CN108758875A - A kind of hygroscopic solution regenerative system - Google Patents
A kind of hygroscopic solution regenerative system Download PDFInfo
- Publication number
- CN108758875A CN108758875A CN201810623698.0A CN201810623698A CN108758875A CN 108758875 A CN108758875 A CN 108758875A CN 201810623698 A CN201810623698 A CN 201810623698A CN 108758875 A CN108758875 A CN 108758875A
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- Prior art keywords
- valve
- liquid
- hygroscopic solution
- regenerator
- regenerative system
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- 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.)
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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
-
- 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 provides a kind of hygroscopic solution regenerative system, including evacuated collector tube, regenerator, condenser, conduit, liquid feed valve, liquid valve and air bleeding valve；The evacuated collector tube both ends are connect by conduit with the regenerator, and liquid circulation loop is formed；In the regenerator overhead, the liquid valve is arranged in regenerator bottoms for the liquid feed valve setting；The regenerator is connect with the condenser by being provided with the conduit of air bleeding valve.A kind of hygroscopic solution regenerative system provided by the invention directly utilizes solar energy heating hygroscopic solution by way of free convection, simplifies regenerative system heat transfer process, reduces the O&M expense of equipment, improves the heat exchange efficiency in hygroscopic solution regenerative process；By mass detector, accurately controlling to the actified solution mass concentration size of output is realized.
Description
Technical field
The present invention relates to solar energy heat utilization fields, more particularly to a kind of hygroscopic solution regenerative system.
Background technology
Hygroscopic solution is also referred to as dehumidification solution, is utilized extensively in our daily lifes, such as absorption refrigeration
Lithium-bromide solution in air-conditioner set is exactly common one of hygroscopic solution.Hygroscopic solution is special using the strong hygroscopicity of itself
Point enables the mass concentration of itself reduce while absorption to moisture, the smaller hygroscopic solution of this mass concentration is referred to as
Actified solution；It enables hygroscopic solution be diluted to actified solution, needs consumption of calorie, make the moisture evaporation inside hygroscopic solution, this
A process is known as the regenerative process of hygroscopic solution.
Heat needed for hygroscopic solution regenerative process usually by the energy such as electrical heat energy, chemical energy, solar energy by heat exchange,
Heat treatment process provides.In view of economy, the feature of environmental protection, operability etc., in practical industrial and agricultural production and daily life
Middle use generally believes that it is optimal option to provide heat using solar energy for the regenerative process of hygroscopic solution.
Current mainstay scheme is that solar energy and the hygroscopic solution of collection are carried out by heat-exchange apparatus such as coil pipes
Heat exchange, to be heated to hygroscopic solution so that the evaporation of its internal moisture, complete hygroscopic solution regenerative process.But this type
Design in the prevalence of following two problems：The circuit of the entire circulatory system will certainly be enabled to increase first, increasing heat-exchange apparatus
It is long, and the growth in circuit necessarily will increase the heat dissipation of whole system, and this heat dissipation is difficult to prevent；Second is that hygroscopic solution
There is higher corrosivity to metals such as red coppers in the case of antivacuum, and existing heat-exchange apparatus is generally with copper pipe
It is main, if corrosion phenomenon occurs, incoagulable gas is will produce, the heat exchanger effectiveness of regenerative system is enabled to reduce, serious corrosion is existing
As being also possible to that heat-exchange apparatus is made to damage, the safe operation of regenerative system is influenced.
In addition, existing regenerative system generally use forced convertion mode transports hygroscopic solution, increase the whole consumption of system
Can, increase the O&M expense burden of equipment, and the mass concentration size of generated actified solution can not be controlled very well.
Invention content
The present invention is to overcome above-mentioned existing regenerative system heat exchange cycle system long, and there are heat dissipations in heat transfer process
Greatly, the low technical problem of heat exchange efficiency provides a kind of hygroscopic solution regenerative system.
The hygroscopic solution regenerative system also overcomes existing regenerative system can not control generated actified solution very well
Mass concentration size the technical issues of.
In order to solve the above technical problems, technical scheme is as follows：
A kind of hygroscopic solution regenerative system, including evacuated collector tube, regenerator, condenser, conduit, liquid feed valve, liquid valve and row
Air valve；The evacuated collector tube both ends are connect by conduit with the regenerator, and liquid circulation loop is formed；The liquid feed valve is set
It sets in the regenerator overhead, the liquid valve is arranged in regenerator bottoms；The regenerator passes through setting with the condenser
There is the conduit of air bleeding valve to connect.
In said program, opening liquid feed valve makes hygroscopic solution enter in regenerator from there, in evacuated collector tube and regeneration
Closed circuit is formed between device；Evacuated collector tube is heated to entering its internal hygroscopic solution first, then because of vacuum heat-collecting
There are the effects of density contrast with unheated hygroscopic solution for hygroscopic solution in pipe, make hygroscopic solution in evacuated collector tube regenerator
Free convection is recycled in the closed circuit of formation, until hygroscopic solution is heated to required concentration；At the same time, moisture absorption is molten
The steam that liquid generates when heated from air bleeding valve be discharged, into condenser through being cooled into distilled water, to realize that moisture absorption is molten
The regeneration of liquid eliminates the intermediate link of heat exchanger, simplifies heat transfer process, reduces the O&M expense of equipment, and it is molten to improve moisture absorption
Heat exchange efficiency in liquid regenerative process.
Wherein, it is provided with beam condensing unit on the evacuated collector tube；The beam condensing unit is parabolic reflector.
In said program, the setting of beam condensing unit improves the heat build-up ability of evacuated collector tube, improves thermal transition efficiency.
Wherein, the condenser top is connect by being provided with the conduit of air bleeding valve with the regenerator, condenser bottom end
It is provided with liquid outlet；The condenser is internally provided with the heat exchange coil for heat exchange, is connected with from bottom to top in heat exchange coil
The condensed water of flowing.
In said program, the distilled water formed by condenser is flowed out by the liquid outlet that condenser bottom end is arranged.
Wherein, the regenerative system further includes distilled water tank, and the distilled water tank is connect by conduit with the condenser；
The liquid outlet of the distilled water tank is provided with distilled water liquid valve.
In said program, the setting of distilled water tank can complete the collection to distilled water after condensation, facilitate the profit of next step
With.
Wherein, it is provided with circulation control valve on the liquid circulation loop；The liquid valve, air bleeding valve, loop control
Valve, distilled water liquid valve are disposed as solenoid valve；The liquid valve, circulation control valve, is all provided on distilled water liquid valve air bleeding valve
It is equipped with power module, control module and wireless communication module；The power module is the control module, wireless communication module confession
Electricity；The control module is electrically connected with the wireless communication module.
Wherein, it is provided with mass detector on the distilled water tank bottom interior surface；It is arranged on the mass detector
There is wireless communication module, establishes wireless communication respectively with the liquid valve, air bleeding valve, circulation control valve, distilled water liquid valve and connect
It connects.
In said program, mass detector is realized with the liquid valve, air bleeding valve, circulation control valve, distilled water liquid valve
Accurately controlling to the actified solution mass concentration size of output is realized in wireless telecommunications, preferably system integration.
Compared with prior art, the advantageous effect of technical solution of the present invention is：
A kind of hygroscopic solution regenerative system provided by the invention directly utilizes solar energy heating to inhale by way of free convection
Wet solution simplifies regenerative system heat transfer process, reduces the O&M expense of equipment, improves the heat exchange effect in hygroscopic solution regenerative process
Rate；By the mass detector, accurately controlling to the actified solution mass concentration size of output is realized.
Description of the drawings
Fig. 1 is hygroscopic solution regenerative system structural schematic diagram.
Fig. 2 is hygroscopic solution regenerative system circuit connection diagram.
Wherein：1, evacuated collector tube；2, regenerator；3, condenser；4, conduit；5, liquid feed valve；6, liquid valve；7, it is vented
Valve；8, beam condensing unit；9, circulation control valve；10 distilled water tanks；11, distilled water liquid valve；12, power module；13, mould is controlled
Block；14, wireless communication module；15, mass detector.
Specific implementation mode
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to more preferably illustrate that the present embodiment, the certain components of attached drawing have omission, zoom in or out, the ruler of actual product is not represented
It is very little；
To those skilled in the art, the omitting of some known structures and their instructions in the attached drawings are understandable.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
As shown in Figure 1, 2, a kind of hygroscopic solution regenerative system, including evacuated collector tube 1, regenerator 2, condenser 3, conduit
4, liquid feed valve 5, liquid valve 6 and air bleeding valve 7；1 both ends of the evacuated collector tube are connect by conduit 4 with the regenerator 2, are formed
Liquid circulation loop；The setting of the liquid feed valve 5 is arranged in 2 top of the regenerator, the liquid valve 6 in 2 bottom of regenerator；Institute
Regenerator 2 is stated to connect by being provided with the conduit of air bleeding valve 7 with the condenser 3.
In specific implementation process, the evacuated collector tube 1 is with horizontal line direction at angle, angleSize be 10 °-
30 °, 2 lower-left end of the regenerator is connected by conduit 4 with 1 one end of evacuated collector tube, left portion and 1 other end of evacuated collector tube
It is connected, under the connection of conduit 4, forms the closed circuit that the hygroscopic solution can be made to flow freely；It is set on the regenerator 2
Be equipped with the inlet and liquid outlet passed in and out for the hygroscopic solution, the liquid feed valve 5, liquid valve 6 be separately positioned on inlet,
At liquid outlet.
In specific implementation process, opening liquid feed valve 5 makes hygroscopic solution enter in regenerator 2 from there, in vacuum heat-collecting
Closed circuit is formed between pipe 1 and regenerator 2；Evacuated collector tube 1 is heated to entering its internal hygroscopic solution first, then
Because hygroscopic solution and the unheated hygroscopic solution in evacuated collector tube 1 are there are the effect of density contrast, make hygroscopic solution in vacuum
Free convection is recycled in the closed circuit that thermal-collecting tube 1, regenerator 2 are formed, until hygroscopic solution is heated to required concentration；
At the same time, the steam that hygroscopic solution generates when heated is discharged from air bleeding valve 7, is distilled into condenser 3 through being cooled into
Water eliminates the intermediate link of heat exchanger, simplifies heat transfer process to realize the regeneration of hygroscopic solution, reduces the fortune of equipment
Dimension expense improves the heat exchange efficiency in hygroscopic solution regenerative process.
More specifically, beam condensing unit 8 is provided on the evacuated collector tube 1；The beam condensing unit 8 is that paraboloid is reflective
Mirror.
In specific implementation process, beam condensing unit 8 is reflected into sunlight on evacuated collector tube 1 by way of reflection,
In evacuated collector tube 1, solar energy is converted into thermal energy, and passes to the hygroscopic solution in evacuated collector tube 1；Regenerator 2 is used for
Hygroscopic solution is contained, and is equipped with liquid feed valve 5 higher than the part of the liquid level of its internal hygroscopic solution in the regenerator and is used for regeneration
The hygroscopic solution of low concentration is added in device 2；Evacuated collector tube 1 can form closed cavity between the two with regenerator 2 and moisture absorption is molten
Liquid can naturally flow in regenerative process in the closed circuit；In addition to this, the row of being also provided on the closed cavity
Gas port and liquid outlet, and the air bleeding valve 7 and liquid valve 6 of control gas-liquid disengaging are respectively provided on exhaust outlet and liquid outlet.
More specifically, the regenerative system further includes distilled water tank 10, the distilled water tank 10 by conduit 4 with it is described cold
Condenser 3 connects；The liquid outlet of the distilled water tank 10 is provided with distilled water liquid valve 11.
More specifically, circulation control valve 9 is provided on the liquid circulation loop；The liquid valve 6, follows at air bleeding valve 7
Ring control valve 9, distilled water liquid valve 11 are disposed as solenoid valve；The liquid valve 6, air bleeding valve 7, circulation control valve 9, distilled water
Power module 12, control module 13 and wireless communication module 14 are both provided on liquid valve 11；The power module 12 is described
Control module 13, wireless communication module 14 are powered；The control module 13 is electrically connected with the wireless communication module 14；Institute
It states and is provided with mass detector 15 on 10 bottom interior surface of distilled water tank；It is provided with radio communication mold on the mass detector 15
Block 14 establishes wireless communication connection with the liquid valve 6, air bleeding valve 7, circulation control valve 9, distilled water liquid valve 11 respectively.
In specific implementation process, in order to improve the intelligence of this system, make it can in the state of unartificial control
It smoothly realizes the regenerative process of hygroscopic solution, and exports the actified solution of required mass concentration automatically, and automatic output distillation
Water.This system is equipped with mass detector 15.Wherein, mass detector 15 is used to detect the quality of distilled water in distilled water tank 10,
It can be indicated with m1.Mass detector 15 can also preset threshold quality m0, m0 according to the suction being added from hygroscopic solution liquid feed valve 5
Mass concentration a, the gross mass m of wet solution is determined.Mass detector 15 be arranged in the bottom interior surface of distilled water tank 10 and with
There is communication to connect between circulation control valve 9, liquid valve 6, air bleeding valve 7, distilled water liquid valve 11 4, can be examined by the quality
Survey the on off state that device 15 controls four solenoid valves.
In specific implementation process, liquid feed valve 5 is first opened, the hygroscopic solution of low concentration is added, records the suction being added at this time
Wet concentration of polymer solution a and gross mass m；As the water quality m1 < m0 in distilled water tank 10, circulation control valve 9 is opened, is made
Hygroscopic solution in the closed circuit formed by evacuated collector tube 1 and regenerator 2 forms nature flowing under density contrast effect；It beats
Begin to rehearse air valve 7, and the steam generated in regenerative process is made to enter in condenser 3, and is condensed into distilled water and enters distilled water tank 10；On
Liquid valve 6 and distilled water liquid valve 11 during stating remain off.As water quality m1=m0 in distilled water tank 10,
Circulation control valve 9, air bleeding valve 7 are closed, and liquid valve 6, distilled water liquid valve 11 are opened, and export the regeneration of required mass concentration respectively
Solution and distilled water.After both exporting, this wheel regenerative process terminates.By above procedure it is found that in not excessive people
Under the premise of work assists, this hygroscopic solution regenerative system is capable of the regenerative process of complete independently hygroscopic solution, and can be according to institute
Generate the quality of distilled water, the actified solution and distilled water of the automatic required concentration of output；The design disclosure satisfy that it is different too
To the heat exchange of hygroscopic solution under positive intensity of illumination, the higher hygroscopic solution regenerative process of the degree of automation is realized.
In specific implementation process, in order to enable the steam generated in hygroscopic solution regenerative process to be smoothly discharged, it can incite somebody to action
Air bleeding valve 7 is arranged on the top of regenerator 2；The setting fully meets the principle of gas rising, and makes steam from the top of regenerator 2
Portion rises discharge.
In specific implementation process, in order to further make the hygroscopic solution into this system smoothly form closed circulation
Liquid stream, and the principle that hot solution rises, cold soln declines is catered to, evacuated collector tube 1 can be arranged on the top of regenerator 2,
Conduit 4 is arranged in the bottom of regenerator 2, so that the free convection of the hygroscopic solution of internal system is more smooth.
In specific implementation process, evacuated collector tube 1 is orthogonal with direct sunlight light, angle i.e. in 90 ° in order to make, with most
Bigization ground absorbs solar radiant energy；In actual design process, can specifically it be designed according to different use environments, such as vacuum collection
Heat pipe 1 and the angle on ground can be depending on the latitudes where locality.
Embodiment 1
The hygroscopic solution regenerative system, the lithium-bromide solution that design power of regeneration is 10kg/h are being thrown as hygroscopic solution
The collection area of object plane reflective mirror is 5, daytime on the same day sun mean radiation intensity be 700W/, light gathering efficiency be 50%
In the case of, the concentration of lithium-bromide solution is promoted from 50% to during 60%, the temperature highest of lithium-bromide solution can reach
To 270 DEG C, the reproducible lithium-bromide solution of whole day is about 60kg-80kg.
Embodiment 2
The hygroscopic solution regenerative system, the lithium-bromide solution that design power of regeneration is 15kg/h are being thrown as hygroscopic solution
The collection area of object plane reflective mirror is 5, daytime on the same day sun mean radiation intensity be 700W/, light gathering efficiency be 52%
In the case of, the concentration of lithium-bromide solution is promoted from 50% to during 60%, the temperature highest of lithium-bromide solution can reach
To 182 DEG C, the reproducible lithium-bromide solution of whole day is about 90kg-120kg.
Embodiment 3
The hygroscopic solution regenerative system, the lithium-bromide solution that design power of regeneration is 20kg/h are being thrown as hygroscopic solution
The collection area of object plane reflective mirror 1 is 5, daytime on the same day sun mean radiation intensity be 700W/, light gathering efficiency be 54%
In the case of, the concentration of lithium-bromide solution is promoted from 50% to during 60%, the temperature highest of lithium-bromide solution can reach
To 138 DEG C, the reproducible lithium-bromide solution of whole day is about 120kg-160kg.
Embodiment 4
The hygroscopic solution regenerative system, the lithium-bromide solution that design power of regeneration is 25kg/h are being thrown as hygroscopic solution
The collection area of object plane reflective mirror 1 is 5, daytime on the same day sun mean radiation intensity be 700W/, light gathering efficiency be 56%
In the case of, the concentration of lithium-bromide solution is promoted from 50% to during 60%, the temperature highest of lithium-bromide solution can reach
To 112 DEG C, the reproducible lithium-bromide solution of whole day is about 150kg-200kg.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (10)
1. a kind of hygroscopic solution regenerative system, it is characterised in that：Including evacuated collector tube（1）, regenerator（2）, condenser（3）,
Conduit（4）, liquid feed valve（5）, liquid valve（6）And air bleeding valve（7）；The evacuated collector tube（1）Both ends pass through conduit（4）With it is described
Regenerator（2）Connection forms liquid circulation loop；The liquid feed valve（5）It is arranged in the regenerator（2）Top, it is described go out liquid
Valve（6）It is arranged in regenerator（2）Bottom；The regenerator（2）With the condenser（3）By being provided with air bleeding valve（7）Lead
Pipe（4）Connection.
2. hygroscopic solution regenerative system according to claim 1, it is characterised in that：In the evacuated collector tube（1）On set
It is equipped with beam condensing unit（8）.
3. hygroscopic solution regenerative system according to claim 2, it is characterised in that：The beam condensing unit（8）For paraboloid
Reflective mirror.
4. hygroscopic solution regenerative system according to claim 1, it is characterised in that：The condenser（3）Top is by setting
It is equipped with air bleeding valve（7）Conduit（4）With the regenerator（2）Connection, condenser（3）Bottom end is provided with liquid outlet.
5. hygroscopic solution regenerative system according to claim 1, it is characterised in that：The condenser（3）It is internally provided with
For the heat exchange coil of heat exchange, the condensed water flowed from bottom to top is connected in heat exchange coil.
6. according to claim 1 ~ 5 any one of them hygroscopic solution regenerative system, it is characterised in that：It further include distilled water tank
（10）, the distilled water tank（10）Pass through conduit（4）With the condenser（3）Connection；In the distilled water tank（10）Go out liquid
Mouth is provided with distilled water liquid valve（11）.
7. hygroscopic solution regenerative system according to claim 6, it is characterised in that：It is arranged on the liquid circulation loop
There is circulation control valve（9）.
8. hygroscopic solution regenerative system according to claim 7, it is characterised in that：The liquid valve（6）, air bleeding valve（7）,
Circulation control valve（9）, distilled water liquid valve（11）It is disposed as solenoid valve.
9. hygroscopic solution regenerative system according to claim 8, it is characterised in that：The liquid valve（6）, air bleeding valve（7）,
Circulation control valve（9）, distilled water liquid valve（11）On be both provided with power module（12）, control module（13）And radio communication mold
Block（14）；The power module（12）For the control module（13）, wireless communication module（14）Power supply；The control module
（13）With the wireless communication module（14）It is electrically connected.
10. hygroscopic solution regenerative system according to claim 9, it is characterised in that：In the distilled water tank（10）Bottom
Mass detector is provided on inner surface（11）；The mass detector（11）On be provided with wireless communication module（14）, with institute
State liquid valve（6）, air bleeding valve（7）, circulation control valve（9）, distilled water liquid valve（11）Wireless communication connection is established respectively.
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| CN201810623698.0A CN108758875A (en) | 2018-06-15 | 2018-06-15 | A kind of hygroscopic solution regenerative system |
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| CN201810623698.0A CN108758875A (en) | 2018-06-15 | 2018-06-15 | A kind of hygroscopic solution regenerative system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110454992A (en) * | 2019-07-19 | 2019-11-15 | 广东工业大学 | A kind of spinning Salar light-gathering solution regeneration system |
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