CN205188002U - Lifeboat sea water desalination device - Google Patents
Lifeboat sea water desalination device Download PDFInfo
- Publication number
- CN205188002U CN205188002U CN201520765637.XU CN201520765637U CN205188002U CN 205188002 U CN205188002 U CN 205188002U CN 201520765637 U CN201520765637 U CN 201520765637U CN 205188002 U CN205188002 U CN 205188002U
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- CN
- China
- Prior art keywords
- water
- reverse osmosis
- osmosis equipment
- sea water
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a lifeboat sea water desalination device, the device contain the setting at inside filter, force (forcing) pump and the reverse osmosis equipment of lifeboat, filter, force (forcing) pump and reverse osmosis equipment connect gradually through the pipeline. The device still contain with the water tank of filter through the pipe connection. The water tank sets up at the lifeboat top, the inside sea water that is equipped with of water tank, the sea water filters the physics nature impurity in the fresh sea water through action of gravity spontaneous current to filter, gets into reverse osmosis equipment through the force (forcing) pump again. The force (forcing) pump is hand formula high -pressure pump, can be with the sea water reentrant reverse osmosis equipment about 6MPa that pressurizes. Reverse osmosis equipment contains shell, pellicle, pure water cavity and salt solution cavity. The utility model provides a lifeboat sea water desalination device, simple structure, convenient operation makes ship person can obtain more fresh water of drinking when fleing for one's life.
Description
Technical field
The utility model relates to a kind of sea water desalinating plant, particularly, relates to the sea water desalinating plant of a kind of survival craft or liferaft.
Background technology
Oceangoing vessel, by the requirement of SOLAS pact, is equipped with the survival craft for every man jack life-saving, and has on ship for everyone fresh water of totally 3 kilograms of rated crew member.But this is just to the minimum requirements that fresh water is equipped with.It is most of that because the perils of the sea occurs boats and ships, wrecked crewman causes owing to lacking enough fresh water, food and suffering from cold.Need to provide food and domestic fresh water to improve survival rate as much as possible for this reason.Except storing except fresh water at ordinary times, preferably can be equipped with manual simplified sea water desalting equipment on survival craft, with the drinking-water requirement of satisfied all ship persons more.
Utility model content
The purpose of this utility model is to provide a kind of sea water desalting equipment for oceangoing vessel survival craft or liferaft, makes ship person can obtain more domestic fresh water when escaping, thus meets the fresh water requirement that they sustain life minimum, improves the chance of being rescued.
In order to achieve the above object, the utility model provides a kind of survival craft sea water desalinating plant, and wherein, this device comprises the strainer, force (forcing) pump and the reverse osmosis equipment that are arranged on survival craft inside; Described strainer, force (forcing) pump and reverse osmosis equipment are connected successively by pipeline.Described pipeline is preferably flexible pipe.
Above-mentioned survival craft sea water desalinating plant, wherein, described device also comprises the water tank be connected by pipeline with strainer.
Above-mentioned survival craft sea water desalinating plant, wherein, described water tank is arranged on survival craft top; Seawater is equipped with in described water tank inside, and seawater flow to strainer naturally through action of gravity, filters out the physical property impurity in fresh seawater, then enters reverse osmosis equipment through force (forcing) pump.
Above-mentioned survival craft sea water desalinating plant, wherein, described force (forcing) pump is shaking high-pressure pump.
Above-mentioned survival craft sea water desalinating plant, wherein, seawater can be pressurized to about 6MPa and enter reverse osmosis equipment again by described shaking high-pressure pump.
Above-mentioned survival craft sea water desalinating plant, wherein, described reverse osmosis equipment comprises shell, semi-permeable membranes, pure water chamber and salt water chamber.
Above-mentioned survival craft sea water desalinating plant, wherein, described semi-permeable membranes is inclined at the enclosure of reverse osmosis equipment, by the salt water chamber of the pure water chamber and bottom that are divided into top in reverse osmosis equipment.
Above-mentioned survival craft sea water desalinating plant, wherein, the seawater entered in salt water chamber can be separated into pure water and strong brine by semi-permeable membranes by described reverse osmosis equipment under pressure, and pure water enters pure water chamber, and strong brine is deposited in salt water chamber.
Above-mentioned survival craft sea water desalinating plant, wherein, the top of described reverse osmosis equipment is provided with water outlet, and bottom is provided with brine outlet, and side is also respectively equipped with seawater inlet and backwashing water entrance.
Above-mentioned survival craft sea water desalinating plant, wherein, described water outlet and backwashing water entrance respectively with pure water chamber, described brine outlet and seawater inlet respectively with salt solution chamber, brine outlet is also connected to discharge pipe outward, liquid can be discharged survival craft to marine.The pure water chamber that portion of pure water in seawater enters upside through semi-permeable membranes forms fresh water, flow to water outlet via flexible pipe, and the seawater of dense salinity to be then blocked on the downside of semi-permeable membranes and to be drained into abroad by brine outlet.If make because of long term operation semi-permeable membranes surface, seawater side dirty, the pressure reduction before and after semi-permeable membranes can be made to increase, affect water production rate.When pressure reduction is greater than 0.3MPa, available fresh water access backwashing water entrance, use shaking high-pressure pump and carry out back flushing, the water after flushing is also put to abroad through brine outlet and discharge pipe.
The survival craft sea water desalinating plant that the utility model provides has the following advantages:
Because this device survival craft when escaping answers precipitate labor water to use, therefore whole system adopts full manual designs, without the need to external source.Structure is simple, easy to operate, makes ship person can obtain more domestic fresh water when escaping, thus meets the fresh water requirement that they sustain life minimum, improves the chance of being rescued.
Accompanying drawing explanation
Fig. 1 is the structural representation of survival craft sea water desalinating plant of the present utility model.
Fig. 2 is infiltration and counter-infiltration schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As shown in Figure 1, the survival craft sea water desalinating plant that the utility model provides, comprises the strainer 2, force (forcing) pump 3 and the reverse osmosis equipment 4 that are arranged on survival craft inside; Strainer 2, force (forcing) pump 3 and reverse osmosis equipment 4 are connected successively by pipeline.Pipeline is preferably flexible pipe.Because this device survival craft when escaping answers precipitate labor water to use, therefore whole system adopts full manual designs, without the need to external source.
This device also comprises the water tank 1 be connected by pipeline with strainer 2.Water tank 1 is arranged on survival craft top; Seawater is equipped with in water tank 1 inside, and seawater flow to strainer 2 naturally through action of gravity, filters out the physical property impurity in fresh seawater, then enters reverse osmosis equipment 4 through force (forcing) pump 3.
Force (forcing) pump 3 is shaking high-pressure pump, seawater can be pressurized to about 6MPa and enter reverse osmosis equipment 4 again.
Reverse osmosis equipment 4 comprises shell 5, semi-permeable membranes 6, pure water chamber 7 and salt water chamber 8.
The shell 5 that semi-permeable membranes 6 is inclined at reverse osmosis equipment 4 is inner, by the salt water chamber 8 of the pure water chamber 7 and bottom that are divided into top in reverse osmosis equipment 4.
The seawater entered in salt water chamber 8 can be separated into pure water and strong brine by semi-permeable membranes 6 by reverse osmosis equipment 4 under pressure, and pure water enters pure water chamber 7, and strong brine is deposited in salt water chamber 8.
The top of reverse osmosis equipment 4 is provided with water outlet 9, and bottom is provided with brine outlet 10, and side is also respectively equipped with seawater inlet 11 and backwashing water entrance 12.
Water outlet 9 is communicated with pure water chamber 7 respectively with backwashing water entrance 12, and brine outlet 10 is communicated with salt water chamber 8 respectively with seawater inlet 11, and brine outlet 10 is outer is also connected to discharge pipe, liquid can be discharged survival craft to marine.The pure water chamber 7 that portion of pure water in seawater enters upside through semi-permeable membranes 6 forms fresh water, flow to water outlet 9 via flexible pipe, and the seawater of dense salinity to be then blocked on the downside of semi-permeable membranes 6 and to be drained into abroad by brine outlet 10.If make because of long term operation semi-permeable membranes 6 surface, seawater side dirty, the pressure reduction before and after semi-permeable membranes 6 can be made to increase, affect water production rate.When pressure reduction is greater than 0.3MPa, available fresh water access backwashing water entrance 12, use shaking high-pressure pump and carry out back flushing, the water after flushing is also put to abroad through brine outlet 10 and discharge pipe.
Semi-permeable membranes 6 is extensively present in a kind of permselectivity membrane on nature animal and plant body organ.Strictly speaking, be can only can not through the film of solute through solvent (being often referred to water).The semi-permeable membranes more than 6 of industrial application is the polymeric articles of Polymer Synthesizing.Shown in Figure 2.When solvent and solution (or solution of two kinds of different concns) are placed in the both sides of semi-permeable membranes 6 respectively, solvent will spontaneously move to solution (or from low concentration solution to highly concentrated solution) effluent through semi-permeable membranes 6, and this phenomenon is infiltration.If solvent is pure water in said process, solute is salinity, when they being separated with desirable semi-permeable membranes 6, pure water side spontaneously can flow into brine side through semi-permeable membranes 6, this process as shown in Figure 2 a pure water side water flow into brine side, the liquid level of brine side rises, when rising to a certain degree, water is equalled zero by the net discharge of canal of film, and now this process reaches balance, the pressure corresponding in this liquid level difference is called osmotic pressure, as Fig. 2 b.When applying one in the brine side of semi-permeable membranes 6 and being greater than the pressure of osmotic pressure, the flowing of water will reverse, and the water now in salt solution will flow into pure water side, and this phenomenon is called reverse osmosis, and this process as shown in Figure 2 c.
Reverse osmosis is the reverse locomotory movement of one of infiltration, a kind of under pressure-driven, by means of the separation method that the solute in solution and solvent separate by the selective retention effect of semi-permeable membranes 6, it has been widely used in the purification of various liquid with concentrated, wherein the most general application example is in water technology, with reverse osmosis technology by Impurity removals such as the mineral ion in former water, bacterium, virus, organism and colloids, to obtain high-quality pure water.
The working process of the survival craft sea water desalinating plant that the utility model provides is: water tank 1 is positioned at survival craft top, and the fresh seawater in it flow to strainer 2 naturally through action of gravity, filters out the physical property impurity in fresh seawater.Cross the fresh seawater after filter and send into force (forcing) pump 3, force (forcing) pump 3 is shaking high-pressure pump, through hand by seawater boost to about 6MPa after, high pressure sea water is pumped to reverse osmosis equipment 4, the pure water chamber 7 that portion of pure water in seawater enters upside through semi-permeable membranes 6 forms fresh water, flow to water outlet 9 via flexible pipe, the seawater of dense salinity to be then blocked on the downside of semi-permeable membranes 6 and to be drained into abroad by brine outlet 10.If make because of long term operation semi-permeable membranes 6 surface, seawater side dirty, the pressure reduction before and after semi-permeable membranes 6 can be made to increase, affect water production rate.When pressure reduction is greater than 0.3MPa, available fresh water access backwashing water entrance 12, use shaking high-pressure pump and carry out back flushing, the water after flushing is also put to abroad through brine outlet 10 and discharge pipe.
The principal element affecting water producing machine performance in the survival craft sea water desalinating plant that the utility model provides is as follows:
1, before semi-permeable membranes 6 pressure on the impact of water producing machine performance.
Before semi-permeable membranes 6, pressure raises and water production rate can be made to strengthen, but when pressure exceedes certain value, salt transit dose can be caused to increase, counteract the water production rate of increase, and too high pressure may cause the breakage of film simultaneously.
2, inflow temperature is on the impact on water producing machine performance.
Along with the increase that the increase water of water temperature is also linear to flux, water inlet water temperature often raises 1 DEG C, and water production rate promotes about 2.5%-3.0% (with 25 DEG C for benchmark).
3, pH value is intake on the impact of water producing machine performance.
The pH value of water inlet has considerable influence to ratio of desalinization, and pH value is between 7.5-8.5, and ratio of desalinization reaches the highest.
4, salt concn of intaking is on the impact of water producing machine performance.
Water inlet saltiness is higher, and concentration difference is also larger, and desalination rate rises, thus causes ratio of desalinization to decline.
The survival craft sea water desalinating plant that the utility model provides, can make boat's crew can obtain more domestic fresh water when escaping.Fresh seawater can be sent into shaking high-pressure pump by this device after physical property frit, and be pressurized to about 6MPa rear send hand for seawater into reverse osmosis equipment 4, portion of pure water in seawater forms fresh water through semi-permeable membranes 6, flow to water outlet 9 through flexible pipe, the seawater of dense salinity is then blocked in the opposite side of semi-permeable membranes 6 and is discharged.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (6)
1. a survival craft sea water desalinating plant, is characterized in that, this device comprises the strainer (2), force (forcing) pump (3) and the reverse osmosis equipment (4) that are arranged on survival craft inside; Described strainer (2), force (forcing) pump (3) and reverse osmosis equipment (4) are connected successively by pipeline; Described device also comprises the water tank (1) be connected by pipeline with strainer (2); Described water tank (1) is arranged on survival craft top; Seawater is equipped with in described water tank (1) inside; Described reverse osmosis equipment (4) comprises shell (5), semi-permeable membranes (6), pure water chamber (7) and salt water chamber (8); The shell (5) that described semi-permeable membranes (6) is inclined at reverse osmosis equipment (4) is inner, by the salt water chamber (8) of the pure water chamber (7) and bottom that are divided into top in reverse osmosis equipment (4).
2. survival craft sea water desalinating plant as claimed in claim 1, it is characterized in that, described force (forcing) pump (3) is shaking high-pressure pump.
3. survival craft sea water desalinating plant as claimed in claim 2, it is characterized in that, seawater can be pressurized to 6MPa by described shaking high-pressure pump.
4. survival craft sea water desalinating plant as claimed in claim 1, it is characterized in that, described reverse osmosis equipment (4) can pass through semi-permeable membranes (6) under pressure and the seawater entered in salt water chamber (8) is separated into pure water and strong brine, pure water enters pure water chamber (7), and strong brine is deposited in salt water chamber (8).
5. survival craft sea water desalinating plant as claimed in claim 4, it is characterized in that, the top of described reverse osmosis equipment (4) is provided with water outlet (9), and bottom is provided with brine outlet (10), and side is also respectively equipped with seawater inlet (11) and backwashing water entrance (12).
6. survival craft sea water desalinating plant as claimed in claim 5, it is characterized in that, described water outlet (9) is communicated with pure water chamber (7) respectively with backwashing water entrance (12), described brine outlet (10) is communicated with salt water chamber (8) respectively with seawater inlet (11), and described brine outlet (10) is also connected to discharge pipe outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765637.XU CN205188002U (en) | 2015-09-30 | 2015-09-30 | Lifeboat sea water desalination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765637.XU CN205188002U (en) | 2015-09-30 | 2015-09-30 | Lifeboat sea water desalination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205188002U true CN205188002U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520765637.XU Expired - Fee Related CN205188002U (en) | 2015-09-30 | 2015-09-30 | Lifeboat sea water desalination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205188002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245604A (en) * | 2016-08-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | A kind of water-retention is hided salt irrigation canals and ditches device |
-
2015
- 2015-09-30 CN CN201520765637.XU patent/CN205188002U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245604A (en) * | 2016-08-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | A kind of water-retention is hided salt irrigation canals and ditches device |
| CN106245604B (en) * | 2016-08-30 | 2019-03-15 | 山东胜伟盐碱地科技有限公司 | A kind of water storage is hided salt irrigation canals and ditches device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20160930 |