CN2921681Y - Fresh air thermal recovery device direct used under low temperature environment - Google Patents
Fresh air thermal recovery device direct used under low temperature environment Download PDFInfo
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- CN2921681Y CN2921681Y CN 200620103817 CN200620103817U CN2921681Y CN 2921681 Y CN2921681 Y CN 2921681Y CN 200620103817 CN200620103817 CN 200620103817 CN 200620103817 U CN200620103817 U CN 200620103817U CN 2921681 Y CN2921681 Y CN 2921681Y
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Abstract
The utility model relates to a fresh air thermal recovery device direct used under low temperature environment, comprising a wind tunnel wall, a fresh air inlet, a fresh air outlet, an exhaustion inlet, an exhaustion outlet, a fresh air tunnel and an exhaustion tunnel, wherein the two ends of the fresh air tunnel are separately connected with the fresh air inlet, and the fresh air outlet; the two ends of the exhaustion tunnel are separately connected with the exhaustion inlet, and the exhaustion outlet; the fresh air tunnel and the exhaustion tunnel are alternately arranged via an air tunnel board, between the fresh air tunnel and the exhaustion tunnel is arranged a guide support board, as well as a liquid inlet, a liquid-distributing structure, the liquid inlet is connected with the liquid-distributing structure; the two sides of the air tunnel board are arranged with a liquid infiltrating layer and liquid, which is arranged the inside and/or the surface of the liquid infiltrating layer. The utility model has the advantages of simple structure, small cubage, low cost, high heat recovery ratio, and can spray the anti-freeze liquid through a circulating pump under the condition of super low environmental temperature, can directly process the heat exchanging to the low temperature fresh air without preheating, thereby improving the efficiency under the state of lower temperature heating.
Description
Technical field
The utility model relates to a kind of air processor, especially a kind of new wind-heat retracting device that can directly use at low temperature environment that is used for air-conditioning equipment.
Background technology
Modern architecture has generally been installed air-conditioning equipment in order to satisfy the requirement of comfortableness, and in order to improve indoor air quality, air-conditioned room need suitably be introduced fresh air.
The method of handling new wind at present mainly contains following several:
One, outdoor new wind directly is extracted into indoorly, and room air directly is discharged to outdoor, between two kinds of air-flows energy recycle device is not installed.Because this method is simple in structure, so present most air-conditioning system adopts this method.The shortcoming of this method is that energy consumption is big, and the novel wind energy consumption accounts for 25% to 40% of total energy consumption, and the scale of air-conditioning system is big, the equipment input is also big.
Two, between new wind and air draft, new wind-heat retracting device is installed, allow the new wind and the air draft of air-conditioning system carry out heat exchange, the new wind-heat retracting device of present stage mainly contains following several: 1, rotary-type heat reclamation device, be that runner constantly rotates between new wind and air draft, utilize the temperature difference and the psychrometric difference that exist naturally between new wind and runner, runner and air draft to carry out heat, the wet transfer.The advanced at present xeothermic rate of recovery of recuperation of heat runner can reach 70% to 80%, full heat (xeothermic the add damp and hot) rate of recovery reaches 50% to 70%, the shortcoming of this device is that part air draft meeting is diffused into new wind side, new wind is polluted, and complex structure, cost height, only a spot of heavy construction is used in actual Air-conditioning Engineering; 2, static plate-type heat recovery device, be air draft and new wind cross-current mistake, dividing plate between two air-flows is made of the material with better heat transfer poisture-penetrability, utilizing the temperature difference that exists naturally between two strands of air-flows to carry out heat with wet difference shifts, the xeothermic rate of recovery of present board-like heat regenerator is 45% to 80%, full heat recovery rate is about 45%, since simple in structure, use more in the actual engineering of air-conditioning; 3, heat pipe type heat reclamation device promptly utilizes between two strands of air-flows the temperature difference that exists naturally to carry out xeothermic transfer, and the xeothermic rate of recovery is 40% to 75%, can not reclaim damp and hotly, and full heat recovery rate is about 30%; 4, the interconnected heat reclamation device of two circulations, promptly pass through pump working, allow water constantly in the pipe of the aqueous vapor heat exchange of Xin Fengchu and air draft place, flow, utilizing the temperature difference that exists naturally between new wind and water, water and the air draft to carry out heat shifts, the xeothermic rate of recovery is 40% to 75%, can not reclaim damp and hotly, full heat recovery rate is about 30%.
China Patent No. is 03269262.5 " a kind of indirect evaporation type fresh air ventilator ", and it is to utilize sprayer unit to give air-conditioning air draft humidification, and the dry-bulb temperature of air draft reduces, and utilizes then that static plate-type heat recovery device is handled into, air draft.China Patent No. is that 02273853.3 " the new blower fan group of indirect evaporation refrigerating formula " is to utilize the spray dress to squirt the surface of heat exchanger exhausting duct, and the air draft of low wet-bulb temperature is evaporated the surface moisture of exhausting duct in a large number, thereby has absorbed the heat of outdoor new wind in a large number.These two kinds of full heat recovery rates of heat reclamation device generally are applicable to the occasion that resh air requirement is bigger about 70%, though the former also has little air quantity type, the type material cost is expensive, and full heat time efficient mostly is about 79% most.Latter's spouting liquid is big, must join circulating pump and liquor box, and device volume is big, cost is high.Application number is that 200310122814.4 " full heat recovery method of the molten medium type of dividing wall type and device " is to utilize solution to circulate in the air channel to reach the purpose that reclaims heat, heat and moisture flow between fresh flue and exhausting duct by solution and shift, this method must be joined circulating pump and liquor box, device volume is big, cost is high, and organic efficiency is limited.Application number is that 200410017627.4 patent application discloses " full recuperation of heat of a kind of gas efficiently and energy transformation method ", in fact this method can not realize as its said full heat recovery rate greater than 100%, because there is not perpetua mobilia in the world, after a kind of energy changes into another kind of energy, its amount can not be greater than original amount, and this method also exists cost height, baroque shortcoming.
As seen from the above analysis, there are above multiple shortcoming in existing fresh air heat recovery method and device, and be low as heat recovery rate, cost is expensive, volume is big, only is suitable for the occasion of big flow etc., can not be in low temperature environment (subzero 20 degree are following) directly use down.
The utility model content
Technical problem to be solved in the utility model provide a kind of simple in structure, volume is little, cost is low, heat recovery rate is high, be particularly suitable for need not heating in advance and the new wind-heat retracting device that directly carries out heat exchange new wind at low temperature environment (subzero 15 degree below).
The technical scheme in the invention for solving the above technical problem is: this can be at the direct new wind-heat retracting device that uses of low temperature environment, comprise wind path wall, fresh inlet, new wind outlet, the air draft import, wind exhausting outlet, fresh flue and exhausting duct, the two ends of fresh flue respectively with fresh inlet, new wind row mouth links to each other, the two ends of exhausting duct respectively with the air draft import, air draft row mouth links to each other, fresh flue and exhausting duct are arranged by plate space, air channel, be provided with the water conservancy diversion support plate between air channel plate and the air channel plate, it is characterized in that also being provided with liquid-inlet, cloth liquid structure, liquid-inlet links to each other with cloth liquid structure, both sides at described air channel plate are provided with liquid-soaked layer and liquid, and liquid is distributed in liquid-soaked layer the inside and or surface.
Cloth liquid structure described in the utility model in a tubular form or container-like or tubulose and container-like combined shaped.
Cloth liquid structure described in the utility model is provided with fluid passage poroid or the seam shape.
Liquid-soaked layer described in the utility model is fiber or micropore or hydrophilic membrane structure.
Liquid-soaked layer described in the utility model is a kind of in nonwoven, paper, fiber cloth, the active carbon.
Liquid described in the utility model is antifreezing liquid.
The utility model also is provided with liquid circulation pump, fluid box, and liquid circulation pump is connected with fluid box, liquid-inlet.
Air channel described in the utility model plate is for horizontally or tiltedly arranging or vertically arrange.
The utility model compared with prior art, have the following advantages and effect: 1, this new wind-heat retracting device is simple in structure, volume is little, directly carry out heat exchange without preheating at the new wind of low temperature environment, this has improved the heat recovery rate under the low temperature environment widely, estimates that product can directly use at 40 degrees below zero; 2, the utility model is when summer, refrigerating state used, liquid is soaked into to plate surface, air channel equably by liquid-inlet, cloth liquid structure, the conduction of the direct heat of evaporation by air channel plate surface liquid and air channel plate makes between new wind and the air draft and produces heat exchange again, the trace excess liquid is then drained in the slit of formation from the wind path wall naturally, utilize liquid in the exhausting duct surface evaporation like this, the exhausting duct surface temperature is near the wet-bulb temperature of air draft, its full heat recovery rate can be up to 95%, thereby makes air-conditioning system reduce installed power, cut down the consumption of energy; 3, the utility model also can be mixed liquid circulation pump, fluid box and antifreezing liquid, when under the situation of environment temperature extremely low (as 40 degrees below zero), heating, (prevent the heat exchanger frosting by circulating pump spray anti-icing fluid, block the air channel), can be without preheating, directly the new wind of low temperature is carried out heat exchange, thereby can improve the heat recovery rate under the low-temperature heating state: 4, the utility model is applied widely, can be used in any air-conditioned occasion, little of the family expenses air-conditioning, all can use to huge central air-conditioning greatly; 5, the utility model can be made modular organization, according to new wind flow size independent assortment.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the schematic diagram of the utility model embodiment 1.
Fig. 3 is the A-A profile of Fig. 1.
Fig. 4 is the B-B profile of Fig. 1.
Fig. 5 is the local amplification profile of the C-C of Fig. 1.
Fig. 6 is the structural representation of the utility model embodiment 2.
Fig. 7 is the D-D profile of Fig. 6.
Fig. 8 is the E-E profile of Fig. 6.
Fig. 9 is the structural representation of the utility model embodiment 3.
Figure 10 is the F-F profile of Fig. 9.
Figure 11 is the structural representation of the utility model embodiment 4.
Figure 12 is the G-G profile of Figure 11.
Figure 13 is the structural representation of the utility model embodiment 5.
Figure 14 is the H-H profile of Figure 13.
The specific embodiment
The utility model embodiment 1:
Referring to Fig. 1～Fig. 5, present embodiment includes wind path wall 10, fresh inlet 11, new wind outlet 1, air draft import 8, wind exhausting outlet 6, fresh flue 3 and exhausting duct 2, wherein the two ends of fresh flue 3 link to each other with fresh inlet 11, new wind outlet 1 respectively, the two ends of described exhausting duct 2 link to each other with air draft import 8, wind exhausting outlet 6 respectively, new wind outlet 1 and air draft import 8 are positioned at a side of this device side by side, and wind exhausting outlet 6 and fresh inlet 11 are positioned at the opposite side of this device side by side; Being the level band by air channel plate 7 spaces between fresh flue 3 and the exhausting duct 2 tiltedly arranges, be provided with water conservancy diversion support plate 9 between each layer air channel plate 7, water conservancy diversion support plate 9 is corrugated, the surface of air channel plate 7 both sides is provided with liquid-soaked layer 12 and liquid, liquid-soaked layer 12 is a nonwoven in the present embodiment, side on the wind path wall 10 that is positioned at the top side is provided with liquid-inlet 5, between fresh flue 3 and exhausting duct 2, be provided with cloth liquid structure 4, liquid-inlet 5 links to each other with cloth liquid structure 4, cloth liquid structure 4 in a tubular form, body is provided with the fluid passage of seam shape, so that liquid can be uniform micro-ly to liquid-soaked layer 12.
Liquid-soaked layer 12 also can be other materials that is fiber, micropore or hydrophilic membrane structure, as paper, fiber cloth, active carbon or hydrophilic aluminium foil etc.The isostructural material of hydrophilic membrane is having much in the market, is coated with the hydrophilic aluminium foil, hydrophilic high mol plastic plate of hydrophilic membrane etc. as the surface, just can make the uniform purpose to air channel plate 7 surfaces of water but present water wetted material also is difficult to accomplish to add minor amount of water.
Cloth liquid structure 4 also can be designed to container-like or tubulose and container-like combined shaped, also can be provided with poroid fluid passage on the cloth liquid structure.Fluid passage poroid or the seam shape can be the hole or the seam of different shape, as micropore, slit, pore, pipe seam etc.
In addition, surface at water conservancy diversion support plate 9 also can be provided with the liquid-soaked layer that is fiber, micropore or hydrophilic membrane structure, this liquid-soaked layer is identical with liquid-soaked layer 12 on being positioned at air channel plate 7, can be nonwoven, paper, fiber cloth, active carbon or hydrophilic aluminium foil etc.
Present embodiment before concrete the use, should be on liquid-inlet 5 places connect liquid control valve, liquid filter.Then in the enclosure, with assemblings such as present embodiment and air cleaner, blower fan, drip trays thus constitute a kind of air conditioner fresh air machine with energy recovery function.
When summer, refrigeration was used, at first liquid (being running water in the present embodiment) is soaked into equably the surface of each layer air channel plate 7 by the slit on the body of liquid filter, liquid control valve, liquid-inlet 5, cloth liquid structure 4; The discharge air flow of low wet-bulb temperature is crossed the surface that air channel plate 7 is positioned at exhausting duct 2 one sides, liquid just is positioned at the surface evaporation of exhausting duct 2 one sides at air channel plate 7, because the surface temperature of this crosswind guidance tape 7 is near the wet-bulb temperature of air draft, conduct by heat, the surface temperature that air channel plate 7 is positioned at fresh flue 3 one sides also and then descends, hot and humid outdoor new distinguished and admirable when crossing fresh flue 3 surperficial, its temperature also and then descends; After fresh flue 3 surface temperatures are lower than the dew-point temperature of new wind, steam limit in the new wind and then folds, (wind path wall 10 of present embodiment is made of flaky material the slit of the moisture that folds from the wind path wall 10, so slit is arranged) the interior discharge, drip in the drip tray, drain, thereby cooled off the temperature of new wind, removed the steam in the new wind.
When heat use winter, with the uniform surface of the antifreezing liquid of trace to each layer air channel plate 7, warm air draft adds hot-flow flue plate 7, air channel plate 7 heats the new wind of low temperature again, after the new wind effect of low temperature, the surface temperature that air channel plate 7 is positioned at exhausting duct 2 one sides is lower than the dew-point temperature of air draft, steam limit in the air draft and then folds, the moisture that folds mixes with the anti-icing fluid on plate surface, air channel, make the freezing point temperature of the aqueous solution that folds be lower than the inlet temperature of new wind, thereby avoided the problem of low temperature lower air duct frosting.Discharge in the slit of the aqueous solution that folds from the wind path wall 10, drip in the drip tray, drain.Thereby improved the temperature of new wind.
Be positioned at actual design apoplexy guidance tape 7 on the surface of fresh flue 3 one sides and also can be provided with liquid-soaked layer 12, liquid-soaked layer 12 can extend in the drip tray always, because the 12 pairs of liquid of liquid-soaked layer on the fresh flue 3 have the adsorption and permeation effect, so the condensed water in the drip tray is transferred in the liquid-soaked layer 12 of fresh flue 3, be evaporated to then in the new wind, give new wind humidification.This liquid transfer method can also have other scheme, as designs some special-purpose holes or groove etc.
If carrying out deionization, moisturizing ions content height, reply moisturizing handle, or to installing regularly or carrying out descale aperiodically and handle.
Present embodiment can also have a simple distortion, is about to whole wind guidance tape 7 and makes liquid-soaked layer 12 and liquid, and this liquid can be antifreezing liquid.
The utility model embodiment 2:
Referring to Fig. 6～Fig. 8, present embodiment is compared with embodiment 1, fresh inlet 11, new wind outlet 1, air draft import 8, wind exhausting outlet 6, fresh flue 3 are different with the arrangement mode of exhausting duct 2, new wind outlet 1, air draft import 8, wind exhausting outlet 6 and fresh inlet 11 lay respectively at four sides of this device, and all the other structures are all identical.
The utility model embodiment 3:
Referring to Fig. 9, Figure 10, present embodiment is compared with embodiment 1, the orientation difference of air channel plate 7, and air channel plate 7 is vertically to arrange; And the cloth liquid structure 4 in the present embodiment in a tubular form, and its body is provided with micropore, and its structure is simpler than embodiment 1, and all the other structures are all identical.
The utility model embodiment 4:
Referring to Figure 11, Figure 12, present embodiment is compared with embodiment 3, the structure difference of cloth liquid structure 4, cloth liquid structure 4 is container-like, its container-like wall is again a wind path wall 10, on the surface of cloth liquid structure 4 (being wind path wall 10) slit is arranged, liquid is uniform to air channel plate 7 by the slit on the cloth liquid structure 4 (being wind path wall 10), and all the other structures are all identical.
The utility model embodiment 5:
Referring to Figure 13, Figure 14, present embodiment is compared with embodiment 4, also comprises liquid circulation pump 92, fluid box 91 and some tube connectors, valve, and all the other structures are all identical.When heating, by circulating pump spray antifreezing liquid, outdoor low temperature fresh air need not additionally just can directly enter the fresh flue, because the effect of antifreezing liquid, the freezing point temperature of water can not take place to be lower than because of outdoor new wind in the condensed water on the exhausting duct, and make frosting on the exhausting duct, even when 40 degrees below zero, also can normally use, thereby can improve heat recovery rate under the low-temperature heating state.
Cloth liquid structure 4 of the present utility model also can be tubulose and container-like combination, and also can be provided with the fluid passage that is micropore shape, pore shape or pipe seam shape on its surface.Every simple deformation of the present utility model all should be thought to fall into protection domain of the present utility model.
Claims (8)
1, a kind of new wind-heat retracting device that can directly use at low temperature environment, comprise wind path wall, fresh inlet, new wind outlet, the air draft import, wind exhausting outlet, fresh flue and exhausting duct, the two ends of fresh flue respectively with fresh inlet, new wind row mouth links to each other, the two ends of exhausting duct respectively with the air draft import, air draft row mouth links to each other, fresh flue and exhausting duct are arranged by plate space, air channel, be provided with the water conservancy diversion support plate between air channel plate and the air channel plate, it is characterized in that: also be provided with liquid-inlet, cloth liquid structure, liquid-inlet links to each other with cloth liquid structure, both sides at described air channel plate are provided with liquid-soaked layer and liquid, and liquid is distributed in liquid-soaked layer the inside and or surface.
2, the new wind-heat retracting device that can directly use at low temperature environment according to claim 1 is characterized in that: described cloth liquid structure in a tubular form or container-like or tubulose and container-like combined shaped.
3, the new wind-heat retracting device that can directly use at low temperature environment according to claim 1 and 2 is characterized in that: described cloth liquid structure is provided with fluid passage poroid or the seam shape.
4, the new wind-heat retracting device that can directly use at low temperature environment according to claim 1, it is characterized in that: described liquid-soaked layer is fiber or micropore or hydrophilic membrane structure.
5, according to claim 1 or the 4 described new wind-heat retracting devices that can directly use at low temperature environment, it is characterized in that: described liquid-soaked layer is a kind of in nonwoven, paper, fiber cloth, the active carbon.
6, the new wind-heat retracting device that can directly use at low temperature environment according to claim 1, it is characterized in that: described liquid is antifreezing liquid.
7, the new wind-heat retracting device that can directly use at low temperature environment according to claim 1, it is characterized in that: also be provided with liquid circulation pump, fluid box, liquid circulation pump is connected with fluid box, liquid-inlet.
8, the new wind-heat retracting device that can directly use at low temperature environment according to claim 1 is characterized in that: described air channel plate is for horizontally or tiltedly arranging or vertically arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103817 CN2921681Y (en) | 2006-05-22 | 2006-05-22 | Fresh air thermal recovery device direct used under low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620103817 CN2921681Y (en) | 2006-05-22 | 2006-05-22 | Fresh air thermal recovery device direct used under low temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2921681Y true CN2921681Y (en) | 2007-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620103817 Expired - Fee Related CN2921681Y (en) | 2006-05-22 | 2006-05-22 | Fresh air thermal recovery device direct used under low temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2921681Y (en) |
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2006
- 2006-05-22 CN CN 200620103817 patent/CN2921681Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070711 |