CN216295779U - Reverse osmosis seawater desalination device - Google Patents
Reverse osmosis seawater desalination device Download PDFInfo
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- CN216295779U CN216295779U CN202123051540.7U CN202123051540U CN216295779U CN 216295779 U CN216295779 U CN 216295779U CN 202123051540 U CN202123051540 U CN 202123051540U CN 216295779 U CN216295779 U CN 216295779U
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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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- 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
- Y02A20/138—Water desalination using renewable energy
- Y02A20/144—Wave energy
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Abstract
The utility model discloses a reverse osmosis seawater desalination device, which relates to the technical field of seawater desalination and comprises the following components: the water inlet of the pretreatment tank is communicated with a water source through a water inlet pipe; a water inlet of the coarse filtration group is communicated with a water outlet of the pretreatment tank, and a first water outlet of the coarse filtration group is connected with a wastewater storage tank through a sewage discharge pipe; the water inlet of the reverse osmosis membrane filtering device is communicated with the second water outlet of the coarse filtering group; the fresh water storage pool, the water inlet of fresh water storage pool is linked together with the first drain outlet of reverse osmosis membrane filter equipment. The utility model arranges a coarse filtration group in front of the reverse osmosis filtration device, which can simply filter the seawater, and the coarse filtration group is also connected with a wastewater storage pool, which can store the waste and wastewater.
Description
Technical Field
The utility model relates to the technical field of seawater desalination, in particular to a reverse osmosis seawater desalination device.
Background
With economic development and population growth, water resource shortage has become an unavoidable problem for countries around the world. The demand of human beings for fresh water resources is rapidly increased, and compared with the shortage of land water resources, ocean water resources are abundant, so that the targets of water resource development are shifted to seawater desalination by various countries. Desalination of sea water has become increasingly accepted as the most reliable source of fresh water to address water use in coastal and offshore locations. Seawater desalination is an open source increment technology for realizing water resource utilization, can increase the total amount of fresh water, is not influenced by time, space and climate, has good water quality and gradually reasonable price, and can ensure stable water supply such as coastal resident drinking water and industrial boiler water supplement. Reverse osmosis technology is considered to be the major method of desalination of sea water at present.
However, the existing reverse osmosis seawater desalination device generally depends on only one layer of reverse osmosis system, and impurities in seawater cannot be effectively removed and treated.
Therefore, there is a need in the market for a new reverse osmosis seawater desalination plant for solving the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reverse osmosis seawater desalination device, which is used for solving the technical problems in the prior art, a coarse filtration group is arranged in front of a reverse osmosis filtration device, the seawater can be simply filtered, and the coarse filtration group is also connected with a wastewater storage pool, so that waste and wastewater can be stored.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model discloses a reverse osmosis seawater desalination device, which comprises:
the water inlet of the pretreatment tank is communicated with a water source through a water inlet pipe;
the water inlet of the coarse filtering group is communicated with the water outlet of the pretreatment tank, and the first water outlet of the coarse filtering group is connected with a wastewater storage tank through a sewage discharge pipe;
a water inlet of the reverse osmosis membrane filtering device is communicated with a second water outlet of the coarse filtering group;
and the water inlet of the fresh water storage pool is communicated with the first water outlet of the reverse osmosis membrane filtering device.
Preferably, the reverse osmosis membrane filtration device comprises a flat ceramic membrane, the flat ceramic membrane divides the reverse osmosis membrane filtration device into a first reverse osmosis cavity and a second reverse osmosis cavity, the first reverse osmosis cavity is communicated with the second water outlet of the coarse filtration group through the water inlet of the reverse osmosis membrane filtration device, and the second reverse osmosis cavity is communicated with the fresh water storage tank through the first water outlet of the reverse osmosis membrane filtration device.
Preferably, the reverse osmosis first cavity is provided with a second water outlet of the reverse osmosis membrane filtering device, the second water outlet of the reverse osmosis membrane filtering device is communicated with a water inlet of the reverse osmosis membrane filtering device through a circulating pipeline, and the circulating pipeline is further connected with an ozone generator through an ozone pipeline.
Preferably, the coarse filtration group includes a primary filtration tank and a secondary filtration tank, the water inlet of the primary filtration tank is communicated with the water outlet of the pretreatment tank, the water inlet of the secondary filtration tank is communicated with the water outlet of the primary filtration tank, and the water outlet of the secondary filtration tank is communicated with the water inlet of the reverse osmosis membrane filtration device.
Preferably, the primary filter tank and the secondary filter tank are respectively communicated with the wastewater storage tank through a drain pipe, and a drain valve is arranged on the drain pipe.
Preferably, a primary filter layer is arranged in the primary filter tank, the primary filter tank is divided into a primary filter first cavity and a primary filter second cavity by the primary filter layer, the primary filter first cavity is respectively communicated with the pretreatment tank and the wastewater storage tank, and the primary filter second cavity is communicated with the secondary filter tank;
and a secondary filter layer is arranged in the secondary filter tank, the secondary filter tank is divided into a secondary filter first cavity and a secondary filter second cavity by the secondary filter layer, the secondary filter first cavity is respectively communicated with the primary filter tank and the wastewater storage tank, and the secondary filter second cavity is communicated with the reverse osmosis membrane filter device.
Preferably, the primary filter layer is a quartz sand filter layer;
the second-stage filter layer is an anthracite filter layer.
Preferably, the coarse filtration group is communicated with the reverse osmosis membrane filtration device through a reverse osmosis water inlet pipe, and a second water pump and a pressure gauge are arranged on the reverse osmosis water inlet pipe.
Compared with the prior art, the utility model has the following technical effects:
1. a coarse filtering group is arranged in front of the reverse osmosis membrane filtering device, so that redundant impurities can be removed;
2. the waste water storage pool is arranged, so that waste and waste water can be stored;
3. the ozone generator is arranged, oxidation sterilization can be carried out on the surface of the flat ceramic membrane, membrane flux can be greatly improved, and the bacteria removing effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a connection diagram of a reverse osmosis seawater desalination plant according to an embodiment of the present invention;
in the figure: 1-a pretreatment pool; 2-a first-stage filtering tank; 3-a secondary filtering tank; 4-a reverse osmosis membrane filtration unit; 5-an ozone generator; 6-fresh water storage pool; 7-a waste water storage tank; 8-a first water pump; 9-a second water pump; 10-pressure gauge; 100-reverse osmosis seawater desalination device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide a reverse osmosis seawater desalination device, which is used for solving the technical problems in the prior art, a coarse filtration group is arranged in front of a reverse osmosis filtration device, the seawater can be simply filtered, and the coarse filtration group is also connected with a wastewater storage pool, so that waste and wastewater can be stored.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the present embodiment provides a reverse osmosis seawater desalination apparatus 100, including:
the water inlet of the pretreatment tank 1 is communicated with a water source through a water inlet pipe, the water source can be sea directly or a container for containing seawater, a first water pump 8 is arranged on the water inlet pipe and can pump the water source into the pretreatment tank 1, and a filtering fence is arranged at the water inlet of the pretreatment tank 1 and can simply filter the seawater;
the device comprises a coarse filtering group, a pretreatment pool 1, a first drainage port, a second drainage port, a sewage storage pool 7 and a sewage valve, wherein the coarse filtering group comprises a plurality of coarse filtering devices which are sequentially arranged, the specific number of the coarse filtering devices can be set according to actual needs, the water inlet of the coarse filtering group is communicated with the water outlet of the pretreatment pool 1 through a pipeline, the first drainage port of the coarse filtering group is connected with the sewage storage pool 7 through the sewage pipe, and the sewage valve is arranged on the first drainage pipe;
a water inlet of the reverse osmosis membrane filtering device 4 is communicated with a second water outlet of the coarse filtering group through a pipeline;
a fresh water storage pool 6, wherein the water inlet of the fresh water storage pool 6 is communicated with the first water outlet of the reverse osmosis membrane filtering device 4 through a pipeline.
When the seawater desalination device is used, under the action of the first water pump 8, seawater is pumped into the pretreatment tank 1 through the water inlet pipe, and the seawater is subjected to pretreatment such as condensation, precipitation and filtration in the pretreatment tank 1. The seawater then enters the coarse filtration group through a pipeline, and impurities are removed in the coarse filtration group. Enters the reverse osmosis membrane filtering device 4, can further remove impurities and bacteria in the seawater, and the seawater is desalinated. And finally, delivering the desalinated seawater to a fresh water storage pool 6 through a pipeline for storage.
In this embodiment, the reverse osmosis membrane filtration device 4 includes a flat ceramic membrane, the flat ceramic membrane is an asymmetric membrane, membrane pores are distributed at the flat ceramic membrane and asymmetrically distributed, and the pore diameter of the membrane pores is 50nm to 200 nm. The flat ceramic membrane is formed by sintering aluminum oxide at high temperature. The filtered water of the membrane has stable quality, high mechanical strength of the membrane body, long service life and large adaptive temperature range (0-60 ℃), and compared with a polymer ultrafiltration membrane which is easy to break at low temperature and higher temperature, the membrane has great superiority, good chemical stability, very good oxidation resistance, acid and alkali resistance and biological corrosion resistance. Furthermore, the flat ceramic membrane is obliquely arranged, the reverse osmosis membrane filtering device 4 is divided into a left part and a right part of a reverse osmosis first cavity and a reverse osmosis second cavity by the flat ceramic membrane, the reverse osmosis first cavity is communicated with a second water outlet of the coarse filtering group through a water inlet of the reverse osmosis membrane filtering device 4, and the reverse osmosis second cavity is communicated with the fresh water storage pool 6 through a first water outlet of the reverse osmosis membrane filtering device 4. When in use, the seawater passing through the flat ceramic membrane is desalted and filtered, and is directly conveyed into the fresh water storage tank 6.
In this embodiment, the lower end of the reverse osmosis first cavity is provided with a second water outlet of the reverse osmosis membrane filtering device 4, the second water outlet of the reverse osmosis membrane filtering device 4 is communicated with the water inlet of the reverse osmosis membrane filtering device 4 through a circulation pipeline, specifically, the circulation pipeline is connected with a pipeline between the reverse osmosis membrane filtering device 4 and the coarse filtering group, the circulation pipeline is provided with a three-way valve, the circulation pipeline is further connected with an ozone pipeline through the three-way valve, and one end of the ozone pipeline is connected with the ozone generator 5. When the device is used, the seawater which does not pass through the flat ceramic membrane returns to a pipeline between the reverse osmosis membrane filtering device 4 and the coarse filtering group again through the circulating pipeline, and the seawater can be combined with ozone on the circulating pipeline. The reason why the ozone is added is that the ozone is added to oxidize and sterilize the surface of the flat ceramic membrane, so that the membrane flux can be greatly improved, the bacteria removing effect is good, and organic matters with low molecular weight can be oxidized into water and carbon dioxide. In addition, a pneumatic valve can be additionally arranged on the ozone pipeline, the opening degree of the pneumatic valve and the ozone amount generated by the ozone generator 5 are adjusted according to the water quality condition of the seawater, and the reasonable adding amount is determined.
In this embodiment, the coarse filtration group includes two coarse filtration devices, specifically does, and the coarse filtration group is including the primary filter tank 2 and the secondary filter tank 3 that set gradually, and the water inlet of primary filter tank 2 is linked together with the delivery port of preliminary treatment pond 1, and the water inlet of secondary filter tank 3 is linked together with the delivery port of primary filter tank 2, and the delivery port of secondary filter tank 3 is linked together with reverse osmosis membrane filter device 4's water inlet. The skilled person can also arrange some coarse filtration devices according to the required number.
In this embodiment, the primary filter tank 2 and the secondary filter tank 3 are respectively communicated with the wastewater storage tank 7 through a drain pipe, the drain pipe connected with the primary filter tank 2 and the secondary filter tank 3 is the drain pipe connected with the first drain port of the coarse filtration group, a drain valve is arranged on the drain pipe, and the drain valve can be a flow valve and can be used for adjusting the opening degree of the drain valve as required.
In the embodiment, a primary filter layer is arranged in the primary filter tank 2, the primary filter layer is obliquely arranged, the primary filter tank 2 is divided into a primary filter first cavity and a primary filter second cavity by the primary filter layer, the primary filter first cavity is respectively communicated with the pretreatment tank 1 and the wastewater storage tank 7, and the primary filter second cavity is communicated with the secondary filter tank 3;
the secondary filter tank 3 is the same as the primary filter tank 2 in structure, a secondary filter layer is arranged in the secondary filter tank 3, the secondary filter layer is inclined and arranged similarly, only the material of the primary filter layer is different from that of the secondary filter layer, the secondary filter tank 3 is divided into a first secondary filter cavity and a second secondary filter cavity which are communicated with the primary filter tank 2 and the wastewater storage tank 7 respectively, and the second secondary filter cavity is communicated with the reverse osmosis membrane filter device 4.
It should be noted that the first filtering tank, the second filtering tank and the reverse osmosis membrane filtering device 4 are all of a closed structure, so that the entry of external impurities can be prevented.
The heights of the pretreatment tank 1, the first filtering tank and the second filtering tank are sequentially reduced, so that all connecting pipelines are obliquely arranged. The advantage of this arrangement is that when the seawater flows to the next device, a certain potential energy is generated due to the inclined pipeline, thereby increasing the seawater conveying capacity and the scouring capacity of the first filter layer and the second filter layer.
In this embodiment, the primary filter layer is a quartz sand filter layer; the second filtering layer is an anthracite filtering layer. The skilled person in the art can also select a filter layer of other materials according to actual needs, as long as the technical effect of filtering can be achieved.
In this embodiment, the coarse filtration unit and the reverse osmosis membrane filtration device 4 are communicated through a reverse osmosis water inlet pipe, and a second water pump 9 and a pressure gauge 10 are arranged on the reverse osmosis water inlet pipe. The second water pump 9 is a booster pump and mainly functions to increase the pressure of the seawater so that the seawater can flush through the flat ceramic membrane. The pressure gauge 10 is used for detecting the seawater pressure of the reverse osmosis water inlet pipe. The skilled person can also arrange other detecting elements on the reverse osmosis water inlet pipe, such as a flow meter, etc.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (8)
1. A reverse osmosis seawater desalination device, comprising:
the water inlet of the pretreatment tank is communicated with a water source through a water inlet pipe;
the water inlet of the coarse filtering group is communicated with the water outlet of the pretreatment tank, and the first water outlet of the coarse filtering group is connected with a wastewater storage tank through a sewage discharge pipe;
a water inlet of the reverse osmosis membrane filtering device is communicated with a second water outlet of the coarse filtering group;
and the water inlet of the fresh water storage pool is communicated with the first water outlet of the reverse osmosis membrane filtering device.
2. A reverse osmosis seawater desalination plant according to claim 1 wherein: the reverse osmosis membrane filtering device comprises a flat ceramic membrane, the flat ceramic membrane divides the reverse osmosis membrane filtering device into a first reverse osmosis cavity and a second reverse osmosis cavity, the first reverse osmosis cavity is communicated with a second water outlet of the coarse filtration group through a water inlet of the reverse osmosis membrane filtering device, and the second reverse osmosis cavity is communicated with the fresh water storage pool through a first water outlet of the reverse osmosis membrane filtering device.
3. A reverse osmosis seawater desalination plant according to claim 2 wherein: the reverse osmosis membrane filter device is characterized in that a second water outlet of the reverse osmosis membrane filter device is formed in the reverse osmosis first cavity, the second water outlet of the reverse osmosis membrane filter device is communicated with a water inlet of the reverse osmosis membrane filter device through a circulating pipeline, and the circulating pipeline is further connected with an ozone generator through an ozone pipeline.
4. A reverse osmosis seawater desalination plant according to claim 1 wherein: the coarse filtration group comprises a primary filtration tank and a secondary filtration tank, the water inlet of the primary filtration tank is communicated with the water outlet of the pretreatment tank, the water inlet of the secondary filtration tank is communicated with the water outlet of the primary filtration tank, and the water outlet of the secondary filtration tank is communicated with the water inlet of the reverse osmosis membrane filtration device.
5. A reverse osmosis seawater desalination plant according to claim 4 wherein: the primary filter tank and the secondary filter tank are respectively communicated with the wastewater storage tank through a drain pipe, and a drain valve is arranged on the drain pipe.
6. A reverse osmosis seawater desalination plant according to claim 4 wherein: a primary filtering layer is arranged in the primary filtering tank, the primary filtering tank is divided into a primary filtering first cavity and a primary filtering second cavity by the primary filtering layer, the primary filtering first cavity is respectively communicated with the pretreatment tank and the wastewater storage tank, and the primary filtering second cavity is communicated with the secondary filtering tank;
and a secondary filter layer is arranged in the secondary filter tank, the secondary filter tank is divided into a secondary filter first cavity and a secondary filter second cavity by the secondary filter layer, the secondary filter first cavity is respectively communicated with the primary filter tank and the wastewater storage tank, and the secondary filter second cavity is communicated with the reverse osmosis membrane filter device.
7. A reverse osmosis seawater desalination plant according to claim 6 wherein: the first-stage filter layer is a quartz sand filter layer;
the second-stage filter layer is an anthracite filter layer.
8. A reverse osmosis seawater desalination plant according to claim 1 wherein: the coarse filtration group is communicated with the reverse osmosis membrane filtering device through a reverse osmosis water inlet pipe, and a second water pump and a pressure gauge are arranged on the reverse osmosis water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051540.7U CN216295779U (en) | 2021-12-07 | 2021-12-07 | Reverse osmosis seawater desalination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051540.7U CN216295779U (en) | 2021-12-07 | 2021-12-07 | Reverse osmosis seawater desalination device |
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| Publication Number | Publication Date |
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| CN216295779U true CN216295779U (en) | 2022-04-15 |
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| CN202123051540.7U Active CN216295779U (en) | 2021-12-07 | 2021-12-07 | Reverse osmosis seawater desalination device |
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- 2021-12-07 CN CN202123051540.7U patent/CN216295779U/en active Active
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