Modular constructed wetland structure

Abstract

The utility model discloses a modularized artificial wetland structure which comprises a wetland frame, a bottom surface impermeable layer is fixedly arranged on the inner wall of the wetland frame, a gravel layer is arranged above the bottom surface impermeable layer, a plant root system layer is arranged above the gravel layer, a filler layer is arranged between the plant root system layer and the gravel layer, and the filler layer is arranged on the bottom surface impermeable layer. A microbial layer is embedded in the filler layer, the top end of the left side of the wetland frame is communicated with a water inlet pipe, an aeration system is arranged in the wetland frame, the bottom end of the right side of the wetland frame is communicated with a water outlet pipe, and a water outlet valve is arranged on the water outlet pipe. Compared with the prior art, the sewage treatment device has the advantages that pollutants such as organic matters, nutritive salts, suspended matters and pathogens in sewage can be effectively removed through the combined action of physical, chemical and biological processes; the system mainly depends on the self-adjusting capacity of a natural ecological system, the operation energy consumption is low, and the construction and maintenance cost is relatively low.

Description

Technical Field

[0001] The utility model relates to the technical field of wetland structures, in particular to a modular artificial wetland structure. Background Art

[0002] Existing sewage treatment methods mainly include physical treatment, chemical treatment and biological treatment. Physical treatment mainly removes suspended matter in sewage through physical action. However, its removal effect on soluble organic matter and nutrients such as nitrogen and phosphorus is poor; chemical treatment removes pollutants in sewage through the action of chemical agents, which may cause secondary pollution; biological treatment mainly removes organic matter in sewage through the action of microorganisms, and the treatment effect is greatly affected by factors such as temperature and pH value;

[0003] Modular artificial wetlands are an ecological engineering structure that simulates natural wetland systems and is used to treat and purify sewage. It effectively removes pollutants such as organic matter, nutrients, suspended solids and pathogens from sewage through physical, chemical and biological processes. Compared with traditional sewage treatment methods, modular artificial wetlands have the advantages of low cost, low energy consumption, easy maintenance and good landscape effects. They have a wide range of applications, so an efficient modular artificial wetland structure is needed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a modular artificial wetland structure.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a modular artificial wetland structure, including a wetland frame, a bottom anti-seepage layer is fixedly provided on the inner wall of the wetland frame, a gravel layer is provided above the bottom anti-seepage layer, a plant root layer is provided above the gravel layer, a filler layer is provided between the plant root layer and the gravel layer, a microbial layer is embedded in the filler layer, a water inlet pipe is connected to the top left side of the wetland frame, an aeration system is provided in the wetland frame, a water outlet pipe is connected to the bottom right side of the wetland frame, and a water outlet valve is provided on the water outlet pipe.

[0006] As an improvement, the bottom anti-seepage layer is composed of a bentonite waterproof blanket to prevent sewage from leaking into the ground.

[0007] As an improvement, a fence is fixedly provided around the top surface of the wetland frame, and an identification plate is screwed onto the front center of the fence. The fence protects the wetland system from human damage and animal interference, and the identification plate provides relevant information and warning signs of the wetland system.

[0008] As an improvement, the aeration system includes a blower fixed to the right outer wall of the wetland frame. The blower is connected to a pipe extending into the wetland frame and located at the top of the bottom anti-seepage layer. The other end of the pipe is connected to an aerator. The blower is used to oxygenate the wetland frame to promote microbial activity and pollutant conversion.

[0009] As an improvement, the air inlet of the blower is connected to an air filter to prevent impurities from entering the equipment.

[0010] As an improvement, installation grooves are provided in the left and right side walls of the wetland frame, and multiple heating resistance wires are evenly arranged in the installation grooves. A temperature sensor electrically connected to the heating resistance wires is provided in the wetland frame, and heating measures are taken to prevent the wetland system from freezing.

[0011] The advantages of the utility model compared with the prior art are: through the comprehensive action of physical, chemical and biological processes, pollutants such as organic matter, nutrients, suspended matter and pathogens in sewage can be effectively removed;

[0012] It mainly relies on the self-regulating ability of natural ecosystems, has low operating energy consumption, and relatively low construction and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a first stereoscopic diagram of a modular artificial wetland structure of the utility model.

[0014] Figure 2 It is a second stereoscopic diagram of a modular artificial wetland structure of the utility model.

[0015] Figure 3 It is a sectional stereoscopic diagram of a modular artificial wetland structure of the utility model.

[0016] Figure 4 yes Figure 3 Schematic diagram of the structure of part A.

[0017] As shown in the figure: 1. Wetland frame; 2. Bottom anti-seepage layer; 3. Gravel layer; 4. Plant root layer; 5. Filling layer; 6. Microbial layer; 7. Water inlet pipe; 8. Aeration system; 9. Water outlet pipe; 10. Water outlet valve; 11. Fence; 12. Signboard; 13. Blower; 14. Pipeline; 15. Aerator; 16. Air filter; 17. Installation slot; 18. Heating resistor wire; 19. Temperature sensor. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] Combined with Figure 1-4As shown, a modular artificial wetland structure comprises a wetland frame 1, wherein the inner wall of the wetland frame 1 is fixedly provided with a bottom surface anti-seepage layer 2, wherein the bottom surface anti-seepage layer 2 is composed of a bentonite waterproof blanket, wherein a gravel layer 3 is provided above the bottom surface anti-seepage layer 2, wherein a plant root layer 4 is provided above the gravel layer 3, wherein a packing layer 5 is provided between the plant root layer 4 and the gravel layer 3, wherein a microorganism layer 6 is embedded in the packing layer 5, wherein a water inlet pipe 7 is connected to the top end on the left side of the wetland frame 1, and a water outlet pipe 9 is connected to the bottom end on the right side of the wetland frame 1, wherein a water outlet valve 10 is provided on the water outlet pipe 9;

[0020] Through the above structure, a bottom anti-seepage layer 2 is laid on the inner wall of the wetland frame 1, and the bottom anti-seepage layer 2 is composed of a bentonite waterproof blanket to prevent sewage from leaking into the ground. Then, a gravel layer 3, a filler layer 5, a microbial layer 6, and a plant root layer 4 are laid in sequence on the bottom anti-seepage layer 2. The gravel layer 3 is located above the bottom anti-seepage layer 2 to provide support and drainage functions for the wetland structure; the plant root layer 4 is planted with plants adapted to the wetland environment, such as reeds, cattails, etc., which absorb and degrade pollutants through the plant root system; the filler layer 5 is located below the plant root layer 4 and provides a carrier for the growth of microorganisms, such as gravel, ceramsite or volcanic rock; the microbial layer 6 includes bacteria, fungi and micro-animals, etc., which form a biofilm on the surface of the filler to degrade organic pollutants; the sewage enters the wetland frame 1 through the water inlet pipe 7, and is purified through the gravel layer 3, the filler layer 5, the microbial layer 6 and the plant root layer 4 in sequence, and after treatment, the water is discharged through the outlet pipe 9 by opening the outlet valve 10;

[0021] The wetland frame 1 is provided with an aeration system 8, and the aeration system 8 includes a blower 13 fixed to the right outer wall of the wetland frame 1, and the air inlet of the blower 13 is connected to an air filter 16, and the blower 13 is connected to a pipe 14 extending into the wetland frame 1 and located at the top of the bottom anti-seepage layer 2, and the other end of the pipe 14 is connected to an aerator 15; the left and right side walls of the wetland frame 1 are provided with mounting grooves 17, and a plurality of heating resistance wires 18 are evenly arranged in the mounting grooves 17, and a temperature sensor 19 electrically connected to the heating resistance wires 18 is provided in the wetland frame, and a fence 11 is fixedly provided around the top surface of the wetland frame 1, and a sign 12 is screwed in the center of the front side of the fence 11;

[0022] Through the above structure, the blower 13 cooperates with the aerator 15 to oxygenate the wetland surface, and the air filter 16 prevents impurities from entering the aeration system 8, providing better growth and activity conditions for microorganisms, thereby accelerating the decomposition and transformation of organic matter. When the temperature sensor 19 detects a low temperature, the heating resistor 18 is turned on to prevent the wetland system from freezing. The fence 11 protects the wetland system from human damage and animal interference. The sign 12 provides relevant information and warning signs of the wetland system.

[0023] During the specific implementation of the utility model, firstly, a bottom surface anti-seepage layer 2 is laid on the inner wall of the wetland frame 1, and the bottom surface anti-seepage layer 2 is composed of a bentonite waterproof blanket to prevent sewage from leaking into the ground. Then, a gravel layer 3, a filler layer 5, a microbial layer 6, and a plant root layer 4 are laid in sequence above the bottom surface anti-seepage layer 2. The gravel layer 3 is located above the bottom surface anti-seepage layer 2 to provide support and drainage functions for the wetland structure; the plant root layer 4 is planted with plants adapted to the wetland environment, such as reeds and cattails, which absorb and degrade pollutants through the plant roots; the filler layer 5 is located below the plant root layer 4 to provide a carrier for the growth of microorganisms, such as gravel, ceramsite or volcanic rock; the microbial layer 6 includes bacteria, fungi and micro-animals, etc., which form a biofilm on the filler surface to degrade organic pollutants;

[0024] Sewage enters the wetland frame 1 through the water inlet pipe 7, and is purified in turn through the gravel layer 3, the filler layer 5, the microbial layer 6 and the plant root layer 4. The blower 13 cooperates with the aerator 15 to oxygenate the wetland surface. The air filter 16 prevents impurities from entering the aeration system 8, providing better growth and activity conditions for microorganisms, thereby accelerating the decomposition and transformation of organic matter. When the temperature sensor 19 detects a low temperature, the heating resistor 18 is turned on to prevent the wetland system from freezing. After treatment, the water is discharged through the outlet pipe 9 by opening the outlet valve 10. During use, the fence 11 protects the wetland system from human damage and animal interference. The sign 12 provides relevant information and warning signs of the wetland system.

[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A modular artificial wetland structure, comprising a wetland frame (1), characterized in that: The inner wall of the wetland frame (1) is fixedly provided with a bottom surface anti-seepage layer (2), a gravel layer (3) is provided above the bottom surface anti-seepage layer (2), a plant root layer (4) is provided above the gravel layer (3), a filler layer (5) is provided between the plant root layer (4) and the gravel layer (3), a microorganism layer (6) is embedded in the filler layer (5), a water inlet pipe (7) is connected to the top end of the left side of the wetland frame (1), an aeration system (8) is provided in the wetland frame (1), and a water outlet pipe (9) is connected to the bottom end of the right side of the wetland frame (1), and a water outlet valve (10) is provided on the water outlet pipe (9).

2. A modular artificial wetland structure according to claim 1, characterized in that: The bottom surface anti-seepage layer (2) is composed of a bentonite waterproof blanket.

3. A modular artificial wetland structure according to claim 1, characterized in that: A fence (11) is fixedly provided around the top surface of the wetland frame (1), and a signboard (12) is screwed at the center of the front side of the fence (11).

4. A modular artificial wetland structure according to claim 1, characterized in that: The aeration system (8) comprises a blower (13) fixed to the right outer wall of the wetland frame (1), the blower (13) being connected to a pipe (14) extending into the wetland frame (1) and located at the top of the bottom anti-seepage layer (2), and the other end of the pipe (14) being connected to an aerator (15).

5. A modular artificial wetland structure according to claim 4, characterized in that: The air inlet of the blower (13) is connected to an air filter (16).

6. The modular artificial wetland structure according to claim 1, characterized in that: The left and right side walls of the wetland frame (1) are both provided with mounting grooves (17), a plurality of heating resistance wires (18) are evenly arranged in the mounting grooves (17), and a temperature sensor (19) electrically connected to the heating resistance wires (18) is arranged in the wetland frame.

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