CN210764476U - Reverse osmosis seawater desalination system for ship - Google Patents
Reverse osmosis seawater desalination system for ship Download PDFInfo
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- CN210764476U CN210764476U CN201921606503.8U CN201921606503U CN210764476U CN 210764476 U CN210764476 U CN 210764476U CN 201921606503 U CN201921606503 U CN 201921606503U CN 210764476 U CN210764476 U CN 210764476U
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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 utility model relates to a boats and ships sea water desalination technical field discloses a marine reverse osmosis sea water desalination, including first-level high-pressure pump, first-level reverse osmosis membrane, second-level high-pressure pump, second grade reverse osmosis membrane, third-level high-pressure pump and third grade reverse osmosis membrane, and first-level high-pressure pump water inlet links to each other with the sea water entry, and the water outlet is produced with second grade high-pressure pump water inlet to first-level reverse osmosis membrane, and the water outlet is produced with third grade reverse osmosis membrane's water inlet and links to; the water outlet of the second-stage reverse osmosis membrane is connected with the drinking water port, the concentrated water outlet of the second-stage reverse osmosis membrane and the concentrated water outlet of the third-stage reverse osmosis membrane are connected with the domestic water port, and the water outlet of the third-stage reverse osmosis membrane is connected with the high-purity water port. The embodiment of the utility model provides a marine reverse osmosis sea water desalination system through the comprehensive effective utilization to multistage reverse osmosis membrane, can provide drinking water, domestic water and high-purity water under the prerequisite that satisfies the water quality standard, satisfies each user water demand, and the totality energy consumption is low, efficient, has better economic nature.
Description
Technical Field
The utility model relates to a boats and ships sea water desalination technical field especially relates to a marine reverse osmosis sea water desalination.
Background
At present, most of water replenishing sources of steam-water circulation power systems of ships in China come from thermal seawater desalination, reduced-pressure seawater is subjected to low-temperature flash evaporation through boiler steam, and secondary steam is cooled by using seawater to obtain high-purity water required by the power systems. The domestic water of ships and the drinking water of crews are mostly desalinated by adopting a reverse osmosis method, the seawater is pressurized by a high-pressure pump, the seawater is desalted by utilizing a reverse osmosis membrane, and the fresh water is prepared by single-stage or multi-stage reverse osmosis.
The existing ship seawater desalination system has the following defects: the low-temperature flash evaporation method for seawater desalination mainly depends on steam generated by a boiler on a ship, the low-temperature flash evaporation method cannot be operated when a ship power device is in a fault or in a shutdown state, the low-temperature flash evaporation seawater desalination efficiency is low, and the energy consumption of a system is high. In addition, the low-temperature flash evaporation seawater desalination device and the reverse osmosis seawater desalination device are independently arranged and operated, so that the ship seawater desalination system is complex in configuration, poor in reliability and maintainability, multiple in related supporting equipment, large in size and weight of system pipelines and accessories, and the load of the ship is increased undoubtedly.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a marine reverse osmosis sea water desalination for solve low temperature flash distillation sea water desalination device and reverse osmosis sea water desalination device independent setting and the operation that current boats and ships sea water desalination exists, make boats and ships sea water desalination system configuration comparatively complicated, the relatively poor problem of reliability and maintainability.
The embodiment of the utility model provides a marine reverse osmosis seawater desalination system, include: the system comprises a first-stage high-pressure pump, a first-stage reverse osmosis membrane, a second-stage high-pressure pump, a second-stage reverse osmosis membrane, a third-stage high-pressure pump and a third-stage reverse osmosis membrane;
the water inlet of the first-stage high-pressure pump is connected with a seawater inlet, the water outlet of the first-stage high-pressure pump is connected with the water inlet of the first-stage reverse osmosis membrane, the produced water outlet of the first-stage reverse osmosis membrane is connected with the water inlet of the second-stage high-pressure pump, the water outlet of the second-stage high-pressure pump is connected with the water inlet of the second-stage reverse osmosis membrane, the produced water outlet of the second-stage reverse osmosis membrane is connected with the water inlet of the third-stage high-pressure pump, and the water outlet of the third;
the water outlet of the second reverse osmosis membrane is connected with the drinking water port, the concentrated water outlet of the second reverse osmosis membrane is connected with the first living water port, the concentrated water outlet of the third reverse osmosis membrane is connected with the second living water port, and the water outlet of the third reverse osmosis membrane is connected with the high-purity water port.
The concentrated water outlet of the second-level reverse osmosis membrane is also connected with the water inlet of the first-level high-pressure pump, and the concentrated water outlet of the third-level reverse osmosis membrane is also connected with the water inlet of the first-level high-pressure pump.
A first check valve is arranged between the concentrated water outlet of the secondary reverse osmosis membrane and the water inlet of the primary high-pressure pump; and a second check valve is arranged between the concentrated water outlet of the third-level reverse osmosis membrane and the water inlet of the first-level high-pressure pump.
The device comprises a primary high-pressure pump, a secondary high-pressure pump, a pressure regulating device and a water outlet, wherein the pressure regulating device comprises an electric regulating valve and a booster pump which are connected in series, and the water outlet of the booster pump is connected with the water inlet of the primary high-pressure pump.
The pressure regulating device further comprises an emergency bypass valve which is connected with the electric regulating valve in parallel.
The device also comprises a pretreatment filter, and a water outlet of the pretreatment filter is connected with a water inlet of the first-stage high-pressure pump.
Wherein, the pretreatment filter comprises a filter screen, a bag filter and a fine filter which are connected in series.
Wherein, still include setting up the heating device between pretreatment filter and the high-pressure pump of first order.
Wherein, still including set up in the product water export of second grade reverse osmosis membrane with the charcoal filter between the drinking water mouth.
The system also comprises a full-automatic mixed bed arranged between the water production outlet of the three-stage reverse osmosis membrane and the high-purity water gap.
The embodiment of the utility model provides a marine reverse osmosis seawater desalination system, through adopting tertiary reverse osmosis unit to prepare high-purity fresh water, replace the existing low temperature flash distillation seawater desalination system on the boats and ships power device, saved the steam consumption of boiler; through the comprehensive effective utilization to multistage reverse osmosis membrane, can provide drinking water, domestic water and high-purity water under the prerequisite that satisfies the water quality standard, satisfy each user's water demand, have the function of current low temperature flash distillation sea water desalination system and reverse osmosis sea water desalination system among the boats and ships power device concurrently, carried out great simplification to former system configuration to be favorable to optimizing system flow, reduce size and the weight of equipment, overall energy consumption is low, efficient, has better economic nature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a reverse osmosis seawater desalination system for a ship according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pressure adjustment device according to an embodiment of the present invention;
in the figure: 1. a first stage high pressure pump; 2. a first-stage reverse osmosis membrane; 3. a second stage high pressure pump; 4. a secondary reverse osmosis membrane; 5. a third high pressure pump; 6. a third reverse osmosis membrane; 7. a seawater inlet; 8. a concentrated water outlet; 9. a drinking water port; 10. a domestic water outlet; 11. a high-purity water gap; 12. a pressure regulating device; 13. a pretreatment filter; 14. a heating device; 15. a carbon filter; 16. fully-automatic mixing bed; 17. an electric control valve; 18. a normally open stop valve; 19. an emergency bypass valve; 20. a pressure gauge; 21. a booster pump.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.
As shown in figure 1, the embodiment of the utility model provides a marine reverse osmosis sea water desalination system, including first level high-pressure pump 1, one-level reverse osmosis membrane 2, second grade high-pressure pump 3, second grade reverse osmosis membrane 4, tertiary high-pressure pump 5 and tertiary reverse osmosis membrane 6. The high-pressure pump is equipped with water inlet and delivery port, and reverse osmosis membrane is equipped with water inlet, product water export and dense water export, and the high-pressure pump is used for providing reverse osmosis membrane and carries out the required high-pressure environment of raw water reverse osmosis desalination. The water inlet of the first-stage high-pressure pump 1 is connected with the seawater inlet 7, the water outlet of the first-stage high-pressure pump 1 is connected with the water inlet of the first-stage reverse osmosis membrane 2, so that seawater raw water enters the first-stage reverse osmosis membrane 2 after being pressurized by the first-stage high-pressure pump 1; the water outlet of the first-stage reverse osmosis membrane 2 is connected with the water inlet of the second-stage high-pressure pump 3, and the water outlet of the second-stage high-pressure pump 3 is connected with the water inlet of the second-stage reverse osmosis membrane 4, so that the permeation fresh water produced by the desalination treatment of the first-stage reverse osmosis membrane 2 is used as the raw water of the second-stage reverse osmosis membrane 4; the concentrated water obtained by the first-stage reverse osmosis membrane 2 has higher salinity and can be directly discharged out of the system from the concentrated water discharge port 8. The water outlet of the second-stage reverse osmosis membrane 4 is connected with the water inlet of the third-stage high-pressure pump 5, and the water outlet of the third-stage high-pressure pump 5 is connected with the water inlet of the third-stage reverse osmosis membrane 6, so that the permeation fresh water produced by the desalination treatment of the second-stage reverse osmosis membrane 4 is used as the raw water of the third-stage reverse osmosis membrane 6.
Drinking water and domestic water have different water quality requirements, the drinking water is drunk by crews, the domestic water is water necessary for washing and the like to maintain daily life of the crews, and the water quality requirement is slightly lower than that of the drinking water. During the operation of power devices such as a ship steam-water circulation power system and the like, fresh water is lost due to leakage, pollution discharge, sampling and the like, and high-purity water with high water quality requirements needs to be supplemented regularly.
In the reverse osmosis seawater desalination system for the ship provided by the embodiment of the utility model, the water outlet of the secondary reverse osmosis membrane 4 is connected with the drinking water port 9, so that the fresh water subjected to the two-stage reverse osmosis desalination treatment is provided for the crew as drinking water; the concentrated water outlet of the second reverse osmosis membrane 4 is connected with the first living water port, the concentrated water outlet of the third reverse osmosis membrane 6 is connected with the second living water port, the first living water port and the second living water port can be respectively arranged, and can also be connected and arranged as a living water outlet 10, so that the concentrated water produced by the second reverse osmosis membrane 4 and the third reverse osmosis membrane 6 can be used for the life of a crew; the fresh water obtained by the three-stage reverse osmosis desalination treatment has higher purity and can preliminarily meet the water consumption standard of a ship power device, so that the water production outlet of the three-stage reverse osmosis membrane 6 can be connected with the high-purity water gap 11 of a ship.
The existing ship seawater desalination system usually carries out low-temperature flash evaporation on reduced-pressure seawater through boiler steam, high-purity water required by a power system is obtained by cooling secondary steam through seawater, and domestic water and drinking water are desalinated by adopting a reverse osmosis method. The embodiment of the utility model provides a marine reverse osmosis sea water desalination obtains and provides the infiltration fresh water that accords with the drinking water standard through two-stage reverse osmosis desalination to the sea water raw water, obtains and provides the high pure water that accords with power equipment water standard through tertiary reverse osmosis desalination, simultaneously, with the dense water of second grade reverse osmosis membrane 4 and the output of tertiary reverse osmosis membrane 6 as the domestic water that the quality of water requirement is lower relatively. Therefore, the marine reverse osmosis seawater desalination system provided by the embodiment of the utility model adopts the three-stage reverse osmosis device to prepare high-purity fresh water, replaces the existing low-temperature flash evaporation seawater desalination system on the marine power plant, and saves the steam consumption of the boiler; through the comprehensive effective utilization to multistage reverse osmosis membrane, can provide drinking water, domestic water and high-purity water under the prerequisite that satisfies the water quality standard, satisfy each user's water demand, have the function of current low temperature flash distillation sea water desalination system and reverse osmosis sea water desalination system among the boats and ships power device concurrently, carried out great simplification to former system configuration to be favorable to optimizing system flow, reduce size and the weight of equipment, overall energy consumption is low, efficient, has better economic nature.
Further, the embodiment of the utility model provides a marine reverse osmosis sea water desalination, the quality of water of second grade reverse osmosis membrane 4 and the concentrated water of tertiary reverse osmosis membrane 6 exhaust is superior to the sea water, therefore, the concentrated water export of second grade reverse osmosis membrane 4 can also be connected with the water inlet of one-level high-pressure pump 1, the concentrated water export of tertiary reverse osmosis membrane 6 can also be connected with the water inlet of one-level high-pressure pump 1, optimize the desalination process flow, make the concentrated water backward flow of second grade reverse osmosis membrane 4 and tertiary reverse osmosis membrane 6 exhaust to one-level high-pressure pump 1, reduce one-level reverse osmosis membrane 2's reverse osmosis desalination load, improve one-level reverse osmosis fresh water quality of one-level reverse. In order to prevent seawater raw water from flowing back into the concentrated water outlet of the second-stage reverse osmosis membrane 4 and the concentrated water outlet of the third-stage reverse osmosis membrane 6, a first check valve may be provided on a connection pipeline between the concentrated water outlet of the second-stage reverse osmosis membrane 4 and the water inlet of the first-stage high-pressure pump 1, and a second check valve may be provided on a connection pipeline between the concentrated water outlet of the third-stage reverse osmosis membrane 6 and the water inlet of the first-stage high-pressure pump 1.
The embodiment of the utility model provides a marine reverse osmosis seawater desalination system can also include pressure regulating device 12, makes the system can be applicable to different pressure operating modes. As shown in fig. 2, the pressure regulating device 12 includes an electric regulating valve 17 and a booster pump 21 connected in series, a water outlet of the booster pump 21 is connected to a water inlet of the primary high-pressure pump 1, and a pressure gauge 20 may be provided at an inlet of the booster pump 21. Before the seawater enters the first-level high-pressure pump 1, the pressure of the seawater can be adjusted through the pressure adjusting device 12; when the pressure of the inlet seawater is higher, the electric regulating valve 17 is put into operation, the pressure reading of the pressure gauge 20 is within the working range of the system by regulating the opening degree of the electric regulating valve 17, and the booster pump 21 does not work at the moment; when the pressure of the inlet seawater is low, the electric regulating valve 17 is fully opened, and the booster pump 21 is started to work to maintain the inlet pressure. Further, the pressure regulating device 12 may further include an emergency bypass valve 19 provided in parallel with the electric control valve 17, the emergency bypass valve 19 being in a normally closed state when the electric control valve 17 is normally operated, and when the electric control valve 17 fails, manual bypass regulation may be performed by opening the emergency bypass valve 19; a normally open stop valve 18 may be provided behind the electric control valve 17, which normally open stop valve 18 is closed in the event of a failure of the electric control valve 17.
The embodiment of the utility model provides a marine reverse osmosis seawater desalination system can also include pretreatment filter 13, and pretreatment filter 13's delivery port is connected with the water inlet of one-level high-pressure pump 1. Along the water inlet direction of the seawater into the first-stage high-pressure pump 1, the pretreatment filter 13 may be disposed before the pressure regulating device 12 or may be disposed after the pressure regulating device 12, which is not required here. The pre-treatment filter 13 may comprise a screen, a bag filter and a fine filter in series; the filter screen can remove impurities such as sludge and fragments with the particle size of more than 200 microns in seawater; the bag filter is arranged behind the filter screen and can filter out impurities with the diameter of more than 50 microns; the fine filter is arranged behind the bag filter, can filter out impurities of more than 3 microns, and can prevent impurities such as filter materials and the like crushed in the previous process from entering a system; the seawater pretreatment filter 13 needs to be cleaned and replaced regularly to prevent the water production efficiency of the system from being affected by the accumulation of impurities.
The embodiment of the utility model provides a marine reverse osmosis seawater desalination system can also get into first-level high-pressure pump 1 through heating device 14 including setting up heating device 14 between pretreatment filter 13 and one-level high-pressure pump 1, the sea water, makes the system can be applicable to different temperature operating modes. When the temperature of the seawater entering the system is lower than the system requirement, the heating device 14 can be started and adjust the heating power until the seawater is heated to a specified temperature value; the heating device 14 may also be used as an inlet transition tank.
The embodiment of the utility model provides a marine reverse osmosis seawater desalination system, in order to further improve the quality of drinking water, can also set up carbon filter 15 between second grade reverse osmosis membrane 4's product water export and drinking water mouth 9, during the use, the infiltration fresh water of second grade reverse osmosis membrane 4's product water export is through the 15 back of handling of carbon filter, pours into appointed drinking water tank or water tank into earlier, supplies the crewman to drink. A full-automatic mixing bed 16 can be arranged between a water production outlet of the three-stage reverse osmosis membrane 6 and the high-purity water port 11, and further deep desalination treatment is carried out before the high-purity water enters a ship power system; in addition, the water outlet of the third-level reverse osmosis membrane 6 is connected with the high-purity water port 11 of the ship, water quality monitoring can be arranged on a fresh water pipeline produced by the third-level reverse osmosis membrane 6, and the high-purity water port 11 is connected with a water storage tank or a water storage cabin of high-purity water.
As can be seen from the above embodiments, in the reverse osmosis seawater desalination system for ships provided by the utility model, the water outlet of the secondary reverse osmosis membrane 4 is connected with the drinking water port 9, so that the fresh water subjected to the two-stage reverse osmosis desalination treatment is provided for the crew as drinking water; a concentrated water outlet of the second reverse osmosis membrane 4 is connected with the first living water port, and a concentrated water outlet of the third reverse osmosis membrane 6 is connected with the second living water port, so that concentrated water produced by the second reverse osmosis membrane 4 and the third reverse osmosis membrane 6 is used for the life of a crew; the fresh water obtained by the three-stage reverse osmosis desalination treatment has higher purity, can preliminarily meet the water consumption standard of a ship power device, and can ensure that the water production outlet of the three-stage reverse osmosis membrane 6 is connected with the high-purity water gap 11 of a ship. The embodiment of the utility model provides a marine reverse osmosis sea water desalination obtains and provides the infiltration fresh water that accords with the drinking water standard through two-stage reverse osmosis desalination to the sea water raw water, obtains and provides the high pure water that accords with power equipment water standard through tertiary reverse osmosis desalination, simultaneously, with the dense water of second grade reverse osmosis membrane 4 and the output of tertiary reverse osmosis membrane 6 as the domestic water that the quality of water requirement is lower relatively. Therefore, the marine reverse osmosis seawater desalination system provided by the embodiment of the utility model adopts the three-stage reverse osmosis device to prepare high-purity fresh water, replaces the existing low-temperature flash evaporation seawater desalination system on the marine power plant, and saves the steam consumption of the boiler; through the comprehensive effective utilization to multistage reverse osmosis membrane, can provide drinking water, domestic water and high-purity water under the prerequisite that satisfies the water quality standard, satisfy each user's water demand, have the function of current low temperature flash distillation sea water desalination system and reverse osmosis sea water desalination system among the boats and ships power device concurrently, carried out great simplification to former system configuration to be favorable to optimizing system flow, reduce size and the weight of equipment, overall energy consumption is low, efficient, has better economic nature.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A reverse osmosis seawater desalination system for ships, comprising: the system comprises a first-stage high-pressure pump, a first-stage reverse osmosis membrane, a second-stage high-pressure pump, a second-stage reverse osmosis membrane, a third-stage high-pressure pump and a third-stage reverse osmosis membrane;
the water inlet of the first-stage high-pressure pump is connected with a seawater inlet, the water outlet of the first-stage high-pressure pump is connected with the water inlet of the first-stage reverse osmosis membrane, the produced water outlet of the first-stage reverse osmosis membrane is connected with the water inlet of the second-stage high-pressure pump, the water outlet of the second-stage high-pressure pump is connected with the water inlet of the second-stage reverse osmosis membrane, the produced water outlet of the second-stage reverse osmosis membrane is connected with the water inlet of the third-stage high-pressure pump, and the water outlet of the third;
the water outlet of the second reverse osmosis membrane is connected with the drinking water port, the concentrated water outlet of the second reverse osmosis membrane is connected with the first living water port, the concentrated water outlet of the third reverse osmosis membrane is connected with the second living water port, and the water outlet of the third reverse osmosis membrane is connected with the high-purity water port.
2. The marine reverse osmosis seawater desalination system of claim 1, wherein the concentrated water outlet of the second stage reverse osmosis membrane is further connected with the water inlet of the first stage high pressure pump, and the concentrated water outlet of the third stage reverse osmosis membrane is further connected with the water inlet of the first stage high pressure pump.
3. The marine reverse osmosis seawater desalination system of claim 2, wherein a first check valve is arranged between the concentrated water outlet of the secondary reverse osmosis membrane and the water inlet of the primary high pressure pump; and a second check valve is arranged between the concentrated water outlet of the third-level reverse osmosis membrane and the water inlet of the first-level high-pressure pump.
4. The marine reverse osmosis seawater desalination system of claim 1, further comprising a pressure regulating device, wherein the pressure regulating device comprises an electric regulating valve and a booster pump which are connected in series, and a water outlet of the booster pump is connected with a water inlet of the first-stage high-pressure pump.
5. The marine reverse osmosis desalination system of claim 4, wherein the pressure regulating device further comprises an emergency bypass valve disposed in parallel with the electrically actuated regulator valve.
6. The marine reverse osmosis seawater desalination system of claim 1, further comprising a pretreatment filter, wherein an outlet of the pretreatment filter is connected to an inlet of the primary high pressure pump.
7. The marine reverse osmosis seawater desalination system of claim 6, wherein the pretreatment filter comprises a screen, a bag filter and a fine filter in series.
8. The marine reverse osmosis desalination system of claim 6, further comprising a heating device disposed between the pretreatment filter and the primary high pressure pump.
9. The marine reverse osmosis seawater desalination system of claim 1, further comprising a carbon filter disposed between the produced water outlet of the secondary reverse osmosis membrane and the potable water port.
10. The marine reverse osmosis seawater desalination system of claim 1, further comprising a fully automatic mixing bed disposed between the produced water outlet of the third stage reverse osmosis membrane and the high purity water port.
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| CN201921606503.8U CN210764476U (en) | 2019-09-25 | 2019-09-25 | Reverse osmosis seawater desalination system for ship |
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| CN201921606503.8U CN210764476U (en) | 2019-09-25 | 2019-09-25 | Reverse osmosis seawater desalination system for ship |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526340A (en) * | 2019-09-25 | 2019-12-03 | 中国船舶重工集团公司第七一九研究所 | Reverse osmosis seawater desalination system peculiar to vessel |
| CN113526698A (en) * | 2021-06-30 | 2021-10-22 | 中国船舶重工集团公司第七一九研究所 | Combined reverse osmosis seawater desalination device |
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2019
- 2019-09-25 CN CN201921606503.8U patent/CN210764476U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526340A (en) * | 2019-09-25 | 2019-12-03 | 中国船舶重工集团公司第七一九研究所 | Reverse osmosis seawater desalination system peculiar to vessel |
| CN113526698A (en) * | 2021-06-30 | 2021-10-22 | 中国船舶重工集团公司第七一九研究所 | Combined reverse osmosis seawater desalination device |
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