Self-approaching pollution purification device for river outlet of submersible floating type

Abstract

The application discloses a self-tending submerged floating river-inlet discharge port pollution purification device, which comprises a main function device and a submerged floating device, and a purification unit is arranged in the main function device. The self-tending submerged floating river-inlet discharge port pollution purification device can automatically tend to the river-inlet discharge port with more pollution and efficiently purify the river-inlet discharge port, so as to avoid the diffusion pollution of the sewage in the river-inlet discharge port to other water bodies. In addition, the purification device further comprises a submerged floating device, and the submerged floating device comprises an air bag. The air bag can adjust the working depth of the purification device in water through air charging and discharging, can purify water bodies with different depths, makes the purification more sufficient, and is suitable for more abundant water area conditions. The air-charging and air-discharging air bag structure is simple and easy to control, and can quickly realize the submerged floating position change of the purification device.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of energy saving and environmental protection sewage treatment, and particularly relates to a self-tending submerged floating type river-inlet pollution purification device. BACKGROUND

[0002] With the continuous acceleration of urbanization process in China, the construction scale of urban drainage system is also increasing year by year. The urban drainage system is an important part of the urban lifeline, which bears the functions of collecting, transporting and discharging urban domestic sewage, industrial wastewater and rainwater runoff, and is an important part of the ecological civilization strategy that is worth paying attention to in the process of promoting.

[0003] With the continuous acceleration of urbanization process in China, the construction scale of urban drainage system is also increasing year by year. The end of the urban drainage system is the river-inlet pollution outlet located along the river. The effluent pollution of these river-inlet pollution outlets is the total source of urban river water pollution and eutrophication, and even black odor. This is because the combined system drainage pipeline has accumulated a large amount of sludge due to small flow during "sunny days"; the rainwater pipeline of the separated system also has the problem of sludge accumulation due to the problem of sewage pipeline mixing. When "rainy days" come, the sludge accumulated in the pipeline of the combined system drainage pipeline or the rainwater pipeline of the separated system is washed into the river-inlet pollution outlet and enters the surface water, causing eutrophication and even black odor. Therefore, the surface water received by the river-inlet pollution outlet usually presents the phenomenon of "clear on sunny days and black on rainy days", so it is urgent to implement timely and efficient purification for the rain pollution of the river-inlet pollution outlet.

[0004] In addition, China also pays more and more attention to the treatment of new pollutants in rivers, and most of the new pollutants in rivers also come from the rain pollution of river-inlet pollution outlets. New pollutants have serious harm to the health of food chains and the balance of aquatic ecosystems in surface water.

[0005] In summary, the market urgently needs a new purification device that can solve the effluent pollution problem of the river-inlet pollution outlet at the end of the urban drainage system, the construction of food chains and the recovery of aquatic ecosystems in the surface water received by the river-inlet pollution outlet. SUMMARY

[0006] The technical problem to be solved by the present application is to overcome the defects of the prior art, such as the incomplete receiving water purification device of the river-inlet pollution outlet, the inability of the purification device to conveniently adjust the depth position in the water body, the insufficient water purification, and the inability to adapt to rich water conditions, and to provide a self-tending submerged floating type river-inlet pollution purification device.

[0007] The present application solves the above technical problems by the following technical scheme:

[0008] A self-tending submerged floating type river-inlet pollution purification device comprises:

[0009] The main functional device is internally provided with a purification unit for purifying the received water body;

[0010] The submerging and floating device comprises an air bag connected with the main functional device, and the air bag can realize the submerging and floating function of the main functional device through inflation and deflation;

[0011] When the air bag is inflated, the buoyancy of the air bag increases and the air bag floats up, and the main functional device is supported by the air bag to float up; when the air bag is deflated, the buoyancy of the air bag decreases, and the supporting force of the main functional device decreases and freely dives under the action of gravity.

[0012] In the scheme, the purification unit is arranged in the main functional device to realize the function of purifying the received water body of the river outlet, so as to avoid the diffusion of sewage of the river outlet to other water bodies; in addition, the submerging and floating device comprising the air bag is arranged on the water purifying device, the working depth of the purification device in water can be adjusted through inflation and deflation of the air bag, so that the purification device can purify water bodies at different depths, and the purification is more sufficient and the water area is more adaptable, wherein the air bag structure is simple and easy to control, and the submerging and floating position of the purification device can be quickly changed.

[0013] Preferably, the air bag is annular and horizontally surrounds the bottom of the main functional device.

[0014] In the scheme, the annular air bag is arranged horizontally around the bottom of the main functional device, so that the supporting force of the air bag on the main functional device is more uniform in the horizontal direction during inflation and deflation, and the main functional device will not be tilted to affect its normal purification work, the annular air bag has smaller contact area with the main functional device than the planar and surrounding air bags, and has smaller influence on the main functional device, and the structure also has a certain protection effect on the main functional device.

[0015] Preferably, the purification device comprises a floating body floating on the water surface for installing auxiliary facilities;

[0016] The purification device further comprises a free telescopic pipe connected between the floating body and the main functional device, and the telescopic length of the free telescopic pipe is adapted to the change of the vertical position of the main functional device;

[0017] The inside of the free telescopic pipe is used for installing a pipeline, and the pipeline is connected between the auxiliary facilities and the main functional device and is used for conveying substances.

[0018] In the present scheme, the floating body is arranged on the water surface in the purification device, which facilitates the quick positioning of the position of the water purification device, facilitates the installation and maintenance of various auxiliary facilities, and protects the auxiliary facilities from being damaged by contacting the water below. In addition, a free telescopic pipe is arranged between the purification device and the floating body. When the main functional device is submerged in the water area, the free telescopic pipe can freely extend and retract in the vertical direction, so that the floating body can float on the water surface without being affected by the vertical position of the functional device, and can pull the floating body in the horizontal direction to automatically follow the main functional device. The inside of the free telescopic pipe is used to install pipelines to transport substances, and the pipe wall can protect the pipelines from being damaged by the water environment and simplify the appearance of the purification device.

[0019] Preferably, the auxiliary facilities include an air compressor, which is in communication with the air bag, and the air compressor is used to deliver or extract gas to the air bag, so that the air bag can realize the inflation and deflation function.

[0020] In the present scheme, the air compressor is arranged to realize the control function of inflating and deflating the air bag, which can improve the efficiency of inflation and deflation and ensure that the air bag can be inflated with sufficient gas to support the main functional device to float. The air compressor is arranged as an auxiliary device on the floating body, which is more convenient for the maintenance of the purification device.

[0021] Preferably, the purification device includes a nano aerator, which is arranged below the purification unit, the air outlet surface of the nano aerator is arranged upward, and a plurality of nano aerators are arranged in the horizontal direction, and the nano aerator is used to generate nano bubbles.

[0022] The auxiliary facilities include an air compressor, which is in communication with the nano aerator, and the air compressor is used to deliver gas to the nano aerator.

[0023] In the present scheme, the nano aerator is arranged at the bottom of the main functional device, and its air outlet surface is arranged upward, so that the generated nano bubbles can freely rise through the inside of the main functional device, so that the purification unit can obtain more sufficient gas to improve the working efficiency. A plurality of nano aerators arranged in the horizontal direction can provide more sufficient nano bubbles to further improve the working efficiency. In addition, the air compressor arranged on the floating body is used to supply gas to the nano aerator, which can make the nano aerator obtain sufficient gas source. The air compressor is arranged as an auxiliary device on the floating body, which is more convenient for the maintenance of the purification device.

[0024] Preferably, the main functional device includes a plurality of water quality monitoring probes distributed around the periphery, which can monitor the surrounding water pollution degree and transmit the water quality information to the central control device.

[0025] The main functional device further comprises a plurality of flow rate monitoring probes distributed around the periphery thereof, capable of monitoring the flow direction and flow rate of the surrounding water flow and transmitting the flow rate information to the central control device;

[0026] The central control device can comprehensively analyze the water quality information and flow rate information through a machine learning algorithm, predict the location of the pollution discharge outlet in the river, and drive the main functional device to operate near the river discharge outlet.

[0027] Preferably, the working mode of the main functional device includes an emergency water purification mode and an ecological construction mode.

[0028] When the water quality information shows that the water pollution level of the surrounding water body is not less than a first preset value (COD≥50mg / L), the central control device adjusts the purification mode to "emergency water purification mode" and controls the treatment agent sprayed by the main functional device to be hydrogen peroxide, chlorine dioxide solution or ozone to disinfect and purify the surrounding water body; at the same time, the wavelength of the lamp tube irradiation lamp of the central control device is adjusted to the ultraviolet band of 100-400nm to further disinfect the nearby water body and generate active free radicals under the action of ultraviolet rays.

[0029] When the water quality information shows that the water pollution level of the surrounding water body is less than the first preset value (COD<50mg / L), the central control device adjusts the purification mode to "ecological construction mode" and controls the treatment agent sprayed by the main functional device to be probiotic bacteria liquid or algal liquid to spread and reproduce bacteria or algae in the nearby water body; at the same time, the wavelength of the lamp light of the lamp tube is adjusted to the visible light band of 400-760nm to assist the growth of bacteria liquid or algal liquid and improve the water ecology by using the growth characteristics of bacteria and algae.

[0030] In this scheme, the purification unit includes an emergency water purification mode and an ecological construction mode.

[0031] In the emergency water purification mode, the purification unit can adjust the irradiation wavelength of the lamp light to the ultraviolet band, and at the same time, output various oxidizing agents such as ozone, hydrogen peroxide or chlorine dioxide, so that a large number of active free radicals such as hydroxyl radicals are generated under the excitation of ultraviolet rays, and then rely on the strong oxidizing property of active free radicals to efficiently degrade and oxidize various organic matter or reducing inorganic matter in the water body, rapidly convert into harmless inorganic matter such as carbon dioxide and water, and achieve the goal of emergency water purification.

[0032] In the ecological construction mode, the purification unit can realize the ecological construction function of the water body, and further improve the purification effect. In this mode, the bacteria solution or algae solution is cultured in the water body, which can utilize the growth characteristics of the bacteria solution or algae solution to decompose harmful substances in the water body, effectively avoid the accumulation of solid organic matter, new pollutants and harmful substances, especially for persistent organic pollutants, antibiotics, endocrine disruptors and other new pollutants, and improve the water quality. By setting the nano aeration disc, the bacteria solution or algae solution can be provided with the required gas for growth, and the growth process of the bacteria solution or algae solution can be accelerated, and the working efficiency can be further improved.

[0033] Preferably, the purification unit is cylindrical and multiple, the axis of the purification unit is arranged transversely in the main functional device, and a plurality of through holes are opened on the wall surface of the purification unit, which communicate the water bodies inside and outside the purification unit and allow the water bodies to pass through.

[0034] One end of the axial direction of the purification unit is provided with an axial flow pump and a water outlet, the axial flow pump is used to pump the water in the purification unit to the water outlet, and the water outlet is arranged at the end of the axial direction of the axial flow pump away from the purification unit.

[0035] In this scheme, the purification unit is set as a cylindrical shape with multiple through holes, which can make the water body enter and exit the purification unit smoothly, so as to more fully realize the purification in the purification unit. In addition, the axial flow pump and the water outlet are arranged at one end of the purification unit, which can guide and control the water flow in the purification unit under the pumping action of the axial flow pump, and the water flow direction is from the multiple through holes into the purification unit, and then flows out from the water outlet after the purification. This flow direction makes the water inlet area larger, and the uniform flow effect of the multi-hole cylinder wall makes the water flow in the internal of the purification unit more uniform, and the maximum hydraulic load that the purification device can withstand is improved.

[0036] Preferably, the floating body is flat, and the plane of the floating body is parallel to the water surface.

[0037] The floating body includes a water scooping edge, which surrounds the periphery arranged in the horizontal direction of the floating body and is combined with the floating body into a bowl shape with an opening upward, and the water scooping edge is used to collect rainwater on the surface of the floating body.

[0038] The floating body includes a flow channel, which is in the form of a through hole, is arranged at the junction of the water scooping edge and the floating body, and communicates the inner and outer surfaces of the water scooping edge, and the flow channel is used to make the rainwater collected by the water scooping edge flow out of the flow channel.

[0039] The auxiliary facility includes an impeller hydraulic generator, which is arranged on the outer surface of the water scooping edge and is arranged at the water outlet of the flow channel.

[0040] In the scheme, the floating body is combined with the water scooping edge as a bowl-shaped structure, which can store more rainwater for power generation, the water flow is guided to the water turbine generator through the setting of the flow channel, the structure of the entire water turbine generator is simplified, and the natural rainwater is fully utilized to supply power for the water purification device, energy is saved, and the purification device can adapt to rainy weather conditions and realize self-power supply work.

[0041] Preferably, the purification device comprises a propulsion device connected with the main functional device, and the propulsion device is used to adjust the horizontal position of the main functional device in the water area.

[0042] The propulsion device comprises four propellers evenly distributed around the main functional device, and the propellers can be started simultaneously or only one.

[0043] In the scheme, by setting four propellers around the main functional device, the purification device can move horizontally in the water body to adjust the purification position, so that it can adapt to more abundant water area conditions and realize more sufficient purification function; the four propellers can be started individually or multiple, which can make the purification device move in multiple directions, and the position adjustment is more flexible.

[0044] Preferably, the main functional device comprises a shell composed of a corrosion-resistant material.

[0045] The shell comprises a filter screen, and the mesh structure of the filter screen allows the water body to pass freely, and the shell further comprises a frame for reinforcing the filter screen.

[0046] In the scheme, by setting the shell structure of the main functional device to protect the internal components, the corrosion-resistant material can adapt to complex water area environment, and the service life of the main functional device is prolonged, and the combination of the filter screen and the frame can protect the internal components while ensuring the flow of water inside and outside.

[0047] The positive progress effect of the present application is that:

[0048] For the present application, by setting the purification unit in the main functional device of the purification device, the received water body of the river inlet can be purified to avoid the diffusion pollution of the sewage of the river inlet to other water bodies; in addition, the submerging and floating function of the purification device is realized by setting the submerging and floating device comprising the air bag, wherein the air bag can adjust the working depth of the purification device in the water by means of inflation and deflation, can purify water bodies of different depths, make the purification more sufficient, and adapt to more abundant water area conditions, wherein the inflation and deflation air bag structure is simple and easy to control, and can quickly realize the change of the submerging and floating position of the purification device. BRIEF DESCRIPTION OF DRAWINGS

[0049] Figure 1Fig. 1 is a perspective view of a self-trend submerged floating river-inlet discharge mouth pollution purification device according to an embodiment of the present application;

[0050] Figure 2 Fig. 2 is a front view of a self-trend submerged floating river-inlet discharge mouth pollution purification device according to an embodiment of the present application;

[0051] Figure 3 Fig. 3 is a sectional view of a floating body and nearby components of a self-trend submerged floating river-inlet discharge mouth pollution purification device according to an embodiment of the present application;

[0052] Figure 4 Fig. 4 is a detailed enlarged view of a flow channel and nearby components of a self-trend submerged floating river-inlet discharge mouth pollution purification device according to an embodiment of the present application;

[0053] Figure 5 Fig. 5 is an appearance schematic view of a purification unit of a self-trend submerged floating river-inlet discharge mouth pollution purification device according to an embodiment of the present application;

[0054] Figure 6 Fig. 6 is a sectional view of a purification unit of a self-trend submerged floating river-inlet discharge mouth pollution purification device according to an embodiment of the present application.

[0055] Explanation of Reference Numerals:

[0056] Main function device 1

[0057] Housing 11

[0058] Filter screen 111

[0059] Frame 112

[0060] Purification unit 12

[0061] Through hole 121

[0062] Water outlet 122

[0063] Axial flow pump 123

[0064] Lamp 124

[0065] Medicine outlet pipe 125

[0066] Small hole 1251

[0067] Support 126

[0068] Nanometer aeration disc 13

[0069] Air bag 2

[0070] Floating body 3

[0071] Water scooping edge 311

[0072] Flow channel 312

[0073] Impeller water turbine 313

[0074] Solar photovoltaic panel 32

[0075] Wind turbine 33

[0076] Air compressor 34

[0077] Medicine storage box 35

[0078] Propeller 4

[0079] Corrugated hose 5

[0080] Pipeline 51 DETAILED DESCRIPTION

[0081] The present application will be further described by way of examples, but the present application is not limited to the examples.

[0082] Figure 1 The self-tending submerged floating river inlet discharge pollution purification device of an embodiment of the present application is shown in a perspective view. The purification device includes a main functional device 1. To achieve the function of the main functional device 1 to submerge and float in water, a submerging and floating device is connected to the main functional device 1. In this embodiment, an air bag 2 is selected as the submerging and floating device. In this embodiment, a ring-shaped air bag 2 is horizontally arranged around the bottom of the main functional device 1. When the air bag 2 is inflated, the buoyancy it receives increases, supporting the main functional device 1 to float upwards. When the air bag 2 is deflated, the buoyancy it receives decreases, and the supporting force on the main functional device 1 is insufficient, so the main functional device 1 freely submerges under the action of gravity. The arrangement of the ring-shaped air bag 2 can make the supporting force on the main functional device 1 more uniform in the horizontal direction, so the purification device is less likely to tip over, and the area of the surface of the purification device that is blocked is smaller, so the working of the purification device is less affected. In addition, an air compressor 34 is arranged to supply air or exhaust air to the air bag 2 to achieve the inflation and deflation process.

[0083] However, the above embodiment can also be adjusted to arrange air bags 2 of other shapes, such as arranging flat air bags 2 on the entire bottom surface of the main functional device 1, or arranging a propeller 4 to push the main functional device 1 to move upwards, and the like. Such adjustments may affect the stability of the movement of the main functional device 1 or the submerging and floating movement rate, but will not cause the main technical effect of the submerging and floating device to make the main functional device 1 move up and down in water to be lost.

[0084] The main functional device 1 includes a purification unit 12. The water in which the purification device is located needs to pass through the inside of the purification unit 12 to be purified. Figure 5For the appearance of the purification unit 12, in the embodiment, the purification unit 12 is set as a cylinder, and a plurality of densely distributed through holes 121 are opened on the wall surface of the cylinder, the through holes 121 communicate the water bodies inside and outside the purification unit 12 and allow the water bodies to pass through, and a water outlet 122 is further arranged at one end of the purification unit 12. In order to guide the flow direction of the water flow passing through the inside of the purification unit 12, an axial flow pump 123 is arranged at one end of the purification unit 12, as shown in Figure 6 the axial flow pump 123 is connected with the internal space of the purification unit 12 at one end and connected with the water outlet 122 at the other end, and the axial flow pump 123 can pump the water in the purification unit 12 to the water outlet 122, so that the overall flow direction of the water flow is: entering from the through holes 121 of the cylinder wall, being pumped to the axial flow pump 123 after passing through the inside of the purification unit 12, and finally flowing out from the water outlet 122. The plurality of through holes 121 arranged on the surface of the purification unit 12 can have a certain flow equalization effect on the water flow entering the purification unit 12, that is, the flow state of the water flow passing through the purification unit 12 is more uniform, so that the water bodies can be more fully and stably purified. The setting of the water flow direction makes the water inlet surface larger, so that the maximum hydraulic load that the purification unit 12 can withstand is larger. In addition, the cylinder wall of the purification unit 12 has a protective effect on the internal components.

[0085] However, the above-mentioned embodiments can be adjusted as needed, such as setting the shape of the purification unit 12 as other shapes, and adjusting the setting form of the water inlet and outlet to make the water bodies pass through the purification unit 12 smoothly; for example, the pumping direction of the axial flow pump 123 is set in the opposite direction, then the direction of the water flow is completely opposite to the embodiment, and such an embodiment can cause the problems of smaller water inlet surface, less uniform water flow state, and less sufficient purification effect of the water bodies, but such an embodiment will not cause the loss of the main technical effect of guiding and controlling the water flow passing through the inside of the purification unit 12.

[0086] In order to make the water bodies passing through the inside of the purification unit 12 be purified, in the embodiment, the working mode of the purification device includes an emergency water purification mode and an ecological construction mode, and the main functions in the two modes are realized by the medicine outlet pipe 125 and the lamp pipe 124 arranged in the purification unit 12. As shown in Figure 6As shown, the medicine outlet pipe 125 is in the shape of a hollow circular tube, which is arranged axially and transversely in the center of the purification unit 12, fixed by the bracket 126, and coaxial with the cylindrical purification unit 12. The space inside the pipe is in communication with the medicine storage box 35. The medicine outlet pipe 125 is used to receive the treatment agent output by the medicine storage box 35. The pipe wall is provided with a plurality of densely arranged small holes 1251. The small holes 1251 connect the hollow part inside the medicine outlet pipe 125 with the water outside the pipe, and can spray the treatment agent in the medicine outlet pipe 125 into the nearby water. In addition, the purification unit 12 is also provided with a lamp tube 124. The lamp tube 124 is used to irradiate light to the nearby water. The lamp tube 124 is also arranged axially and transversely in the purification unit 12, fixed by the bracket 126, and provided with a plurality of circumferential arrangements around the medicine outlet pipe 125, so that the light irradiation effect is more sufficient.

[0087] Among them, the working form of the medicine outlet pipe 125 and the lamp tube 124 can be switched according to the two working modes of the purification device:

[0088] When the purification device is in the emergency water purification mode, the treatment agent in the medicine outlet pipe 125 is hydrogen peroxide, chlorine dioxide solution or ozone. The small holes 1251 spray the treatment agent to disinfect and purify the nearby water. At the same time, the wavelength of the light of the lamp tube 124 is adjusted to the ultraviolet band of 100-400nm, so as to further disinfect the nearby water. The ultraviolet lamp is an environmentally friendly, non-secondary pollution and high-efficiency water purification and disinfection equipment. It can emit ultraviolet light with shorter wavelength (λ<400nm). Not only can it quickly denature proteins, thereby effectively killing almost all bacteria and pathogens in sewage, but also can produce direct photolysis effect on organic matter in water (reactions 1-4) when the wavelength is shorter and the dose is larger.

[0089] R + hν(λ < 185 nm)→ R * (1)

[0090] R * → ·R1 +·CH2CH3 (2)

[0091] ·R1 + hν(λ < 185 nm)→ ·I i (i = 1,2, …,n) (3)

[0092] ·I i + ·I i → P (4)

[0093] Related research shows that the combination of multiple oxidants and ultraviolet technology can further improve the disinfection and purification efficiency of sewage, and achieve a significant effect improvement that cannot be achieved by using a single oxidant or a single ultraviolet lamp. For example:

[0094] The reaction of ozone with organic compounds is selective and cannot completely decompose organic compounds into CO2 and H2O; if ozone and ultraviolet technology are combined, the oxidation rate and efficiency can be effectively improved. The principle of water purification and deodorization by ozone and ultraviolet combination is shown in reaction formulas 1-2, wherein O3 represents ozone, UV represents ultraviolet radiation, hv represents photolysis, O 1 D represents an excited state oxygen atom, ·OH represents a hydroxyl radical, and H2O2 represents hydrogen peroxide.

[0095] O3 + UV (or hν, λ < 310 nm) → O2 + O 1 D) (5)

[0096] O 1 D) + H2O → ·OH + ·OH → H2O2 (in water) (6)

[0097] O 1 D) + H2O → ·OH + ·OH (in humid air) (7)

[0098] For example, the combination of hydrogen peroxide and ultraviolet light catalysis technology also has a coupling strengthening effect:

[0099] H2O2 + UV (or hν, λ ≈ 200-280 nm) → ·OH + ·OH (8)

[0100] The reaction of chlorine dioxide and hydrogen peroxide can produce hypochlorous acid with strong oxidizing properties:

[0101] 2ClO2 + H2O2 → 2HClO2 + O2 (9)

[0102] For example, the combination of chlorine dioxide solution and ultraviolet light (R represents an organic reactant, and R * represents an organic reaction product):

[0103] R + ClO2 → R * + ClO2 - (10)

[0104] ClO2 - + hν (λ < 300 nm) → 2O 1 D) + Cl - (11)

[0105] In addition, in addition to strengthening the rain day pollution purification capacity of the river drainage outlet, the demand for river food chain construction and ecosystem restoration should not be ignored. Especially when the river drainage outlet outflow is extremely small on sunny days, or when the river drainage outlet outflow is better during continuous rainy days, it is a valuable opportunity to improve the ecological quality of surface water. Therefore, the purification device is also provided with an ecological construction mode.

[0106] When the purification device is in the ecological construction mode, the treatment agent delivered by the storage tank 35 is probiotic bacteria liquid or algal liquid, which is sprayed through the small hole 1251 to cultivate the bacteria liquid or algal liquid in the surrounding water body. At the same time, the wavelength of the light of the lamp tube 124 is adjusted to the visible light band of 400-760 nm to assist the growth of the bacteria liquid or algal liquid, and the growth characteristics of bacteria and algae are used to improve the water ecology. In recent years, the bacteria-algae symbiotic technology has been proved to have the ability of rapid proliferation. In the bacteria-algae symbiotic system, the synergistic interaction between probiotic bacteria and beneficial microalgae affects each other's physiological activities and metabolism. The most important interaction between algae and bacteria is exchange, including exchange of CO2 and O2, exchange of nutrients and exchange of trace nutrients. Algae, as primary producers, carry out photosynthesis to produce O2, and photosynthetic oxygen is used as the electron acceptor for bacterial aerobic respiration to provide metabolic activity for bacteria; CO2 produced by bacterial metabolism can be used as a carbon source for microalgae; bacterial metabolites such as inorganic nitrogen and phosphorus compounds are used as nutrients required for algal growth and metabolism, and photosynthetic organic matter produced by microalgae is partially excreted outside the cell in the form of dissolved carbon, which can also be used as a carbon source for bacteria. At the same time, a large number of studies have shown that microalgae obtain necessary growth promoting factors such as vitamins, biotin, thiamine and cobalamin through symbiotic relationship with bacteria. Therefore, the bacteria-algae symbiotic system has more vigorous growth and metabolic activity than single bacteria or single algae system, and can achieve high-speed "doubling" in suitable environment. Therefore, the rapid proliferation of probiotic bacteria and beneficial microalgae is beneficial to the construction of surface water food chain and the restoration of water ecological system balance in surface water.

[0107] The above-mentioned embodiments can further expand the function according to the work demand, for example, in order to enable the purification device to switch modes according to the water quality of the water body, a first monitoring probe can be added to the purification device to monitor the water quality and compare the monitored water quality with the preset condition, which is used as the switching basis of the working mode of the purification device: when the monitored water quality information shows that the water pollution degree of the surrounding water body is not less than the first preset value (COD≥50mg / L), the first monitoring probe can send a first signal to enable the working mode to switch to the emergency water purification mode; when the monitored water quality information shows that the water pollution degree of the surrounding water body is less than the first preset value (COD<50mg / L), the first monitoring probe can stop sending the first signal to enable the working mode to switch to the ecological construction mode.

[0108] To achieve automatic switching of the above-mentioned working modes, a central control device can be installed on the purification device to receive the first signal and control the working mode of the device.

[0109] For example, the function of the first detection probe can be further expanded to monitor and obtain quantitative values ​​of water quality to assess the degree of water quality. Its function is as follows:

[0110] For the treatment agent, a metering pump is installed in the storage tank 35 to measure and control the instantaneous flow rate of the treatment agent according to the water quality: when the working mode is in emergency water purification mode, the worse the water quality, the larger the instantaneous flow rate, and the better the water quality, the smaller the instantaneous flow rate; when the working mode is in ecological construction mode, the worse the water quality, the smaller the instantaneous flow rate, and the better the water quality, the larger the instantaneous flow rate.

[0111] For the lighting, a lamp tube 124 with adjustable light intensity and wavelength is selected, and the light intensity of the lamp tube 124 is adjusted according to the water quality: when the working mode is in emergency water purification mode, the worse the water quality, the smaller the wavelength and the greater the light intensity, and the better the water quality, the larger the wavelength and the smaller the light intensity; when the working mode is in ecological construction mode, the worse the water quality, the larger the wavelength and the smaller the light intensity, and the better the water quality, the smaller the wavelength and the greater the light intensity.

[0112] The above embodiments are all examples of the purification function of the purification unit 12. The embodiments of this embodiment can also be adjusted as needed. For example, other treatment agents can be sprayed into the surrounding water to adapt to the water quality characteristics of different water bodies, or the lamp tube 124 component can be removed. Such adjustments can enrich the purification form, but do not affect its main technical effect of purifying water.

[0113] like Figure 1 , Figure 2 As shown, in this embodiment, the main functional device 1 is equipped with multiple purification units 12. Some purification units 12 can be selectively activated according to the overall size of the purification device and processing requirements to adjust the purification efficiency. Furthermore, due to the large number and dense distribution of purification units 12, to ensure the stable ecological construction function of the bacterial or algal liquid within the purification units 12, a nano-aeration disc 13 is installed below the purification device. The air outlet surface of the nano-aeration disc 13 faces upwards, and multiple discs are arranged horizontally to generate sufficient bubbles. These bubbles can rise freely through the interior of the purification unit 12, supplying gas to the bacteria or algae and promoting their growth, accelerating purification efficiency, and further improving the purification effect. Simultaneously, the axis of the purification unit 12 is arranged laterally so that the through holes 121 on its cylinder wall can receive bubbles to the maximum extent. In this embodiment, the nano-aeration disc 13 can also be connected to an air compressor 34, which can provide a sufficient gas source for the nano-aeration disc 13.

[0114] The implementation can also be that other oxygen supply devices are selected, or only a single purification unit 12 is arranged, which may

[0115] As shown in Figure 1 , Figure 2 , the purification unit 12 in the embodiment also includes a floating body 3, which floats on the water surface and is connected with the main functional device 1 through a free expansion pipe. The floating body 3 is used for installing various auxiliary facilities and connecting the free expansion pipe below. Figure 3 The cross-sectional view of the floating body 3 and the nearby components of the self-trend submerged floating river inlet pollution purification device according to an embodiment of the application is shown in the figure. In the embodiment, the free expansion pipe is a corrugated hose 5. When the main functional device 1 is submerged or floated, the corrugated hose 5 freely expands in the vertical direction, so that the floating body 3 floats without being affected by the submerged or floated position of the main functional device 1. In addition, the internal space of the free expansion pipe is used for installing a pipeline 51 for transporting substances, and the pipe wall can protect the internal pipeline 51.

[0116] The implementation can also be that other functionally similar free expansion pipes, such as combined expansion sleeves, are selected, which can also achieve the same technical effects.

[0117] Since the purification device is provided with various power devices, the power supply facilities are also included in the auxiliary facilities on the floating body 3 in the embodiment, considering the power demand. Figures 1-3 As shown in the figure, the floating body 3 is arranged in a flat shape, and a water scooping edge 311 is arranged around the floating body 3 in the horizontal direction. The water scooping edge 311 and the floating body 3 are combined into a bowl shape with an opening upward, so as to collect rainwater in rainy days. Meanwhile, a flow channel 312 is arranged at the joint of the water scooping edge 311 and the floating body 3, Figure 4 The enlarged view of the flow channel 312 and the nearby components is shown in the figure. The flow channel 312 is in the form of a through hole 121, which communicates the inner and outer surfaces of the water scooping edge 311. The rainwater collected above the floating body 3 can flow out from the flow channel 312. A water wheel hydraulic generator 313 is arranged at the water outlet 122 of the flow channel 312, which receives the rainwater flowing out from the flow channel 312 to realize the function of hydraulic power generation.

[0118] In the embodiment, the auxiliary facilities also include a wind turbine 33, which is arranged on the floating body 3 and is used for realizing wind power generation by using the power of natural wind.

[0119] In this embodiment, the auxiliary facilities also include a solar photovoltaic panel 32. The panel surface of the solar photovoltaic panel 32 is arranged in a lotus shape, with its "petals" designed to receive natural sunlight for solar power generation. The panel surface can also mimic the opening and closing of flower petals. On sunny days or windless nights, the "petals" open and rotate towards the sunlight; on rainy days or windy days, the "petals" close, providing space for the wind turbine 33 or the floating body 3 to draw water. Furthermore, the "petals" have a fluorescent effect at night, giving the solar photovoltaic panel 32 both power generation and aesthetic functions.

[0120] The aforementioned auxiliary facilities for power supply can be selectively or simultaneously installed on the float 3, each utilizing different natural energy sources to generate electricity without affecting the others. These power supply facilities are electrically connected to other electrical devices via pipelines 51 to achieve the self-powering function of the purification device, eliminating the need for an external power source.

[0121] In order for the purification device to move horizontally in the water body and swim to different positions in the water body to carry out purification work, in this embodiment, propellers 4 are respectively arranged around the main functional device 1 in the horizontal direction. One or more propellers 4 can be selectively activated to propel the purification device to swim horizontally.

[0122] Considering the numerous devices connected to the main functional device 1, an outer casing 11 is provided for the main functional device 1 in this embodiment. The outer casing 11 is cubic in shape, with its outer surface used to connect the aforementioned airbag 2, corrugated hose 5, and propeller 4, etc., and its interior used to install the purification unit 12 and the nano-aeration disc 13. The outer casing 11 is made of corrosion-resistant material and mainly includes a filter screen 111 and a frame 112. The filter screen 111 structure allows water to freely enter and exit the main functional device 1 and can filter impurities to protect the internal purification unit 12 and nano-aeration disc 13. The frame 112 structure is used to reinforce the filter screen 111. The material and shape of the outer casing 11 can be adjusted as needed.

[0123] Furthermore, since the main functional device 1 of the purification device in this embodiment includes a filter screen 111 structure and the purification unit 12 includes a porous cylindrical wall structure, when working in the water body, impurities in the water body are easily blocked at the holes of the filter screen 111 and the cylindrical wall of the purification unit 12, causing obstruction of water entering and exiting the purification unit 12, which eventually affects the purification effect. Considering that the purification device needs to be manually cleaned and maintained due to the above situation, a second monitoring probe can be selectively added in the purification unit 12 and connected to the central control facility. The second monitoring probe is used to monitor the water flow rate into the purification unit 12 and to compare the monitored flow rate with the preset flow rate, and then issue a second signal based on the comparison result:

[0124] When the monitored flow rate is less than the preset flow rate, the second monitoring probe can send a second signal so that the central control facility can send a slag removal prompt to the maintenance personnel.

[0125] When the monitored flow is greater than the preset flow, the second monitoring probe can stop sending the second signal to make the central control facility stop sending the slagging prompt to the maintenance personnel.

[0126] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A self-propelled, submersible, river discharge outlet pollution purification device, characterized in that, It includes: The main functional unit has an internal purification unit for purifying the collected water. A buoyancy device includes an airbag connected to the main functional device. The airbag can achieve the buoyancy function of the main functional device by inflating and deflating the airbag. When the airbag is inflated, the buoyancy of the airbag increases and it floats upward, while the main functional device is supported and floated upward by the airbag; when the airbag is deflated, the buoyancy of the airbag decreases, the supporting force on the main functional device decreases and it sinks freely under the action of gravity. The main functional device includes several water quality monitoring probes distributed around it, which can monitor the degree of water pollution in the surrounding water and transmit the water quality information to the central control device. The main functional device also includes several flow velocity monitoring probes distributed around it, which can monitor the flow direction and velocity of the surrounding water flow and transmit the flow velocity information to the central control device. The central control device can comprehensively analyze the water quality and flow velocity information through machine learning algorithms, predict the location of pollution outlets in the river, and drive the main functional device to operate near the river outlet. The main functional device has two operating modes: emergency water purification mode and ecological construction mode. When the water quality information shows that the pollution level of the surrounding water body is not less than the first preset value, the central control device adjusts the purification mode to "emergency water purification mode" and controls the treatment agent sprayed by the main functional device to be hydrogen peroxide, chlorine dioxide solution or ozone to disinfect and purify the surrounding water body; at the same time, the wavelength of the lamp irradiation light of the central control device is adjusted to the ultraviolet band to further disinfect the nearby water body and generate active free radicals under the action of ultraviolet light. When the water quality information shows that the pollution level of the surrounding water body is less than the first preset value, the central control device adjusts the purification mode to "ecological construction mode" and controls the treatment agent sprayed by the main functional device to be probiotic liquid or algae liquid, so as to spread and reproduce bacteria or algae in the nearby water body; at the same time, the light wavelength of the lamp tube is adjusted to the visible light band to assist the growth of the bacterial liquid or algae liquid, and the growth characteristics of bacteria and algae are used to improve the aquatic ecology.

2. The self-propelled submersible pollution purification device for river outfalls as described in claim 1, characterized in that, The airbag is ring-shaped and horizontally arranged around the bottom of the main functional device.

3. The self-propelled submersible pollution purification device for river outfalls as described in claim 1, characterized in that, The purification device includes a float that floats on the water surface and is used to install auxiliary facilities; The purification device also includes a free telescopic tube, which is connected between the float and the main functional device. The telescopic length of the free telescopic tube is adapted to the change in the vertical position of the main functional device. The interior of the free-expanding tube is used to install pipelines that connect the auxiliary facilities and the main functional device and are used to transport substances.

4. The self-propelled submersible pollution purification device for river outfalls as described in claim 3, characterized in that, The auxiliary facility includes an air compressor connected to the airbag. The air compressor is used to supply or extract gas to the airbag, enabling the airbag to inflate and deflate.

5. The self-propelled submersible pollution purification device for river outfalls as described in claim 3, characterized in that, The purification device includes a nano-aeration disc, which is located below the purification unit. The air outlet surface of the nano-aeration disc faces upward, and multiple nano-aeration discs are arranged in the horizontal direction. The nano-aeration disc is used to generate nano-bubbles. The auxiliary facility includes an air compressor connected to the nano-aeration disc, which is used to supply gas to the nano-aeration disc.

6. The self-propelled submersible pollution purification device for river outfalls as described in claim 1, characterized in that, The purification unit is cylindrical and has multiple units. The axis of the purification unit is arranged laterally inside the main functional device. Multiple through holes are opened on the wall of the purification unit, which connect the water inside and outside the purification unit and allow water to pass through. The purification unit has an axial flow pump and a water outlet at one end of its axial direction. The axial flow pump is used to pump water from the purification unit to the water outlet, and the water outlet is located at the end of the axial flow pump that is away from the purification unit.

7. The self-propelled submersible pollution purification device for river discharge outlets as described in claim 3, characterized in that, The float is flat, and its plane is parallel to the water surface; The float includes a water-absorbing edge that surrounds the horizontal direction of the float and together with the float forms an upward-opening bowl shape, the water-absorbing edge being used to collect rainwater on the surface of the float; The float includes a channel, which is a through hole and is disposed at the junction of the water-absorbing edge and the float, and connects the inner and outer surfaces of the water-absorbing edge. The channel is used to allow rainwater collected by the water-absorbing edge to flow out from the channel. The auxiliary facility includes an impeller-driven hydraulic generator, which is disposed on the outer surface of the water intake edge and at the outlet of the flow channel.

8. The self-propelled submersible pollution purification device for river outfalls as described in claim 1, characterized in that, The purification device includes a propulsion device, which is connected to the main functional device and is used to adjust the horizontal position of the main functional device in the water. The propulsion device includes four thrusters that are horizontally and evenly distributed around the main functional device. The thrusters can be activated simultaneously, or only one of them can be activated at the same time. The outer casing of the purification device includes a filter screen with a perforated structure that allows water to pass through freely. The outer casing also includes a frame for reinforcing the filter screen.

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