CN105461124A - Equipment capable of converting seawater into mineral direct drinking water - Google Patents
Equipment capable of converting seawater into mineral direct drinking water Download PDFInfo
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- CN105461124A CN105461124A CN201410290928.8A CN201410290928A CN105461124A CN 105461124 A CN105461124 A CN 105461124A CN 201410290928 A CN201410290928 A CN 201410290928A CN 105461124 A CN105461124 A CN 105461124A
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- pipeline
- reverse osmosis
- osmosis membrane
- micro
- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention discloses equipment capable of converting seawater into mineral direct drinking water. The equipment comprises a seawater tank, a water supply pump, a sand filter, a first micro-filter, a second micro-filter, a first high-pressure pump, a reverse osmosis membrane assembly, a cleaning tank, a cleaning pump, a third micro-filter, a fresh water tank, a second high-pressure pump, a mineral feeding tank, a precise filter, an ultraviolet sterilization tank and a mineral water tank. According to the present invention, various device mechanisms are subjected to matched utilization to carry out multi-layer filtration on seawater so as to obtain fresh water, and minerals are added to the fresh water to obtain the mineral water capable of being directly drunk, such that the traditional fresh water obtaining way using the distillation method is replaced, the energy consumption of the seawater desalination is effectively reduced, the advantages of energy saving and environmental protection are provided, and the requirements of island residents on water are met.
Description
Technical field
The present invention relates to STP art, refer in particular to a kind of seawater and be converted into mineral substance Potable water equipment.
Background technology
At present, fresh water demand sharply increases, but Freshwater resources are limited, is therefore how the key subjects that the fresh water can drunk for the mankind has become the 21 century mankind by sea water desaltination.
At present, adopt distillation method in sea water desaltination more, low-temperature multiple-effect seawater desalination technology is exactly one wherein, seawater desalination system has advantages such as operating steadily, the low and maintenance operation of noise is convenient, produces both at home and abroad at present and the seawater desalination system that uses all uses employing steam driven, and its maximum shortcoming consumes energy high exactly, be not suitable for islander to use, especially, the fresh water using distillation method gained is at present not mineral water, and what can not meet people uses water requirement.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of seawater and is converted into mineral substance Potable water equipment, its can effectively solve existing existing sea water desalting equipment adopt distillation method to obtain fresh water to there is power consumption high and can not meet the problem of people's use water requirement.
For achieving the above object, the present invention adopts following technical scheme:
A kind of seawater is converted into mineral substance Potable water equipment, includes sea water tank, working shaft, sand-bed filter, the first micro-strainer, the second micro-strainer, the first high-pressure pump, reverse osmosis membrane assembly, cleaning case, scavenging pump, the 3rd micro-strainer, fresh-water tank, the second high-pressure pump, mineral substance input case, accurate filter, ultraviolet-sterilization case and mineral substance water tank.
The input aperture of this working shaft is inner by the first pipeline communication sea water tank.
This sand-bed filter is provided with the combination valve being communicated with sand-bed filter inside, this combination valve connects the delivery port of working shaft by second pipe, and this combination valve connects the inside of the first micro-strainer by the 3rd pipeline.
This first micro-strainer is inner by the 4th pipeline communication second micro-strainer, and this second micro-strainer connects the input aperture of the first high-pressure pump by the 5th pipeline, and the delivery port of this first high-pressure pump connects reverse osmosis membrane assembly by the 6th pipeline.
The water outlet of this reverse osmosis membrane assembly is by the 7th pipeline communication cleaning case, and by the 8th pipeline communication fresh-water tank, the dense water out of this reverse osmosis membrane assembly is by the 9th pipeline communication cleaning case.
The input aperture of this scavenging pump connects cleaning case by the tenth pipeline, and the delivery port of scavenging pump is by the 11 pipeline communication the 3rd micro-strainer, and the delivery port of the 3rd micro-strainer is by the 12 pipeline communication the 6th pipeline.
The input aperture of this second high-pressure pump connects fresh-water tank inside by the 13 pipeline, the delivery port of this second high-pressure pump connects by the 14 pipeline the entrance that mineral substance throws in case, this mineral substance throws in the entrance of the outlet connection accurate filter of case, the outlet of this accurate filter connects the entrance of ultraviolet-sterilization case, and the outlet of this ultraviolet-sterilization case connects mineral substance water tank inside.
Preferably, described first pipeline, second pipe, the 3rd pipeline, the 4th pipeline and the 5th pipeline are 2.5 cun of UPVC pipes.
Preferably, described 6th pipeline is 2 cun of stainless steel tubes.
Preferably, described 7th pipeline and the 8th pipeline are 1.5 cun of UPVC pipes, and the 9th pipeline, the 11 pipeline and the 12 pipeline are 2 cun of UPVC pipes, and the tenth pipeline is 2.5 cun of UPVC pipes.
Preferably, described first micro-strainer and the 3rd micro-strainer are 10 μm of micro-strainers, and this second micro-strainer is 3 μm of micro-strainers.
Preferably, described first high-pressure pump and the second high-pressure pump are high pressure plunger pump.
Preferably, described sea water tank, fresh-water tank and mineral substance water tank are provided with fluid level controller.
Preferably, described first micro-strainer, the second micro-strainer, the 3rd micro-strainer and the 8th pipeline are provided with sampling valve.
Preferably, described reverse osmosis membrane assembly includes the first reverse osmosis membrane pipe, the second reverse osmosis membrane pipe, the 3rd reverse osmosis membrane pipe and the 4th reverse osmosis membrane pipe, the former water inlet of this first reverse osmosis membrane pipe and the former water inlet of the second reverse osmosis membrane pipe are all by hose connection 6th pipeline, dense water out and the dense water out of the second reverse osmosis membrane pipe of this first reverse osmosis membrane pipe are all connected the former water inlet of the 3rd reverse osmosis membrane pipe, the dense water out of the 3rd reverse osmosis membrane pipe connects the former water inlet of the 4th reverse osmosis membrane pipe, the dense water out of the 4th reverse osmosis membrane pipe connects the 9th pipeline, the water outlet of this first reverse osmosis membrane pipe, the water outlet of the second reverse osmosis membrane pipe, water outlet and the water outlet of the 4th reverse osmosis membrane pipe of the 3rd reverse osmosis membrane pipe are all connected the 7th pipeline and the 8th pipeline.
Preferably, described first reverse osmosis membrane pipe, the second reverse osmosis membrane pipe, the 3rd reverse osmosis membrane pipe and the 4th reverse osmosis membrane pipe are provided with the sampling valve of the former water for extracting input.
The present invention compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution.
Above each equipment mechanism is utilized by coordinating, fresh water is obtained after bed filtration is carried out to seawater, then add mineral substance toward fresh water and mineral water capable of direct drinking can be obtained, the distillation method that adopts that instead of tradition obtains the mode of fresh water, effectively reduce the energy consumption of sea water desaltination, energy-conserving and environment-protective more, what also meet islander uses water requirement simultaneously.
For more clearly setting forth constitutional features of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the close-up schematic view of the preferred embodiment of the present invention;
Fig. 3 is another close-up schematic view of the preferred embodiment of the present invention;
Fig. 4 is the control principle structural representation of the preferred embodiment of the present invention.
Accompanying drawing identifier declaration:
11, sea water tank 12, working shaft
13, sand-bed filter 14, first micro-strainer
15, the second micro-strainer 16, first high-pressure pump
17, cleaning case 18, scavenging pump
19, the 3rd micro-strainer 20, reverse osmosis membrane assembly
21, the first reverse osmosis membrane pipe 22, second reverse osmosis membrane pipe
23, the 3rd reverse osmosis membrane pipe 24, the 4th reverse osmosis membrane pipe
31, fresh-water tank 32, second high-pressure pump
33, mineral substance throws in case 34, accurate filter
35, ultraviolet-sterilization case 36, mineral substance water tank
37, combination valve 41, first pipeline
42, second pipe 43, the 3rd pipeline
44, the 4th pipeline 45, the 5th pipeline
46, the 6th pipeline 47, the 7th pipeline
48, the 8th pipeline 49, the 9th pipeline
51, the tenth pipeline the 52, the 11 pipeline
53, the 12 pipeline the 54, the 13 pipeline
55, the 14 pipeline 61, flexible pipe
62, sampling valve 63, sampling valve
64, fluid level controller
Embodiment
Please refer to shown in Fig. 1 to Fig. 4, that show the concrete structure of the preferred embodiment of the present invention, include sea water tank 11, working shaft 12, sand-bed filter 13, first micro-strainer 14, second micro-strainer 15, first high-pressure pump 16, reverse osmosis membrane assembly 20, cleaning case 17, scavenging pump 18, the 3rd micro-strainer 19, fresh-water tank 31, second high-pressure pump 32, mineral substance input case 33, accurate filter 34, ultraviolet-sterilization case 35 and mineral substance water tank 36.
The input aperture of this working shaft 12 is communicated with sea water tank 11 inside by the first pipeline 41, and this sea water tank 11 is for depositing pending seawater, and the rated output of this working shaft 12 is 4.0KW, and rated current is 8.0A.
This sand-bed filter 13 is provided with the combination valve 37 being communicated with sand-bed filter 13 inside, this combination valve 37 connects the delivery port of working shaft 12 by second pipe 42, this combination valve 37 connects the inside of the first micro-strainer 14 by the 3rd pipeline 43.
It is inner that this first micro-strainer 14 is communicated with the second micro-strainer 15 by the 4th pipeline 44, and this second micro-strainer 15 connects the input aperture of the first high-pressure pump 16 by the 5th pipeline 45, and the delivery port of this first high-pressure pump 16 connects reverse osmosis membrane assembly 20 by the 6th pipeline 46.
The water outlet of this reverse osmosis membrane assembly 20 is communicated with cleaning case 17 by the 7th pipeline 47, and is communicated with fresh-water tank 31 by the 8th pipeline 48, and the dense water out of this reverse osmosis membrane assembly 20 is communicated with cleaning case 17 by the 9th pipeline 49, specifically, in the present embodiment, this reverse osmosis membrane assembly 20 includes the first reverse osmosis membrane pipe 21, second reverse osmosis membrane pipe 22, the 3rd reverse osmosis membrane pipe 23 and the 4th reverse osmosis membrane pipe 24, the former water inlet of this first reverse osmosis membrane pipe 21 is all connected the 6th pipeline 46 by a flexible pipe 61 with the former water inlet of the second reverse osmosis membrane pipe 22, dense water out and the dense water out of the second reverse osmosis membrane pipe 22 of this first reverse osmosis membrane pipe 21 are all connected the former water inlet of the 3rd reverse osmosis membrane pipe 23, the dense water out of the 3rd reverse osmosis membrane pipe 23 connects the former water inlet of the 4th reverse osmosis membrane pipe 24, the dense water out of the 4th reverse osmosis membrane pipe 24 connects the 9th pipeline 49, the water outlet of this first reverse osmosis membrane pipe 21, the water outlet of the second reverse osmosis membrane pipe 22, water outlet and the water outlet of the 4th reverse osmosis membrane pipe 24 of the 3rd reverse osmosis membrane pipe 23 are all connected the 7th pipeline 47 and the 8th pipeline 48.And, this first reverse osmosis membrane pipe 21, second reverse osmosis membrane pipe 22, the 3rd reverse osmosis membrane pipe 23 and the 4th reverse osmosis membrane pipe 24 are provided with the sampling valve 62 of the former water for extracting input.
The input aperture of this scavenging pump 18 connects cleaning case 17 by the tenth pipeline 51, and the delivery port of scavenging pump 18 is communicated with the 3rd micro-strainer 19 by the 11 pipeline 52, and the delivery port of the 3rd micro-strainer 19 is communicated with the 6th pipeline 46 by the 12 pipeline 53.
The input aperture of this second high-pressure pump 32 connects fresh-water tank 31 inside by the 13 pipeline 54, the delivery port of this second high-pressure pump 32 connects by the 14 pipeline 55 entrance that mineral substance throws in case 33, this mineral substance throws in three that case 33 is series winding, the quantity that mineral substance throws in case 33 series winding is not limit, this mineral substance throws in the entrance of the outlet connection accurate filter 34 of case 33, accurate filter 34 is two of series winding, the quantity that accurate filter 34 is contacted is not limit, and the concrete structure of each accurate filter 34 is existing mature technology, do not describe in detail at this concrete structure to accurate filter 34, the outlet of this accurate filter 34 connects the entrance of ultraviolet-sterilization case 35, the concrete structure of this ultraviolet-sterilization case 35 is existing mature technology, do not describe in detail at this concrete structure to ultraviolet-sterilization case 35, the outlet of this ultraviolet-sterilization case 35 connects mineral substance water tank 36 inside.
And, in the present embodiment, this first pipeline 41, second pipe 42, the 3rd pipeline 43, the 4th pipeline 44 and the 5th pipeline 45 are 2.5 cun of UPVC pipes, 6th pipeline 46 is 2 cun of stainless steel tubes, 7th pipeline 47 and the 8th pipeline 48 are 1.5 cun of UPVC pipes, 9th pipeline the 49, the 11 pipeline the 52 and the 12 pipeline 53 is 2 cun of UPVC pipes, and the tenth pipeline 51 is 2.5 cun of UPVC pipes.
In addition, this first micro-strainer 14 and the 3rd micro-strainer 19 are 10 μm of micro-strainers, and this second micro-strainer 15 is 3 μm of micro-strainers, and, this first micro-strainer 14, second micro-strainer 15, the 3rd micro-strainer 19 and the 8th pipeline 48 are provided with sampling valve 63.
In addition, this first high-pressure pump 16 and the second high-pressure pump 32 are high pressure plunger pump, and this sea water tank 11, fresh-water tank 31 and mineral substance water tank 36 are provided with fluid level controller 64.
During work, as shown in Figure 4, be control principle drawing of the present invention, the present invention is undertaken automatically controlling to desalinize seawater by this, and combines as shown in Figure 1 to Figure 3, and first seawater is stored in sea water tank 11, then, under the effect of working shaft 12, seawater enters sand-bed filter 13 and carries out the first layer filtration, the material that the various particle of main removal is larger, then, seawater enters in the first micro-strainer 14 and the second micro-strainer 15 successively, carries out the second layer respectively and filters and third layer filtration, mainly remove finely ground particle substance; Then, under the effect of the first high-pressure pump 16, water enters in reverse osmosis membrane assembly 20 and carries out the 4th layer of filtration, water after filtration has been separately formed fresh water and dense water, and fresh water directly enters in fresh-water tank 31, and dense water enters in cleaning case 17, then, dense water enters in the 3rd micro-strainer 19 under the effect of scavenging pump 18, from the 3rd micro-strainer 19 out after, water is back in reverse osmosis membrane assembly 20 and carries out osmosis filtration again.The fresh water of fresh-water tank 31 enters each mineral substance successively and throws in case 33 under the effect of the second high-pressure pump 32, added various mineral substance in water in the past, from mineral substance throw in case 33 out after water enter and complete secondary filter accurate filter 34 after, water enters ultraviolet-sterilization case 35, in ultraviolet-sterilization case 35 water be delivered to after ultraviolet-sterilization in mineral substance water tank 36 with etc. to be used.
Design focal point of the present invention is: utilize above each equipment mechanism by coordinating, fresh water is obtained after bed filtration is carried out to seawater, then add mineral substance toward fresh water and mineral water capable of direct drinking can be obtained, the distillation method that adopts that instead of tradition obtains the mode of fresh water, effectively reduce the energy consumption of sea water desaltination, energy-conserving and environment-protective more, what also meet islander uses water requirement simultaneously.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. seawater is converted into a mineral substance Potable water equipment, it is characterized in that: include sea water tank, working shaft, sand-bed filter, the first micro-strainer, the second micro-strainer, the first high-pressure pump, reverse osmosis membrane assembly, cleaning case, scavenging pump, the 3rd micro-strainer, fresh-water tank, the second high-pressure pump, mineral substance input case, accurate filter, ultraviolet-sterilization case and mineral substance water tank;
The input aperture of this working shaft is inner by the first pipeline communication sea water tank;
This sand-bed filter is provided with the combination valve being communicated with sand-bed filter inside, this combination valve connects the delivery port of working shaft by second pipe, and this combination valve connects the inside of the first micro-strainer by the 3rd pipeline;
This first micro-strainer is inner by the 4th pipeline communication second micro-strainer, and this second micro-strainer connects the input aperture of the first high-pressure pump by the 5th pipeline, and the delivery port of this first high-pressure pump connects reverse osmosis membrane assembly by the 6th pipeline;
The water outlet of this reverse osmosis membrane assembly is by the 7th pipeline communication cleaning case, and by the 8th pipeline communication fresh-water tank, the dense water out of this reverse osmosis membrane assembly is by the 9th pipeline communication cleaning case;
The input aperture of this scavenging pump connects cleaning case by the tenth pipeline, and the delivery port of scavenging pump is by the 11 pipeline communication the 3rd micro-strainer, and the delivery port of the 3rd micro-strainer is by the 12 pipeline communication the 6th pipeline;
The input aperture of this second high-pressure pump connects fresh-water tank inside by the 13 pipeline, the delivery port of this second high-pressure pump connects by the 14 pipeline the entrance that mineral substance throws in case, this mineral substance throws in the entrance of the outlet connection accurate filter of case, the outlet of this accurate filter connects the entrance of ultraviolet-sterilization case, and the outlet of this ultraviolet-sterilization case connects mineral substance water tank inside.
2. seawater as claimed in claim 1 is converted into mineral substance Potable water equipment, it is characterized in that: described first pipeline, second pipe, the 3rd pipeline, the 4th pipeline and the 5th pipeline are 2.5 cun of UPVC pipes.
3. seawater as claimed in claim 1 is converted into mineral substance Potable water equipment, it is characterized in that: described 6th pipeline is 2 cun of stainless steel tubes.
4. seawater as claimed in claim 1 is converted into mineral substance Potable water equipment, it is characterized in that: described 7th pipeline and the 8th pipeline are 1.5 cun of UPVC pipes, 9th pipeline, the 11 pipeline and the 12 pipeline are 2 cun of UPVC pipes, and the tenth pipeline is 2.5 cun of UPVC pipes.
5. seawater as claimed in claim 1 is converted into mineral substance Potable water equipment, and it is characterized in that: described first micro-strainer and the 3rd micro-strainer are 10 μm of micro-strainers, this second micro-strainer is 3 μm of micro-strainers.
6. seawater as claimed in claim 1 is converted into mineral substance Potable water equipment, it is characterized in that: described first high-pressure pump and the second high-pressure pump are high pressure plunger pump.
7. seawater as claimed in claim 1 is converted into mineral substance Potable water equipment, it is characterized in that: described sea water tank, fresh-water tank and mineral substance water tank are provided with fluid level controller.
8. seawater as claimed in claim 1 is converted into mineral substance Potable water equipment, it is characterized in that: described first micro-strainer, the second micro-strainer, the 3rd micro-strainer and the 8th pipeline are provided with sampling valve.
9. seawater as claimed in claim 1 is converted into mineral substance Potable water equipment, it is characterized in that: described reverse osmosis membrane assembly includes the first reverse osmosis membrane pipe, the second reverse osmosis membrane pipe, the 3rd reverse osmosis membrane pipe and the 4th reverse osmosis membrane pipe, the former water inlet of this first reverse osmosis membrane pipe and the former water inlet of the second reverse osmosis membrane pipe are all by hose connection 6th pipeline, dense water out and the dense water out of the second reverse osmosis membrane pipe of this first reverse osmosis membrane pipe are all connected the former water inlet of the 3rd reverse osmosis membrane pipe, the dense water out of the 3rd reverse osmosis membrane pipe connects the former water inlet of the 4th reverse osmosis membrane pipe, the dense water out of the 4th reverse osmosis membrane pipe connects the 9th pipeline, the water outlet of this first reverse osmosis membrane pipe, the water outlet of the second reverse osmosis membrane pipe, water outlet and the water outlet of the 4th reverse osmosis membrane pipe of the 3rd reverse osmosis membrane pipe are all connected the 7th pipeline and the 8th pipeline.
10. seawater as claimed in claim 9 is converted into mineral substance Potable water equipment, it is characterized in that: the sampling valve described first reverse osmosis membrane pipe, the second reverse osmosis membrane pipe, the 3rd reverse osmosis membrane pipe and the 4th reverse osmosis membrane pipe being provided with the former water for extracting input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290928.8A CN105461124A (en) | 2014-08-26 | 2014-08-26 | Equipment capable of converting seawater into mineral direct drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290928.8A CN105461124A (en) | 2014-08-26 | 2014-08-26 | Equipment capable of converting seawater into mineral direct drinking water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105461124A true CN105461124A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410290928.8A Pending CN105461124A (en) | 2014-08-26 | 2014-08-26 | Equipment capable of converting seawater into mineral direct drinking water |
Country Status (1)
| Country | Link |
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| CN (1) | CN105461124A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000279957A (en) * | 1999-03-30 | 2000-10-10 | Toray Eng Co Ltd | Pretreatment and device for raw water fed to reverse osmosis membrane treating device |
| CN2799533Y (en) * | 2005-03-30 | 2006-07-26 | 潍坊新生伟业再生资源利用有限公司 | Sea water desalting apparatus |
| CN101050038A (en) * | 2007-03-29 | 2007-10-10 | 陶韬 | Technique for treating purification in the late stage of seawater desalination |
| CN201713394U (en) * | 2010-06-04 | 2011-01-19 | 李雄春 | Reverse osmosis seawater desalination equipment |
| CN202988903U (en) * | 2012-12-25 | 2013-06-12 | 大连玉源环境工程有限公司 | Small-size seawater desalinator for ocean vessels |
| CN203402982U (en) * | 2013-08-05 | 2014-01-22 | 武汉凯迪水务有限公司 | Container movable type sea water desalting equipment |
-
2014
- 2014-08-26 CN CN201410290928.8A patent/CN105461124A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000279957A (en) * | 1999-03-30 | 2000-10-10 | Toray Eng Co Ltd | Pretreatment and device for raw water fed to reverse osmosis membrane treating device |
| CN2799533Y (en) * | 2005-03-30 | 2006-07-26 | 潍坊新生伟业再生资源利用有限公司 | Sea water desalting apparatus |
| CN101050038A (en) * | 2007-03-29 | 2007-10-10 | 陶韬 | Technique for treating purification in the late stage of seawater desalination |
| CN201713394U (en) * | 2010-06-04 | 2011-01-19 | 李雄春 | Reverse osmosis seawater desalination equipment |
| CN202988903U (en) * | 2012-12-25 | 2013-06-12 | 大连玉源环境工程有限公司 | Small-size seawater desalinator for ocean vessels |
| CN203402982U (en) * | 2013-08-05 | 2014-01-22 | 武汉凯迪水务有限公司 | Container movable type sea water desalting equipment |
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