CN111573967A - Ecological filter ditch for urban point source pollution treatment - Google Patents

Ecological filter ditch for urban point source pollution treatment Download PDF

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Publication number
CN111573967A
CN111573967A CN202010349438.6A CN202010349438A CN111573967A CN 111573967 A CN111573967 A CN 111573967A CN 202010349438 A CN202010349438 A CN 202010349438A CN 111573967 A CN111573967 A CN 111573967A
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CN
China
Prior art keywords
filter
ditch
layer
groove
point source
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Pending
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CN202010349438.6A
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Chinese (zh)
Inventor
谢尚侃
叶诺
吴海鸥
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Zhejiang Lvkai Environmental Protection Science & Technology Co ltd
Original Assignee
Zhejiang Lvkai Environmental Protection Science & Technology Co ltd
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Priority to CN202010349438.6A priority Critical patent/CN111573967A/en
Publication of CN111573967A publication Critical patent/CN111573967A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E03F3/046—Open sewage channels
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • 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
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Sewage (AREA)

Abstract

The invention relates to the field of ecological filter ditches, and discloses an ecological filter ditch for urban point source pollution treatment, which comprises a groove, wherein a first filter ditch and a second filter ditch are arranged in the groove, a partition plate is arranged between the first filter ditch and the second filter ditch, an interception assembly is arranged in the first filter ditch, the interception assembly comprises a filter plate, a filter, a first mounting seat and a second mounting seat, a through hole is formed in the filter plate, the filter is arranged in the through hole and comprises a barrel, the filter screen and a convex ring, the bottom of the barrel is provided with the filter screen, the outer circumference of the barrel is provided with the convex ring in a surrounding manner, the convex ring is contacted with the filter plate, and the two ends of the filter plate are; the second filter ditch comprises a drainage layer, a filter layer, a purification layer and a filter material layer from bottom to top. The invention has the advantages of filtering suspended matters and impurities in sewage, and filtering and purifying polluted water bodies, thereby improving water quality.

Description

Ecological filter ditch for urban point source pollution treatment
Technical Field
The invention relates to the field of ecological filter ditches, in particular to an ecological filter ditch for urban point source pollution treatment.
Background
In recent years, with the development of the fields of industry, science and technology and the like, the urbanization level of China is continuously improved, the number of cities and the population of the cities are continuously increased, and therefore the discharge amount of urban sewage is increasingly increased. At present, most of municipal sewage in China is directly and intensively discharged to nearby river channels without any effective treatment, so that originally clean and beautiful natural water becomes a pollutant discharge ditch. Many rivers in cities present black and odorous conditions. This situation has severely affected people's quality of life and urban environment. The treatment of urban river channels becomes a very important problem for urban construction. The utility model patent application No. 201920647001.3 discloses an urban rainwater ecological filtering ditch, which comprises a groove arranged at one side or two sides of an urban road and an ecological filtering ditch arranged in the groove; the ecological filter ditch sequentially comprises an impermeable layer, a drainage layer, a packing layer and a soil layer planted with green plants from bottom to top; a section of drain pipe is arranged at the bottom of the drainage layer at equal intervals; the wall of the drain pipe is provided with a water permeable hole; and a water pump and a water diversion pipe are installed at one end of the water drainage pipe, and the top of the water diversion pipe extends out of the soil layer and is connected with a group of spraying nozzles. The above patent has the characteristics of strong randomness, strong burstiness and large pollution treatment runoff, and solves the problem of urban rainwater flow control. However, in the prior art, in the process of treating the polluted water body caused by point source pollution in large cities, as suspended matters in the polluted water body can not be intercepted, after the polluted water body is diffused, the polluted water body becomes smelly and black, and is difficult to treat in the later period.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an ecological filter ditch for urban point source pollution treatment.
In order to solve the technical problem, the invention is solved by the following technical scheme:
the ecological filter ditch for urban point source pollution treatment comprises a groove, wherein a first filter ditch and a second filter ditch are arranged in the groove, a partition plate is arranged between the first filter ditch and the second filter ditch, an interception assembly is arranged in the first filter ditch, the interception assembly comprises a filter plate, a filter, a first mounting seat and a second mounting seat, a through hole is formed in the filter plate, the filter is arranged in the through hole and comprises a cylinder, the filter screen and a convex ring, the bottom of the cylinder is provided with the filter screen, the outer circumference of the cylinder is surrounded by the convex ring, the convex ring is in contact with the filter plate, and a first mounting seat and a second mounting seat are respectively arranged at two ends of the; the second filter ditch comprises a drainage layer, a filter layer, a purification layer and a filter material layer from bottom to top. The filter filters suspended matters and impurities in the sewage through the filter screen, thereby reducing the suspended matters and the impurities in the sewage and eliminating the problem of black and odorous water body caused by the suspended matters and the impurities; and regularly change the filter to avoid promoting the filter effect of filter because of the long-term condition that leads to blockking up of using of filter, thereby promote the filter effect of interception subassembly. Filters suspended matters and impurities in sewage through the interception component, eliminates the problem of black and odorous water body caused by the suspended matters and the impurities, and filters and purifies polluted water body, thereby improving the water quality
Preferably, a first fixing plate is arranged on the inner wall of the groove, a first threaded hole is formed in the first fixing plate, a first opening is formed in the first mounting seat, and a first screw penetrates through the first opening and then is connected with the first threaded hole; and a second fixing plate is arranged on the partition plate, a second threaded hole is formed in the second fixing plate, a second opening is formed in the second mounting seat, and a second screw penetrates through the second opening and then is connected with the second threaded hole. Through the cooperation of the first mounting seat and the first fixing plate, the cooperation of the second mounting seat and the second fixing plate, the filter plate can be detached, so that the filter can be conveniently replaced, the filter plate can be detached to be cleaned, and the blockage of the through hole in the filter plate is avoided.
Preferably, the first filtration ditch is internally provided with a mounting support, the mounting support is provided with a soil layer, the soil layer is provided with aquatic plants, and the aquatic plants are positioned below the interception component. The aquatic plants provide proper oxygen for the growth of microorganisms, and have a good absorption effect on phosphate and nitrate in the water body, so that the quality of the sewage is purified.
Preferably, the partition plate is provided with an overflow port, the groove is provided with a drain pipe, and the drain pipe is communicated with the drain layer. The sewage in the first ditch of straining flows to the second from the overflow mouth and strains in the ditch, and sewage flows out from the drain pipe after filter bed, purification layer, filter layer, drainage blanket.
Preferably, the length of the groove is 50-70cm, the height of the groove is 90-130cm, and the width of the groove is 70-80 cm.
Preferably, the drainage layer consists of gravels and gravels, the height of the drainage layer is 35cm, the volume ratio of the gravels to the gravels is 1:3, the particle size of the gravels is 30mm, and the particle size of the gravels is 50 mm.
Preferably, the filter layer is filled with quartz sand, the height of the filter layer is 20cm, and the particle size of the quartz sand is 10 mm; the purification layer is filled with zeolite, the height of the purification layer is 30cm, and the particle size of the zeolite is 6 mm; the filter material layer is formed by filling ceramsite, the height of the filter material layer is 20cm, and the particle size of the ceramsite is 5 mm.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that: the filter filters suspended matters and impurities in the sewage through the filter screen, thereby reducing the suspended matters and the impurities in the sewage and eliminating the problem of black and odorous water body caused by the suspended matters and the impurities; and regularly change the filter to avoid promoting the filter effect of filter because of the long-term condition that leads to blockking up of using of filter, thereby promote the filter effect of interception subassembly. The suspended solid and the impurities in the sewage are filtered by the interception component, the problem of black and odorous water caused by the suspended solid and the impurities is eliminated, and the polluted water is filtered and purified, so that the water quality is improved. The first filter ditch adopts the interception component and the aquatic plant to purify water, and can effectively intercept suspended matters and impurities in sewage; the ditch is strained to the second adopts the structure of precoat, purification layer, filter layer, drainage blanket, and the precoat filters the insoluble substance in the sewage, purifies the nitrogen phosphorus pollutant in the layer absorption sewage, and the drainage blanket plays the effect of uniform water distribution, utilizes the macropore that gravel and grit formed, realizes efficient drainage function. The invention has the advantages of filtering suspended matters and impurities in sewage, and filtering and purifying polluted water bodies, thereby improving water quality.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the intercepting component.
Fig. 3 is a schematic view of the filter of fig. 2 with the filter hidden.
Fig. 4 is a schematic view of the filter structure.
Fig. 5 is a schematic structural view of the first fixing plate.
Fig. 6 is a structural view of the second fixing plate.
The names of the parts indicated by the numerical references in the above figures are as follows: the filter comprises a groove 1, a groove 101, a first filter groove 102, a second filter groove 102, a first fixing plate 2, a first mounting seat 3, a first opening 301, a first screw 4, a filter plate 5, a blocking assembly 6, a second mounting seat 7, a second opening 701, a second screw 8, a second fixing plate 9, an overflow port 10, a mounting support 11, a soil layer 12, a water plant 13, a partition plate 14, a filter material layer 15, a purification layer 16, a filter layer 17, a drain pipe 18, a drain layer 19, a filter 20, a through hole 21, a first threaded hole 22, a second threaded hole 23, a cylinder 24, a convex ring 25 and a filter screen 26.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The ecological filter ditch for urban point source pollution treatment comprises a groove 1, wherein a first filter ditch 101 and a second filter ditch 102 are arranged in the groove 1, a partition plate 14 is arranged between the first filter ditch 101 and the second filter ditch 102, an interception assembly 6 is arranged in the first filter ditch 101, the interception assembly 6 comprises a filter plate 5, a filter 20, a first mounting seat 3 and a second mounting seat 7, a through hole 21 is formed in the filter plate 5, the filter 20 is arranged in the through hole 21, the filter 20 comprises a cylinder body 24, a filter screen 26 and a convex ring 25, the bottom of the cylinder body 24 is provided with the filter screen 26, the outer circumference of the cylinder body 24 is provided with the convex ring 25 in a surrounding manner, the convex ring 25 is contacted with the filter plate 5, and the two ends of the filter plate 5 are respectively provided with the first; the second filtering ditch 102 comprises a drainage layer 19, a filtering layer 17, a purifying layer 16 and a filtering material layer 15 from bottom to top. The filter 20 filters suspended matters and impurities in the sewage through the filter screen 26, thereby reducing the suspended matters and impurities in the sewage and eliminating the problem of black and odorous water body caused by the suspended matters and the impurities; and regularly change filter 20 to avoid leading to the condition of jam because of filter 20 uses for a long time, promote the filter effect of filter 20, thereby promote the filter effect of interception subassembly 6. Suspended solid, the impurity filtration in with the sewage through interception subassembly 6 eliminate because of the black smelly problem of water that suspended solid, impurity arouse, carry out filtration purification to the contaminated water to promote quality of water.
A first fixing plate 2 is arranged on the inner wall of the groove 1, a first threaded hole 22 is formed in the first fixing plate 2, a first opening 301 is formed in the first mounting seat 3, and a first screw 4 penetrates through the first opening 301 and then is connected with the first threaded hole 22; a second fixing plate 9 is arranged on the partition plate 14, a second threaded hole 23 is arranged on the second fixing plate 9, a second opening 701 is arranged on the second mounting seat 7, and a second screw 8 penetrates through the second opening 701 and then is connected with the second threaded hole 23. Through the cooperation of the first mounting base 3 and the first fixed plate 2, the cooperation of the second mounting base 7 and the second fixed plate 9, can dismantle the filter 5, thereby conveniently changing the filter 20, and also can dismantle the filter 5 and wash, avoid the through-hole 21 on the filter 5 to block up.
Still be equipped with installing support 11 in the first ditch 101 of straining, be equipped with soil horizon 12 on the installing support 11, be equipped with aquatic plant 13 on the soil horizon 12, aquatic plant 13 is located the below of interception subassembly 6. The aquatic plants 13 provide proper oxygen for the growth of microorganisms, and have a good absorption effect on phosphate and nitrate in the water body, so that the quality of the sewage is purified.
The partition 14 is provided with an overflow port 10, the groove 1 is provided with a drain pipe 18, and the drain pipe 18 is communicated with a drain layer 19. The sewage in the first filtering ditch 101 flows into the second filtering ditch 102 from the overflow port 10, and flows out from the drain pipe 18 after passing through the filter material layer 15, the purifying layer 16, the filter layer 17 and the drain layer 19.
The length of the groove 1 is 60cm, the height of the groove 1 is 110cm, and the width of the groove 1 is 75 cm.
The drainage layer 19 is composed of gravels and gravels, the height of the drainage layer 19 is 35cm, the volume ratio of the gravels to the gravels is 1:3, the particle size of the gravels is 30mm, and the particle size of the gravels is 50 mm.
The filter layer 17 is filled with quartz sand, the height of the filter layer 17 is 20cm, and the particle size of the quartz sand is 10 mm; the purification layer 16 is filled with zeolite, the height of the purification layer 16 is 30cm, and the particle size of the zeolite is 6 mm; the filter material layer 15 is formed by filling ceramsite, the height of the filter material layer 15 is 20cm, and the particle size of the ceramsite is 5 mm.
Example 2
The same as example 1, except that the length of the groove 1 was 50cm, the height of the groove 1 was 90cm, and the width of the groove 1 was 70 cm.
Example 3
The same as in example 1, except that the length of the groove 1 was 70cm, the height of the groove 1 was 130cm, and the width of the groove 1 was 80 cm.
Example 4
The ecological filter ditch for urban point source pollution treatment comprises a groove 1, wherein a first filter ditch 101 and a second filter ditch 102 are arranged in the groove 1, a partition plate 14 is arranged between the first filter ditch 101 and the second filter ditch 102, an interception assembly 6 is arranged in the first filter ditch 101, the interception assembly 6 comprises a filter plate 5, a filter 20, a first mounting seat 3 and a second mounting seat 7, a through hole 21 is formed in the filter plate 5, the filter 20 is arranged in the through hole 21, the filter 20 comprises a cylinder body 24, a filter screen 26 and a convex ring 25, the bottom of the cylinder body 24 is provided with the filter screen 26, the outer circumference of the cylinder body 24 is provided with the convex ring 25 in a surrounding manner, the convex ring 25 is contacted with the filter plate 5, and the two ends of the filter plate 5 are respectively provided with the first; the second filtering ditch 102 comprises a drainage layer 19, a filtering layer 17, a purifying layer 16 and a filtering material layer 15 from bottom to top. The filter 20 filters suspended matters and impurities in the sewage through the filter screen 26, thereby reducing the suspended matters and impurities in the sewage and eliminating the problem of black and odorous water body caused by the suspended matters and the impurities; and regularly change filter 20 to avoid leading to the condition of jam because of filter 20 uses for a long time, promote the filter effect of filter 20, thereby promote the filter effect of interception subassembly 6. Suspended solid, the impurity filtration in with the sewage through interception subassembly 6 eliminate because of the black smelly problem of water that suspended solid, impurity arouse, carry out filtration purification to the contaminated water to promote quality of water.
Example 5
The ecological filter ditch for urban point source pollution treatment comprises a groove 1, wherein a first filter ditch 101 and a second filter ditch 102 are arranged in the groove 1, a partition plate 14 is arranged between the first filter ditch 101 and the second filter ditch 102, an interception assembly 6 is arranged in the first filter ditch 101, the interception assembly 6 comprises a filter plate 5, a filter 20, a first mounting seat 3 and a second mounting seat 7, a through hole 21 is formed in the filter plate 5, the filter 20 is arranged in the through hole 21, the filter 20 comprises a cylinder body 24, a filter screen 26 and a convex ring 25, the bottom of the cylinder body 24 is provided with the filter screen 26, the outer circumference of the cylinder body 24 is provided with the convex ring 25 in a surrounding manner, the convex ring 25 is contacted with the filter plate 5, and the two ends of the filter plate 5 are respectively provided with the first; the second filtering ditch 102 comprises a drainage layer 19, a filtering layer 17, a purifying layer 16 and a filtering material layer 15 from bottom to top. The filter 20 filters suspended matters and impurities in the sewage through the filter screen 26, thereby reducing the suspended matters and impurities in the sewage and eliminating the problem of black and odorous water body caused by the suspended matters and the impurities; and regularly change filter 20 to avoid leading to the condition of jam because of filter 20 uses for a long time, promote the filter effect of filter 20, thereby promote the filter effect of interception subassembly 6. Suspended solid, the impurity filtration in with the sewage through interception subassembly 6 eliminate because of the black smelly problem of water that suspended solid, impurity arouse, carry out filtration purification to the contaminated water to promote quality of water.
A first fixing plate 2 is arranged on the inner wall of the groove 1, a first threaded hole 22 is formed in the first fixing plate 2, a first opening 301 is formed in the first mounting seat 3, and a first screw 4 penetrates through the first opening 301 and then is connected with the first threaded hole 22; a second fixing plate 9 is arranged on the partition plate 14, a second threaded hole 23 is arranged on the second fixing plate 9, a second opening 701 is arranged on the second mounting seat 7, and a second screw 8 penetrates through the second opening 701 and then is connected with the second threaded hole 23. Through the cooperation of the first mounting base 3 and the first fixed plate 2, the cooperation of the second mounting base 7 and the second fixed plate 9, can dismantle the filter 5, thereby conveniently changing the filter 20, and also can dismantle the filter 5 and wash, avoid the through-hole 21 on the filter 5 to block up.
Still be equipped with installing support 11 in the first ditch 101 of straining, be equipped with soil horizon 12 on the installing support 11, be equipped with aquatic plant 13 on the soil horizon 12, aquatic plant 13 is located the below of interception subassembly 6. The aquatic plants 13 provide proper oxygen for the growth of microorganisms, and have a good absorption effect on phosphate and nitrate in the water body, so that the quality of the sewage is purified.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims (7)

1. A ditch is strained to ecology for city point source pollution abatement, including slot (1), be equipped with in slot (1) first strain ditch (101) and second and strain ditch (102), first strain ditch (101) and second and strain and be equipped with baffle (14), its characterized in that between ditch (102): the filter comprises a first filter ditch (101), wherein an interception component (6) is arranged in the first filter ditch (101), the interception component (6) comprises a filter plate (5), a filter (20), a first mounting seat (3) and a second mounting seat (7), a through hole (21) is formed in the filter plate (5), the filter (20) is arranged in the through hole (21), the filter (20) comprises a cylinder body (24), a filter screen (26) and a convex ring (25), the bottom of the cylinder body (24) is provided with the filter screen (26), the outer circumference of the cylinder body (24) is provided with the convex ring (25) in a surrounding mode, the convex ring (25) is in contact with the filter plate (5), and the first mounting seat (3) and the second mounting seat (; the second filtering ditch (102) comprises a drainage layer (19), a filtering layer (17), a purifying layer (16) and a filtering material layer (15) from bottom to top.
2. The ecological ditch for urban point source pollution abatement according to claim 1, wherein: a first fixing plate (2) is arranged on the inner wall of the groove (1), a first threaded hole (22) is formed in the first fixing plate (2), a first opening (301) is formed in the first mounting seat (3), and a first screw (4) penetrates through the first opening (301) and then is connected with the first threaded hole (22); be equipped with second fixed plate (9) on baffle (14), be equipped with second screw hole (23) on second fixed plate (9), be equipped with second trompil (701) on second mount pad (7), second screw (8) pass behind second trompil (701) and are connected with second screw hole (23).
3. The ecological ditch for urban point source pollution abatement according to claim 1, wherein: still be equipped with installing support (11) in first ditch (101) of straining, be equipped with soil horizon (12) on installing support (11), be equipped with aquatic plant (13) on soil horizon (12), aquatic plant (13) are located the below of interception subassembly (6).
4. The ecological ditch for urban point source pollution abatement according to claim 1, wherein: an overflow port (10) is arranged on the clapboard (14), a drain pipe (18) is arranged on the groove (1), and the drain pipe (18) is communicated with a drain layer (19).
5. The ecological ditch for urban point source pollution abatement according to claim 1, wherein: the length of the groove (1) is 50-70cm, the height of the groove (1) is 90-130cm, and the width of the groove (1) is 70-80 cm.
6. The ecological ditch for urban point source pollution abatement according to claim 1, wherein: the drainage layer (19) consists of gravels and gravels, the height of the drainage layer (19) is 35cm, the volume ratio of the gravels to the gravels is 1:3, the particle size of the gravels is 30mm, and the particle size of the gravels is 50 mm.
7. The ecological ditch for urban point source pollution abatement according to claim 1, wherein: the filter layer (17) is filled with quartz sand, the height of the filter layer (17) is 20cm, and the particle size of the quartz sand is 10 mm; the purification layer (16) is filled with zeolite, the height of the purification layer (16) is 30cm, and the particle size of the zeolite is 6 mm; the filter material layer (15) is formed by filling ceramsite, the height of the filter material layer (15) is 20cm, and the particle size of the ceramsite is 5 mm.
CN202010349438.6A 2020-04-28 2020-04-28 Ecological filter ditch for urban point source pollution treatment Pending CN111573967A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010349438.6A CN111573967A (en) 2020-04-28 2020-04-28 Ecological filter ditch for urban point source pollution treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010349438.6A CN111573967A (en) 2020-04-28 2020-04-28 Ecological filter ditch for urban point source pollution treatment

Publications (1)

Publication Number Publication Date
CN111573967A true CN111573967A (en) 2020-08-25

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Application Number Title Priority Date Filing Date
CN202010349438.6A Pending CN111573967A (en) 2020-04-28 2020-04-28 Ecological filter ditch for urban point source pollution treatment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114906980A (en) * 2022-04-15 2022-08-16 九江礼涞生物科技有限公司 Rural distributed micro-power ecological sewage treatment device and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205742416U (en) * 2016-05-25 2016-11-30 张颖星 A kind of kitchen sink discharge filtering device
CN107050966A (en) * 2017-03-16 2017-08-18 嵊州市亿港阀门有限公司 A kind of modified form screen pipe
CN209507924U (en) * 2019-01-03 2019-10-18 湖南和庆源建设工程有限公司 A kind of ecology filter ditch structure suitable for river regulation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205742416U (en) * 2016-05-25 2016-11-30 张颖星 A kind of kitchen sink discharge filtering device
CN107050966A (en) * 2017-03-16 2017-08-18 嵊州市亿港阀门有限公司 A kind of modified form screen pipe
CN209507924U (en) * 2019-01-03 2019-10-18 湖南和庆源建设工程有限公司 A kind of ecology filter ditch structure suitable for river regulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114906980A (en) * 2022-04-15 2022-08-16 九江礼涞生物科技有限公司 Rural distributed micro-power ecological sewage treatment device and system

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Application publication date: 20200825