CN109292971A - A kind of Novel anaerobic biological treatment system and technique - Google Patents
A kind of Novel anaerobic biological treatment system and technique Download PDFInfo
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- CN109292971A CN109292971A CN201811226968.0A CN201811226968A CN109292971A CN 109292971 A CN109292971 A CN 109292971A CN 201811226968 A CN201811226968 A CN 201811226968A CN 109292971 A CN109292971 A CN 109292971A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
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Abstract
The invention discloses a kind of Novel anaerobic biological treatment system and techniques, the system includes at least two sequences being set side by side, each sequence includes several anaerobic ponds, sedimentation basin, several anaerobic ponds are sequentially connected in series, and the anaerobic pond of end is connect with sedimentation basin, the pipeline of discharge biogas is equipped at the top of the anaerobic pond and sedimentation basin, the bottom of the sedimentation basin is equipped with the receipts bucket for collecting sludge.Sequence arranged side by side, which is arranged, in the present invention to intake in turn, each anaerobic pond can independently carry out anaerobic organism reaction, by concatenated anaerobic pond, waste water is sufficiently separated into anaerobic sludge and the lower sewage of COD after repeatedly reacting, good waste water treatment effect, low cost, it is with the obvious advantage compared with traditional sludge, biogas, clear water three phase separation, while improving waste water treatment efficiency, difficulty of construction is reduced.
Description
Technical field
The invention belongs to field of waste water treatment, specifically, being related to a kind of Novel anaerobic biological treatment system and technique.
Background technique
During anaerobic bio-treated, whether up-flow anaerobic sludge reaction bed (UASB) or anaerobic grain sludge
Expanded bed (EGSB) etc. requires three casees separators, carries out the separation of sludge, biogas, clear water, and three phase separator cost is high, applies
Work difficulty is very greatly that maintenance difficulty is big, and three phase separator water outlet entrainment sludge, outlet effect are poor in operational process.
In view of this present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of Novel anaerobic biological treatment
System and technique, in order to solve the above technical problems, the present invention is using the basic conception of technical solution:
A kind of Novel anaerobic biological treatment system, the sequence being set side by side including at least two, each sequence include several
Anaerobic pond, sedimentation basin, several anaerobic ponds are sequentially connected in series, and the anaerobic pond of end is connect with sedimentation basin, the anaerobic pond and
The pipeline of discharge biogas is equipped at the top of sedimentation basin, the bottom of the sedimentation basin is equipped with the receipts bucket for collecting sludge, receives bucket
It is connect with the anaerobic pond of starting point.
Further, the anaerobic pond is equipped with feed inlet, discharge port, deflector, and feed inlet is arranged at discharge port to be detested
The top plate of the top in oxygen area, the deflector and anaerobic pond connects, and anaerobic pond is separated into the firstth area, the secondth area, the firstth area
It is connected to the bottom in the secondth area, secondth area is packing area, and filled with the composite filling containing anaerobic bacteria flora, liquid is from feed inlet
The secondth area is then passed through after into the firstth area to flow out from discharge port.
Further, the sedimentation basin is equipped with feed inlet, discharge port, deflector, and it is heavy that feed inlet is arranged at discharge port
The top plate of the top in shallow lake pond, the deflector and sedimentation basin connects, and sedimentation basin is separated into third area, the 4th area, third area
It is connected to the bottom in the 4th area, liquid enters behind third area from feed inlet to flow out through the 4th area from discharge port again.
Further, the receipts bucket is arranged in the 4th area, and receives the bottom surface that bucket is lower than sedimentation basin.
Further, the discharge port of the sedimentation basin is equipped with L-type effluent weir, and the front of the effluent weir is equipped with the floating of filtering
Mud baffle.
Further, screw pump or sludge pump are equipped in the receipts bucket, screw pump or sludge pump return the sludge of precipitating
It is transported to the anaerobic pond of starting point.
Further, the pipeline is connect with the torch of burning biogas, and water sealed tank is equipped between pipeline and torch.
Further, the composite filling is the big plastic hoop of double-round that plastic disks clinching is changed to, and by hydroformylation fiber or is washed
Synthetic fibre silk is pressed on the ring of ring, is uniformly distributed fibre bundle；Inner ring is flakes plastics branch, biofilm and can effectively be cut
Bubble is cut, the transfer rate and utilization rate of oxygen are improved；The diameter of composite filling is set according to demand, and composite filling occupies the secondth area
The 60-70% of dischargeable capacity.
Further, the sequence is two, and the anaerobic pond is 4, and the treatment time of water that stops of the anaerobic pond is 6h,
The treatment time of water that stops of sedimentation basin is 4h.
Further, the deflector includes first segment, second segment, and one end of first segment and the top plate of anaerobic pond connect,
The other end of the connection of one end of the other end and second segment, second segment extends to the secondth area or the 4th area, the first segment and second
The angle of section is 100 ° -150 °.
A kind of Novel anaerobic biological treatment, comprising the following steps:
Step 1, dirt enters the 1st anaerobic pond, carries out A processing；
Step 2, into the 2nd anaerobic pond, the 3rd the (n-1)th anaerobic pond of anaerobic pond, and A is carried out in each anaerobic pond
Processing；
Step 3, into the n-th anaerobic pond, the first area bottom through the pond flow to the secondth area, and overflows in the secondth area, with
Anaerobic bacteria flora in 2nd area sufficiently reacts, and flows into sedimentation basin from discharge port after reaction, the collecting methane after-combustion during which generated；
Step 4, into after sedimentation basin, obtaining the lower sewage of anaerobic sludge, COD, anaerobic sludge after compression, by screw rod
Pump or sludge pump are backhauled to the 1st anaerobic pond, and the lower sewage of COD carries out Aerobic biological process or discharge, the biogas during which generated
Collect after-combustion；
Wherein, A processing is-the first area bottom through the pond flow to the secondth area, and overflows in the secondth area, in the secondth area
Anaerobic bacteria flora sufficiently reacts, and flows into next anaerobic pond from discharge port after reaction, the collecting methane after-combustion during which generated.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
Sequence arranged side by side, which is arranged, in the present invention to intake in turn, and each anaerobic pond can independently carry out anaerobic organism reaction,
By concatenated anaerobic pond, waste water is sufficiently separated into anaerobic sludge and the lower sewage of COD after repeatedly reacting, at waste water
Reason effect is good, and low cost is with the obvious advantage compared with traditional sludge, biogas, clear water three phase separation, improves waste water treatment efficiency
While, reduce difficulty of construction.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
The a part of attached drawing as the application, for providing further understanding of the invention, of the invention is schematic
Examples and descriptions thereof are used to explain the present invention, but does not constitute an undue limitation on the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings:
Fig. 1 is one embodiment of the invention sequence distribution schematic diagram；
Fig. 2 is a certain sequential structure schematic diagram of one embodiment of the invention；
Fig. 3 is one embodiment of the invention process flow chart.
In figure: 11, the first anaerobic pond；12, the second anaerobic pond；13, third anaerobic pond；14, the 4th anaerobic pond；101, first
Area；102, the secondth area；103, third area；104, the 4th area；2, sedimentation basin；21, bucket is received；22, effluent weir；23, mud scum baffle；
3, pipeline；4, water sealed tank；5, torch；6, deflector；61, first segment；62, second segment；7, slope.
It should be noted that these attached drawings and verbal description are not intended to the design model limiting the invention in any way
It encloses, but illustrates idea of the invention by referring to specific embodiments for those skilled in the art.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of Novel anaerobic biological treatment system described in the present embodiment, is set side by side by two
Sequence composition, each sequence include anaerobic pond, sedimentation basin 2, and wherein anaerobic pond is 4, which is sequentially connected in series,
Respectively the first anaerobic pond 11, the second anaerobic pond 12, third anaerobic pond 13, the 4th anaerobic pond 14, the last one anaerobic pond and heavy
Shallow lake pond 2 connects, i.e., the 4th anaerobic pond 14 is connect with sedimentation basin 2, and sewage or dirt enter from the first anaerobic pond 11, and stream passes through second
Anaerobic pond 12, third anaerobic pond 13, the 4th anaerobic pond 14 reach sedimentation basin 2.Wherein, two sequences cut pulsed using motor-driven valve
Water inlet not only can be enhanced leading portion stirring, can also improve the precipitating of sedimentation basin 2 in turn to two sequence water inlets.
Specifically, each anaerobic pond is equipped with feed inlet, discharge port, deflector 6, and feed inlet is arranged at discharge port
The top of anaerobic zone, the discharge port of the first anaerobic pond 11 are docked with the feed inlet of the second anaerobic pond 12, and so on, to the last
One anaerobic pond.Deflector 6 is connect with the top plate of anaerobic pond, and anaerobic pond is separated into the first area 101, the second area 102, and first
Area 101 is connected to the bottom in the second area 102, and the second area 102 is packing area, filled with the composite filling containing anaerobic bacteria flora, sewage
Or dirt enters from the feed inlet of anaerobic pond, falls on bottom by the first area 101, flow to the second area 102 from bottom, water overflows the
Two areas 102 carry out anaerobic organism reaction to sewage by composite filling in the second area 102, sewage after reaction by the second area 102 from
Discharge port flows out anaerobic pond.Composite filling is the big plastic hoop of double-round that plastic disks clinching is changed to, by hydroformylation fiber or dacron thread
It is pressed on the ring of ring, is uniformly distributed fibre bundle；Inner ring is flakes plastics branch, biofilm and can effectively cut gas
Bubble, improves the transfer rate and utilization rate of oxygen, exchanges aqueous vapor biomembrane sufficiently, locate the organic matter in water efficiently
Reason；The diameter of composite filling is set according to demand, and composite filling occupies the 60-70% of 102 dischargeable capacity of the secondth area.
Sedimentation basin 2 also is provided with feed inlet, discharge port, deflector 6, and feed inlet is arranged at the upper of sedimentation basin 2 with discharge port
The discharge port in portion, the 4th anaerobic pond 14 is docked with the feed inlet of sedimentation basin 2, and deflector 6 is connect with the top plate of sedimentation basin 2, and will
Sedimentation basin 2 is separated into third area 103, the 4th area 104, and third area 103 is connected to the bottom in the 4th area 104, and liquid is fed from it
Mouth enters behind third area 103 to flow out through the 4th area 104 from discharge port again.
The deflector 6 that anaerobic pond, sedimentation basin 2 are arranged can be oriented to liquid, and the flow velocity to guarantee water is uniform, flows to
More stable, deflector 6 includes first segment 61, second segment 62, and the top plate of one end of first segment 61 and anaerobic pond connects, the other end with
One end of second segment 62 connects, and the other end of second segment 62 extends to the second area 102 or the 4th area 104, the first segment 61 with
The angle of second segment 62 is 100 ° -150 °, its angle is 120 ° in this example.Preferably, steady to further improve flow rate and direction
Fixed, 7,45 ° -70 ° of slope at the base angle of anaerobic pond equipped with certain angle is preferred, and is preferably arranged in outlet side corner, is avoided out
Existing dead water region, makes full use of space.
Sewage or dirt can generate biogas in anaerobic pond, the processing of sedimentation basin 2, the top of anaerobic pond and sedimentation basin 2 in this example
Portion is equipped with the pipeline 3 of discharge biogas, and pipeline 3 is connect with the torch 5 of burning biogas, and water sealed tank is equipped between pipeline 3 and torch 5
4, biogas is introduced into water sealed tank 4, then torch 5 is gone to burn, and such water sealed tank 4 can be prevented from being tempered during biogas combustion, be avoided
Cause explosion or other danger.
Sewage is handled through the tandem of 4 anaerobic ponds, is separated in 2 solid of sedimentation basin and liquid, isolate anaerobic sludge,
The lower sewage of COD.Solid is the anaerobic sludge based on anaerobic bacteria flora, than great, is deposited to pool bottom, sedimentation basin 2
Bottom is equipped with the receipts bucket 21 for collecting sludge, receives bucket 21 and is arranged in the 4th area 104, and receives bucket 21 lower than sedimentation basin 2
Bottom surface receives and is equipped with screw pump or sludge pump in bucket 21, receives bucket 21 to sludge collection, compression, through screw pump or sludge pump handle
In the sludge reflux of compression to the first anaerobic pond 11, anaerobic sludge is supplemented, while avoiding the sludge direct emission only once handled
Caused by pollute, so recycle；Liquid is the lower sewage of COD, removes subsequent Aerobic biological process, to guarantee that COD is lower
Sewage stablizes discharge, avoids the occurrence of surge, and the discharge port of sedimentation basin 2 is equipped with L-type effluent weir 22, is discharged form as zigzag water outlet
Weir 22,22 front of effluent weir are provided with mud scum baffle 23, slow down the draining flow of water.
The treatment process of the system, comprising the following steps:
Step 1, dirt enters the first anaerobic pond 11, carries out A processing；
Step 2, into the second anaerobic pond 12, third anaerobic pond 13, and A processing is carried out in each anaerobic pond；
Step 3, into the 4th anaerobic pond 14,101 bottom of the firstth area through the pond flow to the second area 102, and in the secondth area
102 overflow, and sufficiently react with the anaerobic bacteria flora in the second area 102, flow into sedimentation basin 2 from discharge port after reaction, during which generate
Collecting methane after-combustion；
Step 4, into after sedimentation basin 2, obtaining the lower sewage of anaerobic sludge, COD, anaerobic sludge after compression, by spiral shell
Bar pump or sludge pump are backhauled to the first anaerobic pond 11, and the lower sewage of COD carries out Aerobic biological process or discharge, during which generates
Collecting methane after-combustion；
Wherein, A processing is -101 bottom of the firstth area through the pond flow to the second area 102, and overflows in the second area 102, with
Anaerobic bacteria flora in second area 102 sufficiently reacts, and flows into next anaerobic pond from discharge port after reaction, the collecting methane during which generated
After-combustion.
Working principle: sewage is first into the first anaerobic pond 11, and the anaerobic sludge of sewage and reflux is mixed, and passes through
The effect of deflector 6, sewage enter the bottom of the first anaerobic pond 11, then flow bottom-up, pass through packing area.Largely
Anaerobic bacteria flora is attached to filler surface and sewage is sufficiently mixed in the form of anaerobic organism film, and it is anti-that anaerobic organism occurs
It answers, a large amount of organic matter is decomposed by anaerobic bacteria, phagocytosis and digestion, final product are biogas and water.By top discharge port into
Enter to the second anaerobic pond 12.Sewage enters the second anaerobic pond 12, and by the effect of deflector 6, sewage enters the second anaerobism
The bottom in pond 12, then flow bottom-up, packing area is passed through, sewage occurs anaerobic organism reaction in the second anaerobic pond 12, has
Machine object is further decomposed, swallows and is digested by anaerobic bacteria.Third anaerobic pond 13 and the 4th anaerobism are sequentially entered by discharge port
Pond 14.After anaerobic reaction of the sewage Jing Guo level Four, organic matter remains little, and COD is reduced very much, and anaerobic sludge and COD are lower
Sewage, formed mud mixture, enter sedimentation basin 2 together.Deflector 6 is arranged in 2 front end of sedimentation basin, and mud mixture arrives first
Pool bottom.By the effect of sedimentation basin 2, solid and liquid separation, anaerobic sludge of the solid based on anaerobic bacteria flora, specific gravity
Greatly, it is deposited to pool bottom, liquid is the lower sewage of COD, removes subsequent Aerobic biological process.2 bottom of sedimentation basin has specially
Sludge bucket is collected, sludge is compressed, screw pump or sludge pump are set in sludge reflux to the first anaerobic pond 11 after compression.
Biogas can be generated by anaerobic pond and sedimentation basin 2, the pipeline 3 that biogas passes through positioned at top is collected, gone again after first passing through water sealed tank 4
Torch 5 burns.
Handle data: conditioning tank sewage enters the first anaerobic pond 11, the COD=6500mg/L of water quality, by the first anaerobism
Anaerobic bio-treated in pond 11, water outlet COD=5800mg/L, residence time 6h；Into the second anaerobic pond 12, by second
Anaerobic bio-treated in anaerobic pond 12, water outlet COD=3800mg/L, residence time 6h；Into third anaerobic pond 13, pass through
Anaerobic bio-treated in third anaerobic pond 13, water outlet COD=2100mg/L, residence time 6h；Into the 4th anaerobic pond 14,
By anaerobic bio-treated in the 4th anaerobic pond 14, water outlet COD=960mg/L, residence time 6h；Into sedimentation basin 2, warp
Cross separation of solid and liquid, water outlet COD=760mg/L, residence time 4h.
Sequence arranged side by side, which is arranged, in the present invention to intake in turn, and each anaerobic pond can independently carry out anaerobic organism reaction,
By concatenated anaerobic pond, waste water is sufficiently separated into anaerobic sludge and the lower sewage of COD after repeatedly reacting, at waste water
Reason effect is good, and low cost is with the obvious advantage compared with traditional sludge, biogas, clear water three phase separation, improves waste water treatment efficiency
While, reduce difficulty of construction.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to
The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention
Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.
Claims (10)
1. a kind of Novel anaerobic biological treatment system, which is characterized in that the sequence being set side by side including at least two, each sequence
Including several anaerobic ponds, sedimentation basin, several anaerobic ponds are sequentially connected in series, and the anaerobic pond of end is connect with sedimentation basin, described
The pipeline of discharge biogas is equipped at the top of anaerobic pond and sedimentation basin, the bottom of the sedimentation basin is equipped with the receipts mud for collecting sludge
Bucket.
2. a kind of Novel anaerobic biological treatment system according to claim 1, which is characterized in that the anaerobic pond be equipped with into
Material mouth, discharge port, deflector, feed inlet and discharge port are arranged at the top of anaerobic zone, the top of the deflector and anaerobic pond
Plate connection, and anaerobic pond is separated into the firstth area, the secondth area, the firstth area is connected to the bottom in the secondth area, and secondth area is to fill out
Expect area, filled with the composite filling containing anaerobic bacteria flora, liquid is then passed through the secondth area from discharge port after entering the firstth area from feed inlet
Outflow.
3. a kind of Novel anaerobic biological treatment system according to claim 1, which is characterized in that the sedimentation basin be equipped with into
Material mouth, discharge port, deflector, feed inlet and discharge port are arranged at the top of sedimentation basin, the top of the deflector and sedimentation basin
Plate connection, and is separated into third area, the 4th area for sedimentation basin, and third area is connected to the bottom in the 4th area, liquid from feed inlet into
It is flowed out again through the 4th area from discharge port after entering third area.
4. a kind of Novel anaerobic biological treatment system according to claim 3, which is characterized in that the receipts bucket setting exists
In 4th area, and receive the bottom surface that bucket is lower than sedimentation basin.
5. a kind of Novel anaerobic biological treatment system according to claim 3, which is characterized in that the discharging of the sedimentation basin
Mouth is equipped with L-type effluent weir, and the front of the effluent weir is equipped with the mud scum baffle of filtering.
6. a kind of Novel anaerobic biological treatment system according to claim 1, which is characterized in that be equipped in the receipts bucket
Screw pump or sludge pump, screw pump or sludge pump backhaul the sludge of precipitating to the anaerobic pond of starting point；The pipeline and burning
The torch of biogas connects, and water sealed tank is equipped between pipeline and torch.
7. a kind of Novel anaerobic biological treatment system according to claim 2, which is characterized in that the composite filling is modeling
The big plastic hoop of double-round that material disk clinching is changed to, hydroformylation fiber or dacron thread are pressed on the ring of ring, divide fibre bundle uniformly
Cloth；Inner ring is flakes plastics branch, biofilm and can effectively cut bubble, improve the transfer rate and utilization rate of oxygen；Group
The diameter for closing filler is set according to demand, and composite filling occupies the 60-70% of second area's dischargeable capacity.
8. a kind of Novel anaerobic biological treatment system according to claim 1, which is characterized in that the sequence is two,
The anaerobic pond is 4, and the treatment time of water that stops of the anaerobic pond is 6h, and the treatment time of water that stops of sedimentation basin is 4h.
9. a kind of Novel anaerobic biological treatment system according to claim 2 or 3, which is characterized in that the deflector packet
First segment, second segment are included, one end of first segment and the top plate of anaerobic pond connect, and one end of the other end and second segment connects, and second
The other end of section extends to the secondth area or the 4th area, and the angle of the first segment and second segment is 100 ° -150 °.
10. a kind of Novel anaerobic biological treatment, which comprises the following steps:
Step 1, dirt enters the 1st anaerobic pond, carries out A processing；
Step 2, into the 2nd anaerobic pond, the 3rd the (n-1)th anaerobic pond of anaerobic pond, and A processing is carried out in each anaerobic pond；
Step 3, into the n-th anaerobic pond, the first area bottom through the pond flow to the secondth area, and overflows in the secondth area, with the secondth area
Interior anaerobic bacteria flora sufficiently reacts, and flows into sedimentation basin from discharge port after reaction, the collecting methane after-combustion during which generated；
Step 4, into after sedimentation basin, obtaining the lower sewage of anaerobic sludge, COD, anaerobic sludge after compression, by screw pump or
Sludge pump is backhauled to the 1st anaerobic pond, and the lower sewage of COD carries out Aerobic biological process or discharge, the collecting methane during which generated
After-combustion；
Wherein, A processing is-the first area bottom through the pond flow to the secondth area, and overflows in the secondth area, with the anaerobism in the secondth area
Flora sufficiently reacts, and flows into next anaerobic pond from discharge port after reaction, the collecting methane after-combustion during which generated.
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Application publication date: 20190201 |
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