CN107720866A - A kind of continous way seawater freezing desalting plant - Google Patents
A kind of continous way seawater freezing desalting plant Download PDFInfo
- Publication number
- CN107720866A CN107720866A CN201711142907.1A CN201711142907A CN107720866A CN 107720866 A CN107720866 A CN 107720866A CN 201711142907 A CN201711142907 A CN 201711142907A CN 107720866 A CN107720866 A CN 107720866A
- Authority
- CN
- China
- Prior art keywords
- seawater
- tank
- fresh water
- crawler belt
- porous
- 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.)
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Links
- 239000013535 sea water Substances 0.000 title claims abstract description 130
- 230000008014 freezing Effects 0.000 title claims abstract description 44
- 238000007710 freezing Methods 0.000 title claims abstract description 44
- 238000011033 desalting Methods 0.000 title claims abstract description 15
- 239000013505 freshwater Substances 0.000 claims abstract description 52
- 239000013078 crystal Substances 0.000 claims abstract description 24
- 239000003507 refrigerant Substances 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000155 melt Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
- C02F1/22—Treatment of water, waste water, or sewage by freezing
-
- 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
Abstract
The invention discloses a kind of continous way seawater freezing desalting plant, including air-heater, shower nozzle, porous crawler belt, seawater freezing crystallizer, refrigerant exit, refrigerant inlet, drive device, sea water pump, seawater tank, concentrated seawater collecting tank, concentrated seawater tank, washing water collecting groove, fresh water collecting groove, fresh water tank, fresh water pump.After seawater is crystallized by seawater freezing crystallizer, ice crystal and concentrated seawater are separated by porous crawler belt, concentrated seawater enters concentrated seawater tank by concentrated seawater collecting tank, ice crystal washs by shower nozzle, washings enter seawater freezing crystallizer together by the seawater in sea water pump and seawater tank, and it is fresh water that the hot blast that the ice crystal after washing is blown out by air-heater, which melts,.This device integrated level is high, can meet different fresh water amounts and water quality demand, it is easy to accomplish serialization industrial production.
Description
Technical field
Patent of the present invention is related to sea water desalinating unit field, and in particular to a kind of continous way seawater freezing desalting plant.
Background technology
Desalinization solves the problems, such as the effective ways of shortage of fresh water as a kind of, and the nearly more than ten years have obtained rapid hair
Exhibition, wherein mainly include membrane separation process, the way of distillation and freezing, because LNG was largely used in recent years, the cold energy quilt of LNG releases
It is widely used in freezing desalinization, freezing turns into a kind of method for desalting seawater having a extensive future.
Freezing desalinization makes part seawater icing generally by crystallizer, such as patent 201610056567.X, so
Ice crystal is separated with concentrated seawater afterwards, ice crystal washs, ice crystal obtains fresh water after melting.Seawater disclosed in patent 201110457558.9
Seawater icing and ice-out interval are carried out in desalting plant, are unfavorable for large-scale industrial production, and one kind is simple in construction, it is real to be easy to
The existing industrial seawater freezing desalting plant of serialization requires study.
The content of the invention
It is an object of the invention to in background technology the shortcomings that existing Seawater Desalination by Freezing and deficiency, there is provided
One kind is simple in construction, is easily achieved the industrial seawater freezing desalting plant of serialization.
The present invention completes by following technical solution, and a kind of continous way seawater freezing desalting plant includes air-heater (1), spray
Head (2), porous crawler belt (3), seawater freezing crystallizer (4), refrigerant exit (5), refrigerant inlet (6), drive device (7) sea water pump
(8), seawater tank (9), concentrated seawater collecting tank (10), concentrated seawater tank (11), washing water collecting groove (12), fresh water collecting groove (13),
Fresh water tank (14), fresh water pump (15).Seawater freezing crystallizer (4) is connected with sea water pump (8);Sea water pump (8) respectively with seawater tank
(9) connected with washing water collecting groove (12);Concentrated seawater collecting tank (10) is connected with concentrated seawater tank (11);Fresh water collecting groove (13) according to
It is secondary to be connected with fresh water pump (15) and shower nozzle (2);Seawater freezing crystallizer (4) is located at porous crawler belt (3) upper right, shower nozzle (2)
Among porous crawler belt (3) top, air-heater (1) is located at porous crawler belt (3) upper left-hand;Concentrated seawater collecting tank (10) is located at
On the right side of porous crawler belt (3) bottom, washing water collecting groove (12) is located among porous crawler belt (3) bottom, fresh water collecting groove (13) position
In porous crawler belt (3) lower left side.Seawater in seawater tank (9) enters seawater freezing crystallizer (4) by sea water pump (8), cold
Matchmaker enters seawater freezing crystallizer (4) by refrigerant inlet (6) crystallizes seawater, is gone out with the refrigerant after seawater to make heat exchange by refrigerant
After mouth (5) outflow, ice crystal caused by seawater freezing crystallizer (4) and concentrated seawater are separated by porous crawler belt (3), concentrated seawater passes through
Concentrated seawater collecting tank (10) enters concentrated seawater tank (11), and ice crystal is washed by shower nozzle (2), and washings pass through sea water pump (8) and sea
Seawater in water pot (9) enters seawater freezing crystallizer (4), the hot blast that the ice crystal after washing is blown out by air-heater (1) together
Melt and fresh water tank (14) is entered by fresh water collecting groove (13) for fresh water, fresh water, part fresh water passes through fresh water in fresh water tank (14)
Pump (14) enters shower nozzle (2).
In a kind of described continous way seawater freezing desalting plant, ice crystal separates with concentrated seawater, ice crystal washs, ice crystal melts
3 processes are carried out on porous crawler belt (3) simultaneously, and by more than changing, the length proportion of porous crawler belt (3) can shared by 3 steps
Regulation obtains the quality of fresh water, and the rotating speed by adjusting drive device (7) can meet the different ice-making capacities of seawater freezing crystallizer (4)
Demand.
Compared with prior art, the beneficial effects of the invention are as follows:A kind of continous way seawater freezing desalting plant, ice crystal
Separated with concentrated seawater, ice crystal washing, ice crystal melt 3 processes while carried out on porous crawler belt (3), device integrated level is high,
Different fresh water amounts and water quality demand can be met, it is easy to accomplish serialization industrial production.
Brief description of the drawings
Fig. 1 is a kind of continous way seawater freezing desalting plant structural representation provided by the invention.
In Fig. 1:1st, air-heater;2nd, shower nozzle;3rd, porous crawler belt;4th, seawater freezing crystallizer;5th, refrigerant exit;6th, refrigerant enters
Mouthful;7th, drive device;8th, sea water pump;9th, seawater tank;10th, concentrated seawater collecting tank;11st, concentrated seawater tank;12nd, water collecting groove is washed;
13rd, fresh water collecting groove;14th, fresh water tank;15th, fresh water pump
Embodiment
In order to further appreciate that and recognize to the present invention, it is described in detail in conjunction with accompanying drawing, as shown in figure 1, a kind of connect
Continuous formula seawater freezing desalting plant includes air-heater (1), shower nozzle (2), porous crawler belt (3), seawater freezing crystallizer (4), refrigerant
Export (5), refrigerant inlet (6), drive device (7) sea water pump (8), seawater tank (9), concentrated seawater collecting tank (10), concentrated seawater tank
(11) water collecting groove (12), fresh water collecting groove (13), fresh water tank (14), fresh water pump (15), are washed.Seawater freezing crystallizer (4)
It is connected with sea water pump (8);Sea water pump (8) is connected with seawater tank (9) and washing water collecting groove (12) respectively;Concentrated seawater collecting tank
(10) it is connected with concentrated seawater tank (11);Fresh water collecting groove (13) is connected with fresh water pump (15) and shower nozzle (2) successively;Seawater freezing knot
Brilliant device (4) is located at porous crawler belt (3) upper right, and shower nozzle (2) is located among porous crawler belt (3) top, and air-heater (1) is positioned at more
Hole crawler belt (3) upper left-hand;Concentrated seawater collecting tank (10) is located on the right side of porous crawler belt (3) bottom, washs water collecting groove (12) position
Among porous crawler belt (3) bottom, fresh water collecting groove (13) is located at porous crawler belt (3) lower left side.
Specific separation process is that the seawater in seawater tank (9) enters seawater freezing crystallizer (4) by sea water pump (8), cold
Matchmaker enters seawater freezing crystallizer (4) by refrigerant inlet (6) crystallizes seawater, is gone out with the refrigerant after seawater to make heat exchange by refrigerant
After mouth (5) outflow, ice crystal caused by seawater freezing crystallizer (4) and concentrated seawater are separated by porous crawler belt (3), concentrated seawater passes through
Concentrated seawater collecting tank (10) enters concentrated seawater tank (11), and ice crystal is washed by shower nozzle (2), and washings pass through sea water pump (8) and sea
Seawater in water pot (9) enters seawater freezing crystallizer (4), the hot blast that the ice crystal after washing is blown out by air-heater (1) together
Melt and fresh water tank (14) is entered by fresh water collecting groove (13) for fresh water, fresh water, part fresh water passes through fresh water in fresh water tank (14)
Pump (14) enters shower nozzle (2).
In addition, above-mentioned embodiment is only intended to clearly illustrate example, and the restriction to embodiment is not it.
For the those of ordinary skill in the field, other various forms of changes can also be made on the basis of the above description
Or change.Thus among the change and variation amplified out are still in the protection of the present invention.
Claims (2)
1. a kind of continous way seawater freezing desalting plant, its feature include:Air-heater (1), shower nozzle (2), porous crawler belt (3), sea
Water freezing and crystallizing device (4), refrigerant exit (5), refrigerant inlet (6), drive device (7), sea water pump (8), seawater tank (9), dense sea
Water collecting groove (10), concentrated seawater tank (11), washing water collecting groove (12), fresh water collecting groove (13), fresh water tank (14), fresh water pump
(15).Seawater freezing crystallizer (4) is connected with sea water pump (8);Sea water pump (8) respectively with seawater tank (9) and washing water collecting groove
(12) connect;Concentrated seawater collecting tank (10) is connected with concentrated seawater tank (11);Fresh water collecting groove (13) successively with fresh water pump (15) and
Shower nozzle (2) connects;Seawater freezing crystallizer (4) is located at porous crawler belt (3) upper right, and shower nozzle (2) is located on porous crawler belt (3)
Among portion, air-heater (1) is located at porous crawler belt (3) upper left-hand;Concentrated seawater collecting tank (10) is located at porous crawler belt (3) lower right
Side, washing water collecting groove (12) are located among porous crawler belt (3) bottom, and fresh water collecting groove (13) is located at porous crawler belt (3) bottom
Left side.Seawater in seawater tank (9) enters seawater freezing crystallizer (4) by sea water pump (8), and refrigerant passes through refrigerant inlet (6)
Seawater is crystallized into seawater freezing crystallizer (4), is flowed out with the refrigerant after seawater to make heat exchange by refrigerant exit (5), seawater is cold
After freezing ice crystal caused by crystallizer (4) and concentrated seawater by porous crawler belt (3) separation, concentrated seawater passes through concentrated seawater collecting tank (10)
Into concentrated seawater tank (11), ice crystal is washed by shower nozzle (2), and washings pass through the seawater one in sea water pump (8) and seawater tank (9)
Rise and enter seawater freezing crystallizer (4), it is fresh water that the hot blast that the ice crystal after washing is blown out by air-heater (1), which melts, and fresh water leads to
Cross fresh water collecting groove (13) and enter fresh water tank (14), part fresh water enters shower nozzle (2) by fresh water pump (14) in fresh water tank (14).
A kind of 2. continous way seawater freezing desalting plant according to claim 1, it is characterised in that:Ice crystal and concentrated seawater point
Melt 3 processes from the washing of, ice crystal, ice crystal to carry out on porous crawler belt (3) simultaneously, by more shared by 3 steps more than changing
The length proportion of hole crawler belt (3) is adjustable to obtain the quality of fresh water, and the rotating speed by adjusting drive device (7) can meet that seawater is cold
Freeze the demand of the different ice-making capacities of crystallizer (4).
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CN201711142907.1A CN107720866A (en) | 2017-11-17 | 2017-11-17 | A kind of continous way seawater freezing desalting plant |
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CN201711142907.1A CN107720866A (en) | 2017-11-17 | 2017-11-17 | A kind of continous way seawater freezing desalting plant |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108862447A (en) * | 2018-05-30 | 2018-11-23 | 广东知识城运营服务有限公司 | A kind of sea water desalination crystallization apparatus |
CN114920401A (en) * | 2022-05-07 | 2022-08-19 | 北京中矿博能节能科技有限公司 | Vacuum type ice crystal dehydration and salt washing system and application method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06277655A (en) * | 1993-03-29 | 1994-10-04 | Takasago Thermal Eng Co Ltd | Concentration of solution and seawater desalting system |
CN104891593A (en) * | 2015-06-08 | 2015-09-09 | 中石化天津液化天然气有限责任公司 | High-desalting-rate seawater desalination method and device based on liquefied natural gas cold energy |
CN204752259U (en) * | 2015-06-08 | 2015-11-11 | 中石化天津液化天然气有限责任公司 | High salt rejection sea water desalination device based on liquefied natural gas cold energy |
CN105439234A (en) * | 2016-01-09 | 2016-03-30 | 青岛科技大学 | Seawater freezing and freshening system utilizing cold energy of LNG (liquefied natural gas) |
CN106865670A (en) * | 2017-04-21 | 2017-06-20 | 中国海洋大学 | Using the freezing sea water desalinating unit system of heterogeneous sedimentation crystallization nucleation mode |
-
2017
- 2017-11-17 CN CN201711142907.1A patent/CN107720866A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06277655A (en) * | 1993-03-29 | 1994-10-04 | Takasago Thermal Eng Co Ltd | Concentration of solution and seawater desalting system |
CN104891593A (en) * | 2015-06-08 | 2015-09-09 | 中石化天津液化天然气有限责任公司 | High-desalting-rate seawater desalination method and device based on liquefied natural gas cold energy |
CN204752259U (en) * | 2015-06-08 | 2015-11-11 | 中石化天津液化天然气有限责任公司 | High salt rejection sea water desalination device based on liquefied natural gas cold energy |
CN105439234A (en) * | 2016-01-09 | 2016-03-30 | 青岛科技大学 | Seawater freezing and freshening system utilizing cold energy of LNG (liquefied natural gas) |
CN106865670A (en) * | 2017-04-21 | 2017-06-20 | 中国海洋大学 | Using the freezing sea water desalinating unit system of heterogeneous sedimentation crystallization nucleation mode |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108862447A (en) * | 2018-05-30 | 2018-11-23 | 广东知识城运营服务有限公司 | A kind of sea water desalination crystallization apparatus |
CN114920401A (en) * | 2022-05-07 | 2022-08-19 | 北京中矿博能节能科技有限公司 | Vacuum type ice crystal dehydration and salt washing system and application method thereof |
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