Anaerobic preposed modular artificial wetland

Abstract

The utility model belongs to the technical field of sewage treatment, and discloses an anaerobic preposed modular artificial wetland, which comprises an anaerobic tank, an artificial wetland and a water outlet tank, and is characterized in that a water inlet pipe is arranged at the top of the left side of the anaerobic tank, and the water outlet end of the water inlet pipe extends below the liquid level and is close to the bottom; according to the utility model, the modularized structure is arranged, and the partition quantity of the tank bodies is customized through the partition plates, so that the customized design of the size of each functional tank body is realized, the modularized tank is suitable for flexible configuration of farmers in different production and living environments, and the modularized tank can enable the quality of rural domestic sewage to reach the standard; particularly, the removal effect on nitrogen and phosphorus is stable; the constructed wetland is small in occupied area, simple in working procedure, low in construction cost, long in service life, convenient to operate and maintain and suitable for decentralized single-family or multi-family domestic sewage treatment in rural areas.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, specifically, relate to a modular constructed wetland of anaerobic preposition. BACKGROUND

[0002] Traditional constructed wetland treatment technology has too high organic load, and generally cannot make sewage quality reach the standard when being applied to treat rural domestic sewage alone; single anaerobic biological technology also generally cannot make sewage quality reach the standard, especially poor removal effect on nitrogen and phosphorus.

[0003] Traditional multi-cell type "anaerobic + constructed wetland" technology has the defects of many pool body installations, large land occupation, complex pipeline installation, complex construction process, high construction cost, short service life and the like, and is difficult to apply to rural decentralized domestic sewage treatment technology.

[0004] Traditional constructed wetland process often only focuses on whether sewage quality reaches the standard, and ignores the importance of rural sewage reuse, and even if part of the reuse function is considered, the convenience and energy saving effect of sewage reuse are not concerned. SUMMARY

[0005] The utility model discloses a modular constructed wetland of anaerobic preposition, aiming at the defects of the existing rural household constructed wetland, first, the anaerobic pool, constructed wetland, water outlet pool are integrated into a single device by adopting the modular manufacturing process, while reducing the land occupation, the water inlet and outlet holes are arranged reasonably, the water distribution pipe and water collection pipe design are realized, the construction process is simplified, and the service life is prolonged, and second, the water pump in the water outlet pool is powered by solar energy, and the function of low-energy consumption reuse after domestic sewage treatment reaches the standard is realized.

[0006] The utility model is realized as follows:

[0007] A modular constructed wetland of anaerobic preposition, including anaerobic pool, constructed wetland and water outlet pool, its characterized in that, the left side top of anaerobic pool is provided with water inlet pipe, the water outlet end of water inlet pipe is below liquid level and is close to bottom, the water outlet side of anaerobic pool is communicated with the water inlet side of constructed wetland and is below water level and is close to water surface, the lower support layer is arranged in constructed wetland and is close to bottom, the water collection pipe is arranged in constructed wetland and is below lower support layer, the water outlet end of water collection pipe extends vertically upwards and is communicated with water outlet pool, the water outlet side of water outlet pool is provided with water outlet pipe close to top, a plurality of overflow orifices are formed in the surface of water outlet pipe, a section of filtration blind pipe is sleeved with the outside of water outlet pipe corresponding to a plurality of overflow orifices, the water return utilization device is arranged in water outlet pool, and the water return utilization device is controlled by power supply control device.

[0008] In one embodiment of this utility model, the anaerobic pool, the constructed wetland, and the effluent pool are integrated into one pool, and are divided into two areas by a first partition installed in the middle of the pool.

[0009] In one embodiment of this utility model, the anaerobic pond and the constructed wetland are an integrated pond, and are divided into three areas by a first partition and a second partition installed inside.

[0010] In one embodiment of this utility model, the inlet pipe, the outlet pipe, and the collection pipe are all waterproofed by setting a sealing ring.

[0011] In one embodiment of the present invention, the artificial wetland is filled with a lower layer of filler and an upper layer of filler in sequence from bottom to top above the lower support layer, and an upper support layer is provided between the lower layer of filler and the upper layer of filler. Aquatic plants are planted in the upper layer of filler.

[0012] In one embodiment of this utility model, the upper support layer and the lower support layer have the same structure. The upper support layer includes a steel or fiberglass grid frame, and the top of the grid frame is covered with a porous screen.

[0013] In one embodiment of this utility model, both the anaerobic tank and the effluent tank are provided with inspection covers on their tops, and the artificial wetland has an opening at its top.

[0014] In one embodiment of this utility model, the upper part of the first partition is provided with a water inlet and distribution hole, and the anaerobic tank is connected to the artificial wetland through the water inlet and distribution hole.

[0015] In one embodiment of this utility model, the percolation blind tube is a cylindrical three-dimensional mesh structure, and the outside of the three-dimensional mesh structure is wrapped with a filter membrane.

[0016] In one embodiment of this utility model, the power supply control device includes a solar panel and a control cabinet. The control cabinet integrates an energy storage battery. The energy storage battery is electrically connected to the recycling pump via wires. The energy storage battery stores electricity through the solar panel, which is placed in a sunny location.

[0017] The water recycling device includes a recycling pump, which is fixedly installed at the bottom of the outlet pool. The output end of the recycling pump is connected to one end of the recycling water pipe, and the other end of the recycling water pipe extends into the vegetable garden. The recycling pump is electrically connected to the control cabinet through a water pump control line.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] The utility model discloses a modular structure setting, and through the partition self-defined pool body separation quantity to realize the customization design of each function pool body size size, thereby being suitable for the flexible configuration under the different production life environment of farmer, and the modular pool body can make rural domestic sewage water quality reach the standard, especially the stable removal effect of nitrogen, phosphorus, and the land occupation area of wetland is small, and the construction procedure is simple, and the construction cost is low, and the service life is long, and convenient operation and maintenance, and is suitable for the scattered single or multiple domestic sewage treatment of rural area, through the cooperation of solar panel and control box backwater utilization device, can utilize clean energy conveniently realize the irrigation of rural sewage for farmland and other purposes. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as the limitation to the scope, and for the ordinary skilled person in the art, other related drawings can also be obtained according to these drawings without the creative labor.

[0021] Figure 1 It is the structural schematic diagram of the utility model embodiment 1;

[0022] Figure 2 It is the plane structure schematic diagram of embodiment 1;

[0023] Figure 3 It is the structural schematic diagram of the utility model embodiment 2;

[0024] Figure 4 It is the three-dimensional structure schematic diagram of upper support layer or lower support layer;

[0025] Figure 5 It is the sectional structure schematic diagram of percolation blind pipe;

[0026] Figure 6 It is the plane local structure schematic diagram of outlet pipe.

[0027] The drawing reference explains: 1, integral pool;2, first partition;3, second partition;4, anaerobic pool;41, inlet pipe;5, artificial wetland;51, water distribution hole of inlet;52, aquatic plant;53, upper layer filler;54, upper support layer;541, grid framework;542, porous screen;55, lower layer filler;56, lower support layer;57, water collecting pipe;6, outlet pool;61, reuse pump;62, water pump control line;63, reuse water pipe;64, control cabinet;65, solar panel;7, sealing ring;8, outlet pipe;81, overflow small hole;9, percolation blind pipe;91, filter membrane;92, three-dimensional net structure;10, inspection cover. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0033] Embodiments

[0034] Referring to the drawings Figures 1-6The utility model provides a modularization artificial wetland of anaerobic preposition, aiming at the defects of the prior rural household artificial wetland 5, first adopt the manufacturing process of modularization to integrate anaerobic tank 4, artificial wetland 5, water outlet tank 6 into single equipment, realize no water distribution pipe and water collecting pipe design through the reasonable arrangement of water inlet and outlet hole, simplify construction procedure, prolong service life, secondly, the water pump in water outlet tank 6 is powered by solar energy, and the function of low energy consumption reuse after domestic sewage treatment reaches the standard is realized.

[0035] The utility model is realized as follows:

[0036] A kind of anaerobic preposition's modularization artificial wetland 5, including anaerobic tank 4, artificial wetland 5 and water outlet tank 6, its characterized in that, the left side top of anaerobic tank 4 is provided with water inlet pipe 41, the water outlet end of water inlet pipe 41 is inserted below liquid level and close to bottom, the water outlet side of anaerobic tank 4 is communicated with the water inlet side of artificial wetland 5 and below water surface and close to water surface, lower support layer 56 is arranged in artificial wetland 5 close to bottom, water collecting pipe 57 is arranged in artificial wetland 5 and below lower support layer 56, water collecting pipe 57 water outlet end extends vertically upward and is communicated with water outlet tank 6, the water outlet side of water outlet tank 6 is provided with water outlet pipe 8 close to top, multiple overflow orifices 81 are uniformly arranged on the surface of water outlet pipe 8, a section of percolation blind pipe 9 is sleeved on the outside of water outlet pipe 8 corresponding multiple overflow orifices 81, water return utilization device is arranged in water outlet tank 6, and water return utilization device is controlled by power supply control device.

[0037] In an embodiment of the utility model, further, water inlet pipe 41, water outlet pipe 8 and water collecting pipe 57 are all waterproof sealed by setting sealing ring 7.

[0038] In an embodiment of the utility model, further, anaerobic tank 4, artificial wetland 5 and water outlet tank 6 are integrated pool 1, and are divided into two areas by setting first partition 2 in the middle.

[0039] In an embodiment of the utility model, further, anaerobic tank 4 and artificial wetland 5 are integrated pool 1, and are divided into three areas by setting first partition 2 and second partition 3 in the inside.

[0040] Specifically, as shown in Figure 1 、 3 The system is composed of three functional sections in series, which are anaerobic tank 4, artificial wetland 5 and water outlet tank 6, each functional pool can be manufactured modularly, or can be connected into one body, and more has the self-defined layout according to the needs of farmers' life and production, so as to fully and reasonably utilize the geographical form to customize the sewage treatment and reuse scheme for farmers, and the economy and practicability are very excellent.

[0041] Rural domestic sewage enters the anaerobic tank 4 through the inlet pipe 41 and the sealing ring 7, preventing mud, rainwater and other substances outside the tank from entering the tank body 1, ensuring the water quality stability in the anaerobic tank 4 section 4, and preventing mud and sand blockage.

[0042] After the inlet pipe 41 enters the anaerobic tank 4, it extends below the surface of the anaerobic tank 4. Substances of different specific gravities in the sewage, such as oil and vegetable scraps, float to the surface and sink to the bottom under the action of gravity and buoyancy, respectively, completing the process of oil separation and sedimentation. Under the action of anaerobic microorganisms in the anaerobic tank 4, the organic pollutants that are difficult to decompose in the sewage are degraded into easily decomposable small molecule pollutants, thereby improving the sewage treatment capacity of the next functional section.

[0043] After being adsorbed and degraded by microorganisms attached to the filler material and absorbed by aquatic plants 52 in the constructed wetland 5, the pollutants in the wastewater enter the effluent pool 6 through the water collection pipe 57 located below the support layer 56 of the constructed wetland 5. The water collection pipe 57 is a perforated flower pipe with evenly distributed small holes.

[0044] When the wastewater is not reused, the treated wastewater that meets the standards is directly discharged into the surrounding ditch through the outlet pipe 8.

[0045] The outlet pipe 8 is filled with a sealing ring 7, which can prevent mud, rainwater and other substances outside the pool from entering the pool and prevent clogging of the outlet pool 6.

[0046] In one embodiment of the present invention, the lower support layer 56 of the artificial wetland 5 is further filled with a lower filler 55 and an upper filler 53 from bottom to top, an upper support layer 54 is provided between the lower filler 55 and the upper filler 53, and aquatic plants 52 are planted in the upper filler 53.

[0047] Specifically, such as Figure 1 , 3 As shown, the aquatic plants 52 in the artificial wetland 5 are preferably emergent plants such as reeds, irises, and calamus. The upper filler 53 is clean gravel with a particle size of 5-12 mm; the upper support layer 54 and the lower support layer 56 are both made of steel or fiberglass grating skeleton 541 and covered with porous screen 542.

[0048] The lower layer filler 55 can be a suspended filler, a hanging filler, or a fixed filler. The preferred fixed filler is biological ceramic granules with a particle size of 10-20mm; the preferred hanging filler is braided filler with a diameter of 80-150mm, with the upper end of the filler fixed to the upper support layer 54 and the lower end fixed to the lower support layer 56. The filler and emergent plants can be selected reasonably according to local conditions and adapted to local circumstances.

[0049] In an embodiment of the utility model, further, the structure of upper support layer 54 and lower support layer 56 is completely same, and upper support layer 54 includes steel or glass steel grating framework 541, and the top of grating framework 541 is covered with a layer of porous screen 542.

[0050] In an embodiment of the utility model, further, the top of anaerobic tank 4 and effluent tank 6 is provided with inspection cover 10, and the top of artificial wetland 5 is opened, when anaerobic tank 4 needs to check water quality or to dredge dregs, can be completed by opening the inspection cover 10 of anaerobic tank 4, when effluent tank 6 needs to check water quality or to dredge dregs, can be completed by opening the inspection cover 10 of anaerobic tank 4.

[0051] In an embodiment of the utility model, further, the upper portion of first partition 2 is provided with water inlet distribution hole 51, and anaerobic tank 4 is communicated with artificial wetland 5 through water inlet distribution hole 51.

[0052] In an embodiment of the utility model, further, percolation blind pipe 9 is cylindrical three-dimensional network structure 92, and the outside of three-dimensional network structure 92 is wrapped with a layer of filter membrane 91.

[0053] Specifically, as shown in Figure 5 The outer side of effluent pipe 8 is percolation blind pipe 9. Percolation blind pipe 9 is made of filter membrane 91 made of corrosion-resistant fiber and three-dimensional network structure 92 of modified polyethylene, and effluent pipe 8 is uniformly provided with overflow small holes 81 at the contact section of the two. The effluent enters the soil through overflow small holes 81, three-dimensional network structure 92 of percolation blind pipe 9 and the outermost filter membrane 91. This design can ensure the smoothness of effluent.

[0054] In an embodiment of the utility model, further, the power supply control device includes solar panel 65 and control cabinet 64, and energy storage battery is integrated in control cabinet 64, the energy storage battery is electrically connected with reuse pump 61 through wire, the energy storage battery is charged through solar panel 65, and solar panel 65 is placed in a place with sufficient sunlight.

[0055] The water return utilization device includes reuse pump 61, and reuse pump 61 is fixedly installed at the bottom of effluent tank 6, the output end of reuse pump 61 is communicated with one end of reuse water pipe 63, the other end of reuse water pipe 63 extends into the vegetable garden, and reuse pump 61 is electrically connected with control cabinet 64 through water pump control line 62.

[0056] Specifically, as shown in Figure 1 , 3 Reuse pump 61, water pump control line 62 and reuse water pipe 63 are arranged in effluent tank 6, and control box and solar panel 65 are arranged above the liquid level of effluent tank 6.

[0057] When the tail water is reused, the power switch in the control box is opened, the integrated energy storage battery in the control box controls the reuse pump 61 to be powered on and started through the pump control line 62.

[0058] The solar panel 65 is arranged at a sunny place such as a roof, a side wall, an empty land and the like, and charges the energy storage battery after generating electricity.

[0059] The above is only preferred embodiments of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An anaerobic pre-treatment modular constructed wetland comprising an anaerobic tank (4), a constructed wetland (5) and a water outlet tank (6), characterized in that, The left top of the anaerobic tank (4) is provided with a water inlet pipe (41), the water outlet end of the water inlet pipe (41) extends below the water surface and close to the bottom, the water outlet side of the anaerobic tank (4) is communicated with the water inlet side of the artificial wetland (5) below the water surface and close to the water surface, the lower support layer (56) is arranged in the artificial wetland (5) close to the bottom, the water collecting pipe (57) is arranged in the artificial wetland (5) below the lower support layer (56), the water outlet end of the water collecting pipe (57) extends vertically upward and is communicated with the water outlet tank (6), the water outlet side of the water outlet tank (6) is provided with a water outlet pipe (8) close to the top, the surface of the water outlet pipe (8) is uniformly provided with a plurality of overflow small holes (81), the outside of the water outlet pipe (8) is sleeved with a section of percolation blind pipe (9) corresponding to the plurality of overflow small holes (81), the water outlet tank (6) is provided with a water return utilization device, and the water return utilization device is controlled by a power supply control device.

2. The anaerobic pre-treatment modular constructed wetland according to claim 1, characterized in that, The anaerobic tank (4), the artificial wetland (5) and the water outlet tank (6) are an integrated tank (1), and are divided into two areas by arranging a first partition plate (2) in the middle.

3. The anaerobic pre-treatment modular constructed wetland according to claim 1, characterized in that, The anaerobic tank (4) and the artificial wetland (5) are an integrated tank (1), and are divided into three areas by arranging a first partition plate (2) and a second partition plate (3) in the tank.

4. An anaerobic pre-treatment modular constructed wetland according to claim 2 or 3, c h a r a c t e r i z e d in that, The water inlet pipe (41), the water outlet pipe (8) and the water collecting pipe (57) are all waterproof sealed by arranging sealing rings (7).

5. The anaerobic pre-treatment modular constructed wetland according to claim 2 or 3, characterized in that, The lower support layer (56) in the artificial wetland (5) is filled with a lower filler (55) and an upper filler (53) from bottom to top, an upper support layer (54) is arranged between the lower filler (55) and the upper filler (53), and aquatic plants (52) are planted in the upper filler (53).

6. The anaerobic pre-treatment modular constructed wetland according to claim 5, characterized in that, The upper support layer (54) and the lower support layer (56) have the same structure, and the upper support layer (54) comprises a steel or glass steel grid skeleton (541), and the top of the grid skeleton (541) is covered with a layer of porous screen (542).

7. The anaerobic pre-treatment modular constructed wetland according to claim 1, wherein, The top of the anaerobic tank (4) and the water outlet tank (6) is provided with an inspection cover (10), and the top of the artificial wetland (5) is open.

8. An anaerobic pre-treatment modular constructed wetland according to claim 2 or 3, wherein, The upper part of the first partition plate (2) is provided with a water inlet distribution hole (51), and the anaerobic tank (4) is communicated with the artificial wetland (5) through the water inlet distribution hole (51).

9. The anaerobic pre-treatment modular constructed wetland according to claim 1, wherein, The percolation blind pipe (9) has a cylindrical three-dimensional mesh structure (92), and the outer part of the three-dimensional mesh structure (92) is wrapped with a filter membrane (91).

10. The anaerobic pre-treatment modular constructed wetland according to claim 1, wherein, The power supply control device comprises a solar panel (65) and a control cabinet (64), the control cabinet (64) is integrated with an energy storage battery, the energy storage battery is electrically connected with a recycling pump (61) through wires, the energy storage battery is charged by the solar panel (65), and the solar panel (65) is placed in a place with sufficient sunlight. The water recycling device comprises a recycling pump (61) fixedly installed on the bottom of the water outlet pool (6), an output end of the recycling pump (61) is communicated with one end of a recycling water pipe (63), the other end of the recycling water pipe (63) extends into the vegetable garden, and the recycling pump (61) is electrically connected with the control cabinet (64) through a water pump control line (62).

Images