CN102620474B - 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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- CN102620474B CN102620474B CN201210100729.7A CN201210100729A CN102620474B CN 102620474 B CN102620474 B CN 102620474B CN 201210100729 A CN201210100729 A CN 201210100729A CN 102620474 B CN102620474 B CN 102620474B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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 to provide heat energy to heat-obtaining in outdoor air and for the air conditioner cold and hot water unit in winter, to realize important channel efficient, stable heating, compared with air source heat pump, its heat exchange efficiency is high, save heat exchanger materials, can realize continuous heat supply, there is significant energy-saving and emission-reduction prospect.But, in at present conventional air conditioner cold and hot water unit, when the refrigerating medium in evaporative condenser (cooling water) temperature is during lower than 0 ℃, refrigerating medium will glaciation, may there is the danger that is inflated rhegma in the parts of evaporative condenser and connection thereof, if at this moment can obtain the anti-freezing solution of suitable concn, can guarantee that each parts normally work at low temperatures.In addition, in the time of heat pump working condition, evaporative condenser is after air heat-obtaining, and the temperature of air reduces, and can make airborne condensate moisture, this partial condensation water enters in anti-freezing solution, to cause again anti-freezing solution dilution, along with anti-freezing solution concentration reduces, the freezing point of anti-freezing solution can improve, as improved not in time the concentration (or claiming regeneration of waste liquor) of anti-freezing solution, the parts such as solution pool, water pump of evaporative condenser still have expansion rhegma risk.For addressing this problem, many antifreezing agents that the solution being diluted added to high concentration at present, the anti-freezing solution being diluted overflowing is left in indoor or underground solution holding vessel, after outdoor temperature raises, again weak solution is pumped in evaporative condenser, utilize airborne energy to realize regeneration of waste liquor, the method must need the very antifreezing agent of high concentration, jumbo concentrated solution and weak solution holding vessel, cause antifreezing agent use amount large, solution storage area is huge, the high operating cost with increasing antifreezing agent of initial cost, greatly limited evaporative condenser as the air conditioner cold and hot water unit of heat pump heat-obtaining device the applicable region in low temp area.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of safe and reliable, can stablize and improve anti-freezing solution concentration, and the air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device that can realize heat recovery, the use of this unit effectively reduces 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 respectively the flue of evaporative condenser and the flue of evaporimeter, the interface of the compressor other end connects respectively the flue of evaporative condenser and the flue of evaporimeter simultaneously, and the connecting pipe at throttling arrangement place connects respectively the liquid line of evaporimeter and the liquid line of evaporative condenser; The cooling water system of evaporative condenser is provided with anti-freezing solution regenerated heat retracting device;
Described anti-freezing solution regenerated heat retracting device comprises regeneration container and water vapour condensation heat recover, between regeneration container and water vapour condensation heat recover, is connected by water vapour passage; In regeneration container, be provided with heater, regeneration container is also connected with evaporative condenser with high concentration anti-freezing solution passage by low concentration anti-freezing solution passage respectively; In water vapour condensation heat recover, be provided with the first heat exchanger, be respectively equipped with heat exchange medium import and heat exchange medium exit on the first heat exchanger, heat exchange medium is circulation water for heating; Water vapour condensation heat recover is provided with condensation-water drain.
Described 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 the second heat exchanger, the second heat exchanger is provided with low concentration solution import and highly concentrated solution outlet, low concentration anti-freezing solution passage passes the second heat exchanger inside and communicates with low concentration solution import, and high concentration anti-freezing solution passage passes the second heat exchanger inside and communicates with highly concentrated solution import.Low concentration anti-freezing solution and high concentration anti-freezing solution carry out primary heat exchange in the second heat exchanger, have reclaimed sensible heat the preliminary heating low concentration anti-freezing solution of high concentration anti-freezing solution, can effectively improve the regenerated heat organic efficiency in regeneration container.
Described regeneration container and water vapour condensation heat recover are located in same hollow cylinder or casing, both can take up an area by saving equipment, improve the compactness of device, also can reduce heat radiation simultaneously, effectively improve the regenerated heat rate of recovery; The first heat exchanger below is provided with water pond, the low concentration solution import department of the second heat exchanger is provided with the 3rd heat exchanger, the 3rd heat exchanger is connected with water pond by condensing water conduit, condensing water conduit is condensation-water drain through the 3rd heat exchanger and end, low concentration anti-freezing solution passage is successively through the second heat exchanger and the 3rd heat exchanger, and the end of low concentration anti-freezing solution passage is low concentration solution import.Receive the condensed water in water vapour condensation heat recover by water pond, and the preheating for low concentration anti-freezing solution by the waste heat of condensed water, realize the secondary preheating to low concentration anti-freezing solution, can improve more significantly the regenerated heat organic efficiency in regeneration container; In addition, also can, by the design of arranging to low concentration anti-freezing solution passage, high concentration anti-freezing solution passage, condensation water channel and water vapour passage, 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.
Described low concentration anti-freezing solution passage and the parallel connection of high concentration anti-freezing solution passage are located in regeneration container, and low concentration anti-freezing solution passage is provided with low concentration solution valve, and high concentration anti-freezing solution passage is provided with highly concentrated solution valve.
The circulation water for heating outlet of described evaporimeter connects the heat exchange medium import on the first heat exchanger, and the now series connection of the circulation water for heating in evaporimeter and the first heat exchanger arranges.
The cold-producing medium that heat exchange medium on described the first heat exchanger is unit, heat exchange medium import connects cold-producing medium throttling arrangement by the 3rd heat pump valve, and heat exchange medium exit connects compressor.
The interface of described compressor one end is refrigeration import and heat import simultaneously, and the interface of the compressor other end is simultaneously for refrigeration exports and heat outlet; Wherein, the pipeline that refrigeration outlet is connected with evaporative condenser flue is provided with the first refrigeration valve, the pipeline that refrigeration import is connected with evaporimeter flue is provided with the second refrigeration valve, heat the pipeline that is connected with evaporimeter flue of outlet and be provided with the first heat pump valve, heat the pipeline that import is connected with evaporative condenser flue and be provided with the second heat pump valve.
The interface of described compressor one end is provided with the first two position three way directional control valve, the interface of the compressor other end is provided with the second two position three way directional control valve, two outlets of the first two position three way directional control valve are connected with evaporative condenser flue and evaporimeter flue by pipeline respectively, and two imports of the second two position three way directional control valve are connected with evaporative condenser flue and evaporimeter flue by pipeline respectively.
On described compressor, be simultaneously provided with four-way change-over valve as refrigeration outlet and the interface that heats outlet, other three interfaces of four-way change-over valve respectively by pipeline with on evaporative condenser flue, evaporimeter flue and compressor, be connected as the interface that freezes import and heat import simultaneously.
In said apparatus structure, described 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.Described the first heat exchanger, the second heat exchanger and the 3rd heat exchanger all can adopt fin tube type, shell-and-tube, bushing type or board-like heat exchanger.Described low concentration solution valve, highly concentrated solution valve, the first refrigeration valve, the second refrigeration valve, the first heat pump valve and the second heat pump valve all can adopt motor-driven valve or hand-operated valve.Described the first two position three way directional control valve and the second two position three way directional control valve all can adopt electronic or pneumatic two position three way directional control valve.
When this air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device uses, its principle is: compressor, evaporative condenser, throttling arrangement, evaporimeter form kind of refrigeration cycle pattern simultaneously and heat circulation pattern; When as kind of refrigeration cycle pattern, solution is sent by the refrigeration outlet of compressor, passes through successively evaporative condenser, throttling arrangement and evaporimeter, finally enters compressor by the refrigeration import of compressor, thereby forms kind of refrigeration cycle pattern; When heating circulation pattern, solution is sent by the outlet that heats of compressor, passes through successively evaporimeter, throttling arrangement and evaporative condenser, finally enter compressor by the import that heats of compressor, thereby formation heats circulation pattern.Wherein, the principle of anti-freezing solution regenerated heat retracting device is: the low concentration anti-freezing solution in evaporative condenser enters regeneration container from low concentration anti-freezing solution passage, by heater, low concentration anti-freezing solution is carried out to heating evaporation, the high-temperature water vapor producing is delivered to water vapour condensation heat recover from water vapour passage, and the high concentration anti-freezing solution obtaining after heating evaporation is sent from high concentration anti-freezing solution passage; Water vapour carries out heat exchange by the first heat exchanger and heat exchange medium (circulation water for heating or cold-producing medium) in water vapour condensation heat recover, after water vapour is cooled, sends from condensation-water drain.
The present invention, with respect to prior art, has following beneficial effect:
1, realized regeneration of waste liquor, avoid anti-freezing solution frozen: the low concentration anti-freezing solution in from evaporative condenser to regeneration container is through the heat effect of heater, evaporate high-temperature water vapor, after making weak solution be transformed into concentrated solution, return to evaporative condenser, guarantee that the anti-freezing solution concentration in evaporative condenser remains on proper level, continued to meet the antifreeze demand of system operation.
2, realize the recycling of the regeneration of waste liquor energy: the low concentration anti-freezing solution in thermal regeneration container and the high-temperature water vapor that produces enters water vapour condensation heat recover by water vapour passage, carry out heat exchange with circulation water for heating or cold-producing medium in the 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 is raise, the energy that heating and anti-freezing solution consumes is recycled utilization by water vapour condensation exotherm, evaporating temperature while simultaneously improving heat pump working condition, unit performance and operation stability, in addition, low concentration anti-freezing solution and high concentration anti-freezing solution carry out heat exchange in the first heat exchanger, the second heat exchanger, have reclaimed the sensible heat of solution.The comprehensive function of the two, has reclaimed the energy consuming for heating and anti-freezing solution.
3, realized the frostless operation of heat pump: the low concentration anti-freezing solution in evaporative condenser is through anti-freezing solution regenerated heat retracting device, improve solution concentration, evaporative condenser and parts generation frosting thereof or icing phenomenon can avoid heat pump working condition time, make heat pump working condition realize operation continuously, avoid the long-term discontinuity defrosting of air-cooled heat pump, affected heat pump effect.
The fresh water of 4, being discharged by condensation-water drain can be used as the water source of the equipment such as domestic water and indoor humidification, has realized water resource and has recycled.
5, this anti-freezing solution regenerated heat retracting device for air conditioner cold and hot water unit by evaporative condenser heat-obtaining from outdoor air realize efficient, continuously, stable heating provides technical guarantee, and effectively expanded and adopt the air source heat pump of evaporative condenser in the scope of application of low temp area.
Accompanying drawing explanation
Fig. 1 is the principle schematic of this air conditioner cold and hot water unit.
Fig. 2 increases the principle schematic after solution pump in this air conditioner cold and hot water unit.
Fig. 3 is that in this air conditioner cold and hot water unit, anti-freezing solution regenerated heat retracting device increases the principle schematic after the second heat exchanger.
Fig. 4 is that in this air conditioner cold and hot water unit, anti-freezing solution regenerated heat retracting device increases the principle schematic after the second heat exchanger and the 3rd heat exchanger.
Fig. 5 is principle schematic when low concentration anti-freezing solution passage and high concentration anti-freezing solution passage are arranged in parallel in anti-freezing solution regenerated heat retracting device in this air conditioner cold and hot water unit.
Fig. 6 is the principle schematic that in this air conditioner cold and hot water unit, the series connection of the circulation water for heating in evaporimeter and the first heat exchanger arranges.
Fig. 7 is the principle schematic that the heat exchange medium in this air conditioner cold and hot water unit the first heat exchanger is cold-producing medium.
Fig. 8 adopts the principle schematic after two position three way directional control valve in this air conditioner cold and hot water unit.
Fig. 9 adopts the principle schematic after 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 described in further detail, but embodiments of the present invention are not limited to this.
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 1, comprise compressor 1, evaporative condenser 2, throttling arrangement 3, evaporimeter 4 and anti-freezing solution regenerated heat retracting device (as shown in dashed rectangle inside in figure), the interface of compressor 1 one end connects respectively the flue of evaporative condenser 2 and the flue of evaporimeter 4, the interface of compressor 1 other end connects respectively the flue of evaporative condenser 2 and the flue of evaporimeter 4 simultaneously, the connecting pipe at throttling arrangement 3 places connects respectively the liquid line of evaporimeter and the liquid line of evaporative condenser, 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, between regeneration container and water vapour condensation heat recover, is connected by water vapour passage 7; In regeneration container, be provided with heater 6, regeneration container is also connected with evaporative condenser with high concentration anti-freezing solution passage 14 by low concentration anti-freezing solution passage 13 respectively; In water vapour condensation heat recover, be provided with on the first heat exchanger 9, the first heat exchangers 9 and be respectively equipped with heat exchange medium import 11 and heat exchange medium exit 12, heat exchange medium is circulation water for heating; Water vapour condensation heat recover 8 is provided with condensation-water drain 10.
The interface 30 of compressor 1 one end exports and heats outlet for refrigeration simultaneously, and the interface 31 of compressor 1 other end is refrigeration import simultaneously and heats import; Wherein, the pipeline that refrigeration outlet is connected with evaporative condenser flue is provided with the first refrigeration valve 23, the pipeline that refrigeration import is connected with evaporimeter flue is provided with the second refrigeration valve 24, heat the pipeline that is connected with evaporimeter flue of outlet and be provided with the first heat pump valve 25, heat the pipeline that import is connected with evaporative condenser flue and be provided with the second heat pump valve 26.
When this air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device uses, its principle is: compressor 1, evaporative condenser 2, throttling arrangement 3, evaporimeter 4 form kind of refrigeration cycle pattern simultaneously and heat circulation pattern; When as kind of refrigeration cycle pattern, solution is sent by the refrigeration outlet 31 of compressor 1, passes through successively evaporative condenser 2, throttling arrangement 3 and evaporimeter 4, finally enters compressor by the refrigeration import 30 of compressor 1, thereby forms kind of refrigeration cycle pattern; When heating circulation pattern, solution is sent by the outlet 30 that heats of compressor 1, passes through successively evaporimeter 4, throttling arrangement 3 and evaporative condenser 2, finally enter compressor by the import 31 that heats of compressor 1, thereby formation heats circulation pattern.Wherein, the principle of anti-freezing solution regenerated heat retracting device is: the low concentration anti-freezing solution in evaporative condenser 2 enters regeneration container 5 from low concentration anti-freezing solution passage 13, by heater 6, low concentration anti-freezing solution is carried out to heating evaporation, the high-temperature water vapor producing is delivered to water vapour condensation heat recover 8 from water vapour passage 7, and the high concentration anti-freezing solution obtaining after heating evaporation is sent from high concentration anti-freezing solution passage 14; Water vapour carries out heat exchange by the first heat exchanger 9 with heat exchange medium (circulation water for heating) in water vapour condensation heat recover 8, after water vapour is cooled, sends from condensation-water drain 10.
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 2, compares with embodiment 1, and its difference is, high concentration anti-freezing solution passage 14 is provided with solution pump 15.
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 3, compare with embodiment 1, its difference is, anti-freezing solution regenerated heat retracting device also comprises the second heat exchanger 16, the second heat exchanger is provided with low concentration solution import 17 and highly concentrated solution outlet 18, low concentration anti-freezing solution passage 13 passes the second heat exchanger 16 inside and communicates with low concentration solution import 17, and high concentration anti-freezing solution passage 14 passes the 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 the second heat exchanger, have reclaimed sensible heat the preliminary heating low concentration anti-freezing solution of high concentration anti-freezing solution, can effectively improve the regenerated heat organic efficiency in regeneration container.
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, 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 casing, both can take up an area by saving equipment, improve the compactness of device, also can reduce heat radiation, effectively improve the regenerated heat rate of recovery simultaneously; The first heat exchanger below is provided with water pond 19, the low concentration solution import department of the second heat exchanger 16 is provided with the 3rd heat exchanger 20, the 3rd heat exchanger is connected with water pond 19 by condensing water conduit, condensing water conduit is condensation-water drain 10 through the 3rd heat exchanger 20 and end, low concentration anti-freezing solution passage 13 is successively through the second heat exchanger 16 and the 3rd heat exchanger 20, and the end of low concentration anti-freezing solution passage 13 is low concentration solution import 17.Receive the condensed water in water vapour condensation heat recover by water pond 19, and the preheating for low concentration anti-freezing solution by the waste heat of condensed water, realize the secondary preheating to low concentration anti-freezing solution, can improve more significantly the regenerated heat organic efficiency in regeneration container; In addition, also can, by the design of arranging to low concentration anti-freezing solution passage, high concentration anti-freezing solution passage, condensation water channel and water vapour passage, 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.
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 5, compare with embodiment 1, its difference is, low concentration anti-freezing solution passage 13 and 14 parallel connections of high concentration anti-freezing solution passage are located in regeneration container, 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.In the time that the concentration of anti-freezing solution reduces, low concentration solution valve 21, closes highly concentrated solution valve 22, the anti-freezing solution of low concentration is introduced to regeneration container 5 by low concentration anti-freezing solution passage 13, after heater via heat effect, evaporate high-temperature vapor, make weak solution be transformed into concentrated solution; In the time that the concentration of anti-freezing solution in 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 sent by high concentration anti-freezing solution passage 14.
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 6, compare with embodiment 1, its difference is, the circulation water for heating outlet of evaporimeter 4 connects the heat exchange medium import 11 on the first heat exchanger 9, and the now series connection of the circulation water for heating in evaporimeter 4 and the first heat exchanger 9 arranges.
Embodiment 7
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 7, compare with embodiment 1, its difference is, the cold-producing medium that heat exchange medium on the first heat exchanger 9 is unit, heat exchange medium import 11 connects cold-producing medium throttling arrangement 3 by the 3rd heat pump valve 32, and heat exchange medium exit 12 connects compressor 1; Now water vapour carries out heat exchange by the first heat exchanger 9 with heat exchange medium (cold-producing medium) in water vapour condensation heat recover 8.
Embodiment 8
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 8, compare with embodiment 1, its difference is, interface 30 places of compressor one end are provided with the first two position three way directional control valve 27, the interface 31 of the compressor other end is provided with the second two position three way directional control valve 28, two outlets of the first two position three way directional control valve 27 are connected with evaporative condenser flue and evaporimeter flue by pipeline respectively, two imports of the second two position three way directional control valve 28 are connected with evaporative condenser flue and evaporimeter flue by pipeline respectively.Thereby save the first refrigeration valve 23, the second refrigeration valve 24, the first heat pump valve 25 and the second heat pump valve 26 at the interface at compressor two ends.
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 9, compare with embodiment 1, its difference is, on compressor, be simultaneously provided with four-way change-over valve 29 as refrigeration outlet and the interface that heats outlet, other three interfaces of four-way change-over valve 29 respectively by pipeline with on evaporative condenser flue, evaporimeter flue and compressor, be connected as the interface that freezes import and heat import simultaneously.Thereby save the first refrigeration valve 23, the second refrigeration valve 24, the first heat pump valve 25 and the second heat pump valve 26 at the interface at compressor two ends.
In the apparatus structure of the various embodiments described above, described 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.Described the first heat exchanger, the second heat exchanger and the 3rd heat exchanger all can adopt fin tube type, shell-and-tube, bushing type or board-like heat exchanger.Described low concentration solution valve, highly concentrated solution valve, the first refrigeration valve, the second refrigeration valve, the first heat pump valve and the second heat pump valve all can adopt motor-driven valve or hand-operated valve.Described the first two position three way directional control valve and the second two position three way directional control valve all can adopt electronic or pneumatic two position three way directional control valve.
As mentioned above, just can realize preferably the present invention, above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modify, all by the claims in the present invention scope required for protection is contained.
Claims (10)
1. the 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 respectively the flue of evaporative condenser and the flue of evaporimeter, the interface of the compressor other end connects respectively the flue of evaporative condenser and the flue of evaporimeter simultaneously, and the connecting pipe at throttling arrangement place connects respectively the liquid line of evaporimeter and the liquid line of evaporative condenser; The cooling water system of evaporative condenser is provided with anti-freezing solution regenerated heat retracting device;
Described anti-freezing solution regenerated heat retracting device comprises regeneration container and water vapour condensation heat recover, between regeneration container and water vapour condensation heat recover, is connected by water vapour passage; In regeneration container, be provided with heater, regeneration container is also connected with evaporative condenser with high concentration anti-freezing solution passage by low concentration anti-freezing solution passage respectively; In water vapour condensation heat recover, be provided with the first heat exchanger, be respectively equipped with heat exchange medium import and heat exchange medium exit on the 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. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 1, is characterized in that, described high concentration anti-freezing solution passage is provided with solution pump.
3. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, also comprise the second heat exchanger, the second heat exchanger is provided with low concentration solution import and highly concentrated solution outlet, low concentration anti-freezing solution passage passes the second heat exchanger inside and communicates with low concentration solution import, and high concentration anti-freezing solution passage communicates through the second heat exchanger inside and with highly concentrated solution outlet.
4. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 3, is characterized in that, described regeneration container and water vapour condensation heat recover are located in same hollow cylinder or casing; The first heat exchanger below is provided with water pond, the low concentration solution import department of the second heat exchanger is provided with the 3rd heat exchanger, the 3rd heat exchanger is connected with water pond by condensing water conduit, condensing water conduit is condensation-water drain through the 3rd heat exchanger and end, low concentration anti-freezing solution passage is successively through the second heat exchanger and the 3rd heat exchanger, and the end of low concentration anti-freezing solution passage is low concentration solution import.
5. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, described low concentration anti-freezing solution passage and the parallel connection of high concentration anti-freezing solution passage are located in regeneration container, low concentration anti-freezing solution passage is provided with low concentration solution valve, and high concentration anti-freezing solution passage is provided with highly concentrated solution valve.
6. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 1, is characterized in that, the circulation water for heating outlet of described evaporimeter connects the heat exchange medium import on the first heat exchanger.
7. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, heat exchange medium on described the first heat exchanger is cold-producing medium, heat exchange medium import connects cold-producing medium throttling arrangement by the 3rd heat pump valve, and heat exchange medium exit connects compressor.
8. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, the interface of described compressor one end is refrigeration import and heat import simultaneously, and the interface of the compressor other end is simultaneously for refrigeration exports and heat outlet; Wherein, the pipeline that refrigeration outlet is connected with evaporative condenser flue is provided with the first refrigeration valve, the pipeline that refrigeration import is connected with evaporimeter flue is provided with the second refrigeration valve, heat the pipeline that is connected with evaporimeter flue of outlet and be provided with the first heat pump valve, heat the pipeline that import is connected with evaporative condenser flue and be provided with the second heat pump valve.
9. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, the interface of one end of described compressor is provided with the first two position three way directional control valve, the interface of the compressor other end is provided with the second two position three way directional control valve, two outlets of the first two position three way directional control valve are connected with evaporative condenser flue and evaporimeter flue by pipeline respectively, and two imports of the second two position three way directional control valve are connected with evaporative condenser flue and evaporimeter flue by pipeline respectively.
10. a kind of air conditioner cold and hot water unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, on described compressor, be simultaneously provided with four-way change-over valve as refrigeration outlet and the interface that heats outlet, other three interfaces of four-way change-over valve respectively by pipeline with on evaporative condenser flue, evaporimeter flue and compressor, be connected as the interface that freezes import and heat import simultaneously.
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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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| CN103574986B (en) * | 2012-08-06 | 2016-08-31 | 广州市华德工业有限公司 | A kind of air conditioner cold and hot water unit of band anti-freezing solution regenerating unit |
| CN103574801A (en) * | 2012-08-06 | 2014-02-12 | 广州市华德工业有限公司 | Anti-freezing solution regenerating device for air-conditioning system |
| CN103574967B (en) * | 2012-08-06 | 2016-06-01 | 广州市华德工业有限公司 | The air conditioner and heat pump unit of a kind of band anti-freezing solution regenerating unit |
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| CN202547185U (en) * | 2012-04-06 | 2012-11-21 | 广州市华德工业有限公司 | Air conditioner water chilling and heating unit with anti-freezing solution regenerated heat recovery device |
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| US3854302A (en) * | 1972-09-13 | 1974-12-17 | Sakura Refrigerating & Heating | Defroster for a refrigerating system |
| JP2004209353A (en) * | 2002-12-27 | 2004-07-29 | Shikoku Electric Power Co Inc | Antifreeze concentration device |
| CN1632421A (en) * | 2004-12-31 | 2005-06-29 | 江苏双良空调设备股份有限公司 | Lithium brominate absorptive-type refrigerator with absorption solution regulation and antifreeze device |
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| KR20110083261A (en) * | 2010-01-14 | 2011-07-20 | 김종석 | The double evaporation pipe type heat pump apparatus |
| KR20110130086A (en) * | 2010-05-27 | 2011-12-05 | 김종석 | The heat pump system have to double pipe type evaporater for of cooling and heating water production to very stability the same time driving mode heat pump cycle |
| CN202547185U (en) * | 2012-04-06 | 2012-11-21 | 广州市华德工业有限公司 | Air conditioner water chilling and heating unit with anti-freezing solution regenerated heat recovery device |
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