CN205419920U - Fixed membrane biological filter reaction system - Google Patents
Fixed membrane biological filter reaction system Download PDFInfo
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- CN205419920U CN205419920U CN201521005362.6U CN201521005362U CN205419920U CN 205419920 U CN205419920 U CN 205419920U CN 201521005362 U CN201521005362 U CN 201521005362U CN 205419920 U CN205419920 U CN 205419920U
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- biofilter
- distributor chamber
- air water
- response system
- biological filter
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Abstract
The utility model relates to a fixed membrane biological filter reaction system, include: the leading denitrification filtering pond of oxygen deficiency is equipped with a biological filtering material layer and locates first air water distributor chamber under the biological filtering material layer, with the aerobiont filter pond of the leading denitrification filtering pond of oxygen deficiency intercommunication is equipped with the 2nd biological filtering material layer and locates second air water distributor chamber under the 2nd biological filtering material layer, and with the rearmounted denitrification filtering pond of oxygen deficiency of aerobiont filter pond intercommunication is equipped with the 3rd biological filtering material layer and locates third air water distributor chamber under the 3rd biological filtering material layer. The utility model discloses fixed membrane biological filter reaction system can fast, effectively get rid of organic pollutant, nitrogen, suspended solid and the phosphorus in the sewage, and it is good to have a treatment effect, and it is good to go out water quality of water.
Description
Technical field
This utility model relates to sewage treatment area, particularly relates to a kind of fixing film biofilter response system.
Background technology
At county level and the above construction of municipal effluent plant of China is fairly perfect, sewage treatment process is used to be mainly activated sludge process, future at county level to go to the countryside, that the administrative unit such as town builds sewage treatment plant's demand of bench scale is bigger, along with country 13 planning increasing to waste water control dynamics and the raising to sewage drainage standard, this would is that a huge challenge to the sewage disposal of sewage treatment industry, particularly bench scale.
Current domestic commonly used sewage treatment process is activated sludge process, it is stable that activated sludge process has treatment effect, the advantage such as reliable, use more in big-and-middle-sized scale sewage treatment plant, owing to its degree for the treatment of can only achieve the one-level B discharge standard of " urban wastewater treatment firm pollutant emission standard " (GB18918-2002), one-level emission standard A is brought up to adapt to state sewage emission standard, follow-up advanced treating must be carried out, processing technological flow length (hydraulic detention time was more than 24 hours), floor space is big, treatment effeciency is poor, operation maintenance is complicated and operating cost is high, add State owned land resource more and more limited, seriously constrain sewage disposal process by activated sludge process application in small-scale sewage treatment plant.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of fixing film biofilter response system, the problem such as can solve technological process length in existing sewage disposal, floor space is big, treatment effeciency is poor and operation maintenance is complicated.
The technical scheme realizing above-mentioned purpose is:
This utility model one fixes film biofilter response system, including:
Anoxia Prepositive denitrification filter tank, is provided with the first biological filter bed of material and is located at the first air water distributor chamber under the described first biological filter bed of material；
The aerobic biofilter connected with described anoxia Prepositive denitrification filter tank, is provided with the second biological filter bed of material and is located at the second air water distributor chamber under the described second biological filter bed of material；And
The anoxia rear-mounted denitrification filter tank connected with described aerobic biofilter, is provided with the 3rd biological filter material layer and is located at the 3rd air water distributor chamber under the described 3rd biological filter material layer.
This utility model fixes further improvement is that of film biofilter response system, water distribution system, gas distribution system and air water distribution filter block it is provided with in described first air water distributor chamber, described second air water distributor chamber and described 3rd air water distributor chamber, described water distribution system is connected with water pump, and described gas distribution system is connected with aerator.
This utility model fixes further improvement is that of film biofilter response system, and described anoxia Prepositive denitrification filter tank is provided with the first sparge pipe that the first distributing channel that the first water inlet pipe connects connects with described first distributing channel and described first air water distributor chamber, the first effluent weir and the first outlet pipe connected with described first effluent weir with described first water inlet pipe.
This utility model fixes further improvement is that of film biofilter response system, and described aerobic biofilter is provided with the second sparge pipe, the second effluent weir and the second outlet pipe that connects with described second effluent weir connecting the second distributing channel that the second water inlet pipe connects with described second water inlet pipe with described first outlet pipe and connecting with described second distributing channel and described second air water distributor chamber.
This utility model fixes further improvement is that of film biofilter response system, and described anoxia rear-mounted denitrification filter tank is provided with the water distribution weir that the 3rd distributing channel that the 3rd water inlet pipe connected with described second outlet pipe connects connects with described 3rd distributing channel and the 3rd outlet pipe connecting described 3rd air water distributor chamber with described 3rd water inlet pipe.
This utility model fixes further improvement is that of film biofilter response system, and connecting between described second outlet pipe and described 3rd water inlet pipe has carbon source to add pump and carbon source storage tank.
This utility model fixes further improvement is that of film biofilter response system, and the described first biological filter bed of material is cellular volcano rock stratum.
This utility model fixes further improvement is that of film biofilter response system, and the described second biological filter bed of material includes cellular volcano rock stratum and cobblestone layer.
This utility model fixes further improvement is that of film biofilter response system, is provided with supporting layer between the described 3rd biological filter material layer and described 3rd air water distributor chamber.
This utility model fixes further improvement is that of film biofilter response system, and the described 3rd biological filter material layer is quartz sand layer, and described supporting layer is cobblestone layer.
This utility model fixes having the beneficial effect that of film biofilter response system
This utility model fixes film biofilter response system can be quickly, effectively remove the organic pollution in sewage, nitrogen, float and phosphorus, there is high treating effect, effluent quality is good, " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level emission standard A can be better than, processing technological flow is short, floor space is little, equipment is few, operation maintenance is easy, hydraulic detention time is less than 4～5 hours, it is about the 50% of activated sludge process land used, a large amount of soils and construction investment can be saved, operating cost specific activity sludge saves 30%～about 40%.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model fixes film biofilter response system.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
This utility model provides a kind of fixing film biofilter response system, referred to as AOA biological filtering tank process, can quickly, effectively remove organic pollution, nitrogen, float and the phosphorus in sewage, it is made up of anoxia Prepositive denitrification filter tank, aerobic biofilter and three kinds of anoxia rear-mounted denitrification filter tank fixing film biofilter processing unit, there is high treating effect, the advantages such as processing technological flow is short, floor space is little, the few easy maintenance of equipment.This utility model is fixed film biofilter response system below in conjunction with the accompanying drawings be described in detail.
Refering to Fig. 1, it is shown that this utility model fixes the structural representation of film biofilter response system.This utility model is fixed film biofilter response system illustrate.
As shown in Figure 1, this utility model is fixed film biofilter response system and is included anoxia Prepositive denitrification filter tank 11, aerobic biofilter 12, and anoxia rear-mounted denitrification filter tank 13, anoxia Prepositive denitrification filter tank 11 connects with aerobic biofilter 12, aerobic biofilter 12 connects with anoxia rear-mounted denitrification filter tank 13, in anoxia Prepositive denitrification filter tank 11, it is provided with the first biological filter bed of material 111 and is located at the first air water distributor chamber 112 under the first biological filter bed of material 111, in aerobic biofilter 12, it is provided with the second biological filter bed of material 121 and is located at the second air water distributor chamber 122 under the second biological filter bed of material 121, the 3rd biological filter material layer 131 and the 3rd air water distributor chamber 132 being located under the 3rd biological filter material layer 131 in anoxia rear-mounted denitrification filter tank 13.
The structure of first air water distributor chamber the 112, second soda pop distribution 122 and the 3rd air water distributor chamber 132 is identical, water distribution system 1121, gas distribution system 1122 and air water distribution filter block 1123 it is provided with in distributor chamber, water distribution system 1121 is connected with water pump 14, gas distribution system 1122 is connected with aerator 15, and air-water backwashing is completed by water pump 14 and aerator 15.Oxygen supply in aerobic biofilter 12 is completed by aerator 15.
Anoxia Prepositive denitrification filter tank 11 is provided with first sparge pipe the 115, first effluent weir 116 that the first distributing channel 114 that the first water inlet pipe 113 connects connects with the first distributing channel 114 and the first air water distributor chamber 112 and the first outlet pipe 117 connected with the first effluent weir 116 with the first water inlet pipe 113.The first biological filter bed of material 111 is cellular volcano rock stratum.Wherein the top in anoxia Prepositive denitrification filter tank 11 is located at by first water inlet pipe the 113, first distributing channel the 114, first effluent weir 116 and the first outlet pipe 117, and the first air water distributor chamber 112 is located at the bottom in anoxia Prepositive denitrification filter tank 11.Anoxia Prepositive denitrification filter tank 11 uses upper up-flow fixed biofilm technology, it is arranged at the front end of aerobic biofilter, biofilter material uses 20～40mm natural cellular height hole volcanic rock, cultivate the different facultative denitrifying bacteria of oxygen type, by the backflow to aerobic biofilter nitrification liquid, reflux ratio is 150～250%, use front establishment method, make full use of the organic carbon source in former water, realize the purpose of denitrogenation, backwashing period and frequency can be set according to effluent quality, air water distribution uses large area, the method of salary distribution of middle resistance, water distribution, gas distribution is highly uniform, various operating modes are run automatically by computer, hydraulic detention time about 40 minutes.
Aerobic biofilter 12 is provided with and connects second sparge pipe the 125, second effluent weir 126 that the second distributing channel 124 that the second water inlet pipe 123 connects with the second water inlet pipe 123 connects with the second distributing channel 124 and the second air water distributor chamber 122 and the second outlet pipe 127 connected with the second effluent weir 126 with the first outlet pipe 117.The second biological filter bed of material 121 includes cellular volcano rock stratum and cobblestone layer, second air water distributor chamber 122 is located at the bottom of aerobic biofilter 12, and the top of aerobic biofilter 12 is located at by second water inlet pipe the 123, second distributing channel the 124, second effluent weir 126 and the second outlet pipe 127.Aerobic biofilter 12 uses upper up-flow fixed biofilm technology, biofilter material uses natural cobblestone and the natural cellular height hole volcanic rock of 20～40mm, both the Aerobic biological process pond that can unite two into one as oxidation of coal and nitrification, also dependent on being used alone as oxidation of coal pond or biological nitration pond, gas, liquid employing flows up in the same direction, inversely filters.When sewage flows through biofilter material, the pollutant such as Organic substance, nitrogen, phosphorus are aoxidized by aerobic microbiological, owing to biological bed body is fixed, the micro-living environment of microorganism is stable, biological flora, by its life characteristic and sewage organic substrates concentration, is distributed along journey by filter bed water (flow) direction, and biological activity is strong, the nitrification effect of organic matter removal and ammonia nitrogen is good, and water outlet ammonia nitrogen is extremely low.Bed body cell body is relatively deep, and cell body area is less, even water distribution, and winter operation has good heat-insulating property, is suitable for north of China cold district in winter, and air themperature, about minus 20 degrees Celsius, remains to reach preferable treatment effect.Bed body does not retain into the solid suspension in water and biosolids, as long as the most just washing and spoil disposal, simple to operate, completely eliminate conventional filter tank waterpower crossfire hidden danger simultaneously, effectively prevent the generation of mud cake, mud ball, solve the common fault that tradition aerobic biofilter easily blocks up.Can set backwashing period and frequency according to effluent quality, air water distribution uses large area, the method for salary distribution of middle resistance, and water distribution, gas distribution are highly uniform, and various operating modes are run automatically by computer, hydraulic detention time about 120 minutes.
Anoxia rear-mounted denitrification filter tank 13 is provided with water distribution weir 135 and the 3rd outlet pipe 136 of connection the 3rd air water distributor chamber 132 that the 3rd distributing channel 134 that the 3rd water inlet pipe 133 connected with the second outlet pipe 127 connects connects with the 3rd distributing channel 134 with the 3rd water inlet pipe 133.3rd air water distributor chamber 132 is located at the bottom in anoxia rear-mounted denitrification filter tank 13, and the top in anoxia rear-mounted denitrification filter tank 13 is located on the 3rd water inlet pipe the 133, the 3rd distributing channel 134 and water distribution weir 134.Connecting between the second outlet pipe 127 and the 3rd water inlet pipe 133 has carbon source to add pump 16 and carbon source storage tank 17, is arranged on by carbon source toss area in the connecting tube between aerobic biofilter 12 and anoxia rear-mounted denitrification filter tank 13, and employing accurately adds and automatically controls.It is provided with supporting layer 137 between 3rd biological filter material layer 131 and the 3rd air water distributor chamber 132.3rd biological filter material layer 131 is quartz sand layer, and supporting layer 137 is cobblestone layer.Anoxia rear-mounted denitrification filter tank 13 uses to dirty fixed biofilm technology, it is arranged at the rear end of aerobic biofilter, biofilter material uses 2～4mm natural siliceous sands, there is preferable porosity, the bed body degree of depth is more than 1.5 meters, good filtration effect, supporting layer uses the natural cobblestone of 4～40mm, carry out grating to be alternately arranged, effectively realize secondary water distribution, distribution, anoxia rear-mounted denitrification filter tank can a pond multiplex, both can use as sand filter, additional carbon or Dephosphorization reagent can realize again denitrification denitrogenation or dephosphorization.Can set backwashing period and frequency according to effluent quality, air water distribution uses large area, the method for salary distribution of middle resistance, and water distribution, gas distribution are highly uniform, and various operating modes are run automatically by computer, hydraulic detention time about 20 minutes.
Anaerobic-aerobic fixed biofilm sewage treatment process, it is called for short AOA biological filtering tank process, can quickly, effectively remove organic pollution, nitrogen, float and the phosphorus in sewage, AOA biological filtering tank process is made up of anoxia Prepositive denitrification filter tank, aerobic biofilter and three kinds of anoxia rear-mounted denitrification filter tank fixing film biofilter processing unit, has:
High treating effect, effluent quality is good, can be better than " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level emission standard A；
Processing technological flow is short, and floor space is little, and equipment is few, operation maintenance is easy, and hydraulic detention time is less than 4～5 hours, is about the 50% of activated sludge process land used, can save a large amount of soil and construction investment；
Operating cost specific activity sludge saves 30～about 40%.
Being described in detail this utility model above in association with accompanying drawing embodiment, this utility model can be made many variations example by those skilled in the art according to the above description.Thus, some details in embodiment should not constitute restriction of the present utility model, this utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (10)
1. a fixing film biofilter response system, it is characterised in that including:
Anoxia Prepositive denitrification filter tank, is provided with the first biological filter bed of material and is located at the first air water distributor chamber under the described first biological filter bed of material；
The aerobic biofilter connected with described anoxia Prepositive denitrification filter tank, is provided with the second biological filter bed of material and is located at the second air water distributor chamber under the described second biological filter bed of material；And
The anoxia rear-mounted denitrification filter tank connected with described aerobic biofilter, is provided with the 3rd biological filter material layer and is located at the 3rd air water distributor chamber under the described 3rd biological filter material layer.
2. fixing film biofilter as claimed in claim 1 response system, it is characterized in that, water distribution system, gas distribution system and air water distribution filter block it is provided with in described first air water distributor chamber, described second air water distributor chamber and described 3rd air water distributor chamber, described water distribution system is connected with water pump, and described gas distribution system is connected with aerator.
3. fixing film biofilter as claimed in claim 1 or 2 response system, it is characterized in that, described anoxia Prepositive denitrification filter tank is provided with the first sparge pipe that the first distributing channel that the first water inlet pipe connects connects with described first distributing channel and described first air water distributor chamber, the first effluent weir and the first outlet pipe connected with described first effluent weir with described first water inlet pipe.
4. fixing film biofilter as claimed in claim 3 response system, it is characterized in that, described aerobic biofilter is provided with the second sparge pipe, the second effluent weir and the second outlet pipe that connects with described second effluent weir connecting the second distributing channel that the second water inlet pipe connects with described second water inlet pipe with described first outlet pipe and connecting with described second distributing channel and described second air water distributor chamber.
5. fixing film biofilter as claimed in claim 4 response system, it is characterized in that, described anoxia rear-mounted denitrification filter tank is provided with the water distribution weir that the 3rd distributing channel that the 3rd water inlet pipe connected with described second outlet pipe connects connects with described 3rd distributing channel and the 3rd outlet pipe connecting described 3rd air water distributor chamber with described 3rd water inlet pipe.
6. fixing film biofilter as claimed in claim 5 response system, it is characterised in that connect between described second outlet pipe and described 3rd water inlet pipe and have carbon source to add pump and carbon source storage tank.
7. fixing film biofilter as claimed in claim 1 response system, it is characterised in that the described first biological filter bed of material is cellular volcano rock stratum.
8. fixing film biofilter as claimed in claim 1 response system, it is characterised in that the described second biological filter bed of material includes cellular volcano rock stratum and cobblestone layer.
9. fixing film biofilter as claimed in claim 1 response system, it is characterised in that be provided with supporting layer between the described 3rd biological filter material layer and described 3rd air water distributor chamber.
10. fixing film biofilter as claimed in claim 1 response system, it is characterised in that the described 3rd biological filter material layer is quartz sand layer, and described supporting layer is cobblestone layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005362.6U CN205419920U (en) | 2015-12-07 | 2015-12-07 | Fixed membrane biological filter reaction system |
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| CN201521005362.6U CN205419920U (en) | 2015-12-07 | 2015-12-07 | Fixed membrane biological filter reaction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337274A (en) * | 2017-07-14 | 2017-11-10 | 华南理工大学 | The method of its processing domestic sewage of villages and small towns of integrated expanded bed biomembrane Compound filter pool and application |
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- 2015-12-07 CN CN201521005362.6U patent/CN205419920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337274A (en) * | 2017-07-14 | 2017-11-10 | 华南理工大学 | The method of its processing domestic sewage of villages and small towns of integrated expanded bed biomembrane Compound filter pool and application |
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