阅读说明：本技术 一种基于太阳能电站的海水淡化系统 (Seawater desalination system based on solar power station ) 是由 梁云晴 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种基于太阳能电站的海水淡化系统,包括海水引流子系统、多效蒸馏子系统、光伏蓄电子系统和淡水回收子系统；海水引流子系统包括海水引流池、沉淀池和预提池；预提池内设有送水泵；多效蒸馏子系统包括多效蒸馏装置和冷凝装置；淡水回收子系统包括淡水收集装置、过滤装置和淡水送水装置。本发明的多效蒸馏子系统包括多效蒸馏装置和冷凝装置；光伏蓄电子系统用于为多效蒸馏子系统提供电能；淡水回收子系统包括淡水收集装置、过滤装置和淡水送水装置。(The invention discloses a seawater desalination system based on a solar power station, which comprises a seawater drainage subsystem, a multi-effect distillation subsystem, a photovoltaic power storage subsystem and a fresh water recovery subsystem; the seawater drainage subsystem comprises a seawater drainage pool, a sedimentation pool and a pre-extraction pool; a water feeding pump is arranged in the pre-extraction pool; the multi-effect distillation subsystem comprises a multi-effect distillation device and a condensing device; the fresh water recovery subsystem comprises a fresh water collecting device, a filtering device and a fresh water delivery device. The multi-effect distillation subsystem of the invention comprises a multi-effect distillation device and a condensing device; the photovoltaic power storage subsystem is used for providing electric energy for the multi-effect distillation subsystem; the fresh water recovery subsystem comprises a fresh water collecting device, a filtering device and a fresh water delivery device.)

1. A seawater desalination system based on a solar power station is characterized by comprising a seawater drainage subsystem, a multi-effect distillation subsystem, a photovoltaic power storage subsystem and a fresh water recovery subsystem; the seawater drainage subsystem comprises a seawater drainage pool, a sedimentation pool and a pre-extraction pool; a water feeding pump is arranged in the pre-extraction pool; the multi-effect distillation subsystem comprises a multi-effect distillation device and a condensing device; the photovoltaic power storage subsystem is used for providing electric energy for the multi-effect distillation subsystem; the fresh water recovery subsystem comprises a fresh water collecting device, a filtering device and a fresh water delivery device.

2. The seawater desalination system based on the solar power station as claimed in claim 1, wherein one end of the seawater drainage pool is provided with a drainage water pump, the other end of the seawater drainage pool is provided with an effluent water pump, the drainage water pump extends into seawater through a pipeline, one end of the effluent water pump is arranged in the seawater drainage pool, and the other end of the effluent water pump is arranged in the sedimentation pool; and a seepage port is arranged at the connecting position of the sedimentation tank and the pre-extraction tank.

3. The seawater desalination system of claim 1 wherein the multi-effect distillation apparatus comprises a multi-effect distillation chamber, the multi-effect distillation chamber being divided into a one-effect distillation chamber, a two-effect distillation chamber and a three-effect distillation chamber; the top in multiple-effect distillation chamber is equipped with the steam board, is equipped with a plurality of steam through-holes on the steam board, and the steam board top is equipped with transparent cover, forms the steam chamber between transparent cover and the steam board, and the bottom in multiple-effect distillation chamber is equipped with solid collection device, still is equipped with the distillation heating pipe in the multiple-effect distillation chamber.

4. A seawater desalination system based on a solar power plant as claimed in claim 1 or 3 wherein the condensing means comprises a first condenser, a second condenser and a third condenser; the steam outlet of the first-effect distillation cavity is connected with the first condenser, the outlet of the first condenser is connected with the inlet of the second-effect distillation cavity, the steam outlet of the second-effect distillation cavity is connected with the second condenser, the outlet of the second condenser is connected with the inlet of the third-effect distillation cavity, the steam outlet of the third-effect distillation cavity is connected with the third condenser, and the outlet of the third condenser is connected with the fresh water recovery subsystem.

5. The solar power station-based seawater desalination system of claim 1, wherein the photovoltaic power storage subsystem comprises a group-by-group photovoltaic module, a power management device and a storage battery, the group-by-group photovoltaic module is connected with the storage battery through the power management device, and the storage battery is electrically connected with the multi-effect distillation subsystem.

6. A seawater desalination system based on a solar power plant as claimed in claim 3 wherein the steam panels are arranged obliquely.

7. The solar power station based seawater desalination system of claim 3, wherein the steam plate is provided with a plurality of flow grooves.

8. The seawater desalination system of claim 1 wherein the outlet of the fresh water collection device is provided with a filter device, and the filter device is connected to the fresh water supply device through a pipeline.

Technical Field

The invention relates to the technical field of seawater desalination of solar power stations, in particular to a seawater desalination system based on a solar power station.

Background

The solar energy sea water desalination technology is a method for producing fresh water by applying heat collection technology or converting solar energy into electric energy for supplying all or part of energy required by sea water desalination. The method is suitable for remote anhydrous areas and islands where the average annual solar radiation is above 145.4W/m-2 (3000 kcal/(m-2. d)). The existing seawater desalination technology mainly adopts a direct coil distillation method, and the desalination effect of the method is poor.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a seawater desalination system based on a solar power station.

The purpose of the invention is realized by the following technical scheme:

a seawater desalination system based on a solar power station comprises a seawater drainage subsystem, a multi-effect distillation subsystem, a photovoltaic power storage subsystem and a fresh water recovery subsystem; the seawater drainage subsystem comprises a seawater drainage pool, a sedimentation pool and a pre-extraction pool; a water feeding pump is arranged in the pre-extraction pool; the multi-effect distillation subsystem comprises a multi-effect distillation device and a condensing device; the photovoltaic power storage subsystem is used for providing electric energy for the multi-effect distillation subsystem; the fresh water recovery subsystem comprises a fresh water collecting device, a filtering device and a fresh water delivery device.

Furthermore, one end of the seawater drainage pool is provided with a drainage water pump, the other end of the seawater drainage pool is provided with a water outlet water pump, the drainage water pump extends into seawater through a pipeline, one end of the water outlet water pump is arranged in the seawater drainage pool, and the other end of the water outlet water pump is arranged in the sedimentation pool; and a seepage port is arranged at the connecting position of the sedimentation tank and the pre-extraction tank.

Further, the multi-effect distillation device comprises a multi-effect distillation cavity, and the multi-effect distillation cavity is divided into a first-effect distillation cavity, a second-effect distillation cavity and a third-effect distillation cavity; the top in multiple-effect distillation chamber is equipped with the steam board, is equipped with a plurality of steam through-holes on the steam board, and the steam board top is equipped with transparent cover, forms the steam chamber between transparent cover and the steam board, and the bottom in multiple-effect distillation chamber is equipped with solid collection device, still is equipped with the distillation heating pipe in the multiple-effect distillation chamber.

Further, the condensing device comprises a first condenser, a second condenser and a third condenser; the steam outlet of the first-effect distillation cavity is connected with the first condenser, the outlet of the first condenser is connected with the inlet of the second-effect distillation cavity, the steam outlet of the second-effect distillation cavity is connected with the second condenser, the outlet of the second condenser is connected with the inlet of the third-effect distillation cavity, the steam outlet of the third-effect distillation cavity is connected with the third condenser, and the outlet of the third condenser is connected with the fresh water recovery subsystem.

Furthermore, the photovoltaic power storage subsystem comprises a group-discharge type photovoltaic module, a power management device and a storage battery, the group-discharge type photovoltaic module is connected with the storage battery through the power management device, and the storage battery is electrically connected with the multi-effect distillation subsystem.

Further, the steam plate is obliquely arranged.

Furthermore, a plurality of flowing grooves are formed in the steam plate.

Furthermore, a water outlet of the fresh water collecting device is provided with a filtering device, and the filtering device is connected with the fresh water feeding device through a pipeline.

The invention has the beneficial effects that:

the multi-effect distillation cavity is divided into a first-effect distillation cavity, a second-effect distillation cavity and a third-effect distillation cavity, seawater can be distilled for multiple times, multiple distillation operations can be performed by adopting the integrated multi-effect distillation cavity, and meanwhile, the multi-effect distillation cavity is obliquely arranged, so that solar energy can be fully utilized, and the distillation efficiency and the seawater desalination effect are improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a multi-effect distillation apparatus of the present invention;

in the figure, 10-a seawater drainage pool, 11-a sedimentation pool, 12-a pre-extraction pool, 13-a first-effect distillation cavity, 14-a second-effect distillation cavity, 15-a third-effect distillation cavity, 16-a first condenser, 17-a second condenser, 18-a third condenser, 19-a fresh water collecting device, 20-a fresh water feeding device, 21-a filtering device, 22-a distillation heating pipe, 23-a steam plate and 24-a steam cavity.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.