CN100510558C - Single runner two stage dehumidify air-conditioner driven by solar - Google Patents

Single runner two stage dehumidify air-conditioner driven by solar Download PDF

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Publication number
CN100510558C
CN100510558C CNB2007100459027A CN200710045902A CN100510558C CN 100510558 C CN100510558 C CN 100510558C CN B2007100459027 A CNB2007100459027 A CN B2007100459027A CN 200710045902 A CN200710045902 A CN 200710045902A CN 100510558 C CN100510558 C CN 100510558C
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air
level
heat
heater
solar energy
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CN101118075A (en
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李勇
代彦军
王如竹
翟小强
吴静怡
葛天舒
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Abstract

The present invention relates to a solar-driven single rotating wheel two-level dehumidifying air conditioner, belonging to the refrigerating dehumidifying technology field, the present invention comprises a rotating wheel dehumidifying device and a solar energy device, wherein the rotating wheel dehumidifying device comprises a dehumidifying rotating wheel, a heater, a treatment air blower, a regeneration air blower, an electric motor, belts or gears, an evaporative cooler and a heat exchanger, wherein the electric motor connects with the dehumidifying rotating wheel through the belts or gears, and drives the dehumidifying rotating wheel to rotate; the heat exchanger is connected with the evaporative cooler, the evaporative cooler is connected with the treatment air blower; the dehumidifying rotating wheel is divided into four zones, namely a first level treatment zone, a first level regeneration zone, a second level treatment zone and a second level regeneration zone, the two level treatment zones are separated by the two level regeneration zones, the regeneration air blower is connected with the two level regeneration zones respectively, and the first and the second treatment zones of the dehumidifying rotating wheel are respectively connected with two level heat exchangers. The present invention can adjust temperature and humidity effectively, realize the miniaturization and the low cost of the heat-driven air-conditioning equipments, so the system is suitable for four seasons.

Description

The single runner two stage dehumidify air-conditioner of Driven by Solar Energy
Technical field
What the present invention relates to is a kind of air-conditioner of refrigerated dehumidification technical field, specifically is a kind of single runner two stage dehumidify air-conditioner of Driven by Solar Energy.
Background technology
It is the important way that improves building comfortableness, building energy conservation that solar energy is used for summer air-conditioning, meets the general trend of current energy-saving and emission-reduction, sustainable development.The solid rotary wheel dehumidifying can adopt the Driven by Solar Energy desiccant wheel to remove airborne moisture, makes it become dry air, reaches comfortable temperature humidity range by direct evaporative cooling again.Can effectively slow down the nervous trend of supply of electric power in summer, and reduce demand fossil fuel.In addition, rotary wheel dehumidifying reduces employing chloro-fluoro-carbon kind cold-producing medium, and no CFCS problem does not have the greenhouse effects effect yet, is a kind of environmentally friendly refrigeration modes.Current research is also found, through the air that runner is handled, can remove wherein pernicious gas and composition, improves air quality.Be particularly suitable for damp and hot, clammy weather, drive air conditioner relatively with simple electricity, have heat supply, cooling energy-efficient, can handle more fresh airs and advantages such as the air-treatment quality is good, environmental protection.Compare with conventional rotary wheel dehumidifying air-conditioning, can reach lower humiture requirement.
Conventional one-level rotary wheel dehumidifying has following deficiency: 1) regeneration temperature height, mainly utilize thermals source such as electric heating, steam, and low-grade heat sources such as applied solar energy, waste heat have certain difficulty.2) dehumidifying effect is limited, can not remove enough moisture, under the situation that does not have the electricity refrigeration to cooperate, can not reach the temperature and the humidity requirement of the air-supply of comfort air conditioning.3) degree of depth dehumidifying need cooperate complex structure with electric refrigeration air-conditioner.
Find by prior art documents, the patent No. is 00227043.9 Chinese utility model patent " low dew point rotary dehumidifier ", new wind directly passes through rotary wheel dehumidifying in this patent, the regeneration blower fan is connected with the regeneration side of desiccant wheel by the regeneration air channel, regenerative heater is communicated with desiccant wheel assembly regeneration side by the regeneration air channel, the thermal source that this Technology Need is special, energy efficiency is undesirable, and under summer standard environment operating mode, can not reach the air themperature that needs, the scope of humidity regulation.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of single runner two stage dehumidify air-conditioner of Driven by Solar Energy is provided, make it utilize solar energy, can effectively regulate temperature and humidity, be different from the cold air-conditioning of voltage contraction, and can handle new wind and reclaim indoor heat energy, realize that heat drives the miniaturization of air-conditioning equipment, cost degradation, system all can obtain utilizing in the annual four seasons, further reduces the initial cost of air conditioner heating equipment.
The present invention is achieved by the following technical solutions, the present invention includes: rotary dehumidifier, solar energy equipment, rotary dehumidifier is connected with solar energy equipment.Described rotary dehumidifier comprises: desiccant wheel, double-bank heater, processing blower fan, regeneration blower fan, motor, belt or gear, two devaporizers, two-stage heat exchanger.Motor is connected with desiccant wheel by belt or gear, the drive desiccant wheel rotates, heat exchanger is connected with devaporizer, and desiccant wheel is divided into four zones, i.e. first order treatment region, first order renewing zone, second level treatment region and renewing zone, the second level, across the two-stage renewing zone, the regeneration blower fan is connected with the two-stage renewing zone respectively between the bi-level treatment district, the two-stage renewing zone is connected with double-bank heater respectively, and the first order treatment region of desiccant wheel, second level treatment region are connected with the two-stage heat exchanger respectively.
The inlet air flow path of described rotary dehumidifier has the wind path of processing footpath and regeneration wind path footpath.Wherein handling the corresponding physics polyphone connected mode of the present invention in wind path footpath is: handle the wind inlet pipe and be connected with first order treatment region inlet side, the first order treatment region outlet side of desiccant wheel is connected with first order heat exchanger by airduct, first order heat exchanger is connected with desiccant wheel second level treatment region inlet side again, and second level treatment region opposite side is connected with second level heat exchanger airduct, and second level heat exchanger is connected with devaporizer by airduct.Devaporizer is connected with the processing blower fan, handles blower fan and also can be positioned between the above miscellaneous part.
The corresponding physical connection mode of the present invention in regeneration wind path footpath that the air of described rotary dehumidifier flows is: regeneration wind inlet house steward is connected with regeneration side devaporizer inlet side, and regeneration side devaporizer is connected with primary heater and second level heater respectively by airduct.Desiccant wheel first order renewing zone is connected with primary heater by airduct.Renewing zone, the second level is connected with second level heater by airduct.The regeneration blower fan is connected by airduct with the two-stage renewing zone respectively, two-stage regeneration side component, be to be connected in parallel between the first order regeneration side component (primary heater, desiccant wheel first order renewing zone) and the second level regeneration side component (second level heater, renewing zone, the desiccant wheel second level).
Described heater is the cross-flow heat exchanger of air and air heat exchange, or the aqueous vapor heat exchanger.
Described devaporizer is for realizing the direct evaporative cooler or the wet-membrane humidifier of equal-enthalpy humidifying.
Described heat exchanger is the cross-flow heat exchanger of air and air heat exchange.
Described solar energy equipment comprises thermal source and accessory system.Thermal source can be solar hot water heat collector, perhaps solar energy air heat collector.Accessory system is different different according to thermal source.
When described thermal source was solar hot water heat collector, accessory system comprised heat-exchanger pump, hot water, hot water heat exchanger, water tank Bypass hose, auxiliary heater.The connected mode of solar energy equipment is that solar thermal collector is in parallel with the auxiliary heat hydrophone under this situation, is connected with heat exchanger in the water tank.Bypass hose is in parallel with water tank, and is connected with solar thermal collector and auxiliary heater.Heat exchanger and Bypass hose are connected with heat-exchanger pump by water pipe in the water tank, and heat-exchanger pump is connected by water pipe with first order regenerative heater, second level regenerative heater water side-entrance.
When described thermal source was solar energy air heat collector, accessory system comprised the auxiliary air heater, air-heater, heat collector import airduct etc.The connected mode of solar energy equipment is that heat collector import airduct is connected with solar energy air heat collector under this situation, the solar energy air heat collector other end is connected (other positions that air-heater also can be installed on regeneration wind path footpath) with air-heater, the outlet of air-heater is connected with the auxiliary air heater.The auxiliary air heater outlet is regenerated by the first order, and airduct is connected with desiccant wheel first order renewing zone, the auxiliary air heater outlet also is connected with renewing zone, the desiccant wheel second level by second level regeneration airduct.
Described solar hot water heat collector is to be heat transfer medium with water, is flat-plate collector, electron tubes type heat collector, heat pipe type heat collector.
Described solar energy air heat collector is to be heat transfer medium with the air.
Described auxiliary thermal source provides heat energy when being mainly used in the solar energy deficiency, is combustion heater, or is electric heater.Or be compression heat pump, air-conditioning waste heat or other industry, civilian waste heat.
The present invention is to outdoor new wind or indoor return air carries out temperature and humidity is handled, and humidity is handled and mainly finished by rotary dehumidifier, and Temperature Treatment is mainly finished by heat exchanger and devaporizer.Behind the first order rotary wheel dehumidifying, handle wind and cooled off, flow through second level runner once more by heat exchanger, make and handle wind drying more, dry processing wind is realized enthalpy drop by heat exchanger once more, by the devaporizer humidification of suitably lowering the temperature, is adjusted to suitable humiture state and sends into indoor then.Rotary dehumidifier is regenerated by heater, and the heat of heater is from solar energy equipment.
Treatment region of the present invention and renewing zone were exchanged in summer and winter.Summer is when using, utilization be air through processing region, runner plays the function of dehumidifying.When using in the winter time, utilization be through the regeneration zone air, runner works the function that increases water capacity in the air.The dehumidizer that uses can adopt low regeneration temperature (50~70 ℃) to be regenerated, and therefore can use regeneration such as solar water, solar heat air.Described dehumidizer comprises silica gel, lithium chloride, molecular sieve, compound dehumidizer etc.
Operation principle of the present invention is:
(1) air-conditioning temperature-reducing season, the runner treatment region plays moisture in the absorbed air, i.e. exsiccation, and the moisture that is adsorbed in the runner is removed by high temperature air in the renewing zone, promptly produces palingenesis.Under the standard summer condition, the one-level runner can not be removed enough moisture, and is reduced to suitable temperature.This is because dehumidification process is essentially a constant enthalpy temperature-rise period.Therefore by two-stage rotating wheel dehumidification, heat exchanger cooling polyphone, reduce the enthalpy of handling air.Make processing air themperature, humidity be issued to mild temperature and low water capacity, handle by devaporizer again, reach the temperature of reduction and suitable water capacity in hot and humid operating mode.Regeneration air can be outdoor air or indoor return air, enters regeneration side devaporizer by regeneration wind inlet house steward, equal-enthalpy humidifying, and temperature descends.Enter first and second grade processing heat exchanger then respectively, be used for cooling processing wind, and obtain preheating.
(2) warm oneself season, add hot-air,, increase airborne water capacity, reach suitable humiture state, send into indoor again by the rotary wheel regeneration district by heater.
In the prior art, steam compression type electricity refrigeration air-conditioner easily causes peak of power consumption when summer, generally can not provide new wind, and need low temperature dehumidification, and wind pushing temperature is low.There is not humidification function winter.And the present invention uses solar energy to be thermal source, and only blower fan, motor use small amount of electrical energy, and is remarkable in peak of power consumption saving in summer electric energy effect.And air directly can be handled the humiture of indoor needs, it is more comfortable to blow.Can carry out the available heat wet process to new wind to the new wind of indoor input, and can reclaim indoor cold (heat) amount.Can be directly used in heat supply in winter, and have certain humidification function.
With respect to prior art, the present invention has following advantage and effect: (1) existing single-stage dehumidification air conditioner can not reach the humiture of indoor comfort requirement in summer under the standard condition, the present invention then can reach lower humiture, satisfies the air conditioning comfortableness requirement.(2) the present invention is simple in structure, is easy to control, and the equipment investment expense is low.Under the equal operating mode, energy efficiency is better than absorption, absorption type air-conditioner.Adopting natural refrigerants such as air, water is medium, and ozone free damage layer or greenhouse gas emission, environmental pollution problems are a kind of green energy conservation type refrigeration unit.
Description of drawings
Fig. 1 is the example structure schematic diagram of solar heat water-driven of the present invention
Fig. 2 is the structural representation of desiccant wheel subregion among Fig. 1
Fig. 3 is a solar heat air operated example structure schematic diagram of the present invention
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, be structure based on the single runner two stage dehumidify air-conditioner of solar heat water-driven.
Present embodiment comprises: second level regeneration blower fan 1, desiccant wheel 2, runner drive motors 3, runner drives belt 4, second level regenerative heater 5, and heat exchanger 6 is handled in the second level, second level regeneration wind inlet airduct 7, devaporizer 8 is handled blower fan 9, first order regeneration blower fan 10, handle wind inlet airduct 11, first order regenerative heater 12, the first order is handled heat exchanger 13, first order regeneration wind inlet airduct 14, regeneration side devaporizer 15, regeneration wind inlet house steward 16, heat-exchanger pump 17, hot water 18, hot water heat exchanger 19, water tank bypass pipe 20, auxiliary heater 21, solar thermal collector 22.
As shown in Figure 2, the structural representation of desiccant wheel 2 subregions, first order treatment region 23, first order renewing zone 24, second level treatment region 25, renewing zone, the second level 26.Treatment region links to each other with the renewing zone, and between the bi-level treatment district renewing zone, interval.First order treatment region 23, second level treatment region 25, first order renewing zone 24, renewing zone, the second level 26, the area ratio that accounts for desiccant wheel 2 cross sections is respectively 3/8,3/8 and 1/8,1/8, also can be other ratios, as 1/4,1/4 and 1/4,1/4.
The present embodiment structure can be divided into rotary dehumidifier and solar energy equipment.Its connected mode is:
Runner drive motors 3 drives belt 4 (or gear) by runner and is connected with desiccant wheel 2, drives desiccant wheel 2 and rotates.Runner drive motors 3, runner drive belt 4 (or gear), desiccant wheel 2 is formed the runner driven unit.
The air of rotary dehumidifier flows and is divided into two paths, promptly handles wind path footpath and regeneration wind path footpath.The connected mode of handling the wind path footpath is: handle wind inlet airduct 11 and be connected with first order treatment region 23 inlet sides of desiccant wheel 2, first order treatment region 23 air sides are handled heat exchanger 14 processing side-entrances by the airduct and the first order and are connected.The first order is handled heat exchanger 13 processing side outlets and is connected with desiccant wheel 2 second level treatment regions 25 inlet sides by airduct.Treatment region 25 air sides in the second level are handled heat exchanger 6 processing side-entrances by the airduct and the second level and are connected, and the second level is handled heat exchanger 6 processing side outlets and is connected with devaporizer 8 by airduct.Devaporizer 8 is connected with processing blower fan 9 again.
The connected mode in regeneration wind path footpath is: regeneration wind inlet house steward 16 is connected with 15 imports of regeneration side devaporizer, the side of regenerating then devaporizer 15 is handled heat exchanger 13 with the first order respectively, the second level is handled heat exchanger 6 and is connected (regeneration wind is used for cooling processing wind, and is preheated).First order regenerative heater 12 1 sides are handled heat exchanger 13 regeneration wind side outlets with the first order and are connected, and opposite side is connected with the first order renewing zone 24 of desiccant wheel 2 by airduct, and 24 air sides, first order renewing zone then are connected with first order regeneration blower fan 10.Regenerative heater 5 one sides in the second level are handled heat exchanger 6 with the second level and are connected, opposite side is connected with the renewing zone, the second level 26 of desiccant wheel 2, the air side of the renewing zone, the second level 26 of desiccant wheel 2 then is connected (also can be connected with first order regeneration blower fan 10 by airduct, the side of promptly regenerating only drives with an airduct) with second level regeneration blower fan 1.Two-stage regeneration side component is in state in parallel.
The connected mode of solar energy equipment is: solar thermal collector 22 is in parallel with auxiliary heat hydrophone 21, is connected with heat exchanger 19 in the water tank 18, and water tank is used to heat the domestic hot-water.Bypass hose 20 is in parallel with water tank, and is connected with solar thermal collector 22 and auxiliary heat hydrophone 21.Heat exchanger 19 and Bypass hose 20 are connected with heat-exchanger pump 17 by water pipe, and heat-exchanger pump 17 is connected by water pipe with first order regenerative heater 12, the 5 water side-entrances of second level regenerative heater.First order regenerative heater 12, second level regenerative heater 5 water side outlets are connected with solar thermal collector 22, form closed circulation.Two regenerative heater water sides are in state in parallel in the case.The two-stage regenerative heater also can adopt serial arrangement, and instant heating water pump 17 is connected with first order regenerative heater 12 by water pipe, and first order regenerative heater 12 is connected with second level regenerative heater 5 again.Second level regenerative heater 5 is connected with solar thermal collector 22, forms closed circulation.Perhaps heat-exchanger pump 17 is connected with second level regenerative heater 5 by water pipe, and second level regenerative heater 5 is connected with first order regenerative heater 12 again.First order regenerative heater 12 is connected with solar thermal collector 22, forms the hot water closed circulation.
The cool-down dehumidification mode of the two-stage rotating wheel dehumidification air-conditioning of being realized by the said equipment is: outdoor air or indoor return air, perhaps indoor and outdoor is mixed wind (be called for short and handle air) by handling the first order treatment region 23 that wind inlet airduct 11 enters desiccant wheel 2, airborne moisture is adsorbed by desiccant wheel, and this process is a constant-enthalpy process.Air themperature rises to some extent, if continue dehumidifying, effect on moisture extraction is with variation.Therefore this processing air then enters first order processing heat exchanger 13, and heat is passed to the cooling medium of heat exchanger opposite side, for example water or air.Then, fallen the second level treatment region 25 that warm processing air enters desiccant wheel 2 once more, airborne moisture is further adsorbed by the second level treatment region 25 of desiccant wheel 2, becomes the lower air of water capacity.Then, enter the second level once more and handle heat exchanger 6, heat is passed to the cooling medium of heat exchanger opposite side.Because the cooling medium of selecting for use are cooling tower cold water or outdoor air, or indoor return air, the temperature decline that processing wind is handled heat exchanger 7 through the second level does not reach comfortable air-supply requirement as yet.And because the processing wind water capacity of this moment is lower, promptly enthalpy drop has reached the air-supply requirement, handles distinguished and admirable pervaporation cooler 8, realizes reducing temperature and humidity increase water capacity, thereby reaches comfortable air-supply humiture operating mode.Handle flowing of wind and drive and send into air-conditioned room by the processing blower fan 9 that is positioned at devaporizer 8 outlets (handling blower fan 9 also can be arranged between the miscellaneous part of handling distinguished and admirable mistake).
Runner drive motors 3 drives desiccant wheel 2 by belt (or gear) and rotates.Under the driving of motor, rotate to first and second grade renewing zone 24,26 behind desiccant wheel first treatment region 23, second level treatment region 25 adsorption moistures and be reproduced air heat, remove the moisture of absorption.Regeneration air can be outdoor air or indoor return air, enters first and second grade regenerative heater 12,5 respectively by first and second grade regeneration wind blast pipe 14,7, and enters the desiccant wheel renewing zone after being heated to the regeneration temperature that needs.Flowing of two-stage regeneration wind drives (other positions that the regeneration blower fan also can be arranged in the distinguished and admirable mistake of regeneration) by the regeneration blower fan 10,1 that is arranged in the renewing zone outlet, and is discharged into outdoor.
Present embodiment two-stage rotating wheel dehumidification air-conditioning only uses a runner, a cover runner drive system, and compact conformation mainly relies on solar water as thermal source.Present embodiment can be applicable to the summer air-conditioning of occasions such as commercial building, civil buildings, is fit to medium and small system.
Embodiment 2
As shown in Figure 3, for based on solar heat air operated single runner two stage dehumidify air-conditioner, be used for the summer air-conditioning cooling.
Shown in Figure 3, present embodiment comprises: second level regeneration blower fan 1, desiccant wheel 2, runner drive motors 3, runner drives belt 4, and heat exchanger 6 is handled in the second level, second level cooling air import airduct 7, devaporizer 8 is handled blower fan 9, first order regeneration blower fan 10, handle wind inlet airduct 11, the first order is handled heat exchanger 13, first order cooling air import airduct 14, cooling air devaporizer 15, cooling air intake header 16, winter, wind inlet air-valve 27 was handled in the second level, and winter, wind inlet airduct 28 was handled in the second level, handled wind intermediate valve 29, second level regeneration airduct 30, handle wind by-passing valve 31, handle wind bypass airduct 32, first order regeneration airduct 33, auxiliary air heater 34, air-heater 35, solar energy air heat collector 36, heat collector import airduct 37.The structure of desiccant wheel subregion such as Fig. 2.
The difference of present embodiment and embodiment 1 is: adopt solar energy air heat collector, save first order regenerative heater and second level regenerative heater.Regeneration side devaporizer 15 renames cooling air devaporizer 15 in the present embodiment as among the embodiment 1.
The structure of present embodiment also can be divided into rotary dehumidifier, reach solar energy equipment, and its connected mode is:
Runner drive motors 3 drives belt 4 (or gear) by runner and is connected with desiccant wheel 2, drives desiccant wheel 2 and rotates.Runner drive motors 3, runner drive belt 4 (or gear), desiccant wheel 2 is formed the runner driven unit.
The air of rotary dehumidifier flows and is divided into two paths, promptly handles wind path footpath, cooling air path.The connected mode of handling the wind path footpath is: handle wind inlet airduct 11 and be connected with first order treatment region 23 inlet sides of desiccant wheel 2, first order treatment region 23 air sides are connected with processing wind intermediate valve 29, handle wind intermediate valve 29 and are connected by airduct and the 14 processing side-entrances of first order processing heat exchanger.The first order is handled heat exchanger 13 processing side outlets and is connected with desiccant wheel 2 second level treatment regions 25 inlet sides by airduct.Treatment region 25 air sides in the second level are handled heat exchanger 6 processing side-entrances by the airduct and the second level and are connected, and the second level is handled heat exchanger 6 processing side outlets and is connected with devaporizer 8 by airduct.Devaporizer 8 is connected with processing blower fan 9 again.First order treatment region 23 air sides also are connected with processing wind by-passing valve 31 and processing wind bypass airduct 32.Handling wind bypass airduct 32 is connected with processing blower fan 9 again.Winter, wind inlet airduct 28 and second level processing in winter wind inlet air-valve 27 were handled in the second level, and this air-valve 27 is connected with second level treatment region 25 inlet sides of desiccant wheel 2 by airduct again.
The connected mode in cooling air path is: cooling air intake header 16 is connected with cooling air devaporizer 15, and cooling air devaporizer 15 is handled heat exchanger 13 with the first order respectively then, the second level is handled heat exchanger 6 and is connected (being used for cooling processing wind).The first order is handled heat exchanger 13 cooling air side outlets and is connected with second level regeneration blower fan 1, guides cooling air into outdoor environment.The second level is handled heat exchanger 6 cooling air side outlets and is connected with first order regeneration blower fan 10, guides cooling air into outdoor environment.
The connected mode of solar energy heat collector is: heat collector import airduct 37 is connected with solar energy air heat collector 36, solar energy air heat collector 36 is connected (other positions that air-heater 35 also can be installed on regeneration wind path footpath) with air-heater 35, the outlet of air-heater 35 is connected with auxiliary air heater 34.34 outlets of auxiliary air heater are regenerated by the first order, and airduct 33 is connected with first order renewing zone 24,34 outlets of auxiliary air heater also are connected with renewing zone, the second level 26 by second level regeneration airduct 33.First order renewing zone 24 is connected with first order regeneration blower fan 10, and renewing zone, the second level 26 is connected with second level regeneration blower fan 1.
The cool-down dehumidification mode of the two-stage rotating wheel dehumidification air-conditioning of being realized by said structure is: the second level was handled wind inlet air-valve 27 and was closed winter, handled wind by-passing valve 31 and closed, and handled wind intermediate valve 29 and opened.Outdoor air or indoor return air, perhaps indoor and outdoor is mixed wind (air handled in abbreviation) by handling the first order treatment region 23 that wind inlet airduct 11 enters desiccant wheel 2, and airborne moisture is adsorbed by desiccant wheel, and this process is a constant-enthalpy process.Air themperature rises to some extent, if continue dehumidifying, effect on moisture extraction is with variation.Therefore this processings air then enters first order processing heat exchanger 13 by handling wind intermediate valve 29, and heat is passed to the cooling medium of heat exchanger opposite side, and cooling off medium in the present embodiment is air (can also be water).Then, fallen the second level treatment region 25 that warm processing air enters desiccant wheel 2 once more, airborne moisture is further adsorbed by the second level treatment region 25 of desiccant wheel 2, becomes the lower air of water capacity.Then, enter the second level once more and handle heat exchanger 6, heat is passed to the cooling medium of heat exchanger opposite side.Because the cooling medium of selecting for use are cooling tower cold water or outdoor air, or indoor return air, the temperature decline that processing wind is handled heat exchanger 7 through the second level does not reach comfortable air-supply requirement as yet.And because the processing wind water capacity of this moment is lower, promptly enthalpy drop has reached the air-supply requirement, handles distinguished and admirable pervaporation cooler 8, realizes reducing temperature and humidity increase water capacity, thereby reaches comfortable air-supply humiture operating mode.Handle flowing of wind and drive and send into air-conditioned room by the processing blower fan 9 that is positioned at devaporizer 8 outlets (handling blower fan 9 also can be arranged between the miscellaneous part of handling distinguished and admirable mistake).
Runner drive motors 3 drives desiccant wheel 2 by belt (or gear) and rotates.Under the driving of motor, rotate to first and second grade renewing zone 24,26 behind desiccant wheel first treatment region 23, second level treatment region 25 adsorption moistures and be reproduced air heat, remove the moisture of absorption.Surrounding air is driven by air-heater 35 and enters solar energy air heat collector 36 by heat collector import airduct 37.This air is heated as regeneration air at solar energy air heat collector 36.Regeneration air enters first, second grade of desiccant wheel renewing zone 23,25 by first and second grade regeneration wind blast pipe 33,30 respectively.The flowing of runner (taking away the moisture of runner) two-stage regeneration wind that be used for regenerating driven by the regeneration blower fan 10,1 that is arranged in the renewing zone outlet respectively, and is discharged into outdoor.
This two-stage rotating wheel dehumidification air-conditioning method only uses a runner, a cover runner drive system, and compact conformation mainly relies on solar energy air heat collector as thermal source.This equipment can be applicable to the summer air-conditioning of occasions such as commercial building, civil buildings.
Embodiment 3
Present embodiment is used for heat supply in winter, and structure as shown in Figure 3.With the difference of embodiment 2, do not comprise in the present embodiment structure: the first order is handled heat exchanger 13, first order cooling air import airduct 14, cooling air devaporizer 15, cooling air intake header 16, heat exchanger 6 is handled in the second level, devaporizer 8, they are not all being worked in the present embodiment.
The heat supply in winter mode of the two-stage rotating wheel dehumidification air-conditioning of being realized by the said structure characteristics is:
Winter, 27 unlatchings of wind inlet air-valve were handled in the second level, handled wind by-passing valve 31 and opened, and handled wind intermediate valve 29 and closed.Outdoor air or indoor return air, perhaps indoor and outdoor mixing wind (abbreviation regeneration air) surrounding air is driven by air-heater 35 and enters solar energy air heat collector 36 by heat collector import airduct 37.This air is heated as regeneration air at solar energy air heat collector 36.Regeneration air enters first, second grade of desiccant wheel renewing zone 23,25 by first and second grade regeneration wind blast pipe 33,30 respectively.Be used to the runner of regenerating, obtain the moisture in the runner, make air wetting, flowing of two-stage regeneration wind driven by the regeneration blower fan 10,1 that is arranged in the renewing zone outlet respectively, and sends into indoor heating.
Outdoor environment air (be called for short and handle air) enters desiccant wheel 2 first order 23 treatment regions by handling wind inlet airduct 1, and airborne moisture is adsorbed by desiccant wheel.Pass through to handle wind by-passing valve 31 afterwards, first order bypass airduct 32, processed blower fan 9 is discharged outdoor.Another road outdoor environment air is by second level processing in winter wind inlet airduct 28, and winter, wind inlet air-valve 27 was handled in the second level, entered the second level treatment region 25 of grade desiccant wheel 2, and airborne moisture is adsorbed by desiccant wheel.Discharge outdoor by handling blower fan 9 then.Second level processing side air flow process and state variation are identical with the first order.
This two-stage rotating wheel dehumidification air-conditioning can be applicable to the humidification heating in winter of occasions such as public building, commercial building, factory such as library.Embodiment 1 also can be by increasing second level processing in winter wind inlet air-valve 27, winter, wind inlet airduct 28 was handled in the second level, handle wind intermediate valve 29, first order reason wind by-passing valve 31 and processing wind bypass airduct 32 realize being similar to this routine humidification heating system in winter.
As can be seen from the above-described embodiment, the present invention can provide the heat that is different from absorption, absorption refrigeration to drive refrigeration modes, realizes that heat drives the miniaturization of air-conditioning equipment, cost degradation.And when moving in the winter time, can utilize solar energy that heating ventilator and humidification function are provided, thereby the system that makes all can obtain utilizing in the annual four seasons, further reduces the initial cost of air conditioner heating equipment.The present invention has simple in structure, and system's operation is easy to characteristics such as control, can effectively utilize low-grade heat sources such as solar energy, and non-environmental-pollution is a kind of green energy conservation type refrigeration unit.

Claims (10)

1, a kind of single runner two stage dehumidify air-conditioner of Driven by Solar Energy, comprise: rotary dehumidifier, solar energy equipment, rotary dehumidifier is connected with solar energy equipment, it is characterized in that, described rotary dehumidifier comprises: desiccant wheel, double-bank heater, handle blower fan, the regeneration blower fan, motor, belt or gear, two devaporizers, the two-stage heat exchanger, motor is connected with desiccant wheel by belt or gear, the drive desiccant wheel rotates, heat exchanger is connected with devaporizer, desiccant wheel is divided into first order treatment region, first order renewing zone, four zones in second level treatment region and renewing zone, the second level, between the bi-level treatment district across the two-stage renewing zone, the regeneration blower fan is connected with the two-stage renewing zone respectively, the two-stage renewing zone is connected with double-bank heater respectively, the first order treatment region of desiccant wheel, second level treatment region is connected with the two-stage heat exchanger respectively.
2, the single runner two stage dehumidify air-conditioner of Driven by Solar Energy according to claim 1, it is characterized in that, described desiccant wheel first order treatment region inlet side is connected with processing wind inlet pipe, first order treatment region outlet side is connected with first order heat exchanger by airduct, first order heat exchanger is connected with desiccant wheel second level treatment region inlet side again, and second level treatment region opposite side is connected with second level heat exchanger airduct, second level heat exchanger is connected with devaporizer by airduct, devaporizer is connected with the processing blower fan, and the inlet air flow path that constitutes rotary dehumidifier has the wind path of processing footpath.
3, the single runner two stage dehumidify air-conditioner of Driven by Solar Energy according to claim 1, it is characterized in that, described devaporizer inlet side is connected with regeneration wind inlet house steward, devaporizer is connected with primary heater and second level heater respectively by airduct, desiccant wheel first order renewing zone is connected with primary heater by airduct, renewing zone, the second level is connected with second level regenerative heater by airduct, the regeneration blower fan is connected by airduct with the two-stage renewing zone respectively, the inlet air flow path that constitutes rotary dehumidifier has regeneration wind path footpath, wherein: primary heater, desiccant wheel first order renewing zone constitutes first order regeneration side component, second level heater, renewing zone, the desiccant wheel second level constitutes second level regeneration side component, first order regeneration side component, be connected in parallel between the second level regeneration side component.
According to the single runner two stage dehumidify air-conditioner of claim 1 or 3 described Driven by Solar Energy, it is characterized in that 4, described heater is the cross-flow heat exchanger of air and air heat exchange, or the aqueous vapor heat exchanger.
5, the single runner two stage dehumidify air-conditioner of Driven by Solar Energy according to claim 1 and 2 is characterized in that, described heat exchanger is the cross-flow heat exchanger of air and air heat exchange.
6, the single runner two stage dehumidify air-conditioner of Driven by Solar Energy according to claim 1 and 2 is characterized in that, described devaporizer is for realizing the direct evaporative cooler or the wet-membrane humidifier of equal-enthalpy humidifying.
7, the single runner two stage dehumidify air-conditioner of Driven by Solar Energy according to claim 1 is characterized in that, described solar energy equipment, comprise thermal source and accessory system thereof, thermal source is a solar hot water heat collector, perhaps solar energy air heat collector, and accessory system is determined by thermal source.
8, the single runner two stage dehumidify air-conditioner of Driven by Solar Energy according to claim 7, it is characterized in that, when the thermal source of described solar energy equipment is solar hot water heat collector, accessory system comprises heat-exchanger pump, hot water, hot water heat exchanger, the water tank Bypass hose, the auxiliary heat hydrophone, connected mode is: solar thermal collector is in parallel with the auxiliary heat hydrophone, be connected with the hot water heat exchanger in the water tank, the water tank Bypass hose is in parallel with hot water, and be connected with solar thermal collector and auxiliary heat hydrophone, hot water heat exchanger and Bypass hose in the water tank are connected with heat-exchanger pump by water pipe, heat-exchanger pump and first order regenerative heater, second level regenerative heater water side-entrance connects by water pipe, first order regenerative heater is connected with solar thermal collector with second level regenerative heater water side outlet, forms closed circulation.
9, the single runner two stage dehumidify air-conditioner of Driven by Solar Energy according to claim 8, it is characterized in that, described solar hot water heat collector is to be heat transfer medium with water, be flat-plate collector, electron tubes type heat collector or heat pipe type heat collector, described solar energy air heat collector is to be heat transfer medium with the air.
10, the single runner two stage dehumidify air-conditioner of Driven by Solar Energy according to claim 7, it is characterized in that, when the thermal source of described solar energy equipment is solar energy air heat collector, accessory system comprises the auxiliary air heater, air-heater, heat collector import airduct, connected mode is: heat collector import airduct is connected with solar energy air heat collector, the solar energy air heat collector other end is connected with air-heater, the outlet of air-heater is connected with the auxiliary air heater, and the auxiliary air heater outlet is connected with desiccant wheel first order renewing zone by first order regeneration airduct, the auxiliary air heater outlet also is connected with renewing zone, the desiccant wheel second level by second level regeneration airduct.
CNB2007100459027A 2007-09-13 2007-09-13 Single runner two stage dehumidify air-conditioner driven by solar Expired - Fee Related CN100510558C (en)

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