CN102620474A - Air conditioner cold-hot water unit with antifreeze solution regenerated heat recovery device - Google Patents
Air conditioner cold-hot water unit with antifreeze solution regenerated heat recovery device Download PDFInfo
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- CN102620474A CN102620474A CN2012101007297A CN201210100729A CN102620474A CN 102620474 A CN102620474 A CN 102620474A CN 2012101007297 A CN2012101007297 A CN 2012101007297A CN 201210100729 A CN201210100729 A CN 201210100729A CN 102620474 A CN102620474 A CN 102620474A
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Abstract
The invention discloses an air conditioner cold-hot water unit with an antifreeze solution regenerated heat recovery device. The air conditioner cold-hot water unit comprises a compressor, an evaporative condenser, a throttling device, an evaporator and the antifreeze solution regenerated heat recovery device, wherein the interface of one end of the compressor is respectively connected with the gas tube of the evaporative condenser and the gas tube of the evaporator; the interface of the other end of the compressor is simultaneously respectively connected with the gas tube of the evaporative condenser and the gas tube of the evaporator; the connecting pipeline of the throttling device is respectively connected with the liquid tube of the evaporator and the liquid tube of the evaporative condenser; and the cooling water system of evaporative condenser is provided with the antifreeze solution regenerated heat recovery device. By using the antifreeze solution regenerated heat recovery device, the solution regeneration and a recycle of solution regeneration energy source are realized, and an antifreeze solution is avoided to be frozen; and technology security is provided for the air conditioner cold-hot water unit to take heat from outdoor air through the evaporative condenser so as to realize efficient, continuous and stable heat supply.
Description
Technical field
The present invention relates to the water chiller/heater technical group field of idle call, particularly a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device.
Background technology
Adopt evaporative condenser heat-obtaining in outdoor air also heat energy to be provided for the air conditioner cold and hot water unit in winter; Be to realize important channel efficient, stable heating; Compare with air source heat pump, its heat exchange efficiency is high, saves heat exchanger materials; Can realize continuous heat supply, have considerable energy saving and reduce discharging prospect.But; In the air conditioner cold and hot water unit commonly used at present; When the refrigerating medium in the evaporative condenser (cooling water) temperature was lower than 0 ℃, refrigerating medium will glaciation, and possibly there is the danger that is inflated rhegma in the parts of evaporative condenser and connection thereof; At this moment if can obtain the anti-freezing solution of suitable concn, can guarantee each parts operate as normal at low temperatures.In addition, when the heat pump operating mode, evaporative condenser is behind the air heat-obtaining; The temperature of air reduces, and can make airborne condensate moisture, and this partial condensation water gets in the anti-freezing solution; To cause the anti-freezing solution dilution again, along with anti-freezing solution concentration reduces, the freezing point of anti-freezing solution can improve; Like the concentration (or claiming solution regeneration) of untimely raising anti-freezing solution, parts such as the solution pool of evaporative condenser, water pump still have expansion rhegma risk.For addressing this problem; Many at present antifreezing agents that diluted solution added high concentration; The diluted anti-freezing solution that overflows is left in the indoor or underground solution holding vessel, treat that outdoor temperature raises after, again weak solution is pumped in the evaporative condenser; Utilize airborne energy to realize solution regeneration; This method must need very antifreezing agent, jumbo concentrated solution and the weak solution holding vessel of high concentration, cause that the antifreezing agent use amount is big, the solution storage area is huge, initial cost is high and the operating cost of increase antifreezing agent, has greatly limited evaporative condenser as the air conditioner cold and hot water unit of the heat pump heat-obtaining device suitable region at low temp area.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; Provide a kind of safe and reliable, can stablize and improve anti-freezing solution concentration; And can realize the air conditioner cold and hot water unit of the band anti-freezing solution regenerated heat retracting device of heat recovery, the use of this unit effectively reduces the initial cost and the operating cost of refrigerated air-conditioning system.
Technical scheme of the present invention is: a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device; Comprise compressor, evaporative condenser, throttling arrangement, evaporimeter and anti-freezing solution regenerated heat retracting device; The interface of compressor one end connects the flue of evaporative condenser and the flue of evaporimeter respectively; The interface of the compressor other end connects the flue of evaporative condenser and the flue of evaporimeter simultaneously respectively, and the connection pipeline at throttling arrangement place connects the liquid line of evaporimeter and the liquid line of evaporative condenser respectively; The cooling water system of evaporative condenser is provided with anti-freezing solution regenerated heat retracting device;
Said anti-freezing solution regenerated heat retracting device comprises regeneration container and water vapour condensation heat recover, is connected through the water vapour passage between regeneration container and the water vapour condensation heat recover; Be provided with heater in the regeneration container, regeneration container also is connected with evaporative condenser with high concentration anti-freezing solution passage through low concentration anti-freezing solution passage respectively; Be provided with first heat exchanger in the water vapour condensation heat recover, be respectively equipped with heat exchange medium import and heat exchange medium exit on first heat exchanger, heat exchange medium is a circulation water for heating; Water vapour condensation heat recover is provided with condensation-water drain.
Said high concentration anti-freezing solution passage is provided with solution pump.
As a kind of preferred version; Anti-freezing solution regenerated heat retracting device also comprises second heat exchanger; Second heat exchanger is provided with low concentration solution import and highly concentrated solution outlet; Low concentration anti-freezing solution passage passes second heat exchanger inside and communicates with the low concentration solution import, and high concentration anti-freezing solution passage passes second heat exchanger inside and communicates with the highly concentrated solution import.Low concentration anti-freezing solution and high concentration anti-freezing solution carry out primary heat exchange in second heat exchanger, reclaimed the sensible heat and the preliminary heating low concentration anti-freezing solution of high concentration anti-freezing solution, can effectively improve the regenerated heat organic efficiency in the regeneration container.
Said regeneration container and water vapour condensation heat recover are located in same hollow cylinder or the casing, both can take up an area of by saving equipment, improve the compactness of device, also can reduce heat radiation simultaneously, effectively improve the regenerated heat rate of recovery; First heat exchanger below is provided with water pond; The low concentration solution import department of second heat exchanger is provided with the 3rd heat exchanger; The 3rd heat exchanger is connected with water pond through condensing water conduit; Condensing water conduit passes the 3rd heat exchanger and end is condensation-water drain, and low concentration anti-freezing solution passage passes second heat exchanger and the 3rd heat exchanger successively, and the end of low concentration anti-freezing solution passage is the low concentration solution import.Receive the condensed water in the water vapour condensation heat recover through water pond, and the waste heat of condensed water is used for the preheating of low concentration anti-freezing solution, realize secondary preheating, can improve the regenerated heat organic efficiency in the regeneration container more significantly the low concentration anti-freezing solution; In addition; Also can realize following heat exchange: low concentration anti-freezing solution-high concentration anti-freezing solution, condensed water-low concentration anti-freezing solution, water vapour-low concentration anti-freezing solution through the design of arranging to low concentration anti-freezing solution passage, high concentration anti-freezing solution passage, condensation water channel and water vapour passage.
Said low concentration anti-freezing solution passage and the parallel connection of high concentration anti-freezing solution passage are located on the regeneration container, and low concentration anti-freezing solution passage is provided with the low concentration solution valve, and high concentration anti-freezing solution passage is provided with the highly concentrated solution valve.
The circulation water for heating outlet of said evaporimeter connects the heat exchange medium import on first heat exchanger, and the circulation water for heating series connection in the evaporimeter and first heat exchanger at this moment is provided with.
Heat exchange medium on said first heat exchanger is the cold-producing medium of unit, and the heat exchange medium import connects the cold-producing medium throttling arrangement through the 3rd heat pump valve, and heat exchange medium exit connects compressor.
The interface of said compressor one end is the refrigeration import and heats import that the interface of the compressor other end exports and heat outlet for refrigeration simultaneously simultaneously; Wherein, The pipeline that the refrigeration outlet is connected with the evaporative condenser flue is provided with first refrigeration valve; The pipeline that the refrigeration import is connected with the evaporimeter flue is provided with second refrigeration valve; Heat the pipeline that is connected with the evaporimeter flue of outlet and be provided with the first heat pump valve, heat the pipeline that import is connected with the evaporative condenser flue and be provided with the second heat pump valve.
The interface of said compressor one end is provided with first two position three way directional control valve; The interface of the compressor other end is provided with second two position three way directional control valve; Two outlets of first two position three way directional control valve are connected with the evaporimeter flue with the evaporative condenser flue through pipeline respectively, and two imports of second two position three way directional control valve are connected with the evaporimeter flue with the evaporative condenser flue through pipeline respectively.
Simultaneously be provided with four-way change-over valve as refrigeration outlet and the interface that heats outlet on the said compressor, other three interfaces of four-way change-over valve are connected with the interface that heats import as the import of freezing through on pipeline and evaporative condenser flue, evaporimeter flue and the compressor respectively simultaneously.
In the said apparatus structure, said heater adopts the heater of resistance-type, electromagnetic type, steam-type, combustion type, fuel oil type or oily hot type, and the thermal source of heater is the hot water that electricity, combustion gas, fuel oil, fume afterheat, compressor air-discharging or source pump are produced.Said first heat exchanger, second heat exchanger and the 3rd heat exchanger all can adopt fin tube type, shell-and-tube, bushing type or board-like heat exchanger.Said low concentration solution valve, highly concentrated solution valve, first refrigeration valve, second refrigeration valve, the first heat pump valve and the second heat pump valve all can adopt motor-driven valve or hand-operated valve.Said first two position three way directional control valve and second two position three way directional control valve all can adopt electronic or pneumatic two position three way directional control valve.
When the air conditioner cold and hot water unit of this band anti-freezing solution regenerated heat retracting device used, its principle is: compressor, evaporative condenser, throttling arrangement, evaporimeter formed the kind of refrigeration cycle pattern simultaneously and heat circulation pattern; When as the kind of refrigeration cycle pattern, solution is seen off by the refrigeration outlet of compressor, passes through evaporative condenser, throttling arrangement and evaporimeter successively, and the refrigeration import by compressor at last gets into compressor, thereby forms the kind of refrigeration cycle pattern; When conduct heated circulation pattern, solution was seen off by the outlet that heats of compressor, and successively through evaporator, throttling arrangement and evaporative condenser, the import that heats by compressor at last gets into compressor, heats circulation pattern thereby form.Wherein, The principle of anti-freezing solution regenerated heat retracting device is: the low concentration anti-freezing solution in the evaporative condenser gets into regeneration container from low concentration anti-freezing solution passage; Through heater the low concentration anti-freezing solution is carried out heating evaporation; The high-temperature water vapor that produces is delivered to water vapour condensation heat recover from the water vapour passage, and the high concentration anti-freezing solution that obtains behind the heating evaporation is seen off from high concentration anti-freezing solution passage; Water vapour carries out heat exchange through first heat exchanger and heat exchange medium (circulation water for heating or cold-producing medium) in water vapour condensation heat recover, see off from condensation-water drain after water vapour is cooled.
The present invention has following beneficial effect with respect to prior art:
1, realized solution regeneration; Avoided anti-freezing solution to be freezed: the low concentration anti-freezing solution in from the evaporative condenser to the regeneration container is through the heat effect of heater; Evaporate high-temperature water vapor; Return evaporative condenser after making weak solution be transformed into concentrated solution, guaranteed that the anti-freezing solution concentration in the evaporative condenser remains on proper level, continue to satisfy the antifreeze demand of system's operation.
2, realized the recycling of the solution renewable sources of energy: the low concentration anti-freezing solution in the thermal regeneration container and the high-temperature water vapor that produces gets into water vapour condensation heat recover through the water vapour passage; Carry out heat exchange with circulation water for heating or cold-producing medium in first heat exchanger; Not only the water vapour of high temperature is condensed into the condensed water of low temperature; And the temperature of the circulation water for heating of low temperature or cold-producing medium raise; The energy that heating and anti-freezing solution is consumed obtains recycling the evaporating temperature when improving the heat pump operating mode simultaneously, unit performance and operation stability through water vapour condensation exotherm; In addition, low concentration anti-freezing solution and high concentration anti-freezing solution carry out heat exchange in first heat exchanger, second heat exchanger, reclaimed the sensible heat of solution.The comprehensive function of the two has been reclaimed and has been used for the energy that heating and anti-freezing solution is consumed.
3, realized the frostless operation of heat pump: the low concentration anti-freezing solution in the evaporative condenser is through anti-freezing solution regenerated heat retracting device; Improved solution concentration; Evaporative condenser and parts generation frosting thereof or icing phenomenon in the time of can avoiding the heat pump operating mode; Make the heat pump operating mode realize operation continuously, avoided the long-term discontinuity defrosting of air-cooled heat pump, influence the heat pump effect.
The fresh water of 4, being discharged by condensation-water drain can be used as the water source of equipment such as domestic water and indoor humidification, has realized the water resource recycle.
5, this anti-freezing solution regenerated heat retracting device be the air conditioner cold and hot water unit through evaporative condenser heat-obtaining from outdoor air realize efficient, continuously, stable heating provides technical guarantee, and efficient extn adopt the scope of application of the air source heat pump of evaporative condenser at low temp area.
Description of drawings
Fig. 1 is the principle schematic of this air conditioner cold and hot water unit.
Fig. 2 is the principle schematic behind the increase solution pump in this air conditioner cold and hot water unit.
Fig. 3 increases the principle schematic behind second heat exchanger for anti-freezing solution regenerated heat retracting device in this air conditioner cold and hot water unit.
Fig. 4 increases the principle schematic behind second heat exchanger and the 3rd heat exchanger for anti-freezing solution regenerated heat retracting device in this air conditioner cold and hot water unit.
The principle schematic of Fig. 5 when low concentration anti-freezing solution passage and the parallel connection of high concentration anti-freezing solution passage are provided with in the anti-freezing solution regenerated heat retracting device in this air conditioner cold and hot water unit.
Fig. 6 is the principle schematic that the series connection of the circulation water for heating in evaporimeter and first heat exchanger is provided with in this air conditioner cold and hot water unit.
Fig. 7 is the principle schematic of cold-producing medium for the heat exchange medium in this air conditioner cold and hot water unit first heat exchanger.
Fig. 8 is the principle schematic behind the employing two position three way directional control valve in this air conditioner cold and hot water unit.
Fig. 9 is the principle schematic behind the employing four-way change-over valve in this air conditioner cold and hot water unit.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is done further detailed description, but embodiment of the present invention is not limited thereto.
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device; As shown in Figure 1; Comprise compressor 1, evaporative condenser 2, throttling arrangement 3, evaporimeter 4 and anti-freezing solution regenerated heat retracting device (shown in dashed rectangle inside among the figure); The interface of compressor 1 one ends connects the flue of evaporative condenser 2 and the flue of evaporimeter 4 respectively; The interface of compressor 1 other end connects the flue of evaporative condenser 2 and the flue of evaporimeter 4 simultaneously respectively, and the connection pipeline at throttling arrangement 3 places connects the liquid line of evaporimeter and the liquid line of evaporative condenser respectively; The cooling water system of evaporative condenser is provided with anti-freezing solution regenerated heat retracting device;
Anti-freezing solution regenerated heat retracting device comprises regeneration container 5 and water vapour condensation heat recover 8, is connected through water vapour passage 7 between regeneration container and the water vapour condensation heat recover; Be provided with heater 6 in the regeneration container, regeneration container also is connected with evaporative condenser with high concentration anti-freezing solution passage 14 through low concentration anti-freezing solution passage 13 respectively; Be provided with in the water vapour condensation heat recover and be respectively equipped with heat exchange medium import 11 and heat exchange medium exit 12 on first heat exchanger, 9, the first heat exchangers 9, heat exchange medium is a circulation water for heating; Water vapour condensation heat recover 8 is provided with condensation-water drain 10.
The interface 30 of compressor 1 one ends exports and heats outlet for refrigeration simultaneously, and the interface 31 of compressor 1 other end is the refrigeration import simultaneously and heats import; Wherein, The pipeline that the refrigeration outlet is connected with the evaporative condenser flue is provided with first refrigeration valve 23; The pipeline that the refrigeration import is connected with the evaporimeter flue is provided with second refrigeration valve 24; Heat the pipeline that is connected with the evaporimeter flue of outlet and be provided with the first heat pump valve 25, heat the pipeline that import is connected with the evaporative condenser flue and be provided with the second heat pump valve 26.
When the air conditioner cold and hot water unit of this band anti-freezing solution regenerated heat retracting device used, its principle is: compressor 1, evaporative condenser 2, throttling arrangement 3, evaporimeter 4 formed the kind of refrigeration cycle pattern simultaneously and heat circulation pattern; When as the kind of refrigeration cycle pattern, solution is seen off by the refrigeration outlet 31 of compressor 1, passes through evaporative condenser 2, throttling arrangement 3 and evaporimeter 4 successively, and the refrigeration import 30 by compressor 1 at last gets into compressor, thereby forms the kind of refrigeration cycle pattern; When conduct heated circulation pattern, solution was seen off by the outlet 30 that heats of compressor 1, and successively through evaporator 4, throttling arrangement 3 and evaporative condenser 2, the import 31 that heats by compressor 1 at last gets into compressors, heats circulation pattern thereby form.Wherein, The principle of anti-freezing solution regenerated heat retracting device is: the low concentration anti-freezing solution in the evaporative condenser 2 gets into regeneration container 5 from low concentration anti-freezing solution passage 13; Carry out heating evaporation through 6 pairs of low concentration anti-freezing solutions of heater; The high-temperature water vapor that produces is delivered to water vapour condensation heat recover 8 from water vapour passage 7, and the high concentration anti-freezing solution that obtains behind the heating evaporation is seen off from high concentration anti-freezing solution passage 14; Water vapour carries out heat exchange through first heat exchanger 9 with heat exchange medium (circulation water for heating) in water vapour condensation heat recover 8, see off from condensation-water drain 10 after water vapour is cooled.
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device, as shown in Figure 2, to compare with embodiment 1, its difference is that high concentration anti-freezing solution passage 14 is provided with solution pump 15.
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device; As shown in Figure 3; Compare with embodiment 1; Its difference is that anti-freezing solution regenerated heat retracting device comprises that also second heat exchanger, 16, the second heat exchangers are provided with low concentration solution import 17 and highly concentrated solution outlet 18; Low concentration anti-freezing solution passage 13 passes second heat exchanger, 16 inside and communicates with low concentration solution import 17, and high concentration anti-freezing solution passage 14 passes second heat exchanger, 16 inside and communicates with highly concentrated solution outlet 18.Low concentration anti-freezing solution and high concentration anti-freezing solution carry out primary heat exchange in second heat exchanger, reclaimed the sensible heat and the preliminary heating low concentration anti-freezing solution of high concentration anti-freezing solution, can effectively improve the regenerated heat organic efficiency in the regeneration container.
Embodiment 4
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device, as shown in Figure 4, compare with embodiment 3; Its difference is; Regeneration container and water vapour condensation heat recover are located in same hollow cylinder or the casing, both can take up an area of by saving equipment, improve the compactness of device; Simultaneously also can reduce heat radiation, effectively improve the regenerated heat rate of recovery; First heat exchanger below is provided with water pond 19; The low concentration solution import department of second heat exchanger 16 is provided with the 3rd heat exchanger 20; The 3rd heat exchanger is connected with water pond 19 through condensing water conduit; Condensing water conduit passes the 3rd heat exchanger 20 and end is condensation-water drain 10, and low concentration anti-freezing solution passage 13 passes second heat exchanger 16 and the 3rd heat exchanger 20 successively, and the end of low concentration anti-freezing solution passage 13 is low concentration solution import 17.Receive the condensed water in the water vapour condensation heat recovers through water pond 19, and the waste heat of condensed water is used for the preheating of low concentration anti-freezing solution, realize secondary preheating, can improve the regenerated heat organic efficiency in the regeneration container more significantly the low concentration anti-freezing solution; In addition; Also can realize following heat exchange: low concentration anti-freezing solution-high concentration anti-freezing solution, condensed water-low concentration anti-freezing solution, water vapour-low concentration anti-freezing solution through the design of arranging to low concentration anti-freezing solution passage, high concentration anti-freezing solution passage, condensation water channel and water vapour passage.
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device; As shown in Figure 5; Compare with embodiment 1, its difference is that low concentration anti-freezing solution passage 13 is located on the regeneration container with 14 parallel connections of high concentration anti-freezing solution passage; Low concentration anti-freezing solution passage is provided with low concentration solution valve 21, and high concentration anti-freezing solution passage is provided with highly concentrated solution valve 22.When the concentration of anti-freezing solution reduced, low concentration solution valve 21 was closed highly concentrated solution valve 22; The anti-freezing solution of low concentration is introduced regeneration container 5 through low concentration anti-freezing solution passage 13; Behind the heater via heat effect, evaporate high-temperature vapor, make weak solution be transformed into concentrated solution; When the concentration of anti-freezing solution in the regeneration container is increased to demand concentration, open highly concentrated solution valve 22, close low concentration solution valve 21, the anti-freezing solution of high concentration is seen off through high concentration anti-freezing solution passage 14.
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device; As shown in Figure 6; Compare with embodiment 1; Its difference is that the circulation water for heating outlet of evaporimeter 4 connects the heat exchange medium import 11 on first heat exchanger 9, and the circulation water for heating series connection in the evaporimeter 4 and first heat exchanger 9 at this moment is provided with.
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device; As shown in Figure 7; Compare with embodiment 1, its difference is that the heat exchange medium on first heat exchanger 9 is the cold-producing medium of unit; Heat exchange medium import 11 connects cold-producing medium throttling arrangement 3 through the 3rd heat pump valve 32, and heat exchange medium exit 12 connects compressor 1; This moment, water vapour carried out heat exchange through first heat exchanger 9 with heat exchange medium (cold-producing medium) in water vapour condensation heat recover 8.
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device; As shown in Figure 8; Compare with embodiment 1; Its difference is that interface 30 places of compressor one end are provided with first two position three way directional control valve 27, and the interface 31 of the compressor other end is provided with second two position three way directional control valve 28; Two outlets of first two position three way directional control valve 27 are connected with the evaporimeter flue with the evaporative condenser flue through pipeline respectively, and two imports of second two position three way directional control valve 28 are connected with the evaporimeter flue with the evaporative condenser flue through pipeline respectively.Thereby the interface at the compressor two ends saves first refrigeration valve 23, second refrigeration valve 24, the first heat pump valve 25 and the second heat pump valve 26.
A kind of air conditioner cold and hot water unit of present embodiment with anti-freezing solution regenerated heat retracting device; As shown in Figure 9; Compare with embodiment 1; Its difference is, is provided with four-way change-over valve 29 as refrigeration outlet and the interface that heats outlet simultaneously on the compressor, and other three interfaces of four-way change-over valve 29 are connected with the interface that heats import as the import of freezing through on pipeline and evaporative condenser flue, evaporimeter flue and the compressor respectively simultaneously.Thereby the interface at the compressor two ends saves first refrigeration valve 23, second refrigeration valve 24, the first heat pump valve 25 and the second heat pump valve 26.
In the apparatus structure of above-mentioned each embodiment; Said heater adopts the heater of resistance-type, electromagnetic type, steam-type, combustion type, fuel oil type or oily hot type, and the thermal source of heater is the hot water that electricity, combustion gas, fuel oil, fume afterheat, compressor air-discharging or source pump are produced.Said first heat exchanger, second heat exchanger and the 3rd heat exchanger all can adopt fin tube type, shell-and-tube, bushing type or board-like heat exchanger.Said low concentration solution valve, highly concentrated solution valve, first refrigeration valve, second refrigeration valve, the first heat pump valve and the second heat pump valve all can adopt motor-driven valve or hand-operated valve.Said first two position three way directional control valve and second two position three way directional control valve all can adopt electronic or pneumatic two position three way directional control valve.
As stated, can realize preferably that just the present invention, the foregoing description are merely preferred embodiment of the present invention, be not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (10)
1. air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device; It is characterized in that; Comprise compressor, evaporative condenser, throttling arrangement, evaporimeter and anti-freezing solution regenerated heat retracting device; The interface of compressor one end connects the flue of evaporative condenser and the flue of evaporimeter respectively; The interface of the compressor other end connects the flue of evaporative condenser and the flue of evaporimeter simultaneously respectively, and the connection pipeline at throttling arrangement place connects the liquid line of evaporimeter and the liquid line of evaporative condenser respectively; The cooling water system of evaporative condenser is provided with anti-freezing solution regenerated heat retracting device;
Said anti-freezing solution regenerated heat retracting device comprises regeneration container and water vapour condensation heat recover, is connected through the water vapour passage between regeneration container and the water vapour condensation heat recover; Be provided with heater in the regeneration container, regeneration container also is connected with evaporative condenser with high concentration anti-freezing solution passage through low concentration anti-freezing solution passage respectively; Be provided with first heat exchanger in the water vapour condensation heat recover, be respectively equipped with heat exchange medium import and heat exchange medium exit on first heat exchanger, heat exchange medium is circulation water for heating or cold-producing medium; Water vapour condensation heat recover is provided with condensation-water drain.
2. according to the said a kind of air conditioner cold and hot water unit of claim 1, it is characterized in that said high concentration anti-freezing solution passage is provided with solution pump with anti-freezing solution regenerated heat retracting device.
3. according to the said a kind of air conditioner cold and hot water unit of claim 1 with anti-freezing solution regenerated heat retracting device; It is characterized in that; Also comprise second heat exchanger; Second heat exchanger is provided with low concentration solution import and highly concentrated solution outlet, and low concentration anti-freezing solution passage passes second heat exchanger inside and communicates with the low concentration solution import, and high concentration anti-freezing solution passage passes second heat exchanger inside and communicates with the highly concentrated solution import.
4. according to the said a kind of air conditioner cold and hot water unit of claim 3, it is characterized in that said regeneration container and water vapour condensation heat recover are located in same hollow cylinder or the casing with anti-freezing solution regenerated heat retracting device; First heat exchanger below is provided with water pond; The low concentration solution import department of second heat exchanger is provided with the 3rd heat exchanger; The 3rd heat exchanger is connected with water pond through condensing water conduit; Condensing water conduit passes the 3rd heat exchanger and end is condensation-water drain, and low concentration anti-freezing solution passage passes second heat exchanger and the 3rd heat exchanger successively, and the end of low concentration anti-freezing solution passage is the low concentration solution import.
5. according to the said a kind of air conditioner cold and hot water unit of claim 1 with anti-freezing solution regenerated heat retracting device; It is characterized in that; Said low concentration anti-freezing solution passage and the parallel connection of high concentration anti-freezing solution passage are located on the regeneration container; Low concentration anti-freezing solution passage is provided with the low concentration solution valve, and high concentration anti-freezing solution passage is provided with the highly concentrated solution valve.
6. according to the said a kind of air conditioner cold and hot water unit of claim 1, it is characterized in that the circulation water for heating outlet of said evaporimeter connects the heat exchange medium import on first heat exchanger with anti-freezing solution regenerated heat retracting device.
7. according to the said a kind of air conditioner cold and hot water unit of claim 1 with anti-freezing solution regenerated heat retracting device; It is characterized in that; Heat exchange medium on said first heat exchanger is a cold-producing medium; The heat exchange medium import connects the cold-producing medium throttling arrangement through the 3rd heat pump valve, and heat exchange medium exit connects compressor.
8. according to the said a kind of air conditioner cold and hot water unit of claim 1 with anti-freezing solution regenerated heat retracting device; It is characterized in that; The interface of said compressor one end is the refrigeration import and heats import that the interface of the compressor other end exports and heat outlet for refrigeration simultaneously simultaneously; Wherein, The pipeline that the refrigeration outlet is connected with the evaporative condenser flue is provided with first refrigeration valve; The pipeline that the refrigeration import is connected with the evaporimeter flue is provided with second refrigeration valve; Heat the pipeline that is connected with the evaporimeter flue of outlet and be provided with the first heat pump valve, heat the pipeline that import is connected with the evaporative condenser flue and be provided with the second heat pump valve.
9. according to the said a kind of air conditioner cold and hot water unit of claim 1 with anti-freezing solution regenerated heat retracting device; It is characterized in that; The interface of said compressor one end is provided with first two position three way directional control valve; The interface of the compressor other end is provided with second two position three way directional control valve; Two outlets of first two position three way directional control valve are connected with the evaporimeter flue with the evaporative condenser flue through pipeline respectively, and two imports of second two position three way directional control valve are connected with the evaporimeter flue with the evaporative condenser flue through pipeline respectively.
10. according to the said a kind of air conditioner cold and hot water unit of claim 1 with anti-freezing solution regenerated heat retracting device; It is characterized in that; Simultaneously be provided with four-way change-over valve as refrigeration outlet and the interface that heats outlet on the said compressor, other three interfaces of four-way change-over valve are connected with the interface that heats import as the import of freezing through on pipeline and evaporative condenser flue, evaporimeter flue and the compressor respectively simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210100729.7A CN102620474B (en) | 2012-04-06 | 2012-04-06 | Air conditioner cold-hot water unit with antifreeze solution regenerated heat recovery device |
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| CN201210100729.7A CN102620474B (en) | 2012-04-06 | 2012-04-06 | Air conditioner cold-hot water unit with antifreeze solution regenerated heat recovery device |
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| CN102620474B CN102620474B (en) | 2014-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014023035A1 (en) * | 2012-08-06 | 2014-02-13 | 广州市华德工业有限公司 | Air conditioner heat pump set with anti-freezing solution regeneration device |
| WO2014023034A1 (en) * | 2012-08-06 | 2014-02-13 | 广州市华德工业有限公司 | Air conditioning clod-hot water unit with antifreezing solution regenerative apparatus |
| WO2014023033A1 (en) * | 2012-08-06 | 2014-02-13 | 广州市华德工业有限公司 | Anti-icing solution regeneration apparatus for use in air-conditioning system |
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| WO2014023033A1 (en) * | 2012-08-06 | 2014-02-13 | 广州市华德工业有限公司 | Anti-icing solution regeneration apparatus for use in air-conditioning system |
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| CN102620474B (en) | 2014-06-04 |
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