CN206063876U - A kind of radial-flow sedimentation tank mud-sucking device - Google Patents
A kind of radial-flow sedimentation tank mud-sucking device Download PDFInfo
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- CN206063876U CN206063876U CN201621115267.6U CN201621115267U CN206063876U CN 206063876 U CN206063876 U CN 206063876U CN 201621115267 U CN201621115267 U CN 201621115267U CN 206063876 U CN206063876 U CN 206063876U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
This utility model provides a kind of radial-flow sedimentation tank mud-sucking device, including：Radial-flow sedimentation tank main body, rotation suction dredge, compressed air system, suction mud system, sludge concentration inspection and control system, the radial-flow sedimentation tank main body includes mixed liquor water inlet pipe, flooding tube, water inlet current stabilization baffle plate, supernatant outlet pipe, mud return line and mud discharging pipe, and mixed liquor water inlet pipe is connected with center flooding tube；The bottom of the radial-flow sedimentation tank main body arranges the sludge sump of multiple tracks annular.This utility model not only can separated sludge and process after sewage, the sludge of excellent sludge and poor quality can also be separated, so as to ensure that returned sludge is excellent sludge, discharge sludge and be sludge inferior, so as to improve the biological concentration in Aeration tank and biological activity, the removal ability of Aeration tank is improved, the generation of sludge bulking is reduced.
Description
Technical field
This utility model is related to a kind of radial-flow sedimentation tank mud-sucking device, more particularly to a kind of spoke stream of recyclable benign sludge
Sedimentation tank mud-sucking device, belongs to water-treatment technology field.
Background technology
Traditional active sludge technology is to water pollutant by aerobic microbiological zoogloea (also referred to as activated sludge)
Decompose realize, aeration aerating in pond, maintain microbial metabolism needed for dissolved oxygen, Aeration tank purification after " water outlet is entrainment of work
Property sludge " (also referred to as " mixed liquor ") flow out cell body, carries out mud-water separation through radial-flow sedimentation tank, standard water discharge discharge.
Enter to go out in week in tradition radial-flow sedimentation tank (its structure is as shown in Figure 4), " mixed liquor " is by " spoke stream is precipitated first
" the mixed liquor water inlet pipe " in pond " in pond, by " center flooding tube " into the center top in pond, then through " water inlet current stabilization
Baffle plate " enters Disengagement zone after slowing down, supernatants after precipitation is discharged second pond by " supernatant outlet pipe ", bottom is sunk in pond
Sludge is scraped in " sludge bucket " through " rotation mud scraper ", is back in Aerobic Pond by " mud return line " and is continued with dirt
Water, or by being disposed outside " mud discharging pipe " discharge system.
Above-mentioned traditional second pond sludge reflux and spoil disposal, it is impossible to selectively separate the activated sludge of different conditions,
The result for causing be the excellent bulky grain sludge of settling velocity may discharge system, the slower pessimum sludge of the less heavy speed of flco
Stay on the contrary in systems so that the Sludge Property of system is poor, it is poor to the degradation capability of Pollutants in Wastewater.
For problem above, following documents provide the thinking for solving the above problems：
Documents 1：CN204745765U discloses a kind of second pond scraping and sucking machine mud-sucking device, including circular in cross-section
Second pond cell body, mud-collecting slot is provided with second pond cell body upper center, mud-collecting slot bottom is connected with rotating driving device；
The mud-collecting slot is connected with dredging tube road and discharge pipeline；Dredging tube road includes horizontal pipeline and vertical pipeline, the VERTICAL TUBE
The end on road is provided with tubaeform suction bucket.This utility model second pond scraping and sucking machine mud-sucking device, enters in and goes out formula two week
The sludge distribution rule in heavy pond, carries out reducing optimization design to the dredging tube road of former isometrical, equidistant placement, and dredging tube section is by pond
Bi Xiangchi gradually amplifies at center, it is ensured that the high concentration sludge in centre can be flowed back in time, improves returned sludge concentration,
Ensure the balance of biochemical system activated sludge, the sludgd deposition in effectively solving second pond centre and pipeline blockage problem.
Documents 2：CN204684737U discloses a kind of Radial Flow Secondary Sedimentation Tank peripheral-traction scraping and sucking machine suction dredge structure, institute
The suction dredge structure stated includes some dredging tubes, mud cover, mud suction mouth, mud-suction nozzle and stirs mud pan, and described some dredging tubes are distinguished
It is vertically arranged in inside scraping and sucking machine, described mud cover is separately positioned on every dredging tube, the lower end point of every dredging tube
Do not connect mud-suction nozzle, the lower end both sides of every dredging tube are respectively provided with a pair and stir mud pan, three are provided with per mud pan lower surface is only stirred
Root is symmetrically arranged to stir mud oar, and described stirring paddle section is trapezoidal, and described stirs mud oar medial extremity angle A for 88 °.
Documents 3：CN103505917A discloses the technology that a kind of utilization air stripping principle solves suction dredge blockage problem, mud
Water separation equipment utilizes siphon principle, by the sludge suction mud groove and then inflow sludge reflux well at second pond bottom, using compression sky
The method of gas air stripping improves the hydraulic pressuring difference of dredging tube, so as to solve dredging tube blockage problem.
Documents 4：CN1201843B discloses a kind of new scraping and sucking machine and its solid-liquid separation process, scraping and sucking machine bag
The sedimentation tank of a cylinder funnel type is included, mud-collecting well of active sludge and inertia sludge mud-collecting well on the outside of cell body, is distributed with, it is described
Sedimentation tank is provided with a bearing support rotated around center support, and the bearing support lower end is independently hung with mud-sucking device and scrapes mud
Device；The bearing support is located at the top of central shaft and is provided with guide shell, and mud-collecting slot is located at guide shell inner upper end.
Though above-mentioned documents all give enters the precipitation regularity of distribution for going out sludge in radial-flow sedimentation tank in week in utilizing, adopt
Scraping and sucking machine scrapes the thinking that mud-sucking device draws the sludge in sedimentation tank bottom different distributions region, but all further not right
The sludge of absorption carries out Concentration Testing and efficiently separates, and then selectively flows back or discharges.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of radial-flow sedimentation tank mud-sucking device, using the mud-sucking device
Radial-flow sedimentation tank not only can separated sludge and the sewage after processing, excellent sludge and sludge inferior can also mutually be divided
From, so as to ensure that returned sludge is excellent sludge, discharge sludge and be sludge inferior, it is biological dense in Aeration tank so as to improve
Degree and biological activity, improve the removal ability of Aeration tank, reduce the generation of sludge bulking；The radial-flow sedimentation tank enters week in being
The sedimentation tank that the sedimentation tank for going out can also go out for Zhou Jinzhou.
In order to solve above-mentioned technical problem, this utility model is employed the following technical solutions：
A kind of radial-flow sedimentation tank mud-sucking device is provided, including：
Radial-flow sedimentation tank main body, rotation suction dredge, compressed air system, suction mud system, sludge concentration detection and control system
System,
The rotation suction dredge is erected in radial-flow sedimentation tank main body, and the suction mud system is fixedly connected with rotation suction dredge
And can rotate together with rotation suction dredge, the compressed air system is connected with mud system is inhaled, and the sludge concentration is detected and controlled
System processed is connected with mud system is inhaled；
The radial-flow sedimentation tank main body include mixed liquor water inlet pipe, flooding tube, water inlet current stabilization baffle plate, supernatant outlet pipe,
Mud return line and mud discharging pipe, mixed liquor water inlet pipe are connected with flooding tube；
The bottom of the radial-flow sedimentation tank main body arranges the sludge sump of multiple tracks annular.
Further,
The radial-flow sedimentation tank enters to go out in week in being radial-flow sedimentation tank, and the flooding tube is arranged in radial-flow sedimentation tank main body
The heart, the sludge sump are arranged around flooding tube.
Or, the radial-flow sedimentation tank goes out radial-flow sedimentation tank for Zhou Jinzhou, and the flooding tube is arranged on radial-flow sedimentation tank master
The periphery of body, the sludge sump are arranged around the bottom centre of precipitation tank main body.
Further,
The sludge sump includes pessimum sludge sump, benign sludge sump and some intermediate sludge grooves；
When the radial-flow sedimentation tank enters week in being and goes out radial-flow sedimentation tank, pessimum sludge sump is near radial-flow sedimentation tank main body
Outer wall is arranged, and benign sludge sump is centrally disposed near radial-flow sedimentation tank main body；
When the radial-flow sedimentation tank goes out radial-flow sedimentation tank for Zhou Jinzhou, pessimum sludge sump is near radial-flow sedimentation tank main body
Centrally disposed, benign sludge sump is arranged near the outer wall of radial-flow sedimentation tank main body.
Preferably,
The section of the sludge sump is in inverted trapezoidal wide at the top and narrow at the bottom or del, the inverted trapezoidal or del
The angle of two waists and horizontal direction be 45 °～60 °.
Sludge sump is arranged to inverted trapezoidal or del is conducive to the collection of sludge.
Further,
The suction mud system includes that some suction mud vertical tubes, backflow/spoil disposal selector valve, backflow/spoil disposal canal, backflow/spoil disposal are received
Collection groove, the bottom of the suction mud vertical tube are provided with mud suction mouth, and some suction mud vertical tubes are inserted in some sludge sumps respectively；The dirt
Mud Concentration Testing and set-up of control system are connected on mud vertical tube is inhaled and with backflow/spoil disposal selector valve, backflow/spoil disposal selector valve according to
It is secondary to be connected and be connected to mud return line and mud discharging pipe with backflow/spoil disposal canal, backflow/spoil disposal collecting tank.
Preferably,
The backflow/spoil disposal collecting tank is annular return/spoil disposal collecting tank, around the centrally disposed of precipitation tank main body.
The end of the backflow/spoil disposal canal arranges discharge pipeline, and sludge enters radial-flow sedimentation tank main center by discharge pipeline
Backflow/spoil disposal collecting tank.
Further,
The backflow/spoil disposal selector valve includes reflux inlet and mud valve, and the backflow/spoil disposal canal includes flow back canal and spoil disposal
Canal, the backflow/spoil disposal collecting tank include flow back collecting tank and spoil disposal collecting tank；Mud valve is sequentially connected spoil disposal canal, spoil disposal and receives
Collection groove, mud discharging pipe；Reflux inlet is sequentially connected backflow canal, backflow collecting tank, mud return line.
When sludge concentration inspection and control system detect sludge for pessimum sludge when, now backflow/spoil disposal selector valve
Reflux inlet cuts out, mud valve is opened, and sludge is entered in spoil disposal canal, collected by spoil disposal collecting tank, enters mud discharging pipe, then
Discharge system is disposed；
When sludge concentration inspection and control system detect sludge for benign sludge when, now backflow/spoil disposal selector valve
Reflux inlet is opened, mud valve is closed, and sludge is entered in backflow canal, and by flowing back, collecting tank is collected, and enters mud return line, then
Return in Aeration tank.
Further,
The mud system of inhaling also includes inhaling the cleaning shoe that mud vertical tube is connected respectively with some, and the cleaning shoe is arranged on suction mud
The rear of mouth.
Further,
The compressed air system includes compressed air inlet pipe, some bronchus, air line support, is arranged on gas
Bronchus valve on pipe, and the rotary seal connection for being arranged on compressed air inlet pipe and bronchus junction.
Further,
The sludge concentration inspection and control system includes sludge concentration detecting system and control system, the control system
It is connected with the backflow/spoil disposal selector valve for inhaling mud system；
The sludge concentration detecting system can also be able to be people's drum for intelligent sludge concentration optical method detecting system
Sludge concentration detecting system.
In this utility model, when the radial-flow sedimentation tank using in enters to go out (i.e. in week：Center intake peripheral effluent) spoke stream sink
During the pond of shallow lake, its specific work process is as follows：
The muddy water mixed solution that Aeration tank is discharged is interior by " mixed liquor water inlet pipe " entrance " radial-flow sedimentation tank main body ", along " in
Heart flooding tube " rises, and after " water inlet current stabilization baffle plate " reflection enters Disengagement zone.Larger, the closely knit benign sludge settling of granule
In " sludge sump " near the flooding tube of center, granule less, lighter pessimum sludge settling to from center flooding tube farther out
In " sludge sump ".
Then, the sludge in each sludge sump is suctioned out by " inhale mud system ", benign sludge Jing " mud suction mouth ", " inhales mud
Vertical tube ", " backflow/spoil disposal selector valve " (reflux inlet is opened, mud valve is closed) are entered in backflow canal, by the annular collection trough that flows back
Collect, enter " mud return line ", be then return in Aeration tank.The sludge Jing " mud suction mouth " of pessimum, " inhale mud vertical tube ", " backflow/
Spoil disposal selector valve " (reflux inlet cuts out, mud valve is opened) is entered in spoil disposal canal, is collected by spoil disposal annular collection trough, is entered " dirty
Mud delivery pipe ", the system of being then discharged out is disposed.
The power resources of the suction mud system in this utility model are in " compressed air system ".Compressed air by pond outside air blast
Machine or air pump are provided, and compressed air piping is deployed to the surface at " radial-flow sedimentation tank main body " center along " air line support ",
After " rotary seal connection " and " bronchus valve " pipeline connects, " inhaling mud vertical tube " is accessed.Under gas stripping, sludge
By bottom of pond suction " inhaling mud system ".
The superiority-inferiority for discharging sludge is judged by " sludge concentration inspection and control system " detection, it is also possible to by manual detection
SV values and SVI values judge.The sludge concentration of 6000-9000mg/L is regarded as the boundary boundary line of benign sludge and pessimum sludge,
Less than this concentration, can utilize by benign sludge reflux by pessimum sludge discharge system, higher than this concentration.Excellent, bad sludge
Go out to flow direction by " backflow/spoil disposal selector valve " keying control, the keying of " backflow/spoil disposal selector valve " with " sludge concentration inspection
Survey and control system " linkage.
When in engineering using radial-flow sedimentation tank (Zhou Jinzhou goes out radial-flow sedimentation tank) of circumferential water feed peripheral effluent, mud cloth is inhaled
Form (benign sludge reflux, pessimum sludge are discharged) identical with control mode is put, simply in the sludge sump of outermost side bottom
It is the excellent sludge of settling property, and is the poor sludge of settling property in the mud groove on the inside of pool center.
The beneficial effects of the utility model：
1st, the radial-flow sedimentation tank in this utility model compare it is traditional in enter week go out radial-flow sedimentation tank, not only can separate
The sludge of excellent sludge and poor quality can also be separated by the sewage (supernatant) after sludge and process, so as to ensure backflow
Sludge is excellent sludge, discharges sludge and is sludge inferior, so as to improve the biological concentration in Aeration tank and biological activity, carries
The removal ability of high Aeration tank, reduces the generation (pessimum sludge ratio is raised, as sludge bulking) of sludge bulking.
2nd, multiple tracks ring-shaped groove " sludge sump " is set in radial-flow sedimentation tank bottom part body, selectively separates settleability not
Same sludge；The closer to cell body outer wall, the settling property of sludge is poorer, and the closer to pool center, the settling property of sludge is better.
The setting of sludge sump, while the concentration of pool bottom sludge can also be increased, reduces the quantity of mud suction mouth so that control is convenient.
3rd, enter the sludge distribution rule for going out radial-flow sedimentation tank in week in basis：The closer to cell body outer wall, the settling property of sludge
Poorer, the closer to pool center, the settling property of sludge is better；In the bottom of radial-flow sedimentation tank main body, some sludge sumps are set,
Sludge (the less sludge of the granule) performance collected near in the pessimum sludge sump of radial-flow sedimentation tank cell body outer wall is poorer, sedimentation
Speed is also slower；Sludge (the larger sludge of the granule) property collected the closer in the benign sludge sump of radial-flow sedimentation tank pool center
Can be better, sedimentation velocity is also faster, therefore different sludge sumps can collect the sludge of different shape and performance.
Go out the sludge distribution rule of radial-flow sedimentation tank also according to Zhou Jinzhou：The closer to cell body outer wall, the settleability of sludge
Can be better, the closer to pool center, the settling property of sludge is poorer；If arranging dewatered sludge in the bottom of radial-flow sedimentation tank main body
Groove, to collect the sludge of different shape and performance.
4th, suction mud system of the present utility model arranges backflow/spoil disposal selector valve, backflow/spoil disposal selector valve include reflux inlet with
Mud valve, sludge whereabouts that can be according to the sludge concentration detecting system sludge concentration that draws of detection to control to discharge can be with
Selection is back to biological treatment system or discharge system.
5th, the sludge collected in sludge sump receipts can be scraped mud suction mouth by arranging for cleaning shoe, be conducive to the sucking-off of sludge.
6th, this utility model carries out air stripping spoil disposal using control more than one line of external compressed air source, the maintenance of equipment of being more convenient for and
Management.Rotary seal connection is set in compressed air inlet pipe and bronchus junction, the component is arranged at rotation suction dredge
The surface of center of rotation, is capable of achieving the sealing and flexible connection of two ends pipe fitting.
7th, the sludge concentration measurement and control system in this utility model, using optical method for the concentration for discharging sludge is entered
Row detection, judges the superiority-inferiority of sludge according to the concentration of mud, so as to control reflux inlet and the row of the both sides of backflow/spoil disposal selector valve
The open degree of slurry valve, controls the ratio of the discharge sludge of diverse location.This method realizes round-the-clock sludge monitoring and control, protects
The selectivity of the good and bad sludge under different service conditions is demonstrate,proved.
Benign sludge sump is benign sludge concentration highest region, inhales the suction mud vertical tube that mud system is located in benign sludge sump
One reflux inlet can be only set and be only responsible for control returned sludge flow without arranging mud valve, the valve.
8th, this utility model is compared with documents：Although documents 1 are proposed using in suction dredge mud-sucking device
Dredging tube road carries out reducing optimization design, makes the high concentration sludge at pool center position flow back in time, it is ensured that system activity sludge
Balance thinking, but the good and bad matter sludge of variable concentrations is not carried out separating and selectivity discharge or flow back, or
The separation problem of the activated sludge of different conditions is solved very well can not.Documents 2,3 equally also only provide a kind of suction dredge structure,
What is solved is the blockage problem of sedimentation tank suction dredge structure.Although documents 4 there is provided it is a kind of including independent mud-sucking device and
Activated sludge effectively can be separated by the scraping and sucking machine of mud-scraping apparatus with inertia sludge, but how not be given
Activated sludge is carried out into detached concrete grammar with inertia sludge.
Using some sludge sumps collection different shapes and performance for being arranged on sedimentation tank bottom part body in this utility model
Sludge, then using compressed air system as the power resources for inhaling mud system, is inhaled mud system from the suction of cell body bottom by sludge, and
Using sludge concentration measurement and control system, the superiority-inferiority of sludge is isolated, is then selectively arranged by backflow/mud valve
Enter mud return line or mud discharging pipe, be finally back in Aeration tank or discharge system is disposed.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 goes out the structural representation of radial-flow sedimentation tank to enter week in this utility model embodiment 1；
Fig. 2 be this utility model embodiment 1 in enter week go out radial-flow sedimentation tank sludge system structural representation；
Fig. 3 flows to schematic diagram to enter the mud granule gone out in week when radial-flow sedimentation tank works in this utility model embodiment 1；
Fig. 4 for embodiment 2 tradition in enter week go out dortmund's tank structural representation；
Fig. 5 goes out the workflow frame diagram of radial-flow sedimentation tank to enter week in this utility model embodiment 1；
Fig. 6 for embodiment 2 tradition in enter week go out dortmund's tank workflow frame diagram；
Fig. 7 is that the structure and mud granule flow direction of the dortmund's tank that the Zhou Jinzhou of this utility model embodiment 3 goes out is illustrated
Figure；
Description of reference numerals：
In this utility model radial-flow sedimentation tank：Radial-flow sedimentation tank main body 1；Mixed liquor water inlet pipe 101；Flooding tube 102；Enter
Water current stabilization baffle plate 103；Supernatant outlet pipe 104；Sludge sump 105；Mud return line 106；Mud discharging pipe 107；
Rotation suction dredge 2；Compressed air system 3；Air line support 301；Rotary seal connection 302；Bronchus valve
Door 303；
Inhale mud system 4；Mud suction mouth 401；Inhale mud vertical tube 402；Backflow/spoil disposal selector valve 403；Backflow/spoil disposal canal 404；Return
Stream/spoil disposal collecting tank 405；Sludge concentration inspection and control system 5；
In traditional radial-flow sedimentation tank：Radial-flow sedimentation tank main body 1 '；Mixed liquor water inlet pipe 101 '；Flooding tube 102 '；Water inlet
Current stabilization baffle plate 103 '；Supernatant outlet pipe 104 '；Sludge bucket 105 '；Mud return line 106 '；Mud discharging pipe 107 '；Rotation is scraped
Mud machine 2 '.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to utility model, but it is not limited to model of the present utility model
Enclose.
Embodiment 1
As shown in Figure 1-2, the present embodiment provides a kind of radial-flow sedimentation tank mud-sucking device, including：
Radial-flow sedimentation tank main body 1, rotation suction dredge 2, compressed air system 3, the detection of suction mud system 4, sludge concentration and control
System processed 5, rotation suction dredge 2 are erected in radial-flow sedimentation tank main body 1, are inhaled mud system 4 and are fixedly connected and energy with rotation suction dredge 2
Rotate together with rotation suction dredge 2, compressed air system 3 is connected with mud system 4 is inhaled, sludge concentration inspection and control system 5 and
Inhale mud system 4 to connect；
Radial-flow sedimentation tank in the present embodiment enters the radial-flow sedimentation tank for going out in week using in, and radial-flow sedimentation tank main body 1 includes mixing
Close liquid water inlet pipe 101, flooding tube 102, water inlet current stabilization baffle plate 103, supernatant outlet pipe 104, mud return line 106 and sludge row
Pipe 107 is put, mixed liquor water inlet pipe 101 is connected with flooding tube 102；
The bottom of radial-flow sedimentation tank main body 1 arranges the sludge sump 105 of multiple tracks annular；Flooding tube 102 is arranged on spoke stream precipitation
The center of tank main body 1, sludge sump 105 are arranged around flooding tube 102.
Sludge sump 105 includes pessimum sludge sump near radial-flow sedimentation tank cell body outer wall, near radial-flow sedimentation tank pond
The benign sludge sump at body center and some intermediate sludge grooves between pessimum sludge sump and benign sludge sump.
In the present embodiment, the section of sludge sump 105 is in inverted trapezoidal wide at the top and narrow at the bottom, two waists of the inverted trapezoidal and level side
To angle be 45 °～60 °.Sludge sump 105 is arranged to the collection that inverted trapezoidal is conducive to sludge.
The section of sludge sump 105 can also be arranged to del, and two waists and the angle of horizontal direction of del are
45 °～60 °.
In the present embodiment, inhaling mud system 4 includes some suction mud vertical tubes 402, backflow/spoil disposal selector valve 403, backflow/spoil disposal
Canal 404, backflow/spoil disposal collecting tank 405, the bottom for inhaling mud vertical tube 402 are provided with mud suction mouth 401, and some suction mud vertical tubes 402 are inserted respectively
Enter in some sludge sumps 105；Sludge concentration inspection and control system 5 is arranged on suction mud vertical tube 402 and is selected with backflow/spoil disposal
Valve 403 connects, and backflow/spoil disposal selector valve 403 is connected and connects with backflow/spoil disposal canal 404, backflow/spoil disposal collecting tank 405 successively
To mud return line 106 and mud discharging pipe 107.
In the present embodiment, backflow/spoil disposal collecting tank 405 is annular return/spoil disposal collecting tank, is arranged around flooding tube 102.
The end of backflow/spoil disposal canal 404 arranges discharge pipeline, and sludge enters 1 center of radial-flow sedimentation tank main body by discharge pipeline
Backflow/spoil disposal collecting tank 405.
Backflow/spoil disposal selector valve 403 includes reflux inlet and mud valve, and backflow/spoil disposal canal 404 includes flow back canal and spoil disposal
Canal, backflow/spoil disposal collecting tank 405 include flow back collecting tank and spoil disposal collecting tank；Mud valve is sequentially connected spoil disposal canal, spoil disposal and collects
Groove, mud discharging pipe；Reflux inlet is sequentially connected backflow canal, backflow collecting tank, mud return line.
When sludge concentration inspection and control system 5 detect sludge for pessimum sludge when, now backflow/spoil disposal selector valve
403 reflux inlet cuts out, mud valve is opened, and sludge is entered in spoil disposal canal, collected by spoil disposal collecting tank, enters mud discharging pipe
107, the system of being then discharged out is disposed；
When sludge concentration inspection and control system 5 detect sludge for benign sludge when, now backflow/spoil disposal selector valve
403 reflux inlet is opened, mud valve is closed, and sludge is entered in backflow canal, and by flowing back, collecting tank is collected, and enters mud return line
106, it is then return in Aeration tank.
In the present embodiment, in order that the sludge concentration highest at mud suction mouth 401, beneficial to the sucking-off of sludge, inhales mud system 4 also
The cleaning shoe that mud vertical tube 402 is connected respectively is inhaled including with some, the cleaning shoe is arranged on the rear of mud suction mouth 401.Cleaning shoe
Arrange can by the sludge collected in sludge sump receive scrape mud suction mouth.
In the present embodiment, compressed air system 3 includes compressed air inlet pipe, some bronchus, air line support
301st, the bronchus valve 303 being arranged in bronchus, and the rotation for being arranged on compressed air inlet pipe and bronchus junction
Turn seal connector 302.
Sludge concentration inspection and control system 5 in the present embodiment includes sludge concentration detecting system and control system, institute
State control system and be connected with the backflow/spoil disposal selector valve 403 for inhaling mud system 4；The sludge concentration detecting system is intelligent dirt
Mud concentration optical method detecting system, can go out discharge the superiority-inferiority of sludge with automatic detection, with the sludge concentration of 6000-9000mg/L
For the boundary boundary line of benign sludge and pessimum sludge, less than this concentration, can be by pessimum sludge discharge system, higher than this concentration
, can utilize by benign sludge reflux.Excellent, bad sludge go out to flow direction by flowing back/the keying control of spoil disposal selector valve 403, return
The keying of stream/spoil disposal selector valve 403 is linked with sludge concentration inspection and control system 5.
Benign sludge sump is benign sludge concentration highest region, inhales the suction mud vertical tube that mud system is located in benign sludge sump
One reflux inlet can be only set and be only responsible for control returned sludge flow without arranging mud valve, the valve.
The sludge concentration detecting system can also be people's drum sludge concentration detecting system, discharge the superiority-inferiority of sludge
Manual detection SV value can be passed through and SVI values judge.
The specific workflow of the radial-flow sedimentation tank in the present embodiment is as follows：
The muddy water mixed solution that Aeration tank is discharged is entered in radial-flow sedimentation tank main body 1 by mixed liquor water inlet pipe 101, along water inlet
Cylinder 102 rises, and after current stabilization baffle plate 103 of intaking reflects enters Disengagement zone.Larger, the closely knit benign sludge settling of granule is in
In sludge sump 105 near heart cylinder, less, the lighter pessimum sludge settling of granule is in central tube sludge sump 105 farther out.
Then the sludge in each sludge sump 105 is suctioned out by inhaling mud system 4, benign sludge Jing mud suction mouths 401, inhales mud
Vertical tube 402, backflow/spoil disposal selector valve 403 (now reflux inlet is opened, mud valve is closed) enter the backflow of backflow/spoil disposal canal 404
In canal, collected by the backflow collecting tank of backflow/spoil disposal annular collection trough 405, enter mud return line 106, be then return to expose
In gas pond.And the sludge Jing mud suction mouths 40 of pessimum, inhale mud vertical tube 402, backflow/spoil disposal selector valve 403 (now reflux inlet closing,
Mud valve is opened and is entered in the spoil disposal canal of backflow/spoil disposal canal 404, by the spoil disposal annular collection trough of backflow/spoil disposal collecting tank 405
Collect, enter mud discharging pipe 107, the system of being then discharged out is disposed.
The power resources for inhaling mud system 4 of the present embodiment are in compressed air system 3.Compressed air by pond outside aerator or
Air pump is provided, and compressed air piping is deployed to the surface at 1 center of radial-flow sedimentation tank main body, passes through along air line support 301
After rotary seal connection 302 and the connection of 303 pipeline of bronchus valve, access and inhale mud vertical tube 402.Under gas stripping, sludge
Mud system 4 is inhaled by bottom of pond suction.
The superiority-inferiority for discharging sludge detects judgement by sludge concentration inspection and control system 5, with the dirt of 6000-9000mg/L
Boundary boundary line of the mud concentration as benign sludge and pessimum sludge, less than this concentration, by pessimum sludge discharge system can be higher than
This concentration, can utilize by benign sludge reflux.Excellent, bad sludge go out to flow direction by flowing back/the keying control of spoil disposal selector valve 403
System, keying and the sludge concentration inspection and control system 5 of backflow/spoil disposal selector valve 403 link.
Embodiment 2：Comparative example
As shown in figure 4, the present embodiment provide it is a kind of it is traditional in enter the radial-flow sedimentation tank for going out in week, including radial-flow sedimentation tank master
Body 1 ' and rotation mud scraper 2 ', rotate the top that mud scraper 2 ' is erected at radial-flow sedimentation tank main body 1 '；Radial-flow sedimentation tank main body 1 '
Including mixed liquor water inlet pipe 101 '；Flooding tube 102 '；Water inlet current stabilization baffle plate 103 '；Supernatant outlet pipe 104 '；Sludge bucket 105 '；
Mud return line 106 '；Mud discharging pipe 107 '.
During work, " mixed liquor " is led to by the mixed liquor water inlet pipe 101 ' of radial-flow sedimentation tank main body 1 ' in pond first
Flooding tube 102 ' is crossed into the center top in pond, then enters Disengagement zone after current stabilization baffle plate 103 ' of intaking slows down, after precipitation on
Clear liquid discharges second pond by supernatant outlet pipe 104 ', and the sludge that bottom is sunk in pond scrapes sludge through rotation mud scraper 2 '
In bucket 105 ', it is back in Aerobic Pond by mud return line 106 ' and continues with sewage, or passes through mud discharging pipe 107 '
Discharge system is disposed outward.
The workflow block diagram of the traditional radial-flow sedimentation tank provided in embodiment 2 is as shown in fig. 6, the function of the sedimentation tank is
Sewage (supernatant) after separated sludge and process, for returned sludge and discharge sludge do not have selectivity.
And the workflow block diagram of the radial-flow sedimentation tank in this utility model embodiment 1 is as shown in figure 5, the work(of the sedimentation tank
Can separated sludge and the sewage (supernatant) after processing, excellent sludge and sludge inferior can also mutually be divided
From so as to ensure that returned sludge is excellent sludge, discharge sludge is sludge inferior, so as to improve the biology in Aeration tank
Concentration and biological activity, improve the removal ability of Aeration tank, reduce sludge bulking generation (pessimum sludge ratio raise,
As sludge bulking).
In enter to go out in week mud granule movement locus when radial-flow sedimentation tank works as shown in figure 3, because sludge age is longer, go
Depollution thing load higher (except COD, except ammonia nitrogen etc.), the mud granule of function admirable are larger, and sedimentation velocity is very fast, in level stream
When speed is constant, excellent sludge can be from pond center more recently.Understand in the same manner：It is to sink the most fast granule of speed most that circuit A is settled in figure
Big sludge settling circuit；B is the larger sludge settling circuit of the heavy very fast granule of speed, and C is the less sludge of the slower granule of heavy speed
Sedimentation circuit；D is the split circuit of water in mixed liquor.
The radial-flow sedimentation tank of embodiment 1 arranges multiple tracks ring-shaped groove sludge sump 105 in cell body bottom, selectively separates
The different sludge of settleability；The closer to cell body outer wall, the settling property of sludge is poorer, the closer to pool center, the sedimentation of sludge
Performance is better.The setting of sludge sump 105, while the concentration of pool bottom sludge can also be increased, reduces the quantity of mud suction mouth so that control
It is convenient.
Enter the sludge distribution rule for going out radial-flow sedimentation tank in week according in：The closer to cell body outer wall, the settling property of sludge is got over
Difference, the closer to pool center, the settling property of sludge is better；In the bottom of radial-flow sedimentation tank main body, some sludge sumps 105 are set,
Sludge (the less sludge of the granule) performance collected near in the pessimum sludge sump of radial-flow sedimentation tank cell body outer wall is poorer, sedimentation
Speed is also slower；Sludge (the larger sludge of the granule) property collected the closer in the benign sludge sump of radial-flow sedimentation tank pool center
Can be better, sedimentation velocity is also faster, therefore different sludge sumps 105 can collect the sludge of different shape and performance.
In order that rotation mud scraper 2 ' can enter sludge scraping in sludge bucket 105 ' in embodiment 2, the bottom of tank main body is necessary
Certain gradient is set, and the precipitation tank main body in embodiment of the present utility model 1 can be arranged to flat, be easier in technique
Realize.
Additionally, mud system 4 of inhaling is arranged in embodiment 1, and backflow/spoil disposal is set on the suction mud vertical tube 402 for inhaling mud system 4
Selector valve 403, backflow/spoil disposal selector valve 403 include reflux inlet and mud valve, can be detected according to sludge concentration detecting system
The sludge concentration for going out can select to be back to biological treatment system or discharge system to the sludge whereabouts for controlling to discharge.
Embodiment 1 carries out air stripping spoil disposal using control more than one line of external compressed air source, the maintenance and management of equipment of being more convenient for.
Rotary seal connection 302 is set in compressed air inlet pipe and bronchus junction, the component is arranged at rotation suction dredge 2 and revolves
Turn the surface at center, be capable of achieving the sealing and flexible connection of two ends pipe fitting.
Sludge concentration measurement and control system 5 is set in embodiment 1, using optical method for the concentration for discharging sludge is carried out
Detection, judges the superiority-inferiority of sludge according to the concentration of mud, so as to control the reflux inlet of the both sides of backflow/spoil disposal selector valve 403 with
The open degree of mud valve, controls the ratio of the discharge sludge of diverse location.Round-the-clock sludge monitoring and control can be realized, it is ensured that
The selectivity of the good and bad sludge under different service conditions.
Embodiment 3
As shown in fig. 7, the present embodiment provides another kind of radial-flow sedimentation tank mud-sucking device of the present utility model, the present embodiment with
The difference of embodiment 1 is：
Radial-flow sedimentation tank in the present embodiment goes out radial-flow sedimentation tank for Zhou Jinzhou, and flooding tube 102 is arranged on radial-flow sedimentation tank
The periphery of main body 1, sludge sump 105 are arranged around the bottom centre of precipitation tank main body 1.
Enter the mud granule motion principle for going out radial-flow sedimentation tank in week with：Sludge age is longer, it is higher to remove pollutant burden
(except COD, except ammonia nitrogen etc.), the mud granule of function admirable are larger, and sedimentation velocity is very fast, therefore as shown in figure 1, settlement curve in figure
Road A is the maximum sludge settling circuit of the most fast granule of heavy speed；B is the larger sludge settling circuit of the heavy very fast granule of speed, and C is heavy speed
The less sludge settling circuit of slower granule；D is the split circuit of water in mixed liquor.
Therefore it is pessimum sludge sump near 1 center of radial-flow sedimentation tank main body, near 1 outer wall of radial-flow sedimentation tank main body
For benign sludge sump.
In engineering, when the radial-flow sedimentation tank of circumferential water feed peripheral effluent is adopted in the present embodiment and embodiment, inhale mud arrangement
Form (benign sludge reflux, pessimum sludge are discharged) identical with control mode, in the sludge sump of outermost side bottom be simply
The excellent sludge of settling property, and be the poor sludge of settling property in the mud groove on the inside of pool center.
Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model can also
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed this utility model.This utility model will
Protection domain is asked to be defined by appending claims and its equivalent.
Claims (10)
1. a kind of radial-flow sedimentation tank mud-sucking device, it is characterised in that include：
Radial-flow sedimentation tank main body, rotation suction dredge, compressed air system, suction mud system, sludge concentration inspection and control system,
The rotation suction dredge is erected in radial-flow sedimentation tank main body, and the suction mud system is fixedly connected and energy with rotation suction dredge
Rotate together with rotation suction dredge, the compressed air system is connected with mud system is inhaled, the sludge concentration detection and control are
System is connected with mud system is inhaled；
The radial-flow sedimentation tank main body includes mixed liquor water inlet pipe, flooding tube, water inlet current stabilization baffle plate, supernatant outlet pipe, sludge
Return duct and mud discharging pipe, mixed liquor water inlet pipe are connected with flooding tube；
The bottom of the radial-flow sedimentation tank main body arranges the sludge sump of multiple tracks annular.
2. a kind of radial-flow sedimentation tank mud-sucking device according to claim 1, it is characterised in that
The radial-flow sedimentation tank enters to go out in week in being radial-flow sedimentation tank, and the flooding tube is arranged on the center of radial-flow sedimentation tank main body,
The sludge sump is arranged around flooding tube；
Or, the radial-flow sedimentation tank goes out radial-flow sedimentation tank for Zhou Jinzhou, and the flooding tube is arranged on radial-flow sedimentation tank main body
Periphery, the sludge sump are arranged around the bottom centre of precipitation tank main body.
3. a kind of radial-flow sedimentation tank mud-sucking device according to claim 2, it is characterised in that
The sludge sump includes pessimum sludge sump, benign sludge sump and some intermediate sludge grooves；
Enter in described and go out in week in radial-flow sedimentation tank, pessimum sludge sump is arranged near the outer wall of radial-flow sedimentation tank main body, benign dirt
Mud groove is centrally disposed near radial-flow sedimentation tank main body；
The Zhou Jinzhou goes out in radial-flow sedimentation tank, and pessimum sludge sump is centrally disposed near radial-flow sedimentation tank main body, benign dirt
Mud groove is arranged near the outer wall of radial-flow sedimentation tank main body.
4. a kind of radial-flow sedimentation tank mud-sucking device according to claim 1, it is characterised in that
The section of the sludge sump is in the two of inverted trapezoidal wide at the top and narrow at the bottom or del, the inverted trapezoidal or del
Waist is 45 °～60 ° with the angle of horizontal direction.
5. a kind of radial-flow sedimentation tank mud-sucking device according to claim 1, it is characterised in that
The suction mud system includes some suction mud vertical tubes, backflow/spoil disposal selector valve, backflow/spoil disposal canal, backflow/spoil disposal collecting tank,
The bottom for inhaling mud vertical tube is provided with mud suction mouth, and some suction mud vertical tubes are inserted in some sludge sumps respectively；The sludge is dense
Degree inspection and control system is arranged on suction mud vertical tube and is connected with backflow/spoil disposal selector valve, backflow/spoil disposal selector valve successively with
Backflow/spoil disposal canal, backflow/spoil disposal collecting tank connect and are connected to mud return line and mud discharging pipe.
6. a kind of radial-flow sedimentation tank mud-sucking device according to claim 5, it is characterised in that
The backflow/spoil disposal collecting tank is annular return/spoil disposal collecting tank, around the centrally disposed of precipitation tank main body；
The end of the backflow/spoil disposal canal arranges discharge pipeline, and sludge enters returning for radial-flow sedimentation tank main center by discharge pipeline
Stream/spoil disposal collecting tank.
7. a kind of radial-flow sedimentation tank mud-sucking device according to claim 5, it is characterised in that
The backflow/spoil disposal selector valve includes reflux inlet and mud valve, and the backflow/spoil disposal canal includes flow back canal and spoil disposal canal,
The backflow/spoil disposal collecting tank includes flow back collecting tank and spoil disposal collecting tank；Mud valve is sequentially connected spoil disposal canal, spoil disposal and collects
Groove, mud discharging pipe；Reflux inlet is sequentially connected backflow canal, backflow collecting tank, mud return line.
8. a kind of radial-flow sedimentation tank mud-sucking device according to claim 5, it is characterised in that
The mud system of inhaling also includes inhaling the cleaning shoe that mud vertical tube is connected respectively with some, and the cleaning shoe is arranged on mud suction mouth
Rear.
9. a kind of radial-flow sedimentation tank mud-sucking device according to claim 1, it is characterised in that
The compressed air system includes compressed air inlet pipe, some bronchus, air line support, is arranged in bronchus
Bronchus valve, and the rotary seal connection for being arranged on compressed air inlet pipe and bronchus junction.
10. a kind of radial-flow sedimentation tank mud-sucking device according to claim 5, it is characterised in that
The sludge concentration inspection and control system includes sludge concentration detecting system and control system, the control system and suction
The backflow of mud system/spoil disposal selector valve connection；
The sludge concentration detecting system can also be able to be people's drum sludge for intelligent sludge concentration optical method detecting system
Concentration detection system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115267.6U CN206063876U (en) | 2016-10-12 | 2016-10-12 | A kind of radial-flow sedimentation tank mud-sucking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115267.6U CN206063876U (en) | 2016-10-12 | 2016-10-12 | A kind of radial-flow sedimentation tank mud-sucking device |
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| CN206063876U true CN206063876U (en) | 2017-04-05 |
Family
ID=58440783
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| CN201621115267.6U Withdrawn - After Issue CN206063876U (en) | 2016-10-12 | 2016-10-12 | A kind of radial-flow sedimentation tank mud-sucking device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345152A (en) * | 2016-10-12 | 2017-01-25 | 北京华夏大禹科技有限公司 | Sludge suction device of radial-flow sedimentation tank |
| CN107100251A (en) * | 2017-05-13 | 2017-08-29 | 广东恒辉生态园林有限公司 | Underground storage device and the storm-water system and construction technology in sponge city |
| CN107754395A (en) * | 2017-10-13 | 2018-03-06 | 瀚蓝环境股份有限公司 | A kind of sludge discharging method, sludge drainage system and sludge discharging machine |
| CN108159740A (en) * | 2017-12-29 | 2018-06-15 | 安徽蓝清源环境科技有限公司 | A kind of sedimentation basin improved structure |
| CN110124365A (en) * | 2019-05-22 | 2019-08-16 | 山东天和纸业有限公司 | A kind of detention tank sludge drainage system easy to maintain |
| CN112090123A (en) * | 2020-09-27 | 2020-12-18 | 合肥战果科技有限公司 | Sewage treatment secondary sedimentation tank sludge cleaning device |
| CN115639125A (en) * | 2022-12-26 | 2023-01-24 | 四川薪火恒创科技有限公司 | Sludge concentration detection system and method |
-
2016
- 2016-10-12 CN CN201621115267.6U patent/CN206063876U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345152A (en) * | 2016-10-12 | 2017-01-25 | 北京华夏大禹科技有限公司 | Sludge suction device of radial-flow sedimentation tank |
| CN106345152B (en) * | 2016-10-12 | 2019-02-19 | 北京华夏大禹科技有限公司 | A kind of radial-flow sedimentation tank mud-sucking device |
| CN107100251A (en) * | 2017-05-13 | 2017-08-29 | 广东恒辉生态园林有限公司 | Underground storage device and the storm-water system and construction technology in sponge city |
| CN107100251B (en) * | 2017-05-13 | 2019-10-25 | 广东恒辉生态园林有限公司 | The storm-water system and construction technology of underground storage device and sponge city |
| CN107754395A (en) * | 2017-10-13 | 2018-03-06 | 瀚蓝环境股份有限公司 | A kind of sludge discharging method, sludge drainage system and sludge discharging machine |
| CN108159740A (en) * | 2017-12-29 | 2018-06-15 | 安徽蓝清源环境科技有限公司 | A kind of sedimentation basin improved structure |
| CN110124365A (en) * | 2019-05-22 | 2019-08-16 | 山东天和纸业有限公司 | A kind of detention tank sludge drainage system easy to maintain |
| CN112090123A (en) * | 2020-09-27 | 2020-12-18 | 合肥战果科技有限公司 | Sewage treatment secondary sedimentation tank sludge cleaning device |
| CN115639125A (en) * | 2022-12-26 | 2023-01-24 | 四川薪火恒创科技有限公司 | Sludge concentration detection system and method |
| CN115639125B (en) * | 2022-12-26 | 2023-10-20 | 四川薪火恒创科技有限公司 | Sludge concentration detection system and method |
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