CN109579178A - A kind of air-conditioning system and its application method and sea water desalination application method - Google Patents

A kind of air-conditioning system and its application method and sea water desalination application method Download PDF

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Publication number
CN109579178A
CN109579178A CN201811213326.7A CN201811213326A CN109579178A CN 109579178 A CN109579178 A CN 109579178A CN 201811213326 A CN201811213326 A CN 201811213326A CN 109579178 A CN109579178 A CN 109579178A
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China
Prior art keywords
air
conditioning system
evaporation
heat exchanger
cooling
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Pending
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CN201811213326.7A
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Chinese (zh)
Inventor
周明新
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Shandong Industrial Technology Research Institute of ZJU
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Shandong Industrial Technology Research Institute of ZJU
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Priority to CN201811213326.7A priority Critical patent/CN109579178A/en
Publication of CN109579178A publication Critical patent/CN109579178A/en
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Classifications

    • 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
    • F24F5/0007Air-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 cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035Air-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 cooling apparatus specially adapted for use in air-conditioning using evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1411Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F24F3/1423Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
    • 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
    • F24F5/0046Air-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 using natural energy, e.g. solar energy, energy from the ground
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/1458Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators
    • 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
    • F24F5/0046Air-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 using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064Air-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 using natural energy, e.g. solar energy, energy from the ground using solar energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination

Abstract

The present invention relates to air-conditioning technical fields, more particularly to a kind of air-conditioning system and its application method and sea water desalination application method, air-conditioning system comprising: desiccant wheel, crossflow heat exchanger, evaporation-cooled device, solar thermal collector, electrical auxiliary heater, condenser and water tank.The system generates regeneration air using solar energy, realizes desalting process by atmospheric heat, produces enough distilled water, keeps further saving the energy on the basis of air conditioning performance to realize.

Description

A kind of air-conditioning system and its application method and sea water desalination application method
Technical field
The present invention relates to air-conditioning technical fields, and in particular to a kind of air-conditioning system and its application method and sea water desalination application Method.
Background technique
With environmental degradation, global warming, constantly breakthrough high temperature limit.On the one hand due to hot weather, to the need of air-conditioning Ask very big, on the other hand, sweltering heat causes earth's surface dry, to the rush of demand of desalination water.Tradition will meet the two demands, Water desalination apparatus and air-conditioning device are needed, the two devices are completed by the separated a large amount of energy of unit consumption.Cause This, it is necessary to water desalination apparatus is combined with air-conditioning device group, to reach energy-efficient purpose.
Solar energy is a kind of renewable sources of energy, it to environment using be it is safe, can be very good to realize energy-efficient purpose.And And solar energy both can be used in air-conditioning system, be also applied to the process of sea water desalination, it can be by sea water desalination by solar energy Device and air-conditioning device combine well.
Air conditioner refrigerating device is humidified being used in combination for dehumidifying desalination plant with solar energy by someone, the results showed that, with The raising of outside air humidity and temperature and the raising of heating unit temperature, production, cooling capacity and the power consumption of distillate Increase.
The object of the present invention is to provide a kind of completely new air-conditioning systems, generate regeneration air using solar energy, pass through air Heat realizes desalting process, produces enough distilled water, keeps further saving on the basis of air conditioning performance to realize The energy.
Summary of the invention
Technical solution provided by the present invention is a kind of completely new air-conditioning system, generates regeneration air using solar energy, leads to It crosses atmospheric heat and realizes desalting process, produce enough distilled water, thus into one on the basis of realizing holding air conditioning performance It walks energy saving.
Based on this, the present invention provides a kind of completely new air-conditioning system comprising desiccant wheel, crossflow heat exchanger, steaming Send out cooling device, solar thermal collector, electrical auxiliary heater, condenser and water tank.
Wherein, the quantity of the evaporation-cooled device is 2.
Wherein, the solar thermal collector is preferably that binary channels V-type absorbs template solar thermal collector.
Wherein, the desiccant wheel is connect by pipeline with crossflow heat exchanger, and crossflow heat exchanger and evaporation are cold But device is connected, and evaporation-cooled device is connect with room, and crossflow heat exchanger also absorbs plate and solar collection with binary channels V-type Hot device is connected, and solar thermal collector is connected with auxiliary heater, and auxiliary heater is connected with desiccant wheel, desiccant wheel with Condenser is connected, and condenser is connect with water tank.
The present invention also provides the application methods of above-mentioned air-conditioning system comprising:
Air enters desiccant wheel and is heated and dehumidified, and then goes through crossflow heat exchanger, is cooled down, then It is further cooling into one in evaporation-cooled device, and humidified, cooling, air after cooling enters indoor for making With.
The present invention also provides the application methods that sea water desalination is carried out using above-mentioned air-conditioning system comprising:
Another in the double evaporation-cooled devices of room air entrance is humidified, is cooled down, and cross-current type heat is then gone through It is heated in exchanger, the air heated in crossflow heat exchanger enters binary channels V-type baffle solar thermal collector Further heating, the air after heating enter auxiliary heater and are heated to regeneration temperature, will obtain the regeneration air of regeneration temperature It is cooled down and is humidified by desiccant wheel, then go through condenser, flowing through in condenser has cooling salt water to be evaporated, leads to The cooling to regeneration air is crossed, heat makes evaporation of seawater generate distilled water, is left to spare in water tank.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
Air-conditioning system provided by the invention generates regeneration air using solar energy, realizes sea water desalination by atmospheric heat Journey produces enough distilled water, keeps further saving the energy on the basis of air conditioning performance to realize.
Detailed description of the invention
The overall structure figure of Fig. 1 air-conditioning system provided by the invention;
Air velocity is entered the room in Fig. 2 air-conditioning system provided by the invention to feed air temperature, cooling Water l oad and distillation aquatic products The influence of amount;
Air velocity is entered the room in Fig. 3 air-conditioning system provided by the invention to system cooling performance coefficient, overall performance coefficient The influence of percentage is improved with coefficient of performance;
Air velocity in Fig. 4 air-conditioning system provided by the invention for sea water desalination processing is to feed air temperature, cooling water The influence of load and distilled water yield;
Air in Fig. 5 air-conditioning system provided by the invention for sea water desalination processing is to system cooling performance coefficient, whole The body coefficient of performance and coefficient of performance improve the influence of percentage;
Air themperature in Fig. 6 air-conditioning system provided by the invention for sea water desalination processing is to feed air temperature, cooling The influence of load and distilled water yield;
Air themperature in Fig. 7 air-conditioning system provided by the invention for sea water desalination processing is to system cooling performance system Number, overall performance coefficient and coefficient of performance improve the influence of percentage.
In figure: 1- desiccant wheel, 2- crossflow heat exchanger, 3- evaporation-cooled device, 4- solar thermal collector, 5- auxiliary Heater, 6- condenser, 7- water tank.
Specific embodiment
The present invention provides a kind of completely new air-conditioning system comprising desiccant wheel, crossflow heat exchanger, two evaporations are cold But device, binary channels V-type baffle solar thermal collector, electrical auxiliary heater, condenser and water tank.
The desiccant wheel is connect by pipeline with crossflow heat exchanger, crossflow heat exchanger and evaporation-cooled device Be connected, evaporation-cooled device is connect with room, crossflow heat exchanger also with binary channels V-type baffle solar thermal collector phase Connection, solar thermal collector are connected with auxiliary heater, and auxiliary heater is connected with desiccant wheel, desiccant wheel and condenser It is connected, condenser is connect with water tank.
The path of the air (referred to as entering room air) entered the room: air enters desiccant wheel and is heated and dehumidified, with After enter crossflow heat exchanger, cooled down, it is further cooling to subsequently enter one in evaporation-cooled device, and carry out Humidification, cooling, air after cooling enters interior for using.
The path of air for sea water desalination processing: room air enters another progress in double evaporation-cooled devices Humidification, cooling, then go through in crossflow heat exchanger and are heated, and the air heated in crossflow heat exchanger enters Binary channels V-type baffle solar thermal collector further heats, and the air after heating enters auxiliary heater and is heated to regeneration temperature The regeneration air for obtaining regeneration temperature is cooled down and is humidified by desiccant wheel, then goes through condenser, condenser by degree In flow through and have cooling salt water to be evaporated, by the cooling to regeneration air, heat makes salt water evaporation generate distilled water, is left to water It is spare in case.
Below using embodiment and attached drawing come the embodiment that the present invention will be described in detail, how skill is applied to the present invention whereby Art means solve technical problem, and the realization process for reaching technical effect can fully understand and implement.
As shown in Figure 1, air-conditioning system provided by the invention includes desiccant wheel 1, crossflow heat exchanger 2, two evaporations Cooling device 3, binary channels V-type baffle solar thermal collector 4, electrical auxiliary heater 5, condenser 6 and water tank 7.
Air enters desiccant wheel 1 and is heated and dehumidified, and then goes through crossflow heat exchanger 2, is cooled down, with Enter in an evaporation-cooled device 3 afterwards and further cool down, and humidified, cooling, air after cooling enters indoor confession Use, room air enter an evaporation-cooled device 3 humidified, cooled down, then go through in crossflow heat exchanger 2 into Row heating, the air heated in crossflow heat exchanger 2 enter binary channels V-type baffle solar thermal collector 4 and further add Heat, the air after heating enter auxiliary heater 5 and are heated to regeneration temperature, will obtain the regeneration air of regeneration temperature by dehumidifying Runner 1 is cooled down and is humidified, and condenser 6 is then gone through, and flowing through in condenser 6 has cooling salt water to be evaporated, by right The cooling of regeneration air, heat make salt water evaporation generate distilled water, are left to spare in water tank 7.
Performance type test to air-conditioning system provided by the invention, as a result as follows:
Fig. 2 shows air velocity of entering the room in air-conditioning system of the present invention to feed air temperature, cooling load and distilled water yield Influence.Figure it is seen that as air velocity is from 150m3/ h increases to 450m3/ h, feed air temperature are increased to by 18.5 DEG C 21.6 DEG C, refrigeration duty increases to 2020.05W from 821.13W, and distilled water yield is reduced to 0.105L/h from 1.635L/h, this master If because system is reduced by the air dewetting ability of desiccant wheel, with air velocity with the increase of air velocity Increase, feed air temperature reduces, and the distilled water yield distillated reduces.
Fig. 3 shows that air velocity of entering the room mentions system cooling performance coefficient, overall performance coefficient and coefficient of performance The influence of high percentage.As air velocity is from 150m3/ h increases to 450m3/ h, cooling performance coefficient increase by 0.724 from 0.406 Increase, overall performance coefficient is reduced to 0.832 from 0.918, coefficient of performance improve percentage 3.32%-125.98% it Between.
Air velocity for sea water desalination processing is to influence such as Fig. 4 of feed air temperature, cooling load and distilled water yield It is shown.When air velocity is from 75m3/ h increases to 225m3When/h, feed air temperature drops to 18.4 DEG C from 21.8 DEG C, cooling load from 1105.5W increases to 59130.25W, and distilled water yield increases to 3.024L/h from 0.00, this is because with regeneration air flow velocity Increase, the moisture removal of desiccant wheel increases.
Fig. 5 illustrate for sea water desalination processing air velocity to system cooling performance coefficient, overall performance coefficient and The influence of coefficient of performance raising percentage.When air velocity is from 75m3/ h increases to 225m3When/h, cooling performance coefficient from 0.714 is reduced to 0.431, and overall performance coefficient increases to 1.029 from 0.718, and coefficient of performance improves percentage and exists Between 0.52%-183.97%.
Air themperature for sea water desalination processing is to the influence to feed air temperature, cooling load and distilled water yield as schemed Shown in 6.When air themperature increases to 100 DEG C of increases from 75 DEG C, feed air temperature drops to 18.9 DEG C of reductions from 21.2 DEG C, cooling negative Lotus increases to 1347.37W from 1155.75W, and distilled water yield increases to 1.41L/h from 0.28L/h, this is because with temperature Raising, the moisture removal of desiccant wheel increases.
Fig. 7 illustrate for sea water desalination processing air themperature to system cooling performance coefficient, overall performance coefficient and The influence of coefficient of performance raising percentage.As temperature increases to 100 DEG C from 75 DEG C, cooling performance coefficient is under 0.704 0.55 is dropped to, overall performance coefficient increases to 0.926 from 0.815, and coefficient of performance improves percentage in 15.75%- Between 61.81%.
All above-mentioned this intellectual properties of primarily implementation, there is no this new products of implementation of setting limitation other forms And/or new method.Those skilled in the art will utilize this important information, above content modification, to realize similar execution feelings Condition.But all modifications or transformation belong to the right of reservation based on new product of the present invention.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. Imitate embodiment.But without departing from the technical solutions of the present invention, according to the technical essence of the invention to above embodiments institute Any simple modification, equivalent variations and the remodeling made, still fall within the protection scope of technical solution of the present invention.

Claims (6)

1. a kind of air-conditioning system characterized by comprising desiccant wheel, crossflow heat exchanger, evaporation-cooled device, the sun It can heat collector, electrical auxiliary heater, condenser and water tank.
2. air-conditioning system as described in claim 1, it is characterised in that: the quantity of the evaporation-cooled device is 2.
3. air-conditioning system as claimed in claim 1 or 2, it is characterised in that: the solar thermal collector is preferably binary channels V-type Absorb template solar thermal collector.
4. air-conditioning system as described in claims 1 to 3, it is characterised in that: the desiccant wheel passes through pipeline and cross-current type heat Exchanger connection, crossflow heat exchanger are connected with evaporation-cooled device, and evaporation-cooled device is connect with room, cross-current type heat Exchanger is also connected with solar thermal collector, and solar thermal collector is connected with auxiliary heater, and auxiliary heater and dehumidifying turn Wheel is connected, and desiccant wheel is connected with condenser, and condenser is connect with water tank.
5. the application method of air-conditioning system described in Claims 1-4 characterized by comprising
Air enters desiccant wheel and is heated and dehumidified, and then goes through crossflow heat exchanger, is cooled down, is subsequently entered One in evaporation-cooled device is further cooling, and is humidified, cooling, and air after cooling enters interior for using.
6. using the sea water desalination application method of air-conditioning system described in claim 1 to 5 characterized by comprising
Another in the double evaporation-cooled devices of room air entrance is humidified, is cooled down, and cross-current type heat exchange is then gone through It is heated in device, the air heated in crossflow heat exchanger enters binary channels V-type baffle solar thermal collector into one Step heating, the air after heating enter auxiliary heater and are heated to regeneration temperature, and the regeneration air for obtaining regeneration temperature is passed through Desiccant wheel is cooled down and is humidified, and condenser is then gone through, and flowing through in condenser has cooling salt water to be evaporated, by right The cooling of regeneration air, heat make evaporation of seawater generate distilled water, are left to spare in water tank.
CN201811213326.7A 2018-10-18 2018-10-18 A kind of air-conditioning system and its application method and sea water desalination application method Pending CN109579178A (en)

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