CN205773891U - A kind of system of percolate advanced treating - Google Patents
A kind of system of percolate advanced treating Download PDFInfo
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- CN205773891U CN205773891U CN201620394712.0U CN201620394712U CN205773891U CN 205773891 U CN205773891 U CN 205773891U CN 201620394712 U CN201620394712 U CN 201620394712U CN 205773891 U CN205773891 U CN 205773891U
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Abstract
The utility model discloses a kind of percolate advanced treatment system, it is made up of coagulative precipitation tank, light electrolysis coupling Fenton oxidation segregation apparatus, preposition biomembrane denitrogenation carbon removing device, light electrolysis coupling Fenton oxidation segregation apparatus is that light electrolysis couples Fenton oxidation bed, the combination unit in neutralization precipitation pond, and preposition biomembrane denitrogenation carbon removing device includes anoxia deep bed denitrification bio-filter (A DBF), aerobic de-carbon nitrification biofilter (C/N BAF) and intermediate water tank.This utility model needle set has higher capacity of resisting impact load, and can synchronize to realize the removal of the pollutant such as TP, COD, ammonia nitrogen and total nitrogen, and effluent index can reach " household refuse landfill sites Environmental capacity standard " (GB16889 2008) primary standard.
Description
Technical field
This utility model belongs to technical field of waste water processing, is specifically related to a kind of percolate advanced treatment system.
Background technology
At present, the advanced treating of percolate is mainly based on membrane filtration, and membrane technology uses ultrafiltration, nanofiltration and anti-
Infiltration, but ultrafiltration, nanofiltration and reverse osmosis are only a separation process, pollutant undegraded and effective removal, clear discharging
While liquid, also have substantial amounts of concentrated solution.Simultaneously because ultrafiltration, nanofiltration and reverse osmosis do not have biological degradation function, water outlet is clear
In liquid, low molecule organic matter such as thioether, hydrogen sulfide etc. can make water outlet leave stink.The concentrated solution that membrane processing method produces is a kind of
The secondary pollution source that intractability is the biggest, the process of concentrated solution does not the most also have good method, and film belongs to not
Renewable resource, must more renew as damaged, it is impossible to recycle, and causes the waste of resource, and operating cost is high.General concentration
The process of liquid uses evaporation, adsorbs burning method and recharge landfill yard.Wherein, evaporation mummification method is high to equipment requirements, operating cost
Height, operation management is complicated；Absorption burning method runs more abroad, but the requirement to adsorbent is high, the activity generally used
Charcoal bad mechanical strength, regeneration difficulty；Recharging the concentrated solution of landfill yard, filter through mineralized waste, in system, salinity cannot remove,
Form accumulation for a long time, make leachate quality run down, affect system properly functioning.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, biochemical in conjunction with percolate second pond
Water outlet and the character of membrance concentration liquid, by the way of physics, chemistry and biological treatment combine, propose a kind of percolate deep
Degree processing system.This system has a higher capacity of resisting impact load, and can synchronize to realize heavy metal, TP, COD, ammonia nitrogen and
The removal of the pollutant such as total nitrogen, effluent index can reach " household refuse landfill sites Environmental capacity standard " (GB16889-2008)
Grade standard, solves the most intractable present situation of percolate.
This utility model is the technical scheme reaching above-mentioned purpose:
This utility model percolate advanced treatment system, by including that coagulative precipitation tank, light electrolysis couple Fenton oxidation
Segregation apparatus, preposition biomembrane denitrogenation carbon removing device are composed in series.
Described percolate includes the percolate secondary biochemical effluent after physical separation or through physics
The concentrated solution that membrane bioreactor after separation produces；
Described coagulative precipitation tank includes that inlet channel, coagulated agent dosing system, agitating device, coagulative precipitation tank are originally
Body, swash plate or inclined tube, discharge pipeline, outlet canal, coagulative precipitation tank body is tube settler or inclined-plate clarifying basin；
Described light electrolysis coupling Fenton oxidation segregation apparatus includes that light electrolysis couples Fenton oxidation bed, neutralization precipitation pond；
Described preposition biomembrane denitrogenation carbon removing device includes that anoxia deep bed denitrification bio-filter (A-DBF), aerobic de-carbon nitrification are raw
Thing filter tank (C/N-BAF) and intermediate water tank, anoxia deep bed denitrification bio-filter (A-DBF) and aerobic de-carbon nitrification biofilter
(C/N-BAF) being connected in series, arrange percolate reflux between the two, percolate reflux ratio is 100% ~ 400%.
The outlet pipe in described neutralization precipitation pond is raw with the outlet pipe of percolate reflux bed denitrification deep with anoxia respectively
Thing filter tank (A-DBF) body lower part connects.
Anoxia deep bed denitrification bio-filter (A-DBF) include anoxia deep bed denitrification bio-filter (A-DBF) distributing water room,
Anoxia deep bed denitrification bio-filter (A-DBF) water-distributing device, anoxia deep bed denitrification bio-filter (A-DBF) body, anti-nitre
Metaplasia thing filter material layer, clear water zone, outlet canal, outlet pipe.Anoxia deep bed denitrification bio-filter (A-DBF) distributing water room is arranged on scarce
Oxygen deep bed denitrification bio-filter (A-DBF) body lower part, anoxia deep bed denitrification bio-filter (A-DBF) water-distributing device is arranged
In anoxia deep bed denitrification bio-filter (A-DBF) distributing water room, the denitrification biological filter bed of material is arranged on anoxia deep bed denitrification
Biofilter (A-DBF) water-distributing device top, clear water zone, on the top of the denitrification biological filter bed of material, has water outlet in clear water zone
Canal, outlet canal connects aerobic de-carbon nitrification biofilter (C/N-BAF) body lower part by outlet pipe；
Aerobic de-carbon nitrification biofilter (C/N-BAF) include aerobic de-carbon nitrification biofilter (C/N-BAF) distributing water room,
Aerobic de-carbon nitrification biofilter (C/N-BAF) water-distributing device, aerobic de-carbon nitrification biofilter (C/N-BAF) body, nitrification
The biological filter bed of material, clear water zone, outlet canal, outlet pipe and intermediate pool, aerobic de-carbon nitrification biofilter (C/N-BAF) distributing water room
It is arranged on aerobic de-carbon nitrification biofilter (C/N-BAF) body lower part, aerobic de-carbon nitrification biofilter (C/N-BAF) water distribution
Device is arranged in aerobic de-carbon nitrification biofilter (C/N-BAF) distributing water room, and the de-carbon nitrification biological filter bed of material is arranged on aerobic
De-carbon nitrification biofilter (C/N-BAF) distributing water room top, nitrification biological filter bed of material top is clear water zone, clear water zone and outlet canal
Connection, outlet canal connects discharge pond by outlet pipe, and discharge pool portion water outlet is as finally discharging water outlet, and part is as returning
The nitrification liquid of stream.
This utility model is by the way of physics, chemistry and biological treatment combine, for different dirty in percolate
Dye thing carries out depth of assortment process.This system has higher capacity of resisting impact load, and can synchronize to realize TP, COD, ammonia nitrogen
With the removal of the pollutant such as total nitrogen, effluent index can reach " household refuse landfill sites Environmental capacity standard " (GB16889-2008)
Primary standard.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In Fig. 1: 1, inlet channel, 2, coagulative precipitation tank, 3, coagulated agent throwing device, 4, inclined tube or swash plate, 5, water outlet
Weir, 6, hydrogen peroxide and acid chemicals dosing plant, 7, pipe-line mixer, 8, iron-carbon micro-electrolysis coupling Fenton oxidation bed reactor, 9, ferrum
Carbon filler, 10, distributing water room, 11, outlet canal, 12, outlet conduit, 13, pipe-line mixer, 14, alkali liquor and PAM automatic feeding dress
Put, 15, inclined tube or swash plate, 16, sedimentation tank, 17, outlet conduit, 18, spoil disposal pipeline, 19, anoxia deep bed denitrification bio-filter
(A-DBF), 20, the denitrification biological filter bed of material, 21, anoxia deep bed denitrification bio-filter (A-DBF) water-distributing device, 22, clear water
District, 23, outlet canal, 24, outlet pipe, 25, anoxia deep bed denitrification bio-filter (A-DBF) distributing water room, 26, aerobic de-carbon nitrification
Biofilter (C/N-BAF) distributing water room, 27, aerobic de-carbon nitrification biofilter (C/N-BAF) water-distributing device, 28, highly effective air
Bubbler, 29, aerobic de-carbon nitrification biofilter (C/N-BAF), 30, de-carbon nitrification filter material layer, 31, clear water zone, 32, water outlet
Canal, 33, percolate reflux line, 34, percolate reflux pump, 35, online dissolved oxygen meter, 36, PLC, 37, control cable,
38, converter, 39, aerator, 40, air line, 41, outlet pipe, 42, intermediate pool, 43, final delivery pipe.
Detailed description of the invention
As can be seen from Figure 1, this utility model percolate advanced treatment system, by including coagulative precipitation tank, light electrolysis coupling
Close Fenton oxidation segregation apparatus, preposition biomembrane denitrogenation carbon removing device composition.
Coagulative precipitation tank includes inlet channel 1, coagulated agent throwing device 3, agitating device, coagulative precipitation tank body 2, tiltedly
Plate or inclined tube 4, outlet canal 5.
Light electrolysis coupling Fenton oxidation segregation apparatus is that light electrolysis couples Fenton oxidation bed 8, the combination in neutralization precipitation pond 16
Device.Described light electrolysis coupling Fenton oxidation bed 8 includes that hydrogen peroxide and acid chemicals dosing plant 6, pipe-line mixer 7, ferrum carbon are filled out
Material 9, distributing water room 10, outlet canal 11, outlet conduit 12；Neutralization precipitation pond includes pipe-line mixer 13, alkali liquor and PAM automatic feeding
Device 14, inclined tube or swash plate 15, outlet conduit 17, spoil disposal pipeline 18.
Preposition biomembrane denitrogenation carbon removing device includes anoxia deep bed denitrification bio-filter (A-DBF) 19, aerobic de-carbon nitre
Change biofilter (C/N-BAF) 29 and intermediate pool 42.Neutralization precipitation pond 42 bed deep with percolate reflux line 33 and anoxia is anti-
Nitrification biofilter (A-DBF) body 19 bottom connects.
Anoxia deep bed denitrification bio-filter (A-DBF) 19 includes anoxia deep bed denitrification bio-filter (A-DBF) water distribution
Room 25, anoxia deep bed denitrification bio-filter (A-DBF) water-distributing device 21, anoxia deep bed denitrification bio-filter (A-DBF) are originally
Body, the denitrification biological filter bed of material 20, clear water zone 22, outlet canal 23, outlet pipe 24.Anoxia deep bed denitrification bio-filter (A-
DBF) distributing water room 25 is arranged on anoxia deep bed denitrification bio-filter (A-DBF) body lower part, anoxia deep bed denitrification biological filter
Pond (A-DBF) water-distributing device 21 is arranged in anoxia deep bed denitrification bio-filter (A-DBF) distributing water room, denitrification biofilter material
Layer 20 is arranged on anoxia deep bed denitrification bio-filter (A-DBF) water-distributing device 21 top, and clear water zone 22 is at denitrification biological filter
The top of the bed of material 20, has outlet canal 23 in clear water zone 22, and outlet canal 23 connects aerobic de-carbon nitrification biological filter by outlet pipe
Pond (C/N-BAF) body lower part；Aerobic de-carbon nitrification biofilter (C/N-BAF) 29 includes aerobic de-carbon nitrification biofilter
(C/N-BAF) distributing water room 26, aerobic de-carbon nitrification biofilter (C/N-BAF) water distribution system 27, highly effective air bubbler 28, good
Oxygen de-carbon nitrification biofilter (C/N-BAF) body, the de-carbon nitrification biological filter bed of material 30, clear water zone 31, outlet canal 32, outlet pipe
41, the dissolved oxygen value that online dissolved oxygen meter 35 measures feeds back to PLC computer operation system 36, by PLC computer operation
System controls converter 38 and aerator 39 by controlling cable 37, and the compressed air of aerator 39 passes through air line 40 and height
The effect air diffuser 28 filter material layer oxygen supply to aerobic de-carbon nitrification biofilter (C/N-BAF), aerobic de-carbon nitrification biological filter
Pond (C/N-BAF) distributing water room 26 is arranged on aerobic de-carbon nitrification biofilter (C/N-BAF) body lower part, and aerobic de-carbon nitrification is raw
Thing filter tank (C/N-BAF) water distribution system 27 is arranged in aerobic de-carbon nitrification biofilter (C/N-BAF) distributing water room 26, de-carbon nitre
Metaplasia thing filter material layer is arranged on aerobic de-carbon nitrification biofilter (C/N-BAF) distributing water room 26 top, the nitrification biological filter bed of material 30
Top is clear water zone 31, and clear water zone 31 connects with outlet canal 32, and outlet canal connects discharge intermediate pool 42, discharge by outlet pipe
Intermediate pool 42 part water outlet is as finally discharging water outlet, and part is as the nitrification liquid of backflow.
Landfill leachate treatment step is as follows:
(1) coagulating sedimentation reaction: the major part removed in waste water by coagulative precipitation tank is suspended, the Organic substance of colloidal with
And the pollutant such as heavy metal ion and total phosphorus, according to bodied ferric sulfate or PAFC pharmaceutical quantities and pending percolate
COD mass ratio is that 2:1 ~ 1:3 adds coagulated agent to coagulating basin, adds certain flocculation aid PAM simultaneously, sink through coagulation in pond
Clarification percolate behind shallow lake enters light electrolysis coupling Fenton oxidation segregation apparatus；
Hydrogen peroxide, acid that described coagulative precipitation tank water outlet adds with adding of agent system in pipe-line mixer mix
Enter water distributing area, ferrum carbon filler layer and the clear water zone bottom light electrolysis coupling Fenton oxidation bed.
(2) light electrolysis coupling Fenton oxidation segregation apparatus reaction: light electrolysis coupling Fenton oxidation segregation apparatus is light electrolysis
Coupling Fenton oxidation bed, the combination unit in neutralization precipitation pond.Light electrolysis coupling Fenton oxidation bed in, hydrogen peroxide dosage with
The COD mass ratio of pending waste water is 1:1 ~ 3:1, and ferrum carbon filler mass ratio is 2:1 ~ 5:1, and the response time is 3 ~ 8 hours, ferrum
Carbon micro-electrolysis coupling Fenton oxidation bed water outlet enters neutralization precipitation pond；Light electrolysis coupling Fenton oxidation bed water outlet is at pipe-line mixer
In the sodium hydroxide that adds with adding of agent system, PAM be mixed into entrance neutralization precipitation pond, neutralization precipitation pond, use alkaline matter
Water outlet pH value is regulated to 7 ~ 9, and adds flocculation aid PAM according to PAM dosage with COD removal mass ratio 1:600 ~ 1:300, in
With pond water outlet again through sedimentation tank precipitation separation flco, the net of the ferric hydroxide colloid by producing in N-process is mended, adsorptive racks
The partial organic substances in waste water and the iron salt of the overwhelming majority are removed in the effect such as bridge further.Neutralization pond water outlet is again through sedimentation tank muddy water
Centrifugation is clarified further, and clarification and effluent enters in next stage biomembrane denitrogenation de-carbon system.
(3) biomembrane denitrogenation de-carbon reaction:
Preposition biomembrane denitrogenation carbon removing device is by anoxia deep bed denitrification bio-filter (A-DBF) and aerobic de-carbon nitrification
(C/N-BAF) is in series in biofilter, and reactor arranges percolate return-flow system between the two, and percolate reflux ratio is 100% ~
400%。
1. anoxia deep bed denitrification bio-filter (A-DBF) anti-nitration reaction:
It is deep that light electrolysis coupling Fenton oxidation segregation apparatus water outlet enters deep bed anoxia together with after the percolate mixing of backflow
Bed denitrification bio-filter (A-DBF), and according to COD/NOx --N mass ratio is that 3:1 ~ 5:1 adds carbon to cell body leading portion intake pool
Source, hydraulic detention time 2 ~ 6 hours, be attached to anoxia deep bed denitrification bio-filter (A-DBF) interior filling surface obligate instead
Nitrifier then utilizes remaining Organic substance and the carbon source added in former percolate as denitrifying carbon source, will come from medium sediment pool and go out
The nitrate nitrogen of the nitrification liquid of water and aerobic biofilter backflow is reduced to nitrogen, thus realizes denitrogenation and remove part in waste water
Organic purpose, anoxia deep bed denitrification bio-filter (A-DBF) water outlet enters aerobic nitrification de-carbon biofilter (C/N-
BAF)；
The most aerobic de-carbon nitrification biofilter (C/N-BAF) de-carbon nitration reaction:
When in aerobic nitrification de-carbon biofilter (C/N-BAF), dissolved oxygen is 3.5 ~ 8mg/L, apposition growth is filled out at biology
Ammonium oxidation is nitrate nitrogen by the obligate aerobic nitrification bacterium on the bed of material, the apposition growth aerobic heterotrophic bacteria on biologic packing material layer
By a small amount of remaining organic matter removal, percolate is after 4 ~ 12 hours process, through aerobic de-carbon nitrification biofilter (C/N-
BAF) the part water outlet processed is as the percolate of backflow, and part water outlet is as water outlet the most up to standard.
Biological by anoxia deep bed denitrification bio-filter (A-DBF) aerobic de-carbon nitrification biofilter (C/N-BAF)
Film removal of carbon and nitrogen device ensures the stability of whole system water outlet and reaches discharge standard.
Claims (6)
1. a percolate advanced treatment system, by coagulative precipitation tank, light electrolysis coupling Fenton oxidation segregation apparatus, preposition
Biomembrane denitrogenation carbon removing device is composed in series, it is characterised in that:
Described coagulative precipitation tank includes inlet channel, coagulated agent dosing system, agitating device, coagulative precipitation tank body, tiltedly
Plate or inclined tube, discharge pipeline, outlet canal；
Described light electrolysis coupling Fenton oxidation segregation apparatus includes that light electrolysis couples Fenton oxidation bed, neutralization precipitation pond；
Described preposition biomembrane denitrogenation carbon removing device includes anoxia deep bed denitrification bio-filter (A-DBF), aerobic de-carbon nitre
Changing biofilter (C/N-BAF) and intermediate water tank, anoxia deep bed denitrification bio-filter (A-DBF) is biological with aerobic de-carbon nitrification
(C/N-BAF) is connected in series in filter tank, arranges percolate reflux between the two.
Percolate advanced treatment system the most according to claim 1, it is characterised in that: going out of described neutralization precipitation pond
Water pipe is connected with the outlet pipe of percolate reflux bed denitrification bio-filter (A-DBF) body lower part deep with anoxia respectively.
Percolate advanced treatment system the most according to claim 1, it is characterised in that: described light electrolysis coupling sweet smell
The oxidation bed that pauses includes hydrogen peroxide and acid throwing device, pipe-line mixer, water inlet pipe, ferrum carbon filler, water distributing area, reaction tank originally
Body.
Percolate advanced treatment system the most according to claim 1, it is characterised in that: described neutralization precipitation pond is
The tube settler of dosing or inclined-plate clarifying basin.
Percolate advanced treatment system the most according to claim 1, it is characterised in that: described anoxia deep bed denitrification
Biofilter (A-DBF) includes anoxia deep bed denitrification bio-filter (A-DBF) distributing water room, anoxia deep bed denitrification bio-filter
(A-DBF) water-distributing device, anoxia deep bed denitrification bio-filter (A-DBF) body, the denitrification biological filter bed of material, clear water zone, go out
Water channel, outlet pipe；Anoxia deep bed denitrification bio-filter (A-DBF) distributing water room is arranged on anoxia deep bed denitrification bio-filter
(A-DBF) body lower part, it is biological that anoxia deep bed denitrification bio-filter (A-DBF) water-distributing device is arranged on anoxia deep bed denitrification
In filter tank (A-DBF) distributing water room, the denitrification biological filter bed of material is arranged on anoxia deep bed denitrification bio-filter (A-DBF) water distribution dress
Putting top, clear water zone, on the top of the denitrification biological filter bed of material, has outlet canal in clear water zone, and outlet canal is connected by outlet pipe
Aerobic de-carbon nitrification biofilter (C/N-BAF) body lower part.
Percolate advanced treatment system the most according to claim 1, it is characterised in that: described aerobic de-carbon nitrification is raw
Thing filter tank (C/N-BAF) includes aerobic de-carbon nitrification biofilter (C/N-BAF) distributing water room, aerobic de-carbon nitrification biofilter
(C/N-BAF) water distribution system, aerobic de-carbon nitrification biofilter (C/N-BAF) body, the nitrification biological filter bed of material, clear water zone, go out
Water channel, outlet pipe and intermediate pool, it is raw that aerobic de-carbon nitrification biofilter (C/N-BAF) distributing water room is arranged on aerobic de-carbon nitrification
Thing filter tank (C/N-BAF) body lower part, aerobic de-carbon nitrification biofilter (C/N-BAF) water-distributing device is arranged on aerobic de-carbon nitre
Changing in biofilter (C/N-BAF) distributing water room, the de-carbon nitrification biological filter bed of material is arranged on aerobic de-carbon nitrification biofilter (C/N-
BAF) distributing water room top, nitrification biological filter bed of material top is clear water zone, and clear water zone connects with outlet canal, and outlet canal passes through outlet pipe
Connecting discharge pond, discharge pool portion water outlet is as finally discharging water outlet, and part is as the nitrification liquid of backflow.
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| CN201620394712.0U CN205773891U (en) | 2016-04-29 | 2016-04-29 | A kind of system of percolate advanced treating |
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| CN201620394712.0U CN205773891U (en) | 2016-04-29 | 2016-04-29 | A kind of system of percolate advanced treating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906142A (en) * | 2016-04-29 | 2016-08-31 | 安徽华骐环保科技股份有限公司 | Garbage leachate deep treatment system and method |
| CN108706831A (en) * | 2018-06-05 | 2018-10-26 | 南京大学 | A kind of advanced treatment apparatus and technique of high concentrated organic wastewater |
| CN108996823A (en) * | 2018-08-02 | 2018-12-14 | 盐城旭恒环保科技有限公司 | A kind of casting industry wastewater treatment equipment and method |
-
2016
- 2016-04-29 CN CN201620394712.0U patent/CN205773891U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906142A (en) * | 2016-04-29 | 2016-08-31 | 安徽华骐环保科技股份有限公司 | Garbage leachate deep treatment system and method |
| CN108706831A (en) * | 2018-06-05 | 2018-10-26 | 南京大学 | A kind of advanced treatment apparatus and technique of high concentrated organic wastewater |
| CN108996823A (en) * | 2018-08-02 | 2018-12-14 | 盐城旭恒环保科技有限公司 | A kind of casting industry wastewater treatment equipment and method |
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