction of the flow direction of primary air and auxiliary air, auxiliary air and water, for the cooling of cooler Efficiency plays a major role, and also determines the degree of primary air cooling.Experimental and theoretical computation is confirmed, is imported and exported in identical During temperature, the change of two fluid temperature differences is than shallower and average when primary air and auxiliary air, auxiliary air and shower water adverse current The temperature difference is big, is more beneficial for heat exchange, therefore countercurrent flow is a kind of most efficient methods for cooling, and can save certain space.But , due to the difficulty that evaporative cooling system is arranged, cross-flow to be used the type of flow before more.

In addition, the selection for channel partition material is also to influence the key factor of cooler performance.It is secondary in wet channel Primary air is flowed in respective runner respectively in air, recirculated water and dry passage, and interchannel is separated by channel partition, is flowed Body is not contacted each other, and heat is delivered to auxiliary air by channel partition from primary air, completes cooling procedure, it is therefore desirable to logical Road dividing plate is easy to shower water with hydrophobic (dry passage side) compared with Thermal conductivity, and when hydrophilic (wet channel side) Attachment, enhancing is exchanged with the caloic of auxiliary air.Channel partition material conventional at present be generally aluminium foil, plastics, fibre sheet material or Composite.The performance of homogenous material is single, it is impossible to while having hydrophobic and enough deflection condition when hydrophilic, be combined Sheet material is influenceed by combination process, and hydrophilic effect is bad, and channel partition it is thicker be unfavorable for heat exchange, it is therefore desirable to it is even more ideal Alternative materials.

The content of the invention

The problem of existing for prior art, the present invention provides a kind of board-like dew point of adverse current of built-in flow dividing structure and steamed indirectly Send out cooler, the present invention makes in dry passage auxiliary air in primary air and wet channel, auxiliary air and shower water in wet channel Countercurrent flow is realized in body normal direction in cooler, increases heat transfer temperature difference, improves heat and mass driven potential, improves cooler Cooling effectiveness, and cooler internal resistance can be reduced.At the same time, the channel partition of the cooler core in the present invention is used Plastics carry out flocking as base material, and using planar electrostatic flocking technique to the one side of base material, improve the vapo(u)rability after water suction Energy and heat conductivility, so that whole board-like dew point indirect evaporative cooler heat exchange property lifting.

In order to solve the above-mentioned technical problem, a kind of board-like dew point of adverse current of built-in flow dividing structure proposed by the present invention steams indirectly Cooler, including casing and the dew point indirect evaporative cooler core body being arranged in casing are sent out, the cabinet top is provided with air intake Mouth, auxiliary air exhaust outlet and water-locator, the bottom of the casing are provided with upper opening type header tank, water circulating pump and primary air Air outlet, the air inlet is provided with pressure fan, and the primary air air outlet is connected with interior, the auxiliary air exhaust outlet Place is provided with exhaust blower, and the auxiliary air exhaust outlet is connected with outdoor, is connected from the header tank by water circulating pump to water-locator It is connected to feed pipe;The dew point indirect evaporative cooler core body is made up of more than 1 cooling unit body stacked side by side, Mei Geleng But cell cube includes the dry passage and wet channel that side by side parallel is arranged, cooling unit body stacked side by side is in dry passage and wet channel Arranged for interval;Respectively it is provided between dry passage and wet channel on a channel partition, the channel partition and is located at dry passage It is simultaneously to be located at the one side of wet channel on hydrophobic surface, the channel partition for hydrophilic surface, the first ripple is provided with the dry passage Plate, the two sides of first corrugated plating, which is in hydrophobic surface, the wet channel, is provided with the second corrugated plating, second corrugated plating Two sides is hydrophilic surface;The top of the dry passage is provided with the dry passage air inlet connected with the air inlet, the dry passage Bottom be provided with the dry passage air outlet that is connected with the primary air air outlet;The top of the wet channel is provided with and the cloth Hydrophone just to spray water inlet, be additionally provided with the wet channel being connected with the auxiliary air exhaust outlet at the top of the wet channel and go out Air port;The bottom of the channel partition flows to cooler core provided with the part primary air shunted in through hole, the dry passage Behind bottom, the auxiliary air flowed up is formed after entering wet channel by the shunting through hole;The dew point indirect evaporative is cold But the vertically countercurrent flow in cooler of the auxiliary air in the primary air and wet channel in device core body dry passage;Institute State the shower water of auxiliary air in the wet channel and the water-locator vertically countercurrent flow in cooler.

It is empty inside cooler when the board-like dew point indirect evaporative cooler of adverse current of built-in flow dividing structure of the invention works The air inlet that gas is set from top enters the primary air for being formed and being run downwards in spaced dry passage, part primary air Discharge, sent into by the primary air air outlet being connected indoor from the dry passage air outlet of cooler bottom.In primary air Heat exchange the lower partition between passage and secondary-air passage is provided with a number of shunting through hole, part dry passage once Air is flowed to behind cooler bottom, enters the secondary sky that wet channel formation is run up in wet channel by the shunting through hole Top-down primary air is reverse in the main paragraph of cooler in auxiliary air and dry passage in gas, wet channel from bottom to top Flowing, increases Exchange of apparent heat efficiency.There is shower water to flow from top to bottom inside wet channel simultaneously, with the wet channel from lower On auxiliary air also form reverse flow, increase efficiency of damp and hot exchanging.After estimated secondary air temperature and water capacity increase, by cold But the auxiliary air exhaust outlet on device top drains into outdoor.

A kind of board-like dew point indirect evaporative cooler of adverse current for above-mentioned built-in flow dividing structure proposed in the present invention Channel partition, is one side plastic flocking material.The channel partition includes plastic base, and (hard such as PET, PVC, PP, PS, ABS is moulded Media sheet) and the good fine hair of water imbibition (nylon, viscose glue, acrylic fibers, staple fibre etc.).The preparation of the channel partition is using flat Face electrostatic flocking technology carries out flocking processing in the one side of plastic base, fine hair is uniformly bonded at by phytyl plate, is formed and inhaled Evaporation and heat-exchange side after water.Fine hair is water-absorbing material, and plastic basis material is hydrophobic material, so that it is another for hydrophilic surface to obtain one side Face is the channel partition of hydrophobic surface.The thickness of the channel partition is 0.1~0.4mm.

Compared with prior art, the beneficial effects of the invention are as follows:

(1) present invention is in the case of without using compressor and refrigerant, and evaporation cooling procedure uses all-fresh air, air product Matter is good./ exhaust blower and water pump power consumption are only sent during due to operation, compared to common family expenses split-type air conditioner, is saved a large amount of Power consumption.Shower water in dew point indirect evaporative cooler selects a small amount of running water, and recycling does not result in waste.

(2) plastic flocking composite is used for the channel partition of cooler core by the present invention first, utilizes electrostatic spinning Fine hair is uniformly bonded on plastic base by technique.Reduced compared to conventional single sheet material or two kinds of compound materials of sheet material The soaking effect in channel partition wet channel face is enhanced while channel partition thickness.

(3) dew point indirect evaporative cooler that the present invention is used, the primary air using a part enters wet channel, constantly The wet-bulb temperature of auxiliary air is reduced, so as to reduce the temperature of primary air, the air after cooling is reached air intake in theory The dew-point temperature of air.The wet-bulb temperature of air intake air may only be at most reached compared to traditional indirect evaporation cooler, is dropped Low wind pushing temperature, and do not increase the water capacity of output air.

(4) adverse current panel cooler form of the invention, makes in dry passage auxiliary air in primary air and wet channel, wet Auxiliary air and shower water realize countercurrent flow in cooler body vertical direction in passage, improve changing for cooler The thermal efficiency.And in the passage of plank frame air flow air loss very little, reduce the resistance of blower fan, and then reduce energy Consumption.

Brief description of the drawings

Fig. 1 is that the dry passage cross section structure of the board-like dew point indirect evaporative cooler of adverse current of flow dividing structure built in the present invention shows It is intended to;

Fig. 2 is that the wet channel cross section structure of the board-like dew point indirect evaporative cooler of adverse current of flow dividing structure built in the present invention shows It is intended to;

Fig. 3 is the dimensional structure diagram of cooler core in the present invention;

Fig. 4 is the decomposition texture schematic diagram of cooler core in the present invention.

In figure:1- air inlets, 2- pressure fan, 3- primary airs, 4- shunting through holes, 5- primary air air outlets, 6- bis- times Air, 7- auxiliary air exhaust outlets, 8- exhaust blowers, 9- casings, 10- water-locators, 11- water fenders, 12- feed pipes, 13- recirculated waters Pump, 14- header tanks, 15- cooler cores, 16- dry passages, 17- wet channels, 18- channel partitions, the corrugated platings of 19- first, 20- Second corrugated plating, 21- dry passage air inlets, 22- dry passage air outlets, 23- wet channel air outlets, 24- spray water inlets.

Embodiment

Technical solution of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.

As depicted in figs. 1 and 2, the board-like dew point indirect evaporative cooling of adverse current of a kind of built-in flow dividing structure proposed by the present invention Device, including casing 9 and the dew point indirect evaporative cooler core body 15 being arranged in casing 9.

The top of casing 9 is provided with air inlet 1, auxiliary air exhaust outlet 7 and water-locator 10, and the bottom of the casing 9 is set Have to be provided with the header tank 14, water circulating pump 13 and primary air air outlet 5 of upper opening type, the air inlet 1 and connected by airduct Pressure fan 2, provided with the exhaust blower 8 connected by airduct at the auxiliary air exhaust outlet 7, the auxiliary air exhaust outlet 7 with Outdoor connection, primary air 3 leads to interior after supercooling by primary air air outlet 5, and auxiliary air 6 is arranged by auxiliary air The row of air port 7 is connected with feed pipe 12 from the header tank 14 to outdoor by water circulating pump 13 to water-locator 10.

As shown in Figure 3 and Figure 4, the dew point indirect evaporative cooler core body 15 is by more than 1 cooling list stacked side by side First body is constituted, and each cooling unit body includes the gas channel that side by side parallel is arranged, i.e. dry passage 16 and wet channel 17, described dry It is respectively interior provided with the first corrugated plating 19, first ripple provided with supporting plate, i.e. dry passage 16 in passage 16 and wet channel 17 The two sides of plate 19 is hydrophobic surface, that is, the first corrugated plating 18 is the plastic plate of non-flocking;Second is provided with the wet channel 17 Corrugated plating 20, the two sides of second corrugated plating 20 is hydrophilic surface, namely the plastics base that the second corrugated plating 20 is two sides flocking Plate.In addition, multiple apertures can be provided with the second corrugated plating 20 in wet channel 17, grid type corrugated plating is formed, to increase contact Area, the caloic between enhancing auxiliary air and shower water is exchanged.

Cooling unit body stacked side by side is in dry passage 16 and the arranged for interval of wet channel 17;Dry passage 16 and wet channel 17 it Between be respectively provided with a channel partition 18, the channel partition 18 is made using plastic plate, is located on the channel partition 18 dry The one side of passage 16 is that the one side positioned at wet channel 17 is the hydrophilic of flocking on the hydrophobic surface of non-flocking, the channel partition 18 Face;When arranging multiple channel partitions 18 in cooling unit body stacked side by side, the hydrophobic surface of adjacency channel dividing plate 18 is made successively Relative with hydrophobic surface, hydrophilic surface and hydrophilic surface are relative, and dry passage is constituted between two channel partitions 18 hydrophobic surface positioned opposite Wet channel 17 is constituted between 16 (primary air passages), two channel partitions 18 hydrophilic surface positioned opposite, and (auxiliary air leads to Road) so that dry passage 16 or wet channel 17 are formd between two adjacent channel partitions 18, and two adjacent passages Backing material between dividing plate 18 is the corrugated plating of vertical line, not influence passing through for air-flow.

Air enters the dry passage 16 of dew point indirect evaporative cooler core body 15 from cooler air inlet 1, due to dry passage 16 and wet channel 17 be relatively independent, it is therefore prevented that from air inlet 1 enter air simultaneously enter wet channel 18.Similarly, It is not that the space of gas channel and dry passage 16 are separated between dew point indirect evaporative cooler core body 15 and casing 9, in Fig. 1 Be not shown in heavy line, between dew point indirect evaporative cooler core body 15 and casing 9 gas channel space also with wet channel 17 Separate, as shown in the heavy line in Fig. 2.

The top of the dry passage 16 is provided with the dry passage air inlet 21 connected with the air inlet 1, the dry passage 16 Bottom be provided with the dry passage air outlet 22 that is connected with the primary air air outlet 5;The bottom of the channel partition 18 is provided with The part primary air 3 shunted in through hole 4, dry passage 16 is entered in wet channel 17 by the shunting through hole 4.The wet channel 17 Top be provided with the water-locator 10 just to spray water inlet 24, the top of the wet channel 17 be additionally provided with it is described secondary The connected wet channel air outlet 23 of the air intake vent of exhaust blower 8 at air exhaust outlet 7.

As shown in figure 1, the cross section structure schematic diagram of cooler dry passage 16 (i.e. primary air passage) of the present invention, in cooling Inside device, the air inlet 1 that air is set from the top of casing 9 enters spaced dry passage 16 operation, partial air downwards Discharged from the dry passage air outlet 22 of cooler bottom, interior is sent into by the primary air air outlet 5 being connected.In dry passage The bottom of channel partition 18 between 16 (i.e. primary air passages) and wet channel 17 (i.e. secondary-air passage) is provided with a fixed number Air in the shunting through hole 4 of amount, part dry passage 16 is flowed to behind cooler bottom, passes through the shunting through hole on channel partition 18 4 enter wet channel 17, are run up as auxiliary air 6 in wet channel 17, as shown in Fig. 2 in wet channel 17 from bottom to top Auxiliary air 6 and dry passage 16 in top-down primary air 3 in the main paragraph reverse flow of cooler, increase sensible heat hands over Change efficiency.In the top of cooler core 15, water-locator 10 is set, the header tank 14 set in the lower section of cooler core 15, By water circulating pump 13 by the supply water-locator 10 of the water circulation in header tank 14, the shower water of water-locator 10 is entered by shower water Mouthfuls 24 equably spray in the wet channel 17 of cooler from top to bottom, the inside shower water of wet channel 17 flow from top to bottom with Auxiliary air 6 from bottom to top in wet channel 17 also forms reverse flow, increases efficiency of damp and hot exchanging, the temperature of auxiliary air 6 After degree and water capacity increase, auxiliary air 6 is drained into by room by auxiliary air exhaust outlet 7 by the exhaust blower 8 on cooler top Outside, water fender 11 is preferably provided with before auxiliary air exhaust outlet 7, to prevent the shower water of water-locator 10 with the row of auxiliary air 6 Go out, it is to avoid the operation of influence exhaust blower 8.Spray water flow, can by water circulating pump 13 to header tank 14 is entered behind cooler bottom Used with continuing cycling through.With the continuous reduction of the temperature of primary air 3 in dry passage 16, a part of primary air 3 constantly leads to Undue opening 4 becomes auxiliary air 6, and the wet-bulb temperature of the auxiliary air 6 of such wet channel 17 is also continuously available drop therewith It is low, auxiliary air 6 in wet channel 17 with after the Exchange of apparent heat of primary air 3 of dry passage 16, the temperature of primary air 3 also gradually drops It is low, can be with the dew-point temperature of convergence air intake air.In cooling procedure of the present invention, primary air 3 and auxiliary air 6, auxiliary air 6 Reverse flow is realized with shower water, heat transfer temperature difference is increased to greatest extent, chiller efficiency is improved so that got in Be the relatively low air of temperature, between wet-bulb temperature and dew-point temperature.

Structure for the channel partition of the board-like dew point indirect evaporative cooler of adverse current of above-mentioned built-in flow dividing structure is profit With plastic flocking material as channel partition material, the channel partition is included plastic base, existed using planar electrostatic flocking technique The one side of plastic base carries out flocking processing, so that it is the channel partition that hydrophobic surface another side is hydrophilic surface to obtain one side;In modeling Expect electrostatic spinning on substrate one side, fine hair (nylon, viscose glue, acrylic fibers, staple fibre etc.) is taken electric charge, it is necessary to the base material of flocking (rigid plastics sheet such as PET, PVC, PP, PS, ABS) scribbles adhesive, is placed under zero potential or grounding requirement, fine hair is by different The attraction of current potential, is bonded at by phytyl material by vertical, forms evaporation and heat-exchange side after water suction.Fine hair is water-absorbing material, and plastics Base material is hydrophobic material, is different from common stickup or hot pressing complex method using electrostatic flocking technology, will not change fine hair Water absorbing properties, therefore, the water-absorption surface of the channel partition are functional;The thickness of channel partition 18 is in 0.1~0.4mm, its heat conduction Work well.It is improved using volatility after above-mentioned channel partition material water suction and heat conductivility, so that whole plate Formula dew point indirect evaporative cooler heat exchange property is lifted.

Although above in conjunction with accompanying drawing, invention has been described, and the invention is not limited in above-mentioned specific implementation Mode, above-mentioned embodiment is only schematical, rather than restricted, and one of ordinary skill in the art is at this Under the enlightenment of invention, without deviating from the spirit of the invention, many variations can also be made, these belong to the present invention's Within protection.

Claims (4)

1. a kind of board-like dew point indirect evaporative cooler of adverse current of built-in flow dividing structure, including casing (9) and it is arranged on casing (9) Interior dew point indirect evaporative cooler core body (15), it is characterised in that:
Air inlet (1), auxiliary air exhaust outlet (7) and water-locator (10) are provided with the top of the casing (9), the casing (9) Bottom is provided with upper opening type header tank (14), water circulating pump (13) and primary air air outlet (5), and air inlet (1) place is set There is pressure fan (2), the primary air air outlet (5) connects with interior, and auxiliary air exhaust outlet (7) place is provided with exhaust blower (8), the auxiliary air exhaust outlet (7) connects with outdoor, from the header tank (14) by water circulating pump (13) to water-locator (10) it is connected with feed pipe (12);
The dew point indirect evaporative cooler core body (15) is made up of more than 1 cooling unit body stacked side by side, each cooling Cell cube includes the dry passage (16) and wet channel (17) that side by side parallel is arranged, cooling unit body stacked side by side is in dry passage And wet channel (17) arranged for interval (16);Respectively provided with a channel partition between dry passage (16) and wet channel (17) (18), the one side on the channel partition (18) positioned at dry passage (16) is positioned at wet on hydrophobic surface, the channel partition (18) The one side of passage (17) is that the first corrugated plating (19), first corrugated plating (19) are provided with hydrophilic surface, the dry passage (16) Two sides be hydrophobic surface, the second corrugated plating (20), the two sides of second corrugated plating (20) are provided with the wet channel (17) It is hydrophilic surface;
The top of the dry passage (16) is provided with the dry passage air inlet (21) connected with the air inlet (1), the dry passage (16) bottom is provided with the dry passage air outlet (22) connected with the primary air air outlet (5);
The top of the wet channel (17) be provided with the water-locator (10) just to spray water inlet (24), the wet channel (17) the wet channel air outlet (23) being connected with the auxiliary air exhaust outlet (7) is additionally provided with the top of;
The bottom of the channel partition (18) is provided with part primary air (3) stream shunted in through hole (4), the dry passage (16) To after cooler core (15) bottom, wet channel (17) is entered by the shunting through hole (4) and forms flow up secondary afterwards Air (6);
Two in primary air (3) and wet channel (17) in dew point indirect evaporative cooler core body (15) dry passage (16) Secondary air (6) vertically countercurrent flow in cooler;Auxiliary air (6) and the water distribution in the wet channel (17) The shower water of device (10) vertically countercurrent flow in cooler.
2. the board-like dew point indirect evaporative cooler of the adverse current of built-in flow dividing structure according to claim 1, it is characterised in that institute Wet channel air outlet (23) place is stated provided with water fender (11).
3. the board-like dew point indirect evaporative cooler of the adverse current of built-in flow dividing structure according to claim 1, it is characterised in that institute State hydrophobic surface to be made up of plastic basis material surface, the hydrophilic surface is made up of the flocked surface on plastic basis material,.
4. the board-like dew point indirect evaporative cooler of the adverse current of built-in flow dividing structure according to claim 1, it is characterised in that institute The second corrugated plating (20) is stated for grid type corrugated plating.
CN201510037203.2A 2015-01-23 2015-01-23 The board-like dew point indirect evaporative cooler of adverse current and channel partition of built-in flow dividing structure CN104534603B (en)

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CN101329104A (en) * 2008-07-14 2008-12-24 西安工程大学 Square porous ceramic vertical tube type dew point indirect evaporative cooler
CN102168929A (en) * 2010-02-26 2011-08-31 株式会社地球清洁东北 Indirect evaporative cooling apparatus
CN104110973A (en) * 2014-07-16 2014-10-22 袁野 Evaporative cooling core based on corrugated paper and flat plates
CN204460556U (en) * 2015-01-23 2015-07-08 天津大学 The board-like dew point indirect evaporative cooler of adverse current of built-in flow dividing structure and channel partition

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