CN206143013U - Handle nitrogen and phosphorus removal system of circulative cooling of power plant sewer - Google Patents
Handle nitrogen and phosphorus removal system of circulative cooling of power plant sewer Download PDFInfo
- Publication number
- CN206143013U CN206143013U CN201621059172.7U CN201621059172U CN206143013U CN 206143013 U CN206143013 U CN 206143013U CN 201621059172 U CN201621059172 U CN 201621059172U CN 206143013 U CN206143013 U CN 206143013U
- Authority
- CN
- China
- Prior art keywords
- filter
- complex biological
- sand
- biological filter
- cobble
- 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.)
- Expired - Fee Related
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title abstract description 38
- 229910052757 nitrogen Inorganic materials 0.000 title abstract description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title abstract description 16
- 229910052698 phosphorus Inorganic materials 0.000 title abstract description 16
- 239000011574 phosphorus Substances 0.000 title abstract description 16
- 238000001816 cooling Methods 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000004576 sand Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 17
- 238000005189 flocculation Methods 0.000 claims abstract description 15
- 230000016615 flocculation Effects 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 229940123973 Oxygen scavenger Drugs 0.000 claims abstract description 8
- 238000005273 aeration Methods 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 47
- 239000003814 drug Substances 0.000 claims description 27
- 238000002156 mixing Methods 0.000 claims description 26
- 239000000945 filler Substances 0.000 claims description 21
- 239000010457 zeolite Substances 0.000 claims description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims description 19
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 19
- 238000009287 sand filtration Methods 0.000 claims description 18
- 239000011435 rock Substances 0.000 claims description 17
- 239000006004 Quartz sand Substances 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 13
- 239000008187 granular material Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- 230000003134 recirculating effect Effects 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000000701 coagulant Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 abstract description 14
- 239000001301 oxygen Substances 0.000 abstract description 14
- 239000010865 sewage Substances 0.000 abstract description 10
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 239000005416 organic matter Substances 0.000 abstract description 4
- 241000894006 Bacteria Species 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 3
- 238000003763 carbonization Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- PQLVXDKIJBQVDF-UHFFFAOYSA-N acetic acid;hydrate Chemical class O.CC(O)=O PQLVXDKIJBQVDF-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000032770 biofilm formation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to a handle nitrogen and phosphorus removal system of circulative cooling of power plant sewer belongs to sewage treatment technical field. The utility model discloses the system throws with carbon source and oxygen scavenger in through the circulative cooling sewer to high nitrogen low carbon, high dissolved oxygen, the carbon -nitrogen ratio that keeps suiting with intake the dissolved oxygen concentration, the sewage composite Biological filtering pond of flowing through, denitrifying bacteria hangs the membrane and grows in packing in the composite Biological filtering pond, utilize denitrification to get rid of the nitrogen that pollutes in the water sample to through distinguishing upper portion aeration, the unnecessary organic matter of carbonization at biofilm carrier, through the absorption and the filtration of multistage filter material, hold back partial ammonia nitrogen and suspended solid in the sewage in step, the composite Biological filtering pond goes out water and adds phosphorus removing agent, and phosphorus gets into active sand filter with the sediment mode behind flocculation, through filtering the dephosphorization and further getting rid of the suspended solid. The utility model discloses the nitrogen and phosphorus removal system is applicable to the circulative cooling of power plant and arranges sewage treatment works, also is applicable to the nitrogen and phosphorus removal advanced treatment of other similar quality of water waste water.
Description
Technical field
The utility model is related to a kind of denitrification dephosphorization system for the treatment of of Power Industrial Recirculating Cooling Water, belongs to sewage disposal skill
Art field.
Background technology
China's circulating cooling water of power plant is mainly using the water outlet (recycled water) of urban wastewater treatment firm as moisturizing, recycled water
In the index such as the nitrogen, phosphorus, the organic matter that contain in itself perform one-level emission standard A, but after circulating cooling system concentration, blowdown
Total nitrogen, total phosphorus, organic matter etc. are unable to qualified discharge in water, and dissolving oxygen saturation, suspension and salinity are higher, follow for power plant
Ring cools down sewer, and the country there is no before this appropriate denitrogenation dephosphorizing treatment technology.
Complex biological filter (Combined Biological Filter, abbreviation CBF) is on BAF basis
The waste water treatment process of upper improvement, belongs to a kind of membrane bioreactor of fixed bed.Complex biological filter is by biological oxidation, nitre
Change, denitrification and filtration (separation of solid and liquid) several functions are concentrated in same reactor, by particulate filler and attachment thereon
Biomembranous filtration, flocculation, biological metabolism, predation is classified along journey food chain, integration completes organics removal and suspension
The processes such as thing, nitrification, denitrification.Using the subregion of the varying environments such as the aerobic, anoxic in reactor, nitrification, denitrification are realized
Carry out in same unitary reactor, compared to conventional activated sludge process, save the equipment such as second pond, extremely simplify in technique,
Floor space is little
Active sand filter is otherwise known as shifting sand filter, active sand filter etc..By circuit control, filter can be certainly
Move, continuously carry out filtering layer cleaning renewal.It with its one-time investment expense it is relatively low, without the need for backwashing system, operation and safeguard
The low advantage of expense, in occupation of increasingly consequence in municipal administration and industry water and sewerage advanced treatment process.
The content of the invention
The purpose of this utility model is to propose a kind of denitrification dephosphorization system for the treatment of of Power Industrial Recirculating Cooling Water, reply electricity
The advanced treating of factory's Industrial Recirculating Cooling Water.Water inlet saturated dissolved oxygen is removed by deaerating type of cycles, is adjusted by carbon source dosing system
Whole water inlet carbon-nitrogen ratio, the absorption and biological denitrification using complex biological filter filtrate, the nitrogen gone in eliminating water；By upper
Section aeration reinforcing removes unnecessary organic carbon source and removes；Complex biological filter water outlet by adding flocculant, by phosphorus precipitating shape
Formula is fixed up and is filtered by consequent activities sand filter and removed, and realizes denitrification and phosphorus removal integration.
The utility model proposes treatment of Power Industrial Recirculating Cooling Water denitrification dephosphorization system, including medicament mixing channel,
Complex biological filter, flocculation mixing channel and active sand filter；Described medicament mixing channel respectively with oxygen scavenger medicine system and carbon
Source medicine system is connected, and the outlet of medicament mixing channel is connected by complex biological filter water inlet pipe with complex biological filter；It is described
The outlet of complex biological filter be connected with flocculation mixing channel by complex biological filter outlet pipe, complex biological filter is interior from upper
And be arranged with volcanic rock granule filter material layer, zeolite filler layer and cobble supporting layer, described volcanic rock granule filter material layer with it is multiple
Close biofilter aeration tube to be connected, joint and the complex biological filter of described zeolite filler layer and cobble supporting layer recoil into
Tracheae is connected, and described cobble supporting layer is connected with complex biological filter water inlet pipe；Described cobble supporting layer simultaneously with it is compound
The backflushing water intake pipe of biofilter is connected；Described flocculation mixing channel is connected with coagulant medicine system, and the mixing channel that flocculates enters
Mouthful be connected with complex biological filter outlet pipe, complex biological filter outlet pipe and meanwhile with complex biological filter washback drainpipe phase
Even, the outlet of flocculation mixing channel is connected by sand filtration water inlet pipe with active sand filter；In described active sand filter from top to bottom
Quartz sand packed layer and sand filter cobble bed course are provided with, the top of quartz sand packed layer is connected with sand filtration recoil outlet pipe, sand
The bottom of filter tank cobble bed course is connected with sand filtration backflushing water intake pipe, and the top exit of active sand filter is connected with sand filtration outlet pipe.
In above-mentioned denitrification dephosphorization system, the main body of described complex biological filter is cylinder, and the ratio of height to diameter of cylinder is (6-
10):1。
In above-mentioned denitrification dephosphorization system, in the volcanic rock granule filter material layer of described complex biological filter, the grain of volcanic rock
Footpath is 3-5mm, and density is 1200-1300kg/m3, specific surface area is 10-15m3/ kg, filling voidage is 50%-60%, is filled
Density is 800-850kg/m3。
In above-mentioned denitrification dephosphorization system, in the zeolite filler layer of described complex biological filter, the particle diameter of zeolite filler is
4-8mm, voidage 35%, the moisture content of zeolite filler is 2-3%.
In above-mentioned denitrification dephosphorization system, in the cobble supporting layer of described complex biological filter, cobble particle diameter is 16-
Tri- kinds of 32mm, 8-16mm and 4-8mm, the cobble of three kinds of cobble particle diameters is filled from bottom to top.
In above-mentioned denitrification dephosphorization system, in described complex biological filter, described cobble supporting layer, zeolite filler layer,
The packing volume ratio of volcanic rock granule filter material layer is 1:2:(3-4)
In above-mentioned denitrification dephosphorization system, in the quartz sand packed layer of described active sand filter, using natural quartz sand filtration
Material, natural siliceous sand particle diameter of filter medium is 1.2～2.0mm, nonuniformity coefficient ＜ 1.5.
The utility model proposes treatment of Power Industrial Recirculating Cooling Water denitrification dephosphorization system, its advantage is：
1st, denitrification dephosphorization system of the present utility model, high nitrogen low-carbon (LC) phosphorus-containing wastewater is intake by complex biological filter bottom, is led to
Crossing additional oxygen scavenger keeps water inlet dissolved oxygen concentration to be suitable to denitrifying bacterium growth, and by additional carbon suitable carbon-nitrogen ratio is adjusted,
During flowing up, by complex biological filter particulate filler and attachment biomembranous filtration, flocculation, biological generation thereon
Thank, predation is classified along journey food chain, and using the subregion of the varying environment such as the anoxic in reactor, aerobic, integration is complete
Into processes such as denitrification, organics removal and suspensions；Water outlet is by adding flocculant and being filtered by consequent activities sand filter
Dephosphorization, realizes denitrification dephosphorization technique integration.Complex biological filter of the present utility model is applied to the sewage disposal of high nitrogen low-carbon (LC)
Engineering, especially for high nitrogen low-carbon (LC), the denitrogenation dephosphorizing of the Industrial Recirculating Cooling Water of high-solubility oxygen, and control outlet water organic substance,
SS etc. meets relevant emission standards.
2nd, denitrification dephosphorization system of the present utility model, it is of the present utility model compared with existing other sewage disposal systems
Biofilter organic loading height, little floor space, small investment, do not produce that sludge bulking, oxygen efficiency of transmission be high, effluent quality is good.
3rd, many set medicine systems are provided with denitrification dephosphorization system of the present utility model, respectively carbon source medicine system, remove
Oxygen agent medicine system and dephosphorization agent medicine system, to meet water inlet carbon-nitrogen ratio regulation, dissolved oxygen respectively dephosphorization work(is adjusted and flocculates
Energy.Medicine system can also using integrated automatic control system, by on-line monitoring equipment by Inlet and outlet water water quality parameter such as total nitrogen,
To intelligence control system, system obtains adjusting the parameter feedbacks such as total phosphorus, COD, flow according to filter tank model calculation
Chemical feeding quantity, realize real-time monitoring.
Description of the drawings
Fig. 1 be the utility model proposes treatment of Power Industrial Recirculating Cooling Water denitrification dephosphorization system structural representation.
In Fig. 1,1 is complex biological filter water inlet pipe, and 2 is oxygen scavenger medicine system, and 3 is carbon source medicine system, and 4 is medicament
Mixing channel, 5 is carrier fill area, and 6 is complex biological filter outlet pipe, and 7 is complex biological filter backflushing water intake pipe, and 8 is compound
Biofilter washback drainpipe, 9 is complex biological filter aeration tube, and 10 is complex biological filter recoil air inlet pipe, and 11 is cobble
Supporting layer, 12 is zeolite filler layer, and 13 is volcanic rock granule filter material layer, and 14 is coagulant medicine system, and 15 is flocculation mixing channel,
16 is sand filtration water inlet pipe, and 17 is sand filter cobble bed course, and 18 is quartz sand packed layer, and 19 is sand filtration backwash air inlet pipe, and 20 are
Sand filtration backflushing water intake pipe, 21 is sand filtration recoil outlet pipe, and 22 is sand filtration outlet pipe.
Specific embodiment
The utility model proposes treatment of Power Industrial Recirculating Cooling Water denitrification dephosphorization system, its structural representation as scheme
Shown in 1, including medicament mixing channel 4, complex biological filter, flocculation mixing channel 15 and active sand filter.Medicament mixing channel 4 respectively with
Oxygen scavenger medicine system 2 is connected with carbon source medicine system 3, the outlet of medicament mixing channel 4 by complex biological filter water inlet pipe 1 with
Complex biological filter is connected.The outlet of complex biological filter is connected by complex biological filter outlet pipe 6 with flocculation mixing channel 15,
Volcanic rock granule filter material layer 13, zeolite filler layer 12 and cobble supporting layer 11 are provided with from top to bottom in complex biological filter, fire
Mountain rock granule filter material layer 13 is connected with complex biological filter aeration tube 9, the joint of zeolite filler layer 12 and cobble supporting layer 11
With complex biological filter recoil air inlet pipe 10 be connected, cobble supporting layer 11 is connected with complex biological filter water inlet pipe 1, and while with
Complex biological filter backflushing water intake pipe 7 is connected.Flocculation mixing channel 15 is connected with coagulant medicine system 14, and flocculate mixing channel 15
Import is connected with complex biological filter outlet pipe 6, complex biological filter outlet pipe 6 simultaneously with complex biological filter washback drainpipe
8 are connected, and the outlet of the mixing channel 15 that flocculates is connected by sand filtration water inlet pipe 16 with active sand filter.In active sand filter from top to bottom
It is provided with quartz sand packed layer 18 and sand filter cobble bed course 17, top and the sand filtration recoil outlet pipe 21 of quartz sand packed layer 18
It is connected, the bottom of sand filter cobble bed course 17 is connected with sand filtration backflushing water intake pipe 20, the top exit of active sand filter and sand filtration
Outlet pipe 22 is connected.
In above-mentioned denitrification dephosphorization system, the main body of described complex biological filter is cylinder, and the ratio of height to diameter of cylinder is (6-
10):1。
In above-mentioned denitrification dephosphorization system, in the volcanic rock granule filter material layer of described complex biological filter, the grain of volcanic rock
Footpath is 3-5mm, and density is 1200-1300kg/m3, specific surface area is 10-15m3/ kg, filling voidage is 50%-60%, is filled
Density is 800-850kg/m3。
In above-mentioned denitrification dephosphorization system, in the zeolite filler layer of described complex biological filter, the particle diameter of zeolite filler is
4-8mm, voidage 35%, the moisture content of zeolite filler is 2-3%.
In above-mentioned denitrification dephosphorization system, in the cobble supporting layer of described complex biological filter, cobble particle diameter is 16-
Tri- kinds of 32mm, 8-16mm and 4-8mm, the cobble of three kinds of cobble particle diameters is filled from bottom to top.
In above-mentioned denitrification dephosphorization system, in described complex biological filter, described cobble supporting layer, zeolite filler layer,
The packing volume ratio of volcanic rock granule filter material layer is 1:2:(3-4)
In above-mentioned denitrification dephosphorization system, in the quartz sand packed layer of described active sand filter, using natural quartz sand filtration
Material, natural siliceous sand particle diameter of filter medium is 1.2～2.0mm, nonuniformity coefficient ＜ 1.5.
Denitrification dephosphorization system of the present utility model, it is possible to use automatic control system is automatically controlled.By to high nitrogen
Carbon source and oxygen scavenger, the suitable carbon-nitrogen ratio of holding and water inlet dissolved oxygen are added in low-carbon (LC), the Industrial Recirculating Cooling Water of high-solubility oxygen
Concentration, sewage flows through complex biological filter, denitrifying bacterium biofilm formation growth in complex biological filter filler, using denitrification
The nitrogen in pollution water sample is removed, and by the way that in biologic packing material area top aeration, be carbonized unnecessary organic matter；By multistage filtrate
Absorption and filtration, the part ammonia nitrogen and suspension in synchronous retention sewage；Dephosphorization agent is added in complex biological filter water outlet, passes through
Phosphorus enters active sand filter with coprecipitation mode after flocculation, by filtering dephosphorization and further removing oil removal.By carbon nitrogen
Optimization more isoparametric than, oxygen scavenger consumption, dephosphorization agent consumption, volumetric loading, reaches good Nitrogen/Phosphorus Removal.The combination work
Skill is applied to circulating cooling sewage from power plants and processes engineering, is also applied for the denitrogenation dephosphorizing depth of other similar water quality waste water
Reason.
The embodiment of the utility model denitrification dephosphorization system introduced below：
Embodiment 1
Using the pilot-plant shown in Fig. 1, complex biological filter diameter 0.6m, high 4m, dischargeable capacity 565L, filtrate is chosen
For volcanic rock, combination of zeolites filtrate, active sand filter dischargeable capacity 85L, using quartz sand filter media；Intake as certain gas power station
Industrial Recirculating Cooling Water, dissolved oxygen 8.5-9.0mg/L, total nitrogen concentration 35-60mg/L, with sodium acetate as additional carbon, carbon-nitrogen ratio
Than 3.5：1, total phosphorus 0.4-2.0mg/L, suspension 9-18mg/L.
In volume total nitrogen load 0.45-0.76kg/m3D (flow of inlet water 300L/h), under conditions of, through the fortune of 30d
OK, total nitrogen aqueous concentration is less than 10mg/L, and nitrogen removal rate is between 71.4%-83.3%；Suspension be reduced to 5mg/L with
Under；Unnecessary carbon source can be removed by complex biological filter epimere aeration, water outlet COD is less than 20mg/L；Compound bio
Filter tank water outlet adds aluminium polychloride dephosphorization, actually adds coefficient 3.85～6.50, and water outlet total phosphorus is less than 0.2mg/L.
Carbon source medicine system in denitrification dephosphorization system of the present utility model, is by three acetate hydrates of purity >=99.5%
Sodium (CH2COONa2·3H2O) add in deionized water, be configured to the aqueous solution that sodium acetate active ingredient is 1%, be placed in sealing storage
In tank.Flow is adjusted using peristaltic pump, in being added to pending water sample.Deaerating type of cycles therein：Using sodium sulfite and oxygen
Reaction, go eliminating water to embezzle and dissolved oxygen.By analytically pure sodium sulfite (Na2SO3) add deionized water in, be configured to sulfurous
Sour sodium active ingredient is 0.4% aqueous solution, is placed in sealing storage tank.Flow is adjusted using peristaltic pump, accessing pending water is added to
In sample.
Claims (7)
1. a kind of denitrification dephosphorization system for the treatment of of Power Industrial Recirculating Cooling Water, it is characterised in that including medicament mixing channel, compound
Biofilter, flocculation mixing channel and active sand filter；Described medicament mixing channel adds respectively with oxygen scavenger medicine system and carbon source
Medicine system is connected, and the outlet of medicament mixing channel is connected by complex biological filter water inlet pipe with complex biological filter；Described answers
The outlet for closing biofilter is connected by complex biological filter outlet pipe with flocculation mixing channel, in complex biological filter from top to bottom
It is provided with volcanic rock granule filter material layer, zeolite filler layer and cobble supporting layer, described volcanic rock granule filter material layer and compound life
Thing filter tank aeration tube is connected, and joint and the complex biological filter of described zeolite filler layer and cobble supporting layer recoil air inlet pipe
It is connected, described cobble supporting layer is connected with complex biological filter water inlet pipe；Described flocculation mixing channel and coagulant dosing system
System be connected, flocculate mixing channel import be connected with complex biological filter outlet pipe, complex biological filter outlet pipe at the same be combined
Biofilter washback drainpipe is connected, and the outlet of the mixing channel that flocculates is connected by sand filtration water inlet pipe with active sand filter；Described
Quartz sand packed layer and sand filter cobble bed course, the top of quartz sand packed layer and sand are provided with from top to bottom in active sand filter
Filter recoil outlet pipe is connected, and the bottom of sand filter cobble bed course is connected with sand filtration backflushing water intake pipe, goes out at the top of active sand filter
Mouth is connected with sand filtration outlet pipe.
2. denitrification dephosphorization system as claimed in claim 1, it is characterised in that the main body of wherein described complex biological filter is
Cylinder, the ratio of height to diameter of cylinder is (6-10):1.
3. denitrification dephosphorization system as claimed in claim 1, it is characterised in that the volcanic rock of wherein described complex biological filter
In granule filter material layer, the particle diameter of volcanic rock is 3-5mm, and density is 1200-1300kg/m3, specific surface area is 10-15m3/ kg, fills out
It is 50%-60% to fill voidage, and packed density is 800-850kg/m3。
4. denitrification dephosphorization system as claimed in claim 1, it is characterised in that the zeolite filter of wherein described complex biological filter
In the bed of material, the particle diameter of zeolite filler is 4-8mm, voidage 35%, and the moisture content of zeolite filler is 2-3%.
5. denitrification dephosphorization system as claimed in claim 1, it is characterised in that the cobble of wherein described complex biological filter holds
In support layer, cobble particle diameter is tri- kinds of 16-32mm, 8-16mm and 4-8mm, and the cobble of three kinds of cobble particle diameters is filled from bottom to top.
6. denitrification dephosphorization system as claimed in claim 1, it is characterised in that described in wherein described complex biological filter
Cobble supporting layer, zeolite filler layer, the packing volume ratio of volcanic rock granule filter material layer are 1:2:(3-4).
7. denitrification dephosphorization system as claimed in claim 1, it is characterised in that the quartz sand of wherein described active sand filter is filled out
In filling layer, using natural quartz sand filtering material, natural siliceous sand particle diameter of filter medium is 1.2～2.0mm, nonuniformity coefficient ＜ 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059172.7U CN206143013U (en) | 2016-09-14 | 2016-09-14 | Handle nitrogen and phosphorus removal system of circulative cooling of power plant sewer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059172.7U CN206143013U (en) | 2016-09-14 | 2016-09-14 | Handle nitrogen and phosphorus removal system of circulative cooling of power plant sewer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206143013U true CN206143013U (en) | 2017-05-03 |
Family
ID=58619114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621059172.7U Expired - Fee Related CN206143013U (en) | 2016-09-14 | 2016-09-14 | Handle nitrogen and phosphorus removal system of circulative cooling of power plant sewer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206143013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219904A (en) * | 2016-09-14 | 2016-12-14 | 清华大学 | A kind of denitrification dephosphorization system for the treatment of of Power Industrial Recirculating Cooling Water |
-
2016
- 2016-09-14 CN CN201621059172.7U patent/CN206143013U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219904A (en) * | 2016-09-14 | 2016-12-14 | 清华大学 | A kind of denitrification dephosphorization system for the treatment of of Power Industrial Recirculating Cooling Water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106219904A (en) | A kind of denitrification dephosphorization system for the treatment of of Power Industrial Recirculating Cooling Water | |
| US9045356B2 (en) | Sewage treatment process and system | |
| CN101205109B (en) | Apparatus for treating chemical fiber waste water by anaerobic method | |
| CN108585384B (en) | MBBR high-standard sewage treatment system and treatment process | |
| CN105236694A (en) | System and method for deeply treating chemical wastewater and biochemical tail water | |
| CN102225803B (en) | Biomembrane reactor, waste water treating system and method for treating waste water | |
| CN101973667B (en) | Combined process and device for deep purification of polluted surface water | |
| CN105236564B (en) | A kind of BAF combined stuffing and application | |
| KR102170601B1 (en) | Advanced sewage and wastewater separation membrane device using low temperature plasma | |
| CN214060278U (en) | Mariculture tail water discharging device | |
| CN203922862U (en) | Many gallery interlocking filter wall microbial film apparatus for treating sewage | |
| CN104016490A (en) | Multi-corridor scarfed filter wall bio-membrane sewage treatment apparatus and application thereof | |
| CN109052870A (en) | domestic sewage processing system and method | |
| CN104803480B (en) | Multistage bioreactor and method for treating sewage with reactor | |
| CN110526504B (en) | System and method for treating regenerated waste liquid of targeted denitrification and dephosphorization resin | |
| CN102267785B (en) | Renewable water treatment device and method by use of micro-polluted water bodies as sources | |
| CN107973488B (en) | Method for denitrification treatment of ammonia nitrogen wastewater | |
| CN101746879B (en) | Aeration biological filter bed and sewage advanced treatment method thereof | |
| CN206143013U (en) | Handle nitrogen and phosphorus removal system of circulative cooling of power plant sewer | |
| CN105110556A (en) | Integrated denitrification decarbonization biological aerated filter and processing system thereof | |
| CN210559637U (en) | Novel moving bed biofilm reactor for sewage treatment | |
| CN205676326U (en) | A kind of integrated sewage disposal intermediate filtered bioreactor | |
| CN201890824U (en) | Advanced purification combination device for polluted surface water | |
| CN209685515U (en) | A kind of system of advanced treatment of wastewater and concentrated water disposition | |
| CN107585854A (en) | The method of BAF, its construction method and the biofilter processing water using this method structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |