CN201109738Y - High-efficiency two-tier biological nitrification reactor - Google Patents
High-efficiency two-tier biological nitrification reactor Download PDFInfo
- Publication number
- CN201109738Y CN201109738Y CNU2007201134545U CN200720113454U CN201109738Y CN 201109738 Y CN201109738 Y CN 201109738Y CN U2007201134545 U CNU2007201134545 U CN U2007201134545U CN 200720113454 U CN200720113454 U CN 200720113454U CN 201109738 Y CN201109738 Y CN 201109738Y
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- China
- Prior art keywords
- baffle plate
- water
- area
- tube
- reaction chamber
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000006396 nitration reaction Methods 0.000 claims abstract description 18
- 238000005273 aeration Methods 0.000 claims description 26
- 230000001174 ascending effect Effects 0.000 claims description 19
- 239000010802 sludge Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 14
- 229910021529 ammonia Inorganic materials 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 abstract 7
- 239000012530 fluid Substances 0.000 abstract 1
- 239000010797 grey water Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 238000010992 reflux Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 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
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001546 nitrifying effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical class ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses an efficient unit doublet biology nitration reactor which comprises an inside unit and an outside unit. The outside unit is a reactor body. The reactor body is provided with an upflow reaction chamber, an aerated conduit, an aerated head, a rotational flow water distributing device, a mud pipe, a sullage pipe and a sample connection. The inside unit is a mud deposition system. The mud deposition system is provided with a deposition chamber, a circulating tube, a guide shell and an air baffle. The deposition chamber is divided into a slack water area, an up flow area, a subsidence flow area and an overflow area by a slack water area baffle, an up flow area baffle, and a subsidence flow area baffle along the water flow direction. A downflow weir is arranged on the side wall of the overflow area of the subsidence flow area baffle, and an outflow pipe is connected outside from the downflow weir of the overflow area. The efficient unit doublet biology nitration reactor has the advantages that: (1) the rotational flow water distributing device is arranged and the water distributing is symmetrical to ensure the reaction to be efficient; (2) the reaction chamber is separated from a deposition chamber, so the fluid state in the reaction chamber has a little affection on the working state in the deposition chamber; (3) the reaction chamber is communicated with the deposition chamber by a circulating tube and the substrate transfer is strengthened; (4) the reactor can stand high ammonia concentration and high volume transformation efficiency can be obtained.
Description
Technical field
The utility model relates to a kind of highly effective double-element nitration reactor.
Background technology
Along with the development of industrial and agricultural production and the raising of living standards of the people, the quantity discharged of itrogenous organic substance sharply increases.Starting successively of two stage biological treatment project effectively controlled Organic pollutants, but the water outlet ammonia nitrogen is higher, still is serious environmental source of pollution.Nitrate pollution very harmful, ammonia enters water body, not only can bring out " eutrophication ", causes the disorder of aquatic ecosystem, and can also consume dissolved oxygen, causes water hypoxia, influences the oxygen transmission of fish strontium, and fish are caused death; Generate chloramines with the chlorine effect, influence cholorination and handle.
The method of denitrogenation of waste water mainly contains physics method, chemical method and biological process.For various reasons, the application of physics method and chemical method is restricted, the main both at home and abroad at present bio-denitrification technology that adopts.The biological nitration reaction can be converted into nitrite or nitrate with ammonia, eliminates the influence of ammonia to environment.The more important thing is that it can be united with anti-nitration reaction, finally makes ammonia be converted into nitrogen.In biological denitrificaion, the ammonia oxidation normally rate limiting step of whole process gathers.Therefore, research and development high efficiency nitrification reactor has important practical sense.
Existing nitrator is mainly developed by activated sludge tank, and in aeration tank oxygenation process, the residence time of bubble in liquid phase is shorter relatively, and volume efficiency of oxygen supply and coefficient of oxygen utilization all have much room for improvement; Aeration tank and second pond branch are arranged, and mud refluxes needs consumption of power, and destroy mud flco structure, are unfavorable for mud-water separation.Improve structure of reactor, can strengthen mud, water, gas mixing, prolong the transfer time of oxygen, improve the volume efficiency of oxygen supply and the coefficient of oxygen utilization of reactor; The settling chamber is integrated in reactor top, can make mud by gravity reflux to reaction chamber, keep mud flco structure.
Summary of the invention
The purpose of this utility model provides a kind of highly effective double-element nitration reactor.
It is made of inside and outside two unit, outer unit is a reactor body, reactor body is provided with the flow lifting type reaction chamber, the flow lifting type reaction chamber is connected with out cylinder through external conical-tube, the out cylinder sidewall is provided with scum pipe, the flow lifting type reaction chamber has aeration tube, cyclone water distributor, shore pipe, aeration tube is provided with aeration head, shore pipe is provided with water inlet pipe, flow lifting type reaction chamber sidewall is provided with a plurality of thief holes, interior unit is the sludge settling system, the sludge settling system is provided with the settling chamber, settling chamber's sidewall is connected with circulation tube through inner conical-tube, circulation tube bottom flaring becomes guide shell, the guide shell below is provided with gas block panel, the inner conical-tube of the external conical-tube of reactor body and sludge settling system is fixed by the longitudinal register clamp, settling chamber's sidewall is provided with the settling region inlet, the settling chamber is by the area of slack water baffle plate, ascending zone baffle plate and fall stream district's baffle plate and be separated into the area of slack water by water (flow) direction, ascending zone, stream district and flooded zonevvv are fallen, be provided with overflow weir on the flooded zonevvv sidewall that falls stream district baffle plate, rising pipe picks out from the overflow weir of flooded zonevvv.
Described cyclone water distributor is umbrella shape, combine by 6～12 rotary trapezoidal plates, cyclone water distributor bus and horizontal plane angle α are 15～30 °, it is 10～50mm that projection between the adjacent rotary trapezoidal plate overlaps γ, wavelength width of a slit a between the adjacent rotary trapezoidal plate is 5～20mm, rotary trapezoidal plate upper end is fixed on the circular platform that diameter is 100～500mm, and rotary trapezoidal plate lower end is fixed on the interior Zhou Pingtai of reactor.Described aeration tube is arranged at the cyclone water distributor top, and aeration tube (22) is circular, and 4～6 micro porous aeration heads evenly are installed on the aeration tube annulus.The settling chamber by area of slack water baffle plate, ascending zone baffle plate and fall stream district's baffle plate by water (flow) direction be separated into area of slack water, ascending zone, the ratio that falls stream district and flooded zonevvv horizontal clearance is 1.5: 3: 3.5: 2.Area of slack water baffle plate, ascending zone baffle plate and to fall stream district's baffle plate be three axially parallel baffle plates, and fix with settling chamber's sidewall respectively, wherein area of slack water baffle plate and flooded zonevvv baffle plate top all are higher than water outlet liquid level 200～300mm, and ascending zone baffle plate top is lower than liquid level 200～300mm.Circulation tube internal diameter 200～250mm, gas block panel diameter 300～400mm, the vertical range between guide shell lower edge and the gas block panel is 100～200mm.
Advantage of the present utility model: 1) the whirlwind-type water distributor is set, water distribution is even, guarantees reaction efficiency; 2) separate reaction chamber and settling chamber, and reaction chamber is full mixing pattern, and the settling chamber is the plug flow fluidised form, and the fluidised form of reaction chamber is less to the operating mode influence of settling chamber; 3) reaction chamber and settling chamber are linked up with circulation tube, can realize the nitrifying sludge circulation, strengthen the matrix transmission; 4) reactor can bear high ammonia concentration, and anti-matrix and hydraulic load impact, and have very high volume transformation efficiency.
Description of drawings
Fig. 1 is the highly effective double-element nitration reactor structural representation;
Fig. 2 is a highly effective double-element nitration reactor structure A-A sectional view;
Fig. 3 is a highly effective double-element nitration reactor structure B-B sectional view;
Among the figure: flange 1, flow lifting type reaction chamber 2, guide shell 3, thief hole 4, circulation tube 5, inner conical-tube 6, longitudinal register clamp 7, external conical-tube 8, rising pipe 9, overflow weir 10, settling chamber 11, out cylinder 12, fall stream district's baffle plate 13, up-flow district baffle plate 14, area of slack water baffle plate 15, scum pipe 16, settling region inlet 17, gas block panel 18, cyclone water distributor 19, water inlet pipe 20, shore pipe 21, aeration tube 22, aeration head 23.
Embodiment
Highly effective double-element nitration reactor is made of inside and outside two unit, outer unit is a reactor body, reactor body is provided with flow lifting type reaction chamber 2, flow lifting type reaction chamber 2 is connected with out cylinder 12 through external conical-tube 8, out cylinder 12 sidewalls are provided with scum pipe 16, flow lifting type reaction chamber 2 has aeration tube 22, cyclone water distributor 19, shore pipe 21, aeration tube 22 is provided with aeration head 23, shore pipe 21 is provided with water inlet pipe 20, flow lifting type reaction chamber 2 sidewalls are provided with a plurality of thief holes 4, interior unit is the sludge settling system, the sludge settling system is provided with settling chamber 11, settling chamber's 11 sidewalls are connected with circulation tube 5 through inner conical-tube 6, circulation tube 5 bottom flarings become guide shell 3, guide shell 3 belows are provided with gas block panel 18, the external conical-tube 8 of reactor body is fixing by longitudinal register clamp 7 with the inner conical-tube 6 of sludge settling system, settling chamber's 11 sidewalls are provided with settling region inlet 17, settling chamber 11 is by area of slack water baffle plate 15, ascending zone baffle plate 14 and fall stream district baffle plate 13 and be separated into the area of slack water by water (flow) direction, ascending zone, stream district and flooded zonevvv are fallen, be provided with overflow weir 10 on the flooded zonevvv sidewall that falls stream district baffle plate 13, rising pipe 9 picks out from the overflow weir 10 of flooded zonevvv.
Described cyclone water distributor 19 is umbrella shape, combine by 6～12 rotary trapezoidal plates, cyclone water distributor 19 buses and horizontal plane angle α are 15～30 °, it is 10～50mm that projection between the adjacent rotary trapezoidal plate overlaps γ, wavelength width of a slit a between the adjacent rotary trapezoidal plate is 5～20mm, rotary trapezoidal plate upper end is fixed on the circular platform that diameter is 100～500mm, and rotary trapezoidal plate lower end is fixed on the interior Zhou Pingtai of reactor.Aeration tube 22 is arranged at cyclone water distributor 19 tops, and aeration tube 22 is circular, and 4～6 micro porous aeration heads 23 evenly are installed on aeration tube 22 annulus.Settling chamber 11 by area of slack water baffle plate 15, ascending zone baffle plate 14 and fall stream district's baffle plate 13 by water (flow) direction be separated into area of slack water, ascending zone, the ratio that falls stream district and flooded zonevvv horizontal clearance is 1.5: 3: 3.5: 2.Area of slack water baffle plate 15, ascending zone baffle plate 14 and to fall stream district's baffle plate 13 be three axially parallel baffle plates, and fix with settling chamber's 11 sidewalls respectively, wherein area of slack water baffle plate 15 all is higher than water outlet liquid level 200～300mm with flooded zonevvv baffle plate 13 tops, and ascending zone baffle plate 14 tops are lower than liquid level 200～300mm.Circulation tube 5 internal diameters 200～250mm, gas block panel 18 diameters 300～400mm, the vertical range between guide shell 3 lower edges and the gas block panel 18 is 100～200mm.
Highly effective double-element nitration reactor is made up by steel plate.Seed sludge adds to the flow lifting type reaction chamber.Sewage imports the reaction chamber bottom by water inlet pipe, is uniformly distributed on the entire cross section through cyclone water distributor, and air is introduced from reactor bottom by aeration tube.Under the upstream effect, sludge suspension is in reaction chamber.Muddy water mixed solution enters the settling chamber by reactor top, successively by settling chamber's ascending zone, stream district and flooded zonevvv are fallen, primary water is discharged reactor through overflow weir, nitrifying sludge relies on gravity reflux to reaction chamber.
Claims (6)
1. highly effective double-element nitration reactor, it is characterized in that: it is made of inside and outside two unit, outer unit is a reactor body, reactor body is provided with flow lifting type reaction chamber (2), flow lifting type reaction chamber (2) is connected with out cylinder (12) through external conical-tube (8), out cylinder (12) sidewall is provided with scum pipe (16), flow lifting type reaction chamber (2) has aeration tube (22), cyclone water distributor (19), shore pipe (21), aeration tube (22) is provided with aeration head (23), shore pipe (21) is provided with water inlet pipe (20), flow lifting type reaction chamber (2) sidewall is provided with a plurality of thief holes (4), interior unit is the sludge settling system, the sludge settling system is provided with settling chamber (11), settling chamber (11) sidewall is connected with circulation tube (5) through inner conical-tube (6), circulation tube (5) bottom flaring becomes guide shell (3), guide shell (3) below is provided with gas block panel (18), the external conical-tube of reactor body (8) is fixing by longitudinal register clamp (7) with the inner conical-tube (6) of sludge settling system, settling chamber (11) sidewall is provided with settling region inlet (17), settling chamber (11) is by area of slack water baffle plate (15), ascending zone baffle plate (14) and fall stream district's baffle plate (13) and be separated into the area of slack water by water (flow) direction, ascending zone, stream district and flooded zonevvv are fallen, be provided with overflow weir (10) on the flooded zonevvv sidewall that falls stream district's baffle plate (13), rising pipe (9) picks out from the overflow weir (10) of flooded zonevvv.
2. a kind of highly effective double-element nitration reactor according to claim 1, it is characterized in that: described cyclone water distributor (19) is umbrella shape, combine by 6～12 rotary trapezoidal plates, cyclone water distributor (19) bus and horizontal plane angle α are 15～30 °, it is 10～50mm that projection between the adjacent rotary trapezoidal plate overlaps γ, wavelength width of a slit a between the adjacent rotary trapezoidal plate is 5～20mm, rotary trapezoidal plate upper end is fixed on the circular platform that diameter is 100～500mm, and rotary trapezoidal plate lower end is fixed on the interior Zhou Pingtai of reactor.
3. a kind of highly effective double-element nitration reactor according to claim 1, it is characterized in that: described aeration tube (22) is arranged at cyclone water distributor (19) top, aeration tube (22) is circular, and 4～6 micro porous aeration heads (23) evenly are installed on aeration tube (22) annulus.
4. a kind of highly effective double-element nitration reactor according to claim 1 is characterized in that: described settling chamber (11) by area of slack water baffle plate (15), ascending zone baffle plate (14) and fall stream district's baffle plate (13) by water (flow) direction be separated into area of slack water, ascending zone, the ratio that falls stream district and flooded zonevvv horizontal clearance is 1.5: 3: 3.5: 2.
5. a kind of highly effective double-element nitration reactor according to claim 1, it is characterized in that: described area of slack water baffle plate (15), ascending zone baffle plate (14) and to fall stream district's baffle plate (13) be three axially parallel baffle plates, and fix with settling chamber (11) sidewall respectively, wherein area of slack water baffle plate (15) all is higher than water outlet liquid level 200～300mm with flooded zonevvv baffle plate (13) top, and ascending zone baffle plate (14) top is lower than liquid level 200～300mm.
6, highly effective double-element nitration reactor according to claim 1, it is characterized in that: described circulation tube (5) internal diameter 200～250mm, gas block panel (18) diameter 300～400mm, the vertical range between guide shell (3) lower edge and the gas block panel (18) is 100～200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201134545U CN201109738Y (en) | 2007-08-24 | 2007-08-24 | High-efficiency two-tier biological nitrification reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201134545U CN201109738Y (en) | 2007-08-24 | 2007-08-24 | High-efficiency two-tier biological nitrification reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201109738Y true CN201109738Y (en) | 2008-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201134545U Expired - Lifetime CN201109738Y (en) | 2007-08-24 | 2007-08-24 | High-efficiency two-tier biological nitrification reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201109738Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148304B (en) * | 2007-08-24 | 2010-05-26 | 浙江大学 | Highly effective double-element nitration reactor |
| CN105110452A (en) * | 2015-08-12 | 2015-12-02 | 深圳市清研环境科技有限公司 | Sewage treatment apparatus and sewage treatment method therefor |
-
2007
- 2007-08-24 CN CNU2007201134545U patent/CN201109738Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148304B (en) * | 2007-08-24 | 2010-05-26 | 浙江大学 | Highly effective double-element nitration reactor |
| CN105110452A (en) * | 2015-08-12 | 2015-12-02 | 深圳市清研环境科技有限公司 | Sewage treatment apparatus and sewage treatment method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080903 Effective date of abandoning: 20070824 |