CN114149152A

CN114149152A - Constructed wetland denitrification sewage treatment device and sewage treatment method

Info

Publication number: CN114149152A
Application number: CN202111556962.1A
Authority: CN
Inventors: 梁契宗; 何岚轩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-03-08

Abstract

The invention discloses a constructed wetland denitrification sewage treatment device and a sewage treatment method, belonging to the technical field of sewage treatment devices and comprising a purification tank, a water inlet, an exhaust blocking mechanism and a dynamic plug-flow mechanism, wherein one side of the top of the purification tank is provided with the water inlet, the top of the purification tank is provided with the exhaust blocking mechanism, the interior of the purification tank is provided with the dynamic plug-flow mechanism, the exhaust blocking mechanism comprises electric telescopic columns fixedly connected to four corners of the top end of the purification tank and a closed cover fixedly connected to the top ends of the electric telescopic columns, and the dynamic plug-flow mechanism comprises a second belt wheel shaft rotatably connected to the inner wall of the purification tank and a plug-flow plate fixedly connected to the second belt wheel shaft. Through setting up exhaust separation mechanism, can prevent that the pungent smell that sewage gived off from diffusing out, be favorable to reducing the environmental pollution near the purification tank, through setting up dynamic plug flow mechanism for sewage flows at the internal circulation of purification tank, improves denitrification reaction's speed, improves the purifying effect to sewage.

Description

Constructed wetland denitrification sewage treatment device and sewage treatment method

Technical Field

The invention relates to the technical field of sewage treatment devices, in particular to an artificial wetland denitrification sewage treatment device and a sewage treatment method.

Background

The artificial wetland sewage treatment technology is characterized in that a marsh-like wetland is built, sewage is added to the wetland, and pollutants (organic matters) in the sewage are converted and removed by utilizing physical, chemical and biological effects of soil, artificial media, plants and the like. Nitrogen pollution is one of the main problems of surface water body pollution, and high-NOx-ratio and low-C/N-ratio sewage such as tail water of urban sewage plants and farmland drainage is one of the main sources of surface and underground water body nitrogen pollution, and needs to be treated to prevent water body pollution and eutrophication.

The existing artificial wetland sewage treatment device is usually open, and because the sewage contains pungent gases such as ammonia gas, the pungent smell is often given off to the periphery when the sewage is treated, the environment is polluted, and the bad influence is generated to the life of nearby residents. In addition, after the sewage is introduced into the conventional artificial wetland sewage treatment device, the sewage is similar to a static state in the artificial wetland sewage treatment device, so that the sewage and oxygen are not sufficiently mixed, and finally, the denitrification reaction speed is low.

For example, chinese patent application No. 202011202985.8 discloses an artificial wetland sewage treatment device, which comprises: sewage gets into from the outlet pipe, get into in the leading filter through flow control valve, then stay great pollutant in the leading filter and handle, sewage passes through the water distributor and scatters to first pond, make elements such as nitrogen phosphorus in the sewage can be handled by vegetable layer and denitrification layer, and insoluble in water impurity is adsorbed on the sandstone layer, then sewage permeates the second pond through the bottom opening, loop through the denitrification layer, the sandstone layer, the vegetable layer is purified the back and is flowed into the third pond through first recess, handle then discharge sewage with the same mode with first pond, when needs handle the biggest first pond of sewage treatment load, only need lift up the stack frame change and wash can, sewage can continue to be purified by subsequent clarification plant, thereby can not interrupt the process. However, the device is open, and when the sewage is treated, pungent odor is easily emitted to the surrounding, so that the environment is polluted.

Disclosure of Invention

The invention aims to provide a constructed wetland denitrification sewage treatment device and a sewage treatment method, by arranging an exhaust blocking mechanism, after the sewage is led into the purifying tank, the closed cover is driven to descend to seal the top of the purifying tank, so that the pungent smell emitted by the sewage can be prevented from being diffused out, then the motor is started intermittently, the air exhaust fan pumps the pungent smell emitted by the sewage into the odor purifying box, thereby purifying the pungent odor and then discharging the odor, being beneficial to reducing the environmental pollution near the purifying tank, and through arranging the dynamic plug flow mechanism, in the process of starting the motor, sewage circularly flows in the purification tank, the aeration module is started at the moment, and the sewage flows in the process of being fully mixed with oxygen, so that the denitrification reaction rate is increased, the purification effect on the sewage is improved, and the problem in the background technology is solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an artificial wetland denitrogenation sewage treatment plant, includes purification tank, water inlet, exhaust separation mechanism, developments plug flow mechanism, and top one side of purification tank is provided with the water inlet, and exhaust separation mechanism is installed at the top of purification tank, and the internally mounted of purification tank has developments plug flow mechanism.

Exhaust separation mechanism includes the electronic flexible post of fixed connection in purification tank top four corners and the airtight lid of fixed connection at electronic flexible capital end, and the top fixed mounting of airtight lid has the motor, and the bottom of airtight lid is connected with the fan of bleeding, and the fan of bleeding is connected with motor drive.

The dynamic flow pushing mechanism comprises a second pulley shaft which is rotatably connected to the inner wall of the purification tank and a flow pushing plate which is fixedly connected to the second pulley shaft, and the second pulley shaft is in transmission connection with the motor.

Further, the center of airtight lid rotates and is connected with the main shaft, the first transmission bevel gear of top fixedly connected with of main shaft, the output of motor stretches into the inside and the fixedly connected with initiative bevel gear of airtight lid, and the initiative bevel gear is connected with the meshing of first transmission bevel gear, exhaust fan fixed connection is at the middle part of main shaft, the bottom fixedly connected with of main shaft stirs the board, the top fixedly connected with elastic tube of airtight lid is provided with the foul smell purifying box in the position that is close to the purifying pond, through connection has the pipe between foul smell purifying box and the elastic tube.

Furthermore, the middle of the main shaft is fixedly connected with a second transmission bevel gear, the bottom of the sealing cover is rotatably connected with four driven shafts, the four driven shafts are respectively perpendicular to four side walls of the sealing cover, one end of each driven shaft is fixedly connected with a first driven bevel gear, the first driven bevel gear is meshed with the second transmission bevel gear, and the other end of each driven shaft is fixedly connected with a second driven bevel gear.

Furthermore, the number of the second pulley shafts is 4, the four second pulley shafts are respectively rotatably connected to four side walls of the purification tank, the top of the purification tank is rotatably connected with four first pulley shafts, one end of each first pulley shaft is fixedly connected with a flow pushing bevel gear, the flow pushing bevel gear is located below the second driven bevel gear, and the first pulley shafts are in transmission connection with the second pulley shafts.

Furthermore, one end of the first belt pulley shaft, which is far away from the flow pushing bevel gear, is fixedly connected with a first belt pulley, one end of the second belt pulley shaft extends into the side wall of the purification tank and is fixedly connected with a second belt pulley, and a flow pushing belt is sleeved between the second belt pulley and the first belt pulley.

Further, one side fixedly connected with drainage pipe of water inlet is kept away from to the bottom of purification tank, drainage pipe's inside swing joint has the filter, the filter slope sets up in drainage pipe, a plurality of aperture has been seted up on the filter, drainage pipe's inside is rotated in the top of filter and is connected with the atress axle, the epaxial fixedly connected with a plurality of atress board of atress, and the atress axle is connected with the filter transmission, drainage pipe's top swing joint has the apron, one side fixedly connected with handle of apron, the tip of handle is located the outside of purification tank, drainage pipe's bottom joint has the collection box.

Furthermore, one end of the stress shaft extends into the side wall of the drainage pipeline and is fixedly connected with a stress belt wheel, a shaking shaft is rotatably connected below the stress belt wheel in the side wall of the drainage pipeline, one end of the shaking shaft is fixedly connected with a transmission belt wheel, and a transmission belt is sleeved between the transmission belt wheel and the stress belt wheel.

Furthermore, one end, far away from the transmission belt wheel, of the shaking shaft is fixedly connected with a rotary table, a sliding column is fixedly connected to the upper portion of the rotary table in the side wall of the drainage pipeline, a sliding block is connected to the sliding column in a sliding mode, a connecting rod is arranged between the sliding block and the rotary table, one end of the connecting rod is hinged to the sliding block, the other end of the connecting rod is hinged to the rotary table, and the sliding block is fixedly connected with the filter plate.

Furthermore, an aeration module is fixedly installed on the side wall of the purification tank, and a grid plate is arranged at the bottom of the purification tank above the drainage pipeline.

According to another aspect of the invention, the implementation method of the artificial wetland denitrification sewage treatment device comprises the following steps:

the method comprises the following steps: opening a water inlet to guide the sewage into the interior of the purification tank, starting the electric telescopic column to drive the closed cover to descend, and closing the top of the purification tank;

step two: intermittently starting the motor, driving the air exhaust fan to exhaust the pungent smell emitted by the sewage, and pumping the pungent smell into the odor purification box for purification;

step three: and (3) starting the aeration module, leading oxygen into the sewage in the purification tank, driving the dynamic plug flow mechanism to operate by the motor, driving the plug flow plate to rotate by the second belt wheel shaft, and pushing the sewage in the purification tank to flow by the plug flow plate.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the constructed wetland denitrification sewage treatment device and the sewage treatment method, the exhaust blocking mechanism is arranged, after sewage is introduced into the purification tank, the sealing cover is driven to descend to seal the top of the purification tank, so that the nasal odor emitted by the sewage can be prevented from being diffused, then the motor is started intermittently, and the air exhaust fan sucks the nasal odor emitted by the sewage into the odor purification box, so that the nasal odor is purified and then is discharged, and the reduction of environmental pollution nearby the purification tank is facilitated. The main part of airtight lid is the glass material, for the convenience of sunshine shines the inside of entering the purifying tank for the inside plant of purifying tank can carry out photosynthesis better. When the main shaft drives the suction fan and the stirring plate to rotate, the stirring plate stirs sewage to enable the sewage to flow in the purifying tank.

2. According to the constructed wetland denitrification sewage treatment device and the sewage treatment method provided by the invention, the dynamic plug flow mechanism is arranged, the motor can drive the four second pulley shafts to rotate simultaneously in the starting process of the motor, the second pulley shafts push sewage through the plug flow plates when rotating, so that the sewage circularly flows in the purification tank, the aeration module is started at the moment, oxygen is introduced into the purification tank, and the sewage is fully mixed with the oxygen in the flowing process, so that the denitrification reaction speed is increased, and the purification effect on the sewage is improved. And the thrust plate is combined with the stirring plate, so that all the sewage in the purifying tank is in a flowing state, and compared with a static state, the dynamic water flow can accelerate the denitrification reaction speed in the sewage.

3. When water flows pass through the stress plate, the stress shaft is driven by the water flow to rotate, the stress shaft drives the filter plate to shake back and forth, floating plants carried in the water flow are blocked by the filter plate, and when the filter plate shakes, the floating plants fall into the collection box, so that the filter plate can be prevented from being blocked by the floating plants, the floating plants can be collected, the collection box is taken down after drainage is finished, and then the floating plants in the collection box are thrown into the purification tank again.

Drawings

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

FIG. 2 is a front view of FIG. 1 of the present invention;

FIG. 3 is a schematic view showing the internal structure of the purification tank of the present invention;

FIG. 4 is a top view of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic view showing the internal structure of the drainpipe of the present invention;

FIG. 6 is a cross-sectional view of the invention of FIG. 5;

FIG. 7 is a schematic structural diagram of a dynamic plug flow mechanism of the present invention;

FIG. 8 is a schematic view of the connecting structure of the shaking shaft according to the present invention;

FIG. 9 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 10 is an enlarged view of the portion B shown in FIG. 2 according to the present invention.

In the figure: 1. a purification tank; 2. a water inlet; 3. a water discharge pipeline; 31. a filter plate; 311. a collection box; 32. a stress plate; 33. a cover plate; 34. a handle; 35. a force-bearing shaft; 36. a stressed pulley; 37. a drive pulley; 38. a shaking shaft; 381. a turntable; 382. a connecting rod; 383. a slider; 384. a traveler; 39. a drive belt; 4. an exhaust blocking mechanism; 41. an electric telescopic column; 42. a sealing cover; 43. an elastic tube; 44. a conduit; 45. an odor purifying box; 46. a motor; 47. an air extracting fan; 48. a main shaft; 481. a drive bevel gear; 482. a first drive bevel gear; 483. a second drive bevel gear; 484. a first driven bevel gear; 485. a driven shaft; 486. a second driven bevel gear; 49. stirring the plate; 5. a dynamic plug flow mechanism; 51. a first pulley shaft; 52. a plug flow bevel gear; 53. a thrust plate; 54. a second pulley shaft; 511. a first pulley; 512. a plug flow belt; 513. a second pulley; 6. an aeration module; 7. and (4) a grid plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an artificial wetland denitrification sewage treatment device comprises a purification tank 1, a water inlet 2, an exhaust blocking mechanism 4 and a dynamic plug flow mechanism 5, wherein the water inlet 2 is arranged on one side of the top of the purification tank 1, the exhaust blocking mechanism 4 is arranged on the top of the purification tank 1, the dynamic plug flow mechanism 5 is arranged inside the purification tank 1, and an aeration module 6 is fixedly arranged on the side wall of the purification tank 1. When carrying out nitrogen removal treatment to sewage, open water inlet 2 earlier, with the leading-in inside of purifying tank 1 of sewage, the inside planting of purifying tank 1 has emergent aquatic plants and floating plants, is convenient for carry out nitrogen removal purification to sewage, and stone and earth have been laid to the inside bottom of purifying tank 1, form the constructed wetland environment with the plant.

Referring to fig. 2 and 9, the exhaust blocking mechanism 4 includes electric telescopic columns 41 fixedly connected to four corners of the top of the purification tank 1 and a sealing cover 42 fixedly connected to the top of the electric telescopic columns 41, a motor 46 is fixedly installed on the top of the sealing cover 42, an air extracting fan 47 is connected to the bottom of the sealing cover 42, the air extracting fan 47 is in transmission connection with the motor 46, a main shaft 48 is rotatably connected to the center of the sealing cover 42, a first transmission bevel gear 482 is fixedly connected to the top of the main shaft 48, an output end of the motor 46 extends into the sealing cover 42 and is fixedly connected to a driving bevel gear 481, and the driving bevel gear 481 is engaged with the first transmission bevel gear 482, the suction fan 47 is fixedly connected with the middle part of the main shaft 48, the bottom end of the main shaft 48 is fixedly connected with the stirring plate 49, the top end of the closed cover 42 is fixedly connected with the elastic tube 43, an odor purifying box 45 is provided at a position close to the purification tank 1, and a duct 44 is connected between the odor purifying box 45 and the elastic tube 43. After leading-in the inside of purifying tank 1 with sewage, start electronic flexible post 41 drive airtight lid 42 and descend earlier, seal the top of purifying tank 1, then intermittent type formula starter motor 46, motor 46 drives the extraction fan 47 and rotates, and extraction fan 47 gets into elastic tube 43 with the pungent gas suction that sewage gived off, gets into the inside of foul smell purifying box 45 by pipe 44 again to purify the pungent gas and discharge out again, be favorable to reducing the environmental pollution near purifying tank 1. The main body of the sealing cover 42 is made of glass, so that sunlight can be irradiated into the purifying tank 1 conveniently, and plants in the purifying tank 1 can be better subjected to photosynthesis. When the motor 46 rotates, the main shaft 48 is driven to rotate by the driving bevel gear 481 and the first transmission bevel gear 482, the main shaft 48 drives the suction fan 47 and the stirring plate 49 to rotate, and the stirring plate 49 stirs the sewage so that the sewage can flow in the purification tank 1.

Referring to fig. 2, 8 and 9, a second transmission bevel gear 483 is fixedly connected to the middle of the main shaft 48, four driven shafts 485 are rotatably connected to the bottom of the sealing cover 42, the four driven shafts 485 are respectively perpendicular to four side walls of the sealing cover 42, a first driven bevel gear 484 is fixedly connected to one end of each driven shaft 485, the first driven bevel gear 484 is in meshed connection with a second transmission bevel gear 483, and a second driven bevel gear 486 is fixedly connected to the other end of each driven shaft 485. When the main shaft 48 rotates, the driven shaft 485 is driven to rotate by the second transmission bevel gear 483 and the first driven bevel gear 484, and the driven shaft 485 drives the second driven bevel gear 486 to rotate.

Referring to fig. 3, 7 and 10, the dynamic plug flow mechanism 5 includes a second pulley shaft 54 rotatably connected to the inner wall of the purification tank 1 and a plug flow plate 53 fixedly connected to the second pulley shaft 54, the second pulley shaft 54 is in transmission connection with the motor 46, the number of the second pulley shafts 54 is four, the four second pulley shafts 54 are respectively rotatably connected to four side walls of the purification tank 1, the top of the purification tank 1 is rotatably connected with four first pulley shafts 51, one end of each first pulley shaft 51 is fixedly connected with a plug flow bevel gear 52, the plug flow bevel gear 52 is located below a second driven bevel gear 486, and the first pulley shafts 51 are in transmission connection with the second pulley shafts 54. After the sealing cover 42 descends and is closed, the second driven bevel gear 486 is meshed with the plug bevel gear 52, when the second driven bevel gear 486 rotates, the first pulley shaft 51 is driven to rotate by the plug bevel gear 52, the first pulley shaft 51 drives the second pulley shaft 54 to rotate, when the second pulley shaft 54 rotates, sewage is pushed by the plug plate 53, so that the sewage flows in the purification tank 1, the second pulley shaft 54 and the plug plate 53 are arranged on the four side walls of the purification tank 1, the motor 46 drives the four second pulley shafts 54 to rotate simultaneously, so that the sewage circularly flows in the purification tank 1, at the moment, the aeration module 6 is started, oxygen is introduced into the purification tank 1, the sewage is fully mixed with the oxygen in the flowing process, the denitrification reaction rate is increased, and the purification effect on the sewage is improved.

Referring to fig. 7, one end of the first pulley shaft 51 far from the plug bevel gear 52 is fixedly connected with a first pulley 511, one end of the second pulley shaft 54 extends into the sidewall of the purification tank 1 and is fixedly connected with a second pulley 513, and a plug belt 512 is sleeved between the second pulley 513 and the first pulley 511.

Refer to fig. 1, fig. 5, fig. 6, one side fixedly connected with drainage pipe 3 of water inlet 2 is kept away from to the bottom of purification tank 1, drainage pipe 3's inside swing joint has filter 31, the slope of filter 31 sets up in drainage pipe 3, a plurality of aperture has been seted up on the filter 31, drainage pipe 3's inside is rotated in the top of filter 31 and is connected with atress axle 35, fixedly connected with a plurality of atress board 32 on the atress axle 35, and atress axle 35 is connected with the filter 31 transmission, drainage pipe 3's top swing joint has apron 33, one side fixedly connected with handle 34 of apron 33, the tip of handle 34 is located the outside of purification tank 1, drainage pipe 3's bottom joint has collection box 311, the bottom of purification tank 1 is provided with grid plate 7 in drainage pipe 3's top. The grid plate 7 can prevent the large-sized objects from entering the drain pipe 3, and after the sewage is purified, the cover plate 33 is opened by pulling the handle 34, and the purified water flows out of the purification tank 1 through the drain pipe 3. When rivers pass through atress board 32, the impact force of rivers drives atress axle 35 through atress board 32 and rotates, atress axle 35 drives filter 31 and makes a round trip to rock, the floating plant who carries in the rivers is blockked by filter 31, floating plant falls into the inside of collecting box 311 when filter 31 rocks, can prevent that floating plant from blockking up filter 31, and can collect floating plant, will collect box 311 and take off after the drainage finishes, then put into the inside of purifying pond 1 with its inside floating plant again.

Referring to fig. 6 and 8, one end of the stressed shaft 35 extends into the side wall of the drainage pipeline 3 and is fixedly connected with a stressed belt wheel 36, a shaking shaft 38 is rotatably connected below the stressed belt wheel 36 in the side wall of the drainage pipeline 3, one end of the shaking shaft 38 is fixedly connected with a transmission belt wheel 37, a transmission belt 39 is sleeved between the transmission belt wheel 37 and the stressed belt wheel 36, one end of the shaking shaft 38, which is far away from the transmission belt wheel 37, is fixedly connected with a turntable 381, a sliding column 384 is fixedly connected above the turntable 381 in the side wall of the drainage pipeline 3, a sliding block 383 is slidably connected on the sliding column 384, a connecting rod 382 is arranged between the sliding block 383 and the turntable 381, one end of the connecting rod 382 is hinged with the sliding block 383, the other end of the connecting rod 382 is hinged with the turntable 381, and the sliding block 383 is fixedly connected with the filter plate 31. When the stressed shaft 35 rotates, the shaking shaft 38 is driven to rotate, the shaking shaft 38 drives the sliding block 383 to move back and forth through the rotating disc 381 and the connecting rod 382, and the sliding block 383 drives the filter plate 31 to shake back and forth.

Referring to fig. 1 to 10, in order to better show the flow of the implementation method of the artificial wetland denitrification sewage treatment device, the embodiment now provides an implementation method of the artificial wetland denitrification sewage treatment device, which includes the following steps:

the method comprises the following steps: opening the water inlet 2 to introduce the sewage into the interior of the purification tank 1, starting the electric telescopic column 41 to drive the closed cover 42 to descend, and closing the top of the purification tank 1;

step two: intermittently starting the motor 46, driving the air suction fan 47 to suck away the pungent smell emitted by the sewage, and sucking the pungent smell into the odor purification box 45 for purification;

step three: the aeration module 6 is started, oxygen is led into the sewage in the purification tank 1, the motor 46 drives the dynamic plug flow mechanism 5 to operate, the second pulley shaft 54 drives the plug flow plate 53 to rotate, and the plug flow plate 53 pushes the sewage in the purification tank 1 to flow.

In summary, the following steps: after leading-in the inside of purifying tank 1 with sewage, start electronic flexible post 41 drive airtight lid 42 and descend earlier, seal the top of purifying tank 1, then intermittent type formula starter motor 46, motor 46 drives the extraction fan 47 and rotates, and extraction fan 47 gets into elastic tube 43 with the pungent gas suction that sewage gived off, gets into the inside of foul smell purifying box 45 by pipe 44 again to purify the pungent gas and discharge out again, be favorable to reducing the environmental pollution near purifying tank 1. The main body of the sealing cover 42 is made of glass, so that sunlight can be irradiated into the purifying tank 1 conveniently, and plants in the purifying tank 1 can be better subjected to photosynthesis. When the motor 46 rotates, the main shaft 48 is driven to rotate by the driving bevel gear 481 and the first transmission bevel gear 482, the main shaft 48 drives the suction fan 47 and the stirring plate 49 to rotate, and the stirring plate 49 stirs the sewage so that the sewage can flow in the purification tank 1.

When the main shaft 48 rotates, the driven shaft 485 is driven to rotate by the second transmission bevel gear 483 and the first driven bevel gear 484, and the driven shaft 485 drives the second driven bevel gear 486 to rotate. After the sealing cover 42 descends and is closed, the second driven bevel gear 486 is meshed with the plug bevel gear 52, when the second driven bevel gear 486 rotates, the first pulley shaft 51 is driven to rotate by the plug bevel gear 52, the first pulley shaft 51 drives the second pulley shaft 54 to rotate, when the second pulley shaft 54 rotates, sewage is pushed by the plug plate 53, so that the sewage flows in the purification tank 1, the second pulley shaft 54 and the plug plate 53 are arranged on the four side walls of the purification tank 1, the motor 46 drives the four second pulley shafts 54 to rotate simultaneously, so that the sewage circularly flows in the purification tank 1, at the moment, the aeration module 6 is started, oxygen is introduced into the purification tank 1, the sewage is fully mixed with the oxygen in the flowing process, the denitrification reaction rate is increased, and the purification effect on the sewage is improved.

The grid plate 7 can prevent the large-sized objects from entering the drain pipe 3, and after the sewage is purified, the cover plate 33 is opened by pulling the handle 34, and the purified water flows out of the purification tank 1 through the drain pipe 3. When rivers pass through atress board 32, the impact force of rivers drives atress axle 35 through atress board 32 and rotates, atress axle 35 drives filter 31 and makes a round trip to rock, the floating plant who carries in the rivers is blockked by filter 31, floating plant falls into the inside of collecting box 311 when filter 31 rocks, can prevent that floating plant from blockking up filter 31, and can collect floating plant, will collect box 311 and take off after the drainage finishes, then put into the inside of purifying pond 1 with its inside floating plant again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an artificial wetland denitrogenation sewage treatment plant which characterized in that: the device comprises a purification tank (1), a water inlet (2), an exhaust blocking mechanism (4) and a dynamic plug flow mechanism (5), wherein the water inlet (2) is arranged on one side of the top of the purification tank (1), the exhaust blocking mechanism (4) is arranged on the top of the purification tank (1), and the dynamic plug flow mechanism (5) is arranged in the purification tank (1);

the exhaust blocking mechanism (4) comprises electric telescopic columns (41) fixedly connected to four corners of the top end of the purification tank (1) and a closed cover (42) fixedly connected to the top end of each electric telescopic column (41), a motor (46) is fixedly mounted at the top of each closed cover (42), the bottom of each closed cover (42) is connected with an air suction fan (47), and each air suction fan (47) is in transmission connection with the motor (46);

the dynamic plug flow mechanism (5) comprises a second pulley shaft (54) rotatably connected to the inner wall of the purification tank (1) and a plug flow plate (53) fixedly connected to the second pulley shaft (54), and the second pulley shaft (54) is in transmission connection with the motor (46).

2. The constructed wetland denitrification sewage treatment device according to claim 1, characterized in that: the center of airtight lid (42) rotates and is connected with main shaft (48), the top fixedly connected with first transmission bevel gear (482) of main shaft (48), the output of motor (46) stretches into the inside and fixedly connected with drive bevel gear (481) of airtight lid (42), and drive bevel gear (481) is connected with first transmission bevel gear (482) meshing, extraction fan (47) fixed connection is in the middle part of main shaft (48), the bottom fixedly connected with of main shaft (48) stirs board (49), the top fixedly connected with elastic tube (43) of airtight lid (42), be provided with odor purification box (45) in the position that is close to purification tank (1), run through between odor purification box (45) and elastic tube (43) and be connected with pipe (44).

3. The constructed wetland denitrification sewage treatment device according to claim 2, characterized in that: the middle part fixedly connected with second transmission bevel gear (483) of main shaft (48), the bottom of airtight lid (42) is rotated and is connected with four driven shafts (485), four driven shafts (485) are perpendicular with four lateral walls of airtight lid (42) respectively, and the first driven bevel gear (484) of one end fixedly connected with of driven shaft (485), first driven bevel gear (484) and second transmission bevel gear (483) meshing are connected, the other end fixedly connected with second driven bevel gear (486) of driven shaft (485).

4. The constructed wetland denitrification sewage treatment device according to claim 3, characterized in that: the number of the second pulley shafts (54) is four, the four second pulley shafts (54) are respectively rotatably connected to four side walls of the purifying tank (1), the top of the purifying tank (1) is rotatably connected with four first pulley shafts (51), one end of each first pulley shaft (51) is fixedly connected with a flow pushing bevel gear (52), the flow pushing bevel gear (52) is located below the second driven bevel gear (486), and the first pulley shafts (51) are in transmission connection with the second pulley shafts (54).

5. The constructed wetland denitrification sewage treatment device according to claim 4, characterized in that: one end of the first belt wheel shaft (51) far away from the flow pushing bevel gear (52) is fixedly connected with a first belt wheel (511), one end of the second belt wheel shaft (54) extends into the side wall of the purifying tank (1) and is fixedly connected with a second belt wheel (513), and a flow pushing belt (512) is sleeved between the second belt wheel (513) and the first belt wheel (511).

6. The constructed wetland denitrification sewage treatment device according to claim 1, characterized in that: one side fixedly connected with drainage pipe (3) of water inlet (2) are kept away from to the bottom of purification tank (1), the inside swing joint of drainage pipe (3) has filter (31), filter (31) slope sets up in drainage pipe (3), a plurality of aperture has been seted up on filter (31), the inside of drainage pipe (3) is rotated in the top of filter (31) and is connected with atress axle (35), fixedly connected with a plurality of atress board (32) are gone up in atress axle (35), and atress axle (35) are connected with filter (31) transmission, the top swing joint of drainage pipe (3) has apron (33), one side fixedly connected with handle (34) of apron (33), the tip of handle (34) is located the outside of purification tank (1), the bottom joint of drainage pipe (3) has collection box (311).

7. The constructed wetland denitrification sewage treatment device according to claim 6, characterized in that: one end of the stress shaft (35) extends into the side wall of the drainage pipeline (3) and is fixedly connected with a stress belt wheel (36), a shaking shaft (38) is rotatably connected to the lower portion of the stress belt wheel (36) in the side wall of the drainage pipeline (3), one end of the shaking shaft (38) is fixedly connected with a transmission belt wheel (37), and a transmission belt (39) is sleeved between the transmission belt wheel (37) and the stress belt wheel (36).

8. The constructed wetland denitrification sewage treatment plant of claim 7, which is characterized in that: the shaking shaft (38) is kept away from one end fixedly connected with carousel (381) of driving pulley (37), the top fixedly connected with traveller (384) of carousel (381) is gone up to traveller (384), sliding connection has slider (383) on traveller (384), be provided with connecting rod (382) between slider (383) and carousel (381), the one end and the slider (383) of connecting rod (382) are articulated, the other end and carousel (381) of connecting rod (382) are articulated, slider (383) and filter (31) fixed connection.

9. The constructed wetland denitrification sewage treatment device according to claim 1, characterized in that: an aeration module (6) is fixedly installed on the side wall of the purification tank (1), and a grid plate (7) is arranged at the bottom of the purification tank (1) above the drainage pipeline (3).

10. The implementation method of the artificial wetland denitrification sewage treatment device according to any one of claims 1 to 9, characterized by comprising the following steps:

the method comprises the following steps: opening the water inlet (2) to introduce the sewage into the interior of the purification tank (1), starting the electric telescopic column (41) to drive the closed cover (42) to descend, and sealing the top of the purification tank (1);

step two: intermittently starting a motor (46), driving an air suction fan (47) to suck away the pungent smell emitted by the sewage, and sucking the pungent smell into an odor purification box (45) for purification;

step three: and (3) starting the aeration module (6), introducing oxygen into the sewage in the purification tank (1), driving the dynamic flow pushing mechanism (5) to operate by the motor (46), driving the flow pushing plate (53) to rotate by the second pulley shaft (54), and pushing the sewage in the purification tank (1) to flow by the flow pushing plate (53).