CN201713351U - Device utilizing LNG cold energy in sea water desalinization - Google Patents
Device utilizing LNG cold energy in sea water desalinization Download PDFInfo
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- CN201713351U CN201713351U CN2010201231621U CN201020123162U CN201713351U CN 201713351 U CN201713351 U CN 201713351U CN 2010201231621 U CN2010201231621 U CN 2010201231621U CN 201020123162 U CN201020123162 U CN 201020123162U CN 201713351 U CN201713351 U CN 201713351U
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- cold energy
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- sea water
- water desalinating
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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 utility model relates to a device utilizing LNG (liquefied natural gas) cold energy in sea water desalinization. The device comprises an LNG cold energy regulation subsystem and a sea water desalinization device system in parallel or series connection, wherein the LNG cold energy regulation subsystem comprises a cold energy supply and storage system and an output refrigerant circulation system, and includes an energy storage tank, an energy storage medium, a heat exchanger, a shield pump, a circulation pipeline and a cold energy utilization device; and the sea water desalinization device system comprises a cold energy input system and a sea water desalinization device, and includes a transducing tank, a heat exchanger, a shield pump, a circulation pipeline, a sea water desalinization device, etc. A connecting pipeline, a tee and a hand-operated valve are arranged between the LNG cold energy regulation subsystem and the sea water desalinization device system, so that all parts can be connected in a detachable manner to perform production or experiments. The utility model provides an effective device for the rational use of the LNG cold energy in sea water desalinization; and the utilization of the LNG cold energy can shift the peak to load the valley in the production, so that the utilization efficiency is improved.
Description
[technical field]
The utility model relates to the new energy use technology field, specifically, is a kind of device that utilizes cold energy of liquefied natural gas in desalting process, to improve the utilising efficiency of cold energy, to reach the purpose of utilizing new forms of energy to make Freshwater resources.
[background technology]
Now, lack of water is a worldwide 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, also obtain fresh water by the use sea water desalinating plant on some island and seagoing vessel.
Sea water desaltination has two kinds of methods usually: a kind of is distillation method, is by moisture evaporation is stayed salt, is the process of liquid fresh water again with water vapor condensation; Another kind is a 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 change in (liquefaction) of natural gas liquids to have a large amount of cold energy in the process of gasification air feed and discharge, and this cold energy is available, has made good use of and can save a large amount of energy in city.
Effectively utilizing cold energy of liquefied natural gas in desalting process is that we are studying always.Because the gasification of natural gas liquids load fluctuates at any time, cause to come by the cold energy that minimum amount of vaporization produced at present the scale of design for seawater desalting plant, to guarantee that sea water desalting equipment continues operation stably, therefore, at present equipment is small, neither be very high to the efficient of the utilization of cold energy of liquefied natural gas.
[utility model content]
The purpose of this utility model 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, be provided at a kind of device that utilizes cold energy of liquefied natural gas in the desalting process, lay the first stone for utilizing cold energy of liquefied natural gas to make Freshwater resources on a large scale.
For achieving the above object, the technical scheme taked of the utility model is:
In desalting process, utilize a kind of device of cold energy of liquefied natural gas, constituted by 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 case, energy-accumulating medium, interchanger, circulation line and cold energy use device, in the energy storage case, be provided with natural gas liquids interchanger, output refrigerant heat exchanger and nonmetallic phase change energy-storage material, constitute 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 tank inlet pipeline, output refrigerant heat exchanger, output refrigerant energy storage case export pipeline, first canned-motor pump, output refrigerant cold energy use device portal pipeline, cold energy use device, the cold energy use device, output refrigerant cold energy use device export pipeline constitutes 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, constitute the cold energy input system by natural gas liquids entrance pipe, natural gas liquids interchanger and natural gas liquids export pipeline; Constitute 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 first between the output refrigerant energy storage case export pipeline and first canned-motor pump and insert threeway, between output refrigerant cold energy use device export pipeline and output refrigerant energy storage tank inlet pipeline, be provided with second and insert threeway.
In described sea water desalinating plant system, be provided with the 3rd between output refrigerant transducing case export pipeline and the output refrigerant sea water desalinating plant entrance pipe and insert threeway, be provided with the 4th access threeway at the secondary shielding pump between the refrigerant transducing tank inlet pipeline with exporting.
In described cold energy of liquefied natural gas regulon system, be provided with cold energy use device cold energy metering medium in the cold energy use 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 first manual valve, sea water desalinating plant system; First of cold energy of liquefied natural gas regulon system inserts threeway and is communicated with the 4th access threeway of sea water desalinating plant system by pipeline; Second of cold energy of liquefied natural gas regulon system inserts threeway and is communicated with the 3rd access threeway of sea water desalinating plant system by pipeline.
The setting of connecting with described sea water desalinating plant system of described cold energy of liquefied natural gas regulon system, 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; First of cold energy of liquefied natural gas regulon system inserts threeway and is communicated with the 4th access threeway of sea water desalinating plant system by pipeline; Second of cold energy of liquefied natural gas regulon system inserts threeway and is communicated with the 3rd access threeway of sea water desalinating plant system by pipeline.
Insert in first of cold energy of liquefied natural gas regulon system on the connecting pipe of threeway and the 4th access threeway of sea water desalinating plant system and be provided with the 5th manual valve.
Insert in second of cold energy of liquefied natural gas regulon system on the connecting pipe of threeway and the 3rd access threeway of sea water desalinating plant system and be provided with the 7th manual valve.
Working process of the present utility model is:
Natural gas liquids from the natural gas liquids station enters the energy storage case from ingress pipe, the cold storage of utilizing energy storage case and energy-accumulating medium that LNG gasifaction is produced, when the output refrigerant absorbs cold energy and after lowering the temperature in the energy storage case, density increases, even become liquid state by gaseous state, cold output refrigerant just flows downward, and by the power of first canned-motor pump, enters cold energy use device or sea water desalinating plant; Cold energy use device or sea water desalinating plant are after having utilized cold energy, and refrigerant changes gas again into by liquid state, and the output refrigerant of higher temperatures just upwards flows, and reenters the energy storage case, form the recycle of cold energy.
In whole device, provide cold energy by the liquefied natural gas gasifying process: ingress pipe imports the energy storage 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 energy storage 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 gasiform (or even liquid) flows out the energy storage case from output refrigerant energy storage case export pipeline, enter cold energy use device or sea water desalinating plant from output refrigerant cold energy use device portal pipeline, after cold energy is utilized, the output refrigerant of higher temperatures enters the energy storage case again through output refrigerant cold energy use device export pipeline, draw cold energy, enter cold energy use device or sea water desalinating plant again, thereby realize the recycle of cold energy.
The utility model utilizes the positively effect of a kind of device of cold energy of liquefied natural gas to be in desalting process:
(1) provides a kind of effective device for the gasification cold energy that in sea water desaltination, rationally utilizes natural gas liquids.
(2) be provided with two independently the cold storage recycle system and output coolant circulating system can be effectively, have branchs to have to produce (or test) with closing; In described tandem plan, the liquefied natural gas gasifying cold energy that sea water desalinating plant fails to make full use of is stored, and discharges when treating the cold energy of liquefied natural gas deficiency to be used again, and can prolong the production time of sea water desalinating plant.
(3) the utility model to the utilization energy peak load shifting of liquefied natural gas gasifying cold energy, improves utilising efficiency aborning.
[description of drawings]
Accompanying drawing 1 is the structural representation of cold energy of liquefied natural gas regulon of the present utility model system;
Accompanying drawing 2 is the structural representation of sea water desalinating plant of the present utility model system;
Accompanying drawing 3 is the structural representation that cold energy of liquefied natural gas regulon system of the present utility model 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 of the present utility model system connects with the sea water desalinating plant system and is provided with;
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 case, 13, energy storage case shell,
14, lagging material, 15, energy storage case 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 tank inlet pipeline,
110, output refrigerant heat exchanger, 111, output refrigerant energy storage case export pipeline,
112, first insert threeway, 113, output refrigerant cold energy use device portal pipeline,
114, cold energy use device, 115, cold energy use device cold energy metering medium,
116, output refrigerant heat exchanger in the cold energy use device,
117, output refrigerant cold energy use device export pipeline,
118, second insert threeway, 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 insert 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 inserts threeway;
3, natural gas liquids, 31, first manual valve,
32, 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 utility model utilizes a kind of device of cold energy of liquefied natural gas in desalting process embodiment below in conjunction with accompanying drawing, 2 specific embodiments are provided, still, enforcement of the present utility model is not limited to following embodiment.
In desalting process, utilize a kind of device of cold energy of liquefied natural gas, constituted by 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 is provided with natural gas liquids interchanger 16, output refrigerant heat exchanger 110 and nonmetallic phase change energy-storage material 18 in energy storage case 12, constitute the cold storage recycle system and output coolant circulating system by them.
The rear end that the front end of the natural gas liquids interchanger 16 in the energy storage case 12 connects natural gas liquids entrance pipe 11, natural gas liquids interchanger 16 is connected with natural gas liquids export pipeline 17, constitutes the cold storage recycle system.
The output coolant circulating system is made of output refrigerant heat exchanger 116 and output refrigerant cold energy use device export pipeline 117 in output refrigerant energy storage tank inlet pipeline 19, output refrigerant heat exchanger 110, output refrigerant energy storage case export pipeline 111, first canned-motor pump 119, output refrigerant cold energy use device portal pipeline 113, cold energy use device 114, the cold energy use 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 case 12 from natural gas liquids entrance pipe 11, in energy storage case 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 energy storage casees 12.
The output refrigerant enters energy storage case 12 through output refrigerant energy storage tank inlet pipeline 19, the output refrigerant carries out the cold energy exchange by output refrigerant heat exchanger 110 and nonmetallic phase change energy-storage material 18 in energy storage case 12, 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 case export pipeline 111 outflow energy storage casees 12; Under the driving of first canned-motor pump 119, the output refrigerant flows to cold energy use device 114 through output refrigerant cold energy use device portal pipeline 113; The output refrigerant is exported refrigerant heat exchanger 116 and is discharged entrained cold energy in the cold energy use device in cold energy use device 114, absorb heat, the output cold media gas that becomes higher temperatures reenters energy storage case 12 through output refrigerant cold energy use device export pipeline 117, the second access threeway 118, output refrigerant energy storage tank inlet pipeline 19, under the startup of first canned-motor pump 119, so circulation.In total system, provide cold energy by the gasification of natural gas liquids, and the output refrigerant is brought cold energy into cold energy use device 114 and is fully utilized.
The application example of this device: will put into the cold energy use device cold energy metering medium 115 of certain volume in the described cold energy use device 14 (the stainless steel casing by insulation constitutes), can adopt water, as output refrigerant medium, can measure the entrained cold energy of output refrigerant R410 with R410 by the cooling of cold energy use device cold energy metering medium 115.
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, constitute 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 natural gas liquids entrance pipe 21, natural gas liquids interchanger 26 is connected with natural gas liquids export pipeline 27, constitutes 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.
From above introduction to cold energy of liquefied natural gas regulon system 1 and sea water desalinating plant system 2 as can be seen, 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 use device 114, and what sea water desalinating plant system 2 connected is sea water desalinating plant 214.
In the utility model, 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 case 12 is made of energy storage case shell 13 and energy storage case inner bag 15, is filled with the above high density polyurethane foaming thermal-insulating 14 of 100mm in the interlayer that energy storage case shell 13 and energy storage case inner bag 15 constitute.Natural gas liquids interchanger 16,26 that is provided with in energy storage case 12, the transducing case 22 and output refrigerant heat exchanger 110,210 are bronze pan tube structure or finned bronze pan tube; Other body adopts copper tube or aluminum pipe usually.
For utilizing cold energy of liquefied natural gas preferably, between the output refrigerant energy storage case export pipeline 111 and first canned-motor pump 119, be provided with first and insert threeway 112, between output refrigerant cold energy use device export pipeline 117 and output refrigerant energy storage tank inlet pipeline 19, be provided with second and insert threeway 118; Between output refrigerant sea water desalinating plant export pipeline 211 and output refrigerant sea water desalinating plant entrance pipe 213, be provided with the 3rd and insert threeway 212, between secondary shielding pump 218 and output refrigerant transducing tank inlet pipeline 29, be provided with the 4th and insert threeway 219.
Cold energy use device cold energy metering medium 115 is set in cold energy use device 114.
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 use 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 below provide the cold energy of liquefied natural gas regulon system 1 of the utility model utilizes cold energy of liquefied natural gas in desalting process a kind of device to be connected with sea water desalinating plant system 2.
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 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; First of cold energy of liquefied natural gas regulon system 1 inserts threeway 112 and is communicated with the 4th access threeway 219 of sea water desalinating plant system 2 by pipeline and the 5th manual valve 35; Second of cold energy of liquefied natural gas regulon system 1 inserts threeway 118 and 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 shown in the accompanying drawing 31, as long as close the 7th manual valve 37 and the 5th manual valve 35, open first manual valve 31, the cold energy of liquefied natural gas regulon system 1 on the left side just can carry out cold energy of liquefied natural gas separately and regulate; And opening the 9th manual valve 39, the sea water desalinating plant system 2 on the right can also carry out cold method separately and prepare fresh water.
When carrying out cold method with the cold energy that cold energy of liquefied natural gas regulon system 1 stores when preparing fresh water, open first manual valve 31 earlier, 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 first canned-motor pump 119, and open secondary shielding pump 218, the energy storage case 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 case 12 and obtains cold energy through the 4th access threeway 219, the 5th manual valve 35, the first access threeway 112, second manual valve 32 under the driving of secondary shielding pump 218; Advanced again second to insert threeway 118, the 7th manual valve 37 enters sea water desalinating plant 214 and carries out sea water desaltination production.
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;
First of cold energy of liquefied natural gas regulon system 1 inserts threeway 112 and is communicated with the 4th access threeway 219 of sea water desalinating plant system 2 by pipeline and the 5th manual valve 35; Second of cold energy of liquefied natural gas regulon system 1 inserts threeway 118 and 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 shown in the accompanying drawing 42, 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 system, the cold energy of liquefied natural gas regulon system 1 on the left side also is an independently 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 first canned-motor pump 119, open secondary shielding pump 218; Like this, output refrigerant R410 inserts threeway 219, the 5th manual valve 35, first through the 4th and inserts threeway 112, second manual valve 32 and enter energy storage case 12 and obtain the stored cold energy of nonmetallic phase change energy-storage material 18 under the driving of secondary shielding pump 218; And then insert threeway 118, the 7th manual valve 37 through second and enter sea water desalinating plant 214 and carry out cold method and prepare fresh water.That is to say, do the production time that can prolong sea water desalinating plant 214 like this.
Being preferred embodiment of the present utility model only in sum, is not to be used for limiting practical range of the present utility model, and the variation or the modification of all equivalences of doing according to the utility model all should be considered as technology category of the present utility model.
Claims (9)
1. in desalting process, utilize a kind of device of cold energy of liquefied natural gas, it is characterized in that, constituted by cold energy of liquefied natural gas regulon system (1) and sea water desalinating plant system (2);
Described cold energy of liquefied natural gas regulon system (1) contains energy storage case (12), energy-accumulating medium, interchanger, circulation line and cold energy use device (114); In energy storage case (12), be provided with natural gas liquids interchanger (16), output refrigerant heat exchanger (110) and nonmetallic phase change energy-storage material (18); The front end of described natural gas liquids interchanger (16) connects natural gas liquids entrance pipe (11), and the rear end is connected with natural gas liquids export pipeline (17), constitutes the cold storage recycle system; The front end of described output refrigerant heat exchanger (110) is connected with output refrigerant energy storage case export pipeline (111), then by first canned-motor pump (119) output refrigerant heat exchanger (116) conducting in the cold energy use device of output refrigerant cold energy use device portal pipeline (113) and cold energy use device (114), cold energy use device interior output refrigerant heat exchanger (116) is connected with output refrigerant cold energy use device export pipeline (117) to return in the energy storage case (12) by output refrigerant energy storage tank inlet pipeline (19) again and is connected with the rear end of exporting refrigerant heat exchanger (110), constitutes the output coolant circulating system;
Described sea water desalinating plant system (2) contains transducing case (22), interchanger, circulation line and sea water desalinating plant (214), is provided with natural gas liquids interchanger (26), output refrigerant heat exchanger (210) and transducing medium (28) in transducing case (22); The front end of described natural gas liquids interchanger (26) connects natural gas liquids entrance pipe (21), and the rear end is connected with natural gas liquids export pipeline (27), constitutes the cold energy input system; The front end of described output refrigerant heat exchanger (210) is connected with output refrigerant transducing case export pipeline (211), output refrigerant heat exchanger (216) conducting in the sea water desalinating plant of output refrigerant sea water desalinating plant entrance pipe (213) and sea water desalinating plant (214) then, output refrigerant heat exchanger (216) is connected with output refrigerant sea water desalinating plant export pipeline (217) in the sea water desalinating plant, by secondary shielding pump (218), output refrigerant transducing tank inlet pipeline (29) returns in the transducing case (22) again and is connected with the rear end of output refrigerant heat exchanger (210), constitutes the output refrigerant sea water desalinating plant recycle system.
2. a kind of device that in desalting process, utilizes cold energy of liquefied natural gas according to claim 1, it is characterized in that, in described cold energy of liquefied natural gas regulon system (1), be provided with first between output refrigerant energy storage case export pipeline (111) and first canned-motor pump (119) and insert threeway (112), between output refrigerant cold energy use device export pipeline (117) and output refrigerant energy storage tank inlet pipeline (19), be provided with second and insert threeway (118).
3. a kind of device that in desalting process, utilizes cold energy of liquefied natural gas according to claim 1, it is characterized in that, in described sea water desalinating plant system (2), be provided with the 3rd between output refrigerant transducing case export pipeline (211) and the output refrigerant sea water desalinating plant entrance pipe (213) and insert threeway (212), between secondary shielding pump (218) and output refrigerant transducing tank inlet pipeline (29), be provided with the 4th and insert threeway (219).
4. a kind of device that in desalting process, utilizes cold energy of liquefied natural gas according to claim 1, it is characterized in that, in described cold energy of liquefied natural gas regulon system (1), be provided with cold energy use device cold energy metering medium (115) in the cold energy use device (114).
5. a kind of device that utilizes cold energy of liquefied natural gas in desalting process according to claim 1 is characterized in that, is provided with sea water desalinating plant cold energy metering medium (215) in sea water desalinating plant (214).
6. a kind of device that in desalting process, utilizes cold energy of liquefied natural gas according to claim 1, it is characterized in that, described cold energy of liquefied natural gas regulon system (1) and described sea water desalinating plant system (2) are arranged in parallel, and 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 9th manual valve (39) by the natural gas liquids entrance pipe (21) of first manual valve (31), sea water desalinating plant system (2); First of cold energy of liquefied natural gas regulon system (1) inserts threeway (112) and is communicated with the 4th access threeway (219) of sea water desalinating plant system (2) by pipeline; Second of cold energy of liquefied natural gas regulon system (1) inserts threeway (118) and is communicated with the 3rd access threeway (212) of sea water desalinating plant system (2) by pipeline.
7. a kind of device that in desalting process, utilizes cold energy of liquefied natural gas according to claim 1, it is characterized in that, described cold energy of liquefied natural gas regulon system (1) setting of connecting with described sea water desalinating plant system (2), 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); First of cold energy of liquefied natural gas regulon system (1) inserts threeway (112) and is communicated with the 4th access threeway (219) of sea water desalinating plant system (2) by pipeline; Second of cold energy of liquefied natural gas regulon system (1) inserts threeway (118) and is communicated with the 3rd access threeway (212) of sea water desalinating plant system (2) by pipeline.
8. according to claim 6 or the 7 described a kind of devices that in desalting process, utilize cold energy of liquefied natural gas, it is characterized in that, insert on the connecting pipe that threeway (112) and the 4th of sea water desalinating plant system (2) insert threeway (219) in first of cold energy of liquefied natural gas regulon system (1) and be provided with the 5th manual valve (35).
9. according to claim 6 or the 7 described a kind of devices that in desalting process, utilize cold energy of liquefied natural gas, it is characterized in that, insert on the connecting pipe that threeway (118) and the 3rd of sea water desalinating plant system (2) insert threeway (212) in second of cold energy of liquefied natural gas regulon system (1) and be provided with the 7th manual valve (37).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201231621U CN201713351U (en) | 2010-01-29 | 2010-01-29 | Device utilizing LNG cold energy in sea water desalinization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201231621U CN201713351U (en) | 2010-01-29 | 2010-01-29 | Device utilizing LNG cold energy in sea water desalinization |
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| CN201713351U true CN201713351U (en) | 2011-01-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370398A (en) * | 2014-06-26 | 2015-02-25 | 辽宁石油化工大学 | Seawater desalination method and apparatus based on natural gas hydrate technology |
-
2010
- 2010-01-29 CN CN2010201231621U patent/CN201713351U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370398A (en) * | 2014-06-26 | 2015-02-25 | 辽宁石油化工大学 | Seawater desalination method and apparatus based on natural gas hydrate technology |
| CN104370398B (en) * | 2014-06-26 | 2016-01-06 | 辽宁石油化工大学 | A kind of method for desalting seawater based on Natural Gas Hydrate Technology |
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