CN111285477A - Biological filter sieve for treating sewage at town sewage outfalls and application thereof - Google Patents

Biological filter sieve for treating sewage at town sewage outfalls and application thereof Download PDF

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Publication number
CN111285477A
CN111285477A CN202010216226.0A CN202010216226A CN111285477A CN 111285477 A CN111285477 A CN 111285477A CN 202010216226 A CN202010216226 A CN 202010216226A CN 111285477 A CN111285477 A CN 111285477A
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China
Prior art keywords
sewage
stuffing
box
aeration
biofiltration
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Pending
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CN202010216226.0A
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Chinese (zh)
Inventor
刘涛
孟令寒
孙丰营
包春林
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Beijing Bangyuan Environmental Protection Technology Co ltd
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Beijing Bangyuan Environmental Protection Technology Co ltd
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Priority to CN202010216226.0A priority Critical patent/CN111285477A/en
Publication of CN111285477A publication Critical patent/CN111285477A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/10Packings; Fillings; Grids
    • C02F3/105Characterized by the chemical composition
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/10Packings; Fillings; Grids
    • C02F3/105Characterized by the chemical composition
    • C02F3/107Inorganic materials, e.g. sand, silicates
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/10Packings; Fillings; Grids
    • C02F3/109Characterized by the shape
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001Runoff or storm water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The invention relates to a biological filter sieve suitable for treating sewage at a town sewage outlet. The biological filter sieve is box-type water treatment equipment and comprises onshore equipment and an underwater box body, wherein the onshore equipment mainly comprises an air blower and a solar cell power supply, the air blower is used for aeration at the bottom of the underwater box body, and the solar cell power supply is used for supplying power for the operation of the air blower; the box is water treatment's main part under water, including carbon steel box shell, the box shell left and right sides is the trompil board, and the top is equipped with a plurality of bucket formula cuboid stuffing boxes of inserting, stuffing box side and bottom surface are the trompil carbon steel board, fill different filter materials respectively in a plurality of stuffing boxes to wherein have 1 biological filter material at least, make sewage all can carry out the pertinence when every layer of packing and handle, improve the treatment effect. The device is mainly arranged on a riverbed close to a sewage port, utilizes the combination of multiple filtering fillers to treat domestic sewage discharged from the sewage port, has the functions of removing ammonia nitrogen, phosphorus, suspended matters and the like, and discharges the sewage into a riverway after improving water quality.

Description

Biological filter sieve for treating sewage at town sewage outfalls and application thereof
Technical Field
The invention relates to sewage treatment equipment, in particular to sewage treatment equipment and a sewage treatment method for a small-flow sewage port, and belongs to the technical field of multiple sewage treatment.
Background
The current social economy develops rapidly, people's living standard improves day by day, and environmental problem is also more and more severe, and the pollution of rivers and lakes not only influences the ecological balance of waters, threatens human drinking water safety too. The root cause of river and lake pollution is that the water pollutant carrying capacity exceeds the water purifying capacity of the water body, the sewage discharge port is used as a main pollution source, the water quality of the water body is continuously deteriorated due to the characteristics of large sewage discharge amount, long discharge time, high pollutant concentration and the like, all treatment schemes have little effect, after the pollution control and interception, part of the sewage discharge port can be connected into a municipal drainage pipe network or be brought into other small-sized sewage treatment stations for preliminary treatment, but a large amount of scattered sewage discharge ports directly discharge sewage into the river and lake, the difficulty of river and lake water area treatment and later maintenance is increased, and the purified water quality is difficult to maintain for a long time.
At present, most of treatment schemes for sewage outlets in the market are that a bib is built at the sewage outlet in a mode of combining plants and filter materials, the mode is simple and easy to implement, but the filter materials are easy to block, the retention time is short, and the effect of purifying water by the plants is not obvious. Wisdom biological filter sieve is a simple and easy small-size multi-functional integrated equipment that is researched and developed by beijing bang yuan environmental protection science and technology limited company, and the sewage pretreatment problem of the little drain of mainly used flow and the sewage seepage problem after accuse source cuts dirty assist other water body repair techniques, help improving the good oxygen environment of water body, reduce water pollution load, promote basin self-purification ability.
Disclosure of Invention
The invention provides a biological filter sieve suitable for treating sewage at a town sewage outlet and application thereof.
The technical problem to be solved by the invention is as follows: the invention aims to overcome the phenomenon of disordered sewage discharge in urban and rural drainage pipelines and improve and treat the phenomenon of black and odorous river channels.
The technical scheme adopted by the invention for solving the technical problems is as follows: the sewage treatment device comprises a sewage outlet, a box body, a box bottom aeration system, a water inlet layer, a water outlet layer, a water inlet.
The biological filter sieve comprises onshore equipment and an underwater box body, wherein the onshore equipment mainly comprises an air blower and a solar cell power supply, the air blower is used for aeration at the bottom of the underwater box body, and the solar cell supplies power for the operation of the air blower; the box is water treatment's main part under water, including carbon steel box shell, the box shell left and right sides is the trompil board, and the top is equipped with at least three bucket formula cuboid stuffing box of inserting, the stuffing box side and bottom surface are the trompil board, fill different filtering material respectively in every stuffing box, wherein the built-in biofilm carrier of 1 at least stuffing box for sewage can all carry out the pertinence when every layer of packing and handle, improves the treatment effect.
Furthermore, a water inlet flange pipe is arranged at the upper right corner of the shell of the box body and is connected with a water distribution pipe, and water distribution holes are uniformly formed in the water distribution pipe; the bottom of the box body is provided with an aeration pipe which is connected with at least three aeration discs.
Further, the carbon steel box shell left and right sides be the trompil board, during the placement, there is one side of flange pipe of intaking towards the river course upper reaches, the opposite side is towards the river course low reaches, the rivers that utilize river course itself drive sewage flow and advance the filler, also can purify partial river water when purifying sewage, the rubbish and the impurity in the river course are also intercepted in the trompil board hole when passing through rivers, prevent that equipment from blockking up.
Furthermore, the water inlet flange pipe is made of carbon steel and is connected with the water distribution pipe, and one side of the water distribution pipe facing the filler is provided with water distribution holes, so that sewage can uniformly disperse and flow through the filler.
Furthermore, the stuffing boxes are sequentially arranged at the top of the box body from left to right, the stuffing boxes are connected with the shell of the box body in a drawer type, and a handle is arranged at the top of the stuffing boxes, so that the stuffing boxes can be conveniently extracted and replaced; the top cover plate of the stuffing box is connected with the stuffing barrel body through screws, and the stuffing inside the stuffing box can be disassembled and replaced.
Furthermore, the aeration pipe is laid under the stuffing boxes and connected with an onshore aeration fan, the aeration pipe is connected with at least three aeration discs, and the aeration discs correspond to each stuffing box or are positioned below any two stuffing boxes.
Furthermore, the number of the stuffing boxes is 5, and the number of the aeration discs is four, and the aeration discs are positioned below any two stuffing boxes.
Furthermore, an equipment case is arranged on the shore, a power supply system and an aeration fan are mainly arranged in the equipment case, a solar battery power supply is connected with the power supply system of the equipment case, and the equipment case is arranged near the sewage port on the shore.
Furthermore, the underwater biofiltration sieve is mainly of a box body type, the whole box body is made of carbon steel sprayed plastics, the thickness of the box body is 1.6mm, the size of the box body is 1.8m multiplied by 1.0m, and the side surface of the box body is provided with a perforated plate, so that river water can conveniently flow in, sewage can be driven to flow through fillers at all levels, and meanwhile, when the sewage is cut off, the fillers are prevented from being dried by covering films.
Furthermore, the bucket-inserted stuffing box is made of carbon steel and is subjected to plastic spraying, the thickness is 1.6mm, the size is 0.9m multiplied by 0.2m multiplied by 0.8m, the side surface of the stuffing bucket is provided with a hole, the bucket body is connected with the top cover through a screw, the screw is unscrewed for filling when the stuffing is contained, the handle is arranged on the stuffing through the top cover, the stuffing can be conveniently extracted when the stuffing is replaced, the stuffing bucket needs to be drawn out after long-time filtering, the built-in stuffing is replaced, and the stuffing blockage is.
Furthermore, the specification of the solar cell is rated voltage 12V and capacity 100 AH.
The invention also provides an application of the biological filter sieve, in particular to an application of the biological filter sieve in town sewage outlets or river sewage outlets, and the size of equipment can be adjusted according to requirements.
During specific treatment, sewage is dispersed by the water inlet transverse pipes and flows through the stuffing boxes at all levels under the drive of river water, the aeration system at the bottom of the box body aerates the sewage in the box body, and the treated sewage is discharged into a river channel from the hole in the side wall of the box body.
The product of the invention has the beneficial effects that:
1. aiming at the less environment-friendly equipment for collecting and treating the sewage at scattered discharge outlets in cities and towns, the invention combines the filler filtering, biological purification and aeration oxygenation technologies, increases the oxygen content of the water body while removing pollutants in the water, assists other water body restoration technologies, helps to improve the aerobic environment of the water body, reduces the pollution load of the water body and improves the self-purification capability of a drainage basin.
2. The biological filter sieve adopts the bucket-inserting type stuffing boxes, different independent units of different stuffing boxes can be used for placing different types of water purifying filter materials according to the actual water quality condition, and pollutants can be removed in a targeted mode.
3. Aiming at the sewage treatment of scattered sewage outlets, the biological filter sieve disclosed by the invention takes the discontinuity of sewage quantity of the sewage outlets into consideration, when the biological filter sieve is used, the equipment box body is placed under water, and the pore plates on the left side and the right side of the box body feed water to ensure that the box body is completely immersed, so that the drying death of a biological film on a filler is prevented when the sewage outlets are cut off, and the problem of unstable water feed flow is solved.
4. For the special condition of a large amount of biological sewage in town sewage, the biological sewage generally contains organic pollutants, the filter sieve of the application needs to be added with biological filler, the biological filler has the advantages of large specific surface area, light weight, high strength, corrosion resistance and the like, has natural advantages as a carrier of a microorganism biofilm formation, and has a particularly good effect on treating the town sewage.
Description of the drawings:
FIG. 1 is a schematic view of an underwater case of the present invention
Fig. 2 is a schematic view of the cross water inlet pipe of the present invention.
Fig. 3 is a cross-sectional view of the underwater case of the present invention.
Detailed Description
In order to better understand the invention, the contents of the invention are further clarified below with reference to examples to embody the functions of the invention. However, the present invention is not limited to the following examples.
The biological filter sieve suitable for treating the sewage at the urban sewage discharge outlet comprises onshore equipment and an underwater box body, wherein the onshore equipment mainly comprises an air blower and a solar cell power supply, the air blower is used for aerating at the bottom of the underwater box body, and the solar cell supplies power for the operation of the air blower; the box is water treatment's main part under water, including carbon steel box shell 1, the box shell left and right sides is trompil board 2, and the box material is carbon steel spraying plastics, and thickness 1.6mm, size 1.8m 1.0m, and the trompil board 2 of box side is convenient for the river inflow, drives the sewage and flows through the filler at all levels, when preventing simultaneously that sewage from cutting off the flow, and the filler tectorial membrane mummification is. The box top is equipped with 5 and inserts bucket formula cuboid gland packing 3, 3 sides of gland packing and bottom surface are the trompil board, and the gland packing is packed into by screwed connection with the top cap by unscrewing the screw during splendid attire is packed, and the top cap configuration handle is led to the packing, and the packing of being convenient for draws when leading to the change, need take out the packing bucket after filtering for a long time, changes built-in packing, avoids packing to block up. The material of the bucket-inserting type stuffing boxes is carbon steel spray-molded, the thickness of the bucket-inserting type stuffing boxes is 1.6mm, the size of the bucket-inserting type stuffing boxes is 0.9m multiplied by 0.2m multiplied by 0.8m, different filtering materials are respectively filled in each stuffing box, and biological fillers are filled in at least 1 stuffing box, so that sewage can be subjected to targeted treatment when passing through each layer of fillers, and the treatment effect is improved. The side surface of the stuffing barrel is provided with a hole, furthermore, the upper right corner of the box body shell 1 is provided with a water inlet flange pipe 4, the water inlet flange pipe 4 is connected with a water distribution pipe 5, and the water distribution pipe 5 is uniformly provided with water distribution holes 6; the bottom of the box body is provided with an aeration pipe 7, the aeration pipe 7 is laid under the stuffing boxes 3, the aeration pipe 7 is connected with an onshore aeration fan, the aeration pipe 7 is connected with 4 aeration discs 8 and is positioned below any two stuffing boxes 3.
The water inlet flange pipe 4 is made of carbon steel and is connected with the water distribution pipe 5, and one side of the water distribution pipe 5 facing the filler is provided with water distribution holes 6, so that sewage can uniformly disperse and flow through the filler. The 5 stuffing boxes 3 are sequentially arranged at the top of the box body from left to right, the stuffing boxes 3 are connected with the box body shell 1 in a drawer type manner, and a handle is arranged at the top of each stuffing box 3, so that the stuffing boxes can be conveniently extracted and replaced; and the top cover plate of the stuffing box 3 is connected with the stuffing barrel body through screws, and the internal stuffing can be disassembled and replaced. The shore is also provided with an equipment case, a power supply system and an aeration fan are mainly arranged in the equipment case, a solar battery power supply is connected with the power supply system of the equipment case, and the equipment case is arranged near the shore and close to a sewage port. The specification of the solar cell is rated voltage 12V and capacity 100 AH.
The 5 stuffing boxes 3 of the embodiment are sequentially filled with stuffing from near to far from the water inlet flange pipe: grid filler, biological ribbon filler, fiber ball filler, ceramic ball filler and zeolite filler.
The biofiltration sieve of this embodiment is when specifically using, and the box sinks in drain below water, and there is one side of intake flange pipe 4 towards the river course upper reaches, and the opposite side is towards river course low reaches, utilizes the rivers of river course itself to drive sewage flow and advances the filler, also can purify partial river water when purifying sewage, and rubbish and impurity in the river course are also intercepted in 2 holes in trompil board when passing through rivers, prevent that equipment from blockking up. .
During specific treatment, sewage is dispersed by the water inlet transverse pipes and flows through the stuffing boxes at all levels under the drive of river water, the aeration system at the bottom of the box body aerates the sewage in the box body, the water treatment efficiency is improved, the water body is oxygenated, and the treated sewage is discharged into a river channel through the holes in the side walls of the box body.
In some other embodiments, the size of the box body equipment can be determined according to the water quantity of the sewage discharge outlet on a specific actual site, geography and other conditions, and the form and the type of the filter material in the box body can be determined according to the field water quality characteristic condition. The sewage ports of general urban drainage pipelines are mostly factory drainage and domestic sewage, and the sewage ports of rural drainage pipelines are mostly the collection of domestic water and surface rainwater of residents, so that the water quality needs to be treated at the source of drainage, the pollution amount of a river channel is reduced, the quality of water bodies discharged from rivers and lakes is improved, and the ecological environment is improved, so that the invention is needed to treat the water bodies in a targeted manner.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A biofiltration sieve suitable for sewage treatment of town sewage outlets comprises onshore equipment and an underwater box body, wherein the onshore equipment mainly comprises an air blower and a solar cell power supply, the air blower is used for aeration at the bottom of the underwater box body, and the solar cell supplies power for the operation of the air blower; the box is water treatment's main part under water, including carbon steel box shell (1), the box shell left and right sides is trompil board (2), and the top is equipped with at least three bucket formula cuboid stuffing box (3) of inserting, stuffing box (3) side and bottom surface are the trompil board, fill different filtering material respectively in every stuffing box, wherein 1 at least built-in biofilm carrier for sewage can all carry out the pertinence when every layer of filler and handle the effect.
2. The biofiltration screen according to claim 1, wherein: a water inlet flange pipe (4) is arranged at the upper right corner of the box body shell (1), the water inlet flange pipe (4) is connected with a water distribution pipe (5), and water distribution holes (6) are uniformly formed in the water distribution pipe (5); the bottom of the box body is provided with an aeration pipe (7), and the aeration pipe (7) is connected with at least three aeration discs (8).
3. The biofiltration screen according to claim 1, wherein: carbon steel box shell (1) left and right sides is trompil board (2), and during the placement, there is one side of flange pipe (4) of intaking towards the river course upper reaches, and the opposite side is towards the river course low reaches, utilizes the rivers of river course itself to drive sewage flow and advances the filler, also can purify partial river when purifying sewage, and trompil board (2) hole also intercepts rubbish and impurity in the river course when passing through rivers, prevents that equipment from blockking up.
4. The biofiltration screen according to claim 1, wherein: the water inlet flange pipe (4) is made of carbon steel and is connected with the water distribution pipe (5), and the water distribution pipe (5) is provided with water distribution holes (6) towards one side of the filler, so that sewage can uniformly disperse and flow through the filler.
5. The biofiltration screen according to claim 1, wherein: the stuffing boxes (3) are sequentially arranged at the top of the box body from left to right, the stuffing boxes (3) are connected with the box body shell (1) in a drawer type, and a handle is arranged at the top of the stuffing boxes (3) to facilitate the extraction and replacement of the stuffing boxes; the top cover plate of the stuffing box (3) is connected with the stuffing barrel body through screws, and the internal stuffing can be disassembled and replaced.
6. The biofiltration screen according to claim 1, wherein: aeration pipe (7) are laid under stuffing box (3), and aeration pipe (7) are connected the bank aeration fan, connect at least three aeration dish (8) on aeration pipe (7), aeration dish (8) correspond every stuffing box (3) or are located the below between two arbitrary stuffing boxes (3).
7. A biofiltration screen according to any one of claims 1 to 5, characterised in that there are 5 stuffing boxes (3) and four aeration discs (8) located below and between any two stuffing boxes (3).
8. A biofiltration screen according to any one of claims 1 to 5, wherein: the shore is also provided with an equipment case, a power supply system and an aeration fan are mainly arranged in the equipment case, a solar battery power supply is connected with the power supply system of the equipment case, and the equipment case is arranged near the shore and close to a sewage port.
9. The biofiltration screen according to claim 1, wherein the solar cell is rated at 12V and 100AH capacity.
10. Use of a biofiltration sieve according to any one of claims 1 to 10 in urban sewage outlets or river sewage outlets, the size of the equipment being adjustable as required.
CN202010216226.0A 2020-03-25 2020-03-25 Biological filter sieve for treating sewage at town sewage outfalls and application thereof Pending CN111285477A (en)

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Application Number Priority Date Filing Date Title
CN202010216226.0A CN111285477A (en) 2020-03-25 2020-03-25 Biological filter sieve for treating sewage at town sewage outfalls and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010216226.0A CN111285477A (en) 2020-03-25 2020-03-25 Biological filter sieve for treating sewage at town sewage outfalls and application thereof

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Publication Number Publication Date
CN111285477A true CN111285477A (en) 2020-06-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113415959A (en) * 2021-08-25 2021-09-21 湖南江山春锦科技有限公司 Modular acid mine wastewater treatment equipment
WO2022083803A1 (en) * 2021-01-11 2022-04-28 凌志环保股份有限公司 Liftable purifying tank for treating rural domestic sewage

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Publication number Priority date Publication date Assignee Title
KR200336701Y1 (en) * 2003-07-29 2003-12-24 김재필 Polluted river-water purification system using direct aeration
CN205152005U (en) * 2015-11-19 2016-04-13 上海欧保环境科技有限公司 Drain preliminary treatment integrated system
CN106396080A (en) * 2016-10-11 2017-02-15 浙江海洋大学 Biofilm pretreatment device for polluted raw water purification
CN106630127A (en) * 2016-11-29 2017-05-10 深圳市铁汉生态环境股份有限公司 Cage drawer type contact-oxidation device
CN206417904U (en) * 2016-11-29 2017-08-18 深圳市铁汉生态环境股份有限公司 A kind of steaming utensil type catalytic oxidation device
CN110183065A (en) * 2019-07-03 2019-08-30 天津生态城环保有限公司 It is a kind of for administering the recovery technique in the shallow unhurried current river of eutrophication

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200336701Y1 (en) * 2003-07-29 2003-12-24 김재필 Polluted river-water purification system using direct aeration
CN205152005U (en) * 2015-11-19 2016-04-13 上海欧保环境科技有限公司 Drain preliminary treatment integrated system
CN106396080A (en) * 2016-10-11 2017-02-15 浙江海洋大学 Biofilm pretreatment device for polluted raw water purification
CN106630127A (en) * 2016-11-29 2017-05-10 深圳市铁汉生态环境股份有限公司 Cage drawer type contact-oxidation device
CN206417904U (en) * 2016-11-29 2017-08-18 深圳市铁汉生态环境股份有限公司 A kind of steaming utensil type catalytic oxidation device
CN110183065A (en) * 2019-07-03 2019-08-30 天津生态城环保有限公司 It is a kind of for administering the recovery technique in the shallow unhurried current river of eutrophication

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022083803A1 (en) * 2021-01-11 2022-04-28 凌志环保股份有限公司 Liftable purifying tank for treating rural domestic sewage
CN113415959A (en) * 2021-08-25 2021-09-21 湖南江山春锦科技有限公司 Modular acid mine wastewater treatment equipment
CN113415959B (en) * 2021-08-25 2021-12-31 湖南江山春锦科技有限公司 Modular acid mine wastewater treatment equipment

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Application publication date: 20200616