CN104534603A - Countercurrent plate type dew-point indirect evaporative cooler with internal dividing structure, and channel clapboard - Google Patents

Countercurrent plate type dew-point indirect evaporative cooler with internal dividing structure, and channel clapboard Download PDF

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Publication number
CN104534603A
CN104534603A CN201510037203.2A CN201510037203A CN104534603A CN 104534603 A CN104534603 A CN 104534603A CN 201510037203 A CN201510037203 A CN 201510037203A CN 104534603 A CN104534603 A CN 104534603A
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China
Prior art keywords
air
channel
indirect evaporative
wet
dry passage
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CN201510037203.2A
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Chinese (zh)
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CN104534603B (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 countercurrent plate type dew-point indirect evaporative cooler with an internal dividing structure. The cooler comprises a dew-point indirect evaporative cooler core body arranged in a casing, wherein a wind inlet and a secondary air exhaust opening are formed in the top of the casing, and a primary air supply opening is formed in the bottom of the casing; the dew-point indirect evaporative cooler core body is composed of multiple side-by-side dry channels and wet channels spaced in parallel; a clapboard is arranged between each dry channel and the corresponding wet channel; the surfaces of the clapboards, on the dry channels, are hydrophobic surfaces, and the surfaces of the clapboard, on the wet channels, are hydrophilic surfaces; a dividing hole is formed in the lower part of each clapboard, and part of air in the dry channels enters the corresponding wet channels through the dividing holes and runs in the wet channels as secondary air, and primary air and the secondary air flow reversely; meanwhile, each channel clapboard of the cooler core body comprises a plastic base plate; and one surface of each base plate is flocked by adopting an electrostatic flocking process to obtain the clapboard with the hydrophobic surface and the hydrophilic surface, and the thickness of the clapboard is 0.1-0.4mm.

Description

The board-like dew point indirect evaporative cooler of adverse current of built-in flow dividing structure and channel partition
Technical field
The invention belongs to operation of air conditioning systems technical field, be specifically related to a kind of dew point indirect evaporative cooler of improved form, adopt the cooler form that adverse current is board-like.
Background technology
Indirect evaporation cooler is current a kind of novel operation of air conditioning systems.It utilizes the difference of dry-bulb temperature in natural environment air and wet-bulb temperature, obtains a kind of environment-friendly high-efficiency of Psychrometric Energy and the type of cooling of economy by the hot and humid area between water and air.When not using compressor and cold-producing medium, can refrigerating gas to the wet-bulb temperature approaching air, and do not increase the water capacity of output air.Evaporative cooling process can adopt all-fresh air, and air quality is good.
Dew point indirect evaporative cooler, as the improvement to indirect evaporative cooling technology, can realize multistage influence diagram cooling.It utilizes the auxiliary air wet-bulb temperature constantly reduced to promote hot and humid area, and the temperature of air to be cooled is reduced to the wet-bulb temperature lower than intake air, even reaches dew-point temperature, lower than traditional indirect evaporative cooling technology.
Dew point indirect evaporative cooler is made up of the dry passage of uniform spaced arrangement and wet channel.Cooled air, as primary air, flows in dry passage.By the baffle plate between dry passage and wet channel, a part of primary air flows in wet channel plate, flows together with the original air in wet channel as auxiliary air in wet channel.Constantly have Water spray in wet channel, auxiliary air directly contact with water, blending, carry out hot and humid area, then separate separately.In wet channel, cooled auxiliary air absorbs heat in dry passage, and primary air etc. are but clammy.Along with the air themperature flowing into wet side constantly reduces, primary air obtains sensible heat cooling further.So go down, until primary air by etc. below the wet wet-bulb temperature being cooled to entrance state and close to its dew-point temperature, and keep humidity constant.After auxiliary air absorbs heat, from wet channel discharge chamber.
At present, conventional cooler construction mainly contains tubular type and board-like.Compared to chimney cooler, it is high that plate-type evaporative cooler has heat transfer efficiency, and resistance is relatively little, compact conformation, dismounting easy to clean, and heat-transfer area can change and the advantage such as combination flexibly.
The flow direction of primary air and auxiliary air, the flow direction of auxiliary air and water, the cooling effectiveness for cooler plays a major role, and also determines the degree of primary air cooling.Experimental and theoretical computation all confirms, when identical out temperature, when primary air and auxiliary air, auxiliary air and shower water adverse current, the relatively mild and mean temperature difference of two fluid temperature differences changes greatly, more be conducive to heat exchange, therefore countercurrent flow is the most efficient a kind of methods for cooling, and can save certain space.But, due to the difficulty that evaporative cooling system is arranged, the type of flow many employings cross-flow before.
In addition, the selection for channel partition material is also the key factor affecting cooler performance.In wet channel, in auxiliary air, recirculated water and dry passage, primary air flows respectively in respective runner, interchannel is separated by channel partition, fluid does not contact each other, heat is delivered to auxiliary air by channel partition from primary air, complete cooling procedure, therefore need channel partition to have comparatively good heat conductive performance, and one side hydrophilic (wet channel side) one side hydrophobic (dry passage side), be convenient to shower water attachment, strengthen and exchange with the caloic of auxiliary air.Channel partition material conventional mostly at present is aluminium foil, plastics, fibre sheet material or composite.The performance of homogenous material is single, and can not have the hydrophobic and condition that deflection is enough of the hydrophilic one side of one side, composite sheet is subject to the impact of combination process, and hydrophilic effect is bad simultaneously, and channel partition is thicker is unfavorable for heat exchange, therefore needs more preferably alternative materials.
Summary of the invention
For prior art Problems existing, the invention provides a kind of board-like dew point indirect evaporative cooler of adverse current of built-in flow dividing structure, the present invention to make in dry passage in primary air and wet channel auxiliary air and shower water body normal direction in cooler in auxiliary air, wet channel realize countercurrent flow, increase heat transfer temperature difference, improve heat and mass driven potential, improve the cooling effectiveness of cooler, and cooler internal resistance can be reduced.Meanwhile, the channel partition of the cooler core in the present invention adopts plastics as base material, and utilize planar electrostatic flocking technique to carry out flocking to the one side of base material, improve the volatility after water suction and heat conductivility, thus whole board-like dew point indirect evaporative cooler heat exchange property is promoted.
In order to solve the problems of the technologies described above, the board-like dew point indirect evaporative cooler of adverse current of a kind of built-in flow dividing structure that the present invention proposes, comprise casing and be arranged on the dew point indirect evaporative cooler core body in casing, described cabinet top is provided with air inlet, auxiliary air exhaust outlet and water-locator, the bottom of described casing is provided with upper opening type header tank, water circulating pump and primary air air outlet, described air inlet is provided with pressure fan, described primary air air outlet is communicated with indoor, described auxiliary air exhaust outlet place is provided with exhaust blower, described auxiliary air exhaust outlet is communicated with outdoor, feed pipe is connected with through water circulating pump to water-locator from described header tank, described dew point indirect evaporative cooler core body is made up of more than 1 cooling unit body stacked side by side, and each cooling unit body comprises the dry passage and wet channel that side by side parallel arranges, cooling unit body stacked side by side be dry passage and wet channel interval layout, a channel partition is provided with respectively between dry passage and wet channel, the one side described channel partition being positioned at dry passage is hydrophobic surface, the one side described channel partition being positioned at wet channel is hydrophilic surface, first wave card is provided with in described dry passage, the two sides of described first wave card is hydrophobic surface, be provided with Second Wave card in described wet channel, the two sides of described Second Wave card is hydrophilic surface, the top of described dry passage is provided with the dry passage air inlet be communicated with described air inlet, and the bottom of described dry passage is provided with the dry passage air outlet be communicated with described primary air air outlet, the top of described wet channel is provided with the shower water entrance just right with described water-locator, and the top of described wet channel is also provided with the wet channel air outlet be connected with described auxiliary air exhaust outlet, the bottom of described channel partition is provided with a point opening, and the part primary air in described dry passage flows to after bottom cooler core, forms the auxiliary air that upwards flow after entering wet channel by described point of opening, primary air in described dew point indirect evaporative cooler core body dry passage and the auxiliary air in wet channel vertically countercurrent flow in cooler, the shower water of the auxiliary air in described wet channel and described water-locator vertically countercurrent flow in cooler.
When the board-like dew point indirect evaporative cooler of adverse current of the built-in flow dividing structure of the present invention works, inner at cooler, air enters the primary air being formed in spaced dry passage and run downwards from the air inlet that top is arranged, part primary air is discharged from the dry passage air outlet of cooler bottom, sends into indoor by the primary air air outlet be connected.Heat exchange the lower partition between primary air passage and secondary-air passage has point opening of some, primary air in part dry passage flows to after bottom cooler, enter wet channel by described point of opening and be formed in the auxiliary air upwards run in wet channel, in wet channel, in auxiliary air from bottom to top and dry passage, top-down primary air, in the main paragraph reverse flow of cooler, increases Exchange of apparent heat efficiency.Wet channel inside has shower water to flow from top to bottom simultaneously, also forms reverse flow with the auxiliary air from bottom to top in this wet channel, increases efficiency of damp and hot exchanging.After estimated secondary air temperature and water capacity increase, drain into outdoor by the auxiliary air exhaust outlet on cooler top.
The channel partition of 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 is one side plastic flocking material.This channel partition comprises plastic base (rigid plastics sheet such as PET, PVC, PP, PS, ABS) and the good fine hair (nylon, viscose glue, acrylic fibers, staple fibre etc.) of water imbibition.The preparation of this channel partition adopts planar electrostatic flocking technique to carry out flocking process in the one side of plastic base, makes fine hair be bonded at by phytyl plate uniformly, forms the rear evaporation and heat-exchange side of water suction.Fine hair is water-absorbing material, and plastic basis material is hydrophobic material, thus obtains simultaneously for hydrophilic surface another side is the channel partition of hydrophobic surface.The thickness of described channel partition is 0.1 ~ 0.4mm.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention is not when using compressor and cold-producing medium, and evaporative cooling process adopts all-fresh air, and air quality is good.Due to run time only give/exhaust blower and water pump power consumption, compared to common family expenses split-type air conditioner, save a large amount of power consumptions.Shower water in dew point indirect evaporative cooler selects a small amount of running water, and recycles and can not cause waste.
(2) plastic flocking composite is used for the channel partition of cooler core by the present invention first, utilizes electrostatic flocking technology to be evenly bonded on plastic base by fine hair.Compared to the soaking effect enhancing channel partition wet channel face while the material of conventional single sheet material or two kinds of sheet material compounds reduces channel partition thickness.
(3) dew point indirect evaporative cooler of the present invention's employing, the primary air of a part is utilized to enter wet channel, the wet-bulb temperature of continuous reduction auxiliary air, thus the temperature reducing primary air, make cooled air can reach the dew-point temperature of air intake air in theory.Compared to traditional indirect evaporation cooler at most only to reach the wet-bulb temperature of air intake air, reduce wind pushing temperature, and do not increase the water capacity of output air.
(4) adverse current panel cooler form of the present invention, to make in dry passage in primary air and wet channel auxiliary air and shower water in auxiliary air, wet channel all achieve countercurrent flow in cooler body vertical direction, improve the heat exchange efficiency of cooler.And in the passage of plank frame, the air loss of air flowing is very little, reduces the resistance of blower fan, and then reduce energy consumption.
Accompanying drawing explanation
Fig. 1 is the dry passage cross section structure schematic diagram of the board-like dew point indirect evaporative cooler of adverse current of the built-in flow dividing structure of the present invention;
Fig. 2 is the wet channel cross section structure schematic diagram of the board-like dew point indirect evaporative cooler of adverse current of the built-in flow dividing structure of the present invention;
Fig. 3 is the perspective view 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 inlet, 2-pressure fan, 3-primary air, 4-divides opening, 5-primary air air outlet, 6-auxiliary air, 7-auxiliary air exhaust outlet, 8-exhaust blower, 9-casing, 10-water-locator, 11-water fender, 12-feed pipe, 13-water circulating pump, 14-header tank, 15-cooler core, 16-dry passage, 17-wet channel, 18-channel partition, 19-first wave card, 20-Second Wave card, 21-dry passage air inlet, 22-dry passage air outlet, 23-wet channel air outlet, 24-shower water entrance.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical solution of the present invention is described in further detail.
As depicted in figs. 1 and 2, the board-like dew point indirect evaporative cooler of adverse current of a kind of built-in flow dividing structure that the present invention proposes, the dew point indirect evaporative cooler core body 15 comprising casing 9 and be arranged in casing 9.
Described casing 9 top is provided with air inlet 1, auxiliary air exhaust outlet 7 and water-locator 10, the bottom of described casing 9 is provided with the header tank 14 of upper opening type, water circulating pump 13 and primary air air outlet 5, described air inlet 1 place is provided with the pressure fan 2 connected by airduct, described auxiliary air exhaust outlet 7 place is provided with the exhaust blower 8 connected by airduct, described auxiliary air exhaust outlet 7 is communicated with outdoor, primary air 3 leads to indoor by primary air air outlet 5 after supercooling, auxiliary air 6 passes through auxiliary air exhaust outlet 7 discharged to outdoor, feed pipe 12 is connected with through water circulating pump 13 to water-locator 10 from described header tank 14.
As shown in Figure 3 and Figure 4, described dew point indirect evaporative cooler core body 15 is made up of more than 1 cooling unit body stacked side by side, each cooling unit body comprises the gas channel that side by side parallel is arranged, i.e. dry passage 16 and wet channel 17, be provided with gripper shoe respectively in described dry passage 16 and wet channel 17, be namely provided with first wave card 19 in dry passage 16, the two sides of described first wave card 19 is hydrophobic surface, also namely, first wave card 18 is the plastic plate of non-flocking; Be provided with Second Wave card 20 in described wet channel 17, the two sides of described Second Wave card 20 is hydrophilic surface, and also namely Second Wave card 20 is the plastic base of two sides flocking.In addition, the Second Wave card 20 in wet channel 17 can have multiple aperture, form grid type corrugated plating, with enlarge active surface, the caloic strengthened between auxiliary air and shower water exchanges.
Cooling unit body stacked side by side is that dry passage 16 and wet channel 17 interval are arranged, a channel partition 18 is provided with respectively between dry passage 16 and wet channel 17, described channel partition 18 adopts plastic plate to make, the one side described channel partition 18 being positioned at dry passage 16 is the hydrophobic surface of non-flocking, and the one side described channel partition 18 being positioned at wet channel 17 is the hydrophilic surface of flocking, when arranging the multiple channel partition 18 in cooling unit body stacked side by side, make the hydrophobic surface of adjacency channel dividing plate 18 relative with hydrophobic surface successively, hydrophilic surface is relative with hydrophilic surface, dry passage 16 (primary air passage) is formed between the hydrophobic surface that two channel partitions 18 are positioned opposite, wet channel 17 (secondary-air passage) is formed between the hydrophilic surface that two channel partitions 18 are positioned opposite, thus make to define dry passage 16 or wet channel 17 between two adjacent channel partitions 18, and the backing material between adjacent two channel partitions 18 is the corrugated plating of vertical line, not affect passing through of air-flow.
Air enters the dry passage 16 of dew point indirect evaporative cooler core body 15 from cooler air inlet 1, because dry passage 16 and wet channel 17 are relatively independent, therefore, prevents the air entered from air inlet 1 to enter wet channel 18 simultaneously.In like manner, not that space and the dry passage 16 of gas channel separates between dew point indirect evaporative cooler core body 15 and casing 9, as shown in the heavy line in Fig. 1, not that the space of gas channel also separates with wet channel 17, as shown in the heavy line in Fig. 2 between dew point indirect evaporative cooler core body 15 and casing 9.
The top of described dry passage 16 is provided with the dry passage air inlet 21 be communicated with described air inlet 1, and the bottom of described dry passage 16 is provided with the dry passage air outlet 22 be communicated with described primary air air outlet 5; The bottom of described channel partition 18 is provided with point opening 4, and the part primary air 3 in dry passage 16 is entered in wet channel 17 by this point of opening 4.The top of described wet channel 17 is provided with the shower water entrance 24 just right with described water-locator 10, and the top of described wet channel 17 is also provided with the wet channel air outlet 23 be connected with the air intake vent of the exhaust blower 8 at described auxiliary air exhaust outlet 7 place.
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, inner at cooler, the air inlet 1 that air is arranged from casing 9 top enters into spaced dry passage 16 and runs downwards, partial air is discharged from the dry passage air outlet 22 of cooler bottom, sends into indoor by the primary air air outlet 5 be connected.The bottom of the channel partition 18 between dry passage 16 (i.e. primary air passage) and wet channel 17 (i.e. secondary-air passage) has point opening 4 of some, air in part dry passage 16 flows to after bottom cooler, wet channel 17 is entered by point opening 4 on channel partition 18, upwards run in wet channel 17 as auxiliary air 6, as shown in Figure 2, in wet channel 17, auxiliary air from bottom to top 6 and the main paragraph reverse flow of top-down primary air 3 in dry passage 16 at cooler, increase Exchange of apparent heat efficiency.Water-locator 10 is set above cooler core 15, the header tank 14 arranged in the below of cooler core 15, by the supply water-locator 10 of water circulating pump 13 by the water circulation in header tank 14, the shower water of water-locator 10 sprays from top to bottom in the wet channel 17 of cooler by shower water entrance 24 equably, flow from top to bottom at the inner shower water of wet channel 17 and also form reverse flow with the auxiliary air 6 from bottom to top in wet channel 17, increase efficiency of damp and hot exchanging, after the temperature of auxiliary air 6 and water capacity increase, by the exhaust blower 8 on cooler top, auxiliary air 6 is drained into outdoor through auxiliary air exhaust outlet 7, water fender 11 is preferably provided with before auxiliary air exhaust outlet 7, discharge with auxiliary air 6 in order to prevent the shower water of water-locator 10, avoid the operation affecting exhaust blower 8.Enter header tank 14 after bottom spray water flow to cooler, can continue to recycle by water circulating pump 13.Along with the continuous reduction of primary air 3 temperature in dry passage 16, part primary air 3 constantly becomes auxiliary air 6 by a point opening 4, the wet-bulb temperature of the auxiliary air 6 of such wet channel 17 is also constantly reduced thereupon, after auxiliary air in wet channel 17 6 and primary air 3 Exchange of apparent heat of dry passage 16, primary air 3 temperature also successively reduces, can 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 and shower water all realize reverse flow, increase heat transfer temperature difference to greatest extent, improve chiller efficiency, making to enter indoor is the air that temperature is lower, 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 utilizes plastic flocking material as channel partition material, this channel partition comprises plastic base, adopt planar electrostatic flocking technique to carry out flocking process in the one side of plastic base, thus obtain simultaneously for hydrophobic surface another side is the channel partition of hydrophilic surface; Electrostatic spinning on plastic base one side, fine hair (nylon, viscose glue, acrylic fibers, staple fibre etc.) is made to bring electric charge, need base material (PET, PVC, the PP of flocking, PS, the rigid plastics sheets such as ABS) scribble adhesive, under being placed on zero potential or grounding requirement, fine hair is subject to the attraction of different current potential, vertically be bonded at by phytyl material, formed the rear evaporation and heat-exchange side of water suction.Fine hair is water-absorbing material, and plastic basis material is hydrophobic material, and adopt electrostatic flocking technology to be different from common stickup or hot pressing complex method, can not change the water absorbing properties of fine hair, therefore, the water-absorption surface of this channel partition is functional; The thickness of channel partition 18 is at 0.1 ~ 0.4mm, and its heat-conducting effect is good.After adopting above-mentioned channel partition material water suction, volatility and heat conductivility are improved, thus whole board-like dew point indirect evaporative cooler heat exchange property is promoted.
Although invention has been described by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; when not departing from present inventive concept, can also make a lot of distortion, these all belong within protection of the present invention.

Claims (6)

1. the board-like dew point indirect evaporative cooler of the adverse current of built-in flow dividing structure, comprises casing (9) and is arranged on the dew point indirect evaporative cooler core body (15) in casing (9), it is characterized in that:
Described casing (9) top is provided with air inlet (1), auxiliary air exhaust outlet (7) and water-locator (10), the bottom of described casing (9) is provided with upper opening type header tank (14), water circulating pump (13) and primary air air outlet (5), described air inlet (1) place is provided with pressure fan (2), described primary air air outlet (5) is communicated with indoor, described auxiliary air exhaust outlet (7) place is provided with exhaust blower (8), described auxiliary air exhaust outlet (7) is communicated with outdoor, feed pipe (12) is connected with through water circulating pump (13) to water-locator (10) from described header tank (14),
Described dew point indirect evaporative cooler core body (15) is made up of more than 1 cooling unit body stacked side by side, each cooling unit body comprises dry passage (16) and the wet channel (17) of side by side parallel layout, and cooling unit body stacked side by side is that dry passage (16) and wet channel (17) interval are arranged; A channel partition (18) is provided with respectively between dry passage (16) and wet channel (17), the one side described channel partition (18) being positioned at dry passage (16) is hydrophobic surface, the one side described channel partition (18) being positioned at wet channel (17) is hydrophilic surface, first wave card (19) is provided with in described dry passage (16), the two sides of described first wave card (19) is hydrophobic surface, be provided with Second Wave card (20) in described wet channel (17), the two sides of described Second Wave card (20) is hydrophilic surface;
The top of described dry passage (16) is provided with the dry passage air inlet (21) be communicated with described air inlet (1), and the bottom of described dry passage (16) is provided with the dry passage air outlet (22) be communicated with described primary air air outlet (5);
The top of described wet channel (17) is provided with the shower water entrance (24) just right with described water-locator (10), and the top of described wet channel (17) is also provided with the wet channel air outlet (23) be connected with described auxiliary air exhaust outlet (7);
The bottom of described channel partition (18) is provided with a point opening (4), part primary air (3) in described dry passage (16) enters wet channel (17) by described point of opening (4) and forms the auxiliary air (6) upwards flowed afterwards after flowing to cooler core (15) bottom;
Primary air (3) in described dew point indirect evaporative cooler core body (15) dry passage (16) and the auxiliary air (6) in wet channel (17) vertically countercurrent flow in cooler; Auxiliary air (6) in described wet channel (17) and the shower water of described water-locator (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 characterized in that, described wet channel air outlet (23) place is 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 characterized in that, described hydrophobic surface is made up of plastic basis material surface, and described 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 characterized in that, described Second Wave card (20) is grid type corrugated plating.
5. the channel partition for the board-like dew point indirect evaporative cooler of adverse current as built-in flow dividing structure as described in arbitrary in Claims 1-4, it is characterized in that, this channel partition comprises plastic base, the one side flocking of described plastic base, and the thickness of described channel partition is 0.1 ~ 0.4mm.
6. the preparation method of the channel partition of the board-like dew point indirect evaporative cooler of the adverse current of a built-in flow dividing structure, it is characterized in that, adopt planar electrostatic flocking technique to carry out flocking process in the one side of plastic base, thus obtain simultaneously for hydrophobic surface another side is the channel partition of hydrophilic surface.
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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CN105805937A (en) * 2016-04-28 2016-07-27 句容市恒盛电子水表厂 Sliding way type boiler
CN105805930A (en) * 2016-04-28 2016-07-27 句容市恒盛电子水表厂 Distributed boiler
CN105805940A (en) * 2016-04-28 2016-07-27 句容市恒盛电子水表厂 Multi-channel type boiler
WO2018051156A1 (en) * 2016-09-19 2018-03-22 Aurae Technologies Limited Method of two stage indirect evaporation cooling for building and devices
CN108010676A (en) * 2017-11-13 2018-05-08 国网山东省电力公司莱州市供电公司 A kind of main transformer physical cooling method

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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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CN104864530A (en) * 2015-05-20 2015-08-26 陈明标 Precooling convection type evaporative refrigeration core unit
CN105157302A (en) * 2015-10-21 2015-12-16 杨忠桃 Efficient cooling device for petroleum well drill
CN105805937A (en) * 2016-04-28 2016-07-27 句容市恒盛电子水表厂 Sliding way type boiler
CN105805930A (en) * 2016-04-28 2016-07-27 句容市恒盛电子水表厂 Distributed boiler
CN105805940A (en) * 2016-04-28 2016-07-27 句容市恒盛电子水表厂 Multi-channel type boiler
CN105805930B (en) * 2016-04-28 2018-11-23 句容市恒盛电子水表厂 A kind of distributing boiler
CN105805939A (en) * 2016-04-29 2016-07-27 句容市恒盛电子水表厂 Impact type boiler
CN105805939B (en) * 2016-04-29 2018-11-20 句容市恒盛电子水表厂 A kind of impacting type boiler
WO2018051156A1 (en) * 2016-09-19 2018-03-22 Aurae Technologies Limited Method of two stage indirect evaporation cooling for building and devices
CN108010676A (en) * 2017-11-13 2018-05-08 国网山东省电力公司莱州市供电公司 A kind of main transformer physical cooling method

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