CN107166530A - Lithium chloride dehumidifier/air-conditioning system - Google Patents
Lithium chloride dehumidifier/air-conditioning system Download PDFInfo
- Publication number
- CN107166530A CN107166530A CN201710427188.1A CN201710427188A CN107166530A CN 107166530 A CN107166530 A CN 107166530A CN 201710427188 A CN201710427188 A CN 201710427188A CN 107166530 A CN107166530 A CN 107166530A
- Authority
- CN
- China
- Prior art keywords
- air
- lithium chloride
- regenerating unit
- conditioned room
- evaporator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M Lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 title claims abstract description 178
- 238000004378 air conditioning Methods 0.000 title claims abstract description 39
- 230000001172 regenerating Effects 0.000 claims description 61
- 239000003507 refrigerant Substances 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 11
- 230000008929 regeneration Effects 0.000 claims description 8
- 238000011069 regeneration method Methods 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 13
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 238000007791 dehumidification Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 244000052616 bacterial pathogens Species 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 description 8
- 230000001580 bacterial Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- 238000005422 blasting Methods 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 3
- 230000001351 cycling Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000001105 regulatory Effects 0.000 description 3
- 230000001954 sterilising Effects 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000001681 protective Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F24F2003/1458—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 using regenerators
Abstract
The present invention is a kind of lithium chloride dehumidifier/air-conditioning system, is related to air-conditioning system technical field.Air-conditioned room thermic load includes sensible heat load and latent heat load, and wherein latent heat load is accounted for greatly.Air-conditioned room will reach same humiture, and latent heat load is bigger, and air conditioning energy consumption is bigger.The present invention carries out dehumidification treatments according to the moisture-absorption characteristics of lithium chloride first, then carries out cooling processing by A/C evaporator, and evaporator only handles air sensible load, greatly reduces air conditioning energy consumption.Lithium chloride solution can remove microbes in air, mechanical particle simultaneously, it is ensured that air quality.The present invention includes the lithium chloride dehumidifying circulatory system, refrigerant-cycle systems, air-conditioned room air circulation system, outdoor air system.
Description
Technical field
The present invention is a kind of lithium chloride dehumidifier/air-conditioning system, is related to air-conditioning system technical field.
Background technology
With the raising of national economy, air-conditioning has been widely used in most of family as a kind of comfortableness household electrical appliances.Together
When, the power consumption of air-conditioning also takes up annual power consumption a large portion, particularly summer.The thermic load that air-conditioning is put includes wet sky
Gas sensible heat load and latent heat load two parts, wherein latent heat occupy sizable part, are also the main energy consuming part of air-conditioning.Air-conditioning
Room will reach same humiture, and latent heat load is bigger, and air conditioning energy consumption is bigger.Humid air is mainly cooled to water and steamed by traditional air conditioner
Gas saturated line dehumidifies, and then demand temperature is being warming up to, so as to reach the cool-down dehumidification to air-conditioned room.So to a certain extent
Add air conditioning energy consumption.
Lithium chloride (LiCl) solution has good hygroscopicity.Certain density lithium chloride solution, at a certain temperature, with
Humid air is fully contacted, and the water capacity of humid air can be greatly lowered and balance and stability is kept.The moisture absorption of lithium chloride solution
Ability is relevant with its concentration and temperature, and concentration is higher, and temperature is lower, and wettability power is bigger, otherwise wettability power is just small or even increases
It is wet.
Just think, if energy idea in advance goes out the moisture in air, then entering A/C evaporator cooling, now,
Evaporator only needs the sensible heat in absorption air to cool, and just can largely reduce air conditioning energy consumption, air conditioner energy saving is reached with this
Purpose.
The content of the invention
The technical problems to be solved by the invention are：A kind of lithium chloride dehumidifier/air-conditioning system is provided, air-conditioning can be effectively reduced
Energy consumption.
It is to solve above-mentioned technical problem the technical solution adopted in the present invention：Lithium chloride dehumidifier/air-conditioning system, including system
Refrigerant cycle system and air-conditioned room air circulation system, air-conditioned room air circulation system include air-conditioned room, evaporator, evaporator with
The air inlet of air-conditioned room is connected, in addition to lithium chloride dehumidifying the circulatory system, lithium chloride dehumidifying the circulatory system include dehydrating unit,
Regenerating unit, pump, regenerating unit are used to hold lithium chloride solution, the liquid feeding end connection regenerating unit of pump, outlet end connection dehumidifying
Spray equipment at the top of device, the return air inlet of air-conditioned room is connected at the top of dehydrating unit bottom, dehydrating unit by pipeline to be passed through
Pipeline connects evaporator.
During implementation, in dehydrating unit, the lithium chloride solution of low temperature and high concentration is filled by top spray is lower with entering dehumidifying
The air put fully is contacted, the moisture in absorption air, reduces air humidity；The present invention is carried out at cooling to air-conditioned room air
Dehumidification treatments are first carried out before reason, such A/C evaporator need to only handle the sensible heat load in air, so as to largely drop
Low air conditioner load, reaches the purpose of reduction energy consumption.
For lithium chloride solution is reused, the present invention also provides a kind of preferred embodiment：Dehydrating unit bottom
Connecting pipe is provided between regenerating unit, by the Gravitative Loads of lithium chloride solution or using water pump by lithium chloride solution
Regenerating unit is returned to from dehydrating unit；Refrigerant-cycle systems include compressor, exhaust solenoid valve, regenerating unit, check valve,
Condenser, throttling arrangement, evaporator, heat exchanger；Exhaust solenoid valve includes first exhaust magnetic valve and second exhaust magnetic valve,
The exhaust end of compressor point two-way is connected with first exhaust magnetic valve and second exhaust magnetic valve respectively；First exhaust magnetic valve with
Regenerating unit is connected, and regenerating unit be connected with check valve, compressor compresses into high-temperature high-pressure refrigerant steam flow through to regenerate and fill
When putting, for the lithium chloride solution in thermal regeneration device；Check valve is connected after converging with second exhaust magnetic valve with condenser；
Condenser is connected with throttling arrangement；Throttling arrangement is connected with evaporator；Evaporator is connected with heat exchanger；Heat exchanger and compression
The air entry connection of machine；The outlet end of pump is connected to heat exchanger, is reconnected after over-heat-exchanger at the top of dehydrating unit
Spray equipment, when lithium chloride solution flows through heat exchanger, in a heat exchanger with evaporator produce low-temperature low-pressure refrigerant
Steam carries out heat exchange.
During implementation, in dehydrating unit, the lithium chloride solution of low temperature and high concentration is filled by top spray is lower with entering dehumidifying
The air put fully is contacted, the moisture in absorption air, reduces air humidity, while lithium chloride solution concentration is reduced, passes through chlorine
Change the Gravitative Loads of lithium solution or lithium chloride solution is returned to regenerating unit from dehydrating unit using water pump；In regenerating unit
In, after lithium chloride solution is heated by compressor air-discharging, solution surface steam partial pressure is higher than water vapor in air partial pressure, then solution
Become lithium chloride concentrated solution after middle moisture evaporation；Lithium chloride concentrated solution enters after cooling in the presence of pump through over-heat-exchanger to be removed
Wet device continues vapor in absorption air, reduces air humidity；So circulation, realizes the recycling of lithium chloride solution.
The cyclic process of refrigerant is in the present invention：Refrigerant is compressed into high-temperature high-pressure refrigerant steam within the compressor
Discharged by exhaust outlet, when regenerating unit need to provide heat, first exhaust magnetic valve is opened, second exhaust solenoid closure, high
Warm high-pressure refrigerant vapor enters regenerating unit through first exhaust magnetic valve and heats lithium chloride solution, then enters cold through check valve
Condenser；When regenerating unit need not provide heat, first exhaust solenoid closure, second exhaust magnetic valve is opened, and high temperature is high
Compression refrigerant steam is directly entered condenser by second exhaust magnetic valve.Within the condenser, the refrigerant vapour of HTHP
Exchanged heat with outdoor air, and be condensed into high pressure refrigerant liquid.High pressure refrigerant liquid becomes after being handled through throttling arrangement throttling
Low pressure refrigerant liquid enters evaporator.Absorbed in evaporator low pressure refrigerant liquid evaporation and pass through dehydrating unit dehumidification treatments
The sensible heat load of air becomes low-temperature low-pressure refrigerant steam afterwards, reaches the purpose of air cooling-down.Low-temperature low-pressure refrigerant steam
Temperature has risen after being exchanged heat into heat exchanger with lithium chloride concentrated solution, finally enters compressor and continues cycling through.Heat is handed over
Parallel operation makes refrigerant vapour have certain suction superheat, prevents compressor from liquid hammer occur, and protection is served to compressor and is made
With.
When regenerating unit is not required to provide heat, first exhaust solenoid closure, second exhaust magnetic valve is opened, compressor
Exhaust is directly entered condenser, and now the energy-conservation of air-conditioning system, which is mainly reflected in evaporator, only needs the sensible heat in absorption air to bear
Lotus, energy consumption is low.
When regenerating unit need to provide heat, first exhaust magnetic valve is opened, second exhaust solenoid closure, compared with the former
Lithium chloride solution is heated using compressor high-temperature exhaust air in speech, regenerating unit, efficiently utilizing should be by condensation
Device is lost to the heat in air, reduces condenser duty, for the condenser of same heat exchange area, to a certain degree
On improve the degree of supercooling of condensator outlet refrigerant liquid, be conducive to improving air-conditioning system refrigerating capacity, be also beneficial to reduction empty
Adjust energy consumption.
In addition, air-conditioned room is provided with the sensor for gathering indoor humidity, the humidity value that sensor is collected is used for
Coordinated signals exhaust solenoid valve.When air-conditioning house humidity is less than setting value, the heating amount in reduction regenerating unit, lithium chloride solution
Temperature reduction, the water evaporation quantity of lithium chloride solution reduces, and solution concentration reduction, dehumidifying effect declines, and carries blasting humidity
It is high；When air-conditioning house humidity is higher than setting value, the heating amount in increase regenerating unit, the temperature rise of lithium chloride solution, chlorination
The water evaporation quantity increase of lithium solution, solution concentration rise, dehumidifying effect rise reduces blasting humidity.It can so maintain
Air-conditioning house humidity is in a stable scope.
The present invention has also made further improvement to air-conditioned room air circulation system, and threeway regulation is provided with systems
Valve, three ports of three-way control valve connect return air inlet, outdoor fresh air, the dehydrating unit of air-conditioned room respectively.Adjusted by threeway
The resh air requirement in valve regulating air-conditioning room, three kinds of works of processing are carried out after realizing internal air circulation, air outer circulation, inner air and outer air mixing
Operation mode, can effectively ensure that air-conditioned room air quality, while air dehumidified in the spray of lithium chloride solution in dehydrating unit
Microorganism, mechanical particle in Cheng Zhong, air etc. are fully washed by solution and stayed in solution, and bacterial micro-organism is in lithium chloride
Under effect, sterilizing of being killed because of dehydration reduces bacterial content in air, improves air quality.
Present invention additionally comprises outdoor air system, outdoor air system includes condenser, regenerating unit, condenser and regeneration
Device is connected so that outdoor air after refrigerant heat exchange within the condenser with entering in regenerating unit.Due in air
Steam partial pressure is less than the steam partial pressure on lithium chloride solution surface in regenerating unit, is steamed so as to take away the water in regenerating unit
Gas, improves lithium chloride solution concentration, the regenerative process of lithium chloride solution is advantageously implemented in this way.
The beneficial effects of the invention are as follows：
1st, dehumidification treatments are carried out before cooling processing is carried out to air-conditioned room air, such A/C evaporator need to only handle sky
Sensible heat load in gas, so as to largely reduce air conditioner load, reaches the purpose of reduction energy consumption；
2nd, lithium chloride solution is circulated between dehydrating unit and regenerating unit, realizes the Reusability of lithium chloride solution；
3rd, lithium chloride solution is heated using compressor high-temperature exhaust air in regenerating unit, efficiently utilizing to lead to
The heat that condenser is lost in air is crossed, condenser duty is reduced, for the condenser of same heat exchange area, one
Determine to improve the degree of supercooling of condensator outlet refrigerant liquid in degree, be conducive to improving air-conditioning system refrigerating capacity, be also beneficial to
Reduce air conditioning energy consumption；
4th, temperature has risen after low-temperature low-pressure refrigerant steam is exchanged heat into heat exchanger and lithium chloride concentrated solution,
Finally enter compressor to continue cycling through, heat exchanger makes refrigerant vapour have certain suction superheat, compressor can be prevented
There is liquid hammer, protective effect is served to compressor；
5th, by humidity sensor and the coordinated signals of exhaust solenoid valve, air-conditioning house humidity can be maintained in a stable model
Enclose；
6th, outdoor air is after condenser absorption refrigeration agent heat, temperature rise, relative humidity reduction, into regeneration dress
The vapor that can more efficiently take away in regenerating unit is postponed, regeneration efficiency is improved；
7th, the resh air requirement in the three-way control valve regulating air-conditioning room in air-conditioned room air circulation system, realizes in air and follows
Three kinds of mode of operations of processing are carried out after ring, air outer circulation, inner air and outer air mixing, air-conditioned room air quality is can effectively ensure that,
Air is in the spray dehumidification process of lithium chloride solution in dehydrating unit simultaneously, and microorganism, mechanical particle in air etc. are molten
Liquid is fully washed and stayed in solution, and bacterial micro-organism is in the presence of lithium chloride, sterilizing of being killed because of dehydration, and reduction is empty
Bacterial content in gas, improves air quality.
Brief description of the drawings
Fig. 1 is lithium chloride dehumidifier/air-conditioning system structural representation in the application；
Fig. 2 is lithium chloride dehumidifying circulating system structure schematic diagram in the application；
Fig. 3 is refrigerant-cycle systems structural representation in the application；
Fig. 4 a are air-conditioned room internal air circulation system structure diagram in the application；
Fig. 4 b are air-conditioned room air external circulating system structural representation in the application；
Fig. 4 c are+external circulating system structural representation in the application in air-conditioned room air；
Fig. 5 is outdoor air system structure diagram in the application.
Parts, position and numbering in figure：1- compressors, 2- condensers, 3- regenerating units, 4- throttling arrangements, 5- evaporations
Device, 6- dehydrating units, 7- heat exchangers, 8- pumps, 9- air-conditioned rooms, 10- three-way control valves, 11- exhaust solenoid valves, 11A- first rows
Pneumoelectric magnet valve, 11B- second exhausts magnetic valve, 12- check valves.
Embodiment
Below in conjunction with the accompanying drawings and preferred embodiment the invention will be further described.
As shown in figure 1, in the preferred embodiments of the present invention, including the lithium chloride dehumidifying circulatory system, refrigerant-cycle systems,
Connected each other between air-conditioned room air circulation system, outdoor air system, each system.Introducing the operation of each system separately below makes
Use scheme.
Lithium chloride dehumidifies the circulatory system as shown in Fig. 2 including dehydrating unit 6, regenerating unit 3, pump 8, heat exchanger 7, then
Generating apparatus 3 is used to hold lithium chloride solution, and the liquid feeding end connection regenerating unit 3 of pump 8, the outlet end of pump 8 is connected to heat exchanger
7, through reconnecting the spray equipment into the top of dehydrating unit 6 after over-heat-exchanger 7；The bottom of dehydrating unit 6 and regenerating unit 3 it
Between be provided with connecting pipe, by the Gravitative Loads of lithium chloride solution or using water pump by lithium chloride solution from dehydrating unit 6
It is returned to regenerating unit 3.
Due to certain density lithium chloride solution, at a certain temperature, fully contacted with humid air, containing for humid air can be made
Moisture is greatly lowered and keeps balance and stability.The wettability power of lithium chloride solution is relevant with its concentration and temperature, and concentration is got over
Height, temperature is lower, and wettability power is bigger, otherwise wettability power is just small or even is humidified.In dehydrating unit 6, low temperature chlorination lithium is dense
Solution is sprayed by top and the lower air with into dehydrating unit 6 is fully contacted, because steam partial pressure is more than chlorine in humid air
The water vapour molecule changed in lithium solution surface steam partial pressure, air is shifted into lithium chloride solution, air humidity reduction；Simultaneously
The reduction of lithium chloride solution concentration becomes lithium chloride weak solution and is pooled to the bottom of dehydrating unit 6, can pass through Action of Gravity Field or other sides
Formula enters regenerating unit 3；In regenerating unit 3, lithium chloride solution is by after the heating exhaust gas of compressor 1, and temperature rise, lithium chloride is molten
Liquid surface steam partial pressure is higher than water vapor in air partial pressure, and water vapour molecule is shifted into air, so that lithium chloride solution is dense
Degree rise, the air for absorbing vapor is blown in outdoor environment；Lithium chloride concentrated solution enters heat exchange in the presence of pump 8
After device 7 is cooled by the refrigerant vapour of low-temp low-pressure, the vapor entered back into the continuation absorption air of dehydrating unit 6.Follow in this way
Ring can reduce the humidity of air-conditioned room air.
In addition, air-conditioned room 9 is provided with the sensor for gathering indoor humidity, the humidity value that sensor is collected is used for
Coordinated signals exhaust solenoid valve 11.When the humidity of air-conditioned room 9 is less than setting value, the heating amount in reduction regenerating unit 3, lithium chloride
The temperature reduction of solution, the water evaporation quantity of lithium chloride solution reduces, and solution concentration reduction, dehumidifying effect declines, and makes air-supply wet
Degree is improved；When the humidity of air-conditioned room 9 is higher than setting value, the heating amount in increase regenerating unit 3, the temperature liter of lithium chloride solution
Height, the water evaporation quantity increase of lithium chloride solution, solution concentration rise, dehumidifying effect rise reduces blasting humidity.So i.e.
The humidity of air-conditioned room 9 can be maintained in a stable scope.
Refrigerant-cycle systems as shown in figure 3, including compressor 1, exhaust solenoid valve 11, regenerating unit 3, check valve 12,
Condenser 2, throttling arrangement 4, evaporator 5, heat exchanger 7；Exhaust solenoid valve 11 includes first exhaust magnetic valve 11A and second row
Pneumoelectric magnet valve 11B, the exhaust end point two-way of compressor 1 connects with first exhaust magnetic valve 11A and second exhaust magnetic valve 11B respectively
Connect；First exhaust magnetic valve 11A is connected with regenerating unit 3, and regenerating unit 3 is connected with check valve 12, the height that compressor 1 is compressed into
When warm high-pressure refrigerant vapor flows through regenerating unit 3, for the lithium chloride solution in thermal regeneration device 3；Check valve 12 and
Two exhaust solenoid valve 11B are connected after converging with condenser 2；Condenser 2 is connected with throttling arrangement 4；Throttling arrangement 4 and evaporator 5
Connection；Evaporator 5 is connected with heat exchanger 7；Heat exchanger 7 is connected with the air entry of compressor 1.
Refrigerant is compressed into high-temperature high-pressure refrigerant steam in compressor 1 and discharged by exhaust outlet, when regenerating unit 3 is needed
When providing heat, first exhaust magnetic valve 11A is opened, second exhaust magnetic valve 11B closures, and high-temperature high-pressure refrigerant steam is through the
One exhaust solenoid valve 11A enters regenerating unit 3 and heats lithium chloride solution, then enters condenser 2 through check valve 12；When regeneration dress
When putting 3 and need not provide heat, first exhaust magnetic valve 11A closures, second exhaust magnetic valve 11B is opened, HTHP refrigeration
Agent steam is directly entered condenser 2 by second exhaust magnetic valve 11B.In condenser 2, the refrigerant vapour of HTHP with
Outdoor air exchanges heat, and is condensed into high pressure refrigerant liquid.High pressure refrigerant liquid becomes low after being handled through the throttling of throttling arrangement 4
Compression refrigerant liquid enters evaporator 5.Absorbed in the low pressure refrigerant liquid evaporation of evaporator 5 by the dehumidifying of dehydrating unit 6
The sensible heat load of air becomes low-temperature low-pressure refrigerant steam after reason, reaches the purpose of air cooling-down.Low-temperature low-pressure refrigerant steams
Temperature has risen after gas is exchanged heat into heat exchanger 7 with lithium chloride concentrated solution, finally enters compressor 1 and continues cycling through.
Heat exchanger 7 makes refrigerant vapour have certain suction superheat, prevents compressor 1 from liquid hammer occur, and compressor 1 is served
Protective effect.
When regenerating unit 3 is not required to provide heat, first exhaust magnetic valve 11A closures, second exhaust magnetic valve 11B is opened
Open, the exhaust of compressor 1 is directly entered condenser 2, and now the energy-conservation of air-conditioning system, which is mainly reflected in evaporator 5, only needs absorption air
In sensible heat load, energy consumption is low.
When regenerating unit 3 need to provide heat, first exhaust magnetic valve 11A is opened, second exhaust magnetic valve 11B closures,
Compared with for the former, lithium chloride solution is heated using the high-temperature exhaust air of compressor 1 in regenerating unit 3, this is efficiently utilized
The heat in air should be lost to by condenser 2, the load of condenser 2 is reduced, for same heat exchange area condenser 2 and
Speech, improves the degree of supercooling that condenser 2 exports refrigerant liquid to a certain extent, is conducive to improving air-conditioning system refrigerating capacity,
It is also beneficial to reduce air conditioning energy consumption.
Air-conditioned room air circulation system is as shown in Fig. 4 a, Fig. 4 b, Fig. 4 c, including air-conditioned room 9, three-way control valve 10, dehumidifying
Device 6, evaporator 5；Evaporator 5 is connected with the air inlet of air-conditioned room 9, and three ports of three-way control valve 10 connect sky respectively
Transfer house 9 return air inlet, outdoor fresh air, the bottom of dehydrating unit 6, the top of dehydrating unit 6 passes through pipeline and connects evaporator 5.
Air-conditioned room return air (Fig. 4 a), outdoor fresh air (Fig. 4 b), return air+fresh air (Fig. 4 c), into dehydrating unit 6 with spray and
Under low temperature chlorination lithium concentrated solution fully contact, due in humid air steam partial pressure more than lithium chloride solution surface vapor point
Water vapour molecule in pressure, air is shifted into lithium chloride solution, air humidity reduction；Then the low air of relative humidity enters
Evaporator 5 absorbs sensible heat load by low-temperature low-pressure refrigerant liquid evaporation, and temperature is reduced to design temperature, sends into air-conditioned room 9.Such as
It is to realize the air circulation of air-conditioned room 9, has reached the purpose to the cool-down dehumidification of air-conditioned room 9, realized to air-conditioned room humiture
Control.
The resh air requirement in the regulating air-conditioning room of three-way control valve 10, realizes internal air circulation in air-conditioned room air circulation system
(Fig. 4 c) three kinds of mode of operations are handled after (Fig. 4 a), air outer circulation (Fig. 4 b), inner air and outer air mixing, be can effectively ensure that
Air-conditioned room air quality, while air is in the spray dehumidification process of lithium chloride solution in dehydrating unit 6, micro- life in air
Thing, mechanical particle etc. are fully washed by solution and stayed in solution, bacterial micro-organism in the presence of lithium chloride because dehydration and
It is killed sterilizing, bacterial content in reduction air improves air quality.
Outdoor air system is as shown in figure 5, outdoor air system includes condenser 2, regenerating unit 3, condenser 2 and regeneration
Device 3 is connected so that outdoor air is in condenser 2 with entering after refrigerant heat exchange in regenerating unit 3.Due in air
Steam partial pressure be less than regenerating unit 3 in lithium chloride solution surface steam partial pressure, so as to take away in regenerating unit 3
Vapor, improves lithium chloride solution concentration, the regenerative process of lithium chloride solution is advantageously implemented in this way.
Claims (5)
1. lithium chloride dehumidifier/air-conditioning system, including refrigerant-cycle systems and air-conditioned room air circulation system, air-conditioned room air are followed
Loop system includes air-conditioned room (9), evaporator (5), and evaporator (5) is connected with the air inlet of air-conditioned room (9), it is characterised in that：
Also include the lithium chloride dehumidifying circulatory system, the lithium chloride dehumidifying circulatory system includes dehydrating unit (6), regenerating unit (3), pump (8),
Regenerating unit (3) is used to hold lithium chloride solution, liquid feeding end connection regenerating unit (3), the outlet end connection dehydrating unit of pump (8)
(6) spray equipment at the top of, the return air inlet of air-conditioned room (9) is connected to dehydrating unit (6) bottom, dehydrating unit (6) by pipeline
Top connects evaporator (5) by pipeline.
2. lithium chloride dehumidifier/air-conditioning system as claimed in claim 1, it is characterised in that：
Be provided with connecting pipe between dehydrating unit (6) bottom and regenerating unit (3), by the Gravitative Loads of lithium chloride solution or
Lithium chloride solution is returned to regenerating unit (3) by person using water pump from dehydrating unit (6)；
Refrigerant-cycle systems include compressor (1), exhaust solenoid valve (11), regenerating unit (3), check valve (12), condenser
(2), throttling arrangement (4), evaporator (5), heat exchanger (7)；
Exhaust solenoid valve (11) includes first exhaust magnetic valve (11A) and second exhaust magnetic valve (11B), the row of compressor (1)
Gas end point two-way is connected with first exhaust magnetic valve (11A) and second exhaust magnetic valve (11B) respectively；
First exhaust magnetic valve (11A) is connected with regenerating unit (3), and regenerating unit (3) is connected with check valve (12), compressor
(1) when the high-temperature high-pressure refrigerant steam being compressed into flows through regenerating unit (3), for the lithium chloride in thermal regeneration device (3)
Solution；Check valve (12) is connected after converging with second exhaust magnetic valve (11B) with condenser (2)；
Condenser (2) is connected with throttling arrangement (4)；
Throttling arrangement (4) is connected with evaporator (5)；
Evaporator (5) is connected with heat exchanger (7)；
Heat exchanger (7) is connected with the air entry of compressor (1)；
The outlet end of pump (8) is connected to heat exchanger (7), through being reconnected after over-heat-exchanger (7) at the top of dehydrating unit (6)
Spray equipment, when lithium chloride solution flows through heat exchanger (7), in heat exchanger (7) with evaporator (5) produce low temperature it is low
Compression refrigerant steam carries out heat exchange.
3. lithium chloride dehumidifier/air-conditioning system as claimed in claim 2, it is characterised in that：Air-conditioned room (9) is provided with for gathering
The sensor of indoor humidity, the humidity value that sensor is collected is used for coordinated signals exhaust solenoid valve (11).
4. the lithium chloride dehumidifier/air-conditioning system as described in any one in claims 1 to 3, it is characterised in that：Air-conditioned room air
The circulatory system also includes three-way control valve (10), and three ports of three-way control valve (10) connect the return air of air-conditioned room (9) respectively
Mouth, outdoor fresh air, dehydrating unit (6).
5. lithium chloride dehumidifier/air-conditioning system as claimed in claim 2 or claim 3, it is characterised in that：Also include outdoor air system, room
Outer air system includes condenser (2), regenerating unit (3), and condenser (2) is connected with regenerating unit (3) so that outdoor air exists
With entering after refrigerant heat exchange in regenerating unit (3) in condenser (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710427188.1A CN107166530B (en) | 2017-06-08 | 2017-06-08 | Lithium chloride dehumidifier/air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427188.1A CN107166530B (en) | 2017-06-08 | 2017-06-08 | Lithium chloride dehumidifier/air-conditioning system |
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| CN107166530A true CN107166530A (en) | 2017-09-15 |
| CN107166530B CN107166530B (en) | 2019-09-24 |
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| CN201710427188.1A Active CN107166530B (en) | 2017-06-08 | 2017-06-08 | Lithium chloride dehumidifier/air-conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418277A (en) * | 2021-03-22 | 2021-09-21 | 青岛海尔空调电子有限公司 | Systems, methods, and apparatus for temperature and humidity dual control |
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| CN107166530B (en) | 2019-09-24 |
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