WO2023159860A1

WO2023159860A1 - Mobile algae collection and treatment device and method

Info

Publication number: WO2023159860A1
Application number: PCT/CN2022/106146
Authority: WO
Inventors: 胡涛; 姜巍巍; 张东; 姜蕾; 金磊; 朱文滨; 别宏宇; 吴雪飞; 王先云
Original assignee: 上海城市水资源开发利用国家工程中心有限公司
Priority date: 2022-02-28
Filing date: 2022-07-16
Publication date: 2023-08-31
Also published as: CN114541351A

Abstract

The present invention relates to the field of algae collection and treatment, and discloses a mobile algae collection and treatment device and method. The device comprises a water collecting box arranged on a bottom plate of a movable ship body; a conical filtering device is suspended in the water collecting box; the conical filtering device is connected to a centrifugal machine; a floating ball and an algae suction pump are connected to the upper end of the conical filtering device by means of a connecting hose; a sludge discharging pump is connected to the bottom end of the conical filtering device by means of a pipe; the water collecting box is connected to an overflow pipe. The present invention can quickly and effectively collect and treat floating algae on water, and reduce water algae pollution.

Description

A mobile algae collection and treatment device and method

This application requests: the priority right of the Chinese patent application with the application number 202210183955.X filed on February 28, 2022.

technical field

The invention relates to the field of algae collection and treatment, in particular to a mobile algae collection and treatment device and method.

Background technique

With the growth of population and continuous economic development, the demand for water in human society is increasing day by day. Water pollution and shortage of water resources have become important constraints to the sustainable development of my country's economy and society. At present, most water bodies in my country have become eutrophic, and the greening of water bodies has become one of the problems affecting water supply safety. During the high temperature season in summer, algae cells can often be seen floating on the surface of most surface reservoirs, and there is obvious algae cell aggregation phenomenon, forming a layer "Green scum", the water quality becomes turbid and accompanied by irritating odor, which greatly reduces the sensory properties of the water body, seriously affects the safety of urban water supply, and destroys the living environment of citizens.

With the continuous innovation of water treatment technology, technologies for removing algae in water bodies have also been developed one after another, such as through manual salvage, special algaecide, fish stocking biological treatment technology, etc., but these technologies have certain drawbacks at present. The method is expensive and inefficient; chemical algicides are easy to cause water pollution, especially drinking water source reservoirs cannot be easily used; the use of biological treatment technology to remove algae generally takes a long time and the effect is not good. Based on this, there is an urgent need for an optimized measure that can quickly collect and treat floating algae in the water body, so as to shorten the salvage time and reduce the degree of water pollution caused by the overgrowth of the algae in the water body.

Contents of the invention

In order to overcome the shortcomings of the above-mentioned prior art, the object of the present invention is to provide a mobile algae collection and treatment device and method to quickly collect and treat floating algae in the water body, and effectively reduce the degree of water pollution caused by the overgrowth of the water body algae.

In order to achieve the above object, the present invention proposes a mobile algae collection and treatment device, which includes a water collection tank located on the bottom plate of the movable hull, and a conical filtering device is suspended inside the water collecting tank, and the conical filtering device is connected with A centrifuge, the upper end of the conical filter device is connected to a floating ball and an algae suction pump through a connecting hose, the bottom end of the conical filter device is connected to a mud discharge pump through a pipeline, and the water collection tank is connected to an overflow pipe.

Preferably, the conical filtering device includes a filter screen, an annular water distribution unit at the top of the filter screen, an algae collector at the bottom of the filter screen, and a baffle inside the filter screen , the baffle is connected to the algae collector, the connecting hose is connected to the annular water distribution unit, and the bottom end of the algae collector is connected to a sludge discharge pump through a pipeline.

Preferably, the centrifuge is connected with a fixed bracket and is arranged above the conical filter device through the fixed bracket, and the centrifuge is connected to the filter screen of the conical filter device.

Preferably, a counterweight hook is provided at the lower end of the floating ball.

Preferably, an overflow port is provided at the connection between the water collection tank and the overflow pipe, and the height of the overflow port is lower than the connection between the baffle plate and the algae collector.

Preferably, the filter screen is an inverted cone with a notch at the tip, made of stainless steel, the filter screen has an aperture size of 3-200um, and can be stacked in multiple layers, and the installation angle of the filter screen is 45-60 degrees. The floating ball is made of PE material.

In order to achieve the above object, the present invention also provides a mobile algae collection and treatment method, comprising the following steps:

Step S1, the floating ball is lowered into the water, and the floating ball sucks the algae liquid into the ring water distribution unit through the connecting hose under the suction of the algae suction pump, and the algae liquid enters the ring water distribution unit and is evenly distributed on the top of the filter screen;

Step S2, the filter screen is rotated under the action of a centrifuge to separate the algae liquid;

Step S3, after centrifugation, algae with higher solid content fall into the algae collector through the baffle, and the filtered water enters the water collection tank under the action of centrifugal force;

Step S4, when the filtered water level in the water collection tank exceeds the overflow port of the water collection tank, the filtered water is discharged from the overflow pipe to the reservoir; when the algae in the algae collector exceeds the height of the baffle, the algae is discharged to the shore through the sludge discharge pump disposal.

Preferably, step S1 further includes disposing different weights on the counterweight hook at the lower end of the floating ball, adjusting the floating depth of the floating ball, and sucking algae of different depths in the water body.

Preferably, the filter screen is an inverted cone with a notch at the tip and is made of stainless steel. The filter screen has a pore size of 3-200um and can be placed in multiple layers. Filters with different pore sizes are selected according to the size and aggregation degree of dominant algae cells in the water body. The screen is disassembled and replaced according to the degree of clogging and damage of the filter screen. The installation inclination angle of the filter screen is 45-60 degrees, and the floating ball is made of PE material.

Preferably, the height of the overflow port is lower than the connection between the baffle plate and the algae collector.

Compared with the prior art, the mobile algae collection and treatment device and method of the present invention can quickly collect and process the floating algae in the water body, greatly shorten the salvage time, save costs, and can effectively reduce the degree of water pollution caused by the excessive reproduction of algae in the water body .

Description of drawings

The drawings constituting a part of the application are used to provide further understanding of the application, and the schematic embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation to the application. In the attached picture:

Fig. 1 is the structural representation of a kind of mobile algae collecting treatment device of the present invention;

Fig. 2 is a flow chart of steps of a mobile algae collection and treatment method according to the present invention.

Among them, 1-floating ball; 2-connecting hose; 3-algae suction pump; 4-ring water distribution unit; 5-centrifuge; 6-filter; 7-baffle; 8-algae collector; 9-set Water tank; 10-overflow pipe; 11-sludge pump; 12-fixed bracket; 13-movable hull bottom plate.

Detailed ways

The implementation of the present invention is described below through specific examples and in conjunction with the accompanying drawings, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific examples, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

Fig. 1 is a structural schematic diagram of a mobile algae collection and treatment device of the present invention, as shown in Fig. 1, a kind of mobile algae collection and treatment device of the present invention, comprises: be located at the water collecting tank 9 on the movable hull floor 13, so The inside of the water collection tank 9 is suspended with a conical filtering device, the conical filtering device is connected with a centrifuge 5, and the upper end of the conical filtering device is connected with a floating ball 1 and an algae suction pump 3 through a connecting hose 2. The bottom end of the conical filtering device is connected with a mud discharge pump 11 through a pipeline, and the water collecting tank 9 is connected with an overflow pipe 10 .

As preferably, the conical filtering device includes a filter screen 6, an annular water distribution unit 4 arranged at the top of the filter screen 6, an algae collector 8 arranged at the bottom of the filter screen 6, and an algae collector 8 arranged at the filter screen 6. The baffle 7 inside the net 6, the baffle 7 is connected to the algae collector 8, the connecting hose 2 is connected to the annular water distribution unit 4, and the bottom end of the algae collector 8 is connected to a Sludge pump 11.

Preferably, the centrifuge 5 is connected with a fixing bracket 12, and is arranged above the conical filtering device through the fixing bracket 12, and the centrifuge 5 is connected to the filter screen 6 of the conical filtering device.

Preferably, the lower end of the floating ball 1 is provided with a counterweight hook, which can adjust the floating depth of the floating ball 1 through different counterweights, and absorb algae at different depths of the water body to reduce water pollution.

As preferably, the junction of the water collection tank 9 and the overflow pipe 10 is provided with an overflow port, and the height of the overflow port 10 is lower than the junction of the baffle plate 7 and the algae collector 8, so that the collected water Timely discharge is conducive to the operation of the device, and ensures that the algae maintain a low solid content after centrifugation, which is convenient for subsequent processing.

Preferably, the filter screen 6 is an inverted cone with a notch at the tip, made of stainless steel, and the filter screen has a pore size of 3-200um, and can be placed in multiple layers. When in use, it can be selected according to the size of the dominant algae cells in the water body and the aggregation status. Filter screens with different apertures can be disassembled and replaced according to the degree of clogging and damage;

The filter screen 6 is installed with an inclination angle of 45-60 degrees, so that the centrifuged algae slides into the algae collector 8, and the centrifuged filtered water enters the water collection tank 9;

The floating ball 1 is made of PE material, which is strong in anti-corrosion, anti-freezing, anti-aging, tough and impact-resistant.

When in use, the floating ball 1 is lowered into the water, and the floating depth of the floating ball can be adjusted through the counterweight hook under the floating ball 1 to inhale algae of different water depths; The hose 2 is sucked into the ring-shaped water distribution unit 4, and the algae liquid enters the ring-shaped water distribution unit 4 and is evenly distributed on the upper end of the filter screen 6; the centrifuge 5 drives the filter screen 6 to rotate to separate the algae liquid; algae with a high solid content after centrifugation Fall into the algae collector 8 through the baffle 7, and the filtered water enters the water collection tank 9 under the action of centrifugal force; when the filtered water level in the water collection tank 9 exceeds the overflow port of the water collection tank 9, the filtered water is discharged from the overflow pipe 10 to In the reservoir; when the algae in the algae collector 8 exceeds the height of the baffle 7, the algae will be discharged to the shore through the mud discharge pump 11 for treatment.

Fig. 2 is the step flowchart of a kind of mobile algae collection treatment method of the present invention, as shown in Fig. 2, a kind of mobile algae collection treatment method of the present invention comprises the following steps:

As preferably, step S1 further includes, disposing different weights on the counterweight hook at the lower end of the floating ball, adjusting the floating depth of the floating ball, and sucking algae of different depths in the water body.

Preferably, the filter screen is made of stainless steel, and the filter screen has a pore size of 3-200um, which can be stacked in multiple layers. Filter screens with different pore diameters are selected according to the size and aggregation degree of the dominant algae cells in the water body. According to the degree of blockage and damage of the filter screen Disassemble and replace; the filter screen is installed with an inclination angle of 45-60 degrees, which is beneficial for the centrifuged algae to slide into the algae collector, and it is also conducive for the centrifuged water to enter the water collection tank; the floating ball is made of PE material, which is anti-corrosion , Antifreeze, strong aging resistance, toughness, impact resistance.

Preferably, the height of the overflow port is lower than the connection between the baffle plate and the algae collector, so as to ensure that the algae maintain a low solid content after centrifugation, which is convenient for subsequent treatment.

It can be seen that in this embodiment, a mobile algae collection and treatment device and method of the present invention are composed of three parts, namely an algae collection system, an algae water separation treatment system and a discharge system, wherein the algae collection system includes a floating ball, a connecting soft Pipe and suction algae pump, algae water separation treatment system includes annular water distribution unit, centrifuge, fixed bracket, filter screen, baffle, algae collector and water collection tank, discharge system includes overflow pipe and mud pump, through the above three The connection and interaction of the two systems and the auxiliary pipelines jointly realize the rapid separation, collection and treatment of mobile algae liquid, water filtration and discharge of algae.

In summary, the present invention is a mobile algae collection and treatment device and method, which collects algae at different water depths through the algae collection system, and transports the collected algae liquid to the algae liquid separation and treatment system, and distributes the algae evenly through the annular water distribution unit. After centrifugation, the algae cells with high solid content fall into the algae collector through the baffle, and the filtered water enters the water collection tank under the action of centrifugal force to realize the separation of algae liquid, and then passes through The discharge system is transported to the reservoir and the shore respectively to achieve the effect of rapid collection and concentrated treatment of algae on the surface of the water body.

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Any person skilled in the art can modify and change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be listed in the claims.

Claims

A mobile algae collection and treatment device, comprising a water collection box (9) arranged on the movable hull bottom plate (13), the inside of the water collection box (9) is suspended with a conical filtering device, and the conical filtering device is connected to There is a centrifuge (5), the upper end of the conical filter device is connected with a floating ball (1) and an algae suction pump (3) through a connecting hose (2), and the bottom end of the conical filter device is connected with a mud discharge device through a pipeline. A pump (11), the water collecting tank (9) is connected with an overflow pipe (10).
A mobile algae collection and treatment device according to claim 1, characterized in that: the conical filter device includes a filter screen (6), and an annular water distribution unit (4) on the top of the filter screen (6) ), the alga collector (8) located at the bottom of the filter screen (6), and the baffle plate (7) located inside the filter screen (6), the baffle plate (7) and the algae collector device (8), the connecting hose (2) is connected to the annular water distribution unit (4), and the bottom end of the algae collector (8) is connected to a mud pump (11) through a pipeline.
A mobile algae collection and processing device according to claim 2, characterized in that: said centrifuge (5) is connected with a fixed bracket (12), and is arranged on the conical surface through said fixed bracket (12). Above the filter device, the centrifuge (5) is connected to the filter screen (6) of the conical filter device.
A mobile algae collection and treatment device according to claim 1, characterized in that: the lower end of the floating ball (1) is provided with a counterweight hook.
A mobile algae collection and treatment device according to claim 2, characterized in that: an overflow port is provided at the connection between the water collection tank (9) and the overflow pipe (10), and the overflow port ( 10) The height is lower than the junction of the baffle plate (7) and the algae collector (8).
A mobile algae collection and treatment device as claimed in claim 2, characterized in that: the filter screen (6) is an inverted cone with a notch at the tip, made of stainless steel, and the filter screen has a pore size of 3-200um, which can Multiple layers are stacked, the filter screen (6) is installed at an inclination angle of 45-60 degrees, and the floating ball (1) is made of PE material.
A method for collecting and processing mobile algae, comprising the steps of:

Step S1, the floating ball is lowered into the water, and the floating ball sucks the algae liquid into the ring water distribution unit through the connecting hose under the suction of the algae suction pump, and the algae liquid enters the ring water distribution unit and is evenly distributed on the top of the filter screen;

Step S2, the filter screen is rotated under the action of a centrifuge to separate the algae liquid;

Step S3, after centrifugation, algae with higher solid content fall into the algae collector through the baffle, and the filtered water enters the water collection tank under the action of centrifugal force;

Step S4, when the filtered water level in the water collection tank exceeds the overflow port of the water collection tank, the filtered water is discharged from the overflow pipe to the reservoir; when the algae in the algae collector exceeds the height of the baffle, the algae is discharged to the shore through the sludge discharge pump disposal.
A mobile algae collection and treatment method as claimed in claim 7, characterized in that: step S also includes, disposing different weights on the counterweight hook at the lower end of the floating ball, adjusting the floating depth of the floating ball, and sucking it into the water body at different depths of algae.
A mobile algae collection and treatment method as claimed in claim 7, characterized in that: the filter screen is an inverted cone with a notch at the tip, made of stainless steel, the filter screen has a pore size of 3-200um, and can be stacked in multiple layers Placement, select filters with different pore sizes according to the size and degree of aggregation of dominant algae cells in the water body, and disassemble and replace them according to the degree of clogging and damage of the filter. The installation angle of the filter is 45-60 degrees, and the floating ball is made of PE material.
A mobile algae collection and treatment method according to claim 7, characterized in that: the height of the overflow port is lower than the connection between the baffle plate and the algae collector.