WO2021035444A1

WO2021035444A1 - Seawater intake system and water intake method

Info

Publication number: WO2021035444A1
Application number: PCT/CN2019/102351
Authority: WO
Inventors: 刘浩源; 靖建农; 郑云爽
Original assignee: 唐山哈船科技有限公司; 唐山圣因海洋科技有限公司
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2021-03-04

Abstract

Disclosed in the present invention are a seawater intake system and a water intake method. Said system comprises a pump room, a water intake pipe and a floating main body, the pump room is built on the shore, one end of the water intake pipe is connected to a seawater pump in the pump room, and the other end thereof is fixed on the floating main body and extends into seawater, the floating main body floats on the sea surface, the floating main body is provided with a camera device, a positioning device, a driving device, a wireless communication device, a data processing device, a storage device and a power supply device, and the pump room is provided with a wireless communication unit, a seawater pump and a data processing unit. The present invention can improve, by selecting a water intake location, the water quality when taking water from a shallow sea. Moreover, the water intake is less affected by the topography of the beach, and the present invention has a low investment cost, is convenient to construct, and is very suitable for small scale water intake.

Description

Sea water intake system and water intake method

Technical field

The invention relates to the technical field of seawater desalination, in particular to a seawater water intake system and a water intake method.

Background technique

With the development of technology and the decrease of desalination costs, seawater desalination has become one of the most important means to deal with the shortage of freshwater resources in the world. The construction of seawater desalination projects has increased year by year. Seawater intake projects are an important part of desalination plants. Its mission It is to ensure that sufficient, continuous and suitable source water is provided during the entire life cycle of the desalination plant. The selection of water intake methods and the construction of water intake structures contribute to the investment of the entire desalination plant, the cost of water production, the stable operation of the system, and the ecological environment. Have an important impact.

There are many ways to take water from seawater, which can be roughly divided into three categories: beach wells, deep seas, and shallow seas. Generally, beach wells have the best water quality, followed by deep seas, and shallow seas have low construction investment and wide applicability. Characteristics: Shallow water intake is the most common way to obtain water for desalination. Under normal circumstances, water taken from 1-6m below the sea surface will contain sand, small fish, aquatic plants, seaweeds, jellyfish and other microorganisms. The water quality is poor, although the quality of shallow water intake is poor. However, due to the advantages of low investment, wide application range, and rich application experience, it is still widely used. How to improve the water quality of shallow water intake is a problem that needs to be solved.

Summary of the invention

The purpose of the present invention is to provide a seawater water intake system and a water intake method, which can improve the water quality of shallow sea water intake by selecting water intake points.

To achieve the above objective, the present invention provides the following technical solutions: a seawater intake system, including a pump house, a water intake pipe, and a floating body. The pump house is built on the shore, and one end of the water intake pipe is connected to a seawater pump in the pump house. The other end of the connection is fixed on the floating body and extends into the sea water, and the floating body floats on the sea surface.

The floating body is provided with a camera device for taking images of floating objects in seawater;

Preferably, the lower end of the floating body is a transparent glass cover, the camera device is arranged in the glass cover, and the camera equipment is driven to rotate by a rotating device for adjusting the shooting direction of the camera device, the camera device and the rotating device Electrically connected to the data processing device;

Further, the rotating device adopts a stepping motor to drive rotation. The stepping motor is fixed inside the glass cover under the main body of the equipment, and the output end of the stepping motor is fixedly connected to the rotating seat. The camera device adopts the common market The infrared waterproof camera is fixed on the rotating seat.

Positioning device for positioning the position of the floating body;

Preferably, the positioning device adopts a GPS satellite positioning device or a Beidou satellite positioning device. The floating body of this application is provided with an automatic navigation system. The purpose of the automatic navigation system is to receive the current position of the mobile body by the GPS satellite positioning device or the Beidou satellite positioning device. The location and the data are compared with the user-defined destination, the driving route is calculated by referring to the electronic map, and the information is fed back to the floating body in real time.

The driving device is used to drive the floating body to swim and push the floating body back to its original position when the floating body deviates from a predetermined position;

Preferably, there are several driving devices, which are evenly distributed and fixed on the lower end of the floating body, and the driving devices are propelled by electric propellers;

Further, this application uses two electric propellers for propulsion. When the two electric propellers rotate at a rotating speed, the moving body can be pushed forward, and when the speeds of the two electric propellers are inconsistent, the forward direction of the moving body can be adjusted.

Wireless communication device for wireless communication with the control center;

The data processing device is used to analyze and process information, and through image recognition technology, analyze the frame images taken by the camera device, and select the frame image with the smallest turbidity;

The storage device is used to store the coordinate information of the predetermined position of the floating body and the predetermined route of the floating body;

The power supply device is used to supply power to the floating main body;

Preferably, the power supply device adopts a solar power generation module for converting light energy into electrical energy to supply power to the equipment, and a rechargeable battery is also provided on the floating body to store the electrical energy of the solar power generation module. When the solar power generation module does not generate power or is insufficiently generated, it supplies power to the equipment.

The pump room is provided with a wireless communication unit for wireless communication with the floating body;

Sea water pump, used to provide power for pumping sea water;

The data processing unit is used to analyze and process data.

Preferably, both the wireless communication device and the wireless communication unit adopt a Wi-Fi module or a mobile network module.

Preferably, floating plates are fixed at even intervals on the outer wall of the water intake pipe, so that the water intake pipe can float on the sea surface, so as to reduce the pulling force on the floating body.

A method for taking water using a seawater taking system, the method comprising the steps:

S1: Place the water intake pipe and the floating body in sea water, so that the floating body swims along the established route under the action of the driving device;

S2: Find the water intake point. The camera device under the floating body captures the floating objects in the surrounding seawater during the floating body swimming. After the floating body swims along the established route, the image captured by the camera device is divided into frame images. Determine the frame image with the smallest turbidity through image recognition technology, and select the position of the floating subject when the frame image is taken as the water intake point;

S3: After the floating body swims to the water intake point, it sends a signal to the pump house through the wireless communication device, and the pump house controls the sea water pump to start pumping after receiving the signal;

S4: Keep the floating body in its original position. When the floating body drifts away from the water intake point by wind, sea waves, etc., it is pushed back to the water intake point by the driving device.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. The present invention uses a floating body to swim in the water, captures images of floating objects in the sea through a camera, and selects the area with the least turbidity as the water intake point, which can improve the water quality when drawing water in shallow seas, and the water intake is affected by the topography of the beach Small size, low investment cost, convenient construction, very suitable for small-scale water intake;

2. The water intake pipe of the present invention floats on the sea surface, which can reduce the pulling force on the floating body.

Description of the drawings

Figure 1 is a schematic diagram of the floating body structure of the present invention;

Fig. 2 is a schematic diagram of the swimming route of the floating body of the present invention in a fan-shaped area;

Figure 3 is a schematic diagram of the floating plate on the water intake pipe;

In the picture: 1-floating body, 2-positioning device, 3-wireless communication device, 4-data processing device, 5-storage device, 6-drive device, 7-camera device, 8-transparent glass cover, 9-water intake pipe , 10-pump room, 11-sector area, 12-established route, 13-floating board.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

1 to 3, the present invention provides a technical solution: a seawater intake system, including a pump house 10, a water intake pipe 9, a floating body 1, the pump house 10 is built on the shore, the water intake pipe 9 One end is connected with the sea water pump in the pump house 10, and the other end is fixed on the floating body 1 and extends into the sea water, and the floating body 1 floats on the sea surface.

The floating body 1 is provided with a camera device 7 for taking images of floating objects in seawater;

Specifically, the lower end of the floating body 1 is a transparent glass cover 8, the camera device 7 is arranged in the glass cover 8, and the camera equipment is driven to rotate by a rotating device for adjusting the shooting direction of the camera device 7. The camera device 7 and the rotating device are electrically connected to the data processing device 4;

Further, the rotating device uses a stepping motor to drive rotation. The stepping motor is fixed inside the glass cover 8 under the main body 1 of the equipment, and the output end of the stepping motor is fixedly connected to the rotating seat, and the camera device 7 A common infrared waterproof camera in the market is adopted, and the camera is fixed on a rotating seat.

The positioning device 2 is used for positioning the position of the floating body 1;

Preferably, the positioning device 2 adopts the GPS satellite positioning device 2 or the Beidou satellite positioning device 2. The floating body 1 of the present application is provided with an automatic navigation system. The purpose of the automatic navigation system is to use the GPS satellite positioning device 2 or the Beidou satellite positioning device. 2 Receive the current location of the mobile body 1 and compare the data with the user-defined destination, calculate the driving route with reference to the electronic map, and feed back the information to the floating body 1 in real time.

The driving device 6 is used to drive the floating main body 1 to swim and push the floating main body 1 back to its original position when the floating main body 1 deviates from a predetermined position;

Specifically, there are several driving devices 6 that are evenly distributed and fixed on the lower end of the floating body 1, and the driving device 6 is propelled by an electric propeller;

Further, this application uses two electric propellers for propulsion. When the two electric propellers rotate at a rotating speed, the moving body 1 can be pushed forward. When the two electric propellers have different rotating speeds, the forward direction of the moving body 1 can be adjusted.

The wireless communication device 3 is used for wireless communication with the control center;

The data processing device 4 is used to analyze and process information, analyze the frame images taken by the camera 7 through image recognition technology, and select the frame image with the smallest turbidity;

The storage device 5 is used to store the coordinate information of the predetermined position of the floating body 1 and the predetermined travel route 12 of the floating body 1;

The power supply device is used to supply power to the floating body 1;

Specifically, the power supply device adopts a solar power generation module to convert light energy into electrical energy to supply power to the equipment. A rechargeable battery is also provided on the floating body 1 to store the electrical energy of the solar power generation module. , And when the solar power module is not generating power or generating power is insufficient, it supplies power to the equipment.

The pump room 10 is provided with a wireless communication unit for wireless communication with the floating body 1;

Sea water pump, used to provide power for pumping sea water;

The data processing unit is used to analyze and process data.

Specifically, the wireless communication device 3 and the wireless communication unit both use a Wi-Fi module or a mobile network module.

Specifically, floating plates 13 are fixed on the outer wall of the water intake pipe 9 at even intervals, so that the water intake pipe 9 can float on the sea surface, so as to reduce the pulling force on the floating body 1.

S1: Place the water intake pipe 9 and the floating main body 1 in sea water, so that the floating main body 1 swims along a predetermined route under the action of the driving device 6;

For shallow sea water intake, the length of the water intake pipe 9 is generally 30-50 meters, and the position of the pump house 10 can be taken as the center and the length of the water intake pipe 9 as the radius, forming a fan-shaped area 11 on the sea surface, which can be in this fan-shaped area 11 The travel route 12 of the floating body 1 is designed inside, such as S-shaped, wave-shaped, U-shaped, etc., so that the image captured by the camera 7 can cover this fan-shaped area 11, so as to more accurately find the water intake point;

S2: Looking for a water intake point. The camera device 7 under the floating body 1 photographs the floating objects in the surrounding seawater during the floating body 1 swimming. After the floating body 1 swims along the established route, the image taken by the camera device 7 is taken Divide into frame images, determine the frame image with the smallest turbidity through image recognition technology, and select the position of the floating body 1 when the frame image is taken as the water intake point;

Make the floating body 1 move at a constant speed along the travel route 12 in the fan-shaped area 11 described in S1, position the travel route 12 of the floating body 1 through the positioning device 2, and record the position coordinates of the floating body 1 at each time point, and It is stored in the storage device 5. When the frame image with the smallest turbidity is determined, the position coordinates of the floating body 1 stored in the storage device 5 at the time point are found through the time point when the frame image is taken. The coordinates can be used as the water intake point;

S3: After the floating body 1 swims to the water intake point, it sends a signal to the pump house 10 through the wireless communication device 3, and the pump house 10 controls the sea water pump to start pumping after receiving the signal;

After the floating body 1 has determined the water intake point, it uses the navigation device to plan a route from its position to the water intake point, and pushes the floating body 1 to the water intake point through the driving device 6;

S4: Keep the floating body 1 in its original position. When the floating body 1 is moved away from the water point by wind, sea waves, etc., it is pushed back to the water point by the driving device 6;

The position of the floating body 1 can be monitored in real time by the positioning device 2, and the monitoring result can be compared with the coordinates of the water intake point obtained by S2 to determine whether the floating body 1 has drifted away from the water intake point.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. And variations, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A seawater intake system, comprising a pump house (10), a water intake pipe (9), and a floating body (1), characterized in that: the pump house (10) is built on the shore, and one end of the water intake pipe (9) It is connected to the sea water pump in the pump house (10), and the other end is fixed on the floating body (1) and extends into the sea water. The floating body (1) floats on the sea surface, and the floating body (1) is provided with A camera device (7) for taking images of floating objects in sea water;

Positioning device (2) for positioning the position of the floating body (1);

The driving device (6) is used to drive the floating main body (1) to swim and push the floating main body (1) back to the original position when the floating main body (1) deviates from a predetermined position;

The wireless communication device (3) is used for wireless communication with the control center;

Data processing device (4) for analyzing and processing information;

The storage device (5) is used to store the coordinate information of the predetermined position of the floating body (1);

The power supply device is used to supply power to the floating main body (1);

The pump room (10) is provided with a wireless communication unit for wireless communication with the floating body (1);

Sea water pump, used to provide power for pumping sea water;

The data processing unit is used to analyze and process data.
The seawater intake system according to claim 1, characterized in that the lower end of the floating body (1) is a transparent glass cover (8), and the camera device (7) is arranged in the glass cover (8), The camera equipment is driven to rotate by a rotating device for adjusting the shooting direction of the camera device (7), and the camera device (7) and the rotating device are electrically connected with the data processing device (4).
The seawater intake system according to claim 1, wherein the positioning device (2) adopts a GPS satellite positioning device (2) or a Beidou satellite positioning device (2).
The seawater intake system according to claim 1, characterized in that there are several driving devices (6), which are evenly distributed and fixed on the lower end of the floating body (1), and the driving device (6) adopts electric Propeller propulsion.
The seawater intake system according to claim 1, characterized in that: the wireless communication device (3) and the wireless communication unit both adopt a Wi-Fi module or a mobile network module.
The seawater intake system according to claim 1, characterized in that: the power supply device adopts a solar power generation module, which is used to convert light energy into electric energy to supply power to the equipment, and the floating body (1) is also provided with The rechargeable battery is used to store the electrical energy of the solar power generation module and supply power to the equipment when the solar power generation module is not generating power or is not generating enough power.
The seawater intake system according to claim 1, characterized in that floating plates (13) are fixed on the outer wall of the intake pipe (9) evenly at intervals.
A method for taking water using the seawater taking system according to any one of claims 1-7, the method comprising the steps:

S1: Place the water intake pipe (9) and the floating body (1) in sea water, so that the floating body (1) swims along the established route under the action of the driving device (6);

S2: Looking for a water intake point, the camera device (7) below the floating body (1) photographs the floating objects in the surrounding sea water during the floating body (1) swimming, and after the floating body (1) swims along the established route , Dividing the image taken by the camera device (7) into frame images, judging the frame image with the smallest turbidity through image recognition technology, and selecting the position of the floating body (1) when the frame image is taken as the water intake point;

S3: After the floating body (1) swims to the water intake point, it sends a signal to the pump house (10) through the wireless communication device (3), and the pump house (10) controls the sea water pump to start pumping after receiving the signal;

S4: Keep the floating body (1) in place. When the floating body (1) drifts away from the water intake point by wind, sea waves, etc., it is pushed back to the water intake point by the driving device (6).