CN103574986A - Air conditioning water cooling and heating unit with anti-freezing solution regeneration device - Google Patents

Air conditioning water cooling and heating unit with anti-freezing solution regeneration device Download PDF

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Publication number
CN103574986A
CN103574986A CN201210278164.1A CN201210278164A CN103574986A CN 103574986 A CN103574986 A CN 103574986A CN 201210278164 A CN201210278164 A CN 201210278164A CN 103574986 A CN103574986 A CN 103574986A
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China
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cold
high temperature
heat source
temperature heat
freezing solution
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CN201210278164.1A
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CN103574986B (en
Inventor
石文星
李志明
王宝龙
张勇
李先庭
何卫国
李筱
李宁
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HUADE INDUSTRY Co Ltd GUANGZHOU CITY
Tsinghua University
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HUADE INDUSTRY Co Ltd GUANGZHOU CITY
Tsinghua University
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Priority to CN201210278164.1A priority Critical patent/CN103574986B/en
Priority to PCT/CN2012/080012 priority patent/WO2014023034A1/en
Publication of CN103574986A publication Critical patent/CN103574986A/en
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Publication of CN103574986B publication Critical patent/CN103574986B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements

Abstract

The invention discloses an air conditioning water cooling and heating unit with an anti-freezing solution regeneration device. The unit comprises a compressor, an evaporative condenser, a throttling device, an evaporator and the anti-freezing solution regeneration device, wherein the regeneration device comprises a high-temperature heat source area, an anti-freezing solution collecting plate, a low-temperature heat source area, a condensed water collecting plate, a spray shower, an air circulating fan and an air circulating duct; the moisture of a low-concentration anti-freezing solution flowing out of the spray shower is transferred to circulating air under a mass transfer effect between the low-concentration anti-freezing solution and the circulating air, the concentrated anti-freezing solution enters the anti-freezing solution collecting plate, and the solution in the anti-freezing solution collecting plate enters a high-concentration solution passage communicated with the evaporative condenser. According to the unit, the anti-freezing solution can be regenerated, and is prevented from being frozen, so that a technical support is provided for the heat getting of the air conditioning water cooling and heating unit from outdoor air through the evaporative condenser for efficient, continuous and stable heat supply.

Description

A kind of air conditioner cold and hot water unit with anti-freezing solution regenerating unit
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 regenerating unit.
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, compare 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, 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 work at low temperatures.In addition, when 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 the solution pool of evaporative condenser, water pump still have expansion rhegma risk.For addressing this problem, many by the antifreezing agents of the solution interpolation high concentration being diluted 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 regenerating unit that can realize heat recovery, the use of this unit can effectively reduce initial cost and the operating cost of refrigerated air-conditioning system.
For achieving the above object, technical scheme of the present invention is:
An air conditioner cold and hot water unit for anti-freezing solution regenerating unit, comprises compressor, evaporative condenser, throttling arrangement and evaporimeter; It is characterized in that: this unit also comprises anti-freezing solution regenerating unit, described regenerating unit comprises high temperature heat source district, anti-freezing solution catch tray, low temperature cold source region, condensed water catch tray, spray thrower, gas circulation blower fan and gas circulation air path; Wherein, described high temperature heat source district is provided with high temperature heat source, the import of described spray thrower is connected in the low concentration anti-freezing solution passage communicating with evaporative condenser, the low concentration anti-freezing solution flowing out in the described spray thrower evaporation and concentration behind high temperature heat source district of flowing through, process and described recyclegas generation effect of mass transmitting, the moisture content of low concentration anti-freezing solution is passed to recyclegas, anti-freezing solution after simultaneously concentrating enters anti-freezing solution catch tray, and the solution in described anti-freezing solution catch tray enters the highly concentrated solution passage communicating with evaporative condenser; Described low temperature cold source region is provided with low temperature cold source, and described condensed water catch tray is arranged at below, low temperature cold source region, and is provided with condensation-water drain; Described gas circulation blower fan is arranged in the gas circulation air channel that is communicated with high temperature heat source district and low temperature cold source region, to drive recyclegas to flow through low temperature cold source region from high temperature heat source district, in high temperature heat source district, absorb moisture content and separate out after condensed water in Low Temperature Thermal source region, recyclegas continues to be back to high temperature heat source district along described gas circulation air channel and circulates.
Further, the relative position arrangement in described gas circulation blower fan, high temperature heat source district and low temperature cold source region is: high temperature heat source district-gas circulation blower fan-low temperature cold source region, gas circulation blower fan-high temperature heat source district-low temperature cold source region or high temperature heat source district-low temperature cold source region-gas circulation blower fan.
Further, the carrier of described high temperature heat source and low temperature cold source is the cold-producing medium using in air conditioner cold and hot water unit.
Further, described high temperature heat source is arranged between described spray thrower and anti-freezing solution catch tray; Or described high temperature heat source is arranged at the recyclegas import department in described high temperature heat source district and the outside of described spray thrower, so that recyclegas carries out heat exchange by the below of described spray thrower after heating; Or before described high temperature heat source is arranged at the import of described spray thrower, so that low concentration anti-freezing solution first through heating, enters described spray thrower again and recyclegas carries out heat exchange.
Further, the import of described spray thrower and outlet are equipped with by-pass valve control; The import of described high temperature heat source, outlet communicate with cold-producing medium exhaust outlet, the cold-producing medium air entry of described compressor by by-pass valve control respectively; The import of described low temperature cold source, outlet communicate with liquid line, the flue of evaporative condenser by by-pass valve control respectively.
Preferably, described high temperature heat source is arranged between described spray thrower and anti-freezing solution catch tray; Described cold-producing medium flows in the high temperature heat source of coil arrangement and low temperature cold source.
Preferably, between described spray thrower and described anti-freezing solution catch tray, be provided with Sprayer Circulation pump, described anti-freezing solution catch tray is also connected with the low concentration anti-freezing solution passage in air-conditioning system.
Preferably, described highly concentrated solution passage is provided with solution pump.
Preferably, described hot and cold water unit is provided with the first refrigeration valve, the second refrigeration valve, the first heat pump valve and the second heat pump valve, wherein, described the first refrigeration valve is arranged on the connecting line of the exhaust outlet of described compressor and the flue of described evaporative condenser, described the second refrigeration valve is arranged on the connecting line of the air entry of described compressor and the flue of described evaporimeter, described the first heat pump valve is arranged on the connecting line of the exhaust outlet of described compressor and the flue of described evaporimeter, described the second heat pump valve is arranged on the connecting line of the air entry of described compressor and the flue of described evaporative condenser, the liquid line of described evaporative condenser is connected with the liquid line of described evaporimeter by described throttling arrangement.
Preferably, the exhaust outlet of described compressor is provided with the first reversal valve, and the air entry of described compressor is provided with the second reversal valve; Two outlets of described the first reversal valve are connected with the flue of described evaporative condenser and the flue of described evaporimeter respectively, and two imports of described the second reversal valve are connected with the flue of described evaporative condenser and the flue of described evaporimeter respectively simultaneously.
More preferably, described hot and cold water unit is provided with four-way change-over valve, four interfaces of described four-way change-over valve respectively with the flue of described exhaust outlet of compressor, described evaporative condenser, the air entry of the flue of described evaporimeter and described compressor be connected.
Preferably, the import of described spray thrower and outlet are equipped with by-pass valve control; The import of described high temperature heat source communicates with the cold-producing medium exhaust outlet of described compressor by by-pass valve control, and outlet communicates with the import of described low temperature cold source by the second throttling arrangement; The outlet of described low temperature cold source communicates with the flue of evaporative condenser by by-pass valve control.
Preferably, the carrier of described high temperature heat source is the cold-producing medium using in air conditioner cold and hot water unit, and the carrier of low temperature cold source is extraneous new wind; Import and the outlet of described spray thrower are equipped with by-pass valve control; The import of described high temperature heat source, outlet communicate with cold-producing medium exhaust outlet, the cold-producing medium air entry of described compressor by by-pass valve control respectively; Described low temperature cold source region is provided with heat exchanger, the new wind outlet that described heat exchanger is provided with the new wind entrance logical with the new wind facies in the external world and is communicated with described evaporative condenser, so that the new wind after recyclegas preheating is expelled to described evaporative condenser by pipeline and anti-freezing solution carries out caloic exchange.
The present invention, with respect to prior art, has following beneficial effect:
1, realized regeneration of waste liquor, avoided anti-freezing solution frozen: the low concentration anti-freezing solution in evaporative condenser and high temperature heat source and recyclegas carry out heat exchange, moisture content in low concentration anti-freezing solution is recycled gas and takes away, the concentration of low concentration solution is raise, continue to meet the antifreeze demand of system operation.
2, realize the recycling of the energy: hot and humid recyclegas and the low-temperature low-pressure refrigerant of low temperature cold source carry out heat exchange, and separate out condensed water, reclaimed the condensation heat in regenerative process, improved the energy utilization rate of system.
3, realized the frostless operation of heat pump: the low concentration anti-freezing solution in evaporative condenser is through anti-freezing solution regenerating unit, improved solution concentration, evaporative condenser and parts generation frosting thereof or icing phenomenon in the time of can avoiding heat pump working condition, realize heat pump working condition and move continuously without defrosting.
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 regenerating unit 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 structural representation of the embodiment of the present invention one.
Fig. 2 is the structural representation of the embodiment of the present invention two.
Fig. 3 is the structural representation of regenerating unit in the embodiment of the present invention three.
Fig. 4 is the structural representation of regenerating unit in the embodiment of the present invention four.
Fig. 5 is the structural representation of regenerating unit in the embodiment of the present invention five.
Fig. 6 is the structural representation of the embodiment of the present invention six.
Fig. 7 is the structural representation of the embodiment of the present invention seven.
Fig. 8 is the structural representation of the embodiment of the present invention eight.
Fig. 9 is the structural representation of the embodiment of the present invention nine.
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.
Embodiment 1
A kind of air conditioner cold and hot water unit with anti-freezing solution regenerating unit of the present embodiment, has kind of refrigeration cycle pattern and heat pump cycle pattern.As shown in Figure 1, comprise compressor 1, evaporative condenser 2, throttling arrangement 3 and evaporimeter 4; This unit also comprises anti-freezing solution regenerating unit, and described anti-freezing solution regenerating unit is arranged in the cooling water system of evaporative condenser.
This unit is provided with the first refrigeration valve 17, the second refrigeration valve 18, the first heat pump valve 19 and the second heat pump valve 20; The first refrigeration valve is arranged on the connecting line of the exhaust outlet 1a of compressor and the flue 2a of evaporative condenser, the second refrigeration valve is arranged on the connecting line of the air entry 1b of compressor and the flue 4b of evaporimeter, the first heat pump valve is arranged on the connecting line of the exhaust outlet of compressor and the flue of evaporimeter, the second heat pump valve is arranged on the connecting line of the air entry of compressor and the flue of evaporative condenser, and the liquid line 2b of evaporative condenser is connected with the liquid line 4a of evaporimeter by throttling arrangement 3.
Anti-freezing solution regenerating unit comprises: high temperature heat source 5a, solution catch tray 6a, low temperature cold source 5b, condensed water catch tray 6b, spray thrower 7, gas circulation blower fan 8 and gas circulation air path 9, gas circulation blower fan 8 is arranged in the gas circulation air channel 9 that is communicated with high temperature heat source district and low temperature cold source region, to drive recyclegas to flow through low temperature cold source region from high temperature heat source district, in high temperature heat source district, absorb moisture content and separate out after condensed water in Low Temperature Thermal source region, recyclegas continues to be back to high temperature heat source district along described gas circulation air channel and circulates.Recyclegas can adopt the gases such as air or nitrogen.In the present embodiment, the relative position arrangement in preferred gas circulating fan, high temperature heat source district and low temperature cold source region is: high temperature heat source district-gas circulation blower fan-low temperature cold source region.
High temperature heat source district and low temperature cold source district are respectively equipped with corresponding heat exchange zone, and are respectively equipped with high temperature heat source and low temperature cold source.In high temperature heat source district, the mass transfer exchanged form of recyclegas and anti-freezing solution can be following current, adverse current, mixed flow or cross-flow.The carrier of high temperature heat source and low temperature cold source is the cold-producing medium using in air conditioner cold and hot water unit operation, and this cold-producing medium preferably flows in the high temperature heat source of coil arrangement and low temperature cold source.The import of spray thrower 7 connects the low concentration solution passage 13 of evaporative condenser 2 by the 3rd heat pump valve 21, the below of spray thrower 7 is provided with high temperature heat source 5a, after the high temperature heat source 5a that the low concentration anti-freezing solution spraying out in spray thrower 7 is flowed through in high temperature heat source district, anti-freezing solution evaporation and concentration enters anti-freezing solution catch tray 6a.Concentrated solution outlet 12a in this solution catch tray 6a connects the highly concentrated solution passage of evaporative condenser 2 by the 4th heat pump valve 22, condensed water catch tray 6b is arranged at below, low temperature cold source region and is provided with condensation delivery port 12b, and condensed water can be used for corresponding air-conditioning system or do other purposes after collecting.Gas circulation blower fan is arranged in the gas circulation air channel that is communicated with high temperature heat source and low temperature cold source; The import 10a of described high temperature heat source connects the flue of evaporimeter by the 5th heat pump valve 23, the outlet 11a of high temperature heat source connects the liquid line of evaporimeter by the 6th heat pump valve 24, the import 10b of low temperature cold source connects the liquid line of evaporative condenser by the 7th heat pump valve 25, the outlet 11b of low temperature cold source connects the flue of evaporative condenser by the 8th heat pump valve 26.
The first above-mentioned refrigeration valve 17 and the second refrigeration valve 18, the first heat pump valve 19, the second heat pump valve 20, the 3rd heat pump valve 21, the 4th heat pump valve 22, the 5th heat pump valve 23, the 6th heat pump valve 24, the 7th heat pump valve 25 and the 8th heat pump valve 26, all can adopt motor-driven valve or hand-operated valve.In order to increase heat exchange area, heat exchange filler 14 also can be selected to be provided with by spray thrower lower floor.
Use principle is: during kind of refrigeration cycle pattern, open the first refrigeration valve 17 and the second refrigeration valve 18, close the first heat pump valve 19, the second heat pump valve 20, the 3rd heat pump valve 21, the 4th heat pump valve 22, the 5th heat pump valve 23, the 6th heat pump valve 24, the 7th heat pump valve 25 and the 8th heat pump valve 26, cold-producing medium enters evaporative condenser 2 by refrigeration system pipeline while becoming the gas of high-temperature high-pressure state after compressor 1 compression, after evaporative condenser 2, the gas of high-temperature high-pressure state is cooled into cryogenic high pressure liquid, and enter in evaporimeter 4 and carry out heat exchange with chilled water through throttling arrangement 3 formation low-temp low-pressure liquid, produce cold water, then refrigerant liquid carburation by evaporation being siphoned away by compressor 1 in evaporimeter 4, complete kind of refrigeration cycle pattern, during heat pump cycle pattern, open the first heat pump valve 19, the second heat pump valve 20, the 3rd heat pump valve 21, the 4th heat pump valve 22, the 5th heat pump valve 23, the 6th heat pump valve 24, the 7th heat pump valve 25 and the 8th heat pump valve 26, close the first refrigeration valve 17 and the second refrigeration valve 18, cold-producing medium enters evaporimeter 4 by refrigeration system pipeline while becoming the gas of high-temperature high-pressure state after compressor 1 compression, carry out heat exchange with low-temperature water heating, produce high-temperature-hot-water, simultaneously, the gas of high-temperature high-pressure state is cooled into cryogenic high pressure liquid, and enter evaporative condenser 2 through throttling arrangement 3 formation low-temp low-pressure liquid, then refrigerant liquid carburation by evaporation being siphoned away by compressor 1 in evaporative condenser, complete heat pump cycle pattern.
Wherein, the principle of anti-freezing solution regenerating unit is: heat pump cycle pattern, described spray thrower 7 is to high temperature heat source 5a spray low concentration solution, blower fan drives recycle gas stream to cross high temperature heat source 5a simultaneously, the high temperature refrigerant of coming from the import of high temperature heat source 5a and spray solution and recyclegas carry out mass transfer heat exchange, cold-producing medium flows away from the outlet of high temperature heat source 5a after emitting heat, after moisture content in recyclegas absorbent solution, the temperature of gas and water capacity all raise, and simultaneously after the water evaporates of solution, concentration raises and falls into after solution catch tray 6a from concentrated solution outlet outflow; Described hot and humid recyclegas continues to flow through low temperature cold source 5b, carry out mass transfer heat exchange with the low-temperature refrigerant of coming from the import of low temperature cold source 5b, the temperature of recyclegas declines and separates out condensed water, condensed water flows away from the delivery port 12b of condensed water catch tray 6b, the cold-producing medium of low temperature cold source 5b flows away from the outlet of low temperature cold source 5b after absorbing heat simultaneously, and described gas is back to high temperature heat source 5a along circulation air path 9 under the driving of blower fan 8 to be continued to circulate.
Embodiment 2
The present embodiment provides the air conditioner cold and hot water unit of another kind with anti-freezing solution regenerating unit, as shown in Figure 2, compare with embodiment 1, its difference is, in order to make the more smooth and easy evaporative condenser 2 that is back to of highly concentrated solution, concentrated solution outlet 12a in solution catch tray 6a has increased solution pump 15, makes highly concentrated solution be back to evaporative condenser 2 after 15 superchargings of solution pump.
Embodiment 3
The present embodiment is as a kind of improvement of embodiment 1, as shown in Figure 3, compare with embodiment 1, in order to be conducive to low concentration anti-freezing solution evaporation moisture content and to form concentrated solution, its difference is, increased Sprayer Circulation pump 16, the import of described Sprayer Circulation pump 16 connects solution catch tray 6a, the outlet of Sprayer Circulation pump 16 connects spray thrower 7, low concentration solution passage 13 connects solution catch tray 6a, can make like this spray solution repeatedly circulate through high temperature heat source 5a, thereby realize the requirement that the how rear solution concentration of water evaporates raises.
Embodiment 4
The present embodiment is as a kind of improvement of embodiment 1, as shown in Figure 4, compare with embodiment 1, its difference is, this regenerating unit is by described high temperature heat source for heat cycles gas, and high temperature heat source 5a is positioned at spray thrower 7 outsides, is arranged at the import department of recyclegas, the carrier of high temperature heat source 5a adopts the cold-producing medium in air-conditioning system equally, described high temperature heat source 5a can be designed to be conducive to any structure of heat cycles gas.The below of spray thrower 7 arranges heat exchange filler 14.
The recyclegas gas temperature after high temperature heat source 5a of flowing through raises, then high-temperature gas and spray solution are carried out heat exchange, after moisture content in high-temperature gas absorbent solution, the water capacity of gas raises, simultaneously after the water evaporates of solution, concentration raises and falls into after solution catch tray from concentrated solution outlet 12a outflow, and then recyclegas and low temperature cold source 5b carry out heat exchange.
Embodiment 5
The present embodiment is as a kind of improvement of embodiment 1, as shown in Figure 5, compare with embodiment 1, its difference is, this regenerating unit is used for heating low concentration solution by described high temperature heat source, and before high temperature heat source 5a is arranged at the import of described spray thrower 7, the carrier of high temperature heat source 5a adopts the cold-producing medium in air-conditioning system equally, described high temperature heat source 5a can be designed to be conducive to heat to any structure of high temperature heat source carrier, such as pipe clamp nested structure.The below of spray thrower 7 arranges heat exchange filler 14.The low concentration solution solution temperature after high temperature heat source 5a of flowing through raises, then high temperature low concentration solution carries out heat exchange with recyclegas again, after moisture content in recyclegas absorbent solution, the temperature of gas and water capacity all raise, simultaneously after the water evaporates of solution, concentration raises and falls into after solution catch tray from concentrated solution outlet 12a outflow, and then recyclegas and low temperature cold source 5b carry out heat exchange.
Embodiment 6
The present embodiment, as a kind of improvement of embodiment 1, as shown in Figure 6, is compared with embodiment 1, and its difference is, the by-pass valve control of the exhaust outlet of compressor and air entry is improved.Be specially, the exhaust outlet of described compressor is provided with the first reversal valve 27, and the air entry of compressor is provided with the second reversal valve 28; Two outlets of the first reversal valve are connected with the flue of evaporative condenser and the flue of evaporimeter respectively, and two imports of the second reversal valve are connected with the flue of evaporative condenser and the flue of evaporimeter respectively simultaneously.This first reversal valve 27, the second reversal valve 28 are electronic or manual two position three way directional control valve.
Embodiment 7
The present embodiment is as a kind of improvement of embodiment 1, as shown in Figure 7, compare with embodiment 1, its difference is, as a kind of improvement project, described hot and cold water unit is provided with four-way change-over valve 29, four interfaces of four-way change-over valve respectively with the flue of exhaust outlet of compressor, evaporative condenser, the air entry of the flue of evaporimeter and compressor be connected.
Embodiment 8
The present embodiment, as a kind of improvement of embodiment 1, as shown in Figure 8, is compared with embodiment 1, and its difference is, as a kind of improvement project, the outlet 11a of described high temperature heat source connects the import 10b of low temperature cold source by the second throttling arrangement 3 '.
Heat pump cycle pattern, open the first heat pump valve 19, the second heat pump valve 20, the 3rd heat pump valve 21, the 4th heat pump valve 22, the 5th heat pump valve 23 and the 8th heat pump valve 26, close the first refrigeration valve 17 and the second refrigeration valve 18, after emitting heat high temperature heat source, the high temperature refrigerant of coming from the import 10a of high temperature heat source 5a flows away from the outlet 11a of high temperature heat source, then, cold-producing medium enters in low temperature cold source by the import 10b of the second throttling arrangement 3 ', low temperature cold source 5b, and from the outlet 11b of low temperature cold source, flows away absorb heat in low temperature cold source after; Meanwhile, described spray thrower 7 is to high temperature heat source 5a spray low concentration solution, blower fan 8 drives recyclegas to flow through low temperature cold source region from high temperature heat source district simultaneously, in high temperature heat source district, absorb moisture content and separate out after condensed water in Low Temperature Thermal source region, recyclegas continues to be back to high temperature heat source district along described gas circulation air channel 9 and circulates.
Embodiment 9
The present embodiment is as a kind of improvement of embodiment 1, as shown in Figure 9, compare with embodiment 1, its difference is, as a kind of improvement project, the heat exchanger 5b of new wind by low temperature cold source carries out entering evaporative condenser 2 after preheating and carries out caloic exchange with solution.Wherein, the carrier of high temperature heat source is the cold-producing medium using in air conditioner cold and hot water unit, and the carrier of low temperature cold source is extraneous new wind; Described low temperature cold source region is provided with heat exchanger 5b as low temperature cold source, and this heat exchanger 5b is provided with new wind entrance 30a and outlet 30b, and outlet 30b and the evaporative condenser 2 of heat exchanger 5b pass through pipeline connection.
Heat pump cycle pattern, open the first heat pump valve 19, the second heat pump valve 20, the 3rd heat pump valve 21, the 4th heat pump valve 22, the 5th heat pump valve 23 and the 6th heat pump valve 24, close the first refrigeration valve 17 and the second refrigeration valve 18, described spray thrower 7 is to high temperature heat source 5a spray low concentration solution, blower fan 8 drives recycle gas stream to cross high temperature heat source 5a simultaneously, after emitting heat high temperature heat source, the high temperature refrigerant of coming from the import 10a of high temperature heat source 5a flows away from the outlet 11a of high temperature heat source, after moisture content in recyclegas absorption anti-freezing solution, temperature and the water capacity of gas all raise, simultaneously after the water evaporates of anti-freezing solution, concentration raises and falls into after anti-freezing solution catch tray 6a from concentrated solution outlet outflow, then, blower fan 8 drives recycle gas stream to cross low temperature cold source district, carries out separating out condensed water after heat exchange with the new wind in the external world, and recyclegas continues to be back to high temperature heat source district along described gas circulation air channel 9 and circulates.Meanwhile, after extraneous new wind carries out preheating by low temperature cold source 5b, temperature raises, and enters evaporative condenser 2 and carry out caloic exchange with anti-freezing solution.This embodiment can improve the heat transfer effect of evaporative condenser.
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, contained.

Claims (12)

1. with an air conditioner cold and hot water unit for anti-freezing solution regenerating unit, it is characterized in that, comprise compressor, evaporative condenser, throttling arrangement and evaporimeter; It is characterized in that: this unit also comprises anti-freezing solution regenerating unit, described regenerating unit comprises high temperature heat source district, anti-freezing solution catch tray, low temperature cold source region, condensed water catch tray, spray thrower, gas circulation blower fan and gas circulation air path; Wherein,
Described high temperature heat source district is provided with high temperature heat source, the import of described spray thrower is connected in the low concentration anti-freezing solution passage communicating with evaporative condenser, the low concentration anti-freezing solution flowing out in the described spray thrower evaporation and concentration behind high temperature heat source district of flowing through enters anti-freezing solution catch tray, and the solution in described anti-freezing solution catch tray enters the highly concentrated solution passage communicating with evaporative condenser;
Described low temperature cold source region is provided with low temperature cold source, and described condensed water catch tray is arranged at below, low temperature cold source region, and is provided with condensation-water drain;
Described gas circulation blower fan is arranged in the gas circulation air channel that is communicated with high temperature heat source district and low temperature cold source region, to drive recyclegas to flow through , high temperature heat source district, low temperature cold source region absorption moisture content from high temperature heat source district and continue to be back to high temperature heat source district along described gas circulation air channel condensed water is separated out in Low Temperature Thermal source region, circulate.
2. air conditioner cold and hot water unit as claimed in claim 1, is characterized in that: the relative position arrangement in described gas circulation blower fan, high temperature heat source district and low temperature cold source region is: high temperature heat source district-gas circulation blower fan-low temperature cold source region, gas circulation blower fan-high temperature heat source district-low temperature cold source region or high temperature heat source district-low temperature cold source region-gas circulation blower fan.
3. air conditioner cold and hot water unit as claimed in claim 1 or 2, is characterized in that, described high temperature heat source is arranged between described spray thrower and anti-freezing solution catch tray; Or described high temperature heat source is arranged at the recyclegas import department in described high temperature heat source district and the outside of described spray thrower, so that recyclegas carries out heat exchange by the below of described spray thrower after heating; Or before described high temperature heat source is arranged at the import of described spray thrower, so that low concentration anti-freezing solution first through heating, enters described spray thrower again and recyclegas carries out heat exchange.
4. as the air conditioner cold and hot water unit as described in arbitrary in claim 1-3, it is characterized in that: the carrier of described high temperature heat source and low temperature cold source is the cold-producing medium using in air conditioner cold and hot water unit.
5. as the air conditioner cold and hot water unit as described in arbitrary in claim 1-3, it is characterized in that: import and the outlet of described spray thrower are equipped with by-pass valve control; The import of described high temperature heat source, outlet communicate with cold-producing medium exhaust outlet, the cold-producing medium air entry of described compressor by by-pass valve control respectively; The import of described low temperature cold source, outlet communicate with liquid line, the flue of evaporative condenser by by-pass valve control respectively.
6. as the air conditioner cold and hot water unit as described in arbitrary in claim 1-3, it is characterized in that, import and the outlet of described spray thrower are equipped with by-pass valve control; The import of described high temperature heat source communicates with the cold-producing medium exhaust outlet of described compressor by by-pass valve control, and outlet communicates with the import of described low temperature cold source by the second throttling arrangement; The outlet of described low temperature cold source communicates with the flue of evaporative condenser by by-pass valve control.
7. the air conditioner cold and hot water unit as described in claim 5 or 6, is characterized in that: described high temperature heat source is arranged between described spray thrower and anti-freezing solution catch tray; Described cold-producing medium flows in the high temperature heat source of coil arrangement and low temperature cold source.
8. as the air conditioner cold and hot water unit as described in arbitrary in claim 1-3, it is characterized in that: the carrier of described high temperature heat source is the cold-producing medium using in air conditioner cold and hot water unit, the carrier of low temperature cold source is extraneous new wind; Import and the outlet of described spray thrower are equipped with by-pass valve control; The import of described high temperature heat source, outlet communicate with cold-producing medium exhaust outlet, the cold-producing medium air entry of described compressor by by-pass valve control respectively; Described low temperature cold source region is provided with heat exchanger, the new wind outlet that described heat exchanger is provided with the new wind entrance logical with the new wind facies in the external world and is communicated with described evaporative condenser, so that the new wind after recyclegas preheating is expelled to described evaporative condenser by pipeline.
9. as the air conditioner cold and hot water unit as described in arbitrary in claim 1-8, it is characterized in that: between described spray thrower and described anti-freezing solution catch tray, be provided with Sprayer Circulation pump, described anti-freezing solution catch tray is also connected with the low concentration anti-freezing solution passage in air-conditioning system.
10. as the air conditioner cold and hot water unit as described in arbitrary in claim 1-8, it is characterized in that: described highly concentrated solution passage is provided with solution pump.
11. as air conditioner cold and hot water unit as described in arbitrary in claim 1-8, it is characterized in that: described hot and cold water unit is provided with the first refrigeration valve, the second refrigeration valve, the first heat pump valve and the second heat pump valve, wherein, described the first refrigeration valve is arranged on the connecting line of the exhaust outlet of described compressor and the flue of described evaporative condenser, described the second refrigeration valve is arranged on the connecting line of the air entry of described compressor and the flue of described evaporimeter, described the first heat pump valve is arranged on the connecting line of the exhaust outlet of described compressor and the flue of described evaporimeter, described the second heat pump valve is arranged on the connecting line of the air entry of described compressor and the flue of described evaporative condenser, the liquid line of described evaporative condenser is connected with the liquid line of described evaporimeter by described throttling arrangement.
12. as air conditioner cold and hot water unit as described in arbitrary in claim 1-8, it is characterized in that: the exhaust outlet of described compressor is provided with the first reversal valve, and the air entry of described compressor is provided with the second reversal valve; Two outlets of described the first reversal valve are connected with the flue of described evaporative condenser and the flue of described evaporimeter respectively, and two imports of described the second reversal valve are connected with the flue of described evaporative condenser and the flue of described evaporimeter respectively simultaneously; Or described hot and cold water unit is provided with four-way change-over valve, four interfaces of described four-way change-over valve respectively with the flue of described exhaust outlet of compressor, described evaporative condenser, the air entry of the flue of described evaporimeter and described compressor be connected.
CN201210278164.1A 2012-08-06 2012-08-06 A kind of air conditioner cold and hot water unit of band anti-freezing solution regenerating unit Active CN103574986B (en)

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