CN105906050A - Forced drainage type trickling filtration biological bed and sewage treatment process - Google Patents
Forced drainage type trickling filtration biological bed and sewage treatment process Download PDFInfo
- Publication number
- CN105906050A CN105906050A CN201610380079.4A CN201610380079A CN105906050A CN 105906050 A CN105906050 A CN 105906050A CN 201610380079 A CN201610380079 A CN 201610380079A CN 105906050 A CN105906050 A CN 105906050A
- Authority
- CN
- China
- Prior art keywords
- sewage
- packing material
- biologic packing
- material district
- biological bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
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- 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
Belonging to the technical field of sewage treatment, the invention provides a forced drainage type trickling filtration biological bed and a sewage treatment process. The biological bed comprises a vertically arranged sewage cylinder, a water distributor is connected to the upper part of the sewage cylinder, the bottom is provided with a water outlet pipe, the lower side wall of the sewage cylinder is provided with vents, a biological filler area is arranged between the vents and the water distributor, the upper layer and the lower layer of the biological filler area are both aerobic zones, the middle layer of the biological filler area is an anaerobic zone, the top of the sewage cylinder is provided with a ventilation device, the ventilation device enables the formation of an air duct in the shape of a Chinese character "eight", so that sewage can form reciprocating oscillation and cycle aeration in the aerobic zone and anaerobic zone. The biological bed increases the contact surface and time of sewage and microorganisms, pollutants are adsorbed and degraded, the effluent water quality is good, and the removal rate of ammonia nitrogen and phosphorus is high.
Description
Technical field
The invention belongs to technical field of sewage, particularly to a kind of forced-ventilated filter biology
Bed and to sewage treatment process.
Background technology
Existing sewage disposal biological bed is to some specific environmental treatment or indoor dirty
The high-level process such as water process does not reaches intended expectation under requirement, for maximizing at purification
Reason sewage, mostly have employed and adds filtering layer, and the method adding aeration realizes, and thus can strengthen
The volume of device, it is not easy to lay.
Summary of the invention
It is an object of the invention to the problem for existing above-mentioned existence, it is provided that a kind of anaerobism,
Aerobic reaction is rationally distributed, aeration capable of circulation, can reduce again forced-ventilated of device volume
Filter biological bed.
The purpose of the present invention can be realized by following technical proposal: a kind of forced-ventilated filter
Biological bed, it is characterised in that it includes the sewage cylinder being vertically arranged, the top of sewage cylinder
Being connected with water-locator, bottom is provided with outlet pipe, and the lower sidewalls of sewage cylinder is additionally provided with vent,
Between vent and water-locator, be provided with biologic packing material district, the upper strata in biologic packing material district and under
Layer is aerobic zone, and the middle level in biologic packing material district is anaerobic zone, the top of described sewage cylinder
Portion is provided with extractor fan.
Biologic packing material district ratio of height to diameter in described sewage cylinder is 2.5～3.6:0.8～1.6, institute
The flow velocity of the extractor fan updraft stated is 1～2 meter per seconds.
The axial cross section in described biologic packing material district has the air channel of " eight " word, described air channel
" eight " word middle part be aerobic zone from top to bottom, the water sprayering hole of water-locator is arranged
In the left and right sides that " eight " word air channel is corresponding.
The upper strata in described biologic packing material district is provided with 0.5～1.0cm volcanic filling material, and lower floor sets
There are 1.0～2.0cm blast furnace slag fillers.
Being provided with deflector at described vent, described deflector is arranged obliquely, leads
The angle of 18～28 degree it is provided with between stream plate and sewage cylinder inwall.
The top of the described sewage cylinder structure in funnel, described extractor fan is located at down
At the eck of funnel structure, have certain between upper strata, biologic packing material district and extractor fan
Spacing.
The sewage treatment process of a kind of forced-ventilated filter biological bed, it is characterised in that include
Below scheme:
Sewage is spread drenching by a from the top in biologic packing material district, and sewage is through biologic packing material
District flows downward；
Sewage is upwards inhaled by b extractor fan, and suction upwards is less than gravity, makes sewage
Reduced velocity flow；
The flow speed control of c extractor fan updraft is at 1～2 meter per seconds, and biologic packing material district is high
Footpath ratio controls 2.5～3.6:0.8～1.6, under the effect of extractor fan, and biologic packing material district
Axial cross section formed " eight " word air channel, wherein the centre in air channel is from bottom to up
Aerobic zone；
D sewage flows downward under gravity, when sewage flow to " eight " word air channel
Edge is by suction upwards, and therefore sewage back and forth shake at the edge in air channel, dirty
Water shuttles between anaerobic zone and aerobic zone；
Sewage after e is processed under gravity eventually falls in bottom sewage cylinder, from going out
Water pipe flows out.
Compared with prior art, this invention makes sewage flow from the top down, alternately across good
Oxygen district, anaerobic zone, aerobic zone, pollutant are filled and surface microorganism adsorbs, degraded,
Effluent quality is good, high to ammonia nitrogen and tp removal rate；Gas and water reverse flow and exposure can be circulated
Gas, high-speed air can produce broken, concussion effect to the globule, increase sewage and microorganism
Contact surface and the time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure, 1, extractor fan；2, water-locator；3, water sprayering hole；4, vent；5、
Deflector；6, outlet pipe；7, aerobic zone；8, air channel；9, anaerobic zone；10, dirty
Water drum.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
Shown in Fig. 1, the present invention includes the sewage cylinder 10 being vertically arranged, sewage cylinder 10
Top is provided with extractor fan 1, and the lower section of extractor fan 1 is provided with water-locator 2, described cloth
Hydrophone 2 connects external source sewage, and water-locator 2 is provided with some water sprayering holes 3.Water-locator 2
Lower section is columnar biologic packing material district, and biologic packing material district ratio of height to diameter is 2.8～3:1～1.2,
The upper strata in biologic packing material district is provided with 0.5～1.0cm volcanic filling material, and lower floor sets 1.0～2.0cm
Blast furnace slag filler, filler can increase the hole of biologic packing material district levels.Sewage cylinder 10
Lower sidewalls be additionally provided with vent 4, bottom is provided with outlet pipe 6.It is provided with at vent 4
Deflector 5, described deflector 5 is arranged obliquely, in deflector 5 and sewage cylinder 10
The angle of 18～28 degree it is provided with, along sewage cylinder when deflector 5 is in order to prevent air intake between wall
The water-drop sputtering that 10 sidewalls flow down.
The top of sewage cylinder 10 is in the structure of funnel, and described extractor fan 1 is located at down
At the eck of funnel structure, have certain above biologic packing material district and between extractor fan 1
Spacing.Above structure makes the upper and lower in biologic packing material district be aerobic zone 7, raw
The middle level of thing packing area is anaerobic zone 9.Biologic packing material district under the effect of extractor fan 1
Axial cross section there is the air channel 8 of " eight " word, in the middle of " eight " word in described air channel 8
Position is aerobic zone 7 from top to bottom, and the water sprayering hole 3 of water-locator 2 is not arranged in " eight "
The center in word air channel 8, but it is located at edge, sewage so can be made alternately across good
Oxygen district 7, anaerobic zone 9, aerobic zone 7.
The sewage treatment process of a kind of forced-ventilated filter biological bed: include below scheme
Sewage is spread drenching by a from the top in biologic packing material district, and sewage is through biologic packing material
District flows downward；
Sewage is upwards inhaled by b extractor fan 1, and suction upwards is less than gravity, makes sewage
Reduced velocity flow；
The flow speed control of c extractor fan 1 updraft is in 1～2 meter per seconds, biologic packing material district
Ratio of height to diameter controls 2.8～3:1～1.2, under the effect of extractor fan 1, and biologic packing material district
Axial cross section formed " eight " word air channel 8, wherein the centre in air channel 8 is from bottom to up
Being aerobic zone 7, above biologic packing material district ratio and the flow rate speed of updraft can
To reach the aerobic zone 7 in biologic packing material district, the balanced proportion of anaerobic zone 9；
D sewage flows downward under gravity, when sewage flow to " eight " word air channel 8
Edge by suction upwards, therefore sewage back and forth shake at the edge in air channel 8,
Sewage shuttles between anaerobic zone 9 and aerobic zone 7, and gas and water reverse flow kinetic energy follows
Ring aeration；
Sewage after e is processed under gravity eventually falls in bottom sewage cylinder 10, from
Outlet pipe 6 flows out.
Claims (7)
1. one kind forced-ventilated filter biological bed, it is characterised in that it includes being vertically arranged
Sewage cylinder, the top of sewage cylinder is connected with water-locator, and bottom is provided with outlet pipe, sewage cylinder
Lower sidewalls is additionally provided with vent, is provided with biologic packing material district between vent and water-locator,
The upper and lower in biologic packing material district are aerobic zone, and the middle level in biologic packing material district is anaerobism
District, the top of described sewage cylinder is provided with extractor fan.
Forced-ventilated of one the most according to claim 1 filter biological bed, its feature exists
In, the biologic packing material district ratio of height to diameter in described sewage cylinder is 2.5～3.6:0.8～1.6, institute
The flow velocity of the extractor fan updraft stated is 1～2 meter per seconds.
Forced-ventilated of one the most according to claim 2 filter biological bed, its feature exists
In, the axial cross section in described biologic packing material district has the air channel of " eight " word, described air channel
" eight " word middle part be aerobic zone from top to bottom, the water sprayering hole of water-locator is arranged
In the left and right sides that " eight " word air channel is corresponding.
4. filtering biological bed according to forced-ventilated of the one described in Claims 2 or 3, it is special
Levying and be, the upper strata in described biologic packing material district is provided with 0.5～1.0cm volcanic filling material, under
Layer is provided with 1.0～2.0cm blast furnace slag fillers.
5. filter biological bed according to forced-ventilated of one described in claim 1 or 2 or 3,
It is characterized in that, being provided with deflector at described vent, described deflector is obliquely
Arrange, between deflector and sewage cylinder inwall, be provided with the angle of 18～28 degree.
6. filter biological bed according to forced-ventilated of one described in claim 1 or 2 or 3,
It is characterized in that, the top of the described sewage cylinder structure in funnel, described convulsion dress
It is set in down at the eck of funnel structure, has between upper strata, biologic packing material district and extractor fan
There is certain spacing.
7. the sewage treatment process of one kind forced-ventilated filter biological bed, it is characterised in that bag
Include below scheme:
Sewage is spread drenching by a from the top in biologic packing material district, and sewage is through biologic packing material
District flows downward；
Sewage is upwards inhaled by b extractor fan, and suction upwards is less than gravity, makes sewage
Reduced velocity flow；
The flow speed control of c extractor fan updraft is at 1～2 meter per seconds, and biologic packing material district is high
Footpath ratio controls 2.5～3.6:0.8～1.6, under the effect of extractor fan, and biologic packing material district
Axial cross section formed " eight " word air channel, wherein the centre in air channel is from bottom to up
Aerobic zone；
D sewage flows downward under gravity, when sewage flow to " eight " word air channel
Edge is by suction upwards, and therefore sewage back and forth shake at the edge in air channel, dirty
Water shuttles between anaerobic zone and aerobic zone；
Sewage after e is processed under gravity eventually falls in bottom sewage cylinder, from going out
Water pipe flows out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610380079.4A CN105906050B (en) | 2016-05-31 | 2016-05-31 | The forced-ventilated drop of one kind filters biological bed and to sewage treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610380079.4A CN105906050B (en) | 2016-05-31 | 2016-05-31 | The forced-ventilated drop of one kind filters biological bed and to sewage treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105906050A true CN105906050A (en) | 2016-08-31 |
| CN105906050B CN105906050B (en) | 2019-10-25 |
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| CN201610380079.4A Active CN105906050B (en) | 2016-05-31 | 2016-05-31 | The forced-ventilated drop of one kind filters biological bed and to sewage treatment process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144425A (en) * | 2003-11-14 | 2005-06-09 | Anemosu:Kk | Diffuser |
| CN101781015A (en) * | 2010-01-21 | 2010-07-21 | 中国人民解放军理工大学 | Unpowered biological filtration tower |
| CN105330008A (en) * | 2015-11-11 | 2016-02-17 | 江苏华达环境工程有限公司 | Biological filter for rural domestic wastewater |
-
2016
- 2016-05-31 CN CN201610380079.4A patent/CN105906050B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144425A (en) * | 2003-11-14 | 2005-06-09 | Anemosu:Kk | Diffuser |
| CN101781015A (en) * | 2010-01-21 | 2010-07-21 | 中国人民解放军理工大学 | Unpowered biological filtration tower |
| CN105330008A (en) * | 2015-11-11 | 2016-02-17 | 江苏华达环境工程有限公司 | Biological filter for rural domestic wastewater |
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| Publication number | Publication date |
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| CN105906050B (en) | 2019-10-25 |
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