CN105906050B - The forced-ventilated drop of one kind filters biological bed and to sewage treatment process - Google Patents
The forced-ventilated drop of one kind filters biological bed and to sewage treatment process Download PDFInfo
- Publication number
- CN105906050B CN105906050B CN201610380079.4A CN201610380079A CN105906050B CN 105906050 B CN105906050 B CN 105906050B CN 201610380079 A CN201610380079 A CN 201610380079A CN 105906050 B CN105906050 B CN 105906050B
- Authority
- CN
- China
- Prior art keywords
- sewage
- packing material
- material area
- biologic packing
- cylinder
- 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.)
- Active
Links
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
-
- 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
Abstract
The present invention has supplied a kind of forced-ventilated drop to filter biological bed and to sewage treatment process, belong to technical field of sewage, it includes the sewage cylinder being vertically arranged, water distributor is connected with above sewage cylinder, bottom is equipped with outlet pipe, the lower sidewalls of sewage cylinder are additionally provided with ventilation opening, biologic packing material area is equipped between ventilation opening and water distributor, the upper and lower in biologic packing material area are aerobic zone, the middle layer in biologic packing material area is anaerobic zone, the top of the sewage cylinder is equipped with extractor fan, the air duct of " eight " word is formed in biologic packing material area by extractor fan, make sewage in aerobic zone, anaerobic zone is back and forth shaken and cyclic aeration.The device increases contact surface and the time of sewage and microorganism, makes its absorption, degradation, and effluent quality is good, high to ammonia nitrogen and tp removal rate.
Description
Technical field
The invention belongs to technical field of sewage, in particular to a kind of forced-ventilated drop filters biological bed and to sewage treatment work
Skill.
Background technique
Existing sewage treatment biological bed is to high standards such as some specific environmental treatments, or indoor sewage treatment
Expected expectation is not achieved under processing requirement, to maximize purified treatment sewage, uses mostly and adds filtering layer, add the method for aeration
It realizes, can thus increase the volume of device, it is not easy to place.
Summary of the invention
The purpose of the present invention is being directed to existing above-mentioned problem, it is rationally distributed to provide a kind of anaerobism, aerobic reaction, can
Cyclic aeration, and the forced-ventilated drop filter biological bed of device volume can be reduced.
Object of the invention can be realized by the following technical scheme: a kind of forced-ventilated drop filter biological bed, which is characterized in that
It includes the sewage cylinder being vertically arranged, and water distributor is connected with above sewage cylinder, and bottom is equipped with outlet pipe, the lower sidewalls of sewage cylinder
It is additionally provided with ventilation opening, biologic packing material area is equipped between ventilation opening and water distributor, the upper and lower in biologic packing material area are preferably
Oxygen area, the middle layer in biologic packing material area are anaerobic zone, and the top of the sewage cylinder is equipped with extractor fan.
Biologic packing material area ratio of height to diameter in the sewage cylinder is 2.5~3.6:0.8~1.6, the extractor fan to
The flow velocity of upper exhausting is 1~2 meter per second.
The axial cross section in the biologic packing material area has the air duct of " eight " word, and position is from upper among " eight " word in the air duct
It is aerobic zone under, the water sprayering hole of water distributor is arranged in the corresponding left and right sides in " eight " word air duct.
The upper layer in the biologic packing material area is equipped with 0.5~1.0cm volcanic filling material, and lower layer is equipped with 1.0~2.0cm blast furnace slag
Filler.
Deflector is equipped at the ventilation opening, the deflector is arranged obliquely, deflector and sewage cylinder inner wall it
Between be equipped with 18~28 degree of angle.
The top of the sewage cylinder is in the structure of inverted funnel, and the extractor fan is located at the neck mouth of inverted funnel structure,
There is certain spacing between biologic packing material area upper layer and extractor fan.
A kind of sewage treatment process of forced-ventilated drop filter biological bed, which is characterized in that including following below scheme:
A spreads sewage under leaching from the top in biologic packing material area, and sewage flows downward by biologic packing material area；
B extractor fan inhales sewage upwards, and upward suction is less than gravity, makes the reduced velocity flow of sewage；
The flow control of c extractor fan updraft in 1~2 meter per second, the control of biologic packing material area ratio of height to diameter 2.5~
3.6:0.8~1.6, under the action of extractor fan, the axial cross section in biologic packing material area forms the air duct of " eight " word, wherein air duct
Centre be from bottom to up aerobic zone；
D sewage flows downward under the effect of gravity, when the edge that sewage flow to " eight " word air duct is made by upward suction
With therefore sewage back and forth shakes at the edge in air duct, sewage shuttles between anaerobic zone and aerobic zone；
Sewage after e is processed under the effect of gravity eventually falls in sewage cylinder bottom, flows out of the water outlet pipe.
Compared with prior art, which flow from the top to the bottom sewage, alternately across aerobic zone, anaerobic zone, aerobic zone,
For pollutant by filler and surface microorganism absorption, degradation, effluent quality is good, high to ammonia nitrogen and tp removal rate；Gas and water reverse flow
And can cyclic aeration, high-speed air can generate broken, concussion to droplet and act on, increase sewage and microorganism contact surface and when
Between.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure, 1, extractor fan；2, water distributor；3, water sprayering hole；4, ventilation opening；5, deflector；6, outlet pipe；7, aerobic
Area；8, air duct；9, anaerobic zone；10, sewage cylinder.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Shown in Fig. 1, the present invention includes the sewage cylinder 10 being vertically arranged, and the top of sewage cylinder 10 is equipped with extractor fan 1, exhausting
The lower section of device 1 is equipped with water distributor 2, and the water distributor 2 connects external source sewage, and water distributor 2 is equipped with several water sprayering holes 3.
It is columnar biologic packing material area below water distributor 2, biologic packing material area ratio of height to diameter is 2.8~3:1~1.2, biologic packing material area
Upper layer is equipped with 0.5~1.0cm volcanic filling material, and lower layer sets 1.0~2.0cm blast furnace slag filler, and filler can increase biologic packing material area
The hole of upper and lower level.The lower sidewalls of sewage cylinder 10 are additionally provided with ventilation opening 4, and bottom is equipped with outlet pipe 6.It is equipped with and leads at ventilation opening 4
Flowing plate 5, the deflector 5 are arranged obliquely, and 18~28 degree of angle is equipped between 10 inner wall of deflector 5 and sewage cylinder, is led
The water-drop sputtering flowed down when flowing plate 5 is entered the wind in order to prevent along 10 side wall of sewage cylinder.
The top of sewage cylinder 10 is in the structure of inverted funnel, and the extractor fan 1 is located at the neck mouth of inverted funnel structure, raw
There is between extractor fan 1 certain spacing above object packing area.The above structure keeps the upper and lower in biologic packing material area equal
For aerobic zone 7, the middle layer in biologic packing material area is anaerobic zone 9.The axial cross section tool in biologic packing material area under the action of extractor fan 1
There is the air duct 8 of " eight " word, position is aerobic zone 7, the water sprayering hole 3 of water distributor 2 from top to bottom among " eight " word in the air duct 8
It is not arranged in the center in " eight " word air duct 8, but is located at edge, sewage can be made alternately across aerobic zone 7, anaerobic zone in this way
9, aerobic zone 7.
A kind of sewage treatment process of forced-ventilated drop filter biological bed: including following below scheme
A spreads sewage under leaching from the top in biologic packing material area, and sewage flows downward by biologic packing material area；
B extractor fan 1 inhales sewage upwards, and upward suction is less than gravity, makes the reduced velocity flow of sewage；
The flow control of 1 updraft of c extractor fan is controlled in 1~2 meter per second, biologic packing material area ratio of height to diameter 2.8~3:
1~1.2, under the action of extractor fan 1, the axial cross section in biologic packing material area forms the air duct 8 of " eight " word, wherein air duct 8
Centre is aerobic zone 7 from bottom to up, and the flow rate speed of above biologic packing material area ratio and updraft can achieve biology
The balanced proportion of the aerobic zone 7 of packing area, anaerobic zone 9；
D sewage flows downward under the effect of gravity, when the edge that sewage flow to " eight " word air duct 8 is made by upward suction
With therefore sewage back and forth shakes at the edge in air duct 8, sewage shuttles between anaerobic zone 9 and aerobic zone 7, and gas and water is reverse
Energy of flow cyclic aeration；
Sewage after e is processed under the effect of gravity eventually falls in 10 bottom of sewage cylinder, flows out from outlet pipe 6.
Claims (5)
1. a kind of forced-ventilated drop filters biological bed, which is characterized in that it includes the sewage cylinder being vertically arranged, and is connected with above sewage cylinder
Water distributor, bottom are equipped with outlet pipe, and the lower sidewalls of sewage cylinder are additionally provided with ventilation opening, and life is equipped between ventilation opening and water distributor
Object packing area, the upper and lower in biologic packing material area are aerobic zone, and the middle layer in biologic packing material area is anaerobic zone, the sewage
The top of cylinder is equipped with extractor fan；The top of the sewage cylinder is in the structure of inverted funnel, and the extractor fan is located at inverted funnel
At the neck mouth of structure, there is certain spacing between biologic packing material area upper layer and extractor fan；The axial direction in the biologic packing material area
Section has the air duct of " eight " word, and position is aerobic zone, the watering of water distributor from top to bottom among " eight " word in the air duct
Hole is arranged in the corresponding left and right sides in " eight " word air duct.
2. the forced-ventilated drop of one kind according to claim 1 filters biological bed, which is characterized in that the biology in the sewage cylinder
Packing area ratio of height to diameter is 2.5~3.6:0.8~1.6, and the flow velocity of the extractor fan updraft is 1~2 meter per second.
3. the forced-ventilated drop of one kind according to claim 1 or 2 filters biological bed, which is characterized in that the biologic packing material area
Upper layer is equipped with 0.5~1.0cm volcanic filling material, and lower layer is equipped with 1.0~2.0cm blast furnace slag filler.
4. the forced-ventilated drop of one kind according to claim 1 or 2 filters biological bed, which is characterized in that set at the ventilation opening
There is deflector, the deflector is arranged obliquely, and 18~28 degree of angle is equipped between deflector and sewage cylinder inner wall.
5. a kind of sewage treatment process of forced-ventilated drop filter biological bed according to any one of claims 1-4, which is characterized in that
Including following below scheme:
A spreads sewage under leaching from the top in biologic packing material area, and sewage flows downward by biologic packing material area；
B extractor fan inhales sewage upwards, and upward suction is less than gravity, makes the reduced velocity flow of sewage；
The flow control of c extractor fan updraft is controlled in 1~2 meter per second, biologic packing material area ratio of height to diameter in 2.5~3.6:0.8
~1.6, under the action of extractor fan, the axial cross section in biologic packing material area forms the air duct of " eight " word, wherein the centre in air duct
It is from bottom to up aerobic zone；
D sewage flows downward under the effect of gravity, when sewage flow to the edge in " eight " word air duct by upward suction, dirt
Therefore water back and forth shakes at the edge in air duct, sewage shuttles between anaerobic zone and aerobic zone；
Sewage after e is processed under the effect of gravity eventually falls in sewage cylinder bottom, flows out of the water outlet pipe.
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 CN105906050A (en) | 2016-08-31 |
| CN105906050B true CN105906050B (en) | 2019-10-25 |
Family
ID=56743046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105906050B (en) |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105906050A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106975311B (en) | Smoke haze removal and carbon reduction microalgae culture system and smoke treatment method | |
| CN101992020A (en) | Waste gas treatment process and fluidized-bed bioreactor used for same | |
| CN102614774A (en) | Biological treatment system of sludge odor and method for treating sludge odor by utilizing same | |
| CN1768906A (en) | Exhaust gas treatment apparatus | |
| CN1167003A (en) | Method for treating fume and system thereof | |
| CN105906050B (en) | The forced-ventilated drop of one kind filters biological bed and to sewage treatment process | |
| CN203874665U (en) | Biological filter tower for denitrification | |
| CN103990369A (en) | Turbulence aeration tower | |
| CN210332216U (en) | Differential contact countercurrent acid mist spray absorption tower | |
| CN218890375U (en) | Flue gas desulfurization and denitrification device | |
| CN202427341U (en) | Wet desulphurization device for flue gas of sintering machine | |
| CN204261516U (en) | A kind of infant industry spray tower for waste gas deduster | |
| CN104888585A (en) | Efficient waste gas spray device | |
| CN201832553U (en) | Smoke gas jet bubbling blasting desulphurization tower | |
| CN204768159U (en) | High -efficient waste gas spray set | |
| CN201530745U (en) | Sewage backflow device suitable for integrated biological reactor | |
| CN201832535U (en) | Desulfurization and denitration integrated device utilizing carbon method | |
| CN209397047U (en) | A kind of coal chemical industrial waste water removes the device of removing exhaust gas sundries | |
| CN203451280U (en) | High-tower type internal circulating activated sludge aerobic reactor | |
| CN209583781U (en) | A kind of degassing oxygenation tower | |
| CN205032027U (en) | Dedusting device | |
| CN104860486A (en) | Combined type modular biofilter suitable for fish breeding and releasing station | |
| CN102512935A (en) | Wet desulphurization process and device for sintering machine flue gas | |
| CN206715673U (en) | Foul gas processing unit | |
| CN201520707U (en) | Integrated sewage-disposal bio-contact oxidation glazed bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |