Algae bloom capture and concentration device

Abstract

The present application discloses an algae bloom capture and concentration device, including a diversion port, a pressure difference diversion system and an algae slurry collection tank, wherein the diversion port is used for allowing algae-containing water to flow in; the pressure difference diversion system is connected to the diversion port so that the algae-containing water flows into the pressure difference diversion system, a filter is provided in the pressure difference diversion system, a gap is provided between the filter and the inner wall of the pressure difference diversion system, so that when the filter is blocked, a pressure difference is formed by the water flow in the gap to backwash the filter and concentrate the algae in the filter; an opening is provided at the bottom of the pressure difference diversion system, and the algae slurry collection tank is connected to the opening through a pipeline for collecting and temporarily storing algae slurry; the present application has little impact on the ecological environment and high efficiency during the algae bloom capture process, so as to solve the problem of low efficiency in existing bloom control technologies.

Description

Technical Field

[0001] The present application relates to the technical field of eutrophic water environment management, and in particular to an algae bloom capture and concentration device. Background Art

[0002] Algal bloom is a direct manifestation of eutrophication of water bodies. Adequate nutrition allows phytoplankton in water bodies to grow and reproduce rapidly under suitable environmental conditions and form algal blooms that accumulate on the water surface. Algal blooms not only affect the landscape and damage the health of the ecosystem, but also have an adverse impact on water safety. Due to various reasons, for most eutrophic water bodies, algal blooms are difficult to be cured in the short term, and algal blooms will still be a water ecological environment problem that must be faced for a long time in the future. Therefore, emergency disposal of algal blooms has become increasingly normalized, and there is an increasingly urgent technical demand. Summary of the invention

[0003] The embodiment of the present application provides an algae bloom capture and concentration device, which has little impact on the ecological environment and high efficiency during the algae bloom capture process, so as to solve the problem of low efficiency in the existing algae bloom control technology. The technical solution is as follows:

[0004] The present application provides an algae bloom capture and concentration device, including a diversion port, a pressure difference diversion system and an algae slurry collection tank, wherein the diversion port is used for allowing algae-containing water to flow in; the pressure difference diversion system is connected to the diversion port so that the algae-containing water flows into the pressure difference diversion system, a filter is provided in the pressure difference diversion system, and a gap is provided between the filter and the inner wall of the pressure difference diversion system, so that when the filter is blocked, a pressure difference is formed by the water flow in the gap to backwash the filter and concentrate the algae in the filter; an opening is provided at the bottom of the pressure difference diversion system, and the algae slurry collection tank is connected to the opening through a pipeline for collecting and temporarily storing algae slurry.

[0005] For example, in an algae bloom capture and concentration device provided in one embodiment, a support body connected to the filter screen is provided in the filter screen to support the filter screen and maintain a gap between the filter screen and the inner wall of the pressure difference diversion system.

[0006] For example, in an algae bloom capture and concentration device provided in one embodiment, the support body has the same shape as the pressure differential diversion system and the size of the support body is smaller than the size of the pressure differential diversion system, so that the support body is sleeved in the pressure differential diversion system and a constant gap is maintained between the filter screen and the inner wall of the pressure differential diversion system.

[0007] For example, in an algae bloom capture and concentration device provided in one embodiment, balance wings are symmetrically provided on the edge of the diversion port to provide buoyancy and control the draft of the diversion port, and fasteners for connecting to a tugboat are provided on the balance wings.

[0008] For example, in an algae bloom capture and concentration device provided in one embodiment, a collecting bottle is provided at the opening at the bottom of the pressure difference diversion system, and the collecting bottle is connected to the filter screen for collecting concentrated algae slurry.

[0009] For example, in an algae bloom capture and concentration device provided in one embodiment, a valve is provided at the bottom of the collecting bottle, and the algae slurry collection tank is connected to the valve through a pipeline.

[0010] For example, in an algae bloom capture and concentration device provided in one embodiment, a pumping system is provided on the pipeline connecting the algae slurry collection tank and the valve, and the algae slurry in the collection bottle is pumped into the algae slurry collection tank for storage through the pumping system.

[0011] For example, in an algae bloom capture and concentration device provided in one embodiment, the pumping system includes a conduit and a metering pump arranged on the conduit, one end of the conduit is connected to the valve, and the other end of the conduit is connected to the algae slurry collection tank.

[0012] For example, in an algae bloom capture and concentration device provided in one embodiment, the support body includes a plurality of support bars, and the plurality of support bars form a support frame to fix the filter screen in the pressure difference diversion system.

[0013] For example, in an algae bloom capture and concentration device provided in one embodiment, the cross-sectional area of ​​the pressure difference diversion system gradually decreases along the direction from the diversion port to the bottom of the pressure difference diversion system.

[0014] The beneficial effects brought about by an algae bloom capture and concentration device provided by some embodiments of the present application are as follows: the algae bloom capture and concentration device of the present application can be towed by a hull on the surface of an algae-rich water body, and the algae-containing water body enters the pressure difference diversion system through the diversion port, and the algae is captured, enriched and concentrated by filtering through the filter screen in the pressure difference diversion system. The gap between the pressure difference diversion system and the filter screen is utilized to form a water flow to flush the filter screen from the outside to avoid clogging of the filter screen, thereby continuously discharging concentrated algae slurry into the algae slurry collection tank, thereby being able to continuously capture algae in the water body.

[0015] This application is applicable to the management of algal blooms in lakes, reservoirs and other water bodies. By connecting to the side of the towing boat through a towing rope and sailing in the water body, the algal blooms on the surface of the water body can be quickly removed. This community has a simple structure and a clever design. It uses the flushing effect of the water flow on the filter to prevent it from being blocked, so that it can run continuously for a long time; the device size, filter aperture, etc. of this application can be adjusted according to actual needs, which is flexible and diverse; this application has no other energy-consuming parts except the boat and the pumping system, and has low operating costs, simple structure, convenient operation, strong compatibility, economical and efficient, and does not pollute the water body, and has good application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the algae bloom capture and concentration device of the present application;

[0018] Figure 2 It is a side view of the algae bloom capture and concentration device of the present application. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood by people with ordinary skills in the field to which the present disclosure belongs. The "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] The present application provides an algae bloom capture and concentration device, such as Figure 1-2 As shown, it includes a diversion port 1, a pressure difference diversion system 5 and an algae slurry collecting tank 9, the diversion port 1 is used for allowing algae-containing water to flow in; the pressure difference diversion system 5 is connected to the diversion port 1 so that the algae-containing water can flow into the pressure difference diversion system 5, a filter screen 3 is provided in the pressure difference diversion system 5, and a gap is provided between the filter screen 3 and the inner wall of the pressure difference diversion system 5, so that when the filter screen 3 is blocked, a pressure difference is formed by the water flow in the gap to backwash the filter screen 3 and concentrate the algae in the filter screen 3; an opening is provided at the bottom of the pressure difference diversion system 5, and the algae slurry collecting tank 9 is connected to the opening through a pipeline for collecting and temporarily storing algae slurry. According to the above embodiments, the algae bloom capture and concentration device of the present application can be towed by the hull on the surface of the algae-rich water body, and the algae-containing water body enters the pressure difference diversion system 5 through the diversion port 1, and the algae are captured and enriched and concentrated by filtering the filter 3 in the pressure difference diversion system 5. The gap between the pressure difference diversion system 5 and the filter 3 is used to form a water flow to flush the filter 3 from the outside of the filter 3 to avoid clogging of the filter, thereby continuously discharging concentrated algae slurry into the algae slurry collection tank 9, so as to continuously capture algae in the water body. The present application has a simple structure, convenient operation, strong compatibility, economical and efficient, and does not pollute the water body, and has a good application prospect.

[0022] Among them, the filter 3 can adopt different pore sizes (50-1000μm), which can be selected according to the size of different algae blooms, and the material includes but is not limited to nylon and steel wire; the diversion port 1 is welded with high-strength stainless steel, and the specific size can be adjusted according to actual conditions. The material of the diversion port 1 includes but is not limited to stainless steel and plastic; the algae slurry collection tank 9 is a plastic container, and the volume is selected according to needs and on-site conditions.

[0023] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1-2 As shown, a support body 4 connected to the filter 3 is provided in the filter 3 to support the filter 3 and maintain a gap between the filter 3 and the inner wall of the pressure difference guide system 5. According to the above embodiment, by providing the support body 4 in the filter 3, the support body 4 provides support for the filter 3, so that the filter 3 maintains its shape. When a certain amount of algae-containing water passes through the filter 3, the mesh of the filter 3 will be blocked, making it difficult for the water to pass through. At this time, more water flows into the pressure difference guide system 5 outside the filter 3, and a pressure difference is formed by the water flow between the filter 3 and the pressure difference guide system 5, thereby forming a water flow impact on the filter 3 from the outside and flushing out the algae particles blocking the filter 3, restoring its filtering capacity, thereby playing a backwashing role on the filter, concentrating the algae, and ensuring that the device can operate continuously.

[0024] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1-2 As shown, the support body 4 has the same shape as the pressure differential guide system 5 and the size of the support body 4 is smaller than the size of the pressure differential guide system 5, so that the support body 4 is sleeved in the pressure differential guide system 5 and a constant gap is maintained between the filter screen 3 and the inner wall of the pressure differential guide system 5.

[0025] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1-2 As shown, the support body 4 includes a plurality of support bars, and the plurality of support bars form a support frame to fix the filter screen 3 in the pressure difference guide system 5 .

[0026] The support bars are woven from hard steel wires, and have different sizes and materials. The number and size of the support bars are selected according to the size of the guide port 1 and the size of the filter screen 3. The material of the support bars includes but is not limited to stainless steel, aluminum alloy, and the like.

[0027] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1-2 As shown, the edge of the guide port 1 is symmetrically provided with balance wings 2 to provide buoyancy and control the draft of the guide port 1, and fasteners for connecting with a tugboat through a towing rope are provided on the balance wings 2. According to the above embodiment, by symmetrically providing balance wings 2 on the edge of the guide port 1, buoyancy is provided for the algae bloom capture and concentration device and stability is maintained, thereby improving the stability of the device during towing by the hull.

[0028] The balance wing 2 is a rectangular floating plate. The balance wing 2 can be designed in different sizes according to the size of the diversion port 1. The material includes but is not limited to stainless steel and plastic plate. The balance wing 2 can be welded on both sides of the diversion port to provide sufficient buoyancy for the device. Furthermore, polystyrene foam plastic can be tied under the balance wing 2 to provide buoyancy.

[0029] Specifically, the guide port 1, the balance wing 2 and the pressure difference guide system 5 in the present application can be welded from 1mm thick 304 stainless steel, and the guide port opening size is 40cm×120cm. The bottom opening size of the pressure difference guide system 5 is 10cm×20cm, and the filter 3 is made of 304 stainless steel with a pore size of 100μm. The support body is spliced ​​from 1mm thick and 10mm wide 304 stainless steel strips and connected to the filter 3 by welding.

[0030] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1-2 As shown, a collecting bottle 6 is provided at the opening at the bottom of the pressure difference diversion system 5 , and the collecting bottle 6 is connected to the filter screen 3 for collecting the concentrated algae slurry.

[0031] Specifically, the end of the filter screen 3 is connected to the collecting bottle 6 through a screw thread or a sealing ring. The collecting bottle 6 is cylindrical, and the volume and material can be selected according to needs, such as a collecting bottle with a volume of 1.5L made of high-density polyethylene.

[0032] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1-2 As shown, a valve 7 is provided at the bottom of the collecting bottle 6, and the algae slurry collecting tank 9 is connected to the valve 7 through a pipeline.

[0033] Among them, a conduit equipped with a ball valve is connected to the bottom opening of the collecting bottle 6 and is connected to the algae slurry collecting tank 9 through a pressure-resistant hose. The valve 7 can be opened and closed manually.

[0034] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1 As shown, a pumping system 8 is provided on the pipeline connecting the algae slurry collecting tank 9 and the valve 7, and the algae slurry in the collecting bottle 6 is pumped into the algae slurry collecting tank 9 for storage through the pumping system 8.

[0035] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1 As shown, the pumping system 8 includes a conduit 81 and a metering pump 82 arranged on the conduit, one end of the conduit 81 is connected to the valve 7, and the other end of the conduit 81 is connected to the algae slurry collection tank 9.

[0036] Among them, the algae slurry collection tank 9 is provided with a valve at the upper end thereof connected to the conduit 81 of the pumping system 8, and a valve is provided at the lower end thereof for the algae slurry to be discharged. According to the above embodiment, after the collection bottle 6 is filled, the valve 7 is opened, and the algae slurry in the collection bottle 6 is pumped into the algae slurry collection tank 9 for storage through the pumping system 8. The algae slurry collection tank 9 is usually placed on a ship, and its volume and shape can be selected and determined according to actual conditions and on-site conditions. After the algae slurry collection tank 9 is filled, it is transported ashore for subsequent disposal, and the subsequent disposal includes but is not limited to dehydration and landfill, composting, and discharge into the municipal pipe network.

[0037] For example, in an algae bloom capture and concentration device provided in one embodiment, Figure 1-2 As shown, the cross-sectional area of ​​the pressure difference guide system 5 gradually decreases along the direction from the guide port 1 to the bottom of the pressure difference guide system 5 .

[0038] Specifically, the pressure difference guide system 5 is a three-dimensional trapezoid, and its four sides are welded by stainless steel. The upper opening end of the pressure difference guide system 5 is consistent in size with the guide port 1 and is spliced ​​therewith.

[0039] When the algae bloom capture and concentration device of the present application is used specifically: the device is connected to the side of the hull, and the hull drags the device through the towing rope to travel at a constant speed in the water body where the algae bloom breaks out, and the speed does not exceed 2 knots. The balance wing 2 provides buoyancy for the device and improves the stability of the device during towing. The algae-containing water body enters the pressure difference diversion system 5 through the diversion port 1. Most of the water entering the diversion port 1 enters the filter 3, and the algae aggregates are intercepted by the filter 3. The water flows out through the filter 3, and the algae bloom in the filter 3 is flushed into the collection bottle 6. The support body 4 provides support for the filter 3 so that the filter 3 maintains its shape. When a certain amount of algae-containing water passes through the filter 3, the mesh of the filter 3 will be blocked, making it difficult for the water flow to pass. At this time, more water flows into the pressure difference diversion system 5 outside the filter 3, thereby forming a water flow impact on the filter 3 from the outside and flushing out the algae particles that block the filter 3, restoring its filtering capacity. The algae slurry filtered and concentrated by the filter 3 enters the collection bottle 6 at the bottom of the pressure difference diversion system 5. When the collection bottle 6 is full, the valve 7 is opened and the algae slurry collection tank 9 is pumped through the pumping system 8, so as to ensure that the device can continuously capture and collect algae blooms in the water body, thereby achieving the purpose of controlling the blooms. The algae slurry collection tank 9 is placed on the ship and transported to the shore for disposal after being filled. The algae slurry can be pumped away through the valve at the bottom of the algae slurry collection tank 9.

[0040] Although the implementation scheme of the present application has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes, and it can be fully applicable to various fields suitable for the present application. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present application is not limited to the specific details and the illustrations shown and described herein.

Claims

1. An algae bloom capture and concentration device, It is characterized in that include: A diversion port for the inflow of algae-containing water; a pressure differential diversion system connected to the diversion port so that the algae-containing water body flows into the pressure differential diversion system, a filter screen is provided in the pressure differential diversion system, a gap is provided between the filter screen and the inner wall of the pressure differential diversion system, so that when the filter screen is blocked, a pressure difference is formed by the water flow in the gap to backwash the filter screen and concentrate the algae in the filter screen, a support body connected to the filter screen is provided in the filter screen to support the filter screen and maintain a gap between the filter screen and the inner wall of the pressure differential diversion system, and the cross-sectional area of ​​the pressure differential diversion system decreases in sequence along the direction from the diversion port to the bottom of the pressure differential diversion system; and An algae slurry collecting tank is provided with an opening at the bottom of the pressure difference diversion system. The algae slurry collecting tank is connected to the opening through a pipeline and is used for collecting and temporarily storing the algae slurry.

2. The algae bloom capture and concentration device according to claim 1, It is characterized in that The support body has the same shape as the pressure differential guide system and its size is smaller than that of the pressure differential guide system, so that the support body is sleeved in the pressure differential guide system and a constant gap is maintained between the filter screen and the inner wall of the pressure differential guide system.

3. The algae bloom capture and concentration device according to claim 1, It is characterized in that Balance wings are symmetrically arranged on the edge of the guide port to provide buoyancy and control the draft of the guide port, and fasteners for connecting with a tugboat are arranged on the balance wings.

4. The algae bloom capture and concentration device according to claim 1, It is characterized in that A collecting bottle is provided at the opening at the bottom of the pressure difference diversion system, and the collecting bottle is connected to the filter screen for collecting the concentrated algae slurry.

5. The algae bloom capture and concentration device according to claim 4, It is characterized in that A valve is provided at the bottom of the collecting bottle, and the algae slurry collecting tank is connected to the valve through a pipeline.

6. The algae bloom capture and concentration device according to claim 5, It is characterized in that A pumping system is provided on the pipeline connecting the algae slurry collecting tank and the valve, and the algae slurry in the collecting bottle is pumped into the algae slurry collecting tank for storage through the pumping system.

7. The algae bloom capture and concentration device according to claim 6, It is characterized in that The pumping system includes a conduit and a metering pump arranged on the conduit, one end of the conduit is connected to the valve, and the other end of the conduit is connected to the algae slurry collection tank.

8. The algae bloom capture and concentration device according to claim 1, It is characterized in that The support body includes a plurality of support bars, and the plurality of support bars form a support frame to fix the filter screen in the pressure difference diversion system.

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