CN108409030A - A kind of multiple-unit desalination plant and method - Google Patents
A kind of multiple-unit desalination plant and method Download PDFInfo
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- CN108409030A CN108409030A CN201810187006.2A CN201810187006A CN108409030A CN 108409030 A CN108409030 A CN 108409030A CN 201810187006 A CN201810187006 A CN 201810187006A CN 108409030 A CN108409030 A CN 108409030A
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- 238000010612 desalination reaction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 33
- 239000013535 sea water Substances 0.000 claims abstract description 28
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 23
- 239000013505 freshwater Substances 0.000 claims abstract description 17
- 241000195493 Cryptophyta Species 0.000 claims abstract description 12
- 230000003647 oxidation Effects 0.000 claims abstract description 11
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 230000033558 biomineral tissue development Effects 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 238000011033 desalting Methods 0.000 claims description 3
- 239000012267 brine Substances 0.000 description 8
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000005416 organic matter Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Inorganic materials [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- -1 chlorate anions Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of multiple-unit desalination plants and method, device to include：Pretreatment unit, including water pump, air supporting and raw water box；Desalination unit, including more medium filter, cartridge filter and counter-osmosis device；Allocation unit, including mineralization filter, water tank and constant pressure water supply mechanism；Concentrated water processing unit, including concentrated water pond, biological aerated filter and electrolysis mechanism；Method includes removing algae successively, filtering out impurity, is reverse osmosis, mineralising processing, and being added in the seawater of algae to be removed after reverse osmosis concentrated water electrolysis.The present invention removes the organic matters such as the algae in seawater using air supporting, can mitigate the live load of the desalination film of counter-osmosis device, is conducive to extend the service life of counter-osmosis device；And the liquor natrii hypochloritis for being electrolysed counter-osmosis device treated concentrated water by being electrolysed mechanism, and electrolysis being formed is added in air supporting and/or raw water box, can by algae oxidation operation, avoid it is reverse osmosis after fresh water there is bad smell.
Description
Technical field
The present invention relates to desalination technologies, more particularly, to a kind of multiple-unit desalination plant and method.
Background technology
Currently, with the getting worse of water shortage problem, the reverse osmosis unit that can convert seawater into fresh water has obtained more
It is widely applied.Then, as marine environment constantly deteriorates, marine ecosystems are also regular to be abnormal phenomenon, such as
Red tide gives the reverse osmosis unit for using seawater as water source and proposes new requirement, that is, need to seawater carry out deeper into
Pretreatment, especially to the processing of marine algae, otherwise, the fresh water formed after reverse osmosis unit is reverse osmosis has a kind of stench
Taste is unfavorable for the usage experience to reverse osmosis freshwater.
Invention content
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of multiple-unit desalination plant and method, solution are proposed
The fresh water that certainly sea-water reverse osmose is formed in the prior art has the technical issues of bad smell.
To reach above-mentioned technical purpose, technical scheme of the present invention provides a kind of multiple-unit desalination plant, including：
Pretreatment unit comprising sequentially connected water pump, air supporting and raw water box；
Desalination unit comprising sequentially connected more medium filter, cartridge filter and counter-osmosis device, the multimedium
Filter is connect with the raw water box；
Allocation unit comprising sequentially connected mineralization filter, water tank and constant pressure water supply mechanism, and the mine
Change filter to connect with the water outlet of the counter-osmosis device；And
Concentrated water processing unit comprising sequentially connected concentrated water pond, biological aerated filter and electrolysis mechanism, the concentrated water pond
It exports and connects with the concentrated water of the reverse osmosis mechanism, the water outlet of the electrolysis mechanism is connect with the air supporting and/or raw water box.
Meanwhile the present invention also provides a kind of multiple-unit method for desalting seawater, including the following steps：
(1) it will be stored after the algae removal in the seawater of acquirement；
(2) impurity in the seawater of storage is filtered out, and carries out reverse-osmosis treated；
(3) fresh water of reverse-osmosis treated is subjected to mineralising processing；
(4) it is added in the seawater that step (1) obtains after being electrolysed the concentrated water of reverse-osmosis treated.
Compared with prior art, the present invention removes the organic matters such as the algae in seawater using air supporting, can mitigate reverse osmosis
The live load of the desalination film of device is conducive to extend the service life of counter-osmosis device；And counter-osmosis device is handled by being electrolysed mechanism
Concentrated water electrolysis afterwards, and the liquor natrii hypochloritis that electrolysis is formed is added in air supporting and/or raw water box, it can be by algae organic matter
Oxidation, avoid it is reverse osmosis after fresh water there is bad smell.
Description of the drawings
Fig. 1 is the attachment structure schematic diagram of the multiple-unit desalination plant of the present invention；
Fig. 2 is the A-A direction views of the electrolysis mechanism of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, the present invention provides a kind of multiple-unit desalination plant, including pretreatment unit 10, desalination list
Member 20, allocation unit 30 and concentrated water processing unit 40；Pretreatment unit 10 includes sequentially connected water pump 11, air supporting 12 and original
Water tank 13 can be inputted seawater in air supporting 12 by water pump 11, and air supporting 12 can effectively remove extra large Organic substance in water, such as sea
Algae etc. can reduce the live load of follow-up reverse osmosis membrane, be conducive to extend its service life, while after getting rid of organic matter, instead
It permeates bad smell in the fresh water formed significantly to desalinate, it is stored in raw water box 13 after the processing of air supporting 12, for use；Desalination
Unit 20 includes sequentially connected more medium filter 21, cartridge filter 22 and counter-osmosis device 23, the more medium filter
21 connect with the raw water box 13, can remove part fiber fines, the suspended matter in raw water box 13, and cartridge filter 22
Suspended matter, larger molecular organics in seawater etc. can then be retained and carry out secondary filter processing, to reduce the turbidity of water, counter-osmosis device
23 can will go deimpurity seawater to concentrate, and the fresh water after concentration can be used as drinking water, and concentrated water can drain into ocean；Point
Include sequentially connected mineralization filter 31, water tank 32 and constant pressure water supply mechanism 33, and the mineralising mistake with unit 30
Filter 31 is connect with the water outlet of the counter-osmosis device 23, due to mistake in the fresh water after 23 reverse-osmosis treated of counter-osmosis device
In pure, the beneficial mineral matter ion concentration contained is too low, is unfavorable for supplementing needed by human body minerals, therefore the present embodiment passes through
Mineralization filter 31 properly increases beneficial mineral matter ion concentration in reverse osmosis rear fresh water, while it can be reduced instead to a certain degree
Permeate the problem that hydrogen ion concentration is excessively high in fresh water；Water after mineralising can be directly stored in water tank 32, and pass through variable-frequency constant
It presses the distribution of water supply mechanism 33 to different users, can guarantee the pressure stability to supply water, and avoid using high water tank, there is section
Energy, effect at low cost.
During water pump 11 is fetched water, part marine organisms easily enter in water pump 11, easily lead to and increase subsequently
Sea water preprocessing difficulty, therefore pretreatment unit 10 described in the present embodiment further includes the anti-of the water inlet end set on the water pump 11
Marine organisms mechanism 14 can avoid marine organisms and enter in water pump 11.Wherein, the anti-marine organisms mechanism of the present embodiment 14 can
The anti-marine organisms device of seawater lift pump is used for disclosed in Chinese invention patent using Publication No. CN204458561U.
And in order to avoid in water tank 32 organic matter grow bacterium, allocation unit 30 described in the present embodiment further includes being set to institute
The photochemical catalytic oxidation mechanism 34 between water tank 32 and constant pressure water supply mechanism 33 is stated, it can be to the carry out light in water tank 32
Catalysis oxidation is killed virus.Wherein, it is special that the Chinese invention that Authorization Notice No. is CN205838726U can be used in photochemical catalytic oxidation mechanism 34
Integrated optical catalysis oxidation sewage-treatment plant disclosed in profit.
The present embodiment concentrated water processing unit 40 mainly for the treatment of the strong brine formed after 23 reverse-osmosis treated of counter-osmosis device,
It include sequentially connected concentrated water pond 41, biological aerated filter 42 and electrolysis mechanism 43, the concentrated water pond 41 with it is described reverse osmosis
The concentrated water outlet connection of device 23 with collect it is reverse osmosis after strong brine, biological aerated filter 42 can be handled to go strong brine
Except the COD and ammonia nitrogen in strong brine, electrolysis mechanism 43 can carry out strong brine electrolysis processing, and form time with high oxidative
The water outlet of chlorate anions, the electrolysis mechanism 43 is connect with the air supporting 11 and/or raw water box 13, can input hypochlorite
In air supporting 11 and/or raw water box 13, the impurity that seaweed etc. is generated to bad smell carries out oxidation processes, can avoid follow-up reverse osmosis
The fresh water that 23 reverse-osmosis treated of saturating device is formed has bad smell, and reduces the live load of the reverse osmosis membrane of counter-osmosis device 23,
It is also beneficial to extend its service life.Wherein, there are two water outlet, one of water outlets for the setting of concentrated water pond 41 of the present embodiment
The water inlet end of biological aerated filter 42 connects, and another is then marine for extra strong brine to be discharged into, and is electrolysed mechanism 43
Water outlet can connect simultaneously with air supporting 11 and raw water box 13, also can individually be connect with any of which, the present embodiment it is preferred its
It is connect simultaneously with air supporting 11 and raw water box 13, the hypochlorite formed after electrolysis can be convenient for input air supporting 11 and raw water box respectively
In 13, and then oxidation processes are carried out to the impurity in air supporting 11 and raw water box 13 respectively, is conducive to improve treatment effect, avoid
It does not aoxidize completely and reverse osmosis freshwater is caused to still remain bad smell.
As shown in Fig. 2, in order to improve the electrolytic efficiency of electrolysis mechanism 43, and then improve its subsequent oxidation efficiency, this reality
Apply example electrolysis mechanism 43 include a reaction chamber 431, be built in the reaction chamber 431 three-diemsnional electrode 432 and with the three-dimensional electricity
432 matched ultraviolet lamp tube group 433 of pole, by the generation ultraviolet light of ultraviolet lamp tube group 433 to be catalyzed to cell reaction,
It is conducive to improve electrolytic efficiency.
Wherein, three-diemsnional electrode 432 described in the present embodiment include DC power supply 432a, anode plate 432b, cathode plate 432c and
Microelectrode layer 432d, the anode plate 432b and cathode plate 432c be arranged in parallel in the reaction chamber 431 and respectively with direct current
The positive and negative anodes of power supply 432a connect, and the microelectrode layer 432d is set between the anode plate 432b and cathode plate 432c, this
Embodiment microelectrode layer 432d can be made of the active carbon particle layer being set between anode plate 432b and cathode plate 432c, in sun
Between pole plate 432b and cathode plate 432c under electric field action, each active carbon particle can be formed one it is small and have positive and negative anodes
Activated carbon electrodes, and numerous activated carbon electrodes can greatly improve reaction effect simultaneously with the substance reaction in strong brine
Rate, and then improve electrolytic efficiency.Wherein, the present embodiment anode plate 432b and cathode plate 432c may be configured as platy structure, also may be used
It is set as reticular structure.
Since the inlet and outlet of the reaction chamber 431 of the present embodiment are respectively provided with its upside, for the ease of Inlet and outlet water, originally
Anode plate 432b and cathode plate 432c described in embodiment are vertically arranged and respectively close to 431 both sides inner wall of the reaction chamber, are
The shapes and sizes of increase field area, anode plate 432b and cathode plate 432c respectively with 431 both sides inner wall of reaction chamber substantially
It is identical.
Ultraviolet lamp tube group 433 described in the present embodiment is two, and is respectively arranged at light electrolysis layer and anode plate 432b and the moon
Between pole plate 432c, and each ultraviolet lamp tube group 433 includes the multiple ultraviolet lamp tubes being evenly arranged successively from the bottom to top,
The parallel anode plate 432b of each ultraviolet lamp tube is conducive to maximize the irradiated area of ultraviolet lamp tube, and then improves
Its catalytic action.
Since active carbon particle has stronger adsorption capacity as electrode, when using after a certain period of time, activated carbon adsorption
Saturation can be reached, influence use of the active carbon particle as electrode, therefore it further includes along purple to be electrolysed mechanism 43 described in the present embodiment
The length direction of outer fluorescent tube is attached at multiple ultrasonic oscillators 324 of 431 bottom of the reaction chamber, multiple ultrasonic oscillators successively
324, close to 431 middle part setting of the reaction chamber, in order to corresponding with microelectrode layer 432d, can pass through ultrasonic oscillator 324
Strong brine vibration in drive response case 431, makes the impurity that active carbon particle adsorbs be detached from, is conducive to activated carbon electrodes again
It is raw.
The present embodiment multiple-unit desalination plant workflow is as follows：Water pump inputs seawater in air supporting, air supporting pair
Seawater carries out preliminary treatment to remove algae and the other impurities in seawater, and the seawater after preliminary treatment can be stored in raw water box
For use；Seawater in raw water box can pass sequentially through more medium filter and cartridge filter by pressurization, can remove in seawater
The impurity such as fiber fines, suspended matter, larger molecular organics, remove above-mentioned impurity seawater can be carried out by counter-osmosis device it is reverse osmosis
Processing, the fresh water of reverse-osmosis treated successively use after mineralization filter mineralising and the disinfection of photochemical catalytic oxidation mechanism by distribution amplification
Family, and the concentrated water of reverse-osmosis treated is then collected by concentrated water pond, the part concentrated water collected can be passed through biological aerated filter to remove
Then organic matter and ammonia nitrogen therein are electrolysed to form the hypochlorite with high oxidative, and are added by being electrolysed mechanism
In air supporting and/or raw water box, the algae organic impurities oxidative degradation in raw water box advantageously reduces follow-up reverse osmosis
The live load of device, and avoid the fresh water of reverse osmosis formation that there is bad smell.
The specific implementation mode of present invention described above, is not intended to limit the scope of the present invention..Any basis
The various other corresponding changes and deformation that the technical concept of the present invention is made, should be included in the guarantor of the claims in the present invention
It protects in range.
Claims (10)
1. a kind of multiple-unit desalination plant, which is characterized in that including：
Pretreatment unit comprising sequentially connected water pump, air supporting and raw water box；
Desalination unit comprising sequentially connected more medium filter, cartridge filter and counter-osmosis device, the multi-medium filtering
Device is connect with the raw water box；
Allocation unit comprising sequentially connected mineralization filter, water tank and constant pressure water supply mechanism, and the mineralising mistake
Filter is connect with the water outlet of the counter-osmosis device；And
Concentrated water processing unit comprising sequentially connected concentrated water pond, biological aerated filter and electrolysis mechanism, the concentrated water pond and institute
The concentrated water outlet connection of reverse osmosis mechanism is stated, the water outlet of the electrolysis mechanism is connect with the air supporting and/or raw water box.
2. multiple-unit desalination plant according to claim 1, which is characterized in that the pretreatment unit further includes setting
In the anti-marine organisms mechanism of the water inlet end of the water pump；The allocation unit further includes being set to the water tank and variable-frequency constant
Press the photochemical catalytic oxidation mechanism between water supply mechanism.
3. multiple-unit desalination plant according to claim 1, which is characterized in that the electrolysis mechanism includes a reaction
Case, the three-diemsnional electrode for being built in the reaction chamber and with the matched ultraviolet lamp tube group of the three-diemsnional electrode.
4. multiple-unit desalination plant according to claim 3, which is characterized in that the three-diemsnional electrode includes direct current
Source, anode plate, cathode plate and microelectrode layer, the anode plate and cathode plate be arranged in parallel in the reaction chamber and respectively with direct current
The positive and negative anodes of power supply connect, and the microelectrode layer is set between the anode plate and cathode plate.
5. multiple-unit desalination plant according to claim 4, which is characterized in that the anode plate and cathode plate are perpendicular
It is straight to be arranged and respectively close to reaction chamber both sides inner wall.
6. multiple-unit desalination plant according to claim 5, which is characterized in that the ultraviolet lamp tube group is two,
And it is respectively arranged between light electrolysis layer and anode plate and cathode plate.
7. multiple-unit desalination plant according to claim 6, which is characterized in that each ultraviolet lamp tube group is wrapped
The multiple ultraviolet lamp tubes being evenly arranged successively from the bottom to top are included, the parallel anode plate of each ultraviolet lamp tube.
8. multiple-unit desalination plant according to claim 7, which is characterized in that the electrolysis mechanism further includes along purple
The length direction of outer fluorescent tube is attached at multiple ultrasonic oscillators of the reaction chamber bottom successively.
9. a kind of multiple-unit method for desalting seawater, which is characterized in that include the following steps：
(1) it will be stored after the algae removal in the seawater of acquirement；
(2) impurity in the seawater of storage is filtered out, and carries out reverse-osmosis treated；
(3) fresh water of reverse-osmosis treated is subjected to mineralising processing；
(4) it is added in the seawater that step (1) obtains after being electrolysed the concentrated water of reverse-osmosis treated.
10. multiple-unit method for desalting seawater according to claim 9, which is characterized in that the electrolysis is ultraviolet catalytic
Electrolysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810187006.2A CN108409030A (en) | 2018-03-07 | 2018-03-07 | A kind of multiple-unit desalination plant and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810187006.2A CN108409030A (en) | 2018-03-07 | 2018-03-07 | A kind of multiple-unit desalination plant and method |
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| Publication Number | Publication Date |
|---|---|
| CN108409030A true CN108409030A (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810187006.2A Pending CN108409030A (en) | 2018-03-07 | 2018-03-07 | A kind of multiple-unit desalination plant and method |
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| Country | Link |
|---|---|
| CN (1) | CN108409030A (en) |
Cited By (2)
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| CN112759167A (en) * | 2020-12-17 | 2021-05-07 | 自然资源部天津海水淡化与综合利用研究所 | Polar region seawater desalination method |
| CN114804453A (en) * | 2022-03-14 | 2022-07-29 | 国能朗新明南京环保科技有限公司 | Concentrated brine recycling treatment system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112759167A (en) * | 2020-12-17 | 2021-05-07 | 自然资源部天津海水淡化与综合利用研究所 | Polar region seawater desalination method |
| CN114804453A (en) * | 2022-03-14 | 2022-07-29 | 国能朗新明南京环保科技有限公司 | Concentrated brine recycling treatment system and method |
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