CN207827903U - A kind of marine seawater desalination system of high waste heat utilization - Google Patents
A kind of marine seawater desalination system of high waste heat utilization Download PDFInfo
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- CN207827903U CN207827903U CN201721582856.XU CN201721582856U CN207827903U CN 207827903 U CN207827903 U CN 207827903U CN 201721582856 U CN201721582856 U CN 201721582856U CN 207827903 U CN207827903 U CN 207827903U
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- condenser
- temperature
- cryogenic vaporizer
- water pump
- steam jet
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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 discloses a kind of marine seawater desalination systems of high waste heat utilization, including high-temperature evaporator, cryogenic vaporizer, steam jet ejector, condenser, jet pump, sea water pump and fresh water pump；High-temperature evaporator is connect with condenser and steam jet ejector respectively, and the evaporating temperature of high-temperature evaporator is 40 DEG C~70 DEG C；Cryogenic vaporizer is connect with condenser and steam jet ejector respectively, and the evaporating temperature of cryogenic vaporizer is 10 DEG C~25 DEG C；Condenser is connect with jet pump, cryogenic vaporizer, high-temperature evaporator, sea water pump and fresh water pump respectively.The utility model increases a steam jet ejector and cryogenic vaporizer, can improve the water yield of desalination plant unit waste heat.Experiment proves that water yield increases ratio and reaches 50%~150%.It is 50 DEG C~80 DEG C that the heat source temperature of steam jet ejector is driven in the utility model, and for driving the heat source temperature of steam jet ejector lower, available excess heat is bigger, and the range used is more extensive.
Description
Technical field
The utility model belongs to field of sea water desalting technology, especially marine desalination equipment.
Background technology
Marine sea water desalting method mainly has：Hyperfiltration and vacuum boiling method.Hyperfiltration have device structure it is simple,
The features such as suitable for minimizing.But since high reverse osmosis membrane initialization expense and system operation maintenance cost make reverse osmosis side
The application of method receives certain limitation.Currently, aboard ship most desalination plants are light using vacuum boiling type seawater
Makeup is set, it is using various ship waste heat drivens.But its water yield is limited by available waste heat total amount.
Utility model content
To solve the above problem of the existing technology, the utility model will design a kind of production that can improve unit waste heat
Water, to further increase fresh water yield high waste heat utilization marine seawater desalination system.
To achieve the goals above, the technical solution of the utility model is as follows：A kind of seawater peculiar to vessel of high waste heat utilization
Desalination system, including high-temperature evaporator, cryogenic vaporizer, steam jet ejector, condenser, jet pump, sea water pump and fresh water pump；
The high-temperature evaporator is connect with condenser, steam jet ejector and check valve a respectively by pipeline, high-temperature evaporator
Ranging from 40 DEG C~70 DEG C of evaporating temperature；
Heat exchanger tube in the high-temperature evaporator is connect with ship waste heat piping；
The cryogenic vaporizer is connect with condenser, solenoid valve c, steam jet ejector and check valve b respectively by pipeline,
Ranging from 10 DEG C~25 DEG C of the evaporating temperature of cryogenic vaporizer；
Heat exchanger tube in the cryogenic vaporizer is connect with steam jet ejector, solenoid valve a and solenoid valve b respectively；
Mounting temperature sensor b at the top of the cryogenic vaporizer；
The condenser by pipeline respectively with jet pump, cryogenic vaporizer, high-temperature evaporator, check valve c, solenoid valve a,
Solenoid valve c, sea water pump are connected with fresh water pump；
Mounting temperature sensor a on pipeline between the condenser and sea water pump；
The jet pump is connect with condenser, check valve a, check valve b and check valve c respectively by pipeline；
The fresh water pump is connect with solenoid valve b and condenser respectively by pipeline.
Further, the ratio of the area and area of nozzle throat of the steam jet ejector throat is 4~10.
Compared with prior art, the utility model has the advantages that：
1, since the utility model increases a steam jet ejector on the basis of vacuum boiling type desalination plant
And cryogenic vaporizer, vacuum boiling type desalination plant water yield can be further increased.It is proved by testing, water yield increases
Ratio is added to reach 50%~150%.
2, it can be 50 DEG C~80 DEG C that the heat source temperature of steam jet ejector is driven in the utility model, for driving steam to spray
The heat source temperature of emitter is lower, and utilizable excess heat is bigger, and the range used is more extensive.
3, due to ranging from 10 DEG C~25 DEG C of the evaporating temperature of cryogenic vaporizer in the utility model so that cryogenic vaporizer
Middle fouling mitigates.
Description of the drawings
The utility model only has attached drawing 1 and opens, wherein：
Fig. 1 is the composition schematic diagram of the utility model.
In figure：1, high-temperature evaporator, 2, cryogenic vaporizer, 3, steam jet ejector, 4, condenser, 5, jet pump, 6, seawater
Pump, 7, fresh water pump, 8, check valve a, 9, check valve b, 10, check valve c, 11, solenoid valve a, 12, solenoid valve b, 13, solenoid valve c,
14, temperature sensor a, 15, temperature sensor b.
Specific implementation mode
The utility model is further elaborated by following example.As shown in Figure 1, a kind of 1, high Waste Heat Reuse
The marine seawater desalination system of rate, it is characterised in that：Including high-temperature evaporator 1, cryogenic vaporizer 2, steam jet ejector 3, condensation
Device 4, jet pump 5, sea water pump 6 and fresh water pump 7；
The high-temperature evaporator 1 is connect with condenser 4, steam jet ejector 3 and check valve a8 respectively by pipeline, and high temperature steams
Send out ranging from 40 DEG C~70 DEG C of the evaporating temperature of device 1；
Heat exchanger tube in the high-temperature evaporator 1 is connect with ship waste heat piping；
The cryogenic vaporizer 2 by pipeline respectively with condenser 4, solenoid valve c13, steam jet ejector 3 and check valve b9
Connection, ranging from 10 DEG C~25 DEG C of the evaporating temperature of cryogenic vaporizer 2；
Heat exchanger tube in the cryogenic vaporizer 2 is connect with steam jet ejector 3, solenoid valve a11 and solenoid valve b12 respectively；
2 top mounting temperature sensor b15 of the cryogenic vaporizer；
The condenser 4 by pipeline respectively with jet pump 5, cryogenic vaporizer 2, high-temperature evaporator 1, check valve c10, electricity
Magnet valve a11, solenoid valve c13, sea water pump 6 and fresh water pump 7 connect；
Mounting temperature sensor a14 on pipeline between the condenser 4 and sea water pump 6；
The jet pump 5 is connect with condenser 4, check valve a8, check valve b9 and check valve c10 respectively by pipeline；
The fresh water pump 7 is connect with solenoid valve b12 and condenser 4 respectively by pipeline.
Further, the ratio of the area and area of nozzle throat of 3 throat of the steam jet ejector is 4~10.
The utility model specific work process has the following two kinds operational mode：
Pattern one：When the seawater inflow temperature that temperature sensor a14 is measured is higher than temperature sensor on cryogenic vaporizer 2
When the evaporating temperature that b15 is measured, solenoid valve a11 is opened, and solenoid valve b12 and solenoid valve c13 are closed.Seawater is pumped into through sea water pump 6
Condenser, for condensing water vapour.After condensed device 4, seawater respectively enters high-temperature evaporator 1 by pipeline, low temperature steams
Device 2 and jet pump 5 are sent out, also seawater is vented directly to outboard all the way.Jet pump 5 generates vacuum under the driving of seawater, passes through
Condenser 4 connects check valve a10 and the air in system is discharged, the vacuum degree required to make system reach；In addition jet pump 5
Concentrated seawater in high-temperature evaporator 1 and cryogenic vaporizer 2 can also be expelled to the side of a ship by check valve a8 and check valve b9 respectively
Outside.In addition two-way seawater respectively enters heating evaporation in high-temperature evaporator 1 and cryogenic vaporizer 2.It is utilized in high-temperature evaporator 1
Ship waste heat is heated, and part seawater is become water vapour for driving steam jet ejector 3.In the effect of steam jet ejector 3
Under, the evaporation of seawater in cryogenic vaporizer 2 enters at water vapour in steam jet ejector 3.From high-temperature evaporator 1 and low-temperature evaporation
The steam of device 2 is mixed in the inside of steam jet ejector 3, and mixed steam enters the heat exchanger pair in cryogenic vaporizer 2
Seawater is heated in cryogenic vaporizer 2, while part mixed vapour is condensed into liquid.Then entered by solenoid valve a11 cold
4 total condensation of condenser is at liquid.It is pumped to fresh water tank finally by fresh water pump 7.
Pattern two：When the seawater inflow temperature that temperature sensor a14 is measured is less than temperature sensor on cryogenic vaporizer 2
When the evaporating temperature that b15 is measured, solenoid valve a11 is closed, and solenoid valve b12 and solenoid valve c13 are opened.Seawater is pumped into through sea water pump 6
Condenser, for condensing water vapour.After condensed device 4, seawater respectively enters high-temperature evaporator 1 by pipeline, low temperature steams
Device 2 and jet pump 5 are sent out, also seawater is vented directly to outboard all the way.Jet pump 5 generates vacuum under the driving of seawater, passes through
Condenser 4 connects check valve a10 and the air in system is discharged, the vacuum degree required to make system reach；In addition jet pump 5
Concentrated seawater in high-temperature evaporator 1 and cryogenic vaporizer 2 can also be expelled to the side of a ship by check valve a8 and check valve b9 respectively
Outside.In addition two-way seawater respectively enters heating evaporation in high-temperature evaporator 1 and cryogenic vaporizer 2.It is utilized in high-temperature evaporator 1
Ship waste heat is heated, and part seawater is become water vapour for driving steam jet ejector 3.In the effect of steam jet ejector 3
Under, the evaporation of seawater in cryogenic vaporizer 2 enters at water vapour in steam jet ejector 3.From high-temperature evaporator 1 and low-temperature evaporation
The steam of device 2 is mixed in the inside of steam jet ejector 3, and mixed steam enters the heat exchanger pair in cryogenic vaporizer 2
Seawater is heated in cryogenic vaporizer 2, and mixed vapour is condensed into liquid.Generated fresh water is by solenoid valve b12 by fresh water
Pump 7 is pumped to fresh water tank.In cryogenic vaporizer 2, seawater by the mixed vapour heating evaporation of steam jet ejector 3 at water vapour,
A part of water vapour enters in steam jet ejector 3, and another part water vapour, which is entered by solenoid valve c13 in condenser 4, to be condensed into
Liquid.The liquid condensed in condenser 4 is pumped to fresh water tank by fresh water pump 7.
Although the foregoing describe specific embodiment of the present utility model, it should be appreciated by those skilled in the art that
These are merely examples, numerous variations and modification can be made to the embodiment in the utility model, without departing from this reality
With novel principle and essence.
Claims (2)
1. a kind of marine seawater desalination system of high waste heat utilization, it is characterised in that：It is steamed including high-temperature evaporator (1), low temperature
Send out device (2), steam jet ejector (3), condenser (4), jet pump (5), sea water pump (6) and fresh water pump (7)；
The high-temperature evaporator (1) is connect with condenser (4), steam jet ejector (3) and check valve a (8) respectively by pipeline, high
Ranging from 40 DEG C~70 DEG C of the evaporating temperature of warm evaporator (1)；
Heat exchanger tube in the high-temperature evaporator (1) is connect with ship waste heat piping；
The cryogenic vaporizer (2) by pipeline respectively with condenser (4), solenoid valve c (13), steam jet ejector (3) and unidirectional
Valve b (9) connections, ranging from 10 DEG C~25 DEG C of the evaporating temperature of cryogenic vaporizer (2)；
Heat exchanger tube in the cryogenic vaporizer (2) connects with steam jet ejector (3), solenoid valve a (11) and solenoid valve b (12) respectively
It connects；
Mounting temperature sensor b (15) at the top of the cryogenic vaporizer (2)；
The condenser (4) by pipeline respectively with jet pump (5), cryogenic vaporizer (2), high-temperature evaporator (1), check valve c
(10), solenoid valve a (11), solenoid valve c (13), sea water pump (6) and fresh water pump (7) connection；
Mounting temperature sensor a (14) on pipeline between the condenser (4) and sea water pump (6)；
The jet pump (5) is connected with condenser (4), check valve a (8), check valve b (9) and check valve c (10) respectively by pipeline
It connects；
The fresh water pump (7) is connect with solenoid valve b (12) and condenser (4) respectively by pipeline.
2. a kind of marine seawater desalination system of high waste heat utilization according to claim 1, it is characterised in that：The steaming
The area of vapour injector (3) throat and the ratio of area of nozzle throat are 4~10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721582856.XU CN207827903U (en) | 2017-11-23 | 2017-11-23 | A kind of marine seawater desalination system of high waste heat utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721582856.XU CN207827903U (en) | 2017-11-23 | 2017-11-23 | A kind of marine seawater desalination system of high waste heat utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207827903U true CN207827903U (en) | 2018-09-07 |
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ID=63386650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721582856.XU Active CN207827903U (en) | 2017-11-23 | 2017-11-23 | A kind of marine seawater desalination system of high waste heat utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207827903U (en) |
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2017
- 2017-11-23 CN CN201721582856.XU patent/CN207827903U/en active Active
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