CN216638993U

CN216638993U - Eutrophic water body purification device for filtering and removing algae

Info

Publication number: CN216638993U
Application number: CN202123206114.6U
Authority: CN
Inventors: 雷轰; 胡军; 彭寿海; 张超; 赵骏; 谢家强; 李志红; 刘人添; 陈纯; 高菲; 汪雨恬; 孙娇娇
Original assignee: Yangtze Ecology and Environment Co Ltd
Current assignee: Yangtze Ecology and Environment Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-31
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a eutrophic water body purification device for filtering and removing algae, which comprises a cavity main body, wherein an expandable and contractible air bag is arranged in the cavity main body, the air bag is connected with an inflator pump through an inflation pipeline, an air release valve is arranged on the inflation pipeline, a clear water storage cavity is arranged at one end of the cavity main body, a first piston in sliding connection with the clear water storage cavity is arranged at the open end of the clear water storage cavity, a filtering device is arranged between the first piston and the air bag, and an algae liquid storage cavity is arranged at one side of the cavity main body; the utility model can integrate the functions of filtering, backwashing and storing the algae liquid into a whole, and improves the purification treatment efficiency of the whole device.

Description

Eutrophic water body purification device for filtering and removing algae

Technical Field

The utility model relates to the technical field of eutrophic water treatment, in particular to a eutrophic water purifying device for filtering and removing algae.

Background

Eutrophication refers to the phenomenon of water body pollution caused by natural factors or artificial factors, increased nutrient substances such as nitrogen and phosphorus in the water body, rapid propagation of floating algae under the condition of water body with sufficient nutrition, rapid decrease of dissolved oxygen content in the water body, death of a large number of aquatic organisms and rapid deterioration of water quality. China belongs to the multi-lake countries, with the rapid development of socioeconomic and the excessive development of towns around lakes, the pollutants received by lakes seriously exceed the self-purification capacity of lakes, and most lakes have more serious eutrophication phenomena such as blue-green algae and the like.

For the treatment of eutrophication, the current technologies mainly include physical technology, chemical technology and biological technology. The chemical remediation technology adopts measures such as flocculating agent and medicament for killing algae, can generate precipitate through chemical reaction and settle blue-green algae, but has the disadvantages of large amount of required chemical medicament, high cost and secondary pollution, can cause the sewage area to have drug resistance after long-term use, and is generally used as emergency treatment. The existing bioremediation technologies such as a microbial remediation technology, an aquatic plant remediation technology and a biological manipulation technology are established on the basis of the metabolism activity of organisms, although the effect of removing nitrogen and phosphorus nutrients in a water body can be achieved after the aquatic organisms absorb and utilize nitrogen and phosphorus elements in water, the treatment efficiency is slow, and the biotechnology has more interfered boundary conditions and is not suitable for being used in the emergency treatment process. The physical technology of algae removal, sewage interception, sediment dredging engineering and water diversion and sewage flushing is usually used as a preposed measure for treatment, although the eutrophication problem cannot be fundamentally solved, the physical technology can play a good treatment effect in the emergency treatment process after the short-term blue algae outbreak.

The blue-green algae removing equipment is commonly used for the blue-green algae emergency outbreak treatment of the eutrophic water body, and can better and quickly play a role in removing algae in practical engineering and treat the eutrophic water body. Most of the existing blue-green algae removing equipment has the problems of complex structure, high manufacturing cost, difficult installation and transportation price, high operation and maintenance cost and the like due to large size and more installation equipment, and is limited in application in small lakes and shallow lakes due to large size and deep draught of the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide the eutrophic water body purifying device for filtering and removing algae, which can integrate the functions of filtering, backwashing and storing algae liquid and improve the purifying treatment efficiency of the whole device.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a filter eutrophic water purifier who gets rid of alga, includes the cavity main part, be equipped with expandable and contractive gasbag in the cavity main part, the gasbag passes through the inflation line and is connected with the pump, is equipped with the bleed valve on the inflation line, cavity main part one end is equipped with the clear water and stores the chamber, and the open one end in clear water storage chamber is equipped with rather than sliding connection's first piston, be equipped with filter equipment between first piston and the gasbag, cavity main part one side is equipped with the algae liquid and stores the chamber.

Preferably, the open end of the algae liquid storage cavity is provided with a second piston which is connected with the algae liquid storage cavity in a sliding way.

Preferably, the intercommunication hole position of algae liquid storage chamber and cavity main part sets up the solenoid valve, and another lateral wall inlet opening of cavity main part is equipped with the first check valve that is used for intaking.

Preferably, still be equipped with the range sensor who is used for measuring filter equipment and gasbag distance in the cavity main part, the range sensor output is connected with the controller, the controller output is connected with the solenoid valve input.

Preferably, the algae liquid storage cavity and the communication hole of the cavity body are further provided with a one-way valve connected with the electromagnetic valve in series.

Preferably, a second one-way valve for discharging water is arranged on a water outlet hole in the side wall of the clear water storage cavity, an outer discharge pipe is arranged on the side wall of the algae liquid storage cavity, and a valve is arranged on the outer discharge pipe.

Preferably, the filter device comprises a filter membrane bracket connected with the side wall of the cavity body and a filter membrane arranged on the filter membrane bracket.

Preferably, the top of the cavity body is further provided with a floating plate and a solar photovoltaic plate, and the solar photovoltaic plate is connected with the storage battery.

The utility model has the beneficial effects that:

1. the device integrates the functions of filtering the cyanobacteria eutrophic water, backwashing the filter membrane, discharging and storing by arranging the cavity body, the algae liquid storage cavity, the clear water storage cavity, the piston and the filtering device, thereby forming a device which is modularized, high in integration level, light and simple, improving the purification treatment efficiency of the whole device and being beneficial to popularization and application;

2. the eutrophic water is filtered by the filter device in sequence, the concentrated solution is discharged into the algae solution storage cavity, the filter device is backwashed by clear water, and the like, and the eutrophic water is circulated and reciprocated in sequence, and the air inflation process of the air bag and the air deflation process of the air bag are driven by the inflator pump in the whole treatment process, so that the structure is simple and efficient;

3. compared with the existing huge equipment facilities such as the algae removal ship and the like, the equipment of the utility model has the advantages of simple equipment, high intensification degree, no need of adding medicament and arranging back washing equipment in the operation process, and low manufacturing cost and operation cost;

4. in the utility model, the pressure in the cavity body can be increased in the expansion process of the air bag, and the eutrophic water body is filtered by the filtering device under the action of the pressure; the clear water passing through the filtering device is stored in the clear water storage cavity, and the blue-green algae sewage concentrated solution in the cavity body enters the algae solution storage cavity to be stored; during the contraction process of the air bag, negative pressure is generated in the cavity body, and the first piston can approach the filtering device at the moment, so that the clean water in the clean water storage cavity is pressed to reversely pass through a filter membrane of the filtering device, and the filter membrane is subjected to a back flushing process; therefore, the processes of filtration, storage and back flushing are simultaneously realized through the expansion and contraction processes of the air bag.

5. In the process that the second piston gradually approaches towards the outer end of the algae liquid storage cavity, the area of the algae liquid storage cavity can be continuously enlarged, so that the phenomenon that air is reserved in the algae liquid storage cavity to prevent blue-green algae sewage concentrated solution from entering into the storage cavity.

Drawings

FIG. 1 is a schematic structural view of a eutrophic water body purification apparatus for filtering and removing algae in front view;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic sectional view A-A of FIG. 1;

FIG. 4 is a state diagram of the purification apparatus corresponding to step S1;

FIG. 5 is a state diagram of the purification apparatus corresponding to step S2;

FIG. 6 is a schematic view of the air bag of FIG. 5 after the air therein has been completely evacuated;

FIG. 7 is a state diagram of the purification apparatus corresponding to step S3;

FIG. 8 is a state diagram of the purification apparatus according to the present invention corresponding to steps S4-S5;

fig. 9 is a state diagram of the purification apparatus corresponding to step S6 of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific embodiments.

As shown in fig. 1 to 3, the eutrophic water body purification device for removing algae by filtration comprises a cavity main body 1, wherein an expandable and contractible air bag 2 is arranged in the cavity main body 1, the air bag 2 is connected with an inflator pump 4 through an inflation pipeline 3, an air release valve 5 is arranged on the inflation pipeline 3, a clean water storage chamber 6 is arranged at one end of the cavity main body 1, a first piston 7 connected with the clean water storage chamber 6 in a sliding manner is arranged at the open end of the clean water storage chamber 6, a filter device 8 is arranged between the first piston 7 and the air bag 2, and an algae liquid storage chamber 9 is arranged at one side of the cavity main body 1.

Preferably, the open end of the algae liquid storage chamber 9 is provided with a second piston 10 slidably connected thereto.

Preferably, the electromagnetic valve 12 is arranged at the position of the communication hole between the algae liquid storage cavity 9 and the cavity main body 1, and the first check valve 11 for water inlet is arranged at the water inlet hole at the other side wall of the cavity main body 1.

Preferably, a distance measuring sensor 13 for measuring the distance between the filtering device 8 and the air bag 2 is further arranged in the cavity body 1, the output end of the distance measuring sensor 13 is connected with a controller, and the output end of the controller is connected with the input end of the electromagnetic valve 12. In this embodiment, the controller may be a microprocessor, and may be a DSP of model TMS320C 32.

In above-mentioned technical scheme, range sensor 13 can measure filter equipment 8 and 2 distances of gasbag in real time, and when its distance was less than a definite value (for example 4 cm), controller control solenoid valve 12 opened, and the dense blue-green algae sewage in the cavity main part 1 can enter into in the algae liquid storage chamber 9 through solenoid valve 12.

Preferably, the communication hole between the algae liquid storage cavity 9 and the cavity body 1 is further provided with a one-way valve connected in series with the electromagnetic valve 12. After the design, the thick blue-green algae sewage stored in the algae liquid storage cavity 9 can be prevented from reversely flowing into the cavity main body 1.

Preferably, the clear water storage cavity 6 lateral wall apopore is equipped with the second check valve 14 that is used for going out water, be equipped with outer calandria 15 on the algae liquid storage cavity 9 lateral wall, be equipped with valve 16 on the outer calandria 15.

Preferably, the filter device 8 comprises a filter membrane holder 8.1 connected to the side wall of the cavity body 1 and a filter membrane 8.2 arranged on the filter membrane holder 8.1. Preferably, the filter membrane 8.2 is a micron-sized filter membrane.

Preferably, the top of the cavity body 1 is further provided with a floating plate 17 and a solar photovoltaic plate, and the solar photovoltaic plate is connected with the storage battery. The solar photovoltaic panel converts light energy into electric energy, and the electric energy is stored in the storage battery and provides electric energy for the inflator pump 4, the controller and other devices.

The embodiment discloses a purification method of the eutrophic water body purification device for filtering and removing algae, which comprises the following steps:

s1: starting the inflator pump 4, inflating the airbag 2 to enable the airbag 2 to expand and fill the cavity main body 1, then closing the inflator pump 4, then launching the whole purification device to float on the water surface, and directly dragging the purification device into the blue-green algae outburst water body of the rivers and lakes (as shown in figure 4);

s2: when the deflation valve 5 is opened, the gas in the air bag 2 is automatically discharged, negative pressure is generated in the cavity main body 1 along with the release of the gas in the air bag 2, when the air bag 2 is contracted to a position where the first one-way valve 11 is not shielded, under the action of external atmospheric pressure, external blue-green algae sewage enters the cavity main body 1 from the first one-way valve 11, and after the gas in the air bag 2 is completely released, water inflow is completed (as shown in fig. 5 and 6);

s3: the inflator pump 4 is started again to inflate the air bag 2, the pressure inside the cavity body 1 is increased in the expansion process of the air bag 2, and the eutrophic water body is filtered through the filter device 8 under the pressure action (as shown in fig. 7);

s4: the clean water passing through the filter device 8 is stored in the clean water storage chamber 6, and when the air bag 2 is close to the filter device 8, the electromagnetic valve 12 is opened, and the blue-green algae sewage concentrated solution in the cavity body 1 enters the algae solution storage chamber 9 through the electromagnetic valve 12 (as shown in fig. 8);

s5: when the first piston 7 passes through the position of the second one-way valve 14, a part of clear water in the clear water storage cavity 6 is discharged out of the cavity body 1 through the second one-way valve 14, the second piston 10 gradually approaches towards the outer end of the algae liquid storage cavity 9, and the blue-green algae sewage concentrated solution is gradually accumulated in the algae liquid storage cavity 9; in this embodiment, the second piston 10 gradually expands the area of the algae liquid storage chamber 9 continuously in the process of approaching the outer end of the algae liquid storage chamber 9, so as to prevent the air remained in the algae liquid storage chamber 9 from obstructing the blue-green algae sewage concentrate. Because if the fixed volume of the algae liquid storage chamber 9 is reserved directly, the algae liquid storage chamber 9 needs to be exhausted, which results in a complicated process (as shown in fig. 8).

S6: the inflator pump 4 is closed, the deflation valve 5 is opened, the gas in the air bag 2 is automatically discharged, negative pressure is generated in the cavity body 1 along with the release of the gas in the air bag 2, at the moment, the first piston 7 can approach the filtering device 8, the clean water in the clean water storage cavity 6 can reversely pass through the filter membrane 8.2 of the filtering device 8, and the back washing process is carried out on the filter membrane; while this process is being performed, when the airbag 2 is contracted to a position where the first check valve 11 is not shielded, the blue-green algae sewage located outside the cavity body 1 is introduced into the cavity body 1 again from the first check valve 11, and S2 to S6 (shown in fig. 9) are repeated.

Preferably, it further comprises the steps of:

s7: when the algae liquid storage cavity 9 is full of blue-green algae sewage concentrated solution, the whole purification device is pulled back to the shore, the outer discharge pipe 15 is connected with the suction pump, the valve 16 is opened, so that the sewage in the algae liquid storage cavity 9 is pumped to a garbage storage area on the shore, and then S1-S6 are repeated.

Preferably, in the step S4, when the distance between the filter device 8 and the airbag 2 measured by the distance measuring sensor 13 is less than 4cm, the controller controls the electromagnetic valve 12 to open, and then the blue-green algae sewage concentrate in the cavity body 1 enters the algae liquid storage chamber 9 through the electromagnetic valve 12.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.

Claims

1. The utility model provides a filter eutrophic water purifier who gets rid of alga, includes cavity main part (1), its characterized in that: be equipped with gasbag (2) expandable and contractive in cavity main part (1), gasbag (2) are connected with pump (4) through inflation tube (3), are equipped with bleed valve (5) on inflation tube (3), cavity main part (1) one end is equipped with the clear water and stores chamber (6), and the clear water is stored the open one end in chamber (6) and is equipped with rather than sliding connection's first piston (7), be equipped with filter equipment (8) between first piston (7) and gasbag (2), cavity main part (1) one side is equipped with algae liquid and stores chamber (9).

2. The eutrophic water body purification device for filtering and removing algae according to claim 1, wherein: the open end of the algae liquid storage cavity (9) is provided with a second piston (10) which is connected with the algae liquid storage cavity in a sliding way.

3. The eutrophic water body purification device for filtering and removing algae according to claim 1, wherein: the algae liquid storage cavity (9) and the communicating hole position of cavity main part (1) set up solenoid valve (12), and another lateral wall inlet opening of cavity main part (1) is equipped with first check valve (11) that are used for intaking.

4. The eutrophic water body purification device for filtering and removing algae according to claim 3, wherein: still be equipped with range sensor (13) that are used for measuring filter equipment (8) and gasbag (2) distance in cavity main part (1), range sensor (13) output is connected with the controller, the controller output is connected with solenoid valve (12) input.

5. The eutrophic water body purification device for filtering and removing algae according to claim 3, wherein: the communicated hole positions of the algae liquid storage cavity (9) and the cavity main body (1) are also provided with a one-way valve which is connected with the electromagnetic valve (12) in series.

6. The eutrophic water body purification device for filtering and removing algae according to claim 1, wherein: the clear water is stored chamber (6) lateral wall apopore and is equipped with second check valve (14) that are used for going out water, be equipped with outer calandria (15) on algae liquid storage chamber (9) lateral wall, be equipped with valve (16) on outer calandria (15).

7. The eutrophic water body purification device by filtering and removing algae according to claim 1, wherein: the filtering device (8) comprises a filter membrane bracket (8.1) connected with the side wall of the cavity body (1) and a filter membrane (8.2) arranged on the filter membrane bracket (8.1).

8. The eutrophic water body purification device for filtering and removing algae according to claim 1, wherein: the top of the cavity body (1) is further provided with a floating plate (17) and a solar photovoltaic plate, and the solar photovoltaic plate is connected with the storage battery.