CN207511912U - A kind of pusher reaction unit for cultivating aerobic particle mud - Google Patents
A kind of pusher reaction unit for cultivating aerobic particle mud Download PDFInfo
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- CN207511912U CN207511912U CN201721590710.XU CN201721590710U CN207511912U CN 207511912 U CN207511912 U CN 207511912U CN 201721590710 U CN201721590710 U CN 201721590710U CN 207511912 U CN207511912 U CN 207511912U
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- aeration
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- particle mud
- aerobic particle
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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
Abstract
The utility model belongs to sewage aerobic biochemical processing field, is concretely related to a kind of pusher reaction unit for cultivating aerobic particle mud.Its main technical schemes：Reaction vessel interior is made of according to reaction direction of propulsion settling zone, progressive aeration zone and aerobic particle mud Disengagement zone successively, wherein, the bottom setting of settling zone is used for the water distribution system continuously promoted, progressive aeration zone has separation baffles with settling zone, and separation baffles are crossed over flow by the sludge group formed in settling zone；Progressive aeration zone bottom sets progressive aerating system, and the aeration head of progressive aerating system is uniformly arranged on progressive aeration zone bottom, and the gradual increase of direction aeration intensity promoted along reaction；Aerobic particle mud Disengagement zone sets cone bucket, and cone bucket top connection secondary settling tank, the cone bucket lower part is connected with the inlet channel of water distribution system.The push type reaction unit culture aerobic particle mud has the characteristics that the various complicated water quality of adaptation, continuous flow culture effect are good.
Description
Technical field
The utility model belongs to sewage aerobic biochemical processing field, and it is dirty to be concretely related to a kind of culture aerobic grain
The pusher reaction unit of mud.
Background technology
Aerobic biochemical is biochemical wastewater treatment technology commonly used at present, and activated sludge is the main body of aerobic biochemical.But
It is low to there is operation volumetric loading using the aerobic biochemical system of activated sludge process, it is impossible to the shortcomings that synchronous denitrification dephosphorizing, and use
Biomembrane aerobic biochemical system, with coming off, influences the even running of system, needs replacing filler there are the periodic biofilm of filler
With repair aerating system.
Aerobic Granular Sludge Technology（Aerobic Granular Sludge, AGS）It is one to grow up in recent decades
Kind novel microbial self-retaining technology is that the graininess microorganism self-coagulation come is turned out in aerobic sewage disposal system
Body.Compared with traditional active sludge, aerobic particle mud is because of its close structure, settling property is good, processing load is high, shock resistance energy
Power is strong, can synchronous denitrification dephosphorizing, the advantages that sludge bulking is less likely to occur sludge in system and have a good application prospect,
Have become the research hotspot in biochemical wastewater treatment technique.
The key of aerobic particle mud treatment technology is the culture of aerobic particle mud, however, aerobic particle mud is past
Toward being not easily formed, due to operating load variation, the change into factors such as system, aeration intensities of poisonous and harmful substance after formation
Change easily solution wadding, this just seriously limits the application of the technology in practice.
In the prior art, CN102219297A discloses a kind of fast culture process of aerobic particle mud, and this method is
Sewage is pumped by the water inlet of reactor bottom in reactor by the inoculation of activated-sludge in sequencing batch reactor, successively into
Row aeration-precipitation-draining, wherein flooding time and water discharge time range are organic negative in 1-120min, sedimentation time 0-15min
Lotus is higher than 1.5g/L d, and step is intake to be run repeatedly by the period in the reactor to step draining, and this method can be real in 1-2 weeks
The granulating of existing aerobic sludge.
CN102153192A discloses a kind of reinforcing method for culturing aerobic granular sludge, and this method is anti-in gas stripping type interval
Answer device（SBAR）Bottom outside symmetrical permanent magnet is installed, inside reactor is made to generate stable static magnetic field, at the same to
Cotton-shaped aerobic activated sludge is added in SBAR reactors as kind of a mud, carries out the culture of aerobic particle mud, SBAR presses water inlet-exposure
The mode of gas-sedimentation-draining is run, and this method can accelerate the formation of aerobic particle mud.
The technical solution of above-mentioned patent is although realize the granulating of aerobic sludge, and there are the following problems：First,
The waste water for cultivating aerobic particle mud prepares sewage using laboratory, needs to add in all types of nutritive salt, increases system
Operating cost, the waste water difference for preparing sewage and actual treatment is very big, therefore is difficult the variation for adapting to condition of water quality；Second,
The equipment that cultural method uses is batch-type or batch reactor, it is impossible in the aerobic aeration pond being widely used or oxidation ditch
Complete mixing flows or pulling flow type flow reactor is waited to use；Third, it needs to set special running unit or reactor in systems
Itself is complicated, cost is high, and production run is caused to be not sufficiently stable, and what is had can only run under test conditions, it is difficult to be generalized to
Commercial Application.
Utility model content
The purpose of this utility model, which is just to provide, a kind of adapts to various complicated water quality, continuous flow culture aerobic particle mud
Pusher reaction unit.
To achieve the above object, technical solution is used by the utility model：
A kind of pusher reaction unit for cultivating aerobic particle mud, it is characterised in that：Reaction vessel interior is according to reaction
Direction of propulsion is made of successively settling zone, progressive aeration zone and aerobic particle mud Disengagement zone, wherein, the bottom of the settling zone
Setting is for the water distribution system continuously promoted, and the progressive aeration zone has separation baffles with the settling zone, in the precipitation
The separation baffles are crossed over flow by the sludge group that area is formed；The progressive aeration zone bottom sets progressive aerating system, described
The aeration head of progressive aerating system is uniformly arranged on the progressive aeration zone bottom, and the direction aeration intensity promoted along reaction
Gradually increase；The aerobic particle mud Disengagement zone sets cone bucket, and the cone bucket top connects secondary settling tank, the cone bucket lower part with
The inlet channel connection of the water distribution system.
A kind of above-mentioned additional technical feature for cultivating aerobic particle mud push type reaction unit is formed to further include：
--- the length of the settling zone accounts for the 1/10 to 1/8 of the reaction vessel length；The aerobic particle mud point
Length from area accounts for the 1/20 of reaction vessel length；
--- the first flow rate of liquid sensor is set in the settling zone, the company of setting on the inlet channel of the water distribution system
The water pump of frequency converter is connect, the water distribution system includes the water distributor set in the progressive aeration zone；
--- the progressive aerating system, which includes the aeration consistent with direction of propulsion, to be responsible for, and one end of the aeration supervisor connects
Air compressor is connect, the aeration supervisor is uniformly arranged the number row vertical with direction of propulsion in the bottom of the progressive aeration zone and exposes
Gas branch pipe, the aeration head are uniformly arranged on the pipe shaft of the aeration branch pipe, and the aeration branch pipe front end sets solenoid valve,
The solenoid valve rear end sets air flow meter, and the solenoid valve is used to control the air mass flow in aeration branch pipe；
--- positioned at the progressive aeration zone front end aeration branch pipe aeration intensity for 10m3/ ㎡ .h, positioned at it is described gradually
Aeration intensity into the aeration branch pipe of aeration zone rear end is 25m3/ ㎡ .h；
--- the cone bucket includes swinging inclined plate, and the swing inclined plate forms longitudinal section to fall with rectangle reaction vessel end
Contour axostylus axostyle is fixedly installed in trapezoidal space, the both sides for swinging inclined plate, and institute is arranged on the bearing of axostylus axostyle cooperation
It states on the side wall of reaction vessel, the axostylus axostyle is driven by motor and rotated, and the cone bucket is punished in bottom inlet and top exit
Second, third flow rate of liquid sensor is not set；
--- electric cabinet is further included, the electric cabinet receives the air flow meter and first, second, third flow rate of liquid
The signal of sensor feedback sends out instruction from the electric cabinet to the frequency converter, solenoid valve and motor.
It is provided by the utility model it is a kind of cultivate aerobic particle mud pusher reaction unit compared with prior art,
It has the following advantages：First, due to inside the push type reaction unit according to direction of propulsion successively by settling zone, progressive aeration zone
It is formed with aerobic particle mud Disengagement zone, the bottom setting water distribution system of settling zone, progressive aeration zone has with the settling zone
The water inlet pipe of separation baffles, aerobic particle mud Disengagement zone setting cone bucket, upper part connection secondary settling tank, its underpart and water distribution system
Road connects, and the complete equipment structure setting is simple, and production cost is few；Second, due to setting progressive aeration in progressive aeration zone bottom
System, the aeration head of progressive aerating system are uniformly arranged on progressive aeration zone bottom, and be aerated by force along the direction that reaction promotes
Degree gradually increase, convenient for formed structure it is more closely knit, not legibility wadding aerobic particle mud；It is filled third, being reacted in the push type
Middle culture aerobic particle mud is put, is divided into precipitation, progressive aeration, aerobic particle mud separation, reflux, realizes continuous
Stream culture aerobic particle mud adapts to various complicated water quality, produces wide adaptation range；Fourth, the push type reaction unit for
Complicated water quality is adaptable, can be applied to the sewage disposal of most types, and stable, and it is dirty easily to form particle
Mud is the pattern of the aerobic particle mud operation of thick mad formula, does not need to special addition nutritive salt and the special running unit of setting, no
The interference of other operation factors such as particular concern operating load is needed, and overcomes sequencing batch reactor and batch reactor
Run the shortcomings that complicated for operation or automatic control is horizontal more demanding, it is easy to be generalized to industrialized production.
Description of the drawings
Fig. 1 is a kind of pusher reaction unit for cultivating aerobic particle mud of the utility model（It is horizontal）Structural representation
Figure；
Fig. 2 is the overlooking the structure diagram of the progressive aerating system in the progressive aeration zone of push type reaction unit；
Fig. 3 is another structural representation of the cone bucket in the push type reaction unit aerobic particle mud Disengagement zone
Figure；
Fig. 4 is the overlooking the structure diagram of cone bucket structure shown in Fig. 3.
Specific embodiment
Below in conjunction with the accompanying drawings to a kind of pusher reaction unit for cultivating aerobic particle mud provided by the utility model
Structure be described in further detail.
As shown in Figure 1, for a kind of pusher reaction unit for cultivating aerobic particle mud provided by the utility model
Structure diagram.Form inside the reaction vessel 1 of the push type reaction unit according to reaction direction of propulsion successively by settling zone 11,
Progressive aeration zone 12 and aerobic particle mud Disengagement zone 13 are formed, wherein, the bottom setting of settling zone 11 is used for what is continuously promoted
Water distribution system 111, progressive aeration zone 12 have separation baffles 2 with settling zone 11, are rolled into a ball in the sludge that settling zone 11 is formed with flow
Across separation baffles 2；Progressive 12 bottom of aeration zone sets progressive aerating system 121, the aeration head 1211 of progressive aerating system 121
Progressive 12 bottom of aeration zone is uniformly arranged on, and the direction aeration intensity promoted along reaction increases step by step；Aerobic particle mud
Disengagement zone 13 sets cone bucket 131,131 top of cone bucket connection secondary settling tank 3,131 lower part of cone bucket and the inlet channel of water distribution system 111
1111 connections.
Its operation principle is：
Step 1 obtains BOD loading, according to sludge loading 0.1kgBOD/kgMLSS.d by the sludge concentration of settling zone 11
Determine to inject the water in reaction vessel 1 by water distribution system 111 for standard, by the gravity of activated sludge from compress make it is cotton-shaped
Body sludge is in close contact, and by self-flocculation, and floc sludge forms the sludge group of loose bulk, until sludge group is more excessive
Baffles 2 enter progressive aeration zone 12；
Step 2, sludge group in progressive aeration zone 12 is by being gradually increased the side of aeration intensity along reaction direction of propulsion
Formula ultimately forms closely knit aerobic particle mud structure, the water distribution set by water distribution system 111 in progressive 12 bottom of aeration zone
The injection of device 1112 maintains the water of sludge activity, and it is 0.1kgBOD/kgMLSS.d to make sludge loading；
Step 3 enters the cone of aerobic particle mud Disengagement zone 13 in the mud mixture that progressive 12 end of aeration zone is formed
Bucket 131 rises from its bottom and flows, due to the current difference of 131 bottom and top of cone bucket, floc sludge by cone bucket 131 top
Secondary settling tank 3 is entered, aerobic particle mud then flows back into settling zone 11 by the bottom of cone bucket 131；
Step 4, the floc sludge in secondary settling tank 3 are flowed back into through water distribution system 111 in settling zone 11, the dirt of settling zone 11
The floc sludge of reflux is retained to form Sludge Bed by walk；
Step 1 is repeated to step 4, pusher reaction unit continuous service is until activated sludge all granulates.
--- in order to realize the reaction effect in settling zone 11, progressive aeration zone 12 and aerobic particle mud Disengagement zone 13,
The trizonal ratio of reasonable distribution, the length of above-mentioned settling zone 11 account for the 1/10 to 1/8 of 1 length of reaction vessel；Aerobic grain
The length of sludge Disengagement zone 13 accounts for the 1/20 of 1 length of reaction vessel；
--- in order to preferably activated sludge be promoted to precipitate, pressed certainly by gravity by the flock sludge that autoflocculation is formed
Contracting, which is compared, to be closely contacted, the first flow rate of liquid sensor 112 of setting, the water inlet pipe of water distribution system 111 in above-mentioned settling zone 11
The water pump 114 of setting connection frequency converter 113, i.e., changed the power of water pump 114 by frequency converter 113, make settling zone on road 1111
11 upflow velocity is controlled between 0.1-0.3m/h, can effectively maintain sludge activity, be easy to floc sludge formed it is loose, big
The sludge group of block, consequently facilitating into progressive aeration zone 12；
--- as shown in Fig. 2, in order to realize in progressive aeration zone 12 with reaction direction of propulsion, the aeration of aeration head 1211
Intensity is gradually increased, and above-mentioned progressive aerating system 121 includes the aeration supervisor 1212 consistent with direction of propulsion, aeration supervisor 1212
One end connection air compressor 1213, aeration supervisor 1212 is uniformly arranged in the bottom of progressive aeration zone 12 and hangs down with direction of propulsion
Straight number row's aeration branch pipe 1214, aeration head 1211 is uniformly arranged on the pipe shaft of aeration branch pipe 1214, before aeration branch pipe 1214
Setting solenoid valve 1215 in end sets air flow meter 1216 in 1215 rear end of solenoid valve, and solenoid valve 1215 is for control aeration branch
Air mass flow in pipe 1214；
--- it is 10m3/ to flow out the sewage rolled into a ball containing sludge from settling zone 11 to pass through progressive 12 front end aeration intensity of aeration zone
㎡ .h, and as reaction promotes, the aeration intensity of progressive 12 end of aeration zone is progressive to be increased to 25m3/ ㎡ .h, aeration intensity
It increases step by step and is conducive to the loose aerobic particle mud of progressive 12 leading portion of aeration zone legibility is not wadded a quilt with cotton, progressive 12 back segment of aeration zone
Aerobic particle mud forms fine and close structure, and pusher reaction unit end can also be according to progressive 12 dissolved oxygen concentration of aeration zone
Appropriate to reduce aeration intensity, to save power consumption, this is substantially without side-effects to the formation of aerobic particle mud；
--- as shown in Figure 3, Figure 4, above-mentioned cone bucket 131 includes swinging inclined plate 1311, swings inclined plate 1311 and is reacted with rectangle
1 end of container forms the space that longitudinal section is inverted trapezoidal, and contour axostylus axostyle 1312 is fixedly installed in the both sides for swinging inclined plate 1311, with
The bearing 1313 that axostylus axostyle 1312 coordinates is arranged on the side wall 1314 of reaction vessel 1, and axostylus axostyle 1312 is by motor 1315 with turn
Dynamic, cone bucket 131 sets second, third flow rate of liquid sensor respectively at bottom inlet and top exit（1316、1317）, i.e.,
Pass through second, third flow rate of liquid sensor（112、1316、1317）Above-mentioned flow velocity is grasped, axostylus axostyle is driven by motor 1315
1312 rotations, swing swing inclined plate 1311 to adjust the area of 131 bottom inlet of cone bucket and top exit, make to enter cone bucket
The upflow velocity of the mud mixture of 131 bottoms is 1.5-2.5m/h, and 131 top upflow velocity of cone bucket is gradually lowered to 0.8-
1.25m/h has the floc sludge and water of smaller density, enters secondary settling tank 3, aerobic particle mud is directly from cone bucket in this way
131 bottoms are flowed back into the settling zone 11 of reaction vessel 1, and such aerobic particle mud will not be flowed because of being taken away by outputted aerobic water
It loses, completes a cycle of continuous-flow aerobic granular sludge culture；
During experiment, there is more a small amount of loose granule sludge in entire reaction vessel 1 within first day, continuously cultivates 4-
After 5 days, occur more discrete particles sludge in reaction vessel 1, the color of sludge is yellowish-brown, this period sludge form by
Ordinary activated sludge changes to granulating.Within the subsequent time, granule sludge constantly largely occurs, grows up, settling property after
Continuous to improve, volume, quality also constantly increase.The preferable cotton-shaped and part of settling property is formed after operation 10 days, in reaction vessel 1
Granule sludge.Reaction unit continuous operation one month or so, ordinary activated sludge almost realizes granulating.
--- this push type reaction unit further includes electric cabinet（It is not indicated in attached drawing）, electric cabinet reception air flow meter
1216 and first, second, third flow rate of liquid sensor（1316、1317）The signal of feedback, and to frequency converter 113, solenoid valve
1215 and motor 1315 send out instruction, i.e., air flow meter 1216 feeds back the air mass flow in aeration branch pipe 1214, electric cabinet
Increase exposure step by step by adjusting the size of each solenoid valve 1215 to reach the aeration head 1211 being located in progressive aeration zone 12
The purpose of gas intensity；Upflow velocity in first flow rate of liquid sensor 112 feedback settling zone 11, electric cabinet adjusts and water pump
The frequency converter 113 of 114 connections has obtained scheduled upflow velocity；Secondth, second liquid sensor detects 131 bottom of cone bucket respectively
Upflow velocity at entrance and top exit, electric cabinet is by controlling motor 1315 to drive the axostylus axostyle 1312 of swing inclined plate 1311
Rotation adjusts the water-outlet area of 131 bottom inlet of cone bucket and top exit, realizes what aerobic particle mud was detached with floc sludge
Effect.
Claims (7)
1. a kind of pusher reaction unit for cultivating aerobic particle mud, it is characterised in that：Reaction vessel interior is pushed away according to reaction
It is made of successively settling zone, progressive aeration zone and aerobic particle mud Disengagement zone into direction, wherein, the bottom of the settling zone is set
The water distribution system for continuously promoting is put, the progressive aeration zone has separation baffles with the settling zone, in the settling zone
The separation baffles are crossed over flow by the sludge group of formation；The progressive aeration zone bottom sets progressive aerating system, it is described gradually
Aeration head into aerating system is uniformly arranged on the progressive aeration zone bottom, and along the direction aeration intensity that reaction promotes by
Grade increase；The aerobic particle mud Disengagement zone sets cone bucket, and the cone bucket top connects secondary settling tank, the cone bucket lower part and institute
State the inlet channel connection of water distribution system.
2. a kind of pusher reaction unit for cultivating aerobic particle mud according to claim 1, it is characterised in that：It is described
The length of settling zone accounts for the 1/10 to 1/8 of the reaction vessel length；The length of the aerobic particle mud Disengagement zone accounts for reaction
The 1/20 of container length.
3. a kind of pusher reaction unit for cultivating aerobic particle mud according to claim 1, it is characterised in that：It is described
First flow rate of liquid sensor in settling zone is set, the water pump of connection frequency converter is set on the inlet channel of the water distribution system,
The water distribution system includes the water distributor set in the progressive aeration zone.
4. a kind of pusher reaction unit for cultivating aerobic particle mud according to claim 1, it is characterised in that：It is described
Progressive aerating system, which includes the aeration consistent with direction of propulsion, to be responsible for, one end connection air compressor of the aeration supervisor, institute
It states aeration supervisor and the number row aeration branch pipe vertical with direction of propulsion, the aeration is uniformly arranged in the bottom of the progressive aeration zone
Head is uniformly arranged on the pipe shaft of the aeration branch pipe, and the aeration branch pipe front end sets solenoid valve, in the solenoid valve rear end
Air flow meter is set, and the solenoid valve is used to control the air mass flow in aeration branch pipe.
5. a kind of pusher reaction unit for cultivating aerobic particle mud according to claim 4, it is characterised in that：It is located at
The aeration intensity of the aeration branch pipe of the progressive aeration zone front end be 10m3/ ㎡ .h, the exposure positioned at the progressive aeration zone rear end
The aeration intensity of gas branch pipe is 25m3/ ㎡ .h.
6. a kind of pusher reaction unit for cultivating aerobic particle mud according to any one of claims 1 to 5, feature exist
In：The cone bucket includes swinging inclined plate, and the inclined plate that swings forms the sky that longitudinal section is inverted trapezoidal with rectangle reaction vessel end
Between, contour axostylus axostyle is fixedly installed in the both sides for swinging inclined plate, is arranged on the bearing of axostylus axostyle cooperation and described reacts appearance
On the side wall of device, the axostylus axostyle is driven by motor and rotated, and the cone bucket sets the respectively at bottom inlet and top exit
2nd, third flow rate of liquid sensor.
7. a kind of pusher reaction unit for cultivating aerobic particle mud according to claim 6, it is characterised in that：Also wrap
Electric cabinet is included, the electric cabinet receives the letter of the air flow meter and first, second, third flow rate of liquid sensor feedback
Number, send out instruction from the electric cabinet to the frequency converter, solenoid valve and motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721590710.XU CN207511912U (en) | 2017-11-24 | 2017-11-24 | A kind of pusher reaction unit for cultivating aerobic particle mud |
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| CN201721590710.XU CN207511912U (en) | 2017-11-24 | 2017-11-24 | A kind of pusher reaction unit for cultivating aerobic particle mud |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973398A (en) * | 2017-11-24 | 2018-05-01 | 中粮生化能源（衡水）有限公司 | A kind of pusher reaction unit and its cultural method for cultivating aerobic particle mud |
| CN114735821A (en) * | 2022-03-15 | 2022-07-12 | 广州大学 | Sewage treatment method and system based on continuous flow aerobic granular sludge |
-
2017
- 2017-11-24 CN CN201721590710.XU patent/CN207511912U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973398A (en) * | 2017-11-24 | 2018-05-01 | 中粮生化能源（衡水）有限公司 | A kind of pusher reaction unit and its cultural method for cultivating aerobic particle mud |
| CN114735821A (en) * | 2022-03-15 | 2022-07-12 | 广州大学 | Sewage treatment method and system based on continuous flow aerobic granular sludge |
| CN114735821B (en) * | 2022-03-15 | 2023-04-14 | 广州大学 | Sewage treatment method and system based on continuous flow aerobic granular sludge |
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