CN110845065A - Novel sea water desalination system based on marine engine - Google Patents
Novel sea water desalination system based on marine engine Download PDFInfo
- Publication number
- CN110845065A CN110845065A CN201911081311.4A CN201911081311A CN110845065A CN 110845065 A CN110845065 A CN 110845065A CN 201911081311 A CN201911081311 A CN 201911081311A CN 110845065 A CN110845065 A CN 110845065A
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- Prior art keywords
- desalination system
- marine engine
- energy
- condenser
- reverse osmosis
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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
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
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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
- Y02A20/131—Reverse-osmosis
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- 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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a novel seawater desalination system based on a marine engine, which comprises a diesel generator, a flue gas pipe, a seawater heat exchange pipeline, a gas-liquid separation pipeline, a steam pipeline, a condenser, a reservoir, a reverse osmosis device, various cabin pipelines, a renewable energy power generation device and a control device, wherein a cylinder sleeve is arranged outside the diesel generator, and the cylinder sleeve exchanges heat with seawater through cooling water and evaporates. The seawater desalination system adopts a double-heat-source form, prepares fresh water in an evaporation-reverse osmosis-evaporation form, takes renewable energy sources as power driving pumps, reverse osmosis devices and control devices, adopts renewable energy sources such as solar energy, wind energy, wave energy and the like as energy sources while preparing a large amount of fresh water, effectively avoids using non-renewable energy sources such as coal, petroleum and the like as energy sources, and achieves the maximization of saving resources, saving energy and reducing emission. The waste heat of the ship engine is fully utilized, the service life of the reverse osmosis membrane is prolonged, the cost is reduced, and energy conservation and emission reduction are realized.
Description
Technical Field
The invention relates to a seawater desalination device, in particular to a seawater desalination device which can recover waste gas waste heat of a marine engine and waste water of a main engine cylinder sleeve at two stages and adopts a reverse osmosis method.
Background
The seawater desalination is an open source increment technology which is not influenced by time, space and climate and can increase the total amount of fresh water of ships so as to realize the utilization of water resources, and can ensure stable water supply of domestic water of sea workers, cooling water of a main engine cylinder sleeve and the like. The fresh water that current boats and ships carried in the ocean navigation mainly comes from the land, can occupy the limited space of boats and ships by the deposit, and increases the load, prepares fresh water through the sea water and can be fine solution to carry the problem that the limited space of boats and ships was occupied from the land. At present, seawater desalination methods mainly comprise a seawater freezing method, an electrodialysis method, a distillation method, a reverse osmosis method and an ammonium carbonate ion exchange method, and the currently applied reverse osmosis membrane method and the distillation method are the mainstream in the market. In the long-term sailing process of the ship, fresh water resources are extremely precious, so that a marine seawater desalination system integrating a distillation method and a reverse osmosis membrane method is urgently needed to be designed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a novel seawater desalination system which effectively utilizes available resources on a ship and efficiently produces fresh water.
The technical scheme is as follows: a novel marine engine-based seawater desalination system comprising: diesel generator, flue gas pipe, sea water heat transfer pipeline, gas-liquid separation pipeline, steam conduit, first condenser, cistern, reverse osmosis unit, second condenser, each cabin pipeline, can be at biogenic source power generation facility and controlling means, the diesel generator outside is equipped with the cylinder liner, and the cylinder liner carries out the heat transfer evaporation through cooling water and sea water. Preferably, the first condenser is a normally open condenser. The second condenser is a controllable condensing device.
Furthermore, the system takes waste heat of exhaust gas of the diesel generator and heat of cooling water of the main cylinder jacket as double heat sources.
Furthermore, the fresh water is prepared by combining low-temperature distillation, high-temperature distillation and a reverse osmosis method, so that the service life of the reverse osmosis membrane is prolonged, and the requirement on the quality of the seawater is reduced.
Furthermore, the renewable energy power generation device is a current collection and power storage device which takes solar energy, wind energy and wave energy as core energy and is used for supplying power to the pump, the reverse osmosis device and the control device. The power generation device with wave energy as a core comprises a plurality of small propellers which are respectively arranged on two sides of a ship board, and the waves generated in the ship sailing process are utilized to drive a paddle to rotate so as to generate power.
Furthermore, cold sources of the first condenser and the second condenser are cold air from the ship freezing cabin and are conveyed to the condensers through cold air pipelines.
Furthermore, the control device comprises four switches K1, K2, K3 and K4, the switches K2 and K3 are controlled to be opened, K1 and K4 are closed to prepare fresh water, and when the switch K1 is opened, the fresh water is output; the steam circulation is realized by controlling the switches K1, K2 and K3 to be closed and K4 to be opened.
Compared with the prior art, the invention has the following remarkable advantages: while a large amount of fresh water is prepared, renewable energy sources such as solar energy, wind energy, wave energy and the like are used as energy sources, so that the use of non-renewable energy sources such as coal, petroleum and the like as energy sources is effectively avoided, and the maximization of resource saving, energy conservation and emission reduction is realized. The waste heat of the ship engine is fully utilized, the service life of the reverse osmosis membrane is prolonged, the cost is reduced, and energy conservation and emission reduction are realized.
Drawings
FIG. 1 is a flow chart of a seawater desalination system;
FIG. 2 is a piping diagram of a seawater desalination system;
fig. 3 shows a diagram of a renewable energy conversion and utilization system.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the detailed implementation mode as follows:
as shown in fig. 1 to 3, the seawater desalination system of the novel seawater desalination system based on a marine engine comprises a diesel generator, a flue gas pipe, a seawater heat exchange pipeline, a gas-liquid separation pipeline, a steam pipeline, a condenser, a water storage tank 6, a reverse osmosis device 17, various cabin pipelines, a biogenic source power generation device and a control device, wherein a cylinder sleeve is arranged outside the diesel generator, and the cylinder sleeve exchanges heat with seawater through cooling water and evaporates. The system takes waste heat of exhaust gas of the diesel generator and heat of cooling water of a main cylinder sleeve as dual heat sources. The renewable energy power generation device is a current collection and power storage device which takes solar energy, wind energy and wave energy as core energy and is used for supplying power to the pump, the reverse osmosis device and the control device. The power generation device with wave energy as a core comprises a plurality of small propellers which are respectively arranged on two sides of a ship board, and the waves generated in the ship sailing process are utilized to drive a paddle to rotate so as to generate power.
The seawater desalination system adopts a double-heat-source form, prepares fresh water in an evaporation-reverse osmosis-evaporation form, takes renewable energy as power to drive a pump, a reverse osmosis device and a control device, and further explains the implementation mode of the invention as follows:
(1) seawater enters through a seawater pipeline 5;
(2) one side of the seawater enters a cylinder sleeve of a marine diesel engine through a cylinder sleeve cooling water inlet 2, seawater is heated by using the temperature of cylinder sleeve cooling water, evaporated gas rises to enter a first steam pipeline 3, and the rest seawater is discharged;
(3) on one side, the seawater is heated by the temperature of the waste gas through a seawater discharge pipe 9 above the waste gas pipeline 1, the evaporated gas enters a high-temperature steam pipeline 8 through a gas-liquid separation pipeline 7 and further enters the first steam pipeline 3 to be mixed with the steam generated at the cylinder sleeve, and the residual seawater is discharged through the seawater discharge pipe 9;
(4) the merged steam enters a normally open condenser 10;
(5) the normally open condenser 10 is connected with the cold air of the freezing chamber through a cold air pipeline 11;
(6) condensing the steam into water in the condenser and then feeding the water into a water storage tank 6;
(7) fresh water enters the reverse osmosis device 17 from the water reservoir 6;
(8) the fresh water further removes impurities in the reverse osmosis unit that may be carried over from the high temperature steam line 8;
(9) the fresh water passing through the reverse osmosis device enters a distilled water discharge pipeline 14;
(10) the fresh water in the distilled water discharge pipeline 14 is further evaporated by utilizing the heat of the waste gas in the waste gas pipeline 1 again;
(11) the vaporized gas enters the second steam pipeline 4 through a gas-liquid separation pipeline 7;
(12) the steam in the second steam pipeline 4 enters a controllable condensing device 12;
(13) switches K1, K2 and K3 are simultaneously opened, K4 is closed, the water vapor entering the condensing device through the second steam pipeline 4 reacts with the cold air entering the condensing device through the cold air pipeline 11, and is condensed into water, and then enters the water using chamber through the water using pipeline 13;
(14) switches K1, K2 and K3 are closed simultaneously, K4 is opened, and water vapor enters the first steam pipe 3 through the third steam pipe 16, thereby forming a steam cycle.
(15) After use, the exhaust gas passes through the high-temperature exhaust gas discharge pipe 15 and enters the exhaust gas treatment device.
Claims (9)
1. A novel sea water desalination system based on marine engine, comprising:
diesel generator, flue gas pipe, sea water heat transfer pipeline, gas-liquid separation pipeline, steam conduit, first condenser, cistern, reverse osmosis unit, second condenser, each cabin pipeline, can be at biogenic source power generation facility and controlling means, the diesel generator outside is equipped with the cylinder liner, and the cylinder liner carries out the heat transfer evaporation through cooling water and sea water.
2. The marine engine-based novel sea water desalination system according to claim 1, characterized in that: the waste heat of the waste gas of the diesel generator and the heat of the cooling water of the main cylinder sleeve are used as double heat sources.
3. The marine engine-based novel sea water desalination system according to claim 1, characterized in that: the fresh water is prepared by combining low-temperature distillation, high-temperature distillation and a reverse osmosis method.
4. The marine engine-based novel sea water desalination system according to claim 1, characterized in that: the renewable energy power generation device is a current collection and power storage device which takes solar energy, wind energy and wave energy as core energy and is used for supplying power to the pump, the reverse osmosis device and the control device.
5. The novel marine engine-based seawater desalination system according to claim 4, wherein: the power generation device with wave energy as a core comprises a plurality of small propellers which are respectively arranged on two sides of a ship board, and the waves generated in the ship sailing process are utilized to drive a paddle to rotate so as to generate power.
6. The marine engine-based novel sea water desalination system according to claim 1, characterized in that: the cold sources of the first condenser and the second condenser are cold air from the ship freezing cabin and are conveyed to the condensers through cold air pipelines.
7. The novel marine engine-based seawater desalination system according to claim 1 or 6, wherein: the first condenser is a normally open condenser.
8. The novel marine engine-based seawater desalination system according to claim 1 or 6, wherein: the second condenser is a controllable condensing device.
9. The marine engine-based novel sea water desalination system according to claim 1, characterized in that: the control device comprises K1、K2、K3、K4Four controlsA switch, by controlling the switch K2、K3Opening, K1、K4Closed production of fresh water, K1Outputting fresh water when the water tank is opened; by controlling a switch K1、K2K3 closed and K4 open, effecting a steam cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911081311.4A CN110845065A (en) | 2019-11-07 | 2019-11-07 | Novel sea water desalination system based on marine engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911081311.4A CN110845065A (en) | 2019-11-07 | 2019-11-07 | Novel sea water desalination system based on marine engine |
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| CN110845065A true CN110845065A (en) | 2020-02-28 |
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| CN201911081311.4A Pending CN110845065A (en) | 2019-11-07 | 2019-11-07 | Novel sea water desalination system based on marine engine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113799959A (en) * | 2021-08-04 | 2021-12-17 | 珠海城市职业技术学院 | Water supply system for ship |
| CN115448399A (en) * | 2022-09-30 | 2022-12-09 | 浙江工业大学 | Refrigeration pure water system based on engine waste heat utilization and process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106830193A (en) * | 2017-02-08 | 2017-06-13 | 广州中国科学院先进技术研究所 | Island generates electricity and sea water desalting integral system and method |
| CN107302324A (en) * | 2016-06-22 | 2017-10-27 | 张英华 | Device for generating power by waste heat and control method and its application |
| CN206599476U (en) * | 2017-03-22 | 2017-10-31 | 欧阳常青 | Solar wind-energy complementation power supply marine minitype desalinator for seawater |
-
2019
- 2019-11-07 CN CN201911081311.4A patent/CN110845065A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302324A (en) * | 2016-06-22 | 2017-10-27 | 张英华 | Device for generating power by waste heat and control method and its application |
| CN106830193A (en) * | 2017-02-08 | 2017-06-13 | 广州中国科学院先进技术研究所 | Island generates electricity and sea water desalting integral system and method |
| CN206599476U (en) * | 2017-03-22 | 2017-10-31 | 欧阳常青 | Solar wind-energy complementation power supply marine minitype desalinator for seawater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113799959A (en) * | 2021-08-04 | 2021-12-17 | 珠海城市职业技术学院 | Water supply system for ship |
| CN115448399A (en) * | 2022-09-30 | 2022-12-09 | 浙江工业大学 | Refrigeration pure water system based on engine waste heat utilization and process thereof |
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