CN101187486A - Corrugated plate type water evaporation and cooling type heat exchanging tampering device - Google Patents

Abstract

The invention relates to a corrugated plate water evaporative cooling type heat and mass exchanger, which is characterized in that the invention comprises a plurality of plastic sheets which are provided with twill corrugations, the adjacent plastic sheets are mutually alternately arranged according to the direction of the corrugation. The two sides of the plastic sheet are respectively bonded with supporting frames which are arranged on the two sides of the plastic sheet into a whole, and the top portion and the bottom portion of the plastic sheet are respectively bonded with a supporting flattop which is horizontally arranged on the top portion and the bottom portion of the plastic sheet into a whole. The invention can be widely applied to a cooling dehumidifying system of an air conditioner. The positive and negative of each layer of twill corrugated plastic medium are alternately bonded in the direction of the corrugation, which can not only exchange two different qualities of humid heat in two channels simultaneously, but also utilize heat exchange between the adjacent channels to cool down the temperature when in dehumidifying. The invention has good fluid distribution, the surface area S of the ratio of heat and mass exchange can achieve 350-700m2/m3, and the void ratio beta can achieve 90-95%. The invention can be widely applied in a new generation of air-conditioning systems which have the function of dehumidifying evaporating cooling, or evaporating and indirect evaporating cooling.

Description

A kind of corrugated plate type water evaporation and cooling type heat exchanging tampering device

Technical field

The present invention relates to a kind of heat exchanging tampering device, particularly about a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering device.

Background technology

People's widespread usage air-conditioning is as the main tool of conditioning at present, but air conditioning energy consumption is big, new wind is few, easy sick bacterium, cross-infection is serious, add indoor chemical industry ornament materials and volatilize various toxic gases, causing indoor air quality to worsen has become the focus that influences the physically and mentally healthy growing interest of resident.The water evaporation cooling technique is one of the most ancient type of cooling, takes away a large amount of latent heat during occurring in nature moisture adiabatic evaporation always, and this part latent heat can be converted by the sensible heat of air, thereby the temperature that reduces air self is prevented heatstroke and lower the temperature.Simple water evaporative cooling can only be applicable to the heated dry air environment, and under the warm condition, dehumidifying evaporative cooling at first will dehumidify humid air, becomes dry air, and then prevents heatstroke and lower the temperature by water evaporative cooling.

The method of general air dewetting has multiple, solution dehumidification wherein, and can utilize low grade heat energy actified solution hygroscopic agent is a kind of green, energy-conservation dehumidification mode.Heat exchanging tampering device is the transpiration-cooled core component of dehumidifying, and the heat exchanging tampering mode of solution dehumidification and water evaporation cooling technique has at present: heat insulation-type, internal water cooling type, dull and stereotyped cross flow type and corrugated plate dst water cooling type etc. are several.Wherein corrugated plate dst water cooling type is that metallic plate is bent into big ripple in the horizontal direction, vertical direction forms ripplet, dehumidifying liquid with handle that air dehumidifies at big wavy channel up and down, cooling water is taken away the latent heat that produces except that wet channel by the ripplet passage of horizontal direction, this kind method compact conformation, efficient are also higher, but have that metal material is not hydrophilic, price is expensive, corrosion-resistant, be not easy to problem such as the top-secret envelope of channel spacing.

Summary of the invention

At the problems referred to above, the purpose of this invention is to provide a kind of heat exchanging tampering efficient height, corrosion-resistant, high temperature resistant, cheap corrugated plate type water evaporation and cooling type heat exchanging tampering device.

For achieving the above object, the present invention takes following technical scheme: a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering device, it comprises some plastic sheets with oblique ripple, adjacent described plastic sheet is pressed the interlaced setting of ripple direction, the both sides of each described plastic sheet are bonded to one with the carriage that is arranged on both sides respectively, and the top of each described plastic sheet and bottom are bonded to one with the horizontally disposed support flat-top that is arranged on its top and bottom respectively.

With described support flat-top is interface, left side at described support flat-top, passage between described plastic sheet of odd number layer and the described plastic sheet of its rear adjacent even numbers layer connects, form a upper left odd numbers passage to the bottom right, be bonded to one and stick with glue agent bottom the left side top of the described plastic sheet of even numbers layer and its rear adjacent odd number layer plastic sheet and the right side, make this passage sealing; On described support flat-top right side, passage between described plastic sheet of even numbers layer and the described plastic sheet of its rear adjacent odd number layer connects, form a upper right even numbers passage to the lower-left, be bonded to one and the top, right side of the described plastic sheet of odd number layer and its rear adjacent even numbers layer plastic sheet and left bottom are sticked with glue agent, make this passage sealing.

The passage that described each plastic sheet is formed, passage at interval is integral the top and the bottom of the described support flat-top of this passage both sides with described adhesive bonds.

25 °～75 ° at the ripple oblique angle that oblique ripple and described support flat-top form on the described plastic sheet.

30 °～60 ° at the ripple oblique angle that oblique ripple and described support flat-top form on the described plastic sheet.

The wave height of described oblique ripple is 4～9mm.

The wave height of described oblique ripple is 5～7mm.

The wave space of described oblique ripple is 12～22mm.

The wave space of described oblique ripple is 16～18mm.

The material of described plastic sheet is one or more mixtures in polypropylene and modification kind metallocene polypropylene, high density polyethylene (HDPE) and haloflex and metallocene PE, anti-high impact polystyrene, polytetrafluoroethylene (PTFE), polyethylene terephthalate, polyvinyl chloride and chliorinated polyvinyl chloride, the polyamide.

The thickness of described plastic sheet is 0.2～0.3mm, is preferable over 0.15～0.5mm scope.

The present invention is owing to take above technical scheme, it has the following advantages: 1, heat exchanging tampering device of the present invention adopts the material of oblique ripple chip plastic medium as corrugated plating, and is not only economical cheap, high temperature resistant, corrosion-resistant, the surface possess hydrophilic property, and be convenient to processing and fabricating.2, each layer oblique ripple sheet plastic medium among the present invention is pressed the positive and negative staggered bonding of ripple direction, and with one side closed, not only can carry out two kinds of damp and hot exchanges of independence of different nature of two passages simultaneously, but also can utilize the exchange heat of adjacency channel to take away heat, cooling when dehumidifying, and without compressor.3, fluid of the present invention distributes, and heat exchanging tampering specific area S can reach 350～700m²/ m³, voidage β can reach 90～95%.4, the heat-exchange fluid among the present invention has been strengthened turbulent-flow heat-exchanging obversion and interchannel indirect evaporation heat exchange in the passage up and down for connecting helical flow path, has reduced the air-flow pressure drop, has improved heat exchanging tampering efficient greatly.5, the present invention utilizes dense saline solution dehumidifying and the cooling of water indirect evaporation, and electric energy consumption is few, has improved the purpose of energy saving of system greatly.6, humiture of the present invention can be regulated control automatically, is applicable to any high temperature low humidity, middle temperature high humidity, hot and humid climatic environment.7, the present invention is to provide the 100% new wind that reaches the humiture comfort index of sterilizing, really realized green, energy-conservation, healthy through dehumidifying.8, contour structures of the present invention, size are unfixing, but any amount assembling, dismounting, therefore can carry out independent evaporative cooling, dehumidifying or dehumidifying evaporative cooling, but also several respects combination, function realizes convenient, can be widely used in the air-conditioning system of a new generation's dehumidifying evaporative cooling or evaporation and indirect evaporation cooling.

Description of drawings

Fig. 1 is a heat exchanging tampering device structural representation of the present invention

Fig. 2 is an oblique ripple chip plastics schematic diagram of the present invention

Fig. 3 is the adjacent plastic sheet of the present invention schematic diagram that is crisscross arranged

Fig. 4 is the local enlarged diagram of the oblique ripple on the plastic sheet of the present invention

Fig. 5 is the application schematic diagram of the present invention in the dehumidifying and cooling system

Fig. 6 is the wet variation diagram of air enthalpy that the present invention uses

The specific embodiment

Also in conjunction with the accompanying drawings the present invention is described in detail below by embodiment.

Embodiment one:

Shown in Fig. 1～3, heat exchanging tampering device 1 of the present invention comprises someplastic sheets 2 with oblique ripple, adjacentplastic sheet 2 is pressed the interlaced setting of ripple direction, for example: ground floorplastic sheet 2a is opposite with the ripple direction of second layerplastic sheet 2b, the ripple direction of three-layerplastic sheet 2c is identical with the ripple direction of ground floorplastic sheet 2a, so goes down.The both sides of eachplastic sheet 2 are bonded to one with the carriage 3 that is arranged on both sides respectively, the top of eachplastic sheet 2 and bottom are bonded to one with the support flat-top 4 that is arranged on top and bottom respectively, datum level when supporting flat-top 4 on the one hand as installation is on the other hand as interchannel interface.Supporting flat-top 4 left sides, passage between ground floorplastic sheet 2a and the second layerplastic sheet 2b is connected, form a upper left odd numbers passage X1 to the bottom right, and with the left side top of second layerplastic sheet 2b and three-layerplastic sheet 2c and bottom, right side with water-fast, corrosion-resistant, resistant to elevated temperatures adhesive bonds.Supporting flat-top 4 right sides, the top, right side of ground floorplastic sheet 2a andplastic sheet 2b for the second time and left bottom are sticked with glue agent to be bonded to, and the passage between second layerplastic sheet 2b and the three-layerplastic sheet 2c is connected, form a upper right even numbers passage X2 to the lower-left, so go down, form a plurality of upper left odd numbers passage X1 and the upper right even numbers passage X2 that are provided with at interval to the lower-left to the bottom right.

In the foregoing description one, what the mode that odd numbers passage X1 and even numbers passage X2 are provided with at interval can be used for that equidirectional passage carries out is the damp and hot exchange of character of the same race, what the other direction passage carried out is the damp and hot exchange of another kind of character, and two interchannels carry out heat exchange by wall.

Embodiment two:

Present embodiment is that all only to keep same direction passage between every two layers ofplastic sheet 2 unimpeded, such as: odd numbers passage or even numbers passage connect, and seal another even numbers passage or odd numbers passage, can carry out the exchange of character of the same race like this in passage of the same race.

Embodiment three:

Present embodiment is all passages between every two layers ofplastic sheet 2 all to be kept unimpeded, and promptly odd numbers passage and binary channels are merged into a passage, equally also are the exchanges of carrying out character of the same race in passage of the same race.

As Fig. 2, shown in Figure 4, in the various embodiments described above, the ripple oblique angle α of oblique ripple is the angle that supports flat-top 4 and oblique ripple on theplastic sheet 2, if α is excessive at the ripple oblique angle, the fast but skewness of current, the ripple oblique angle is too small, current have choked flow slowly, best angle is to make water form a kind of thin liquid film onplastic sheet 2 surface, so ripple oblique angle α is generally 25 °～75 °, and optimum range is at 30 °～60 °.The wave height h of oblique ripple is generally 4～9mm, and optimum range is at 5～7mm, if wave height h is too low, though heat exchange area becomes greatly, heat exchanger effectiveness is also high, but drag losses can be excessive.The wave space b of oblique ripple is generally 12～22mm, and optimum range is at 16～18mm, if wave space b is excessive, and poor structure rigidity, wave space is too small, and drag losses will bebig.Plastic sheet 2 as corrugated sheet adopts polypropylene material, and thickness δ is generally 0.15～0.5mm, and optimum range is at 0.2～0.3mm, and sheet material is too thick can to influence heat-transfer effect.

In the various embodiments described above, each needs the position of bonding, except that adopting adhesive bonds, can also adopt ultrasonic bonding.

Embodiment four:

As Fig. 1, shown in Figure 5, present embodiment is that heat exchanging tampering device 1 is applied in the dehumidifying evaporative cooling system of hot and humid air, two heat exchanging tampering device 1a, 1b wherein adopt the frame mode among the embodiment one, promptly be divided into odd numbers passage X1 and even numbers passage X2, the heat exchangingtampering device 1c of topmost adopts the frame mode of embodiment three, and promptly all passages all connect.

During operation, outdoor high temperature highly humid air C1 bottom from the first heat exchanging tampering device 1a under the effect ofblower fan 5 is blown into simultaneously along two passage X1, X2; By corrosion-resistant water pump 6 lithium chloride or calcium chloride concentrated solution (dense saline solution 7) are extracted out from concentrated solution case 8 simultaneously, sprayed into, be back to liquid-return box 9 from passage X1 bottom from the passage X1 top of heat exchanging tampering device 1a; Other has one roadcold water 10 to extract fromstorage tank 12 bywater pump 11, sprays into from the passage X2 top of heat exchanging tampering device 1a, is back tostorage tank 12 bottom passage X2.Like this, in passage X1,dense saline solution 7 carries out the adverse current dehumidifying with outdoor air C1, aqueous vapor among the outdoor air C1 is absorbed, make the outdoor air C1 in the passage X1 become the high temperature drying air, the degree of drying of air is regulated by the concentration ofdense saline solution 7, anddense saline solution 7 also has the dedusting bactericidal action simultaneously.In passage X2, cold water 9 carries out the countercurrent evaporation cooling with outdoor air C1, makes the outdoor air C1 in the passage X2 become the low temperature humid air; Simultaneously, because it is isolated mutually between two passage X1, the X2,plastic sheet 2 is thin to have conductivity of heat preferably again, so the outdoor air C1 in the passage X1 will become middle temperature is dried air C2 under passage X2 effect, warm and humid air C3 discharged outdoor during the outdoor air C1 in the passage X2 will become.

Middle temperature is dried airC2 foam device 13 after filtration purifies, and enters the passage X2 of second heat exchanging tampering device 1b of the present invention from bottom to top; Simultaneously with indoor return air C4 underblower fan 14 effect, the passage X1 that is blown into heat exchanging tampering device 1b from bottom to top carries out cold recovery.One roadcold water 15 is extracted out fromstorage tank 12 underwater pump 11 effects, passage X1 top along heat exchanging tampering device 1b sprays into from top to bottom, be back tostorage tank 12 from the passage X1 bottom of heat exchanging tampering device 1b, like this, in passage X1,cold water 15 carries out the countercurrent evaporation cooling with indoor return air C4, the absorption of the sensible heat among the indoor return air C4 is become cold humid air C5 discharge outdoor.In the passage X2 of heat exchanging tampering device 1b, middle temperature is dried air C2 enters two passage X1, the X2 of the 3rd heat exchangingtampering device 1c of the present invention from bottom to top simultaneously carrying out becoming under the heat exchange low temperature drying air C6 with passage X1 wall.

One roadcold water 16 is extracted out fromstorage tank 12 underwater pump 11 effects, passage X1, X2 top along heat exchangingtampering device 1c spray into from top to bottom, be back tostorage tank 12 from passage X1, X2 bottom,cold water 16 carries out the countercurrent evaporation cooling with low temperature drying air C6, make low temperature drying air C6 become the suitable cold humid air of humiture, regulate the spraying amount ofcold water 16, can control the humidity of cold humid air.Cold humidair foam device 17 after filtration purifies and becomes humiture suitable brand-new wind C7 sends into indoor.So far, whole dehumidifying evaporative cooling system has just finished the function of dehumidifying, evaporative cooling, dedusting sterilization, the cold recovery of return air under three heat exchangingtampering device 1a, 1b, 1c effect, transfer out brand-new comfortable new wind.

As shown in Figure 6, be to utilize dehumidifying evaporative cooling of the present invention system, the state change process that carries out air-treatment, outdoor air conditions A point behind the isothermal or cool-down dehumidification of heat exchanging tampering device 1a, becomes state B point; Through clammy state C points that but becomes such as heat exchanging tampering device 1b return air cold recovery; Again through the adiabatic water evaporative cooling becoming of heat exchanging tamperingdevice 1c state D point, and send into indoor as new wind; Then, mix with room air and hot humidity load effect under become the state E point that humiture all reaches comfort index.

The various embodiments described above are only enumerated for explanation the present invention, and the various equivalent variations of carrying out on the basis of the embodiment of the invention should not got rid of outside protection domain of the present invention.

Claims (10)

1. corrugated plate type water evaporation and cooling type heat exchanging tampering device, it is characterized in that: it comprises some plastic sheets with oblique ripple, adjacent described plastic sheet is pressed the interlaced setting of ripple direction, the both sides of each described plastic sheet are bonded to one with the carriage that is arranged on both sides respectively, and the top of each described plastic sheet and bottom are bonded to one with the horizontally disposed support flat-top that is arranged on its top and bottom respectively.

2. a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering device as claimed in claim 1, it is characterized in that: with described support flat-top is interface, left side at described support flat-top, passage between described plastic sheet of odd number layer and the described plastic sheet of its rear adjacent even numbers layer connects, form a upper left odd numbers passage to the bottom right, be bonded to one and stick with glue agent bottom the left side top of the described plastic sheet of even numbers layer and its rear adjacent odd number layer plastic sheet and the right side, make this passage sealing; On described support flat-top right side, passage between described plastic sheet of even numbers layer and the described plastic sheet of its rear adjacent odd number layer connects, form a upper right even numbers passage to the lower-left, be bonded to one and the top, right side of the described plastic sheet of odd number layer and its rear adjacent even numbers layer plastic sheet and left bottom are sticked with glue agent, make this passage sealing.

3. a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering device as claimed in claim 1, it is characterized in that: with the passage of described each plastic sheet formation, passage at interval is integral the top and the bottom of the described support flat-top of this passage both sides with described adhesive bonds.

4. as claim 1 or 2 or 3 described a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering devices, it is characterized in that: 25 °～75 ° at the ripple oblique angle that oblique ripple and described support flat-top form on the described plastic sheet.

5. a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering device as claimed in claim 4 is characterized in that: 30 °～60 ° at the ripple oblique angle that oblique ripple and described support flat-top form on the described plastic sheet.

6. as claim 1 or 2 or 3 described a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering devices, it is characterized in that: the wave height of described oblique ripple is 4～9mm.

7. a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering device as claimed in claim 6 is characterized in that: the wave height of described oblique ripple is 5～7mm.

8. as claim 1 or 2 or 3 described a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering devices, it is characterized in that: the wave space of described oblique ripple is 12～22mm.

9. a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering device as claimed in claim 8 is characterized in that: the wave space of described oblique ripple is 16～18mm.

10. as claim 1 or 2 or 3 described a kind of corrugated plate type water evaporation and cooling type heat exchanging tampering devices, it is characterized in that: the material of described plastic sheet is one or more mixtures in polypropylene and modification kind metallocene polypropylene, high density polyethylene (HDPE) and haloflex and metallocene PE, anti-high impact polystyrene, polytetrafluoroethylene (PTFE), polyethylene terephthalate, polyvinyl chloride and chliorinated polyvinyl chloride, the polyamide; The thickness of described plastic sheet is 0.15～0.5mm, is preferable over 0.2～0.3mm scope.

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