CN217202251U

CN217202251U - Courtyard type modular rural domestic sewage treatment device

Info

Publication number: CN217202251U
Application number: CN202123342824.1U
Authority: CN
Inventors: 张友德; 戴曹培; 钱益武; 田文凤; 徐欣
Original assignee: Anhui Xinyu Environmental Protection Technology Co ltd
Current assignee: Anhui Xinyu Environmental Protection Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-16
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a rural domestic sewage treatment plant of courtyard formula modularization, include catch basin, water pump and constructed wetland unit with the pipe connection, the constructed wetland unit is established to the loop configuration, and constructed wetland unit outside-in has set gradually first unit, second unit, third unit and fourth unit, first unit is including the district of intaking and the wet area of horizontal undercurrent, the top of first unit and second unit is provided with the water distribution and is responsible for, second unit and third unit are all established to the wet area of vertical undercurrent, and the bottom of second unit and third unit is equipped with the collector pipe, the collector area of establishing to the hollow cylinder structure is established to the fourth unit. The utility model discloses a set up ring structure's constructed wetland unit, can install and use on the ground, area is little, and need not to do the prevention of seepage, has reduced the sewage treatment cost, can also avoid the stagnant water district, has improved sewage treatment efficiency, is applicable to and handles rural domestic sewage.

Description

Courtyard type modular rural domestic sewage treatment device

Technical Field

The utility model relates to a domestic sewage treatment technical field especially relates to a rural domestic sewage treatment plant of courtyard formula modularization.

Background

The artificial wetland consists of an artificially constructed water tank, plants and a substrate, wherein the bottom of the water tank is subjected to waterproof and anti-seepage treatment, ammonia nitrogen, total phosphorus and suspended particulate matters are absorbed and degraded under the action of nitrification and denitrification reactions by virtue of the degradation adsorption and biochemical reaction actions of the substrate, the plants and microorganisms, so that sewage is purified, and the artificial wetland is widely applied to the fields of rural domestic sewage purification, standard reaching of water sources of water plants, tail water purification of sewage treatment plants, agricultural rainwater runoff treatment, water ecological restoration and the like.

However, because the rural domestic sewage has the characteristics of small water amount, dispersed living population, large variation coefficient and the like, the following disadvantages exist when the artificial wetland is used for treating the rural domestic sewage: firstly, a pipe network needs to be built in a long distance, the occupied area is wide, and anti-seepage treatment is needed to prevent soil pollution, so that the sewage treatment cost is high; secondly, the common rectangular subsurface flow constructed wetland has the problem of dead water areas, so that the pollutants are not uniformly removed, and the use requirements of people in life cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of high sewage treatment cost and low treatment efficiency in the prior art and providing a courtyard type modularized rural domestic sewage treatment device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a courtyard type modularized rural domestic sewage treatment device comprises a water collecting tank, a water pump and an artificial wetland unit which are connected by pipelines, wherein the artificial wetland unit is arranged into an annular structure, the artificial wetland unit is sequentially provided with a first unit, a second unit, a third unit and a fourth unit from outside to inside, the first unit comprises a water inlet area and a horizontal undercurrent wet area, an overflow baffle is arranged between the water inlet area and the horizontal undercurrent wet area, a water baffle plate and a water baffle plate are sequentially arranged in the horizontal undercurrent wet area along the sewage flowing direction, the top of the second unit is provided with a water distribution main pipe, the water inlet end of the water distribution main pipe is connected with the first unit, the water distribution main pipe is fixedly communicated with a plurality of water distribution branch pipes which are distributed at equal intervals, the second unit and the third unit are both arranged into a vertical undercurrent wet area, and the bottoms of the second unit and the third unit are provided with water collecting pipes, the water collecting pipe is provided with an exhaust pipe, the fourth unit is a water collecting area with a hollow cylinder structure, the top end of the side wall of the fourth unit is provided with an overflow port, and the bottom of the fourth unit is provided with an emptying valve and a water outlet pipe;

the filler I is filled in the horizontal undercurrent wet area, and the filler II is filled in the vertical undercurrent wet area.

Preferably, plants are planted on the first filler and the second filler.

Preferably, the first unit, the second unit, the third unit and the fourth unit can be welded and assembled on site.

Preferably, the collecting tank is fixedly communicated with a sewage inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can weld on the scene and assemble and can install and use on the ground, area is little, and need not to do the prevention of seepage, greatly reduced the sewage treatment cost, be applicable to handle domestic sewage such as rural family scattered, courtyard, resident's and night and peasant family happy.

2. The utility model discloses a set up ring structure's constructed wetland unit, avoided stagnant water district, prevent bacterial growing and water pollution.

3. The utility model discloses a set up filler one and filler two, can effectively increase the microbial biomass to pollutant treatment efficiency has been improved.

The utility model discloses a set up ring structure's constructed wetland unit, can install and use on the ground, area is little, and need not to do the prevention of seepage, greatly reduced the sewage treatment cost, can also avoid the stagnant water district, improved sewage treatment effect and efficiency, be applicable to and handle domestic sewage such as rural scattered family, courtyard, civilian and happy.

Drawings

FIG. 1 is a schematic structural view of a courtyard type modular rural domestic sewage treatment plant provided by the utility model;

FIG. 2 is a schematic view of a sectional structure of a courtyard type modular rural domestic sewage treatment device provided by the present invention;

FIG. 3 is a schematic view of the garden type modular rural domestic sewage treatment device according to the present invention;

FIG. 4 is a schematic view of the top view structure of the courtyard type modular rural domestic sewage treatment device provided by the present invention;

FIG. 5 is a schematic sectional view of the courtyard-type modular rural domestic sewage treatment apparatus provided by the present invention;

fig. 6 is a schematic sectional structure view of another angle of the yard type modular rural domestic sewage treatment device provided by the utility model.

In the figure: 1. a water collecting tank; 2. a water pump; 3. a first unit; 31. a water inlet area; 32. horizontal undercurrent wet areas; 4. a second unit; 5. a third unit; 6. a fourth unit; 7. an overflow baffle; 8. a water passing clapboard; 9. a water baffle; 10. a water distribution main pipe; 11. a water distribution branch pipe; 12. a water collection pipe; 13. an exhaust pipe; 14. an overflow port; 15. an atmospheric valve; 16. a water outlet pipe; 17. Filling one; 18. a second filler; 19. and (4) sewage inlet pipe.

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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-6, a courtyard type modular rural domestic sewage treatment device comprises a water collecting tank 1 for collecting domestic sewage, the sewage collected in the water collecting tank 1 is conveyed to an artificial wetland unit through a water pump 2, the artificial wetland unit is of an annular structure, the artificial wetland unit is sequentially provided with a first unit 3, a second unit 4, a third unit 5 and a fourth unit 6 from outside to inside, the first unit 3 comprises a water inlet area 31 and a horizontal subsurface flow wet area 32, an overflow baffle 7 is arranged between the water inlet area 31 and the horizontal subsurface flow wet area 32, a water passing baffle 8 for uniformly distributing water and a water baffle 9 for retaining water are sequentially arranged in the horizontal subsurface flow wet area 32 along the sewage flow direction, the top of the second unit 4 is provided with a main water distributing pipe 10, the water inlet end of the main water distributing pipe 10 is connected with the first unit 3, and a plurality of water distributing branch pipes 11 which are distributed at equal intervals are fixedly communicated on the main water distributing pipe 10, the second unit 4 and the third unit 5 are both set as vertical subsurface flow wet areas, the bottoms of the second unit 4 and the third unit 5 are provided with water collecting pipes 12, the water collecting pipes 12 are provided with exhaust pipes 13 for balancing air pressure, the fourth unit 6 is set as a water collecting area with a hollow cylinder structure, the top end of the side wall of the fourth unit 6 is provided with an overflow port 14, and the bottom of the fourth unit 6 is provided with an emptying valve 15 and a water outlet pipe 16 for emptying sewage in the wetland;

the filler I17 is filled in the horizontal undercurrent wet area 32, and the filler II 18 is filled in the vertical undercurrent wet area, so that the microbial biomass can be effectively increased, and the pollutant treatment efficiency is improved.

In the embodiment, domestic sewage is collected in the water collecting tank 1, pumped into the water inlet area 31 of the first unit 3 by the water pump 2, overflows from the overflow plate and falls into the horizontal undercurrent wet area 32, the water passing partition plate 8 is arranged in the horizontal undercurrent wet area 32, after the sewage is uniformly distributed by the water passing partition plate 8, the sewage is introduced into the water distribution main pipe 10 through the water inlet end of the water distribution main pipe 10 connected with the inner wall of the first unit 3 before the water baffle plate 9, and then is uniformly flowed into the second unit 4 through the water distribution branch pipe 11, then the sewage is collected by the bottom water collecting pipe 12 and then flows into the third unit 5, finally, the sewage enters the fourth unit 6 through the overflow port 14 after reaction is finished, the treated water can be reused for irrigation, car washing and the like, and can also be directly discharged into a river channel, and the advantages of small floor area, no need of seepage prevention and the like are achieved, and the sewage treatment cost is greatly reduced, is suitable for treating domestic sewage in rural households, courtyards, civilian accommodations, farmhouses and the like.

Example two

Referring to fig. 1 to 6, this embodiment is substantially the same as the first embodiment, and is more preferably characterized in that the first filler 17 comprises volcanic rock with a particle size of 10 to 30mm and zeolite with a particle size of 15 to 20mm, each layer is alternately filled with the material with a thickness of 60cm, and the second filler 18 comprises volcanic rock filled in the lower layer, the particle size is 10 to 20mm, and the thickness is 15 cm; the biochar and the zeolite filled in the middle layer have the particle size of 4-6mm, the mixing ratio of 3:1 and the thickness of 70 cm; the volcanic rock filled in the upper layer has the particle size of 10-20mm and the thickness of 15cm, economic crops such as water spinach and cress can be planted on the first filler 17 and the second filler 18, and landscape plants such as canna, iris and the like can be planted for viewing and admiring, so that the filler loss can be prevented, the yield and income can be increased, and the environment can be beautified, the first unit 3, the second unit 4, the third unit 5 and the fourth unit 6 can be prefabricated, and the welding and assembling can be carried out on site, so that the transportation is convenient, the transportation efficiency is improved, the water collecting tank 1 is fixedly communicated with a sewage inlet pipe 19, the domestic sewage of residents is conveyed to the inside of the water collecting tank 1, and the centralized treatment is convenient.

The utility model discloses a set up loop configuration's constructed wetland unit, can install and use on the ground, area is little, and need not to do the prevention of seepage, greatly reduced the sewage treatment cost, can also avoid the stagnant water district, improved sewage treatment efficiency, be applicable to handle domestic sewage such as rural family scattered, courtyard, resident's host and peasant family happy.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A courtyard type modularized rural domestic sewage treatment device comprises a water collecting tank (1), a water pump (2) and an artificial wetland unit which are connected through pipelines, and is characterized in that the artificial wetland unit is of an annular structure, the artificial wetland unit is sequentially provided with a first unit (3), a second unit (4), a third unit (5) and a fourth unit (6) from outside to inside, the first unit (3) comprises a water inlet area (31) and a horizontal undercurrent wet area (32), an overflow baffle (7) is arranged between the water inlet area (31) and the horizontal undercurrent wet area (32), a water passing partition plate (8) and a water baffle (9) are sequentially arranged inside the horizontal undercurrent wet area (32) along the sewage flowing direction, the top of the second unit (4) is provided with a water distribution main pipe (10), and the water inlet end of the water distribution main pipe (10) is connected with the first unit (3), a plurality of water distribution branch pipes (11) which are distributed at equal intervals are fixedly communicated with the water distribution main pipe (10), the second unit (4) and the third unit (5) are both arranged in a vertical undercurrent wet area, water collecting pipes (12) are arranged at the bottoms of the second unit (4) and the third unit (5), exhaust pipes (13) are arranged on the water collecting pipes (12), the fourth unit (6) is arranged in a water collecting area with a hollow cylinder structure, an overflow port (14) is arranged at the top end of the side wall of the fourth unit (6), and an air release valve (15) and a water outlet pipe (16) are arranged at the bottom of the fourth unit (6);

the interior of the horizontal undercurrent wet area (32) is filled with a first filler (17), and the interior of the vertical undercurrent wet area is filled with a second filler (18).

2. The modular garden rural domestic sewage treatment plant according to claim 1, wherein plants are planted on both the first packing (17) and the second packing (18).

3. The modular rural domestic sewage treatment unit of courtyard type according to claim 1 wherein the first unit (3), the second unit (4), the third unit (5) and the fourth unit (6) are welded and assembled on site.

4. The garden-type modular rural domestic sewage treatment plant according to claim 1, wherein the water collection tank (1) is fixedly communicated with a sewage inlet pipe (19).