CN104197588A - Surface air cooler with wet films of composite structures - Google Patents

Surface air cooler with wet films of composite structures Download PDF

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Publication number
CN104197588A
CN104197588A CN201410469007.8A CN201410469007A CN104197588A CN 104197588 A CN104197588 A CN 104197588A CN 201410469007 A CN201410469007 A CN 201410469007A CN 104197588 A CN104197588 A CN 104197588A
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wet film
fin
water
film layer
air
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CN104197588B (en
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童军
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童军
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Priority to CN201410152648.0A priority patent/CN103940154A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/42Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers

Abstract

A surface air cooler with wet films of composite structures comprises a plurality of fins and a plurality of heat exchange pipes. The fins are arranged in parallel and at intervals, and the heat exchange pipes penetrate the fins, a wet film layer is sandwiched between each two fins to form a 'sandwich' structure, each wet film layer extends outwards to form at least one water absorbing tape used for leading water into the wet film layer or a water dripper is arranged on the upper portions of the wet film layers. The surface air cooler is simple in structure, low in cost, free of power and high in reliability; on one hand, cooling efficiency and COP (coefficient of performance) of condensate water for the surface air cooler of an air conditioner can be increased, discharge pressure during cooling of the air conditioner is reduced, COP during cooling of a common air-cooling conditioner is increased, and energy is saved by more than 20%; on the other hand, matched with antifreezing solution, the surface air cooler of the air conditioner does not frost during heating in winter.

Description

A kind of composite construction wet film surface cooler
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of composite construction wet film surface cooler.
Background technology
The type of cooling of existing air conditioner is divided into two kinds of air-cooled and water-cooleds.
Air-cooled air-conditioning is by outdoor radiator coil tube and blower fan, the heat directly producing in the time that air distributes refrigeration.Conventionally radiator coil tube is called to surface air cooler (abbreviation surface cooler), its structure is many group copper pipe arrays, and in copper pipe, flowing has cold-producing medium, copper pipe to rise outward to connect intensive radiation aluminium fin.Air-cooled air-conditioning can freeze summer, winter heating, realizes dual-use.While refrigeration, when surface cooler is used for dispelling the heat, be generally called condenser summer; When winter heating, when surface cooler is used for absorbing airborne heat, surface cooler is generally called evaporimeter.Be used for family expenses, small-sized or large-scale source pump.Owing to being to drive air by blower fan completely, allow cold-producing medium in air conditioner at surface cooler appearance and air heat-exchange, make refrigerating efficiency generally only have COP3.2 left and right.
Water-cooling air conditioner has increased cooling water system, air conditioner refrigerant elder generation and cooling water heat exchange, then dispel the heat to air by cooling tower.Water-cooling air conditioner mostly generally is single refrigeration air-conditioner unit in large-scale summer (screw rod, centrifugal chiller).Water cooled air conditioners unit COP is generally more than 5.0, but the volume of water-cooling air conditioner is large, and cost is high, complex structure.
Existing surface cooler structure is made up of ribbed pipe (air conditioner generally adopts copper tube), header and backplate, in ribbed pipe, flows and has cold (heat) cold-producing medium, and ribbed pipe has fin outward, closely cooperates by ribbed pipe expand tube and fin.Wherein ribbed pipe and fin are main heat exchanger components.Common fin configuration has around chip, the slot type that wrinkles, rolls chip and nest plate type etc.The heat-transfer area version of surface cooler has board-like (as spiral plate type, shell-and-plate, corrugated plate dst, plate-fin etc.) and tubular type (as shell and tube, bushing type, coiled, fin tube type etc.), what air conditioner was conventional is fin tube type, can be divided into flat fin, corrugated fin, calking type fin and louvered fin, to ensure to carry out the perturbation of air heat exchange, make it under turbulent condition, improve significantly heat exchange efficiency.
For making air-cooled air-conditioning more energy-conservation, mainly improve at present the energy loss-rate COP of air-cooled air-conditioning both at home and abroad by reclaiming condensed water or running water spray (mist) two kinds of modes.The condensed water that during by recovery air conditioner refrigerating, indoor set produces, near (or) directly evaporation on surface cooler by condensed water (or running water) in different ways, the latent heat that utilizes evaporation of water to absorb, the extra radiating effect that strengthens air conditioner watch cooling, the pressure at expulsion of compressor while reducing air conditioner refrigerating, thereby the energy consumption of reduction air-conditioning.But the condensed water of air-conditioning is generally all directly drained at present, does not recycle.
In prior art, mainly contain following several mode about the utilization of condensed water:
(1) adopt ultrasonic atomizer after condensate water atomizing, to blow and to be sprinkled upon surface cooler surface with blower fan.But ultrasonic atomizer very easily damages, cost is high, is difficult to practical.
(2) adopt Miniature centrifugal water pump that condensed water pressurizing atomizing is sprayed to surface cooler surface.But water pump high-speed cruising, in the desultory situation of condensed water, water pump very easily damages, and is difficult to practical.
(3) adopt and will after condensation water collection, trickle on surface cooler in gravity flow mode.But condensed water effective rate of utilization is low, trickling at random on surface cooler, the problem of dripping does not overcome.
(4) increase a Water submersible evaporator.An additional evaporative condenser, but this mode makes air-conditioning system complicated, and fault rate increases, the reliability of loss air conditioner.
(5) adopt impeller of blower to throw away condensed water.But this structure condensed water effective rate of utilization is low, be only applicable to wall-through type air conditioner, and in existing domestic air conditioning product, 95% is all separate type air conditioner.
(6) condensed water is concentrated, central water uses.As rinse pouring etc., but this mode can not play energy-saving effect.
(7) permeable membrane humidifier.Multilayer water lamella, they are surrounded by hydrophobic microporous teflon membran, form one deck tunic bag.Between water lamella, be lined with corrugated plating, form air flue, when air flows through between water lamella, because the water vapor pressure of moisture-inhibiting film water one side is greater than the partial pressure of water vapor of air side, water vapour just enters air side from water side by the fenestra of moisture permeable membrane under the effect of its pressure differential.As " utilization of room air conditioner condensed water and energy-conservation " literary composition of " HVAC " the 2nd phase the 33rd curly hair table in 2003.But this mode can increase the wind resistance of air conditioner condensation blower fan, reduce the complete machine coefficient of heat transfer, complex structure and cost are high.
(8) in air-conditioner, set up a little tank, first make condensed water be flowed in tank, then utilize Micropump to pump condensed water in atomizer, atomizer is sent the aqueous vapor after atomization to indoor, completes indoor humidification; Atomizer will be arranged on air delivery duct place, condensation flow to conversion complete by two-way electromagnetic valve." domestic air conditioner without drip can damping technical research " literary composition of delivering as " instrumental technique and sensor " the 10th phase in 2005.But this mode needs a set of numerous and jumbled sensor protection system, and overall cost is high, make the cost of domestic air conditioning be difficult to digestion.
(9) adopt the scheme that adds micro pump and the copper pipe trickle combination of hole, 0.5mm × 64, effect is the most obvious, can improve Energy Efficiency Ratio EER and reach 8.38%, and refrigerating capacity improves 1.58%, and the reduction of air-conditioning power reaches 6.29%." small-sized split-type air conditioner utilization of condensed water and energy-conservation experimental exploring and research " literary composition of delivering as " Refrigeration & Air-Conditioning " the 2nd phase in 2006.But this mode cannot reliability service.
In sum, although existing condensed water utilize mode a lot, remain in following defect: or cost is high, or poor reliability, or complex structure, or effective rate of utilization is low.This is also that said method is announced during the last ten years, and commercially available air conditioner does not all arrange the reason of condensation using device.
In addition, also has the directly technology to surface cooler spray running water, air-conditioner cooling spraying system as disclosed in CN 201731590U.Its volume increase is larger, and water consumption is large, needs special water pump, and cost is high, complex structure, at present also large-scale popularization not.
Also adopt capillary principle to strengthen heat radiation, as disclosed in the CN 202281425U condenser with capillary cooling device, but there is following problem in it:
First, capillary structure is directly arranged in heat dissipation metal fin (wing) sheet surface, large-area, moistening capillary structure directly contacts with air, allows moisture directly in capillary structure surface evaporation, but because condenser is arranged on outdoor, when blower fan drives a large amount of air to blow to capillary structure surface, dust in outdoor air can progressively be adsorbed on moistening capillary structure surface, very easily stops up heat dissipation channel, not only can not increase radiating effect and also can seriously reduce on the contrary heat dispersion; And be also difficult to wash after the capillary structure of porous absorption fine dust, difficult in maintenance when actual use;
Second, because the surface of metal fin (wing) sheet one side is paved with by fibrous capillary structure substantially, once if lack of water in use, just just as metal fin (wing) the sheet upper cover at high temperature the heat insulation cotton-wadded quilt of one deck, this can reduce the radiating effect of original fin (wing) sheet equally greatly, when serious, can damage compressor of air conditioner;
The 3rd, its capillary water absorption layer and tank are located at the below of heat radiating fin (wing) sheet, water in tank will upwards permeate under capillary force, certainly will be affected by gravity, moisture is difficult to reach the upper end of capillary structure at short notice, set up the parts such as water pipe, magnetic valve of prewetting so have to, make structure complicated, functional reliability reduces; Meanwhile, the dirt forming after the water suction of outdoor dust can be along capillary water absorption laminar flow the tank to below, need not be how long, dirt will fill up tank, makes whole capillary water absorption thrashing;
The 4th, because capillary structure is to be directly arranged in metal fin (wing) sheet surface, and capillary structure is loose fibre structure, different from the physical property of metal fin (wing) sheet, intensity that the two contact coordinates will be subject to outdoor long-term high temperature, high humidity, vibrations, wind, particularly test when high pressure water cleaning, large-area capillary fiber is easily damaged, easy and metal fin (wing) sheet is peeled off, and occurs fit clearance, and service life and radiating effect all can reduce;
The 5th, in this Patent design, only consider how to control output, do not consider the calcium ions and magnesium ions problem in water, although can strengthen at short notice the radiating effect of condenser, but as long as operation time several months, condenser fin (wing) sheet of high temperature will make the calcium ions and magnesium ions in water form a large amount of hard incrustation scales on capillary structure surface, causes radiating effect to reduce gradually, and extremely difficult cleaning; Meanwhile, be to control the output of running water, it has designed the control system of a set of complexity, as being provided with water level sensor in tank, water inlet pipe has water check valve, the magnetic valve etc. of controlling the water yield, causes functional reliability to reduce;
The 6th, although, it can strengthen the radiating effect of air-conditioning unit room external condenser in the time that summer air-conditioning freezes, but from the refrigeration of air conditioner, heating principle can know, when the condenser that is positioned at outdoor high temperature heat radiation summer has arrived winter heating, become the evaporimeter of low temperature heat absorption, airborne steam a large amount of condensed water that can freeze-out on metal fin (wing) sheet of low temperature, so the fin of conventional air-conditioning (wing) sheet is all made smooth surface, be beneficial to condensed water dirty rapidly, and now, if large area capillary fiber structure is set on smooth fin (wing) sheet, on the one hand can reduce condensed water and leave the speed of metal fin (wing) sheet, on the other hand, the capillary structure that is filled condensed water can seriously hinder the heat transfer of air and metal fin (wing) sheet, cause condensed water quick freezing, progressively between fin (wing) sheet, form large area freezing, stop up Air Flow, form vicious circle, air-conditioning cannot normally be moved at all, and, now also capillary structure can not be removed from fin (wing) sheet, its practicality is not as good as the patent of direct spray fin above, and this point is basic that this patent cannot be practical.
Summary of the invention
Technical problem to be solved by this invention is: the above-mentioned deficiency that overcomes prior art, for air conditioner provides a kind of energy-conservation, cost is low, unpowered, reliability is high, composite construction wet film surface cooler simple in structure, can reclaim air conditioner condensate water completely, can improve radiating efficiency and the Energy Efficiency Ratio of air conditioner watch cooling, reduce pressure at expulsion when air conditioner refrigeration, and frost-free when air conditioner watch cooling is heated in the winter time.
The technical scheme that technical solution problem of the present invention adopts is: a kind of composite construction wet film surface cooler comprises multiple fins that parallel interval is arranged and connects multiple heat exchanger tubes of described fin, the surface of described fin is provided with wet film layer, described wet film layer extends outward at least one for water being introduced into the water sucting belt of described wet film layer, or is provided with dripping device on the top of described wet film layer.
Further, described wet film layer is located between two adjacent fins, forms " sandwich " structure closely.Like this, wet film does not directly contact with air large area, avoids airborne dust to be directly adsorbed on moistening wet film surface, stops up fin, affects radiating effect, even if a small amount of dust is adsorbed on smooth fin, is also convenient to clean and maintenance; Thereby make wet film layer and fin close contact, allow moisture nature, infiltration uniformly to the whole surface of each fin, without any power.
Further, described water sucting belt is arranged at side or the top of wet film layer, to ensure that water can not ooze and can be covered with wet film layer from wet film layer.
Further, described wet film layer is located at the both sides of fin.
Further, the surface of described fin offers some calkings, punching or shutter.Preferably shutter.Calking, punching or the shutter of offering constantly evaporates the moisture in wet film layer, is similar at fin surface and is provided with numerous trickle cooling tower.
Further, the wet film layer of described fin surface is full wafer and distributes, so that moisture infiltrates the whole surface to each fin fast.Wet film layer can be also local setting, when wet film layer is part while arranging, can be to be strip to distribute or net distribution.
Further, in surface cooler, the surface of all fins or part fin is provided with wet film layer, to ensure that moisture can infiltrate the whole surface to all fins.
Further, described fin is made up of metallic material of aluminum, copper or stainless steel.
Further, described wet film layer and water sucting belt are made up of superabsorbent fibrous material, or are made up of the same material metal material that merging mutually with fin, or are superabsorbent fibrous material, are outerly mixed for the same material metal material merging mutually with fin by internal layer.Preferably superabsorbent fibrous material, to ensure that the moisture in wet film layer fast, evenly diffuses to fin surface.Wherein water-absorption fiber can be fibrous paper, glass fibre etc., has very strong hydrophily, and acid-alkali-corrosive-resisting, UV resistant are not aging, and under fiber capillarity, water sucting belt can infiltrate the water in catch basin to wet film layer naturally.
Further, be also provided with and be positioned at fin outside, the catch basin supplying water to water sucting belt.
Further, in described dripping device, be provided with and be positioned at the supply flume of fin top to the weep pipe water supply use of dripping device, the condensed water or the rainwater that produce for storing indoor apparatus of air conditioner.
Further, for preventing the incrustation scale in running water, at the water inlet place of catch basin or supply flume, ion interchange unit can be set, process the calcium ions and magnesium ions in running water; Also can rain collector be set at the water inlet place of catch basin or supply flume, obtain the few soft water of calcium ions and magnesium ions; In addition, in the time that winter air-conditioning heats, also can in catch basin or supply flume, add the anti-icing fluid of finite concentration, guarantee fin frost-free..
operation principle of the present invention:
Based on the bionic principle of moisture movement in natural plant body, on the simple dry type air heat radiation basis of common surface cooler, by the present invention, dexterously wet film layer and fin are merged, increase water and on surface cooler, directly evaporate link, sensible heat transfer while not only having utilized Air Flow while making air conditioner heat radiation, the latent heat that also makes full use of water evaporative phase-change (liquid-gas) discharges.The present invention specifically utilizes the moisture rising power that constantly evaporation produces after surface cooler heating in fiber capillary force and wet film layer, be similar to the motion principle of moisture in plant, allow water infiltrate the whole surface to each fin naturally, evenly, fast, do not need any power; Offer some calkings, punching or shutter at fin surface simultaneously, can allow the interior moisture of wet film layer constantly evaporate, be similar at fin surface and have numerous trickle cooling tower, thereby reach radiating effect and the Energy Efficiency Ratio close with adopting cooling tower+water-cooling air conditioner.
Preferred version of the present invention: in the middle of the metal fin of adjacent two is closely pressed in water suction wet film layer, form compound " sandwich " structure, moisture in wet film is that some calkings, punching or the shutter by opening on metal fin evaporates, wet film does not directly contact with air large area, avoid the dust of air to be directly adsorbed on moistening wet film surface, stop up fin, affect radiating effect, even if there is a small amount of dust to be adsorbed on fin, but its smooth metal surface is also beneficial to dust granule to come off, the clean and maintenance of being more convenient for.And because wet film layer is closely pressed in the middle of two metal fins, its service life is also almost the same with fin, while being also able to stand cleaning, water washes away.
In addition, the compound wet film unit of each " sandwich " structure, its heat exchange area is still equal to two radiating surfaces of piece of metal fin, can accomplish like this to allow the area of dissipation of compound wet film surface cooler still identical with the area of dissipation of former conventional surface cooler.So,, even compound wet film lack of water, surface cooler still can utilize fin outer surface and air directly to dispel the heat, and does not rely on wet film layer, air conditioner is normally moved, without any risk.
Preferred version of the present invention is arranged at water sucting belt the side of wet film layer: under the effect of capillary principle, the flow direction of moisture in wet film, divide two-way naturally osmotic up and down, by adjusting the relative altitude of catch basin and wet film layer, can allow moisture rapidly, to the upper and lower position of wet film layer, (height upwards permeating can reach the top of wet film layer to uniformly penetrating, and just in time can with Action of Gravity Field balance, when infiltration downwards, gravity can accelerate the infiltration of water on the contrary), do not need other auxiliary (water pipe of prewetting) to install completely; In addition, in the time that reality is used, the dust on fin, or clean time muddy water can naturally down come off along fin, flow away, can not enter side catch basin.
In addition, in the system of simplifying in the present invention, can also directly allow condensed water pass through the dripping device at wet film top, evenly drip on wet film, make structure simpler.
Innovation of the present invention is also: compound wet film surface cooler freezed and does the condenser use of dispelling the heat in summer, can make the evaporimeter absorbing heat and use when winter heating.Not only can strengthen in summer the heat sinking function of condenser; And can be also in the winter time when air-conditioning heating, by adding anti-icing fluid holding in (confession) tank, stop fin frosting, strengthen heating effect in winter, fin frosting while solving current air-conditioning winter heating, the common fault that heating efficiency is low.
Another large feature of the present invention is that, owing to adopting " sandwich " structure, when winter heating, air condensed water, in the metal fin surface condensation of " sandwich " composite construction both sides, directly falls, and is difficult for contacting with the anti-icing fluid in wet film.When for large-scale air source heat pump air-conditioner unit, the heat source tower (as closed type heat source tower) mixing completely with air with respect to other employing anti-icing fluid or the air-conditioning system of energy tower, can greatly reduce the quantity of anti-icing fluid, save operating cost, and make air-conditioning system simpler.
And owing to adopting " sandwich " structure, its appearance is completely the same with conventional surface cooler, is all smooth surface, does not affect the heat exchange of outdoor air and fin at all, and the eliminating of condensed water, and heat exchange area also can accomplish to be equal to completely conventional surface cooler.Even if therefore heat in the winter time and do not use anti-icing fluid, also can normally move.
Finally, the required water of wet film and tank in the present invention, the condensed water that while mainly taking from refrigeration, evaporimeter produces, makes air conditioner not only power saving but also water-saving like this; And not calcic, magnesium mineral matter of condensed water, can be at fin surface scaling; On the other hand, only have operation of air conditioner just to have condensed water, the air conditioner condensation water yield has corresponding relation with the heat dissipation capacity of air-conditioning again, can ensure that by suitable coupling condensed water is evaporated completely, there will not be excessive water outflow, so in system, there is no needn't arrange complicated water level, water flow control system yet, very succinct.From the discharge angle of condensed water, or a kind of air-conditioning of evaporated condensation water, remove the outer discharge pipe of condensed water from and install, the installing and using of more convenient air-conditioning.
In a word, the present invention not only can strengthen in summer the heat radiation of air-conditioning, energy-conservation more than 20%, and can solve winter air-conditioning frosting problem, improves heating effect, and simple in structure, safe and reliable, accomplishes real environmental protection, water saving, energy-conservation; Meanwhile, no matter be to freeze or winter heating summer, even if the wet film layer in surface cooler does not come into operation, also can ensure that air-conditioning normally moves.
Brief description of the drawings
Fig. 1 is the perspective view of the embodiment of the present invention;
Fig. 2 is planar structure schematic diagram embodiment illustrated in fig. 1;
Fig. 3 is the structure for amplifying schematic diagram of fin embodiment illustrated in fig. 1;
Fig. 4 is the structure for amplifying schematic diagram of wet film layer embodiment illustrated in fig. 1;
Fig. 5 is the structural representation of embodiment of the present invention catch basin;
Fig. 6 is wet film layer top dripping device schematic diagram;
Fig. 7 is dripping device planar structure schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiment 1
With reference to Fig. 1 and Fig. 2, the composite construction wet film surface cooler that the present embodiment provides, comprises multiple fins 1 that parallel interval is arranged and the multiple heat exchanger tubes 2 that connect fin 1, and heat exchanger tube 2 contains mobile cold-producing medium; Between two adjacent fins 1, be suppressed with wet film layer 3, form " sandwich " construction unit; The appearance and size of wet film layer 3 and fin 1 are basically identical, make fin 1 by wet film layer 3 cover completely, close contact, ensure moisture content nature, infiltrate the whole surface to each fin 1 evenly, fast, without any power.
With reference to Fig. 4 and Fig. 5, the way of supplying water of wet film layer 3 adopts water sucting belt 4 to add the scheme of catch basin 5, the middle downside of wet film layer 3 extends outward one for water being introduced into the water sucting belt 4 of wet film layer 3, ensure that air-conditioning is not in the situation that starting shooting, water can not ooze and can be covered with wet film layer 3 from wet film layer 3.Wherein, fin 1 is made up of metallic material of aluminum, and anticorrosion and hydrophilic membrane processing can be carried out in the surface of metallic material of aluminum, can be corrosion-resistant; Wet film layer 3 and water sucting belt 4 are made by composite glass fiber.
With reference to Fig. 3, the surface of fin 1 offers some shutters 11, and shutter 11 is multiple row parallel interval arranges, and shutter 11 is provided with between any two can be through the first perforation 21 of heat exchanger tube 2.The moisture making in wet film layer 3 of offering of shutter 11 constantly evaporates, and is similar on fin 1 surface and is provided with numerous trickle cooling tower.
With reference to Fig. 4, that wet film layer 3 is provided with is corresponding with the first perforation 21, can be through the second perforation 22 of heat exchanger tube 2.
With reference to Fig. 5, composite construction wet film surface cooler also comprises the catch basin 5 of being located at fin 1 middle and lower part, outside, the condensed water producing for collecting indoor apparatus of air conditioner.The feature of condensed water is: not calcic, magnesium mineral matter, and can be at fin surface scaling, if consumption increase can supplement ion exchange resin exchange pure water.
In the time being applied to large-size air conditioning unit, can, according to the consumption of water, in the time reclaiming condensed water deficiency, can supplement running water to catch basin 5.For preventing the incrustation scale in running water, also can ion interchange unit be set water inlet 51 places, process the calcium ions and magnesium ions in running water.
In addition, for using water wisely, also can utilize rainwater, by water inlet 51 places at catch basin 5, rain collector is set, to obtain the few soft water of calcium ions and magnesium ions.
The operation principle of the present embodiment is:
(1) during for air-conditioning unit, taking summer refrigeration as example:
All condensed waters are collected to catch basin 5, and water sucting belt 4 naturally infiltrates the condensed water in catch basin 5 to the wet film layer 3 on fin 1 under the effect of fiber capillary, and the moisture content of wet film layer 3 evenly diffuses to fin 1 surface again.Because heat exchanger tube 2 contains the cold-producing medium of high temperature, carry out water evaporation by heating adsorption at the moisture content on fin 1 surface, absorb the condensation heat of a large amount of air-conditionings, significantly improve the Energy Efficiency Ratio of common air cooled heat pump, and reach and adopt identical radiating effect and the Energy Efficiency Ratio of cooling tower+water-cooling air conditioner, thereby the COP during by common air cooling air conditioner refrigeration is increased to 4.1 by 3.2, energy-conservation more than 20%.
(2) during for air-conditioning unit, taking winter heating as example:
In catch basin 5, add certain density anti-icing fluid, by water sucting belt 4 and wet film layer 3, anti-icing fluid is infiltrated to fin 1 surface successively, can ensure fin 1 frost-free; The most of meeting of simultaneously airborne condensed water is along fin 1, naturally dirty under Action of Gravity Field, can not have much impact to the concentration of wet film layer 3 interior anti-icing fluid, thereby reduce the needed antifreeze liquid measure of whole system.
Wherein, anti-icing fluid can be glycerine, CaCl 2, urea etc., and corrosion-free to fin 1.
In a word, the present embodiment is energy-conservation, and cost is low, unpowered, and reliability is high, simple in structure, on the one hand can improve radiating efficiency and Energy Efficiency Ratio, the pressure at expulsion while reducing air conditioner refrigeration, frost-free can ensure on the other hand that air conditioner watch cooling heats in the winter time time.
The present embodiment not only can be used for domestic air conditioner, and small commercial air-conditioning unit, also can be used for Large Central Air Conditioning System unit.
When for domestic air conditioning, can completely the indoor condensed water in summer be evaporated by composite construction wet film surface cooler, be a kind of high-efficiency air-condition of evaporated condensation water;
When for Large Central Air Conditioning System, simpler than existing water chilling unit system, higher than existing Air-Cooled Heat Pump Unit Energy Efficiency Ratio; When adopting sandwich structure, while heating in the winter time, air condensed water condenses at fin surface, directly fall, do not contact with the anti-icing fluid in wet film, the heat source tower mixing completely with air with respect to anti-icing fluid or the air-conditioning system of energy tower, can greatly reduce the quantity of the anti-icing fluid adding, and make system simpler.
Embodiment 2
Be with the difference of embodiment 1, wet film layer 3 is strip and is evenly distributed on a side of each fin 1, and the wet film layer 3 of all fins 1 can be arranged to the same side, also can be arranged to not homonymy.
Embodiment 3
Be with the difference of embodiment 1, in a part of fin 1, between two adjacent fins 1, be suppressed with wet film layer 3, form " sandwich " structure; In another part fin 1, a side pressure of each fin 1 is shaped with wet film layer 3.
Embodiment 4
Be with the difference of embodiment 1, in a part of fin 1, the appearance and size of wet film layer 3 and each fin 1 size are basically identical, and fin 1 is covered completely by wet film layer 3; In another part fin 1, wet film layer 3 is strip and is evenly distributed on fin 1.
Embodiment 5
Be with the difference of embodiment 1, the surface of fin 1 offers some calkings, and calking is multiple row parallel interval and arranges.
Embodiment 6
Be with the difference of embodiment 1, fin 1, wet film layer 3 and water sucting belt 4 are made by metallic material of aluminum.
Embodiment 7
Be with the difference of embodiment 1, fin 1, wet film layer 3 are made by metal material of copper, and water sucting belt 4 is made up of composite glass fiber material.
Embodiment 8
Be with the difference of embodiment 1, fin 1 is made up of metal material stainless steel, and the internal layer of wet film layer 3 and water sucting belt 4 is composite glass fiber material, and skin is all coated with metal material stainless steel.
Embodiment 9
Be with the difference of embodiment 1, wet film layer 1 extends outward 4, one of two water sucting belts at top, and one in middle and lower part, and 5, one catch basins 5 of two catch basins are set are located at fin 1 exterior bottom, is located between two water sucting belts 4 for one.
Embodiment 10
Be with the difference of embodiment 1:
With reference to Fig. 6 and Fig. 7, the way of supplying water of wet film layer 3 adopts the scheme of succinct dripping device 6, and dripping device is located at the top of wet film layer 3.Described dripping device 6 is made up of supply flume 61, weep pipe 62, and weep pipe 62 one end are stretched in supply flume 61, and wherein weep pipe 62 bottoms have weeper 63, the quantity of weeper 63 and position and corresponding with wet film layer 3.Air conditioner condensate water enters into supply flume 61 by water inlet 51, by weep pipe 62, drops onto uniformly wet film layer 3 from weeper 63.
In the time being applied to large-size air conditioning unit, can, according to the consumption of water, in the time reclaiming condensed water deficiency, can supplement running water to supply flume 61.For preventing the incrustation scale in running water, also can ion interchange unit be set water inlet 51 places, process the calcium ions and magnesium ions in running water.
In addition, for using water wisely, also can utilize rainwater, by water inlet 51 places at supply flume 61, rain collector is set, to obtain the few soft water of calcium ions and magnesium ions.
The operation principle of the present embodiment is:
(1) during for air-conditioning unit, taking summer refrigeration as example:
Air conditioner condensate water enters into supply flume 61 by water inlet 51, by weep pipe 62, drops onto uniformly wet film layer 3 from weeper 63, and the moisture content of wet film layer 3 evenly diffuses to fin 1 surface again.Because heat exchanger tube 2 contains the cold-producing medium of high temperature, carry out water evaporation by heating adsorption at the moisture content on fin 1 surface, absorb the condensation heat of a large amount of air-conditionings, significantly improve the Energy Efficiency Ratio of common air cooled heat pump, and reach and adopt identical radiating effect and the Energy Efficiency Ratio of cooling tower+water-cooling air conditioner, thereby the COP during by common air cooling air conditioner refrigeration is increased to 4.1 by 3.2, energy-conservation more than 20%.
(2) during for air-conditioning unit, taking winter heating as example:
In supply flume 6, add certain density anti-icing fluid, by weeper 63 and wet film layer 3, anti-icing fluid is infiltrated to fin 1 surface successively, can ensure fin 1 frost-free; The most of meeting of simultaneously airborne condensed water is along fin 1, naturally dirty under Action of Gravity Field, can not have much impact to the concentration of wet film layer 3 interior anti-icing fluid, thereby reduce the needed antifreeze liquid measure of whole system.
Because the structure of composite construction wet film surface cooler in above-described embodiment 2 ~ embodiment 10 is common understandable per capita by explanatory note, so do not represent with other accompanying drawing again.
These are only the preferred embodiments of the present invention, be not limited to the present invention, obviously, those skilled in the art can carry out various changes, modification and not depart from the spirit and scope of the present invention the present invention.If to these amendments of the present invention with within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, all belong to protection scope of the present invention.

Claims (10)

1. a composite construction wet film surface cooler, comprise parallel interval multiple fins of arranging and the multiple heat exchanger tubes that connect described fin, it is characterized in that, the surface of described fin is provided with wet film layer, described wet film layer extends outward at least one for water being introduced into the water sucting belt of described wet film layer, or on the top of described wet film layer, dripping device is set.
2. composite construction wet film surface cooler according to claim 1, is characterized in that, described wet film layer is located between two adjacent fins, forms " sandwich " structure.
3. composite construction wet film surface cooler according to claim 1 and 2, is characterized in that, described water sucting belt is arranged at side or the top of wet film layer.
4. composite construction wet film surface cooler according to claim 1 and 2, is characterized in that, described wet film layer is located at the both sides of fin.
5. according to the composite construction wet film surface cooler one of claim 1 ~ 4 Suo Shu, it is characterized in that, the wet film layer of described fin surface is full wafer distribution, strip distributes or net distribution.
6. according to the composite construction wet film surface cooler one of claim 1 ~ 5 Suo Shu, it is characterized in that, in described surface cooler, the surface of all fins or part fin is provided with wet film layer.
7. according to the composite construction wet film surface cooler one of claim 1 ~ 6 Suo Shu, it is characterized in that, the surface of described fin offers some calkings, punching or shutter.
8. according to the composite construction wet film surface cooler one of claim 1 ~ 7 Suo Shu, it is characterized in that, described fin is made up of metallic material of aluminum, copper or stainless steel.
9. according to the composite construction wet film surface cooler one of claim 1 ~ 8 Suo Shu, it is characterized in that, described wet film layer and water sucting belt are made up of superabsorbent fibrous material, or made by the same material metal material merging mutually with fin, or be superabsorbent fibrous material, be outerly mixed for the same material metal material merging mutually with fin by internal layer.
10. according to the composite construction wet film surface cooler one of claim 1 ~ 9 Suo Shu, it is characterized in that, be also provided with and be positioned at fin outside, the catch basin supplying water to water sucting belt; Or in described dripping device, be provided with and be positioned at the supply flume of fin top to the weep pipe water supply use of dripping device.
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CN109812961A (en) * 2017-11-21 2019-05-28 上海奇谋能源技术开发有限公司 A kind of radiator for saving air conditioner energy consumption
CN110730592A (en) * 2019-09-30 2020-01-24 西安交通大学 Heat exchange device utilizing condensed water
CN110779197A (en) * 2019-11-25 2020-02-11 彭从文 Anti-drying air conditioner heat exchanger
CN112484247A (en) * 2020-10-26 2021-03-12 华帝股份有限公司 Kitchen air conditioner and condensate water treatment method thereof

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CN110213944A (en) * 2019-06-05 2019-09-06 湖南同能机电科技有限公司 A kind of water imbibition sheet metal, heat dissipating method and radiator

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015158186A1 (en) * 2014-04-17 2015-10-22 童军 Composite-structure wet-film surface air cooler
CN109812961A (en) * 2017-11-21 2019-05-28 上海奇谋能源技术开发有限公司 A kind of radiator for saving air conditioner energy consumption
CN110730592A (en) * 2019-09-30 2020-01-24 西安交通大学 Heat exchange device utilizing condensed water
CN110779197A (en) * 2019-11-25 2020-02-11 彭从文 Anti-drying air conditioner heat exchanger
CN110779197B (en) * 2019-11-25 2021-07-30 深圳市博一环境建设工程有限公司 Anti-drying air conditioner heat exchanger
CN112484247A (en) * 2020-10-26 2021-03-12 华帝股份有限公司 Kitchen air conditioner and condensate water treatment method thereof

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