CN207671883U - A kind of papermaking wastewater processing system - Google Patents
A kind of papermaking wastewater processing system Download PDFInfo
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- CN207671883U CN207671883U CN201721740955.6U CN201721740955U CN207671883U CN 207671883 U CN207671883 U CN 207671883U CN 201721740955 U CN201721740955 U CN 201721740955U CN 207671883 U CN207671883 U CN 207671883U
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Abstract
The utility model provides a kind of papermaking wastewater processing system, including physical processing system comprising filter device, high-efficient shallow air flotation machine, aeration tank and the primary sedimentation tank being sequentially connected；Biological treatment system comprising anaerobic reactor, oxidation ditch, secondary settling tank and the coagulation reaction tank being sequentially connected, coagulation reaction tank are connected with recovery pond simultaneously；Sludge treating system comprising the concentration basin for collecting the sludge being precipitated in each pond and the compressor for sludge to be carried out to compression processing；And control system, its first video and photo acquisition device, the first water quality detector and the first gas sensor and the first controller for being used for and controlling physical processing system operation further include the second video and photo acquisition device, the second water quality detector and the second gas sensor and the second controller for controlling biological treatment system operation.The papermaking wastewater processing system of the utility model can carry out papermaking wastewater high-precision, and efficient processing is simultaneously recycled.
Description
Technical field
The utility model is related to field of waste liquid treatment, more particularly to a kind of papermaking wastewater processing system.
Background technology
Basic industry one of of the papermaking as national economy, development degree embody the hair of social civilization and economic construction
Exhibition.Its product is primarily as the basic raw material of other industries, and therefore, the production of paper and cardboard, the level of consumption have become weighing apparatus
Measure the one of the important signs that of a national economic development level and social progress.Paper as the necessity in people's daily life,
It is increasing along with its consumption, a large amount of papermaking enterprise development is promoted, the waste liquid generated is also brought to water environment
Serious pollution.The waste liquid discharging amount of papermaking enterprise in 2008 has been more than 4,000,000,000 tons, and the industrial wastes in occupation of 19.2% is always arranged
High-volume.Although paper industry plays a very important role in industrial economy, development the case where can represent entire industry
State of development, but the environmental problem brought therewith is also increasingly taken seriously.
Paper industry quantity of wastewater effluent accounts for about national total amount of sewage discharge first, reaches 10% to 12%.Paper industry
Pollutant it is high it is low with paper-making industry concentration degree, small paper mill is on the high side, production technology backwardness etc. is related.Since the papermaking in China is looked forward to
Industry is mostly middle and small scale, this, which has resulted in it, does not have economic capability to go to give up using relatively advanced technology and equipment process for producing
Liquid；Cause water pollution control fund input relatively low.In addition most industrial enterprise is reluctant that more fund improvement is spent to be produced
Raw pollution, which results in the pollutions of domestic papermaking enterprise to be significantly larger than foreign countries.The waste liquid that paper industry generates is a kind of tight
The industrial pollution source of weight.Waste liquid caused by some papermaking enterprises is only reached by simple standing sedimentation without others purification
The directly outer row of mark processing, not only seriously polluted water source while causing the wasting of resources.With the rapid development of paper industry, make
Paper waste liquid has become one of the key industry pollution sources of pollution and welding.Especially China paper mill mostly uses greatly alkaline process
Slurrying, 1 ton of paper stock of production will produce 10 tons of papermaking wastewaters, contain a large amount of SS, COD, BOD in waste liquid.From the point of view of environmental protection, such as
Fruit is not handled waste liquid, and the serious polluted water resources of meeting bring huge harm to paper plant's periphery people's health, can also cause
The serious waste of resource.Consider from the energy, resource, Recycling of waste liquid, which is pocessed, may be implemented resource secondary utilization, turn waste into wealth
It is significant.So devil liquor recovery is both the inexorable trend that maximum economic interests are chased in environmentally friendly requirement and enterprise itself.
Currently, the papermaking wastewater treatment technology in China also much can not meet the development of enterprise, relevant technology is ground
It returns and is in the primary stage.Continuous improvement with country to all types of industries discharging of waste liquid standard is sought a kind of rationally effectively to make
Paper liquid waste treatment system shows more and more important.
Utility model content
Problem to be solved in the utility model, which is to provide one kind, can carry out papermaking wastewater high-precision, efficient
Handle the papermaking wastewater processing system of recycling.
To solve the above-mentioned problems, the utility model provides a kind of papermaking wastewater processing system, including：
Physical processing system comprising efficient shallow for filtering the filter device of waste liquid, being connected with the filter device
Layer air floatation machine, the aeration tank being connected with the high-efficient shallow air flotation machine and the primary sedimentation tank being connected with the aeration tank；
Biological treatment system comprising the anaerobic reactor that is connected with the primary sedimentation tank is connected with the anaerobic reactor
Oxidation ditch, the secondary settling tank being connected with the oxidation ditch and the coagulation reaction tank being connected with the secondary settling tank, the coagulation it is anti-
Pond is answered to be connected simultaneously with the recovery pond for the waste liquid after recovery processing；
Sludge treating system comprising be connected for collecting each pond with the primary sedimentation tank, secondary settling tank and coagulation reaction tank
The sludge of middle precipitation and concentration basin that sludge is concentrated and for the sludge in the concentration basin to be carried out compression processing
Compressor；And
Control system comprising be respectively arranged in the filter device, high-efficient shallow air flotation machine, aeration tank and primary sedimentation tank
The first video and photo acquisition device, the first water quality detector and the first gas sensor and for according to first video
And the information that obtains of photo acquisition device, the first water quality detector and the first gas sensor and control the physical processing system fortune
The first capable controller further includes be respectively arranged in the anaerobic reactor, oxidation ditch, secondary settling tank and coagulation reaction tank
Two videos and photo acquisition device, the second water quality detector and the second gas sensor and for according to second video and photograph
Information that piece collector, the second water quality detector and the second gas sensor obtain and control the biological treatment system operation
Second controller.
Preferably, video and photo that first controller is obtained according to first video and photo acquisition device are believed
The water quality information that breath, the first water quality detector obtain controls the filter device and high-efficient shallow air flotation machine to the waste liquid
The aeration tank and primary sedimentation tank are sequentially entered again after carrying out multiple circular treatment, and obtained according to first gas sensor
The composition information of the gas generated during to liquid waste processing controls the oxygenation capacity of the aerator in the aeration tank；
Video and photographic intelligence that the second controller is obtained according to second video and photo acquisition device, described the
What the water quality information and second gas sensor that two water quality detectors obtain obtained produces during to liquid waste processing
The composition information of raw gas controls the anaerobic reactor, oxidation ditch, secondary settling tank and coagulation reaction tank to just sinking from described
The waste liquid of pond discharge carries out multiple circular treatment.
Preferably, having in first controller for the first video described in record storage and photo acquisition device, the
The processing that the information and first controller that one water quality detector, the first gas sensor obtain are exported according to each information
First data storage of information；
Have in the second controller for the second video and photo acquisition device described in record storage, the detection of the second water quality
The second of the processing information that the information and the second controller that device, the second gas sensor obtain are exported according to each information
Data storage.
Preferably, filter device, high-efficient shallow air flotation machine, anaerobic reactor are equipped with solar electric power supply system.
Preferably, the biological treatment system further includes being used for institute between the primary sedimentation tank and anaerobic reactor
State the circulatory pool that the waste liquid in primary sedimentation tank and anaerobic reactor flows back.
Preferably, the filter device includes sequentially connected filter screen, filter-press and continuous discharging slag centrifugation
Machine, the continuous discharging slag centrifuge are connected with the high-efficient shallow air flotation machine.
Preferably, the quick device for phase saparation of Microsecond grade and release are equipped in the high-efficient shallow air flotation machine, it is described micro-
The second quick device for phase saparation of grade is for detaching the water and air molecule in waste liquid and making the air molecule isolated with electricity
Lotus, the release are used to spray the air molecule with charge into waste liquid.
Preferably, the anaerobic reactor, which is two-stage, detaches internal-circulation anaerobic reactor.
Preferably, the papermaking wastewater processing system further includes being connected for recycling organic gas with the anaerobic reactor
The gas concentration unit of body.
Preferably, equipped with good in the oxidation ditch to enhance for carrying out aeration dissolved oxygen to waste liquid in the oxidation ditch
Multiple inverted umbrella surface aerating machines of the oxygen biology to the treatment effect of the waste liquid.
Preferably, the coagulation reaction tank includes that mechanical mixture that is being sequentially communicated and being square pond, machinery are anti-
Ying Chi and horizontal sedimentation tank；The mechanical mixture pond is used for waste liquid and the coagulant being invested in the waste liquid, chlorine dioxide
It is mixed by churned mechanically mode；Have for spraying flocculant and water purification agent into pond in the automatic reaction pond
Medicament ejector；The horizontal sedimentation tank includes upper and lower structure on two sides, wherein upper layer is for sinking the sludge in waste liquid
Drop, lower layer are used to collect the sludge after sedimentation, and the bottom of the horizontal sedimentation tank is equipped with water distributor, and top is equipped with for that will handle
Waste liquid afterwards imports the drainpipe of the recovery pond.
The advantageous effect of the papermaking wastewater processing system of the utility model is that it is possible to carry out high-precision to papermaking wastewater,
Efficient processing is simultaneously recycled, and each equipment of participation liquid waste processing is all made of solar electric power supply system and is powered, and drops
Low energy consumption, it is more energy saving, it is also more environmentally friendly.
Description of the drawings
Fig. 1 is the structural schematic diagram of the papermaking wastewater processing system in the present embodiment.
Specific implementation mode
The utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, the utility model provides a kind of papermaking wastewater processing system, including：
Physical processing system comprising for the filter device for filtering waste liquid, the efficient shallow gas being connected with filter device
Floating machine, the aeration tank being connected with high-efficient shallow air flotation machine and the primary sedimentation tank being connected with aeration tank, when waste liquid is after primary sedimentation tank
Indissoluble object and the sludge in waste liquid can be settled；
Biological treatment system comprising the anaerobic reactor that is connected with primary sedimentation tank, the oxidation ditch being connected with anaerobic reactor,
The secondary settling tank being connected with oxidation ditch and the coagulation reaction tank being connected with secondary settling tank, the coagulation reaction tank simultaneously with for recycling at
The recovery pond of waste liquid after reason is connected, and sediment, the floccule in waste liquid wherein can be settled in secondary settling tank and coagulation reaction tank
And sludge；
Sludge treating system comprising be connected simultaneously for collecting each pond with primary sedimentation tank, secondary settling tank and coagulation reaction tank
Middle sludge be precipitated and the concentration basin that sludge is concentrated and the pressure for the sludge in concentration basin to be carried out to compression processing
Contracting machine；And
Control system comprising be respectively arranged in filter device, high-efficient shallow air flotation machine, aeration tank and primary sedimentation tank
One video and photo acquisition device, the first water quality detector and the first gas sensor and for being adopted according to the first video and photo
Information that storage, the first water quality detector and the first gas sensor obtain and the first control for controlling physical processing system operation
Device further includes the second video and photo acquisition being respectively arranged in anaerobic reactor, oxidation ditch, secondary settling tank and coagulation reaction tank
Device, the second water quality detector and the second gas sensor and for being visited according to the second video and photo acquisition device, the second water quality
It surveys the information that device and the second gas sensor obtain and controls the second controller that biological treatment system is run.It is, useless
When liquid passes through physical processing system and biological treatment system successively, staff can be according to the first controller and second controller point
Other physical treatment course and biological treatment process to waste liquid is individually controlled, reach more rapidly directly to waste liquid everywhere in
It manages link and carries out independent regulation and control, improve treatment effeciency and treatment effect to waste liquid.
Further, in this embodiment the first controller video and photograph that are obtained according to the first video and photo acquisition device
The water quality information control filter device and high-efficient shallow air flotation machine that piece information, the first water quality detector obtain carry out waste liquid multiple
Aeration tank and primary sedimentation tank are sequentially entered after circular treatment again, such as when the first controller is believed according to video and photographic intelligence, water quality
Breath can in the effect of settling and primary sedimentation tank of indissoluble object in filter device, high-efficient shallow air flotation machine and primary sedimentation tank sludge it is heavy
Drop effect is judged, determines whether to need to carry out physical treatment again to waste liquid；First controller can also be according to first
Gas sensor obtain to liquid waste processing during generate gas composition information control aeration tank in aerator
Oxygenation capacity, such as when the first controller detects that the oxygen content in waste liquid is less by gas sensor, in order to make to give up
A large amount of electrification bubbles are generated in liquid and reach purifying water effect to adsorb the suspended matter in waste liquid, can increase aerator in aeration tank
Oxygenation capacity, make its a large amount of oxygen of spray feed into waste liquid, conversely, can then reduce oxygenation capacity.
Video and photographic intelligence that second controller in the present embodiment is obtained according to the second video and photo acquisition device, the
What the water quality information and the second gas sensor that two water quality detectors obtain obtained generates during to liquid waste processing
The composition information control anaerobic reactor of gas, oxidation ditch, secondary settling tank and coagulation reaction tank are to the waste liquid that is discharged from primary sedimentation tank
Carry out multiple circular treatment.Furthermore, it is possible to according to video and photographic intelligence, water quality information to the anaerobic bacteria in anaerobic reactor
Activity judged, it is determined whether need to increase the quantity of anaerobic bacteria or whether need to launch nutriment, such as throw
Add diammonium hydrogen phosphate and urea etc., or increases granule sludge, that is, the cultivation carrier for increasing anaerobic bacteria, it is more to cultivate
Anaerobic bacteria.It can also judge the effect of settling of sludge and indissoluble object in waste liquid according to video and photographic intelligence, water quality information, from
And judge whether to need to increase in coagulating basin the dosage etc. of flocculant and water purification agent.
Preferably, in order to record the data parameters of each processing links and the first controller root in always waste treatment process
According to the processing that the data parameters are done, namely the processing information that is exported, to provide reference for follow-up liquid waste processing, while conveniently
Staff's later stage inquires, and the control system in the present embodiment also has the first data storage and the second data storage,
In, the first data storage is passed for the first video of record storage and photo acquisition device, the first water quality detector and the first air-sensitive
The information and the first controller that sensor obtains are characterize how that control physical processing system is run according to what above- mentioned information was made
Processing information.Second data storage is for the second video of record storage and photo acquisition device, the second water quality detector and the
The information and second controller that two gas sensors obtain are characterize how control biological treatment according to what above- mentioned information was made
The processing information of system operation.Wherein, the first data storage is connected with the first controller, the second data storage and the second control
Device processed is connected, in this way, each controller can be by looking into when controlling each processing system in corresponding data storage
It looks for the information with the information match currently obtained come the processing information before transferring, and can manage at information according to this
Reason；When finding with multiple match informations, corresponding processing information can be preferentially transferred, such as can be according to treated waste liquid
Every data parameters judge that the treatment effect reached after application which item processing information is best, just transfer processing information work
The processing information of device final output in order to control improves treatment effeciency.
Further, in this embodiment filter device, high-efficient shallow air flotation machine, anaerobic reactor be equipped with solar energy confession
Electric system is powered that is, it is all made of solar powered mode, reduces energy consumption, and very environmentally friendly.
Further, in this embodiment filter device include sequentially connected filter screen, filter-press and continuous
Deslagging centrifuge, continuous discharging slag centrifuge are also connected with high-efficient shallow air flotation machine simultaneously.Above-mentioned filter device not only can be quickly high
Large particulate matter in effect filtering waste liquid, utility that can also effectively in Recycling of waste liquid, and the rate of recovery 80% or more, such as
The rate of recovery is 85%, 90% etc..Further, in this embodiment high-efficient shallow air flotation machine, by using high frequency common rail spray
It penetrates the high-efficiency dissolued-air system of strong molten cutting technique and the micron order air for spraying gas integrates spraying system, make in waste liquid
The concentration of dissolved air water reaches theoretical upper values in 3s-5s as possible, such as reaches theoretical upper values in 4s or 5s, generates simultaneously
A large amount of diameters are only 10 μm -20 μm of microbubble, such as 10 μm, 15 μm, 18 μm of microbubble, to change the surface tension of water,
For adsorbing the impurity such as the colloidal substance in waste liquid.Specifically, Microsecond grade is equipped in the high-efficient shallow air flotation machine in the present embodiment
Quick device for phase saparation and release, the quick device for phase saparation of the Microsecond grade are used for the water and air in the dissolved air water in waste liquid
Two phases of molecule detach in the time less than 1 μ s to different directions high-speed motion, and quickly cohesion generates (diameter uniform in size
About 2 μm -10 μm, may be, for example, 5 μm, 6 μm, 10 μm) and minute bubbles with charge, the minute bubbles are a large amount of by release
In release to waste liquid, the surface tension of water is further changed, the ability of its adsorbing contaminant is made to get a promotion, it is adsorbable to have color base
Group and a small amount of hydroaropic substance, admittedly it can further improve the treatment effect of waste liquid.
Further, in this embodiment biological treatment system further include being used between primary sedimentation tank and anaerobic reactor
The circulatory pool of PH adjustings is carried out to the waste liquid entered in anaerobic reactor.It is, waste liquid can be after being discharged first through primary sedimentation tank
To enter circulatory pool and carry out PH adjustings, enter back into carry out reaction treatment in anaerobic reactor later, treated, and waste liquid can be again
Circulatory pool is flowed back into, is then sent into anaerobic reactor after progress pH value adjustment and is handled again again, that is, make anaerobism
Reactor repeatedly handles waste liquid, and specific number of processes can be depending on the actual treatment situation of waste liquid.Adjusting waste liquid
PH when, need in circulatory pool to carry out pre-acidified to waste liquid first, then launch sodium hydroxide again and carry out neutralization adjusting, wherein
The injected volume of pre-acidified degree and sodium hydroxide can be determined on a case-by-case basis.
Further, in this embodiment anaerobic reactor be two-stage detach internal-circulation anaerobic reactor, inside have
Organic pollutant degradation in waste liquid can be generated methane gas by a large amount of anaerobic bacteria, the anaerobic bacteria.In the present embodiment
Anaerobic reactor is also connected with gas concentration unit, which can be recycled by gas concentration unit.In addition, in order to make
Anaerobic bacteria in anaerobic reactor has stronger activity, it is also necessary to periodically to anaerobism reflection wherein launch ammonium dihydrogen phosphate and
Urea.
Further, in this embodiment oxidation ditch in be equipped with for waste liquid carry out aeration dissolved oxygen to enhance in oxidation ditch
Aerobe to multiple inverted umbrella surface aerating machines of the treatment effect of waste liquid.Multiple inverted umbrella surface aerating machine possesses higher exposure
Gas dissolved oxygen efficiency can greatly prolong processing time of the waste liquid in oxidation ditch, and aerobe can be made to give full play to it to useless
The processing capacity of liquid.
Further, coagulation reaction tank includes mechanical mixture that is being sequentially communicated and being square pond, automatic reaction pond
And horizontal sedimentation tank.Wherein, mechanical mixture pond is used to waste liquid and the coagulant being invested in waste liquid, chlorine dioxide passing through machinery
The mode of stirring is mixed.Have in automatic reaction pond for sprayed in the waste liquid into pond flocculant and water purification agent (such as
PAM, PAC) medicament ejector.Horizontal sedimentation tank includes upper layer and lower layer structure, wherein upper layer be used for by the sludge in waste liquid into
Row sedimentation, lower layer are used to collect the sludge after sedimentation, and the bottom of horizontal sedimentation tank is equipped with water distributor, and top is equipped with for that will handle
Waste liquid afterwards imports the drainpipe of recovery pond.
For papermaking wastewater processing system in the utility model when papermaking wastewater is recycled in processing, detailed process is as follows：
Waste liquid enters filter device and is filtered processing, and the larger suspended matter of particle in waste liquid or flco substance are retained
Get off；Then waste liquid enters in high-efficient shallow air flotation machine, to remove the small suspended particulate in waste liquid；Then waste liquid enters aeration
Appropriate coagulant is launched in pond into waste liquid first, after then carrying out micro- Air Exposure to waste liquid using aerator, is not removed
Small suspended particulate can flock together and be attached on bubble under coagulant effect, and rise to the water surface with bubble；Then
Waste liquid is admitted to primary sedimentation tank, is removed the suspended matter that its surface is risen in waste liquid using the mud equipment of scraping in pond；Then waste liquid
Into PH adjustings are carried out in circulatory pool, it is admitted in anaerobic reactor after the PH of waste liquid stablizes, in the reactor, anaerobism is thin
Organic pollutant degradation in waste liquid is generated CH by bacterium4Gas, CH4Gas is recycled through gas concentration unit；Then waste liquid into
Enter oxidation ditch, under the aeration effect for the inverted umbrella surface aerating machine being arranged in oxidation ditch, the activated sludge in oxidation ditch and waste liquid
It comes into full contact with, the aerobic bacteria in activated sludge is using the organic matter in waste liquid as metabolic waste, by aerobic bacteria oxidation
The organic matter in waste liquid is consumed, the pollutant in water removal is further removed；Then waste liquid enters secondary settling tank progress secondary precipitation；It connects
It waste liquid and enters coagulation reaction tank, flocculant, water purification agent are added in coagulation reaction tank, to carry out advanced treating to waste liquid, into
One step removes the pollutant in waste liquid；It is sent in recovery pond through the supernatant that coagulation reaction tank transfers out, can be used as papermaking
Produce the recycle-water of certain programs.Wherein, it is dense that the sludge that primary sedimentation tank, secondary settling tank and coagulation reaction tank are recovered to is sent to sludge
Contracting is concentrated in pond, then through compressor to after concentration sludge carry out compression processing transported at sludge cake, and concentration and
The supernatant generated when compression, which can be sent into filter device, continues to participate in processing recycling step.
Above example is only the exemplary embodiment of the utility model, is not used in limitation the utility model, this practicality is new
The protection domain of type is defined by the claims.Those skilled in the art can be in the essence and protection domain of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling new in this practicality
In the protection domain of type.
Claims (10)
1. a kind of papermaking wastewater processing system, which is characterized in that including：
Physical processing system comprising for the filter device for filtering waste liquid, the efficient shallow gas being connected with the filter device
Floating machine, the aeration tank being connected with the high-efficient shallow air flotation machine and the primary sedimentation tank being connected with the aeration tank；
Biological treatment system comprising the anaerobic reactor being connected with the primary sedimentation tank, the oxygen being connected with the anaerobic reactor
Change ditch, the secondary settling tank being connected with the oxidation ditch and the coagulation reaction tank being connected with the secondary settling tank, the coagulation reaction tank
It is connected simultaneously with the recovery pond for the waste liquid after recovery processing；
Sludge treating system comprising be connected with the primary sedimentation tank, secondary settling tank and coagulation reaction tank and analysed for collecting in each pond
The sludge that goes out and the concentration basin that sludge is concentrated and the compression for the sludge in the concentration basin to be carried out to compression processing
Machine；And
Control system comprising be respectively arranged in the filter device, high-efficient shallow air flotation machine, aeration tank and primary sedimentation tank
One video and photo acquisition device, the first water quality detector and the first gas sensor and for according to first video and photograph
Information that piece collector, the first water quality detector and the first gas sensor obtain and control the physical processing system operation
First controller further includes that second be respectively arranged in the anaerobic reactor, oxidation ditch, secondary settling tank and coagulation reaction tank regards
Frequency and photo acquisition device, the second water quality detector and the second gas sensor and for being adopted according to second video and photo
Information that storage, the second water quality detector and the second gas sensor obtain and control the second of the biological treatment system operation
Controller.
2. papermaking wastewater processing system according to claim 1, which is characterized in that first controller is according to described
The water quality information of video and photographic intelligence, the first water quality detector acquisition that one video and photo acquisition device obtain controls institute
State filter device and high-efficient shallow air flotation machine to the waste liquid sequentially enter again after multiple circular treatment the aeration tank and
Primary sedimentation tank, and according to first gas sensor obtain to liquid waste processing during the composition information control of gas that generates
Make the oxygenation capacity of the aerator in the aeration tank；
The second controller is according to second video and the video and photographic intelligence, second water of the acquisition of photo acquisition device
What the water quality information and second gas sensor that matter detector obtains obtained generates during to liquid waste processing
The composition information of gas controls the anaerobic reactor, oxidation ditch, secondary settling tank and coagulation reaction tank to being arranged from the primary sedimentation tank
The waste liquid gone out carries out multiple circular treatment.
3. papermaking wastewater processing system according to claim 1, which is characterized in that have in first controller and be used for
First video and photo acquisition device, the first water quality detector described in record storage, the first gas sensor obtain information and
First data storage of the processing information that first controller is exported according to each information；
Have in the second controller for the second video and photo acquisition device, the second water quality detector described in record storage,
Second number of the processing information that the information and the second controller that the second gas sensor obtains are exported according to each information
According to memory.
4. papermaking wastewater processing system according to claim 1, which is characterized in that the biological treatment system further includes position
For being followed to what the waste liquid in the primary sedimentation tank and anaerobic reactor flowed back between the primary sedimentation tank and anaerobic reactor
Cisterna ambiens.
5. papermaking wastewater processing system according to claim 1, which is characterized in that the filter device includes being sequentially connected
Filter screen, filter-press and continuous discharging slag centrifuge, the continuous discharging slag centrifuge and the high-efficient shallow air flotation machine
It is connected.
6. papermaking wastewater processing system according to claim 1, which is characterized in that be equipped in the high-efficient shallow air flotation machine
The quick device for phase saparation of Microsecond grade and release, the quick device for phase saparation of Microsecond grade are used to detach the water and air in waste liquid
Molecule simultaneously makes the air molecule isolated carry charge, and the release is sprayed for that will carry the air molecule of charge
It is incident upon in waste liquid.
7. papermaking wastewater processing system according to claim 1, which is characterized in that the anaerobic reactor detaches for two-stage
Internal-circulation anaerobic reactor.
8. papermaking wastewater processing system according to claim 1 or claim 7, which is characterized in that the papermaking wastewater processing system
It further include the gas concentration unit being connected for recycling organic gas with the anaerobic reactor.
9. papermaking wastewater processing system according to claim 1, which is characterized in that be equipped with for useless in the oxidation ditch
Liquid carries out multiple inverted umbrella tables of the aeration dissolved oxygen to enhance the aerobe in the oxidation ditch to the treatment effect of the waste liquid
Exposure machine.
10. papermaking wastewater processing system according to claim 1, which is characterized in that the coagulation reaction tank includes successively
Mechanical mixture pond, automatic reaction pond and horizontal sedimentation tank be connected to and being square；The mechanical mixture pond will be for that will give up
Liquid and the coagulant being invested in the waste liquid, chlorine dioxide are mixed by churned mechanically mode；The automatic reaction
There is the medicament ejector for spraying flocculant and water purification agent into pond in pond；The horizontal sedimentation tank includes upper and lower both sides knot
Structure, wherein for settling the sludge in waste liquid, lower layer is used to collect the sludge after sedimentation, the advection sedimentation on upper layer
The bottom in pond is equipped with water distributor, and top is equipped with for by the drainpipe of treated waste liquid the imports recovery pond.
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| CN201721740955.6U CN207671883U (en) | 2017-12-13 | 2017-12-13 | A kind of papermaking wastewater processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857443A (en) * | 2017-12-13 | 2018-03-30 | 国际竹藤中心 | A kind of papermaking wastewater processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857443A (en) * | 2017-12-13 | 2018-03-30 | 国际竹藤中心 | A kind of papermaking wastewater processing system |
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