CN108751311A - A kind of evaporation-type seawater desalination system and method using engine of boat and ship waste heat - Google Patents
A kind of evaporation-type seawater desalination system and method using engine of boat and ship waste heat Download PDFInfo
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- CN108751311A CN108751311A CN201810789193.1A CN201810789193A CN108751311A CN 108751311 A CN108751311 A CN 108751311A CN 201810789193 A CN201810789193 A CN 201810789193A CN 108751311 A CN108751311 A CN 108751311A
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- 239000013535 sea water Substances 0.000 title claims abstract description 144
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 27
- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009834 vaporization Methods 0.000 claims abstract description 60
- 230000008016 vaporization Effects 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000001704 evaporation Methods 0.000 claims abstract description 55
- 230000008020 evaporation Effects 0.000 claims abstract description 55
- 238000005507 spraying Methods 0.000 claims abstract description 40
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 230000005494 condensation Effects 0.000 claims abstract description 23
- 239000013505 freshwater Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 45
- 230000009977 dual effect Effects 0.000 claims description 45
- 239000003546 flue gas Substances 0.000 claims description 45
- 239000007921 spray Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 5
- 230000002411 adverse Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000011033 desalting Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
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- 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
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- 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
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray 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
-
- 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
- C02F2201/001—Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a kind of evaporation-type seawater desalination system and method 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 this invention and method have 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, obtain most of heat needed for evaporation seawater, to improve ship energy utilization ratio, reduce the thermal pollution that be discharged into originally in ocean and air, economic benefit and environmental benefit are notable.
Description
Technical field
The invention belongs to field of seawater desalination, more particularly to a kind of evaporation using engine of boat and ship waste heat in the field
Formula seawater desalination system and method.
Background technology
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 efficiency processed is low 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
It safeguards complicated.
Invention content
The technical problems to be solved by the invention are just to provide a kind of light using the vaporation-type seawater of engine of boat and ship waste heat
Change system and method.
The present invention adopts the following technical scheme that：
A kind of evaporation-type seawater desalination system using engine of boat and ship waste heat thes improvement is that：The system includes
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 includes sea intake, seawater
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；One
Setting air inlet and exhaust outlet on grade vaporization chamber, are arranged seawater spraying device, at the bottom of level-one vaporization chamber in level-one vaporization chamber
Collecting tank is arranged in portion, and discharge outlet is arranged in the bottom of collecting tank；Air inlet and exhaust outlet are set on condenser, in condenser
Installation 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 passes through
First sea water pump supercharging 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 after the collecting tank for flowing into level-one vaporization chamber bottom through discharge outlet；The air inlet and engine of level-one vaporization chamber
Exhaust outlet is connected to, and the exhaust outlet of level-one vaporization chamber is connected to the air inlet of condenser, the exhaust outlet and atmosphere of condenser.
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 gas 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 after the collecting tank for flowing into dual evaporation room bottom through discharge outlet, sea
Water flows into the seawater spraying device of level-one vaporization chamber after the supercharging of the second sea water pump；Exhaust outlet on level-one vaporization chamber is steamed with two level
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 seawater spraying device is arranged in vaporization chamber
Top, air inlet and exhaust outlet are arranged in the side of vaporization chamber.
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 using it is vertical, horizontally or diagonally arrange.
Further, flue is installed on the exhaust outlet of condenser, the flue gas in condenser is after exhaust outlet discharge
Air 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 after the supercharging of the first sea water pump by condensing tube bundle flow, is heated by cylinder sleeve of engine water
To be sent into the seawater spraying device of dual evaporation room after high temperature seawater, the high temperature sprayed from dual evaporation room seawater spraying device is extra large
Water is medium temperature concentrated seawater with the concentration that cooled down after the indoor flue gas heat and mass of dual evaporation, and medium temperature concentrated seawater is steamed in inflow two level
It is expelled to the second sea water pump through discharge outlet after the collecting tank of hair room bottom, level-one vaporization chamber is sent into after the supercharging of the second sea water pump
Seawater spraying device, the medium temperature concentrated seawater sprayed from level-one vaporization chamber seawater spraying device evaporate indoor flue gas with level-one and conduct heat
It is concentrated by further cooling after mass transfer, is finally expelled to ocean through discharge outlet after the collecting tank for flowing into level-one vaporization chamber bottom；
Become after 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
Enter dual evaporation room for medium temperature wet flue gas, the high temperature sea that medium temperature wet flue gas sprays in dual evaporation room with seawater spraying device
Become high temperature wet flue gas after heat transfer water mass transfer and enter condenser, high temperature wet flue gas exchanges heat in condenser with condensation tube bank, will be cold
Sea marine in solidifying tube bank is heated to be medium temperature seawater, at the same the vapor in flue gas be condensed into the outer surface of condensation tube bank it is light
Water, fresh water are discharged after the collecting tank for flowing into condenser bottom through fresh water discharge outlet, and flue gas is then arranged by the exhaust outlet of condenser
To air.
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 invention are as follows：
Seawater desalination system disclosed in this invention and method, with water generation ratio, high, system structure and method flow are simple, operate
The features such as easy to maintain, at low cost.By humidifying-dehumidifying method for desalting seawater and engine of boat and ship circulating cooling water cooling system phase
It is integrated, engine of boat and ship recirculated cooling water sensible heat is recycled using cylinder sleeve water- to-water heat exchanger, obtains most of heat needed for evaporation seawater
The flue gas of amount, engine discharge provides the fraction heat needed for evaporation seawater, condensation in the sensible heat of evaporation room temperature lowering release
The condensation tube bank of device can also recycle vapor condensation latent heat, and to improve ship energy utilization ratio, reducing will arrange originally
Enter the thermal pollution in ocean and air, economic benefit and environmental benefit are notable.
Seawater desalination system disclosed in this invention, it is cold as the extra large water and steam of evaporation using the flue gas of engine discharge
Gas is taken during solidifying, avoids taking the extra power consumption that gas is brought with air, not only simplifies method for desalting seawater flow, again
The number of devices and floor space for reducing seawater desalination system, have saved construction and maintenance cost, in addition seawater in vaporization chamber
The content of nitrogen oxides in effluent, particulate matter can be effectively reduced by engine being discharged the cleaning function of flue gas, and environmental benefit is notable.
Seawater desalination system disclosed in this invention has double effect evaporator, increases evaporation using spray equipment and ceramic packing
The contact area of flue gas and seawater in the unit volume of room, can make flue gas come into full contact with and effectively improve vaporization chamber with seawater
Compactness, strengthen flue gas humidifying effect.
Seawater desalination system heating of seawater device disclosed in this invention is that condenser and cylinder sleeve heat exchange integral type are concatenated,
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.
Description of the drawings
Fig. 1 is the connection relationship diagram between each section in seawater desalination system disclosed in the embodiment of the present invention 1.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, right below in conjunction with drawings and examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
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, are 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 supercharging 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 after the collecting tank for flowing into dual evaporation room bottom through discharge outlet
Water pump, seawater flow into the seawater spraying device of level-one vaporization chamber after the supercharging of the second sea water pump, are sprayed from seawater spraying device
Seawater is expelled to ocean after the collecting tank for flowing into level-one vaporization chamber bottom through discharge outlet；The air inlet of level-one vaporization chamber with start
Machine exhaust outlet is connected to, and 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, the exhaust outlet and atmosphere of condenser.
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 top of room, air inlet and exhaust outlet are arranged in the side of vaporization chamber.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.Condensation tube bank is arranged on the top of condenser
Portion, air inlet and exhaust outlet are arranged in the side of condenser.
The cylinder sleeve water- to-water heat exchanger is shell-and-tube, board-like or heat-pipe heat exchanger.Condensation tube bank in condenser uses
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 air.
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 after the supercharging of the first sea water pump by condensing tube bundle flow, by cylinder sleeve of engine water 22
（Recirculated cooling water i.e. in ship engine cooling system）It is heated to be the seawater spray that dual evaporation room is sent into after high temperature seawater 19
Shower device, the high temperature seawater sprayed from dual evaporation ceiling portion seawater spraying device conduct heat with the indoor flue gas distributary of dual evaporation
It is medium temperature concentrated seawater 20 to be concentrated by cooling after mass transfer, and medium temperature concentrated seawater is after the collecting tank for flowing into dual evaporation room bottom through draining
Mouth is expelled to the second sea water pump, and the seawater spraying device of level-one vaporization chamber is sent into after the supercharging of the second sea water pump, is evaporated from level-one
The medium temperature concentrated seawater that ceiling portion seawater spraying device sprays with it is further after the indoor flue gas distributary heat and mass of level-one evaporation
Cooling concentration, is finally expelled to ocean after the collecting tank for flowing into level-one vaporization chamber bottom through discharge outlet 21；
The medium temperature that the flue gas 12 of engine discharge is sprayed from top after entering level-one vaporization chamber from side with seawater spraying device is dense
Become medium temperature wet flue gas 13 after seawater distributary heat and mass and enters dual evaporation room from side（In the mistake of flue gas and contact with sea water
Cheng Zhong, fresh water contained in seawater in by seawater surface and flue gas the promotion of contained steam partial pressure difference evaporate into flue gas, make
Smoke moisture increase becomes wet flue gas）, height that medium temperature wet flue gas is sprayed with seawater spraying device from top in dual evaporation room
Become high temperature wet flue gas 14 after warm seawater distributary heat and mass and enter condenser from side, high temperature wet flue gas is in condenser and water
The condensation tube bank distributary heat exchange that plain cloth is set, is heated to be medium temperature seawater 18, while in flue gas by the sea marine in condensation tube bank
Vapor is condensed into fresh water in the outer surface of condensation tube bank, and fresh water is after the collecting tank for flowing into condenser bottom through fresh water discharge outlet
16 discharges, flue gas 15 then drain into air by the exhaust outlet of condenser.
Claims (10)
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 supercharging 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 after the collecting tank for flowing into level-one vaporization chamber bottom through discharge outlet；The air inlet and engine of level-one vaporization chamber
Exhaust outlet is connected to, and the exhaust outlet of level-one vaporization chamber is connected to the air inlet of condenser, the exhaust outlet and atmosphere of condenser.
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 two 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 after the collecting tank for flowing into dual evaporation room bottom through discharge outlet, and seawater is pressurized through the second sea water pump
The seawater spraying device of level-one vaporization chamber is flowed into afterwards；Exhaust outlet on level-one vaporization chamber connects with the air inlet on dual evaporation room
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 seawater spraying device is arranged in the top of vaporization chamber, air inlet and exhaust outlet
It is arranged in the side of vaporization chamber.
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：It fills 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：It is cold
Condensation tube bank in condenser using it is vertical, horizontally or diagonally arrange.
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.
9. a kind of evaporation-type seawater desalination method using engine of boat and ship waste heat, special using the system described in claim 2
Sign is：
Sea marine enters cylinder sleeve water- to-water heat exchanger after the supercharging of the first sea water pump by condensing tube bundle flow, is heated by cylinder sleeve of engine water
To be sent into the seawater spraying device of dual evaporation room after high temperature seawater, the high temperature sprayed from dual evaporation room seawater spraying device is extra large
Water is medium temperature concentrated seawater with the concentration that cooled down after the indoor flue gas heat and mass of dual evaporation, and medium temperature concentrated seawater is steamed in inflow two level
It is expelled to the second sea water pump through discharge outlet after the collecting tank of hair room bottom, level-one vaporization chamber is sent into after the supercharging of the second sea water pump
Seawater spraying device, the medium temperature concentrated seawater sprayed from level-one vaporization chamber seawater spraying device evaporate indoor flue gas with level-one and conduct heat
It is concentrated by further cooling after mass transfer, is finally expelled to ocean through discharge outlet after the collecting tank for flowing into level-one vaporization chamber bottom；
Become after 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
Enter dual evaporation room for medium temperature wet flue gas, the high temperature sea that medium temperature wet flue gas sprays in dual evaporation room with seawater spraying device
Become high temperature wet flue gas after heat transfer water mass transfer and enter condenser, high temperature wet flue gas exchanges heat in condenser with condensation tube bank, will be cold
Sea marine in solidifying tube bank is heated to be medium temperature seawater, at the same the vapor in flue gas be condensed into the outer surface of condensation tube bank it is light
Water, fresh water are discharged after the collecting tank for flowing into condenser bottom through fresh water discharge outlet, and flue gas is then arranged by the exhaust outlet of condenser
To air.
10. utilizing the evaporation-type seawater desalination method of engine of boat and ship waste heat according to claim 9, it is characterised in that：?
The flow direction of flue gas and seawater is adverse current or distributary in level-one vaporization chamber and dual evaporation room；Flue gas and condensation in condenser
The flow direction of seawater is adverse current or distributary in tube bank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789193.1A CN108751311A (en) | 2018-07-18 | 2018-07-18 | A kind of evaporation-type seawater desalination system and method using engine of boat and ship waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789193.1A CN108751311A (en) | 2018-07-18 | 2018-07-18 | A kind of evaporation-type seawater desalination system and method using engine of boat and ship waste heat |
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| Publication Number | Publication Date |
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| CN108751311A true CN108751311A (en) | 2018-11-06 |
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| CN201810789193.1A Pending CN108751311A (en) | 2018-07-18 | 2018-07-18 | A kind of evaporation-type seawater desalination system and method using engine of boat and ship waste heat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978828A (en) * | 2021-03-15 | 2021-06-18 | 山东建筑大学 | Humidification-temperature-increasing type brackish water desalination treatment system and method for solar agricultural greenhouse in winter |
| CN114149045A (en) * | 2020-11-13 | 2022-03-08 | 山东大学 | Heat exchanger and sea water desalination device of boats and ships waste gas waste heat |
| CN114526621A (en) * | 2021-03-26 | 2022-05-24 | 山东大学 | Heat pipe heat exchange device with flue gas temperature control and music early warning functions |
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