CN105461116A - Desalting treatment device for seawater - Google Patents
Desalting treatment device for seawater Download PDFInfo
- Publication number
- CN105461116A CN105461116A CN201511034495.0A CN201511034495A CN105461116A CN 105461116 A CN105461116 A CN 105461116A CN 201511034495 A CN201511034495 A CN 201511034495A CN 105461116 A CN105461116 A CN 105461116A
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- CN
- China
- Prior art keywords
- filter
- reverse osmosis
- desalting treatment
- treatment equipment
- osmosis membrane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/44—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
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- 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
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- 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)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides a desalting treatment device for seawater. The device comprises a pretreatment system, a reverse osmosis system and a disinfection system. The pretreatment system comprises a quartz sand filter, an active carbon filter, an antisludging agent adding device and a PH value adjusting filtering core. The quartz sand filter is arranged behind a water inlet, and the active carbon filter is arranged behind the quartz sand filter. The antisludging agent adding device comprises a dissolving box and a metering pump. The PH value adjusting filtering core is arranged behind the quartz sand filter. The reverse osmosis system comprises a bagged filter, a high-pressure pump and a reverse osmosis membrane stack. The bagged filter is arranged behind the active carbon filter, the high-pressure pump is arranged behind the PH value adjusting filtering core, the reverse osmosis membrane stack is arranged behind the high-pressure pump, and the disinfection system is arranged on a water outlet pipe of the reverse osmosis system. According to the device, a pretreatment and reverse osmosis combined mode is used, so that energy consumption during water desalting is low, and automatic control is facilitated.
Description
Technical field
The present invention relates to field of sea water desalting technology, particularly relate to a kind of desalting treatment equipment of seawater.
Background technology
Earth surface nearly more than 90% cover by seawater, along with the continuous minimizing of Freshwater resources, seawater becomes one of main path of social development and people's domestic water.But its construction investment of traditional method for desalting seawater is high, power consumption is large, and the turndown ratio of equipment is little.Therefore, an important goal of desalination technology development reduces running cost, and in the formation of running cost, the proportion shared by energy consumption is maximum, so reducing energy consumption is reduce the most effective means of sea water desaltination cost.Reverse osmosis seawater desalting is one of mainstream technology of current sea water desaltination.In reverse osmosis seawater desalting process, need to consume a large amount of electric energy and promote intake pressure to overcome the osmotic pressure of water, and the dense water overbottom pressure that reverse osmosis membrane is discharged is up to 5.5 ~ 6.5MPa, the rate of recovery according to 40% calculates, the feed water pressure energy of about 60% is also contained in the strong brine of discharge, this part energy reclaimed and become the energy consumption that significantly can reduce reverse osmosis seawater desalting into water energy, the realization of this purpose depends on the raising of Energy Recovery Technology.
Summary of the invention
Main purpose of the present invention is to solve problems of the prior art, provides that a kind of reduced investment, energy consumption are low, device volume is little, and operation of equipment is simple, the easy to maintenance and desalting treatment equipment of the seawater operated at normal temperatures.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of desalting treatment equipment of seawater, and the desalting treatment equipment of described seawater comprises pretreatment system, reverse osmosis system and sterilisation system, wherein,
Described pretreatment system comprises quartz filter, activated charcoal filter, Scale inhibitors chemicals dosing plant and pH value and regulates filter core, described quartz filter is arranged at after water-in, described activated charcoal filter is arranged at after described quartz filter, described Scale inhibitors chemicals dosing plant comprises a molten medicine-chest and a volume pump, Scale inhibitors in described molten medicine-chest pumps in the pipeline before reverse osmosis membrane stack by described volume pump, and described pH value regulates filter core to be arranged at after deep bed filter;
Described reverse osmosis system comprises deep bed filter, high-pressure pump and reverse osmosis membrane stack, described deep bed filter is arranged at after described activated charcoal filter, this deep bed filter is for removing impurity to protect reverse osmosis membrane stack, described high-pressure pump is arranged at described pH value and regulates after filter core, this high-pressure pump is by arranging the intake pressure of raw water quality, can obtain the different rate of recovery, described reverse osmosis membrane stack is arranged on after described high-pressure pump;
Described sterilisation system is arranged on the outlet conduit of described reverse osmosis system, prevents breed bacteria.
Further, the effluent quality of described pretreatment system is set to pollution index (SDI) <3.
Further, described quartz filter is arranged a quartz filter Full-automatic filter valve.
Further, described activated charcoal filter is arranged an activated charcoal filter Full-automatic filter valve.
Further, the reverse osmosis membrane of described reverse osmosis membrane stack is set to semi-permeable membrane, and this reverse osmosis membrane selectivity under impressed pressure effect, through some component in the aqueous solution, thus reaches the object of desalination, water purification or concentrating and separating.
Further, described reverse osmosis membrane stack is arranged a concentrated water discharge mouth, and this concentrated water discharge mouth also discharges the backwash water of quartz filter, activated charcoal filter.
Further, described sterilisation system is arranged a tap water water-in, this tap water water-in configures liquid for injecting tap water for sterilizing unit.
The advantage that the present invention has and positively effect are: the desalting treatment equipment of seawater provided by the invention, pass through pre-treatment, the mode that reverse osmosis and after-treatment system combine, the technological merit of impervious desalination system can be given full play to, ensure its good design performance and long safe operation, especially ensure that the work-ing life of reverse osmosis membrane.And the desalting treatment equipment of this seawater, can arrange the different rate of recovery according to different raw water qualities, and make system energy-conservation as much as possible by flow process and selecting of device.So the desalting treatment equipment of seawater of the present invention is applicable to the desalting engineering of the large, medium and small scale such as seawater, brackish water, and the volume of this equipment is little, simple to operate and easy to maintenance.
Accompanying drawing explanation
Fig. 1 is of the present invention is schematic diagram
In figure: 10-pretreatment system, 101-water-in, 102-quartz filter Full-automatic filter valve, 103-activated charcoal filter Full-automatic filter valve, 104-quartz filter, 105-activated charcoal filter, 106-PH value regulates filter core, 20-reverse osmosis system, 201-deep bed filter, 202-high-pressure pump, 203-reverse osmosis membrane stack, 204-concentrated water discharge mouth, 30-sterilisation system, 301-tap water water-in, 302-produces water water outlet.
Embodiment
For a better understanding of the present invention, below in conjunction with specific embodiments and the drawings, the present invention is conducted further description.
As shown in Figure 1, a kind of desalting treatment equipment of seawater, comprises pretreatment system 10, reverse osmosis system 20 and sterilisation system 30, wherein,
Pretreatment system 10 comprises quartz filter 104, activated charcoal filter 105, Scale inhibitors chemicals dosing plant and pH value and regulates filter core 106, quartz filter 104 is arranged at after water-in 101, activated charcoal filter 105 is arranged at after quartz filter 104, Scale inhibitors chemicals dosing plant comprises a molten medicine-chest and a volume pump, Scale inhibitors in molten medicine-chest pumps in the pipeline before reverse osmosis membrane stack 203 by volume pump, and pH value regulates filter core 106 to be arranged at after deep bed filter 201;
Reverse osmosis system 20 comprises deep bed filter 201, high-pressure pump 202 and reverse osmosis membrane stack 203; deep bed filter 201 is arranged at after activated charcoal filter 105; this deep bed filter 201 is for removing impurity to protect reverse osmosis membrane stack 203; high-pressure pump 202 is arranged at pH value and regulates after filter core 106; this high-pressure pump 202, by arranging the intake pressure of raw water quality, can obtain the different rate of recovery.Reverse osmosis membrane stack 203 is arranged on after high-pressure pump 202;
Sterilisation system 30 is arranged on the outlet conduit of reverse osmosis system 20, prevents breed bacteria.
The effluent quality of pretreatment system 10 is set to pollution index (SDI) <3.
Quartz filter 104 is arranged a quartz filter Full-automatic filter valve 102.
Activated charcoal filter 105 is arranged an activated charcoal filter Full-automatic filter valve 103.
The reverse osmosis membrane of reverse osmosis membrane stack 203 is set to semi-permeable membrane, and this reverse osmosis membrane selectivity under impressed pressure effect, through some component in the aqueous solution, thus reaches the object of desalination, water purification or concentrating and separating.
Reverse osmosis membrane stack 203 is arranged a concentrated water discharge mouth 204, and this concentrated water discharge mouth 204 also discharges the backwash water of quartz filter 104, activated charcoal filter 103.
Sterilisation system 30 is arranged a tap water water-in 301, this tap water water-in 301 configures liquid for injecting tap water for sterilizing unit.
Use the desalting treatment equipment of seawater provided by the invention, the different rate of recovery can be arranged according to different raw water qualities, and make system energy-conservation as much as possible by flow process and selecting of device.During work, water source enters the quartz filter Full-automatic filter valve 102 be arranged on quartz filter 104 by water-in 101, then the water outlet of quartz filter full-automatic valve 102 enters the activated charcoal filter Full-automatic filter valve 103 be arranged on activated charcoal filter 105, then the water outlet of activated charcoal filter Full-automatic filter valve 103 regulates filter core 106 through deep bed filter 201 and pH value, further removal suspended solids and other objectionable impurities, the reverse osmosis membrane stack 203 of reverse osmosis system 20 is pumped into again by high-pressure pump 202, utilize the semipermeability of reverse osmosis membrane, make under impressed pressure effect some compositional selecting in the aqueous solution through, carry out desalting treatment, the water outlet of last reverse osmosis system 20 is through the sterilization of sterilisation system 30, delivered to by product water out 302 and use water place, obtain finished product fresh water.Wherein, the backwash water of quartz filter Full-automatic filter valve 102 and activated charcoal filter Full-automatic filter valve 103, collects on a bye-pass with the dense draining of reverse osmosis system 20, is discharged by concentrated water discharge mouth 204.
Above embodiments of the invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the scope of the invention change and improve, and all should still belong within this patent covering scope.
Claims (7)
1. a desalting treatment equipment for seawater, is characterized in that: the desalting treatment equipment of described seawater comprises pretreatment system, reverse osmosis system and sterilisation system, wherein,
Described pretreatment system comprises quartz filter, activated charcoal filter, Scale inhibitors chemicals dosing plant and pH value and regulates filter core, described quartz filter is arranged at after water-in, described activated charcoal filter is arranged at after described quartz filter, described Scale inhibitors chemicals dosing plant comprises a molten medicine-chest and a volume pump, Scale inhibitors in described molten medicine-chest pumps in the pipeline before reverse osmosis membrane stack by described volume pump, and described pH value regulates filter core to be arranged at after deep bed filter;
Described reverse osmosis system comprises deep bed filter, high-pressure pump and reverse osmosis membrane stack, described deep bed filter is arranged at after described activated charcoal filter, described high-pressure pump is arranged at described pH value and regulates after filter core, and described reverse osmosis membrane stack is arranged at after described high-pressure pump;
Described sterilisation system is arranged on the outlet conduit of described reverse osmosis system.
2. the desalting treatment equipment of seawater according to claim 1, is characterized in that: the effluent quality of described pretreatment system is set to pollution index (SDI) <3.
3. the desalting treatment equipment of seawater according to claim 1, is characterized in that: also comprise, and described quartz filter is arranged a quartz filter Full-automatic filter valve.
4. the desalting treatment equipment of seawater according to claim 1, is characterized in that: also comprise, and described activated charcoal filter is arranged an activated charcoal filter Full-automatic filter valve.
5. the desalting treatment equipment of seawater according to claim 1, is characterized in that: the reverse osmosis membrane of described reverse osmosis membrane stack is set to semi-permeable membrane.
6. the desalting treatment equipment of seawater according to claim 1, is characterized in that: also comprise, and described reverse osmosis membrane stack is arranged a concentrated water discharge mouth, and this concentrated water discharge mouth also discharges the backwash water of quartz filter, activated charcoal filter.
7. the desalting treatment equipment of seawater according to claim 1, is characterized in that: also comprise, and described sterilisation system is arranged a tap water water-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034495.0A CN105461116A (en) | 2015-12-31 | 2015-12-31 | Desalting treatment device for seawater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034495.0A CN105461116A (en) | 2015-12-31 | 2015-12-31 | Desalting treatment device for seawater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105461116A true CN105461116A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511034495.0A Pending CN105461116A (en) | 2015-12-31 | 2015-12-31 | Desalting treatment device for seawater |
Country Status (1)
| Country | Link |
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| CN (1) | CN105461116A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517596A (en) * | 2016-12-22 | 2017-03-22 | 重庆市沃利克环保设备有限公司 | Reverse osmosis seawater desalination system and treatment process implemented by same |
| CN110204080A (en) * | 2019-07-11 | 2019-09-06 | 南京慧城水处理设备有限公司 | Surgical instrument and operation cloth grass clean waste water treatment system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5015789A (en) * | 1973-06-14 | 1975-02-19 | ||
| CN201010593Y (en) * | 2007-03-05 | 2008-01-23 | 陶欣 | Intelligent sea water desalting equipment |
| CN201268638Y (en) * | 2008-06-17 | 2009-07-08 | 西安皓海嘉水处理科技有限责任公司 | Seawater desalination system by film method |
| CN205442865U (en) * | 2015-12-31 | 2016-08-10 | 天津汉晴环保科技有限公司 | Seawater desalination's treatment facility |
-
2015
- 2015-12-31 CN CN201511034495.0A patent/CN105461116A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5015789A (en) * | 1973-06-14 | 1975-02-19 | ||
| CN201010593Y (en) * | 2007-03-05 | 2008-01-23 | 陶欣 | Intelligent sea water desalting equipment |
| CN201268638Y (en) * | 2008-06-17 | 2009-07-08 | 西安皓海嘉水处理科技有限责任公司 | Seawater desalination system by film method |
| CN205442865U (en) * | 2015-12-31 | 2016-08-10 | 天津汉晴环保科技有限公司 | Seawater desalination's treatment facility |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517596A (en) * | 2016-12-22 | 2017-03-22 | 重庆市沃利克环保设备有限公司 | Reverse osmosis seawater desalination system and treatment process implemented by same |
| CN110204080A (en) * | 2019-07-11 | 2019-09-06 | 南京慧城水处理设备有限公司 | Surgical instrument and operation cloth grass clean waste water treatment system |
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Application publication date: 20160406 |
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| RJ01 | Rejection of invention patent application after publication |