CN116332269B - Intelligent device for desalting sea water by utilizing LNG cold energy - Google Patents
Intelligent device for desalting sea water by utilizing LNG cold energy Download PDFInfo
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- CN116332269B CN116332269B CN202310450474.5A CN202310450474A CN116332269B CN 116332269 B CN116332269 B CN 116332269B CN 202310450474 A CN202310450474 A CN 202310450474A CN 116332269 B CN116332269 B CN 116332269B
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- pipe
- refrigerant
- cold energy
- liquid
- sea water
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- 239000013535 sea water Substances 0.000 title claims abstract description 75
- 238000011033 desalting Methods 0.000 title abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 72
- 239000003507 refrigerant Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 238000010612 desalination reaction Methods 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims description 38
- 239000013505 freshwater Substances 0.000 claims description 26
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical compound C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 claims description 14
- REPVLJRCJUVQFA-UHFFFAOYSA-N (-)-isopinocampheol Natural products C1C(O)C(C)C2C(C)(C)C1C2 REPVLJRCJUVQFA-UHFFFAOYSA-N 0.000 claims description 14
- 229940116229 borneol Drugs 0.000 claims description 14
- CKDOCTFBFTVPSN-UHFFFAOYSA-N borneol Natural products C1CC2(C)C(C)CC1C2(C)C CKDOCTFBFTVPSN-UHFFFAOYSA-N 0.000 claims description 14
- DTGKSKDOIYIVQL-UHFFFAOYSA-N dl-isoborneol Natural products C1CC2(C)C(O)CC1C2(C)C DTGKSKDOIYIVQL-UHFFFAOYSA-N 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 239000012267 brine Substances 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 7
- 239000012466 permeate Substances 0.000 claims description 6
- 241001233242 Lontra Species 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- 230000008014 freezing Effects 0.000 abstract description 6
- 238000007710 freezing Methods 0.000 abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000005484 gravity Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000002309 gasification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 239000002351 wastewater 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/12—Producing ice by freezing water on cooled surfaces, e.g. to form slabs
- F25C1/14—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
- F25C1/145—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes from the inner walls of cooled bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
- F25C5/02—Apparatus for disintegrating, removing or harvesting ice
- F25C5/04—Apparatus for disintegrating, removing or harvesting ice without the use of saws
- F25C5/12—Ice-shaving machines
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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 an intelligent device for desalting sea water by utilizing LNG cold energy, which comprises a flake ice bin, wherein a water delivery assembly is arranged at the top of the flake ice bin, a refrigerant pipe is arranged at the outer side of the flake ice bin, and a second refrigerant flow pipe is arranged at the top of one side of the refrigerant pipe; according to the invention, under the cooperation of the first refrigerant runner pipe, the LNG heat exchanger, the second refrigerant runner pipe, the second runner pipe, the motor reducer, the first driving motor, the liquid storage tank, the seawater outlet pipe and the ice cutting machine, cold energy can be recycled in the normal use process, and then seawater can be made into ice flakes by utilizing the cold energy, so that the subsequent desalination of the seawater is facilitated, a large amount of power sources can be saved by freezing the seawater, and meanwhile, the refrigerant can be circulated in a supporting manner in the process of freezing the seawater, so that the seawater introduced into the equipment can be continuously frozen, and a large amount of ice flakes are conveniently manufactured.
Description
Technical Field
The invention relates to the technical field of LNG cold energy recovery, in particular to an intelligent device for desalting sea water by utilizing LNG cold energy.
Background
The liquefied temperature of LNG at normal pressure is minus 162 ℃, the energy consumption of each ton of LNG is about 850kWh, the cold energy released by the re-gasification of LNG through a gasifier is about 830kJ/kg,300Mt/a of receiving stations, the released high-grade cold energy is about 79MW, according to 2021 data, about 2027.7MW of the high-grade cold energy released by 7700 ten thousand tons of LNG is calculated according to 50% LNG cold energy recycling, 2021 national LNG cold energy utilization amount is about 80 hundred million kWh (about 137.6 ten thousand tons of standard coal), at the present stage, the LNG receiving stations are generally built near harbors, an open frame type seawater gasifier (open rack vaporizer, ORV) is mostly adopted to provide a heat source for the gasification of LNG, the released cold energy after the gasification is generally directly discharged into the seawater, a large amount of cold energy is harmful to the surrounding marine ecological environment, and the traditional mode has greatly polluted the nearby sea area along with the continuous expansion of the scale of the receiving stations, so that the comprehensive utilization technology of the cold energy is researched, the LNG cold energy is not only beneficial to saving, the carbon emission is reduced, the economic benefit is greatly influenced by the economic benefit, the economic benefit can be realized, and the environmental benefit is greatly has a great environmental benefit, and the environmental benefit is also can be greatly realized, and the environmental benefit is greatly has the economic benefit and is greatly has the prospect of the economic benefit.
The existing intelligent device for sea water desalination has the following defects:
after the LNG releases cold energy, the LNG is generally directly discharged to the outside, so that the cold energy of the LNG cannot be utilized, certain resources are wasted, a large amount of electric energy is needed to be utilized to prepare the sea water into the borneol in the process of preparing the borneol by utilizing the sea water, so that the energy consumed in the process of desalting the sea water is improved, no equipment matched with the LNG cold energy is arranged in the existing market, and the LNG cold energy cannot be well used;
in the process of desalting the seawater, a gravity desalting method and a centrifugal desalting method are used for desalting the seawater, but the desalting efficiency of the two groups of methods for desalting the seawater is low, so that the seawater cannot be completely desalted in the process of desalting, and the effect of desalting the seawater is poor.
Disclosure of Invention
The invention aims to provide an intelligent device for desalting sea water by utilizing LNG cold energy, which is used for solving the problems that after LNG releases cold energy, the LNG cold energy is generally directly discharged to the outside and cannot be utilized to cause waste of certain resources, and in the process of preparing borneol by utilizing sea water, a large amount of electric energy is needed to prepare the sea water into the borneol, so that the energy consumed in the sea water desalting process is improved, and the existing market is not provided with equipment matched with the LNG cold energy, so that the LNG cold energy cannot be well used; in the process of desalting the seawater, a gravity desalting method and a centrifugal desalting method are used for desalting the seawater, but the desalting efficiency of the two groups of methods for desalting the seawater is low, so that the seawater cannot be completely desalted in the process of desalting, and the problem that the effect of desalting the seawater is poor is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: including the slice ice bin, the top in slice ice bin is equipped with the water supply subassembly, the outside in slice ice bin is equipped with the refrigerant pipe, the top in refrigerant pipe one side is equipped with the second refrigerant runner pipe, the bottom in refrigerant pipe one side is equipped with first refrigerant runner pipe, be equipped with the LNG heat exchanger between second refrigerant runner pipe and the first refrigerant runner pipe, one side of LNG heat exchanger top and bottom is equipped with the second siphunculus, the bottom in slice ice bin is equipped with the mounting tube, one side of mounting tube is equipped with the evaporative crystallizer, one side of mounting tube is equipped with first siphunculus, the inside of first siphunculus is equipped with the otter board, the bottom of first siphunculus is equipped with the separation subassembly, one side of first siphunculus is equipped with the ware that melts, the bottom of melting ware one side is equipped with the feed liquor pipe.
Preferably, the water delivery assembly comprises motor reducer, first driving motor, pivot, reservoir, sea water drain pipe and ice cutting machine, one side at slice ice storehouse top is equipped with first driving motor, first driving motor's output is equipped with motor reducer, motor reducer's bottom is equipped with the pivot, the bottom of pivot is equipped with the reservoir, the bottom of reservoir evenly is equipped with multiunit sea water drain pipe, one side at reservoir bottom is equipped with ice cutting machine.
Preferably, the separation assembly comprises second driving motor, fresh water drain pipe, drawing liquid pipe, stopper liquid section of thick bamboo, separation storehouse, pump, row material pipe, the bottom of first siphunculus is equipped with the separation storehouse, the inside bottom of separation storehouse is equipped with second driving motor, the output of second driving motor is equipped with stopper liquid section of thick bamboo, the top of separation storehouse one side is equipped with the pump, the output of pump is equipped with the second siphunculus, the input of pump is equipped with row material pipe, be equipped with fresh water drain pipe between the both sides of separation storehouse bottom.
Preferably, a baffle ring is arranged at the bottom of the separation bin, and the second driving motor is positioned in the baffle ring.
Preferably, a fixed plate is arranged right below the pump machine, and the fixed plate is connected with the separation bin.
Preferably, the mesh plate is made of an inclined plane structure, and the mesh plate is connected with the first through pipe through bolts.
Preferably, the inside of feed liquor pipe is equipped with the check valve, one side of melting the ware is equipped with the fluid-discharge tube, and one side of fluid-discharge tube is equipped with the flowmeter.
Preferably, flange plates are arranged on the outer sides of the first refrigerant circulating pipe and the second refrigerant circulating pipe, and the first refrigerant circulating pipe and the second refrigerant circulating pipe are connected with the LNG heat exchanger through the flange plates.
Preferably, the two sides of the bottom of the separation bin are symmetrically provided with liquid discharge ports, and the fresh water liquid outlet pipe is positioned in the liquid discharge ports.
Compared with the prior art, the invention provides an intelligent device for desalting sea water by utilizing LNG cold energy, which has the following beneficial effects:
1. according to the invention, under the cooperation of the first refrigerant runner pipe, the LNG heat exchanger, the second refrigerant runner pipe, the second runner pipe, the motor reducer, the first driving motor, the liquid storage tank, the seawater outlet pipe and the ice cutting machine, cold energy can be recycled in the normal use process, and then seawater can be made into ice flakes by utilizing the cold energy, so that the subsequent desalination of the seawater is facilitated, a large amount of power sources can be saved by freezing the seawater, and meanwhile, the refrigerant can be circulated in a supporting manner in the process of freezing the seawater, so that the seawater introduced into the equipment can be continuously frozen, and a large amount of ice flakes are conveniently manufactured.
2. According to the invention, under the cooperation of the melter, the second driving motor, the baffle ring, the liquid suction pipe, the liquid plug cylinder, the separation bin, the pump, the liquid suction pipe and the evaporation crystallizer, seawater can be effectively desalted in the use process, the gravity desalting and the centrifugal desalting can be combined by using LNG cold energy, and the frozen seawater is subjected to the combined use of gravity and centrifugation, so that the seawater is effectively desalted, the seawater desalting efficiency is ensured, meanwhile, in the desalting process, brine can be better separated, and the recycled wastewater discharged by water can be repeatedly filtered, so that the fresh water in the seawater can be completely separated.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a front view of the present invention at a flake ice bin;
FIG. 4 is a front view of the invention at a separation bin;
FIG. 5 is a back view of the evaporative crystallizer of the present invention;
fig. 6 is a perspective view of the baffle ring of the present invention.
In the figure: 1. a slice ice bin; 2. a rotating shaft; 3. a motor speed reducer; 4. a first driving motor; 5. a refrigerant pipe; 6. an evaporative crystallizer; 7. a liquid storage tank; 8. a seawater outlet pipe; 9. a screen plate; 10. a first through pipe; 11. a melter; 12. a second driving motor; 13. a fresh water outlet pipe; 14. a baffle ring; 15. a liquid suction pipe; 16. a liquid plugging cylinder; 17. a separation bin; 18. a pump machine; 19. a discharge pipe; 20. installing a pipe; 21. an ice cutting machine; 22. a first refrigerant flow tube; 23. an LNG heat exchanger; 24. a second refrigerant flow tube; 25. a second through pipe; 26. a liquid inlet pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: utilize LNG cold energy to carry out intelligent device of sea water desalination, including piece ice bin 1, the top of piece ice bin 1 is equipped with the water subassembly, the outside of piece ice bin 1 is equipped with refrigerant pipe 5, the top of refrigerant pipe 5 one side is equipped with second refrigerant runner pipe 24, the bottom of refrigerant pipe 5 one side is equipped with first refrigerant runner pipe 22, be equipped with LNG heat exchanger 23 between second refrigerant runner pipe 24 and the first refrigerant runner pipe 22, one side of LNG heat exchanger 23 top and bottom is equipped with second vent pipe 25, the bottom of piece ice bin 1 is equipped with mounting tube 20, one side of mounting tube 20 is equipped with evaporating crystallizer 6, one side of mounting tube 20 is equipped with first siphunculus 10, the inside of first siphunculus 10 is equipped with otter 9, the bottom of first siphunculus 10 is equipped with separating assembly, one side of first siphunculus 10 is equipped with the ware 11 that melts, the bottom of melting ware 11 one side is equipped with feed liquor pipe 26.
As a preferable scheme of the present embodiment: the water delivery assembly consists of a motor speed reducer 3, a first driving motor 4, a rotating shaft 2, a liquid storage tank 7, a seawater outlet pipe 8 and an ice cutting machine 21, wherein one side of the top of the flake ice bin 1 is provided with the first driving motor 4, the output end of the first driving motor 4 is provided with the motor speed reducer 3, the bottom of the motor speed reducer 3 is provided with the rotating shaft 2, the bottom of the rotating shaft 2 is provided with the liquid storage tank 7, the bottom of the liquid storage tank 7 is uniformly provided with a plurality of groups of seawater outlet pipes 8, one side of the bottom of the liquid storage tank 7 is provided with the ice cutting machine 21, seawater can be discharged into the flake ice bin 1 to form a water film, the flake ice bin is convenient to freeze, and the flake ice bin can be cut into ice pieces after freezing simultaneously
As a preferable scheme of the present embodiment: the separation assembly comprises a second driving motor 12, a fresh water liquid outlet pipe 13, a liquid suction pipe 15, a liquid plugging cylinder 16, a separation bin 17, a pump 18 and a discharge pipe 19, wherein the separation bin 17 is arranged at the bottom of the first through pipe 10, the second driving motor 12 is arranged at the bottom of the inside of the separation bin 17, the liquid plugging cylinder 16 is arranged at the output end of the second driving motor 12, the pump 18 is arranged at the top of one side of the separation bin 17, the second through pipe 25 is arranged at the output end of the pump 18, the discharge pipe 19 is arranged at the input end of the pump 18, the fresh water liquid outlet pipe 13 is arranged between the two sides of the bottom of the separation bin 17, the sea water can be effectively desalted in the using process, and the gravity desalting and the centrifugal desalting can be combined by using LNG cold energy, so that the sea water can be effectively desalted, the sea water can be separated out in the process of better, the circulating water can be filtered repeatedly, and the fresh water in the inside can be completely desalted.
As a preferable scheme of the present embodiment: the bottom inside the separation bin 17 is provided with the baffle ring 14, and the second driving motor 12 is positioned inside the baffle ring 14 to protect the baffle ring 14 and prevent discharged fresh water from overflowing to the baffle ring 14 to influence the baffle ring 14.
As a preferable scheme of the present embodiment: a fixing plate is arranged right below the pump 18 and is connected with the separation bin 17, so that the separation bin 17 is fixed, and the stability of the separation bin 17 is ensured.
As a preferable scheme of the present embodiment: the otter board 9 is made by the inclined plane structure, and otter board 9 is connected with first siphunculus 10 through the bolt, conveniently leads to the material.
As a preferable scheme of the present embodiment: the inside of feed liquor pipe 26 is equipped with the check valve, prevents that liquid from flowing backwards, guarantees that liquid can normally be discharged, and one side of melting ware 11 is equipped with the fluid-discharge tube, and one side of fluid-discharge tube is equipped with the flowmeter, conveniently observes the flow.
As a preferable scheme of the present embodiment: the outside of first refrigerant runner pipe 22 and second refrigerant runner pipe 24 is equipped with the ring flange, and first refrigerant runner pipe 22 and second refrigerant runner pipe 24 are connected through the ring flange with LNG heat exchanger 23, improve the effect of connection, be convenient for follow-up dismouting simultaneously.
As a preferable scheme of the present embodiment: the liquid discharge ports are symmetrically arranged on two sides of the bottom of the separation bin 17, and the fresh water liquid outlet pipe 13 is arranged in the liquid discharge ports, so that the installation is convenient.
1, as shown in fig. 1-6, in the process of introducing liquid nitrogen into the second through pipe 25, gasifying the liquid nitrogen at the second through pipe 25, releasing a large amount of cold energy in the gasifying process, then carrying out heat exchange on the cold energy and the refrigerant entering at the first refrigerant through pipe 22, enabling the temperature of the refrigerant to rapidly decrease, then introducing the refrigerant into the second refrigerant through pipe 24, then entering into the refrigerant pipe 5 for circulation, contacting the sheet ice bin 1 with the refrigerant in the process of circulating the refrigerant, enabling the surface temperature of the sheet ice bin 1 to rapidly decrease, then introducing seawater into the interior of the sheet ice bin 1, then falling into the interior of the liquid storage tank 7, at the moment, driving the liquid storage tank 7 by the first driving motor 4 under the action of the motor reducer 3, enabling the seawater outlet pipe 8 to slide on the inner wall of the sheet ice bin 1 in the rotating process, enabling the water falling into the water film to form the interior of the sheet ice bin 1, enabling the sheet ice bin 1 to rapidly decrease in the surface temperature of the sheet ice bin 1, then enabling the seawater to rapidly slide on the ice bin 7 to be crushed by the ice bin 1, and then carrying out the ice crushing process by the ice bin 1;
in embodiment 2, as shown in fig. 1-6, seawater is introduced into the evaporation crystallizer 6, so that seawater in the evaporation crystallizer 6 is made into strong brine, then the borneol is in contact with the strong brine for heat exchange, a part of salt on the borneol is separated in the process of heat exchange, at this time, the residual borneol enters the interior of the melter 11 again, the residual water falls down in the process of passing through the screen 9 and then falls into the interior of the liquid blocking cylinder 16, at this time, the second driving motor 12 is started, then the liquid blocking cylinder 16 is driven by the second driving motor 12 to rotate, so that centrifugal force is generated in the interior of the liquid blocking cylinder 16, only solvent is allowed to permeate, solute is allowed to permeate at the liquid blocking cylinder 16, fresh water and salt are separated under the action of the cooperation of centrifugal force, then the fresh water is discharged to the outside through the fresh water outlet pipe 13, and some residual salt and some residual water are separated in the interior of the liquid blocking cylinder 16, at this time, the pump 18 is started to melt the waste materials through the liquid pumping pipe 15 to the outside, ice is melted in the interior of the melter 11, at this time, the effect of gravity is discharged from the interior of the ice through the fresh water outlet pipe 26, and the residual materials are separated again after the separation is carried out in the bin.
Working principle: firstly, in the process of introducing liquid nitrogen into the second through pipe 25, gasifying the liquid nitrogen at the second through pipe 25, then releasing a large amount of cold energy in the gasifying process, then carrying out heat exchange on the cold energy and the refrigerant entering at the first refrigerant through pipe 22, so that the temperature of the refrigerant is rapidly reduced, then introducing the refrigerant into the second refrigerant through pipe 24, then entering into the refrigerant pipe 5 for circulation, in the circulating process of the refrigerant, enabling the surface temperature of the flake ice bin 1 to rapidly reduce, then introducing seawater into the flake ice bin 1, then falling into the liquid storage tank 7, at the moment, driving the liquid storage tank 7 by the first driving motor 4 under the action of the motor reducer 3, enabling the seawater outlet pipe 8 to be attached to the inner wall of the flake ice bin 1 for sliding, then attaching the water falling into the flake ice bin 1 for forming, rapidly freezing the flake ice bin 1 after the cooling of the flake ice bin 1, then enabling the flake ice bin 1 to slide in the liquid storage tank 7 for making ice by following the flake ice bin 7, and then enabling the flake ice bin 1 to slide in the ice storage tank 7 for making ice to be crushed by the ice bin;
simultaneously, the seawater is introduced into the evaporation crystallizer 6, the seawater in the evaporation crystallizer 6 is further made into strong brine, then the borneol is contacted with the strong brine for heat exchange, a part of salt on the borneol is separated in the process of heat exchange, at the moment, the residual borneol enters the interior of the melter 11 again, the residual water falls down in the process of passing through the screen 9 and then falls into the interior of the liquid plugging barrel 16, at the moment, the second driving motor 12 is started, then the second driving motor 12 drives the liquid plugging barrel 16 to rotate, so that centrifugal force is generated in the interior of the liquid plugging barrel 16, the position of the liquid plugging barrel 16 only allows solvent to permeate and does not allow solute to permeate, fresh water and salt are separated under the action of the matched centrifugal force, then the fresh water is discharged to the outside through the fresh water liquid pipe 13, and some residual water is separated in the interior of the liquid plugging barrel 16, then the pump 18 is started, the waste materials are pumped to the outside through the liquid pumping pipe 15, the ice is melted in the interior of the melter 11, the fresh water is separated from the ice through the gravity, and after the residual materials are discharged into the separated material through the liquid plugging barrel 26 again.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. Utilize LNG cold energy to carry out intelligent device of sea water desalination, including piece ice bin (1), its characterized in that: the top of the flake ice bin (1) is provided with a water delivery component, the outer side of the flake ice bin (1) is provided with a refrigerant pipe (5), the top of one side of the refrigerant pipe (5) is provided with a second refrigerant flow pipe (24), the bottom of one side of the refrigerant pipe (5) is provided with a first refrigerant flow pipe (22), an LNG heat exchanger (23) is arranged between the second refrigerant flow pipe (24) and the first refrigerant flow pipe (22), one side of the top and the bottom of the LNG heat exchanger (23) is provided with a second through pipe (25), the bottom of the flake ice bin (1) is provided with a mounting pipe (20), one side of the mounting pipe (20) is provided with an evaporative crystallizer (6), one side of the mounting pipe (20) is provided with a first through pipe (10), the inside of the first through pipe (10) is provided with a screen (9), the bottom of the first through pipe (10) is provided with a separation component, one side of the first through pipe (10) is provided with a melter (11), and the bottom of one side of the melter (11) is provided with a liquid inlet pipe (26); wherein, let in the sea water to the inside preparation borneol of slice ice storehouse (1), simultaneously let in the sea water to the inside of evaporation crystallizer (6) again, and then the sea water preparation strong brine of evaporation crystallizer (6) inside, then borneol and strong brine contact carry out the heat exchange, partial salt on the in-process borneol of heat exchange is separated, this moment the inside of the reentrant to melting ware (11) of remaining borneol, and the water that remains drops in the in-process through otter board (9), and then fall to the inside of stopper liquid section of thick bamboo (16), start second driving motor (12) this moment, then second driving motor (12) drive stopper liquid section of thick bamboo (16) and rotate, make the inside of stopper liquid section of thick bamboo (16) produce centrifugal force, and stopper liquid section of thick bamboo (16) department only allows the solvent to permeate, not allow the solute to permeate through, separate fresh water and salt under the effect of cooperation centrifugal force, then fresh water then is discharged outside through fresh water drain pipe (13), and some remaining water then separate in the inside of stopper liquid section of thick bamboo (16), and then start pump (18), pump (18) are carried out the effect of melting waste materials in the inside of stopper liquid section of thick bamboo (16) through the effect of melting through the separation in the inside of the ice of the separation ware (17) again through the effect of separating the inside of stopper liquid section of thick bamboo (16).
2. The intelligent device for desalinating sea water by utilizing LNG cold energy according to claim 1, wherein: the water supply assembly consists of a motor speed reducer (3), a first driving motor (4), a rotating shaft (2), a liquid storage tank (7), a seawater outlet pipe (8) and an ice cutting machine (21), wherein one side of the top of the flake ice bin (1) is provided with the first driving motor (4), the output end of the first driving motor (4) is provided with the motor speed reducer (3), the bottom of the motor speed reducer (3) is provided with the rotating shaft (2), the bottom of the rotating shaft (2) is provided with the liquid storage tank (7), the bottom of the liquid storage tank (7) is uniformly provided with a plurality of groups of seawater outlet pipes (8), and one side of the bottom of the liquid storage tank (7) is provided with the ice cutting machine (21).
3. The intelligent device for desalinating sea water by utilizing LNG cold energy according to claim 1, wherein: the utility model discloses a fresh water liquid discharging device, including separation subassembly, fresh water liquid discharging device, separation subassembly is by second driving motor (12), fresh water drain pipe (13), drawing liquid pipe (15), stopper liquid cylinder (16), separation storehouse (17), pump (18), discharge pipe (19) are constituteed, the bottom of first siphunculus (10) is equipped with separation storehouse (17), the inside bottom of separation storehouse (17) is equipped with second driving motor (12), the output of second driving motor (12) is equipped with stopper liquid cylinder (16), the top of separation storehouse (17) one side is equipped with pump (18), the output of pump (18) is equipped with second vent pipe (25), the input of pump (18) is equipped with discharge pipe (19), be equipped with fresh water drain pipe (13) between the both sides of separation storehouse (17) bottom.
4. An intelligent device for desalinating sea water using LNG cold energy according to claim 3, wherein: the bottom inside separation storehouse (17) is equipped with keeps off ring (14), second driving motor (12) are located the inside of keeping off ring (14).
5. An intelligent device for desalinating sea water using LNG cold energy according to claim 3, wherein: a fixed plate is arranged right below the pump (18), and the fixed plate is connected with the separation bin (17).
6. The intelligent device for desalinating sea water by utilizing LNG cold energy according to claim 1, wherein: the net plate (9) is made of an inclined plane structure, and the net plate (9) is connected with the first through pipe (10) through bolts.
7. The intelligent device for desalinating sea water by utilizing LNG cold energy according to claim 1, wherein: the inside of feed liquor pipe (26) is equipped with the check valve, one side of melting ware (11) is equipped with the fluid-discharge tube, and one side of fluid-discharge tube is equipped with the flowmeter.
8. The intelligent device for desalinating sea water by utilizing LNG cold energy according to claim 1, wherein: the outer sides of the first refrigerant circulating pipe (22) and the second refrigerant circulating pipe (24) are provided with flange plates, and the first refrigerant circulating pipe (22) and the second refrigerant circulating pipe (24) are connected with the LNG heat exchanger (23) through the flange plates.
9. The intelligent device for desalinating sea water by utilizing LNG cold energy according to claim 1, wherein: liquid discharge ports are symmetrically arranged on two sides of the bottom of the separation bin (17), and the fresh water liquid outlet pipe (13) is positioned in the liquid discharge ports.
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