CN105964001A - Solar-driven saline solution regeneration device - Google Patents
Solar-driven saline solution regeneration device Download PDFInfo
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- CN105964001A CN105964001A CN201610490388.7A CN201610490388A CN105964001A CN 105964001 A CN105964001 A CN 105964001A CN 201610490388 A CN201610490388 A CN 201610490388A CN 105964001 A CN105964001 A CN 105964001A
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- solution
- plate
- saline solution
- regenerating unit
- metal fiber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0029—Use of radiation
- B01D1/0035—Solar energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a solar-driven saline solution regeneration device. The solar-driven saline solution regeneration device comprises a glass cover plate, a heat collection plate, liquid-permeable isolation layers and a shell. The heat collection plate is arranged between the glass cover plate and a bottom plate of the shell to form a storage cavity with the bottom plate of the shell, the liquid-permeable isolation layers are arranged in the storage cavity and partition the storage cavity into dilute solution passages and thick solution-air passages, the dilute solution passages are formed between the liquid-permeable isolation layers and the heat collection plate, and the thick solution-air passages are formed between the liquid-permeable isolation layers and the bottom of the shell. By taking full advantages of large daylighting area, simple structure and operation reliability of a flat plate solar collector, heat exchange area and heat exchange efficiency of the heat collection plate are guaranteed while high regeneration temperature and vapor partial pressure of a dilute solution can be realized through direct contact and heat transfer between the heat collection plate and a saline solution. In addition, due to a large specific surface area provided by the liquid-permeable isolation layers, a heat and mass transfer process is generated between the dilute solution and air passing through the surface under the action of temperature difference and vapor partial pressure difference, and accordingly a concentration energy storage regeneration process of the dilution solution is realized.
Description
Technical field
The present invention relates to solar thermal utilization and solution humidifying field of air conditioning, the salt being specifically related to a kind of Driven by Solar Energy is molten
Liquid regenerating unit.
Background technology
Solar energy is as a kind of clean reproducible energy, and its heat utilization technology is greatly developed in China in recent years.Root
According to related data, China's solar energy annual radiant all quality is more than 5000MJ/m2, and the regional sunshine in year accounting for area 2/3rds is little
Time number more than 2200 hours, end 2015, China's solar energy industry recoverable amount reaches 400,000,000 square metres, increases by 20% every year
Above, application potential is the hugest, has extremely vast potential for future development.
Air dewetting (or humidification) process is the important step that architecture indoor thermal and humidity environment builds process, at corresponding humidity
Reason method is to meet building comfortableness or the primary condition of manufacturability demand.In the historical background that energy-saving and emission-reduction situation is increasingly serious
Under, air humidity processing procedure needs to improve further efficiency of energy utilization, it is achieved Effec-tive Function.Solution humidifying technology is a kind of
Can effectively meet air humidity and process demand, comprehensively utilize the highly effective air damping mode of the multiple grade energy, colder than traditional
Solidifying dehumidifying has more significant advantage, has become a big study hotspot of filed of air conditioning.Solution humidifying is to utilize air
Directly contact with the saline solution of easy moisture absorption and carry out hot and humid area, thus reach the purpose of air wetting or dehumidifying.Solution regeneration dress
Putting is an important ingredient in solution dehumidification system, and its operation conditions, efficiency and initial cost directly affect system
Performance and economy.Solution reclaiming process need consume amount of heat, required heat source temperature level generally at about 70 DEG C, this
Just the utilization for various low-grade heat sources provides advantage, such as solar energy, industrial exhaust heat etc..Therefore, solar energy is utilized to enter
The regeneration of row solution can be greatly reduced the conventional energy consumption of solution humidifying air conditioning system, improves economy and the energy saving of system.
Existing solar energy solution regeneration mainly has two kinds: one to be to utilize conventional solar vacuum heat-collecting pipe to produce
Hot water, then hot water realizes solution reclaiming process by the indirect heated solution of heat exchanger, and this method has system complex, regeneration
The shortcomings such as efficiency is low；Two is to be combined with flat-plate solar heat collector by solution regenerator, takes full advantage of plate
The advantages such as solar thermal collector daylighting area is big, simple in construction, reliable operation, but there is also that cross-ventilation heat loss is big, water steams
Gas easily condenses in the first-class shortcoming of glass cover-plate inner surface so that heat exchange efficiency and solution regeneration efficiency reduce.It is therefore desirable to open
Send out a kind of novel solutions regenerating unit, to make up the shortcoming of flat-plate solar heat collector solution regeneration, improve the heat of solar energy
Utilization ratio and the regeneration efficiency of solution.
Summary of the invention
For the deficiency of currently available technology, the present invention provides a kind of solar thermal utilization efficiency high, solution regeneration effect
The regenerative device of solution of good Driven by Solar Energy.
For achieving the above object, according to an aspect of the invention, it is provided the saline solution of a kind of Driven by Solar Energy regenerates
Device, saline solution regenerating unit includes collecting plate, transparent liquid sealing coat and housing, and collecting plate is arranged in housing, and with housing it
Between formed and accommodate chamber, transparent liquid sealing coat is arranged on receiving intracavity, and is divided in receiving chamber and is positioned at transparent liquid sealing coat and collecting plate
Between weak solution passage, concentrated solution-air duct between transparent liquid sealing coat and housing bottom.
Further, the top cover of housing is provided with glass cover-plate, and collecting plate is between glass cover-plate and housing bottom.
Further, housing includes inner shell, shell and the heat-insulation layer being arranged between inner shell and shell.
Further, transparent liquid sealing coat is metal fiber felt, and the surface of metal fiber felt processes through hydrophilic nano coating.
Further, metal fiber felt is the network structure of porous high-specific surface area.
Further, multiple mutually isolated weak solution passage, metallic fiber are formed between metal fiber felt and collecting plate
The cross section of felt is waveform configuration.
Further, the cross section of metal fiber felt is triangular wave, and each side plate of metal fiber felt is straight plate.
Further, saline solution regenerating unit also includes weak solution separatory groove and concentrated solution collecting tank, weak solution separatory groove
Be arranged on the upside of hull outside, and with weak solution channel connection, concentrated solution collecting tank is arranged on the downside of hull outside, and with
Concentrated solution channel connection, weak solution separatory groove is provided with dilute solution inlet, and concentrated solution collecting tank is provided with concentrated solution outlet.
Further, saline solution regenerating unit includes weak solution separatory groove and concentrated solution collecting tank, weak solution separatory groove and
Concentrated solution collecting tank is positioned at the same side of housing, or is positioned at the opposite sides of housing.
The present invention utilizes solar energy as thermal source, makes full use of that flat-plate solar heat collector daylighting area is big, structure is simple
Single, the feature of reliable operation is while the heat exchange area ensureing collecting plate and heat exchange efficiency, straight with saline solution by collecting plate
Connect transmission of heat by contact, make weak solution obtain higher regeneration temperature and steam partial pressure.Meanwhile, this device utilizes transparent liquid sealing coat
The huge specific surface area provided so that occur heat transfer to pass because of the temperature difference and water vapor partial pressure differential between air and the weak solution of both sides
Matter process, thus realize weak solution and concentrate the regenerative process of accumulation of energy.
Accompanying drawing explanation
Saline solution regenerating unit embodiment one structural representation of Fig. 1: Driven by Solar Energy；
Fig. 2: along the profile in Fig. 1 vertical air flow direction；
Fig. 3: the profile of line A-A along Fig. 2；
Fig. 4: the profile of line B-B along Fig. 2；
Fig. 5: the profile of line C-C along Fig. 2；
The regenerative device of solution embodiment two of Fig. 6: Driven by Solar Energy is along the profile of air-flow direction.
Wherein, relevant reference is as follows:
1, glass cover-plate；2, collecting plate；3, weak solution passage；4, metal fiber felt；5, concentrated solution；6, concentrated solution-air
Passage；7, heat-insulation layer；8, inner shell；9, shell；10, weak solution separatory groove；11, concentrated solution collecting tank；12, dilute solution inlet；13、
Concentrated solution exports.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described further, elaborates more in the following description
Details so that fully understanding the present invention, but the present invention obviously can come real with multiple this alternate manner described that be different from
Executing, those skilled in the art can should be used as similar popularization, deduction according to actual in the case of intension of the present invention,
The most should be with content constraints protection scope of the present invention of this specific embodiment.
In conjunction with Fig. 1 and Fig. 2, this device specifically include that glass cover-plate 1, collecting plate 2, weak solution passage 3, transparent liquid sealing coat,
Dense molten-air duct 6, weak solution separatory groove 10, concentrated solution collecting tank 11, dilute solution inlet 12 and concentrated solution outlet 13.Thermal-arrest
Plate 2 is arranged in described housing, and and described housing between formed accommodate chamber, described transparent liquid sealing coat is arranged on described receiving chamber
In, and described receiving chamber is divided into the weak solution passage 3 between described transparent liquid sealing coat and described collecting plate, is positioned at institute
State the concentrated solution-air duct 6 between transparent liquid sealing coat and described housing bottom.Housing includes heat-insulation layer 7, inner shell 8 and shell
9, heat-insulation layer 7 is between inner shell 8 and shell 9.Transparent liquid sealing coat for example, metal fiber felt 4.From Fig. 1～Fig. 2, this dress
Put the radiation heat transfer process related to altogether between solar energy and collecting plate 2, the diabatic process between collecting plate 2 and weak solution and sky
Heat and mass transfer process between gas and weak solution.
The present invention utilizes solar energy as thermal source, makes full use of that flat-plate solar heat collector daylighting area is big, structure is simple
Single, the feature of reliable operation, while the heat exchange area ensureing collecting plate 2 and heat exchange efficiency, by collecting plate 2 and saline solution
Direct contact heat transfer, makes weak solution obtain higher regeneration temperature and steam partial pressure.Meanwhile, this device utilizes transparent liquid to isolate
The huge specific surface area that layer provides so that conduct heat because of the temperature difference and water vapor partial pressure differential between air and the weak solution of both sides
Mass transport process, thus realize weak solution and concentrate the regenerative process of accumulation of energy.
As it is shown in figure 1, the end of this device is provided with weak solution separatory groove 10 and concentrated solution collecting tank 11, need the dilute of regeneration
After solution is entered weak solution separatory groove 10 by dilute solution inlet 12, it is distributed in metal fiber felt 4 and thermal-arrest by weak solution passage 3
Space between plate 2.Concentrated solution after concentration flows into concentrated solution collecting tank 11, finally from dense molten by concentrated solution-air duct 6
Liquid outlet 13 flows out to use device or storage device.
As in figure 2 it is shown, this apparatus surface is glass cover-plate 1, primarily serve the protective effect to its underpart collecting plate 2.Should
Glass cover-plate 1 has high intensity, corrosion-resistant and shock proof characteristic, and has high impingement rate and antiradar reflectivity to solar radiation, can
Transmission shortwave heat ray, stops long wave heat ray, can effectively reduce collecting plate 2 surface through the outside heat loss through radiation of glass cover-plate 1
Loss, is conducive to improving the efficiency of collecting plate 2.The space at collecting plate 2 back is divided into two parts by metal fiber felt 4, wherein
For the weak solution passage 3 that need to regenerate between metal fiber felt 4 and collecting plate 2, between metal fiber felt 4 and inner shell 8 be concentrated solution-
Air duct 6.Collecting plate 2 has good heat conductivility, and outer surface is covered with solar absorptance coating, and it absorbs sun spoke
After penetrating energy, temperature raises, and transfers heat to weak solution inside collecting plate, makes solution temperature and steam partial pressure raise.
The flow direction of the air in concentrated solution-air duct 6 is contrary with the flow direction of concentrated solution or identical.
In the present invention, metal fiber felt is preferably made with anti-corrosion metal material, such as containing the rustless steel of molybdenum, titanium, titanium alloy,
Monel etc..Certainly, the invention is not restricted to this.The concrete manufacturing process of metal fiber felt is, by being pulled into by non-corrosive metal (NCM)
Silk, is then woven into network structure, and multilamellar reticular fiber is superimposed, then high temperature sintering, is pressed into tabular, the most brewed chemistry
Reagent carries out nano surface coating technology process, makes metal fiber felt.
The cross section of metal fiber felt is waveform configuration, and in the present embodiment, metal fiber felt 4 is triangular wave, and arranges
Become the mode of multiple end to end W type, the space between collecting plate 2 and metal fiber felt 4 is divided into the triangle of mutually partition
Post shaped passage, this arrangement can utilize the heat exchange area of collecting plate 2 cmpletely, and make air and metal fiber felt 4
Contact area effectively improve, thus add the regeneration efficiency of solution.And, this kind of arrangement makes again air warp
Out-of-date disturbance strengthens, and improves the heat and mass transfer coefficient of air and metal fiber felt 4 surface liquid film so that heat exchange efficiency and biography
Matter efficiency is improved.
Additionally, described metal fiber felt 4 has anti-saline solution corrosive nature and surface carries out hydrophilic nano coating process,
And there is the network structure of porous high-specific surface area, its construction features determines the surface tension effects of available solution, expands
Big solution cloth liquid level on metal fiber felt 4 amasss, and thus can obtain the effective contact area of high performance gas-liquid and air with molten
Heat and mass transfer coefficient between liquid.Weak solution after collecting plate 2 heats passes through metal fiber felt 4 at concentrated solution-air duct 6
Side formed liquid film, rely on water vapor partial pressure differential difference realize the moisture transmittance process between solution and air, thus
Make weak solution become concentrated solution, and entered the space of metal fiber felt 4 bottom by pressure and action of gravity, dense molten after regeneration
Liquid stream is to concentrated solution collecting tank 11.
Fig. 3～Fig. 5 be the embodiment one of the saline solution regenerating unit of Driven by Solar Energy be the section along air-flow direction
Figure, in this embodiment, metal fiber felt 4 is triangular wave, and the crest of triangular wave contacts with collecting plate 2, triangular wave
The contacts baseplate of trough and inner shell 8, thus and between collecting plate 2, form multiple mutually isolated weak solution passage 3.In conjunction with figure
1 and Fig. 2 understands, and on different cross sections, the distribution of weak solution, air and concentrated solution is different.This kind of arrangement master
If for the surface area increasing metal fiber felt 4 while making full use of collecting plate 2 area, thus forming bigger gas-liquid and connect
Contacting surface is amassed, and improves the regeneration efficiency of solution.Therefore, while ensureing certain solution regeneration efficiency, metal can suitably be adjusted
The version of fiber felt 4, such as, for from the point of view of metal fiber felt 4 that cross section is waveform, each side plate of metal fiber felt can
To be set to the straight plate of flat board, it is also possible to be set to other kinds of corrugated sheet, it is preferable that this side plate is designed as the straight plate of flat board, from
And the contact area of metal fiber felt 4 and the air in concentrated solution-air duct 6 can be improved by the waveform configuration of side plate,
Form bigger gas liquid interfacial area, improve the regeneration efficiency of solution further.The most such as embodiment two shown in Fig. 6, this is real
Executing example is the saline solution regenerating unit arrangement along the profile of air-flow direction, in this embodiment, metal fiber felt 4
For triangular wave, and the crest of triangular wave does not contacts with collecting plate 2, but the base plate of the trough of triangular wave and inner shell 8 it
Between be spaced, between trough and the concentrated solution 5 of triangular wave also and not in contact with.Although the metal fiber felt of embodiment one
The set-up mode of 4 is slightly different with the set-up mode of the metal fiber felt 4 in embodiment two, but metal fiber felt 4 is in embodiment
One and embodiment two role should be identical, i.e. separate the space at collecting plate 2 back, it is provided that the independence of air and solution
Circulation passage.
The optimal mounting means of saline solution regenerating unit is vertical or tilts to install, when using both mounting means, dilute
The optimum arrangement mode of solution separatory groove and concentrated solution collecting tank is: weak solution separatory groove is positioned at the top of described device, dense molten
Liquid collecting tank is positioned at the bottom of described device, and air enters from bottom along air duct, flows out from top, with the flowing of weak solution
Direction forms adverse current.Air duct can be connected with blower fan, thus ensures air flowing speed in concentrated solution-air duct 6
Degree and flow direction, improve the heat and mass efficiency of air and weak solution.
It should be noted that metal fiber felt 4 described in Fig. 1～Fig. 5 and structural arrangement form thereof are only that preferably solution is again
Generation method, should be in this, as the protection domain restriction to actual requirement of the present invention.Therefore, as long as using transparent liquid fiber type class
Material, plays insulating space at the back of collecting plate 2, provides the effect of air and the circulation passage of solution respectively, just should regard
Protection domain for actual requirement of the present invention.
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for this
The those skilled in the art in field, according to the thought of the present invention, the most all will change,
In sum, this specification content should not be construed as limitation of the present invention.
Claims (9)
1. the saline solution regenerating unit of a Driven by Solar Energy, it is characterised in that described saline solution regenerating unit includes collecting plate
(2), transparent liquid sealing coat (4) and housing, described collecting plate (2) is arranged in described housing, and and described housing between formed and hold
Receiving chamber, described transparent liquid sealing coat (4) is arranged on described receiving intracavity, and is divided in described receiving chamber and is positioned at the isolation of described transparent liquid
Weak solution passage (3) between layer (4) and described collecting plate (2), be positioned at described transparent liquid sealing coat (4) and described housing bottom it
Between concentrated solution-air duct (6).
Saline solution regenerating unit the most according to claim 1, it is characterised in that the top cover of described housing is provided with glass cover
Plate (1), described collecting plate (2) is positioned between described glass cover-plate (1) and described housing bottom.
Saline solution regenerating unit the most according to claim 1, it is characterised in that described housing includes inner shell (8), shell
And the heat-insulation layer (7) that is arranged between described inner shell and described shell (9).
Saline solution regenerating unit the most according to any one of claim 1 to 3, it is characterised in that described transparent liquid sealing coat
For metal fiber felt (4), the surface of described metal fiber felt (4) processes through hydrophilic nano coating.
Saline solution regenerating unit the most according to any one of claim 1 to 3, it is characterised in that described concentrated solution-air
The flow direction of passage (6) interior air is contrary or identical with the flow direction of described concentrated solution.
Saline solution regenerating unit the most according to claim 4, it is characterised in that described metal fiber felt (4) and described collection
Forming multiple mutually isolated described weak solution passage (3) between hot plate (2), described metal fiber felt (4) is folded into waveform
Structure.
Saline solution regenerating unit the most according to claim 6, it is characterised in that the cross section of described metal fiber felt (4) is
Triangular wave, each side plate of described metal fiber felt is straight plate.
Saline solution regenerating unit the most according to any one of claim 1 to 3, it is characterised in that described saline solution regenerates
Device also includes that weak solution separatory groove (10) and concentrated solution collecting tank (11), described weak solution separatory groove (10) are arranged on described shell
The upside of external body, and connect with described weak solution passage (3), described concentrated solution collecting tank (11) is arranged on described hull outside
Downside, and connect with described concentrated solution-air duct (6), described weak solution separatory groove (10) be provided with dilute solution inlet
(12), described concentrated solution collecting tank (11) is provided with concentrated solution outlet (13).
Saline solution regenerating unit the most according to claim 8, it is characterised in that described weak solution separatory groove (10) and dense molten
Liquid collecting tank (11) is positioned at the same side of described housing, or is positioned at the opposite sides of described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490388.7A CN105964001A (en) | 2016-06-28 | 2016-06-28 | Solar-driven saline solution regeneration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490388.7A CN105964001A (en) | 2016-06-28 | 2016-06-28 | Solar-driven saline solution regeneration device |
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| CN105964001A true CN105964001A (en) | 2016-09-28 |
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| CN201610490388.7A Pending CN105964001A (en) | 2016-06-28 | 2016-06-28 | Solar-driven saline solution regeneration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308669A (en) * | 2017-05-25 | 2017-11-03 | 绵阳市金桥源科技有限公司 | Solar-powered thermal solution regeneration system and its application process |
| CN107485871A (en) * | 2017-09-30 | 2017-12-19 | 中国大唐集团科学技术研究院有限公司西北分公司 | A kind of Desulphurization for Coal-fired Power Plant wastewater zero discharge system and its processing method |
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| CN206304372U (en) * | 2016-06-28 | 2017-07-07 | 北京康孚科技股份有限公司 | A kind of salting liquid regenerating unit of Driven by Solar Energy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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