CN214990390U

CN214990390U - Integrated solar seawater desalination and power generation integrated device

Info

Publication number: CN214990390U
Application number: CN202121375430.3U
Authority: CN
Inventors: 祝培樑; 张红; 陈嘉华
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-03
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses an integrated solar seawater desalination and power generation integrated device, which comprises a vacuum cavity, wherein a groove-type condenser is arranged above the vacuum cavity, one end of the bottom of the vacuum cavity is connected with a seawater collecting box through an input pipeline, the other end of the bottom of the vacuum cavity is connected with a strong brine collecting box through an output pipeline, the vacuum cavity is connected with a steam collecting cavity through a steam pipeline, and an axial flow fan is arranged in the steam pipeline; a condensing pipe is arranged in the steam collecting cavity, and a plurality of thermoelectric modules are arranged on the wall surface of the steam collecting cavity; the seawater desalination can be realized, and the power generation can be realized by fully utilizing the cold and hot temperature difference.

Description

Integrated solar seawater desalination and power generation integrated device

Technical Field

The utility model relates to a solar photothermal conversion technical field is an integrative device of integrated solar energy sea water desalination and electricity generation.

Background

Environmental and energy sources are significant problems directly affecting human survival and development. With the requirement of building a modern economy body in the two-party work report, the future development has higher requirements on clean green energy and blue economy, and the country will step into the way of promoting green development and building a strong ocean. The development and utilization of seawater resources are important directions for realizing the sustainable development of water resources in coastal regions. With the population growth and the rapid economic development, the demand of human beings on fresh water is larger and larger, and the regional distribution of fresh water resources is unbalanced, thus the fresh water resources are in a spatial pattern of more south and less north and more west and less east. Especially in coastal areas, islands, fishing boats and the like, which are seriously deficient in fresh water resources. Seawater occupies 97% of the total amount of water resources on the earth, so that the inquiry of seawater is one of important ways for solving the problem of water resource shortage, but various types of salt are dissolved in abundant seawater resources, and the seawater can be normally drunk only after desalination (seawater desalination) treatment.

At present, a plurality of methods for seawater desalination, such as conventional distillation, reverse osmosis, dialysis, ion exchange and freezing, are available, but these methods all consume a large amount of fuel or electric power, and face the problems of fossil energy shortage and environmental pollution caused by the use process, so that the rapid development of a novel environment-friendly seawater desalination technology is an urgent need at present. The seawater desalination by solar energy is widely concerned because of no pollution, no consumption of fossil fuel, simplicity and easy operation, and is especially suitable for some coastal remote areas with sufficient sunlight and lack of power and electric energy. However, most of the related devices are not very high in the overall utilization rate of solar energy, and how to realize the multi-stage utilization of energy in the whole seawater desalination process is very important.

SUMMERY OF THE UTILITY MODEL

In order to solve exist not enough among the prior art, this application has proposed the integrative device of integrated solar energy sea water desalination and electricity generation, and the sea water of filtering the edulcoration evaporates at spotlight high efficiency under the thermal condition, and behind the steam entering collection chamber of formation, thermoelectric module generates electricity under cold and hot temperature difference effect, and steam reentry condensation intraductal release heat condenses for becoming liquid water and supply daily use afterwards.

The utility model discloses the technical scheme who adopts as follows:

the integrated solar seawater desalination and power generation integrated device comprises a vacuum cavity, wherein a groove type condenser is arranged above the vacuum cavity, one end of the bottom of the vacuum cavity is connected with a seawater collecting box through an input pipeline, the other end of the bottom of the vacuum cavity is connected with a strong brine collecting box through an output pipeline, the vacuum cavity is connected with a steam collecting cavity through a steam pipeline, and an axial flow fan is arranged in the steam pipeline; the condensing pipe is arranged in the steam collecting cavity, and the wall surface of the steam collecting cavity is provided with a plurality of thermoelectric modules.

Furthermore, a seawater valve and a pump body are arranged on the input pipeline, and seawater in the seawater collecting box is input into the vacuum cavity through the pump body.

Furthermore, a strong brine valve is arranged on the output pipeline, and strong brine generated after evaporation in the vacuum cavity is discharged into the strong brine collecting box by adjusting the strong brine valve.

Furthermore, the thermoelectric hot side of the thermoelectric module is arranged in the steam collection cavity, and the thermoelectric cold side of the thermoelectric module is arranged outside the steam collection cavity.

Furthermore, thermoelectric module utilizes the steam to collect the inside and outside difference in temperature in chamber and generates electricity, and thermoelectric module passes through the wire and connects the pump body, for the work energy supply of the pump body.

Furthermore, a finned radiator is arranged on the thermoelectric cooling side, and heat is radiated to ambient air in a natural convection mode.

The utility model has the advantages that:

the utility model discloses a mode that vacuum chamber and spotlight combined together heats the sea water, realizes the high-efficient distillation of sea water. The vacuum cavity heated by the light gathering device can quickly evaporate the seawater, effectively improve the steam yield and further increase the water yield of seawater desalination.

The utility model discloses a heat preservation prevents to give off through the heat of slot type spotlight ware gathering. Two valves are adopted, the strong brine valve collects and discharges strong brine after seawater evaporation, seawater is collected by the seawater valve, and the thermoelectric module generates electricity for the pump body to enable the seawater to enter the cavity to form a circulation loop.

The utility model discloses a thermoelectric generation's mode carries out recycle to steam condensation latent heat, and the wall temperature that will release the condensation latent heat and cause turns into the electric energy with the difference in temperature that ambient temperature formed, realizes the multistage utilization of energy, can directly produce the electric energy under the lower difference in temperature (generally tens of degrees centigrade), need not moving parts, safety and stability and green.

The utility model discloses the device is simple, and application scope is wide, and the function contacts production life closely.

Drawings

FIG. 1 is a schematic diagram of an integrated solar desalination and power generation integrated apparatus of the present application;

FIG. 2 is a schematic view of a condenser tube;

FIG. 3 is a schematic view of a thermoelectric module;

in the figure, 1, a strong brine collecting box, 2, a strong brine valve, 3, a groove type condenser, 4, a vacuum cavity, 5, a heat preservation layer, 6, a seawater valve, 7, a pump body, 8, a seawater collecting box, 9, an axial flow fan, 10, a thermoelectric module, 11, a steam collecting cavity, 12, a condenser pipe, 13, a condensate outlet, 14, a thermoelectric hot side, 15, a thermoelectric cold detector, 16 and a fin radiating fin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The device integrating solar seawater desalination and power generation as shown in fig. 1 comprises a vacuum cavity 4, wherein a groove type condenser 3 is arranged above the vacuum cavity 4; an insulating layer 5 is arranged on the inner wall of the vacuum cavity 4 to prevent heat from being dissipated; one end of the bottom of the vacuum cavity 4 is connected with a seawater collecting box 8 through an input pipeline, a seawater valve 6 and a pump body 7 are arranged on the input pipeline, and seawater in the seawater collecting box 8 is input into the vacuum cavity 4 through the pump body 7; the other end of the bottom of the vacuum cavity 4 is connected with a strong brine collecting box 1 through an output pipeline, a strong brine valve 2 is arranged on the output pipeline, and strong brine generated after evaporation in the vacuum cavity 4 is discharged into the strong brine collecting box 1 through adjusting the strong brine valve 2.

The vacuum cavity 4 is connected with a steam collecting cavity 11 through a steam pipeline, an axial flow fan 9 is arranged in the steam pipeline, and water vapor in the vacuum cavity 4 is input into the steam collecting cavity 11 through the axial flow fan 9. The condensing pipe 12 shown in fig. 2 is disposed inside the steam collecting cavity 11, the water vapor is condensed in the condensing pipe 12 to form fresh water, and the fresh water is discharged from the condensed water outlet 13 at the bottom of the vacuum cavity 4. A plurality of thermoelectric modules 10 are arranged on the wall surface of the vacuum cavity 4; as shown in fig. 3, the thermoelectric hot side 14 of the thermoelectric module 10 is disposed in the steam collection chamber 11, and the thermoelectric cold side 15 of the thermoelectric module 10 is disposed outside the steam collection chamber 11; thermoelectric module 10 utilizes the inside and outside difference in temperature of steam collection chamber 11 to generate electricity, and thermoelectric module 10 passes through the wire and connects pump body 7, for the work energy supply of pump body 7.

A finned heat sink 16 is mounted on the thermoelectric cooling element 15 to dissipate heat to the ambient air by natural convection. In order to reduce the contact thermal resistance, the efficient heat transfer between the surface of the finned radiator 16 and the thermoelectric cold side 15, the outer surface of the steam collection cavity 11 and the thermoelectric hot side 14 is improved, and heat-conducting silicone grease is coated between the surfaces.

The above embodiments are only used for illustrating the design ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all the equivalent changes or modifications made according to the principles and design ideas disclosed by the present invention are within the protection scope of the present invention.

Claims

1. Integrated solar water desalination and power generation integrated device, characterized in that it comprises a vacuum chamber (4), a trough concentrator (3) is provided above the vacuum chamber (4), and a One end is connected to the seawater collection box (8) through the input pipeline, the other end is connected to the concentrated brine collection box (1) through the output pipeline, the vacuum chamber (4) is connected to the steam collection chamber (11) through the steam pipeline, and an axial flow is installed in the steam pipeline. A fan (9); a condensation pipe (12) is arranged inside the steam collection chamber (11), and a plurality of thermoelectric modules (10) are installed on the wall surface of the steam collection chamber (11).

2. The integrated device for integrated solar water desalination and power generation according to claim 1, characterized in that, a seawater valve (6) and a pump body (7) are provided on the input pipeline, and the seawater collection tank (7) is collected by the pump body (7). The seawater in 8) is input into the vacuum chamber (4).

3. The integrated device for integrated solar water desalination and power generation according to claim 1, characterized in that, a concentrated brine valve (2) is installed on the output pipeline, and the vacuum chamber (4) is adjusted by adjusting the concentrated brine valve (2). The concentrated brine produced after evaporation is discharged into the concentrated brine collection tank (1).

4. The integrated solar water desalination and power generation device according to claim 1, wherein the thermoelectric heating side (14) of the thermoelectric module (10) is placed in the steam collection chamber (11), and the thermoelectric module (10) The thermoelectric cold detector (15) is placed outside the steam collection chamber (11).

5. The integrated solar energy desalination and power generation device according to claim 4, characterized in that the thermoelectric module (10) utilizes the temperature difference between the inside and outside of the steam collection chamber (11) to generate electricity, and the thermoelectric module (10) is connected to the pump body by wires (7), to supply energy for the work of the pump body (7).

6. The integrated solar water desalination and power generation device according to claim 4, characterized in that a finned radiator (16) is installed on the thermoelectric cold detector (15), and the heat is dissipated to the surrounding air by natural convection middle.