CN214781023U

CN214781023U - Rural domestic sewage constructed wetland resource management device

Info

Publication number: CN214781023U
Application number: CN202120813616.6U
Authority: CN
Inventors: 张嫚; 陈志明; 郭晓慧
Original assignee: Hebei Mutianyu Environmental Protection Construction Group Co ltd
Current assignee: Hebei Mutianyu Environmental Protection Construction Group Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-19
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a rural domestic sewage constructed wetland resource management device, which belongs to the technical field of sewage treatment, one surface of an impermeable layer is provided with a drainage layer, the inside of the drainage layer is provided with a water collecting main pipe, the surface of the water collecting main pipe is fixedly connected with a water collecting branch pipe and a vent pipe, one surface of the drainage layer is covered with a transition layer, one surface of the transition layer is covered with a packing layer, the surface of the packing layer is covered with a covering layer, the surface of the covering layer is fixedly connected with a water distribution main pipe, the surface of the water distribution main pipe is fixedly connected with a water distribution branch pipe which is radially symmetrical, the rural domestic sewage constructed wetland resource management device discharges from the bottom by the way that water vertically flows through an constructed wetland medium bed from the surface of the constructed wetland or enters the bottom of the constructed wetland and vertically flows to the medium surface layer and discharges, the pollutant treatment efficiency is high, the sewage treatment effect is stable, the nitrification capacity is higher than that of a horizontal subsurface flow constructed wetland, the pollutant removing capability is strong, and the occupied land resource is less.

Description

Rural domestic sewage constructed wetland resource management device

Technical Field

The utility model relates to a sewage treatment technical field, more specifically say, relate to a rural domestic sewage constructed wetland resourceful management device.

Background

The sewage is the discharged water from life and production which is polluted to a certain extent, the water which loses the original use function is called the sewage for short, and the sewage is mainly the water used in life, contains more organic matters and is easy to treat.

At present, with the rapid development of economy, the human living standard is improved, the problem of water environment pollution is continuously aggravated, particularly, the drainage infrastructure of most villages in rural areas is poor in construction, sewage drainage ditches or open ditches are basically avoided, resident drainage and sewage drainage are discharged through overflowing or seepage wells in front of and behind houses, the sanitary environment is poor, and great influence is brought to the living health of people.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a rural domestic sewage constructed wetland resource management device, this rural domestic sewage constructed wetland resource management device flows through constructed wetland medium bed and discharges from the bottom from constructed wetland surface vertical through water, or get into perpendicular flow direction medium top layer and discharge from the constructed wetland bottom, it is high to pollutant treatment efficiency, sewage treatment is stable, the nitration ability is higher than horizontal subsurface flow constructed wetland, it is strong to get rid of the pollutant ability, it is few to occupy the land resource.

In order to solve the above problems, the utility model adopts the following technical proposal.

A rural domestic sewage constructed wetland resource management device comprises an impermeable layer, wherein a drainage layer is arranged on one surface of the impermeable layer, a water collecting main pipe is arranged inside the drainage layer, a water collecting branch pipe and a vent pipe are fixedly connected to the surface of the water collecting main pipe, a transition layer covers one surface of the drainage layer, a packing layer covers one surface of the transition layer, a covering layer covers the surface of the packing layer, a water distribution main pipe is fixedly connected to the surface of the covering layer, water distribution branch pipes which are radially symmetrical are fixedly connected to the surface of the water distribution main pipe, greening plants are planted on the surface of the covering layer, the rural domestic sewage constructed wetland resource management device discharges water from the bottom through the surface of an constructed wetland vertically flowing through an constructed wetland medium bed, or discharges the water from the bottom of the constructed wetland into the vertical flowing medium surface layer, and has high pollutant treatment efficiency, the sewage treatment effect is stable, the nitrification capacity is higher than that of the horizontal subsurface flow constructed wetland, the pollutant removal capacity is strong, and the occupied land resource is less.

Further, the surface of breather pipe and the branch pipe that catchments and the internal contact of drainage blanket, transition layer, packing layer and overburden are connected, the contact surface of breather pipe and packing layer is equipped with the hole of ventilating for the air can be filled to the packing of the bed body between, and the sewage of dosing next time can have good contact condition with the air like this, improves oxygen transfer efficiency.

Further, the surface of collecting water main and branch pipe is equipped with into water hole, the surface of the one end protrusion overburden of breather pipe, breather pipe can make collecting water main and branch pipe not influenced by the atmospheric pressure, keep unobstructed, can be quick carry out the water conservancy diversion to the water after purifying, and the one end that will purify the water after through collecting water main is discharged.

Furthermore, the radial symmetrical water distribution branch pipes fixed on the surface of the water distribution main pipe are distributed at equal intervals along the length direction of the water distribution main pipe, so that sewage can permeate underground uniformly and vertically.

Furthermore, the covering layer is a gravel layer with good permeability, so that water and soil loss can be prevented, and water can be intermittently fed.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, water vertically flows through the constructed wetland medium bed from the surface of the constructed wetland and is discharged from the bottom, or enters the vertical flow direction medium surface layer from the bottom of the constructed wetland and is discharged, so that the pollutant treatment efficiency is high, the sewage treatment effect is stable, the nitrification capacity is higher than that of a horizontal subsurface flow constructed wetland, the pollutant removal capacity is high, and the occupied land resources are few.

(2) The surface of breather pipe and the branch pipe that catchments is connected with the internal contact of drainage blanket, transition layer, packing layer and overburden, and the breather pipe is equipped with the hole of ventilating with the contact surface of packing layer for between the packing of the bed body can be filled to the air, and the sewage of dosing next time can have good contact condition with the air like this, improves oxygen transfer efficiency.

(3) The surface of collecting water main and the branch pipe that catchments is equipped with into water hole, and the surface of the one end protrusion overburden of breather pipe, breather pipe can make collecting water main and the branch pipe that catchments not influenced by the atmospheric pressure, keep unobstructed, can be quick carry out the water conservancy diversion to the water after purifying, and the one end that will purify the water after through the main pipe that catchments is discharged.

(4) The radial symmetrical water distribution branch pipes fixed on the surface of the water distribution main pipe are distributed at equal intervals along the length direction of the water distribution main pipe, so that sewage can permeate underground uniformly and vertically.

(5) The covering layer is a gravel layer with good permeability, so that water and soil loss can be prevented, and water can be intermittently fed.

Drawings

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

fig. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of a second embodiment of the present invention;

fig. 4 is a schematic diagram of a third structure of the solution of the present invention.

The reference numbers in the figures illustrate:

1 vent pipe, 2 water distribution main pipes, 3 water distribution branch pipes, 4 water collection branch pipes, 5 water collection main pipes, 6 covering layers, 7 packing layers, 8 transition layers, 9 drainage layers, 10 impermeable layers, 11 water distribution pipes, 12 water outlet pipes, 13 water distribution channels and 14 water outlet channels.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-2, a resource management device for rural domestic sewage artificial wetland comprises an impermeable layer 10, referring to fig. 1-2, a drainage layer 9 is arranged on one surface of the impermeable layer 10, a water collecting main pipe 5 is arranged inside the drainage layer 9, a water collecting branch pipe 4 and a vent pipe 1 are fixedly connected to the surface of the water collecting main pipe 5, the surfaces of the vent pipe 1 and the water collecting branch pipe 4 are in contact connection with the drainage layer 9, a transition layer 8, a packing layer 7 and a covering layer 6, and vent holes are arranged on the contact surface of the vent pipe 1 and the packing layer 7, so that air can be filled in the packing space of a bed body, the next-time sewage can have good contact conditions with air, the oxygen transfer efficiency is improved, water inlet holes are arranged on the surfaces of the water collecting main pipe 5 and the water collecting branch pipe 4, one end of the vent pipe 1 protrudes out of the surface of the covering layer 6, the vent pipe 1 can ensure that the water collecting main pipe 5 and the water collecting branch pipe 4 are not affected by air pressure, the device keeps smooth, can quickly guide purified water, discharges the purified water through one end of a water collecting main pipe 5, one surface of a drainage layer 9 is covered with a transition layer 8, one surface of the transition layer 8 is covered with a packing layer 7, the surface of the packing layer 7 is covered with a covering layer 6, the surface of the covering layer 6 is fixedly connected with a water distributing main pipe 2, the surface of the water distributing main pipe 2 is fixedly connected with a radial symmetrical water distributing branch pipe 3, the radial symmetrical water distributing branch pipes 3 fixed on the surface of the water distributing main pipe 2 are equidistantly distributed along the length direction of the water distributing main pipe 2, so that sewage can uniformly and vertically permeate to the ground, greening plants are planted on the surface of the covering layer 6, the covering layer 6 is a gravel layer with good permeability, can prevent soil erosion and water from being intermittently fed, and is a vertical-flow artificial wetland management device for recycling, the water flow direction and the root system layer are vertical, water flow basically flows vertically from top to bottom in the packed bed, the transfer efficiency of oxygen to sewage and a matrix is improved, the surface layer of the vertical flow artificial wetland is usually a sand layer with good permeability, water is intermittently fed, the sewage is poured on the sand bed and then submerges the whole surface, then the sewage gradually and vertically seeps to the bottom, the sewage is collected by a drainage pipe network laid at the bottom of the water outlet end, finally the sewage is discharged out of the artificial wetland sewage treatment system, air is allowed to be filled in the packing of the bed body in the next water inlet gap, so that the sewage which is poured next time can have good contact conditions with the air, the oxygen transfer efficiency is improved, oxygen in the atmosphere can enter the artificial wetland sewage treatment system through drainage in an irrigation period, ventilation in a non-irrigation period and plant transmission, and the removal effect of BOD5 and ammonia nitrogen is improved. The ground plants can transfer part of oxygen to the root area through the roots, water vertically flows through the artificial wetland medium bed from the surface of the artificial wetland and is discharged from the bottom, or enters the artificial wetland from the bottom of the artificial wetland and vertically flows to the surface layer of the medium and is discharged, the pollutant treatment efficiency is high, the sewage treatment effect is stable, the nitrification capacity is higher than that of the horizontal subsurface flow artificial wetland, the pollutant removal capacity is high, and the occupied land resources are few.

Example two: referring to fig. 3, a covering layer 6 is arranged on one surface of an impermeable layer 10, greening plants are planted on the surface of the covering layer 6, a water distribution pipe 11 and a water outlet pipe 12 are respectively arranged on two sides of the covering layer 6, sewage enters a water inlet area a through the water distribution pipe 11, then enters a water outlet area c after being treated by a treatment area b, and finally is discharged out of the artificial wetland through the water outlet pipe 12.

Example three: referring to fig. 4, a packing layer 7 is disposed on one surface of the impermeable layer 10, a covering layer 6 is disposed on the surface of the packing layer 7, gravel layers are disposed on two sides of the packing layer 7, a water distribution channel 13 and a water outlet channel 14 are disposed on the side surfaces of the gravel layers on the two sides, water holes communicated with the packing layer 7 are disposed on the side surfaces of the water distribution channel 13 and the water outlet channel 14, sewage enters the water inlet area a through an opening of the water distribution channel 13, then enters the water outlet area c after being treated by the treatment area b, and finally flows into the water outlet channel 14 through an opening of the water outlet channel 14 to be discharged out of the artificial wetland.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a rural domestic sewage constructed wetland resource management device, includes barrier layer (10), its characterized in that: one surface of barrier layer (10) is provided with drainage blanket (9), the inside of drainage blanket (9) is provided with water collecting main pipe (5), the fixed surface of water collecting main pipe (5) is connected with water collecting branch pipe (4) and breather pipe (1), one surface of drainage blanket (9) covers has transition layer (8), one surface of transition layer (8) covers there is packing layer (7), the surface covering of packing layer (7) has overburden (6), the fixed surface of overburden (6) is connected with water distribution main pipe (2), the fixed surface of water distribution main pipe (2) is connected with water distribution branch pipe (3) of radial symmetry, afforestation plant is planted on the surface of overburden (6).

2. The rural domestic sewage constructed wetland resource management device of claim 1, characterized in that: the surface of the vent pipe (1) and the water collecting branch pipe (4) is in contact connection with the inside of the drainage layer (9), the transition layer (8), the packing layer (7) and the covering layer (6), and vent holes are formed in the contact surface of the vent pipe (1) and the packing layer (7).

3. The rural domestic sewage constructed wetland resource management device of claim 1, characterized in that: the surface of the water collecting main pipe (5) and the water collecting branch pipe (4) is provided with a water inlet hole, and one end of the vent pipe (1) protrudes out of the surface of the covering layer (6).

4. The rural domestic sewage constructed wetland resource management device of claim 1, characterized in that: the radial symmetrical water distribution branch pipes (3) fixed on the surface of the water distribution main pipe (2) are equidistantly distributed along the length direction of the water distribution main pipe (2).

5. The rural domestic sewage constructed wetland resource management device of claim 1, characterized in that: the covering layer (6) is a gravel layer with good permeability.