CN102139932B - Test device for desalinating seawater by utilizing liquefied natural gas cold energy - Google Patents
Test device for desalinating seawater by utilizing liquefied natural gas cold energy Download PDFInfo
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- CN102139932B CN102139932B CN2010101165215A CN201010116521A CN102139932B CN 102139932 B CN102139932 B CN 102139932B CN 2010101165215 A CN2010101165215 A CN 2010101165215A CN 201010116521 A CN201010116521 A CN 201010116521A CN 102139932 B CN102139932 B CN 102139932B
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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
Abstract
The invention discloses a test device for desalinating seawater by utilizing liquefied natural gas cold energy. The test device is formed by parallel connection or series connection of a liquefied natural gas cold energy regulation subsystem and a seawater desalination device system, wherein the liquefied natural gas cold energy regulation subsystem is composed of a cold energy supplying and storing system and an output coolant circulation system and comprises an energy storage box, an energy storage medium, a heat exchanger, a shield pump, a circulation pipeline and an cold energy utilization device; the seawater desalination device system is composed of a cold energy input system and a seawater desalination device and comprises a transduction pipe, a heat exchanger, a shield pump, a circulation pipeline, a seawater desalination device and the like; and a connection pipeline, a tee joint and a manual valve are arranged between the two systems, so that various parts can test or produce separately and in combination and various stimulated or practical parameters are obtained. The effective test device is provided for desalinating the seawater by reliably utilizing the liquefied natural gas cold energy; and the device can be used for practicable production, peak clipping and trough filling can be realized through using the liquefied natural gas cold energy, and utilization efficiency is improved.
Description
[technical field]
The present invention relates to the new energy use technology field, specifically, is a kind of testing apparatus that has proposed how to utilize cold energy of liquefied natural gas in desalting process, to improve the utilising efficiency of cold energy, reaches the effect that utilizes new forms of energy.
[background technology]
Now, lack of water is a global problem, and in the protection Freshwater resources, the mankind are also utilizing seawater, obtain fresh water from seawater, i.e. sea water desaltination.It is to utilize seawater is carried out desalination and obtains fresh water.Sea water desaltination mainly is in order to supply drinking water and agricultural water, on some island and seagoing vessel also by obtaining fresh water with sea water desalinating plant.
Sea water desaltination has two kinds of methods usually: a kind of is distillation method, is by the moisture evaporation is stayed salt, is the process of liquid fresh water again with water vapor condensation; Another kind is cold method, is by making seawater icing, when liquid fresh water becomes solid-state ice, salt being separated away.These two kinds of methods all need to consume the great energy, and therefore, cost is very high.This also is the major cause that desalination technology is difficult to promote.
On the other hand, Sweet natural gas is one of main combustion gas of using in the city now.Carry and turn in the process of gasification air feed in (liquefaction) of natural gas liquids to have a large amount of cold energy and discharge, and this cold energy is available, has made good use of and can save a large amount of energy in city.
It is exactly that we are studying that the cold energy that produces in natural gas liquids conveying and the gasification is used for sea water desaltination.
Because the gasification of natural gas liquids load fluctuates at any time, causes can only coming by the cold energy that minimum amount of vaporization produces at present the scale of design for seawater desalting plant, continue stably operation to guarantee sea water desalting equipment.Therefore, not very high to the efficient of the utilization of cold energy of liquefied natural gas.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, the cold energy and the sea water desaltination that produce in the liquefied natural gas gasifying process are combined, a kind of testing apparatus that how to utilize cold energy of liquefied natural gas in desalting process is provided, lays the first stone for large-scale developing and utilizing cold energy of liquefied natural gas.
For achieving the above object, the technical scheme taked of the present invention is:
A kind of testing apparatus that utilizes cold energy of liquefied natural gas to carry out sea water desaltination is made of cold energy of liquefied natural gas regulon system and sea water desalinating plant system;
Described cold energy of liquefied natural gas regulon system contains energy-storage box, energy-accumulating medium, interchanger, circulation line and cold energy utilization device, in energy-storage box, be provided with natural gas liquids interchanger, output refrigerant heat exchanger and nonmetallic phase change energy-storage material, consist of cold energy supply and stocking system by natural gas liquids entrance pipe, natural gas liquids interchanger and natural gas liquids export pipeline; By export refrigerant heat exchanger in output refrigerant energy-storage box entrance pipe, output refrigerant heat exchanger, output refrigerant energy-storage box export pipeline, the first canned-motor pump, output refrigerant cold energy utilization device entrance pipe, cold energy utilization device, the cold energy utilization device, output refrigerant cold energy utilization device export pipeline consists of the output coolant circulating system;
Described sea water desalinating plant system contains transducing case, interchanger, circulation line and sea water desalinating plant, in the transducing case, be provided with natural gas liquids interchanger, output refrigerant heat exchanger and transducing medium, consist of the cold energy input system by natural gas liquids entrance pipe, natural gas liquids interchanger and natural gas liquids export pipeline; Consist of the output refrigerant sea water desalinating plant recycle system by exporting refrigerant heat exchanger, output refrigerant sea water desalinating plant export pipeline, secondary shielding pump in output refrigerant transducing tank inlet pipeline, output refrigerant heat exchanger, output refrigerant transducing case export pipeline, output refrigerant sea water desalinating plant entrance pipe, sea water desalinating plant, the sea water desalinating plant.
In described cold energy of liquefied natural gas regulon system, be provided with the first access threeway between output refrigerant energy-storage box export pipeline and the first canned-motor pump, between output refrigerant cold energy utilization device export pipeline and output refrigerant energy-storage box entrance pipe, be provided with the second access threeway.
In described sea water desalinating plant system, be provided with the 3rd access threeway between output refrigerant transducing case export pipeline and the output refrigerant sea water desalinating plant entrance pipe, be provided with the 4th between the refrigerant transducing tank inlet pipeline and access threeway with exporting at the secondary shielding pump.
In described cold energy of liquefied natural gas regulon system, be provided with cold energy utilization device cold energy metering medium in the cold energy utilization device.
In sea water desalinating plant, be provided with sea water desalinating plant cold energy metering medium.
Described cold energy of liquefied natural gas regulon system and described sea water desalinating plant system are arranged in parallel, and the natural gas liquids export pipeline of cold energy of liquefied natural gas regulon system is communicated with natural gas liquids by the 9th manual valve by the natural gas liquids entrance pipe of the first manual valve, sea water desalinating plant system; The first access threeway of cold energy of liquefied natural gas regulon system is communicated with the 4th access threeway of sea water desalinating plant system by pipeline; The second access threeway of cold energy of liquefied natural gas regulon system is communicated with the 3rd access threeway of sea water desalinating plant system by pipeline.
Described cold energy of liquefied natural gas regulon system and described sea water desalinating plant Cascade System arrange, the natural gas liquids export pipeline of sea water desalinating plant system is communicated with natural gas liquids, and the natural gas liquids export pipeline of cold energy of liquefied natural gas regulon system is connected with the natural gas liquids entrance pipe of sea water desalinating plant system; The first access threeway of cold energy of liquefied natural gas regulon system is communicated with the 4th access threeway of sea water desalinating plant system by pipeline; The second access threeway of cold energy of liquefied natural gas regulon system is communicated with the 3rd access threeway of sea water desalinating plant system by pipeline.
Be provided with the 5th manual valve in the first access threeway of cold energy of liquefied natural gas regulon system and the 4th connecting pipe that accesses threeway of sea water desalinating plant system.
Be provided with the 7th manual valve in the second access threeway of cold energy of liquefied natural gas regulon system and the 3rd connecting pipe that accesses threeway of sea water desalinating plant system.
Working process of the present invention is:
Natural gas liquids from liquefied natural gas station enters the accumulation of energy case from ingress pipe, the cold storage of utilizing accumulation of energy case and accumulation of energy medium that LNG gasifaction is produced, when the output refrigerant absorbs cold energy and after lowering the temperature in the accumulation of energy case, density increases, even become liquid state by gaseous state, cold output refrigerant just flows downward, and by the power of the first canned-motor pump, enters cold energy utilization device or sea water desalinating plant; Cold energy utilization device or sea water desalinating plant are after having utilized cold energy, and refrigerant changes again gas into by liquid state, and the output refrigerant of higher temperatures just upwards flows, and reenters the accumulation of energy case, form the recycle of cold energy.
In whole device, provide cold energy by the liquefied natural gas gasifying process: ingress pipe imports the accumulation of energy case with liquefied gas, fully gasification in the natural gas liquids interchanger, the cold energy that produces is stored by the nonmetallic phase change energy-storage material in the accumulation of energy case, and the Sweet natural gas after the gasification is derived (outwards supply) by delivery line; Be responsible for carrying out the recycle of cold energy by the output coolant circulating system: the cold output refrigerant of (or even liquid) of gaseous state flows out the accumulation of energy case from output refrigerant energy-storage box export pipeline, enter cold energy utilization device or sea water desalinating plant from output refrigerant cold energy utilization device entrance pipe, after cold energy is utilized, the output refrigerant of higher temperatures enters the accumulation of energy case again through output refrigerant cold energy utilization device export pipeline, draw cold energy, enter again cold energy utilization device or sea water desalinating plant, thereby realize the recycle of cold energy.
Positively effect of the present invention is:
(1) provides a kind of effective testing apparatus for the gasification cold energy that in sea water desaltination, rationally utilizes natural gas liquids;
(2) arrange two independently the cold storage recycle system and output coolant circulating system can be effectively, have minute to have and carry out multiple test with closing; In described scheme in parallel, sea water desalinating plant can be distinguished independent operating with storage cold energy testing apparatus, can test respectively the feasibility with demo plant, obtains the various parameters of simulation actual production process;
In described tandem plan, the liquefied natural gas gasifying cold energy that sea water desalinating plant fails to take full advantage of is stored, discharge again when treating the cold energy of liquefied natural gas deficiency and be used, prolong the production time of sea water desalinating plant, can provide foundation for later starting of actual production equipment.
(3) device of the present invention also can be used for actual production, and the utilization energy peak load shifting to the liquefied natural gas gasifying cold energy improves utilising efficiency.
[description of drawings]
Accompanying drawing 1 is the structural representation of cold energy of liquefied natural gas regulon of the present invention system;
Accompanying drawing 2 is the structural representation of sea water desalinating plant of the present invention system;
Accompanying drawing 3 is the structural representation that cold energy of liquefied natural gas regulon system of the present invention and sea water desalinating plant system are arranged in parallel;
Accompanying drawing 4 is the structural representation that cold energy of liquefied natural gas regulon system of the present invention and sea water desalinating plant Cascade System arrange;
Label among the figure is respectively:
1, cold energy of liquefied natural gas regulon system, 11, the natural gas liquids entrance pipe,
12, energy-storage box, 13, the energy-storage box shell,
14, lagging material, 15, the energy-storage box inner bag,
16, natural gas liquids interchanger, 17, the natural gas liquids export pipeline,
18, nonmetallic phase change energy-storage material, 19, output refrigerant energy-storage box entrance pipe,
110, output refrigerant heat exchanger, 111, output refrigerant energy-storage box export pipeline,
112, the first access threeway, 113, output refrigerant cold energy utilization device entrance pipe,
114, cold energy utilization device, 115, cold energy utilization device cold energy metering medium,
116, output refrigerant heat exchanger in the cold energy utilization device,
117, output refrigerant cold energy utilization device export pipeline,
118, the second access threeway, the 119, first canned-motor pump;
2, sea water desalinating plant system, 21, the natural gas liquids entrance pipe,
22, transducing case, 23, transducing case shell,
24, lagging material, 25, transducing case inner bag,
26, natural gas liquids interchanger, 27, the natural gas liquids export pipeline,
28, transducing medium, 29, output refrigerant transducing tank inlet pipeline,
210, output refrigerant heat exchanger, 211, output refrigerant transducing case export pipeline,
212, the 3rd access threeway, 213, output refrigerant sea water desalinating plant entrance pipe,
214, sea water desalinating plant, 215, sea water desalinating plant cold energy metering medium,
216, output refrigerant heat exchanger in the sea water desalinating plant,
217, output refrigerant sea water desalinating plant inner chamber export pipeline,
218, secondary shielding pump, the 219, the 4th access threeway;
3, natural gas liquids, the 31, first manual valve,
32, the second manual valve, the 33, the 3rd manual valve,
34, the 4th manual valve, the 35, the 5th manual valve,
36, the 6th manual valve, the 37, the 7th manual valve,
38, the 8th manual valve, the 39, the 9th manual valve;
4, natural gas liquids.
[embodiment]
Provide the present invention below in conjunction with accompanying drawing and utilize cold energy of liquefied natural gas to carry out the embodiment of the testing apparatus of sea water desaltination, 2 specific embodiments are provided, still, enforcement of the present invention is not limited to following embodiment.
A kind of testing apparatus that utilizes cold energy of liquefied natural gas to carry out sea water desaltination is made of cold energy of liquefied natural gas regulon system 1 and sea water desalinating plant system 2.(referring to accompanying drawing 1) described cold energy of liquefied natural gas regulon system 1 consists of the cold storage recycle system and output coolant circulating system at energy-storage box 12 interior natural gas liquids interchanger 16, output refrigerant heat exchanger 110 and the nonmetallic phase change energy-storage materials 18 of arranging by them.
The rear end that the front end of the natural gas liquids interchanger 16 in the energy-storage box 12 connects liquefaction gas inlet pipeline 11, natural gas liquids interchanger 16 is connected with natural gas liquids export pipeline 17, consists of the cold storage recycle system.
The output coolant circulating system is made of output refrigerant heat exchanger 116 and output refrigerant cold energy utilization device export pipeline 117 in output refrigerant energy-storage box entrance pipe 19, output refrigerant heat exchanger 110, output refrigerant energy-storage box export pipeline 111, the first canned-motor pump 119, output refrigerant cold energy utilization device entrance pipe 113, cold energy utilization device 114, the cold energy utilization device.
The working process of the cold energy of liquefied natural gas regulon system 1 shown in the accompanying drawing 1 is:
Natural gas liquids flows into energy-storage box 12 from natural gas liquids entrance pipe 11, in energy-storage box 12, carry out the cold energy exchange by natural gas liquids interchanger 16 and nonmetallic phase change energy-storage material 18, absorb the energy of nonmetallic phase change energy-storage material 18 and the vaporization that heats up, again through natural gas liquids export pipeline 17 outflow accumulation of energy casees 12.
The output refrigerant enters energy-storage box 12 through output refrigerant energy-storage box entrance pipe 19, carry out the cold energy exchange at energy-storage box 12 interior output refrigerants by output refrigerant heat exchanger 110 and nonmetallic phase change energy-storage material 18, absorb the cold energy of nonmetallic phase change energy-storage material 18 and the liquefaction of lowering the temperature, again through output refrigerant energy-storage box export pipeline 111 outflow energy-storage boxes 12; Under the driving of the first canned-motor pump 119, the output refrigerant flows to cold energy utilization device 114 through output refrigerant cold energy utilization device entrance pipe 113; The output refrigerant discharges entrained cold energy at the cold energy utilization device 114 interior refrigerant heat exchangers 116 of exporting in cold energy utilization device, absorbing heat, the output cold media gas that becomes higher temperatures reenters energy-storage box 12 through output refrigerant cold energy utilization device export pipeline 117, the second access threeway 118, output refrigerant energy-storage box entrance pipe 19, under the startup of the first canned-motor pump 119, so circulation.In whole system, provide cold energy by the gasification of natural gas liquids, and the output refrigerant is brought cold energy into cold energy utilization device 114 and is fully utilized.
The application example of this device: will put into the cold energy utilization device cold energy metering medium 115 of certain volume in the described cold energy utilization device 14 (the stainless steel casing by insulation consists of), can adopt water, as the output coolant media, can measure output refrigerant R410 entrained cold energy by the cooling of cold energy utilization device cold energy metering medium 115 with R410.
Described sea water desalinating plant system 2 (referring to accompanying drawings 2) are provided with natural gas liquids interchanger 26, output refrigerant heat exchanger 210 and transducing medium 28 in transducing case 22, consist of cold energy input system and output coolant circulating system by them.
The rear end that the front end of the natural gas liquids interchanger 26 in the transducing case 22 connects liquefaction gas inlet pipeline 21, natural gas liquids interchanger 26 is connected with natural gas liquids export pipeline 27, consists of the cold energy input system.
The output coolant circulating system is made of output refrigerant heat exchanger 216, output refrigerant sea water desalinating plant export pipeline 217 and secondary shielding pump 218 in output refrigerant transducing tank inlet pipeline 29, output refrigerant heat exchanger 210, output refrigerant transducing case export pipeline 211, output refrigerant sea water desalinating plant entrance pipe 213, sea water desalinating plant 214, the sea water desalinating plant.
Can find out from above introduction to cold energy of liquefied natural gas regulon system 1 and sea water desalinating plant system 2, this is two relatively independent systems, their the cold storage recycle system almost is the same, what their key distinction was 1 connection of cold energy of liquefied natural gas regulon system is cold energy utilization device 114, and what sea water desalinating plant system 2 connected is sea water desalinating plant 214.
In the present invention, the input refrigerant adopts natural gas liquids, and its atmospheric boiling point is-163 ℃; The output refrigerant adopts the R410 medium, and its liquid vaporization transformation temperature under normal pressure is about-53 ℃.Energy-storage box 12 is made of energy-storage box shell 13 and energy-storage box inner bag 15, is filled with the above high density polyurethane foaming thermal-insulating 14 of 100mm in the interlayer that energy-storage box shell 13 and energy-storage box inner bag 15 consist of.The natural gas liquids interchanger 16 of energy-storage box 12, the 22 interior settings of transducing case, 26 and output refrigerant heat exchanger 110,210 be bronze pan tube structure or finned bronze pan tube; Other body adopts copper tube or aluminum pipe usually.
For utilizing preferably cold energy of liquefied natural gas, between output refrigerant energy-storage box export pipeline 111 and the first canned-motor pump 119, the first access threeway 112 is set, between output refrigerant cold energy utilization device export pipeline 117 and output refrigerant energy-storage box entrance pipe 19, the second access threeway 118 is set; Between output refrigerant sea water desalinating plant export pipeline 211 and output refrigerant sea water desalinating plant entrance pipe 213, the 3rd access threeway 212 is set, between secondary shielding pump 218 and output refrigerant transducing tank inlet pipeline 29, the 4th access threeway 219 is set.
At the cold energy utilization device 114 interior cold energy utilization device cold energy metering media 115 that arrange.
The key distinction of the working process of the working process of the sea water desalinating plant system 2 shown in the accompanying drawing 2 and the cold energy of liquefied natural gas regulon system 1 shown in the accompanying drawing 1 is, cold energy utilization device 14 in the cold energy of liquefied natural gas regulon system 1 has made sea water desalinating plant 214 in sea water desalinating plant system 2, it utilizes purposes clearer and more definite to cold energy, but they are the same to the mode of utilizing of cold energy.
Two embodiment that the cold energy of liquefied natural gas regulon system 1 that below provides the present invention to utilize cold energy of liquefied natural gas to carry out the testing apparatus of sea water desaltination is connected with sea water desalinating plant system 2.
Embodiment 1
Cold energy of liquefied natural gas regulon system 1 and sea water desalinating plant system 2 are arranged in parallel
Referring to accompanying drawing 3.Cold energy of liquefied natural gas regulon system 1 is arranged on the left side, sea water desalinating plant system 2 is set up in parallel on the right, the natural gas liquids export pipeline 17 of cold energy of liquefied natural gas regulon system 1 is communicated with natural gas liquids 3 by the first manual valve 31, and the natural gas liquids entrance pipe 21 of sea water desalinating plant system 2 is communicated with natural gas liquids 3 by the 9th manual valve 39; The first access threeway 112 of cold energy of liquefied natural gas regulon system 1 is communicated with the 4th access threeway 219 of sea water desalinating plant system 2 by pipeline and the 5th manual valve 35; The second access threeway 118 of cold energy of liquefied natural gas regulon system 1 is communicated with the 3rd access threeway 212 of sea water desalinating plant system 2 by pipeline and the 7th manual valve 37.
In the embodiment 1 shown in the accompanying drawing 3, as long as close the 7th manual valve 37 and the 5th manual valve 35, open the first manual valve 31, the cold energy of liquefied natural gas regulon system 1 on the left side just can carry out separately cold energy of liquefied natural gas and regulate experiment; And opening the 9th manual valve 39, the sea water desalinating plant system 2 on the right can also carry out separately cold method and prepare the fresh water experiment.
When carrying out with the cold energy that cold energy of liquefied natural gas regulon system 1 stores cold method when preparing fresh water, open first the first manual valve 31, close the 3rd manual valve 33 and the 4th manual valve 34; Open the 7th manual valve 37 and the 5th manual valve 35, close the 6th manual valve 36 and the 8th manual valve 38, and close the first canned-motor pump 119, and open secondary shielding pump 218, the energy-storage box 12 that natural gas liquids just enters the left side gasifies and discharges cold energy by 18 energy storage of nonmetallic phase change energy-storage material.R410 enters energy-storage box 12 and obtains cold energy through the 4th access threeway 219, the 5th manual valve 35, the first access threeway 112, the second manual valve 32 under the driving of secondary shielding pump 218; Advancing the second access threeway 118, the 7th manual valve 37 enters sea water desalinating plant 214 and carries out the sea water desaltination experiment again.
In this process, when the liquefied natural gas gasifying cold energy prepared the required cold energy of fresh water greater than cold method, nonmetallic phase change energy-storage material 18 will get up unnecessary cold storage.When the liquefied natural gas gasifying cold energy prepares the required cold energy of fresh water less than cold method, nonmetallic phase change energy-storage material 18 will discharge stored cold energy, thereby the liquefied natural gas gasifying cold energy is played the effect of peak load shifting, keep the stably manufactured that cold method prepares fresh water.
Cold energy of liquefied natural gas regulon system 1 setting of connecting with sea water desalinating plant system 2
Referring to accompanying drawing 4.Cold energy of liquefied natural gas regulon system 1 is arranged on the left side, sea water desalinating plant system 2 is set up in parallel on the right, the natural gas liquids export pipeline 27 of sea water desalinating plant system 2 is communicated with natural gas liquids 4, and the natural gas liquids export pipeline 17 of cold energy of liquefied natural gas regulon system 1 is connected with the natural gas liquids entrance pipe 21 of sea water desalinating plant system 2;
The first access threeway 112 of cold energy of liquefied natural gas regulon system 1 is communicated with the 4th access threeway 219 of sea water desalinating plant system 2 by pipeline and the 5th manual valve 35; The second access threeway 118 of cold energy of liquefied natural gas regulon system 1 is communicated with the 3rd access threeway 212 of sea water desalinating plant system 2 by pipeline and the 7th manual valve 37.
In the embodiment 2 shown in the accompanying drawing 4, close the 7th manual valve 37 and the 5th manual valve 35, this moment, the sea water desalinating plant system 2 on the right was an independently experimental system, the cold energy of liquefied natural gas regulon system 1 on the left side also is an independently experimental system, just the cold energy of liquefied natural gas regulon system 1 used cold energy of this moment is that the cold energy that the sea water desalinating plant system 2 by the right does not discharge fully provides, with be " tail gas liquid " cold energy of sea water desalinating plant system 2 natural gas liquids, its role is to the cold storage that sea water desalinating plant system 2 can be failed to utilize, and with cold energy of liquefied natural gas regulon system 1 its usefulness of test on the left side.
In addition, in embodiment 2, when the natural gas liquids stop supplies, can close the 3rd manual valve 33 and the 4th manual valve 34, open the 7th manual valve 37 and the 5th manual valve 35, close the 6th manual valve 36 and the 8th manual valve 38, close the first canned-motor pump 119, open secondary shielding pump 218; Like this, output refrigerant R410 enters energy-storage box 12 through the 4th access threeway 219, the 5th manual valve 35, the first access threeway 112, the second manual valve 32 and obtains the stored cold energy of nonmetallic phase change energy-storage material 18 under the driving of secondary shielding pump 218; And then enter sea water desalinating plant 214 through the second access threeway 118, the 7th manual valve 37 and carry out cold method and prepare the fresh water experiment.That is to say, do like this experiment or the production time that can prolong sea water desalinating plant 214.
Being preferred embodiment of the present invention only in sum, is not to limit practical range of the present invention, and variation or the modification of all equivalences of doing according to the present invention all should be considered as technology category of the present invention.
Claims (3)
1. a testing apparatus that utilizes cold energy of liquefied natural gas to carry out sea water desaltination is made of cold energy of liquefied natural gas regulon system and sea water desalinating plant system; Described cold energy of liquefied natural gas regulon system contains energy-storage box, energy-accumulating medium, interchanger, circulation line and cold energy utilization device, in energy-storage box, be provided with natural gas liquids interchanger, output refrigerant heat exchanger and nonmetallic phase change energy-storage material, consist of cold energy supply and stocking system by natural gas liquids entrance pipe, natural gas liquids interchanger and natural gas liquids export pipeline; By export refrigerant heat exchanger in output refrigerant energy-storage box entrance pipe, output refrigerant heat exchanger, output refrigerant energy-storage box export pipeline, the first canned-motor pump, output refrigerant cold energy utilization device entrance pipe, cold energy utilization device, the cold energy utilization device, output refrigerant cold energy utilization device export pipeline consists of the output coolant circulating system; Described sea water desalinating plant system contains transducing case, interchanger, circulation line and sea water desalinating plant, in the transducing case, be provided with natural gas liquids interchanger, output refrigerant heat exchanger and transducing medium, consist of the cold energy input system by natural gas liquids entrance pipe, natural gas liquids interchanger and natural gas liquids export pipeline; Consist of the output refrigerant sea water desalinating plant recycle system by exporting refrigerant heat exchanger, output refrigerant sea water desalinating plant export pipeline, secondary shielding pump in output refrigerant transducing tank inlet pipeline, output refrigerant heat exchanger, output refrigerant transducing case export pipeline, output refrigerant sea water desalinating plant entrance pipe, sea water desalinating plant, the sea water desalinating plant; It is characterized in that, described cold energy of liquefied natural gas regulon system and described sea water desalinating plant system are arranged in parallel, and the natural gas liquids export pipeline of cold energy of liquefied natural gas regulon system is communicated with natural gas liquids by the 9th manual valve by the natural gas liquids entrance pipe of the first manual valve, sea water desalinating plant system; The first access threeway of cold energy of liquefied natural gas regulon system is communicated with the 4th access threeway of sea water desalinating plant system by pipeline; The second access threeway of cold energy of liquefied natural gas regulon system is communicated with the 3rd access threeway of sea water desalinating plant system by pipeline.
2. the testing apparatus that utilizes cold energy of liquefied natural gas to carry out sea water desaltination according to claim 1, it is characterized in that, be provided with the 5th manual valve in the first access threeway of cold energy of liquefied natural gas regulon system and the 4th connecting pipe that accesses threeway of sea water desalinating plant system.
3. the testing apparatus that utilizes cold energy of liquefied natural gas to carry out sea water desaltination according to claim 1, it is characterized in that, be provided with the 7th manual valve in the second access threeway of cold energy of liquefied natural gas regulon system and the 3rd connecting pipe that accesses threeway of sea water desalinating plant system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101165215A CN102139932B (en) | 2010-01-29 | 2010-01-29 | Test device for desalinating seawater by utilizing liquefied natural gas cold energy |
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| CN2010101165215A CN102139932B (en) | 2010-01-29 | 2010-01-29 | Test device for desalinating seawater by utilizing liquefied natural gas cold energy |
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| CN201210228617XA Division CN102815760B (en) | 2010-01-29 | 2010-01-29 | Testing apparatus for seawater desalination by utilization of liquefied natural gas cold energy |
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