CN109019840A - Nitrify water treatment facilities - Google Patents
Nitrify water treatment facilities Download PDFInfo
- Publication number
- CN109019840A CN109019840A CN201811140117.4A CN201811140117A CN109019840A CN 109019840 A CN109019840 A CN 109019840A CN 201811140117 A CN201811140117 A CN 201811140117A CN 109019840 A CN109019840 A CN 109019840A
- Authority
- CN
- China
- Prior art keywords
- water treatment
- treatment facilities
- reactor
- hole
- aerator
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000005273 aeration Methods 0.000 claims abstract description 60
- 238000005276 aerator Methods 0.000 claims abstract description 31
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 239000010865 sewage Substances 0.000 claims description 10
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 6
- 241000108664 Nitrobacteria Species 0.000 claims description 6
- 241000894006 Bacteria Species 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 21
- 239000001301 oxygen Substances 0.000 abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 abstract description 21
- 238000006396 nitration reaction Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000001546 nitrifying effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Activated Sludge Processes (AREA)
Abstract
Present invention discloses a kind of nitrification water treatment facilities, including reactor, admission line and the aerating system being set in reactor, aerating system includes aerator and aeration cylinder, aeration cylinder has upper through-hole and lower through-hole, aerator is arranged in aeration cylinder, aerator is connected by admission line with external air source, and aerator is provided with gas vent and gas vent between upper through-hole and lower through-hole.By being arranged aerator in aeration cylinder, cylinder pressure is aerated to improve, make being more fully mixed for gas in aeration cylinder and water and sludge, it is formed simultaneously circulation aeration, keep aeration more abundant, the uniformity that ensure that mud mixture and dissolved oxygen concentration in device improves the stability of nitrification water treatment efficiency, is conducive to control the state that water treatment facilities reaches short distance nitration.
Description
Technical field
The invention belongs to technical field of sewage more particularly to a kind of nitrification water treatment facilities.
Background technique
As sewage discharge requires increasingly strict, total nitrogen, which controls, is listed in an important content of water process.Biology is de-
The features such as nitrogen is economic, effective, easy to operate due to it, is widely used in the total nitrogen controlling unit of sewage treatment.Biology is de-
The traditional handicraft of nitrogen mainly includes two stages of nitrifying process and denitrification process, wherein nitrifying process refers to that nitrobacteria exists
By ammonium oxidation at nitrite, nitrate under aerobic state, and the distributing homogeneity of dissolved oxygen is to influence in water treatment facilities
One of key condition of nitrification effect.
Further, in nitrifying process, ammonia nitrogen is usually fully oxidized to nitrate under aerobic state by nitrobacteria
Ammonium oxidation is referred to as short distance nitration at nitrite under aerobic state by referred to as complete nitrification by nitrite bacteria.It is short
Journey nitrification has the advantages that oxygen consumption is low, however, the distributing homogeneity of dissolved oxygen is even more to influence short distance in water treatment facilities
One of key condition of nitrification will cause the unstable of short distance nitration effect if dissolved oxygen is unevenly distributed.
Summary of the invention
The purpose of the present invention is to provide a kind of nitrification water treatment facilities, at least to solve to dissolve oxygen distribution in the prior art
Non-uniform problem.
For achieving the above object, one embodiment of the invention provides a kind of nitrification water treatment facilities, including reactor,
Admission line and the aerating system being set in the reactor, the aerating system include aerator and aeration cylinder, described
There are gap between aerator and the aeration cylinder, the aeration cylinder has upper through-hole and lower through-hole, and the aerator is set
It sets in the aeration cylinder, the aerator is connected by the admission line with external air source, and the aerator is provided with
The gas vent and gas vent is between the upper through-hole and the lower through-hole.
Further improvement as an embodiment of the present invention, the nitrification water treatment facilities include in the reactor simultaneously
Arrange equally distributed multiple aerating systems.
Further improvement as an embodiment of the present invention, the aerator of the multiple aerating system pass through the air inlet
Pipeline is connected with external air source.
Further improvement as an embodiment of the present invention, the aeration cylinder include the barrel for crossing cavity, the top
Through-hole and/or the lower through-hole are formed in the end of the cavity.
Further improvement as an embodiment of the present invention, the nitrification water treatment facilities further includes fixing the barrel
Bracket on the reactor.
Further improvement as an embodiment of the present invention, the bracket are set as being supported in the barrel and the reaction
Support leg between device bottom wall.
Further improvement as an embodiment of the present invention, the bottom of the reactor is provided with sewage inlet, described
Water outlet is arranged in the top of reactor, is provided with three phase separator above the aerating system.
Further improvement as an embodiment of the present invention, the water treatment facilities further include controller and are set to institute
The flow valve on admission line is stated, the controller is connected to the flow valve and controls the closure or openness of the flow valve or open
Open amplitude.
Further improvement as an embodiment of the present invention, the interior sludge filled with attachment nitrobacteria of the reactor.
Further improvement as an embodiment of the present invention, the nitrobacteria are nitrite bacteria.
Compared with prior art, the invention has the following advantages: by being arranged aerator in aeration cylinder, aeration
Cylinder pressure improves, and makes being more fully mixed for gas in aeration cylinder and water and sludge, simultaneously because being provided with above and below aeration cylinder
Through-hole, mixing liquid are flowed out from the top of aeration cylinder, then are recycled and flowed into from the lower section of aeration cylinder, are formd circulation aeration, are made to mix
Conjunction is more abundant, ensure that the uniformity of mud mixture and dissolved oxygen concentration in device, improves nitrification water treatment efficiency
Stability, be conducive to control water treatment facilities and reach the state of short distance nitration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the nitrification water treatment facilities of one embodiment of the invention；
Wherein, 1, reactor；2, admission line；3, aerating system；31, aerator；32, aeration cylinder；321, upper through-hole；
322, lower through-hole；4, support leg；5, water inlet；6, water outlet；7, three phase separator.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
One embodiment of the invention provides a kind of nitrification water treatment facilities, including aerating system 3, and aerating system 3 includes aeration
Cylinder 32 and the aerator 31 that is arranged in aeration cylinder 32 in the gas that aerator 31 releases to aeration cylinder 32, increase and are aerated
Pressure in cylinder 32 is then exhausted from, and is conducive to gas and is sufficiently mixed with water and sludge, and aeration cylinder 32 has upper through-hole 321 and lower part
Through-hole 322, aerator 31 are connected by admission line 2 with external air source, and aerator 31 is provided with gas vent and exhaust hole location
Between upper through-hole 321 and lower through-hole 322, advantageously form in aeration cylinder 32, upper through-hole 321, aeration cylinder 32 are outer,
Circulation between lower through-hole 322, makes to be more fully mixed and uniformly.Embodiment shown in 1 with reference to the accompanying drawing, to the present invention
Technical solution be introduced, protection scope of the present invention is not limited, mentioned in the present embodiment every to improve
Adaptability it is applied in other nitrification water treatment facilities.
Nitrification water treatment facilities of the invention, further includes reactor 1, in the present embodiment, limits the direction of gravity as "lower",
The floating direction for the gas being discharged in aeration cylinder 32 is "upper"；Sludge filled with attachment nitrobacteria in reactor 1, sludge
It is sunken to the bottom of reactor 1 under gravity.
Aerator 31 is connected by admission line 2 with external air source, and admission line 2 is from reactor 1 in the present embodiment
Top is inserted, and is sent into oxygen-containing gas into admission line 2；Gas vent is set on aerator 31, and the gas vent is located at
Between upper through-hole 321 and lower through-hole 322, that is to say, that the outlet position of aerator 31 is entirely limited in aeration cylinder 32
It is internal.
In this way, gas is input in aerator 31 along admission line 2, then aeration cylinder is drained into from the gas vent of aerator 31
In 32, the pressure in aeration cylinder 32 increases, and the mixability of water, sludge and gas is increased, since gas can be to floating, simultaneously
Water and mud mixed liquid in drive aeration cylinder 32 flow out, gas and mixing to floating from the upper through-hole 321 of aeration cylinder 32
During liquid moves upwards, the partial oxidation in gas is dissolved into water, and since the liquid in aeration cylinder 32 tails off, lower part is logical
322 position of hole flows into the mixing liquid of other water and sludge, forms circulation, increases the mixing journey of gas Yu water and sludge
Degree.
As a preferred embodiment, aeration cylinder 32 can be set to cylindrical body, and aerator 31 is arranged in aeration cylinder 32
Axis line position at, in this way, in a circumferential direction, the distance of aerator 31 to aeration cylinder 32 is generally equal, make to be aerated
The gas of different location in cylinder 32, water and sludge are uniformly mixed.Certainly, in other embodiments, aeration cylinder 32 is also settable
For regular polygon body, irregular gengon or other shapes.
Further, aeration cylinder 32 includes the barrel for crossing cavity, and upper through-hole 321 and/or lower through-hole 322 are formed in
The end of the cavity, lower through-hole 322 is towards the bottom of reactor 1, and upper through-hole 321 is towards the top of reactor 1.
Further, nitrification water treatment facilities includes equally distributed multiple aerating systems 3 side by side in reactor 1, is kept away
The only local location aeration in reactor 1 is exempted from, so that the dissolved oxygen in entire reactor 1 is uniformly distributed；Dissolved oxygen
It is uniformly distributed, is conducive to the consistency for detecting oxygen concentration in reactor 1, consequently facilitating to the dense of the dissolved oxygen in reactor 1
Control is adjusted in degree.
Further, the aerator 31 of multiple aerating systems 3 is connected by admission line 2 with external air source, in this way,
A piece admission line 2 connects multiple aerating systems 3 simultaneously, keeps structure design simpler, is more convenient for controlling multiple aerating systems 3
Aeration homogeneity.
Further, the nitrification water treatment facilities further includes the bracket being fixed on the barrel on reactor 1, at this
In embodiment, the bracket is set as the support leg 4 being supported between 1 bottom wall of the barrel and reactor.Support leg 4 will be aerated
Cylinder 32 is lifted certain altitude, and water and sludge is facilitated to enter from the lower through-hole 322 of aeration cylinder 32；Meanwhile the barrel passes through branch
Support foot 4 is fixed on 1 bottom wall of reactor, is avoided the circulation inside and outside reactor 1 from constituting aerating system 3 and is disturbed, with stable aerated
The position of system 3.
Further, the bottom of reactor 1 is provided with sewage inlet 5, and water outlet 6, aeration is arranged in the top of reactor 1
Three phase separator 7 is provided with above system 3；Lasting supply dirt water and air, gas, sewage in water inlet 5 and admission line 2
After moving upwards with the mixing liquid of sludge, three phase separator 7 separates three, and gas discharge, sludge returns to reactor 1
It is interior, processed sewage is constantly exported in water outlet 6, is guaranteed that the reaction in entire reactor 1 persistently carries out, is prevented sludge
It is lost.
Further, the water treatment facilities further includes controller and the flow valve that is set on admission line 2, described
Controller is connected to the flow valve and controls the closure or openness of the flow valve or open amplitude, in this way, can pass through control
Flow valve adjusts the oxygen-containing gas being passed through in reactor 1 and especially fills when in reactor 1 to control the concentration of oxygen content
When having the sludge of attachment nitrite bacteria, by controlling flow valve, easily controllable oxygen content concentration is maintained at 0.5~1.0mg/L,
So that can smoothly realize short distance nitration in the nitrification water treatment facilities.
The usage mode of the nitrification water treatment facilities is as follows: water and sludge to be processed, Xiang Jin are packed into reactor 1
It is passed through in gas pipeline 2 oxygen-containing gas (such as air), oxygen-containing gas is discharged into aeration cylinder 32 by aerator 31；In aeration cylinder 32
Boost in pressure, oxygen-containing gas mixes with water and sludge, and mixing liquid flows up；During flowing up, oxygen-containing gas
In partial oxidation be dissolved into water, participate in nitration reaction；The sludge and part water flowed out from upper through-hole 321 returns to aeration cylinder
In reactor 1 outside 32, and aeration cylinder 32 can be again introduced into from lower through-hole 322, thus in aeration cylinder 32, top it is logical
Circulation is formed outside hole 321, aeration cylinder 32, between lower through-hole 322, then further promotes the mixing of oxygen, sludge and water；
Sewage is continuously entered from water inlet 5 into reactor 1；Treated, and sewage is flowed up to the discharge of water outlet 6.
Compared with prior art, the invention has the following advantages:
(1) by being arranged aerator 31 in aeration cylinder 32, pressure is improved in aeration cylinder 32, makes the gas in aeration cylinder 32
Body and water and sludge are more fully mixed, simultaneously because about 32 aeration cylinder is provided with through-hole, mixing liquid is from aeration cylinder 32
Top outflow, then recycle and flow into from the lower section of aeration cylinder 32, circulation aeration is formd, makes to be more fully mixed, ensure that device
The uniformity of interior mud mixture and dissolved oxygen concentration improves the stability of nitrification water process；
(2) height by control aerating system 3 apart from 1 bottom of reactor, shape and distribution situation, improve reactor 1
The uniformity coefficient of interior mixed liquor；
(3) by the concentration of control flow valve regulation aeration control dissolved oxygen, make to be in short distance nitration in reactor 1
State.
Illustrating only for feasible embodiment of the invention is described in detail in those listed above, they are simultaneously
It is non-to limit the scope of the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention or change should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of nitrification water treatment facilities, including reactor, admission line and the aerating system being set in the reactor,
It is characterized in that, the aerating system includes aerator and aeration cylinder, the aeration cylinder has upper through-hole and lower through-hole, institute
It states aerator to be arranged in the aeration cylinder, the aerator is connected by the admission line with external air source, the exposure
Gas device is provided with gas vent and the gas vent between the upper through-hole and the lower through-hole.
2. nitrification water treatment facilities according to claim 1, which is characterized in that the nitrification water treatment facilities is included in institute
State in reactor equally distributed multiple aerating systems side by side.
3. nitrification water treatment facilities according to claim 2, which is characterized in that the aerator of the multiple aerating system is equal
It is connected by the admission line with external air source.
4. nitrification water treatment facilities according to claim 1, which is characterized in that the aeration cylinder includes the cylinder for crossing cavity
Wall, the upper through-hole and/or the lower through-hole are formed in the end of the cavity.
5. nitrification water treatment facilities according to claim 1, which is characterized in that the nitrification water treatment facilities further include by
The barrel is fixed on the bracket on the reactor.
6. nitrification water treatment facilities according to claim 5, which is characterized in that the bracket is set as being supported in the cylinder
Support leg between wall and the reactor bottom wall.
7. nitrification water treatment facilities according to claim 1, which is characterized in that the bottom of the reactor is provided with sewage
Water inlet, the top of the reactor are arranged water outlet, are provided with three phase separator above the aerating system.
8. nitrification water treatment facilities according to claim 1, which is characterized in that the water treatment facilities further includes controller
And it is set to the flow valve on the admission line, the controller is connected to the flow valve and controls opening for the flow valve
Open or be closed or open amplitude.
9. nitrification water treatment facilities according to claim 8, which is characterized in that filled with attachment nitrification in the reactor
The sludge of bacterium.
10. nitrification water treatment facilities according to claim 9, which is characterized in that the nitrobacteria is nitrite bacteria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140117.4A CN109019840A (en) | 2018-09-28 | 2018-09-28 | Nitrify water treatment facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140117.4A CN109019840A (en) | 2018-09-28 | 2018-09-28 | Nitrify water treatment facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109019840A true CN109019840A (en) | 2018-12-18 |
Family
ID=64615381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811140117.4A Withdrawn CN109019840A (en) | 2018-09-28 | 2018-09-28 | Nitrify water treatment facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109019840A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693230A (en) * | 2005-04-28 | 2005-11-09 | 魏刚 | Biological reactor with internal circulating double filtering |
| CN204185292U (en) * | 2014-10-30 | 2015-03-04 | 山东省环境保护科学研究设计院 | Three-dimensional tapered aeration sewage disposal aerobic reactor |
| CN204281408U (en) * | 2014-12-11 | 2015-04-22 | 郭玉芳 | A kind of town water purification reactor |
| CN106830237A (en) * | 2016-12-07 | 2017-06-13 | 中聚天冠生物能源有限公司 | A kind of coagulation materializing strategy inner circulating aerating agitating device and method |
| CN107311410A (en) * | 2017-08-29 | 2017-11-03 | 江西夏氏春秋环境研究院有限公司 | A kind of Short-range efficient simultaneous denitrification interior circulation integrated bio reactor |
| CN108101203A (en) * | 2017-12-21 | 2018-06-01 | 武汉森泰环保股份有限公司 | A kind of reaction precipitation integral deep water aeration tower and its treatment process |
| CN209052443U (en) * | 2018-09-28 | 2019-07-02 | 苏州清然环保科技有限公司 | Nitrify water treatment facilities |
-
2018
- 2018-09-28 CN CN201811140117.4A patent/CN109019840A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693230A (en) * | 2005-04-28 | 2005-11-09 | 魏刚 | Biological reactor with internal circulating double filtering |
| CN204185292U (en) * | 2014-10-30 | 2015-03-04 | 山东省环境保护科学研究设计院 | Three-dimensional tapered aeration sewage disposal aerobic reactor |
| CN204281408U (en) * | 2014-12-11 | 2015-04-22 | 郭玉芳 | A kind of town water purification reactor |
| CN106830237A (en) * | 2016-12-07 | 2017-06-13 | 中聚天冠生物能源有限公司 | A kind of coagulation materializing strategy inner circulating aerating agitating device and method |
| CN107311410A (en) * | 2017-08-29 | 2017-11-03 | 江西夏氏春秋环境研究院有限公司 | A kind of Short-range efficient simultaneous denitrification interior circulation integrated bio reactor |
| CN108101203A (en) * | 2017-12-21 | 2018-06-01 | 武汉森泰环保股份有限公司 | A kind of reaction precipitation integral deep water aeration tower and its treatment process |
| CN209052443U (en) * | 2018-09-28 | 2019-07-02 | 苏州清然环保科技有限公司 | Nitrify water treatment facilities |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181218 |