CN207072846U - A kind of biological treatment device of high-enriched organics, ammonia nitrogen waste water - Google Patents
A kind of biological treatment device of high-enriched organics, ammonia nitrogen waste water Download PDFInfo
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- CN207072846U CN207072846U CN201720805818.XU CN201720805818U CN207072846U CN 207072846 U CN207072846 U CN 207072846U CN 201720805818 U CN201720805818 U CN 201720805818U CN 207072846 U CN207072846 U CN 207072846U
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Abstract
A kind of biological treatment device of high-enriched organics, ammonia nitrogen waste water, it is characterised in that：Including reaction vessel, reaction vessel interior is separated into positioned at middle efficient anaerobic room, around the short distance nitration room of efficient anaerobic room arrangement and around the Anammox room of short distance nitration room arrangement by dividing plate, efficient anaerobic room is disposed with the first water distribution area, the first reaction zone, three-phase separation area, the first exhalant region from bottom to top, and the first reaction zone is provided with anaerobic grain sludge；Short distance nitration room is disposed with the second inhalant region, second reaction zone, the second exhalant region from top to bottom, and second reaction zone is provided with biologic packing material, and the second exhalant region is provided with aerator, and the second inhalant region connects with the first exhalant region；Anammox room is disposed with the 3rd inhalant region, the 3rd reaction zone, the reaction zone of the 3rd exhalant region the 3rd and is disposed with anaerobic ammonium oxidation granular sludge and Anammox biologic packing material from bottom to top from bottom to top, and the 3rd gathering ground connects with the second exhalant region.
Description
Technical field
The utility model is related to sewage treatment area, and in particular to a kind of high-enriched organics, ammonia nitrogen waste water biology at
Manage device.
Background technology
With the rapid development of economy, wastewater discharge is continuously increased, many industrial wastewaters, agricultural effluent and sanitary sewage
In contain nitrogen-containing pollutant, nitrate pollution to the living environment and physical and mental health of the mankind, control serious threat by nitrate pollution
Manage extremely urgent.
In order to solve the problems, such as water body nitrate pollution, substantial amounts of denitrogenation of waste water research has been carried out both at home and abroad, has been developed various useless
Denitrogenation of water technology, mainly include physico-chemical process and bioanalysis, wherein conventional physico-chemical process mainly have blow-off method, the precipitation method, absorption method,
Break point chlorination etc., but these methods there is high energy consumption, secondary pollution is serious the shortcomings of, it is difficult to large-scale promotion application, with
Physico-chemical process is compared, bioanalysis denitrogenation more economical and effective, and is widely used.
Traditional bio-denitrification technology is the bio-denitrification technology using nitrification and denitrification as core, wherein nitre
Change effect is under aerobic condition, using ammonia oxidizing bacteria by ammoxidation into nitrite, and then is incited somebody to action by NOB
Bioprocesses of the nitrite-oxidizing into nitrate；Denitrification is under anaerobic condition, by denitrifying bacteria by nitre
Hydrochlorate or nitrite are reduced to the bioprocesses of nitrogen through multistep reaction, and traditional bio-denitrification technology is applied to processing
Low Concentration Ammonia Containing Wastewater, when handling high-concentration ammonia nitrogenous wastewater, pond, which holds, very greatly, and need to consume the substantial amounts of energy and operation
Cost.
Utility model content
The purpose of this utility model is the shortcomings that overcoming prior art, there is provided one kind can reduce floor space, reduce operation
Cost, high-enriched organics, the biological treatment device of ammonia nitrogen waste water for reducing energy consumption.
The utility model adopts the following technical scheme that：
The biological treatment device of a kind of high-enriched organics, ammonia nitrogen waste water, including reaction vessel, reaction vessel interior by every
Plate is separated into positioned at middle efficient anaerobic room, around the short distance nitration room of efficient anaerobic room arrangement and around short distance nitration room cloth
The Anammox room put,
Efficient anaerobic room is disposed with the first water distribution area, the first reaction zone, three-phase separation area, the first water outlet from bottom to top
Area, the first reaction zone are provided with anaerobic grain sludge；
Short distance nitration room is disposed with the second inhalant region, second reaction zone, the second exhalant region, the second reaction from top to bottom
Area is provided with biologic packing material, and the second exhalant region is provided with aerator, and the second inhalant region connects with the first exhalant region；
It is anti-that Anammox room is disposed with the 3rd inhalant region, the 3rd reaction zone, the 3rd exhalant region the 3rd from bottom to top
Area is answered to be disposed with anaerobic ammonium oxidation granular sludge and Anammox biologic packing material, the 3rd gathering ground and second from bottom to top
Exhalant region connects.
Further, the cross section of the efficient anaerobic room, short distance nitration room and Anammox room is circle.
Further, the radius ratio of the efficient anaerobic room, short distance nitration room and Anammox room is： 1:1.5-2:
2-2.5。
Further, the anaerobic grain sludge accounts for the 30% of efficient anaerobic room volume.
Further, the efficient anaerobic room is provided with from the first exhalant region extends to the first water distribution vertically downwards
The water inlet pipe in area, the lower end connection water distributor of water inlet pipe, the water distributor carry out water distribution using annular water distributor.
Further, the three-phase separation area is provided with by multiple upper strata gas skirts, the interlaced superposition of lower floor's gas skirt
The gas collection pipeline of the gas skirt, one end and the connection of gas skirt top that rearrange, the other end and gas of gas collection pipeline
Body collection device connects.
Further, the biologic packing material accounts for the 50% of short distance nitration room volume.
Further, the aerator is annular aeration tube so that the amount of useless oxygen in water is 0.7-1.2 mg/L.
From above-mentioned to description of the present utility model, compared with prior art, the beneficial effects of the utility model are：
Realize that efficient anaerobic removes the coupling of carbon, short distance nitration, Anammox function in single reaction container, equipment can be greatly reduced and accounted for
Ground area, cost of investment is reduced, operating cost is reduced, reduces energy consumption, reduces sludge discharge rate；Utilize short distance nitration and anaerobism ammonia
Oxidizing process carries out the denitrification process of high-concentration ammonia nitrogenous wastewater, traditional nitrification-denitrification denitrification process can be overcome to need organic
Thing reduces energy resource consumption, so as to reduce operating cost as carbon source；Efficient anaerobic removes the recyclable profit of biogas caused by carbon process
With reducing the waste of the energy；The organic matter in waste water is greatly reduced by efficient anaerobic room and short distance nitration room member, so that gram
Inhibitory action of the organic matter to anaerobic ammonium oxidation process is taken；In the 3rd reaction zone bottom, anaerobic ammonium oxidation granular sludge is set,
Top sets Anammox biologic packing material, is arranged on the anaerobic ammonium oxidation granular sludge of bottom, by the use of the ammonia in waste water as
Nitrogen in waste water is converted into nitrogen, realizes the denitrification process of waste water by electron donor, nitrite as electron acceptor；Set
Anammox biologic packing material on top can effectively adsorb less anaerobic ammonium oxidation granular sludge, strengthen the 3rd reaction zone
Microorganism retains.
Brief description of the drawings
Fig. 1 is concrete structure schematic diagram of the present utility model.
Embodiment
Below by way of embodiment, the utility model will be further described.
The biological treatment device of a kind of high-enriched organics, ammonia nitrogen waste water, including reaction vessel, reaction vessel interior by every
Plate is separated into positioned at middle efficient anaerobic room 1, the short distance nitration room 2 arranged around efficient anaerobic room 1 and around short distance nitration
The Anammox room 3 that room 2 is arranged, specifically, efficient anaerobic room 1, the cross section of short distance nitration room 2 and Anammox room 3
For circle, and the bottom surface radius ratio of efficient anaerobic room 1, short distance nitration room 2 and Anammox room 3 is 1:1.5-2:2-
2.5, specifically, the bottom surface radius ratio of efficient anaerobic room 1, short distance nitration room 2 and Anammox room 3 is 1:1.75:2.25；
Efficient anaerobic room 1 be disposed with from bottom to top the first water distribution area 11, the first reaction zone 12, three-phase separation area 13,
First exhalant region 14, is additionally provided with water inlet pipe 4 and annular water distributor 5, specifically, water inlet pipe 4 is from edge above the first exhalant region 14
Vertical direction extends downward into the first water distribution area 11；Annular water distributor 5 is arranged on the first water distribution area 11, is connected with water inlet pipe 4, ring
Shape water distributor 5 is horizontally set in the first water distribution area 11, and multiple perforation 51 are arranged at intervals with pipe；First water distribution area 11 is set
In the bottom of efficient anaerobic room 1, the bottom of the first water distribution area 1 is provided with the evacuated tube 111 of discharge sludge；First reaction zone 12 is set
In the top of the first water distribution area 11, anaerobic grain sludge is provided with, anaerobic grain sludge accounts for the 30% of the volume of efficient anaerobic room 1,
Organic matter in waste water can be converted into methane gas, and improve the biodegradability of waste water；Three-phase separation area 13 is arranged on first
The top of reaction zone 12, carries out the three phase separation of gas, liquid, solid, and three-phase separation area 13 is provided with multiple pneumatic troughs 131, pneumatic trough
131 include upper pneumatic trough and lower pneumatic trough, upper pneumatic trough and lower pneumatic trough is interlaced is arranged in three-phase separation area 13, collection
The top of air drain 131 is connected with the one end of gas collection pipe 7, and the other end of gas collection pipe 7 and the collection device being arranged on outside device connect
Connect, for collecting methane gas；First exhalant region 14 is arranged on the top of three-phase separation area 13, is built-in with the first water leg 141,
The waste water entered from three-phase separation area 13, collects in the first water leg 141；
Short distance nitration room 2 is disposed with the second inhalant region 21, second reaction zone 22, the second exhalant region 23 from top to bottom,
Specifically, the second inhalant region 21 is arranged on the upper end of short distance nitration room 2, the first water leg 141 and the second inhalant region 21 by
One annular apopore connection, in the waste water that the first water leg 141 collects, the second inhalant region is flowed into by first annular apopore
21；Second reaction zone 22 is arranged on the lower section of the second inhalant region 21, and second reaction zone 22 is provided with biologic packing material, biologic packing material
The 50% of short distance nitration room 2 is accounted for, nitrococcus is attached with biologic packing material；Second exhalant region 23 is arranged on second reaction zone 22
Lower section, the second exhalant region 23 are provided with aerator, increase the content of oxygen in water, and aerator is an annular aeration tube
6, it is 0.7-1.2mg/L to control dissolved oxygen concentration by aeration tube 6, specifically, by adding sulfuric acid or hydrochloric acid, control second is anti-
The pH value of waste water in area 22 is answered in 7.3-8.0, will by oxygen caused by the nitrococcus and aeration tube that are attached on biologic packing material
Ammoxidation in waste water is nitrite, and further removes the organic matter in waste water, further, from second reaction zone 22
The waste water of outflow, the volumetric concentration ratio of ammonia nitrogen and nitrite in water is 1:1.27-1.36；
Anammox room 3 includes from bottom to top：3rd inhalant region 31, the 3rd reaction zone 32, the 3rd exhalant region 33, specifically
, the 3rd inhalant region 31 is arranged on the lower end of Anammox room 3, passes through between the second exhalant region 23 and the 3rd inhalant region 31
Second annular apopore connection, makes waste water enter the 3rd inhalant region 31 from the second exhalant region 23；3rd reaction zone 32 is arranged on
The top of three inhalant regions 31, the 50% of the volume of Anammox room 3 is accounted for, the 3rd reaction zone 32 is disposed with from bottom to top to be detested
Anaerobic ammonium oxidation granule sludge 321 and Anammox biologic packing material 322, further, anaerobic ammonium oxidation granular sludge 321 account for
The 70% of three reaction zones 32, and be attached with anaerobic ammonia oxidizing bacteria on anaerobic ammonium oxidation granular sludge 321 and pass through Anammox
The anaerobic ammonia oxidizing bacteria that adheres on grain sludge 321, by the use of the ammonia in waste water as electron donor, nitrite as electronics by
Body, the nitrogen in waste water is converted into nitrogen；Anammox biologic packing material 322 accounts for the 30% of the 3rd reaction zone 32, anaerobism ammonia oxygen
Less granule sludge can effectively be adsorbed by changing biologic packing material 322, strengthen the microorganism retention of reaction zone；3rd exhalant region 33 is set
In the top of the 3rd reaction zone 32, the second water leg 331 is built-in with, waste water enters the 3rd exhalant region 33 from the 3rd reaction zone 32,
The second water leg 331 is imported, passes through the discharger of the second water leg 331.
The processing method of this biological treatment device, comprises the following steps：
(1), waste water is entered up to the first water distribution area 11, up by the first reaction zone 12, by being arranged on from the external world
The anaerobic grain sludge of one reaction zone 12, the organic matter in waste water is decomposed into methane gas and improves the biodegradability of waste water,
By three-phase separation area 13, collect methane gas, obstruct granule sludge, waste water continue it is upper from the first exhalant region 14, into the
Two inhalant regions 21；
(2), into the waste water of the second inhalant region 21, flow downward, into second reaction zone 22, control pH value of waste water exists
7.3-8.0, waste water contact with being arranged on the nitrococcus adhered on the biologic packing material of second reaction zone 22, with reference to oxygen by waste water
In ammoxidation be nitrite, then toward flow down, from the second exhalant region 23 enter the 3rd inhalant region 31；
(3), into the waste water of the 3rd inhalant region 31, toward upstream, by the 3rd reaction zone 32, by being arranged on the 3rd reaction
The anaerobic ammonia oxidizing bacteria adhered on the anaerobic ammonium oxidation granular sludge 321 in area 32, it is sub- by the use of the ammonia in waste water as electron donor
Nitrogen in waste water is converted into nitrogen, realizes the denitrification process of waste water by nitrate as electron acceptor；
(4), the biologic packing material for being arranged on the top of the 3rd reaction zone 32 is passed through in waste water continuation upstream, adsorbs the particle in waste water
Sludge, waste water continue upper from the discharger of the 3rd exhalant region 33.
Short distance nitration room 2, it is main that following react occurs：
Anammox room, it is main that following react occurs：
The water quality situation before and after certain nitrogenous effluent treatment is shown in Table 1 using the utility model.
The high-enriched organics of table 1, the water quality situation of ammonia nitrogen waste water before and after the processing
By upper table, by being improved to device, and the amount of useless oxygen in water is effectively controlled in 0.7-
1.2mg/L, the pH value of waste water of second reaction zone 22 account for the 50% of second reaction zone 22 in 7.3-8.0, biologic packing material, make from
The waste water of two reaction zones 22 outflow, the volumetric concentration ratio of ammonia nitrogen and nitrite in water is 1:1.27-1.36 so that waste water exists
When finally discharging, the content of ammonia nitrogen is 4.7-8.6mg/L in waste water, compared with desired discharge capacity 15mg/L, has and significantly subtracts
It is few, reduce the pollution to environment to a certain extent, have significant progressive.
It is described above, preferred embodiment only of the present utility model, therefore the utility model implementation can not be limited with this
Scope, i.e., the equivalent changes and modifications made according to present utility model application the scope of the claims and description all should still belong to this
In the range of utility model patent is covered.
Claims (8)
- A kind of 1. biological treatment device of high-enriched organics, ammonia nitrogen waste water, it is characterised in that：Including reaction vessel, reaction is held It is separated into inside device by dividing plate positioned at middle efficient anaerobic room, around the short distance nitration room of efficient anaerobic room arrangement and around short The Anammox room of journey nitrification room arrangement,Efficient anaerobic room is disposed with the first water distribution area, the first reaction zone, three-phase separation area, the first exhalant region from bottom to top, First reaction zone is provided with anaerobic grain sludge；Short distance nitration room is disposed with the second inhalant region, second reaction zone, the second exhalant region from top to bottom, and second reaction zone is set Biologic packing material is equipped with, the second exhalant region is provided with aerator, and the second inhalant region connects with the first exhalant region；Anammox room is disposed with the 3rd inhalant region, the 3rd reaction zone, the reaction zone of the 3rd exhalant region the 3rd from bottom to top Anaerobic ammonium oxidation granular sludge and Anammox biologic packing material, the 3rd gathering ground and the second water outlet are disposed with from bottom to top Area connects.
- 2. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that： The cross section of the efficient anaerobic room, short distance nitration room and Anammox room is circle.
- 3. a kind of high-enriched organics according to claim 2, the biological treatment device of ammonia nitrogen waste water, it is characterised in that： The radius ratio of the efficient anaerobic room, short distance nitration room and Anammox room is：1:1.5-2:2-2.5.
- 4. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that： The anaerobic grain sludge accounts for the 30% of efficient anaerobic room volume.
- 5. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that： The efficient anaerobic room is provided with the water inlet pipe for extending to the first water distribution area vertically downwards from the first exhalant region, water inlet pipe Lower end connection water distributor, the water distributor using annular water distributor carry out water distribution.
- 6. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that： The three-phase separation area be provided with by multiple upper strata gas skirts, lower floor's gas skirt it is interlaced be arranged under the overlay the gas skirt formed, The gas collection pipeline that one end is connected with gas skirt top, the other end of gas collection pipeline are connected with gas collector.
- 7. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that： The biologic packing material accounts for the 50% of short distance nitration room volume.
- 8. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that： The aerator is annular aeration tube so that the amount of useless oxygen in water is 0.7-1.2mg/L.
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| CN107265641A (en) * | 2017-03-16 | 2017-10-20 | 泉州华大环保科技有限公司 | A kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water and its application method |
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