CN103771551A - Seawater desalination device and seawater desalination system - Google Patents
Seawater desalination device and seawater desalination system Download PDFInfo
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- CN103771551A CN103771551A CN201410035594.XA CN201410035594A CN103771551A CN 103771551 A CN103771551 A CN 103771551A CN 201410035594 A CN201410035594 A CN 201410035594A CN 103771551 A CN103771551 A CN 103771551A
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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 seawater desalination device. The seawater desalination device comprises a first heat exchanger (1), a first circulating unit, a second heat exchanger (2), a second circulating unit and a seawater desalination evaporator (3), wherein the first heat exchanger (1) comprises a waste heat inlet (1a) and a waste heat outlet (1b); the seawater desalination evaporator (3) comprises a seawater inlet (3a), a seawater outlet (3b) and a fresh water steam outlet; the first circulating unit comprises a first heat absorption part and a first heat release part; the first heat absorption part is positioned in the first heat exchanger (1); the first heat release part is positioned in the second heat exchanger (2); the second circulating unit comprises a second heat absorption part and a second heat release part; the second heat absorption part is positioned in the second heat exchanger (2); the second heat release part is positioned in the seawater desalination evaporator (3).
Description
Technical field
The present invention relates to sea water desaltination field, particularly, relate to a kind of sea water desalinating plant and a kind of seawater desalination system.
Background technology
At present, fresh water demand sharply increases, but Freshwater resources are limited, is how therefore the key subjects that the fresh water that can drink for the mankind has become the 21 century mankind by sea water desaltination.
At present, the distillation method that adopt in sea water desaltination more, low-temperature multiple-effect seawater desalination technology is exactly one wherein, seawater desalination system has the advantage such as operate steadily, the low and maintenance operation of noise is convenient, but the seawater desalination system of producing both at home and abroad at present and use all uses employing steam driven, also do not use the seawater desalination system that the used heat such as fume waste heat, chemical reaction used heat and industrial furnace used heat are motivating force, can imagine if seawater is desalinated to the desalinating cost that can greatly reduce seawater using used heat as thermal source; The used heat such as fume waste heat, chemical reaction used heat and industrial furnace used heat have certain corrodibility, therefore, in the time utilizing these used heat as thermal source, need to improve adaptively the sea water desalinating plant in seawater desalination system, the convenience by the working reliability to sea water desalinating plant, Installation Flexibility and maintenance etc. are many-sided to be improved.
Summary of the invention
The object of this invention is to provide a kind of sea water desalinating plant and there is the low temperature seawater desalination system of this sea water desalinating plant.
To achieve these goals, the invention provides a kind of sea water desalinating plant, this sea water desalinating plant comprises First Heat Exchanger, the first cycling element, the second interchanger, the second cycling element and seawater desalination evaporators, and wherein, described First Heat Exchanger comprises used heat entrance and used heat outlet; Described seawater desalination evaporators comprises seawater entrance, seawer outlet and fresh water vapour outlet; Described the first cycling element comprises the first heat absorbing part and the first heat release part, and described the first heat absorbing part is arranged in described First Heat Exchanger, and described the first heat release part is arranged in described the second interchanger; Described the second cycling element comprises the second heat absorbing part and the second heat release part, and described the second heat absorbing part is arranged in described the second interchanger, and described the second heat release part is arranged in described seawater desalination evaporators.
Preferably, described the first cycling element is heat pipe, the evaporator section that described the first heat absorbing part is described heat pipe, and described the first heat unit is divided into the condensation segment of described heat pipe.
Preferably, described the second interchanger is vapour generator, this vapour generator comprises condensing water inlet and vapour outlet, described the second heat release part has condensation-water drain and steam-in, described the second cycling element comprises steam output pipe road and water of condensation input channel, described steam output pipe road is communicated with described vapour outlet and described steam-in, and described water of condensation input channel is communicated with described condensing water inlet and described condensation-water drain.
Preferably, described the second heat unit is divided into seawater falling-film evaporator.
Preferably, described the first heat absorbing part is the heat transfer tube in described First Heat Exchanger, this heat transfer tube has thermal medium outlet and cold medium inlet, described the second interchanger has thermal medium entrance and cold media outlet, described the first cycling element comprises thermal medium output channel and cold medium input channel, described thermal medium output channel is communicated with described thermal medium outlet and described thermal medium entrance, described cold medium input channel is communicated with described cold media outlet and described cold media outlet, and is provided with the second pump on described thermal medium output channel.
Preferably, described heat transfer tube is corrosion-resistant heat exchange tube.
Preferably, described the second cycling element is heat pipe, the evaporator section that described the second heat absorbing part is described heat pipe, and described the second heat unit is divided into the condensation segment of described heat pipe.
Preferably, this sea water desaltination evaporation unit also comprises preheater and seawater input channel, and described seawater input channel is connected to described seawater entrance, and described seawater input channel is by described preheater inside.
Preferably, this sea water desaltination evaporation unit also comprises condenser, and described fresh water vapour outlet is communicated with this condenser.
Preferably, be provided with seawater jet apparatus in described seawater desalination evaporators, this seawater jet apparatus is communicated with described seawater entrance, and this seawater jet apparatus comprises the multiple nozzles that divide setting towards described the second heat unit.
The present invention also provides a kind of seawater desalination system, and this seawater desalination system comprises according to sea water desalinating plant of the present invention.
In technical scheme of the present invention, use used heat as thermal source, saved the energy, effectively reduce sea water desaltination cost; And, used heat is transformed in the thermal medium of the first cycling element by First Heat Exchanger, make to complete heat exchange between the first cycling element and the second cycling element by the second interchanger again, then provide energy by the second heat release part of the second cycling element to sea water desaltination, therefore, seawater is not directly contacted with waste heat source, in the middle of equipment operation, if First Heat Exchanger and the second interchanger etc. break down, seawater desalination evaporators can also work on and unaffected by other propulsion sources; Secondly, because this sea water desalinating plant comprises two-stage heat exchange, therefore connecting tube is more, can change by optionally extending the length of part connecting tube wherein the installation site of seawater desalination evaporators, and Installation Flexibility improves; In addition, sea water desalinating plant of the present invention is simple in structure, convenient operation and maintenance.
Other features and advantages of the present invention are described in detail the embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the sea water desalinating plant of one embodiment of the present invention;
Fig. 2 is according to the schematic diagram of the sea water desalinating plant of another embodiment of the invention.
Description of reference numerals
1 First Heat Exchanger
The outlet of 1a used heat entrance 1b used heat
2 second interchanger
2a condensing water inlet 2b vapour outlet
The cold media outlet of 2a ' thermal medium entrance 2b '
3 seawater desalination evaporators
4 preheaters
5 seawater input channel 6 seawater jet apparatus
7 seawater falling-film evaporators
7a condensation-water drain 7b steam-in
8 steam output pipe road 9 water of condensation input channels
10 second pumps
11 heat transfer tubes
11a ' the thermal medium outlet cold medium inlet of 11b '
The cold medium discrepancy of 12 thermal medium output channel 13 pipeline
14 first pumps
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality of use is as normally undefined at sea water desalinating plant provided by the invention and the normal service condition of seawater desalination system in " upper and lower ", and also with consistent with reference to direction shown in accompanying drawing; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
According to an aspect of the present invention, a kind of sea water desalinating plant is provided, this sea water desalinating plant comprises First Heat Exchanger 1, the first cycling element, the second interchanger 2, the second cycling element and seawater desalination evaporators 3, and wherein, described First Heat Exchanger 1 comprises used heat entrance 1a and used heat outlet 1b; Described seawater desalination evaporators 3 comprises seawater entrance 3a, seawer outlet 3b and fresh water vapour outlet; Described the first cycling element comprises the first heat absorbing part and the first heat release part, and described the first heat absorbing part is arranged in described First Heat Exchanger 1, and described the first heat release part is arranged in described the second interchanger 2; Described the second cycling element comprises the second heat absorbing part and the second heat release part, and described the second heat absorbing part is arranged in described the second interchanger 2, and described the second heat release part is arranged in described seawater desalination evaporators 3.
In technical scheme of the present invention, use used heat as thermal source, in First Heat Exchanger 1, used heat transfers heat to the first heat absorbing part medium that is positioned at of the first cycling element, this medium can circulate in the first cycling element, this medium is transported to the first heat release part from the first heat absorbing part, in the second interchanger 2, medium release of heat in the first heat release part, these heats are by the Absorption of Medium that is arranged in the second heat absorbing part of the second cycling element, and the medium in the second cycling element is also along with constantly circulating at the second cycling element, absorb and be delivered to the second heat release part from the second heat absorbing part, thereby the medium release of heat in seawater desalination evaporators 3 in the second heat release part is by the sea water by distillation in seawater desalination evaporators 3, to realize the desalination of seawater, by the continuous circulation of the first cycling element and the second cycling element, constantly the heat of used heat is passed to seawater to realize the desalination of seawater.
In sea water desalinating plant of the present invention, thereby use used heat to contribute to save energy and reduce sea water desaltination cost, be more adapted to the society of energy scarcity, secondly, used heat is transformed in the thermal medium of the first cycling element by First Heat Exchanger 1, make to complete heat exchange between the first cycling element and the second cycling element by the second interchanger 2 again, then provide energy by the second heat release part of the second cycling element to sea water desaltination, therefore, in whole working process, seawater does not directly contact with waste heat source, in the middle of equipment operation, if First Heat Exchanger 1 and/or the second interchanger 2 etc. break down, seawater desalination evaporators 3 can also work on and unaffected by other propulsion sources, for example, extraneous vapour source directly can be passed in described the second heat release part, can certainly in using used heat, mix and use extraneous vapour source, in addition, because this sea water desalinating plant comprises two-stage heat exchange, therefore connecting tube is more, can change by optionally extending the length of part connecting tube wherein the installation site of the second interchanger 1, the second interchanger 2 or seawater desalination evaporators 3, and the Installation Flexibility of device improves, in addition, sea water desalinating plant of the present invention is simple in structure, convenient operation and maintenance.
Participate in Fig. 1, shown the sea water desalinating plant of the first embodiment of the present invention.
In the first embodiment, the first cycling element is heat pipe, the evaporator section that the first heat absorbing part is described heat pipe, the first heat unit is divided into the condensation segment of described heat pipe, utilize heat pipe to complete the heat exchange between used heat and seawater, the heat transfer efficiency of heat pipe is high, is conducive to improve the working efficiency of device.
And, particularly, in described heat pipe, be filled with heat-pipe working medium, select the heat-pipe working medium of the sea water desaltination operating mode that is suitable for this device, the heat-pipe working medium for example using in present embodiment is preferably water or dehydrated alcohol.
Preferably, the second interchanger 2 is positioned at First Heat Exchanger 1 top, after heat-pipe working medium in evaporator section is heated, undergoes phase transition from liquid state and be converted into gaseous state, upwards be transported in condensation segment, in condensation segment, heat-pipe working medium transfers heat to the second heat absorbing part in the second interchanger 1 and undergoes phase transition from gaseous state and is converted into liquid state, and under action of gravity, automatic back flow is in evaporator section, heat-pipe working medium constantly completes above-mentioned circulation, thereby realizes the indirect heat exchange of used heat and the second cycling element.
Particularly, heat pipe also comprises the adiabatic section between evaporator section and condensation segment, and this adiabatic section is placed between First Heat Exchanger 1 and the second interchanger 2, on the tube wall of adiabatic section, be provided with thermal insulation material, in addition, in order to improve heat transfer efficiency, fin can be set up on evaporator section, with enlarge active surface.
And, the second interchanger 2 is vapour generator, this vapour generator comprises condensing water inlet 2a and vapour outlet 2b, the second heat release part has condensation-water drain 7a and steam-in 7b, the second cycling element comprises steam output pipe road 8 and water of condensation input channel 9, steam output pipe road 8 is communicated with vapour outlet 2b and steam-in 7b, and water of condensation input channel 9 is communicated with condensing water inlet 2a and condensation-water drain 7a.The second heat absorbing part of the second cycling element is the housing of vapour generator and is contained in the WATER AS FLOW MEDIUM in housing.In present embodiment, the heat release in the second interchanger 2 of the condensation segment of heat pipe, make water in the second interchanger 2 be subject to the Low Temperature Steam of approximately 65 ℃ of thermogenesis, this Low Temperature Steam is discharged and enters the second heat release part, so that seawater is heated from steam-in 7b through steam conveying pipe 8 from vapour outlet 2b.
In addition, in the first embodiment, described the second heat unit is divided into seawater falling-film evaporator 7.And, in order to guarantee the smooth circulation of the second cycling element medium, the first pump 14 can be set on water of condensation input channel 9, to drive the condensate return of discharging in the second interchanger 2 from seawater falling-film evaporator 7.
In the first embodiment, installation site and the mounting height of seawater desalination evaporators 3 do not have specific requirement, can coordinate the installation site of seawater desalination evaporators 3 and the variation of mounting height by extending the length of steam output pipe road 8 and water of condensation input channel 9 and arranging, Installation Flexibility is good, because the medium of carrying in steam output pipe road 8 and water of condensation input channel 9 is respectively water vapour and water of condensation, therefore, there is not the hidden danger polluting the environment after dielectric leakage.
Participate in Fig. 2, shown the sea water desalinating plant of the second embodiment of the present invention.
In the second embodiment, the first heat absorbing part is the heat transfer tube 11 in described First Heat Exchanger 1, this heat transfer tube 11 has thermal medium outlet 11a ' and cold medium inlet 11b ', described the second interchanger 2 has thermal medium entrance 2a ' and cold media outlet 2b ', described the first cycling element comprises thermal medium output channel 12 and cold medium input channel 13, described thermal medium output channel 12 is communicated with described thermal medium outlet 11a ' and described thermal medium entrance 2a ', described cold medium input channel 13 is communicated with described cold media outlet 2b ' and described cold media outlet 11b ', and on described thermal medium output channel 12, be provided with the second pump 10.
Owing to being provided with the second pump 10, therefore, medium in the first cycling element can be transported in the second interchanger 2 through thermal medium output channel 12 in the situation that not undergoing phase transition from heat transfer tube 11 in the driving by the second pump 10, in the second embodiment, the pump circulation that the first cycling element adopts, in other words, in the second embodiment, First Heat Exchanger 1 is forced convection formula interchanger, the benefit arranging is like this that the selectable range of the medium of filling in the first cycling element is wider, for example, in present embodiment, the medium of selecting is water, like this, there is not the hidden danger (especially for the thermal medium output channel 12 and cold medium input channel 13 of easy leakage medium) polluting the environment after dielectric leakage, the length of thermal medium output channel 12 and cold medium input channel 13 and the handiness of decoration form improve, installation site and the mounting height of the second interchanger 2 are more flexible, can coordinate the installation site of seawater desalination evaporators 3 and the variation of mounting height by extending the length of steam output pipe road 8 and water of condensation input channel 9 and arranging.In addition, preferably, the second interchanger 2 is arranged in to the top of First Heat Exchanger 1, the cold medium flowing out from cold media outlet 2b ' can directly be back in the first heat absorbing part by cold medium input channel 13 under action of gravity.And the second heat absorbing part of the second cycling element is the housing of the second interchanger 2 and is contained in the medium in housing.
In addition, because the used heat such as fume waste heat, chemical reaction used heat and industrial furnace used heat have certain corrodibility, in order to extend the work-ing life of First Heat Exchanger 1, preferably, heat transfer tube 11 is corrosion-resistant heat exchange tube, for example heat transfer tube 11 can be made up of corrosion resistant material, and in present embodiment, First Heat Exchanger 1 is corrosion-resistance heat exchanger.
And, the second cycling element is heat pipe, the second heat absorbing part is the evaporator section of described heat pipe, the second heat unit is divided into the condensation segment of described heat pipe, utilize heat pipe to complete the heat exchange between the first cycling element and seawater, the heat transfer efficiency of heat pipe is high, be conducive to improve the working efficiency of device, and, guarantee in the situation of equal heat transfer efficiency, be more suitable for dividing the situation that is set to smaller size smaller by the second heat absorbing part and the second heat unit by adopting heat pipes for heat transfer, be therefore conducive to dwindle the volume of seawater desalination evaporators 3.
Particularly, in described heat pipe, be filled with heat-pipe working medium, select the heat-pipe working medium of the sea water desaltination operating mode that is suitable for this device, the heat-pipe working medium for example using in present embodiment is preferably water or dehydrated alcohol.
Preferably, seawater desalination evaporators 3 is positioned at the second interchanger 2 tops, after heat-pipe working medium in evaporator section is heated, undergoes phase transition from liquid state and be converted into gaseous state, upwards be transported in condensation segment, in condensation segment, then the seawater that heat-pipe working medium transfers heat in seawater desalination evaporators 3 undergoes phase transition from gaseous state and is converted into liquid state, under action of gravity, automatic back flow is in evaporator section, heat-pipe working medium constantly completes above-mentioned circulation, thereby realizes the heat exchange between the seawater in the first cycling element and seawater desalination evaporators 3.
Particularly, heat pipe also comprises the adiabatic section between evaporator section and condensation segment, this adiabatic section is placed between the second interchanger 2 and seawater desalination evaporators 3, on the tube wall of adiabatic section, be provided with thermal insulation material, in addition, in order to improve heat transfer efficiency, fin can be set up on evaporator section, with enlarge active surface.
It will be understood by those skilled in the art that, seawater desalination evaporators 3 can be set to applicable form arbitrarily, for example, in present embodiment, in seawater desalination evaporators 3, be provided with seawater jet apparatus 6, this seawater jet apparatus 6 is communicated with seawater entrance 3a, and, further particularly, seawater jet apparatus 6 comprises the multiple nozzles that divide setting towards described the second heat unit, the seawater entering seawater desalination evaporators 3 from seawater entrance 3a is delivered in seawater jet apparatus 6, and be directly injected in described the second heat release part that temperature is higher by the nozzle of seawater jet apparatus 6, thereby be more conducive to seawater and fully and equably contact described the second heat release part, thereby with will be better by heating of seawater to more than distillation temperature completing desalination, after seawater distills, the fresh water steam of distillation place is discharged from fresh water vapour outlet, remaining high density seawater is fallen in seawater desalination evaporators 3 and is discharged from seawer outlet 3b.
Referring to Fig. 1 and Fig. 2, under preferable case, the sea water desalinating plant of present embodiment also comprises preheater 4 and seawater input channel 5, seawater input channel 5 is connected to seawater entrance 3a, seawater input channel 5 is by described preheater 4 inside, by preheater 4, the seawater in seawater input channel 5 is carried out to preheating, to improve the seawater temperature that enters into seawater desalination evaporators 3 from seawater entrance 3a, be conducive to accelerate the speed of sea water by distillation in seawater desalination evaporators 3.
In addition, the sea water desaltination evaporation unit of present embodiment also comprises condenser, and described fresh water vapour outlet is communicated with this condenser, and the fresh water steam of discharging from fresh water vapour outlet is caught a cold and is condensed into liquid, be i.e. fresh water described condenser.According to a further aspect in the invention, provide a kind of seawater desalination system, this seawater desalination system comprises according to sea water desalinating plant of the present invention.
And this seawater desalination system comprises the multiple seawater desalination evaporators 3 that are in series.
In addition, the seawater desalination system of present embodiment also comprises waste heat source, used heat input channel, used heat output channel and vacuum fan, used heat input channel is communicated with waste heat source and used heat entrance 1a, used heat output channel is communicated with used heat outlet 1b and vacuum fan, under the effect of vacuum fan, used heat enters First Heat Exchanger 1 and after having carried out heat exchange with the first heat absorbing part of the first cycling element and discharges from used heat outlet 1b from used heat entrance 1a.
In addition, the seawater desalination system of present embodiment also comprises source of seawater, seawater pond and seawater output channel, and seawater input channel 5 is communicated with source of seawater and seawater entrance 3a, and seawater output channel is communicated with seawer outlet 3b and seawater pond.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (11)
1. a sea water desalinating plant, this sea water desalinating plant comprises First Heat Exchanger (1), the first cycling element, the second interchanger (2), the second cycling element and seawater desalination evaporators (3), wherein,
Described First Heat Exchanger (1) comprises used heat entrance (1a) and used heat outlet (1b);
Described seawater desalination evaporators (3) comprises seawater entrance (3a), seawer outlet (3b) and fresh water vapour outlet;
Described the first cycling element comprises the first heat absorbing part and the first heat release part, and described the first heat absorbing part is arranged in described First Heat Exchanger (1), and described the first heat release part is arranged in described the second interchanger (2);
Described the second cycling element comprises the second heat absorbing part and the second heat release part, and described the second heat absorbing part is arranged in described the second interchanger (2), and described the second heat release part is arranged in described seawater desalination evaporators (3).
2. sea water desalinating plant according to claim 1, wherein, described the first cycling element is heat pipe, the evaporator section that described the first heat absorbing part is described heat pipe, described the first heat unit is divided into the condensation segment of described heat pipe.
3. sea water desalinating plant according to claim 2, wherein, described the second interchanger (2) is vapour generator, this vapour generator comprises condensing water inlet (2a) and vapour outlet (2b), described the second heat release part has condensation-water drain (7a) and steam-in (7b), described the second cycling element comprises steam output pipe road (8) and water of condensation input channel (9), described steam output pipe road (8) is communicated with described vapour outlet (2b) and described steam-in (7b), described water of condensation input channel (9) is communicated with described condensing water inlet (2a) and described condensation-water drain (7a).
4. sea water desalinating plant according to claim 3, wherein, described the second heat unit is divided into seawater falling-film evaporator (7).
5. sea water desalinating plant according to claim 1, wherein, described the first heat absorbing part is the heat transfer tube (11) in described First Heat Exchanger (1), this heat transfer tube (11) has thermal medium outlet (11a ') and cold medium inlet (11b '), described the second interchanger (2) has thermal medium entrance (2a ') and cold media outlet (2b '), described the first cycling element comprises thermal medium output channel (12) and cold medium input channel (13), described thermal medium output channel (12) is communicated with described thermal medium outlet (11a ') and described thermal medium entrance (2a '), described cold medium input channel (13) is communicated with described cold media outlet (2b ') and described cold media outlet (11b '), and on described thermal medium output channel (12), be provided with the second pump (10).
6. sea water desalinating plant according to claim 5, wherein, described heat transfer tube (11) is corrosion-resistant heat exchange tube.
7. sea water desalinating plant according to claim 5, wherein, described the second cycling element is heat pipe, the evaporator section that described the second heat absorbing part is described heat pipe, described the second heat unit is divided into the condensation segment of described heat pipe.
8. according to the sea water desalinating plant described in any one in claim 1-7, wherein, this sea water desaltination evaporation unit also comprises preheater (4) and seawater input channel (5), described seawater input channel (5) is connected to described seawater entrance (3a), and described seawater input channel (5) is by described preheater (4) inside.
9. according to the sea water desalinating plant described in any one in claim 1-7, wherein, this sea water desaltination evaporation unit also comprises condenser, and described fresh water vapour outlet is communicated with this condenser.
10. according to the sea water desalinating plant described in any one in claim 1-7, wherein, in described seawater desalination evaporators (3), be provided with seawater jet apparatus (6), this seawater jet apparatus (6) is communicated with described seawater entrance (3a), and this seawater jet apparatus (6) comprises the multiple nozzles that divide setting towards described the second heat unit.
11. 1 kinds of seawater desalination systems, is characterized in that, this seawater desalination system comprises according to the sea water desalinating plant described in any one in described claim 1-10.
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| CN109775789A (en) * | 2019-03-18 | 2019-05-21 | 齐鲁工业大学 | A kind of heat-tube vacuum drying system and its application |
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| CN109775789A (en) * | 2019-03-18 | 2019-05-21 | 齐鲁工业大学 | A kind of heat-tube vacuum drying system and its application |
| CN109775789B (en) * | 2019-03-18 | 2022-06-21 | 齐鲁工业大学 | Heat pipe vacuum drying system and application thereof |
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