CN201686541U - Internal recycle aerobic biological reactor - Google Patents
Internal recycle aerobic biological reactor Download PDFInfo
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- CN201686541U CN201686541U CN2010201224647U CN201020122464U CN201686541U CN 201686541 U CN201686541 U CN 201686541U CN 2010201224647 U CN2010201224647 U CN 2010201224647U CN 201020122464 U CN201020122464 U CN 201020122464U CN 201686541 U CN201686541 U CN 201686541U
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- reactor
- internal recycle
- pump
- aerobic biological
- waste water
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- 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
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Abstract
The utility model discloses an internal recycle aerobic biological reactor, comprising an air compressor, an air pressure meter, an air flow meter, a hydraulic pressure gauge, a circulation pump, a reactor, a water inlet pump, a return sludge pump, a liquid flow meter and a desilter. The internal recycle aerobic biological reactor integrates the technical characteristics of processes of high-speed jet aeration, the phase reinforcement transfer, the turbulence shearing and the like, obviously improves the mixing and transfer of the materials in a reaction system, and fundamentally solves the problem that the effect of treating the waste water at the middle section of the straw pulp by the HCR reactor is not ideal. By adopting the loop reflux, the internal recycle aerobic biological reactor enables the waste water to be repeatedly aerated and have high oxygen content, and the activity of sludge to keep good; the internal recycle aerobic biological reactor can be fast started and has advantages of low pollution load, low power consumption, low cost and the like; and the water outlet chromaticity of the treated waste water at the middle section of the straw pulp by the reactor is obviously reduced, and the water outlet quality is obviously improved.
Description
Technical field:
The utility model relates to a kind of efficient internal recycle aerobe reactor of self-control modified form that improves the Straw Pulping Middle Stage Waste Water treatment effect, belongs to field of environment engineering.
Background technology:
Aerobic biological treatment process is with a long history, since first activated sludge process sewage disposal pilot plant operation in 1914, more than 90 year.Over nearly 30 years, improving aeration process and aerobic biological fixation technology to improve the effect of sewage disposal, is the main research contents of aerobe process field, and HCR (High Performance Compact Reactor) technology is exactly the product of this specific period.
HCR technology is that German Clausthal college of engineering thing transfers institute in the utility model eighties.The appearance of this technology is a leap of aerobe treatment technology, and it has merged current high-speed jet aeration, thing is strengthened technology such as transmission, turbulent shear mutually, and had deep well aeration and liquefaction sewage sludge bed characteristics.Therefore, the transformation efficiency height of its atmospheric oxygen, the volumetric loading of reactor is big, and hydraulic detention time is short, is the current a kind of high-efficiency aerobic bioremediation that western countries accepted extensively of being.
The HCR system mainly comprises: integrated reactor, two-phase shower nozzle, settling tank and supporting pipeline and water pump etc.Integrated reactor is a bulge, and its urceolus two ends are closed, and are connecting various pipelines; The inner core both ends open, the two-phase shower nozzle is installed in the centre on reactor top.Water circulating pump promotes High-Pressure Water and injects reactor through shower nozzle, because suction function sucks a large amount of air simultaneously.The acting in conjunction of current and air-flow makes the shower nozzle below form high speed turbulent shear district again, and the gas dispersion that sucks is become tiny bubble.The combined sewage that is rich in dissolved oxygen after guide shell arrives reactor bottom, the formation circulation that upwards backflows again, jet under shearing again, operation so moves in circles.So sewage is by oxygenation repeatedly, bubble and microorganism cenobium are constantly sheared refinement, and form fine and close tiny flocs unit.Engineering practice shows that this technology PARA FORMALDEHYDE PRILLS(91,95) waste water, phenolic wastewater, alditol waste water, resinous acid waste water can both effectively be handled; Water inlet COD concentration as existing case history has reached 20000mg/L; This technology also is expected to improve the effect of sewage water denitrification.But HCR technology is used for paper waste and handles particularly the treatment effect of straw pulp waste water and be still waiting to improve.
At present the middle-stage wastewater biological treatment system in most of paper mill of China exists that floor space is big, pollution load is low, the cost of the high deficiency of power consumption so that enterprise increases.Because there is the very poor organism of degradation property in Straw Pulping Middle Stage Waste Water, as xylogen and some toxic substance, and its water quality has certain difference with wood pulp waste water.Employing is unsatisfactory at the HCR reactor for treatment Straw Pulping Middle Stage Waste Water effect that the wood pulp wastewater property manufactures and designs.
The utility model content:
The utility model is that the characteristics and the middle-stage wastewater of main raw material administered unfavorable present situation with the wheat straw at China's paper industry, according to the advantage of HCR technology and the advantage of using for reference internal recycle efficient anaerobe reactor, biological fluidized bed, deep well aeration etc., and use high-speed jet aeration, thing to strengthen technology such as transmission, turbulent shear mutually, develop a kind of novel tower aerobic reactor.
The utility model solves by the following technical programs:
A kind of internal recycle aerobe reactor, this reactor comprises: air compressor machine 1, weather gage 2, gas meter 3, hydraulicefficiency pressure gauge 4, recycle pump 5, reactor 6, intake pump 7, return sludge pump 8, liquid meter 9 and settling tank 10 is characterized in that: described air compressor machine 1, reactor 6 and settling tank 10 are connected successively; Be disposed with weather gage 2 and gas meter 3 between described air compressor machine 1 and the reactor 6; Described reactor 6 is provided with hydraulicefficiency pressure gauge 4, recycle pump 5, intake pump 7, return sludge pump 8 and liquid meter 9; Described recycle pump 5 is connected with reactor 6 by hydraulicefficiency pressure gauge 4; Described intake pump 7 is arranged on the suction culvert of reactor 6; Described return sludge pump 8 and liquid meter 9 are arranged on the return line.
1. the efficient internal recycle aerobe reactor of modified form is researched and developed in design voluntarily, determines the design variable of its various piece.Mainly comprise: the volume of reactor, blade diameter length ratio, crack, end height, bottom clearance height, head water tank, hydraulic detention time etc.And adopt a kind of novel jet Aeration Technology and Its to improve reaction effect.
2. study efficient internal recycle aerobe reactor processing performance.Total oxygen transfer coefficient, dynamic efficiency, coefficient of oxygen utilization by clear water experimental measurement jet aerator; Processing performance parameters such as the circular flow of reactor, power of fan, gas-water ratio under the change test technology conditioned measurement different condition.
3. study the whole changing conditions that starts the operating period sludge quality of the environmental impact factor and the reactor of efficient internal recycle aerobe reactor Treatment of Straw Pulping Middle Stage Waste Water, inquire into the influence to efficient internal recycle aerobe reactor operating performance such as gas-water ratio, hydraulic detention time, circular flow, thereby determine the optimal processing parameter of efficient internal recycle aerobe bed bioreactor Treatment of Straw Pulping Middle Stage Waste Water.
4. according to above-mentioned result of study, more efficient internal recycle aerobe reactor main design parameters is improved targetedly.Finally obtain at the efficient internal recycle aerobe reactor of the modified form of Straw Pulping Middle Stage Waste Water character.
Effect of the present utility model is as follows: Straw Pulping Middle Stage Waste Water water inlet COD
CrConcentration is about 1500 (mg/L), through its COD after this reactor for treatment
CrReducing to is 350～300mg/L, and its COD clearance is stabilized in more than 75%, and its hydraulic detention time weak point is 4 ~ 6h, and mud is in good condition between the reaction period, and reaction finishes back waste water COD concentration and colourity obviously reduces.Above data show that this aerobic reactor can reach the purpose of Treatment of Straw Pulping Middle Stage Waste Water efficiently, and effect is undesirable when having solved traditional reactor and handling this kind waste water, the problem of water outlet poor effect.
Description of drawings:
Fig. 1 is the efficient internal recycle aerobe reactor basic block diagram of self-control.
Wherein: 1 is air compressor machine; 2 is weather gage; 3 is gas meter; 4 is hydraulicefficiency pressure gauge; 5 is recycle pump; 6 is reactor; 7 is intake pump; 8 is return sludge pump; 9 is liquid meter; 10 is settling tank.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
A kind of internal recycle aerobe reactor, this reactor comprises: air compressor machine 1, weather gage 2, gas meter 3, hydraulicefficiency pressure gauge 4, recycle pump 5, reactor 6, intake pump 7, return sludge pump 8, liquid meter 9 and settling tank 10 is characterized in that: described air compressor machine 1, reactor 6 and settling tank 10 are connected successively; Be disposed with weather gage 2 and gas meter 3 between described air compressor machine 1 and the reactor 6; Described reactor 6 is provided with hydraulicefficiency pressure gauge 4, recycle pump 5, intake pump 7, return sludge pump 8 and liquid meter 9; Described recycle pump 5 is connected with reactor 6 by hydraulicefficiency pressure gauge 4; Described intake pump 7 is arranged on the suction culvert of reactor 6; Described return sludge pump 8 and liquid meter 9 are arranged on the return line.
The gas liquid mixture of high-velocity jet enters the water conservancy diversion reactor downwards, and remains height gas-liquid mixed state in reactor, and in reactor, urceolus waste water, returned sluge and air in the partial reaction device are in contact with one another and have formed internal recycle.Because the high turbulent area that in the reaction guide shell, produces, make waste water, mud (microorganism cenobium), air fully contact mixing, improved the transfer efficiency of matrix, strengthened the reaction conditions based on the microorganism dissimilation, organic pollutant is oxidized generation CO under the metabolism of microorganism
2, H
2O, and generate energy.Fluid in the stream effect of falling of interior pipe makes, manage and annular space between form pressure reduction, become mud, water, gas three are done the internal recycle motion in reactor power.Mixed solution arrives reactor top through interval of internal and external tube again, forms internal recycle downwards through inner core again.So sewage is by oxygenation repeatedly, bubble and microorganism cenobium are constantly sheared refinement, and form fine and close tiny flocs unit.Settling tank returned sluge and water inlet directly pump into the inner core top of reactor, and be equidirectional with internal recycle, because the reactor inner fluid is to flow downward at this position, can drive water inlet, returned sluge adding internal recycle.
The main effect of jet aerator is the further raising that realizes oxygen transfer efficiency by turbulence mixing and diffusion consumingly, greatly strengthened the rate of mass transfer of gas between liquid-solid phase, solved the blockage problem of other common aerator simultaneously, the consumption of its energy is less than traditional jet aerator.Fluid flow pattern is in turbulence state in the aeration head trunnion, high-strength jet forms negative pressure, make gas atomization, shower nozzle goes out interruption-forming high speed turbulent shear district simultaneously, make refinement of bubble height and homodisperse, reduced the diffusional resistance of oxygen in liquid phase, the oxygen transfer rate of reactor and oxygen transfer efficiency are greatly improved.
Above content is to further describing that the utility model is done in conjunction with concrete preferred implementation; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by claims of being submitted to.
Claims (1)
1. internal recycle aerobe reactor, this reactor comprises: air compressor machine (1), weather gage (2), gas meter (3), hydraulicefficiency pressure gauge (4), recycle pump (5), reactor (6), intake pump (7), return sludge pump (8), liquid meter (9) and settling tank (10) is characterized in that: described air compressor machine (1), reactor (6) and settling tank (10) are connected successively; Be disposed with weather gage (2) and gas meter (3) between described air compressor machine (1) and the reactor (6); Described reactor (6) is provided with hydraulicefficiency pressure gauge (4), recycle pump (5), intake pump (7), return sludge pump (8) and liquid meter (9); Described recycle pump (5) is connected with reactor (6) by hydraulicefficiency pressure gauge (4); Described intake pump (7) is arranged on the suction culvert of reactor (6); Described return sludge pump (8) and liquid meter (9) are arranged on the return line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201224647U CN201686541U (en) | 2010-03-03 | 2010-03-03 | Internal recycle aerobic biological reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201224647U CN201686541U (en) | 2010-03-03 | 2010-03-03 | Internal recycle aerobic biological reactor |
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| Publication Number | Publication Date |
|---|---|
| CN201686541U true CN201686541U (en) | 2010-12-29 |
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ID=43374827
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201224647U Expired - Fee Related CN201686541U (en) | 2010-03-03 | 2010-03-03 | Internal recycle aerobic biological reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876331A (en) * | 2015-06-11 | 2015-09-02 | 山东省环境保护科学研究设计院 | Biological-suspended-bed advanced wastewater treatment method |
| CN105502869A (en) * | 2015-12-01 | 2016-04-20 | 山东建筑大学 | Process for both reducing sludge and recovering phosphorus |
| CN113213620A (en) * | 2021-03-01 | 2021-08-06 | 北京大学 | Process for treating sewage by using supergravity reinforced activated sludge |
-
2010
- 2010-03-03 CN CN2010201224647U patent/CN201686541U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876331A (en) * | 2015-06-11 | 2015-09-02 | 山东省环境保护科学研究设计院 | Biological-suspended-bed advanced wastewater treatment method |
| CN105502869A (en) * | 2015-12-01 | 2016-04-20 | 山东建筑大学 | Process for both reducing sludge and recovering phosphorus |
| CN105502869B (en) * | 2015-12-01 | 2018-10-16 | 山东建筑大学 | A kind of technique that mud decrement recycles phosphorus simultaneously |
| CN113213620A (en) * | 2021-03-01 | 2021-08-06 | 北京大学 | Process for treating sewage by using supergravity reinforced activated sludge |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20130303 |