CN208327780U - Inoranic membrane sludge condensation reaction tank - Google Patents
Inoranic membrane sludge condensation reaction tank Download PDFInfo
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- CN208327780U CN208327780U CN201820668891.1U CN201820668891U CN208327780U CN 208327780 U CN208327780 U CN 208327780U CN 201820668891 U CN201820668891 U CN 201820668891U CN 208327780 U CN208327780 U CN 208327780U
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- reaction tank
- sludge condensation
- sludge
- membrane
- spoil disposal
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Abstract
Inoranic membrane sludge condensation reaction tank, the utility model belong to the sewage of plumbing and environmental project, sludge treatment field, it will solve the problems, such as that moisture percentage in sewage sludge is higher in existing wastewater treatment process.The inoranic membrane sludge condensation reaction tank includes reaction tank, multiple sludge condensation membrane modules, aerator, spoil disposal canal, two collector pipes, multiple backwashing pumps and multiple suction water pumps, the bottom of pond left and right sides of reaction tank is respectively arranged with multiple sludge condensation membrane modules, multiple sludge condensation membrane modules of every side are arranged along the long side of cuboid pond body, spoil disposal canal is provided in the bottom of pond of reaction tank between the sludge condensation membrane module of the left and right sides, the upper lateral of sludge condensation membrane module is equipped with collector pipe, and backwashing pump and suction water pump are connected by connecting tube with collector pipe.The utility model inoranic membrane sludge condensation reaction tank is influenced very little by sludge concentration and wadding body compactness, and moisture percentage in sewage sludge meets the feed needs of sludge dewatering equipment up to 96%~94% after reaction tank concentration.
Description
Technical field
The utility model belongs to the sewage of plumbing and environmental project, sludge treatment field, and in particular to a kind of high-efficient sewage
Reaction unit is concentrated in mud.
Background technique
The moisture percentage in sewage sludge generated in wastewater treatment process is very high, so the volume of sludge is bigger, to the processing of sludge,
Using and transport cause difficulty, sludge concentration tank is then a kind of sewage treatment equipment tentatively to reduce wastewater sludge moisture content,
Generally circular in cross section or rectangular pond, sludge condensation are the volumes that the moisture content and reduction sludge of sludge are reduced by sludge thickening,
To reduce subsequent processing expense.Common sludge concentration method has gravity concentration method, floatation thickening method and three kinds of centrifugal concentrating.
Existing sludge concentration tank is affected by sludge concentration and property, and the sludge condensation effect loose to wadding body is bad,
SS is big in concentration basin supernatant simultaneously, and various pollutants matter concentration is higher, often to water process among the straight processing system that flows back
System affects, in addition, moisture content further increases concentration times generally 97% or so after the concentration of existing concentration basin
Number need to increase considerably upgrading unit size to greatly improve capital construction cost.
Utility model content
The purpose of this utility model is to solve the problems, such as that moisture percentage in sewage sludge is higher in existing wastewater treatment process, and provide
A kind of inoranic membrane sludge condensation reaction tank.
The utility model inoranic membrane sludge condensation reaction tank include reaction tank, multiple sludge condensation membrane modules, aerator,
Hydraulic Circulation device, spoil disposal canal, two collector pipes, multiple backwashing pumps, multiple suction water pumps, water inlet manifold and spoil disposal general pipeline,
Reaction tank is cuboid pond body, is respectively arranged with multiple sludge condensation membrane modules in the bottom of pond left and right sides of reaction tank, every side it is more
A sludge condensation membrane module is arranged along the long side of cuboid pond body, the reaction tank between the sludge condensation membrane module of the left and right sides
Spoil disposal canal is provided in bottom of pond, spoil disposal general pipeline is connected with spoil disposal canal, and Hydraulic Circulation device is agitating paddle, the setting of Hydraulic Circulation device
Between the sludge condensation membrane module of the left and right sides；
The bottom of every side sludge condensation membrane module is respectively arranged with aerator, the upper part of every side sludge condensation membrane module
It is not horizontal to have a collector pipe, multiple mouths of a river are evenly arranged with along the axial direction of collector pipe, along every side outside the pond body of reaction tank
Long side pool wall is each provided with multiple backwashing pumps and suction water pump, and each backwashing pump and suction water pump pass through connecting tube and catchment
Pipe is connected, and water inlet manifold extends in the pond body of reaction tank.
Inoranic membrane sludge condensation reaction tank described in the utility model is influenced very little by sludge concentration and wadding body compactness,
Effluent quality is much better than existing concentration basin recirculation water, and SS is more particularly to controlling 5mg/l hereinafter, simultaneously because special mud film shape
At mode, moisture percentage in sewage sludge can be reduced to 95% or so, and Novel inorganic membrane concentration basin is discharged using negative-pressure ward, adjustable dense
Contracting speed, backwash process are combined with mud UF membrane, and mud film can reduce moisture content in bottom of pond secondary concentration, are backwashed simultaneously
Water consumption is extremely low, still exists in system after flushing, not will lead to phegma outlet and loss, dense according to interval work mode
Contracting sludge can be discharged rapidly in sludge discharging period, and carry out high-intensitive backwash, effectively control fouling membrane to inoranic membrane, keep film for a long time
High throughput.
Inoranic membrane sludge condensation reaction tank described in the utility model is mainly used for the height of water treatment plant's spoil disposal water, backwashing water
Effect recycles and sludge condensation, the separated from contaminants etc. in sewage plant sludge concentration and industrial wastewater pollution, and inoranic membrane concentration is anti-
Pool device is answered to be suitble to sludge (or solid pollutant) concentration larger, the bad Waste water concentrating of settleability (separability), before concentration
Stain disease (mud) moisture content is up to 99.7%~97%, and moisture percentage in sewage sludge meets up to 96%~94% after reaction tank concentration
The feed needs of sludge dewatering equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model inoranic membrane sludge condensation reaction tank；
Fig. 2 is the overlooking structure diagram of reaction tank.
Specific embodiment
Specific embodiment 1: present embodiment inoranic membrane sludge condensation reaction tank includes that reaction tank 10, multiple sludge are dense
Contracting membrane module 1, aerator 2, Hydraulic Circulation device 3, spoil disposal canal 4, two collector pipes 5, multiple backwashing pumps 6, multiple suctions
Water pump 7, water inlet manifold 8 and spoil disposal general pipeline 9, reaction tank 10 are cuboid pond body, are set respectively in the bottom of pond left and right sides of reaction tank 10
Multiple sludge condensation membrane modules 1 are equipped with, multiple sludge condensation membrane modules 1 of every side are arranged along the long side of cuboid pond body, left and right
Spoil disposal canal 4 is provided in the bottom of pond of reaction tank 10 between the sludge condensation membrane module 1 of two sides, spoil disposal general pipeline 9 is connected with spoil disposal canal 4
Logical, Hydraulic Circulation device 3 is agitating paddle, and Hydraulic Circulation device 3 is arranged between the sludge condensation membrane module 1 of the left and right sides；
The bottom of every side sludge condensation membrane module 1 is respectively arranged with aerator 2, every side sludge condensation membrane module 1 it is upper
Portion is horizontal respectively a collector pipe 5, multiple mouths of a river is evenly arranged with along the axial direction of collector pipe 5, outside the pond body of reaction tank 10
Long side pool wall along every side is each provided with multiple backwashing pumps 6 and suction water pump 7, and each backwashing pump 6 and suction water pump 7 pass through
Connecting tube is connected with collector pipe 5, and water inlet manifold 8 extends in the pond body of reaction tank 10.
Present embodiment sludge condensation membrane module uses negative-pressure ward mode, and solid matter will be trapped within plate in sludge
Inorganic film surface, formation moisture content is low, and the big mud membrane structure of sludge concentration, mud film can be efficiently separated after backwash, and be deposited
Moisture content is further decreased by compression in concentration bottom of pond portion, is excluded together when spoil disposal.The inorganic film surface mud film of plate
Thickness reaches as high as 10mm, i.e., every square meter film can produce 0.01m in single backwash process3Sludge, it is daily up to 0.2m3Sludge,
Concentration process is unrelated with sludge settling.At the same time, aqueous according to the adjustable swabbing pressure change sludge of thickened sludge property
Rate, it is minimum can be down to 94% (following).
Present embodiment is discharged by negative-pressure ward system, has constant speed water outlet and speed change to be discharged two kinds of operations in system operation
Mode is discharged the period when the pressure loss reaches the 40~100% of initial value using the pressure loss as Con trolling index when constant speed is discharged
End enters backwash stage, and speed change water outlet is with 30~50% (according to different types of films) of flow decline initial value for the period
The mark of end.Backwash water system includes backwashing pump, with circuits, flowmeter and pressure gauge, and backwash is generally using inverse
Flowing water is washed, and flushing dose is that (1~3 times) washing time of general flux is 0.5~3min (according to sludge concentration and fouling membrane journey
Degree), and water-washing process increases aeration or improves hydraulic gradient, membrane flux is close to 100% after flushing, every after long-term operation
Such as flux declines within 1~3 month, can carry out component maintenance medicine and wash (hoisting passage and rinse bath is arranged in equipment), i.e., use oxygen respectively
Agent (such as sodium hypochlorite) and cleaning agent washing by soaking reply the flux of film.Backwashing period and water are according to sludge concentration and dense
Contracting ratio-dependent, in low concentration, operation 2 more than hour needs cleaning primary, and when high concentration rinses frequency and gets over half an hour, and
Backwash rate increases therewith, and system can be realized according to situation and be automatically controlled, can also be according to needing to be set as fixed time cleaning.
Specific embodiment 2: the present embodiment is different from the first embodiment in that the length of reaction tank 10 × wide size
It is highly 1.5~4.5m for (1.5~32m) × (0.5~4m).
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that the sludge condensation film
Diaphragm in component 1 is ceramic membrane, and film spacing is 1~5cm.
The membrane flux of ceramic membrane described in present embodiment be 500~1000L/ ㎡ .d (membrane aperture 0.1um~
0.5um), 1~5cm of film spacing, component are set to pool bottom, and clear water zone is not less than 0.5m (not with cycles of concentration above film
With when high water level up to 2~5m), guarantee that agitating paddle, aerator or Hydraulic Circulation device is arranged in hydraulic gradient in pond.Negative pressure is taken out
Desorption system includes that in-line meter (such as flowmeter, vacuum meter), suction water pump, valve and piping etc. form, in system operation
There are constant speed water outlet and speed change to be discharged two kinds of methods of operation, using the pressure loss as Con trolling index when constant speed is discharged, when the pressure loss reaches
To initial value 40~100% when water outlet end cycle enter backwash stage, speed change water outlet is with the 30 of flow decline initial value
~50% (according to different types of film) is the mark of end cycle.
Specific embodiment 4: along the long side of every side unlike one of present embodiment and specific embodiment one to three
Pool wall is each provided with multiple backwashing pumps 6 and suction water pump 7, backwashing pump 6 and the interval setting of suction water pump 7.
Specific embodiment 5: sludge condensation film group unlike one of present embodiment and specific embodiment one to four
The bottom surface of part 1 and the spacing of aerator 2 are 50~300mm.
Specific embodiment 6: collector pipe 5 unlike one of present embodiment and specific embodiment one to five and dirty
The spacing that 1 top surface of membrane module is concentrated in mud is 50~1500mm.
Specific embodiment 7: each backwashing pump unlike one of present embodiment and specific embodiment one to six
6 and suction water pump 7 be connected with collector pipe 5 by connecting tube, valve and flowmeter are provided in connecting tube.
Embodiment: the present embodiment inoranic membrane sludge condensation reaction tank include reaction tank 10, multiple sludge condensation membrane modules 1,
Aerator 2, Hydraulic Circulation device 3,4, two collector pipes 5 of spoil disposal canal, multiple backwashing pumps 6, multiple suction water pumps 7, water inlet
General pipeline 8 and spoil disposal general pipeline 9, reaction tank 10 are cuboid pond body, are respectively arranged with multiple dirts in the bottom of pond left and right sides of reaction tank 10
Membrane module 1 is concentrated in mud, and multiple sludge condensation membrane modules 1 of every side are arranged along the long side of cuboid pond body, the sludge of the left and right sides
It is provided with spoil disposal canal 4 in the bottom of pond of reaction tank 10 between concentration membrane module 1, spoil disposal general pipeline 9 is connected with spoil disposal canal 4, and waterpower is followed
Loop device 3 is agitating paddle, and Hydraulic Circulation device 3 is arranged between the sludge condensation membrane module 1 of the left and right sides；
The bottom of every side sludge condensation membrane module 1 is respectively arranged with aerator 2, every side sludge condensation membrane module 1 it is upper
Portion is horizontal respectively a collector pipe 5, multiple mouths of a river is evenly arranged with along the axial direction of collector pipe 5, outside the pond body of reaction tank 10
Long side pool wall along every side is each provided with multiple backwashing pumps 6 and suction water pump 7, and each backwashing pump 6 and suction water pump 7 pass through
Connecting tube is connected with collector pipe 5, and water inlet manifold 8 extends in the pond body of reaction tank 10.
The size of 10 length × width × height of the present embodiment reaction tank is 12m × 2.8m × 2.8m, and A water level and B water level are apart from pond
The height at bottom is 2.5m and 1.2m respectively.
Reaction tank is concentrated in intermittent duty in the present embodiment inoranic membrane, divides continuum micromeehanics continuous effluent section, stops water inlet company
Continuous water exit end and spoil disposal and cleaning section three phases, wherein the water level in continuum micromeehanics continuous effluent stage is A, this stage makes in pond
Sludge concentration is quickly increased to, and when sludge concentration increases to moisture content < 98%, is stopped continuum micromeehanics, is then constantly discharged water to
When the minimum liquid level B of clear water zone, sludge concentration can need to carry out backwash at regular intervals during two above anti-in 95-96%
Only fouling membrane.After stopping water outlet, the sludge of primary high hydraulic gradient backwash separation membrane surface aggregation is carried out, then bottom mud valve
It opens and carries out quick spoil disposal.Start next cycle after spoil disposal.
Reaction tank is concentrated by the inoranic membrane of the present embodiment, and stain disease (mud) moisture content is dense up to 99.7~97% before concentration
Moisture percentage in sewage sludge is up to 96~94% after contracting.
Claims (7)
1. inoranic membrane sludge condensation reaction tank, it is characterised in that the inoranic membrane sludge condensation reaction tank includes reaction tank (10), more
It is a sludge condensation membrane module (1), aerator (2), Hydraulic Circulation device (3), spoil disposal canal (4), two collector pipes (5), multiple
Backwashing pump (6), multiple suction water pumps (7), water inlet manifold (8) and spoil disposal general pipeline (9), reaction tank (10) are cuboid pond body,
Multiple sludge condensation membrane modules (1), multiple sludge condensation films of every side are respectively arranged in the bottom of pond left and right sides of reaction tank (10)
Component (1) is arranged along the long side of cuboid pond body, the pond of the reaction tank (10) between the sludge condensation membrane module (1) of the left and right sides
It is provided on bottom spoil disposal canal (4), spoil disposal general pipeline (9) is connected with spoil disposal canal (4), and Hydraulic Circulation device (3) is agitating paddle, and waterpower is followed
Loop device (3) is arranged between the sludge condensation membrane module (1) of the left and right sides；
The bottom of every side sludge condensation membrane module (1) is respectively arranged with aerator (2), every side sludge condensation membrane module (1)
Top is horizontal respectively a collector pipe (5), is evenly arranged with multiple mouths of a river along the axial direction of collector pipe (5), reaction tank (10)
Long side pool wall outside pond body along every side is each provided with multiple backwashing pumps (6) and suction water pump (7), each backwashing pump (6)
It is connected by connecting tube with collector pipe (5) with suction water pump (7), water inlet manifold (8) extends in the pond body of reaction tank (10).
2. inoranic membrane sludge condensation reaction tank according to claim 1, it is characterised in that the length of reaction tank (10) × wide ruler
Very little is (1.5~32m) × (0.5~4m), is highly 1.5~4.5m.
3. inoranic membrane sludge condensation reaction tank according to claim 1, it is characterised in that the sludge condensation membrane module
(1) diaphragm in is ceramic membrane, and film spacing is 1~5cm.
4. inoranic membrane sludge condensation reaction tank according to claim 1, it is characterised in that the long side pool wall along every side is set
It is equipped with multiple backwashing pumps (6) and suction water pump (7), backwashing pump (6) and the setting of suction water pump (7) interval.
5. inoranic membrane sludge condensation reaction tank according to claim 1, it is characterised in that the bottom of sludge condensation membrane module (1)
The spacing of face and aerator (2) is 50~300mm.
6. inoranic membrane sludge condensation reaction tank according to claim 1, it is characterised in that collector pipe (5) and sludge condensation film
The spacing of component (1) top surface is 50~1500mm.
7. inoranic membrane sludge condensation reaction tank according to claim 1, it is characterised in that each backwashing pump (6) and suction
Water pump (7) is connected by connecting tube with collector pipe (5), and valve and flowmeter are provided in connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820668891.1U CN208327780U (en) | 2018-05-07 | 2018-05-07 | Inoranic membrane sludge condensation reaction tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820668891.1U CN208327780U (en) | 2018-05-07 | 2018-05-07 | Inoranic membrane sludge condensation reaction tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208327780U true CN208327780U (en) | 2019-01-04 |
Family
ID=64776714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820668891.1U Active CN208327780U (en) | 2018-05-07 | 2018-05-07 | Inoranic membrane sludge condensation reaction tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208327780U (en) |
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2018
- 2018-05-07 CN CN201820668891.1U patent/CN208327780U/en active Active
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