The wet independent process radiation furred ceiling cold supply system of heat
Technical field
The utility model relates to the system in a kind of warm and humid refrigeration and air-conditioning technical field, in particular a kind of heat independent process radiation furred ceiling cold supply system that wets.
Background technology
Along with the continuous intensification of global energy crisis, the air-conditioning system energy consumption has caused social extensive concern, and the scientific and technical personnel of countries in the world field of air conditioning are making great efforts research raising air-conditioner efficiency, reduce the method for power consumption.A large amount of areas of refrigeration air-conditioner of adopting often also are accompanied by high humidity in summer high temperature, the high temperature malaria brings very big inconvenience for people's life.Just because of the mankind requirement of comfort level is determined jointly by temperature and humidity, refrigerated air-conditioning system not only is used for the waste heat amount in the decontamination chamber, simultaneously also born the function of eliminating surplus wet amount, and in the high humility area, humidity load even account for the over half of air-conditioning total load.The dehumidification by condensation mode of tradition refrigeration air-conditioner is separated out condensed water by room air and the cold water heat exchange that is lower than its dew-point temperature, reduces the room air water capacity, reaches the purpose of eliminating humidity load.So the chilled water temperature that traditional refrigeration air-conditioner is produced is lower, thereby causes system's evaporating temperature lower, and efficiency is not high.Simultaneously, the existence of condensed water becomes the hotbed of breed bacteria, influences indoor environmental hygiene.Hot humidity load is separated independent process, absorb moisture in the new wind by dehumidizer, it is surplus wet to send into indoor elimination, and waste heat is then eliminated by the radiation cooling mode.Because air-conditioning system no longer needs to bear indoor humidity load, air conditioner load reduces on the one hand, and size can correspondingly reduce, and saves cost; Need not low chilled water water temperature on the other hand, evaporating temperature is improved, and Energy Efficiency Ratio increases.And by furred ceiling radiation cooling mode, meeting the human somatosensory rule that cold summer heat, indoor temperature is even, and the blowing feeling when having avoided directly sending into cold wind, so comfortableness improves greatly.
The dehumidifier that exists mostly is solid dehumidifying at present, and equipment is huge and complicated, and solution dehumidification mode equipment is simple, is easy to recycle, and it is more flexible that its distinctive potential accumulation of energy characteristic is used system.Solution dehumidification and furred ceiling radiation are combined, and indoor hot humidity load is able to independent process, and the air-conditioning system efficiency improves, room comfortableness and health be improved significantly.
The utility model content
The utility model purpose: the purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of heat independent process radiation furred ceiling cold supply system that wets is provided.
Technical scheme: the utility model is achieved through the following technical solutions, the utility model comprises solar thermal collector, the condensation regenerator, choke valve, evaporimeter, compressor, liquid-liquid heat exchanger, the concentrated solution fluid reservoir, the weak solution fluid reservoir, solution moisture removing device, gas-liquid heat-exchange, flow control valve, furred ceiling radiant coil and spray thrower, wherein: the hot water line of the import of solar thermal collector and condensation regenerator exports and links to each other, the outlet of solar thermal collector links to each other with the hot water line's of condensation regenerator import, the outlet of the cold-producing medium copper pipe of condensation regenerator and the import of choke valve link to each other, the refrigerant side import of the outlet of choke valve and evaporimeter links to each other, the refrigerant side outlet of evaporimeter links to each other with the import of compressor, the import of the cold-producing medium copper pipe of the outlet of compressor and condensation regenerator links to each other, the concentrated solution heat exchanger tube import of the taphole of condensation regenerator and liquid-liquid heat exchanger links to each other, the concentrated solution heat exchanger tube outlet of liquid-liquid heat exchanger links to each other with the import of concentrated solution fluid reservoir, the knockout import of the outlet of concentrated solution fluid reservoir and solution moisture removing device links to each other, the taphole of solution moisture removing device links to each other with the import of weak solution fluid reservoir, the weak solution heat exchanger tube import of the outlet of weak solution fluid reservoir and liquid-liquid heat exchanger links to each other, spray thrower is located at the top of condensation regenerator, the weak solution heat exchanger tube outlet of liquid-liquid heat exchanger links to each other with spray thrower, the branch road of the water side outlet of evaporimeter and the import of furred ceiling radiant coil link to each other, the import of another branch road and flow control valve links to each other, the liquid line import of the outlet of furred ceiling radiant coil and gas-liquid heat-exchange links to each other, the cooling coil import of the outlet of flow control valve and solution moisture removing device links to each other, and the outlet of the liquid line outlet of gas-liquid heat-exchange and the cooling coil of dehumidifier is connected into the water side-entrance of evaporimeter together.
Described evaporimeter is the water-cooled evaporimeter, and the chilled water of a generation part is supplied with the radiant coil circulation, and another part is used for the cooling solution dehumidification process.
Described condensation regenerator comprises cold-producing medium copper pipe, hot water line, fin and silk screen, wherein: cold-producing medium copper pipe and hot water line are the equilateral triangle cross arrangement between fin, the cold-producing medium copper pipe links to each other with the outlet of compressor and the import of choke valve respectively, the import and export of hot water line and solar thermal collector link to each other, and silk screen is filled in the space of fin.
Described fin is a corrugated fin, and described silk screen is the corrugated plastic silk screen.
The hot water line of described condensation regenerator is a copper pipe.
Operation principle of the present utility model is: in the native system, compressor, condensation regenerator, evaporimeter, choke valve, evaporimeter link to each other successively with compressor, constitute refrigeration subsystem; Dehumidifier, condensation regenerator and dense weak solution fluid reservoir constitute solution dehumidification-regeneration subsystem; Dehumidifier is an internally cooled, and its cooling medium is 18 ℃ of left and right sides chilled waters that evaporimeter is produced, and chilled-water flow is by the Flow-rate adjustment valve regulation, and to keep dehumidification process near isothermal, the solution after the dehumidifying flows into the weak solution fluid reservoir and stores.The condensation regenerator is improved on traditional air-cooled condenser basis and is formed, arranged crosswise cold-producing medium copper pipe and hot water copper pipe between the corrugated fin, and between the space, fill the corrugated plastic silk screen.The hot water line connects the import and export of solar thermal collector, absorbs solar radiation by solar thermal collector and produces hot water.When beginning to regenerate, evenly be spilled into space between fin from the weak solution of weak solution fluid reservoir by the spray thrower at condensation regenerator top, slowly flow down along the corrugated plastic silk screen, heated by the hot water in the hot water copper pipe; The outdoor air that condensation fan sucks forms distributary with the solution of past current downflow, and the caloic exchange takes place, and the moisture in the absorbent solution, solution are concentrated regeneration; Solution after the regeneration is delivered to the concentrated solution fluid reservoir, uses for dehumidifier.The weak solution that flows into regenerator is passed through liquid-liquid heat exchanger heat-shift with the concentrated solution that flows out regenerator, and weak solution is preheated, and concentrated solution then obtains the part cooling.Lower when solar radiation, when the heat of regenerating required can't be provided, the heat that cold-producing medium discharges can be used as and remedies, and the condensation heat release is as the regeneration thermal source.
The required cold water of furred ceiling radiation cooling coil pipe is also produced by the evaporimeter of refrigeration subsystem, and chilled water about 18 ℃ flows into radiant coil, has eliminated behind the indoor sensible heat load temperature and has raise and flow out radiant coil.Substantially keep original outdoor temperature through the dry new wind behind the solution moisture removing device isothermal dehumidifying, generally be higher than the return water temperature that flows out radiant coil.Therefore, the new wind after the dehumidifying and the backwater that flows out radiant coil by the gas-liquid heat-exchange heat-shift, are reduced and send into behind the new wind-warm syndrome degree indoorly, reduced owing to send into the fluctuations in indoor temperature that new wind causes.And the cold water mix after backwater after the heat exchange and the cooling and dehumidifying process, the water side entrance that enters the water-cooled evaporimeter lowers the temperature once more, is recycled.
Beneficial effect: the utility model separates independent process with the hot humidity load of indoor air-conditioning, and the evaporating temperature of refrigeration system is compared conventional refrigeration and obtained bigger raising, and Energy Efficiency Ratio increases; The hot water that solution regeneration solar thermal collector produces is the rational and efficient use of regenerative resource as thermal source; The condensation regenerator can be exercised regenerator and condenser dual-use function, and when solar radiation is not enough, can serve as the regeneration thermal source by the condensation thermal discharge; With the cold water cooling and dehumidifying process that evaporimeter is produced, isothermal dehumidifying is effective; New wind behind the further cooling and dehumidifying of the backwater of furred ceiling radiant coil can reduce indoor owing to feed the temperature fluctuation that new wind brings.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the stereogram of condensation regenerator;
Fig. 3 is the cutaway view of condensation regenerator.
The specific embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises solar thermal collector 1, condensation regenerator 2, liquid-liquid heat exchanger 3, weak solution fluid reservoir 4, concentrated solution fluid reservoir 5, solution moisture removing device 6, gas-liquid heat-exchange 7, flow control valve 8, water-cooled evaporimeter 9, compressor 10, choke valve 11, furred ceiling radiant coil 12 and spray thrower 13, wherein: the hot water copper pipe outlet of the import of solar thermal collector 1 and condensation regenerator 2 links to each other, the import of the hot water copper pipe of the outlet of solar thermal collector 1 and condensation regenerator 2 links to each other, the outlet of the cold-producing medium copper pipe of condensation regenerator 2 links to each other with the import of choke valve 11, the refrigerant side import of the outlet of choke valve 11 and water-cooled evaporimeter 9 links to each other, the refrigerant side outlet of water-cooled evaporimeter 9 links to each other with the import of compressor 10, the import of the cold-producing medium copper pipe of the outlet of compressor 10 and condensation regenerator 2 links to each other, the concentrated solution heat exchanger tube import of the taphole of condensation regenerator 2 and liquid-liquid heat exchanger 3 links to each other, the concentrated solution heat exchanger tube outlet of liquid-liquid heat exchanger 3 links to each other with the import of concentrated solution fluid reservoir 5, the knockout import of the outlet of concentrated solution fluid reservoir 5 and solution moisture removing device 6 links to each other, the taphole of solution moisture removing device 6 links to each other with the import of weak solution fluid reservoir 4, the weak solution heat exchanger tube import of the outlet of weak solution fluid reservoir 4 and liquid-liquid heat exchanger 3 links to each other, spray thrower 13 is located at the top of condensation regenerator 2, the weak solution heat exchanger tube outlet of liquid-liquid heat exchanger 3 links to each other with spray thrower 13, the branch road of the water side outlet of water-cooled evaporimeter 9 and the import of furred ceiling radiant coil 12 link to each other, another branch road links to each other with the import of flow control valve 8, the liquid line import of the outlet of furred ceiling radiant coil 12 and gas-liquid heat-exchange 7 links to each other, the cooling coil import of the outlet of flow control valve 8 and solution moisture removing device 6 links to each other, and the outlet of the liquid line outlet of gas-liquid heat-exchange 7 and the cooling coil of dehumidifier is connected into the water side-entrance of water-cooled evaporimeter 9 together.
The chilled water part that described water-cooled evaporimeter 9 produces is supplied with 12 circulations of furred ceiling radiant coil, and another part is used for the cooling solution dehumidification process.
As shown in Figures 2 and 3, described condensation regenerator 2 comprises cold-producing medium copper pipe 14, hot water copper pipe 15, corrugated fin 16 and corrugated plastic silk screen 17, wherein: cold-producing medium copper pipe 14 and hot water copper pipe 15 are the equilateral triangle cross arrangement 16 of corrugated fin, cold-producing medium copper pipe 14 links to each other with the outlet of compressor and the import of choke valve respectively, the import and export of hot water line and solar thermal collector link to each other, and corrugated plastic silk screen 17 is filled in the space of corrugated fin 16.
The import of cold-producing medium copper pipe 14 on the condensation regenerator 2 (A end) connects the outlet of compressor 10, the import of hot water copper pipe 15 (B end) connects the outlet of solar thermal collector 1, the outlet of cold-producing medium copper pipe 14 (C end) connects the import of choke valve 11, and the outlet of hot water copper pipe 15 (D end) connects the import of solar thermal collector 1.
Cold-producing medium is by the heat of kind of refrigeration cycle absorption refrigerating water in water-cooled evaporimeter 9, chilled water temperature reduces, and the part of the chilled water after the reduction temperature flows into the cooling coil of solution moisture removing device 6 inside, the heat that the absorption dehumidifying process discharges, keep the dehumidifying isothermal, temperature raises; Another part flows into indoor furred ceiling radiant coil 12, and the sensible heat load in the absorption chamber reduces indoor temperature.Outdoor new wind is introduced solution moisture removing device 6, is lower than new geomantic omen vapor pressure from the concentrated solution surface water vapor pressure of concentrated solution fluid reservoir 5, absorbs the steam in the new wind, and the heat of the release water that is cooled is taken away, and new wind is dried.Owing to often be lower than the new wind-warm syndrome degree of process removal moisture drying from the chilled water return water temperature of radiant coil outflow, new wind reduces by gas-liquid heat-exchange 7 and chilled water backwater heat-shift to be sent into after the temperature indoorly, has reduced owing to send into the higher fluctuations in indoor temperature that causes of new wind-warm syndrome degree.Enter evaporimeter after the final mixing of two parts chilled water, cooling recycles once more.
Weak solution in the weak solution fluid reservoir 4 concentrates regeneration by condensation regenerator 2, weak solution evenly is spilled into 16 spaces of corrugated fin by the liquid distributor at condensation regenerator 2 tops, slowly flow down along corrugated plastic silk screen 17, absorbed the hot water heating that solar radiation is produced by solar thermal collector 1 simultaneously; The outdoor air that condensation fan sucks forms distributary with the weak solution of past current downflow, the exchange of generation caloic, because heated weak solution surface water vapor pressure is higher than the steam partial pressure of outdoor air, in the hydrone inlet chamber outer air in the weak solution, weak solution is concentrated regeneration.In this process, the condensation thermal discharge also provides the partial regeneration heat.Solution after the regeneration is delivered to concentrated solution fluid reservoir 5, uses for dehumidify new wind of dehumidifier.Lower when solar radiation, when regenerating shortage of heat required, the heat that condensation of refrigerant discharges can be used as additional, the condensation heat release as the regeneration thermal source to keep the carrying out of regeneration.
The weak solution temperature that flows into condensation regenerator 2 is lower than the concentrated solution that flows out regenerator, and regenerative process need absorb heat, and dehumidification process need be discharged heat, therefore by liquid-liquid heat exchanger 3 exchange heat, wait that the weak solution that concentrates regeneration is preheated, concentrated solution then obtains cooling to a certain degree.