CN205773908U - A kind of paper waste reclaiming system - Google Patents
A kind of paper waste reclaiming system Download PDFInfo
- Publication number
- CN205773908U CN205773908U CN201620480929.3U CN201620480929U CN205773908U CN 205773908 U CN205773908 U CN 205773908U CN 201620480929 U CN201620480929 U CN 201620480929U CN 205773908 U CN205773908 U CN 205773908U
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- Prior art keywords
- paper waste
- water
- reclaiming system
- inlet end
- regulating reservoir
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Abstract
The utility model discloses a kind of paper waste reclaiming system, including regulating reservoir, coagulative precipitation tank, UASB reactor, MBR membrane bioreactor, Super RO film device, sludge concentration tank, sludge filter press；Paper waste enters described regulating reservoir by the first water inlet end, described first water side connects with described second water inlet end, described second water side connects with the 3rd water inlet end, described 3rd water side connects with described 4th water inlet end, described 4th water side connects with described 5th water inlet end, and the described 5th produces water water side and pipeline communication.This utility model improves tradition paper waste reclaiming system, improves the anti-load impact ability of system, stable effluent quality；System automation degree is high, it is easy to manages and maintains easily；System and arranging thing quantity is few, saves system Construction cost, reduces system footprint area.
Description
Technical field
This utility model belongs to pulping wastewater treatment technical field.
Background technology
Along with yield and the increase of consumption of paper, paper industry water consumption and wastewater discharge are also
Increase therewith.Worldwide, paper industry water pollution control has become as paper industry and is
The focus paid close attention to entire society, is also the key of paper industry survival and development.Paper industry is
One of industry that investment is big, energy consumption is high, environmental pollution is serious, its features of pollution is waste water row
High-volume big, COD height, in waste water, fibre suspension is many.
Waste water of paper mill processes based on biological treatment at present, uses biology aerobic two stage treatment,
BOD and SS can be made to obtain clearance and to reach more than 95%, but the clearance of biological treatment COD
General about 60%, if up to standard needs of COD carries out tertiary treatment so that it is water quality reaches to want
Ask.In paper waste, dissolved organic matter content is high, and organic aerobic biodegradation will result in system
Oxygen is not enough, and organic loading rate is low, malnutrition, easily causes sludge bulking, easily leads
Cause system treatment effect declines, and effluent quality is unstable；And activated sludge performance and effluent quality
Influence factor more, system treatment effect is difficult to control to.
Utility model content
The purpose that this utility model is to be realized is the deficiency existed for prior art, it is provided that a kind of
Paper waste reclaiming system.
To achieve these goals, the technical solution adopted in the utility model is:
Paper waste reclaiming system includes: regulating reservoir, coagulative precipitation tank, UASB reactor (Up-
Flow Anaerobic Sludge Bed/Blanket, upflow anaerobic sludge blanket reactor),
MBR membrane bioreactor (Membrane Bio-Reactor, membrane bioreactor), Super
RO film device (super reverse osmosis, extraordinary reverse osmosis), sludge concentration tank, dirt
Mud pressure filter；Paper waste enters described regulating reservoir by the first water inlet end of regulating reservoir, described
Regulating reservoir the first water side connects with described coagulative precipitation tank the second water inlet end, described coagulating sedimentation
The second water side, pond connects with described UASB reactor the 3rd water inlet end, described UASB reactor
3rd water side connects with described MBR membrane bioreactor the 4th water inlet end, and described MBR film is raw
Thing reactor the 4th water side connects with described Super RO film device the 5th water inlet end, described
Super RO film device the 5th produces water water side and pipeline communication.
Further, described paper waste reclaiming system also includes soda acid tank, with described regulating reservoir
Connection.
Further, described regulating reservoir is additionally provided with impeller, for regulating described paper waste
Water quality and quantity.
Further, it is provided with return duct between described UASB reactor and MBR membrane bioreactor
Road.
Further, the 5th dense water water side of described Super RO film device is provided with regulating reservoir
Reflux line.
Further, described paper waste reclaiming system also includes biogas cabinet, anti-with described UASB
Answer device to connect, be used for collecting biogas.
Further, described sludge concentration tank and described coagulative precipitation tank, UASB reactor, MBR
Membrane bioreactor passes through pipeline communication.
Further, the filtrate of described sludge concentration tank and sludge filter press is returned by reflux line
It flow to described regulating reservoir.
Further, described paper waste reclaiming system also includes sludge pump, described coagulating sedimentation
Pond, UASB reactor and MBR membrane bioreactor at least one of which pass through mud described in passing through
Pump is connected with described sludge concentration tank.
Compared with prior art, membrane technology is combined by this utility model with biologic treating technique, carries
High system treatment effect, has stable effluent quality；System automation degree is high, it is easy to pipe
Reason and maintenance；Reduce the structures of described paper waste reclaiming system, reducing the construction costs, be
System floor space is less.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art,
Below by the accompanying drawing used required in embodiment or description of the prior art is briefly described, aobvious
And easy insight, the accompanying drawing in describing below is only embodiments more of the present utility model, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of paper waste reclaiming system described in the utility model；
Fig. 2 is paper waste recovering process flow figure described in the utility model；
Fig. 3 is tradition paper waste recovering process flow figure；
Reference is: 1-regulating reservoir；101-the first water inlet end；102-the first water side；2-
Coagulative precipitation tank；201-the second water inlet end；202 second water sides；3-UASB reactor；301-
3rd water inlet end；302-the 3rd water side；4-MBR membrane bioreactor；401-the 4th is intake
End；402-the 4th water side；5-Super RO film device；501-the 5th water inlet end；502-
5th dense water water side；503-the 5th produces water water side；6-sludge concentration tank；7-sludge press filtration
Machine；8-grug feeding jar；9-biogas cabinet；10-soda acid tank.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below
Will be in conjunction with this utility model embodiment and accompanying drawing, to the technical scheme in this utility model embodiment
It is clearly and completely described.It should be noted that described embodiment is only this reality
By novel a part of embodiment rather than whole embodiments.Based on the reality in this utility model
Execute example, the institute that those of ordinary skill in the art are obtained under not paying creative work premise
There are other embodiments, broadly fall into the scope of this utility model protection.
Detailed description of the invention of the present utility model is described below in conjunction with the accompanying drawings.
As it is shown in figure 1, paper waste reclaiming system includes: regulating reservoir 1, coagulative precipitation tank 2,
UASB reactor 3, MBR membrane bioreactor 4, Super RO film device 5, sludge concentration tank
6, sludge filter press 7；Described first water side 102 connects with described second water inlet end 201,
Described second water side 202 connects with the 3rd water inlet end 301, described 3rd water side 302 with
Described 4th water inlet end 401 connects, described 4th water side 402 and described 5th water inlet end 501
Connection, the described 5th produces water water side 503 and pipeline communication.Described UASB reactor 3, MBR
Membrane bioreactor 4, Super RO film device 5 all can pass through programme-control, system automation
Degree is high, it is easy to manages and safeguards.
As preferably, described paper waste reclaiming system also includes soda acid tank 10, with described regulation
Pond 1 connects, and by programme-control, adds bronsted lowry acids and bases bronsted lowry to described regulating reservoir 1, makes described in regulation
The pH of paper waste water.Described regulating reservoir is additionally provided with impeller, for equalizing the water of described paper waste
The matter water yield.
Described paper waste reclaiming system also includes grug feeding jar 8, by described coagulative precipitation tank 2
Adding flocculant and produce precipitation, described flocculant includes but not limited to PB1 gene, gathers
Acrylamide PAM, produced precipitation drains into described sludge condensation 6, described coagulation by pipeline
The product water of sedimentation tank 2 flow to described UASB reactor 3.
In described UASB reactor 3, paper waste carries out mixing and contacts with mud, and papermaking is given up
Organic substance in water is formed methane by the microbial decomposition in mud, and mud then occurs flocculation to sink
Forming sediment, water is then discharged from described 3rd water side 302.As preferably, described paper waste reuse
System also includes biogas cabinet 9, is used for collecting biogas produced by described UASB.
The product water of described UASB reactor 3 flow to described MBR membrane biological reaction apparatus 4, described
MBR membrane biological reaction apparatus 4 utilizes the organic contamination in paper waste described in aerobic biodegradation
Thing, combines membrane technology and dirty water living creature processing technique, enhances the function of bioreactor,
Compared with traditional bioremediation, MBR membrane biological reaction apparatus 4 biochemical efficiency is high, go out
Water water quality is not by external environment and sewage composition influence, and anti-load impact ability is strong, water outlet water
Matter is stable；And MBR membrane biological reaction apparatus 4 floor space is little, sludge discharging period is long, can realize
Automatically control.As preferably, described MBR membrane biological reaction apparatus 4 and UASB reactor 3 it
Between be additionally provided with return-flow catheter, by part sludge reflux in MBR membrane biological reaction apparatus 4 to the most described
In UASB reactor 3, increase the Anaerobe in described UASB reactor 3, strengthen described
The anaerobic reaction occurred in UASB reactor 3.
In described coagulative precipitation tank 2 and UASB reactor 3, MBR membrane biological reaction apparatus 4
At least one is connected with described sludge concentration tank 6 by sludge pump, is collected in described coagulation and sinks
Pond, shallow lake 2, MBR membrane biological reaction apparatus 4 precipitation produced with UASB reactor 3.Described
Sludge filter press 7 connects with sludge concentration tank 6, outside the residue that described sludge filter press 7 produces
Fortune processes, and filtrate produced by described sludge filter press 7 and sludge concentration tank 6 passes through return duct
Road is back to described regulating reservoir 1.
Described MBR membrane biological reaction apparatus water side 402 and described Super RO film device 5 the
Five water inlet ends 501 connect.Described Super RO film device 5 there is the 5th water inlet end 501,
5th produces water water side 503, the 5th dense water water side 502, is arranged at described Super RO
The top of film device 5, conveniently fetches water, overhauls and safeguards.Described 5th dense water water side 502
And it is additionally provided with return duct between regulating reservoir 1, the dense water produced at Super RO film device 1 is returned
It flow to regulating reservoir；Described 5th produces water water side 503 and pipeline flow, as system water secondary
Utilize.The film that described Super RO film device 5 is used compared with general RO reverse osmosis membrane,
Stratum disjunctum is thicker, and hydrophilic is more preferable, and membrane flux is big, smooth surface, surface potential close to zero,
Reducing the microorganism absorption on film surface such as antibacterial, service life is longer, and the effect of reverse osmosis is more
Good.
Described UASB reactor 3, MBR membrane bioreactor 4, Super RO film device 5 are equal
Programme-control can be passed through, improve system automation degree, it is simple to manage and safeguard, and non-structure
Building thing, decrease system and arranging thing quantity, save system Construction cost, the system of reducing accounts for
Ground area.
It is illustrated in figure 2 the technological process of paper waste reclaiming system described in the utility model, bag
Include following steps:
S1. by 100m3/ d paper waste sends into regulating reservoir, and wherein COD concentration is 12000mg/L,
SS concentration is 150mg/L；It is sufficiently mixed to equalize the water yield by pushing flow mixer
Water quality；By on-line monitoring PH device, dosing (acid or alkali) regulation PH is to neutral；
S2. the described paper waste after step S1 processes is introduced in coagulative precipitation tank, pass through
Add in medicament and coagulation reaction tank and carry out coagulating under machine mixer effect, go out after precipitation
Flowing water enters the total outlet of factory；It is 50% by the paper waste COD clearance of coagulative precipitation tank；
Right
S3. the paper waste after S2 processes is introduced UASB reactor, wherein produced dirty
Mud enters sludge concentration tank；It is 40% by the paper waste COD clearance of UASB reactor；
S4. the product water in S3 is introduced MBR membrane bioreactor, by MBR membrane bioreaction
The paper waste COD clearance answering device is 90%, and the clearance of SS is 80%；
S5. the product water in S4 is introduced through Super RO film device, anti-through Super RO
Permeable membrane device filters, and the dense water of generation is back to the papermaking of described regulating reservoir through reflux line
Waste water COD clearance is 90%；Clearance to SS is 99%；
S6. sludge concentration tank will coagulative precipitation tank, UASB reactor, MBR membrane bioreactor,
In Super RO film device, produced mud concentrates further, reflowable to the described regulation of filtrate
Pond, the mud input sludge filter press after concentration processes；
The most described sludge filter press carries out processed to the mud after concentrating, and filtrate is back to institute
State regulating reservoir, the residue outward transport of generation.
It is illustrated in figure 3 tradition paper waste reuse technology, comprises the following steps
S1 '. by 100m3/ d paper waste sends into regulating reservoir, and wherein COD concentration is 10000mg/L,
SS concentration is 800mg/L；Blender is sufficiently mixed to equalize water quantity and quality；
S2 '. paper waste is sent into mixed reaction pond, by machine in dosing coagulant and reaction tank
Coagulation reflection is carried out under tool blender effect；Removed by the paper waste COD of mixed reaction pond
Rate is 50%；Clearance to SS is 75%；
S3 '. preliminary sedimentation tank will be introduced through the paper waste after S2 ' processes, with gravitational settling side
Formula, removes SS in waste water；Clearance through the paper waste SS of preliminary sedimentation tank process is 35%；
S4 '. A/A/O pond will be entered through the paper waste cooling after S3 ' processes, removes
Most BOD and COD；Paper waste COD clearance through A/A/O operation is 95%；
S5 '. second pond will be introduced through the water outlet of S4 ', separate the activated sludge in water outlet,
The mud formed sends into sludge concentration tank, and partial sludge is back to A/A/O pond by return duct；
Clearance through the paper waste SS of second pond process is 40%；
S6 '. the product water input quartz filter that S5 ' is formed, remove the float produced in water
And colloidal substance, reduce the turbidity of filtrate；Go through the paper waste COD of quartz filter
Except rate is 55%, the clearance of SS is 60%；
S7 '. the product water of S6 ' is introduced active carbon filter, reduce further water body turbidity,
Colourity, purifies water, and reaches system reuse standard；By the paper waste of active carbon filter
COD clearance is 60%, and the clearance to SS is 75%；
S9 '. the mud that will be formed in mixed reaction pond, preliminary sedimentation tank, A/A/O pond, second pond
Concentrate further, reflowable to the described regulating reservoir of filtrate, the mud input sludge press filtration after concentration
Machine processes；
S10 '. described sludge filter press carries out processed to the mud after concentrating, and filtrate is refluxed
To described regulating reservoir, the residue outward transport of generation.
Contrast by this utility model Yu traditional handicraft, it is thus achieved that effluent quality test rating such as
Shown in table 1:
Table 1: effluent quality test rating table
As can be seen from Table 1, the product water of this utility model and traditional handicraft has all reached reuse mark
Standard, this utility model produces water COD concentration and ss concentration is below traditional handicraft, this practicality
The technological process of novel described paper waste reclaiming system is simpler, and system treatment effect is more
Good.
Paper waste reclaiming system described in the utility model utilizes membrane technology to combine biological treatment skill
Art, replaces traditional biological processing method, and anti-load impact ability is strong, can obtain stable water outlet
Water quality；System automation degree is high, it is easy to manages and safeguards；System footprint area is little, system
Structures quantity is few, saves system Construction cost, reduces system footprint area.
Claims (9)
1. a paper waste reclaiming system, it is characterised in that including: regulating reservoir, coagulation are heavy
Pond, shallow lake, UASB reactor, MBR membrane bioreactor, Super RO film device, sludge condensation
Pond, sludge filter press；Paper waste enters described regulating reservoir by the first water inlet end of regulating reservoir,
Described regulating reservoir the first water side connects with described coagulative precipitation tank the second water inlet end, described coagulation
Sedimentation tank the second water side connects with described UASB reactor the 3rd water inlet end, and described UASB is anti-
Device the 3rd water side is answered to connect with described MBR membrane bioreactor the 4th water inlet end, described MBR
Membrane bioreactor the 4th water side connects with described Super RO film device the 5th water inlet end, institute
State Super RO film device the 5th and produce water water side and pipeline communication.
Paper waste reclaiming system the most according to claim 1, it is characterised in that described
Paper waste reclaiming system also includes soda acid tank, connects with described regulating reservoir.
Paper waste reclaiming system the most according to claim 2, it is characterised in that described
Regulating reservoir is additionally provided with impeller, for regulating the water quality and quantity of described paper waste.
Paper waste reclaiming system the most according to claim 3, it is characterised in that described
It is provided with reflux line between UASB reactor and MBR membrane bioreactor.
Paper waste reclaiming system the most according to claim 4, it is characterised in that described
5th dense water water side of Super RO film device and described regulating reservoir are provided with reflux line.
Paper waste reclaiming system the most according to claim 5, it is characterised in that described
Paper waste reclaiming system also includes biogas cabinet, connects with described UASB reactor, is used for collecting
Biogas.
Paper waste reclaiming system the most according to claim 6, it is characterised in that described
Sludge concentration tank passes through with described coagulative precipitation tank, UASB reactor, MBR membrane bioreactor
Pipeline communication.
Paper waste reclaiming system the most according to claim 7, it is characterised in that described
The filtrate of sludge concentration tank and sludge filter press is back to described regulating reservoir by reflux line.
Paper waste reclaiming system the most according to claim 8, it is characterised in that described
Paper waste reclaiming system also includes sludge pump, described coagulative precipitation tank, UASB reactor and MBR
Membrane bioreactor at least one of which by described by sludge pump and described sludge concentration tank phase
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620480929.3U CN205773908U (en) | 2016-05-23 | 2016-05-23 | A kind of paper waste reclaiming system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620480929.3U CN205773908U (en) | 2016-05-23 | 2016-05-23 | A kind of paper waste reclaiming system |
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| Publication Number | Publication Date |
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| CN205773908U true CN205773908U (en) | 2016-12-07 |
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| CN201620480929.3U Expired - Fee Related CN205773908U (en) | 2016-05-23 | 2016-05-23 | A kind of paper waste reclaiming system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045191A (en) * | 2016-05-23 | 2016-10-26 | 广东全务环保科技有限公司 | System and process for recycling papermaking wastewater |
-
2016
- 2016-05-23 CN CN201620480929.3U patent/CN205773908U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045191A (en) * | 2016-05-23 | 2016-10-26 | 广东全务环保科技有限公司 | System and process for recycling papermaking wastewater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200523 |