CN212151784U

CN212151784U - Small-size modularization does not have artifical undercurrent wetland device of jam

Info

Publication number: CN212151784U
Application number: CN201922282786.1U
Authority: CN
Inventors: 汪维峰; 黄栋; 卜岩枫; 徐国华
Original assignee: Zhejiang Zhongyu Ecological Environment Technology Co ltd
Current assignee: Zhejiang Zhongyu Ecological Environment Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-12-15
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a small-size modularization does not have artifical undercurrent wetland device of jam. The glass fiber reinforced plastic tank body is divided into two tanks, a suspended filler layer is buried in the wetland tank, and wetland plants are arranged through a plant attachment fiber net; the bottom of the wetland pool is provided with a plurality of water distribution pipes which are connected with a water source through a water inlet pipe and a valve; the water distribution pipe is communicated with the bottom of the water distribution pool, the top end of the water distribution pool is closed and is provided with an air inlet, the wall surface of the water distribution pool is provided with a pulse water distributor, the pulse water distributor is in an inverted U shape, one end of the inverted U shape of the pulse water distributor is arranged in the water distribution pool and extends into the bottom of the water distribution pool, and one end of the inverted U shape of the pulse water distributor is arranged outside the water distribution pool and is used as a water outlet pipe. The utility model discloses a pulse water distributor drains fast, can carry out the back flush, and extravagant water source does not have the energy consumption, and uninterrupted wetland operation has not only solved the jam problem that present constructed wetland long-term service caused, and the aquatic does not have enough dissolved oxygen when having solved present constructed wetland treatment wastewater and causes vegetation slow or death and make the system treatment efficiency reduce.

Description

Small-size modularization does not have artifical undercurrent wetland device of jam

Technical Field

The utility model relates to an artificial undercurrent wetland sewage treatment technical field and ecological equipment field are applied to the treatment of domestic sewage treatment or low contaminated water, especially relate to a small-size modularization does not have artifical undercurrent wetland of jam.

Background

At present, China has a large population, the daily domestic sewage amount is large, and the reduction of the sewage treatment cost becomes an urgent problem to be solved. In addition, the low-pollution water treated by the sewage plant reaches the national standard requirements, but is still higher than the national surface water requirements, so the low-pollution water is discharged into rivers, and the pollution of the rivers is accelerated. The artificial wetland technology plays an important role in a water treatment system as an effective method for treating sewage and low-pollution water.

At present, a common undercurrent artificial wetland is a wastewater treatment system which is constructed by artificially building a water tank or a groove, paving an antiseep water-stop layer on the bottom surface, filling a filler and a soil layer with a certain depth, planting vascular plants such as reed, cattail and the like or aquatic plants with developed root systems, enabling wastewater to enter from a water inlet of the wetland, and contacting with a medium full of biological membranes and a plant root area in an undercurrent mode to obtain purification. Conventional subsurface wetland operation then has many of its drawbacks. Firstly, the occupied area is large; secondly, the substrate is easy to block; the concentration of dissolved oxygen in the sewage is low, the growth of plants is unfavorable, and the treatment effect, the service life and the like of the artificial wetland are reduced. In response to the series of problems, a plurality of small-sized reinforced concrete artificial wetlands appear along with the research on the artificial wetlands. Although the problems of large occupied area and insufficient supply are well solved, the problems of easy blockage of the matrix, low dissolved oxygen in the inlet water and the like are not well solved, and meanwhile, the problems of long construction period of the reinforced concrete tank body, high capital construction and labor cost and the like are particularly obvious; therefore, a modularized artificial wetland integrated device is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a there is not artifical undercurrent wetland of jam of small-size modularization, it is low to have the cost of labor, construction cycle is short, difficult jam, periodic operation can the self-cleaning packing layer, and do not influence the operation of wetland when washing, dissolved oxygen content in the wetland pond can also be increased simultaneously, and increase the carbon source, solved prior art medium and taken place the jam easily, the aquatic dissolved oxygen is not enough to lead to the reduction of system's treatment efficiency, the carbon source lacks and arouses anaerobic microorganism denitrification inefficiency, cell body construction cycle is long, the big problem of cost of labor.

The technical scheme of the utility model as follows:

the utility model comprises a glass fiber reinforced plastic tank body, a pulse water distributor, a water distribution pipe, a water inlet pipe, a valve, an air inlet pipe and a water outlet pipe; the middle part of the glass fiber reinforced plastic tank body is separated from the two sides by a partition plate to form two tanks, wherein the two tanks are a wetland tank and a water distribution tank respectively, a suspension filler layer is buried in the wetland tank, and wetland plants are arranged on the suspension filler layer through a plant attachment fiber net; the bottom of the wetland pool is provided with a plurality of horizontal parallel water distribution pipes, one ends of the plurality of water distribution pipes are connected with one end of a water inlet pipe, and the other end of the water inlet pipe penetrates out of the wetland pool and is connected with a water source through a valve; the other ends of the water distribution pipes penetrate through the partition plate and are communicated with the bottom of the water distribution pool, the top end of the water distribution pool is closed and is provided with an air inlet, an air inlet pipe is installed on the air inlet, a pulse water distributor is installed on the wall surface of one side of the water distribution pool, which is far away from the wetland pool, the pulse water distributor is inverted-U-shaped, one inverted-U-shaped end of the pulse water distributor is arranged in the water distribution pool and extends into the bottom of the water distribution pool, and one inverted-U-shaped end of the pulse water distributor is arranged outside the water.

The wall of the water distribution pipe is provided with a plurality of through holes along the axial direction, and the through holes are used for communicating water between the wetland plants and the water distribution pipe.

The pulse water distributor is hermetically arranged on the wall surface of the upper part of the water distribution tank in a penetrating way.

The water distribution pipe is communicated with the water distribution tank at the bottom of the tank through a hole dug at the bottom of the partition plate.

The outer walls of the pool bodies of the wetland pool and the water distribution pool and the pulse water distributor are all made of glass fiber reinforced plastics.

The water inlet pipe is a PE or UPVC pipe.

The suspension packing layer is formed by adopting a gravel packing with the particle size of 5-15 mm.

The wetland plant is one or more purified plants of reed, iris, canna and calamus and is planted on the plant attachment fiber net.

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

the glass fiber reinforced plastic tank body of the small-sized modularized non-blocking artificial subsurface flow wetland is refined, and then a multilayer anticorrosion process is adopted, so that the small-sized modularized non-blocking artificial subsurface flow wetland is convenient to process, the excavation amount is reduced, and the small-sized modularized non-blocking artificial subsurface flow wetland is buried and filled, and has the obvious advantages of capital construction, low labor cost, greatly shortened construction period and the like.

The suspended filler filled inside the wetland tank of the utility model is always filled with sewage, and meanwhile, the filler layer and the wetland plant layer above the filler layer have a gap, so that the filler is in a suspended state for a long time and is not easy to block; the filler layer of the wetland contains slow-release organic matters, so that the carbon source is gradually released slowly, the denitrification process of anaerobic microorganisms is promoted, the removal efficiency of pollutants is improved, and the COD concentration of the discharged water is not increased.

The utility model discloses a pulse water distributor drains fast, can carry out the back flush to wetland cell body inside when draining, and the extravagant clean water source of back flush does not have the energy consumption, uninterrupted wetland normal operating.

Compared with the prior art, the utility model discloses the back flush of periodic operation has not only solved the jam problem that present constructed wetland long-term operation caused, and it is slow or dead and make the system treatment effeciency reduce that the aquatic does not have enough dissolved oxygen to cause vegetation when having solved present constructed wetland treatment wastewater to make constructed wetland can keep best throughput.

Simultaneously the utility model discloses a device design, the treatment effeciency is high, the operation is stable, and the combination is free convenient between the unit, and the labour cost is low, and construction cycle is short, and difficult jam, it is good to go out water quality of water.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a bottom plan view of the present invention.

In the figure: 1 a glass fiber reinforced plastic tank body, 2 a pulse water distributor, 3 a plant attached fiber net, 4 a suspended packing layer, 5 a water distribution pipe, 6 wetland plants, 7 a water inlet pipe, 8 a valve, 9 an air inlet pipe, 10 a water outlet pipe and 11 a slow-release organic matter.

Detailed Description

To facilitate understanding and practice of the invention by those of ordinary skill in the art, the following detailed description of the invention is provided in connection with the examples, and it is to be understood that the examples described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

As shown in fig. 1 and fig. 2, the device comprises a glass fiber reinforced plastic tank body 1, a pulse water distributor 2, a water distribution pipe 5, a water inlet pipe 7, a valve 8, an air inlet pipe 9 and a water outlet pipe 10; the middle part of the glass fiber reinforced plastic tank body 1 is separated from the two sides by a partition plate to form two tanks, the two tanks are a wetland tank and a water distribution tank respectively, the top end of the wetland tank is open, a suspension filler layer 4 is buried in the wetland tank, and wetland plants 6 are arranged on the suspension filler layer 4 through a plant attachment fiber net 3; a plurality of horizontal parallel water distribution pipes 5 are arranged at the bottom of the wetland pool, one ends of the water distribution pipes 5 are connected with one end of a water inlet pipe 7, and the other end of the water inlet pipe 7 horizontally penetrates out of the wetland pool to the outside of the glass fiber reinforced plastic pool body 1 and then is connected with a water source through a valve 8; the other ends of the water distribution pipes 5 penetrate through the bottom of the partition plate and are communicated with the bottom of the water distribution pool, and the water distribution pipes 5 are communicated with the water distribution pool through holes dug in the bottom of the partition plate at the bottom of the pool. Holes are dug at the bottoms of the two glass tank bodies and are communicated together by a water distribution pipe. The pipe wall of the water distribution pipe 5 is provided with a plurality of through holes along the axial direction, and the through holes are used for communicating water between the wetland plants 6 and the water distribution pipe 5. The water distribution pipes 5 are communicated with the suspended filler layer 4 through holes, so that sewage can enter the suspended filler layer through uniform water distribution.

The top end of the water distribution tank is closed and provided with an air inlet, the air inlet is provided with an air inlet pipe 9, the wall surface of one side of the water distribution tank far away from the wetland tank is provided with a pulse water distributor 2, the pulse water distributor 2 penetrates through the wall surface of the upper part of the water distribution tank in a sealing way, the pulse water distributor 2 is in an inverted U shape, one inverted U-shaped end of the pulse water distributor 2 is arranged in the water distribution tank and extends into the bottom of the water distribution tank, and one inverted U-shaped end of the pulse water distributor 2 is arranged outside the water distribution tank and serves as an outlet pipe 10 and can extend downwards to the outer bottom of the glass fiber reinforced.

The outer walls of the pool bodies of the wetland pool and the water distribution pool and the outer wall of the pulse water distributor 2 are made of glass fiber reinforced plastics, so that the wetland pool and the water distribution pool are light in weight, high in strength, corrosion resistant and good in thermal property.

The water inlet pipe 7 is a PE or UPVC pipe.

The suspension packing layer 4 is made of a gravel packing with the particle size of 5-15 mm, such as ceramsite or similar objects, and floats on the water surface. In specific implementation, the slow-release organic matter 11 can be added into the suspended filler layer 4, and a carbon source is increased through a slow-release process, so that the denitrification process of anaerobic microorganisms is promoted. A gap is arranged between the suspension filler layer 4 and the upper wetland plant planting layer, so that the filler can be in a suspension state for a long time and is not easy to block.

The wetland plant 6 is one or more purified plants of reed, iris, canna and calamus, and is planted on the plant attachment fiber net 3.

The sewage is controlled by a valve 8, enters the water distribution pipe 5 through a water inlet pipe 7, then uniformly distributes water through pipe wall through holes of the water distribution pipe 5, enters the wetland pool, purifies organic matters, nutrient substances such as nitrogen, phosphorus and the like and heavy metal substances in the sewage under the combined action of a biomembrane method, purification plants and plant root systems, and then enters the water distribution pool through the water distribution pipe 5. During the operation of the wetland, the oxygen in the wetland is gradually digested and finished, an anaerobic environment can be formed, at the moment, the slow-release organic matter 11 can gradually release a carbon source, the denitrification process of anaerobic microorganisms is promoted, the removal of pollutants is improved, and the COD concentration of the effluent can not be increased.

In the wetland operation process, the water level of the pulse water distributor 2 can be freely adjusted. Under a normal state, a water environment exists in the water distribution tank, the upper half part is air, the lower half part is the water environment, and the air inlet pipe 9 is sealed by a plug.

Purified sewage under the combined action of the biomembrane method, the purified plants and the plant roots continuously enters the water distribution tank through the water distribution pipe 5, when the water level in the water distribution tank reaches a certain height, the upper half part of air forms high-pressure to drive the water in the water distribution tank to rapidly enter the inlet of the pulse water distributor 2 in a pulse mode, and the water is discharged from the water outlet of the pulse water distributor 2 through the water outlet pipe 10. After the water is discharged, the air pressure of the upper half part is reduced, and the water body in the water distribution tank cannot be driven to be discharged. After purified sewage which is treated by the combined action of the biomembrane method, the purified plants and the plant roots enters the water distribution tank through the water distribution pipe 5 to cause the water level to rise, the process is repeated to carry out pulse type drainage.

Therefore, when the water level is at a certain height, water is quickly discharged through the water distribution tank and the pulse water distributor 2, the water flow of the wetland tank is from bottom to top in the water discharge process, the water flow is a backwashing process for the wetland, and meanwhile, enough dissolved oxygen can be provided for microorganisms and plants in the wetland tank, so that the removal rate of pollutants is improved.

The air inlet pipe 7 can stably supplement air for the closed water distribution tank or supplement the air before water is drained in advance, so that the backflow phenomenon caused by vacuum during water drainage is avoided.

Claims

1. The utility model provides a small-size modularization does not have jam artificial subsurface wetland device which characterized in that: comprises a glass fiber reinforced plastic tank body (1), a pulse water distributor (2), a water distribution pipe (5), a water inlet pipe (7), a valve (8), an air inlet pipe (9) and a water outlet pipe (10); the middle part of the glass fiber reinforced plastic tank body (1) is separated from the two sides by a partition plate to form two tanks, the two tanks are a wetland tank and a water distribution tank respectively, a suspension filler layer (4) is buried in the wetland tank, and wetland plants (6) are arranged on the suspension filler layer (4) through a plant attachment fiber net (3); the bottom of the wetland pool is provided with a plurality of horizontal parallel water distribution pipes (5), one ends of the plurality of water distribution pipes (5) are connected with one end of a water inlet pipe (7), and the other end of the water inlet pipe (7) penetrates out of the wetland pool to the outside of the glass fiber reinforced plastic pool body (1) and then is connected with a water source through a valve (8); the other ends of the water distribution pipes (5) penetrate through the partition plate and are communicated with the bottom of the water distribution pool, the top of the water distribution pool is sealed and is provided with an air inlet, the air inlet is provided with an air inlet pipe (9), the wall surface of the water distribution pool, which is far away from one side of the wetland pool, is provided with a pulse water distributor (2), the pulse water distributor (2) is in an inverted U shape, one end of the inverted U shape of the pulse water distributor (2) is arranged in the water distribution pool and extends into the bottom of the water distribution pool, and one end of the inverted U shape of the pulse water distributor (2) is arranged outside the water distribution pool and serves.

2. The small modular non-clogging subsurface wetland device of claim 1, characterized in that: the pipe wall of the water distribution pipe (5) is provided with a plurality of through holes along the axial direction, and the through holes are used for communicating water between the wetland plants (6) and the water distribution pipe (5).

3. The small modular non-clogging subsurface wetland device of claim 1, characterized in that: the pulse water distributor (2) is hermetically arranged on the wall surface of the upper part of the water distribution tank in a penetrating way.

4. The small modular non-clogging subsurface wetland device of claim 1, characterized in that: the water distribution pipe (5) is communicated with the water distribution tank at the bottom of the tank through a hole dug at the bottom of the partition plate.

5. The small modular non-clogging subsurface wetland device of claim 1, characterized in that: the outer walls of the pool bodies of the wetland pool and the water distribution pool and the outer wall of the pulse water distributor (2) are both made of glass fiber reinforced plastics.

6. The small modular non-clogging subsurface wetland device of claim 1, characterized in that: the water inlet pipe (7) is a PE or UPVC pipe.

7. The small modular non-clogging subsurface wetland device of claim 1, characterized in that: the suspension packing layer (4) is formed by adopting a gravel packing with the particle size of 5-15 mm.

8. The small modular non-clogging subsurface wetland device of claim 1, characterized in that: the wetland plant (6) is one or more purified plants of reed, iris, canna and calamus, and is planted on the plant attachment fiber net (3).