CN208561751U - A kind of evaporation-type seawater desalination system using engine of boat and ship waste heat - Google Patents
A kind of evaporation-type seawater desalination system using engine of boat and ship waste heat Download PDFInfo
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- CN208561751U CN208561751U CN201821137908.7U CN201821137908U CN208561751U CN 208561751 U CN208561751 U CN 208561751U CN 201821137908 U CN201821137908 U CN 201821137908U CN 208561751 U CN208561751 U CN 208561751U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Abstract
The utility model discloses a kind of evaporation-type seawater desalination system using engine of boat and ship waste heat, the system includes cylinder sleeve water- to-water heat exchanger, level-one vaporization chamber, condenser and the first sea water pump；Air inlet and exhaust outlet are set on level-one vaporization chamber, seawater spraying device is set in level-one vaporization chamber, collecting tank is set in the bottom of level-one vaporization chamber, discharge outlet is set in the bottom of collecting tank；Air inlet and exhaust outlet are set on condenser, and collecting tank is arranged in the bottom of condenser in the installation condensation tube bank in condenser, and fresh water discharge outlet is arranged in the bottom of collecting tank.Seawater desalination system disclosed in the utility model has the characteristics that simple water generation ratio high, system structure and method flow, convenient operating maintenance, at low cost.Humidifying-dehumidifying method for desalting seawater and engine of boat and ship circulating cooling water cooling system are integrated, engine of boat and ship recirculated cooling water sensible heat is recycled using cylinder sleeve water- to-water heat exchanger, most of heat needed for obtaining evaporation seawater, to improve ship energy utilization efficiency, reduce the thermal pollution that be discharged into ocean and atmosphere originally, economic benefit and environmental benefit are significant.
Description
Technical field
The utility model belongs to field of seawater desalination, in particular to one of field utilizes engine of boat and ship waste heat
Evaporation-type seawater desalination system.
Background technique
Ship is little to the daily demand amout of fresh water in navigation or operation, but to the reliability and Yi Wei of desalination plant
Shield property requires high.The Ship Waste Heat desalination technology of comparative maturity, which mainly has, at present immerses coil pipe distillation and low-temperature multi-effect evaporation
Two kinds.Immerse that equipment size used in coil pipe distillation technique is small, low cost, but water low efficiency processed and the easy fouling of heating coil；It is low
Though warm multiple-effect evaporation technology overcomes the problem of immersing the easy fouling of coil pipe distillation technique heating coil, high equipment cost, operation
Maintenance is complicated.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of vaporation-type sea using engine of boat and ship waste heat
Water desalination system and method.
The utility model adopts the following technical solution:
A kind of evaporation-type seawater desalination system using engine of boat and ship waste heat, thes improvement is that: the system
Including cylinder sleeve water- to-water heat exchanger, level-one vaporization chamber, condenser and the first sea water pump；Wherein cylinder sleeve water- to-water heat exchanger include sea intake,
Seawer outlet, the fresh water import being connected to cylinder sleeve of engine water out and the water outlet being connected to cylinder sleeve of engine water inlet；
Air inlet and exhaust outlet are set on level-one vaporization chamber, seawater spraying device is set in level-one vaporization chamber, in level-one vaporization chamber
Bottom be arranged collecting tank, collecting tank bottom be arranged discharge outlet；Air inlet and exhaust outlet are set on condenser, condensed
Installation condensation tube bank in device, is arranged collecting tank in the bottom of condenser, and fresh water discharge outlet is arranged in the bottom of collecting tank；Ocean sea
Water flows into the water inlet of condensation tube bank after the pressurization of the first sea water pump, condenses the sea of the water outlet connection cylinder sleeve water- to-water heat exchanger of tube bank
Water inlet, the seawer outlet of cylinder sleeve water- to-water heat exchanger are connected to the seawater spraying device of the first vaporization chamber, spray from seawater spraying device
Seawater through discharge outlet be expelled to ocean after the collecting tank for flowing into level-one vaporization chamber bottom；The air inlet and hair of level-one vaporization chamber
The connection of motivation exhaust outlet, the exhaust outlet of level-one vaporization chamber are connected to the air inlet of condenser, and the exhaust outlet and atmosphere of condenser connect
It is logical.
Further, the system further includes dual evaporation room and the second sea water pump, be arranged on dual evaporation room into
Seawater spraying device is arranged in port and exhaust outlet in dual evaporation room, and collecting tank is arranged in the bottom of dual evaporation room, is collecting
Discharge outlet is arranged in the bottom of liquid bath；The seawater spraying device of the seawer outlet connection dual evaporation room of cylinder sleeve water- to-water heat exchanger, from sea
The seawater that water spray system sprays is expelled to the second sea water pump through discharge outlet after the collecting tank for flowing into dual evaporation room bottom, sea
Water flows into the seawater spraying device of level-one vaporization chamber after the pressurization of the second sea water pump；Exhaust outlet and second level on level-one vaporization chamber steam
The air inlet connection on room is sent out, the exhaust outlet of dual evaporation room is connected to the air inlet of condenser.
Further, level-one vaporization chamber is identical with the structure of dual evaporation room, and vaporization chamber is arranged in seawater spraying device
The side of vaporization chamber is arranged in top, air inlet and exhaust outlet.
Further, filler is arranged between vaporization chamber inland sea water spray system and collecting tank.
Further, filler is the structured packing or random packing of ceramics or plastics material.
Further, the cylinder sleeve water- to-water heat exchanger is shell-and-tube, board-like or heat-pipe heat exchanger.
Further, the condensation tube bank in condenser, which uses, vertically, horizontally or diagonally arranges.
Further, flue is installed on the exhaust outlet of condenser, the flue gas in condenser is after exhaust outlet discharge
Atmosphere is drained into through the flue.
A kind of evaporation-type seawater desalination method using engine of boat and ship waste heat, uses above-mentioned system, improvements
It is:
Sea marine enters cylinder sleeve water- to-water heat exchanger by condensing tube bundle flow after the pressurization of the first sea water pump, by cylinder sleeve of engine water
It is heated to be the seawater spraying device that dual evaporation room is sent into after high temperature seawater, the height sprayed from dual evaporation room seawater spraying device
Being concentrated after warm seawater and the indoor flue gas heat and mass of dual evaporation by cooling is medium temperature concentrated seawater, and medium temperature concentrated seawater is flowing into two
It is expelled to the second sea water pump through discharge outlet after the collecting tank of grade vaporization chamber bottom, level-one evaporation is sent into after the pressurization of the second sea water pump
The seawater spraying device of room, the medium temperature concentrated seawater sprayed from level-one vaporization chamber seawater spraying device and level-one evaporate indoor flue gas
By further cooling concentration after heat and mass, sea finally is expelled to through discharge outlet after the collecting tank for flowing into level-one vaporization chamber bottom
Ocean；
The medium temperature concentrated seawater heat and mass that the flue gas of engine discharge sprays in level-one vaporization chamber with seawater spraying device
After become medium temperature wet flue gas and enter dual evaporation room, the height that medium temperature wet flue gas sprays in dual evaporation room with seawater spraying device
Becoming high temperature wet flue gas after warm seawater heat and mass and enters condenser, high temperature wet flue gas exchanges heat in condenser with condensation tube bank,
Sea marine in condensation tube bank is heated to be medium temperature seawater, while the vapor in flue gas is condensed in the outer surface of condensation tube bank
For fresh water, fresh water is discharged after the collecting tank for flowing into condenser bottom through fresh water discharge outlet, and flue gas then passes through the exhaust of condenser
Mouth drains into atmosphere.
Further, the flow direction of flue gas and seawater is adverse current or distributary in level-one vaporization chamber and dual evaporation room；
The flow direction of flue gas and seawater in condensation tube bank is adverse current or distributary in condenser.
The beneficial effects of the utility model are:
Seawater desalination system disclosed in the utility model and method have high water generation ratio, system structure and method flow
Simply, convenient operating maintenance, it is at low cost the features such as.By humidifying-dehumidifying method for desalting seawater and engine of boat and ship recirculated cooling water
Cooling system is integrated, and recycles engine of boat and ship recirculated cooling water sensible heat using cylinder sleeve water- to-water heat exchanger, is obtained needed for evaporation seawater
Most of heat, engine discharge flue gas evaporation room temperature lowering release sensible heat provide evaporation seawater needed for fraction
The condensation tube bank of heat, condenser can also recycle vapor condensation latent heat, to improve ship energy utilization efficiency, reduce
Originally the thermal pollution that be discharged into ocean and atmosphere, economic benefit and environmental benefit are significant.
Seawater desalination system disclosed in the utility model is steamed using the flue gas of engine discharge as evaporation seawater and water
Gas is taken during air cooling is solidifying, avoids taking the consumption of gas bring extra power with air, not only simplifies method for desalting seawater stream
Journey, and reduce the number of devices and occupied area of seawater desalination system, construction and maintenance cost are saved, furthermore in vaporization chamber
Seawater can effectively reduce the content of nitrogen oxides in effluent, particulate matter, environmental benefit to the cleaning function of engine discharge flue gas
Significantly.
Seawater desalination system disclosed in the utility model has double effect evaporator, is increased using spray equipment and ceramic packing
The contact area of flue gas and seawater in vaporization chamber unit volume, can make flue gas come into full contact with and effectively improve steaming with seawater
The compactness of room is sent out, flue gas humidifying effect is strengthened.
Seawater desalination system heating of seawater device disclosed in the utility model is condenser and cylinder sleeve heat exchange integral type string
Connection, it is equivalent to only to a heating of seawater, can more effectively improve high-temperature flue gas to the vapor amount of sweeping along.
Detailed description of the invention
Fig. 1 is the connection relationship diagram in seawater desalination system disclosed in the utility model embodiment 1 between each section.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
According to the power of engine of boat and ship, level-one, dual evaporation room arranged in series can be used or only with level-one vaporization chamber,
The present embodiment is illustrated by taking level-one, dual evaporation room arranged in series as an example.
Embodiment 1, as shown in Figure 1, that present embodiment discloses a kind of is light using the vaporation-type seawater of engine of boat and ship waste heat
Change system, the system include cylinder sleeve water- to-water heat exchanger 2, level-one vaporization chamber 3, dual evaporation room 4, condenser 7, the first sea water pump
9 and second sea water pump 10；Wherein cylinder sleeve water- to-water heat exchanger includes sea intake, seawer outlet and 1 jacket water outlet of engine
Fresh water import and the water outlet that is connected to cylinder sleeve of engine water inlet, the effect of cylinder sleeve water- to-water heat exchanger be on the one hand and ship
Engine-cooling system forms closed cooling circuit to pass through for recirculated cooling water, on the other hand can be by recirculated cooling water
Heat transfer is given from sea intake and is flowed into, the seawater flowed out from seawer outlet；Air inlet and exhaust are set on level-one vaporization chamber
Mouthful, seawater spraying device 6 is set in level-one vaporization chamber, collecting tank is set in the bottom of level-one vaporization chamber, at the bottom of collecting tank
Discharge outlet 21 is arranged in portion；Air inlet and exhaust outlet are set on dual evaporation room, seawater spraying is set in dual evaporation room and is filled
6 are set, collecting tank is set in the bottom of dual evaporation room, discharge outlet is set in the bottom of collecting tank；Air inlet is set on condenser
Mouth and exhaust outlet, the installation condensation tube bank 8 in condenser, are arranged collecting tank in the bottom of condenser, set in the bottom of collecting tank
Set fresh water discharge outlet 16；Sea marine flows into the water inlet of condensation tube bank after the pressurization of the first sea water pump, condenses the water outlet of tube bank
The sea intake of mouth connection cylinder sleeve water- to-water heat exchanger, the seawater spraying dress of the seawer outlet connection dual evaporation room of cylinder sleeve water- to-water heat exchanger
It sets, the seawater sprayed from seawater spraying device is expelled to the second sea through discharge outlet after the collecting tank for flowing into dual evaporation room bottom
Water pump, seawater flow into the seawater spraying device of level-one vaporization chamber after the pressurization of the second sea water pump, spray from seawater spraying device
Seawater is expelled to ocean through discharge outlet after the collecting tank for flowing into level-one vaporization chamber bottom；The air inlet of level-one vaporization chamber with start
The connection of machine exhaust outlet, the exhaust outlet of level-one vaporization chamber is connected to the air inlet of dual evaporation room, the exhaust outlet of dual evaporation room and
The air inlet of condenser is connected to, and the exhaust outlet of condenser is communicated with the atmosphere.
In the present embodiment, level-one vaporization chamber is identical with the structure of dual evaporation room, and the setting of seawater spraying device is being evaporated
The side of vaporization chamber is arranged in the top of room, air inlet and exhaust outlet.Between vaporization chamber inland sea water spray system and collecting tank
Arrange filler 5.Filler is the structured packing or random packing of ceramics or plastics material.The top of condenser is arranged in condensation tube bank
The side of condenser is arranged in portion, air inlet and exhaust outlet.
The cylinder sleeve water- to-water heat exchanger is shell-and-tube, board-like or heat-pipe heat exchanger.Condensation in condenser, which is restrained, to be used
Vertically, it horizontally or diagonally arranges.
Flue is installed on the exhaust outlet of condenser, the flue gas in condenser is after exhaust outlet discharge through the fume pipe
Road drains into atmosphere.
The present embodiment also discloses a kind of evaporation-type seawater desalination method using engine of boat and ship waste heat, using above-mentioned
System:
Sea marine 17 enters cylinder sleeve water- to-water heat exchanger by condensing tube bundle flow after the pressurization of the first sea water pump, by cylinder sleeve of engine
Recirculated cooling water in water 22(, that is, ship engine cooling system) it is heated to be the sea of feeding dual evaporation room after high temperature seawater 19
Water spray system, the high temperature seawater and the indoor flue gas distributary of dual evaporation sprayed from dual evaporation ceiling portion seawater spraying device
Being concentrated after heat and mass by cooling is medium temperature concentrated seawater 20, and medium temperature concentrated seawater passes through after the collecting tank for flowing into dual evaporation room bottom
Discharge outlet is expelled to the second sea water pump, the seawater spraying device of level-one vaporization chamber is sent into after the pressurization of the second sea water pump, from level-one
The medium temperature concentrated seawater and level-one that seawater spraying device sprays at the top of vaporization chamber evaporate after indoor flue gas distributary heat and mass by into
The cooling concentration of one step, is finally expelled to ocean through discharge outlet 21 after the collecting tank for flowing into level-one vaporization chamber bottom；
Engine discharge flue gas 12 enter level-one vaporization chamber from side after with seawater spraying device from top spray in
Become medium temperature wet flue gas 13 after warm concentrated seawater distributary heat and mass and enters dual evaporation room (in flue gas and contact with sea water from side
During, fresh water contained in seawater is evaporated into cigarette by the promotion of contained steam partial pressure difference in seawater surface and flue gas
Gas makes smoke moisture increase become wet flue gas), medium temperature wet flue gas is sprayed with seawater spraying device from top in dual evaporation room
High temperature seawater distributary heat and mass after become high temperature wet flue gas 14 and enter condenser from side, high temperature wet flue gas is in condenser
With horizontally disposed condensation tube bank distributary heat exchange, the sea marine in condensation tube bank is heated to be medium temperature seawater 18, while flue gas
In vapor be condensed into fresh water in the outer surface of condensation tube bank, fresh water is arranged after the collecting tank for flowing into condenser bottom through fresh water
The mouth of a river 16 is discharged, and flue gas 15 then drains into atmosphere by the exhaust outlet of condenser.
Claims (8)
1. a kind of evaporation-type seawater desalination system using engine of boat and ship waste heat, it is characterised in that: the system includes cylinder
Cover water- to-water heat exchanger, level-one vaporization chamber, condenser and the first sea water pump；Wherein cylinder sleeve water- to-water heat exchanger includes that sea intake, seawater go out
Mouth, the fresh water import being connected to cylinder sleeve of engine water out and the water outlet being connected to cylinder sleeve of engine water inlet；In level-one
Air inlet and exhaust outlet are set on vaporization chamber, seawater spraying device is set in level-one vaporization chamber, in the bottom of level-one vaporization chamber
Collecting tank is set, discharge outlet is set in the bottom of collecting tank；Air inlet and exhaust outlet are set on condenser, pacified in condenser
Dress condensation tube bank, is arranged collecting tank in the bottom of condenser, and fresh water discharge outlet is arranged in the bottom of collecting tank；Sea marine is through
One sea water pump pressurization after flow into condensation tube bank water inlet, condense tube bank water outlet connection cylinder sleeve water- to-water heat exchanger seawater into
Mouthful, the seawer outlet of cylinder sleeve water- to-water heat exchanger is connected to the seawater spraying device of the first vaporization chamber, from the sea that seawater spraying device sprays
Water is expelled to ocean through discharge outlet after the collecting tank for flowing into level-one vaporization chamber bottom；The air inlet and engine of level-one vaporization chamber
Exhaust outlet connection, the exhaust outlet of level-one vaporization chamber are connected to the air inlet of condenser, and the exhaust outlet of condenser is communicated with the atmosphere.
2. the evaporation-type seawater desalination system according to claim 1 using engine of boat and ship waste heat, it is characterised in that: institute
The system stated further includes dual evaporation room and the second sea water pump, air inlet and exhaust outlet is arranged on dual evaporation room, in second level
Seawater spraying device is set in vaporization chamber, collecting tank is set in the bottom of dual evaporation room, draining is set in the bottom of collecting tank
Mouthful；The seawater spraying device of the seawer outlet connection dual evaporation room of cylinder sleeve water- to-water heat exchanger, from the sea that seawater spraying device sprays
Water is expelled to the second sea water pump through discharge outlet after the collecting tank for flowing into dual evaporation room bottom, and seawater is pressurized through the second sea water pump
The seawater spraying device of level-one vaporization chamber is flowed into afterwards；The air inlet on exhaust outlet and dual evaporation room on level-one vaporization chamber connects
Logical, the exhaust outlet of dual evaporation room is connected to the air inlet of condenser.
3. the evaporation-type seawater desalination system according to claim 2 using engine of boat and ship waste heat, it is characterised in that: one
Grade vaporization chamber is identical with the structure of dual evaporation room, and the top of vaporization chamber, air inlet and exhaust outlet is arranged in seawater spraying device
The side of vaporization chamber is set.
4. the evaporation-type seawater desalination system according to claim 3 using engine of boat and ship waste heat, it is characterised in that:
Filler is arranged between vaporization chamber inland sea water spray system and collecting tank.
5. the evaporation-type seawater desalination system according to claim 4 using engine of boat and ship waste heat, it is characterised in that: fill out
Material is the structured packing or random packing of ceramics or plastics material.
6. the evaporation-type seawater desalination system according to claim 5 using engine of boat and ship waste heat, it is characterised in that: institute
The cylinder sleeve water- to-water heat exchanger stated is shell-and-tube, board-like or heat-pipe heat exchanger.
7. the evaporation-type seawater desalination system according to claim 6 using engine of boat and ship waste heat, it is characterised in that: cold
Condensation tube bank in condenser, which uses, vertically, horizontally or diagonally arranges.
8. the evaporation-type seawater desalination system according to claim 7 using engine of boat and ship waste heat, it is characterised in that:
Flue is installed, the flue gas in condenser drains into greatly after exhaust outlet discharge through the flue on the exhaust outlet of condenser
Gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821137908.7U CN208561751U (en) | 2018-07-18 | 2018-07-18 | A kind of evaporation-type seawater desalination system using engine of boat and ship waste heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821137908.7U CN208561751U (en) | 2018-07-18 | 2018-07-18 | A kind of evaporation-type seawater desalination system using engine of boat and ship waste heat |
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| CN208561751U true CN208561751U (en) | 2019-03-01 |
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| CN201821137908.7U Active CN208561751U (en) | 2018-07-18 | 2018-07-18 | A kind of evaporation-type seawater desalination system using engine of boat and ship waste heat |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751311A (en) * | 2018-07-18 | 2018-11-06 | 中国海洋大学 | A kind of evaporation-type seawater desalination system and method using engine of boat and ship waste heat |
| CN111573764A (en) * | 2020-05-28 | 2020-08-25 | 山东建筑大学 | Cold-hot coupling tower type seawater desalination system utilizing ship waste heat and application method |
-
2018
- 2018-07-18 CN CN201821137908.7U patent/CN208561751U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751311A (en) * | 2018-07-18 | 2018-11-06 | 中国海洋大学 | A kind of evaporation-type seawater desalination system and method using engine of boat and ship waste heat |
| CN111573764A (en) * | 2020-05-28 | 2020-08-25 | 山东建筑大学 | Cold-hot coupling tower type seawater desalination system utilizing ship waste heat and application method |
| CN111573764B (en) * | 2020-05-28 | 2022-03-04 | 山东建筑大学 | Cold-hot coupling tower type seawater desalination system utilizing ship waste heat and application method |
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