CN101028954A - Anaerobic reactor - Google Patents
Anaerobic reactor Download PDFInfo
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- CN101028954A CN101028954A CNA2006100243691A CN200610024369A CN101028954A CN 101028954 A CN101028954 A CN 101028954A CN A2006100243691 A CNA2006100243691 A CN A2006100243691A CN 200610024369 A CN200610024369 A CN 200610024369A CN 101028954 A CN101028954 A CN 101028954A
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Abstract
An anaerobic reactor for treating sewage is divided into upper three-phase separation region and lower sludge expanding region, and is composed of base, cylindrical casing on base, water distributor connected between water inlet pump and circulating pump, three-phase separator, slant depositor, and control valves.
Description
Technical field
The invention belongs to water treatment field, relate to the anaerobic reaction device in the water treatment field.
Background technology
The wastewater treatment rate in the present cities and towns of China is very low, most of life and the not treated river course that directly enters of factory effluent, cause the water body severe contamination, simultaneously along with China's cities and towns water consumption and water displacement constantly increase, urban sewage treatment technology based on aerobic activated sludge process, though show the pollutants removal rate height, shortcomings such as floor space is big, infrastructure investment and working cost height cause many sewage works to be difficult to raise funds to build or be difficult to keep on the go because of cost is high.The anaerobic treatment technology because need not aeration, sludge yield is few, again recyclable biogas and become the power-saving technology of domestic and international common concern.
In anaerobic biological treatment technological development process, reactor is one of field with fastest developing speed.
Not only want the separated sludge residence time and hydraulic detention time in the high efficiency anaerobic reactor, also should make into to keep contacting fully between the water and mud.But merely improve the loss that mud appears in troubled water sometimes, therefore in order to address this problem, developed in succession in the world the nineties in 20th century with anaerobic expanded granular sludge bed (Expanded Granular Sludge Bed, EGSB), internal-circulation type anaerobic reactor (InternalCycle, IC), composite anaerobic sludge bed reactor (Hybrid Anaerobic Reactor, HAR), anaerobic fluidized bed reactor (Anaerobic Fluidized bed reactors, FB) and the baffling type anaerobic reactor (Anaerobic Baffled Reactor ABR) is the new and effective anaerobic reactor of the third generation of representative.The new and effective anaerobic reactor of the third generation has some common characteristics: 1) microorganism all is present in the reactor in the immobilized mode of granule sludge, and it is higher that unit volume reaches the microorganism volume of holding; 2) can bear higher hydraulic load, have higher organic pollutant purification efficiency; 3) have bigger aspect ratio, floor space is little, and power consumption is little; 4) have better mass transfer between granule sludge and the organism, the processing power of reactor is improved greatly.But in secular practical application, above-mentioned reactor has also shown the some shortcomings part:
As EGSB owing in whole reactor, kept very high current upflow velocity, and because the cohesive action of the methane bubble that produces, make in the flow velocity at triphase separator place quite high, when working conditions change is big, make a large amount of organisms run off, cause system's water outlet effect not up to standard, cause system crash when serious.Some have been built in the project in American-European countries, because the instability of system has to keep upflow velocity in lower scope during operation, have reduced this processing power that has; And the structure of IC reactor actual be the stack of two UASB reactors, the bubbles entrain granule sludge that utilize to produce circulates at reaction zone, because reactor has two triphase separators, makes the complex structure of reactor, makes and the maintenance cost height; Start time while is long, the technical requirements height, and China has only less large-scale company to afford its construction and maintenance cost as developing country.
Summary of the invention
The purpose of this invention is to provide a kind of novel anaerobic reactor, overcome the above-mentioned shortcoming of prior art.
For achieving the above object, solution of the present invention is:
A kind of anaerobic reactor comprises reactor shell, base, and water distributor, water injection allocator, triphase separator, this reactor shell is arranged on the base, and and water distributor, water injection allocator, triphase separator is connected.
Further, reactor is round shape or square, divides two portions up and down, and the bottom is divided into the sludge bulking district, and top is divided into three-phase separation area.
Between upper end, mud device breathing space and tilted plate separator, water injection allocator and control corresponding valve are set.
Water distributor one end connects intake pump, and the other end connects recycle pump.
Between water distributor and triphase separator, be provided with tilted plate separator.
This tilted plate separator obliquity is 55～60 °.
Reactor shell upper edge different heights is provided with mud discharging mouth.
Owing to adopted technique scheme, the present invention has the following advantages:
1, Jin Shui water injection allocator is in the bottom of triphase separator, and the current by triphase separator only are flooding velocity like this, do not comprise the flow of recirculated water, thereby have realized the flow velocity of reaction zone is separated control with the flow velocity in triphase separator district; The low current lift velocity that can effectively keep triphase separator has improved water, the mud separating effect of water outlet, prevents the loss of anaerobic grain sludge, thereby has guaranteed that reactor has enough biomasss; The size of circulating water flow no longer influences triphase separator to mud, the gentle separating effect of water, thereby can strengthen the waterpower turbulence intensity by improving circulating water flow, granule sludge is fully contacted with sewage, fully reduce the value of apparent saturation constant, the reinforcing mass transfer effect obtains high organic pollutant removal rate.
2, the import of circulating line is connected with the upper end of reaction zone by water injection allocator, the outlet of circulating line is connected with the lower end of reaction zone by water distributor, thereby be combined into one with reaction zone, degree to the water inlet dilution is less comparatively speaking, thereby the concentration to reaction zone matrix reduces lower, thereby avidity between favourable raising bacterium and the matrix, fast reaction speed improves organic loading;
3, only need one deck triphase separator, guaranteed the simple in structure of reactor, reduce equipment and materials and maintenance cost;
4, be provided with mud discharging mouth at different heights, according to the mud of the operation conditions of reactor discharging different levels, the high efficiency of utilizing with the activity of guaranteeing granule sludge and reaction zone.
5, circulating line and reaction zone are combined into one, and have reduced the consumption of recycle pump power, and energy consumption is low.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of an embodiment of the present invention.(number in the figure comprises: triphase separator 1, three-phase separation area 2, tilted plate separator 3, sludge bulking district 4, mud discharging mouth 5, back up pad 6, intake pump 7, water distributor 8, effuser 9, overflow groove 10, water shoot 11, water injection allocator 12, valve 13, circulating line 14, under meter 15, recycle pump 16, conical cover 17, water inlet 21, recirculated water 22, water outlet 23.)
Fig. 2 is a water injection allocator structural representation embodiment illustrated in fig. 1.。
Fig. 3 is a water distributor structural representation embodiment illustrated in fig. 1.
Fig. 4 is a understructure synoptic diagram embodiment illustrated in fig. 1.
Fig. 5 is a tilted plate separator structural representation embodiment illustrated in fig. 1
Embodiment
Below in conjunction with accompanying drawing and implementing procedure, the present invention is further described.
A kind of anaerobism high efficiency reactor, it mainly comprises: housing, the base 19 of support, water distributor, water injection allocator, tilted plate separator, triphase separator, mud discharging mouth, intake pump, recycle pump, under meter, overflow groove etc.
One cover water injection allocator and control corresponding valve (see figure 2) has been installed between upper end, mud device breathing space (4) and tilted plate separator (3).Water distributor one end connects intake pump, and the other end connects the recycle pump (see figure 3).Reactor shell upper edge different heights has several rows of mud mouth (see figure 1); Between water distributor (1) and triphase separator (1), tilted plate separator has been installed, obliquity is 55～60 ° of (see figure 5)s.
Can be round shape or square with reactor design, divide two portions up and down, the bottom be divided into sludge bulking district 4, and top is divided into three-phase separation area 2;
Sewage enters water distributor 8 by intake pump 7, and water distributor 8 is installed in the bottom of reactor, water distributor to intake 21 and recirculated water 22 mix the back at the bottom water distribution uniformity;
The water injection allocator 12 of recirculated water 22 is installed between sludge bulking district 4 and three-phase separation area 2, and the water injection allocator inlet is provided with conical lid 17, and sewage is back to water distributor 8 by circulating line 14 through recycle pump 16;
Tilted plate separator 3 is installed between the lower end of triphase separator 2 and recirculated water water injection allocator 12, the granule sludge that rises is carried out sedimentation (label is 3 in accompanying drawing 1);
In three-phase separation area 2 triphase separator 1 is set, granule sludge, water, gas are separated, gas is discharged along effuser 9; The water of handling well enters water shoot 11 through overflow groove 10;
In the lower section of reactor mud discharging mouth 5 is set.
See also Fig. 1-5: sewage enters the sludge bulking district 4 of reactor by intake pump 7, simultaneously at this bottom and recirculated water 22 thorough mixing, in the sewage uphill process with granule sludge in biomass fully contact, when arriving water injection allocator 8, most of sewage is through water injection allocator 8, recycle pump 16 comes back to reactor bottom and degrades, small portion rises to three-phase separation area 2 with the sewage of having degraded, suspended biomass contact reacts in continuation and the reactor in this process, through tilted plate separator 3 and triphase separator 1, with suspended biomass and water, gas separates, and purifies good water through overflow groove 10 water outlets 23.The natural pond Sui Shui that the organism contact reactor produces in sewage and granule sludge, mud rise, and compile at triphase separator 1, recycle by effuser 9 at last, and excess sludge is discharged by shore pipe 5.
On reactor, be provided with three water injection allocators, comprise the water injection allocator group 12 of high, medium and low three water injection allocators, valve formation valving 13 is set respectively on it controls, can use high, medium and low water injection allocator according to the factors such as height, treatment effect that expand.
The function of water injection allocator 12 is to make this interval water evenly enter recycle pump 16, does not form partial turbulent fluctuation stream in this interval.Water injection allocator 12 is installed between tilted plate separator 3 and the sludge bulking district 4, from reaction process, this section is undegradable low molecule (as volatile acid) organic pollutant and suspension microorganism contact reacts interval, because this district's microorganism concn is lower, degradation effect is lower, and the water that this is interval is recycled to the bottom of reactor, can improve the waterpower turbulence intensity, the reinforcing mass transfer effect can be recycled to low molecules such as volatile acid reaction zone bottom and high concentration microorganism reactor again, improves clearance; Another key reason is the latter end of this district for reaction process, has higher basicity, and the acidication district bottom this basicity is added to is the stable crucial effects that plays of pH of system.Water inlet 21 ends at water-distributing gap among the design have increased conical cover 17, are used for preventing that granule sludge from entering circulating line in settling process, produce accumulation and stop up recycle pump.
The effect of tilted plate separator 3 is sedimentation suspension microorganism flco and granule sludge, prevents that biomass runs off, and makes mud pass through the reaction zone of swash plate Returning reactor, for the steady running of system provides assurance.Suspension microorganism flco and granule sludge are in current and air-flow uphill process, because the action of gravity of self, can slow down, but this effect rate of descent is not too high, and still some suspension microorganism flco and granule sludge can run off, by tilted plate separator is installed, can address this problem effectively, in this district tilted plate separator is installed simultaneously, construction is simple, and is easy to maintenance.
The effect of triphase separator 1 is the biogas of separating and discharging generation from reactor, prevents that as much as possible the anaerobic sludge of biologically active runs off, and improves water outlet 23 decontamination effect improvings simultaneously.
Reactor floor space of the present invention is little, aspect ratio is big, install stable in order to guarantee reactor, back up pad 6 and stiffening web 18 are set in the bottom, reactor can be processed as one to disguise and put like this, can be placed on the place near source of sewage according to the needs at scene, and reactor can be changeable according to handling water yield design simultaneously, migration is convenient, is convenient to engineered.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (7)
1, a kind of anaerobic reactor is characterized in that: comprise reactor shell, and base, water distributor, water injection allocator, triphase separator, this reactor shell is arranged on the base, and and water distributor, water injection allocator, triphase separator is connected.
2, anaerobic reactor according to claim 1 is characterized in that: reactor is round shape or square, divides two portions up and down, and the bottom is divided into the sludge bulking district, and top is divided into three-phase separation area.
3, anaerobic reactor according to claim 2 is characterized in that: between upper end, mud device breathing space and tilted plate separator water injection allocator and control corresponding valve are set.
4, anaerobic reactor according to claim 1 is characterized in that: water distributor one end connects intake pump, and the other end connects recycle pump.
5, anaerobic reactor according to claim 1 is characterized in that: between water distributor and triphase separator, be provided with tilted plate separator.
6, anaerobic reactor according to claim 5 is characterized in that: this tilted plate separator obliquity is 55～60 °.
7, according to arbitrary described anaerobic reactor among the claim 1-6, it is characterized in that: reactor shell upper edge different heights is provided with mud discharging mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100243691A CN100522842C (en) | 2006-03-03 | 2006-03-03 | Anaerobic reactor |
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| CNB2006100243691A CN100522842C (en) | 2006-03-03 | 2006-03-03 | Anaerobic reactor |
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| CN101028954A true CN101028954A (en) | 2007-09-05 |
| CN100522842C CN100522842C (en) | 2009-08-05 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260023A (en) * | 2011-06-22 | 2011-11-30 | 哈尔滨工业大学 | Apparatus for treating domestic sewage by utilizing anaerobic expanded granular sludge bed |
| CN102276061A (en) * | 2011-05-18 | 2011-12-14 | 贾立敏 | Hydrolysis and denitrification system and method |
| CN102491511A (en) * | 2011-12-09 | 2012-06-13 | 四川四通欧美环境工程有限公司 | Efficient anaerobic bioreactor |
| CN102515426A (en) * | 2011-12-07 | 2012-06-27 | 浙江省环境保护科学设计研究院 | Anaerobic hydrolysis system for treating biorefractory waste water and anaerobic hydrolysis technology adopting the anaerobic hydrolysis system |
| CN103145241A (en) * | 2013-04-02 | 2013-06-12 | 威海百克环保工程有限公司 | PTA (p-phthalic acid) sewage anaerobic reactor and use method thereof |
| CN103803702A (en) * | 2014-02-21 | 2014-05-21 | 辽阳博仕流体设备有限公司 | Small mechanized anaerobic reactor |
| CN107151051A (en) * | 2017-07-06 | 2017-09-12 | 泸州品创科技有限公司 | A kind of efficient aromatic Chinese spirit malting effluent processing anaerobic reaction device |
| CN110668569A (en) * | 2019-11-07 | 2020-01-10 | 知和环保科技有限公司 | Novel anaerobic reactor and application method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1258484C (en) * | 2004-06-11 | 2006-06-07 | 清华大学 | Reactor with anaerobic suspension bed |
| CN2732729Y (en) * | 2004-09-01 | 2005-10-12 | 帕克环保技术(上海)有限公司 | Internal-circulation anaerobic reactor |
-
2006
- 2006-03-03 CN CNB2006100243691A patent/CN100522842C/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276061A (en) * | 2011-05-18 | 2011-12-14 | 贾立敏 | Hydrolysis and denitrification system and method |
| CN102260023A (en) * | 2011-06-22 | 2011-11-30 | 哈尔滨工业大学 | Apparatus for treating domestic sewage by utilizing anaerobic expanded granular sludge bed |
| CN102260023B (en) * | 2011-06-22 | 2013-04-24 | 哈尔滨工业大学 | Apparatus for treating domestic sewage by utilizing anaerobic expanded granular sludge bed |
| CN102515426A (en) * | 2011-12-07 | 2012-06-27 | 浙江省环境保护科学设计研究院 | Anaerobic hydrolysis system for treating biorefractory waste water and anaerobic hydrolysis technology adopting the anaerobic hydrolysis system |
| CN102491511A (en) * | 2011-12-09 | 2012-06-13 | 四川四通欧美环境工程有限公司 | Efficient anaerobic bioreactor |
| CN103145241A (en) * | 2013-04-02 | 2013-06-12 | 威海百克环保工程有限公司 | PTA (p-phthalic acid) sewage anaerobic reactor and use method thereof |
| CN103145241B (en) * | 2013-04-02 | 2014-08-06 | 威海百克环保工程有限公司 | PTA (p-phthalic acid) sewage anaerobic reactor and use method thereof |
| CN103803702A (en) * | 2014-02-21 | 2014-05-21 | 辽阳博仕流体设备有限公司 | Small mechanized anaerobic reactor |
| CN103803702B (en) * | 2014-02-21 | 2015-07-01 | 辽阳博仕流体设备有限公司 | Small mechanized anaerobic reactor |
| CN107151051A (en) * | 2017-07-06 | 2017-09-12 | 泸州品创科技有限公司 | A kind of efficient aromatic Chinese spirit malting effluent processing anaerobic reaction device |
| CN107151051B (en) * | 2017-07-06 | 2020-09-25 | 泸州品创科技有限公司 | Anaerobic reaction device for treating high-efficiency strong aromatic white spirit brewing wastewater |
| CN110668569A (en) * | 2019-11-07 | 2020-01-10 | 知和环保科技有限公司 | Novel anaerobic reactor and application method thereof |
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| Publication number | Publication date |
|---|---|
| CN100522842C (en) | 2009-08-05 |
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