CN101479195B - Plate type apparatus for producing fresh water - Google Patents

Plate type apparatus for producing fresh water Download PDF

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Publication number
CN101479195B
CN101479195B CN2007800233156A CN200780023315A CN101479195B CN 101479195 B CN101479195 B CN 101479195B CN 2007800233156 A CN2007800233156 A CN 2007800233156A CN 200780023315 A CN200780023315 A CN 200780023315A CN 101479195 B CN101479195 B CN 101479195B
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China
Prior art keywords
water
plate
heat transfer
raw material
heat exchange
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CN2007800233156A
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Chinese (zh)
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CN101479195A (en
Inventor
森永一则
冈田夕纪
岛田统行
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Sasakura Engineering Co Ltd
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Sasakura Engineering Co Ltd
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Publication of CN101479195A publication Critical patent/CN101479195A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/048—Purification of waste water by evaporation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
    • F28D2021/0064—Vaporizers, e.g. evaporators

Abstract

A plate type water making apparatus including heater (10) for heating raw seawater by hot water to thereby produce steam and condenser (30) for cooling the produced steam by cooling water to thereby produce distilled water, characterized by further including preheating means (40) for heating portion of cooling water discharged from the condenser (30) so as to introduce the same in the heater (10) as raw seawater. In this plate type water making apparatus, heating evaporation of raw seawater can be efficiently performed, so that there can be attained downsizing and cost reduction.

Description

Plate type apparatus for producing fresh water
Technical field
The present invention relates to plate type apparatus for producing fresh water, in more detail, relate to a kind of evaporation that plate-type heat exchanger carries out the seawater raw material and agglomerative plate type apparatus for producing fresh water of steam of utilizing.
Background technology
As existing plate type apparatus for producing fresh water, the formation that as everyone knows for example in patent documentation 1, discloses.As shown in Figure 7, above-mentioned plate type apparatus for producing fresh water has: the seawater raw material that will introduce from raw water intake 53 is used for the well heater 50 that boats and ships are discharged from the raw material relief outlet after with the hot water heating evaporation of the cooling of mover etc.; With the vaporizer 60 that is contained in the droplet evaporation from the water vapour that well heater 50 has been discharged; And the steam coagulation that utilizes refrigerated sea water to have introduced through steam intakes 73 from vaporizer 60, the condensing surface 70 of afterwards zero(ppm) water being discharged from zero(ppm) water relief outlet 74.
Well heater 50 and condensing surface 70 all are plate-type heat exchanger, constitute by lamination a plurality of each heat transfer plate between mobile high-temperature gas and the cryogenic gas pattern that carries out heat exchange.In condensing surface 70, utilize the part of the refrigerated sea water that has flowed out after being heated with the heat exchange of water vapour, introduce from the raw water intake 53 of well heater 50 as the seawater raw material.
Patent documentation 1: japanese kokai publication hei 9-299927 communique
But above-mentioned existing plate type apparatus for producing fresh water is because the heat exchanger effectiveness of seawater raw material that is introduced in well heater 50 and hot water is not enough, so the result is the big heat transfer areas of needs, causes the maximization of heat transfer plate.
Summary of the invention
Therefore, the objective of the invention is to, provide a kind of through carrying out the heat temperature raising of seawater raw material expeditiously, thereby can seek the plate type apparatus for producing fresh water of miniaturized and cost degradation.
For the plate type apparatus for producing fresh water of the 1st mode of reaching above-mentioned purpose, it possesses and utilizes hot water to add the well heater that the hot sea water raw material generates water vapour; Generate the condensing surface of zero(ppm) water with the water vapour that utilizes water quench to generate; Said well heater possesses a plurality of by the heat transfer plate of stacked arrangement between 2 end plates; And constitute alternately to pass and carry out heat exchange at each heat transfer plate chien shih seawater raw material of adjacency and hot water; Said condensing surface possesses a plurality of by the heat transfer plate of stacked arrangement between 2 end plates, and constitutes alternately to pass at each heat transfer plate chien shih water vapour of adjacency and water coolant and carry out heat exchange, it is characterized in that; Possess: the part heating of the water coolant that will discharge from said condensing surface is incorporated into the preheating unit of said well heater as the seawater raw material.
In addition, for the plate type apparatus for producing fresh water of the 2nd mode of reaching above-mentioned purpose, it possesses and utilizes hot water to add the well heater that the hot sea water raw material generates water vapour; Generate the condensing surface of zero(ppm) water with the water vapour that utilizes water quench to generate; Said well heater possesses a plurality of by the heat transfer plate of stacked arrangement between 2 end plates; And constitute alternately to pass and carry out heat exchange at each heat transfer plate chien shih seawater raw material of adjacency and hot water; Said condensing surface possesses a plurality of by the heat transfer plate of stacked arrangement between 2 end plates; And constitute alternately to pass and carry out heat exchange, it is characterized in that, said condensing surface is constituted: introduce water coolant from the said end plate of a side at each heat transfer plate chien shih water vapour of adjacency and water coolant; Via being carried out heat exchange by the part of a plurality of said heat transfer plates of lamination and water vapour; The part of the water coolant after the heat exchange is discharged from the said end plate of a side, and make remaining water coolant further carry out discharging from the said end plate of opposite side after the heat exchange, will be incorporated into said well heater as the seawater raw material from the water coolant that the said end plate of opposite side is discharged via remaining said heat transfer plate and water vapour.
In addition, for the plate type apparatus for producing fresh water of the 3rd mode of reaching above-mentioned purpose, it possesses and utilizes hot water to add the well heater that the hot sea water raw material generates water vapour; Generate the condensing surface of zero(ppm) water with the water vapour that utilizes water quench to generate; Said well heater possesses a plurality of by the heat transfer plate of stacked arrangement between 2 end plates; And constitute alternately to pass and carry out heat exchange at each heat transfer plate chien shih seawater raw material of adjacency and hot water; Said condensing surface possesses a plurality of by the heat transfer plate of stacked arrangement between 2 end plates, and constitutes alternately to pass at each heat transfer plate chien shih water vapour of adjacency and water coolant and carry out heat exchange, it is characterized in that; Said well heater is constituted: introduce the seawater raw material from the said end plate of a side; Via being carried out heat exchange by the part of a plurality of said heat transfer plates of lamination and hot water, make seawater raw material after the heat exchange via remaining said heat transfer plate, further carry out discharging from the said end plate of opposite side after the heat exchange with hot water.
In the plate type apparatus for producing fresh water of the 3rd above-mentioned mode; Said condensing surface is constituted: introduce water coolant from the said end plate of a side; Via being carried out heat exchange by the part of a plurality of said heat transfer plates of lamination and water vapour; The part of the water coolant after the heat exchange is discharged from the said end plate of a side; And make remaining water coolant further carry out discharging from the said end plate of opposite side after the heat exchange, will be incorporated into said well heater as the seawater raw material from the water coolant that the said end plate of opposite side is discharged via remaining said heat transfer plate and water vapour.
Plate type apparatus for producing fresh water of the present invention can be sought miniaturized and cost degradation through adding the hot sea water raw material expeditiously.
Description of drawings
Fig. 1 is the formation sketch of the plate type apparatus for producing fresh water of the present invention's the 1st embodiment.
Fig. 2 is well heater and the major portion stereographic map of condensing surface in the plate type apparatus for producing fresh water shown in Figure 1.
Fig. 3 is the formation sketch of the plate type apparatus for producing fresh water of the present invention's the 2nd embodiment.
Fig. 4 is the major portion stereographic map of the condensing surface in the plate type apparatus for producing fresh water shown in Figure 3.
Fig. 5 is the formation sketch of the plate type apparatus for producing fresh water of the present invention's the 3rd embodiment.
Fig. 6 is the major portion stereographic map of the well heater in the plate type apparatus for producing fresh water shown in Figure 5.
Fig. 7 is the formation sketch of existing plate type apparatus for producing fresh water.
Nomenclature
1a, 1b, 1c plate type apparatus for producing fresh water
10,19 well heaters
101,102,111,112 end plates
103a, 103b, 113a, 113b heat transfer plate
The 19a dividing plate
20 vaporizers
30,39 condensing surfaces
The 39a dividing plate
40 heat exchangers
41,42 preheating parts
Embodiment
Below, with reference to accompanying drawing embodiment of the present invention is described.
The 1st embodiment:
Fig. 1 is the formation sketch of the plate type apparatus for producing fresh water of the present invention's the 1st embodiment.Above-mentioned plate type apparatus for producing fresh water 1a as shown in Figure 1 possesses: add the well heater 10 that the hot sea water raw material generates water vapour; The vaporizer 20 that separates water vapour, salt solution (concentrated seawater); And the condensing surface 30 of water coolant steam generation zero(ppm) water, be particularly suitable for doing the water making device that boats and ships are used.
Well heater 10 possesses: raw water intake 11 that seawater is introduced respectively and discharged and water vapour, brine outlet 12; Hot water intake 13 and hot water relief outlet 14 that boats and ships are introduced respectively and discharged with the hot water of jacket water of mover etc.; The seawater raw material introduced from raw water intake 11 is heated evaporation through the hot water of having introduced from hot water intake 13, discharges from water vapour, brine outlet 12.
Vaporizer 20 possesses: the heating raw water intake 21 that the seawater raw material after the heating that will discharge from water vapour, brine outlet 12 is introduced; The steam outlet 22 that to discharge from the water vapour that the seawater raw material has generated; With the salt solution relief outlet 23 that residual salt solution is discharged.
Condensing surface 30 possesses: the steam intake 31 that will introduce from the water vapour that steam outlet 22 has been discharged; The zero(ppm) water relief outlet 32 that the zero(ppm) water that the water coolant steam obtained is discharged; Water coolant intake 33 of introducing respectively and discharging with the water coolant that will be used for cooling steam and cooling water outlet 34.In water coolant intake 33; Utilize the operation of squirt pump 35 that refrigerated sea water is introduced into as water coolant; The driving water that the part of the seawater of having discharged from cooling water outlet 34 is made water-jet 36 uses; The raw water intake 11 that another part is introduced to well heater 10 is done the seawater raw material and is used, and remainder is discharged to outboard etc.The zero(ppm) water of discharging from zero(ppm) water relief outlet 32 is introduced to the clear water jar (not shown) through distilled water pump 37.Vaporizer 20 and condensing surface 30 are routed to the maximum negative splenium of water-jet 36, are siphoned away incondensable gas to keep vacuum with this.
Well heater 10 has plate-type heat exchanger with condensing surface 30, and its structure is identical with the structure of existing plate type apparatus for producing fresh water.Shown in the major portion stereographic map of Fig. 2, well heater 10 is 101,102 of 2 end plates, through with a plurality of 2 kinds heat transfer plate 103a, 103b respectively alternately stacked arrangement constitute, edge portion is through connective bar 10a and 10a joint.Each heat transfer plate 103a, 103b form rectangular shape, and 2 the feed water stream ports 104,105 that form seawater raw material and vapor flow path are configured on a pair of diagonal angle, and 2 the hot water flow ports 106,107 that form the hot water stream are configured in another on the diagonal angle.
Raw water intake 11, water vapour, brine outlet 12, hot water intake 13 and hot water relief outlet 14 all are arranged on the side end panel 101, the stream that is connected to the stream that is formed by feed water stream port 104 among a plurality of heat transfer plate 103a, the 103b respectively, is formed by feed water stream port 105, the stream that is formed by hot water flow port 106 and the stream that is formed by hot water flow port 107.
Each heat transfer plate 103a, 103b are formed with groove 108a, 108b on the surface of a side; The groove 108a of heat transfer plate 103a is communicated with 2 feed water stream ports 104 and 105 each other on the one hand; Separate 2 hot water flow ports 106 and 107 on the other hand; The groove 108b of heat transfer plate 103b separates 2 feed water stream ports 104 and 105 each other on the one hand, is communicated with 2 hot water flow ports 106 and 107 on the other hand.Seal through the packing ring (not shown) between each heat transfer plate 103a of adjacency, the 103b.In Fig. 2, for the ease of understanding, the stream of the stack direction that is formed at heat transfer plate 103a, 103b is dotted with the part that groove 108a, 108b are communicated with, will represent with solid line with the part that groove 108a, 108b separate.
This formation through well heater 10; Seawater raw material and the hot water introduced from raw water intake 11 and hot water intake 13; In the groove 108b of the groove 108a of heat transfer plate 103a and heat transfer plate 103b, flow respectively; Therefore, see on the stack direction of heat transfer plate 103a, 103b that then seawater raw material and hot water are alternately through between the heat transfer plate 103a of adjacency, 103b.Consequently, between seawater raw material and hot water, carry out heat exchange through heat transfer plate 103a, 103b.Seawater raw material and the hot water of heat exchange of being through with is discharged from water vapour, brine outlet 12 and hot water relief outlet 14 respectively.
Condensing surface 30 also has the structure the same with well heater 10,2 end plates 111 and 112, through a plurality of 2 kinds heat transfer plate 113a, 113b separately alternately stacked arrangement constitute, edge portion is through connective bar 30a and 30a joint.Each heat transfer plate 113a, 113b form rectangular shape, and 2 distillation communication port 114,115 that form steam (or zero(ppm) water) stream are configured on a pair of diagonal angle, and 2 the cooling-water flowing ports 116,117 that form the water coolant stream are configured in another on the diagonal angle.
Steam intake 31, zero(ppm) water relief outlet 32, water coolant intake 33 and cooling water outlet 34 all are arranged on the side end panel 111, are connected to the stream that forms by the stream that forms of distillation communication port 114, by distillation communication port 115 among a plurality of heat transfer plate 113a, the 113b respectively, the stream that is formed by cooling-water flowing port 116 reaches on the stream that is formed by cooling-water flowing port 117.
Each heat transfer plate 113a, 113b are formed with groove 118a, 118b on the surface of a side; The groove 118a of heat transfer plate 113a is communicated with 2 distillation communication port 104 and 105 each other on the one hand; Separate 2 cooling- water flowing ports 116 and 117 on the other hand; The groove 118b of heat transfer plate 113b separates 2 feed water stream ports 114 and 115 each other on the one hand, is communicated with 2 hot water flow ports 116 and 117 on the other hand.Between each heat transfer plate 113a of adjacency, 113b through the sealing of packing ring (not shown).In Fig. 2, for the ease of understanding, the stream of the stack direction that is formed at heat transfer plate 113a, 113b is dotted with the part that groove 118a, 118b are communicated with, will represent with solid line with the part that groove 118a, 118b separate.
This formation through condensing surface 30; Water vapour and the water coolant introduced from steam intake 31 and water coolant intake 33; In the groove 118b of the groove 118a of heat transfer plate 113a and heat transfer plate 113b, flow respectively; Therefore, see on the stack direction of heat transfer plate 113a, 113b that then water vapour and water coolant are alternately between the heat transfer plate 113a through adjacency, 113b.Consequently, between water vapour and water coolant, carry out heat exchange through heat transfer plate 113a, 113b.The zero(ppm) water and the water coolant that finish heat exchange and generated are discharged from zero(ppm) water relief outlet 32 and cooling water outlet 34 respectively.
The water coolant of having discharged from cooling water outlet 34, after being heated through the heat exchange with water vapour, a part is introduced in well heater 10 as the seawater raw material.Above-mentioned formation is identical with existing plate type apparatus for producing fresh water; But do under the situation of seawater raw material this water coolant intactly being incorporated into well heater 10; The temperature of seawater raw material can fully not raise; Need big heat transfer area in order to make it rise to the necessary temperature of evaporation, in well heater 10, to become.This is can not obtain the good heat transfer coefficient because the flow velocity of the seawater raw material between heat transfer plate 103a is very slow, and inventors of the present invention have proved this point.
Therefore, in this embodiment,, be provided with preheating unit in order can the temperature of the seawater raw material that is introduced in well heater 10 to be elevated near the vaporization temperature.Specifically; As shown in Figure 1; At cooling water outlet 34 and 11 configuration heat exchangers 40 of raw water intake; The heating source that the part of the hot water of the jacket water of the hot water intake 13 through will being incorporated into well heater 10 etc. is made heat exchanger 40 uses, and can the temperature of the seawater raw material through heat exchanger 40 be brought up to desired temperature efficiently.
Plate type apparatus for producing fresh water 1a according to this embodiment; Because be introduced in well heater 10 as the seawater raw material after the part of the water coolant of having discharged from condensing surface 30 heats heat exchanger 40; So along the heat transfer plate 103a mobile seawater raw material of well heater 10 phase evaporation in the early stage, can with carry out heat exchange at high speed along heat transfer plate 103b mobile hot water.Therefore, because can improve the heat transfer coefficient in the well heater 10, so can seek the miniaturized and the cost degradation of well heater 10.
The structure of heat exchanger 40 does not receive distinguishingly to limit, and for example can make plate-type heat exchanger.Plate-type heat exchanger is controlled the preheating temperature of seawater raw material easily because adjust the number of plate easily, because can improve flow rate of fluid, also can improve heat exchanger effectiveness.In addition, also produce the effect that is difficult for causing the stream obstruction.
The 2nd embodiment:
Fig. 3 is the formation sketch of the plate type apparatus for producing fresh water of the present invention's the 2nd embodiment, and Fig. 4 is the major portion stereographic map of condensing surface.The plate type apparatus for producing fresh water 1b of this embodiment is substituted among the plate type apparatus for producing fresh water 1a of the 1st embodiment heat exchanger 40 is set, and in condensing surface 30, is provided with the structure of the preheating part of seawater raw material.Among Fig. 3 and Fig. 4,, and omit explanation to the identical symbol of component part mark identical with Fig. 1 and the 1st embodiment shown in Figure 2.
As shown in Figure 4, the condensing surface 39 of this embodiment possesses dividing plate 39a between 2 heat transfer plate 113a of adjacency, 113b.Aforementioned barriers 39a and heat transfer plate 113a, 113b likewise possess distillation communication port 114,115 and cooling-water flowing port 116, but do not possess the cooling-water flowing port 117 that the water coolant that has been introduced into passes through.On opposite side end plate 112, be formed with seawater raw material relief outlet 341, seawater raw material relief outlet 341 is communicated with water coolant intake 33 by the cooling-water flowing port 116,117 of heat transfer plate 113a, 113b and the cooling-water flowing port 116 of dividing plate 39a.
Possess in the condensing surface 39 of such formation at tool; The refrigerated sea water of having introduced by water coolant intake 33 from a side end panel 111; By by lamination the part of heat transfer plate 113a, 113b carry out the heat exchange with water vapour, the part of the refrigerated sea water after the heat exchange is discharged through cooling water outlet 34 from a side end panel 111.The remainder of the refrigerated sea water after the heat exchange, by by lamination the remainder of heat transfer plate 113a, 113b further carry out the heat exchange with water vapour, the seawater raw material relief outlet 341 from opposite side end plate 112 is discharged.From the refrigerated sea water that seawater raw material relief outlet 341 has been discharged, the raw water intake 11 that is introduced in well heater 10 as shown in Figure 3.
Condensing surface 39 among the plate type apparatus for producing fresh water 1b of this embodiment; After the refrigerated sea water of discharging from seawater raw material relief outlet 341 carries out the heat exchange with water vapour; Because further carry out heat exchange, so become higher than the refrigerated sea water temperature of discharging from condensing surface shown in Figure 2 30 with water vapour at dividing plate 39a and 112 of opposite side end plates.That is, the condensing surface 39 of this embodiment is owing to being incorporated into the preheating part 41 of the seawater raw material of well heater 10 at dividing plate 39a and the preheating of 112 formations of opposite side end plate, so can produce the effect identical with the 1st embodiment.
The temperature and the flow of the refrigerated sea water of discharging from seawater raw material relief outlet 341, through select aptly to a plurality of by lamination heat transfer plate 113a, the on position of dividing plate 39a between 113b, can easily adjust.That is, along with the on position of dividing plate 39a from opposite side end plate 112 sides to a side end panel 111 sides move, the temperature of the seawater raw material of discharging from seawater raw material relief outlet 341 uprises, it is big that heat recovery rate becomes.
In this embodiment, only be provided with 1 dividing plate 39a.But, also can constitute through dividing plate further being set, the feasible pattern that carries out repeatedly further with the heat exchange of water vapour when existing under the situation of a plurality of heat transfer plate 113a, 113b at dividing plate 39a and 112 of opposite side end plates.
In addition, as the method for the stream that is used to form above-mentioned water coolant, being not limited to the formation that must be provided with dividing plate 39a, for example, also can be other formations of stopper etc. with cooling-water flowing port 117 of sealing heat transfer plate 113a or 113b.
The condensing surface 39 of this embodiment; Because the little improvement through existing condensing surface can become the formation that inside has had preheating part 41; So can seek further miniaturized,, produce effect especially having under the situation that the spatial restriction is set of heat exchanger.
In addition because preheating part 41 is plate-type heat exchanger, so can access with the 1st embodiment in heat exchanger 40 are board-like identical effects of situation.Particularly, be difficult for causing that this effect of obstruction of stream is very remarkable under the situation that has preheating part 41 like this embodiment ground condensing surface 39.
The 3rd embodiment:
Fig. 5 is the formation sketch of the plate type apparatus for producing fresh water of the present invention's the 3rd embodiment, and Fig. 6 is the stereographic map of the major portion of well heater.The plate type apparatus for producing fresh water 1c of this embodiment is substituted among the plate type apparatus for producing fresh water 1a of the 1st embodiment heat exchanger 40 is set, and in well heater 10, is provided with the structure of the preheating part of seawater raw material.Among Fig. 5 and Fig. 6,, and omit explanation to the identical symbol of component part mark identical with Fig. 1 and the 1st embodiment shown in Figure 2.
As shown in Figure 6, the well heater 19 of this embodiment possesses dividing plate 19a between 2 heat transfer plate 103a of adjacency, 103b.Aforementioned barriers 19a and heat transfer plate 103a, 103b likewise possess feed water stream port 104 and hot water flow port 106,107, but do not possess the feed water stream port 105 that the seawater raw material that has been introduced into passes through.Raw water intake 11 is not arranged on the side end panel 101 and is arranged on the opposite side end plate 102; This raw water intake 11 is communicated with water vapour, brine outlet 12 by the feed water stream port 104,105 of heat transfer plate 103a, 103b and the feed water stream port 104 of dividing plate 19a.
In the well heater that possesses such structure 19; The seawater raw material of having introduced by raw water intake 11 from opposite side end plate 102; Through by lamination the part of heat transfer plate 103a, 103b carry out the heat exchange with hot water; Seawater raw material part after the heat exchange is further carried out heat exchange through remaining heat transfer plate 103a, 103b, is discharged from through water vapour, brine outlet 12 from a side end panel 111.
Well heater 19 among the plate type apparatus for producing fresh water 1c of this embodiment; Because constitute the seawater raw material introduced from opposite side end plate 102 after dividing plate 19a and 102 of opposite side end plates carry out the heat exchange with hot water; Further carry out the pattern of heat exchange, so 102 preheating parts that constitute preheating seawater raw material of dividing plate 19a and opposite side end plate with hot water.Therefore, the plate type apparatus for producing fresh water 1c of this embodiment also can produce the effect identical with the 1st embodiment.
The temperature of the seawater raw material of the feed water stream port 104 through dividing plate 19a, through select aptly to a plurality of by lamination heat transfer plate 103a, the on position of dividing plate 19a between 103b, can easily adjust.That is, along with the on position of dividing plate 19a moves from opposite side end plate 102 to one side end panel 101 ground, the temperature of the seawater raw material of the feed water stream port 104 through dividing plate 19a uprises.
In this embodiment; Only be provided with 1 dividing plate 19a; But, also can constitute through dividing plate further being set, the feasible pattern that carries out repeatedly further with the heat exchange of water vapour when existing between dividing plate 19a and the opposite side end plate 102 under the situation of a plurality of heat transfer plate 103a, 103b.
In addition, the method as the stream that is used to form above-mentioned seawater raw material is not limited to the formation that must be provided with dividing plate 19a, for example, also can be other formations of stopper etc. with feed water stream port 105 of sealing heat transfer plate 103a or 103b.
The well heater 19 of this embodiment; Because the little improvement through existing well heater can become the formation that inside has had preheating part 42; So can seek further miniaturized,, produce effect especially having under the situation that the spatial restriction is set of heat exchanger.
In addition because preheating part 42 is plate-type heat exchanger, so can access with the 1st embodiment in heat exchanger 40 are board-like identical effects of situation.
In addition; In the plate type apparatus for producing fresh water 1c of this embodiment; The formation of condensing surface 30 is made the structure of the condensing surface 39 in the 2nd embodiment shown in Figure 4; Through constituting the pattern that the seawater raw material of having discharged from the seawater raw material relief outlet 341 of condensing surface 39 is incorporated into well heater 19, also can seek further miniaturized, high efficiency.

Claims (3)

1. plate type apparatus for producing fresh water, it possesses and utilizes hot water to add the well heater that the hot sea water raw material generates water vapour; Generate the condensing surface of zero(ppm) water with the water vapour that utilizes water quench to generate; Said well heater possesses a plurality of by the heat transfer plate of stacked arrangement between 2 end plates; And constitute alternately to pass at each heat transfer plate chien shih seawater raw material of adjacency and hot water and carry out heat exchange, said condensing surface possesses a plurality of by the heat transfer plate of stacked arrangement between 2 end plates, and constitutes alternately to pass at each heat transfer plate chien shih water vapour of adjacency and water coolant and carry out heat exchange; It is characterized in that
Said condensing surface is constituted: introduce water coolant from the said end plate of a side; Via being carried out heat exchange by the part of a plurality of said heat transfer plates of lamination and water vapour; The part of the water coolant after the heat exchange is discharged from the said end plate of a side; And make remaining water coolant further carry out discharging from the said end plate of opposite side after the heat exchange, will be incorporated into said well heater as the seawater raw material from the water coolant that the said end plate of opposite side is discharged via remaining said heat transfer plate and water vapour.
2. plate type apparatus for producing fresh water according to claim 1 is characterized in that,
Said well heater is constituted: introduce the seawater raw material from the said end plate of a side; Via being carried out heat exchange by the part of a plurality of said heat transfer plates of lamination and hot water; Make seawater raw material after the heat exchange via remaining said heat transfer plate, further carry out discharging from the said end plate of opposite side after the heat exchange with hot water.
3. plate type apparatus for producing fresh water according to claim 1 and 2 is characterized in that, said condensing surface possesses the dividing plate between between any 2 said heat transfer plates of adjacency,
On said dividing plate, be formed with the cooling-water flowing port that supplies said remaining water coolant to pass,
Pass said cooling-water flowing port and between the said end plate of said dividing plate and opposite side with the water vapour heat exchange water coolant, be imported into said well heater.
CN2007800233156A 2006-06-20 2007-05-10 Plate type apparatus for producing fresh water Active CN101479195B (en)

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JP2006169517A JP5132091B2 (en) 2006-06-20 2006-06-20 Plate type fresh water generator
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PCT/JP2007/059668 WO2007148482A1 (en) 2006-06-20 2007-05-10 Plate type water making apparatus

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JP2008000636A (en) 2008-01-10
TW200800807A (en) 2008-01-01
KR20120034818A (en) 2012-04-12
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TWI413617B (en) 2013-11-01
WO2007148482A1 (en) 2007-12-27
KR20090027676A (en) 2009-03-17

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