Lake nitrogen and phosphorus removal and water quality purification device based on composite wetland

Abstract

The invention relates to the technical field of lake water quality purification, and discloses a lake nitrogen and phosphorus removal and water quality purification device based on a composite wetland, the lake nitrogen and phosphorus removal and water quality purification device comprises an equipment outer box, and a water purification box is fixedly mounted in the equipment outer box. According to the invention, a lake water source needing to be purified is powerfully pumped by the powerful sludge pump, then the drainage end of the powerful sludge pump is connected with the water receiving end of the mbr membrane bioreactor, and then the mbr membrane bioreactor is used for purifying lake water; then the drainage end of the mbr membrane bioreactor is stably connected with the water receiving end of the magnetic coagulation integrated equipment, then the magnetic coagulation integrated equipment is utilized to purify a water source, and then the drainage end of the magnetic coagulation integrated equipment is utilized to carry out penetrating drainage to the adsorption tank box, so that nitrogen and phosphorus substances in the lake can be efficiently purified; the lake purification modes are diversified, so that the purification cleanliness of the lake water is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of lake water purification, and in particular to a lake nitrogen and phosphorus removal and water purification device based on a composite wetland. Background Art

[0002] There are many types of lakes in my country, which are widely distributed. There are thousands of lakes of all sizes, one third of which are freshwater lakes, and they are mainly distributed in the eastern coastal areas and the middle and lower reaches of the Yangtze River. In recent years, with the development of the economy and the inappropriate use of lake resources, most lakes are in wetland environments. There are a lot of nitrogen and phosphorus substances in the lakes, which leads to serious lake pollution problems, seriously affecting the production, life and drinking water safety of the people in the lake area. Therefore, a lake nitrogen and phosphorus removal and water purification device based on composite wetlands is proposed.

[0003] However, in the process of realizing the present invention, the inventors found that at least the following problems in the prior art have not been solved: 1. It is not convenient to purify nitrogen and phosphorus substances in lakes efficiently, and the lake purification method is single, thereby reducing the effect of lake water purification; 2. It is not convenient to filter and purify the water source in the lake. When purifying the water source in the lake, the purification equipment will be blocked due to impurities and foreign matter in the lake, thereby reducing the stability of the water source purification in the lake; 3. It is not convenient to stably install and use the water source purification equipment in the wetland environment. The purification equipment will shake and collapse when in use, thereby reducing the safety of the use of the lake water source purification equipment. For this reason, the present invention designs a lake nitrogen and phosphorus removal and water purification device based on a composite wetland. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art, such as: it is inconvenient to purify nitrogen and phosphorus substances in lakes efficiently, the lake purification method is single, thereby reducing the effect of lake water purification, it is inconvenient to filter and purify the water source in the lake, when purifying the water source in the lake, the impurities and foreign matter in the lake will cause the purification equipment to be blocked, thereby reducing the stability of the water source purification in the lake, and it is inconvenient to install and use the water source purification equipment in a wetland environment stably, and the purification equipment will shake and collapse when in use, thereby reducing the safety of the use of the lake water source purification equipment. To this end, the present invention designs a lake nitrogen and phosphorus removal and water purification device based on a composite wetland.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A lake nitrogen and phosphorus removal and water purification device based on a composite wetland, comprising an equipment outer box, a clean water tank is fixedly installed inside the equipment outer box, a clean water maintenance door is movably installed on the surface of the clean water tank through a hinge, a powerful sludge pump is fixedly installed inside the clean water tank, an MBR membrane bioreactor is fixedly installed on one side of the powerful sludge pump, and a magnetic coagulation integrated device is fixedly installed on one side of the MBR membrane bioreactor;

[0007] A water suction hose is installed through the surface of the outer box of the equipment, a water suction pipe connecting pipe is fixedly installed at one end of the water suction hose, a water suction fine filter cartridge is fixedly installed on the surface of the water suction hose, and a water suction coarse filter cartridge is fixedly installed on the surface of the water suction fine filter cartridge;

[0008] A bottom connecting plate is fixedly installed on the bottom of the equipment outer box, a bottom supporting plate is fixedly installed on the bottom of the bottom connecting plate, and a foundation column is fixedly installed on the bottom of the bottom supporting plate.

[0009] Preferably, an outer box door is movably installed on one side of the equipment outer box through a hinge, an outer door lock hole is installed through the interior of the outer box door, a top connecting plate is fixedly installed on the top of the equipment outer box, and side connecting plates are fixedly installed on both sides of the equipment outer box.

[0010] Preferably, a drainage hose is installed through one side of the outer box door, and a drainage pipe connecting pipeline is fixedly installed at one end of the drainage hose.

[0011] Preferably, a top buffer strip is fixedly installed on the top of the top connecting plate, a top protective plate is fixedly installed on the top of the top buffer strip, and a top buffer plate is fixedly installed on the top of the top protective plate.

[0012] Preferably, side buffer strips are fixedly installed on both sides of the side connecting plate, side protection plates are fixedly installed on both sides of the side buffer strips, and side waterproof plates are fixedly installed on both sides of the side protection plates.

[0013] Preferably, an adsorption tank box is fixedly installed on one side of the clean water tank, an adsorption tank connecting block is fixedly installed on one side of the interior of the adsorption tank box, an adsorption box monitoring camera is fixedly installed on one side of the adsorption box connecting block, an adsorption camera transparent shell is fixedly installed on one side of the adsorption box monitoring camera, an adsorption box liquid level detector is fixedly installed on the bottom of the adsorption box monitoring camera, a filter frame is fixedly installed on the bottom of the adsorption box connecting block, an adsorption box drainage pump is fixedly installed on the bottom of the filter frame, and an adsorption box drainage pipe is installed through the drainage end of the adsorption box drainage pump.

[0014] Preferably, filter screen plates are movably installed inside the filter frames, and the filter screen plates are made of metal material.

[0015] Preferably, a plc controller is fixedly installed on the surface of the adsorption tank box, a power socket is fixedly installed on the bottom of the plc controller, and a reflux tank box is fixedly installed on one side of the adsorption tank box.

[0016] Preferably, a reflux box connection block is fixedly installed on one side of the interior of the reflux tank, and a reflux box drainage pump is fixedly installed on the bottom of the reflux box connection block.

[0017] Preferably, a reflux box monitoring camera is fixedly installed on one side of the reflux box connecting block, a reflux camera transparent shell is fixedly installed on one side of the reflux box monitoring camera, and a reflux box liquid level detector is fixedly installed on the bottom of the reflux box monitoring camera.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention uses a water purification tank to stably install the water purification equipment, and then uses the water purification maintenance door to conveniently maintain the internal equipment of the water purification tank, and then uses a powerful sludge pump to powerfully extract the lake water source that needs to be purified, and then uses the drainage end of the powerful sludge pump to connect the water receiving end of the MBR membrane bioreactor, and then uses the MBR membrane bioreactor to purify the lake water, and then uses the drainage end of the MBR membrane bioreactor and the water receiving end of the magnetic coagulation integrated equipment to stably connect, and then uses the magnetic coagulation integrated equipment to purify the water source, and then uses the drainage end of the magnetic coagulation integrated equipment to drain through the adsorption tank box, which can efficiently purify the nitrogen and phosphorus substances in the lake, diversify the lake purification methods, and thus reduce the effect of lake water purification cleanliness.

[0020] 2. The present invention connects one end of the pipe with the surface of the powerful sludge pump through a pumping pipe to make a stable connection, then uses the suction force of the powerful sludge pump to pump and purify water, then uses a pumping hose to pump and purify water over a long distance inside the lake, and then uses a pumping fine filter cartridge and a pumping coarse filter cartridge to filter, extract and purify the water source inside the lake. The water source of the lake can be filtered and purified, and the purification equipment will not be blocked due to the clogging when purifying the water source of the lake, thereby improving the stability of the water source purification in the lake.

[0021] 3. The present invention is fixedly installed at the bottom of the equipment outer box through a bottom connecting plate, and then a large-area bottom support plate is used to support the purification equipment with a large grounding area. Then, a plurality of foundation columns are penetrated into the ground to stably install the equipment in a wetland environment. The water source purification equipment can be stably installed and used in a wetland environment, and the purification equipment will not shake or collapse during regeneration, thereby improving the safety of the use of the lake water source purification equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is an overall stereogram of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0023] Figure 2 This is a schematic diagram of the overall structure of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0024] Figure 3 A schematic diagram of the partial structure of a water purification tank of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0025] Figure 4 A partial stereoscopic view of a water pumping hose of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0026] Figure 5 A partial stereoscopic view of the bottom connecting plate of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0027] Figure 6 A schematic diagram of the partial structure of an adsorption tank box of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0028] Figure 7 A schematic diagram of the partial structure of a reflow tank box of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0029] Figure 8 A partial stereoscopic view of a drainage hose of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0030] Fig. 9 A partial stereoscopic view of a top connecting plate of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention;

[0031] Fig.10 This is a partial stereoscopic view of the side connecting plate of a lake nitrogen and phosphorus removal and water purification device based on a composite wetland proposed by the present invention.

[0032] In the figure: 1. Equipment outer box; 2. Outer box door; 201. Outer door lock hole; 3. Suction hose; 301. Suction fine filter cartridge; 302. Suction coarse filter cartridge; 303. Suction pipe connection pipeline; 4. Drain hose; 401. Drain pipe connection pipeline; 5. Bottom connection plate; 501. Bottom support plate; 502. Foundation column; 6. Side connection plate; 601. Side buffer strip; 602. Side protection plate; 603. Side waterproof plate; 7. Top connection plate; 701. Top buffer strip; 702. Top protection plate; 703. Top buffer plate; 8. Clean water tank; 801. Clean water maintenance door; 802. Powerful sludge pump; 803. mbr Membrane bioreactor; 804, magnetic coagulation integrated equipment; 9, adsorption tank box; 901, adsorption tank connection block; 902, adsorption tank monitoring camera; 903, adsorption camera transparent shell; 904, adsorption tank liquid level detector; 905, adsorption tank drainage pump; 906, adsorption tank drainage pipe; 10, PLC controller; 1001, power jack; 11, filter frame; 1101, filter screen; 12, reflux tank box; 1201, reflux tank connection block; 1202, reflux tank monitoring camera; 1203, reflux camera transparent shell; 1204, reflux tank liquid level detector; 1205, reflux tank drainage pump. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] Reference Figure 1-Figure 10 , a lake nitrogen and phosphorus removal and water purification device based on composite wetlands, comprising an equipment outer box 1, a clean water tank 8 is fixedly installed inside the equipment outer box 1, a clean water maintenance door 801 is movably installed on the surface of the clean water tank 8 through a hinge, a powerful sludge pump 802 is fixedly installed inside the clean water tank 8, an MBR membrane bioreactor 803 is fixedly installed on one side of the powerful sludge pump 802, and a magnetic coagulation integrated device 804 is fixedly installed on one side of the MBR membrane bioreactor 803;

[0035] A water suction hose 3 is installed through the surface of the equipment outer box 1, a water suction pipe connecting pipe 303 is fixedly installed at one end of the water suction hose 3, a water suction fine filter cartridge 301 is fixedly installed on the surface of the water suction hose 3, and a water suction coarse filter cartridge 302 is fixedly installed on the surface of the water suction fine filter cartridge 301;

[0036] A bottom connecting plate 5 is fixedly installed on the bottom of the equipment outer box 1 , a bottom supporting plate 501 is fixedly installed on the bottom of the bottom connecting plate 5 , and a foundation column 502 is fixedly installed on the bottom of the bottom supporting plate 501 .

[0037] When the device is working, the water purification equipment is stably installed through the water purification tank 8, and then the water purification maintenance door 801 is used to conveniently maintain the internal equipment of the water purification tank 8, and then the powerful sludge pump 802 is used to powerfully extract the lake water source that needs to be purified, and then the drainage end of the powerful sludge pump 802 is connected to the water receiving end of the MBR membrane bioreactor 803, and then the MBR membrane bioreactor 803 is used to purify the lake water, and then the drainage end of the MBR membrane bioreactor 803 and the water receiving end of the magnetic coagulation integrated equipment 804 are stably connected, and then the magnetic coagulation integrated equipment 804 is used to purify the water source, and then the drainage end of the magnetic coagulation integrated equipment 804 is used to drain through the adsorption tank box 9, which can efficiently purify the nitrogen and phosphorus substances in the lake, diversify the lake purification methods, thereby reducing the efficiency of the lake water purification cleanliness. As a result, the powerful sludge pump 802 uses its own mechanical force to extract the air in the pump to form a negative pressure area. When the sludge enters the negative pressure area, the atmospheric pressure is greater than the negative pressure area, and the sludge will be forcibly sucked into the pump body. The MBR membrane bioreactor 803 uses a membrane separation device immersed in an aerobic biological pool to effectively intercept the activated sludge and macromolecular organic matter in the biochemical reaction pool, and separates the clean water that meets the emission standards through negative pressure. The working principle of the magnetic coagulation integrated equipment 804 is to add magnetic seeds and coagulants to the water, and use the magnetic field to accelerate the coagulation and precipitation of suspended particles and colloidal substances, thereby purifying the water quality. The powerful sludge pump 802 is electrically connected to the PLC controller 10 through a wire, the MBR membrane bioreactor 803 is electrically connected to the PLC controller 10 through a wire, and the magnetic coagulation integrated equipment 804 is electrically connected to the PLC controller 10 through a wire.

[0038] One end of the water pump connecting pipe 303 is stably connected to the surface of the powerful sludge pump 802, and then the suction force of the powerful sludge pump 802 is used to pump water for purification, and then the water pumping hose 3 is used to pump water for purification over a long distance inside the lake, and then the water source inside the lake is filtered, extracted and purified by using the water pumping fine filter cartridge 301 and the water pumping coarse filter cartridge 302, which can filter and purify the water source of the lake, and the purification equipment will not be blocked due to the thought when purifying the water source of the lake, thereby improving the stability of the water source purification in the lake;

[0039] The bottom connecting plate 5 is fixedly installed at the bottom of the equipment outer box 1, and then the large-area bottom support plate 501 is used to support the purification equipment with a large area of ​​grounding, and then multiple foundation columns 502 are penetrated into the ground to stably install the equipment in the wetland environment. The water source purification equipment can be stably installed and used in the wetland environment, and the purification equipment will not shake or collapse when it is used during regeneration, thereby improving the safety of the use of the lake water source purification equipment;

[0040] Among them, an outer box door 2 is movably installed on one side of the equipment outer box 1 through a hinge, and an outer door lock hole 201 is installed through the inner part of the outer box door 2. A top connecting plate 7 is fixedly installed on the top of the equipment outer box 1, and side connecting plates 6 are fixedly installed on both sides of the equipment outer box 1;

[0041] It should be noted that when the device is working, the equipment outer box 1 can be used to stably install the sewage purification equipment, and then the outer box door 2 is used to facilitate the staff to inspect and maintain the inside of the equipment outer box 1, and then the outer door lock hole 201 is used to movably lock the outer box door 2, thereby improving the safety of the use of the purification equipment;

[0042] A drainage hose 4 is installed through one side of the outer box door 2, and a drainage pipe connecting pipe 401 is fixedly installed at one end of the drainage hose 4;

[0043] It should be noted that one end of the drainage pipe 401 is stably connected to the drainage end of the return tank drainage pump 1205, and then the purified water source is discharged into the lake using the drainage hose 4, thereby improving the convenience of drainage;

[0044] Among them, a top buffer strip 701 is fixedly installed on the top of the top connecting plate 7, a top protection plate 702 is fixedly installed on the top of the top buffer strip 701, and a top buffer plate 703 is fixedly installed on the top of the top protection plate 702;

[0045] It should be noted that the top buffer strip 701 cooperates with the top protection plate 702 to provide buffer protection to the top of the water purification device, and then the top buffer plate 703 is used to protect the top of the water purification device, thereby improving the safety of the water purification device.

[0046] Wherein, side buffer strips 601 are fixedly installed on both sides of the side connection plate 6, side protection plates 602 are fixedly installed on both sides of the side buffer strips 601, and side waterproof plates 603 are fixedly installed on both sides of the side protection plates 602;

[0047] It should be noted that the side buffer strips 601 and the side protection plates 602 are used to protect both sides of the water purification device, thereby improving the safety of the water purification device.

[0048] Among them, an adsorption tank box 9 is fixedly installed on one side of the clean water tank 8, an adsorption tank connecting block 901 is fixedly installed on one side of the adsorption tank box 9, an adsorption tank monitoring camera 902 is fixedly installed on one side of the adsorption tank connecting block 901, an adsorption camera transparent shell 903 is fixedly installed on one side of the adsorption tank monitoring camera 902, an adsorption tank liquid level detector 904 is fixedly installed on the bottom of the adsorption tank monitoring camera 902, a filter frame 11 is fixedly installed on the bottom of the adsorption tank connecting block 901, an adsorption tank drainage pump 905 is fixedly installed on the bottom of the filter frame 11, and an adsorption tank drainage pipe 906 is installed through the drainage end of the adsorption tank drainage pump 905;

[0049] It should be noted that the water source purified by the magnetic coagulation integrated equipment 804 is collected by the adsorption tank box 9, and then the adsorption box monitoring camera 902 is used to observe the inside of the adsorption tank box 9, and then the adsorption camera transparent shell 903 is used to waterproof the adsorption box monitoring camera 902, and then the adsorption box liquid level detector 904 is used to detect the liquid level inside the adsorption tank box 9, and then the adsorption box drainage pump 905 is used in conjunction with the adsorption box drainage pipe 906 to introduce the water source into the return tank box 12, thereby improving the efficiency of water source adsorption, the adsorption box monitoring camera 902 is electrically connected to the external display through a wire, the adsorption box liquid level detector 904 is electrically connected to the external display through a wire, and the adsorption box drainage pump 905 is electrically connected to the plc controller 10 through a wire.

[0050] The filter frame 11 is provided with a filter screen plate 1101 movably mounted inside, and the filter screen plate 1101 is made of metal material;

[0051] It should be noted that the water source discharged from the magnetic coagulation integrated equipment 804 is filtered through the filter plate 1101, thereby improving the effect of filtering the water source.

[0052] Among them, a plc controller 10 is fixedly installed on the surface of the adsorption tank box 9, a power socket 1001 is fixedly installed on the bottom of the plc controller 10, and a reflow tank box 12 is fixedly installed on one side of the adsorption tank box 9;

[0053] It should be noted that the electrical equipment is automatically programmed and operated through the PLC controller 10, and then the power socket 1001 is used to provide power to the electrical equipment. The PLC controller 10 is electrically connected to the power socket 1001 through a wire, and the power socket 1001 is electrically connected to an external power supply through a wire.

[0054] Among them, a return tank connection block 1201 is fixedly installed on one side of the return tank 12, and a return tank drainage pump 1205 is fixedly installed on the bottom of the return tank connection block 1201;

[0055] It should be noted that the purified water source is collected by the reflux tank box 12, and then discharged by the reflux tank drainage pump 1205, thereby improving the stability of water discharge. The reflux tank drainage pump 1205 is electrically connected to the PLC controller 10 through a wire.

[0056] Among them, a reflux box monitoring camera 1202 is fixedly installed on one side of the reflux box connection block 1201, a reflux camera transparent shell 1203 is fixedly installed on one side of the reflux box monitoring camera 1202, and a reflux box liquid level detector 1204 is fixedly installed on the bottom of the reflux box monitoring camera 1202;

[0057] It should be noted that the inside of the reflow tank box 12 is observed through the reflow box monitoring camera 1202, and then the reflow box monitoring camera 1202 is waterproofed by the reflow camera transparent shell 1203, and then the reflow box liquid level detector 1204 is used to detect the liquid level inside the reflow tank box 12, thereby improving the convenience of observing the water discharge, the reflow box monitoring camera 1202 is electrically connected to the external display through a wire, and the reflow box liquid level detector 1204 is electrically connected to the external display through a wire.

[0058] In the present invention, when the user uses the device, refer to the instructions attached Figure 1 , Instruction Manual Figure 2 , Instruction Manual Figure 5 , Instruction Manual Fig. 9 And the instruction manual Fig.10 When the device is working, it is fixedly installed at the bottom of the equipment outer box 1 through the bottom connecting plate 5, and then the purification equipment is supported by the large-area bottom support plate 501 for large-area grounding. Then, multiple foundation columns 502 are used to penetrate the ground to stably install the equipment in the wetland environment. Then, the equipment outer box 1 is used to stably install the sewage purification equipment. Then, the outer box door 2 is used to facilitate the staff to inspect and maintain the inside of the equipment outer box 1. Then, the outer door lock hole 201 is used to movably lock the outer box door 2. Then, the top buffer strip 701 is used in conjunction with the top protection plate 702 to provide buffer protection to the top of the water purification equipment. Then, the top buffer plate 703 is used to protect the top of the water purification equipment. Then, the side buffer strips 601 and the side protection plates 602 are used to protect both sides of the water purification equipment. Then, the PLC controller 10 is used to automatically program and operate the electrical equipment. Then, the power socket 1001 is used to provide power to the electrical equipment.

[0059] Next, refer to the manual attached Figure 3 And the instruction manual Figure 4, connect one end of the water pump pipe 303 to the surface of the powerful sludge pump 802 stably, then use the suction force of the powerful sludge pump 802 to pump and purify water, then use the water pump hose 3 to pump and purify water for a long distance inside the lake, then use the water pumping fine filter cartridge 301 and the water pumping coarse filter cartridge 302 to filter and extract the water source inside the lake, then use the clean water tank 8 to stably install the water purification equipment, then use the clean water maintenance door 801 to conveniently repair the equipment inside the clean water tank 8, then use the powerful sludge pump 80 2. The lake water source to be purified is extracted forcefully, and then the drainage end of the powerful sludge pump 802 is connected to the water receiving end of the MBR membrane bioreactor 803, and then the lake water is purified by the MBR membrane bioreactor 803, and then the drainage end of the MBR membrane bioreactor 803 is stably connected to the water receiving end of the magnetic coagulation integrated device 804, and then the water source is purified by the magnetic coagulation integrated device 804, and then the drainage end of the magnetic coagulation integrated device 804 is used to drain the water through the adsorption tank box 9;

[0060] Finally, refer to the manual attached Figure 1 , Instruction Manual Figure 2 , Instruction Manual Figure 6 , Instruction Manual Figure 7 And the instruction manual Figure 8 , the water source discharged from the magnetic coagulation integrated device 804 is filtered through the filter screen 1101, and then the water source purified by the magnetic coagulation integrated device 804 is collected by the adsorption tank box 9, and then the adsorption tank monitoring camera 902 is used to observe the inside of the adsorption tank box 9, and then the adsorption camera transparent shell 903 is used to waterproof the adsorption tank monitoring camera 902, and then the adsorption tank liquid level detector 904 is used to detect the liquid level inside the adsorption tank box 9, and then the adsorption tank drainage pump 905 is used to cooperate with the adsorption tank drainage pipe 906 to introduce the water source into the reflux tank box 12, and then use The reflux box monitoring camera 1202 observes the inside of the reflux tank box 12, and then the reflux camera transparent shell 1203 is used to waterproof the reflux box monitoring camera 1202, and then the reflux box liquid level detector 1204 is used to detect the liquid level inside the reflux tank box 12, and then the reflux tank box 12 is used to store the purified water source, and then the reflux box drainage pump 1205 is used to discharge the purified water source, and then the drainage pipe is used to connect one end of the pipe 401 and the drainage end of the reflux box drainage pump 1205 to be stably connected, and then the drainage hose 4 is used to discharge the purified water source into the lake.

[0061] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lake nitrogen and phosphorus removal and water purification device based on a composite wetland, comprising an equipment outer box (1), characterized in that: A clean water tank (8) is fixedly installed inside the outer box (1) of the equipment, a clean water maintenance door (801) is movably installed on the surface of the clean water tank (8) via a hinge, a powerful sludge pump (802) is fixedly installed inside the clean water tank (8), an MBR membrane bioreactor (803) is fixedly installed on one side of the powerful sludge pump (802), and a magnetic coagulation integrated device (804) is fixedly installed on one side of the MBR membrane bioreactor (803); A water suction hose (3) is installed through the surface of the equipment outer box (1); a water suction pipe connecting pipe (303) is fixedly installed at one end of the water suction hose (3); a water suction fine filter cartridge (301) is fixedly installed on the surface of the water suction hose (3); and a water suction coarse filter cartridge (302) is fixedly installed on the surface of the water suction fine filter cartridge (301); A bottom connecting plate (5) is fixedly mounted on the bottom of the equipment outer box (1), a bottom supporting plate (501) is fixedly mounted on the bottom of the bottom connecting plate (5), and a foundation column (502) is fixedly mounted on the bottom of the bottom supporting plate (501).

2. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 1 is characterized in that: An outer box door (2) is movably mounted on one side of the device outer box (1) via a hinge, an outer door lock hole (201) is installed through the interior of the outer box door (2), a top connecting plate (7) is fixedly mounted on the top of the device outer box (1), and side connecting plates (6) are fixedly mounted on both sides of the device outer box (1).

3. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 2 is characterized in that: A drainage hose (4) is installed through one side of the outer box door (2), and a drainage pipe connecting pipeline (401) is fixedly installed at one end of the drainage hose (4).

4. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 2 is characterized in that: A top buffer strip (701) is fixedly mounted on the top of the top connecting plate (7), a top protective plate (702) is fixedly mounted on the top of the top buffer strip (701), and a top buffer plate (703) is fixedly mounted on the top of the top protective plate (702).

5. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 2 is characterized in that: Side buffer strips (601) are fixedly installed on both sides of the side connection plate (6), side protection plates (602) are fixedly installed on both sides of the side buffer strips (601), and side waterproof plates (603) are fixedly installed on both sides of the side protection plates (602).

6. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 1 is characterized in that: An adsorption tank box (9) is fixedly mounted on one side of the clean water tank (8); an adsorption tank connection block (901) is fixedly mounted on one side of the adsorption tank box (9); an adsorption tank monitoring camera (902) is fixedly mounted on one side of the adsorption tank connection block (901); an adsorption camera transparent shell (903) is fixedly mounted on one side of the adsorption tank monitoring camera (902); an adsorption tank liquid level detector (904) is fixedly mounted on the bottom of the adsorption tank monitoring camera (902); a filter frame (11) is fixedly mounted on the bottom of the adsorption tank connection block (901); an adsorption tank drainage pump (905) is fixedly mounted on the bottom of the filter frame (11); and an adsorption tank drainage pipe (906) is installed through the drainage end of the adsorption tank drainage pump (905).

7. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 6 is characterized in that: The filter frame (11) is movably provided with a filter screen plate (1101) inside, and the filter screen plate (1101) is made of metal material.

8. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 6 is characterized in that: A PLC controller (10) is fixedly mounted on the surface of the adsorption tank box (9), a power socket (1001) is fixedly mounted on the bottom of the PLC controller (10), and a reflow tank box (12) is fixedly mounted on one side of the adsorption tank box (9).

9. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 8, characterized in that: A return tank connection block (1201) is fixedly installed on one side of the return tank (12), and a return tank drainage pump (1205) is fixedly installed on the bottom of the return tank connection block (1201).

10. The lake nitrogen and phosphorus removal and water purification device based on composite wetlands according to claim 9, characterized in that: A reflux box monitoring camera (1202) is fixedly mounted on one side of the reflux box connection block (1201), a reflux camera transparent shell (1203) is fixedly mounted on one side of the reflux box monitoring camera (1202), and a reflux box liquid level detector (1204) is fixedly mounted on the bottom of the reflux box monitoring camera (1202).

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