CN209052450U - A kind of flat flow multi-bucket sedimentation basin for aerobic particle mud - Google Patents
A kind of flat flow multi-bucket sedimentation basin for aerobic particle mud Download PDFInfo
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- CN209052450U CN209052450U CN201821868020.0U CN201821868020U CN209052450U CN 209052450 U CN209052450 U CN 209052450U CN 201821868020 U CN201821868020 U CN 201821868020U CN 209052450 U CN209052450 U CN 209052450U
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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
The utility model relates to a kind of flat flow multi-bucket sedimentation basins for aerobic particle mud, are equipped with pond body, intake chamber, effluent trough, mud return line and sludge pipe;It is characterized in that: the water inlet end of pond body is equipped with water inlet pipe, intake chamber and cowling panel, water outlet is equipped with overflow-type and is discharged excessive and cowling panel, and pool bottom has several sludge hoppers, and upper edge is oblong openings, each sludge hopper bottom is equipped with Ji Nikou, and the lower end collection Ni Kou is connected to sludge pipe;The sludge pipe lower end is equipped with threeway and time slurry valve, mud valve are connected to mud return line and sludge sludge pipe, is equipped with sludge reflux general export, and returned sludge densimeter and returned sludge flowmeter are equipped at the general export that flows back;Equipped with spoil disposal general export, discharge sludge concentration meter and discharge sludge stream meter are equipped at general export.And it is equipped with PLC controller and automatic control component.The utility model is suitable for the precipitating and rationally discharge of aerobic sludge, has the advantages that structure is simple, control is flexible, Treatment of Sludge effect is good, high-efficient.
Description
Technical field
The utility model belongs to technical field of sewage, and a kind of mudpan is specifically a kind of to be used for aerobic grain
The flat flow multi-bucket sedimentation basin of sludge.
Background technique
Aerobic Granular Sludge Technology is widely used in present sludge treatment technique, it has good heavy
Performance, high sludge concentration are dropped, high organic loading, poisonous and harmful substance, impact load etc. can be born.Portion is needed in its technical process
Divide sludge reflux, partial sludge discharge.And the granulating of aerobic sludge needs continuous reservation weight sludge and light sludge is discharged,
To promote the culture of aerobic particle mud, how to precipitate sludge faster, more reasonably controls the sludge of sludge reflux
Concentration and flow are the important links for guaranteeing that the technique is more efficient.Current research is substantially focused on intermittent activated sludge
Aerobic particle mud is cultivated in method (SBR) reactor, sbr reactor device uses periodic running mode, and mud-water separation is same anti-
It answers in device and carries out.Sedimentation basin has the formation of aerobic particle mud as an important component part in continuous flow process
Very big effect.Monobucket sedimentation basin is unified to all sludge to be focused on, and sludge is not distinguished, so that the quality of returned sludge is not
It can control very well, be unfavorable for the granulating of aerobic sludge.Currently, to the technology for realizing aerobic particle mud under continuum micromeehanics mode
Also occur it is some, such as: Chinese patent: the adjustable two-stage sedimentation basin aerobic particle mud device of CN106430547A-, also
CN205874001U- is used for the radial-flow two-region sedimentation basin of continuous-flow aerobic granular sludge.Their disclosed technologies are for aerobic
The reflux and precipitating of sludge, have the effect of certain, and still, structure and performance also need to improve, and are allowed to aerobic sludge
Reflux and precipitating preferably carried out and controlled, further increase the Treatment of Sludge effect of the technique, improve sewage treatment
Efficiency.
Utility model content
In order to solve the above-mentioned technical problem, it is heavy to provide a kind of flat flow multibuchet for aerobic particle mud for the utility model
Shallow lake pond, the sedimentation basin are conducive to the quick particleization precipitating of aerobic sludge, are more closed using the accurate control structure of the more ponds buckets of continuous flow
Reason precisely controls the reflux of sludge, guarantees returned sludge and discharges the reasonable concentration and flow of sludge, simple with structure,
The advantage that control is flexible, Treatment of Sludge effect is good, high-efficient.
The following technical solution is employed for the utility model:
A kind of flat flow multi-bucket sedimentation basin for aerobic particle mud is equipped with pond body, intake chamber, effluent trough, sludge and returns
Flow tube and sludge pipe;It is characterized in that: be equipped on the inside of the intake chamber that is arranged of the water inlet end of the pond body overflow-type intake overflow weir into
Water pipe, intake chamber, the water inlet into pond body are introduced into wall of the intake chamber from water inlet pipe inflow intake chamber, between intake chamber and pond body
Upper to be distributed several water inlets, the water in intake chamber uniformly enters pond body by inlet opening and flows into pond body by water inlet overflow weir,
And water inlet cowling panel is equipped on the outside of water inlet overflow crest of weir, which makes uniformly slowly to enter in pond from pond body lower part into water;
It is equipped with overflow-type effluent overflow weir water on the inside of the effluent trough of the water outlet setting of the pond body, the water outlet for flowing out pond body first passes through water outlet
Overflow weir flows into effluent trough, then flows out pond body after converging to outlet pipe from effluent trough, and rectification is equipped on the inside of effluent overflow weir water
Plate, the cowling panel make water outlet uniformly slowly enter effluent trough out of pond body and flow out pond body towards water flow out;The pool bottom
There are several sludge hoppers;The sludge hopper is inversed-cone shape, and upper edge is oblong openings, by pool bottom from water inlet end to water outlet
Several oblong apertures are divided into, each sludge hopper bottom is equipped with Ji Nikou, and the lower end collection Ni Kou is connected to sludge pipe;The sludge pipe lower end
Equipped with threeway, it is connected to by returning slurry valve with mud return line, is connected to by a mud valve with sludge pipe;Each sludge hopper lower part
Mud return line be interconnected, be equipped with sludge reflux general export, flow back general export at be equipped with returned sludge densimeter and reflux
Sludge stream meter;The sludge sludge pipe of each sludge hopper lower part is interconnected, and is equipped with spoil disposal general export, is equipped with discharge at general export
Sludge concentration meter and discharge sludge stream meter.
The prioritization scheme that the utility model progress is improved and implemented is:
The quantity of the pool bottom sludge hopper is 2 to 10.
The Ji Nikou is mudhole or perforated sludge discharge pipe.
The shape of the sludge hopper is one of rectangular pyramid, inverted trapezoidal.
The effluent overflow weir water is parallel with pond body long side, or parallel with pond body broadside.
The inlet opening that goes out uniformly is abound on the wall between intake chamber and pond body, and water inlet bore dia arrives 200mm 20
Between
The sludge concentration meter for detecting each Ji Nikou discharge sludge concentration is equipped with before the threeway of each sludge pipe, on
Stating all sludge concentration meters and sludge stream meter, time slurry valve and mud valve is online automatic control type, and is equipped with PLC controller, should
PLC controller respectively with the returned sludge densimeter, returned sludge flowmeter, discharge sludge concentration meter, discharge mud discharge
Sludge concentration meter, time slurry valve, the mud valve of sludge pipe setting carry out signal and control connection, letter below meter and each collection mud mouth
Number and control planning be: preset the threshold range of each sludge concentration meter and flowmeter normal sludge reflux and mud discharging,
When sedimentation basin is run, PLC controller obtains it from each sludge concentration meter and flowmeter in due course and runs numerical information, PLC control
Device runs numerical signal according to it and carries out the switch control to each switch, and reaches report beyond allowed band in operation numerical information
When alert range, the alarm assemblies for starting setting are alarmed, to guarantee that each Ji Nikou carries out normal sludge according to design requirement
It returns and crosses and discharge and the normal operation of entire sedimentation basin.
The technical principle of the utility model are as follows: the characteristics of rectangular sedimentation tank mud-water separation is sludge settling region and sludge
Weight be inversely proportional, i.e., heavy sludge settling is in the storage bucket close to water inlet, and light sludge settling is in the storage mud far from water inlet
In bucket;The granulating of aerobic sludge needs continuous reservation weight sludge and light sludge is discharged, and multi-bucket sedimentation basin can carry out sludge
Selection, to promote the culture of aerobic particle mud, while can choose and reselect back the aerobic particle mud of forming
Biochemistry pool is flowed back to, guarantees the stabilization of aerobic particle mud system;The not same order of the granulating of different types of sludge or sludge
The sludge settling ability of section is different, can be by control for the mud-removing bucket of returned sludge and the quantity of the sludge bucket for spoil disposal
Guarantee selection pressure that granular sludge needs, guarantees that the sludge of suitable partial size can be back to system, the sludge discharge of small particle
System;Pass through sludge reflux sludge concentration instrument, sludge reflux flowmeter, spoil disposal sludge concentration instrument, the observation number of spoil disposal flowmeter
Value, can accurately know sludge reflux amount and sludge discharge rate, by controlling mud valve, the sludge reflux valve of each mud-removing bucket,
It may be implemented accurately to control and obtain optimum sludge reflux amount and sludge discharge rate.
Utility model has the advantages that (1) effectively selects the sludge of different cultivation stages, different settling properties
It selects;(2) auxiliary promotes the aerobic sludge granulation under continuous flow mode, and keeps the stabilization of aerobic particle mud system;(3) real
It applies simply, it is easy to transform;(4) setting automatically controls sludge reflux and Exhaust assembly, realizes the reflux for automatically controlling sludge and row
It puts, flexibly, operation is accurate, and effect and efficiency significantly improve for control.And alarm assemblies are equipped with, guarantee operational safety.
Detailed description of the invention
Fig. 1 is the effluent overflow weir water of the utility model structural schematic diagram parallel with pond body width direction.
Fig. 2 is originally to be applicable in the novel effluent overflow weir water structural schematic diagram parallel with pond body width direction.
Fig. 3 is the effluent overflow weir water of the utility model overlooking structure diagram parallel with pond body long side.
Fig. 4 is the effluent overflow weir water of the utility model positive structure diagram parallel with pond body long side.
Fig. 5 is the inverted trapezoidal sludge hopper overlooking structure diagram of the utility model.
Fig. 6 is the inverted trapezoidal sludge hopper positive structure diagram of the utility model.
Fig. 7 is the sludge hopper of the falling rectangular pyramid overlooking structure diagram of the utility model.
Fig. 8 is the sludge hopper of the falling rectangular pyramid positive structure diagram of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment: referring to attached drawing, a kind of flat flow multi-bucket sedimentation basin for aerobic particle mud, be equipped with pond body 20, into
Sink 1, effluent trough 17, mud return line 11 and sludge pipe 12, pond body specification is 24 meters long, wide 8 meters, 3.5 meters deep;The pond body
Water inlet end setting intake chamber on the inside of be equipped with overflow-type and intake overflow weir water inlet pipe 19, intake chamber 1, the water inlet into pond body is first
Intake chamber is flowed into intake chamber from water inlet pipe 19, is distributed several water inlets 2 on the wall between intake chamber and pond body, in intake chamber
Water pond body is uniformly entered by inlet opening pond body is flowed by water inlet overflow weir, water inlet diameter is 50mm, and is being intake
Water inlet cowling panel 3 is equipped on the outside of overflow crest of weir, which makes uniformly slowly to enter in pond from pond body lower part into water;The pond body
Water outlet setting effluent trough on the inside of be equipped with overflow-type effluent overflow weir water 16, this overflow weir direction is parallel with pond body broadside, flow
The water outlet of pond body first passes through effluent overflow weir water and flows into effluent trough out, then converges to after outlet pipe 18 from effluent trough and flow out pond body, and
Cowling panel 15 is equipped on the inside of effluent overflow weir water, which makes water outlet uniformly slowly enter out of pond body towards water flow out
Sink simultaneously flows out pond body;The pool bottom has 4 sludge hoppers 4;The sludge hopper is the inverted trapezoidal bodily form, and upper edge is opened for rectangle
Mouthful, pool bottom is divided into 8 meters 4 long, wide 6 meters of oblong aperture from water inlet end to water outlet, each sludge hopper bottom is equipped with
Collect mud mouth 5, the lower end collection Ni Kou is connected to sludge pipe 6;The sludge pipe lower end is equipped with threeway, by returning slurry valve 8 and mud return line
Connection, is connected to by a mud valve 7 with sludge pipe;The mud return line of each sludge hopper lower part is interconnected, and is equipped with sludge
Flow back general export, is equipped with returned sludge densimeter 9 and returned sludge flowmeter 10 at the general export that flows back;Each sludge hopper lower part
Sludge sludge pipe is interconnected, and is equipped with spoil disposal general export, discharge sludge concentration meter 13 and discharge mud discharge are equipped at general export
Meter 14.The Ji Nikou is perforated sludge discharge pipe.
The sludge concentration meter for detecting each Ji Nikou discharge sludge concentration is equipped with before the threeway of each sludge pipe, on
Stating all sludge concentration meters and sludge stream meter, time slurry valve and mud valve is online automatic control type, and is equipped with PLC controller, should
PLC controller respectively with the returned sludge densimeter, returned sludge flowmeter, discharge sludge concentration meter, discharge mud discharge
Sludge concentration meter, time slurry valve, the mud valve of sludge pipe setting carry out signal and control connection, letter below meter and each collection mud mouth
Number and control planning be: preset the threshold range of each sludge concentration meter and flowmeter normal sludge reflux and mud discharging,
When sedimentation basin is run, PLC controller obtains it from each sludge concentration meter and flowmeter in due course and runs numerical information, PLC control
Device runs numerical signal according to it and carries out the switch control to each switch, and reaches report beyond allowed band in operation numerical information
When alert range, the alarm assemblies for starting setting are alarmed, to guarantee that each Ji Nikou carries out normal sludge according to design requirement
It returns and crosses and discharge and the normal operation of entire sedimentation basin.
For the utility model through trial operation, effect is ideal.Test result: it uses dirty by the human configuration of organic matter of sodium acetate
Water, COD 600mg/L, ammonia nitrogen 60mg/L, seed sludge are the activated sludge of municipal sewage plant, and sludge bucket quantity is 4
It is a, using the continuous-flow aerobic granular sludge multibucket sedimentation basin as the precipitation unit of continuous flow reactor, continuous operation
50 days, the aerobic particle mud partial size in continuous flow reactor was mainly in 1mm or more, and sludge SVI30 is in 30-60mL/TSS.
It is noted that a variety of improvement and change can also be made under the premise of not departing from the utility model basic structure
Technical solution, but these similar technical solutions all should be among the protection scope of this patent, and product should be regarded as invading
Weigh product.
Claims (7)
1. a kind of flat flow multi-bucket sedimentation basin for aerobic particle mud is equipped with pond body (20), intake chamber (1), effluent trough
(17), mud return line (11) and sludge pipe (12);It is characterized in that: water inlet end setting water inlet pipe (19) of the pond body, water inlet
Slot flows into intake chamber into the water inlet of pond body from water inlet pipe (19), is distributed several water inlets on the wall between intake chamber and pond body
(2), the water in intake chamber uniformly enters pond body by inlet opening, and water inlet cowling panel (3) is equipped on the outside of water inlet, this is whole
Flowing plate makes uniformly slowly to enter in pond from pond body lower part into water;Overflow is equipped on the inside of the effluent trough of the water outlet setting of the pond body
Formula effluent overflow weir water (16), the water outlet for flowing out pond body first passes through effluent overflow weir water and flows into effluent trough, then converges to out from effluent trough
Water pipe (18) flows out pond body afterwards, and is equipped with cowling panel (15) on the inside of effluent overflow weir water, which makes to be discharged towards water flow out
Uniformly slowly enter effluent trough out of pond body;The pool bottom has several sludge hoppers (4);Edge is opened on the sludge hopper for rectangle
Mouthful, pool bottom is divided into several oblong apertures from water inlet end to water outlet, each sludge hopper bottom is equipped with Ji Nikou (5), should
Collect the lower end Ni Kou connection sludge pipe (6);The sludge pipe lower end is equipped with threeway, is connected to, is led to mud return line by going back to slurry valve (8)
A mud valve (7) is crossed to be connected to sludge pipe;The mud return line of each sludge hopper lower part is interconnected, and it is total to be equipped with sludge reflux
It exports, returned sludge densimeter (9) and returned sludge flowmeter (10) is equipped at the general export that flows back;The dirt of each sludge hopper lower part
Mud sludge pipe is interconnected, and is equipped with spoil disposal general export, discharge sludge concentration meter (13) and discharge mud discharge are equipped at general export
It counts (14).
2. flat flow multi-bucket sedimentation basin according to claim 1, it is characterised in that: the number of the pool bottom sludge hopper
Amount is 2 to 10.
3. flat flow multi-bucket sedimentation basin according to claim 1, it is characterised in that: the Ji Nikou be mudhole or
Perforated sludge discharge pipe.
4. flat flow multi-bucket sedimentation basin according to claim 1, it is characterised in that: the shape of the sludge hopper can be
Rectangular pyramid, inverted trapezoidal one of are worked as.
5. flat flow multi-bucket sedimentation basin according to claim 1, it is characterised in that: the effluent overflow weir water and pond body are long
Side is parallel, or parallel with pond body broadside.
6. flat flow multi-bucket sedimentation basin according to claim 1, it is characterised in that: the inlet opening be uniformly abound with into
On wall between sink and pond body, bore dia of intaking is 20 between 200mm.
7. flat flow multi-bucket sedimentation basin according to claim 1, it is characterised in that: before the threeway of each sludge pipe
Equipped with the sludge concentration meter for detecting each Ji Nikou discharge sludge concentration, above-mentioned all sludge concentration meters and sludge stream meter are returned
Slurry valve and mud valve are online automatic control type, and be equipped with PLC controller, the PLC controller respectively with the returned sludge concentration
The dirt of sludge pipe setting below meter, returned sludge flowmeter, discharge sludge concentration meter, discharge sludge stream meter and each collection mud mouth
Mud densimeter returns slurry valve, mud valve carries out signal and controls connection, and signal and control planning are: presetting each sludge concentration
The threshold range of meter and flowmeter normal sludge reflux and mud discharging, in sedimentation basin operation, PLC controller is in due course from each
Sludge concentration meter and flowmeter obtain it and run numerical information, and PLC controller runs numerical signal according to it and carries out to each switch
Switch control, and run numerical information beyond allowed band reach alarm range when, start setting alarm assemblies carry out
Alarm guarantees the normal of entire sedimentation basin to guarantee that each Ji Nikou carries out normal sludge reflux and discharge according to design requirement
Operation.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113198249A (en) * | 2021-03-29 | 2021-08-03 | 北京城市排水集团有限责任公司 | Continuous flow microorganism aggregate screening type sedimentation tank |
CN113968606A (en) * | 2021-06-25 | 2022-01-25 | 北京绿恒科技有限公司 | Self-circulation high-density suspended sludge filtering and settling tank and water treatment system |
CN113968608A (en) * | 2021-06-25 | 2022-01-25 | 北京绿恒科技有限公司 | Self-circulation encrypted granular sludge filtering sedimentation tank |
CN114772870A (en) * | 2022-05-24 | 2022-07-22 | 湖南五方环境科技研究院有限公司 | Sewage treatment device and method for continuous flow sludge particles with controllable particle sizes |
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2018
- 2018-11-13 CN CN201821868020.0U patent/CN209052450U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113198249A (en) * | 2021-03-29 | 2021-08-03 | 北京城市排水集团有限责任公司 | Continuous flow microorganism aggregate screening type sedimentation tank |
CN113968606A (en) * | 2021-06-25 | 2022-01-25 | 北京绿恒科技有限公司 | Self-circulation high-density suspended sludge filtering and settling tank and water treatment system |
CN113968608A (en) * | 2021-06-25 | 2022-01-25 | 北京绿恒科技有限公司 | Self-circulation encrypted granular sludge filtering sedimentation tank |
CN113968606B (en) * | 2021-06-25 | 2023-07-11 | 北京绿恒科技有限公司 | Self-circulation high-density suspended sludge filtering and settling tank and water treatment system |
CN114772870A (en) * | 2022-05-24 | 2022-07-22 | 湖南五方环境科技研究院有限公司 | Sewage treatment device and method for continuous flow sludge particles with controllable particle sizes |
CN114772870B (en) * | 2022-05-24 | 2023-10-31 | 湖南五方环境科技研究院有限公司 | Sewage treatment device and method for continuous flow particle size controllable sludge particles |
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