CN1654342A - Sea water desalting plant processed deep in sea - Google Patents
Sea water desalting plant processed deep in sea Download PDFInfo
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- CN1654342A CN1654342A CNA2004100392396A CN200410039239A CN1654342A CN 1654342 A CN1654342 A CN 1654342A CN A2004100392396 A CNA2004100392396 A CN A2004100392396A CN 200410039239 A CN200410039239 A CN 200410039239A CN 1654342 A CN1654342 A CN 1654342A
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- pressure
- resistant seal
- 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
- Y02A20/131—Reverse-osmosis
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Abstract
The present invention is one sea water desalting apparatus to desalt sea water on the natural pressure of sea water. Inside one pressure-resisting sealed apparatus, there are reverse osmosis device, pre-treater, sea water circulating pump, desalted water conveying pump, etc. The pressure-resisting sealed apparatus is set below sea level in the depth with sea water pressure higher than osmotic pressure of sea water, so that the pressure of sea water is utilized to produce desalted water on the permeated liquid side of the reverse osmosis device, the desalted water conveying pump pumps the desalted water to sea surface and the sea water circulating pump updates the sea water inside the apparatus.
Description
Technical field:
The present invention relates to a kind of device that carries out sea water desaltination in the seawater depths.
Background technology:
The semi-permeable membranes that does not allow ion to see through with only allowing water molecules to see through separates salt solution and fresh water, and then fresh water can see through film and be seeped into brine side, reach balance after, the salt solution liquid level of brine side is higher than the fresh water liquid level of dilute side.The pressure reduction that this liquid level difference forms is called osmotic pressure.When the brine side pressurization surpasses osmotic pressure, water molecules can see through semi-permeable membranes from brine side, and this phenomenon is called reverse osmosis.
All reverse osmosis units all are with high-pressure pump brinepump to be arrived reverse osmosis membrane assembly at present, make water see through film with high pressure, make fresh water, will expend a lot of energy like this.
Summary of the invention:
The present invention is put into the seawater depths that pressure that seawater causes is higher than osmotic pressure to reverse osmosis membrane equipment, thereby the water naturally osmotic is crossed semi-permeable membranes.With water-circulating pump the seawater in the membrane module is brought in constant renewal in, with pump the fresh water that penetrates is pumped, this method can be saved energy, is suitable for making on a large scale fresh water.
Description of drawings:
Fig. 1 is a pressure type circulating seawer depths sea water desalinating plant
Fig. 2 is a suction formula circulating seawer depths sea water desalinating plant
Fig. 3 is two circulating seawer depths sea water desalinating plants
Embodiment:
The present invention realizes as follows:
In the seawater depths that surpasses osmotic pressure, place fixing or packaged type pressure-resistant seal device as following 400 meters, sea, as undersea boat, pressure-resistant seal storehouse or build withstand voltage buildings etc. in the seabed.In the pressure-resistant seal device reverse osmosis equipment is housed, an on high-tension side mouth of reverse osmosis equipment connects pretreating device, pretreating device comprises security personnel's strainer, and ultrafiltration apparatus, before pretreating device, connect sea water circulating pump, outlet of circulating pump connects pretreating device, inlet stretches out the pressure-resistant seal device and is tightly connected with the pressure-resistant seal device or the inlet of sea water circulating pump connects pretreating device, outlet connects an on high-tension side mouth of reverse osmosis equipment, and another interface of pretreating device stretches out the pressure-resistant seal device and is tightly connected with the pressure-resistant seal device.On high-tension side another mouthful of reverse osmosis equipment stretches out the pressure-resistant seal device and is tightly connected with the pressure-resistant seal device.Reverse osmosis equipment see through the inlet that the liquid outlet connects transferpump, carry pump outlet to stretch out the pressure-resistant seal device and be tightly connected with the pressure-resistant seal device and expose the sea.
Recycle pump also can not be contained in the interface of the reverse osmosis equipment that pretreating device is housed, and the inlet of pump is contained in another interface of reverse osmosis equipment, and pump outlet stretches out the pressure-resistant seal device and is tightly connected with the sealing pressure-resistant apparatus.
Describe below in conjunction with embodiment.
Embodiment 1
As shown in Figure 1
Pressure-resistant seal device [1] is positioned over following hundreds of rice, sea [8].Reverse osmosis equipment [2] is housed in the pressure-resistant seal device [1], an one high-tension side interface [3] connects pretreating device [6], comprise ultra-filtration equipment and security personnel's strainer in the pretreating device [6], the outlet of another termination recycle pump [9] of pretreating device, the inlet of recycle pump [10] reach outside the pressure-resistant seal device and with the pressure-resistant seal device and are tightly connected.On high-tension side another interface [4] of reverse osmosis unit [2] reaches outside the pressure-resistant seal device and with pressure-resistant seal device [1] and is tightly connected.The liquid outlet [5] that sees through of reverse osmosis unit [2] connects water tank [12], and water tank [11] connects the inlet of transferpump [7], and the sea is stretched out in the outlet of transferpump [6], and is tightly connected with the pressure-resistant seal jar.Seawater pumps into pretreatment unit [6] by recycle pump [9], is entered the high-tension side of reverse osmosis unit [2] and is discharged the pressure-resistant seal device by the outlet [4] of reverse osmosis unit [2] by the inlet [3] of reverse osmosis unit [2].In this process, because the pressure of seawater surpasses osmotic pressure, fresh water sees through reverse osmosis membrane and flows into water tank [11], sends the sea by transferpump [7].Between each parts, all can add valve.
As shown in Figure 2.
The inlet of sea water circulating pump [10] is connect the outlet [4] of reverse osmosis unit [2], and it is outer and be tightly connected with pressure-resistant seal device [1] that the outlet of sea water circulating pump reaches the pressure-resistant seal device.Between each parts, all can add valve.Open all valves, start sea water circulating pump [9].Seawater is through the inlet [3] of valve [12], pretreating device [6], reverse osmosis unit [2], the reverse osmosis membrane of flowing through, outlet [4], sea water circulating pump [9], valve [13] by reverse osmosis unit [2] flow out pressure-resistant seal device [1], the fresh water that sees through film is sent the sea through valve [14], water tank [11], valve [15] by transferpump [7].
As shown in Figure 3
Reverse osmosis equipment [18], ultrafiltration apparatus [19], sea water circulating pump [20], fresh water Send out pump [21] etc. are housed in the pressure-resistant seal device [17].The inlet of sea water circulating pump [20] connects valve [24], and the other end of valve [24] is joined two pipes together and stretched out pressure-resistant seal device [17], and is tightly connected with pressure-resistant seal device [17].The outlet of sea water circulating pump [20] connects security personnel's strainer [23], a stoste communication port [30] of another termination ultrafiltration apparatus [19] of security personnel's strainers [23], another stoste communication port [31] of ultrafiltration apparatus [19] connects valve [25], and the other end of valve [25] is joined two pipes together and stretched out pressure-resistant seal container [17] and be tightly connected with pressure-resistant seal container [17].The liquid spout [32] that sees through of ultrafiltration apparatus [19] connects valve [27], a high-tension side interface [33] of another termination reverse osmosis equipment of valve [27], another high-tension side interface of reverse osmosis equipment connects valve [26], and the other end of valve [26] is joined two pipes together and stretched out pressure-resistant seal container [17] and be tightly connected with pressure-resistant seal container [17].The liquid spout [36] that sees through of reverse osmosis equipment connects valve [28], another termination receiver [22] of valve [28], another interface of receiver [22] connects valve [29], the inlet of another termination fresh water Send out pump [21] of valve [29], the outlet of fresh water Send out pump [21] connects valve [35], the other end of valve [35] is joined two pipes together and is stretched out pressure-resistant seal container [17] and expose the sea, and is tightly connected with pressure-resistant seal container [17].
All valves are all opened.Start sea water circulating pump [20], seawater is through valve [24], pump [20], security personnel's strainer [23], enter ultrafiltration apparatus feed liquid communication port [30], through the film surface, a part sees through film, a part is flowed out by another feed liquid communication port [31] of ultrafiltration apparatus, discharges pressure-resistant seal device [17] through valve [25].The liquid that sees through of ultrafiltration apparatus sees through the high-tension side interface [33] that liquid mouth [32], valve [27] flow into reverse osmosis equipment through ultrafiltration apparatus, a part sees through reverse osmosis membrane, and another part flows out pressure-resistant seal device [17] through another high-tension side interface [34], the valve [26] of reverse osmosis equipment.Start fresh water transfer pump [21], the liquid that sees through of reverse osmosis equipment being transported to more than the sea through see through the liquid spout [36], valve [28], receiver [22], valve [29], fresh water transfer pump [21], valve [35] of reverse osmosis equipment.
Claims (5)
1, a kind of sea water desalinating plant is characterized in that reverse osmosis membrane equipment is put into the seawater depths that pressure that seawater causes is higher than osmotic pressure, with sea water circulating pump the seawater in the membrane module is brought in constant renewal in, and the fresh water that penetrates with the pump handle pumps.
2, sea water desalinating plant by claim 1 regulation, it is characterized in that in the seawater depths that surpasses osmotic pressure, place fixing or packaged type pressure-resistant seal device, as undersea boat, pressure-resistant seal storehouse or build withstand voltage buildings etc. in the seabed, in the pressure-resistant seal device reverse osmosis equipment is housed, an on high-tension side mouth of reverse osmosis equipment connects pretreating device, pretreating device comprises security personnel's strainer, and ultrafiltration apparatus, before pretreating device, connect sea water circulating pump, outlet of circulating pump connects pretreating device, inlet stretches out the pressure-resistant seal device and is tightly connected with the pressure-resistant seal device or the inlet of sea water circulating pump connects pretreating device, and outlet connects an on high-tension side mouth of reverse osmosis equipment, and another interface of pretreating device stretches out the pressure-resistant seal device and is tightly connected with the pressure-resistant seal device.On high-tension side another mouthful of reverse osmosis equipment stretches out the pressure-resistant seal device and is tightly connected with the pressure-resistant seal device, the liquid that sees through of reverse osmosis equipment exports the inlet that connects transferpump, carry pump outlet to stretch out the pressure-resistant seal device and be tightly connected with the pressure-resistant seal device and expose the sea, recycle pump also can not be contained in the interface of the reverse osmosis equipment that pretreating device is housed, and the inlet of pump is contained in another interface of reverse osmosis equipment, pump outlet stretches out the pressure-resistant seal device and is tightly connected with the sealing pressure-resistant apparatus.
3, by claim 1, the sea water desalinating plant of 2 regulations, it is characterized in that being equipped with in the pressure-resistant seal device [1] reverse osmosis equipment [2], an one high-tension side interface [3] connects pretreating device [6], comprise ultra-filtration equipment and security personnel's strainer in the pretreating device [6], the outlet of another termination recycle pump [9] of pretreating device, the inlet of recycle pump [10] reaches outside the pressure-resistant seal device and with the pressure-resistant seal device and is tightly connected, on high-tension side another interface [4] of reverse osmosis unit [2] reaches outside the pressure-resistant seal device and with pressure-resistant seal device [1] and is tightly connected, the liquid outlet [5] that sees through of reverse osmosis unit [2] connects water tank [12], water tank [11] connects the inlet of transferpump [7], the sea is stretched out in the outlet of transferpump [6], and be tightly connected with the pressure-resistant seal jar, between each parts, all can add valve.
4, by claim 1,2,3 sea water desalinating plants of stipulating, it is characterized in that the inlet [10] sea water circulating pump connects the outlet [4] of reverse osmosis unit [2], the outlet of sea water circulating pump reaches outside the pressure-resistant seal device and with pressure-resistant seal device [1] and is tightly connected, and all can add valve between each parts.
5, by claim 1, the sea water desalinating plant of 2 regulations, it is characterized in that being equipped with in the pressure-resistant seal device [17] reverse osmosis equipment [18], ultrafiltration apparatus [19], sea water circulating pump [20], fresh water Send out pump [21] etc., the inlet of sea water circulating pump [20] connects valve [24], the other end of valve [24] is joined two pipes together and is stretched out pressure-resistant seal device [17], and be tightly connected with pressure-resistant seal device [17], the outlet of sea water circulating pump [20] connects security personnel's strainer [23], a stoste communication port [30] of another termination ultrafiltration apparatus [19] of security personnel's strainers [23], another stoste communication port [31] of ultrafiltration apparatus [19] connects valve [25], the other end of valve [25] is joined two pipes together and is stretched out pressure-resistant seal container [17] and be tightly connected with pressure-resistant seal container [17], the liquid spout [32] that sees through of ultrafiltration apparatus [19] connects valve [27], a high-tension side interface [33] of another termination reverse osmosis equipment of valve [27], another high-tension side interface of reverse osmosis equipment connects valve [26], the other end of valve [26] is joined two pipes together and is stretched out pressure-resistant seal container [17] and be tightly connected with pressure-resistant seal container [17], the liquid spout [36] that sees through of reverse osmosis equipment connects valve [28], another termination receiver [22] of valve [28], another interface of receiver [22] connects valve [29], the inlet of another termination fresh water Send out pump [21] of valve [29], the outlet of fresh water Send out pump [21] connects valve [35], the other end of valve [35] is joined two pipes together and is stretched out pressure-resistant seal container [17] and expose the sea, and is tightly connected with pressure-resistant seal container [17].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100392396A CN1654342A (en) | 2004-02-09 | 2004-02-09 | Sea water desalting plant processed deep in sea |
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| CNA2004100392396A CN1654342A (en) | 2004-02-09 | 2004-02-09 | Sea water desalting plant processed deep in sea |
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| CN1654342A true CN1654342A (en) | 2005-08-17 |
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| CNA2004100392396A Pending CN1654342A (en) | 2004-02-09 | 2004-02-09 | Sea water desalting plant processed deep in sea |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626982B (en) * | 2007-02-14 | 2013-05-29 | Dxv水科技公司 | Depth exposed membrane for water extraction |
| US8685252B2 (en) | 2010-02-04 | 2014-04-01 | Dxv Water Technologies, Llc | Water treatment systems and methods |
| CN104229936A (en) * | 2013-06-20 | 2014-12-24 | 张玉宝 | Reverse osmosis seawater desalination device with low energy consumption and reverse osmosis seawater desalination method using same |
| CN105217735A (en) * | 2015-11-11 | 2016-01-06 | 杜善骥 | Submersible type concentrated seawater self refresh reverse osmosis desalination device |
| US10513446B2 (en) | 2014-10-10 | 2019-12-24 | EcoDesal, LLC | Depth exposed membrane for water extraction |
| CN113044921A (en) * | 2019-12-29 | 2021-06-29 | 广州易能克科技有限公司 | Dual-purpose seawater desalination device for deep water and shallow water |
-
2004
- 2004-02-09 CN CNA2004100392396A patent/CN1654342A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626982B (en) * | 2007-02-14 | 2013-05-29 | Dxv水科技公司 | Depth exposed membrane for water extraction |
| US8685252B2 (en) | 2010-02-04 | 2014-04-01 | Dxv Water Technologies, Llc | Water treatment systems and methods |
| US8999162B2 (en) | 2010-02-04 | 2015-04-07 | Econopure Water Systems, Llc | Water treatment systems and methods |
| CN104229936A (en) * | 2013-06-20 | 2014-12-24 | 张玉宝 | Reverse osmosis seawater desalination device with low energy consumption and reverse osmosis seawater desalination method using same |
| CN104229936B (en) * | 2013-06-20 | 2017-04-12 | 张玉宝 | Low-energy-consumption reverse osmosis seawater desalination and mineralization device |
| US10513446B2 (en) | 2014-10-10 | 2019-12-24 | EcoDesal, LLC | Depth exposed membrane for water extraction |
| CN105217735A (en) * | 2015-11-11 | 2016-01-06 | 杜善骥 | Submersible type concentrated seawater self refresh reverse osmosis desalination device |
| CN113044921A (en) * | 2019-12-29 | 2021-06-29 | 广州易能克科技有限公司 | Dual-purpose seawater desalination device for deep water and shallow water |
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