CN201169542Y - Multiple-effect distillation sea water desalting apparatus for horizontally arranging one effect combining middle heat inlet source - Google Patents
Multiple-effect distillation sea water desalting apparatus for horizontally arranging one effect combining middle heat inlet source Download PDFInfo
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- CN201169542Y CN201169542Y CNU2008200305654U CN200820030565U CN201169542Y CN 201169542 Y CN201169542 Y CN 201169542Y CN U2008200305654 U CNU2008200305654 U CN U2008200305654U CN 200820030565 U CN200820030565 U CN 200820030565U CN 201169542 Y CN201169542 Y CN 201169542Y
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- seawater
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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
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model relates to a multi-effect seawater distillation and desalination unit which is horizontally provided with a one-effect combined middle inlet heat source, comprising a main cylinder body (20), a multi-effect seawater desalination evaporator component which is arranged inside the main cylinder body (20) and a heat source drive inlet (1) which is arranged on the main cylinder body (20), wherein, the main cylinder body is arranged in the horizontal direction; the multi-effect seawater desalination evaporator component comprises a one-effect evaporator (4), two two-effect evaporators (8) till two N-effect evaporators (10), a liquid retaining device (6) and evaporator spray devices (18), wherein, the one-effect evaporator (4) is arranged in the middle of the main cylinder body (20); the two two-effect evaporators (8) are respectively arranged on the left and the right of the one-effect evaporator (4); other various-effect evaporators are followed by analogy; the liquid retaining devices (6) is arranged between two adjacent two-effect evaporators; the evaporator spray devices (18) are arranged on respective corresponding-effect evaporators; and the heat source drive inlet (1) is arranged in the middle of the main cylinder body (20). The multi-effect seawater distillation and desalination unit can reduce the flow rate of various-effect steam and improve the ability of unit heat exchange area in preparing fresh water.
Description
Technical field
The utility model relates to a kind of horizontally disposed effect distillation seawater desalinating device of multi.Being mainly used in steam, hot water etc. is thermal source, and adopting the multi-effect distilling method is the device that raw material is produced fresh water with the seawater.Belong to the heat-exchange equipment technical field.
Background technology
Multi-effect distilling is a series of horizontal pipe falling film evaporation devices or vertical tube falling-film evaporator to be together in series be divided into 2～N effect group, repeatedly evaporate and condensation with the input of a certain amount of driving heat source, thereby obtain being multiple times than the desalination technology of the distilled water of heating thermal source.(shown in the figure quadruple effect as shown in Figure 1, imitating number can be that 2～N is imitated), treated seawater is by sea intake 13, entering condenser 15 carries out being divided into two tunnel shuntings after the preheating, one the tunnel enters the sea as water coolant by cooled with seawater water relief outlet 16, another road is as the charging in the still-process, the charging seawater is introduced in several effects of vaporizer after adding Scale inhibitors, feed liquid is evenly distributed on the overhead coil of vaporizer through vaporizer spray equipment 18, flow downward with the film pattern along overhead coil then, the latent heat of condensed steam in the portion water absorption tube and evaporating, secondary steam is condensed into product water in next is imitated.Driving heat source is imported in first the vaporizer in imitating, the outer seawater of heating tube produces the secondary steam suitable with heat, because will being lower than first, second working pressure of imitating imitates, secondary steam enters heat transfer tube next time behind liquid-blocking device 6, evaporative process is imitated and is repeated at each, each is imitated and all to produce distilled water, the steam that N is imitated in condenser 15 by the seawater condensation.Product water pot between each is imitated links to each other by the fresh water connecting leg 3 that condenses, concentrated seawater after the distillation links to each other by concentrated seawater connecting leg 7, because each is imitated the pressure difference and makes condense fresh water and concentrated seawater flash distillation in next is imitated, and heat taken back vaporizer, condensing like this, fresh water and concentrated seawater are stepped to flow, and flash cooling step by step, reclaim heat and improve system's total heat.The fresh water that condenses after flash cooling gathers the back and enters the fresh water storage tank by water outlet pipe 12.Concentrated seawater gathers after overrich seawer outlet pipe 11 is discharged by the strong brine pump.Non-condensable gases is in the condenser enrichment, extracted by vacuum extractor by non-condensable gases relief outlet 14.
For large-scale horizontally disposed multi-effect distilling water desalination apparatus, consider the single-piece weight and the manufacture difficulty of transportation, vaporizer main cylinder diameter can not be too big, one timing of main cylinder diameter, and steam flow rate is higher in the evaporator tube, refrigerant vapour drag losses between each is imitated is bigger, cause each vapor condenses temperature of imitating to reduce, the amount of producing fresh water of the unit's of making heat interchanging area reduces, and has reduced the outlet capacity of making of device, if it is constant to make the water yield, need to increase heat transfer area.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and can reduce steam flow rate that each is imitated, and improves the unit heat interchanging area and produces horizontally disposed one of fresh water ability and imitate the effect distillation seawater desalinating device of multi that advances thermal source in the middle of merging.
The purpose of this utility model is achieved in that a kind of horizontally disposed one imitates the effect distillation seawater desalinating device of multi that thermal source is advanced in the merging centre, include main cylinder, be arranged at the multi-effect seawater desalination evaporator assembly in the main cylinder and be arranged at driving heat source import on the main cylinder, described main cylinder is arranged in horizontal direction
Described multi-effect seawater desalination evaporator assembly includes a 1st effective evaporator, two 2nd effect evaporators,------two N single-effect evaporators and liquid-blocking device and vaporizer spray equipment, wherein 1st effective evaporator is arranged at the centre of main cylinder, two 2nd effect evaporators are arranged at the right and left of 1st effective evaporator respectively, all the other each single-effect evaporators and the like
Described liquid-blocking device has a plurality of, and each liquid-blocking device is arranged between the adjacent two-effect evaporation device,
Described vaporizer spray equipment also has a plurality of, and a plurality of vaporizer spray equipments are separately positioned on the top of each corresponding single-effect evaporator, and the import of vaporizer spray equipment connects seawater,
Described driving heat source import is arranged on the centre of main cylinder.
Driving heat source enters the 1st effective evaporator of multi-effect seawater desalination evaporator assembly seawater outside the heating tube in the middle of the main cylinder, the steam that produces is together incorporated the fresh water that produces into the water outlet pipe by connecting pipeline in the N effect and is squeezed into the fresh water storage tank by fresh water pump as the heating source of next effect; Seawater after concentrating is also together incorporated the concentrated seawater outlet pipe into by connecting pipeline, effluxes by the concentrated seawater pump.Identical making under the water yield, effect number and the constant situation of main cylinder diameter, compare each heat exchange of imitating load with conventional art and can reduce one times, heat transfer tube length can be reduced to original half, can significantly reduce in the heat transfer tube like this and the outer flow velocity of pipe, greatly reduce the steam resistance loss, improve the vapor condenses temperature of each single-effect evaporator, improved the ability of producing fresh water of sea water desalinating plant unit's heat interchanging area.
Description of drawings
Fig. 1 is the overall structure synoptic diagram of horizontally disposed in the past effect distillation seawater desalinating device of multi.
Fig. 2 is for advancing the overall structure synoptic diagram of the effect distillation seawater desalinating device of multi of thermal source in the middle of the horizontally disposed effect merging of the utility model.
Among the figure: driving heat source import 1, vaporizer heat-exchanging tube bundle steam side 2, fresh water connecting leg 3 condenses, 1st effective evaporator 4, vaporizer heat-exchanging tube bundle seawater side 5, liquid-blocking device 6, concentrated seawater connecting leg 7,2nd effect evaporator 8, triple-effect evaporator 9, quadruple effect evaporator 10, concentrated seawater outlet pipe 11, water outlet pipe 12, sea intake 13, non-condensable gases relief outlet 14, condenser 15, cooled with seawater water relief outlet 16, vaporizer sea intake arm 17, vaporizer spray equipment 18, vaporizer heat-exchanging tube bundle 19, main cylinder 20.
Embodiment
(being quadruple effect among the figure) as shown in Figure 2, horizontally disposed one effect distillation seawater desalinating device of multi that advances thermal source in the middle of imitate merging that the utility model is related, mainly by main cylinder 20, be arranged at multi-effect seawater desalination evaporator assembly, the condenser 15 in the main cylinder 20 and driving heat source import and the external pipeline system that is arranged on the main cylinder 20 formed.Described main cylinder 20 is arranged in horizontal direction, described multi-effect seawater desalination evaporator assembly includes a 1st effective evaporator 4, two 2nd effect evaporators 8, two triple-effect evaporators 9, two quadruple effect evaporators 10 and liquid-blocking device 6 and vaporizer spray equipments 18, wherein 1st effective evaporator 4 is arranged at the centre of main cylinder 20, two 2nd effect evaporators 8 are arranged at the right and left of 1st effective evaporator 4 respectively, all the other each single-effect evaporators and the like.A 1st effective evaporator 4 that is the multi-effect seawater desalination evaporator assembly is arranged in the middle of the main cylinder 20, and two quadruple effect evaporators 10 are arranged in the position at close main cylinder 20 two ends.Described liquid-blocking device 6 has four, each liquid-blocking device 6 is arranged between the adjacent two-effect evaporation device, described vaporizer spray equipment 18 also has four, and four vaporizer spray equipments 18 are separately positioned on the top of each corresponding single-effect evaporator, and the import of four vaporizer spray equipments 18 all connects seawater.Described condenser 15 has two, and two condensers 15 are arranged at the top two ends of main cylinder 20 respectively.Condenser 15 imports connect sea intake 13, condenser 15 outlets are divided into two tunnel shuntings, one the tunnel enters the sea as water coolant by cooled with seawater water relief outlet 16, and another road connects each spray equipment 18 of two multi-effect seawater desalination evaporator assemblies by vaporizer sea intake arm 17.Be introduced in each effect of vaporizer through each vaporizer.Driving heat source import 1 is arranged on the centre of main cylinder 20, product water pot between each single-effect evaporator links to each other by the fresh water connecting leg 3 that condenses, the concentrated seawater of each single-effect evaporator bottom links to each other by concentrated seawater connecting leg 7, and the quadruple effect product water pot of two multi-effect seawater desalination evaporator assemblies is together incorporated water outlet pipe 12 into by connecting pipeline.The concentrated seawater of the quadruple effect evaporator bottom of two multi-effect seawater desalination evaporator assemblies is also together incorporated concentrated seawater outlet pipe 11 into by connecting pipeline.
Such scheme is applicable to horizontally disposed horizontal pipe falling film evaporation device or vertical tube falling-film evaporator, condenser can be incorporated into together, also can be divided into two, the circulation of seawater between each is imitated can be parallel connection, series connection, series-parallel connection, the heating thermal source can be multiple thermals source such as steam, hot water, sun power, can be with multiple patterns such as thermo compression, absorption heat pump or L.P.T..
Claims (8)
1, advances the effect distillation seawater desalinating device of multi of thermal source in the middle of an a kind of horizontally disposed effect merges, include main cylinder (20), be arranged at the multi-effect seawater desalination evaporator assembly in the main cylinder (20) and be arranged at driving heat source import (1) on the main cylinder (20), described main cylinder (20) is arranged in horizontal direction, be it is characterized in that:
Described multi-effect seawater desalination evaporator assembly includes a 1st effective evaporator (4), two 2nd effect evaporators (8),------two N single-effect evaporators (10) and liquid-blocking device (6) and vaporizer spray equipment (18), wherein 1st effective evaporator (4) is arranged at the centre of main cylinder (20), two 2nd effect evaporators (8) are arranged at the right and left of 1st effective evaporator (4) respectively, all the other each single-effect evaporators and the like
Described liquid-blocking device (6) has a plurality of, and each liquid-blocking device (6) is arranged between the adjacent two-effect evaporation device,
Described vaporizer spray equipment (18) also has a plurality of, and a plurality of vaporizer spray equipments (18) are separately positioned on the top of each corresponding single-effect evaporator, and the import of vaporizer spray equipment (18) connects seawater,
Described driving heat source import (1) is arranged on the centre of main cylinder (20).
2, advance the effect distillation seawater desalinating device of multi of thermal source in the middle of an a kind of horizontally disposed effect according to claim 1 merges, it is characterized in that: the import of described vaporizer spray equipment (18) links to each other with condenser (15) outlet, and condenser (15) import connects seawater.
3, advance the effect distillation seawater desalinating device of multi of thermal source in the middle of an a kind of horizontally disposed effect according to claim 2 merges, it is characterized in that: described condenser (15) has one or more.
4, advance the effect distillation seawater desalinating device of multi of thermal source in the middle of an a kind of horizontally disposed effect according to claim 3 merges, it is characterized in that: described condenser (15) is arranged at the top of main cylinder (20).
5, advance the effect distillation seawater desalinating device of multi of thermal source in the middle of an a kind of horizontally disposed effect according to claim 4 merges, it is characterized in that: described condenser (15) is arranged at the crown center or the top two ends of main cylinder (20).
6, according to the effect distillation seawater desalinating device of multi that advances thermal source in the middle of one of them described horizontally disposed effect merging of claim 1～5, it is characterized in that: each single-effect evaporator of described multi-effect seawater desalination evaporator assembly adopts horizontally disposed horizontal pipe falling film evaporation device or vertical tube falling-film evaporator.
7, according to the effect distillation seawater desalinating device of multi that advances thermal source in the middle of one of them described a kind of horizontally disposed effect merging of claim 1～5, it is characterized in that: the circulation of seawater between each single-effect evaporator is parallel connection, series connection or series-parallel connection.
8, according to the effect distillation seawater desalinating device of multi that advances thermal source in the middle of one of them described a kind of horizontally disposed effect merging of claim 1～5, it is characterized in that: described driving heat source is steam, hot water or sun power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200305654U CN201169542Y (en) | 2008-01-07 | 2008-01-07 | Multiple-effect distillation sea water desalting apparatus for horizontally arranging one effect combining middle heat inlet source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200305654U CN201169542Y (en) | 2008-01-07 | 2008-01-07 | Multiple-effect distillation sea water desalting apparatus for horizontally arranging one effect combining middle heat inlet source |
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| CN201169542Y true CN201169542Y (en) | 2008-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200305654U Expired - Fee Related CN201169542Y (en) | 2008-01-07 | 2008-01-07 | Multiple-effect distillation sea water desalting apparatus for horizontally arranging one effect combining middle heat inlet source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205993A (en) * | 2011-03-18 | 2011-10-05 | 清华大学 | Adverse current closed type multistage seawater desalination system and method |
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2008
- 2008-01-07 CN CNU2008200305654U patent/CN201169542Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205993A (en) * | 2011-03-18 | 2011-10-05 | 清华大学 | Adverse current closed type multistage seawater desalination system and method |
| CN102205993B (en) * | 2011-03-18 | 2013-02-13 | 清华大学 | Adverse current closed type multistage seawater desalination system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHUANGLIANG ECO-ENERGEY SYSTEMS CO.,LTD. Free format text: FORMER OWNER: SHUANGLIANG AIR CONDITIONING EQUIPMENT CO LTD, JIANGSU Effective date: 20100910 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100910 Address after: 214444 Jiangsu city of Jiangyin Province Li Town Road No. 1 West Patentee after: Shuangliang Energy Saving System Co., Ltd. Address before: 214444 Jiangsu city of Jiangyin Province Li Town Road No. 1 West Patentee before: Shuangliang Air Conditioning Equipment Co., Ltd., Jiangsu |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081224 Termination date: 20160107 |