CN110217847A - A kind of small-sized Flash Type desalination plant - Google Patents
A kind of small-sized Flash Type desalination plant Download PDFInfo
- Publication number
- CN110217847A CN110217847A CN201910679912.9A CN201910679912A CN110217847A CN 110217847 A CN110217847 A CN 110217847A CN 201910679912 A CN201910679912 A CN 201910679912A CN 110217847 A CN110217847 A CN 110217847A
- Authority
- CN
- China
- Prior art keywords
- adapter tube
- vacuum tank
- small
- desalination plant
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 32
- 238000009833 condensation Methods 0.000 claims abstract description 18
- 230000005494 condensation Effects 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000007701 flash-distillation Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000013535 sea water Substances 0.000 abstract description 17
- 238000011033 desalting Methods 0.000 abstract description 4
- 239000013505 freshwater Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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
- C02F1/06—Flash evaporation
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A kind of small-sized Flash Type desalination plant, it is related to a kind of desalination plant, and in particular to a kind of small-sized Flash Type desalination plant.Structure is complicated, volume is larger in order to solve the problem of existing Flash Type desalination plant is not suitable for small-sized yield sea water desalination demand by the present invention.The present invention includes vacuum tank and cover board, cover board is horizontally set on the top in vacuum tank, the invention also includes tube sheet, internal condensation device, the first adapter tube, the second adapter tube, guiding subassembly third adapter tube and multiple heat exchanger tubes, cover board, tube sheet, internal condensation device are from top to bottom sequentially arranged in vacuum tank, multiple heat exchanger tubes are fixedly mounted on tube sheet, internal condensation device is connect with the guiding subassembly, first adapter tube is mounted on the lower part of vacuum tank lateral wall, second adapter tube is mounted on the lower surface of vacuum tank, and third adapter tube is mounted on the upper surface of vacuum tank.The invention belongs to sea water desalting equipment fields.
Description
Technical field
The present invention relates to a kind of desalination plants, and in particular to a kind of small-sized Flash Type desalination plant belongs to sea
Water desalting plant field.
Background technique
The United Nations expert estimation, the earth has hundred million people of 10-15 to lack drinking water, more areas or countries will due to water shortage face
Face the problem of reducing development speed and quality of life.China coast city freshwater resources lack the problem of more and more urgent, state
The huge notch of family continuous take various measures to make up shortage of fresh water and rapid economic development.At this stage, the south water to north
The expansion of engineering, has caused the dispute of many experts and scholars, and engineering is faced with very big test.As coastal cities, seat is gathered around rich
Rich seawater resources, should more make full use of seawater, using sea water desalination as one of the important channel for solving fresh water shortage.
So far method for desalting seawater has had tens of kinds, and multistage flash vaporization is the most mature method of yield maximum and technology.
Water is heated to just be boiled into steam at 100 DEG C or so under conventional air pressure, if making the seawater by suitably heating, into true
Empty or close vacuum distillation room, will rapidly be evaporated to steam in moment.Multistage evaporation is exactly to allow the seawater after heating multiple
It is evaporated in concatenated evaporator, heat source of the steam that previous evaporator is evaporated as next evaporator, and condensation becomes
Fresh water.The method mainly with thermal power station's collaborative building, is suitable for large-scale and ultra-large type desalting plant more.
Summary of the invention
The present invention is that structure is complicated, volume is larger for the existing Flash Type desalination plant of solution, is not suitable for small-sized yield sea
Water desalinates the problem of demand, and then proposes a kind of small-sized Flash Type desalination plant.
The technical solution adopted by the present invention to solve the above problem is as follows: the present invention includes vacuum tank and cover board, cover board water
The flat top being arranged in vacuum tank, the invention also includes tube sheet, internal condensation device, the first adapter tube, the second adapter tubes, diversion group
Part third adapter tube and multiple heat exchanger tubes, cover board, tube sheet, internal condensation device are from top to bottom sequentially arranged in vacuum tank, multiple
Heat exchanger tube is fixedly mounted on tube sheet, and internal condensation device is connect with the guiding subassembly, and the first adapter tube is mounted on outside vacuum tank
The lower part of side wall, the second adapter tube are mounted on the lower surface of vacuum tank, and third adapter tube is mounted on the upper surface of vacuum tank.
Further, the guiding subassembly includes elbow, diversion pipe and water conservancy diversion adapter tube, and the upper end and inside of water conservancy diversion adapter tube are cold
The lower end of condenser connection, water conservancy diversion adapter tube is connected by one end of elbow and diversion pipe.
Further, the invention also includes the 4th adapter tube and upper guard-plate, the middle part of cover board upper surface is logical equipped with strip
Hole, in long stripes through hole, the 4th adapter tube is mounted on the upper surface of upper guard-plate upper guard-plate spiral-lock.
Further, upper guard-plate is the semicylinder of boring, two side straight flanges of the semicylinder respectively with
Two long straight flanges of long stripes through hole are fixedly connected.
Further, the edge of cover board and the inner wall of vacuum tank link together by welding.
Further, multiple heat exchanger tubes are mounted on tube sheet in rectangular.
Further, each heat exchanger tube is mounted on tube sheet by way of expanded joint.
The beneficial effects of the present invention are: the configuration of the present invention is simple, input cost is low, and sea water desalination effect is good, by multiple
It is more preferable to invent the using effect that is cascaded；The present invention is safe and reliable, and convenient for control, safety in operation is high；The present invention can expire
The sea water desalination demand of the small-sized yield of foot；The present invention has higher peace for the not too much high seawater desalination system of throughput requirements
Overall coefficient, and the apparatus structure is simple, manufacturing process is convenient, is conducive to promote.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is side view of the invention.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of small-sized flash distillation described in present embodiment in conjunction with Fig. 1 and Fig. 2
Formula desalination plant, it includes vacuum tank 1 and cover board 2, and cover board 2 is horizontally set on the top in vacuum tank 1, this implementation
Mode further includes tube sheet 3, internal condensation device 4, the first adapter tube 5, the second adapter tube 6, guiding subassembly third adapter tube 11 and multiple heat exchange
Pipe 10, cover board 2, tube sheet 3, internal condensation device 4 are from top to bottom sequentially arranged in vacuum tank 1, the fixed peace of multiple heat exchanger tubes 10
On tube sheet 3, internal condensation device 4 is connect with the guiding subassembly, and the first adapter tube 5 is mounted under 1 lateral wall of vacuum tank
Portion, the second adapter tube 6 are mounted on the lower surface of vacuum tank 1, and third adapter tube 11 is mounted on the upper surface of vacuum tank 1.
The first adapter tube 5, the second adapter tube 6, third adapter tube 11 are embedded adapter tube in present embodiment, and are held with vacuum
Device 1 is welded to connect.
4 longitudinal cross-section of internal condensation device is elliptical half, and transversal cross-section is gradually reduced from centre to both ends width
Shape, internal condensation device 4 are welded with tube sheet 3 and vacuum tank 1 respectively；4 lower end of internal condensation device and water conservancy diversion adapter tube 9 weld, and lead
Adapter tube 9 is flowed successively to be welded to connect with elbow 7 and diversion pipe 8 again.
Specific embodiment 2: illustrating present embodiment, a kind of small-sized flash distillation described in present embodiment in conjunction with Fig. 1 and Fig. 2
The guiding subassembly of formula desalination plant includes elbow 7, diversion pipe 8 and water conservancy diversion adapter tube 9, and the upper end and inside of water conservancy diversion adapter tube 9 are cold
Condenser 4 connects, and the lower end of water conservancy diversion adapter tube 9 is connect by elbow 7 with one end of diversion pipe 8.Other compositions and connection relationship and tool
Body embodiment one is identical.
Specific embodiment 3: illustrating present embodiment, a kind of small-sized flash distillation described in present embodiment in conjunction with Fig. 1 and Fig. 2
Formula desalination plant further includes the 4th adapter tube 12 and upper guard-plate 13, and the middle part of 2 upper surface of cover board is equipped with long stripes through hole 2-
1, on long stripes through hole 2-1, the 4th adapter tube 12 is mounted on the upper surface of upper guard-plate 13 13 spiral-lock of upper guard-plate.Other groups
At and connection relationship it is same as the specific embodiment one.
Specific embodiment 4: illustrating present embodiment, a kind of small-sized flash distillation described in present embodiment in conjunction with Fig. 1 and Fig. 2
The upper guard-plate 13 of formula desalination plant is the semicylinder of boring, two side straight flanges of the semicylinder respectively with
Two long straight flanges of long stripes through hole 2-1 are fixedly connected.Other compositions and connection relationship are the same as the specific implementation mode 3.
Specific embodiment 5: illustrating present embodiment, a kind of small-sized flash distillation described in present embodiment in conjunction with Fig. 1 and Fig. 2
The edge of the cover board 1 of formula desalination plant links together by welding with the inner wall of vacuum tank 1.Other compositions
And connection relationship is same as the specific embodiment one.
Specific embodiment 6: illustrating present embodiment, a kind of small-sized flash distillation described in present embodiment in conjunction with Fig. 1 and Fig. 2
Multiple heat exchanger tubes 10 of formula desalination plant are mounted on tube sheet 3 in rectangular.Other compositions and connection relationship and specific reality
It is identical to apply mode one.
Specific embodiment 7: illustrating present embodiment, a kind of small-sized flash distillation described in present embodiment in conjunction with Fig. 1 and Fig. 2
Each heat exchanger tube 10 of formula desalination plant is mounted on tube sheet 3 by way of expanded joint.It is other composition and connection relationship with
Specific embodiment one is identical.
Working principle
It is vacuum environment inside vacuum tank 1, seawater is entered in vacuum tank 1 by the first adapter tube 5, since pressure is prominent
It so reduces, the water in seawater will be flashed in moment, and the steam after flash distillation can be mobile toward the lower top of pressure rapidly, in cover board
It enters tube bundle region under 2 barrier action to exchange heat with the cold medium in heat exchanger tube, the steam liquefied after heat exchange is water, in weight
It is dropped under the action of power in the high internal condensation device 4 in intermediate low both ends, then in turn through water conservancy diversion adapter tube 9, elbow 7, water conservancy diversion
Pipe 8 finally carries out the collection of fresh water in end.If expecting the higher fresh water of purity, multistage flash distillation structure, end can be used
The fresh water that end is collected is injected into the vacuum tank 1 of next stage arrangement as the initial soln of next stage Flash Type desalination plant
In, so sequentially carry out.
The form of upper guard-plate 13 and internal condensation device 4 will be conducive to the heat exchange of steam and cold medium and the collection of fresh water.
Upper guard-plate 13 is connected with the 4th adapter tube 12 and third adapter tube 11 respectively with the top of vacuum tank 1, by taking in third
It is constantly vacuumized at 11, so that the upper pressure in vacuum tank 1 is consistently lower than low pressure, to maintain the steaming after flash distillation
Vapour is constantly up spread under differential pressure action.
1 bottom end of vacuum tank is connected to the second adapter tube 6, serves unrestrained, and seawater is by the first adapter tube 5 constantly into vacuum
In container 1, after water is by flash distillation, the seawater that residual concentration is got higher constantly is gathered in the bottom of vacuum tank 1, works as vacuum tank
When liquid level in 1 reaches a certain value, liquid is discharged by the second adapter tube 6.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above are modified or are modified
For the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention, according to the technical essence of the invention,
Within the spirit and principles in the present invention, any simple modifications, equivalent substitutions and improvements to the above embodiments etc., still
Belong within the protection scope of technical solution of the present invention.
Claims (7)
1. a kind of small-sized Flash Type desalination plant, it includes vacuum tank (1) and cover board (2), and cover board (2) is horizontally set on
Top in vacuum tank (1), it is characterised in that: a kind of small-sized Flash Type desalination plant further includes tube sheet (3), interior
Portion's condenser (4), the first adapter tube (5), the second adapter tube (6), guiding subassembly third adapter tube (11) and multiple heat exchanger tubes (10), cover board
(2), tube sheet (3), internal condensation device (4) are from top to bottom sequentially arranged in vacuum tank (1), the fixed peace of multiple heat exchanger tubes (10)
On tube sheet (3), internal condensation device (4) is connect with the guiding subassembly, and the first adapter tube (5) is mounted on vacuum tank (1) outside
The lower part of side wall, the second adapter tube (6) are mounted on the lower surface of vacuum tank (1), and third adapter tube (11) is mounted on vacuum tank (1)
Upper surface on.
2. a kind of small-sized Flash Type desalination plant according to claim 1, it is characterised in that: the guiding subassembly includes
Elbow (7), diversion pipe (8) and water conservancy diversion adapter tube (9), the upper end of water conservancy diversion adapter tube (9) are connect with internal condensation device (4), water conservancy diversion adapter tube
(9) lower end is connect by elbow (7) with one end of diversion pipe (8).
3. a kind of small-sized Flash Type desalination plant according to claim 1, it is characterised in that: a kind of small-sized flash distillation
Formula desalination plant further includes the 4th adapter tube (12) and upper guard-plate (13), and the middle part of cover board (2) upper surface is equipped with strip
Through-hole (2-1), for upper guard-plate (13) spiral-lock on long stripes through hole (2-1), the 4th adapter tube (12) is mounted on upper guard-plate (13)
Upper surface on.
4. a kind of small-sized Flash Type desalination plant according to claim 3, it is characterised in that: upper guard-plate (13) is interior
The hollow semicylinder in portion, two side straight flanges of the semicylinder are solid with two long straight flanges of long stripes through hole (2-1) respectively
Fixed connection.
5. a kind of small-sized Flash Type desalination plant according to claim 1, it is characterised in that: the edge of cover board (1) with
The inner wall of vacuum tank (1) links together by welding.
6. a kind of small-sized Flash Type desalination plant according to claim 1, it is characterised in that: multiple heat exchanger tubes (10) are in
It is rectangular to be mounted on tube sheet (3).
7. a kind of small-sized Flash Type desalination plant according to claim 1, it is characterised in that: each heat exchanger tube (10) is logical
The mode for crossing expanded joint is mounted on tube sheet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679912.9A CN110217847A (en) | 2019-07-26 | 2019-07-26 | A kind of small-sized Flash Type desalination plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679912.9A CN110217847A (en) | 2019-07-26 | 2019-07-26 | A kind of small-sized Flash Type desalination plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110217847A true CN110217847A (en) | 2019-09-10 |
Family
ID=67812652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910679912.9A Withdrawn CN110217847A (en) | 2019-07-26 | 2019-07-26 | A kind of small-sized Flash Type desalination plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110217847A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005185988A (en) * | 2003-12-26 | 2005-07-14 | Xenesys Inc | Seawater desalination system |
| KR20110059241A (en) * | 2009-11-27 | 2011-06-02 | 대원열판(주) | Vacuum Evaporator with Ultrasonic Vibrator |
| CN102765770A (en) * | 2012-08-06 | 2012-11-07 | 集美大学 | Efficient machine for desalting sea water |
| CN103058302A (en) * | 2013-01-21 | 2013-04-24 | 杭州华达喷射真空设备有限公司 | Integrated solar seawater self-circulation desalting device and self-circulation desalting method |
| JP2013166141A (en) * | 2012-01-16 | 2013-08-29 | Sasakura Engineering Co Ltd | Vacuum evaporation type fresh water generator |
| CN106629948A (en) * | 2017-01-18 | 2017-05-10 | 河海大学 | Condenser for chimney type solar electricity generating and seawater desalting device |
| CN210214858U (en) * | 2019-07-26 | 2020-03-31 | 哈尔滨汽轮机厂辅机工程有限公司 | Small flash evaporation type seawater desalination device |
-
2019
- 2019-07-26 CN CN201910679912.9A patent/CN110217847A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005185988A (en) * | 2003-12-26 | 2005-07-14 | Xenesys Inc | Seawater desalination system |
| KR20110059241A (en) * | 2009-11-27 | 2011-06-02 | 대원열판(주) | Vacuum Evaporator with Ultrasonic Vibrator |
| JP2013166141A (en) * | 2012-01-16 | 2013-08-29 | Sasakura Engineering Co Ltd | Vacuum evaporation type fresh water generator |
| CN102765770A (en) * | 2012-08-06 | 2012-11-07 | 集美大学 | Efficient machine for desalting sea water |
| CN103058302A (en) * | 2013-01-21 | 2013-04-24 | 杭州华达喷射真空设备有限公司 | Integrated solar seawater self-circulation desalting device and self-circulation desalting method |
| CN106629948A (en) * | 2017-01-18 | 2017-05-10 | 河海大学 | Condenser for chimney type solar electricity generating and seawater desalting device |
| CN210214858U (en) * | 2019-07-26 | 2020-03-31 | 哈尔滨汽轮机厂辅机工程有限公司 | Small flash evaporation type seawater desalination device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190910 |