CN110357256A - A kind of runner biological aerated filter - Google Patents
A kind of runner biological aerated filter Download PDFInfo
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- CN110357256A CN110357256A CN201910732844.8A CN201910732844A CN110357256A CN 110357256 A CN110357256 A CN 110357256A CN 201910732844 A CN201910732844 A CN 201910732844A CN 110357256 A CN110357256 A CN 110357256A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000000945 filler Substances 0.000 claims abstract description 34
- 238000007667 floating Methods 0.000 claims abstract description 23
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000011049 filling Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 238000005273 aeration Methods 0.000 abstract description 14
- 239000010865 sewage Substances 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000035611 feeding Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004148 unit process Methods 0.000 description 2
- 241001365789 Oenanthe crocata Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of runner biological aerated filter, including filter tank and up-flow canal, up-flow canal two sides are provided with slope, slope surface filler is equipped on slope, gathering ground is formed between the slope foot and filter tank inner wall on slope, water pipe one end is crossed to be connected to gathering ground, the other end is connected to up-flow canal bottom, submersible axial flow pump is provided in up-flow canal, up-flow canal is connect with water inlet pipe and outlet pipe respectively, top of the slope to bottom of slope is provided with multiple lateral runner mounting grooves on slope surface filler, central axis is installed in runner mounting groove, runner is arranged on central axis, blade face carrier is provided on the runner bucket of runner, floating stuffing is provided in gathering ground.The present invention has broad applicability to different types of sewage, and purification efficiency is high；It can be rolled with circulating water dropping, runner, make three kinds of aeration modes of flow disturbance instead of traditional aeration tube aeration, effectively drop avoids aeration blockage and significantly reduces energy consumption；Whole water resistance is small, is not easy to plug, and replacement is convenient.
Description
Technical field
The present invention relates to sewage treatment technology fields, and in particular to a kind of runner biological aerated filter.
Background technique
Biological aerated filter is to use for reference a kind of sewage that water supply filter process are developed on the basis of ordinary biofilter
Treatment process is widely used in present sanitary sewage and field of industrial waste water treatment.
Biological aerated filter be mainly in biological tank fill raising specific surface area filler, sewage from top to bottom or by down toward
On across packing layer, packing layer lower part sets aeration tube, on the one hand pollutant in sewage is stopped by filler physical filtering, on the one hand
The microbial film grown on filler absorbs degradation.Biological aerated filter is because of operating load height, high degree of automation, impact resistance energy
Power is strong, and effluent quality is good, becomes the hot spot of present sewage treatment field research and development.
Conventional aerating biological filter pool filler type is single and usage amount is big, generallys use aeration tube aeration, whole energy consumption
Higher and filler and aeration tube easily block, and replace trouble after filler blocking, influence filter tank operation.Therefore, for the prior art
Present in shortcoming, study it is a kind of low energy consumption, be not easy to plug, wire feeding is abundant, and replacement is convenient, and treatment effeciency is high
Biological aerated filter it is very necessary.
Summary of the invention
It is an object of the invention in view of the deficiencies in the prior art, provide one kind, low energy consumption, is not easy to plug, filler
Type is abundant, and replacement is convenient, the high runner biological aerated filter for the treatment of effeciency.
In order to achieve the above purpose, the present invention uses following technical measures:
A kind of runner biological aerated filter, including filter tank further include the up-flow canal being arranged in filter tank, and up-flow canal two sides are set
It is equipped with slope, slope surface filler is equipped on slope, forms gathering ground between the slope foot and filter tank inner wall on slope, water pipe setting is crossed and exists
Slope bottom is crossed water pipe one end and is connected to gathering ground, and the other end is connected to up-flow canal bottom, is flowed up in canal and is provided with submerged axial-flow
Pump, up-flow canal are connect with water inlet pipe and outlet pipe respectively, and top of the slope to bottom of slope is provided with multiple lateral runners on slope surface filler
Mounting groove is equipped with central axis in runner mounting groove, runner is arranged on central axis, is provided with blade face on the runner bucket of runner
Carrier is provided with floating stuffing in gathering ground.
One end that water pipe is connected to gathering ground is crossed as described above was provided with water pipe strainer.
It is provided with water inlet valve on water inlet pipe as described above, water outlet tube valve is provided on outlet pipe.
Blade face carrier as described above is filament number≤1.8dtex glass fibre cotton or filament number≤1.8dtex
Pottery magnetic fiber cotton or filament number≤1.8dtex polypropylene fibre cotton.
Filter tank as described above includes filter tank bottom plate and the filter tank exterior wall that is arranged on the bottom plate of filter tank, and filter tank exterior wall is reinforcing bar
Concrete or cyclopean concrete exterior wall, filter tank bottom plate are concrete floor or antiseepage film.
Slope surface filler as described above is crushed rock filler or volcanic filling material.
The porous rotary spherical floating stuffing that floating stuffing as described above is 100~150mm of diameter, packed density are
120~150/m3。
The distance between filter tank inner wall and slope slope foot as described above are more than or equal to 1.0m；
The cross section of runner mounting groove is semicircle and radius ratio runner half path length 1-2cm, adjacent runner mounting groove
Spacing is 0.3-0.4m, and the runner bucket on runner is 6-8,
The top of the slope on slope is 0.3-0.4m lower than the top for flowing up canal, and the slope ratio on slope is 1:2-1:2.5,
The partial size of slope surface filler is 10-15mm, slope surface filler with a thickness of 0.15-0.2m,
Gathering ground depth is more than or equal to 0.45m,
Crossing water pipe is more UPVC pipes or PE pipe, and the adjacent spacing for crossing water pipe is 1.8-2.2m,
Floating stuffing is the porous rotary spherical floating stuffing of 100~150mm of diameter, packed density be 120-150/
m3。
Up-flow canal is armored concrete channel, and two sides wall top portion is made into weir plate form, overflow is made to go out water energy uniform flow.
Submersible axial flow pump is located in the middle part of up-flow canal, and up-flow canal two sides inner wall is fixed in two sides, can provide water from the bottom to top
Thrust is flowed, one or more is arranged according to filter tank volume.
Runner can be driven by water flow and be freely rotated around central axis, generally cylindric, it is preferred that runner length and runner
The length of mounting groove is identical, and central axis both ends are fixed on the exterior wall of filter tank, is hollow stainless steel tube；Runner bucket is arc plastics
Material.
The surface layer on slope is plain concrete, and inside is compacting filling soil.
Crossing water pipe strainer is stainless steel or plastic filter screen, and major function is to intercept floating stuffing, and floating stuffing is avoided to enter
Cross water pipe.
The present invention compared with the existing technology, has the advantages that
1, the present invention is rolled with circulating water dropping, runner, makes three kinds of aeration modes of flow disturbance traditional aeration tube is replaced to be aerated,
Effectively drop avoids aeration blockage and significantly reduces energy consumption；
2, present invention employs slope fillers, three kinds of ecological runner blade face carrier, floating stuffing wire feedings, to inhomogeneity
The sewage of type has broad applicability, and purification efficiency is high；
3, it is of the invention cross in water pipe and up-flow canal in for anaerobism and oxygen environment, and other regions of outside are aerobic environment,
Sewage alternate run in both environment is conducive to the progress of nitrification and denitrification reaction, and nitric efficiency is high；
4, the whole water resistance of the present invention is small, is not easy to plug, and most susceptible to plugging slope filler depth is shallower and is located at slope table
Face, replacement are convenient.
Detailed description of the invention
Fig. 1 is floor map of the invention；
Fig. 2 is diagrammatic cross-section of the invention；
Fig. 3 is runner sectional view of the invention；
Fig. 4 is runner bucket schematic diagram.
Wherein: 1- water inlet pipe；2- water inlet valve；3- flows up canal；The filter tank 4- exterior wall；The filter tank 5- bottom plate；6- submerged axial-flow
Pump；7- ecology runner；8- runner mounting groove；The slope 9-；10- slope surface filler；The gathering ground 11-；12- crosses water pipe；13- crosses water pipe filter
Net；14- floating stuffing；15- outlet pipe；16- is discharged tube valve；17- runner bucket；The blade face 18- carrier；19- central axis.
Specific embodiment
For the ease of those of ordinary skill in the art understand and implement the present invention, below with reference to embodiment to the present invention make into
The detailed description of one step, it should be understood that implementation example described herein is merely to illustrate and explain the present invention, and is not used to limit
The fixed present invention.
Embodiment 1
As Figure 1-Figure 4, a kind of runner biological aerated filter, including filter tank further include the up-flow being arranged in filter tank
Canal 3, up-flow 3 two sides of canal are provided with slope 9, slope surface filler 10 are equipped on slope 9, between the slope foot and filter tank inner wall on slope 9
Gathering ground 11 is formed, the setting of water pipe 12 is crossed in 9 bottom of slope, crosses 12 one end of water pipe and be connected to gathering ground 11, the other end and up-flow
The connection of 3 bottom of canal flows up and is provided with submersible axial flow pump 6 in canal 3, and up-flow canal 3 is connect with water inlet pipe 1 and outlet pipe 15 respectively, slope
Top of the slope to bottom of slope is provided with multiple lateral runner mounting grooves 8 on face filler 10, central axis is installed in runner mounting groove 8
19, runner is arranged on central axis 19, and blade face carrier 18 is provided on the runner bucket 17 of runner, is provided in gathering ground 11 outstanding
Floating filler 14.
It crosses one end that water pipe 12 is connected to gathering ground 11 and was provided with water pipe strainer 13.
It is provided with water inlet valve 2 on water inlet pipe 1, water outlet tube valve 16 is provided on outlet pipe 15.
Blade face carrier 18 is filament number≤1.8dtex glass fibre cotton, and average attachment is with a thickness of 5mm.
Filter tank includes filter tank bottom plate 5 and the filter tank exterior wall 4 that is arranged on filter tank bottom plate 5, and filter tank exterior wall is armored concrete,
Filter tank bottom plate is concrete floor.
Slope surface filler 10 is crushed rock filler.
Floating stuffing 14 is the porous rotary spherical floating stuffing of diameter 100mm, and packed density is 120~150/m3。
The distance between filter tank inner wall and 9 slope foot of slope are 1.0m；
The cross section of runner mounting groove 8 is semicircle, and the spacing of adjacent runner mounting groove 8 is 0.3m, the runner on runner
Blade 17 is 6, and runner bucket 17 is arc plastic material,
The top of the slope on slope 9 is 0.3m lower than the top for flowing up canal 3, and the slope ratio on slope 9 is 1:2,
The partial size of slope surface filler 10 is 10-12mm, slope surface filler 10 with a thickness of 0.15m,
11 depth of gathering ground is 0.45m,
Crossing water pipe 12 is more UPVC pipes, and the adjacent spacing for crossing water pipe 12 is 1.8m,
Floating stuffing is the porous rotary spherical floating stuffing of diameter 100mm, and packed density is 150/m3。
Sewage use intermittent loading, water inlet by water inlet pipe 1 enter up-flow canal 3 in, by submersible axial flow pump 6 promotion after by
3 top of up-flow canal is flowed down to sloped sides 9, is flowed by the runner 7 and the purification of slope surface filler 10 on slope and after rolling drop water aeration
To gathering ground 11, returned in up-flow canal 3 after floating stuffing 14 in gathering ground further purification by crossing water pipe 12, circular flow is extremely
It is discharged after meeting residence time requirement by outlet pipe 15, then carries out next stage water inlet.
Water inlet pipe 1 is managed using the PE of DN300.Water inlet valve 2 is the gate valve of DN300.
Up-flow canal 3 is armored concrete channel, specification are as follows: length × width × height=8.0m × 1.5m × 1.3m, two sides abutment wall
Top is made into weir plate form, and overflow is made to go out water energy uniform flow.
Submersible axial flow pump 6 is located at 3 middle part of up-flow canal, and two sides are fixed on up-flow 3 two sides inner wall of canal, can be provided from the bottom to top
Hydro-flow thrust, power 3kw are arranged two.
The radius of runner 7 is 0.1m, length 8m.
Central axis 19 uses hollow stainless steel tube, and both ends are fixed on filter tank exterior wall 4, length 8m, diameter 2cm；It is raw
State runner 7 can be driven by water flow and be freely rotated around central axis 19.
The surface layer on slope 9 is plain concrete, and inside is compacting filling soil.
The bottom on every skew back slope sets 3 and crosses water pipe 12, and the adjacent spacing crossed between water pipe 12 is 1.8m, crosses water pipe 12 and is
The PE of DN400 is managed.
Crossing water pipe strainer 3 is plastic filter screen, screen distance 50mm；
Outlet pipe 15 is managed using the PE of DN350, the gate valve that water outlet tube valve 16 is DN350.
Water outlet of this implementation as one sewage treatment plants conditioning tank of sewage second-level processing unit processes, idler wheel aeration life
The object filter tank residence time is 4.0h.In 6 months of continuous operation, this engineering stable water outlet is discharged steady without tertiary treatment
Surely reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) level-one A standard.
1 embodiment 1 of table runs water quality monitoring result
Embodiment 2
Water inlet pipe 1 is managed using the UPVC of DN350, and water inlet valve 2 is the butterfly valve of DN350.
Up-flow canal 3 is armored concrete channel, specification are as follows: length × width × height=12.0m × 2.0m × 1.5m, two sides abutment wall
Top is made into weir plate form, and overflow is made to go out water energy uniform flow.
Filter tank exterior wall 4 is cyclopean concrete exterior wall, and the distance between slope slope foot is 1.2m.
Filter tank bottom plate 5 is antiseepage film, can guarantee that bottom does not leak.
Submersible axial flow pump 6 is located at 3 middle part of up-flow canal, and two sides are fixed on up-flow 3 two sides inner wall of canal, can be provided from the bottom to top
Hydro-flow thrust, power 3.5kw are arranged three.
The radius of runner 7 is 0.12m, length 12m.
Runner bucket 17 on each runner 7 is 8, is arc plastic material.
Blade face carrier 18 is the ultra-fine pottery magnetic fiber cotton of filament number≤1.8dtex, and average attachment is with a thickness of 5.5mm.
Central axis 19 uses hollow stainless steel tube, and both ends are fixed on filter tank exterior wall 4, length 12m, diameter 2.5cm；
Ecological runner 7 can be driven by water flow and be freely rotated around central axis 19.
Adjacent runner installation separation is 0.4m.
Slope 9, which is located at, flows up 3 two sides of canal, and 0.4m lower than 3 top of up-flow canal at the top of slope 9, the slope ratio on slope 9 is 1:2.5,
Surface layer is plain concrete, and inside is compacting filling soil.
Slope surface filler 10 is volcanic filling material, and the partial size of slope surface filler 10 is 12-15mm, with a thickness of 0.2m.
The depth of water of gathering ground 11 is 0.50m.
The bottom on every skew back slope sets 4 and crosses water pipe 12, and the adjacent spacing crossed between water pipe 12 is 2.2m, crosses water pipe 12 and is
The UPVC of DN450 is managed.
Crossing water pipe strainer 3 is stainless steel filtering net, screen distance 80mm.
Floating stuffing 14 is the porous rotary spherical floating stuffing of diameter 150mm, and packed density is 120/m3。
Outlet pipe 15 is managed using the UPVC of DN400, the butterfly valve that water outlet tube valve 16 is DN400.
Other are consistent with embodiment 1.
Water outlet of this implementation as one sewage treatment plants conditioning tank of sewage second-level processing unit processes, idler wheel aeration life
The object filter tank residence time is 3.8h.In 6 months of continuous operation, this engineering stable water outlet is discharged steady without tertiary treatment
Surely reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) level-one A standard.
2 embodiment 2 of table runs water quality monitoring result
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of runner biological aerated filter, including filter tank, which is characterized in that it further include the up-flow canal (3) being arranged in filter tank,
Up-flow canal (3) two sides are provided with slope (9), are equipped on slope (9) slope surface filler (10), in the slope foot and filter tank of slope (9)
Gathering ground (11) are formed between wall, water pipe (12) setting is crossed in slope (9) bottom, crosses water pipe (12) one end and gathering ground (11) even
Logical, the other end be connected to up-flow canal (3) bottom, and up-flow canal (3) is interior to be provided with submersible axial flow pump (6), flow up canal (3) respectively with into
Water pipe (1) and outlet pipe (15) connect, and top of the slope to bottom of slope is provided with multiple lateral runner mounting grooves on slope surface filler (10)
(8), it is equipped with central axis (19) in runner mounting groove (8), runner, the runner bucket (17) of runner is arranged on central axis (19)
On be provided with blade face carrier (18), is provided with floating stuffing (14) in gathering ground (11).
2. a kind of runner biological aerated filter according to claim 1, which is characterized in that described crosses water pipe (12) and collection
One end of pool (11) connection was provided with water pipe strainer (13).
3. a kind of runner biological aerated filter according to claim 1, which is characterized in that set on the water inlet pipe (1)
It is equipped with water inlet valve (2), water outlet tube valve (16) is provided on outlet pipe (15).
4. a kind of runner biological aerated filter according to claim 1, which is characterized in that the blade face carrier (18) is
Filament number≤1.8dtex glass fibre cotton or filament number≤1.8dtex pottery magnetic fiber cotton or filament number≤
The polypropylene fibre cotton of 1.8dtex.
5. a kind of runner biological aerated filter according to claim 1, which is characterized in that the filter tank includes filter tank bottom
Plate (5) and filter tank exterior wall (4) on filter tank bottom plate (5) is set, filter tank exterior wall is armored concrete or cyclopean concrete exterior wall,
Filter tank bottom plate is concrete floor or antiseepage film.
6. a kind of runner biological aerated filter according to claim 1, which is characterized in that the slope surface filler (10) is
Crushed rock filler or volcanic filling material.
7. a kind of runner biological aerated filter according to claim 1, which is characterized in that the floating stuffing (14) is
The porous rotary spherical floating stuffing of 100 ~ 150mm of diameter, packed density are 120~150/m3。
8. a kind of runner biological aerated filter according to claim 1, which is characterized in that the filter tank inner wall and slope
(9) the distance between slope foot is more than or equal to 1.0m；
The cross section of runner mounting groove (8) is semicircle and radius ratio runner half path length 1-2cm, adjacent runner mounting groove (8)
Spacing be 0.3-0.4m, the runner bucket (17) on runner is 6-8,
The top of the slope on slope (9) is 0.3-0.4m lower than the top for flowing up canal (3), and the slope ratio of slope (9) is 1:2-1:2.5,
The partial size of slope surface filler (10) is 10-15mm, slope surface filler (10) with a thickness of 0.15-0.2m,
Gathering ground (11) depth is more than or equal to 0.45m,
Crossing water pipe (12) is more UPVC pipes or PE pipe, and the adjacent spacing for crossing water pipe (12) is 1.8-2.2m,
Floating stuffing is the porous rotary spherical floating stuffing of 100 ~ 150mm of diameter, and packed density is 120-150/m3。
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| CN201910732844.8A CN110357256B (en) | 2019-08-09 | 2019-08-09 | Rotary wheel aeration biological filter |
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| CN201910732844.8A CN110357256B (en) | 2019-08-09 | 2019-08-09 | Rotary wheel aeration biological filter |
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| CN110357256B CN110357256B (en) | 2024-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956359A (en) * | 2022-06-15 | 2022-08-30 | 武汉泽水生态环境科技有限公司 | Self-aeration percolation dam |
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| CN104163550A (en) * | 2014-08-19 | 2014-11-26 | 江苏山水环境建设集团股份有限公司 | Cascaded stepped artificial wetland system and construction method thereof |
| CN205151992U (en) * | 2015-08-14 | 2016-04-13 | 得利满水处理系统(北京)有限公司 | Backpurge system is united to air water |
| KR20170110903A (en) * | 2016-03-24 | 2017-10-12 | 플러스파운틴(주) | Vegetation water purification device for slope instrument |
| CN206858377U (en) * | 2017-07-04 | 2018-01-09 | 武汉中科水生环境工程股份有限公司 | A kind of roller ecology overflow dam |
| CN210710939U (en) * | 2019-08-09 | 2020-06-09 | 武汉中科水生环境工程股份有限公司 | Rotary wheel biological aerated filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114956359A (en) * | 2022-06-15 | 2022-08-30 | 武汉泽水生态环境科技有限公司 | Self-aeration percolation dam |
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