CN104613572A - Refrigeration and dehumidification air-conditioner system - Google Patents
Refrigeration and dehumidification air-conditioner system Download PDFInfo
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- CN104613572A CN104613572A CN201410805765.2A CN201410805765A CN104613572A CN 104613572 A CN104613572 A CN 104613572A CN 201410805765 A CN201410805765 A CN 201410805765A CN 104613572 A CN104613572 A CN 104613572A
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- dehumidifier
- entrance
- generator
- dehumidification
- cooler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-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
- F24F5/0046—Air-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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-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
- F24F3/12—Air-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
- F24F3/14—Air-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
- F24F3/1411—Air-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
- F24F3/1417—Air-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 liquid hygroscopic desiccants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Drying Of Gases (AREA)
- Central Air Conditioning (AREA)
Abstract
A refrigeration and dehumidification air-conditioner system comprises a solar refrigeration system, a dehumidification system and a fresh air system. The solar refrigeration system comprises a refrigeration loop formed by sequentially connecting a generator, an ejector, a condenser, a heat exchanger, a throttling valve and an evaporator. The solar refrigeration system further comprises a solar heating loop. The dehumidification system comprises a dehumidification loop formed by connecting a generator, a concentrated solution tank, a dehumidifier and a cooler. An outlet of the evaporator is connected with the dehumidifier after being connected with the cooler. A fresh air inlet of the fresh air system is formed in the lower portion of the dehumidifier. Wet and hot air is fed into a room after passing through the dehumidifier of the dehumidification system and the evaporator of the refrigeration system. The refrigeration system sufficiently utilizes energy inside the system and solar energy for driving refrigeration to cool the wet and hot air, and energy is saved; the dehumidification system utilizes solution circulation for dehumidifying the outdoor wet and hot air, and energy consumption is effectively reduced.
Description
Technical field
The present invention relates to a kind of refrigerated dehumidification air-conditioning system.
Background technology
Along with the raising day by day of people's living standard, require also more and more higher to environmental amenity, the requirement of people to IAQ also takes much count of, wish that room air can be dry and nice and cool, so at this time just need dehydrating unit and refrigerating plant preferably can " run neck and neck ", dehumidifying can be accomplished while giving air cooling.
More existing refrigerated dehumidification air-conditioning systems mostly utilize electric-driven refrigerating machine cool-down dehumidification, and observable index is higher.
Summary of the invention
In order to overcome the higher shortcoming of existing refrigerated dehumidification air conditioning energy consumption, the invention provides one with renewable energy solar energy for driving force, dehydrating unit and refrigerating plant are merged cleverly refrigerated dehumidification air-conditioning system in a system, meet the development trend of energy-conserving and environment-protective.
The technical solution used in the present invention is:
A kind of refrigerated dehumidification air-conditioning system, comprises solar refrigeration system, dehumidification system and VMC, and outdoor new wind is sent into indoor successively after described solar refrigeration system and dehumidification system,
Described solar refrigeration system comprises the refrigerant circuit connected and composed successively by generator, injector, condenser, heat exchanger, choke valve, evaporimeter, wherein,
The gas vent of described generator is connected with injector first entrance, the outlet of described injector is connected with condenser and is connected with the high-pressure side of described heat exchanger afterwards, the high-pressure side of described heat exchanger is connected with choke valve and is connected with the entrance of described evaporimeter afterwards, the outlet of described evaporimeter is connected with the low-pressure side of described heat exchanger, the low-pressure side of described heat exchanger is connected with the second entrance of described injector
Described solar refrigeration system also comprises the solar heater for heating generator inner refrigerant solution, and described solar heater is communicated with described generator, to form reheat loop;
Described dehumidification system comprises the dehumidifying loop be interconnected to constitute by described generator, concentrated solution tank, dehumidifier, cooler, wherein,
The concentrated solution of described generator is connected with the first entrance of dehumidifier after exporting and being connected with described concentrated solution tank, outlet at bottom one tunnel of described dehumidifier is connected with the entrance of described generator, another road of the outlet at bottom of described dehumidifier is connected with the Heating medium of described cooler, the heating agent outlet of described cooler is connected with the second entrance of described dehumidifier
The outlet of described evaporimeter is connected with the refrigerant import of cooler, and the refrigerant exit of described cooler is connected with the 3rd entrance of described dehumidifier;
The new wind entrance of described VMC is arranged on the bottom of dehumidifier, described new wind entrance is positioned at the below of top first entrance of dehumidifier, the second entrance and the 3rd entrance, damp-heat air successively after the dehumidifier of dehumidification system and the evaporimeter of refrigeration system by new wind export send into indoor.
Further, the high pressure side outlet place of described heat exchanger is provided with the draining branch road connected and composed successively by water tank and draining valve.
Further, between described dehumidifier and generator, be also connected with the first solution pump, between described dehumidifier and cooler, be also provided with the second solution pump; Solution control valve is also connected with between described concentrated solution tank and described dehumidifier; Described solar heater is communicated with described generator on the reheat loop that forms and is also provided with temperature controller and flowmeter.
Further, be provided with filler in described dehumidifier, described dehumidifier is heat insulation-type dehumidifier.
Further, the refrigerant solution of described solar refrigeration system adopts lithium bromide water solution, and wherein cold-producing medium is water.
The invention has the beneficial effects as follows:
(1) refrigeration system of the present invention makes full use of intrasystem energy, realizes energy complement, has the advantage of multiple energy-saving, and make use of solar energy cleverly to drive refrigeration, does not need to consume a large amount of electric energy, and less demanding to heat energy, has saved the energy.
(2) dehumidification system of the present invention utilizes solution circulation to dehumidify to the new wind in outdoor, namely utilizes the dehumidifying of solution to instead of traditional cooling and dehumidifying, effectively reduces energy consumption.
(3) refrigeration system uses injector to replace compressor, has saved the consumption of electric power, system is simplified more, compact; According to injector principle, because it does not require the expenditure of energy, the energy consumption in refrigeration system is reduced, and more cold-producing mediums can be provided, refrigerating efficiency is improved, significant to the area of power supply shortage.
(4) utilize heat exchanger by the liquid heat exchange of the low pressure refrigerant vapor after evaporimeter and condenser, make superheat refrigerant vapor, refrigerant solution is excessively cold, and each takes what he needs, improves utilization rate and the economy of whole refrigeration system.
(5) be cold-producing medium with water, refrigeration system is run again under vacuum conditions, odorless, nontoxic, without explosion danger, safe and reliable, meet the requirement of protection of the environment; Whole refrigerating plant, except the very little solution pump of power, does not have other moving components, vibrate little, noise is low, running and comparing is quiet, is specially adapted to the occasions such as hospital, hotel, dining room, office block, cinema.
(6) cooling in summer, dehumidifying can be separated regulation and control, improve the accuracy of temperature, humidity regulation, considerably improve utilization rate and the economy of solar energy system, more can alleviate a shortage of electric power difficult problem in summer, very applicable for hot-summer and cold-winter area, improve the kind of refrigeration cycle principle of traditional air conditioner, original basis reaches the object of energy-saving and emission-reduction more.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present invention.
Detailed description of the invention
With reference to accompanying drawing 1, a kind of refrigerated dehumidification air-conditioning system, comprises solar refrigeration system, dehumidification system and VMC, and outdoor new wind is sent into indoor successively after described solar refrigeration system and dehumidification system,
Described solar refrigeration system comprises the refrigerant circuit connected and composed successively by generator 1, injector 2, condenser 3, heat exchanger 4, choke valve 7, evaporimeter 8, wherein,
The gas vent of described generator 1 is connected with injector 2 first entrance, the outlet of described injector 2 is connected with condenser 3 and is connected with the high-pressure side of described heat exchanger 4 afterwards, the high-pressure side of described heat exchanger 4 is connected with choke valve 7 and is connected with the entrance of described evaporimeter 8 afterwards, the outlet of described evaporimeter 8 is connected with the low-pressure side of described heat exchanger 4, the low-pressure side of described heat exchanger 4 is connected with the second entrance of described injector 2
Described solar refrigeration system also comprises the solar heater 16 for heating generator 1 inner refrigerant solution, and described solar heater 16 is communicated with described generator 1, to form reheat loop;
Described dehumidification system comprises the dehumidifying loop be interconnected to constitute by described generator 1, concentrated solution tank 15, dehumidifier 11, cooler 13, wherein,
The concentrated solution of described generator 1 is connected with the first entrance of dehumidifier 11 after exporting and being connected with described concentrated solution tank 15, outlet at bottom one tunnel of described dehumidifier 11 is connected with the entrance of described generator 1, another road of outlet at bottom of described dehumidifier 11 is connected with the Heating medium of described cooler 13, the heating agent outlet of described cooler 13 is connected with the second entrance of described dehumidifier 11
The outlet of described evaporimeter 8 is connected with the refrigerant import of cooler 13, and the refrigerant exit of described cooler 13 is connected with the 3rd entrance of described dehumidifier 11;
The new wind entrance 12 of described VMC is arranged on the bottom of dehumidifier 11, described new wind entrance 12 is positioned at the below of top first entrance of dehumidifier 11, the second entrance and the 3rd entrance, damp-heat air successively after the dehumidifier 11 of dehumidification system and the evaporimeter 8 of refrigeration system by new wind export 19 send into indoor.
Further, the high pressure side outlet place of described heat exchanger 4 is provided with the draining branch road connected and composed successively by water tank 5 and draining valve 6.
Further, the first solution pump 10 is also connected with between described dehumidifier 11 and generator 1; The second solution pump 9 is also provided with between described dehumidifier 11 and cooler 13; Solution control valve 14 is also connected with between described concentrated solution tank 15 and described dehumidifier 11; Described solar heater 16 is communicated with described generator 1 on the reheat loop that forms and is also provided with temperature controller 18 and flowmeter 17.
Further, be provided with filler in described dehumidifier 11, described dehumidifier 11 is heat insulation-type dehumidifier.
Further, the refrigerant solution of described solar refrigeration system adopts lithium bromide water solution, and wherein cold-producing medium is water.
In solar refrigeration system, dehumidification system, flowing is refrigerant solution.
System principle is:
(1) dehumidification system
System adopts lithium bromide water solution, and wherein cold-producing medium is water.Bromize lithium dilute solution in generator 1 becomes concentrated solution and to flow into after concentrated solution tank 15 in dehumidifier 11 and to mix with the low-temperature refrigerant carrying out flash-pot 8 after the heating of solar thermal collector 16, enter in dehumidifier 11 after temperature reduction solution is thinning and spray, solution one route first solution pump 10 in dehumidifier 11 after spray is returned generator 1 Inner eycle and is utilized, another route second solution pump 9 is returned in cooler 13 and is carried out heat exchange with the low-temperature refrigerant carrying out flash-pot 8, entered in dehumidifier 11 by the second entrance of dehumidifier 11 after temperature reduces and spray.Dehumidifier 11 is built with filler, the solution of top is first sprayed on filler and contacts with the damp-heat air of flowing underneath, carry out drying to damp-heat air, concentrated solution is got back in generator 1 after absorbing the moisture in air, and dehumidification system utilizes solution circulation to achieve dehumidifying to air.Concentrated solution in dehumidifier 11 from top to bottom concentration reduces gradually, and the filler arranged in dehumidifier 11 effectively can increase contact area and the time of solution and damp-heat air, strengthens effect on moisture extraction further.
Dehumidification system takes full advantage of evaporimeter 8 in refrigeration system and exports the cold of cold-producing medium, carries out precooling to the solution sprayed in advance, reduces spray temperature, further enhances the effect on moisture extraction in dehumidifier 11.
(2) refrigeration system
In generator 1, the high-temperature high-pressure steam be evaporated because of weak solution heating, after mixing with the low temperature and low pressure steam through heat exchange carrying out flash-pot 8, become the refrigerant vapour of medium temperature and medium pressure through injector 2 and flow in condenser 3, water as refrigerant is condensed into cooling water heat release, cool further through heat exchanger 4, low-temp low-pressure gas-liquid two-phase cold-producing medium is generated through choke valve 7, flow into evaporation endothermic in evaporimeter 8, cool the dried hot-air of dehumidifier 11 of hanging oneself, realize the cooling to hot-air, complete kind of refrigeration cycle.
The high pressure side outlet place of described heat exchanger 4 is provided with the draining branch road connected and composed successively by water tank 5 and draining valve 6, with cold-producing medium water unnecessary in removal system.
Generator 1 bottom connects import and the outlet of solar heater 16 respectively by water pipe, and solar heater 16 utilizes the heat of the sun to heat the weak solution in generator 1, can improve the concentration of solution on the one hand; The steam that evaporation obtains can be entered injector 2 as refrigerant gas on the other hand to spray, thus energy-conservation better.
(3) VMC:
Outdoor damp-heat air by new wind entrance 12 successively after the evaporimeter 8 of the dehumidifier 11 of dehumidification system and refrigeration system carries out dehumidifying and lower the temperature by new wind export 19 send into indoor.
Content described in this description embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.
Claims (5)
1. a refrigerated dehumidification air-conditioning system, comprises solar refrigeration system, dehumidification system and VMC, and outdoor new wind is sent into indoor successively after described solar refrigeration system and dehumidification system, it is characterized in that:
Described solar refrigeration system comprises the refrigerant circuit connected and composed successively by generator, injector, condenser, heat exchanger, choke valve, evaporimeter, wherein,
The gas vent of described generator is connected with injector first entrance, the outlet of described injector is connected with condenser and is connected with the high-pressure side of described heat exchanger afterwards, the high-pressure side of described heat exchanger is connected with choke valve and is connected with the entrance of described evaporimeter afterwards, the outlet of described evaporimeter is connected with the low-pressure side of described heat exchanger, the low-pressure side of described heat exchanger is connected with the second entrance of described injector
Described solar refrigeration system also comprises the solar heater for heating generator inner refrigerant solution, and described solar heater is communicated with described generator, to form reheat loop;
Described dehumidification system comprises the dehumidifying loop be interconnected to constitute by described generator, concentrated solution tank, dehumidifier, cooler, wherein,
The concentrated solution of described generator is connected with the first entrance of dehumidifier after exporting and being connected with described concentrated solution tank, outlet at bottom one tunnel of described dehumidifier is connected with the entrance of described generator, another road of the outlet at bottom of described dehumidifier is connected with the Heating medium of described cooler, the heating agent outlet of described cooler is connected with the second entrance of described dehumidifier
The outlet of described evaporimeter is connected with the refrigerant import of cooler, and the refrigerant exit of described cooler is connected with the 3rd entrance of described dehumidifier;
The new wind entrance of described VMC is arranged on the bottom of dehumidifier, described new wind entrance is positioned at the below of top first entrance of dehumidifier, the second entrance and the 3rd entrance, damp-heat air successively after the dehumidifier of dehumidification system and the evaporimeter of refrigeration system by new wind export send into indoor.
2. a kind of refrigerated dehumidification air-conditioning system as claimed in claim 1, is characterized in that: the high pressure side outlet place of described heat exchanger is provided with the draining branch road connected and composed successively by water tank and draining valve.
3. a kind of refrigerated dehumidification air-conditioning system as claimed in claim 2, is characterized in that: be also connected with the first solution pump between described dehumidifier and generator, is also provided with the second solution pump between described dehumidifier and cooler; Solution control valve is also connected with between described concentrated solution tank and described dehumidifier; Described solar heater is communicated with described generator on the reheat loop that forms and is also provided with temperature controller and flowmeter.
4. a kind of refrigerated dehumidification air-conditioning system as claimed in claim 3, is characterized in that: be provided with filler in described dehumidifier, and described dehumidifier is heat insulation-type dehumidifier.
5. a kind of refrigerated dehumidification air-conditioning system as claimed in claim 4, is characterized in that: the refrigerant solution of described solar refrigeration system adopts lithium bromide water solution, and wherein cold-producing medium is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410805765.2A CN104613572B (en) | 2014-12-22 | 2014-12-22 | A kind of refrigerated dehumidification air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410805765.2A CN104613572B (en) | 2014-12-22 | 2014-12-22 | A kind of refrigerated dehumidification air-conditioning system |
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| CN104613572A true CN104613572A (en) | 2015-05-13 |
| CN104613572B CN104613572B (en) | 2017-07-18 |
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| CN201410805765.2A Active CN104613572B (en) | 2014-12-22 | 2014-12-22 | A kind of refrigerated dehumidification air-conditioning system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1368628A (en) * | 2001-02-06 | 2002-09-11 | 崔保山 | Jet suction type centralized air conditioner |
| CN1558164A (en) * | 2004-01-17 | 2004-12-29 | 华中科技大学 | Absorption-injection type composite refrigerator |
| JP2012181005A (en) * | 2011-02-11 | 2012-09-20 | Denso Corp | Heat pump cycle |
| JP2014043954A (en) * | 2012-08-24 | 2014-03-13 | Tokyo Gas Co Ltd | Heat source machine operation control method in cold and hot water supply system |
-
2014
- 2014-12-22 CN CN201410805765.2A patent/CN104613572B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1368628A (en) * | 2001-02-06 | 2002-09-11 | 崔保山 | Jet suction type centralized air conditioner |
| CN1558164A (en) * | 2004-01-17 | 2004-12-29 | 华中科技大学 | Absorption-injection type composite refrigerator |
| JP2012181005A (en) * | 2011-02-11 | 2012-09-20 | Denso Corp | Heat pump cycle |
| US20130312447A1 (en) * | 2011-02-11 | 2013-11-28 | Denso Corporation | Heat pump cycle |
| JP2014043954A (en) * | 2012-08-24 | 2014-03-13 | Tokyo Gas Co Ltd | Heat source machine operation control method in cold and hot water supply system |
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| CN104613572B (en) | 2017-07-18 |
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