CN115818788A - Seawater desalination device, working method and seawater desalination system - Google Patents
Seawater desalination device, working method and seawater desalination system Download PDFInfo
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- CN115818788A CN115818788A CN202211663187.4A CN202211663187A CN115818788A CN 115818788 A CN115818788 A CN 115818788A CN 202211663187 A CN202211663187 A CN 202211663187A CN 115818788 A CN115818788 A CN 115818788A
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- end plate
- seawater desalination
- water
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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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Abstract
The invention relates to the technical field of seawater desalination equipment, in particular to a seawater desalination device, a working method and a seawater desalination system; a seawater desalination plant comprising: the shell is provided with an accommodating cavity, and a dense water port is formed in the shell; the water inlet end plate is arranged at one end of the shell and is provided with a water inlet; the guide plate is arranged on one side of the water inlet end plate, and a guide groove is formed in the guide plate; the water production end plate is arranged at the other end of the shell and is provided with a water production port; hollow fiber reverse osmosis membrane locates and holds the intracavity, and is located into between water end plate and the product water end plate. The seawater desalination device does not need to be additionally provided with a water inlet area, so that the length of a product is shortened, and the occupied area of equipment is reduced; meanwhile, the seawater desalination device has a simple structure. The seawater desalination device can enable water flow to uniformly enter the hollow fiber reverse osmosis membrane, achieve the best filtering effect and prolong the service life of the hollow fiber reverse osmosis membrane.
Description
Technical Field
The invention relates to the technical field of seawater desalination equipment, in particular to a seawater desalination device, a working method and a seawater desalination system.
Background
The city water supply in China mainly uses surface water or underground water or two water sources are mixed for use. The water pollution not only reduces the use function of the water body, but also further aggravates the contradiction of water resource shortage.
Facing the water crisis, a new water resource development approach has to be found, and the reverse osmosis technology is adopted to desalt seawater and becomes an important approach for solving the global water resource crisis as an open source increment technology of water resources. "supply of fresh water to the ocean" has formed an emerging industry, and several major methods of sea water desalination are MSF (multi-stage flash evaporation), ME (multi-effect distillation), RO (reverse osmosis). Among them, seawater desalination is one of the main application fields of reverse osmosis technology. However, the seawater desalination device in the prior art has a complex structure, a large length and a large floor area.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problems of complex structure, large length and large occupied area of the seawater desalination device in the prior art, thereby providing a seawater desalination device, a working method and a seawater desalination system.
In order to solve the above technical problems, the present invention provides a seawater desalination apparatus, comprising: the shell is provided with an accommodating cavity, and a concentrated water port is formed in the shell; the water inlet end plate is arranged at one end of the shell and is provided with a water inlet; the guide plate is arranged on one side of the water inlet end plate, and a guide groove is formed in the guide plate; the water production end plate is arranged at the other end of the shell and is provided with a water production port; and the hollow fiber reverse osmosis membrane is arranged in the accommodating cavity and is positioned between the water inlet end plate and the water production end plate.
Furthermore, the diversion trench is arranged at one side close to the hollow fiber reverse osmosis membrane, and the cross section of the diversion trench is in a zigzag shape.
Further, the hollow fiber reverse osmosis membrane is a hollow fiber RO membrane.
Further, still include first sealing washer, first sealing washer is located the both ends of guide plate, and with shells inner wall sealing connection.
Furthermore, an adjusting gasket is arranged between the water inlet end plate and the guide plate.
Furthermore, the water production device also comprises second sealing rings, wherein the second sealing rings are arranged at two ends of the water production end plate and are connected with the inner wall of the shell in a sealing manner.
Further, still include the air inlet, the air inlet is located on the water inlet end plate.
Furthermore, the water production device also comprises an end plate handle, and the end plate handle is arranged on the water inlet end plate and the water production end plate.
The invention also provides a working method of the seawater desalination device, which comprises the following steps: seawater enters the shell through the water inlet, the seawater passes through the water inlet end plate and the guide plate, the seawater is uniformly dispersed into the hollow fiber reverse osmosis membrane by using the guide grooves on the guide plate, the seawater is purified by using the hollow fiber reverse osmosis membrane, purified water is reserved from the water production port, and the obtained concentrated solution is discharged from the concentrated water port.
The invention also provides a seawater desalination system which comprises the seawater desalination device.
The technical scheme of the invention has the following advantages:
1. the invention provides a seawater desalination device, which comprises: the shell is provided with an accommodating cavity, and a concentrated water port is formed in the shell; the water inlet end plate is arranged at one end of the shell and is provided with a water inlet; the guide plate is arranged on one side of the water inlet end plate, and a guide groove is formed in the guide plate; the water production end plate is arranged at the other end of the shell and is provided with a water production port; and the hollow fiber reverse osmosis membrane is arranged in the accommodating cavity and is positioned between the water inlet end plate and the water production end plate.
The water inlet end plate is arranged at one end of the shell, and the water inlet is arranged on the water inlet end plate, so that seawater can conveniently enter the accommodating cavity of the shell through the water inlet; simultaneously, set up the guide plate in one side of the end plate of intaking, be equipped with the guiding gutter on the guide plate, the setting of this guiding gutter, can be abundant enter into hollow fiber reverse osmosis membrane with sea water homodisperse, utilize this hollow fiber reverse osmosis membrane to purify, the water purification after the purification is reserved from the mouth of a river of producing on the end plate of producing water that sets up on the casing other end, and the concentrate that obtains is discharged from dense mouth of a river. The seawater desalination device does not need to be additionally provided with a water inlet area, so that the length of a product is shortened, and the occupied area of equipment is reduced; meanwhile, the seawater desalination device has a simple structure. The seawater desalination device can enable water flow to uniformly enter the hollow fiber reverse osmosis membrane, achieve the best filtering effect and prolong the service life of the hollow fiber reverse osmosis membrane.
2. According to the seawater desalination device provided by the invention, the diversion trench is arranged at one side close to the hollow fiber reverse osmosis membrane, and the cross section of the diversion trench is in a zigzag shape. The guide plate is arranged between the water inlet end plate and the hollow fiber reverse osmosis membrane, and the arrangement of the guide plate ensures that seawater uniformly and dispersedly enters the hollow fiber reverse osmosis membrane, so that the hollow fiber reverse osmosis membrane is fully purified, the best filtering effect is achieved, and the service life of the hollow fiber reverse osmosis membrane is prolonged.
3. The seawater desalination device provided by the invention further comprises first sealing rings, wherein the first sealing rings are arranged at two ends of the guide plate and are in sealing connection with the inner wall of the shell. The arrangement of the first sealing ring can effectively improve the sealing performance between the guide plate and the inner wall of the shell, and avoids the leakage of seawater, so that seawater can only enter the hollow fiber reverse osmosis membrane for purification through the water inlet end plate and the guide plate.
4. According to the seawater desalination device provided by the invention, the adjusting gasket is arranged between the water inlet end plate and the guide plate. This adjusting shim's setting for adjust casing internal clearance, make hollow fiber reverse osmosis membrane can fully fix in the casing, prevent the play of hollow fiber reverse osmosis membrane in the casing.
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a seawater desalination plant provided by the present invention;
fig. 2 is a schematic structural diagram of a deflector of the seawater desalination apparatus provided in the present invention.
Description of reference numerals:
1. a housing; 2. an accommodating chamber; 3. a dense water port; 4. a water inlet end plate; 5. a water inlet; 6. a baffle; 7. a diversion trench; 8. a water production end plate; 9. a water producing port; 10. a hollow fiber reverse osmosis membrane; 11. a first seal ring; 12. adjusting the gasket; 13. a second seal ring; 14. an air inlet; 15. an end plate handle.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments can be modified in various different ways, without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
Throughout the description of the present disclosure, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or otherwise in communication with one another; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the disclosure. To simplify the disclosure of the present disclosure, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Moreover, the present disclosure may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The preferred embodiments of the present disclosure will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein only to illustrate and explain the present disclosure, and not to limit the present disclosure.
Referring to fig. 1 to 2, the present invention provides a seawater desalination apparatus, including: the device comprises a shell 1, wherein the shell 1 is provided with an accommodating cavity 2, and a concentrated water port 3 is arranged on the shell 1; the water inlet end plate 4 is arranged at one end of the shell 1, and a water inlet 5 is arranged on the water inlet end plate 4; the guide plate 6 is arranged on one side of the water inlet end plate 4, and a guide groove 7 is arranged on the guide plate 6; the water production end plate 8 is arranged at the other end of the shell 1, and a water production port 9 is arranged on the water production end plate 8; and the hollow fiber reverse osmosis membrane 10 is arranged in the accommodating cavity 2 and is positioned between the water inlet end plate 4 and the water production end plate 8.
A water inlet end plate 4 is arranged at one end part of the shell 1, and a water inlet 5 is arranged on the water inlet end plate 4, so that seawater can conveniently enter the accommodating cavity 2 of the shell 1 through the water inlet 5; simultaneously, set up guide plate 6 in one side of the end plate 4 of intaking, be equipped with guiding gutter 7 on the guide plate 6, this guiding gutter 7's setting can be abundant enter into hollow fiber reverse osmosis membrane 10 with sea water homodisperse, utilize this hollow fiber reverse osmosis membrane 10 to purify, the water purification after the purification is reserved from the mouth of a river 9 of producing on the end plate 8 of producing on the other end of casing 1, and the concentrate that obtains is discharged from dense mouth of a river 3. The seawater desalination device does not need to be additionally provided with a water inlet area, the length of a product is shortened, the occupied area of equipment is reduced, and meanwhile, the seawater desalination device is simple in structure. The seawater desalination device can enable water flow to uniformly enter the hollow fiber reverse osmosis membrane 10, achieves the best filtering effect, and meanwhile prolongs the service life of the hollow fiber reverse osmosis membrane 10.
In the present embodiment, the housing 1 is made of glass fiber reinforced plastic. The shell 1 made of the glass fiber reinforced plastic material has high wear resistance, good corrosion resistance and good corrosion resistance, and has strong immunity to gas, water, acid, alkali, salt, various oils and organic solutions; and the production process is simple, and the processing and the manufacturing are convenient.
In some alternative embodiments, the guiding grooves 7 are arranged on one side close to the hollow fiber reverse osmosis membrane 10, and the cross section of the guiding grooves 7 is zigzag. That is, the guide plate 6 is disposed between the inlet end plate 4 and the hollow fiber reverse osmosis membrane 10, and the arrangement of the guide plate 6 allows the seawater to uniformly and dispersedly enter the hollow fiber reverse osmosis membrane 10, thereby achieving the sufficient purification of the hollow fiber reverse osmosis membrane 10, achieving the best filtration effect, and simultaneously prolonging the service life of the hollow fiber reverse osmosis membrane 10.
In the present embodiment, the hollow fiber reverse osmosis membrane 10 is a hollow fiber RO membrane. The hollow fiber RO membrane is a reverse osmosis membrane element which integrates a large number (hundreds of thousands) of hollow fibers into an inner cylinder, is equivalent to 10 times of the filtration area of a spiral RO membrane which is commonly used in the market, is favorable for prolonging the service life of the membrane element, and has good pressure resistance.
In some optional embodiments, the seawater desalination apparatus further comprises first sealing rings 11, wherein the first sealing rings 11 are disposed at two ends of the flow guide plate 6 and are in sealing connection with the inner wall of the casing 1. This first sealing washer 11 sets up, can effectual improvement between guide plate 6 and the 1 inner wall of casing sealing performance, avoids appearing the condition that the sea water leaked for the sea water can only pass through into water end plate 4 and guide plate 6, enters into to purify in the hollow fiber reverse osmosis membrane 10.
In some alternative embodiments, a regulating gasket 12 is arranged between the water inlet end plate 4 and the flow guide plate 6. This setting of adjusting shim 12 for adjust casing 1 internal clearance, make hollow fiber reverse osmosis membrane 10 can fully fix in casing 1, prevent the play of hollow fiber reverse osmosis membrane 10 in casing 1.
The number of the adjusting gaskets 12 can be set according to actual conditions.
In some optional embodiments, the seawater desalination apparatus further comprises second sealing rings 13, wherein the second sealing rings 13 are disposed at two ends of the water production end plate 8 and are connected with the inner wall of the casing 1 in a sealing manner. The arrangement of the second sealing ring 13 can effectively improve the sealing performance between the guide plate 6 and the inner wall of the shell 1, and avoid the leakage of seawater.
In this embodiment, on the inner wall of casing, still be equipped with two sealing washers, two sealing washers correspond the end plate of intaking and produce water end plate respectively, avoid appearing the condition that the sea water leaked.
In some optional embodiments, the seawater desalination apparatus further comprises an air inlet 14, and the air inlet 14 is arranged on the water inlet end plate 4. The air inlet 14 is provided to inject chlorine gas in the pretreatment stage, thereby preventing biological contamination of the sand filter (which is a front end filter of a seawater desalination plant) and the hollow fiber reverse osmosis membrane 10. When the seawater desalination apparatus needs to have a high recovery rate, the inlet 14 may be used to add sulfuric acid to prevent scale from adhering to the inner wall of the casing 1.
In some optional embodiments, the seawater desalination apparatus further comprises an end plate handle 15, wherein the end plate handle 15 is arranged on the water inlet end plate 4 and the water production end plate 8. The end plate handle 15 is arranged to facilitate the disassembly of the water inlet end plate 4 and the water production end plate 8 and the maintenance in the later period.
The invention also provides a working method of the seawater desalination device, which comprises the following steps: seawater enters the shell 1 through the water inlet 5, the seawater passes through the water inlet end plate 4 and the guide plate 6, the seawater is uniformly dispersed and enters the hollow fiber reverse osmosis membrane 10 by utilizing the guide groove 7 on the guide plate 6, the seawater is purified by utilizing the hollow fiber reverse osmosis membrane 10, purified water is reserved from the water producing port 9, and the obtained concentrated solution is discharged from the concentrated water port 3.
A water inlet end plate 4 is arranged at one end part of the shell 1, and a water inlet 5 is arranged on the water inlet end plate 4, so that seawater can conveniently enter the accommodating cavity 2 of the shell 1 through the water inlet 5; simultaneously, set up guide plate 6 in one side of the end plate 4 of intaking, be equipped with guiding gutter 7 on the guide plate 6, this guiding gutter 7's setting can be abundant enter into hollow fiber reverse osmosis membrane 10 with sea water homodisperse, utilize this hollow fiber reverse osmosis membrane 10 to purify, the water purification after the purification is reserved from the mouth of a river 9 of producing on the end plate 8 of producing on the other end of casing 1, and the concentrate that obtains is discharged from dense mouth of a river 3. The seawater desalination device does not need to be additionally provided with a water inlet area, and the length of a product is shortened, so that the occupied area of equipment is reduced. The seawater desalination device can enable water flow to uniformly enter the hollow fiber reverse osmosis membrane 10, achieves the best filtering effect, and meanwhile prolongs the service life of the hollow fiber reverse osmosis membrane 10.
The invention also provides a seawater desalination system which comprises the seawater desalination device.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A seawater desalination apparatus, comprising:
the device comprises a shell (1), wherein the shell (1) is provided with an accommodating cavity (2), and a thick water port (3) is formed in the shell (1);
the water inlet end plate (4) is arranged at one end of the shell (1), and a water inlet (5) is formed in the water inlet end plate (4);
the guide plate (6) is arranged on one side of the water inlet end plate (4), and a guide groove (7) is formed in the guide plate (6);
the water production end plate (8) is arranged at the other end of the shell (1), and a water production port (9) is arranged on the water production end plate (8);
and the hollow fiber reverse osmosis membrane (10) is arranged in the accommodating cavity (2) and is positioned between the water inlet end plate (4) and the water production end plate (8).
2. The seawater desalination apparatus according to claim 1, wherein the diversion trench (7) is disposed at a side close to the hollow fiber reverse osmosis membrane (10), and the diversion trench (7) has a zigzag cross-section.
3. The seawater desalination apparatus of claim 1 or 2, wherein the hollow fiber reverse osmosis membrane (10) is a hollow fiber RO membrane.
4. The seawater desalination apparatus according to claim 3, further comprising first sealing rings (11), wherein the first sealing rings (11) are disposed at two ends of the deflector (6) and are in sealing connection with the inner wall of the housing (1).
5. The seawater desalination apparatus of claim 4, wherein a regulating gasket (12) is arranged between the water inlet end plate (4) and the flow guide plate (6).
6. The seawater desalination apparatus according to claim 5, further comprising second sealing rings (13), wherein the second sealing rings (13) are disposed at two ends of the water production end plate (8) and are connected with the inner wall of the housing (1) in a sealing manner.
7. The seawater desalination apparatus of claim 6, further comprising an air inlet (14), wherein the air inlet (14) is provided on the water inlet end plate (4).
8. A seawater desalination plant as claimed in any of claims 4 to 7 further comprising end plate handles (15), wherein the end plate handles (15) are provided on the water inlet end plate (4) and the water production end plate (8).
9. A method of operating a seawater desalination plant as claimed in any one of claims 1 to 8, comprising:
seawater enters the shell (1) through the water inlet (5), the seawater passes through the water inlet end plate (4) and the guide plate (6), the seawater is uniformly dispersed and enters the hollow fiber reverse osmosis membrane (10) by utilizing the guide groove (7) on the guide plate (6), the seawater is purified by utilizing the hollow fiber reverse osmosis membrane (10), purified water is reserved from the water producing port (9), and obtained concentrated solution is discharged from the concentrated water port (3).
10. A seawater desalination system comprising the seawater desalination apparatus of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211663187.4A CN115818788A (en) | 2022-12-23 | 2022-12-23 | Seawater desalination device, working method and seawater desalination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211663187.4A CN115818788A (en) | 2022-12-23 | 2022-12-23 | Seawater desalination device, working method and seawater desalination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115818788A true CN115818788A (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211663187.4A Pending CN115818788A (en) | 2022-12-23 | 2022-12-23 | Seawater desalination device, working method and seawater desalination system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115818788A (en) |
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2022
- 2022-12-23 CN CN202211663187.4A patent/CN115818788A/en active Pending
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