CN217127208U - In-situ algae-laden water separation ecological purification system - Google Patents

Abstract

The utility model relates to an environmental protection field especially relates to an ecological clean system of normal position algae moisture. Ecological clean system of normal position algae-laden water separation which characterized in that: the device comprises a blue algae deep well treatment device constructed in a water body, at least one precipitation separation tank separated from the water body, and an ecological purification tank constructed on the bank of a river; the blue algae deep well treatment device, the precipitation separation tank and the ecological purification tank are sequentially connected through pipelines; and a sludge in-situ treatment well is constructed at the bottom of the sedimentation separation tank. The scheme solves the problems that the existing treatment method or treatment device has the defects of treating symptoms and not treating the root causes and cannot effectively inhibit the blue-green algae in the natural water body in an early stage.

Description

In-situ algae-laden water separation ecological purification system

Technical Field

The utility model relates to an environmental protection field especially relates to an ecological clean system of normal position algae moisture.

Background

At present, lake eutrophication and cyanobacterial bloom become a global important environmental problem with the continuous development of social economy. Especially in the large background of global warming, eutrophic lakes are often subjected to water bloom, resulting in a decrease in water transparency and dissolved oxygen, and often accompanied by the generation of toxins and odorous substances, causing deterioration in water quality and destruction of water ecosystem. The burst of blue algae endangers the drinking water problem of human beings, and the blue algae bloom control and treatment work is more and more severe. At present, the existing technology is difficult to effectively inhibit the blue algae outbreak, and the blue algae can be collected and disposed only after the blue algae outbreak. The conventional blue algae treatment method mainly comprises the following steps: mechanically fishing or putting a flocculating agent into the blue algae water for separation, and enabling the formed algae residue pipe to pass through a disc spiral filter and other filtering equipment to form algae residues. However, the above-mentioned treatment methods or treatment apparatuses have the drawback of being both temporary and permanent, and cannot effectively inhibit the blue-green algae in the natural water body at an early stage, so that there is an urgent need in the market for a comprehensive blue-green algae treatment apparatus and a treatment method thereof to solve these problems.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide an in-situ algae-laden water separating ecological purification system, which solves the problem that the existing treatment method or treatment apparatus proposed in the background art all have the defects of temporary solution and permanent solution, and cannot effectively inhibit the blue-green algae in the natural water body in the early stage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

ecological clean system of normal position algae-laden water separation which characterized in that: the device comprises a blue algae deep well treatment device constructed in a water body, at least one precipitation separation tank separated from the water body, and an ecological purification tank constructed on the bank of a river; the blue algae deep well treatment device, the precipitation separation tank and the ecological purification tank are sequentially connected through pipelines; and a sludge in-situ treatment well is constructed at the bottom of the sedimentation separation tank.

The utility model adopts the above technical scheme, this technical scheme relates to an ecological clean system of normal position algae-laden water separation, the blue alga deep well processing apparatus among this ecological clean system of normal position algae-laden water separation destroys pseudo-vacuole, colony structure and the cell structure etc. of the blue alga of collection through static water pressure, reduce blue alga reproductive capacity, blue alga deep well processing apparatus can refer to the scheme implementation of the earlier patent record of application number for "CN 201720870790.8", "CN 201720870786.1", "CN201710585797. X", "CN201710585437. X", "CN 201720870787.6" or "CN 201720869988.4".

The sedimentation separation tank is used for settling algae water and can adopt flocculating agents with different dosage according to different blue algae quantity; when the number of the blue algae is less, a small amount of flocculant is adopted for precipitation; when the number of the blue algae is large, a large amount of flocculating agent is adopted for precipitation. The sludge in-situ treatment well at the bottom of the sedimentation separation tank can automatically collect algae residues, and can be implemented by adopting the contents recorded in the prior patent schemes with the application numbers of "CN202011157842. X" or "CN 202011157819.0". The tail end of the sedimentation separation tank is connected with the ecological purification tank through a pipeline, tail water is purified and treated, and the tail water is discharged into a river water body after being qualified through conventional water quality inspection, so that the health of the water body is protected, and secondary pollution to the environment is reduced.

By adopting the in-situ algae-laden water separation ecological purification system with the structure, the problems that the existing treatment method or treatment device in the background art has the defects of temporary solution and permanent solution and cannot effectively inhibit the blue-green algae in the natural water body in an early stage are solved.

Preferably, the sludge in-situ treatment well is internally provided with an algae residue recovery pipeline. Algae residue collected by the sludge in-situ treatment well is discharged into the dehydration mechanism through a pipeline for algae-water separation, and the separated algae residue is transported outside to realize reutilization.

Preferably, a peak-shaving homogenizing pool is also separated from the water body between the blue algae deep-well treatment device and the precipitation separation pool, and a stirrer is arranged in the peak-shaving homogenizing pool; the outlet end of the blue algae deep well treatment device is connected with the peak-regulating homogenizing pool through the algae slurry conveying channel, and the tail end of the peak-regulating homogenizing pool passes through the precipitation separation pool. According to the technical scheme, a peak-regulating homogenizing pool is further arranged between the blue algae deep-well treatment device and the precipitation separation pool, algae water obtained through the blue algae deep-well treatment device stays in the peak-regulating homogenizing pool for a period of time, a flocculating agent is added into the peak-regulating homogenizing pool and is stirred through a stirrer, and therefore the flocculating agent in the algae water is uniformly distributed.

Preferably, the number of the sedimentation separation tanks is multiple, and the sedimentation separation tanks are communicated in sequence; and sludge in-situ treatment wells are constructed at the bottoms of the sedimentation separation tanks. In the technical scheme, a plurality of precipitation separation tanks are adopted to construct a multi-stage precipitation separation zone, precipitation separation of different degrees is adopted, a natural sedimentation and improved harmless flocculating agent is adopted to precipitate the blue algae, and the flocculating agents in the separation zones of different levels are different in dosage.

Preferably, a flow pushing device is arranged in the algae slurry conveying channel and is used for conveying algae water in the blue algae deep well treatment device to the peak-shaving homogenizing pool.

In a further scheme, the sludge in-situ treatment well is constructed at a low-lying position at the bottom of the sedimentation and separation tank, and the lower part of the sedimentation and separation tank is poured into an inclined plane inclined towards the sludge in-situ treatment well through concrete. In the technical scheme, the lower part of the sedimentation separation tank is poured into an inclined plane inclined towards the sludge in-situ treatment well through concrete, so that the algae residues obtained through sedimentation can be collected into the sludge in-situ treatment well.

In conclusion, the in-situ algae-laden water separation ecological purification system has the following effects:

1. the blue algae pressurization deep well is provided with the enclosure and the impeller, and the collection of blue algae in the current level can be better matched by combining the wind direction, so that more blue algae can be collected, and the collection efficiency of the blue algae is greatly improved.

2. The static pressure generated by pressurizing the deep well with the depth of 70 meters can destroy pseudo vacuole, colony structure, cell structure and the like of the blue algae, reduce the reproductive capacity of the blue algae, and facilitate the separation and disposal of the blue algae.

3. The invention sets different levels of sedimentation tanks to be matched with the improved harmless flocculating agent for sedimentation of the blue algae, and the different levels of the flocculating agent in the separation zone have different use amounts, so that the equipment can adapt to the requirements of different treatment amounts.

4. The algae residues are treated by the sludge well, the algae residues which are precipitated and fall into the water bottom are collected by the sludge well, the algae residues are connected with the dewatering mechanism for algae-water separation, and the algae residues are treated and transported out, so that the resource reutilization can be realized.

5. The tail water is treated by the ecological purification tank and is discharged into the inland river water body after being qualified through conventional water quality inspection, so that the health of the water body is protected, and the secondary pollution to the environment is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an in-situ algae-laden water separation ecological purification system.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, the embodiment relates to an in-situ algae-laden water separation ecological purification system, which comprises a blue algae deep well treatment device 1 constructed in a water body, a peak regulation homogenizing tank 2 and at least one precipitation separation tank 3 separated from the water body, and an ecological purification tank 4 constructed on the bank of a river. Blue alga deep well processing apparatus 1, peak regulation homogeneity pond 2, sedimentation separation tank 3 and ecological purification pond 4 pass through the pipeline and link to each other in proper order, and the sedimentation separation tank 3 that shows in the figure has threely, divide into and connect communicating one-level sedimentation separation tank 31, second grade sedimentation separation tank 32 and tertiary sedimentation separation tank 33 in proper order, and 3 sedimentation separation tank 3's bottom has all constructed a silt normal position processing well 5 at least, is provided with algae sediment recovery pipeline 6 in the silt normal position processing well 5.

The blue algae deep well treatment device 1 reduces the blue algae reproduction capacity by destroying pseudo vacuoles, population structures, cell structures and the like of the collected blue algae through static water pressure, and the blue algae deep well treatment device 1 can be implemented by referring to the scheme described in the prior patent with the application number of "CN 201720870790.8", "CN 201720870786.1", "cn201710585797. x", "cn201710585437. x", "CN 201720870787.6" or "CN 201720869988.4".

The sludge in-situ treatment well 5 is constructed at a low position at the bottom of the sedimentation and separation tank 3, and the lower part of the sedimentation and separation tank 3 is poured into an inclined plane inclined towards the sludge in-situ treatment well 5 through concrete. The lower part of the sedimentation separation tank 3 is poured into an inclined plane inclined towards the sludge in-situ treatment well 5 through concrete, the algae residues obtained through sedimentation are favorably collected into the sludge in-situ treatment well 5, the sludge in-situ treatment well 5 can be used for carrying out primary sludge drying treatment on the algae residues obtained through mobile phone, and the sludge drying treatment well can be implemented by adopting the content recorded in the prior patent scheme with the application number of 'CN202011157842. X' or 'CN 202011157819.0'.

The peak-regulating homogenizing tank 2 is positioned between the blue algae deep well treatment device 1 and the sedimentation separation tank 3, the outlet end of the blue algae deep well treatment device 1 is connected with the peak-regulating homogenizing tank 2 through an algae slurry conveying channel 7, and the tail end of the peak-regulating homogenizing tank 2 passes through the sedimentation separation tank 3. And a stirrer 21 is arranged in the peak-shaving homogenizing pool 2. The algae water obtained by the blue algae deep well treatment device 1 stays in the peak-shaving homogenizing pool 2 for a period of time, and a flocculating agent is added into the peak-shaving homogenizing pool 2 and stirred by a stirrer 21, so that the flocculating agent in the algae water is uniformly distributed. Wherein, a flow pushing device is arranged in the algae slurry conveying channel 7 and is used for conveying algae water in the blue algae deep well treatment device 1 to the peak-regulating homogenizing pool 2.

The algae residue recovery pipeline 6 can be introduced into a dehydration mechanism for algae-laden water separation, and the separated algae residues are transported outside for recycling.

The ecological purification tank 4 purifies the tail water, and discharges the tail water into a river water body after passing the conventional water quality inspection, thereby protecting the health of the water body and reducing the secondary pollution to the environment. As shown in the figure, the ecological purification tank 4 comprises a water inlet, emergent aquatic plants planted at the edge, submerged plants planted at the bottom and a water outlet.

The in-situ algae-laden water separation ecological purification system based on the structure solves the problems that the existing treatment method or treatment device proposed in the background art has the defects of temporary solution and permanent solution and cannot effectively inhibit the blue-green algae in the natural water body in an early stage. Meanwhile, the peak-shaving homogenizing pool 2, the sedimentation separation pool 3 and the ecological purification pool 4 in the in-situ algae-water separation ecological purification system are constructed on the basis of an original river channel, concrete is poured at the bottom, the periphery of the pond is reinforced by wood piles, and pipelines are laid, so that the original environment is slightly changed. After the construction is finished, the original landform can be quickly recovered, and the original ecological environment is not damaged. The in-situ algae-laden water separation ecological purification system is integrated with the surrounding environment during operation, and has small influence on the environment.

The method is implemented by adopting the following steps:

1, collecting and treating blue algae by using a blue algae deep well treatment device 1 to obtain algae water; when the blue algae deep well treatment device 1 collects blue algae, firstly, an enclosure is arranged near the bank to enclose a large sheet of blue algae, the blue algae floating on the water surface is pushed to the pressurized deep well algae collecting hopper by combining with a flow pushing device according to the wind direction, when the blue algae deep well treatment device is used, the height of the algae collecting hopper is adjusted by stretching of a hydraulic telescopic cylinder to be 1mm lower than the water surface, water can be collected to the algae collecting hopper to generate rotational flow, and therefore pseudo vacuole, colony structure, cell structure and the like of the collected blue algae are destroyed by static water pressure along with the water flowing into the pressurized deep well, the blue algae reproductive capacity is reduced, meanwhile, the precipitation of algae residues is facilitated, the separation and the disposal of algae water are facilitated, and the pressure range is 0.5-0.8 MPa.

And 2, introducing the algae water into the peak-shaving homogenizing pool 2, standing for about 7min, adding a flocculating agent into the peak-shaving homogenizing pool 2, and stirring by a stirrer 21, so that the flocculating agent in the algae water is uniformly distributed.

3, introducing the algae water into a first-stage precipitation separation tank 31, a second-stage precipitation separation tank 32 and a third-stage precipitation separation tank 33 in sequence; the sedimentation separation tank 3 is combined with flocculating agents with different dosages to carry out sedimentation separation on the algae water; different amounts of flocculating agents can be adopted according to different numbers of blue algae; when the number of the blue algae is less, a small amount of flocculant is adopted for precipitation; when the number of the blue algae is large, a large amount of flocculating agent is adopted for precipitation. The sludge in-situ treatment well 5 collects algae residues at the bottom of the precipitation separation tank 3, the sludge in-situ treatment well 5 carries out in-situ drying treatment and then discharges the collected algae residues into a dewatering mechanism through a pipeline for algae water separation, and the separated algae residues are transported outwards to realize recycling.

4, the other end of the sedimentation separation tank 3 is connected with the ecological purification tank 4 of the shore wetland through a pipeline, tail water is purified and treated, and the tail water is discharged into a river water body after being qualified through conventional water quality inspection, so that the health of the water body is protected, and the secondary pollution to the environment is reduced.

Treating the tail water by an in-situ algae-laden water separation ecological purification system; 1, the removal rate of SS (floating material) is 30-60%; 2, the blue algae removal rate is 95%; 3, the water quality transparency is greatly improved and can reach more than 2 m.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (6)

1. Ecological clean system of normal position algae-laden water separation which characterized in that: comprises a blue algae deep well treatment device (1) constructed in a water body, at least one sedimentation separation tank (3) separated in the water body and an ecological purification tank (4); the blue algae deep well treatment device (1), the sedimentation separation tank (3) and the ecological purification tank (4) are sequentially connected through pipelines; and a sludge in-situ treatment well (5) is constructed at the bottom of the sedimentation separation tank (3).

2. The in-situ algae-water separation ecological purification system of claim 1, wherein: a peak-regulating homogenizing tank (2) is also separated from a water body between the blue algae deep-well treatment device (1) and the sedimentation separation tank (3), and a stirrer (21) is arranged in the peak-regulating homogenizing tank (2); the outlet end of the blue algae deep well treatment device (1) is connected with the peak regulation homogenizing pool (2) through the algae slurry conveying channel (7), and the tail end of the peak regulation homogenizing pool (2) passes through the precipitation separation pool (3).

3. The in-situ algae-water separation ecological purification system according to claim 1 or 2, wherein: a plurality of sedimentation separation tanks (3) are arranged and communicated with each other in sequence; and sludge in-situ treatment wells (5) are constructed at the bottoms of the sedimentation separation tanks (3).

4. The in-situ algae-water separation ecological purification system according to claim 1 or 2, wherein: an algae residue recovery pipeline (6) is arranged in the sludge in-situ treatment well (5).

5. The in-situ algae-water separation ecological purification system of claim 2, wherein: and a flow pushing device is arranged in the algae slurry conveying channel (7) and is used for conveying algae water in the blue algae deep well treatment device (1) to the peak-shaving homogenizing pool (2).

6. The in-situ algae-water separation ecological purification system of claim 1, wherein: the sludge in-situ treatment well (5) is constructed at a low position at the bottom of the sedimentation and separation tank (3), and the lower part of the sedimentation and separation tank (3) is an inclined plane inclined towards the sludge in-situ treatment well (5).

Images