In-situ lake phosphorus removal equipment

Abstract

The utility model belongs to the technical field of sewage treatment, and discloses in-situ lake dephosphorization equipment which comprises a movable floating platform, the movable floating platform floats on the lake surface, a waterproof box body is fixedly installed in the center of the top of the movable floating platform, and solar panels are laid on the top of the movable floating platform except the position covered by the waterproof box body. A plurality of dephosphorization function structures are arranged and integrated in one device, the problem of high cost caused by engineering of traditional treatment engineering facilities is solved, the problem of total phosphorus pollution in lake water is solved in a targeted mode, and the comprehensive dephosphorization device has the advantages that the comprehensive dephosphorization function structures are arranged and integrated in one device. And the equipment is low in operation cost, floats on the lake surface, is convenient to move through solar power supply, is energy-saving and environment-friendly, and is wide in application scene.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an in-situ lake phosphorus removal device. Background Art

[0002] China is a country with numerous lakes. Due to the rapid economic development, a large amount of sewage is discharged into the lakes, resulting in the decline of lake water quality and a moderately eutrophic level. Among them, total phosphorus is one of the main factors of lake pollution. According to the "Surface Water Environment Quality Standard" (GB 3838-2002), the requirements for total phosphorus in lake and reservoir water bodies are much higher than those of other natural water bodies. Therefore, the removal of total phosphorus in lakes is a major problem in lake ecological protection.

[0003] The existing phosphorus removal technologies are mainly divided into two categories: First, ecological restoration measures: a large number of aquatic plants are planted in the lake. The aquatic plants absorb the total phosphorus in the water body, and then the total phosphorus is separated from the water body through plant harvesting; Second, emergency treatment measures: phosphorus removal agents are directly added to the water body, and the agents combine with phosphorus elements to form phosphate precipitates or complexes, which sink to the bottom, thereby separating the total phosphorus from the water body. Both of these two types of technologies are used to repair water quality through engineering means. The engineering cycle of aquatic plants is long, the efficiency is low, and the emergency treatment ability for polluted lakes is weak; adding agents will have an impact on the water body ecosystem and can only be used for emergencies.

[0004] Currently, the most common lake phosphorus removal equipment on the market is mainly shore-based equipment. The water body is pumped to an integrated equipment on the shore for treatment and then discharged back into the lake. Such equipment has a high operating cost, is not convenient to move, and has few usage scenarios. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an in-situ lake phosphorus removal device, aiming to solve the above technical problems existing in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An in-situ lake phosphorus removal device, comprising a mobile floating platform which floats on the lake surface. A waterproof box body is fixedly installed at the center of the top of the mobile floating platform. Solar panels are laid on the top of the mobile floating platform at all positions except the position covered by the waterproof box. An integrated phosphorus removal device, a diversion pipe, an automatic control component and a battery component are arranged inside the waterproof box body. A water pump is fixedly installed at the bottom of the mobile floating platform. The water outlet end of the water pump is communicated with the bottom end of the diversion pipe. An inlet is arranged at the top of one side of the integrated phosphorus removal device, and an outlet is arranged at the bottom of one side thereof. The top end of the diversion pipe is communicated with the inlet, and the outlet extends below the lake surface. The integrated phosphorus removal device is composed of an electrolytic phosphorus removal structure, a rapid filtration structure and a packing phosphorus removal structure which are arranged in sequence from top to bottom. The water pump pumps lake water into the integrated phosphorus removal device for phosphorus removal and then discharges it into the lake.

[0008] In a preferred embodiment of the present utility model, the water pump is embedded inside the mobile floating platform, and the water inlet end of the water pump is below the lake surface.

[0009] In a preferred embodiment of the present utility model, the electrolytic phosphorus removal structure includes an electrolytic reactor, and the electrolytic reactor and the automatic control component are both electrically connected to the battery component through wires.

[0010] In a preferred embodiment of the present utility model, the positive and negative electrodes of the electrolytic reactor are an iron electrode and a carbon electrode respectively. The iron electrode and the carbon electrode are both detachable structures, and the iron electrode and the carbon electrode are arranged side by side at the upper part of the integrated phosphorus removal device.

[0011] In a preferred embodiment of the present utility model, the rapid filtration structure includes a double-layer microporous filter screen which is obliquely placed in the middle of the integrated phosphorus removal device, and a filter residue collection tank is arranged at the end of the double-layer microporous filter screen.

[0012] In a preferred embodiment of the present utility model, the packing phosphorus removal structure includes a drawer-type packing mesh box which is arranged at the bottom of the integrated phosphorus removal device, and phosphorus removal packing is filled inside the drawer-type packing mesh box.

[0013] The beneficial effects of the present utility model are:

[0014] By integrating multiple phosphorus removal functional structures into one device, the present utility model avoids the high cost problem brought by the engineering of traditional treatment engineering facilities, specifically solves the problem of total phosphorus pollution in lake water bodies, and the operation cost of this device is low. It floats on the lake surface and is powered by solar energy, which is convenient for moving positions, energy-saving and environment-friendly, and has a wide range of usage scenarios. Description of the Drawings

[0015] Figure 1Schematic diagram of the front view with full section of the present utility model;

[0016] Figure 2 Schematic diagram of the top view of the present utility model;

[0017] Figure 3 Schematic diagram of the internal structure of the top view of the present utility model;

[0018] Figure 4 Flow chart of the operation of the present utility model.

[0019] Reference numerals in the drawings; wherein, 1, movable floating platform; 2, solar panel; 3, waterproof box body; 4, comprehensive phosphorus removal device; 5, water inlet; 6, water pump; 7, automatic control component; 8, battery component; 9, water outlet; 10, electrolytic reactor; 11, double-layer microporous filter screen; 12, filter residue collection tank; 13, phosphorus removal filler; 14, drawer-type filler mesh box; 15, diversion pipe. Specific implementation mode

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the present utility model in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. It should be noted here that the description of these embodiments is used to help understand the present utility model, but does not constitute a limitation to the present utility model.

[0021] Embodiment:

[0022] As Figures 1-4 shown, this embodiment provides an in-situ lake phosphorus removal device, including a movable floating platform 1, the movable floating platform 1 floats on the lake surface, a waterproof box body 3 is fixedly installed in the center of the top of the movable floating platform 1, solar panels 2 are laid on the top of the movable floating platform 1 except for the position covered by the waterproof box, a comprehensive phosphorus removal device 4, a diversion pipe 15, an automatic control component 7 and a battery component 8 are arranged inside the waterproof box body 3, a water pump 6 is fixedly installed at the bottom of the movable floating platform 1, the water outlet end of the water pump 6 is communicated with the bottom end of the diversion pipe 15, a water inlet 5 is arranged at the top of one side of the comprehensive phosphorus removal device 4, a water outlet 9 is arranged at the bottom of one side thereof, the top end of the diversion pipe 15 is communicated with the water inlet 5, the water outlet 9 extends below the lake surface, the comprehensive phosphorus removal device 4 is composed of an electrolytic phosphorus removal structure, a rapid filtration structure and a filler phosphorus removal structure arranged in sequence from top to bottom, and the water pump 6 pumps lake water into the comprehensive phosphorus removal device 4 for phosphorus removal and then discharges it into the lake.

[0023] In a preferred embodiment of the present utility model, further, the water pump 6 is embedded inside the movable floating platform 1, and the water inlet end of the water pump 6 is below the lake surface.

[0024] Specifically, through the three functional structures provided by the integrated phosphorus removal device 4, namely the electrolytic phosphorus removal structure, the rapid filtration structure, and the packing phosphorus removal structure, after the lake water is pumped into the integrated phosphorus removal device 4 by the water pump 6, it first undergoes the first-step phosphorus removal through the electrolytic phosphorus removal structure. The precipitates generated by phosphorus removal and the suspended substances in the water body are filtered and separated through the rapid filtration structure to avoid clogging the subsequent packing phosphorus removal structure. After the filtered water body undergoes the second-step phosphorus removal through the packing phosphorus removal structure, it is discharged into the lake.

[0025] By integrating multiple phosphorus removal functional structures into one device, it avoids the high-cost problem brought by the engineering of traditional treatment engineering facilities, specifically solves the problem of total phosphorus pollution in lake water bodies, and this device has low operating costs, floats on the lake surface and is powered by solar energy, facilitating the movement of its position, being energy-saving and environmentally friendly, and having a wide range of usage scenarios.

[0026] In a preferred embodiment of the present utility model, further, the electrolytic phosphorus removal structure includes an electrolytic reactor 10, and both the electrolytic reactor 10 and the automatic control component 7 are electrically connected to the battery component 8 through wires.

[0027] In a preferred embodiment of the present utility model, further, the positive and negative electrodes of the electrolytic reactor 10 are respectively an iron electrode and a carbon electrode. Both the iron electrode and the carbon electrode are detachable structures, and the iron electrode and the carbon electrode are arranged side by side at the upper part of the integrated phosphorus removal device 4. Specifically, the anode of the electrolytic reactor 10 is iron, and the cathode is carbon. Under the action of direct current, the released Fe 2+ , under the action of oxygen in the water body, Fe 2+ is oxidized to Fe 3+ , Fe 2+ and Fe 3+ react with phosphorus existing in the form of phosphate radicals to form insoluble iron salts, which sink to the bottom of the water, thereby removing phosphorus in the water body.

[0028] In a preferred embodiment of the present utility model, further, the rapid filtration structure includes a double-layer microporous filter screen 11. The double-layer microporous filter screen 11 is inclined and placed in the middle of the integrated phosphorus removal device 4. A filter residue collection tank 12 is provided at the end of the double-layer microporous filter screen 11. Specifically, after the water body passes through the electrolytic phosphorus removal structure, it flows through the double-layer microporous filter screen 11. The double-layer microporous filter screen 11 intercepts the iron salt precipitates and suspended substances in the water body. Under the action of water power, the deposited sediment substances are intercepted and slide into the filter residue collection tank 12, and are regularly cleaned manually.

[0029] In a preferred embodiment of the present utility model, further, the phosphorus removal structure with packing includes a drawer-type packing mesh box 14, which is arranged at the bottom of the comprehensive phosphorus removal device 4. The inside of the drawer-type packing mesh box 14 is filled with phosphorus removal packing 13. Specifically, the phosphorus removal packing 13 is placed in the drawer-type packing mesh box 14, and the drawer-type packing mesh box 14 can be conveniently pulled out to replace the packing. After the lake water is filtered by the rapid filtration structure, it directly enters the inside of the phosphorus removal packing 13. Through the adsorption, reaction and other effects of the packing, the phosphorus in the water body is removed. After the packing is saturated with adsorption, it needs to be replaced in time.

[0030] Finally, it should be noted that the above are only preferred embodiments of the present utility model and are not used to limit the protection scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An in-situ lake phosphorus removal device, characterized in that: The invention comprises a mobile floating platform (1), wherein the mobile floating platform (1) floats on the lake surface, a waterproof box (3) is fixedly installed at the center of the top of the mobile floating platform (1), and solar panels (2) are laid at other positions on the top of the mobile floating platform (1) except for the position covered by the waterproof box. A comprehensive phosphorus removal device (4), a guide pipe (15), an automatic control component (7) and a battery component (8) are arranged inside the waterproof box (3), and a water pump (6) is fixedly installed at the bottom of the mobile floating platform (1), and the water outlet end of the water pump (6) is connected to the water outlet end of the water pump (6). The bottom end of the guide pipe (15) is connected to the top of one side of the comprehensive phosphorus removal device (4), and a water inlet (5) is arranged on the top of one side of the comprehensive phosphorus removal device (4), and a water outlet (9) is arranged on the bottom of one side of the comprehensive phosphorus removal device (4). The top end of the guide pipe (15) is connected to the water inlet (5), and the water outlet (9) extends below the lake surface. The comprehensive phosphorus removal device (4) is composed of an electrolytic phosphorus removal structure, a rapid filtration structure and a filler phosphorus removal structure arranged in sequence from top to bottom. The pump (6) pumps lake water into the comprehensive phosphorus removal device (4) to remove phosphorus and then discharge it into the lake.

2. The in-situ lake dephosphorization equipment according to claim 1, characterized in that: The water pump (6) is embedded in the movable floating platform (1), and the water inlet end of the water pump (6) is below the lake surface.

3. The in-situ lake phosphorus removal equipment according to claim 1, characterized in that: The electrolytic dephosphorization structure comprises an electrolytic reactor (10), and the electrolytic reactor (10) and the automatic control component (7) are electrically connected to the battery component (8) via electric wires.

4. The in-situ lake phosphorus removal equipment according to claim 3, characterized in that: The positive and negative electrodes of the electrolytic reactor (10) are an iron electrode and a carbon electrode respectively, and both the iron electrode and the carbon electrode are detachable structures. The iron electrode and the carbon electrode are arranged side by side on the upper part of the comprehensive dephosphorization device (4).

5. The in-situ lake phosphorus removal equipment according to claim 1, characterized in that: The rapid filtration structure comprises a double-layer microporous filter (11), the double-layer microporous filter (11) is placed obliquely in the middle of the comprehensive phosphorus removal device (4), and a filter residue collection tank (12) is provided at the end of the double-layer microporous filter (11).

6. The in-situ lake phosphorus removal equipment according to claim 1, characterized in that: The filler dephosphorization structure comprises a drawer-type filler net box (14), wherein the drawer-type filler net box (14) is arranged at the bottom of the comprehensive dephosphorization device (4), and the interior of the drawer-type filler net box (14) is filled with dephosphorization filler (13).

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