CN214936496U - High-efficient RO desalination system - Google Patents
High-efficient RO desalination system Download PDFInfo
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- CN214936496U CN214936496U CN202120377308.3U CN202120377308U CN214936496U CN 214936496 U CN214936496 U CN 214936496U CN 202120377308 U CN202120377308 U CN 202120377308U CN 214936496 U CN214936496 U CN 214936496U
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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 relates to a neighborhood of RO desalination system, in particular to a high-efficiency RO desalination system; the device comprises a first-stage reverse osmosis device and a second-stage reverse osmosis device, wherein the first-stage reverse osmosis device, the second-stage reverse osmosis device, a support frame and an intermediate water tank are arranged; the first-stage reverse osmosis device and the second-stage reverse osmosis device are fixed on the support frame, the first-stage reverse osmosis device is connected with the middle water tank, and the middle water tank is connected with the second-stage reverse osmosis device; the first-stage reverse osmosis device and the second-stage reverse osmosis device have the same component structure; the first-stage reverse osmosis device comprises two units with the same components, wherein one unit comprises a first-stage reverse osmosis element group and a second-stage reverse osmosis element group; the first section of reverse osmosis element group is connected with the second section of reverse osmosis element group through a pipeline; the utility model provides a traditional desalination system use acid-base, the problem of polluted environment.
Description
Technical Field
The application relates to the field of RO desalination systems, and particularly discloses a high-efficiency RO desalination system.
Background
The traditional desalination system adopts an ion exchange method for desalination, no matter a first-stage compound bed (an anode bed or an anion bed) or a two-stage compound bed or a mixed bed is adopted, ion exchange resin is adopted, the resin is regenerated by acid and alkali and is recycled, and a large amount of waste acid and alkali are discharged in the process of regenerating the resin by the acid and alkali, so that the ecological balance of a water system is damaged.
In view of the above, the inventor provides an efficient RO desalination system so as to solve the problem that the traditional desalination system uses acid and alkali and pollutes the environment.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a high-efficient RO desalination system.
The utility model provides a technical scheme is: comprises a first-stage reverse osmosis device, a second-stage reverse osmosis device, a support frame and a middle water tank; the first-stage reverse osmosis device and the second-stage reverse osmosis device are fixed on the support frame, the first-stage reverse osmosis device is connected with the middle water tank, and the middle water tank is connected with the second-stage reverse osmosis device;
the first-stage reverse osmosis device comprises a unit A and a unit B which have the same components, a reverse osmosis general water inlet pipeline is arranged on the water supply side, and the unit A and the unit B are connected in parallel to the reverse osmosis general water inlet pipeline; the unit A and the unit B are also provided with connecting pipelines which are connected with a flushing water inlet pipeline and a chemical cleaning water inlet pipeline; one unit comprises a first section of reverse osmosis element group consisting of 5 reverse osmosis elements and a second section of reverse osmosis element group consisting of 3 reverse osmosis elements; the 5 reverse osmosis elements of the first section of reverse osmosis element group are arranged in parallel through pipelines, and the 3 reverse osmosis elements of the second section of reverse osmosis element group are arranged in parallel; the first section of reverse osmosis element group is connected with the second section of reverse osmosis element group through a pipeline;
the secondary reverse osmosis device also comprises a unit C and a unit D which have the same components, wherein one unit comprises a first section reverse osmosis element group consisting of 4 reverse osmosis elements and a second section reverse osmosis element group consisting of 2 reverse osmosis elements, the unit C and the unit D are also provided with connecting pipelines which are connected with a chemical cleaning water inlet pipeline; the pipeline structure of the secondary reverse osmosis device is the same as that of the primary reverse osmosis device;
in the first-stage reverse osmosis device, a first section of reverse osmosis element group is arranged at the left side of a support frame, a second section of reverse osmosis element group is arranged at the right side of the support frame, a chemical cleaning return pipeline at the drainage side of the first section of reverse osmosis element group and the second section of reverse osmosis element group is arranged above the support frame, and a reverse osmosis general water pipeline is arranged at the bottom of the left side of the support frame; the reverse osmosis elements are distributed on two sides of the pipeline in pairs;
in the secondary reverse osmosis device, a first section of reverse osmosis element group is arranged at the right side of the support frame, a second section of reverse osmosis element group is arranged at the left side of the support frame, a chemical cleaning return pipeline at the drainage side of the first section of reverse osmosis element group and the second section of reverse osmosis element group is arranged above the support frame, and a reverse osmosis general water pipeline is arranged at the bottom of the right side of the support frame; the reverse osmosis elements are distributed on two sides of the pipeline in pairs;
the reverse osmosis element also comprises a reverse osmosis membrane, a membrane shell cover A, a membrane shell cover B, a water production pipe, a cover plate, a sealing gasket, a baffle plate and a filter screen; a reverse osmosis membrane is fixedly connected in the membrane shell, a water production pipe penetrates through the reverse osmosis membrane, and a cover plate and a membrane shell cover B are arranged at one end of the water production pipe; one end in the water production pipe is provided with a sealing joint, one side of the sealing joint of the water production pipe is sequentially connected with a sealing gasket and a baffle plate, and the baffle plate is detachably connected with the water production pipe; the membrane shell cover A and the baffle are arranged at intervals, and the membrane shell is detachably connected with the membrane shell cover A and the membrane shell cover B; the membrane shell cover A is close to the sealing gasket which is propped against the reverse osmosis membrane, and the cover plate is detachably connected with the membrane shell and is in sealing connection with the water production pipe; the baffle is provided with the limbers, and filter screen fixed connection is on the baffle.
By adopting the technical scheme, the method has the advantages that: the first-stage reverse osmosis device and the second-stage reverse osmosis device are provided with a plurality of reverse osmosis elements to form a reverse osmosis element group, so that the desalting rate is high; the reverse osmosis element filters water by depending on the physical characteristics of the reverse osmosis element, and acid and alkali are not used, so that the environment is protected; the problems that the traditional desalting system uses acid and alkali and pollutes the environment are solved; the reverse osmosis element is provided with the baffle at the water inlet end, so that the impact of water flow on the reverse osmosis element is relieved, the filter screen is arranged on the baffle, impurities in water are filtered, when the reverse osmosis element stops working, liquid staying on the reverse osmosis element can form scale on the contact surface, the baffle and the filter screen are added, a part of scale is fixed on the baffle and the filter screen, and the service life of the reverse osmosis element is prolonged; solves the problems that the reverse osmosis element is easy to be polluted and has short service life.
Furthermore, produce water pipe seal festival one side, one section that the axial is close to membrane cap B produces the water pipe and radially is provided with a plurality of inlet openings A, and the inlet opening is along producing the water pipe axial pipe wall straight line all with the range, and the radial dislocation of inlet opening is arranged and is distributed.
By adopting the technical scheme, the method has the advantages that: the water production pipe is provided with a sealing joint, and two ends of the sealing joint are not communicated, so that water inlet and water production are separated; the inlet openings are linearly arranged along the axial pipe wall of the water production pipe, the inlet openings are radially distributed in a staggered manner, the processing is convenient, when the water production pipe is pressed, cracks are prevented from being formed between the radial through holes, and the material strength is increased.
Furthermore, the centers of the baffle plate and the cover plate are provided with through holes, and the periphery of the baffle plate and the cover plate is provided with water through holes which are fan-shaped.
By adopting the technical scheme, the method has the advantages that: the reverse osmosis element is provided with the baffle at the water inlet end, so that the impact of water flow on the reverse osmosis element is relieved, the filter screen is arranged on the baffle, impurities in water are filtered, when the reverse osmosis element stops working, liquid staying on the reverse osmosis element can form scale on the contact surface, the baffle and the filter screen are added, a part of scale is fixed on the baffle and the filter screen, and the service life of the reverse osmosis element is prolonged; solves the problems that the reverse osmosis element is easy to be polluted and has short service life.
Further, a boss is arranged at the center of the membrane shell cover A, a water inlet hole B is arranged at the center of the boss, the radial inner surface of the membrane shell cover A is arranged in a stepped manner, and the sealing gasket is propped against the stepped portion of the membrane shell cover A; the center of the membrane shell cover B is provided with a through hole, a boss is arranged at the axial eccentric position, and a concentrated water outlet is arranged on the boss and is axially parallel to the through hole.
By adopting the technical scheme, the method has the advantages that: the radial inner surface of the membrane shell cover A is arranged in a stepped manner, and the stepped part of the membrane shell cover A can tightly abut against the sealing gasket, so that the sealing gasket is not easy to slide.
Furthermore, the water production pipeline arranged behind the second section of reverse osmosis element group is provided with an unqualified water production pipeline in parallel, and the unqualified water production pipeline is provided with a rupture membrane and an electric valve in parallel.
By adopting the technical scheme, the method has the advantages that: unqualified water production pipeline is provided with the rupture membrane, and when rupture membrane both sides pressure reached the predetermined value, the rupture membrane broke, can form pressure protection to the pipeline.
Furthermore, a sampling valve is connected behind each reverse osmosis element through a pipeline.
By adopting the technical scheme, the method has the advantages that: and a sampling valve is connected behind each reverse osmosis element through a pipeline, so that a sample can be extracted through the sampling valve, and the water quality can be monitored in real time.
Drawings
FIG. 1 is a schematic diagram showing the structure of a primary reverse osmosis device of a high-efficiency RO desalination system according to an embodiment of the present invention;
FIG. 2 shows a view from the A-A of FIG. 1;
FIG. 3 shows a left side view of FIG. 1;
FIG. 4 shows a right side view of FIG. 1;
FIG. 5 shows a schematic of the construction of a reverse osmosis unit;
FIG. 6 shows a view from the A-A direction of FIG. 5;
FIG. 7 shows a view along B-B of FIG. 5;
figure 8 shows a schematic view of the water production pipe of figure 5.
In the drawings: the device comprises a baffle 1, a water production pipe 2, a sealing gasket 3, a membrane shell cover 4, a cover plate 5, a reverse osmosis membrane 6, a membrane shell 7, a membrane shell cover 8, a filter screen 9, a sealing joint 10, a fan-shaped through hole 11, an electric valve 12, a rupture membrane 13, a reverse osmosis element 14, a reverse osmosis element group 15, a manual valve 16, a rotor flow meter 17 and a stainless steel check valve 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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 invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1
An efficient RO desalination system, as shown in FIGS. 1-8,
the utility model discloses a concrete implementation process: comprises a first-stage reverse osmosis device, a second-stage reverse osmosis device, a support frame and a middle water tank; the first-stage reverse osmosis device and the second-stage reverse osmosis device are fixed on the support frame, the first-stage reverse osmosis device is connected with the middle water tank, and the middle water tank is connected with the second-stage reverse osmosis device;
the first-stage reverse osmosis device comprises a unit A and a unit B which have the same components, a reverse osmosis general water inlet pipeline is arranged on the water supply side, and the unit A and the unit B are connected in parallel to the reverse osmosis general water inlet pipeline; the unit A and the unit B are also provided with connecting pipelines which are connected with a flushing water inlet pipeline and a chemical cleaning water inlet pipeline; one unit comprises a first section of reverse osmosis element group 15 consisting of 5 reverse osmosis elements 14 and a second section of reverse osmosis element group consisting of 3 reverse osmosis elements 14; the 5 reverse osmosis elements 14 of the first section of reverse osmosis element group 15 are arranged in parallel through pipelines, and the 3 reverse osmosis elements 14 of the second section of reverse osmosis element group are arranged in parallel; the first section of reverse osmosis element group 15 is connected with the second section of reverse osmosis element group through a pipeline; the second section of reverse osmosis element is connected with a manual valve 16 through a pipeline, and a stainless steel check valve 18 is connected to a concentrated water outlet pipeline connected with the second section of reverse osmosis element;
the secondary reverse osmosis device also comprises a unit C and a unit D which have the same components, wherein one unit comprises a first section reverse osmosis element group consisting of 4 reverse osmosis elements and a second section reverse osmosis element group consisting of 2 reverse osmosis elements; the pipeline structure of the secondary reverse osmosis device is the same as that of the primary reverse osmosis device;
in the first-stage reverse osmosis device, a first section of reverse osmosis element group 15 is arranged at the left side of a support frame, a second section of reverse osmosis element group is arranged at the right side of the support frame, a chemical cleaning return pipeline at the drainage side of the first section of reverse osmosis element group 15 and the second section of reverse osmosis element group is arranged above the support frame, and a reverse osmosis total incoming water pipeline is arranged at the bottom of the left side of the support frame; the reverse osmosis elements are distributed on two sides of the pipeline in pairs;
in the secondary reverse osmosis device, a first section of reverse osmosis element group is arranged at the right side of the support frame, a second section of reverse osmosis element group is arranged at the left side of the support frame, a chemical cleaning return pipeline at the drainage side of the first section of reverse osmosis element group and the second section of reverse osmosis element group is arranged above the support frame, and a reverse osmosis general water pipeline is arranged at the bottom of the right side of the support frame; the reverse osmosis elements are distributed on two sides of the pipeline in pairs;
a sampling valve is connected behind each reverse osmosis element through a pipeline, a sampling valve is connected behind each reverse osmosis element 14 through a pipeline, a sample can be extracted through the sampling valve, and the water quality can be monitored in real time;
the first-stage reverse osmosis device and the second-stage reverse osmosis device are provided with a plurality of reverse osmosis elements 14 to form a reverse osmosis element group, so that the desalting rate is high; the reverse osmosis element 14 filters water by means of self physical characteristics, does not use acid and alkali, and protects the environment; the problems that the traditional desalting system uses acid and alkali and pollutes the environment are solved;
the reverse osmosis element 14 also comprises a reverse osmosis membrane, a membrane shell cover 4, a membrane shell cover 5, a water production pipe 2, a cover plate, a sealing gasket 3 and a baffle plate 1; a reverse osmosis membrane is fixedly connected in the reverse osmosis membrane shell, a water production pipe 2 penetrates through the reverse osmosis membrane, and a cover plate and a membrane shell cover 5 are arranged at one end of the water production pipe 2; the water production pipe 2 also comprises a sealing joint 10, and the sealing joint 10 is arranged at one end in the water production pipe 2;
one section of the water production pipe 2 which is axially close to the membrane shell cover 5 is radially provided with a plurality of water inlet holes at one side of the sealing joint 10 arranged on the water production pipe 2, the water inlet holes are linearly and uniformly arranged along the axial pipe wall of the water production pipe 2, and the water inlet holes are radially distributed in a staggered arrangement manner; the water pipe is provided with a sealing joint 10, and two ends of the sealing joint 10 are not communicated, so that water inlet and water production are separated; the water inlet holes are linearly and uniformly arranged along the axial pipe wall of the water production pipe 2, the water inlet holes are radially and alternately arranged and distributed, the processing is convenient, when the water production pipe 2 is pressed, cracks are prevented from being formed among radial through holes, and the material strength is increased;
the other side of a sealing joint 10 arranged on the water production pipe 2 is sequentially connected with a sealing gasket 3 and a baffle plate 1, and the baffle plate 1 is detachably connected with the water production pipe 2; the membrane shell cover 4 and the baffle plate 1 are arranged at intervals, and the membrane shell is detachably connected with the membrane shell cover 4 and the membrane shell cover 5; the membrane shell cover 4 is abutted against the sealing gasket 3, the sealing gasket 3 is abutted against the reverse osmosis membrane, and the cover plate is detachably connected with the membrane shell and is hermetically connected with the water production pipe 2; the center of the baffle 1 is provided with a through hole, the periphery of the baffle is provided with water through holes, and the water through holes are fan-shaped water through holes 11; the center of the cover plate is provided with a through hole, the periphery of the cover plate is provided with water through holes, the water through holes are fan-shaped water through holes 11, and the filter screen 9 is fixedly connected to the baffle plate 1; the reverse osmosis element 14 is provided with the baffle 1 at the water inlet end, so that the impact of water flow on the reverse osmosis element 14 is relieved, the filter screen 9 is arranged on the baffle 1, impurities in water are filtered, when the reverse osmosis element 14 stops working, liquid staying in the reverse osmosis element 14 can form scale on the contact surface, the baffle 1 and the filter screen 9 are added, a part of scale is fixed on the baffle 1 and the filter screen 9, and the service life of the reverse osmosis element 14 is prolonged; the problems that the reverse osmosis element 14 is easy to be polluted and the service life is short are solved;
a boss is arranged at the center of the membrane shell cover 4, a water inlet hole is arranged at the center of the boss, the radial inner surface of the membrane shell cover 4 is arranged in a stepped manner, and the sealing gasket 3 is propped at the stepped position of the membrane shell cover 4; a through hole is formed in the center of the membrane shell cover 5, a boss is arranged at an axial eccentric position, and a concentrated water outlet is formed in the boss and is axially parallel to the through hole; the radial inner surface of the membrane shell cover 4 is arranged in a step manner, so that the sealing gasket 3 can be tightly propped against the step of the membrane shell cover 4, and the sealing gasket 3 is not easy to slide;
the water production pipeline arranged behind the second section of reverse osmosis element group is connected in parallel with an unqualified water production pipeline, the water production pipeline is connected with a rotor flowmeter 17, and the unqualified water production pipeline is connected in parallel with a rupture membrane 13 and an electric valve 12; the unqualified water production pipeline is provided with the rupture membrane 13, and when the pressure on the two sides of the rupture membrane 13 reaches a preset value, the rupture membrane 13 is ruptured, so that pressure protection can be formed on the pipeline.
Obviously, the high-efficiency RO desalination system provided by the utility model has the advantages that the first-stage reverse osmosis device and the second-stage reverse osmosis device are provided with a plurality of reverse osmosis elements to form a reverse osmosis element group, so that the desalination rate is high; the reverse osmosis element filters water by depending on the physical characteristics of the reverse osmosis element, and acid and alkali are not used, so that the environment is protected; the problems that the traditional desalting system uses acid and alkali and pollutes the environment are solved; the reverse osmosis element is provided with the baffle at the water inlet end, so that the impact of water flow on the reverse osmosis element is relieved, the filter screen is arranged on the baffle, impurities in water are filtered, when the reverse osmosis element stops working, liquid staying on the reverse osmosis element can form scale on the contact surface, the baffle and the filter screen are added, a part of scale is fixed on the baffle and the filter screen, and the service life of the reverse osmosis element is prolonged; solves the problems that the reverse osmosis element is easy to be polluted and has short service life.
The foregoing is a preferred embodiment of the present invention, and it should be understood that those skilled in the art can derive the related technical solutions through logic analysis, reasoning or experiment based on the present invention without creative efforts, and therefore, these related technical solutions should be within the protection scope of the present claims.
Claims (6)
1. An efficient RO desalination system is characterized in that: comprises a first-stage reverse osmosis device, a second-stage reverse osmosis device, a support frame and a middle water tank; the first-stage reverse osmosis device and the second-stage reverse osmosis device are fixed on the support frame, the first-stage reverse osmosis device is connected with the middle water tank, and the middle water tank is connected with the second-stage reverse osmosis device;
the first-stage reverse osmosis device comprises a unit A and a unit B which have the same components, a reverse osmosis general water inlet pipeline is arranged on the water supply side, and the unit A and the unit B are connected in parallel to the reverse osmosis general water inlet pipeline; the unit A and the unit B are also provided with connecting pipelines which are connected with a flushing water inlet pipeline and a chemical cleaning water inlet pipeline; one unit comprises a first section of reverse osmosis element group consisting of 5 reverse osmosis elements and a second section of reverse osmosis element group consisting of 3 reverse osmosis elements; the 5 reverse osmosis elements of the first section of reverse osmosis element group are arranged in parallel through pipelines, and the 3 reverse osmosis elements of the second section of reverse osmosis element group are arranged in parallel; the first section of reverse osmosis element group is connected with the second section of reverse osmosis element group through a pipeline;
the secondary reverse osmosis device also comprises a unit C and a unit D which have the same components, wherein one unit comprises a first section reverse osmosis element group consisting of 4 reverse osmosis elements and a second section reverse osmosis element group consisting of 2 reverse osmosis elements, the unit C and the unit D are also provided with connecting pipelines which are connected with a chemical cleaning water inlet pipeline; the pipeline structure of the secondary reverse osmosis device is the same as that of the primary reverse osmosis device;
in the first-stage reverse osmosis device, a first section of reverse osmosis element group is arranged at the left side of a support frame, a second section of reverse osmosis element group is arranged at the right side of the support frame, a chemical cleaning return pipeline at the drainage side of the first section of reverse osmosis element group and the second section of reverse osmosis element group is arranged above the support frame, and a reverse osmosis general water pipeline is arranged at the bottom of the left side of the support frame; the reverse osmosis elements are distributed on two sides of the pipeline in pairs;
in the secondary reverse osmosis device, a first section of reverse osmosis element group is arranged at the right side of the support frame, a second section of reverse osmosis element group is arranged at the left side of the support frame, a chemical cleaning return pipeline at the drainage side of the first section of reverse osmosis element group and the second section of reverse osmosis element group is arranged above the support frame, and a reverse osmosis general water pipeline is arranged at the bottom of the right side of the support frame; the reverse osmosis elements are distributed on two sides of the pipeline in pairs;
the reverse osmosis element also comprises a reverse osmosis membrane, a membrane shell cover A, a membrane shell cover B, a water production pipe, a cover plate, a sealing gasket, a baffle plate and a filter screen; a reverse osmosis membrane is fixedly connected in the membrane shell, a water production pipe penetrates through the reverse osmosis membrane, and a cover plate and a membrane shell cover B are arranged at one end of the water production pipe; one end in the water production pipe is provided with a sealing joint, one side of the sealing joint of the water production pipe is sequentially connected with a sealing gasket and a baffle plate, and the baffle plate is detachably connected with the water production pipe; the membrane shell cover A and the baffle are arranged at intervals, and the membrane shell is detachably connected with the membrane shell cover A and the membrane shell cover B; the membrane shell cover A is close to the sealing gasket which is propped against the reverse osmosis membrane, and the cover plate is detachably connected with the membrane shell and is in sealing connection with the water production pipe; the baffle is provided with the limbers, and filter screen fixed connection is on the baffle.
2. A high efficiency RO desalination system according to claim 1, wherein: produce water pipe seal festival one side, one section that the axial is close to membrane cap B produces the water pipe and radially is provided with a plurality of inlet openings A, and the inlet opening is along producing the water pipe axial pipe wall straight line all with the range, and the radial dislocation of inlet opening is arranged and is distributed.
3. A high efficiency RO desalination system according to claim 2, wherein: the centers of the baffle and the cover plate are provided with through holes, and the periphery of the baffle and the cover plate is provided with water through holes which are fan-shaped.
4. A high efficiency RO desalination system according to claim 3, wherein: a boss is arranged at the center of the membrane shell cover A, a water inlet hole B is arranged at the center of the boss, the radial inner surface of the membrane shell cover A is arranged in a stepped manner, and the sealing gasket is propped against the stepped portion of the membrane shell cover A; the center of the membrane shell cover B is provided with a through hole, a boss is arranged at the axial eccentric position, and a concentrated water outlet is arranged on the boss and is axially parallel to the through hole.
5. A high efficiency RO desalination system according to claim 4, wherein: the water production pipeline arranged behind the second section of reverse osmosis element group is provided with an unqualified water production pipeline in parallel, and the unqualified water production pipeline is provided with a rupture membrane and an electric valve in parallel.
6. A high efficiency RO desalination system according to claim 5, wherein: a sampling valve is connected behind each reverse osmosis element through a pipeline.
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| CN202120377308.3U CN214936496U (en) | 2021-02-19 | 2021-02-19 | High-efficient RO desalination system |
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| CN202120377308.3U CN214936496U (en) | 2021-02-19 | 2021-02-19 | High-efficient RO desalination system |
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