CN113860412A - TEC self-heating condensation seawater desalination system using solar energy as energy source - Google Patents

TEC self-heating condensation seawater desalination system using solar energy as energy source Download PDF

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Publication number
CN113860412A
CN113860412A CN202111242532.2A CN202111242532A CN113860412A CN 113860412 A CN113860412 A CN 113860412A CN 202111242532 A CN202111242532 A CN 202111242532A CN 113860412 A CN113860412 A CN 113860412A
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seawater
tec
subsystem
tank
condensation
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CN202111242532.2A
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Chinese (zh)
Inventor
乔忠良
赵志斌
陈浩
李再金
曾丽娜
李林
刘国军
曲轶
杨禹霖
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Hainan Normal University
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Hainan Normal University
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Priority to CN202111242532.2A priority Critical patent/CN113860412A/en
Publication of CN113860412A publication Critical patent/CN113860412A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/14Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/043Details
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/138Water desalination using renewable energy
    • Y02A20/142Solar thermal; Photovoltaics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/208Off-grid powered water treatment
    • Y02A20/212Solar-powered wastewater sewage treatment, e.g. spray evaporation

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

The invention discloses a TEC self-heating condensation seawater desalination system using solar energy as energy, which comprises: the system comprises a TEC array, a seawater tank, a fresh water storage tank, a water vapor flow guide pipe and a solar cell subsystem; a TEC array and a seawater tank are sequentially arranged above the fresh water storage tank; the heat producing end of the TEC array is contacted with the seawater tank; the refrigerating end of the TEC array is contacted with a water vapor guide pipe; the seawater tank is provided with a steam outlet; the fresh water storage tank is provided with a condensation area and a condensed water inlet; one end of the water vapor diversion pipe is connected with the steam outlet, and the other end of the water vapor diversion pipe is connected with the condensed water inlet through the condensation area; the solar cell subsystem is electrically connected with the TEC array. The system can automatically desalt seawater, collect fresh water obtained by condensation, and reduce energy consumption by using solar energy as electric energy. The whole system device is simple and reliable, has low cost, is convenient for large-scale popularization and application, and has important application value.

Description

TEC self-heating condensation seawater desalination system using solar energy as energy source
Technical Field
The invention relates to the technical field of seawater desalination, in particular to a TEC self-heating condensation seawater desalination system taking solar energy as energy.
Background
The seawater desalination device is an indispensable device for field survival in the open sea, island, ocean and offshore fields. With the development of science and technology, more and more novel seawater desalination devices are moving to the daily lives of people in inshore and offshore areas. The existing seawater desalination device needs enough electric power to work, the seawater is gasified by heating the seawater, and then the fresh water steam is condensed by electric power refrigeration; or the seawater is filtered layer by layer through various filtering devices to filter excessive salts and harmful substances in the seawater, various filtering media and permeation films are needed, the technical content requirement is high, and the maintenance and the repair are difficult.
A semiconductor Cooler (Thermo Electric Cooler) is made using the peltier effect of semiconductor materials. The peltier effect is a phenomenon in which when a direct current passes through a couple composed of two semiconductor materials, one end absorbs heat and the other end releases heat. The heavily doped N-type and P-type semiconductor materials are electrically connected in series and generate heat in parallel. The TEC comprises a number of P-type and N-type pairs (sets) connected together by electrodes and sandwiched between two ceramic electrodes; when current flows through the TEC, the heat generated by the current is transferred from one side of the TEC to the other, creating a "hot" side and a "cold" side on the TEC, which is the principle of heating and cooling of the TEC.
The existing seawater desalination device has high technical complexity, high price and inconvenient maintenance and repair, so that the application is difficult to popularize on a large scale. So that people prefer to supply rain by the day and do not prefer to select a safe and sanitary seawater desalination device.
Therefore, on the basis of the existing seawater desalination device, how to provide a TEC self-heating condensation seawater desalination system using solar energy as energy source to automatically desalinate seawater, reduce cost and reduce energy consumption is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above problems, the present invention provides a TEC self-heating condensation seawater desalination system using solar energy as an energy source, which can at least solve some of the above technical problems, and can automatically desalt seawater, collect fresh water obtained by condensation, and reduce energy consumption by using solar energy as electric energy.
The embodiment of the invention provides a TEC self-heating condensation seawater desalination system using solar energy as energy, which comprises: the system comprises a TEC array, a seawater tank, a fresh water storage tank, a water vapor flow guide pipe and a solar cell subsystem; the TEC array and the seawater tank are sequentially arranged above the fresh water storage tank;
wherein the TEC array heating end is in contact with the seawater tank; the refrigerating end of the TEC array is contacted with the water vapor guide pipe;
the seawater tank is provided with a steam outlet; the fresh water storage tank is provided with a condensation area and a condensed water inlet;
one end of the steam guide pipe is connected with the steam outlet, and the other end of the steam guide pipe is connected with the condensed water inlet through the condensation area;
the solar cell subsystem is electrically connected with the TEC array.
Further, the solar cell subsystem includes: the solar energy power supply comprises a solar cell panel, a current stabilizer, a transformer and a storage battery;
the solar cell panel is connected with one end of the current stabilizer; the other end of the current stabilizer is respectively connected with the transformer and the storage battery; the storage battery is connected with the transformer.
Further, still include: the salinity control subsystem and the water pumping subsystem;
one end of the salinity control subsystem is connected with the seawater tank and is used for acquiring the concentration of seawater in the seawater tank in real time; the other end of the salinity control subsystem is connected with the water pumping subsystem and used for controlling the water pumping subsystem to be filled with seawater and/or discharge high-concentration seawater when the concentration of the seawater reaches a limit value;
the seawater tank is provided with a conventional seawater inlet and a high-concentration seawater outlet; the pump water subsystem is respectively communicated with the conventional seawater inlet and the high-concentration seawater outlet through pipelines;
the solar cell subsystem is electrically connected with the salinity control subsystem and the water pumping subsystem.
Further, still include: a temperature control subsystem;
one end of the temperature control subsystem is connected with a temperature detector in the seawater tank, and the other end of the temperature control subsystem is connected with the heating end of the TEC array and is used for controlling the temperature of the heating end of the TEC array to be within the range of the steam generation temperature;
the solar cell subsystem is electrically connected with the temperature control subsystem.
Further, still include: an alarm subsystem; the warning subsystem is respectively connected with the fresh water storage tank and the salinity control subsystem and is used for warning when the water level in the fresh water storage tank and the seawater concentration in the seawater tank reach the limit values;
the solar cell subsystem is electrically connected with the warning subsystem.
Further, the TEC array is generated by electrically connecting N × N TECs in series; the TEC array is 3-60 degrees away from the horizontal plane.
Further, the condensation area adopts a fin type internal structure or a honeycomb type internal structure.
Further, the condensing area is 3-60 degrees from the horizontal plane.
Further, the solar panel and the horizontal plane form an angle of 1-45 degrees.
Furthermore, the fresh water storage tank is externally connected with a fresh water discharge valve.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
the embodiment of the invention provides a TEC self-heating condensation seawater desalination system using solar energy as energy, which comprises: the system comprises a TEC array, a seawater tank, a fresh water storage tank, a water vapor flow guide pipe and a solar cell subsystem; a TEC array and a seawater tank are sequentially arranged above the fresh water storage tank; the heat producing end of the TEC array is contacted with the seawater tank; the refrigerating end of the TEC array is contacted with a water vapor guide pipe; the seawater tank is provided with a steam outlet; the fresh water storage tank is provided with a condensation area and a condensed water inlet; one end of the water vapor diversion pipe is connected with the steam outlet, and the other end of the water vapor diversion pipe is connected with the condensed water inlet through the condensation area; the solar cell subsystem is electrically connected with the TEC array. The system can automatically desalt seawater, collect fresh water obtained by condensation, and reduce energy consumption by using solar energy as electric energy. The whole system device is simple and reliable, low in cost, strong in timeliness, convenient for large-scale popularization and application and has important application value.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an external device of a TEC self-heating condensation seawater desalination system using solar energy as an energy source according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation of the subsystems provided by the embodiment of the present invention;
fig. 3 is a structural frame diagram of a TEC array and a solar cell subsystem provided in an embodiment of the present invention;
fig. 4 is a structural framework diagram of each subsystem according to an embodiment of the present invention.
In the drawings: 1-a TEC array; 2-sea water tank; 3-fresh water storage tank; 4-a steam flow guide pipe; 5-steam outlet; 6-a condensation zone; 7-a condensate inlet; 8-solar panel; 9-conventional seawater introducing port; 10-high concentration seawater export.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
An embodiment of the present invention provides a TEC self-heating condensation seawater desalination system using solar energy as an energy source, which is shown in fig. 1 and fig. 2 and includes: sea water tank 2, fresh water storage tank 3, vapor honeycomb duct 4, solar cell subsystem, TEC array 1, salinity control subsystem, temperature control subsystem, pump water subsystem and warning subsystem.
The solar cell subsystem is respectively connected with the TEC array 1, the salinity control subsystem, the warning subsystem, the temperature control subsystem and the water pumping subsystem to supply power for the solar cell subsystem. Referring to fig. 1 and 3, the heating end of the TEC array 1 is in contact with the seawater tank 2 to generate water vapor. The seawater tank 2 is connected to a steam outlet 5 of the steam draft tube 4, and discharges the generated steam to the steam draft tube 4. And a condensed water inlet 7 of the water vapor draft tube 4 is in contact with the refrigerating end of the TEC array 1, and the guided water vapor is refrigerated on the refrigerating side of the TEC array 1 to generate condensed water which flows to the fresh water storage tank 3 through the condensing area 6. Referring to fig. 2, the seawater tank 2 is connected with a salinity control subsystem to monitor the seawater concentration in real time. The salinity control subsystem is connected with the water pumping subsystem, and seawater is filled when the concentration of the seawater reaches a limit value. The seawater tank 2 is also connected with a temperature control subsystem, and the temperature in the seawater tank 2 is monitored in real time. The temperature control subsystem is connected with the TEC array 1 and used for controlling the temperature of the heating end of the TEC array 1 to reach the water vapor generation temperature. The warning subsystem is respectively connected with the fresh water storage tank 3 and the salinity control subsystem, and gives a warning when the water level of the fresh water tank and the concentration of the seawater reach the limit values.
The TEC self-heating condensation seawater desalination system using solar energy as energy provided by the embodiment can supply power by using solar energy without an external power supply; through the operating characteristic of TEC array self, form the series array, the one side heating of array district, the one side refrigeration, the heating face is used for accelerateing the sea water evaporation, and the steam condensation is accelerated to the refrigeration face, forms distilled water fast. The whole system device is simple and reliable, low in cost, strong in timeliness, convenient for large-scale popularization and application and has important application value.
Specifically, referring to fig. 4, the solar cell subsystem simultaneously supplies power to the TEC array 1, the salinity control subsystem, the alarm subsystem, the temperature control subsystem, and the water pumping subsystem. Referring to fig. 2, the solar cell subsystem includes a solar cell panel 8, a storage battery, a transformer, and a current stabilizer. The solar cell panel 8 is connected with one end of the current stabilizer; the other end of the current stabilizer is respectively connected with the transformer and the storage battery; the storage battery is connected with the transformer. The light power received by the solar cell panel 8 changes along with the change of illumination, so that the output current also changes along with the change, and a current stabilizer is added for realizing the stability of the current. In addition, the temperature control subsystem and the TEC array 1 have certain requirements on the working voltage, so that the required voltage can be achieved through the transformer, and stable work is achieved. The solar panel 8 may be at 1-45 deg. to the horizontal. When the fresh water storage tank 3 collects water, the solar cell subsystem supplies power to each subsystem and simultaneously charges the storage battery. When the fresh water is sufficient, the electric energy can be stored in the storage battery, and when the fresh water is insufficient, the electric energy can be provided by the storage battery, particularly at night.
Alternatively, referring to fig. 1, the solar cell panel 8 may be laid outside the whole system, so as to more conveniently and fully absorb solar energy with high efficiency.
Specifically, the serial TEC array 1 is formed by electrically connecting N × N TECs in series. The TEC array 1 forms an angle of 3-60 degrees with the horizontal plane. The TEC array 1 is electrically connected to the solar cell subsystem and is powered by a solar panel 8. The TEC comprises a number of P-type and N-type pairs (sets) connected together by electrodes and sandwiched between two ceramic electrodes; when current flows through the TEC, the heat generated by the current is transferred from one side of the TEC to the other, creating a "hot" side and a "cold" side on the TEC.
Specifically, referring to fig. 2, the salinity control subsystem can monitor the salinity of the seawater in the seawater tank 2, and prevent salt precipitation caused by too high salt concentration due to excessive seawater evaporation in the seawater tank 2, which is detrimental to heat conduction and thus affects the seawater evaporation efficiency. The alarm subsystem is connected with the pumping subsystem, and alarms when the salinity is too high, and simultaneously the pumping subsystem is started to fill seawater or discharge high-concentration seawater and then fill seawater.
Specifically, referring to fig. 2, the temperature control subsystem may set the heating power of the TEC array 1 according to the temperature of the evaporated seawater, so as to more fully utilize the electric energy. The temperature control subsystem can set a temperature threshold (a temperature range when seawater can be evaporated to generate vapor) in the seawater tank 2, and a device for monitoring the temperature in real time (for example, a temperature detector) is arranged in the seawater tank 2 and feeds the temperature back to the temperature control subsystem. When the temperature in the seawater tank 2 does not reach the lowest value of the temperature threshold, the temperature control subsystem increases current supply for the TEC array 1 (increases the current flowing through the TEC array 1), and the hot end of the TEC is heated to raise the temperature in the seawater tank 2; when the temperature in the sea water tank 2 is higher than the maximum value of the temperature threshold, the temperature control subsystem reduces the current supply of the TEC (reduces the current flowing through the TEC array 1), and the heating power of the hot end of the TEC is reduced along with the reduction of the current of the TEC, so that the temperature in the sea water tank 2 is reduced.
Specifically, referring to fig. 2, the water pumping subsystem is respectively communicated with a normal seawater inlet 9 and a high-concentration seawater outlet 10 through pipelines, the normal seawater inlet 9 and the high-concentration seawater outlet 10 are connected with the seawater tank 2, and the water pump is switched on and off through logical judgment of salinity.
Specifically, referring to fig. 2, the alarm subsystem may be configured to provide an audible and visual alarm, which is not limited in this embodiment. When the liquid level of the fresh water storage tank 3 reaches the set liquid level height, an alarm is sent out, and the power supply of the TEC array 1 is cut off in time through the salinity control subsystem. For example: the liquid level of the fresh water storage tank 3 can be monitored in real time by arranging a communicating vessel and connecting a liquid level meter. A floating ball is arranged on the liquid level in the liquid level meter, when the liquid level reaches a set point, the floating ball triggers a switch, a signal is transmitted to an alarm subsystem, then the signal is transmitted to a salinity control subsystem through the alarm subsystem, and the switch between the TEC array and a transformer (in a solar cell subsystem) is cut off through the salinity control subsystem. When the salinity is too high, an alarm is sent out to remind, and meanwhile, the pump water subsystem is started to fill the seawater or discharge the high-concentration seawater and then fill the seawater.
The specific working process of the whole system is as follows: referring to fig. 1, a solar panel 8 provides electric energy to supply power to each subsystem, the generated redundant electric energy is stored in a storage battery, and then current is loaded to a TEC array 1 through a current stabilizer and a transformer, so that one side of the TEC array 1 heats and the other side cools. One side of the heating device is in contact with the seawater tank 2, the other side of the refrigerating device is in contact with the steam guide pipe 4 through the condensed water inlet 7, the steam guide pipe 4 is connected with the seawater tank 2 and is used for guiding out the steam in the seawater tank 2 through the steam outlet 5, the steam becomes condensed water through the refrigeration of the TEC cold side, and the condensed water flows to the fresh water storage tank 3 through the distilled water outlet of the condensation zone 6. Meanwhile, referring to fig. 2, the salinity of the seawater tank 2 is controlled by the salinity control subsystem, and the conductivity, i.e. the resistance value of the seawater can be monitored, wherein the larger the salt concentration is, the better the conductivity is, and the smaller the resistance is; the smaller the salt concentration, the poorer the conductivity and the greater the resistance. When the salinity reaches the dialysis point of the sea salt, the water pumping subsystem is automatically controlled to change water. The temperature control subsystem can control the temperature of the heating end of the TEC to reach the water vapor generation temperature. The warning subsystem can give an alarm when the seawater concentration and the fresh water tank reach the limit values. When the fresh water storage tank 3 reaches the set fixed water level, the current of the TEC array 1 is closed in time, the generation of distilled water is reduced, and the solar cell subsystem continues to charge the storage battery.
Optionally, the water vapor condensation area 6 and the horizontal plane form an angle of 3-60 degrees, which is beneficial to water vapor condensation and more convenient for collecting condensed water.
Alternatively, the water vapor condensation area 6 may adopt a fin type internal structure or a honeycomb type internal structure to accelerate the water vapor to be condensed into fresh water.
Optionally, the fresh water storage tank 3 may be externally connected with a discharge fresh water valve, so as to facilitate the fresh water to be used at any time, and has a water leakage alarm or self-discharge shutoff function, thereby preventing water waste.
Optionally, an external power interface may be added to supply power to the system provided in this embodiment.
Optionally, a wireless charging module dedicated to power the system provided in this embodiment may be added.
The processor and the wireless charging module which are arranged in the temperature control subsystem and are involved in the TEC self-heating condensation seawater desalination system using solar energy as an energy source provided by the embodiment may be the same or may be multiple independent modules.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A TEC self-heating condensation seawater desalination system taking solar energy as energy source is characterized by comprising: the system comprises a TEC array (1), a seawater tank (2), a fresh water storage tank (3), a water vapor flow guide pipe (4) and a solar cell subsystem; the TEC array (1) and the seawater tank (2) are sequentially arranged above the fresh water storage tank (3);
wherein the heating end of the TEC array (1) is in contact with the seawater tank (2); the refrigerating end of the TEC array (1) is in contact with the water vapor draft tube (4);
the seawater tank (2) is provided with a steam outlet (5); the fresh water storage tank (3) is provided with a condensation area (6) and a condensed water inlet (7);
one end of the steam guide pipe (4) is connected with the steam outlet (5), and the other end of the steam guide pipe is connected with the condensed water inlet (7) through the condensing area (6);
the solar cell subsystem is electrically connected with the TEC array (1).
2. The TEC auto-thermal condensation seawater desalination system using solar energy as energy source of claim 1, wherein the solar cell subsystem comprises: the solar energy battery plate (8), the current stabilizer, the transformer and the storage battery;
the solar cell panel (8) is connected with one end of the current stabilizer; the other end of the current stabilizer is respectively connected with the transformer and the storage battery; the storage battery is connected with the transformer.
3. The TEC self-heating condensation seawater desalination system using solar energy as energy source as claimed in claim 1, further comprising: the salinity control subsystem and the water pumping subsystem;
one end of the salinity control subsystem is connected with the seawater tank (2) and is used for acquiring the concentration of seawater in the seawater tank (2) in real time; the other end of the salinity control subsystem is connected with the water pumping subsystem and used for controlling the water pumping subsystem to be filled with seawater and/or discharge high-concentration seawater when the concentration of the seawater reaches a limit value;
the seawater tank (2) is provided with a conventional seawater inlet (9) and a high-concentration seawater outlet (10); the pump water subsystem is respectively communicated with the conventional seawater inlet (9) and the high-concentration seawater outlet (10) through pipelines;
the solar cell subsystem is electrically connected with the salinity control subsystem and the water pumping subsystem.
4. The TEC self-heating condensation seawater desalination system using solar energy as energy source as claimed in claim 1, further comprising: a temperature control subsystem;
one end of the temperature control subsystem is connected with a temperature detector in the seawater tank (2), and the other end of the temperature control subsystem is connected with the heating end of the TEC array (1) and is used for controlling the temperature of the heating end of the TEC array (1) to be within the range of water vapor generation temperature;
the solar cell subsystem is electrically connected with the temperature control subsystem.
5. The TEC self-heating condensation seawater desalination system using solar energy as energy source as claimed in claim 3, further comprising: an alarm subsystem; the warning subsystem is respectively connected with the fresh water storage tank and the salinity control subsystem and is used for warning when the water level in the fresh water storage tank and the seawater concentration in the seawater tank reach the limit values;
the solar cell subsystem is electrically connected with the warning subsystem.
6. The TEC self-heating condensation seawater desalination system with TEC using solar energy as energy source as the claim 1, characterized in that the TEC array (1) is generated by N x N TEC in series; the TEC array (1) is 3-60 degrees away from the horizontal plane.
7. The TEC self-heating condensation seawater desalination system using solar energy as energy source as claimed in claim 1, wherein the condensation zone (6) adopts a fin type internal structure or a honeycomb type internal structure.
8. The TEC self-heating condensation seawater desalination system using solar energy as energy source as claimed in claim 7, wherein the condensation area (6) is 3-60 ° to the horizontal plane.
9. The TEC self-heating condensation seawater desalination system using solar energy as energy source as claimed in claim 2, wherein the solar panel (8) is at 1-45 ° to the horizontal plane.
10. The TEC self-heating condensation seawater desalination system using solar energy as energy source as claimed in claim 1, wherein the fresh water storage tank (3) is externally connected with a fresh water discharge valve.
CN202111242532.2A 2021-10-25 2021-10-25 TEC self-heating condensation seawater desalination system using solar energy as energy source Pending CN113860412A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115317935A (en) * 2022-09-19 2022-11-11 中国核电工程有限公司 Evaporation device and radioactive waste liquid treatment system and method

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