CN109292975A - A kind of nitration denitrification integrated apparatus - Google Patents
A kind of nitration denitrification integrated apparatus Download PDFInfo
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- CN109292975A CN109292975A CN201811311787.8A CN201811311787A CN109292975A CN 109292975 A CN109292975 A CN 109292975A CN 201811311787 A CN201811311787 A CN 201811311787A CN 109292975 A CN109292975 A CN 109292975A
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- denitrification
- nitrification
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- rotating
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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
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention provides a kind of nitration denitrification integrated apparatus, belong to Treatment of Coking Effluent field.It solves the problems such as existing nitration denitrification device nitrate recirculation ratio is not high enough.A kind of nitration denitrification integrated apparatus, including denitrification device and nitrification installation, there is communication port between denitrification device and nitrification installation, denitrification device is internally provided with denitrification rotating device, nitrification installation is internally provided with nitrification rotating device, denitrification rotation all has multi-disc rotating vane with nitrification rotating device, denitrification rotating device can rotate and push to coking wastewater in nitrification installation, nitrification rotating device can rotate and push to coking wastewater in denitrification device, denitrification device is provided with barrier layer one, nitrification installation is provided with barrier layer two, barrier layer one and barrier layer two are used to barrier activated sludge.
Description
Technical field
The invention belongs to Treatment of Coking Effluent fields, are related to a kind of nitration denitrification integrated apparatus.
Background technique
Domestic and international coking industry is always to pollute the more serious industry of environment.Coking wastewater is a kind of typical toxic difficulty
Degradation of organic waste water.Industrial water and steam during coke oven gas primary-cooling and coking production condense waste water.
Coking wastewater is containing pollutants such as COD, ammonia nitrogen, phenol, cyanogen, and wherein ammonia nitrogen and phenol content are very high, belongs to the organic dirt of high harmfulness industry
Water.Treatment of Coking Effluent difficulty is larger.Nitrogenous effluent denitrifying method has biological treatment, blow-off method, air- extraction, ion to hand over
Change method, break point chlorination method etc..Biological denitrificaion method is easy to operate, invest and operating cost is relatively low, applied widely, is current
The main stream approach of denitrogenation processing.The theory of bio-denitrification technology mainly has: complete nitrification and denitrification, short-cut nitrification and denitrification, same
When nitration denitrification (SND) and Anammox etc..Biological denitrificaion research is very active under these theoretical directions.
In traditional biological denitrification process, nitrification and denitrification is two or more independent dense with different dissolved oxygen
It is carried out in the reactor of degree, such to be easy to cause power consumption big, at high cost, the disadvantages of taking up a large area.It is different in anoxic section
Organic pollutant is carried out ammonification (amino in N or amino acid in organic chain) free ammonia (NH out by bacteria3、NH4 +), in abundance
Under oxygen supply condition, the nitrification of autotrophic bacterium is by NH3-N(NH4+) it is oxidized to NO3 -, by flowing back, control is back to anoxic pond,
Under anoxia condition, the denitrification of heterotrophic bacteria is by NO3 -It is reduced to molecular nitrogen (N2) circulation of C, N, O in ecology is completed,
Realize sewage harmless treatment.To improve nitric efficiency, it is necessary to increase nitrate recirculation ratio, thus increase operating cost.
Summary of the invention
It is an object of the invention to provide a kind of nitration denitrification integrated apparatus.
Object of the invention can be realized by the following technical scheme: a kind of nitration denitrification integrated apparatus, feature
It is, including denitrification device and nitrification installation that there is communication port between the denitrification device and nitrification installation, it is described
Denitrification device is internally provided with denitrification rotating device, and the nitrification installation is internally provided with nitrification rotating device, described
Denitrification rotation all have multi-disc rotating vane with nitrification rotating device, the denitrification rotating device can rotate and will
Coking wastewater pushes in nitrification installation, and the nitrification rotating device can rotate and coking wastewater is pushed to denitrification dress
In setting, the nitrification installation is provided with aerator, and the denitrification device is provided with water inlet, and the water inlet is set
It is equipped with valve one, the denitrification device is provided with barrier layer one, and the nitrification installation is provided with barrier layer two, described
Barrier layer one and barrier layer two are used to barrier activated sludge, and the barrier layer one and barrier layer two are made of filter screen,
The nitrification installation is provided with water outlet, and the water outlet is fixedly connected with outlet conduit, the outlet conduit setting
There is valve two.
The working principle of the invention: coking wastewater enters from the inlet in denitrification device and carries out anti-nitration reaction,
Hypoxia response occurs in denitrification device, the pollutants such as protein, fat are subjected to the free ammonia out of ammonification, denitrification rotating device
It rotates and pushes to coking wastewater in nitrification installation, coking wastewater carries out aerobic nitration reaction in nitrification installation again, exposes
Device of air aeration, by NH3-N(NH4+) it is oxidized to NO3 -, nitrify rotating device and again push to coking wastewater in denitrification device
Anti-nitration reaction is carried out, the water in nitrification installation enters in denitrification device, anoxic denitrification reaction is carried out, by NO3 -It is reduced to
Molecular nitrogen loops back and forth like this, until coking wastewater, by complete anti-nitration reaction and nitration reaction, this setting can increase interior
Recycle ratio improves nitric efficiency, and reduces operating cost.
In above-mentioned nitration denitrification integrated apparatus, the denitrification device and nitrification installation are cylindrical in shape, institute
Denitrification device is separated into multiple denitrification chambers, the nitrification rotating dress by the rotating vane on denitrification rotating device stated
Nitrification installation is separated into multiple nitrification chambers by the rotating vane set.
In above-mentioned nitration denitrification integrated apparatus, the barrier layer one is at least set to the one of denitrification device
Side end face, the barrier layer two are at least set to a side end face of nitrification installation.
Rotating vane in above-mentioned nitration denitrification integrated apparatus, on the denitrification device and nitrification installation
It is 3.
In above-mentioned nitration denitrification integrated apparatus, the rotating vane is arc, and the rotating vane is used
In promotion water flow.
It is described when the rotating vane pushes water flow toward side in above-mentioned nitration denitrification integrated apparatus
Rotating vane is S shape arc, and the barrier layer one is located at a side end face of denitrification device, and the barrier layer two is located at nitre
Disguise the side end face set.
It is described when the rotating vane pushes water flow toward two sides in above-mentioned nitration denitrification integrated apparatus
Rotating vane is V shape arc, and the barrier layer one is located at the both sides of the face of denitrification device, and the barrier layer two is located at nitre
Disguise the both sides of the face set.
In above-mentioned nitration denitrification integrated apparatus, the aerator includes aerated conduit and aeration head, institute
It is provided with Aeration fan on the aerated conduit stated, air is pumped into aerated conduit by the Aeration fan, on the aeration head
It is provided with micropore.
Compared with prior art, the invention has the following advantages that
1. the present invention can increase nitrate recirculation ratio, nitric efficiency is improved, and reduce operating cost.
2. barrier layer one of the invention, barrier layer two are made of filter screen.Filter screen can obstruct sludge well.
3. denitrification device and nitrification installation of the invention is cylindrical in shape, the rotating vane on denitrification rotating device will be anti-
Nitrification installation is separated into multiple denitrification chambers, and nitrification installation is separated into multiple nitrifications by the rotating vane nitrified on rotating device
Chamber is conducive to adequately stir and mix.
4. rotating vane of the invention is arc.The contact area for being conducive to increase blade and water is conducive to push water
Flowing, contacts with activated sludge.
5. aerator of the invention includes aerated conduit and aeration head, aeration wind is provided on the aerated conduit
Air is pumped into aerated conduit, is provided with micropore on the aeration head by machine, the Aeration fan.Nitrification can be greatly increased
Dissolved oxygen when device aerobic reaction in water.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is the structural schematic diagram of the V shape arc rotary blade in the present invention；
Fig. 4 is the structural schematic diagram of the S shape arc rotary blade in the present invention.
In figure, 1, denitrification device；2, nitrification installation；3, communication port；4, denitrification rotating device；5, rotating dress is nitrified
It sets；6, rotating vane；7, aerator；8, water inlet；9, valve one；10, barrier layer one；11, barrier layer two；12, water outlet；
13, outlet conduit；14, valve two；15, aerated conduit；16, aeration head；17, Aeration fan；18, micropore.
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.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of nitration denitrification integrated apparatus, including denitrification device 1 and nitrification
Device 2, has communication port 3 between denitrification device 1 and nitrification installation 2, denitrification device 1 is internally provided with denitrification rotating dress
4 are set, nitrification installation 2 is internally provided with nitrification rotating device 5, and denitrification rotation all has multi-disc rotation with nitrification rotating device 5
Blade, denitrification rotating device 4 can rotate and push to coking wastewater in nitrification installation 2, and nitrification rotating device 5 can revolve
Turn and push to coking wastewater in denitrification device 1, nitrification installation 2 is provided with aerator 7, the denitrification device 21
It is provided with water inlet 8, water inlet 8 is provided with valve 1, and denitrification device 1 is provided with barrier layer 1, and nitrification installation 2 is arranged
There is barrier layer 2 11, barrier layer 1 and barrier layer 2 11 are used to barrier activated sludge, barrier layer 1 and barrier layer 2 11
It is made of filter screen, nitrification installation 2 is provided with water outlet 12, and water outlet 12 is fixedly connected with outlet conduit 13, outlet conduit
13 are provided with valve 2 14.
Further, denitrification device 1 and nitrification installation 2 are cylindrical in shape, the rotating vane 6 on denitrification rotating device 4
Denitrification device 1 is separated into multiple denitrification chambers, nitrification installation 2 is separated into more by the rotating vane 6 on nitrification rotating device 5
A nitrification chamber.Be conducive to adequately stir and mix.
Further, barrier layer 1 is at least set to a side end face of denitrification device 21, and barrier layer 2 11 is at least set
It is placed in a side end face of nitrification installation 2.
Further, the rotating vane 6 on denitrification device 1 and nitrification installation 2 is 3.On denitrification rotating device 4
Rotating vane 6 denitrification device 1 is separated into 3 denitrification chambers, the rotating vane 6 nitrified on rotating device 5 will nitrification dress
It sets 2 and is separated into 3 nitrification chambers.
Further, rotating vane 6 is arc, and rotating vane 6 is for pushing water flow.Be conducive to increase connecing for blade and water
Contacting surface product is conducive to the flowing for pushing water, contacts with activated sludge.
Further, when rotating vane 6 pushes water flow toward side, rotating vane 6 is S shape arc, and barrier layer 1 is located at
One side end face of denitrification device 1, the barrier layer 2 11 are located at a side end face of nitrification installation 2.
Further, when rotating vane 6 pushes water flow toward two sides, rotating vane 6 is V shape arc, and barrier layer 1 is located at
The both sides of the face of denitrification device 1, barrier layer 2 11 are located at the both sides of the face of nitrification installation 2.
Further, aerator 7 includes aerated conduit 15 and aeration head 16, is provided with Aeration fan on aerated conduit 15
17, air is pumped into aerated conduit 15 by Aeration fan 17, is provided with micropore 18 on aeration head 16.Nitrification installation can be greatly increased
Dissolved oxygen when 2 aerobic reaction in water.
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.
Although denitrification device 1, nitrification installation 2, communication port 3, denitrification rotating device 4, nitre is used more herein
Change rotating device 5, rotating vane 6, aerator 7, water inlet 8, valve 1, barrier layer 1, barrier layer 2 11, water outlet
12, the terms such as outlet conduit 13, valve 2 14, aerated conduit 15, aeration head 16, Aeration fan 17, micropore 18, but be not precluded
A possibility that using other terms.The use of these items is only for be more convenient to describe and explain essence of the invention；?
They, which are construed to any additional limitation, is disagreed with spirit of that invention.
Claims (8)
1. a kind of nitration denitrification integrated apparatus, which is characterized in that described including denitrification device (1) and nitrification installation (2)
Denitrification device (1) and nitrification installation (2) between there are communication port (3), the denitrification device (1) is internally provided with instead
Nitrify rotating device (4), the nitrification installation (2) is internally provided with nitrification rotating device (5), the described denitrification rotation with
Nitrification rotating device (5) all has multi-disc rotating vane (6), and the denitrification rotating device (4) can rotate and by coking
Waste water pushes in nitrification installation (2), and the nitrification rotating device (5) can rotate and coking wastewater is pushed to denitrification
In device (1), the nitrification installation (2) is provided with aerator (7), and the denitrification device (1) is provided with water inlet
(8), the water inlet (8) is provided with valve one (9), and the denitrification device (1) is provided with barrier layer one (10), described
Nitrification installation (2) be provided with barrier layer two (11), the barrier layer one (10) and barrier layer two (11) are used to barrier and live
Property sludge, the barrier layer one (10) and barrier layer two (11) are made of filter screen, and the nitrification installation (2) is provided with
Water outlet (12), the water outlet (12) are fixedly connected with outlet conduit (13), and the outlet conduit (13) is provided with valve
Two (14) of door.
2. a kind of nitration denitrification integrated apparatus according to claim 1, which is characterized in that the denitrification device
(1) it is cylindrical in shape with nitrification installation (2), the rotating vane (6) on the denitrification rotating device (4) is by denitrification device
(1) multiple denitrification chambers are separated into, nitrification installation (2) is separated by the rotating vane (6) on the nitrification rotating device (5)
Multiple nitrification chambers.
3. a kind of nitration denitrification integrated apparatus according to claim 1, which is characterized in that the barrier layer one
(10) it is at least set to a side end face of denitrification device (1), the barrier layer two (11) is at least set to nitrification installation (2)
A side end face.
4. a kind of nitration denitrification integrated apparatus according to claim 1, which is characterized in that the denitrification device
(1) rotating vane (6) and on nitrification installation (2) is 3.
5. a kind of nitration denitrification integrated apparatus according to claim 1, which is characterized in that the rotating vane
It (6) is arc, the rotating vane (6) is for pushing water flow.
6. a kind of nitration denitrification integrated apparatus according to claim 5, which is characterized in that the rotating vane
(6) when pushing water flow toward side, the rotating vane (6) is S shape arc, and the barrier layer one (10) is located at denitrification dress
A side end face of (1) is set, the barrier layer two (11) is located at a side end face of nitrification installation (2).
7. a kind of nitration denitrification integrated apparatus according to claim 5, which is characterized in that the rotating vane
(6) when pushing water flow toward two sides, the rotating vane (6) is V shape arc, and the barrier layer one (10) is located at denitrification dress
The both sides of the face of (1) are set, the barrier layer two (11) is located at the both sides of the face of nitrification installation (2).
8. a kind of nitration denitrification integrated apparatus according to claim 1, which is characterized in that the aerator
(7) include aerated conduit (15) and aeration head (16), be provided on the aerated conduit (15) Aeration fan (17), it is described
Air is pumped into aerated conduit (15) by Aeration fan (17), is provided with micropore (18) on the aeration head (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311787.8A CN109292975A (en) | 2018-11-06 | 2018-11-06 | A kind of nitration denitrification integrated apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311787.8A CN109292975A (en) | 2018-11-06 | 2018-11-06 | A kind of nitration denitrification integrated apparatus |
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| CN109292975A true CN109292975A (en) | 2019-02-01 |
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| CN201811311787.8A Pending CN109292975A (en) | 2018-11-06 | 2018-11-06 | A kind of nitration denitrification integrated apparatus |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5539264A (en) * | 1978-09-13 | 1980-03-19 | Niigata Eng Co Ltd | Rotary disk type nitrogen removing apparatus |
| JPH07275886A (en) * | 1994-04-12 | 1995-10-24 | Kubota Corp | Biological denitration apparatus |
| JP2004351266A (en) * | 2003-05-27 | 2004-12-16 | Hitachi Kiden Kogyo Ltd | Sewage treatment system |
| CN101913705A (en) * | 2010-08-23 | 2010-12-15 | 四川省工业环境监测研究院 | Composite biological rotary net device and synchronous nitrification and denitrification method thereof |
| CN103321264A (en) * | 2012-03-19 | 2013-09-25 | 张玉林 | Spiral force-borrowing silt-breaking sand-blowing dredging device for river channel |
| CN209128142U (en) * | 2018-11-06 | 2019-07-19 | 杭州沁欣环保科技有限公司 | A kind of nitration denitrification integrated apparatus |
-
2018
- 2018-11-06 CN CN201811311787.8A patent/CN109292975A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5539264A (en) * | 1978-09-13 | 1980-03-19 | Niigata Eng Co Ltd | Rotary disk type nitrogen removing apparatus |
| JPH07275886A (en) * | 1994-04-12 | 1995-10-24 | Kubota Corp | Biological denitration apparatus |
| JP2004351266A (en) * | 2003-05-27 | 2004-12-16 | Hitachi Kiden Kogyo Ltd | Sewage treatment system |
| CN101913705A (en) * | 2010-08-23 | 2010-12-15 | 四川省工业环境监测研究院 | Composite biological rotary net device and synchronous nitrification and denitrification method thereof |
| CN103321264A (en) * | 2012-03-19 | 2013-09-25 | 张玉林 | Spiral force-borrowing silt-breaking sand-blowing dredging device for river channel |
| CN209128142U (en) * | 2018-11-06 | 2019-07-19 | 杭州沁欣环保科技有限公司 | A kind of nitration denitrification integrated apparatus |
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