CN109761371B

CN109761371B - Improved artificial wetland device

Info

Publication number: CN109761371B
Application number: CN201910222979.XA
Authority: CN
Inventors: 赵培; 李丽
Original assignee: Shangluo University
Current assignee: Shangluo University
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2021-07-20
Anticipated expiration: 2039-03-22
Also published as: CN109761371A

Abstract

The invention discloses an improved constructed wetland device, which comprises a water inlet tank, a purification tank and a water outlet tank, wherein a water inlet pipe is inserted and installed above the water inlet tank, a sewage outlet pipe is sleeved on the water inlet pipe, a steel wire mesh is fixedly installed at the top of the purification tank, a first filtering mechanism and a first filtering screen are movably installed in the water inlet tank, a filtering cover, a backflow purification mechanism and a second filtering mechanism are fixedly installed in the purification tank, the filtering cover is movably installed on the steel wire mesh, the backflow purification mechanism is fixedly connected with the first filtering mechanism through a drainage pipe, a first water outlet pipe is fixed on the backflow purification mechanism, the first water outlet pipe is inserted into the water inlet tank, the second filtering mechanism is fixedly connected with the water outlet tank through a third water outlet pipe, and a plurality of second water outlet pipes are fixedly installed on the water inlet tank; the constructed wetland device disclosed by the invention can not only ensure that the blockage phenomenon cannot occur in the sewage purification process, but also remove large impurities and oil stains in rural domestic sewage, and can protect the environment from being polluted.

Description

Improved artificial wetland device

Technical Field

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

Background

The artificial wetland is a technology for treating sewage and sludge by mainly utilizing the physical, chemical and biological triple synergistic effects of soil, artificial media, plants and microorganisms, is widely applied to cities and towns and rural areas at present, mainly treats sewage generated in factory production in cities and towns, and decomposes sewage discharged from some chemical factories containing a large amount of harmful substances in a physical and chemical reaction mode to prevent the environment from being polluted; but the sewage generated in rural areas mainly comes from domestic garbage, such as sewage for washing vegetables, dishes or fruits, when the sewage is discharged from a sewer, a large amount of vegetable leaves, rotten fruits or oil stains are generated, so that the sewage enters the artificial wetland device and is blocked, and the purified water still contains a great amount of oil stains, which are not only unfavorable for the growth of aquatic plants, but also can not prevent the environmental pollution, the prior artificial wetland devices are mainly applied to the treatment of sewage discharged by factories in cities and towns, and an artificial wetland device suitable for rural domestic sewage is not disclosed, so that an artificial wetland device which can not only ensure that the blockage phenomenon cannot occur in the sewage purification process, but also remove large impurities and oil stains in rural domestic sewage, can protect the environment from pollution and ensure that the environment for the growth of aquatic plants is better is urgently needed at present.

Disclosure of Invention

The invention aims to provide an improved artificial wetland device, which solves the problems in the prior art, can ensure that no blockage occurs in the sewage purification process, can remove large impurities and oil stains in rural domestic sewage, can protect the environment from pollution, and ensures that the environment for aquatic plant growth is better.

In order to achieve the purpose, the invention provides the following scheme: the invention provides an improved artificial wetland device which comprises a water inlet tank, a purification tank and a water outlet tank, wherein a water inlet pipe is inserted and installed above the water inlet tank, a sewage outlet pipe is sleeved on the water inlet pipe, a steel wire mesh is fixedly installed at the top of the purification tank, a first filtering mechanism and a first filtering screen are movably installed in the water inlet tank, the first filtering screen is installed below the first filtering mechanism, a filtering cover, a backflow purification mechanism and a second filtering mechanism are fixedly installed in the water inlet tank, the filtering cover is fixedly installed above the backflow purification mechanism and the second filtering mechanism, the filtering cover is movably installed on the steel wire mesh, the backflow purification mechanism is fixedly connected with the first filtering mechanism through a drainage pipe, a first water outlet pipe is fixedly installed on the backflow purification mechanism, the first water outlet pipe is inserted into the water inlet tank, and the second filtering mechanism is fixedly connected with the water outlet tank through a third water outlet pipe, and the water inlet pool is fixedly provided with a plurality of second water outlet pipes.

First filter mechanism includes the filter, it crosses the filtration hole to have seted up the first filtration hole of crossing of a plurality of and second on the filter, second crosses filtration hole below fixed connection in the one end of drainage tube.

First recess has been seted up on the inner wall in second filtration hole, swing joint has the rotation axis in the first recess, fixed mounting has a plurality of cutting piece on the rotation axis.

The first filtering holes and the second filtering holes are arranged in a staggered mode at intervals, and the aperture of the second filtering holes is larger than that of the first filtering holes.

The filter cover is characterized in that a plurality of through holes are formed in the inner wall of the filter cover, a plurality of second grooves are formed in the through holes, sponge blocks are fixedly mounted in the second grooves, felt cloth is adhered to the surfaces of the sponge blocks, the backflow purification mechanism comprises a collecting tank, a drainage tube and a first water outlet tube are fixedly connected to the collecting tank, one end of the drainage tube is fixed to the collecting tank, and the other end of the drainage tube is fixedly connected to a second filter hole.

The second filtering mechanism comprises a protective cover, a second filter screen is movably mounted at the top of the protective cover, an oil absorption plate and a felt plate are fixed on the inner wall of the protective cover, a plurality of third filtering holes are formed in the oil absorption plate, and a plurality of fourth filtering holes are formed in the felt plate.

The oil absorption plate and the felt plate are arranged in the protective cover at intervals.

And a sealing ring is fixed on the second filter screen.

The protective cover is of a trapezoidal structure or a fan-shaped structure.

The cutting member is a blade or a thin iron plate.

The invention discloses the following technical effects: the constructed wetland device disclosed by the invention solves the problem of blockage in the filtering process by adopting the first filtering mechanism, ensures the backflow filtration of sewage containing larger domestic garbage by matching the first filtering mechanism, the backflow purifying mechanism and the first filter screen, and in addition, the filter cover and the second filtering mechanism are arranged in the water purifying tank to ensure the normal growth of aquatic plants and the purity of water in the water outlet tank, so that the whole device can thoroughly filter the domestic sewage and prevent the environment from being polluted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

Fig. 1 is a schematic structural view of an artificial wetland device in the invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 1;

FIG. 5 is a left side view of a second filter according to the present invention;

wherein, 1-a sewage outlet pipe; 2-water inlet pipe; 3, a water inlet pool; 4-a filter plate; 5-a first filtering hole; 6-a second filtering hole; 7-a first groove; 8-a rotating shaft; 9-a cutting member; 10-a drainage tube; 11-a collection tank; 12-a first water outlet pipe; 13-a first filter; 14-a second water outlet pipe; 15-a purification tank; 16-a third water outlet pipe; 17-a water outlet pool; 18-a second filter screen; 19-a protective cover; 20-an oil absorption plate; 21-a felt board; 22-a third filtration pore; 23-a fourth filtration pore; 24-a sealing ring; 25-steel wire mesh; 26-cinder layer; 27-a pebble layer; 28-sludge layer; 29-aquatic plants; 30-a filter mantle; 31-a through hole; 32-a second groove; 33-sponge block; 34-felt cloth.

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.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-5, the present invention provides an improved artificial wetland device, which comprises a water inlet tank 3, a purification tank 15 and a water outlet tank 17, wherein a water inlet pipe 2 is inserted and installed above the water inlet tank 3, sewage discharged from a sewage outlet pipe 1 is introduced into the water inlet tank 3, the water inlet pipe 2 is sleeved with a sewage outlet pipe 1, wherein the pipe diameter of the water inlet pipe 2 is larger than that of the sewage outlet pipe 1, so that the sewage outlet pipe 1 is sleeved in a first water outlet pipe 12 to ensure that the sewage in the sewage outlet pipe 1 does not leak; the steel wire mesh 25 is fixedly installed at the top of the water purifying tank 15 to provide a growing environment for the aquatic plants 29 above the water purifying tank 15, and because some harmful chemical substances still exist in domestic sewage, the steel wire mesh 25 is respectively arranged above the water purifying tank 15, and in addition, the steel wire mesh 25 is respectively provided with the cinder layer 26, the pebble layer 27 and the sludge layer 28, wherein the steel wire mesh 25 can prevent the above layer structure from falling off to ensure the growth stability of the aquatic plants 29, while the cinder layer 26 and the pebble layer 27 can decompose some harmful chemical substances, the sludge layer 28 is mainly used for the growth of the aquatic plants 29, so that the filtered water in the water purifying tank 15 can directly reach the sludge layer 28 step by step through the steel wire mesh 25, the first filtering mechanism and the first filtering screen 13 are movably installed in the water inlet tank 3, and the first filtering mechanism and the first filtering screen 13 can be buckled on the inner wall of the water inlet tank 3, therefore, when the first filtering mechanism and the first filtering screen 13 are damaged, the first filtering mechanism and the first filtering screen 13 can be conveniently replaced, and the aperture of the meshes on the first filtering screen 13 is smaller than the diameter of the impurity particles; the first filter screen 13 is arranged below the first filter mechanism, the filter cover 30, the backflow purification mechanism and the second filter mechanism are fixedly arranged in the clean water tank 15, the filter cover 30 is fixedly arranged above the backflow purification mechanism and the second filter mechanism, the filter cover 30 is movably arranged on the steel wire mesh 25, the backflow purification mechanism is fixedly connected with the first filter mechanism through the drainage tube 10, the backflow purification mechanism is fixedly provided with the first water outlet tube 12, the first water outlet tube 12 is inserted into the water inlet tank 3, the second filter mechanism is fixedly connected with the water outlet tank 17 through the third water outlet tube 16, the water inlet tank 3 is fixedly provided with a plurality of second water outlet tubes 14, the domestic sewage enters the water inlet tank 3 through the water inlet tube 2, the domestic sewage is firstly filtered through the first filter mechanism, then the filtered domestic sewage flows out through the second water outlet tubes 14 in the water inlet tank 3, and some larger domestic sewage containing cabbage leaves or rotten fruits and the like enters the backflow purification mechanism, then enters the water inlet tank 3 through the first water outlet pipe 12, is circularly filtered through the first filter screen 13, enters the purified water tank 15 after being filtered, enters the water outlet tank 17 after being secondarily filtered through the second filter mechanism, and is used for the growth of the aquatic plants 29.

In order to further optimize the scheme, in order to filter the large domestic garbage such as vegetable leaves or rotten fruits in the domestic sewage and prevent the first filtering mechanism from being blocked, the first filtering mechanism comprises a filtering plate 4, a plurality of first filtering holes 5 and second filtering holes 6 are arranged on the filtering plate 4, the lower part of the second filtering hole 6 is fixedly connected with one end of a drainage tube 10, the other end of the drainage tube 10 is fixedly connected with a backflow purifying mechanism, wherein a first groove 7 is arranged on the inner wall of the second filtering hole 6, a rotating shaft 8 is movably connected in the first groove 7, a plurality of cutting pieces 9 are fixedly arranged on the rotating shaft 8, the cutting pieces can be blades or thin iron sheets, when the large domestic garbage passes through the filtering plate 4, the sewage can directly flow to the lower part of the filtering plate 4 along the first filtering holes 5 and then flows into a water purifying tank 15 through a second water outlet pipe 14, and contain a large amount of great domestic waste in the sewage that passes through by second filtration pore 6, because contain sewage among these domestic waste, can drive rotation axis 8 at sewage flow in-process and rotate, great domestic waste along with rivers pass through just can be cut by cutting member 9 on the rotation axis 8 like this, blocking phenomenon just can not appear in filter 4 like this, it passes through the drainage tube 10 through containing the domestic waste sewage after being cut from second filtration pore 6 and enters into collecting vat 11, get into intake chamber 3 by first outlet pipe 12 again, filter, the mode of circulation filtration both can prevent to appear blockking up in the filtering process like this, can guarantee again that domestic sewage is all filtered totally.

Further optimization scheme, according to domestic sewage's filtration process more than, in order to make the filtration process more smooth and easy, first filter mechanism is when filtering, prevent that all great domestic waste from all flowing to in a certain second filters hole 6, and prevent that great domestic waste can't pass through second filter hole 6, filter first filter hole 5 and second filter hole 6 interval staggered arrangement and set up on filter 4, and filter the aperture value of hole 6 with the second and set up to be greater than the aperture value of first filter hole 5, the aperture of second filter hole 6 will be greater than great domestic waste simultaneously, just so can guarantee that the sewage that has domestic waste gets into smoothly to second filter hole 6 in.

Further optimization scheme, in order to cooperate first filter mechanism to carry out circulation backward flow and filter, backward flow purification mechanism includes collecting vat 11, fixedly connected with drainage tube 10 and first outlet pipe 12 on collecting vat 11, drainage tube 10 one end is fixed on collecting vat 11, the other end fixed connection of drainage tube 10 crosses on second filtration pore 6, domestic waste after second filtration pore 6 cutting can flow into in collecting vat 11 by drainage tube 10, just can flow back to intake chamber 3 once more by first outlet pipe 12 on collecting vat 11, filter by first filter screen 13 again, use through first filter mechanism and backward flow purification mechanism cooperation and just can realize domestic sewage backward flow filterable process.

According to a further optimized scheme, the domestic sewage purified by the first filtering mechanism and the backflow purifying mechanism enters the water purifying tank 15, part of water in the water purifying tank 15 is used for growth of aquatic plants 29, and part of the water flows into the water outlet tank 17, in order to ensure the purity of the water in the water purifying tank 15 and ensure normal growth of the aquatic plants 29, the filtering cover 30 is movably arranged below the steel wire mesh 25 in the water purifying tank 15, and the filtering cover 30 is of a conical structure, so that the filtering area can be increased, and the water flowing into the aquatic plants 29 is better purified; the inner wall of the filter cover 30 is provided with a plurality of through holes 31, the inner wall of each through hole 31 is provided with a plurality of second grooves 32, a sponge block 33 is fixedly arranged in each second groove 32, felt 34 is adhered to the surface of each sponge block 33, the sponge blocks 33 can absorb oil stains in sewage, and the felt 34 can absorb some floating objects on the sponge blocks, so that the purity of the effluent water is high, and the purity of the water used for cultivating the aquatic plants 29 can be guaranteed; in order to ensure the purity of water in the water outlet tank 17, a second filtering mechanism is further installed in the water outlet tank 15, the second filtering mechanism comprises a protective cover 19, a second filtering net 18 is movably installed at the top of the protective cover 19, an oil absorbing plate 20 and a felt plate 21 are fixed on the inner wall of the protective cover 19, a plurality of third filtering holes 22 are formed in the oil absorbing plate 20, a plurality of fourth filtering holes 23 are formed in the felt plate 21, and when water in the water outlet tank 15 flows to the water outlet tank 17 through the second filtering mechanism, oil stains and floating objects in domestic sewage are completely filtered by the oil absorbing plate 20 and the felt plate 21.

In order to ensure that the second filtering mechanism can completely filter in the filtering process, the oil absorption plate 20 and the felt plate 21 are installed in the protective cover 19 at intervals, and in order to prevent some particle impurities from passing through the second filtering net 18, a sealing ring 24 is fixedly arranged on the second filtering net 18 so as to ensure the sealing performance of the filtering nets.

When the device works, firstly, domestic sewage enters the water inlet pipe 2 from the sewage outlet pipe 1, the domestic sewage of the water inlet pipe 2 flows into the water inlet tank 3, then the domestic sewage is filtered by the first filtering mechanism, the domestic sewage passing through the first filtering hole 5 is directly discharged into the water purifying tank 15, the sewage containing large domestic garbage in the second filtering hole 6 is cut by the cutting part 9 and enters the collecting tank 11, then the sewage flows back into the water inlet tank 3 from the first water outlet pipe 12 of the collecting tank 11, the sewage is filtered by the first filtering net 13, the filtered domestic sewage enters the water purifying tank 15 from the second water outlet pipe 14, after the water for the growth of aquatic plants 29 is filtered by the filtering cover 30, the water also sequentially filters harmful substances by the coal slag layer 26 and the pebble layer 27 and finally reaches the silt layer 28 so as to supply the aquatic plants 29 to absorb root vegetative growth, and the domestic sewage filtered by the second filtering mechanism flows to the water outlet tank 17 through the third water outlet pipe 16.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a modified constructed wetland device, includes intake pool (3), clean water basin (15) and play pond (17), inlet tube (2) are installed in the grafting of intake pool (3) top, sewage outlet pipe (1) has been cup jointed on inlet tube (2), the top fixed mounting of clean water basin (15) has wire net (25), its characterized in that: the utility model discloses a water purifier, including intake basin (3), movable mounting has first filtering mechanism and first filter screen (13), first filter screen (13) are installed in the below of first filtering mechanism, fixed mounting has filter mantle (30), backward flow purification mechanism and second filtering mechanism in clean water reservoir (15), filter mantle (30) fixed mounting is in the top of backward flow purification mechanism and second filtering mechanism, filter mantle (30) movable mounting is on wire net (25), backward flow purification mechanism passes through drainage tube (10) and first filtering mechanism fixed connection, be fixed with first outlet pipe (12) on the backward flow purification mechanism, first outlet pipe (12) are pegged graft in intake basin (3), second filtering mechanism passes through third outlet pipe (16) and outlet basin (17) fixed connection, fixed mounting has a plurality of second outlet pipe (14) on intake basin (3), first filter mechanism includes filter (4), a plurality of first filtration pore (5) and second filtration pore (6) of crossing have been seted up on filter (4), the second crosses the one end of pore (6) below fixed connection at drainage tube (10), first recess (7) have been seted up on the inner wall of second filtration pore (6), swing joint has rotation axis (8) in first recess (7), fixed mounting has a plurality of cutting member (9) on rotation axis (8), backward flow purification mechanism includes collecting vat (11), fixedly connected with drainage tube (10) and first outlet pipe (12) on collecting vat (11), drainage tube (10) one end is fixed on collecting vat (11), the other end fixed connection of drainage tube (10) crosses on pore (6) is crossed to the second.

2. The improved constructed wetland device of claim 1, wherein: the first filtering holes (5) and the second filtering holes (6) are arranged in a staggered mode at intervals, and the aperture of each second filtering hole (6) is larger than that of each first filtering hole (5).

3. The improved constructed wetland device of claim 1, wherein: a plurality of through holes (31) are formed in the inner wall of the filter cover (30), a plurality of second grooves (32) are formed in the through holes (31), sponge blocks (33) are fixedly mounted in the second grooves (32), and felt cloth (34) is adhered to the surfaces of the sponge blocks (33).

4. The improved constructed wetland device of claim 1, wherein: the second filtering mechanism comprises a protective cover (19), a second filter screen (18) is movably mounted at the top of the protective cover (19), an oil absorption plate (20) and a felt plate (21) are fixed on the inner wall of the protective cover (19), a plurality of third filtering holes (22) are formed in the oil absorption plate (20), and a plurality of fourth filtering holes (23) are formed in the felt plate (21).

5. The improved constructed wetland device of claim 4, wherein: the oil absorption plate (20) and the felt plate (21) are arranged in the protective cover (19) at intervals.

6. The improved constructed wetland device of claim 4, wherein: and a sealing ring (24) is fixed on the second filter screen (18).

7. The improved constructed wetland device of claim 4, wherein: the protective cover (19) is of a trapezoidal structure or a fan-shaped structure.

8. The improved constructed wetland device of claim 1, wherein: the cutting piece (9) is a blade or a thin iron plate.