CN218951143U

CN218951143U - Immersed composite purifying device for river treatment

Info

Publication number: CN218951143U
Application number: CN202223289476.0U
Authority: CN
Inventors: 骆坚平; 何曼妮; 武亚南; 李佳; 白倩倩; 张雅; 郝洋; 金易伟; 曹爱新; 袁晓龙
Original assignee: Beijing Longtao Environment Technology Co ltd
Current assignee: Beijing Longtao Environment Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-02
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to an immersed composite purification device for river treatment, which comprises a composite filler module, a biological film purification module and an aeration module, wherein the composite filler module, the biological film purification module and the aeration module are combined and connected together from top to bottom, the composite filler module comprises a frame and a filler A, the biological film purification module comprises a support frame, a support bar and a filler B, and the aeration module comprises an aeration pipe and an aeration machine. The composite purifying device breaks through the defects of low pollutant removal efficiency, large seasonal influence and the like of a single technology, integrates aeration and biomembrane technologies, plays a role in pollutant interception, can effectively absorb and enrich pollutants and convert and degrade the pollutants, improves the purifying efficiency, increases the aquatic biomass of water, provides places for biological habitat, and has the characteristics of high integration level, high volume load, strong adaptability, convenience in construction and simplicity in operation management.

Description

Immersed composite purifying device for river treatment

Technical Field

The utility model relates to the technical field of water body treatment and ecological environment restoration, in particular to an immersed composite purification device for river channel treatment.

Background

Due to the rapid development of cities and the relative delay of urban infrastructure construction, part of pollution sources cannot thoroughly cut off and enter municipal pipe networks, sewage is discharged into lakes, reservoirs, and dry-flow riverways through branches, ditches and the like, so that the environmental problems of water hypoxia, eutrophication, water quality deterioration and the like are caused, and the pollution treatment on the branches and ditches of the riverways needs to be enhanced.

The problems objectively existing in the current branch and ditch pollution treatment are as follows: 1. the river channel is narrow in groove, low in environmental capacity and poor in self-cleaning capability; 2. the periphery of the rural domestic sewage is polluted by rural domestic sewage point sources and agricultural non-point sources, the periphery of the rural domestic sewage is generally difficult to provide a site for ex-situ treatment of sewage, and the water, gas and electricity are not fully matched.

The existing river course treatment technology is commonly used in the modes of substrate improvement, submerged plant recovery, microbial agents, ecological floating islands, artificial wetlands and the like. The self-cleaning capability of the river water body can be improved by the substrate improvement and submerged plant recovery, but the water impact load is low, and the treatment efficiency is limited under the condition of insufficient transparency of the river water body; the microbial agent takes effect rapidly by adding dominant bacteria with special functions and natural flora to cooperate, but has the problem of environmental safety; the root of the ecological floating island has limited absorption capacity, is greatly influenced by seasons, and has basically stagnant winter treatment effect; the constructed wetland has high treatment efficiency, but needs larger occupied area.

Based on the method, the utility model provides the immersed composite purification device for river treatment, and the module realizes the in-situ treatment of the river pollutants, and has the advantages of high integration degree, high volume load, strong adaptability, convenient construction and simple operation management.

Disclosure of Invention

The utility model aims to provide an immersed composite purification device for river treatment, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the immersed composite purification device for river treatment comprises a composite filler module, a biological film purification module and an aeration module, wherein the composite filler module, the biological film purification module and the aeration module are sequentially combined and connected from top to bottom; the composite filler module and the biological film purifying module are all arranged below the water surface of the river; the aeration module comprises an aeration pipe and an aerator, and the aerator is connected with the aeration pipe through a pipeline.

In one embodiment of the foregoing aspect, the composite filler module includes a frame and a filler a, where the frame is in a hollowed-out structure, and the filler a is filled in the frame.

Further, in the above scheme, the frame includes outer frame and inside casing, outer frame is cuboid or square structure, the inside of outer frame is equipped with at least one inside casing.

Further, in the above scheme, the initial porosity of the filler A is 35% -50%.

In one embodiment, in the above scheme, the external length and the wide dimension of the biological membrane purifying module are consistent with those of the composite filler module.

Furthermore, in the above scheme, the biological membrane purification module comprises a supporting frame, supporting bars and filling materials B, wherein the supporting bars are longitudinally arranged in a layered mode in the supporting frame, the supporting bars are arranged at equal intervals, and the filling materials B are fixed on each supporting bar.

In one embodiment, in the above scheme, the aeration mode of the aeration module is continuous aeration or intermittent aeration or pulse aeration.

Furthermore, in the above scheme, the arrangement form of the aeration pipes is global arrangement or distributed arrangement, and the aeration machine is externally connected with commercial power or is powered by a new energy power supply.

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

the composite purifying device has the advantages that the purifying process of the water pollutants is the result of the comprehensive actions of various physics, chemistry and biology, the device overcomes the defects of low treatment efficiency, large seasonal fluctuation and the like of a single treatment technology, integrates aeration and biomembrane technologies, plays the role of pollutant interception, can effectively absorb and enrich the pollutants and convert and degrade the pollutants, improves the purifying efficiency, can increase the aquatic biomass of the water, provides places for biological habitats, and realizes continuous self-purification of the river water.

The biological membrane purifying module of the composite purifying device has good functions of retaining, filtering and precipitating and purifying suspended matters in the water body, and a large number of microorganisms grow on the carrier. In the longitudinal direction, a complex ecological system is formed which consists of a plurality of nutrient stages of bacteria, fungi, algae, protozoa, metazoan and the like. In the transverse direction, intermittent aeration is reasonably arranged along the flowing direction of the water body, thus forming a microorganism system with various different activity capacities, breathing types and nutrition types of suspended aerobic type, attached facultative type and attached anaerobic type. The module is a functional main body for decomposing and converting pollutants, and a water body microorganism system and aquatic animals and plants form a complex ecological chain together, so that the module has a rapid and efficient purifying effect on pollutants in a water body.

The composite purification module has high integration degree and strong adaptability, can randomly increase or decrease the density of the aeration pipe of the aeration module, the density of the biological carrier of the biological film purification module and the density of the biological carrier of the composite filler module of a single composite purification device according to the water quality condition and the purification requirement of a water body, and can also adjust the arrangement density of the composite purification device. In addition, the composite filler module, the biological film purifying module and the aeration module of the single composite purifying device can be longitudinally and freely combined according to the difference of river depths, so that the river treatment requirements of different water depths are met.

Drawings

The disclosure of the present utility model is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a frame structure according to the present utility model;

FIG. 3 is a schematic structural view of a filler A according to the present utility model;

FIG. 4 is a schematic top view of a biological membrane purification module according to the present utility model;

FIG. 5 is a schematic perspective view of a biological membrane purification module according to the present utility model;

fig. 6 is a schematic view of the structure of an aeration module according to the present utility model.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the present utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures to which the utility model pertains.

According to the technical scheme of the utility model, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the true spirit of the utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings and examples.

Embodiment 1, as shown in fig. 1, an immersed composite purification device for river treatment comprises a composite filler module 1, a biological film purification module 2 and an aeration module 3, wherein the composite filler module 1, the biological film purification module 2 and the aeration module 3 are sequentially combined and connected from top to bottom. Wherein, the composite filler module 1 and the biological film purifying module 2 are all arranged below the water surface of the river channel to carry out composite purification on the environment in the water.

Specifically, referring to fig. 2 and 3, the composite packing module 1 includes a frame 11 and a packing a12, the frame 11 is in a hollow structure, the packing a12 is filled in the frame 11, the packing a12 is wrapped inside by the hollow structure, and the flowing river water source can be purified.

The frame 11 includes an outer frame 13 and an inner frame 14, the outer frame 13 has a rectangular or square structure, and at least one inner frame 14 is disposed inside the outer frame 13. In practice, the inner part of the outer frame 13 is uniformly divided into one or more hexahedral frames, the periphery, bottom and top of the outer frame 13 and the inner frame 14 are uniformly perforated or grooved to form a hollow structure, and the aperture or groove length and width are slightly smaller than the size of the filler A12.

As a preferred scheme, the initial porosity of the filler A12 is 35-50%, so as to meet the requirement of purifying a water source. The filler A12 is filled with one or more of gravel, heavy ceramsite, natural pebbles, zeolite, volcanic rock, shell activated carbon and modified filler, and the filling heights of the single inner frame 14 are uniform and consistent, and are not less than 200mm, and the error is not more than 5mm.

In addition, the external length and the wide dimension of the biological film purifying module 2 are consistent with those of the composite filler module 1, and the biological film purifying module and the composite filler module are fixed together through ropes.

Referring to fig. 4 and 5, the biological membrane purifying module 2 includes a supporting frame 21, supporting bars 22 and packing B23, the supporting bars 22 are longitudinally layered inside the supporting frame 21, the supporting bars 22 are equally spaced, and the packing B23 is fixed on each supporting bar 22. In the implementation, the filler B23 is uniformly arranged between the upper layer support bar 22 and the lower layer support bar 22 of the support frame 21 of the biological membrane purification module 2, and the filler B23 is one or more of carbon fiber filler, elastic filler, semi-soft flavoring and biological ropes. The supporting bars 22 are arranged in layers along the longitudinal direction of the supporting frame 21, the supporting bars 22 on the same layer are required to be arranged at equal intervals and used for uniformly purifying water sources, and the supporting frame 21 and the supporting bars 22 are made of rigid materials, such as stainless steel or steel strips.

Referring to fig. 1 and 6, the aeration module 3 includes an aeration pipe 31 and an aerator 32, the aeration pipe 31 is fixedly installed at the bottom of the biological membrane purification module 2, the aerator 32 is installed at the bank of the river, and the aerator 32 is connected with the aeration pipe 31 through a pipeline. The aerator pipe 31 may be installed at the bottom, middle or top of the biological membrane purification module 2, may be arranged in a single layer or in multiple layers, and the aerator 32 may be installed on the shore or in a river channel in a submerged manner. The aeration mode of the aeration module 3 is continuous aeration or intermittent aeration or pulse aeration, and can effectively purify the river water source.

The aeration pipes 31 are arranged in a global or distributed mode, and the aeration machine 32 is externally connected with commercial power or is powered by a new energy source, so that good purification effect can be achieved.

The immersed composite purification device is a prefabricated device, shortens the site construction time, only needs to sink the prefabricated immersed composite purification device into water, is fixed on the river bottom through a frame support column of the immersed composite purification device, and can easily complete arrangement of the device by being in butt joint with an input port of the aeration module 3 through a gas pipe. The device is installed and arranged according to hydrologic data and pollution source emission, is arranged below a river reach and a normal water level which do not affect flood discharge, and can select arrangement density according to different water quality conditions of branches, ditches and incoming tail water, different treatment targets and different river channel widths so as to ensure the effect of purifying water quality.

The composite purifying device breaks through the defect of a single technology, integrates aeration and biomembrane technologies, plays a role in pollutant interception, can effectively absorb enriched pollutants and convert and degrade the enriched pollutants, improves the purifying efficiency, can increase aquatic biomass of water bodies, provides places for biological habitation, and has the characteristics of high integration degree, high volume load, strong adaptability, convenience in construction and simplicity in operation and management.

Example 2 as shown in fig. 1, an immersed composite purification device for river pollutants comprises a composite filler module 1, a biological membrane purification module 2 and an aeration module 3, wherein the composite filler module 1, the biological membrane purification module 2 and the aeration module 3 are arranged from top to bottom.

As shown in fig. 2 and 3, the composite filler module 1 includes a frame 11 and a filler a12, the frame 11 is formed by combining an outer frame 13 and an inner frame 14, the filler a12 is filled inside the inner frame 14, and the filler a12 may be filled with one or more of gravel, heavy ceramsite, natural pebbles, zeolite, volcanic rock, and modified filler.

As shown in fig. 4 and 5, the biological membrane purification module 2 includes a support frame 21, a support bar 22, and a packing B23. The supporting bar 22 is arranged in upper and lower layers, and the packing B23 is uniformly arranged on the supporting bar 22.

As shown in fig. 6, an immersed composite purification device for river pollutants is arranged below the normal water level of a river and positioned at the center line of the river bed, an aerator 32 of an aeration module 3 is arranged at the periphery of the river, and the aerator 32 is connected with an aeration pipe 31 and is responsible for aerating a biological membrane purification module 2 and a composite filler module 1.

Example 3 the composite packing module 1, the biofilm purifying module 2 and the aeration module 3 are combined together from top to bottom, wherein the size of an outer frame 13 of the composite packing module 1 is 1.8mx1.2mx0.3mx0.3mx0.3m, the number of the total arranged inner frames 14 is 24, round holes with phi 15mm are uniformly formed on the periphery, the top and the bottom of the inner and outer frames, phi 16-32 gravels with 150mm, phi 8-16 volcanic rocks with 100mm and phi 4-6 heavy ceramsite with 50mm are sequentially arranged in the single inner frame 14 from bottom to top.

Example 4 the composite packing module 1, the biofilm purifying module 2 and the aeration module 3 were combined together from top to bottom, wherein the outer frame 13 of the composite packing module 1 was 1.8mx1.2mx0.3m in size, the inner frame 14 was 0.3mx0.3mx0.3m in size, the total number of the arranged inner frames 14 was 24, and the total was divided into 4 rows in the width direction, the inner frame 14 of row 1 was arranged with phi 16 to 32 gravels 300mm, the inner frame 14 of row 2 was arranged with phi 16 to 32 volcanics 300mm, the inner frame 14 of row 3 was arranged with phi 16 to 32 gravels 300mm, and the inner frame 14 of row 4 was arranged with phi 16 to 32 volcanics 300mm.

In example 5, the outer frame 13 of the composite filler module 1 has a size of 1.8mx1.2mx0.3m, the support frame 21 of the biofilm purifying module 2 has a size of 1.8mx1.2mx1.0m, the composite filler module 1, the biofilm purifying module 2 and the aeration module 3 are combined together from top to bottom, the support frame 21 is provided with an upper layer support bar and a lower layer support bar, the distance between the support bars 22 is 150mm, and the distance between the support bars 22 is 60mm, and the distance between the support bars is l=0.8m.

In example 6, the outer frame 13 of the composite filler module 1 was 1.8mx1.2mx0.2m, the support frame 21 of the biofilm purifying module 2 was 1.8mx1.2mx0.6m, the external dimension of the aeration module 3 was 1.8mx1.2mx0.3m, and the submerged composite purifying device was combined in a top-down manner with the composite filler module 1, the biofilm purifying module 2 and the aeration module 3, and the total height of the composite purifying device was 1.8mx1.2mx2.2m.

Embodiment 7, compound purifier arranges along river course along water flow direction, river course surface of water width 12m, degree of depth 3m, side slope 1: 1. the width of the river bed is 6m, the total height of a single composite purifying device is 2.5mx1.5mx2.5m, two devices are in a group, the total length of the river to be treated is 2km, a group is arranged at a distance of 40m, 49 groups are arranged in total, and the total number of the installed purifying devices is 98.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a compound purifier of submergence formula that river course was administered which characterized in that: the biological membrane aeration device comprises a composite filler module (1), a biological membrane purification module (2) and an aeration module (3), wherein the composite filler module (1), the biological membrane purification module (2) and the aeration module (3) are sequentially combined and connected together from top to bottom; the composite filler module (1) and the biological film purifying module (2) are arranged below the water surface of the river; the aeration module (3) comprises an aeration pipe (31) and an aerator (32), and the aerator (32) is connected with the aeration pipe (31) through a pipeline.

2. The submerged composite purification device for river management according to claim 1, wherein: the composite filler module (1) comprises a frame (11) and a filler A (12), wherein the frame (11) is of a hollowed-out structure, and the filler A (12) is filled in the frame (11).

3. The submerged composite purification device for river management according to claim 2, wherein: the frame (11) comprises an outer frame (13) and an inner frame (14), wherein the outer frame (13) is of a cuboid or square structure, and at least one inner frame (14) is arranged inside the outer frame (13).

4. The submerged composite purification device for river management according to claim 2, wherein: the initial porosity of the filler A (12) is 35-50%.

5. The submerged composite purification device for river management according to claim 1, wherein: the external length and the wide dimension of the biological film purifying module (2) are consistent with those of the composite filler module (1).

6. The submerged composite purification device for river management as defined in claim 5, wherein: the biological membrane purification module (2) comprises a supporting frame (21), supporting bars (22) and filling materials B (23), wherein the supporting bars (22) are longitudinally arranged in a layered mode in the supporting frame (21), the supporting bars (22) are arranged at equal intervals, and the filling materials B (23) are fixed on each supporting bar (22).

7. The submerged composite purification device for river management according to claim 1, wherein: the aeration mode of the aeration module (3) is continuous aeration or intermittent aeration or pulse aeration.

8. The submerged composite purification device for river management of claim 7, wherein: the aeration pipes (31) are arranged in a global or distributed mode, and the aerator (32) is externally connected with mains supply or is powered by a new energy source.