CN211619984U - Ship seawater desalination system with auxiliary cooling function - Google Patents
Ship seawater desalination system with auxiliary cooling function Download PDFInfo
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- CN211619984U CN211619984U CN202020112192.6U CN202020112192U CN211619984U CN 211619984 U CN211619984 U CN 211619984U CN 202020112192 U CN202020112192 U CN 202020112192U CN 211619984 U CN211619984 U CN 211619984U
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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
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- Y02A20/124—Water desalination
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Abstract
The utility model discloses a ship seawater desalination system with auxiliary cooling function, which comprises a high-temperature evaporator, a low-temperature evaporator, a steam ejector, a condenser, a fresh water pump and an injection pump; the high-temperature evaporator is respectively connected with the steam ejector, the condenser and the injection pump; the low-temperature evaporator is respectively connected with the steam ejector, the condenser and the injection pump; the steam ejector is connected with the condenser. The utility model discloses well drive steam ejector's heat source temperature can be 50 ~ 80 ℃ for drive steam ejector's heat source temperature is lower, and the heat source is not restricted to host computer cylinder liner water, also can utilize other heat sources, like vice cylinder liner water etc.. Therefore the utility model discloses do not receive the influence of boats and ships operation operating mode, all can use during anchor breaking, port of berthing and the motor navigation. The utility model discloses increased a steam ejector and low temperature evaporator on vacuum boiling formula sea water desalination method's basis, can further improve the water yield.
Description
Technical Field
The utility model belongs to the technical field of the sea water desalination, in particular to boats and ships sea water desalination with auxiliary cooling function.
Background
At present, most of seawater desalination devices of ships adopt vacuum boiling type seawater desalination devices, and are driven by heat of cylinder liner water of a main engine of the ship. However, the unit heat water yield is not high, and the operation time of the ship host is limited, so that the ship can not be used when the ship is anchored or in a port, the total water production is insufficient, and the daily life of a crew can be seriously influenced. On the other hand, when the temperature of the seawater in the tropical sea area is too high, the temperature of the low-temperature cooling water of the ship is too high. This makes marine equipment, such as host computer, auxiliary engine, air conditioner, ice maker, air compressor machine etc. required cooling water temperature too high to influence the normal use of equipment.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that prior art exists, the utility model discloses to design one kind and to improve unit heat water yield, and not limited by main unit operating duration, can utilize the sea water to evaporate the heat absorption for the boats and ships low temperature cooling water system cooling's that has auxiliary cooling function's boats and ships sea water desalination again under the low pressure.
In order to achieve the above purpose, the technical solution of the present invention is as follows: a ship seawater desalination system with an auxiliary cooling function comprises a high-temperature evaporator, a low-temperature evaporator, a steam ejector, a condenser, a fresh water pump and an injection pump;
the first outlet, the first inlet and the second outlet of the high-temperature evaporator are respectively connected with the main inlet of the steam ejector, the outlet of the heat exchange tube in the condenser and the side inlet of the ejector pump through pipelines;
the inlet and the outlet of a heat exchange tube in the high-temperature evaporator are both connected with a low-temperature heat source, and the low-temperature heat source comprises the waste heat of a main engine, the waste heat of an auxiliary engine, heat supply of a heat pump or steam heat supply;
the first outlet, the first inlet and the second outlet of the low-temperature evaporator are respectively connected with the side inlet of the steam ejector, the outlet of the heat exchange tube in the condenser and the side inlet of the ejector pump through pipelines;
an inlet and an outlet of a cooling water heat exchange pipe in the low-temperature evaporator are respectively connected with a cooling water system and cooling water equipment, and the cooling water equipment comprises a main machine, an auxiliary machine, an air conditioner, an ice maker and an air compressor;
the outlet of the steam ejector is connected with the inlet of the condenser;
the first outlet of the condenser is connected with the second side inlet of the jet pump through a pipeline; the second outlet is connected with the fresh water cabinet through a pipeline and a fresh water pump;
the inlet and the outlet of a heat exchange tube in the condenser are respectively connected with a main seawater system and a main inlet of the jet pump;
the outlet of the jet pump is connected outboard.
Further, the evaporation temperature range of the high-temperature evaporator is 40-70 ℃; the evaporation temperature range of the low-temperature evaporator is 10-25 ℃.
Further, the ratio of the area of the throat part of the steam ejector to the area of the throat part of the nozzle is 4-100.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses well drive steam ejector's heat source temperature can be 50 ~ 80 ℃ for drive steam ejector's heat source temperature is lower, and the heat source is not restricted to host computer cylinder liner water, also can utilize other heat sources, like vice cylinder liner water etc.. Therefore the utility model discloses do not receive the influence of boats and ships operation operating mode, all can use during anchor breaking, port of berthing and the motor navigation.
2. The utility model discloses increased a steam ejector and low temperature evaporator on vacuum boiling formula sea water desalination method's basis, can further improve the water yield.
3. The utility model discloses utilize the sea water evaporation heat absorption in low temperature evaporator for the cooling of boats and ships low temperature cooling water system, can improve the cooling efficiency of each equipment, guarantee the safe operation of each equipment.
Drawings
Fig. 1 is a schematic diagram of the present invention.
In the figure: 1. the system comprises a high-temperature evaporator, a low-temperature evaporator, a steam ejector, a condenser, a fresh water pump and a jet pump, wherein the high-temperature evaporator 2 is connected with the low-temperature evaporator 3, the steam ejector 4 is connected with the condenser 5, and the fresh water pump 6 is connected with the jet pump.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples. As shown in fig. 1, a marine seawater desalination system with an auxiliary cooling function includes a high-temperature evaporator 1, a low-temperature evaporator 2, a steam ejector 3, a condenser 4, a fresh water pump 5, and an injection pump 6;
the first outlet, the first inlet and the second outlet of the high-temperature evaporator 1 are respectively connected with the main inlet of the steam ejector 3, the outlet of the heat exchange tube in the condenser 4 and the side inlet of the ejector pump 6 through pipelines;
the inlet and the outlet of a heat exchange tube in the high-temperature evaporator 1 are both connected with a low-temperature heat source, and the low-temperature heat source comprises the waste heat of a main engine, the waste heat of an auxiliary engine, heat supply of a heat pump or steam heat supply;
the first outlet, the first inlet and the second outlet of the low-temperature evaporator 2 are respectively connected with the side inlet of the steam ejector 3, the outlet of the heat exchange tube in the condenser 4 and the side inlet of the ejector pump 6 through pipelines;
an inlet and an outlet of a cooling water heat exchange pipe in the low-temperature evaporator 2 are respectively connected with a cooling water system and cooling water equipment, and the cooling water equipment comprises a main machine, an auxiliary machine, an air conditioner, an ice maker and an air compressor;
the outlet of the steam ejector 3 is connected with the inlet of the condenser 4;
a first outlet of the condenser 4 is connected with a second side inlet of the jet pump 6 through a pipeline; the second outlet is connected with the fresh water cabinet through a pipeline by a fresh water pump 5;
the inlet and the outlet of a heat exchange tube in the condenser 4 are respectively connected with a main seawater system and a main inlet of an injection pump 6;
the outlet of the ejector pump 6 is connected outboard.
Further, the evaporation temperature range of the high-temperature evaporator 1 is 40-70 ℃; the evaporation temperature range of the low-temperature evaporator 2 is 10-25 ℃.
The utility model discloses a concrete working process as follows:
the utility model discloses during the during operation, sea water in the high temperature evaporator 1 and heating system produce steam and enter into steam ejector 3 after carrying out the heat transfer, drive steam ejector 3 produces the vacuum to draw to the steam in the low temperature evaporator 2. The seawater in the low-temperature evaporator 2 is evaporated at a low temperature in a vacuum environment to generate steam and is injected by the steam injector 3, and the seawater is evaporated to absorb heat to enable the temperature range in the low-temperature evaporator 2 to be 10-20 ℃. Steam sprayed by the steam ejector 3 exchanges heat with seawater from a main seawater system through the condenser 4 for condensation, and fresh water generated by steam condensation enters the fresh water tank through the fresh water pump 5. A part of seawater which exchanges heat with steam in the condenser 4 enters the high-temperature evaporator 1 and the low-temperature evaporator 2 to provide evaporation water, and the other part drives the jet pump 6 and then is discharged to the outside, so that the jet pump 6 generates vacuum. The remaining high-salinity seawater in the high-temperature evaporator 1 and the low-temperature evaporator 2 and the air in the condenser 4 are pumped by the jet pump 6 to maintain the vacuum degree of the whole system.
The equipment cooling water from the cooling water system exchanges heat with the low-temperature seawater in the low-temperature evaporator 2 through the heat exchange pipe in the low-temperature evaporator 2 to reduce the temperature. And cooling the equipment by the cooled low-temperature cooling water to each cooling water equipment.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples, and that various changes and modifications can be made in the embodiments of the invention without departing from the spirit and scope of the invention.
Claims (2)
1. The utility model provides a boats and ships sea water desalination with auxiliary cooling function which characterized in that: comprises a high-temperature evaporator (1), a low-temperature evaporator (2), a steam ejector (3), a condenser (4), a fresh water pump (5) and an injection pump (6);
the first outlet, the first inlet and the second outlet of the high-temperature evaporator (1) are respectively connected with the main inlet of the steam ejector (3), the outlet of the heat exchange tube in the condenser (4) and the side inlet of the ejector pump (6) through pipelines;
the inlet and the outlet of a heat exchange tube in the high-temperature evaporator (1) are both connected with a low-temperature heat source, and the low-temperature heat source comprises main machine waste heat, auxiliary machine waste heat, heat pump heat supply or steam heat supply;
the first outlet, the first inlet and the second outlet of the low-temperature evaporator (2) are respectively connected with the side inlet of the steam ejector (3), the outlet of the heat exchange tube in the condenser (4) and the side inlet of the ejector pump (6) through pipelines;
an inlet and an outlet of a cooling water heat exchange pipe in the low-temperature evaporator (2) are respectively connected with a cooling water system and cooling water equipment, and the cooling water equipment comprises a main machine, an auxiliary machine, an air conditioner, an ice maker and an air compressor;
the outlet of the steam ejector (3) is connected with the inlet of the condenser (4);
a first outlet of the condenser (4) is connected with a second side inlet of the jet pump (6) through a pipeline; the second outlet is connected with the fresh water cabinet through a pipeline by a fresh water pump (5);
the inlet and the outlet of a heat exchange tube in the condenser (4) are respectively connected with a main seawater system and a main inlet of the jet pump (6);
the outlet of the jet pump (6) is connected outboard.
2. The marine seawater desalination system with auxiliary cooling function of claim 1, wherein: the evaporation temperature range of the high-temperature evaporator (1) is 40-70 ℃; the evaporation temperature range of the low-temperature evaporator (2) is 10-25 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112192.6U CN211619984U (en) | 2020-01-17 | 2020-01-17 | Ship seawater desalination system with auxiliary cooling function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020112192.6U CN211619984U (en) | 2020-01-17 | 2020-01-17 | Ship seawater desalination system with auxiliary cooling function |
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| CN211619984U true CN211619984U (en) | 2020-10-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339960A (en) * | 2020-10-28 | 2021-02-09 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Ship steam power outboard conformal cooling system |
| CN115031498A (en) * | 2022-06-02 | 2022-09-09 | 大连海事大学 | Sea cucumber vacuum drying system based on steam ejector |
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2020
- 2020-01-17 CN CN202020112192.6U patent/CN211619984U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339960A (en) * | 2020-10-28 | 2021-02-09 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Ship steam power outboard conformal cooling system |
| CN115031498A (en) * | 2022-06-02 | 2022-09-09 | 大连海事大学 | Sea cucumber vacuum drying system based on steam ejector |
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