CN106813325A - Solution dehumidification unit and the air-conditioner with it - Google Patents
Solution dehumidification unit and the air-conditioner with it Download PDFInfo
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- CN106813325A CN106813325A CN201710211597.8A CN201710211597A CN106813325A CN 106813325 A CN106813325 A CN 106813325A CN 201710211597 A CN201710211597 A CN 201710211597A CN 106813325 A CN106813325 A CN 106813325A
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- Prior art keywords
- heat
- reserve tank
- liquid reserve
- regeneration
- regeneration unit
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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
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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
- 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
- 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
- F24F3/1429—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 alternatively operating a heat exchanger in an absorbing/adsorbing mode and a heat exchanger in a regeneration mode
-
- 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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/02—System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
- F24F2203/021—Compression cycle
Abstract
The invention provides a kind of solution dehumidification unit and the air-conditioner with it, solution dehumidification unit includes multilevel heat pump system, and multilevel heat pump system includes regeneration unit, and the liquid reserve tank of the regeneration unit of adjacent two-stage heat pump is connected；Multilevel heat pump system includes：First heat pump, the first heat pump includes the first regeneration unit and surface cooler, and the liquid reserve tank of surface cooler is connected with the liquid reserve tank of the first regeneration unit, so that the condensed water in surface cooler is flowed into the liquid reserve tank of the first regeneration unit；Wherein, the first heat pump also includes the first heat exchanging pipe, and the first regeneration unit includes the first spray pipeline, and the first heat exchanging pipe is connected with surface cooler and exchanged heat by the first condenser with the first spray pipeline.Solution dehumidification unit of the invention solves the problems, such as that the loss of refrigeration capacity of solution dehumidification unit of the prior art is larger.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of solution dehumidification unit and the air-conditioner with it.
Background technology
Solution dehumidification is that, using the moisture-absorption characteristics of some solution, the moisture in absorption air reaches effect on moisture extraction.Through solution
Treated air themperature is determined that relative humidity is determined by solution concentration by solution temperature.Solution concentration is higher, and temperature is lower,
Air humidity content is lower.Identical water capacity, relative air humidity is lower, and the dry-bulb temperature of air is higher, the temperature of corresponding solution
Degree is higher, and the cold evaporating temperature for cooling down solution is higher, and system COP is higher.Therefore, solution dehumidification mode is relative to traditional table
Cold dehumidifying, not only air handling process is simpler, also with Energy Efficiency Ratio higher, today of energy-saving and emission-reduction is being advocated, with weight
Want meaning.
Conventional liquid desiccant air conditioning, is divided into dehumidifying section and regenerator section two parts.Dehumidifying section is that the dehumidification solution of low temperature exists
Sprayed in air, the moisture in absorption air, solution concentration is thinning；Regenerator section is that the actified solution of high temperature is sprayed in air, molten
, in air, solution concentration is uprised for moisture evaporation in liquid.When operation, a part of dehumidification solution and actified solution are entered
Row is exchanged, and both sides solution concentration is maintained, to realize the operation of continuous-stable.In order to improve heat pump system efficiency, typically make many
Level dehumidifying and regeneration, most commonly two-stage.
In existing technology, after solution dehumidification, moisture all enter solution in, be required for by regenerator section regenerate come,
Because actified solution concentration ratio dehumidifies higher, the characteristic of solution is that concentration regeneration temperature higher is higher, therefore heat pump is cold
Solidifying temperature is higher, and heat pump power consumption is larger.Secondly, in order to maintain the concentration of dehumidification solution, running high temperature actified solution
Need constantly to exchange with low temperature dehumidification solution, loss of refrigeration capacity can be caused, even if install interstage flow heat exchanger reclaiming, can only also return
Receive a part.
The content of the invention
It is a primary object of the present invention to provide a kind of solution dehumidification unit and air-conditioner with it, to solve existing skill
The larger problem of the loss of refrigeration capacity of the solution dehumidification unit in art.
To achieve these goals, according to an aspect of the invention, there is provided a kind of solution dehumidification unit, including multistage
Heat pump, multilevel heat pump system includes regeneration unit, and the liquid reserve tank of the regeneration unit of adjacent two-stage heat pump is connected；It is many
Level heat pump includes：First heat pump, the first heat pump includes the first regeneration unit and surface cooler, the liquid storage of surface cooler
Case is connected with the liquid reserve tank of the first regeneration unit, so that the condensed water in surface cooler is flowed into the liquid reserve tank of the first regeneration unit；
Wherein, the first heat pump also includes the first heat exchanging pipe, and the first regeneration unit includes the first spray pipeline, the first heat exchanging pipe
Connected with surface cooler and exchanged heat by the first condenser with the first spray pipeline.
Further, the first condenser includes the first heat exchanger channels and the second heat exchanger channels, the first heat exchanger channels and first
Spray pipeline is connected；Second heat exchanger channels are connected with the first heat exchanging pipe.
Further, the first heat exchanging pipe includes tie point, one end of tie point and the refrigerant outlet of surface cooler
Connection, the other end of tie point is connected with the import of the second heat exchanger channels of the first condenser；Wherein, set in tie point
There is the first compressor, the import of the first compressor is connected with the refrigerant outlet of surface cooler, the outlet of the first compressor and first
The inlet communication of the second heat exchanger channels of condenser.
Further, the first heat exchanging pipe also includes the second branch road, and one end of the second branch road goes out with the second heat exchanger channels
Mouth connection, the other end of the second branch road is connected with the refrigerant inlet of surface cooler；Wherein, it is provided with the first expansion on the second branch road
Valve.
Further, the first device for drying and filtering is provided with the second branch road, the first device for drying and filtering is arranged on the second heat exchange
On pipeline between the outlet of passage and the first expansion valve.
Further, the first gas-liquid separator and the first four-way valve are provided with tie point, the first gas-liquid separator sets
Put on the pipeline between the import of the first compressor and the refrigerant outlet of surface cooler；Wherein, first gas-liquid separator goes out
Mouthful the first valve road and the first gas-liquid that pass through the first four-way valve with the inlet communication of the first compressor, the refrigerant outlet of surface cooler
The inlet communication of separator, the outlet of the first compressor is connected by the second valve road of the first four-way valve with the first condenser.
Further, the first heat pump also includes：The liquid reserve tank of water pipe, water pipe and the first regeneration unit connects
It is logical, with to moisturizing in the liquid reserve tank of the first regeneration unit；Wherein, it is provided with choke valve on water pipe.
Further, the first regeneration pump is provided with the first spray pipeline, the import of the first regeneration pump is single with the first regeneration
The liquid reserve tank connection of unit, the outlet of the first regeneration pump and the inlet communication of the first heat exchanger channels.
Further, multilevel heat pump system also includes the second heat pump, and the second heat pump includes the second regeneration unit
And Dehumidifying element, the liquid reserve tank of Dehumidifying element connects to form solution circulation loop with the liquid reserve tank of the second regeneration unit；Wherein,
The liquid reserve tank of the second regeneration unit is connected with the liquid reserve tank of the first regeneration unit.
Further, the second heat pump also includes the second heat exchanging pipe, and the second regeneration unit includes the second spray pipeline,
Dehumidifying element includes the 3rd spray pipeline, and the second heat exchanging pipe and the second spray pipeline are exchanged heat by the second condenser, and second changes
Pipe line and the 3rd spray pipeline pass through evaporator heat exchange.
Further, solution dehumidification unit also includes first circulation pipeline, second circulation pipeline and interstage flow heat exchanger, the
One circulation line and second circulation pipeline are connected with interstage flow heat exchanger and are exchanged heat with by interstage flow heat exchanger；Wherein, first
One end of circulation line connects with the liquid reserve tank of Dehumidifying element, the liquid storage of the other end of first circulation pipeline and the second regeneration unit
Case is connected；One end of second circulation pipeline connects with the liquid reserve tank of Dehumidifying element, and the other end of second circulation pipeline and second is again
The liquid reserve tank connection of raw unit.
According to another aspect of the present invention, there is provided a kind of air-conditioner, including solution dehumidification unit, solution dehumidification unit is
Above-mentioned solution dehumidification unit.
Solution dehumidification unit of the invention realizes the dehumidifying to air dewetting by multilevel heat pump system, wherein, Multi-stage heat
Pumping system includes regeneration unit, and the liquid reserve tank of the regeneration unit of adjacent two-stage heat pump is connected.In specific dehumidification process
In, the first heat pump passes through the first regeneration unit and surface cooler to air dewetting, wherein, surface cooler carries out cooling and removes to air
Wet, the first regeneration unit includes the first spray pipeline, and the actified solution for realizing high temperature by the first spray pipeline is in atmosphere
Spray, in the moisture evaporation in solution to air, actified solution concentration is uprised.Additionally, the present invention is by by the liquid storage of surface cooler
Case is connected with the liquid reserve tank of the first regeneration unit, and the condensed water in surface cooler can be made to flow into the liquid reserve tank of the first regeneration unit
It is interior, actified solution concentration is reduced with this, arrangement above can reduce the extraneous rate of water make-up of the first regeneration unit, but also can solve
Certainly condensed water elimination problem.
In the present invention, replace Dehumidifying element by using surface cooler, and retain the first regeneration unit, form new heat pump
System, the heat pump can avoid high temperature regeneration solution and dehumidifying in the regeneration unit because of heat pump of the prior art
The loss of refrigeration capacity that low temperature dehumidification solution in unit is constantly exchanged and caused, so as to solve solution dehumidifier of the prior art
The larger problem of loss of refrigeration capacity of group.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In the accompanying drawings：
Fig. 1 shows the structural representation of the embodiment of solution dehumidification unit of the invention.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, the first heat pump；11st, the first regeneration unit；111st, the first spray pipeline；12nd, surface cooler；13rd, first change
Pipe line；20th, the first condenser；30th, the first compressor；40th, the first device for drying and filtering；50th, the first expansion valve；60th, the first gas
Liquid/gas separator；70th, the first four-way valve；80th, water pipe；81st, choke valve；90th, the first regeneration pump；100th, the second heat pump；
101st, the second regeneration unit；102nd, Dehumidifying element；103rd, the second heat exchanging pipe；104th, the second spray pipeline；105th, the 3rd spray
Pipeline；110th, interstage flow heat exchanger；120th, the second condenser；130th, evaporator；140th, the second compressor；150th, second is dried
Filter；160th, the second expansion valve；170th, the second gas-liquid separator；180th, the second four-way valve；190th, the second regeneration pump；200th, dehumidify
Pump；210th, first circulation pipeline；220th, second circulation pipeline.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The invention provides a kind of solution dehumidification unit, Fig. 1 is refer to, solution dehumidification unit includes multilevel heat pump system,
Multilevel heat pump system includes regeneration unit, and the liquid reserve tank of the regeneration unit of adjacent two-stage heat pump is connected；Multi-stage heat pump system
System includes：First heat pump 10, the first heat pump 10 includes the first regeneration unit 11 and surface cooler 12, the storage of surface cooler 12
Liquid case is connected with the liquid reserve tank of the first regeneration unit 11, so that the condensed water in surface cooler 12 flows into the storage of the first regeneration unit 11
In liquid case；Wherein, the first heat pump 10 also includes the first heat exchanging pipe 13, and the first regeneration unit 11 includes the first spray pipeline
111, the first heat exchanging pipe 13 is connected with surface cooler 12 and exchanged heat by the first condenser 20 with the first spray pipeline 111.
Solution dehumidification unit of the invention realizes the dehumidifying to air dewetting by multilevel heat pump system, wherein, Multi-stage heat
Pumping system includes regeneration unit, and the liquid reserve tank of the regeneration unit of adjacent two-stage heat pump is connected.In specific dehumidification process
In, the first heat pump 10 passes through the first regeneration unit 11 and surface cooler 12 to air dewetting, wherein, surface cooler 12 enters to air
Row cool-down dehumidification, the first regeneration unit 11 includes the first spray pipeline 111, and high temperature is realized by the first spray pipeline 111
Actified solution is sprayed in atmosphere, and in the moisture evaporation in solution to air, actified solution concentration is uprised.Additionally, the present invention is logical
Cross and the liquid reserve tank of surface cooler 12 is connected with the liquid reserve tank of the first regeneration unit 11, can flow into the condensed water in surface cooler 12
In the liquid reserve tank of the first regeneration unit 11, actified solution concentration is reduced with this, arrangement above can reduce by the first regeneration unit 11
Extraneous rate of water make-up, but also condensed water elimination can be solved the problems, such as.In the present embodiment, replace removing by using surface cooler 12
Wet unit, and retain the first regeneration unit 11, forms new heat pump, the heat pump can avoid it is of the prior art because
The low temperature dehumidification solution in high temperature regeneration solution and Dehumidifying element in the regeneration unit of heat pump is constantly exchanged and caused
Loss of refrigeration capacity, so as to the loss of refrigeration capacity for solving the problems, such as solution dehumidification unit of the prior art is larger.
Actified solution is heated in order to pass through the first condenser 20, the first condenser 20 includes that the first heat exchange is logical
Road and the second heat exchanger channels, the first heat exchanger channels are connected with the first spray pipeline 111；Second heat exchanger channels and the first heat exchanging pipe
13 connections.In the present embodiment, the first condenser 20 includes the first heat exchanger channels and the second heat exchanger channels, logical by the second heat exchange
Road is connected with the first heat exchanging pipe 13, and the refrigerant in the first heat exchanging pipe 13 is entered the first condenser 20 and sprayed to first with this
The actified solution of pipeline 111 is heated；First heat exchanger channels are connected with the first spray pipeline 111, in the first spray pipeline 111
Actified solution by after the first condenser 20, being exchanged heat with the refrigerant in the first heat exchanging pipe 13, the first spray pipeline 111
Interior actified solution temperature is raised.Additionally, can realize spraying high temperature regeneration solution in atmosphere using the first spray pipeline 111
Drench, and then moisture evaporation in solution is in air, so that actified solution concentration is uprised.
For the specific pipeline connection of the first heat exchanging pipe 13, Fig. 1 is refer to, the first heat exchanging pipe 13 includes first
Road, one end of tie point is connected with the refrigerant outlet of surface cooler 12, the other end of tie point and the first condenser 20
The import connection of the second heat exchanger channels；Wherein, be provided with the first compressor 30 in tie point, the import of the first compressor 30 with
The refrigerant outlet connection of surface cooler 12, the outlet of the first compressor 30 and the import of the second heat exchanger channels of the first condenser 20
Connection.
In the present embodiment, by being provided with tie point, one end of tie point and table on the first heat exchanging pipe 13
The import of the second heat exchanger channels of the refrigerant outlet connection of cooler 12, the other end of tie point and the first condenser 20 connects
Connect；So, the first compressor 30 can be set on the first leg, wherein, import and the surface cooler 12 of the first compressor 30
Refrigerant outlet is connected, the inlet communication of the second heat exchanger channels of the outlet and the first condenser 20 of the first compressor 30, with this
Realize the circulation of the inner refrigerant of the first compressor 30.
Preferably, the first heat exchanging pipe 13 also includes the second branch road, and one end of the second branch road goes out with the second heat exchanger channels
Mouth connection, the other end of the second branch road is connected with the refrigerant inlet of surface cooler 12；Wherein, to be provided with first on the second branch road swollen
Swollen valve 50.The present embodiment can play the work throttled with control flow by setting the first expansion valve 50 to the refrigerant for passing through
With.After the refrigerant in the second branch road flows through the first expansion valve 50, the first expansion valve 50 leads to the refrigerant in the second branch road
Cross the moist steam as low-temp low-pressure after its throttling.
In order to ensure enter the first expansion valve 50 in gas dry, it is pure, be provided with first on the second branch road dried
Filter 40, the first device for drying and filtering 40 is arranged on the pipeline between the outlet of the second heat exchanger channels and the first expansion valve 50.With
This, can be played a role in filtering by being provided with the first device for drying and filtering 40 on the second branch road to the impurity in pipeline.
Preferably, the first gas-liquid separator 60 and the first four-way valve 70, the first gas-liquid separator are provided with tie point
On pipeline between 60 imports for being arranged on the first compressor 30 and the refrigerant outlet of surface cooler 12；Wherein, the first gas-liquid point
Outlet and the inlet communication of the first compressor 30 from device 60, the refrigerant outlet of surface cooler 12 pass through the first four-way valve 70 the
The inlet communication of one valve road and the first gas-liquid separator 60, the outlet of the first compressor 30 passes through the second valve of the first four-way valve 70
Road is connected with the first condenser 20.
In order to fully reduce the concentration of the actified solution in the first regeneration unit 11, the first heat pump 10 is also wrapped
Include：Water pipe 80, water pipe 80 is connected with the liquid reserve tank of the first regeneration unit 11, with to the liquid storage of the first regeneration unit 11
Moisturizing in case；Wherein, it is provided with choke valve 81 on water pipe 80.By setting water pipe 80, can more easily drop
The concentration of low actified solution, and choke valve 81 is set, can more easily control the break-make of water pipe 80.
It can be seen that, be provided with water pipe 80 by the first heat pump 10, by by water pipe 80 and first again
The liquid reserve tank connection of raw unit 11, can moisturizing in the liquid reserve tank by extraneous water supply installation to the first regeneration unit 11, and mend
The choke valve 81 set in water lines 80 is for controlling water supply flow.In the present embodiment, the delivery port of water pipe 80 sets
Put the top of the liquid reserve tank in the first regeneration unit 11.
In the present embodiment, by the liquid reserve tank moisturizing to the first regeneration unit 11, actified solution concentration is reduced,
So as to reduce solution temperature, the condensation temperature of the first heat pump 10 is reduced with this, additionally, the liquid storage of the first regeneration unit 11
Solution in case can directly be substituted with water.
In order to realize the spray of the first spray pipeline 111, the first regeneration pump is provided with the first spray pipeline 111
90, the import of the first regeneration pump 90 is connected with the liquid reserve tank of the first regeneration unit 11, and the outlet of the first regeneration pump 90 is changed with first
The inlet communication of the passage of heat.By being provided with the first regeneration pump 90 on the first spray pipeline 111, wherein, the first regeneration pump 90
Import connected with the liquid reserve tank of the first regeneration unit 11, outlet and the import of the first heat exchanger channels of the first regeneration pump 90 connect
It is logical, it is possible to achieve the Sprayer Circulation of the first spray pipeline 111.
In order to improve the effect of dehumidifying, multilevel heat pump system also includes the second heat pump 100, the second heat pump
100 include the second regeneration unit 101 and Dehumidifying element 102, the storage of the liquid reserve tank of Dehumidifying element 102 and the second regeneration unit 101
Liquid case connects to form solution circulation loop；Wherein, the liquid storage of the liquid reserve tank of the second regeneration unit 101 and the first regeneration unit 11
Case is connected.In the present embodiment, multilevel heat pump system also wraps the liquid reserve tank for connecting the second regeneration unit 101 and the first regeneration
The pipeline of the liquid reserve tank of unit 11, the mouth of pipe at the pipeline two ends is all disposed within the bottom of corresponding liquid reserve tank.
Specifically, the second heat pump 100 is solution dehumidification unit, and on this basis, the second heat pump 100 also includes
Second heat exchanging pipe 103, the second regeneration unit 101 includes the second spray pipeline 104, and Dehumidifying element 102 includes the 3rd shower
Road 105, the second heat exchanging pipe 103 is exchanged heat with the second spray pipeline 104 by the second condenser 120, the second heat exchanging pipe 103 with
3rd spray pipeline 105 is exchanged heat by evaporator 130.
In order to the loss of refrigeration capacity in reducing dehumidification solution and actified solution exchange process, solution dehumidification unit also includes
First circulation pipeline 210, second circulation pipeline 220 and interstage flow heat exchanger 110, first circulation pipeline 210 and second circulation pipe
Road 220 is connected with interstage flow heat exchanger 110 and is exchanged heat with by interstage flow heat exchanger 110；Wherein, first circulation pipeline 210
One end connects with the liquid reserve tank of Dehumidifying element 102, the liquid storage of the other end of first circulation pipeline 210 and the second regeneration unit 101
Case is connected；One end of second circulation pipeline 220 connects with the liquid reserve tank of Dehumidifying element 102, the other end of second circulation pipeline 220
Liquid reserve tank with the second regeneration unit 101 is connected.
In the present embodiment, the mouth of pipe that first circulation pipeline 210 is connected with the liquid reserve tank of the second regeneration unit 101 is located at storage
The side of liquid case is simultaneously located at below the predetermined fluid level of the liquid reserve tank of the second regeneration unit 101；Liquid reserve tank with Dehumidifying element 102 connects
The logical mouth of pipe also is located at the side of liquid reserve tank, according to actual conditions, can also be located at Dehumidifying element 102 liquid reserve tank it is pre-
Determine below liquid level；Predetermined fluid level herein can be the minimum liquid level of the liquid in corresponding liquid reserve tank, in this manner it is ensured that second
There is fluid exchange, i.e. the second regeneration unit between the liquid reserve tank of regeneration unit 101 and the liquid reserve tank of Dehumidifying element 102 always
Liquid in 101 liquid reserve tank can be flowed in the liquid reserve tank of Dehumidifying element 102.
Similarly, the mouth of pipe that second circulation pipeline 220 is connected with the liquid reserve tank of the second regeneration unit 101 is located at the side of liquid reserve tank
Face, according to actual conditions, can be located at below the predetermined fluid level of the liquid reserve tank of the second regeneration unit 101；With Dehumidifying element
102 liquid reserve tank connection the mouth of pipe also be located at liquid reserve tank side and positioned at Dehumidifying element 102 liquid reserve tank minimum liquid level with
Under.In this manner it is ensured that the liquid in Dehumidifying element 102 can be flowed in the liquid reserve tank of the second regeneration unit 101.
Preferably, the mouth of pipe that second circulation pipeline 220 is used to be connected with the liquid reserve tank of the second regeneration unit 101 is located at first
Circulation line 210 is used for the top of the liquid reserve tank connection mouth of pipe of the second regeneration unit 101.Additionally, second circulation pipeline 220 is used for
The mouth of pipe and first circulation pipeline 210 being connected with the liquid reserve tank of Dehumidifying element 102 are used to be connected with the liquid reserve tank of Dehumidifying element 102
The mouth of pipe be oppositely arranged.
Actified solution is heated in order to pass through the second condenser 120, the second condenser 120 includes the 3rd heat exchange
Passage and the 4th heat exchanger channels, the 3rd heat exchanger channels are connected with the second spray pipeline 104；4th heat exchanger channels and the second heat exchanger tube
Road 103 connects.
Dehumidification solution is cooled down in order to pass through evaporator 130, evaporator 130 includes the 5th heat exchanger channels and the
Six heat exchanger channels, the 5th heat exchanger channels are connected with the 3rd spray pipeline 105；6th heat exchanger channels connect with the second heat exchanging pipe 103
It is logical.In the present embodiment, evaporator 130 includes the 5th heat exchanger channels and the 6th heat exchanger channels, the 5th heat exchanger channels and the 3rd spray
Shower pipe road 105 is connected, and the dehumidification solution for realizing low temperature by the 3rd spray pipeline 105 is sprayed in atmosphere, in absorption air
Moisture, so as to the dehumidifying completed to air and reduce the concentration of dehumidification solution；6th heat exchanger channels and the second heat exchanger tube
Road 103 is connected, and the refrigerant in the second heat exchanging pipe 103 can be made to enter in evaporator 130 with the 3rd spray pipeline 105
Dehumidification solution cooled down.
Preferably, the second heat exchanging pipe 103 includes the 3rd branch road, and one end of the 3rd branch road is changed with the 6th of evaporator 130 the
The outlet connection of the passage of heat, the other end of the 3rd branch road is connected with the import of the 4th heat exchanger channels of the second condenser 120；Its
In, the second compressor 140, the import of the second compressor 140 and the outlet of the 6th heat exchanger channels are provided with the 3rd branch road,
The outlet of the second compressor 140 and the inlet communication of the 4th heat exchanger channels of the second condenser 120.
Correspondingly, the second heat exchanging pipe 103 also includes the 4th branch road, the 4th one end of branch road and going out for the 4th heat exchanger channels
Mouth connection, the other end of the 4th branch road is connected with the import of the 6th heat exchanger channels；Wherein, it is provided with the second expansion on the 4th branch road
Valve 160.
Preferably, the second device for drying and filtering 150 is provided with the 4th branch road, the second device for drying and filtering 150 is arranged on the 4th
On pipeline between the outlet of heat exchanger channels and the second expansion valve 160.
Preferably, the second gas-liquid separator 170 and the second four-way valve 180, the second gas-liquid separation are provided with the 3rd branch road
Device 170 is arranged on the pipeline between the import of the second compressor 140 and the outlet of the 6th heat exchanger channels；Wherein, the second gas-liquid
Outlet and the inlet communication of the second compressor 140 of separator 170, the outlet of the 6th heat exchanger channels of evaporator 130 is by the
The inlet communication of the first valve road of two four-way valves 180 and the second gas-liquid separator 170, the outlet of the second compressor 140 is by the
Second valve road of two four-way valves 180 is connected with the second condenser 120.
Preferably, dehumidifying pump 200, the import of dehumidifying pump 200 and Dehumidifying element 102 are provided with second circulation pipeline 220
Liquid reserve tank connection, dehumidify pump 200 outlet connected with interstage flow heat exchanger 110；Second is provided with first circulation pipeline 210
Regeneration pump 190, the import of the second regeneration pump 190 is connected with the liquid reserve tank of the second regeneration unit 101, and second regeneration pump 190 goes out
Mouth is connected with interstage flow heat exchanger 110.
In the present embodiment, the outlet of dehumidifying pump 200 is connected with the 3rd spray pipeline 105, by the storage of Dehumidifying element 102
In actified solution feeding evaporator 130 in liquid case.The outlet of the second regeneration pump 190 is connected with the second condenser 120, so that logical
The second regeneration pump 190 is crossed to send into the second condenser 120 actified solution.
Illustrated for solution dehumidification unit of the invention：
In the heat-pump-type solution humidifying air-conditioning of two-stage dehumidifying and regeneration, first order dehumidifying is made into direct-expansion type surface cooler
(surface cooler 12) dehumidifies, and cancels solution dehumidification unit, and corresponding solution regeneration unit retains.The condensed water of straight swollen surface cooler is passed through
Its corresponding regeneration unit liquid reserve tank, and increase water pipe on liquid reserve tank.Use communicating pipe in the liquid reserve tank bottom of two regeneration
Connection.
For solution dehumidification unit of the invention, on the heat-pump-type solution humidifying unit of two-stage dehumidifying, first order heat pump
System (the first heat pump 10), evaporator carries out cool-down dehumidification using straight swollen surface cooler to air.The condenser of the heat pump is protected
The form for staying solution to regenerate, refrigerant first exchanges heat with solution, and solution enters back into regeneration unit spraying cooling after being heated.Straight swollen table
The condensed water of cooler flows directly into the water tank of regeneration unit.Increase a water compensating valve in regeneration unit, for molten to regeneration spray
Liquid moisturizing, reduces actified solution concentration, reduces regeneration temperature.Second level heat pump (the second heat pump 100) is also using normal
The solution dehumidification flow of rule.Two water tanks of actified solution are connected with a communicating pipe, both sides liquid level equilibrium are maintained, so as to molten
Liquid concentration both sides when causing liquid level to change that change can complement each other.
If unit more than two-stage, according to circumstances one-level or multistage straight swollen section can be set.
In the heat-pump-type solution air-conditioning of two-stage dehumidifying, heat pump has two sets.Wherein the first system evaporator is straight swollen table
The form of cooler, condenser is solution heat exchanger.Second system evaporator and condenser are all solution heat exchangers.Dehumidified air is entered
Enter after unit, first contacted with the first system evaporator, preliminary cool-down dehumidification, the solution spraying that second system is entered afterwards dehumidifies
Unit, further reaches operating point after dehumidifying.After two sets of condenser heated solutions of heat pump, solution respectively enters respective
Regeneration unit is sprayed, and regeneration air first contacts regeneration with the solution of second system, then contacts regeneration with the solution of the first system, most
After discharge unit.
The dehumidifying circulating pump and regeneration cycle pump discharge of the second heat pump, distribute one solution, two strands of solution respectively
After being exchanged heat by interstage flow heat exchanger, dehumidification solution flows into the liquid reserve tank of regeneration, and actified solution flows into the liquid reserve tank of dehumidifying.
The condensed water of straight swollen surface cooler is directly discharged into the actified solution of the first system.The liquid reserve tank of two-stage regeneration unit is used
Communicating pipe connects, and maintains both sides liquid level equilibrium.
Present invention also offers a kind of air-conditioner, including solution dehumidification unit, solution dehumidification unit is that above-mentioned solution is removed
Wet unit.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Solution dehumidification unit of the invention realizes the dehumidifying to air dewetting by multilevel heat pump system, wherein, Multi-stage heat
Pumping system includes regeneration unit, and the liquid reserve tank of the regeneration unit of adjacent two-stage heat pump is connected.In specific dehumidification process
In, the first heat pump 10 passes through the first regeneration unit 11 and surface cooler 12 to air dewetting, wherein, surface cooler 12 enters to air
Row cool-down dehumidification, the first regeneration unit 11 includes the first spray pipeline 111, and high temperature is realized by the first spray pipeline 111
Actified solution is sprayed in atmosphere, and in the moisture evaporation in solution to air, actified solution concentration is uprised.Additionally, the present invention is logical
Cross and the liquid reserve tank of surface cooler 12 is connected with the liquid reserve tank of the first regeneration unit 11, can flow into the condensed water in surface cooler 12
In the liquid reserve tank of the first regeneration unit 11, actified solution concentration is reduced with this, arrangement above can reduce by the first regeneration unit 11
Extraneous rate of water make-up, but also condensed water elimination can be solved the problems, such as.
In the present embodiment, replace Dehumidifying element by using surface cooler 12, and retain the first regeneration unit 11, form new
Heat pump, the heat pump can avoid the high temperature regeneration solution in the regeneration unit because of heat pump of the prior art
The loss of refrigeration capacity for constantly being exchanged with the low temperature dehumidification solution in Dehumidifying element and being caused, so as to solve solution of the prior art
Dehumidify the larger problem of loss of refrigeration capacity of unit.
Solution dehumidification unit of the invention, because wind pushing temperature is high, relative humidity is low, the dehumidifying colder than table of thermo-compression evaporation temperature
System it is much higher, therefore heat pump Energy Efficiency Ratio is higher.In the present invention, first order dehumidification system uses the side of the cold dehumidifying of table
Formula, because inlet air temperature is higher, it is also possible to obtain evaporating temperature relatively higher.Condensed water is directly drained simultaneously, it is not necessary to
Drained by way of interstage flow, there is no interstage flow heat loss, system heat loss is small.In the first dehumidification system, because evaporation
Device is the straight swollen cold form of table, does not have dehumidification solution, and actified solution concentration is unrestricted, can more moisturizing dilution, air draft phase
High to humidity, temperature is low, and compared with original form, the temperature of actified solution is lower, and the condensation temperature of the first system is lower, heat
Pump work consumption is smaller.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of solution dehumidification unit, including multilevel heat pump system, the multistage heat pump includes regeneration unit, adjacent two
The liquid reserve tank connection of the regeneration unit of the level heat pump；Characterized in that, the multistage heat pump includes：
First heat pump (10), first heat pump (10) includes the first regeneration unit (11) and surface cooler (12), institute
The liquid reserve tank for stating surface cooler (12) is connected with the liquid reserve tank of first regeneration unit (11), so that in the surface cooler (12)
Condensed water is flowed into the liquid reserve tank of first regeneration unit (11)；
Wherein, first heat pump (10) also includes the first heat exchanging pipe (13), and first regeneration unit (11) includes
First spray pipeline (111), first heat exchanging pipe (13) connected with the surface cooler (12) and with first shower
Road (111) is exchanged heat by the first condenser (20).
2. solution dehumidification unit according to claim 1, it is characterised in that first condenser (20) is changed including first
The passage of heat and the second heat exchanger channels, first heat exchanger channels are connected with first spray pipeline (111)；Second heat exchange
Passage is connected with first heat exchanging pipe (13).
3. solution dehumidification unit according to claim 2, it is characterised in that first heat exchanging pipe (13) is including first
Branch road, one end of the tie point is connected with the refrigerant outlet of the surface cooler (12), the other end of the tie point
Import with second heat exchanger channels of first condenser (20) is connected；Wherein, is provided with the tie point
One compressor (30), the import of first compressor (30) is connected with the refrigerant outlet of the surface cooler (12), the first pressure
The inlet communication of the outlet of contracting machine (30) and second heat exchanger channels of first condenser (20).
4. solution dehumidification unit according to claim 3, it is characterised in that first heat exchanging pipe (13) also includes the
Two branch roads, one end of second branch road is connected with the outlet of second heat exchanger channels, the other end of second branch road with
The refrigerant inlet connection of the surface cooler (12)；Wherein, it is provided with the first expansion valve (50) on second branch road.
5. solution dehumidification unit according to claim 4, it is characterised in that be provided with the first drying on second branch road
Filter (40), first device for drying and filtering (40) is arranged on the outlet of second heat exchanger channels and first expansion valve
(50) on the pipeline between.
6. solution dehumidification unit according to claim 3, it is characterised in that the first gas-liquid is provided with the tie point
Separator (60) and the first four-way valve (70), first gas-liquid separator (60) are arranged on entering for the first compressor (30)
On pipeline between mouth and the refrigerant outlet of the surface cooler (12)；Wherein, the outlet of first gas-liquid separator (60)
With the inlet communication of first compressor (30), the refrigerant outlet of the surface cooler (12) is by first four-way valve
(70) inlet communication of the first valve road and first gas-liquid separator (60), the outlet of first compressor (30) passes through
Second valve road of first four-way valve (70) is connected with first condenser (20).
7. solution dehumidification unit according to claim 1, it is characterised in that first heat pump (10) also includes：
Water pipe (80), the water pipe (80) connects with the liquid reserve tank of first regeneration unit (11), with to described
Moisturizing in the liquid reserve tank of the first regeneration unit (11)；Wherein, it is provided with choke valve (81) on the water pipe (80).
8. solution dehumidification unit according to claim 2, it is characterised in that set on first spray pipeline (111)
There is the first regeneration pump (90), the import of first regeneration pump (90) is connected with the liquid reserve tank of first regeneration unit (11),
The outlet of first regeneration pump (90) and the inlet communication of first heat exchanger channels.
9. solution dehumidification unit according to claim 1, it is characterised in that the multilevel heat pump system also includes the second heat
Pumping system (100), second heat pump (100) includes the second regeneration unit (101) and Dehumidifying element (102), described to remove
The liquid reserve tank of wet unit (102) connects to form solution circulation loop with the liquid reserve tank of second regeneration unit (101)；Its
In, the liquid reserve tank of second regeneration unit (101) is connected with the liquid reserve tank of first regeneration unit (11).
10. solution dehumidification unit according to claim 9, it is characterised in that second heat pump (100) also includes
Second heat exchanging pipe (103), second regeneration unit (101) includes the second spray pipeline (104), the Dehumidifying element
(102) including the 3rd spray pipeline (105), second heat exchanging pipe (103) is with second spray pipeline (104) by
Two condensers (120) exchange heat, and second heat exchanging pipe (103) is with the 3rd spray pipeline (105) by evaporator (130)
Heat exchange.
11. solution dehumidification units according to claim 9, it is characterised in that the solution dehumidification unit also includes first
Circulation line (210), second circulation pipeline (220) and interstage flow heat exchanger (110), the first circulation pipeline (210) and institute
State second circulation pipeline (220) and be connected with the interstage flow heat exchanger (110) and changed with by the interstage flow heat exchanger (110)
Heat；Wherein, one end of the first circulation pipeline (210) connects with the liquid reserve tank of the Dehumidifying element (102), and described first follows
The other end on endless tube road (210) is connected with the liquid reserve tank of second regeneration unit (101)；The second circulation pipeline (220)
One end connected with the liquid reserve tank of the Dehumidifying element (102), the other end and described second of the second circulation pipeline (220)
The liquid reserve tank connection of regeneration unit (101).
A kind of 12. air-conditioners, including solution dehumidification unit, it is characterised in that the solution dehumidification unit is claim 1 to 11
Any one of solution dehumidification unit.
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| CN201710211597.8A CN106813325B (en) | 2017-03-31 | 2017-03-31 | Solution dehumidification unit and air conditioner with same |
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| CN201710211597.8A CN106813325B (en) | 2017-03-31 | 2017-03-31 | Solution dehumidification unit and air conditioner with same |
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|---|---|
| CN106813325B (en) | 2023-04-11 |
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