CN206089371U - A biochemical reactor that is used for decalcification of chemical industry waste water to denitrogenate - Google Patents
A biochemical reactor that is used for decalcification of chemical industry waste water to denitrogenate Download PDFInfo
- Publication number
- CN206089371U CN206089371U CN201621115602.2U CN201621115602U CN206089371U CN 206089371 U CN206089371 U CN 206089371U CN 201621115602 U CN201621115602 U CN 201621115602U CN 206089371 U CN206089371 U CN 206089371U
- Authority
- CN
- China
- Prior art keywords
- pond
- decalcification
- pool wall
- biochemical reaction
- biochemical
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a biochemical reactor that is used for decalcification of chemical industry waste water to denitrogenate, include: biochemical reaction basin, it includes relative preceding pool wall and back pool wall and two relative side pool walls, be equipped with the first partition wall and the second partition wall that are on a parallel with the both sides pool wall among the biochemical reaction basin, separate biochemical reaction basin for adjacent in proper order decalcification pond, the oxygen deficiency pond oxygen pond of becoming reconciled, biochemical reaction basin's preceding pool wall is equipped with water inlet and treated water export, and the water inlet exports the position corresponding to good oxygen pond corresponding to the position in oxygen deficiency pond, treated water, first partition wall is equipped with the delivery port in intercommunication decalcification pond and oxygen deficiency pond, and this delivery port is close to biochemical reaction basin's back pool wall, the second partition wall is equipped with the become reconciled delivery port in oxygen pond of intercommunication oxygen deficiency pond, and this delivery port is close to biochemical reaction basin's back pool wall, the bottom in decalcification pond is equipped with aeration equipment, the bottom in good oxygen pond is equipped with aeration equipment, go out water reflux pipeline, intercommunication decalcification pond and oxygen deficiency pond, the mixed liquid recycle pipeline has communicate oxygen pond and oxygen deficiency pond.
Description
Technical field
This utility model is related to wastewater processing technology, in particular, is related to a kind of denitrogenate for wastewater from chemical industry decalcification
Biochemical reactor.
Background technology
A/O techniques are widely used in the removal of ammonia nitrogen and total nitrogen in waste water with relatively low construction cost and operating cost advantage.
Ammoniacal nitrogen is oxidized to by nitrate nitrogen by the Nitrification in aerobic O ponds, then the Denitrification in Jing anoxias A pond is by nitrate-nitrogen reduction
For nitrogen discharge, to realize effective removal of nitrogen in waste water.
But for the high wastewater from chemical industry of calcium ion content, the precipitation of Calcium Carbonate is a common problem：A large amount of Ca2+With
CO2Reaction, weakens CO2Cushioning effect to biochemical system pH, and carbon source is competed with nitrifier, suppress nitration reaction；Calcium Carbonate
A large amount of accumulation can accelerate the aggregation of sludge, reduce the mass-transfer efficiency of nutrient substance etc.；Can also cause the calcification of sludge, it is inorganic into
Increase is divided to cause sludge activity to reduce；In ultimately resulting in biochemical reaction, the ammonia nitrogen even treatment effeciency of Organic substance are reduced, serious shadow
Ring the treatment effect of waste water.
Therefore, it is considered as before biochemistry is denitrogenated first reducing the hardness of calcium ion, the method reagent cost that traditional dosing softens
High, sludge output is big, causes whole system processing cost to increase.Therefore, a kind of low cost, the decalcification mode of strong operability are studied,
And combine with the reaction of A/O handling process, to reduce impact of the Calcium Carbonate to biochemical section, it is ensured that the removal of system ammonia nitrogen and total nitrogen
Rate, with very significant meaning.
Utility model content
In order to solve above-mentioned technical problem, it is anti-that this utility model provides a kind of biochemistry denitrogenated for wastewater from chemical industry decalcification
Device is answered, including：
Biochemical reaction tank, which includes the relative side pool wall of relative front pool wall and rear pool wall and two；Biochemical reaction tank
In be provided with the first partition wall and the second partition wall parallel to both sides pool wall, biochemical reaction tank is divided into into decalcification adjacent successively
Pond, anoxic pond and Aerobic Pond；The front pool wall of biochemical reaction tank is provided with water inlet and processes water out, and water inlet corresponds to anoxic pond
Position, process water out corresponding to Aerobic Pond position；First partition wall is communicated with the outlet of decalcification pond and anoxic pond,
Rear pool wall of the outlet near biochemical reaction tank；Second partition wall is communicated with the outlet of anoxic pond and Aerobic Pond, and this goes out
Rear pool wall of the mouth of a river near biochemical reaction tank；The bottom in decalcification pond is provided with aerator；The bottom of Aerobic Pond is provided with aerator；
Effluent recycling pipeline, connection decalcification pond and anoxic pond, during its water inlet end is located at decalcification pond and near described biochemical anti-
The front pool wall of Ying Chi, during its water side is located at anoxic pond and near the front pool wall of the biochemical reaction tank；
Mixed-liquor return pipeline, connection Aerobic Pond and anoxic pond, during its water inlet end is located at Aerobic Pond and near the biochemistry
The front pool wall of reaction tank；During water side is located at anoxic pond and near the front pool wall of the biochemical reaction tank.
As an optimal technical scheme, sludge discharging area, process water of the sludge discharging area near biochemical reaction tank in Aerobic Pond, are separated out
Outlet, sludge discharging area are connected with Aerobic Pond by mud discharging mouth, and sludge discharging area bottom is provided with discharge pipeline.
It is highly preferred that pool wall and the side pool wall intersect the corner of composition with two spoil disposal pool walls point before described in Aerobic Pond
Sludge discharging area is divided into, the spoil disposal pool wall intersected with the side pool wall is provided with mud discharging mouth.
As an optimal technical scheme, the above-mentioned biochemical reactor denitrogenated for wastewater from chemical industry decalcification, also including dosing
Device and the pH measurement apparatus for measuring decalcification pond, chemicals dosing plant are connected with the decalcification pond by pipeline.
Used as an optimal technical scheme, the bottom in decalcification pond is provided with discharge pipeline, aerator is provided with above discharge pipeline.
Used as an optimal technical scheme, the aerator includes air hose and the aerator on air hose.
Used as an optimal technical scheme, effluent recycling pipeline is provided with elevator pump；Mixed-liquor return pipeline is provided with lifting
Pump.
As an optimal technical scheme, agitating device in anoxic pond, is provided with.
Technique effect of the present utility model is as follows：
1st, the biochemical reactor denitrogenated for wastewater from chemical industry decalcification provided by the utility model, is provided with anoxic pond, takes off
Calcium pond and Aerobic Pond circulating series process workshop section, it is ensured that the removal efficiency of calcium ion, nitrogen pollutant in system.
2nd, the decalcification pond for arranging, by controlling reaction zone pH and stripping effect, by part Ca2+With CaCO3Inorganic sludge shape
Formula is separated, while carrying out effluent recycling, dilutes biochemical section Ca2+Concentration, reduces the aggregation and calcification of activated sludge.
3rd, decalcification pond still suffers from finite concentration Ca2+, promote sludge to form flco by bridging action, caught by net, roll up and sweep
Act on the nitrogen-containing pollutant that adsorbs and degrade；While Ca2+Presence increase sludge degree of compaction, and maintain structural stability, in body
There is synchronous nitration and denitrification effect in system, it is ensured that removal effect.
4th, the water outlet of decalcification pond and Aerobic Pond mixed liquor are flowed back, and one side decalcification pond water outlet can dilute significantly waste water and enter
Ca in water2+Concentration, reduces Ca2+Inhibitory action to microorganism in anoxic pond；On the other hand, Aerobic Pond mixed-liquor return with enter
Water mixes, and denitrifying bacterium is degraded to useless Organic substance in water, nitrate nitrogen and nitrite nitrogen, it is ensured that pollutant are efficiently removed.
5th, biochemical reactor provided by the utility model is by the way of middle part water inlet, both sides are symmetrically flowed back, by decalcification
Process is denitrogenated with biochemistry to be integrated in one, has the advantages that management is simple, stable, save capital expenditure.
Description of the drawings
Fig. 1 is schematic top plan view of the present utility model.
Fig. 2 is schematic cross-section of the present utility model.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
This utility model can be better understood from and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
With reference to shown in Fig. 1 and 2, the biochemical reactor denitrogenated for wastewater from chemical industry decalcification of the present utility model, including：
Biochemical reaction tank 1, which includes relative 112 He of side pool wall of relative front pool wall 110 and rear pool wall 111 and two
Side pool wall 113；The first partition wall 114 and the second partition wall 115 parallel to side pool wall 112 is provided with biochemical reaction tank 1, will be raw
Change reaction tank and be divided into decalcification pond 10 adjacent successively, anoxic pond 11 and Aerobic Pond 12；The front pool wall 110 of biochemical reaction tank is provided with
Water inlet and process water out（Illustrated with arrow in Fig. 1）, position of the water inlet corresponding to anoxic pond 11 processes water out correspondence
In the position of Aerobic Pond 12；First partition wall 114 is communicated with the outlet of decalcification pond 10 and anoxic pond 11（With arrow in Fig. 1
Illustrate）, rear pool wall 111 of the outlet near biochemical reaction tank 1；Second partition wall 115 is communicated with anoxic pond 11 and aerobic
The outlet in pond 12（Illustrated with arrow in Fig. 1）, rear pool wall 111 of the outlet near biochemical reaction tank 1.Set in anoxic pond 11
There is agitating device 17.The bottom in decalcification pond 10 is provided with discharge pipeline 15, and aerator 16, aerator 16 are provided with above discharge pipeline 15
Including air hose 160 and the aerator 161 on air hose 160.The bottom of Aerobic Pond 12 is provided with aerator 18.Aeration is filled
Putting 18 includes air hose 180 and the aerator 181 on air hose 180.
Sludge discharging area 120, process water out of the sludge discharging area 120 near biochemical reaction tank 1 are separated out in Aerobic Pond 12（Specifically such as
Shown in Fig. 1 and 2, front pool wall 110 and the intersecting corner for constituting of the side pool wall 113 are divided into spoil disposal with two spoil disposal pool walls 121
Area 120）, sludge discharging area 120 passes through mud discharging mouth（Not shown in figure）Connect with Aerobic Pond（Specifically, the row intersected with side pool wall 113
Mud sump wall 121 is provided with mud discharging mouth）, 120 bottom of sludge discharging area is provided with discharge pipeline 19.
The effluent recycling pipeline 13 of elevator pump, connection decalcification pond 10 and anoxic pond 11 are provided with, its water inlet end is located at decalcification pond
In 10 and near the front pool wall 110 of biochemical reaction tank, during its water side is located at anoxic pond 11 and near the forebay of biochemical reaction tank
Wall 110；
The mixed-liquor return pipeline 14 of elevator pump, connection Aerobic Pond 11 and anoxic pond 12 are provided with, its water inlet end is located at aerobic
In pond 11 and near the front pool wall 110 of biochemical reaction tank；During water side is located at anoxic pond 12 and near the forebay of biochemical reaction tank
Wall 110.
Chemicals dosing plant 20, is connected with decalcification pond 10 by pipeline.
For measuring the pH measurement apparatus 21 in decalcification pond, its measurement end is inserted in decalcification pond 10.
The implementing process and operation principle of the biochemical reactor denitrogenated for wastewater from chemical industry decalcification of the present utility model is as follows：
In enforcement, wastewater from chemical industry, the water outlet from the backflow of decalcification pond 10 and the mixed liquor from the backflow of Aerobic Pond 12 are entered jointly
The water inlet mixed zone mixing of anoxic pond 10（In anoxic pond 10, the region near front pool wall 110 is defined as into water mixed zone, close
The region of pool wall 111 is defined as hypoxia response area afterwards）, to Ca in water inlet2+Be diluted, after in the hypoxia response area of anoxic pond
There is anti-nitration reaction in the presence of agitating device 17 and denitrifying bacterium, remove partial organic substances and nitrate, nitrite, instead
Nitrifier is by the use of entering Organic substance in water nitrate nitrogen, nitrite nitrogen in backflow mixed liquor are reduced to nitrogen as carbon source and the energy to release
Put.Then, the outlet that waste water is arranged on the first partition wall 114 and the second partition wall 115 symmetrically enters decalcification to both sides
Pond 10 and Aerobic Pond 12.
In decalcification pond 10, waste water adds NaOH by chemicals dosing plant 20 and controls and utilize pH measurement apparatus 21 to ensure decalcification pond
PH in 10 maintains 8.0 ~ 8.5, carries out stripping by the aerator 16 of bottom of pond, makes saturation CO in waste water2Constantly escape,
HCO3-CO is converted into constantly3 2-, with Ca2+CaCO is discharged by discharge pipeline 15 after generating precipitation3Inorganic sludge, decalcification pond 10 goes out
Water Jing is provided with the water inlet mixed zone that the effluent recycling pipeline 13 of elevator pump is back to anoxic pond 11, fully dilution anoxia section Ca2+From
Sub- concentration, prevents the reaction zone sludge calcification aggregation, to ensure the biological activity of denitrifying bacterium.
Waste water into Aerobic Pond 12 issues raw nitration reaction, further organics removal oxygen in the effect of aerator 18
Change ammoniacal nitrogen, nitrifier is using CO in water3 2-With air as carbon source and the energy, by ammoniacal nitrogen in water be oxidized to nitrate nitrogen and
Nitrite nitrogen, the sludge for coming off are discharged by the discharge pipeline 19 of sludge discharging area 120.The mixed liquor part of Aerobic Pond 12 is carried by being provided with
The mixed-liquor return pipeline 14 for rising pump is back to the water inlet mixed zone mixing of anoxic pond 11, afterwards into the hypoxia response of anoxic pond 11
Area carries out anti-nitration reaction, with effective removal of Organic substance, calcium ion and nitrogen in guarantee system, the mixed liquor of Aerobic Pond 12 it is another
Outer a part of Jing processes water out and discharges water to next treatment process.
Embodiment described above is only the preferred embodiment lifted to absolutely prove this utility model, this utility model
Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of this utility model
Change, within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (8)
1. a kind of biochemical reactor denitrogenated for wastewater from chemical industry decalcification, it is characterised in that include：
Biochemical reaction tank, which includes the relative side pool wall of relative front pool wall and rear pool wall and two；Set in biochemical reaction tank
Be parallel to first partition wall and the second partition wall of both sides pool wall, by biochemical reaction tank be divided into decalcification pond adjacent successively,
Anoxic pond and Aerobic Pond；The front pool wall of biochemical reaction tank is provided with water inlet and processes water out, and water inlet is corresponding to anoxic pond
Position, processes position of the water out corresponding to Aerobic Pond；First partition wall is communicated with the outlet of decalcification pond and anoxic pond, should
Rear pool wall of the outlet near biochemical reaction tank；Second partition wall is communicated with the outlet of anoxic pond and Aerobic Pond, the water outlet
Rear pool wall of the mouth near biochemical reaction tank；The bottom in decalcification pond is provided with aerator；The bottom of Aerobic Pond is provided with aerator；
Effluent recycling pipeline, connection decalcification pond and anoxic pond, during its water inlet end is located at decalcification pond and near the biochemical reaction tank
Front pool wall, its water side be located at anoxic pond in and near the biochemical reaction tank front pool wall；
Mixed-liquor return pipeline, connection Aerobic Pond and anoxic pond, during its water inlet end is located at Aerobic Pond and near the biochemical reaction
The front pool wall in pond；During water side is located at anoxic pond and near the front pool wall of the biochemical reaction tank.
2. the biochemical reactor denitrogenated for wastewater from chemical industry decalcification according to claim 1, it is characterised in that in Aerobic Pond
Sludge discharging area is separated out, process water out of the sludge discharging area near biochemical reaction tank, sludge discharging area are connected with Aerobic Pond by mud discharging mouth, is arranged
Ni Qu bottoms are provided with discharge pipeline.
3. the biochemical reactor denitrogenated for wastewater from chemical industry decalcification according to claim 2, it is characterised in that in Aerobic Pond
The front pool wall and the side pool wall intersect the corner of composition and are divided into sludge discharging area with two spoil disposal pool walls, with the side pool wall phase
The spoil disposal pool wall of friendship is provided with mud discharging mouth.
4. the biochemical reactor denitrogenated for wastewater from chemical industry decalcification according to claim 1, it is characterised in that also including plus
Medicine device and the pH measurement apparatus for measuring decalcification pond, chemicals dosing plant are connected with the decalcification pond by pipeline.
5. the biochemical reactor denitrogenated for wastewater from chemical industry decalcification according to claim 1, it is characterised in that decalcification pond
Bottom is provided with discharge pipeline, and aerator is provided with above discharge pipeline.
6. the biochemical reactor denitrogenated for wastewater from chemical industry decalcification according to claim 1, it is characterised in that the aeration
Device includes air hose and the aerator on air hose.
7. the biochemical reactor denitrogenated for wastewater from chemical industry decalcification according to claim 1, it is characterised in that effluent recycling
Pipeline is provided with elevator pump；Mixed-liquor return pipeline is provided with elevator pump.
8. the biochemical reactor denitrogenated for wastewater from chemical industry decalcification according to claim 1, it is characterised in that in anoxic pond
It is provided with agitating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115602.2U CN206089371U (en) | 2016-10-12 | 2016-10-12 | A biochemical reactor that is used for decalcification of chemical industry waste water to denitrogenate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115602.2U CN206089371U (en) | 2016-10-12 | 2016-10-12 | A biochemical reactor that is used for decalcification of chemical industry waste water to denitrogenate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206089371U true CN206089371U (en) | 2017-04-12 |
Family
ID=60413867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621115602.2U Active CN206089371U (en) | 2016-10-12 | 2016-10-12 | A biochemical reactor that is used for decalcification of chemical industry waste water to denitrogenate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206089371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482695A (en) * | 2019-07-31 | 2019-11-22 | 广西大学 | The compound decalcifying agent and decalcification regeneration technology of calcification anaerobic grain sludge |
| CN115536147A (en) * | 2022-08-16 | 2022-12-30 | 上海东振环保工程技术有限公司 | Integrated synchronous biological denitrification and hardness removal method |
-
2016
- 2016-10-12 CN CN201621115602.2U patent/CN206089371U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482695A (en) * | 2019-07-31 | 2019-11-22 | 广西大学 | The compound decalcifying agent and decalcification regeneration technology of calcification anaerobic grain sludge |
| CN110482695B (en) * | 2019-07-31 | 2020-07-21 | 广西大学 | Composite decalcifying agent for calcified anaerobic granular sludge and decalcification regeneration process |
| CN115536147A (en) * | 2022-08-16 | 2022-12-30 | 上海东振环保工程技术有限公司 | Integrated synchronous biological denitrification and hardness removal method |
| CN115536147B (en) * | 2022-08-16 | 2023-08-15 | 上海东振环保工程技术有限公司 | Integrated synchronous biological denitrification and hardness removal method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106277589B (en) | A kind of system and method using iron carbon Fenton pretreatment-UBF-A/O processing waste water from dyestuff | |
| CN105330018B (en) | It is a kind of that the quick urban sewage treating device and method for realizing short distance nitration is suppressed based on free nitrous acid | |
| CN104891656B (en) | Integrated sewage disposal pond and sewage water treatment method for improveing AAO | |
| CN212292993U (en) | BioDopp biochemical reactor for deeply removing high-concentration organic pollutants | |
| CN102161554A (en) | Anaerobic hydrolysis-acidification and anoxic-aerobic process-sequencing batch reactor (AO-SBR) integrated sewage treatment reaction tank | |
| CN209226777U (en) | A kind of reinforcing advanced nitrogen dephosphorization process sewage-treatment plant | |
| CN206089371U (en) | A biochemical reactor that is used for decalcification of chemical industry waste water to denitrogenate | |
| CN104086045B (en) | The treatment system of coke-oven plant's sewage and method | |
| KR101157064B1 (en) | Wastewater Treatment System Having Sequencing Batch Reactor Using Step Feed-Recycle And Wastewater Treatment Methodthereby | |
| CN1939847B (en) | Apparatus and method for treating high-concentration nitrogen-containing dirty waste water such as waste water from livestock farmer and excreta | |
| CN110217939A (en) | Based on modified form AAO sewage water denitrification dephosphorization apparatus and technique | |
| CN108203203A (en) | Anoxic-Oxic-Phostrip techniques | |
| KR101554224B1 (en) | Apparatus for advanced treatment of sewage and industrial wastewater | |
| CN105984991B (en) | A kind of sewerage advanced treatment process | |
| CN106830539A (en) | A kind of stage aeration rear-mounted denitrification denitrification dephosphorization apparatus and technique | |
| CN103224311A (en) | Advanced treatment system for sewage and wastewater | |
| CN105060465A (en) | Synchronous carbon and nitrogen removing reactor | |
| CN206680346U (en) | A kind of waste water advanced removal of carbon and nitrogen processing unit | |
| CN206486337U (en) | It is a kind of to reduce the processing system of livestock breeding wastewater bio-chemical effluent colourity | |
| CN101585652A (en) | Acrylonitrile-acrylon integrative production waste water processing method and processing apparatus | |
| CN108862587A (en) | Continuous flow short distance nitration/Anammox joint DEAMOX processing high ammonia-nitrogen wastewater and sanitary sewage device and method | |
| CN204999682U (en) | Synchronous carbon denitrogenation reactor that removes | |
| CN107364968A (en) | A kind of synchronous denitrification dephosphorizing processing system for micro polluted source | |
| CN212269589U (en) | Sewage treatment biochemical reactor capable of synchronously nitrifying and denitrifying | |
| CN106698665A (en) | Multilevel distributed oyster-shell ceramsite biologic filter column wastewater treatment process and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |