CN107673467A - A kind of the Biological Pretreatment reactor and method of the micro- reoxygenation in surface - Google Patents
A kind of the Biological Pretreatment reactor and method of the micro- reoxygenation in surface Download PDFInfo
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- CN107673467A CN107673467A CN201710941167.1A CN201710941167A CN107673467A CN 107673467 A CN107673467 A CN 107673467A CN 201710941167 A CN201710941167 A CN 201710941167A CN 107673467 A CN107673467 A CN 107673467A
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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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- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- Biological Treatment Of Waste Water (AREA)
Abstract
The Biological Pretreatment reactor and method of a kind of micro- reoxygenation in surface of the present invention, are related to technical field of sewage.The problem of being difficult to reach preferable wastewater treatment efficiency for existing pulling flow type or up-flow processing method.The arranged side by side and multiple baffle plate assemblies of interval setting in the housing of reactor, baffle plate assembly include vertical and spaced flow apron and hydraulic barrier, and both are corrugated sheet；Flow apron top is concordant with sidewall of reactor top, the bottom interval of its bottom and reactor is set, the bottom of hydraulic barrier is connected to reactor bottom, and its top is less than flow apron top, and the diversion chamber being connected and anaerobic hydrolysis reative cell that both form communicate with air.Method：Elastic solid filler is set in reactor；The diversion chamber and anaerobic hydrolysis reative cell that sewage is formed by baffle plate assembly successively so that sewage is sufficiently stirred with elastic solid filler and haptoreaction, the water body after purification discharge reactor by delivery port.
Description
Technical field
The present invention relates to technical field of sewage, the Biological Pretreatment reactor of more particularly to a kind of micro- reoxygenation in surface and
Method.
Background technology
In recent years, as the development of chemical ＆ blended fabric and staining technique, increasing PVA slurries, rayon alkaline solution are (adjacent
Phthalic acids material etc.), the organic matter of the bio-refractory such as new dye auxiliary agent largely enter in dyeing waste water, further drop
The low biodegradability of dyeing waste water, causes the COD clearances of original biological treatment system to decline.
Anaerobic hydrolysis-acidification is a kind of conventional treatment technology of organic wastewater with difficult degradation thereby, common anaerobic hydrolysis reactor shape
Formula mainly has common pulling flow type and up-flow.Common pulling flow type anaerobic reactor turbulent water is smaller, and sewage can not be very with sludge
Good mixing, need to increase agitating device to improve water body fluidised form, easily cause the loss of anaerobic sludge；Up-flow anaerobic reaction
Device, such as upflow anaerobic sludge blanket process (abbreviation UASB), its organic loading is high, without stirring for sludge reflux equipment, in reactor
Carrier need not be added, avoids scum silica frost blocking, but the reactor is present to water quality sensitivity simultaneously, reaches as high as 70%~80%
Short stream, the shortcomings of sludge acclimatization time is long.It can be seen that due to dyeing and printing products and the diversity of technique, dyeing waste water complicated component, its
Intractability is increasing, and existing single treatment method is extremely difficult to preferable wastewater purifying efficiency.
The content of the invention
For dyeing waste water complicated component, the increase of its intractability, existing pulling flow type or up-flow processing method is difficult to
The problem of reaching preferable wastewater treatment efficiency.It is an object of the invention to provide a kind of Biological Pretreatment reactor of the micro- reoxygenation in surface
And method, there are multiple compartments communicated that the flow apron of waveform configuration and hydraulic barrier are formed in reactor inner chamber, current
Because the regular scaling of compartment internal channel produces turbulent flow, the effect of being stirred is served, enables sewage and Biological Pretreatment
Anaerobe in reactor fully contacts, and reduces the use of mixing agitator, reduces energy consumption, and due to it is each every
Room directly communicates with air, and middle and upper part is in micro- aerobic state due to air reaeration in compartment, is advantageous to the life of amphimicrobe
Long, amphimicrobe is advantageous to degraded and the metabolic activity of organic matter, improves the biodegradability of sewage.
The technical solution adopted for the present invention to solve the technical problems is：A kind of Biological Pretreatment reaction of the micro- reoxygenation in surface
Device, the Biological Pretreatment reactor are the casing of an open top, and the top of one side wall of casing is provided with water inlet, with
The top of its relative side wall is provided with delivery port, and the water inlet is higher than the delivery port；
Arranged side by side and some baffle plate assemblies of interval setting between the water inlet and delivery port of the Biological Pretreatment reactor, often
The individual baffle plate assembly includes vertical and spaced flow apron and hydraulic barrier, and the flow apron is close to the water inlet
Mouth is set, and the hydraulic barrier is set close to the delivery port, and the flow apron and the hydraulic barrier are corrugated sheet,
The top of the flow apron is concordant with the top of the Biological Pretreatment sidewall of reactor, the bottom of the flow apron and institute
The bottom interval for stating Biological Pretreatment reactor is set, and the bottom of the hydraulic barrier is connected to the Biological Pretreatment reactor
Bottom, the top of the hydraulic barrier is less than the flow apron top；
Gap between the flow apron of the water inlet and the Biological Pretreatment sidewall of reactor, and it is adjacent
Gap between two baffle plate assemblies forms a diversion chamber respectively, the flow apron and baffling of each baffle plate assembly
Space between baffle plate forms an anaerobic hydrolysis reative cell, the diversion chamber and the anaerobic hydrolysis reacting chamber space every setting respectively
Put, and the top of the diversion chamber and the anaerobic hydrolysis reative cell communicates with air.
Preferably, the Biological Pretreatment reactor inner chamber sets elastic solid filler.
Preferably, the flow apron is continuously arranged by vertically arranged support column one and along the short transverse of support column one
Some first folded plates composition of row, the hydraulic barrier is by vertically arranged support column two and along the short transverse of support column two
Continuously arranged some second folded plate compositions, and the cross section of first folded plate and second folded plate is isoceles triangle
Shape；The support column one is set close to the water inlet, and the corner portion of first folded plate is set close to the delivery port, described
Support column two is set close to the delivery port, and the corner portion of second folded plate is set close to the water inlet.
Preferably, first folded plate and the angle α of the second folded plate corner portion are 90 °~120 °.
Preferably, first folded plate and the angle α of the second folded plate corner portion are 120 °.
Preferably, the crest and trough of first folded plate and second folded plate are symmetrical arranged.
Preferably, it is socket joint between the flow apron, the hydraulic barrier and the Biological Pretreatment reactor wall
Formula is flexibly connected or is welded and fixed.
Preferably, the bottom of each anaerobic hydrolysis reative cell is equipped with mud discharging mouth, and the delivery port, which is connected with, to catchment
Groove.
In addition, present invention also offers a kind of biologic pretreatment method of the micro- reoxygenation in surface, step are as follows：
S1：Elastic solid filler is set in Biological Pretreatment reactor, it is pre- that the sludge after domestication is sent into the biology
Treatment reactor；
S2：Sewage is by the way that in water inlet to the Biological Pretreatment reactor, sewage is successively by baffle plate assembly formation
Multiple spaced diversion chamber and anaerobic hydrolysis reative cell so that sewage is sufficiently stirred and contacted with the elastic solid filler
Reaction, the water body after purification discharge the Biological Pretreatment reactor by delivery port.
Effect of the invention is that：
First, the Biological Pretreatment reactor of the micro- reoxygenation in surface of the invention, side by side and it is arranged at intervals some in its housing
Baffle plate assembly, each baffle plate assembly is made up of the flow apron and hydraulic barrier for being spaced and being staggered, some to flow apron
Biological Pretreatment reactor inner chamber is divided into some diversion chamber being connected and anaerobic hydrolysis reative cell with hydraulic barrier, quite
It is arranged in series in some miniature upflow anaerobic sludge blanket process；Sewage enters successively after water inlet enters Biological Pretreatment reactor
Enter diversion chamber and anaerobic hydrolysis reative cell, because each compartment directly communicates with air, make when in Biological Pretreatment reactor
During by the use of elastic solid filler as biofilm carrier, middle and upper part is in micro- aerobic state due to air reaeration in compartment, favorably
In the growth of amphimicrobe, amphimicrobe, as electron acceptor, carries out organic matter drop using the material and dissolved oxygen for containing compound state
Solution and metabolic activity, while the degraded of graininess organic matter is carried out, the water after purified treatment flows through delivery port discharge, moreover, simultaneous
Property bacterium can also the small organic molecule such as organic acid in decomposition water, improve water outlet pH value, reduce the impact to follow-up aerobic device；
The Biological Pretreatment reactor makes Biological Pretreatment reactor by setting flow apron and hydraulic barrier with waveform configuration
With good hydraulic characteristic, it is mixed to serve stirring because the regular scaling of passage produces turbulent flow for the current in each compartment
Cooperation is used, and sewage is fully contacted with the anaerobe in Biological Pretreatment reactor, is reduced mixing agitator
Use, energy consumption is reduced, moreover, the Biological Pretreatment reactor causes the turbulence of its interior fluid mediums by dynamics measure
And vortex is formed, using eddy diffusivity and Convention diffusion come Accelerative mass transfer, mass-transfer efficiency is improved, improve dyeing waste water can
The clearance of biochemical and COD, and reduce influence of the organic acid to subsequent reactor；It can be seen that current are anti-in Biological Pretreatment
Answer device interior edge hydraulic barrier to make baffling up and down to flow, the hydraulic characteristic(s) in each compartment is similar to be thoroughly mixed formula anaerobic reaction
Device, and the fluidised form of whole Biological Pretreatment reactor is then similar to pulling flow type anaerobic reactor, the Biological Pretreatment reactor energy
It is enough that a variety of anaerobic hydrolysis modes are combined into carry out sewage disposal, improve wastewater treatment efficiency.
2nd, the method for the Biological Pretreatment of the micro- reoxygenation in surface of the invention, sewage are drawn into biological pre- place by water inlet
Manage in reactor, the multiple diversion chamber being connected and anaerobic hydrolysis reative cell that sewage is formed by baffle plate assembly successively, current
Flow downward in diversion chamber, and flowed up in anaerobic hydrolysis reative cell, the flow apron being oppositely arranged and hydraulic barrier shape
Into the passage with multiple scale spaces cause rise current formed be vortexed, Biological Pretreatment is caused by dynamics measure
The turbulence of current and vortex is formed in reactor, using eddy diffusivity and Convention diffusion come Accelerative mass transfer so that sewage and filler
Simultaneously haptoreaction is sufficiently stirred, finally, the water body after purification discharges Biological Pretreatment reactor by delivery port, and this method not only carries
High mass-transfer efficiency, and improve the biodegradability of dyeing waste water and COD clearance.
Brief description of the drawings
Fig. 1 is the structural representation of the Biological Pretreatment reactor of the micro- reoxygenation in surface of one embodiment of the invention；
Fig. 2 is Fig. 1 A-A sectional views.
Label is as follows in figure：
Biological Pretreatment reactor 10；Water inlet 11；Delivery port 12；Mud discharging mouth 15；Water leg 16；Baffle plate assembly 20；Lead
Flow baffle plate 21；The 21a of support column one；First folded plate 21b；Hydraulic barrier 22；The 22a of support column two；Second folded plate 22b；Diversion chamber a；
Anaerobic hydrolysis reative cell b.
Embodiment
A kind of Biological Pretreatment of micro- reoxygenation in surface proposed by the present invention is reacted below in conjunction with the drawings and specific embodiments
Device and method are described in further detail.According to following explanation and claims, advantages and features of the invention will be more clear
Chu.It should be noted that accompanying drawing uses using very simplified form and non-accurately ratio, only to conveniently, lucidly
Aid in illustrating the purpose of the embodiment of the present invention.For sake of convenience, " on ", " under " described below, "left", "right" and accompanying drawing
The direction of upper and lower, left and right is consistent, but this can not turn into the limitation of technical solution of the present invention.
Embodiment one：Illustrate the Biological Pretreatment reactor 10 of the micro- reoxygenation in surface of the present invention with reference to Fig. 1 to Fig. 2, in Fig. 2
Dotted arrow direction is drainage flow direction, and the Biological Pretreatment reactor 10 of the present embodiment is rectangular shape and top
Open casing, i.e. casing top communicate with air, as shown in Fig. 2 being provided with the top of the left side wall of Biological Pretreatment reactor 10
Water inlet 11, its right side wall top are provided with delivery port 12, and water level of intaking is higher than water outlet water level；Water inlet 11 and delivery port 12 it
Between side by side and be arranged at intervals three baffle plate assemblies 20, not setting for Biological Pretreatment reactor 10 is fixed at the both ends of baffle plate assembly 20
In the side wall for having water inlet 11 and delivery port 12；Each baffle plate assembly 20 includes vertical and spaced flow apron 21 and folding
Baffle plate 22 is flowed, flow apron 21 is set close to water inlet 11, and hydraulic barrier 22 is set close to delivery port 12, flow apron 21 and folding
It is corrugated sheet to flow baffle plate 22, and the top of flow apron 21 is concordant with the top of the side wall of Biological Pretreatment reactor 10, water conservancy diversion gear
The bottom of plate 21 is set with the bottom interval of Biological Pretreatment reactor 10, and the bottom of hydraulic barrier 22 is connected to Biological Pretreatment
The bottom of reactor 10, the top of hydraulic barrier 22 are less than the top of flow apron 21.Therefore, close to the flow apron of water inlet 11
Gap between 21 and the left side wall of Biological Pretreatment reactor 10 forms a diversion chamber a, adjacent two baffle plate assemblies 20 it
Between gap form two other diversion chamber a, the width between the flow apron 21 and hydraulic barrier 22 of each baffle plate assembly 20
Larger space forms an anaerobic hydrolysis reative cell b respectively, that is to say, that three diversion chamber a and three anaerobic hydrolysis reactions
Room b is respectively separated setting, moreover, diversion chamber a and anaerobic hydrolysis reative cell b top communicate with air.
The Biological Pretreatment reactor 10 of the micro- reoxygenation in surface of the present invention, side by side and some gears are arranged at intervals in its housing
Board component 20, each baffle plate assembly 20 is made up of the flow apron 21 and hydraulic barrier 22 for being spaced and being staggered, some to leading
The inner chamber of Biological Pretreatment reactor 10 is divided into some diversion chamber a and anaerobism water being connected by stream baffle plate 21 with hydraulic barrier 22
Reative cell b is solved, is arranged in series equivalent to some miniature upflow anaerobic sludge blanket process；Sewage enters Biological Pretreatment from water inlet 11
After reactor 10, diversion chamber a and anaerobic hydrolysis reative cell b are sequentially entered, because each compartment directly communicates with air, works as life
When using elastic solid filler as biofilm carrier in thing preatreating reactors 10, in compartment middle and upper part due to air reaeration and
In micro- aerobic state, be advantageous to the growth of amphimicrobe, amphimicrobe is using the material and dissolved oxygen for containing compound state as electricity
Sub- acceptor, organic matter degradation and metabolic activity are carried out, while carry out the degraded of graininess organic matter, the water after purified treatment flows through
Delivery port 12 is discharged, moreover, amphimicrobe can also the small organic molecule such as organic acid in decomposition water, improve water outlet pH value, reduce
Impact to follow-up aerobic device；The Biological Pretreatment reactor 10 is by setting flow apron 21 and folding with waveform configuration
Baffle plate 22 is flowed, makes Biological Pretreatment reactor 10 that to there is good hydraulic characteristic, the current in each compartment there are rule because of passage
The scaling of rule produces turbulent flow, serves the effect of being stirred, enables sewage and the anaerobism in Biological Pretreatment reactor 10 micro-
Biological fully contact, reduces the use of mixing agitator, reduces energy consumption, moreover, the Biological Pretreatment reactor 10 passes through
Dynamics measure causes the turbulence of its interior fluid mediums and forms vortex, accelerates to pass using eddy diffusivity and Convention diffusion
Matter, mass-transfer efficiency is improved, improve the biodegradability of dyeing waste water and COD clearance, and reduce organic acid to follow-up
The influence of reactor；It can be seen that current the interior edge hydraulic barrier 22 of Biological Pretreatment reactor 10 make up and down baffling flowing, each every
Indoor hydraulic characteristic(s) is similar to be thoroughly mixed formula anaerobic reactor, and the fluidised form of whole Biological Pretreatment reactor 10 is then approximate
In pulling flow type anaerobic reactor, the Biological Pretreatment reactor 10, which can combine a variety of anaerobic hydrolysis modes, to be carried out at sewage
Reason, improves wastewater treatment efficiency.
Further, the above-mentioned lumen loading of Biological Pretreatment reactor 10 has certain elastic solid filler, elastic stereo
Filler is usually to have screened several corrosion resistants, heatproof, the ageing-resistant fine quality in TPO and polyamide, is mixed with parent
The auxiliary agents such as water, absorption, heat resistanceheat resistant oxygen, using special wire drawing, strand hair technique, strand is interted and anchors at corrosion resistant, high intensity
Axial cord on manufactured suspension type 3 D elastic filler monomer.Elastic solid filler can stereoscopic and omnibearing in effective coverage
Uniformly unfold and be abound with, play beneficial to biofilm, retention microorganism increase sludge age, be easy to the effect of sewage sludge abundant haptoreaction,
The inner stuffing of the Biological Pretreatment reactor 10 employs elastic solid filler, can increase when water velocity is not changed
Add the content of microorganism.
Please continue to refer to Fig. 1 and Fig. 2, flow apron 21 is high by the vertically arranged 21a of support column one and along the 21a of support column one
Spend the continuously arranged some first folded plate 21b composition in direction, hydraulic barrier 22 is by the vertically arranged 22a of support column two and along support
The continuously arranged some second folded plate 22b compositions of the 22a short transverses of post two, and the first folded plate 21b's and the second folded plate 22b is transversal
Face is isosceles triangle；The 21a of support column one is set close to water inlet 11, and the first folded plate 21b corner portion is set close to delivery port 12
Put, the 22a of support column two is set close to delivery port 12, and the second folded plate 22b corner portion is set close to water inlet 11.Tied to simplify
Structure, positioned at the hydraulic barrier 22 and the right side wall of Biological Pretreatment reactor 10 on the right side of Biological Pretreatment reactor 10 in the present embodiment
It is combined into one, i.e., some second folded plate 22b are connected to the right side wall of Biological Pretreatment reactor 10 and form Biological Pretreatment reactor
Unilateral more flanging designs of 10 right side deflector type side wall, flow apron 21 and hydraulic barrier 22, add current on baffle plate
Flow path, baffle plate can retain sludge and cause sewage and the abundant haptoreaction of elastic solid filler, and it is net to improve sewage
Change efficiency.
Above-mentioned first folded plate 21b and the angle α of the second folded plate 22b corner portions are 90 °~120 °, and the corner portion of folded plate is in blunt
Angle is set, and both the current of rising will not be caused to hinder, and promotes being stirred for sewage and elastic solid filler again.More preferably
, the angle α of the first folded plate 21b and the second folded plate 22b corner portion is preferably 120 °, and the folder of two neighboring folded plate junction
Angle is also in 120 °, Tortuous flow in the passage that the current of rising are formed between flow apron 21 and hydraulic barrier 22, is formed many
More small vortex so that sewage stirs more uniform with elastic solid filler, moreover, the folded plate that angle is 120 ° is more readily processed
It is and fixed.
Please continue to refer to Fig. 2, the first folded plate 21b and the second folded plate 22b crest and trough are symmetrical arranged, and current are in water conservancy diversion
It is decline state in a of room, ensure that the current in anaerobic hydrolysis reative cell b are propradation, the crest ripple of two blocks of folded plates
Paddy is symmetrical arranged, and the water stream channel formed in anaerobic hydrolysis reative cell b has multiple continuous expansion-shrink spaces, more has
Beneficial to the current of rising vortex is formed in multiple continuous scale spaces.
In order to improve the disturbance effect of current, positioned at the second folded plate 22b at the top of hydraulic barrier 22 section rectangular three
Angular, second folded plate of a block 22b right-angle side is parallel with the 22a of support column two, and its another right-angle side is perpendicular to support column two
22a and concordant with the 22a of support column two top, when current flow through the block the second folded plate 22b, current are along the folded plate of block second
22b hypotenuse flows to the middle part of anaerobic hydrolysis reactor rather than flows directly into diversion chamber a so that current react with anaerobic hydrolysis
The current subsequently risen in the b of room collide, and the stirring between current and elastic solid filler is more abundant, promotes both
Haptoreaction.
More preferably, it is flexibly connected or welds for spigot-and-socket between above-mentioned flow apron 21, hydraulic barrier 22 and reactor wall
Connect fixation.The flow apron 21 of the present embodiment and hydraulic barrier 22 are modularized design, and preferably spigot-and-socket flexible connection, i.e.,
It is detachable connection between Biological Pretreatment reactor 10, installation and demolition are more convenient, improve the utilization of material
Rate.
Each anaerobic hydrolysis reative cell b bottom is provided with mud discharging mouth 15, and to discharge reacted sludge, delivery port 12 uses
Weir formula, and the peripheral hardware water leg 16 of delivery port 12 facilitates row outside water outlet.
Embodiment two：Illustrate a kind of method of the Biological Pretreatment of the micro- reoxygenation in surface of the present invention, tool with reference to Fig. 1 and Fig. 2
Body step is as follows：
Using the Biological Pretreatment reactor 10 described by embodiment one, it is filled with Biological Pretreatment reactor 10 appropriate
Elastic solid filler, obtain sludge from the anaerobic fixed film reactor of certain sewage treatment plant and carry out biofilm domestication and be sent into Biological Pretreatment
Reactor 10, the sewage of pretreatment is drawn into Biological Pretreatment reactor 10 by inlet opening with peristaltic pump, sewage is successively
The three diversion chamber a and three anaerobic hydrolysis reative cell b formed by three baffle plate assemblies 20 so that sewage is filled out with elastic stereo
Material is sufficiently stirred and haptoreaction, the water body after purification discharge Biological Pretreatment reactor 10 by delivery port 12, and by catchmenting
Arranged outside groove 16, reacted sludge is then discharged Biological Pretreatment by the mud discharging mouth 15 of the bottom of Biological Pretreatment reactor 10 and reacted
Device 10.
In the present embodiment, wastewater influent condition of water quality is as follows：COD=510.29mg/L, BOD5=155.43mg/L, BOD5/
COD=0.30, effluent quality condition are as follows：COD=408.21mg/L, BOD5=143.22mg/L, BOD5/ COD=0.35；Through
Repetition test is drawn, handles sewage using the Biological Pretreatment reactor 10 of the present invention, COD clearances reach 20%, BOD5/
COD improves 16.7%, wherein, BOD5/ COD indexs are the ratio of biochemical oxygen demand (BOD)s on the 5th and COD, are that sewage can give birth to
Change the index of degradability.
The method of the Biological Pretreatment of the micro- reoxygenation in surface of the present invention, sewage are drawn into Biological Pretreatment by water inlet 11
In reactor 10, multiple the diversion chamber a being connected and anaerobic hydrolysis reative cell b that sewage is formed by baffle plate assembly 20 successively,
Current flow downward in diversion chamber a, and are flowed up in anaerobic hydrolysis reative cell b, the flow apron 21 being oppositely arranged and folding
The current that the passage with multiple scale spaces that stream baffle plate 22 is formed to rise, which are formed, to be vortexed, and is caused by dynamics measure
The turbulence of current and vortex is formed in Biological Pretreatment reactor 10, using eddy diffusivity and Convention diffusion come Accelerative mass transfer, made
Obtain sewage and be sufficiently stirred simultaneously haptoreaction with filler, finally, the water body after purification discharges Biological Pretreatment reaction by delivery port 12
Device 10, this method not only increase mass-transfer efficiency, and improve the biodegradability of dyeing waste water and COD clearance.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to right.
Claims (9)
- A kind of 1. Biological Pretreatment reactor of the micro- reoxygenation in surface, it is characterised in that：The Biological Pretreatment reactor is a top The open casing in portion, the top of one side wall of casing are provided with water inlet, and the top of side wall corresponding thereto is provided with delivery port, And the water inlet is higher than the delivery port；Arranged side by side and some baffle plate assemblies of interval setting, Mei Gesuo between the water inlet and delivery port of the Biological Pretreatment reactor Baffle plate assembly is stated to set close to the water inlet including vertical and spaced flow apron and hydraulic barrier, the flow apron Put, the hydraulic barrier is set close to the delivery port, and the flow apron and the hydraulic barrier are corrugated sheet, described The top of flow apron is concordant with the top of the Biological Pretreatment sidewall of reactor, the bottom of the flow apron and the life The bottom interval of thing preatreating reactors is set, and the bottom of the hydraulic barrier is connected to the bottom of the Biological Pretreatment reactor Portion, the top of the hydraulic barrier are less than the flow apron top；Gap between the flow apron of the water inlet and the Biological Pretreatment sidewall of reactor, and it is two neighboring Gap between the baffle plate assembly forms a diversion chamber respectively, the flow apron and hydraulic barrier of each baffle plate assembly Between space form an anaerobic hydrolysis reative cell respectively, the diversion chamber and the anaerobic hydrolysis reative cell are arranged at intervals, And the top of the diversion chamber and the anaerobic hydrolysis reative cell communicates with air.
- 2. Biological Pretreatment reactor according to claim 1, it is characterised in that：The Biological Pretreatment reactor inner chamber Elastic solid filler is set.
- 3. Biological Pretreatment reactor according to claim 1 or 2, it is characterised in that：The flow apron is by vertically setting The support column one put and formed along continuously arranged some first folded plates of the short transverse of support column one, the hydraulic barrier by Vertically arranged support column two and formed along continuously arranged some second folded plates of the short transverse of support column two, and described the The cross section of one folded plate and second folded plate is isosceles triangle；The support column one is set close to the water inlet, institute The corner portion for stating the first folded plate is set close to the delivery port, and the support column two is set close to the delivery port, and described second The corner portion of folded plate is set close to the water inlet.
- 4. Biological Pretreatment reactor according to claim 3, it is characterised in that：First folded plate and second folding The angle α of plate corner portion is 90 °~120 °.
- 5. Biological Pretreatment reactor according to claim 4, it is characterised in that：First folded plate and second folding The angle α of plate corner portion is 120 °.
- 6. Biological Pretreatment reactor according to claim 3, it is characterised in that：First folded plate and second folding The crest and trough of plate are symmetrical arranged.
- 7. Biological Pretreatment reactor according to claim 1, it is characterised in that：The flow apron, baffling gear It is flexibly connected or is welded and fixed for spigot-and-socket between plate and the Biological Pretreatment reactor wall.
- 8. Biological Pretreatment reactor according to claim 1, it is characterised in that：Each anaerobic hydrolysis reative cell Bottom is equipped with mud discharging mouth, and the delivery port is connected with water leg.
- 9. a kind of biologic pretreatment method of the micro- reoxygenation in surface, it is characterised in that step is as follows：S1：Elastic solid filler is set in the Biological Pretreatment reactor as described in any one of claim 1 to 8, will be tamed Sludge afterwards is sent into the Biological Pretreatment reactor；S2：Sewage is by the way that in water inlet to the Biological Pretreatment reactor, sewage forms multiple by baffle plate assembly successively Spaced diversion chamber and anaerobic hydrolysis reative cell so that sewage is sufficiently stirred with the elastic solid filler and contacted anti- Should, the water body after purification discharges the Biological Pretreatment reactor by delivery port.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840451A (en) * | 2017-10-17 | 2018-03-27 | 上海市政工程设计研究总院（集团）有限公司 | A kind of the Biological Pretreatment reactor and method of the micro- reoxygenation in surface |
| CN114425207A (en) * | 2020-09-17 | 2022-05-03 | 中国石油化工股份有限公司 | Gas dust removal device and dust removal filler thereof |
| CN114425208A (en) * | 2020-09-17 | 2022-05-03 | 中国石油化工股份有限公司 | Scale pan and dirty gas cleaning device |
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