CN106430380B - Combined seawater desalination device - Google Patents
Combined seawater desalination device Download PDFInfo
- Publication number
- CN106430380B CN106430380B CN201611136998.3A CN201611136998A CN106430380B CN 106430380 B CN106430380 B CN 106430380B CN 201611136998 A CN201611136998 A CN 201611136998A CN 106430380 B CN106430380 B CN 106430380B
- Authority
- CN
- China
- Prior art keywords
- seawater
- brine
- evaporator
- brine tank
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- C02F1/043—Details
-
- 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
- C02F1/045—Treatment of water, waste water, or sewage by heating by distillation or evaporation for obtaining ultra-pure water
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a combined seawater desalination device, which relates to the technical field of thermal seawater desalination equipment and comprises the following components: the vibration reduction and isolation platform is provided with a brine tank; the feed water preheater is arranged in the brine tank and used for cooling the concentrated brine in the brine tank; the seawater evaporator is arranged on the upper part of the vibration reduction and isolation platform and is positioned above the brine tank, the seawater evaporator is connected with the water supply preheater, and the water supply preheater is used for preheating water supplied by the seawater evaporator; the seawater evaporator is provided with a rear cover, the steam-water separator is detachably arranged in the rear cover and is connected with the seawater evaporator; and the steam condenser is arranged at the upper part of the seawater evaporator and is connected with the steam-water separator. The invention has the advantages of compact structure, small occupied space, reliable and stable performance and low vibration noise.
Description
Technical Field
The invention relates to the technical field of hot method seawater desalination equipment, in particular to a combined seawater desalination device.
Background
The seawater desalination refers to a technology and a process for obtaining fresh water from seawater, and is a technology for enabling the treated seawater to reach the standard of domestic and production water by removing most of salt in the seawater. At present, the mainstream seawater desalination technology for commercial application is divided into two major types, namely a membrane method and a thermal method, wherein the membrane method mainly refers to a reverse osmosis seawater desalination technology, and the thermal method seawater desalination technology comprises the following steps: multi-stage flash evaporation, common multi-effect evaporation, thermal compression coupling multi-effect evaporation technology, mechanical vapor compression evaporation technology and the like. The seawater desalination device in the prior art generally comprises equipment such as a seawater evaporator, a steam condenser, an air extractor, a steam-water separator, a fresh water pump and a brine pump, and the functions of seawater heating evaporation, secondary steam condensation, vacuum maintenance in the device, secondary steam salt removal, fresh water delivery, concentrated seawater discharge and the like are respectively undertaken. The equipment is generally arranged in a dispersed mode, pipelines and accessories are connected among the equipment, so that the equipment occupies a large space, and meanwhile, due to the fact that rotating equipment such as a fresh water pump and a brine pump exists, phase change, gas-liquid two-phase flow and the like exist in the seawater desalination process, vibration noise is large, and overall vibration reduction and noise reduction are difficult to achieve. And part of equipment works in the severe working environment of high-temperature strong brine, so that the working reliability of the device is low and the maintenance frequency is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a combined seawater desalination device which has the advantages of compact structure, small occupied space, reliable and stable performance and low vibration noise.
In order to achieve the purpose, the invention adopts the technical scheme that:
a modular seawater desalination plant comprising:
the vibration reduction and isolation platform is provided with a brine tank;
the feed water preheater is arranged in the brine tank and used for cooling the concentrated seawater in the brine tank;
the seawater evaporator is arranged at the upper part of the vibration reduction and isolation platform and is positioned above the brine tank, the seawater evaporator is connected with the feed water preheater, and the feed water preheater is used for preheating feed water of the seawater evaporator;
the seawater evaporator is provided with a rear cover, the steam-water separator is detachably arranged in the rear cover, and the steam-water separator is connected with the seawater evaporator;
and the steam condenser is arranged on the upper part of the seawater evaporator and is connected with the steam-water separator.
On the basis of the technical scheme, a liquid level meter is arranged on the side face of the vibration reduction and isolation platform and used for detecting the liquid level in the brine tank.
On the basis of the technical scheme, a brine pump is arranged on the vibration reduction and isolation platform and is located beside the brine tank, and a brine connecting pipe is arranged between the brine pump and the brine tank.
On the basis of the technical scheme, an air extractor is arranged on the vibration reduction and isolation platform, an air extraction connecting pipe is arranged between the air extractor and the seawater evaporator, and an air valve is arranged at the tail end of the air extractor.
On the basis of the technical scheme, a fresh water pump is arranged on the vibration reduction and isolation platform and is located beside the brine tank, and a fresh water connecting pipe is arranged between the fresh water pump and the steam condenser.
On the basis of the technical scheme, an end plate is arranged on one side of the seawater evaporator opposite to the rear cover.
On the basis of the technical scheme, the end plate is provided with a pressure gauge and a safety valve.
On the basis of the technical scheme, a feed water preheating connecting pipe is arranged between the feed water preheater and the seawater evaporator.
Compared with the prior art, the invention has the advantages that:
(1) The invention relates to a combined seawater desalination device, which comprises an integrally designed vibration reduction and isolation platform, a brine tank, a feed water preheater, a seawater evaporator, a steam-water separator and a steam condenser, wherein the detachable feed water preheater can preheat seawater and reduce the temperature of concentrated seawater, so that the cavitation resistance of a brine pump is indirectly improved, and the corrosion environment of the brine pump and subsequent pipeline accessories is improved.
(2) The salt water pump, the fresh water pump and the air extractor of the combined seawater desalination device are arranged on the vibration reduction and isolation platform, resonance caused by rotation of the salt water pump and the fresh water pump can be avoided, the three-dimensional space is ingeniously and reasonably utilized by pipeline design, the reasonability and the functional integrity of the whole process are ensured, and the operation and the maintenance are convenient.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic partial cross-sectional view of an embodiment of the present invention.
In the figure: 1-vibration reduction and isolation platform, 2-brine tank, 3-feed water preheater, 4-seawater evaporator, 40-rear cover, 41-end plate, 42-pressure gauge, 43-safety valve, 5-feed water preheating connecting pipe, 6-steam condenser, 7-liquid level meter, 8-brine pump, 9-brine connecting pipe, 10-air extractor, 11-air extraction connecting pipe, 12-air valve, 13-fresh water pump and 14-fresh water connecting pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, an embodiment of the present invention provides a combined seawater desalination apparatus, including:
subtract vibration isolation platform 1, subtract and be provided with brine tank 2 in the vibration isolation platform 1, subtract the side of vibration isolation platform 1 and be provided with level gauge 7, level gauge 7 is used for detecting the liquid level in the brine tank 2. The two sides of the brine tank 2 on the vibration reduction and isolation platform 1 are respectively provided with a brine pump 8 and a fresh water pump 13, the fresh water pump 13 and the liquid level meter 7 are positioned on the same side, and a brine connecting pipe 9 is arranged between the brine pump 8 and the brine tank 2. With brine tank 2, feedwater preheater 3, seawater evaporator 4, catch water, steam condenser 6 and brine pump 8 and fresh water pump 13 all install at vibration reduction and isolation platform 1, ingeniously, rationally utilize the cubical space, the whole flow rationality and the functional integrity of device have been guaranteed again, the operation maintenance is convenient, the resonance condition of brine pump 8 and the rotatory emergence of fresh water pump 13 has been avoided simultaneously, it makes an uproar to have realized the damping, good operational environment is provided for operating personnel, device operational reliability has been improved simultaneously.
Feed water preheater 3, feed water preheater 3 passes through bolt fixed mounting in brine tank 2, and easy to assemble maintenance feed water preheater 3, feed water preheater 3 are used for the seawater preheater 4 to preheat, also are used for the seawater cooling after the brine tank 2 internal concentration. The feed water temperature is increased by the feed water preheater 3, the temperature of the concentrated seawater in the brine tank 2 is reduced, the anti-cavitation capability of the brine pump 8 is indirectly improved, and meanwhile, the corrosion environment of the brine pump 8 and subsequent pipeline accessories is improved.
The seawater evaporator 4 is positioned above the brine tank 2, the bottom of the seawater evaporator 4 is fixedly welded with the upper part of the vibration reduction and isolation platform 1, the seawater evaporator 4 is connected with the brine tank 2 through a feed water preheating connecting pipe 5, the feed water preheater 3 is used for preheating feed water of the seawater preheater 4, the seawater evaporator 4 is used for evaporating seawater, evaporated concentrated brine enters the brine tank 2, a rear cover 40 is arranged at the rear part of the seawater evaporator 4, the rear cover 40 is fixedly connected with the rear part of the steam-water separator through bolts, an end plate 41 is arranged on one side of the seawater evaporator 4 opposite to the rear cover 40, and a pressure gauge 42 and a safety valve 43 are arranged on the end plate 41. The pressure gauge 42 is used to constantly detect the pressure in the seawater evaporator 4, and the safety valve 43 is used to ensure the safety of the operation of the seawater evaporator 4.
The steam-water separator is detachably mounted in the rear cover 40 and connected with the seawater evaporator 4, and the steam-water separator 4 is used for separating salt-containing liquid drops in steam and enabling the salt-containing liquid drops to flow into the brine tank 2.
Steam condenser 6, steam condenser 6 inserts and installs on sea water evaporator 4 upper portion, steam condenser 6 links to each other with catch water, steam condenser 6 will condense into the condensate through the steam after catch water separation ware separation, be equipped with fresh water connecting pipe 14 between the middle part of fresh water pump 13 and steam condenser 6, fresh water connecting pipe 14 is the L type, and the middle part of steam condenser 6 is connected to the vertical end of fresh water connecting pipe 14, fresh water pump 13 is connected to the horizontal pipe of fresh water connecting pipe 14, fresh water pump 13 discharges the fresh water after the condensation.
The vibration reduction and isolation platform 1 is provided with a support, the support is provided with an air extractor 10, an air extraction connecting pipe 11 is arranged between the air extractor 10 and the seawater evaporator 4, and the tail end of the air extractor 10 is provided with an air valve 12.
The seawater is preheated by a feed water preheater 3 in a brine tank 2, enters a seawater evaporator 4 through a feed water preheating connecting pipe 5, is heated and evaporated inside the seawater evaporator 4 to form steam, the concentrated seawater flows into the brine tank 2, salt-containing liquid drops in the steam are separated by a steam-water separator in a rear cover 40 and flow into the brine tank 2, the concentrated seawater in the brine tank 2 is discharged by a brine pump 8, and the separated steam is condensed into condensed water in a steam condenser 6 and is discharged by a fresh water pump 13.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (6)
1. A combined seawater desalination device, comprising:
a vibration reduction and isolation platform (1), wherein a brine tank (2) is arranged on the vibration reduction and isolation platform (1),
the feed water preheater (3) is arranged in the brine tank (2) and is used for cooling the concentrated seawater in the brine tank (2);
the seawater evaporator (4) is mounted at the upper part of the vibration reduction and isolation platform (1) and is positioned above the brine tank (2), the seawater evaporator (4) is connected with the feed water preheater (3), and the feed water preheater (3) is used for preheating feed water of the seawater evaporator (4);
the seawater evaporator (4) is provided with a rear cover (40), the steam-water separator is detachably mounted in the rear cover (40), and the steam-water separator is connected with the seawater evaporator (4);
the steam condenser (6), the steam condenser (6) is installed on the upper portion of the seawater evaporator (4), and the steam condenser (6) is connected with the steam-water separator;
a brine pump (8) is arranged on the vibration reduction and isolation platform (1), the brine pump (8) is located beside the brine tank (2), and a brine connecting pipe is arranged between the brine pump (8) and the brine tank (2);
be equipped with fresh water pump (13) on subtracting vibration isolation platform (1), fresh water pump (13) are located brine tank (2) side, just fresh water pump (13) with be equipped with fresh water connecting pipe (14) between steam condenser (6).
2. A combined seawater desalination plant as claimed in claim 1, wherein:
the side of the vibration reduction and isolation platform (1) is provided with a liquid level meter (7), and the liquid level meter (7) is used for detecting the liquid level in the brine tank (2).
3. A combined seawater desalination plant as claimed in claim 1, wherein:
an air extractor (10) is arranged on the vibration reduction and isolation platform (1), an air extraction connecting pipe (11) is arranged between the air extractor (10) and the seawater evaporator (4), and an air valve (12) is arranged at the tail end of the air extractor (10).
4. A combined seawater desalination plant as claimed in claim 1, wherein:
an end plate (41) is arranged on one side of the seawater evaporator (4) opposite to the rear cover (40).
5. The combined seawater desalination plant of claim 4, wherein:
the end plate (41) is provided with a pressure gauge (42) and a safety valve (43).
6. A combined seawater desalination plant as claimed in claim 1, wherein:
a feed water preheating connecting pipe (5) is arranged between the feed water preheater (3) and the seawater evaporator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136998.3A CN106430380B (en) | 2016-12-12 | 2016-12-12 | Combined seawater desalination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136998.3A CN106430380B (en) | 2016-12-12 | 2016-12-12 | Combined seawater desalination device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106430380A CN106430380A (en) | 2017-02-22 |
| CN106430380B true CN106430380B (en) | 2023-03-14 |
Family
ID=58217843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611136998.3A Active CN106430380B (en) | 2016-12-12 | 2016-12-12 | Combined seawater desalination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106430380B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089697B (en) * | 2017-06-06 | 2019-11-26 | 西安工程大学 | Floatation type solar energy sea water desalination apparatus |
| CN107720862A (en) * | 2017-11-16 | 2018-02-23 | 哈尔滨工程大学 | A kind of compact distillation sea water desalting device |
| CN108905241A (en) * | 2018-06-29 | 2018-11-30 | 江苏海容热能环境工程有限公司 | A kind of brine concentration and concentration regulator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU89067U1 (en) * | 2009-02-17 | 2009-11-27 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | REVERSE OSMOTIC DESCRIPTION PLANT FOR UNDERWATER HABITATED OBJECTS |
| CN101863522A (en) * | 2009-12-16 | 2010-10-20 | 黄石市高耐斯热工设备有限公司 | Diesel exhaust seawater desalination device |
| CN101898530A (en) * | 2009-09-01 | 2010-12-01 | 河南华阳装备制造有限公司 | Air-drop water purification vehicle |
| CN201665599U (en) * | 2010-04-09 | 2010-12-08 | 中国船舶重工集团公司第七一一研究所 | Marine tower type low temperature multiple-effect sea water desalination device |
| CN203360034U (en) * | 2013-04-27 | 2013-12-25 | 中冶海水淡化投资有限公司 | Vacuum distillation type sea water desalting equipment |
| CN105753081A (en) * | 2015-07-28 | 2016-07-13 | 南通中船机械制造有限公司 | Split plate-type sea water desalination system and method |
| CN206529304U (en) * | 2016-12-12 | 2017-09-29 | 中国船舶重工集团公司第七一九研究所 | A kind of combined type sea water desalination apparatus |
-
2016
- 2016-12-12 CN CN201611136998.3A patent/CN106430380B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU89067U1 (en) * | 2009-02-17 | 2009-11-27 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | REVERSE OSMOTIC DESCRIPTION PLANT FOR UNDERWATER HABITATED OBJECTS |
| CN101898530A (en) * | 2009-09-01 | 2010-12-01 | 河南华阳装备制造有限公司 | Air-drop water purification vehicle |
| CN101863522A (en) * | 2009-12-16 | 2010-10-20 | 黄石市高耐斯热工设备有限公司 | Diesel exhaust seawater desalination device |
| CN201665599U (en) * | 2010-04-09 | 2010-12-08 | 中国船舶重工集团公司第七一一研究所 | Marine tower type low temperature multiple-effect sea water desalination device |
| CN203360034U (en) * | 2013-04-27 | 2013-12-25 | 中冶海水淡化投资有限公司 | Vacuum distillation type sea water desalting equipment |
| CN105753081A (en) * | 2015-07-28 | 2016-07-13 | 南通中船机械制造有限公司 | Split plate-type sea water desalination system and method |
| CN206529304U (en) * | 2016-12-12 | 2017-09-29 | 中国船舶重工集团公司第七一九研究所 | A kind of combined type sea water desalination apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106430380A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106430380B (en) | Combined seawater desalination device | |
| CN102557168B (en) | Heat-pipe low-temperature multi-effect sea water desalinating system and process flow | |
| CN203836931U (en) | Centralized-packing closed type high temperature steam condensate water recovery system | |
| CN207286724U (en) | A kind of Chinese medicine flash distillation extraction element | |
| CN102259941A (en) | Vertical tube seawater spewing and boiling evaporator | |
| CN201665599U (en) | Marine tower type low temperature multiple-effect sea water desalination device | |
| CN203777881U (en) | Steam cleaning filter | |
| CN106395950A (en) | Sea water desalination method adopting low-temperature multi-effect distillation for producing fresh water through efficient use of heat energy | |
| NO120411B (en) | ||
| CN203582529U (en) | Evaporation crystallization system for processing saline organic wastewater/liquid waste | |
| US9345986B2 (en) | Method for evaporation and possible distillation of fluids using a heat pump | |
| CN105107225A (en) | Multifunctional extraction tank | |
| CN104556277A (en) | Small plate type distillation and desalination device | |
| CN104649353A (en) | Vacuum-distillation seawater desalinating device and seawater desalinating method thereof | |
| CN206529304U (en) | A kind of combined type sea water desalination apparatus | |
| CN113526600A (en) | Desalting and deoxidizing equipment and desalting and deoxidizing method | |
| CN209130848U (en) | A kind of continuous sewage-discharge volum expander for boiler | |
| RU2359917C1 (en) | Method of sea water desalination by utilising low-potential heat | |
| CN202542898U (en) | Heat pipe type low-temperature multi-effect seawater dilution system | |
| CN105536431B (en) | Steam waste heat reuse energy saver | |
| CN204569467U (en) | A kind of vacuum distilling sea water desalinating plant | |
| RU2365815C2 (en) | Installation for condensation of spent vapor of steam turbine and condensate deaeration | |
| CN207605383U (en) | MVR evaporation structures with integral type vapor-liquid separating structure | |
| CN203750417U (en) | Membrane distillation device utilizing jet flow circulation for pressure reduction | |
| CN203154852U (en) | Horizontal flash tank and low temperature multi-effect distilled sea water desalination system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |