阅读说明：本技术 一种人工湿地污水处理系统 (Constructed wetland sewage treatment system ) 是由 刘晓峰 江寿良 邓红云 刘宗飞 聂建求 胡静 江子恒 王丹蕾 于 2021-09-03 设计创作，主要内容包括：本发明公开了一种人工湿地污水处理系统,包括絮凝池、沉淀池和人工湿地处理池,絮凝池内设有可转动的搅拌轴,搅拌轴的两端贯穿絮凝池的两侧,搅拌轴上设置有若干搅拌桨,絮凝池内还设有提升水泵一,提升水泵一的输出端设有与沉淀池连通的输水管一；分水管上设有水流缓冲组件,水流缓冲组件包括安装腔、转轴、安装环和若干叶片；沉淀池内设有提升水泵二,提升水泵二的输出端设有与人工湿地处理池的输水管二。本发明通过设置水流缓冲组件,有效的减小进入到沉淀池内水流的流速,提升了沉降池的沉降效果,同时,通过水流缓冲组件带动絮凝池内的搅拌轴搅动,提升了絮凝池内絮凝剂与污水的混合效果。(The invention discloses an artificial wetland sewage treatment system which comprises a flocculation tank, a sedimentation tank and an artificial wetland treatment tank, wherein a rotatable stirring shaft is arranged in the flocculation tank, two ends of the stirring shaft penetrate through two sides of the flocculation tank, a plurality of stirring paddles are arranged on the stirring shaft, a first lifting water pump is also arranged in the flocculation tank, and a first water delivery pipe communicated with the sedimentation tank is arranged at the output end of the first lifting water pump; a water flow buffering component is arranged on the water diversion pipe and comprises an installation cavity, a rotating shaft, an installation ring and a plurality of blades; and a second lifting water pump is arranged in the sedimentation tank, and a second water delivery pipe connected with the artificial wetland treatment tank is arranged at the output end of the second lifting water pump. According to the invention, the flow velocity of water flow entering the sedimentation tank is effectively reduced by arranging the water flow buffering component, the sedimentation effect of the sedimentation tank is improved, and meanwhile, the stirring shaft in the flocculation tank is driven to stir by the water flow buffering component, so that the mixing effect of a flocculating agent and sewage in the flocculation tank is improved.)

1. The utility model provides an artificial wetland sewage treatment system which characterized in that: the artificial wetland treatment device comprises a flocculation tank (1), a sedimentation tank (5) and an artificial wetland treatment tank, wherein a rotatable stirring shaft (22) is arranged in the flocculation tank (1), two ends of the stirring shaft (22) penetrate through two sides of the flocculation tank (1), a plurality of stirring paddles (23) are arranged on the stirring shaft (22), a first lifting water pump (21) is also arranged in the flocculation tank (1), and a first water conveying pipe (2) communicated with the sedimentation tank (5) is arranged at the output end of the first lifting water pump (21);

one end of the first water delivery pipe (2) in the sedimentation tank (5) is provided with a horizontal pipe (25) perpendicular to the water delivery pipe, a plurality of water distribution pipes (26) are uniformly distributed on the horizontal pipe (25), a water flow buffering assembly is arranged on each water distribution pipe (26), each water flow buffering assembly comprises an installation cavity (4), a rotating shaft (19), an installation ring (3) and a plurality of blades (20), two ends of each rotating shaft (19) penetrate through the installation cavity (4) and extend out of the sedimentation tank (5), the installation rings (3) are installed on one section of each rotating shaft (19) in the installation cavity (4), the blades (20) are uniformly distributed on the installation rings (3), and the rotating shafts (19) are in transmission connection with the stirring shafts (22);

and a second lifting water pump (18) is arranged in the sedimentation tank (5), and a second water delivery pipe (6) connected with the artificial wetland treatment tank is arranged at the output end of the second lifting water pump (18).

2. The constructed wetland sewage treatment system of claim 1, wherein: the artificial wetland treatment tank comprises a tank body (12), the interior of the tank body (12) is divided into an uplink vertical subsurface flow artificial wet area and a downlink vertical subsurface flow artificial wet area by a partition plate (15), the uplink vertical subsurface flow artificial wet area comprises a cobble layer (16), a nano composite material layer (17) and a plant matrix layer I (8) which are arranged from bottom to top, and a water delivery pipe II (6) is communicated with the cobble layer (16); the downward vertical subsurface flow constructed wetland area comprises a plant matrix layer II (9), an activated carbon filter layer (10) and a drainage layer (14) which are arranged from top to bottom, and a drainage pipe (13) communicated with the outside of the tank body (12) is arranged in the drainage layer (14).

3. The constructed wetland sewage treatment system of claim 2, wherein: a limestone filler layer (7) is laid between the nano composite material layer (17) and the first plant matrix layer (8).

4. The constructed wetland sewage treatment system of claim 2, wherein: and a microbial reaction layer (11) is arranged between the activated carbon filter layer (10) and the drainage layer (14).

5. The constructed wetland sewage treatment system of claim 2, wherein: wetland plants are planted on the first plant matrix layer (8) and the second plant matrix layer (9).

6. The constructed wetland sewage treatment system of claim 1, wherein: the both ends of stirring rake (23) are equipped with belt pulley (28), the both ends of pivot (19) are equipped with belt pulley two (27), through belt (24) transmission between belt pulley one (28) and belt pulley two (27).

7. The constructed wetland sewage treatment system of claim 1, wherein: be equipped with a plurality of axial holding tanks on pivot (19), be equipped with a plurality of axial bead (29) on the inner wall of collar (3), be equipped with arc reference column (31) on bead (29), the surface of arc reference column (31) is equipped with screw thread one, be equipped with arc gasbag post (30) in the holding tank, be equipped with the arc accommodation hole in arc gasbag post (30), be equipped with screw thread two on the pore wall of accommodation hole, arc reference column (31) with the cooperation of arc accommodation hole.

8. The constructed wetland sewage treatment system of claim 7, wherein: the arc-shaped air bag column (30) is attached to the surface of the accommodating groove.

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an artificial wetland sewage treatment system.

Background

With the increasing proportion of urban domestic sewage collection and treatment, rural distributed domestic sewage, rainwater runoff non-point source pollution and the like gradually become main pollution load sources of environmental problems. The artificial wetland is the best measure for solving the problem of low-flow domestic sewage. The planting density of the plants is improved, the nutrient elements such as nitrogen and phosphorus absorbed by the plants are increased, and meanwhile, a good aerobic environment is created due to the oxygen secretion of the plant root system, so that the removal of pollution load by biological action is improved. The root system layer is the position with the highest biological density and the highest pollution purification efficiency, so that the pollution removal effect is improved.

The existing artificial wetland has a common sewage treatment effect, so that the discharge amount does not reach the standard.

Disclosure of Invention

The invention aims to solve the problems that: the constructed wetland sewage treatment system is provided, and the flow velocity of water flow entering the sedimentation tank is effectively reduced by arranging the water flow buffer assembly, so that the sedimentation effect of the sedimentation tank is improved, and the sewage treatment effect is further improved; simultaneously, drive the (mixing) shaft stirring in the flocculation basin through rivers buffering subassembly, promoted the mixed effect of flocculating agent and sewage in the flocculation basin.

The technical scheme provided by the invention for solving the problems is as follows: the constructed wetland sewage treatment system comprises a flocculation tank, a sedimentation tank and a constructed wetland treatment tank, wherein a rotatable stirring shaft is arranged in the flocculation tank, two ends of the stirring shaft penetrate through two sides of the flocculation tank, a plurality of stirring paddles are arranged on the stirring shaft, a first lifting water pump is also arranged in the flocculation tank, and a first water delivery pipe communicated with the sedimentation tank is arranged at the output end of the first lifting water pump;

one end of the water delivery pipe, which is positioned in the sedimentation tank, is provided with a horizontal pipe perpendicular to the water delivery pipe, a plurality of water distribution pipes are uniformly distributed on the horizontal pipe, a water flow buffering assembly is arranged on each water distribution pipe and comprises an installation cavity, a rotating shaft, an installation ring and a plurality of blades, two ends of each rotating shaft penetrate through the installation cavity and extend out of the sedimentation tank, the installation ring is installed on one section of the rotating shaft, which is positioned in the installation cavity, the blades are uniformly distributed on the installation ring, and the rotating shaft is in transmission connection with a stirring shaft;

and a second lifting water pump is arranged in the sedimentation tank, and a second water delivery pipe connected with the artificial wetland treatment tank is arranged at the output end of the second lifting water pump.

Preferably, the artificial wetland treatment tank comprises a tank body, the inside of the tank body is divided into an uplink vertical subsurface flow artificial wet area and a downlink vertical subsurface flow artificial wet area by a partition plate, the uplink vertical subsurface flow artificial wet area comprises a cobblestone layer, a nano composite material layer and a plant matrix layer I which are arranged from bottom to top, and the water delivery pipe II is communicated with the cobblestone layer; the downward vertical subsurface flow constructed wetland area comprises a plant substrate layer II, an activated carbon filter layer and a drainage layer which are arranged from top to bottom, and a drainage pipe communicated with the outside of the pool body is arranged in the drainage layer.

Preferably, a limestone filler layer is paved between the nano composite material layer and the first plant matrix layer.

Preferably, a microorganism reaction layer is arranged between the activated carbon filter layer and the drainage layer.

Preferably, wetland plants are planted on the first plant matrix layer and the second plant matrix layer.

Preferably, the both ends of stirring rake are equipped with belt pulley one, the both ends of pivot are equipped with belt pulley two, pass through belt transmission between belt pulley one and the belt pulley two.

Preferably, be equipped with a plurality of axial holding tanks in the pivot, be equipped with a plurality of axial beads on the inner wall of collar, be equipped with the arc reference column on the bead, the surface of arc reference column is equipped with screw thread one, be equipped with arc gasbag post in the holding tank, be equipped with the arc accommodation hole in the arc gasbag post, be equipped with screw thread two on the pore wall of accommodation hole, the arc reference column with the cooperation of arc accommodation hole.

Preferably, the arc-shaped airbag column is attached to the surface of the accommodating groove.

Compared with the prior art, the invention has the advantages that: according to the invention, the water flow buffering assembly is arranged, so that the flow velocity of water flow entering the sedimentation tank is effectively reduced, the sedimentation effect of the sedimentation tank is improved, and the sewage treatment effect is further improved; meanwhile, the stirring shaft in the flocculation tank is driven to stir through the water flow buffering component, so that the mixing effect of the flocculating agent and the sewage in the flocculation tank is improved, and the effects of energy conservation and emission reduction are achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a flocculation basin and a sedimentation basin of the present invention;

FIG. 3 is a schematic view of the position of the flow buffering assembly, horizontal pipe and water knock out pipe of the present invention;

FIG. 4 is an enlarged schematic view of the water flow dampening assembly of the present invention;

FIG. 5 is an enlarged view of the curved positioning post and curved airbag post of the present invention.

The attached drawings are marked as follows: 1. the device comprises a flocculation tank, 2, a first water delivery pipe, 3, a mounting ring, 4, a mounting cavity, 5, a sedimentation tank, 6, a second water delivery pipe, 7, a limestone packing layer, 8, a first plant matrix layer, 9, a second plant matrix layer, 10, an activated carbon filter layer, 11, a microbial reaction layer, 12, a tank body, 13, a drain pipe, 14, a drainage layer, 15, a partition plate, 16, a cobble layer, 17, a nano composite material layer, 18, a second lifting water pump, 19, a rotating shaft, 20, blades, 21, a first lifting water pump, 22, a stirring shaft, 23, a stirring paddle, 24, a belt, 25, a horizontal pipe, 26, a water diversion pipe, 27, a second belt pulley, 28, a first belt pulley, 29, a rib, 30, an arc-shaped air bag column, 31, an arc-shaped positioning column, 32 and a limiting block.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present invention can be fully understood and implemented.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The specific embodiment of the invention is shown in fig. 1-3, and the constructed wetland sewage treatment system comprises a flocculation tank 1, a sedimentation tank 5 and an constructed wetland treatment tank, wherein a rotatable stirring shaft 22 is arranged in the flocculation tank 1, two ends of the stirring shaft 22 penetrate through two sides of the flocculation tank 1, a plurality of stirring paddles 23 are arranged on the stirring shaft 22, a first lifting water pump 21 is also arranged in the flocculation tank 1, and a first water delivery pipe 2 communicated with the sedimentation tank 5 is arranged at the output end of the first lifting water pump 21;

one end of the first water delivery pipe 2, which is positioned in the sedimentation tank 5, is provided with a horizontal pipe 25 perpendicular to the water delivery pipe, a plurality of water distribution pipes 26 are uniformly distributed on the horizontal pipe 25, a water flow buffering assembly is arranged on each water distribution pipe 26, each water flow buffering assembly comprises an installation cavity 4, a rotating shaft 19, an installation ring 3 and a plurality of blades 20, two ends of each rotating shaft 19 penetrate through the installation cavity 4 and extend out of the sedimentation tank 5, the installation ring 3 is installed on one section of each rotating shaft 19, which is positioned in the installation cavity 4, the plurality of blades 20 are uniformly distributed on the installation ring 3, and each rotating shaft 19 is in transmission connection with a stirring shaft 22;

a second lifting water pump 18 is arranged in the sedimentation tank 5, and a second water delivery pipe 6 connected with the artificial wetland treatment tank is arranged at the output end of the second lifting water pump 18.

Specifically, sewage in the flocculation tank enters a water delivery pipe I through a first lifting pump, then enters a mounting cavity on a water diversion pipe, drives blades and a mounting ring to rotate, and further drives a stirring shaft to rotate, so that the stirring of the sewage in the flocculation tank is completed, the sewage in the flocculation tank is fully stirred with a flocculating agent or other agents and then conveyed into a sedimentation tank for sedimentation, so that on one hand, the flow velocity of the sewage entering the sedimentation tank is slowed down through a water flow buffering assembly, the impact on the settled pollutants in the sedimentation tank body is reduced, and meanwhile, the impact on the settled pollutants in the sedimentation tank body is further reduced by diverting the sewage in the conveying pipe into a plurality of water diversion pipes, and the sedimentation effect of the sedimentation tank is improved; on the other hand, the rotating shaft is driven to rotate through the blades so as to drive the stirring shaft to stir and stir the sewage in the flocculation tank, the power generated by the water flow buffering component is fully utilized, and the effects of energy conservation and emission reduction are achieved.

In this embodiment, the artificial wetland treatment tank comprises a tank body 12, the inside of the tank body 12 is divided into an upstream vertical subsurface flow artificial wet area and a downstream vertical subsurface flow artificial wet area by a partition plate 15, the upstream vertical subsurface flow artificial wet area comprises a cobble layer 16, a nanocomposite layer 17 and a plant matrix layer I8 which are arranged from bottom to top, and the water delivery pipe II 6 is communicated with the cobble layer 16; the descending vertical subsurface flow constructed wetland area comprises a plant matrix layer II 9, an activated carbon filter layer 10 and a drainage layer 14 which are arranged from top to bottom, and a drainage pipe 13 communicated with the outside of the tank body 12 is arranged in the drainage layer 14. Through setting up the artifical wet area of ascending vertical undercurrent and the artifical wet area of descending vertical undercurrent, the effectual time that has promoted sewage and stayed in the cell body to the sewage treatment effect has been promoted.

The nano composite material is MuFe-Na, and the nitrogen and phosphorus removal efficiency of the artificial wetland sewage treatment process is enhanced by means of the strong adsorption capacity, photocatalytic efficiency and high photodegradation efficiency of the nano composite material.

The plant matrix layer I and the plant matrix layer II have great adsorption functions, can intercept and adsorb suspended particles in water, and the fresh water can promote the flow of sewage, belong to important components of the artificial wetland, have the capacity of decomposing and converting organic matters and other substances, and can achieve the aim of sewage purification by matching the plant matrix layer I, the plant matrix layer II and the plant.

In this embodiment, a limestone filler layer 7 is laid between the nano composite material layer 17 and the plant matrix layer one 8.

In the embodiment, a microorganism reaction layer 11 is arranged between the activated carbon filter layer 10 and the drainage layer 14.

In this embodiment, wetland plants are planted on the first plant matrix layer 8 and the second plant matrix layer 9.

In this embodiment, the two ends of the stirring paddle 23 are provided with a first belt pulley 28, the two ends of the rotating shaft 19 are provided with a second belt pulley 27, and the first belt pulley 28 and the second belt pulley 27 are driven by a belt 24.

In this embodiment, be equipped with a plurality of axial holding tanks on the pivot 19, be equipped with a plurality of axial beads 29 on the inner wall of collar 3, be equipped with arc reference column 31 on the bead 29, the surface of arc reference column 31 is equipped with screw thread one, be equipped with arc gasbag post 30 in the holding tank, be equipped with the arc accommodation hole in the arc gasbag post 30, be equipped with screw thread two on the pore wall of accommodation hole, arc reference column 31 with the cooperation of arc accommodation hole. The water flow entering the mounting cavity can impact the water flow buffer assembly to a certain extent, the mounting ring and the blades can be damaged by long-term impact of the water flow, the arc-shaped air bag column plays a role in buffering, and in order to enable the stress area of the arc-shaped air bag column to be larger, the arc-shaped air bag column is in threaded connection with the arc-shaped positioning column; because the arc gasbag post can take place deformation, so, the arc reference column can be smooth screw into in the arc accommodation hole, use the arc gasbag post to cushion here, can not produce the corrosion for spring buffering, can bring a fine buffering for collar and blade, promote the life of collar and blade.

More specifically, in above-mentioned embodiment, still be provided with stopper 32 in the holding tank, when bead and arc reference column compression arc gasbag post, certain deformation back takes place for the arc gasbag post, bead and stopper contact, and the stopper plays a limiting displacement to the bead, prevents that the buffering gasbag from receiving the pressure damage that surpasss the threshold value.

Further, the arc-shaped airbag pillar 30 is attached to the surface of the receiving groove.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.