CN210995793U - Microbial biofilm carrier device for soil organic pollution treatment - Google Patents
Microbial biofilm carrier device for soil organic pollution treatment Download PDFInfo
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- CN210995793U CN210995793U CN201921951397.7U CN201921951397U CN210995793U CN 210995793 U CN210995793 U CN 210995793U CN 201921951397 U CN201921951397 U CN 201921951397U CN 210995793 U CN210995793 U CN 210995793U
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Abstract
The utility model provides a microorganism biofilm carrier device for soil organic pollution administers, include: the primary main pipe is a hollow pipeline, one end of the primary main pipe is a water flow inlet, the other end of the primary main pipe is a water flow outlet, and a plurality of first connectors are arranged on the primary main pipe; the second-stage branch pipes are hollow pipelines, one ends of the second-stage branch pipes are communicated with the first connectors, the other ends of the second-stage branch pipes are closed ends, and the second connectors are arranged on the second-stage branch pipes; the three-stage venation tube is a hollow pipeline, one end of the three-stage venation tube is communicated with the second interface, the other end of the three-stage venation tube is a closed end, and a plurality of third interfaces are arranged on the three-stage venation tube; and the film hanging end units are hermetically connected to the third interface and are made of polyester fiber materials. The utility model discloses can provide sufficient oxygen and moisture simultaneously for pollutant degradation fungus biofilm formation growth in soil environment, simultaneously, pollutant degradation fungus's biofilm formation is fast, and biofilm formation thickness is big.
Description
Technical Field
The utility model belongs to the technical field of soil pollution remediation, in particular to microorganism biofilm carrier device suitable for soil pollution remediation.
Background
Soil is an important resource on which human beings rely for survival, and is an indispensable important component in the ecological environment. Currently, human activities are continuously discharging a large amount of pollutants into the soil environment, such as the application of chemical fertilizers and pesticides, the recharging of industrial sewage, the leakage and dumping of petroleum products, and the like. In general, the soil environment can decompose organic pollutants therein through physical, chemical, biological and other actions, so as to realize self-purification. However, when the concentration of the organic pollutants is too high and the components are complex, the organic pollutants exceed the self-purification capacity of soil, so that the soil structure is damaged, the biochemical property of the soil is deteriorated, the soil fertility is reduced, meanwhile, the water environment is polluted through natural ways such as precipitation and leaching, and finally, the human health is harmed through food chain links such as plant absorption, human and animal drinking water and the like. Therefore, the treatment of organic pollution of soil is of great interest.
At present, aiming at lower-degree soil organic pollution, an in-situ remediation method is generally adopted to assist the soil environment to improve the self-purification capacity, and the decomposition of pollutants is realized on the premise of not disturbing the original soil structure as much as possible. Among them, the microbial remediation method is an important technology for in situ degradation of organic pollutants. The method utilizes domestication culture of high-efficiency degrading strains aiming at target organic pollutants, and utilizes physiological processes of adsorption, absorption, biotransformation and the like of microorganisms to degrade the pollutants. These species are mostly aerobic microorganisms, which require sufficient oxygen and moisture during growth. However, as the depth of the soil increases, oxygen supply is not ensured. Meanwhile, water loss often occurs in the polluted soil due to the acceleration of the metabolism process of microorganisms. When the soil is supplemented with water, the oxygen content of the soil is reduced because the gaps of soil particles are filled with water, and vice versa. Therefore, the efficiency of acclimatizing and culturing microorganisms in soil is greatly limited.
SUMMERY OF THE UTILITY MODEL
In view of the above, a microbial biofilm carrier suitable for soil pollution remediation is developed, so that microbes can quickly form a microbial biofilm with thallus aggregation on the carrier, the in-situ soil remediation efficiency can be improved, and the method has an important application value. The utility model discloses to the above-mentioned shortcoming that exists among the current soil organic pollution microbial remediation process, propose microorganism biofilm carrier device, this carrier can provide suitable air and moisture at soil environment, and soil acclimatization culture process accelerates, makes the bacterial form the microbial film, improves organic pollutant's degradation efficiency, and the repairing effect is showing.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a pair of a microorganism biofilm carrier device for soil organic pollution administers, microorganism biofilm carrier device includes: the primary main pipe is a hollow pipeline, one end of the primary main pipe is a water flow inlet, the other end of the primary main pipe is a water flow outlet, and a plurality of first connectors are arranged on the primary main pipe; the secondary branch pipes are hollow pipelines, one ends of the secondary branch pipes are communicated with the first connectors, the other ends of the secondary branch pipes are closed ends, and a plurality of second connectors are arranged on the secondary branch pipes; the three-stage venation tubes are hollow pipelines, one ends of the three-stage venation tubes are communicated with the second interfaces, the other ends of the three-stage venation tubes are closed ends, and a plurality of third interfaces are arranged on the three-stage venation tubes; and the film hanging end units are connected to the third interface in a sealing manner.
In the above-mentioned microorganism biofilm carrier device, the biofilm end unit includes a plurality of flagella fibers and a connecting strip, and the plurality of flagella fibers are uniformly distributed on the connecting strip.
In the above-mentioned biofilm carrier device for microorganisms, the connecting strip is the spiral fiber bundle, the spiral fiber bundle includes two spiral fibers, two spiral fibers are rotatory interweaving, flagellum fiber sets up between two spiral fibers, flagellum fiber is to the extension of peripheral space umbelliform.
In the above-mentioned microbial biofilm carrier device, the diameter of the spiral fiber bundle is 3-5mm, the length is 100-200mm, and the diameter of the flagellum fiber is 0.3-0.5mm, and the length is 3-5 mm.
In the microbial biofilm carrier device, the diameter of the primary trunk pipe is 20-50cm, the diameter of the secondary branch pipe is 5-10cm, and the diameter of the tertiary choroid pipe is 0.5-1 cm;
in the microbial biofilm carrier device, the diameter of the biofilm end unit is 0.5-1cm, and the length is 5-10 cm;
in the above microbial biofilm carrier device, the third ports are uniformly arranged on the tertiary choroid duct, and the biofilm end units are uniformly distributed around the tertiary choroid duct.
In the above-mentioned microbial biofilm carrier device, the plurality of first interfaces are arranged on the same horizontal plane, the plurality of first interfaces are arranged on both sides of the primary main pipe, and the plurality of first interfaces are arranged oppositely or in a staggered manner;
in the above-mentioned biofilm carrier device for microorganisms, a plurality of the second connectors are arranged on the same horizontal plane, a plurality of the second connectors are arranged on both sides of the secondary branch pipe, and a plurality of the second connectors are arranged oppositely or in a staggered manner.
In the above-mentioned biofilm culturing carrier device, the distance between two adjacent first interfaces arranged on the same side is D1, and the length of the tertiary choroid is L1, 3 × L1 > D1 > 2 × L1;
in the above-mentioned microorganism biofilm carrier device, the distance between two adjacent second interfaces arranged on the same side is D2, and the length of the biofilm end unit is L2, 3 × L2 > D2 > 2 × L2.
In the microbial biofilm carrier device, an angle formed between the secondary branch pipe and the primary main trunk pipe is 60-90 degrees;
in the above microbial biofilm carrier device, an angle formed between the tertiary choroid duct and the secondary branch duct is 60 ° to 90 °;
in the above microbial biofilm carrier device, an angle formed between the biofilm end unit and the tertiary choroid tube is 45 ° to 90 °.
In the microbial biofilm carrier device, the first interface is provided with a first adapter, and the secondary branch pipe is in spiral sealing connection with the first adapter;
in the microbial biofilm carrier device, a second adapter is arranged on the second interface, and the three-stage choroid tube is spirally and hermetically connected with the second adapter;
in the microbial biofilm carrier device, a third adapter is arranged on the third interface, and the plurality of biofilm carrier end units are hermetically connected with the third adapter.
In the microbial biofilm carrier device, the primary main pipe, the secondary branch pipe and the tertiary choroid pipe are made of hard plastics;
in the microbial biofilm carrier device, the primary main pipe, the secondary branch pipe and the tertiary choroid pipe are straight tubular pipelines;
in the above microbial biofilm carrier device, the primary trunk pipe, the secondary branch pipe and the tertiary choroid pipe are curved pipes.
Borrow by above-mentioned technical scheme, the utility model discloses a microorganism biofilm carrier device for soil organic pollution administers has following advantage at least:
(1) the utility model discloses can be in soil environment, provide sufficient oxygen and moisture simultaneously for pollutant degradation fungus biofilm formation growth, simultaneously, pollutant degradation fungus's biofilm formation is fast, and biofilm formation thickness is big.
(2) The utility model has the advantages of being scientific and reasonable in structural design, can extend according to polluting the soil place condition one-level trunk pipe, second grade branch pipe and tertiary choroid pipe and hang the length of membrane end unit to can adapt to the restoration in the pollution soil place of different shapes.
(3) The utility model discloses a biofilm culturing end unit has stronger mechanical strength and hydrophilic permeability, can reduce the wear rate, simultaneously, effectively promotes gas-liquid mass transfer efficiency, improves soil pollution repair effect.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a biofilm carrier device for microorganisms according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a secondary branch according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a biofilm culturing end unit provided by an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
A microorganism biofilm carrier device for soil organic pollution treatment as shown in fig. 1 to 3, the microorganism biofilm carrier device comprises: the water-saving pipeline comprises a primary main pipe 1, wherein the primary main pipe 1 is a hollow pipeline, one end of the primary main pipe 1 is a water flow inlet, the other end of the primary main pipe 1 is a water flow outlet, and a plurality of first connectors are arranged on the primary main pipe 1; the secondary branch pipes 2 are hollow pipelines, one ends of the secondary branch pipes 2 are communicated with the first connectors, the other ends of the secondary branch pipes 2 are closed ends, and a plurality of second connectors are arranged on the secondary branch pipes 2; the three-stage venation tube 3 is a hollow pipeline, one end of the three-stage venation tube 3 is communicated with the second interface, the other end of the three-stage venation tube 3 is a sealed end, and a plurality of third interfaces are arranged on the three-stage venation tube 3; and the film hanging end units 4 are connected to the third interface in a sealing manner, and the film hanging end units 4 are made of polyester fiber materials.
In the microorganism biofilm culturing carrier device shown in fig. 1 and 2 of the present embodiment, the primary trunk 1 is connected with two secondary branches 2, each secondary branch 2 is connected with six tertiary choroid tubes 3, and each tertiary choroid tube 3 is connected with 14 biofilm culturing end units 4. The above number is only one example. The number of tertiary choroid vessels 3 on different secondary branches 2 need not be the same, nor does the number of conjunctival end units 4 on different tertiary choroid vessels 3 need to be the same. The length of the primary main pipe 1 and the number and the length of the secondary branch pipes 2 are determined according to the size of a soil pollution remediation site to be treated, in the case of a large site, the length of the primary main pipe 1 can be very long, the secondary branch pipes 2 with a large number are arranged on the long primary main pipe 1, and correspondingly, the length of the secondary branch pipes 2 can accommodate more second connectors.
In this embodiment, when the method is used in a soil pollution remediation process, the specific implementation manner is as follows: the method comprises the steps of embedding the microorganism biofilm carrier device into the to-be-repaired organic contaminated soil (the soil contains pollutant degrading bacteria), connecting a water flow inlet of a primary trunk pipe 1 with a water source containing sufficient dissolved oxygen, wherein the water source is filled with the primary trunk pipe 1, a secondary branch pipe 2 and a tertiary venation pipe 3, the water in the microorganism biofilm carrier device is flowing water, and the water continuously flows out from a water flow outlet, namely, the water source can continuously provide the microorganism biofilm carrier device with water rich in sufficient dissolved oxygen. Because the membrane-hanging end unit 4 is made of polyester fiber material, the membrane-hanging end unit 4 has high hydrophilic permeability and gas-liquid mass transfer efficiency, the membrane-hanging end unit 4 can rapidly transmit moisture and oxygen to pollutant degrading bacteria, so that the pollutant degrading bacteria can rapidly form a thick microbial membrane on the membrane-hanging end unit 4, and meanwhile, the pollutant degrading bacteria continuously decompose organic pollutants, thereby improving the microbial remediation efficiency of soil organic pollution.
The microorganism biofilm culturing carrier device provided by the embodiment can at least bring the following technical effects:
(1) the utility model discloses can be in soil environment, provide sufficient oxygen and moisture simultaneously for pollutant degradation fungus biofilm formation growth, simultaneously, pollutant degradation fungus's biofilm formation is fast, and biofilm formation thickness is big.
(2) The utility model has the advantages of being scientific and reasonable in structural design, can extend according to the contaminated soil place condition one-level trunk pipe 1, second grade branch pipe 2 and tertiary venation pipe 3 and the length of hanging membrane end unit 4 to can adapt to the restoration in the contaminated soil place of different shapes.
(3) The utility model discloses a biofilm culturing end unit 4 has stronger mechanical strength and hydrophilic permeability, can reduce the wear rate, simultaneously, effectively promotes gas-liquid mass transfer efficiency, improves soil pollution repair effect.
In order to further realize a larger specific surface area in a unit volume, the embodiment further designs the membrane hanging end unit 4: the film-hanging end unit 4 comprises a plurality of flagella fibers 8 and a connecting strip, and the plurality of flagella fibers 8 are uniformly distributed on the connecting strip. Outside each flagella fiber 8, a biofilm of contaminant-degrading bacteria can be generated.
As shown in fig. 3, in order to facilitate the preparation of the hanging membrane end unit 4, the connecting strip is a spiral fiber bundle 7, the spiral fiber bundle 7 includes two spiral fibers, the two spiral fibers are rotatably interlaced, the flagella fibers 8 are disposed between the two spiral fibers, and the flagella fibers 8 extend like an umbrella toward the peripheral space. In the production of the membrane-hanging terminal unit 4 in this manner, the helical fibers and the flagella fibers 8 are first produced, the flagella fibers 8 are placed on one helical fiber, and then the other helical fiber is stacked, and then the flagella fibers 8 are fixed by rotating the two helical fibers. In the biofilm culturing terminal unit 4 prepared in this manner, the flagella fibers 8 are extended like an umbrella toward the peripheral space, and thus, the flagella fibers 8 can be uniformly distributed in the peripheral space of the spiral fiber bundle 7 to increase the amount of the biofilm of the pollutant-degrading bacteria.
Specifically, the spiral fiber bundle 7 has a diameter of 3mm and a length of 100 mm; the flagella fibers 88 were 0.3mm in diameter and 5mm in length.
As alternative embodiments, the diameter of the helical fiber bundle 7 may be any value between 3 and 5mm, the length of the helical fiber bundle 7 may be any value between 100 and 200mm, the diameter of the flagella fiber 8 may be any value between 0.3 and 0.5mm, and the length of the flagella fiber 8 may be any value between 3 and 5 mm.
In specific implementation, in order to simultaneously supply water to a plurality of secondary branch pipes 2 and a plurality of tertiary venation ducts 3, the diameter of the primary trunk pipe 1 is 30cm, the diameter of the secondary branch pipes 2 is 6cm, and the diameter of the tertiary venation ducts 3 is 1cm, so that reasonable water and oxygen supply capacity is guaranteed.
As a variable embodiment, the diameter of the primary trunk pipe 1 can be any value between 20 and 50cm, the diameter of the secondary branch pipe 2 can be any value between 5 and 10cm, and the diameter of the tertiary choroid pipe 3 can be any value between 0.5 and 1 cm.
In this embodiment, the membrane-hanging end member 4 has a diameter of 0.7cm and a length of 8cm, so that the thickness of the microorganism membrane-hanging is in a preferred range.
As an alternative embodiment, the diameter of the film hanging end unit 4 can be any value between 0.5 and 1cm, and the length can be any value between 5 and 10 cm.
In order to facilitate the arrangement of the microorganism biofilm carrier device, a plurality of first interfaces are arranged on the same horizontal plane, the plurality of first interfaces are arranged on two sides of the primary main pipe 1, and the plurality of first interfaces are oppositely arranged or staggered; the plurality of second connectors are arranged on the same horizontal plane, the plurality of second connectors are arranged on two sides of the secondary branch pipe 2, and the plurality of second connectors are arranged oppositely or in a staggered mode. That is, the membrane-hanging end units 4 disposed on the same tertiary choroid duct 3 are on the same plane, all tertiary choroid ducts 3 disposed on the same secondary branch duct 2 are on the same plane, and all secondary branch ducts 2 disposed on the same primary trunk duct 1 are on the same plane. Because the primary trunk pipe 1, the secondary branch pipe 2 and the tertiary venation pipe 3 are all made of hard plastics for bearing the soil pressure, in the mode, the primary trunk pipe, the secondary branch pipe and the tertiary venation pipe are arranged on the same plane, the stress borne by the joints is small, and the damage is not easy to damage.
The membrane hanging end unit 4 is made of flexible materials, so that the membrane hanging end unit can be uniformly arranged around the three-stage venation tube 3. The third interfaces are uniformly arranged on the three-stage venation tube 3, and the membrane hanging end units 4 are uniformly distributed around the three-stage venation tube 3. The biofilm culturing end unit 4 is prepared by mixing solid polyester fibers and polypropylene fibers according to the mass ratio of 10:1-20:1, so that the biofilm culturing end unit has high mechanical strength, keeps hydrophilic permeability, maintains the mass transfer efficiency of moisture and oxygen at a high level, and promotes microorganisms to grow and form a biofilm on the surface of the biofilm culturing end unit.
In this embodiment, the biofilm formation end unit 4 is prepared by melting and mixing polyester fiber particles and polypropylene fiber particles according to a mass ratio of 13:1, so that the biofilm formation end unit has high mechanical strength, maintains hydrophilic permeability, maintains mass transfer efficiency of moisture and oxygen at a high level, and promotes microorganisms to grow and form a biofilm on the surface of the biofilm formation end unit.
When the depth of soil to be repaired is larger, a multilayer microorganism biofilm culturing carrier device can be arranged to realize the repairing effect.
In order to avoid the crossing of the membrane-hanging end units 4 and thus influence the membrane-hanging effect of microorganisms, and in addition, to ensure that the membrane-hanging end units 4 are uniformly distributed in the soil, the distribution of the secondary branch pipes 2, the tertiary choroid pipes 3 and the membrane-hanging end units 4 is further designed in the embodiment, and the following two aspects are further defined:
first, further defined from the distance of separation, the distance between two adjacent first junctions disposed on the same side is D1, the length of the tertiary choroid tube 3 is L1, 3 × L1 > D1 > 2 × L1, the distance between two adjacent second junctions disposed on the same side is D2, the length of the peri-tra-trailation end unit 4 is L2, 3 × L2 > D2 > 2 × L2, the distance between two adjacent third junctions disposed on the same side is D3, and the length of the flagella fiber 8 is L3, 3 × L3 > D3 > 2 × L3.
Secondly, the angle formed between the secondary branch pipe 2 and the primary main pipe 1 is further limited from the set angle, and the angle formed between the secondary branch pipe and the primary main pipe 1 is 60-90 degrees; the angle formed between the tertiary choroid ducts 3 and the secondary branch ducts 2 is 60-90 °; the angle formed between the membrane end unit 4 and the tertiary choroid 3 is 45-90 degrees.
In order to realize connection expansion according to different service areas of a repair site. A first adapter is arranged on the first interface, and the secondary branch pipe 2 is spirally and hermetically connected with the first adapter through a primary connector 5 on the secondary branch pipe; a second adapter 6 is arranged on the second interface, and the third-stage venation tube 3 is in spiral sealing connection with the second adapter 6 through a secondary connector on the third-stage venation tube; and a third adapter is arranged on the third interface, and the plurality of film hanging end units 4 are hermetically connected with the third adapter.
When not needing too many secondary branch pipes 2, the first adapter on the first connector can be plugged by a plugging head. When too many tertiary venation ducts 3 are not needed, the second adapter on the second interface can be plugged through the plugging head.
Because the microorganism biofilm carrier device is buried in soil and needs to bear the pressure of the soil above, the primary main pipe 1, the secondary branch pipe 2 and the tertiary venation pipe 3 are made of hard plastics. The primary trunk pipe 1, the secondary branch pipe 2 and the tertiary venation tube 3 are in the shape of a bent pipeline in the embodiment.
As an alternative embodiment, the primary trunk 1, secondary branches 2 and tertiary choroid ducts 3 may also be shaped as straight cylindrical tubes.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A microorganism biofilm carrier device for soil organic pollution treatment, which is characterized by comprising:
the primary main pipe is a hollow pipeline, one end of the primary main pipe is a water flow inlet, the other end of the primary main pipe is a water flow outlet, and a plurality of first connectors are arranged on the primary main pipe;
the secondary branch pipes are hollow pipelines, one ends of the secondary branch pipes are communicated with the first connectors, the other ends of the secondary branch pipes are closed ends, and a plurality of second connectors are arranged on the secondary branch pipes;
the three-stage venation tubes are hollow pipelines, one ends of the three-stage venation tubes are communicated with the second interfaces, the other ends of the three-stage venation tubes are closed ends, and a plurality of third interfaces are arranged on the three-stage venation tubes;
and the film hanging end units are connected to the third interface in a sealing manner.
2. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 1,
the film hanging end unit comprises a plurality of flagella fibers and a connecting strip, and the plurality of flagella fibers are uniformly distributed on the connecting strip.
3. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 2,
the connecting strip is the spiral fiber bundle, the spiral fiber bundle includes two spiral fibers, two the spiral fiber is rotatory to be interweaved, flagellum fiber sets up between two spiral fibers, flagellum fiber is to peripheral space umbrella form extension.
4. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 3,
the diameter of the spiral fiber bundle is 3-5mm, the length of the spiral fiber bundle is 100-200mm, the diameter of the flagella fiber is 0.3-0.5mm, and the length of the flagella fiber is 3-5 mm.
5. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 1,
the diameter of the primary trunk pipe is 20-50cm, the diameter of the secondary branch pipe is 5-10cm, and the diameter of the tertiary venation pipe is 0.5-1 cm;
the diameter of the film hanging end unit is 0.5-1cm, and the length is 5-10 cm;
the third interfaces are uniformly arranged on the three-stage venation tube, and the membrane hanging end units are uniformly distributed around the three-stage venation tube.
6. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 1,
the plurality of first interfaces are arranged on the same horizontal plane, the plurality of first interfaces are arranged on two sides of the primary main pipe, and the plurality of first interfaces are arranged oppositely or in a staggered manner;
the plurality of second interfaces are arranged on the same horizontal plane, the plurality of second interfaces are arranged on two sides of the secondary branch pipe, and the plurality of second interfaces are arranged oppositely or in a staggered mode.
7. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 6,
the distance between two adjacent first interfaces arranged on the same side is D1, the length of the three-stage choroid tube is L1, 3 × L1 > D1 > 2 × L1;
the distance between two adjacent second interfaces arranged on the same side is D2, and the length of the film hanging end unit is L2, 3 x L2 > D2 > 2 x L2.
8. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 1,
the angle formed between the secondary branch pipe and the primary main pipe is 60-90 degrees;
the angle formed between the tertiary choroid ducts and the secondary branch ducts is 60-90 degrees;
the angle formed between the membrane hanging end unit and the tertiary choroid is 45-90 degrees.
9. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 1,
a first adapter is arranged on the first interface, and the secondary branch pipe is in spiral sealing connection with the first adapter;
a second adapter is arranged on the second interface, and the third-stage venation tube is in spiral sealing connection with the second adapter;
and a third adapter is arranged on the third interface, and the plurality of film hanging end units are hermetically connected with the third adapter.
10. The microbial biofilm carrier device for the treatment of organic soil pollution according to claim 1,
the primary main pipe, the secondary branch pipe and the tertiary venation pipe are made of hard plastics;
the primary main pipe, the secondary branch pipe and the tertiary venation pipe are straight tubular pipelines; or
The primary trunk pipe, the secondary branch pipe and the tertiary venation pipe are bent pipelines.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122324A (en) * | 2020-09-14 | 2020-12-25 | 湖南绿楷节能环保科技有限公司 | Bidirectional remediation method for heavy metal ion contaminated soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122324A (en) * | 2020-09-14 | 2020-12-25 | 湖南绿楷节能环保科技有限公司 | Bidirectional remediation method for heavy metal ion contaminated soil |
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