CN104353252A - Concentrating device and method for saline water solution - Google Patents
Concentrating device and method for saline water solution Download PDFInfo
- Publication number
- CN104353252A CN104353252A CN201410168237.0A CN201410168237A CN104353252A CN 104353252 A CN104353252 A CN 104353252A CN 201410168237 A CN201410168237 A CN 201410168237A CN 104353252 A CN104353252 A CN 104353252A
- Authority
- CN
- China
- Prior art keywords
- salt
- air
- containing solution
- aqueous solution
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention provides a concentrating device and method for saline water solution. The concentrating device comprises an intensified spray freeze concentration unit and a light-focusing solar energy intensified air moistening evaporating unit; the intensified spray concentration unit comprises a saline water solution storage tank, a pressure pump, a spray nozzle, a vibrating screen and an ice liquid storage tank; the light-focusing solar energy intensified air moistening evaporating unit comprises a draught fan, a light-focusing solar thermal collector, and an air moistening water solution evaporator comprising a water absorption material. The concentrating method comprises the following steps: the saline water solution is atomized into liquid drops; ice grain accumulation is deposited on one side of the ice liquid storage tank under the function of the vibrating screen; the liquid passing the screen mesh is concentrated and collected on the other side of the ice liquid storage tank; air is heated to a temperature of being equal to 60 DEG C or above, by the light-focusing solar thermal collector; the saline water solution concentrated through a freezing method is further concentrated in the air moistening evaporator. According to the invention, cold energy and solar energy are utilized to complete concentration of the saline water solution; an effective concentration technology is provided particularly for salt manufacturing of salt pans and lakes in winter.
Description
Technical field
The invention belongs to solute and the separated from solvent technology of salt-containing solution, particularly relate to a kind of enrichment facility and the method that utilize natural cold-energy and solar energy salt-containing solution in certain circumstances.
Background technology
The concentrated of inorganic electrolyte liquid relates to various isolation technics, especially be representative with desalination technology, as the way of distillation, embrane method and freezing etc., wherein, hot method desalination technology contains multistage flash evaporation (MSF), multiple-effect evaporation (MED), pressure steam distillation (VC); And Membrane seawater desalination technology comprises hyperfiltration (R0), electroosmose process (ED) and positive osmosis (F0).Desalinating and concentrating is the adjoint physical process occurred, under certain condition, desalination technology can be applied to concentration process, but isolation technics is except dropping into permanent plant, also need consume a large amount of electric energy or (with) heat energy, directly cause the raising of separation costs.In addition, when electrolyte temperature and concentration exceed certain restriction, prior art is used for the concentrated very big raising that can cause processing cost, promoting the use of of final restriction isolation technics.Utilize clean energy resource and lower cost to drop into technology that salt-containing solution is separated has and very large utilizes space.
Cultivating furrow, to water solarization method salt making technology be that disruptive technology in the east of a river (modern Yuncheng) salt pond salt manufacturing history is changed, and its maturation application has increased substantially the Quality and yield of east of a river lake salt, adds the fiscal revenues of imperial court at that time.This relies on the natural energy such as sunlight, wind-force to complete the salt making technology of crystallization salify completely, to evaporate brine the Zao nearly millennium of technology than the light in sea salt and West Europe, go through Song, unit, bright, each dynasty is used till today clearly, create the grand scene of " a thousand li discal patch one pond snow ".Until today, this technology is still continued to use in evaporating brine of saltern.The great advantage of this technology is exactly rely on natural energy to complete separation process completely, permanent plant less investment, substantially without the need to consuming other energy.But when environment temperature is reduced to below freezing, the evaporation of only leaning on solar energy and wind energy to complete salt pond moisture almost cannot be carried out.This is because the low air of temperature reaches capacity, to carry the ability of moisture very low for humidity, such as in the winter of cold, and substantially can not transpiring moisture again, directly affects the output in salt pan, inorganic salts are obtained for high added value, as the crystallization of lithium salts, directly can affect the economic benefit of enterprise.In some region, containing abundant salt pan or salt lake resources, also the needs that the dense water of desalinization concentrates further are had, these regions in the winter time temperature below freezing, but solar energy irradiation intensity and sunshine-duration are very long, it is the technology merited attention that natural energy how also can be utilized in the winter time to complete the concentrated of salt-containing solution.
Summary of the invention
For solving the technical problem existed in known technology, the invention provides a kind of enrichment facility of salt-containing solution, natural cold-energy and solar energy is mainly utilized to complete the concentrated of salt-containing solution, application strengthening spray chilling technology completes initial concentration, relend and help Photospot solar technology that surrounding air is heated to more than 60 DEG C, complete enhanced water evaporation by the absorbent material be provided with in the ability of carrying moisture of hot-air and air wetting aqueous solution evaporate device.
An enrichment facility for salt-containing solution, the cold energy that can simultaneously utilize nature to provide and solar energy, by artificial reinforcement technique, realize the raising of natural energy Energy harvesting grade, thus greatly shorten the concentration period of salt-containing solution and reduce concentrated cost.
For achieving the above object, the technical solution used in the present invention is to provide a kind of enrichment facility of salt-containing solution, the enrichment facility of described salt-containing solution, it is characterized in that: the aqueous solution in salt-containing solution storage tank is delivered to nozzle and is atomized by force (forcing) pump, when the freezing point temperature of temperature lower than the aqueous solution, drop after atomization carries out freezing process aloft, the granulate mixture of forming ice pellets gathers, under the effect of vibratory sieve, complete and be separated and be deposited on the side of ice liquid accumulator tank, and be able to initial concentration by the liquid of screen cloth and collect in the opposite side of ice liquid accumulator tank, complete initial concentration, simultaneously, surrounding air is heated to more than 60 DEG C by light-concentrating solar heat-collection device, the salt-containing solution concentrated by freezing is concentrated further in the air wetting aqueous solution evaporate device being provided with absorbent material, absorbent material is partially immersed in below the aqueous solution, the other end is suspended on the top of air wetting aqueous solution evaporate device, absorbent material can suck the aqueous solution height exceeding liquid level automatically, by its microcosmic capillarity, increase the contact area of hot-air and evaporating liquid, the moisture of solution rapid evaporation is taken away by humidifying air and emptying by humid air evacuation port, concentrated liquid is then discharged by concentrated brine outlet, complete concentration operation.
The technical scheme that the enrichment facility of a kind of salt-containing solution of the present invention is taked for the technical problem existed in solution known technology is:
A kind of enrichment facility of salt-containing solution, it is characterized in that: this device is by strengthening spray chilling upgrading unit and Photospot solar strengthening air wetting evaporation element, and described strengthening spray chilling upgrading unit is made up of salt-containing solution storage tank, force (forcing) pump, nozzle, vibratory sieve and ice liquid accumulator tank; Described Photospot solar strengthening air wetting evaporation element comprises blower fan, light-concentrating solar heat-collection device, air wetting aqueous solution evaporate device; Described ice liquid accumulator tank is connected by pipeline with air wetting aqueous solution evaporate device, and described air wetting aqueous solution evaporate device contains absorbent material, humid air evacuation port and concentrated brine outlet; The nozzle of described strengthening spray chilling upgrading unit can be pressure atomization, also can be air twin fluid atomization; Described light-concentrating solar heat-collection device can be slot light collection heat collector or CPC concentrating collector; Absorbent material is provided with in described air wetting aqueous solution evaporate device.
Utilize the concentration process of the enrichment facility of above-mentioned salt-containing solution to be: salt-containing solution is atomized into fine droplet through atomizer, drop in dropping process with the cold air generation heat exchange of surrounding, and part is frozen into solid ice.Fall to locating at salt-containing solution water and thick subglacial, be provided with vibratory sieve and the two is separated.Because the process of atomization refrigeration is very rapid, so quite a few bittern has little time to depart from ice body, therefore have certain salinity in ice body, but solvent portions concentrates.In addition, utilize the heat characteristic of light-concentrating solar heat-collection device, ambient temperature air is heated to more than 60 DEG C, hot-air sends into salt-containing solution evaporimeter, owing to being provided with absorbent material in evaporimeter, liquid is drawn onto ullage by capillarity, the air of solar concentrating collector heating directly and the surface contact of absorbent material, hydrone in liquid is evaporated at meso-scale, the hydrone evaporated away enters in air, air becomes saturated moist air, and the electrolyte of salt-containing solution evaporimeter is concentrated simultaneously.
Effect of the present invention is: work in coordination with simultaneously and utilize natural cold-energy and solar energy, compared with naturally frozen, and the cryogenic temperature that the freezing needs of spray reinforcing are higher, chilling rate is faster; Ambient air temperature can be heated to uniform temperature by strengthening solar energy light gathering and heat collecting fast; The air wetting aqueous solution evaporate device being provided with absorbent material greatly can accelerate the evaporation and diffusion speed of solution, the evaporation and diffusion process of fortified water solution, and the synergy of these three kinds strengthening natural processes, makes separation process drop into low, successful.
Accompanying drawing explanation
Fig. 1 is the enrichment facility schematic diagram of salt-containing solution of the present invention;
In figure:
1, salt-containing solution storage tank 2, force (forcing) pump 3, ice liquid accumulator tank 4, air wetting aqueous solution evaporate device
5, concentrated brine outlet 6, nozzle 7, vibratory sieve 8, blower fan 9, light-concentrating solar heat-collection device
10, absorbent material 11, humid air evacuation port
Detailed description of the invention
By reference to the accompanying drawings and the enrichment facility of embodiment to a kind of salt-containing solution of the present invention explain detailedly.
Principle of the present invention: spray chilling is strengthening frozen, need higher cryogenic temperature, chilling rate is faster; Light-concentrating solar heat-collection device is strengthening solar energy light gathering and heat collecting, different from general solar energy heating, fast ambient air temperature can be heated to uniform temperature, simultaneously owing to adding hot-air, there is not the thermal collector freezing prevention problem simultaneously utilizing solar energy and cold energy; The air wetting aqueous solution evaporate device being provided with absorbent material greatly can accelerate the evaporation and diffusion speed of solution, the evaporation and diffusion process of fortified water solution, and the synergy of these three kinds strengthening natural processes, completes salt-containing solution rapid concentration process.
As shown in Figure 1, the enrichment facility of a kind of salt-containing solution of the present invention, this device comprises strengthening spray chilling upgrading unit and Photospot solar strengthening air wetting evaporation element, and described strengthening spray chilling upgrading unit is made up of salt-containing solution storage tank 1, force (forcing) pump 2, nozzle 6, vibratory sieve 7 and ice liquid accumulator tank 3; Described Photospot solar strengthening air wetting evaporation element comprises blower fan 8, light-concentrating solar heat-collection device 9, air wetting aqueous solution evaporate device 4; Described ice liquid accumulator tank 3 is connected by pipeline with air wetting aqueous solution evaporate device 4, and described air wetting aqueous solution evaporate device 4 is containing absorbent material 10, humid air evacuation port 11 and concentrated brine outlet 5; The nozzle 6 of described strengthening spray chilling upgrading unit can be pressure atomization, also can be air twin fluid atomization; Described light-concentrating solar heat-collection device 9 can be slot light collection heat collector or CPC concentrating collector; Absorbent material 10 is provided with in described air wetting aqueous solution evaporate device 4.
The concentration process of the method for concentration of the enrichment facility of above-mentioned salt-containing solution is utilized to be: the aqueous solution in salt-containing solution storage tank 1 is delivered to nozzle 6 and is atomized by force (forcing) pump 2, when the freezing point temperature of temperature lower than the aqueous solution, drop after atomization carries out freezing process aloft, the granulate mixture of forming ice pellets gathers, under the effect of vibratory sieve 7, complete and be separated and be deposited on the side of ice liquid accumulator tank 3, and be able to initial concentration by the liquid of screen cloth and collect in the opposite side of ice liquid accumulator tank, complete initial concentration; Simultaneously, surrounding air is sent into light-concentrating solar heat-collection device 9 and surrounding air is heated to more than 60 DEG C by blower fan 8, the salt-containing solution concentrated by freezing is concentrated further in the air wetting aqueous solution evaporate device 4 being provided with absorbent material 10, the moisture of simultaneously solution evaporation is taken away by humidifying air and emptying by humid air evacuation port 11, concentrated liquid is then discharged by concentrated brine outlet 5, completes concentration operation.
Embodiment 1
The enrichment facility of a kind of salt-containing solution of the present invention: the long 1000mm of saline solution storage tank, wide 1000mm, high 500mm, force (forcing) pump is Grandfos CRN1-36, be provided with closed circuit with adjust flux, nozzle is the LN-26 of Spray company, the long 1000mm of ice liquid accumulator tank 3, wide 1000mm, high 500mm, vibratory sieve specification is 50 orders, blower fan 8 is Ebmpapst axial flow blower DV6224, light-concentrating solar heat-collection device 9 is the groove type heat collector of opening two meters, focal length is 300mm, air wetting aqueous solution evaporate device 4 specification is: long 1000mm, wide 500mm, high 500mm, there is heat-insulation layer outward, inside establish absorbent material 10, absorbent material is wide 100mm, the strip absorbent material of long 450mm, even placement 12, the humid air carrying moisture has humid air evacuation port 11 to discharge, and concentrated solution is discharged by concentrating brine outlet 5.
Embodiment 2
The method for concentration of a kind of salt-containing solution of the present invention: the aqueous solution in the salt-containing solution storage tank 1 of salt content 3% is pressurized to 0.4MPa and delivers to nozzle 6 and be atomized by force (forcing) pump 2, when environment temperature is-15 DEG C, drop after atomization carries out freezing process aloft, the granulate mixture of forming ice pellets gathers, under the effect of vibratory sieve 7, complete and be separated and be deposited on the side of ice liquid accumulator tank 3, and be able to initial concentration by the liquid of screen cloth and collect in the opposite side of ice liquid accumulator tank 3, liquid salt content in ice liquid accumulator tank 3 becomes 5%, completes initial concentration; Simultaneously, surrounding air is heated to 85 DEG C by-15 DEG C of surrounding airs feeding light-concentrating solar heat-collection devices 9 by blower fan 8, the salt-containing solution concentrated by freezing is concentrated further in the air wetting aqueous solution evaporate device 4 being provided with absorbent material 10, the moisture of simultaneously solution evaporation is taken away by humidifying air and emptying by humid air evacuation port 11, outlet air temperature is 20 DEG C, concentrated liquid is then discharged by concentrated brine outlet 5, and salt content is 8%, completes concentration operation.
Claims (5)
1. the enrichment facility of a salt-containing solution, it is characterized in that: this device is by strengthening spray chilling upgrading unit and Photospot solar strengthening air wetting evaporation element, and described strengthening spray chilling upgrading unit is made up of salt-containing solution storage tank (1), force (forcing) pump (2), nozzle (6), vibratory sieve (7) and ice liquid accumulator tank (3); Described Photospot solar strengthening air wetting evaporation element comprises blower fan (8), light-concentrating solar heat-collection device (9), air wetting aqueous solution evaporate device (4); Described ice liquid accumulator tank (3) is connected by pipeline with air wetting aqueous solution evaporate device (4), and described air wetting aqueous solution evaporate device (4) is containing absorbent material (10), humid air evacuation port (11) and concentrated brine outlet (5).
2. according to the enrichment facility of salt-containing solution according to claim 1, it is characterized in that: the nozzle (6) of described strengthening spray chilling upgrading unit can be pressure atomization, also can be air twin fluid atomization.
3. according to the enrichment facility of salt-containing solution according to claim 1, it is characterized in that: described light-concentrating solar heat-collection device (9) can be slot light collection heat collector or CPC concentrating collector.
4. according to the enrichment facility of salt-containing solution according to claim 1, it is characterized in that: in described air wetting aqueous solution evaporate device (4), be provided with absorbent material (10).
5. the method for concentration of a salt-containing solution according to claim 1, it is characterized in that: the aqueous solution in salt-containing solution storage tank (1) is delivered to nozzle (6) and is atomized by force (forcing) pump (2), when the freezing point temperature of temperature lower than the aqueous solution, drop after atomization carries out freezing process aloft, the granulate mixture of forming ice pellets gathers, under the effect of vibratory sieve (7), complete and be separated and be deposited on the side of ice liquid accumulator tank, and be able to initial concentration by the liquid of screen cloth and collect in the opposite side of ice liquid accumulator tank, complete initial concentration; Simultaneously, surrounding air is sent into light-concentrating solar heat-collection device (9) and surrounding air is heated to more than 60 DEG C by blower fan (8), the salt-containing solution concentrated by freezing concentrates further in the air wetting aqueous solution evaporate device (4) being provided with absorbent material (10), the moisture of simultaneously solution evaporation is taken away by humidifying air and emptying by humid air evacuation port (11), concentrated liquid is then discharged by concentrated brine outlet (5), completes concentration operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168237.0A CN104353252A (en) | 2014-04-21 | 2014-04-21 | Concentrating device and method for saline water solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168237.0A CN104353252A (en) | 2014-04-21 | 2014-04-21 | Concentrating device and method for saline water solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104353252A true CN104353252A (en) | 2015-02-18 |
Family
ID=52520614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410168237.0A Pending CN104353252A (en) | 2014-04-21 | 2014-04-21 | Concentrating device and method for saline water solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104353252A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212594A (en) * | 2022-07-15 | 2022-10-21 | 西安交通大学 | Spray drying device and method based on solar spectrum modulation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843949A (en) * | 2006-03-28 | 2006-10-11 | 天津大学 | Desalination method for naturally freezing seawater at freezing point |
| CN1843943A (en) * | 2006-03-28 | 2006-10-11 | 天津大学 | Apparatus and method for sprinkling and desalting sea ice |
| US20070234749A1 (en) * | 2006-04-05 | 2007-10-11 | Enis Ben M | Thermal energy storage system using compressed air energy and/or chilled water from desalination processes |
| CN101264949A (en) * | 2008-04-23 | 2008-09-17 | 天津大学 | Method for preparing low-salinity water for farmland irrigation by sea water atomization refrigeration |
| CN102989180A (en) * | 2012-12-12 | 2013-03-27 | 天津城市建设学院 | Solar concentration device for high concentration electrolyte and concentration method thereof |
-
2014
- 2014-04-21 CN CN201410168237.0A patent/CN104353252A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843949A (en) * | 2006-03-28 | 2006-10-11 | 天津大学 | Desalination method for naturally freezing seawater at freezing point |
| CN1843943A (en) * | 2006-03-28 | 2006-10-11 | 天津大学 | Apparatus and method for sprinkling and desalting sea ice |
| US20070234749A1 (en) * | 2006-04-05 | 2007-10-11 | Enis Ben M | Thermal energy storage system using compressed air energy and/or chilled water from desalination processes |
| CN101264949A (en) * | 2008-04-23 | 2008-09-17 | 天津大学 | Method for preparing low-salinity water for farmland irrigation by sea water atomization refrigeration |
| CN102989180A (en) * | 2012-12-12 | 2013-03-27 | 天津城市建设学院 | Solar concentration device for high concentration electrolyte and concentration method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212594A (en) * | 2022-07-15 | 2022-10-21 | 西安交通大学 | Spray drying device and method based on solar spectrum modulation |
| CN115212594B (en) * | 2022-07-15 | 2023-12-19 | 西安交通大学 | Spray drying device and method based on solar spectrum modulation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3250738B2 (en) | Seawater treatment method and treatment equipment, natural salt and freshwater | |
| CN106800320B (en) | Heat accumulating type humidifying and dehumidifying solar seawater desalination system and technological method | |
| CN105129891B (en) | A kind of solar energy sea water desalination apparatus seethed with excitement based on extinction and method | |
| CN109292870A (en) | A kind of difunctional interface distillation component and its application | |
| CN201634462U (en) | Seawater desalting device | |
| CN102730779A (en) | Solar zero-liquid-discharge sea water desalting plant and method | |
| CN109110848B (en) | A kind of high-salt wastewater air energy low-temperature vaporising device and air energy low-temperature method of evaporating | |
| CN113620383B (en) | Plant bionic solar distiller | |
| CN206814421U (en) | A kind of vortex tube spraying sea water desalinating unit | |
| CN105836948B (en) | The method and system of fresh water are prepared using the seawater and freshwater moisture condensation temperature difference | |
| CN102989180A (en) | Solar concentration device for high concentration electrolyte and concentration method thereof | |
| JP2012040454A (en) | Apparatus for desalinating seawater, and method for dehydrating water-containing substance | |
| CN202116341U (en) | Small-sized solar seawater desalinization device | |
| CN104353252A (en) | Concentrating device and method for saline water solution | |
| JP6586117B2 (en) | Chimney seawater concentrator | |
| CN107963762A (en) | A kind of energy-efficient desalination plant | |
| CN208883529U (en) | Disc type solar energy vaporising device based on fabric capillarity | |
| CN100554171C (en) | The method of preparing low-salinity water for farmland irrigation by sea water atomization refrigeration | |
| US20110108407A1 (en) | Desalination Method and Apparatus | |
| CN101935078B (en) | Sea water desalination device and method | |
| CN108793294A (en) | A kind of strong brine processing system and processing method | |
| CN208292693U (en) | Biological heat energy coupled low temperature heat circulation evaporation process sewage recycles heat energy apparatus | |
| Raveesh et al. | Atmospheric Water Generation: Concepts and Challenges | |
| RU2472948C1 (en) | Thermal power plant by kochetov | |
| JPS6193885A (en) | Seawater desalting apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150218 |
|
| WD01 | Invention patent application deemed withdrawn after publication |