CN105439259A - Seawater electric osmosis desalination equipment and seawater electric osmosis desalination method - Google Patents
Seawater electric osmosis desalination equipment and seawater electric osmosis desalination method Download PDFInfo
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- CN105439259A CN105439259A CN201510951510.1A CN201510951510A CN105439259A CN 105439259 A CN105439259 A CN 105439259A CN 201510951510 A CN201510951510 A CN 201510951510A CN 105439259 A CN105439259 A CN 105439259A
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- seawater
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- 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
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
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- 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
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- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to seawater electric osmosis desalination equipment and seawater electric osmosis desalination method. The seawater electric osmosis desalination equipment comprises a shell, a parallel electrode body, an insulation partition plate, and a power supply body; the shell comprises a seawater desalination chamber, the parallel electrode body is arranged in the seawater desalination chamber and comprises an active carbon felt anode body and a metal cathode body, which are parallelly arranged; the insulation partition plate is parallelly arranged between the active carbon felt anode body and the metal cathode body, gaps for delivering seawater exist between the insulation partition plate and active carbon felt anode body/metal cathode body; and the power supply body supplies direct current to the parallel electrode body to carry out ionization on seawater. The provided seawater electric osmosis desalination method utilizes the seawater electric osmosis desalination equipment to improve the performance on separating salts in sweater. High quality fresh water can be obtained, the cost is low, the yield of fresh water is high, the residual liquid comprehensive utilization effect is good, and the economic benefit, social benefit, and environmental benefit are unified.
Description
Technical field
The present invention relates to field of sea water desalting technology, be specifically related to a kind of seawater electric osmose desalting plant and seawater electric osmose desalination method.
Background technology
Sea water desaltination treatment technology is separated with water molecules the salinity in seawater, suspended substance etc., is used for life by Water Sproading and produced.Existing, the form of sea water desaltination is multiplex, and method is polynary, traditional distillation method, reverse osmosis membrane, all deposits that economic benefit is not high, long operational time, organic efficiency are low, equipment investment is large, high in cost of production problem.
For solving the problem, Authorization Notice No. is that the utility model patent of CN202499741U discloses a kind of electrodialytic desalination device, this kind of electrodialytic desalination device, it comprises: raw water pump, mechanical filter, cartridge filter, at least two cover electrodialysis unit, ultra-violet sterilization and pure water tanks, and described raw water pump, mechanical filter, cartridge filter, at least two cover electrodialysis unit, ultra-violet sterilization and pure water tanks pass through pipeline connection.Existing sea water desalinating plant also again need process the water after filtering additionally by disinfection equipment after electrodialysis unit, and sea water desaltination and seawater sterilization distribution are carried out, and is that high-pressure electrolysis, energy consumption are high during the work of traditional electrodialysis unit.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of seawater electric osmose desalting plant and seawater electric osmose desalination method.
For achieving the above object, seawater electric osmose desalting plant, comprise at least one group of electric osmose module, it is characterized in that: described electric osmose module comprises housing, parallel pole body, insulating barrier and power source body, described housing comprises sea water desaltination room, this sea water desaltination room has desalinize seawater import and water outlet, described parallel pole body is located at sea water desaltination indoor and is comprised the gac felt-cloth anode bodies be arranged in parallel, metallic cathode body, described insulating barrier is arranged in parallel between gac felt-cloth anode bodies and metallic cathode body, and and between gac felt-cloth anode bodies and metallic cathode body, all leave the gap passed through for seawater, direct current is accessed parallel pole body and ionizes seawater by described power source body, when accessing straight line current, parallel pole bulk voltage is at below 12v.
Exist further, also comprise the sea water preprocessing device for removing extra large impurities in water, described sea water preprocessing device is connected to electric osmose module front end.
Exist further, parallel pole body comprises metallic cathode body and is provided with two pieces, is arranged in parallel in gac felt-cloth anode bodies both sides.
Exist further, gac felt-cloth anode bodies is bamboo base charcoal felt-cloth or agar gac felt-cloth, and this gac charcoal felt-cloth anode bodies thickness is 3-10mm.
Exist further, metallic cathode body is composite titanium plate composition, and this composite titanium plate thickness is 1-2mm.
Exist further, also comprise the raffinate room be communicated with sea water desaltination room, this raffinate room is provided with raffinate outlet, this sea water desaltination room is provided with parsing sea intake.
Exist further, power source body comprises rectifier and time controller, and this rectifier is used for alternating-current being converted to direct current, this time controller controls the time range switching electrodes that parallel pole body is being preset.
Seawater electric osmose desalination method, is characterized in that: use the seawater electric osmose desalting plant described in claim 1-8 any one claim, concrete steps are as follows:
Step 1, according to the amount configuration electric osmose module desalinized seawater, the parallel/serial joint group of many group electric osmose modules closes;
Step 2, seawater passes in sea water desaltination room by the import that desalinizes seawater;
Step 3, sea water desaltination, electric current is accessed parallel pole body and ionizes seawater by power source body under stabilized voltage, seawater flows through between the gap of parallel pole body and insulating barrier, negatively charged ion in the seawater positively charged ion be adsorbed on gac felt-cloth anode bodies, in seawater is adsorbed on metallic cathode body, simultaneously produce ozone during the low-voltage and high-current of parallel pole body below 12 volts, ozone carries out disinfection to seawater at desalting process simultaneously;
Step 4, automatically ion parsing is carried out when parallel pole volume ionization is saturated, control electrode is changed, the positively charged ion now gac felt-cloth anode bodies adsorbed is taken off, negatively charged ion on metallic cathode body is taken off, raffinate has discharged parsing from housing, returns step 4 and continue sea water desaltination after being parsed.
Optimize, seawater carries out pre-treatment before passing into electric osmose module, removes suspended matter, degradable organic pollutant matter and part metals ion in seawater.
Optimize, sea water desaltination and ion are resolved and are automatically controlled by time controller.
From the above-mentioned description of this invention, compared with prior art, above-mentioned seawater electric osmose desalting plant and seawater electric osmose desalination method, there is following beneficial effect: one is adopt special parallel pole body as sea water desaltination electrode materials, realize setting up charging with dissipate discharge effect, improve the salt ability be separated in seawater; Two is in the process of desalinizing seawater, produce ozone directly carry out disinfection, and obtains the fresh water of high-quality; Three is that the electric osmose module technology of desalinizing seawater has reduced investment, and expense is low, and desalinizing seawater, it is high to extract fresh water rate, and raffinate fully utilizes effective advantage, realizes economic benefit, the unification of social benefit and environmental benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of seawater electric osmose desalting plant of the present invention.
Fig. 2 is the structural representation of seawater electric osmose desalting plant parallel pole body of the present invention.
Embodiment
Below by way of embodiment, the invention will be further described.
Shown in Fig. 2, seawater electric osmose desalting plant, comprises at least one group of electric osmose module, and described electric osmose module comprises housing 1, parallel pole body 2, insulating barrier 3, power source body 4, sea water preprocessing device 5;
Housing 1 adopts polypropylene material to be processed into, housing 1 is provided with sea water desaltination room 11, the sea water preprocessing room 12 be communicated with sea water desaltination room 11, freshwater room 13 and raffinate room 14, this sea water desaltination room 11 has and resolves sea intake 111, water outlet 112, seawater and treatment chamber 12 have the import 121 that desalinizes seawater, freshwater room 13 has water outlet 131, raffinate room 14 has raffinate outlet 141;
Parallel pole body 2 is located at sea water desaltination indoor 11 and is comprised the gac felt-cloth anode bodies 21, the metallic cathode body 22 that are arranged in parallel, wherein metallic cathode body 22 is provided with two pieces, is arranged in parallel in gac felt-cloth anode bodies 21 both sides, gac felt-cloth anode bodies 21 is bamboo base charcoal felt-cloth or agar gac felt-cloth, this gac charcoal felt-cloth anode bodies thickness is 3-10mm, metallic cathode body 22 is composite titanium plate composition, and this composite titanium plate thickness is 1-2mm;
Insulating barrier 3 adopts acrylic sheet to make, insulating barrier 3 to be arranged in parallel between gac felt-cloth anode bodies 21 and metallic cathode body 22 and and leave the gap passed through for seawater between gac felt-cloth anode bodies 21 and metallic cathode body 22, gap width is 1-2mm;
Power source body 4 comprises transformer, rectifier and time controller, this power source body is used for the alternating-current of 220v to be converted to voltage 6V, electric current 5A and above direct current and direct current is accessed the formation of parallel pole body sets up charging-dissipation discharge effect, access the voltage of straight line current parallel pole body 2 at below 12v at parallel pole body, this time controller controls the time range switching electrodes that parallel pole body is being preset;
Sea water preprocessing device 5, for being filled in the gac felt-cloth in sea water preprocessing room 12, by gac felt-cloth, removes suspended matter and impurity, degradable organic pollutant matter and part metals ion in seawater.
With reference to shown in Fig. 1, Fig. 2, a kind of seawater electric osmose desalination method, use above-mentioned seawater electric osmose desalting plant, concrete steps are as follows:
Step 1, according to the amount configuration electric osmose module desalinized seawater, the parallel/serial joint group of many group electric osmose modules closes;
Step 2, seawater first enters in sea water desaltination room 11 via sea water preprocessing room 12 by the import 121 that desalinizes seawater, and removes suspended matter, degradable organic pollutant matter and part metals ion in seawater.；
Step 3, sea water desaltination, electric current is accessed parallel pole body and ionizes seawater by sea water preprocessing room 12 by power source body 4 under stabilized voltage, seawater flows through between the gap of parallel pole body 2 and insulating barrier 3, negatively charged ion in the seawater positively charged ion be adsorbed on gac felt-cloth anode bodies 21, in seawater is adsorbed on metallic cathode body 22, simultaneously produce ozone during the low-voltage and high-current of parallel pole body 2 below 12 volts, ozone carries out disinfection to seawater at desalting process simultaneously, and the fresh water after desalting treatment flows out sea water desaltination room from water outlet 112;
Step 4, after sea water desaltination certain hour, carry out ion parsing, sea water desaltination room is passed into by the seawater being used for resolving ion analytically sea intake 111, power source body 4 is by the conversion of time controller automatic control electric pole, and now on gac felt-cloth anode bodies 21, the positively charged ion of absorption is taken off, and the negatively charged ion on metallic cathode body 22 is taken off, raffinate has discharged parsing from raffinate outlet 141, returns step 4 and continue sea water desaltination after being parsed.
Above-mentioned seawater electric osmose desalting plant and seawater electric osmose desalination method, electric osmose module desalinizes seawater extraction 80% fresh water, discharges in 20% raffinate, raffinate and comprises the materials such as sodium-chlor, Repone K, magnesium chloride, calcium sulfate.Salt is separated out by crystallization mode; Adopt abstraction technique to obtain calcium sulfate, magnesium chloride, the product such as sodium-chlor, Repone K, produce industrial chemicals fine work through deep processing.
Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (10)
1. seawater electric osmose desalting plant, comprise at least one group of electric osmose module, it is characterized in that: described electric osmose module comprises housing, parallel pole body, insulating barrier and power source body, described housing comprises sea water desaltination room, this sea water desaltination room has desalinize seawater import and water outlet, described parallel pole body is located at sea water desaltination indoor and is comprised the gac felt-cloth anode bodies be arranged in parallel, metallic cathode body, described insulating barrier is arranged in parallel between gac felt-cloth anode bodies and metallic cathode body, and and between gac felt-cloth anode bodies and metallic cathode body, all leave the gap passed through for seawater, direct current is accessed parallel pole body and ionizes seawater by described power source body, when accessing straight line current, parallel pole bulk voltage is at below 12v.
2. seawater electric osmose desalting plant according to claim 1, is characterized in that: also comprise the sea water preprocessing device for removing extra large impurities in water, described sea water preprocessing device is connected to electric osmose module front end.
3. seawater electric osmose desalting plant according to claim 1, is characterized in that: described parallel pole body comprises metallic cathode body and is provided with two pieces, is arranged in parallel in gac felt-cloth anode bodies both sides.
4. the seawater electric osmose desalting plant according to claim 1 or 3, is characterized in that: described gac felt-cloth anode bodies is bamboo base charcoal felt-cloth or agar gac felt-cloth, and this gac charcoal felt-cloth anode bodies thickness is 3-10mm.
5. the seawater electric osmose desalting plant according to claim 1 or 3, is characterized in that: described metallic cathode body is composite titanium plate composition, and this composite titanium plate thickness is 1-2mm.
6. seawater electric osmose desalting plant according to claim 1, is characterized in that: also comprise the raffinate room be communicated with sea water desaltination room, and this raffinate room is provided with raffinate outlet, this sea water desaltination room is provided with parsing sea intake.
7. seawater electric osmose desalting plant according to claim 1, it is characterized in that: described power source body comprises rectifier and time controller, this rectifier is used for time range switching electrodes alternating-current being converted to direct current, this time controller control parallel pole body is being preset.
8. a seawater electric osmose desalination method, is characterized in that: use the seawater electric osmose desalting plant described in claim 1-7 any one claim, concrete steps are as follows:
Step 1, according to the amount configuration electric osmose module desalinized seawater, the parallel/serial joint group of many group electric osmose modules closes;
Step 2, seawater passes in sea water desaltination room by the import that desalinizes seawater;
Step 3, sea water desaltination, electric current is accessed parallel pole body and ionizes seawater by power source body under stabilized voltage, seawater flows through between the gap of parallel pole body and insulating barrier, negatively charged ion in the seawater positively charged ion be adsorbed on gac felt-cloth anode bodies, in seawater is adsorbed on metallic cathode body, simultaneously produce ozone during the low-voltage and high-current of parallel pole body below 12 volts, ozone carries out disinfection to seawater at desalting process simultaneously;
Step 4, automatically ion parsing is carried out when parallel pole volume ionization is saturated, control electrode is changed, the positively charged ion now gac felt-cloth anode bodies adsorbed is taken off, negatively charged ion on metallic cathode body is taken off, raffinate has discharged parsing from housing, returns step 4 and continue sea water desaltination after being parsed.
9. seawater electric osmose desalination method according to claim 8, is characterized in that: seawater carries out pre-treatment before passing into electric osmose module, removes suspended matter, degradable organic pollutant matter and part metals ion in seawater.
10. seawater electric osmose desalination method according to claim 8, is characterized in that: described sea water desaltination and ion are resolved and automatically controlled by time controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951510.1A CN105439259A (en) | 2015-12-17 | 2015-12-17 | Seawater electric osmosis desalination equipment and seawater electric osmosis desalination method |
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| CN201510951510.1A CN105439259A (en) | 2015-12-17 | 2015-12-17 | Seawater electric osmosis desalination equipment and seawater electric osmosis desalination method |
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| CN201510951510.1A Pending CN105439259A (en) | 2015-12-17 | 2015-12-17 | Seawater electric osmosis desalination equipment and seawater electric osmosis desalination method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151378A (en) * | 1995-12-05 | 1997-06-11 | 徐宝安 | Seawater desalination method and appts. thereof |
| CN101214976A (en) * | 2008-01-17 | 2008-07-09 | 钱峰 | Extraction system for preparing salt by concentrating sea water |
| CN101481159A (en) * | 2008-01-18 | 2009-07-15 | 朝阳森塬活性炭有限公司 | Seawater electric desalting apparatus and method |
| CN102838242A (en) * | 2011-06-21 | 2012-12-26 | 株式会社神户制钢所 | Sterilization method of seawater, sterilization composition generation device |
| CN205258094U (en) * | 2015-12-17 | 2016-05-25 | 石狮市恒强环境工程科技有限公司 | Sea water electric osmose desalination equipment |
-
2015
- 2015-12-17 CN CN201510951510.1A patent/CN105439259A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151378A (en) * | 1995-12-05 | 1997-06-11 | 徐宝安 | Seawater desalination method and appts. thereof |
| CN101214976A (en) * | 2008-01-17 | 2008-07-09 | 钱峰 | Extraction system for preparing salt by concentrating sea water |
| CN101481159A (en) * | 2008-01-18 | 2009-07-15 | 朝阳森塬活性炭有限公司 | Seawater electric desalting apparatus and method |
| CN102838242A (en) * | 2011-06-21 | 2012-12-26 | 株式会社神户制钢所 | Sterilization method of seawater, sterilization composition generation device |
| CN205258094U (en) * | 2015-12-17 | 2016-05-25 | 石狮市恒强环境工程科技有限公司 | Sea water electric osmose desalination equipment |
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Inventor after: Huang Zhurong Inventor after: Wang Qingsong Inventor before: Wang Zhurong Inventor before: Wang Qingsong |
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Application publication date: 20160330 |