CN109533263A - A kind of included marine boiler condensate and water supply system for making water function - Google Patents
A kind of included marine boiler condensate and water supply system for making water function Download PDFInfo
- Publication number
- CN109533263A CN109533263A CN201910088176.XA CN201910088176A CN109533263A CN 109533263 A CN109533263 A CN 109533263A CN 201910088176 A CN201910088176 A CN 201910088176A CN 109533263 A CN109533263 A CN 109533263A
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- Prior art keywords
- pump
- connect
- water
- evaporator
- steam
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J1/00—Arrangements of installations for producing fresh water, e.g. by evaporation and condensation of sea water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D7/00—Auxiliary devices for promoting water circulation
- F22D7/04—Injectors for water or steam
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Water Supply & Treatment (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a kind of included marine boiler condensates and water supply system for making water function, including evaporator, steam jet ejector, condenser, jet pump, freshwater storage cabinet, hot well, vapour liquid separator, Liquid level threeway valve, sea water pump, fresh water pump, water supply pump and boiler feed pump；The vapour liquid separator is connect with vapour unit, steam pressure regulator valve and steam jet ejector respectively；The steam jet ejector is connect with evaporator, and the evaporator is connect with condenser and jet pump, and the outlet of the fresh water pump is connect with Liquid level triple valve.It carries out making water using steam back-steam waste heat in the present invention, this part of waste heat is avoided directly to be taken away by seawater, cause to waste, play the role of energy-efficient.The present invention is not influenced by ship operation operating condition, is cast anchor, reaches port and be can be used during motor-driven navigation.Seawater of the invention evaporates under 10~25 DEG C of evaporating temperature, and amount of scale buildup is few, it is possible to reduce maintenance.
Description
Technical field
Utilize technical field the invention belongs to Ship Waste Heat, especially a kind of included marine boiler condensate for making water function and
Water supply system.
Background technique
As shown in Fig. 2, the capital equipment of existing marine boiler condensate and water supply system includes barometric condenser, hot water
Well, freshwater storage cabinet and feed pump etc..In normal operating conditions, the excess steam that non-condensing steam or exhaust boiler generate
Condensate is cooled to by seawater via barometric condenser and returns to hot well.These waste heats are all taken away by seawater, and the pole of the energy is caused
Big waste.On the other hand, aboard ship most fresh water generators use vacuum boiling type desalination plant, mostly use marine main engine
Jacket-cooling water driving.But it produces regimen condition and is limited by marine main engine runing time, can not make in anchorage regardless or while reaching port
With.When anchorage regardless or reach port overlong time when, it will usually cause the situation for the fresh water deficiency for meeting marine boiler water quality.
Summary of the invention
To solve the above problems existing in the prior art, the present invention to design one kind can recovered steam waste heat and
Anchorage regardless provides the included marine boiler condensate for making water function for meeting marine boiler water quality fresh water by ETA estimated time of arrival when longer
And water supply system.
To achieve the goals above, technical scheme is as follows: a kind of included marine boiler condensate for making water function
And water supply system, including evaporator, steam jet ejector, condenser, jet pump, freshwater storage cabinet, hot well, vapour liquid separator,
Liquid level threeway valve, sea water pump, fresh water pump, water supply pump and boiler feed pump；
The outlet of the boiler feed pump and entrance are connect with boiler and salinometer respectively；
The hot well connects with vapour unit, salinometer, water supply pump, freshwater storage cabinet and Liquid level triple valve respectively
It connects；
The freshwater storage cabinet is connect with water supply pump and Liquid level triple valve respectively；
The vapour liquid separator is connect with vapour unit, steam pressure regulator valve, steam jet ejector and pressure reducing valve respectively；
The one outlet of the steam jet ejector is connect with evaporator, another outlet passes through check valve and evaporator heat exchange
Pipe connection；
The one outlet of the evaporator is connect with condenser heat-exchange pipes, another outlet is connected by check valve and jet pump
It connects；The evaporating temperature range of evaporator is 10~25 DEG C；
Heat exchanger tube in the evaporator is connect with pressure reducing valve and condenser respectively；
The entrance of the jet pump is connect with condenser；
The outlet of the condenser is connect with fresh water pump；
The entrance and exit of heat exchanger tube in the condenser is connect with sea water pump and jet pump respectively；
The outlet of the fresh water pump is connect with Liquid level triple valve.
Further, the ratio of the area and area of nozzle throat of the steam jet ejector throat is 4~100.
Further, there are two the Sea Chests；There are three the sea water pumps, and three sea water pumps are connected in parallel；The pot
There are two furnace feed pumps, and two boiler feed pumps are connected in parallel.
Compared with prior art, the invention has the following advantages:
1, it carries out making water using steam back-steam waste heat in the present invention, avoids this part of waste heat from directly being taken away by seawater, cause
Waste, plays the role of energy-efficient.
2, the present invention is not influenced by ship operation operating condition, is cast anchor, reaches port and be can be used during motor-driven navigation.
3, seawater of the invention evaporates under 10~25 DEG C of evaporating temperature, and amount of scale buildup is few, it is possible to reduce maintenance.
Detailed description of the invention
Fig. 1 is system schematic of the invention.
Fig. 2 is traditional boiler condensate, water supply system.
In figure: 1, with vapour unit, 2, steam pressure regulator valve, 3, Sea Chest, 4, sea water pump, 5, boiler, 6, boiler feed pump, 7,
Salinometer, 8, hot well, 9, water supply pump, 10, freshwater storage cabinet, 11, vapour liquid separator, 12, steam jet ejector, 13, evaporator,
14, jet pump, 15, pressure reducing valve, 16, condenser, 17, fresh water pump, 18, Liquid level triple valve.
Specific embodiment
The present invention is further elaborated below by drawings and examples.As shown in Figure 1, a kind of carry makes water function
The marine boiler condensate and water supply system of energy, including the storage of evaporator 13, steam jet ejector 12, condenser 16, jet pump 14, fresh water
Deposit cabinet 10, hot well 8, vapour liquid separator 11, Liquid level triple valve 18, sea water pump 4, fresh water pump 17, water supply pump 9 and boiler to
Water pump 6；
The outlet of the boiler feed pump 6 and entrance are connect with boiler 5 and salinometer 7 respectively；
The hot well 8 is respectively and with vapour unit 1, salinometer 7, water supply pump 9, freshwater storage cabinet 10 and Liquid level threeway
Valve 18 connects；
The freshwater storage cabinet 10 is connect with water supply pump 9 and Liquid level triple valve 18 respectively；
The vapour liquid separator 11 connects with vapour unit 1, steam pressure regulator valve 2, steam jet ejector 12 and pressure reducing valve 15 respectively
It connects；
The one outlet of the steam jet ejector 12 is connect with evaporator 13, another outlet passes through check valve and evaporator
The connection of 13 heat exchanger tubes；
The one outlet of the evaporator 13 is connect with 16 heat exchanger tube of condenser, another outlet passes through check valve and injection
14 connection of pump；The evaporating temperature range of evaporator 13 is 10~25 DEG C；
Heat exchanger tube in the evaporator 13 is connect with pressure reducing valve 15 and condenser 16 respectively；
The entrance of the jet pump 14 is connect with condenser 16；
The outlet of the condenser 16 is connect with fresh water pump 17；
The entrance and exit of heat exchanger tube in the condenser 16 is connect with sea water pump 4 and jet pump 14 respectively；
The outlet of the fresh water pump 17 is connect with Liquid level triple valve 18.
Further, the ratio of the area and area of nozzle throat of 12 throat of steam jet ejector is 4~100.
Further, there are two the Sea Chests 3；There are three the sea water pumps 4, and three sea water pumps 4 are connected in parallel；It is described
There are two boiler feed pumps 6, and two boiler feed pumps 6 are connected in parallel.
Specific work process of the invention is as follows:
When boiler 5 generates steam, a part passes through steam pressure regulator valve 2 to vapour liquid separator 11；Another part is by using vapour
Temperature reduces after unit 1, forms steam water interface；
A part of steam water interface enters vapour liquid separator 11, and another part passes to hot well directly to guarantee hot well
The temperature of hot water in 8.
Into in the steam water interface of vapour liquid separator 11, a part of condensate passes through the heat exchange of pressure reducing valve 15 to evaporator 13
Pipe；Residual steam is entered in the heat exchanger tube of evaporator 13 through steam jet ejector 12 by check valve.Steam jet ejector 12 is steaming
Vacuum is generated under the driving of vapour, the seawater in evaporator 13 with steamed at a lower temperature after the steam heat-exchanging in heat exchanger tube
Hair, the steam of generation are taken away and entered in the heat exchanger tube in evaporator 13 by check valve by steam jet ejectors 12.With steaming
After seawater is exchanged heat in hair device 13, the steam water interface of generation, which enters, carries out secondary heat exchange, steam-water mixing in condenser 16
Object all condenses, and the fresh water of generation enters in freshwater storage cabinet 10 or hot well 8 through fresh water pump 17, Liquid level triple valve 18
(entering hot well when hot well liquid level is low, freshwater storage cabinet is entered when hot well liquid level is high).When 8 water level mistake of hot well
It is low, when condensed water is unable to satisfy largely with water, fresh water from freshwater storage cabinet 10 through water supply pump 9 to hot well 8, then through salinometer 7,
Boiler feed pump 6 completes the circulation of water-steam system to boiler 5.
Seawater is through sea water pump 4 into the heat exchanger tube of condenser 16, and after carrying out heat exchange with steam water interface, a part is extra large
Water provides evaporation water into evaporator 13, and another part seawater driving jet pump 14 is simultaneously discharged outboard, generates jet pump 14
Vacuum.Jet pump 14 takes the air in evaporator 13 in redundance seawater and condenser 16 away by check valve respectively, makes whole
A system holds vacuum.
Although specific embodiments of the present invention have been described above, it should be appreciated by those skilled in the art that these
It is merely illustrative of, numerous variations and modification can be made to the embodiment in the present invention, without departing from the principle of the present invention
And essence.
Claims (3)
1. a kind of novel included marine boiler condensate and water supply system for making water function, it is characterised in that: including evaporator (13),
Steam jet ejector (12), condenser (16), jet pump (14), freshwater storage cabinet (10), hot well (8), vapour liquid separator (11),
Liquid level triple valve (18), sea water pump (4), fresh water pump (17), water supply pump (9) and boiler feed pump (6)；
The outlet of the boiler feed pump (6) and entrance are connect with boiler (5) and salinometer (7) respectively；
The hot well (8) is respectively and with vapour unit (1), salinometer (7), water supply pump (9), freshwater storage cabinet (10) and liquid level control
Triple valve (18) connection processed；
The freshwater storage cabinet (10) connect with water supply pump (9) and Liquid level triple valve (18) respectively；
The vapour liquid separator (11) is respectively and with vapour unit (1), steam pressure regulator valve (2), steam jet ejector (12) and pressure reducing valve
(15) it connects；
The one outlet of the steam jet ejector (12) is connect with evaporator (13), another outlet passes through check valve and evaporator
(13) heat exchanger tube connects；
The one outlet of the evaporator (13) is connect with condenser (16) heat exchanger tube, another outlet passes through check valve and injection
Pump (14) connection；The evaporating temperature range of evaporator (13) is 10~25 DEG C；
Heat exchanger tube in the evaporator (13) is connect with pressure reducing valve (15) and condenser (16) respectively；
The entrance of the jet pump (14) is connect with condenser (16)；
The outlet of the condenser (16) is connect with fresh water pump (17)；
The entrance and exit of heat exchanger tube in the condenser (16) is connect with sea water pump (4) and jet pump (14) respectively；
The outlet of the fresh water pump (17) is connect with Liquid level triple valve (18).
2. the novel included marine boiler condensate and water supply system for making water function of one kind according to claim 1, feature
Be: the ratio of the area of steam jet ejector (12) throat and area of nozzle throat is 4~100.
3. the novel included marine boiler condensate and water supply system for making water function of one kind according to claim 1, feature
Be: there are two the Sea Chests (3)；There are three the sea water pumps (4), and three sea water pumps (4) are connected in parallel；The boiler is given
There are two water pumps (6), and two boiler feed pumps (6) are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088176.XA CN109533263B (en) | 2019-01-29 | 2019-01-29 | Marine boiler condensate water and water supply system with water making function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088176.XA CN109533263B (en) | 2019-01-29 | 2019-01-29 | Marine boiler condensate water and water supply system with water making function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109533263A true CN109533263A (en) | 2019-03-29 |
| CN109533263B CN109533263B (en) | 2023-09-12 |
Family
ID=65838788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910088176.XA Active CN109533263B (en) | 2019-01-29 | 2019-01-29 | Marine boiler condensate water and water supply system with water making function |
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| Country | Link |
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| CN (1) | CN109533263B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726311A (en) * | 2019-08-07 | 2020-01-24 | 浙江海洋大学 | Marine steam recovery device |
| CN111998692A (en) * | 2020-08-27 | 2020-11-27 | 广船国际有限公司 | Marine steam water condensing system |
| CN109533263B (en) * | 2019-01-29 | 2023-09-12 | 大连海事大学 | Marine boiler condensate water and water supply system with water making function |
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| JPH08198178A (en) * | 1995-01-25 | 1996-08-06 | Ishikawajima Harima Heavy Ind Co Ltd | Ship for changing sea water to fresh water |
| CN201087140Y (en) * | 2007-08-30 | 2008-07-16 | 上海汉盛船舶技术有限公司 | Plate-type sea water desalination water producing machine with steam heating unit |
| CN201901602U (en) * | 2010-10-22 | 2011-07-20 | 河北宏润重工集团有限公司 | Energy-saving, low-temperature and multiple-effect sea water desalinating device |
| KR101615318B1 (en) * | 2015-09-25 | 2016-04-25 | 주식회사 엘에치이 | Fresh Water Generator for vessels |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533263B (en) * | 2019-01-29 | 2023-09-12 | 大连海事大学 | Marine boiler condensate water and water supply system with water making function |
| CN110726311A (en) * | 2019-08-07 | 2020-01-24 | 浙江海洋大学 | Marine steam recovery device |
| CN110726311B (en) * | 2019-08-07 | 2021-01-15 | 浙江海洋大学 | Marine steam recovery device |
| CN111998692A (en) * | 2020-08-27 | 2020-11-27 | 广船国际有限公司 | Marine steam water condensing system |
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| Publication number | Publication date |
|---|---|
| CN109533263B (en) | 2023-09-12 |
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