CN211056755U - Low-temperature efficient atomization injection seawater desalination device - Google Patents
Low-temperature efficient atomization injection seawater desalination device Download PDFInfo
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- CN211056755U CN211056755U CN201920530033.5U CN201920530033U CN211056755U CN 211056755 U CN211056755 U CN 211056755U CN 201920530033 U CN201920530033 U CN 201920530033U CN 211056755 U CN211056755 U CN 211056755U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Abstract
The utility model relates to a high-efficient atomizing of low temperature is drawn and is penetrated sea water desalination device is applicable to the sea water desalination field. The device includes: the device comprises a low-pressure evaporation chamber, a solar heating device, a high-efficiency atomizing device, a gas-liquid separation device and a steam injection condensing device. The process flow comprises the following steps: the heated seawater is atomized by the high-efficiency atomization device, part of the atomized seawater is changed into vapor, and other droplets of the seawater are isolated by the gas-liquid separation device, and then the vapor is changed into fresh water for life through ejection and condensation. The device makes full use of low-grade heat energy, has low energy consumption, utilizes renewable energy sources to reduce pollution, has low manufacturing cost, high yield and salt yield, is suitable for large-scale popularization, and is extremely favorable for daily life of residents in coastal areas and use of small and medium-sized fishing boats in coastal areas.
Description
Technical Field
The utility model relates to a sea water desalination technical field especially relates to a high-efficient atomizing of low temperature draws device of penetrating sea water desalination.
Background
China is short of fresh water resources, only accounts for 1/30 in the average level of people in the world, and nearly 70% of urban water in China cannot be effectively guaranteed. In recent years, along with the shortage and pollution of water resources, the shortage of fresh water in Zhejiang, Fujian and Guangdong coastal areas and the like becomes an important obstacle to the sustainable development of economy.
At present, a solar thermal compression type mechanical vapor recompression seawater desalination device is basically composed of a large number of devices such as a solar heat collector, a vapor ejector, a compressor, a heating chamber, an evaporator, a heat exchanger and the like, and the use of the processes is limited due to the complex structure and large occupied area.
The commercially available methods for desalinating seawater mainly include distillation and reverse osmosis. The distillation method is mainly applied to the ultra-large seawater desalination treatment, the equipment volume is large, the device cost is high, the existing combined device needs electricity and heat energy at the same time, and the device is generally combined with a power plant, so that the popularization of the life of coastal residents and the application of medium and small coastal fishing boats are not facilitated. The current obstacles of the reverse osmosis method are that the service life of the membrane is short, the membrane replacement cost is high, the requirement on seawater pretreatment is high, the reverse osmosis membrane, the high-pressure pump and the energy recovery device need to be replaced regularly, and the operation is troublesome.
Disclosure of Invention
To the problem that above-mentioned sea water desalination device exists, the utility model provides a make full use of low-grade heat source, low, the small, the high-efficient atomizing of low temperature that throughput is big draws sea water desalination device, its device includes: a solar heating device 1; a low-pressure gasification chamber 2; a strong brine pond 3; a seawater raw material pool 4; a fresh water collection box 5; a steam condensation injection device 6; a high efficiency atomizer 105; a seawater vaporization heater S1; a gas-liquid separation device S2; the atomizing heater S3 is strengthened.
The process flow comprises the following steps: preheated seawater is sprayed out in a foggy mode through the high-efficiency atomizing nozzle 105, part of the seawater is changed into steam after the seawater is atomized, other seawater droplets are separated through the gas-liquid separation device S2, and then the steam is changed into fresh water through ejection and condensation to be used for life. The specific scheme can be realized by the following technical means.
A low-temperature high-efficiency atomization injection seawater desalination device comprises:
the solar heating device 1 is connected to the low pressure gasification chamber 2 for heating the low pressure gasification chamber 2, and connected to the atomizer water supply pipe 106 for preheating the seawater and enhancing the atomization effect.
A low-pressure gasification chamber 2 communicated with the concentrated brine flow pipe 103 at the left end thereof, and an atomization nozzle 105 arranged above the low-pressure gasification chamber. The right side thereof includes a gas-liquid separation device S2 and a steam injection condensing device 6. The gas-liquid separation device S2 is connected with the steam injection condensing device 6, so that part of the atomized seawater is changed into vapor to be separated from other seawater droplets, and the vapor enters the steam injection condensing device 6 to be cooled, thereby preventing the fresh water from being polluted.
The low pressure gasification chamber 2 is heated and gasified by solar energy, after seawater is heated and gasified, strong brine generated by the low pressure gasification chamber 2 flows into the strong brine pool 3 through the strong brine flow pipe 103, and then is discharged through the strong brine pool 3.
The high-efficiency atomization device comprises an atomization pump 108, an atomizer water supply pipe 106 and a high-efficiency atomization nozzle 105, seawater is preheated by an intensified atomization heater S3 through the atomizer water supply pipe 106, the temperature is increased, the pressure gasification is intensified in the low-pressure gasification chamber 2, the atomization effect is enhanced, the gas yield is increased rapidly, and the gasification speed of the low-pressure gasification chamber 2 is increased effectively; after the seawater is atomized, part of the atomized seawater is changed into steam, and the other part of the atomized seawater is seawater droplets, and the seawater droplets are isolated by the gas-liquid separation device S2 to prevent the fresh water from being polluted.
And one end of the steam injection condensing device 6 is communicated with the low-pressure gasification chamber 2 through an air inlet pipe, and the other end of the steam injection condensing device 6 is communicated with the fresh water collecting tank through a fresh water flowing pipeline 114. The water vapor flows into the diffusion chamber B6 through the injection nozzle B1, is condensed into liquid by the cooling circulation seawater of the condensation chamber B3, and flows into the fresh water collecting tank through the fresh water flow pipe 114. And the steam ejection condensing device 6 and the fresh water collecting chamber 5 are controlled by a hydraulic pump 115.
The condensing chamber B3 is connected to the cooling circulation seawater inflow pipe 111 and the cooling circulation seawater outflow pipe 112, and the cold seawater flows into the cooling circulation seawater inflow pipe 111 and flows out of the cooling circulation seawater outflow pipe 112, thereby condensing the water vapor, and having sufficient raw materials and energy saving.
The power supply and the drive of the atomizing pump 108 and the hydraulic pump 115 select the wind power device 110.
Preferably, the low-pressure gasification chamber 2 and the concentrated salt liquid pool 3 have a height difference H1, the concentrated salt liquid pool 3 and the seawater raw material pool 4 have a certain height difference H2, and H1> H2, and the low-pressure gasification chamber 2 is formed by utilizing the self-gravity negative pressure of seawater.
Preferably, the low-temperature heat source solar heating device 1 is used for heating the seawater in the low-pressure gasification chamber 2, the temperature is controlled to be 20-80 ℃, the energy consumption is low, the low-temperature solar energy is not even used for heating, and the seawater is gasified by using the heat of the seawater at 20 ℃.
Preferably, the seawater vaporization heater S1 in the low-pressure vaporization chamber is a liquid rotary spherical heater.
Preferably, the atomizing pump 108 and the hydraulic pump 115 are driven by the wind power device 110.
Preferably, the steam ejection condensing device 6 comprises a spray head B1, a suction chamber B2, a diffusion chamber B6 and a condensing chamber B3.
The utility model provides a sea water desalination device is drawn in high-efficient atomizing of low temperature, including a plurality of structures: one part of the system is to utilize the solar heating device 1 to evaporate seawater and enhance atomization effect; one part is a wind power device 110 which is used for supplying power to the hydraulic pump 115 and the atomizing pump 108 to provide power for the hydraulic pump and the atomizing pump; the part is a high-efficiency atomization device, seawater pumped by an atomization pump 108 flows through an atomizer water supply pipe 106 for preheating, and then is sprayed by a high-efficiency atomization nozzle 105 to become fog-like small water drops; one part is a gas-liquid separation device S2, so that part of the atomized seawater is changed into vapor to be separated from other seawater droplets, and the vapor enters the ejector device to be cooled, thereby preventing the fresh water from being polluted; the other part is a steam ejection condensing device 6 which cools the water vapor into liquid water, and finally the fresh water flows into a fresh water collecting box 5 for life use.
Compared with the prior art, the utility model, following advantage and beneficial effect have: when the low-temperature high-efficiency injection seawater desalination device is used for seawater desalination, the low-grade heat energy can be fully utilized, the operation is simple and easy, the operation cost is low, large investment is not needed, and the low-temperature high-efficiency injection seawater desalination device can be widely popularized compared with the traditional distillation method which has more energy consumption and high cost. And the concentration rate of the seawater in the atomization process is very high, so that salt can be better separated out. And the water supply pipe 106 of the atomizer is preheated by solar energy, the temperature is increased, the pressure gasification is intensified in the low-pressure gasification chamber 2, the atomization effect is enhanced, the gas production is increased rapidly, the device scale is flexible, the investment is low, and the low-level heat energy can be conveniently utilized. And the steam injection condensing device 6 is utilized, the operation is simple, the steam recovery rate is high, cold seawater is used for condensing steam, the energy consumption is reduced, and the cost is very low. In view of the above, in view of the above problems, the present invention provides a low-temperature high-efficiency atomization injection seawater desalination device. The negative pressure distillation is realized by utilizing the self-weight negative force of the seawater, thereby greatly reducing the energy consumption and fully utilizing the low-grade heat source. And the high-efficiency atomization technology is combined, the seawater evaporation efficiency can be increased, and the salt yield is increased. And finally, the seawater cooling system is used for cooling the water vapor injection device, so that the operation is simple and convenient, the raw materials are wide, and the energy consumption is low. On the whole, the device has simple structure, less investment and high desalination efficiency and salt yielding efficiency, and is suitable for small and medium-sized fishing boats in light sea islands, coastal areas and residents and inshore areas.
Therefore, in conclusion, the device utilizes the wind power device 110 to drive the atomizing pump 108 and the hydraulic pump 115, the solar energy is used for heating and improving the gasification temperature, low-grade heat energy is well utilized, the energy consumption is low, the energy efficiency is improved, and renewable resources are utilized to reduce the energy consumption. And by utilizing the high-efficiency spraying technology and the liquid self-weight negative pressure technology, the device has low cost, high yield and salt yield, is very suitable for large-scale popularization, and is extremely favorable for daily life of residents in islands and coastal areas and use of small and medium-sized fishing boats in coastal areas.
Drawings
Fig. 1 is a schematic structural diagram of a low-temperature high-efficiency atomization injection seawater desalination device provided by an embodiment of the utility model;
fig. 2 is a detailed structural diagram of the steam injection condensing device in the embodiment of the present invention.
Reference numerals:
1: a solar heating device; 2: a low pressure gasification chamber; 3: a strong brine pond; 4: a seawater raw material pool; 5: a fresh water collection box; 6: a steam injection condensing device;
s1: a seawater gasification heater; s2: a gas-liquid separation device; s3: strengthening an atomizing heater;
b1: a spray head; b2: a suction chamber; b3: a condensing chamber; b4; a working fluid; b5, injecting steam; b6: a pressure expansion chamber;
101-102: a heating circuit; 103: strong brine flows through the pipeline; 104: strong brine discharge pipeline; 105: a high-efficiency atomizing spray head; 106: an atomizer water supply pipe; 107: a seawater input device; 108: an atomizing pump; 109: a steam injection pipeline; 110: a wind power plant; 111: cooling circulating seawater flows into the pipeline; 112: a cooling circulation seawater outflow pipeline; 113: a hydraulic conveying pipeline; 114: fresh water flows through the pipeline; 115: a hydraulic pump: 116: fresh water discharge pipeline.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the embodiment of the utility model provides a low temperature high efficiency atomizing draws and penetrates sea water desalination device, include:
the height difference H1 exists between the low-pressure gasification chamber 2 and the concentrated salt liquid pool 3, and the height difference H2 exists between the concentrated salt liquid pool 3 and the seawater raw material pool 4, which are generated by liquid self-gravity negative pressure, and H1 is ensured to be more than H2.
The strong brine generated by the low-pressure gasification chamber 2 flows into the strong brine tank 3 through the strong brine flow pipe 103, and then is discharged through the strong brine discharge pipe 104.
The solar heating device 1 heats the low-pressure gasification chamber 2, so that the temperature of the low-pressure gasification chamber 2 is controlled to be 20-80 ℃. And one path of the solar heating device 1 is connected with the low-pressure gasification chamber 2 and used for heating the low-pressure gasification chamber 2, and the other path is connected with the water supply pipeline 106 of the atomizer and used for preheating atomized seawater and strengthening the atomization effect. The seawater vaporization heater S1 adopts a liquid rotary spherical heater.
With the high-efficient atomizer 105 of being connected above the low pressure vaporizer 2, the sea water in the sea water raw material pond 4 passes through atomizing pump 108 and extracts through atomizer delivery pipe 106, and the sea water is preheated by strengthening atomizing heater S3 through atomizer delivery pipe 106, and the increase in temperature sprays through high-efficient atomizer 105 and handles for pressurization gasification aggravation in the low pressure vaporizer, and the atomization effect strengthens, and the while gas production sharply increases, effectively improves vaporizer gasification speed. The high-efficiency atomizing nozzle 105 with the inner diameter of 0.2-1.5 mm is required to be used for spraying the seawater at the flow speed of 200-300 m/s into the evaporation chamber under the control of the atomizing pump 108, and the seawater is dispersed into fog drops with the particle size of 30-100 mu m.
The gas-liquid separation device S2 in the low-pressure gasification chamber 2 is connected with the steam injection condensing device 6, so that part of the atomized seawater is changed into vapor to be separated from other seawater droplets, the vapor enters the injection device to be cooled, and the pollution of the fresh water is prevented.
As shown in fig. 2, the vapor injection condensing device 6 includes a nozzle B1, a suction chamber B2, a diffusion chamber B6, and a condensing chamber B3. The injected steam B5 enters the suction chamber B2 through the nozzle B1, then enters the diffusion chamber B6 together with the working fluid B4, and then is condensed into liquid by the cooling circulation seawater of the condensation chamber B3, and flows into the fresh water collection tank 5 through the fresh water flowing pipeline 114.
The condensation chamber B3 has one end connected to the cooling circulation seawater inflow pipe 111 and one end connected to the cooling circulation seawater outflow pipe 112. The cold seawater flows in from the cooling circulation seawater inflow pipe 111 and flows out from the cooling circulation seawater outflow pipe 112, and functions to condense water vapor. The water vapor flows into the diffusion chamber B6 through the injection nozzle B1, is condensed into liquid by the cooling circulation seawater of the condensation chamber B3, and flows into the fresh water collection tank 5 through the fresh water flow pipe. And the steam ejection condensing device 6 and the fresh water collecting chamber 5 are controlled by a hydraulic pump 115.
The fresh water in the fresh water collecting box 5 flows out through the fresh water discharging pipeline 116.
The atomizing pump 108 and the hydraulic pump 115 are connected with a wind power device 110, and the wind power device supplies power and drives the wind power device.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a sea water desalination device is penetrated in high-efficient atomizing of low temperature, its characterized in that, the device utilizes low-efficient atomizing to penetrate condensation method and desalinates the sea water, and its device includes: a solar heating device (1); a low-pressure gasification chamber (2); a strong brine pool (3); a seawater raw material pool (4); a fresh water collecting tank (5); a steam condensation injection device (6); a high efficiency atomizer (105); a seawater vaporization heater (S1); a gas-liquid separation device (S2); intensifying the atomizing heater (S3); the process flow comprises the following steps: the heated seawater is atomized into steam in the low-pressure gasification chamber (2) through the high-efficiency atomization nozzle (105), and then is condensed and recovered through the steam injection condensing device (6).
2. The low-temperature high-efficiency atomization injection seawater desalination device according to claim 1, which is characterized in that: the process flow comprises the following steps: the heated seawater is sprayed out in a foggy manner through the high-efficiency atomizing nozzle (105), part of the heated seawater is changed into steam after the seawater is atomized, and other seawater droplets are separated through the gas-liquid separation device (S2), and then the steam is changed into fresh water for life through ejection and condensation.
3. The low-temperature high-efficiency atomization injection seawater desalination device according to claim 1, which is characterized in that: the seawater of the high-efficiency atomization device is controlled by an atomization pump (108), the steam injection condensing device (6) and the fresh water collecting box (5) are controlled by a hydraulic pump (115), and the atomization pump (108) and the hydraulic pump (115) are driven by a wind power device (110).
4. The low-temperature high-efficiency atomization injection seawater desalination device according to claim 1, which is characterized in that: utilize atomizing pump (108) to extract sea water and preheat with strengthening atomizing heater (S3) through atomizer delivery pipe (106), then in high-efficient atomizer (105) with the sea water vaporific spraying into low pressure vaporizer (2), pressurization gasification aggravation in low pressure vaporizer (2), the atomization effect reinforcing, the while gas production sharply increases, effectively improves low pressure vaporizer (2) gasification speed.
5. The low-temperature high-efficiency atomization injection seawater desalination device according to claim 1, which is characterized in that: the height difference H1 exists between the low-pressure gasification chamber (2) and the concentrated salt liquid pool (3), the height difference H2 exists between the concentrated salt liquid pool (3) and the seawater raw material pool (4), and H1 is greater than H2, and the low-pressure gasification chamber (2) is formed by utilizing the self-gravity negative pressure of seawater.
6. The low-temperature high-efficiency atomization injection seawater desalination device according to claim 1, which is characterized in that: the seawater in the low-pressure gasification chamber (2) is heated by the solar heating device (1), the temperature is controlled to be 20-80 ℃ by a seawater gasification heater (S1), the energy consumption is low, the low-temperature solar energy is not even heated, and the heat of the seawater at 20 ℃ is utilized for gasification.
7. The low-temperature high-efficiency atomization injection seawater desalination device according to claim 1, which is characterized in that: the seawater heater (S1) in the low-pressure gasification chamber (2) adopts a liquid-rotating spherical heater, so that the scale formation of the heat exchanger can be effectively reduced, and the liquid-rotating spherical heater has the characteristics of large heat transfer area, good effect and simple structure.
8. The low-temperature high-efficiency atomization injection seawater desalination device according to claim 1, which is characterized in that: after the seawater is atomized, part of the seawater is changed into steam, and the other part is seawater droplets, and the gas-liquid separation device (S2) separates the seawater droplets to prevent the fresh water from being polluted.
9. The low-temperature high-efficiency atomization injection seawater desalination device according to claim 1, which is characterized in that: the steam injection condensing device (6) comprises a spray head (B1), a suction chamber (B2), a diffusion chamber (B6) and a condensing chamber (B3).
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| CN201920530033.5U CN211056755U (en) | 2019-04-18 | 2019-04-18 | Low-temperature efficient atomization injection seawater desalination device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867317A (en) * | 2019-04-18 | 2019-06-11 | 安徽理工大学 | A kind of efficient cryogenic atomization injection desalination plant and its method |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| CN116282301A (en) * | 2023-03-17 | 2023-06-23 | 武汉理工大学 | Sea water desalination and collection device adopting solar energy interface evaporation coupling radiation refrigeration |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
| CN116282301B (en) * | 2023-03-17 | 2024-04-26 | 武汉理工大学 | Sea water desalination and collection device adopting solar energy interface evaporation coupling radiation refrigeration |
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2019
- 2019-04-18 CN CN201920530033.5U patent/CN211056755U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867317A (en) * | 2019-04-18 | 2019-06-11 | 安徽理工大学 | A kind of efficient cryogenic atomization injection desalination plant and its method |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11563229B1 (en) | 2022-05-09 | 2023-01-24 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11611099B1 (en) | 2022-05-09 | 2023-03-21 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11699803B1 (en) | 2022-05-09 | 2023-07-11 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
| CN116282301A (en) * | 2023-03-17 | 2023-06-23 | 武汉理工大学 | Sea water desalination and collection device adopting solar energy interface evaporation coupling radiation refrigeration |
| CN116282301B (en) * | 2023-03-17 | 2024-04-26 | 武汉理工大学 | Sea water desalination and collection device adopting solar energy interface evaporation coupling radiation refrigeration |
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