CN110182951A - Horizontal integrated A/O oxidation ditch tank - Google Patents
Horizontal integrated A/O oxidation ditch tank Download PDFInfo
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- CN110182951A CN110182951A CN201910469649.0A CN201910469649A CN110182951A CN 110182951 A CN110182951 A CN 110182951A CN 201910469649 A CN201910469649 A CN 201910469649A CN 110182951 A CN110182951 A CN 110182951A
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- tank
- tank body
- plate
- oxidation ditch
- horizontal integrated
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- 230000003647 oxidation Effects 0.000 title claims abstract description 45
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000945 filler Substances 0.000 claims abstract description 23
- 238000005273 aeration Methods 0.000 claims description 26
- 238000009987 spinning Methods 0.000 claims description 24
- 239000010865 sewage Substances 0.000 claims description 20
- 239000010802 sludge Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 238000005276 aerator Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- 238000000034 method Methods 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000006213 oxygenation reaction Methods 0.000 description 5
- 230000001680 brushing effect Effects 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses horizontal integrated A/O oxidation ditch tanks, including horizontal tubular tank body, the top pressure closure at tank body both ends, be opened on tank body into, water outlet, tank inner chamber is provided with baffle assembly along length of tank direction and tank body is separated into three chambers along its length, two of them chamber head end connection, another chamber head end forms sealed chamber, sealed chamber constitutes anaerobism section runner, water inlet is arranged in sealed chamber head end, the mutual connection of the tail end of three chambers, the two chambers head and the tail connection in addition to sealed chamber is set to constitute circulation oxidation channel, at least one plug-flow and/or oxygenate apparatus are provided in circulation oxidation channel, circulation aoxidizes in channel filled with flowing filler.
Description
Technical field
The present invention relates to sewage treatment field more particularly to domestic sewage in rural areas, city domestic sewage, trade effluents to mention
Transformation field is marked, can also be applied to the emergency processing in river, the emergency processing upgrading of pumping plant.
Background technique
Firstly, the main processing difficulty of domestic sewage in rural areas is the instability of flow of whole day, small less than about 4 in the morning, afternoon and evening
When, 20 hours waters are discharged, the ratio that quantity of wastewater effluent occupies water reaches 50%-80%, wants to the impact resistance of equipment
It asks higher, and needs conditioning tank and pumping plant, native construction cost and equipment cost are high.
Secondly, rural area rain dirt does not shunt, primary sedimentation tank need to be generally set, is taken up a large area, and during rural sewage treatment
Denitrogenation dephosphorizing is needed, MBR technique is such as used, although can be very good denitrogenation dephosphorizing, general membrane flux is relatively low, is easy hair
Filming pollution, not easy to clean after fouling membrane and replacement, maintenance cost is big, moreover rural sewage treatment project is more, each villages and small towns compared with
Dispersion, to reduce occupied area, most of sewage-treatment plants are all embedded in underground, cause maintenance of equipment difficult.
The technical problem of above-mentioned country sewage fails to obtain effective solution always.
Summary of the invention
The object of the present invention is to provide a kind of occupied area is small, equipment cost is low, convenient transportation, can effectively solve rural area dirt
The water big problem of flow in short-term, and surface aeration is realized using oxidation Ditch Technology, convenience, impact resistance are improved for later period maintenance
By force, without adding conditioning tank pumping plant and primary sedimentation tank, structure is simple, is convenient for industrial application, and formed by the setting of partition
Anaerobism section constitutes A/O oxidation ditch process.
For achieving the above object, the technical scheme is that horizontal integrated A/O oxidation ditch tank, including it is horizontal
Tubular tank body, the top pressure closure at tank body both ends, the entery and delivery port that is opened on tank body, it is characterised in that tank inner chamber is along tank body
Length direction is provided with baffle assembly and tank body is separated into three chambers along its length, two of them chamber head end connection, separately
One chamber head end forms sealed chamber, and sealed chamber constitutes anaerobism section runner, and water inlet, three chambers are arranged in sealed chamber head end
The mutual connection of the tail end of room makes the two chambers head and the tail connection in addition to sealed chamber constitute circulation oxidation channel, circulation oxidation ditch
At least one plug-flow and/or oxygenate apparatus are provided in road, circulation aoxidizes in channel filled with flowing filler.
Preferably, baffle assembly is to form different angles from horizontal plane around length of tank direction central axes in tank body
Three pieces of plate bodys share a long sides on the inside of three pieces of plate bodys, and three pieces of outermost long sides of plate body are connect with inner tank wall, three pieces of plate bodys
The head end that two pieces of arbitrary neighborhood is connect with the top pressure closure of tank body head end, and one of chamber first section is made to form sealed chamber, close
It seals chamber and constitutes anaerobism section runner, the tail end of three pieces of plate bodys and tank body tail end interval are arranged, and constitute circulation mouth, the tail of three chambers
Mutual connection is held, the two chambers head and the tail connection in addition to sealed chamber is made to constitute circulation oxidation channel.
Preferably, the section constitution trident of three pieces of plate bodys, T-shaped or Y-shaped.
Preferably, baffle assembly is the two boards body being arranged along length of tank, one piece is horizontal plate body, another piece for
Level board body surface face is crossed to form the hang plate less than 180 degree angle, and the outboard end of two boards body is connect with inner tank wall,
Tank body is separated into three cavitys.
Preferably, the section of two boards body is T-shaped.
Preferably, plug-flow and/or oxygenate apparatus are plate-spinning surface aeration machine, inverted umbrella-shaped surface aerator, turn brush surface
One kind or combination of aerator.
Preferably, flowing filler is Ball-type packing, hollow sponge Ball-type packing, square filler is a kind of or combines.
Preferably, flowing filler is divided into three layers of upper, middle and lower, first layer floats on liquid level, and density is less than 0.97(t/m3), the
Two layers are suspended among sewage, flow in rolling, density 0.97-1.1(t/m3), third layer is sunk to the bottom, and density is greater than 1.1(t/
M3), as sludge rolls.
Preferably, tank body material is hollow winding PP.
Preferably, plate-spinning surface aeration machine includes the plate-spinning for being set up in tank body live spindle, being socketed in live spindle
And speed reducer and can positive and negative rotation driving motor, live spindle both ends are stretched out tank wall, are set on the outside of corresponding tank wall
It is equipped with bearing block, live spindle driving end is pierced by bearing block and connect with speed reducer, and speed reducer connects driving motor.
Further preferably, if plate-spinning is provided with dry plate, every diameter with the circular arc highest point in tank body section to minimum point gradually
It reduces.
The beneficial effects of the present invention are: tank body of the present invention uses hollow winding PP, service life and strong is effectively guaranteed
Degree, hollow structure also act as certain insulation effect, and the first key core is to realize oxidation ditch circulation in tank body, have
Effect solves in the country sewage short time that flow is big, the big problem of impact strength, without adding conditioning tank and pumping plant, and agriculture
The problem of village's sewage rain dirt does not shunt can also oxidation ditch tank body through the invention disposably solve, it is just heavy to no longer need to add
Pond greatly reduces civil engineering and equipment cost, is additionally arranged anaerobism section on the basis of oxidation ditch circulation channel, is arranged by partition
The adjustment of mode, without in addition increasing occupied area, structure is simple, convenient to carry out.
Second key core is, is filled with flowing filler in the present invention, is just provided with MBBR fluidized bed effect, this hair
It is bright to realize that activated sludge process, contact oxidation method, activated sludge and catalytic oxidation (filler surface film) coexist using flowing filler,
Wherein activated sludge process continuously-running or SBR periodic running in the process of running, passes through dredge pump spoil disposal.
Third key point is that oxidation ditch is arranged first in tank body and forms it into circulation by the present invention, increases inner stuffing
The mobility along oxidation ditch length direction, and utilize flowing packing density control, make its ditch body up and down direction formed ring
Stream, in conjunction with the continuous impact of plate-spinning surface aerator, it is anti-that the combination of three tames into the strain on filler in a short time
It impacts, be not easy the superpower strain peeled off, film adhesive force is strong, impact resistance is 1 ~ 4 times of common floating stuffing.Especially in agriculture
Inside village's sewage, due to the unstability of inflow, flow is especially big in short-term, causes activated sludge to be easy to be lost, needs to tame
Shock proof flowing filler.
4th key point is, the water velocity in oxidation ditch channel close to surface aeration machine is big, activated sludge it is cotton-shaped
Object is easy to smash, but the waters water velocity far from surface aeration machine is small, and the floccule of activated sludge is easy cohesion, it is not easy to
Broken, digestion reaction is good, forms good physics biochemical reaction, improves Nitrogen/Phosphorus Removal.
Detailed description of the invention
Fig. 1 is the main view of embodiment 1.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the main view of embodiment 2.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the top view of Fig. 4.
Fig. 7 is the main view of embodiment 3.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the top view of Fig. 7.
Figure 10 is the main view of embodiment 4.
Figure 11 is the left view of Figure 10.
Figure 12 is the top view of Figure 10.
Figure 13 is the main view of embodiment 5.
Figure 14 is the left view of Figure 13.
Figure 15 is the top view of Figure 13.
Figure 16 is the main view of embodiment 6.
Figure 17 is the left view of Figure 16.
Figure 18 is the top view of Figure 16.
Figure 19 is the scheme of installation of plate-spinning surface aeration machine.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
Embodiment 1: as shown in Figure 1, 2, 3, horizontal integrated A/O oxidation ditch tank, including horizontal tubular tank body 1,1 liang of tank body
The top pressure closure 2 at end, the inlet tube and outlet tube being opened on tank body 1 (3,4), outlet pipe 4 connect adjustable weir plate 5, and tank body 1 is hollow
PP material is wound, 1 inner cavity of tank body is provided with three pieces of demarcation plates 6 along length of tank direction, and three pieces of demarcation plates 6 constitute Y-shaped, will
Tank body 1 divides for lower three chambers (1.1,1.2,1.3) in left and right, and 6 outer end of demarcation plate being vertically arranged and 1 upper end inner wall of tank body connect
It connects, two symmetrical outer ends inclined demarcation plate 6a are tightly connected with corresponding 1 inner wall of tank body, two of them symmetrically inclined separation
The head end of plate 6a and 2 inner wall of end socket of 1 head end of tank body are tightly connected, and 1.3 head end of lower chambers is made to seal to form anaerobism section,
Water inlet pipe 3 is set to 1.3 head end of lower chambers, is connected to anaerobism section, left and right chamber (1.1,1.2) head end connection, and water inlet pipe 3 is set
It is placed in 1.3 head end of lower chambers, the interval of end socket 2 setting of three pieces of 6 tail ends of demarcation plate and 1 tail end of tank body makes lower three chambers in left and right
The mutual connection of tail end of (1.1,1.2,1.3), so that left and right chamber (1.1,1.2) be made to constitute oxidation ditch circulation channel, circulation oxygen
Change and be provided with plate-spinning surface aeration machine 8 in the left and right chamber (1.1,1.2) of channel, is filled out in circulation oxidation channel filled with flowing
Material 9.It is three layers of upper, middle and lower that flowing filler 9, which divides, and first layer floats on liquid level, and density is less than 0.97(t/m3), it is anti-to be effectively formed anaerobism
Answer, the second layer is suspended among sewage, is flowed in rolling, density 0.97-1.1(t/m3), third layer is sunk to the bottom, and density is greater than
1.1(t/m3), as sludge rolls.By height of the density domination filler in sewage, in order to facilitate biofilm, filler can increase
The point with burr shape is arranged in the ingredient of add-back material ratio and carbon, filler surface, it is easier to biofilm.To preferably utilize MBBR work
Skill, effective removing total nitrogen.
Plate-spinning surface aeration machine 8 includes being set up in the live spindle 8.1 of tank body 1, the plate-spinning being socketed in live spindle 8.1
8.2 and speed reducer 8.3 and can positive and negative rotation variable frequency drive motors 8.4,1 side wall of tank body is stretched out at 8.1 both ends of live spindle, corresponding
1 side-wall outer side of tank body be provided with bearing block 8.5, live spindle 8.1 drives end to be pierced by bearing block 8.5 and connect with speed reducer 8.3,
Speed reducer 8.3 connects driving motor 8.4.Plate-spinning 8.2 is provided with several groups, and several groups plate-spinning interval is socketed in rotary shaft 8.1,
The outer diameter of every group of plate-spinning 8.2 reduces gradually from inside to outside with the height in 1 section of tank body, forms ladder-like arrangement.Every group of plate-spinning
Size diameter can be 1200mm, 1000mm, 800mm, 600mm.The advantage of installation plate-spinning surface aeration machine 8 is that it can be carried out
Bidirectional rotation, in general positive oxygenation capacity is 100%, and reversed oxygenation capacity is 70%, and promotion is also reduced therewith, works as inflow
It is less when not needing so strong oxygenation capacity or sludgd deposition, it can be reversed rotation, save energy consumption, change sludge blanket, do not allow
Sludge settling, and inverted umbrella-shaped surface aerator, turn brush surface aeration machine since the limitation of self structure can not be inverted, reversion
Will lead to can not plug-flow and be aerated and cause equipment burnout.
Embodiment 2: as shown in Figure 4,5, 6, referring to embodiment 1, remaining feature invariant exposes the plate-spinning surface in tank body 1
Mechanism of qi 8 removes, and is changed to be each provided with a surface aerating machine of inverted umbrella 10, surface aerating machine of inverted umbrella 10 in tank body at both ends circulation mouth 7
For the prior art, including the umbrella that falls on main shaft, motor, speed reducer and main shaft, main shaft protrudes into tank body from tank body top, motor
With speed reducer case in tank body apical lateral, avoid and waste water.
Embodiment 3: as shown in Fig. 7,8,9, referring to embodiment 1: remaining feature invariant, by the intracorporal plate-spinning surface aeration of tank
Machine 8 removes, and is changed to be provided with one in the left and right chamber (1.1,1.2) of circulation oxidation channel and turn brush surface aeration machine 11, turn
Brush surface aeration machine 11 also be the prior art, generally turn brush surface aeration machine by motor, retarder, main shaft, aeration rotary brush blade,
Composition, the main shaft such as support and shaft coupling, lubrication sealing system are turned round under the drive of transmission device with certain speed, on main shaft
It is evenly arranged the brushing piece made of carbon steel, stainless steel material or nonmetallic materials, aeration rotary brush blade is revolved with major axis horizontal
During turning, brushing piece is contacted with water, the oxygen in air is constantly imported in water, and water throwing is entered in the air, is sufficiently connect with air
Touching, air dissolve in water rapidly, and completion was oxygenated process.Simultaneously aeration rotary brush to the impetus of water ensure bottom of pond have 0.15~
The flow velocity of 0.3m/s makes activated sludge be in suspension transition state, with water inlet good mixing.Rotating brush type aerator has dynamic efficiency
High, the characteristics of oxygenation capacity is big, the service life is long, power loss is low, low noise, stable and reliable operation.
Embodiment 4: as shown in Figure 10,11,12, horizontal integrated A/O oxidation ditch tank, including horizontal tubular tank body 1, tank body
The top pressure closure 2 at 1 both ends, the inlet tube and outlet tube being opened on tank body 1 (3,4), outlet pipe 4 connect adjustable weir plate 5, during tank body 1 is
Sky winding PP material, 1 inner cavity of tank body are provided with two pieces of demarcation plates 6 along length of tank direction, and two pieces of demarcation plates 6 constitute inverted T-shape,
Tank body 1 is divided for lower three chambers (1.1,1.2,1.3) in left and right, the outer end demarcation plate 6a being vertically arranged and tank body upper end inner wall connect
It connects, the both ends horizontal splitter plate 6b are tightly connected with corresponding inner tank wall, the head end of horizontal splitter plate 6b and the envelope of 1 head end of tank body
Head inner wall is tightly connected, and 1.3 head end of lower chambers is made to seal to form anaerobism section, and water inlet pipe 3 is set to 1.3 head end of lower chambers, connection
Anaerobism section, left and right chamber (1.1,1.2) head end connection, water inlet pipe 3 are set to 1.3 head end of lower chambers, two pieces of 6 tail ends of demarcation plate with
The end socket interval of 1 tail end of tank body is arranged, and makes the mutual connection of tail end of lower three chambers (1.1,1.2,1.3) in left and right, to make a left side
Right chamber (1.1,1.2) constitutes oxidation ditch circulation channel, lower three chambers in left and right chamber (1.1,1.2) head end connection position and left and right
The tail end connection position of (1.1,1.2,1.3) is provided with surface aerating machine of inverted umbrella 10, fills out in circulation oxidation channel filled with flowing
Material 9.It is three layers of upper, middle and lower that flowing filler 9, which divides, and first layer floats on liquid level, and density is less than 0.97(t/m3), it is anti-to be effectively formed anaerobism
Answer, the second layer is suspended among sewage, is flowed in rolling, density 0.97-1.1(t/m3), third layer is sunk to the bottom, and density is greater than
1.1(t/m3), as sludge rolls.By height of the density domination filler in sewage, in order to facilitate biofilm, filler can increase
The point with burr shape is arranged in the ingredient of add-back material ratio and carbon, filler surface, it is easier to biofilm.To preferably utilize MBBR work
Skill, effective removing total nitrogen.
Embodiment 5: as shown in Figure 13,14,15, referring to embodiment 1, remaining feature invariant, by the intracorporal plate-spinning surface of tank
Aerator 8 removes, and is changed to be each provided with a surface aerating machine of inverted umbrella 10, surface aerating machine of inverted umbrella in tank body at both ends circulation mouth 7
10 be the prior art, and including the umbrella that falls on main shaft, motor, speed reducer and main shaft, main shaft protrudes into tank body from tank body top, electricity
Machine and speed reducer case avoid and waste water in tank body apical lateral.
Embodiment 6: as shown in Figure 16,17,18, referring to embodiment 1: remaining feature invariant, by the intracorporal plate-spinning surface of tank
Aerator 8 removes, and is changed to be provided with one in the left and right chamber (1.1,1.2) of circulation oxidation channel and turn brush surface aeration machine
11, turning brush surface aeration machine 11 also is the prior art, generally turns brush surface aeration machine by motor, retarder, main shaft, aeration rotary brush
Composition, the main shaft such as blade, support and shaft coupling, lubrication sealing system are turned round under the drive of transmission device with certain speed,
The brushing piece made of carbon steel, stainless steel material or nonmetallic materials is evenly arranged on main shaft, aeration rotary brush blade is with main shaft
During horizontal rotation, brushing piece is contacted with water, the oxygen in air is constantly imported in water, and water throwing is entered in the air, sufficiently with
Air contact, air dissolve in water rapidly, and completion was oxygenated process.Aeration rotary brush ensures that bottom of pond has to the impetus of water simultaneously
The flow velocity of 0.15~0.3m/s makes activated sludge be in suspension transition state, with water inlet good mixing.Rotating brush type aerator has dynamic
The characteristics of force efficiency is high, oxygenation capacity is big, the service life is long, power loss is low, low noise, stable and reliable operation.
In above-mentioned implementation 1 ~ 6, material does not limit hollow winding PP, or glass reinforced plastic, stainless steel, common PP material
Matter, but intensity and shock resistance effect are relatively weak.
In addition the plate body of section at least one group symmetrical wave crest and trough of above-mentioned demarcation plate can be S-shaped, waveform, Z
Font etc..The simple deformation of equal partition of the present invention, is within the scope of the invention.
According to the special flow feature of country sewage, tank body of the invention is devised, makes tank body in accounting for inherently
Ground area is small, on the basis of low manufacture cost, using oxidation ditch circulation channel is arranged in tank body, has been provided simultaneously with and has been suitable for rural area
Sewage the problem of flow is big in short-term, and rain dirt does not shunt, and joined flowing filler on the basis of this, make that three can be achieved in tank body
Big technique: one, activated sludge process；Two, contact oxidation method；Three, activated sludge and catalytic oxidation coexist；Thirdly the generation of big technique
Mainly as caused by the influent quality difference of country sewage, even if in intake high COD, low BOD, apotrophic situation,
Aminating reaction or nitration reaction still may be implemented, there is good removing total nitrogen effect, it is main especially in mentioning mark transformation process
The difficult point wanted is that the total nitrogen being discharged cannot be up to standard, by way of oxidation ditch ditch type, can realize high COD, low BOD water quality very well
Lower denitrogenation dephosphorizing.
In addition in the case that or else the present invention increases tank body occupied area, by the improvement of tank body internal partition component, increase
Anaerobism section, realizes A/O oxidation ditch process, substantially increases the effect of denitrogenation dephosphorizing.
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Claims (12)
1. horizontal integrated A/O oxidation ditch tank, including horizontal tubular tank body, tank body both ends top pressure closure, be opened on tank body
Entery and delivery port, it is characterised in that tank inner chamber is provided with baffle assembly along length of tank direction and divides tank body along its length
Three chambers, two of them chamber head end connection are divided into, another chamber head end forms sealed chamber, and sealed chamber constitutes anaerobism
Water inlet is arranged in Duan Liudao, sealed chamber head end, and the mutual connection of the tail end of three chambers makes the two chambers in addition to sealed chamber
Head and the tail connection constitutes circulation and aoxidizes channel, is provided at least one plug-flow and/or oxygenate apparatus, circulation oxygen in circulation oxidation channel
Change in channel filled with flowing filler.
2. horizontal integrated A/O oxidation ditch tank according to claim 1, it is characterised in that baffle assembly is to surround in tank body
Length of tank direction central axes form three pieces of plate bodys of different angles from horizontal plane, share a long sides on the inside of three pieces of plate bodys, and three pieces
The outermost long side of plate body is connect with inner tank wall, and the sealing of two pieces of arbitrary neighborhood of the head end and tank body head end of three pieces of plate bodys is sealed
Head is tightly connected, and one of chamber head end is made to form sealed chamber, and sealed chamber constitutes anaerobism section runner, the tail of three pieces of plate bodys
End is arranged with tank body tail end interval, constitutes circulation mouth, and the mutual connection of the tail end of three chambers makes two chambers in addition to sealed chamber
Room head and the tail connection constitutes circulation and aoxidizes channel.
3. horizontal integrated A/O oxidation ditch tank according to claim 2, it is characterised in that three pieces of plate bodys are trident, Y word
Shape.
4. horizontal integrated A/O oxidation ditch tank according to claim 1, it is characterised in that baffle assembly is along length of tank
The two boards body of setting, one piece is horizontal plate body, and another piece is to be crossed to form inclining less than 180 degree angle with level board body surface face
The outboard end of inclined plate, two boards body is connect with inner tank wall, and tank body is separated into three cavitys.
5. horizontal integrated A/O oxidation ditch tank according to claim 4, it is characterised in that the section of two boards body is T word
Shape.
6. horizontal integrated A/O oxidation ditch tank according to claim 1, it is characterised in that plug-flow and/or oxygenate apparatus are
Plate-spinning surface aeration machine, inverted umbrella-shaped surface aerator, the one kind or combination for turning brush surface aeration machine.
7. horizontal integrated A/O oxidation ditch tank according to claim 1, it is characterised in that flowing filler be Ball-type packing,
Hollow sponge Ball-type packing, square filler are a kind of or combine.
8. horizontal integrated A/O oxidation ditch tank according to claim 6, it is characterised in that flowing filler is divided into upper, middle and lower three
Layer, first layer float on liquid level, and density is less than 0.97(t/m3), the second layer is suspended among sewage, is flowed in rolling, density
0.97-1.1(t/m3), third layer is sunk to the bottom, and density is greater than 1.1(t/m3), as sludge rolls.
9. horizontal integrated A/O oxidation ditch tank according to claim 1, it is characterised in that tank body material is hollow winding
PP。
10. horizontal integrated A/O oxidation ditch tank according to claim 4, it is characterised in that plate-spinning surface aeration machine includes
Be set up in tank body live spindle, the plate-spinning being socketed in live spindle and speed reducer and can positive and negative rotation driving motor, rotation
Tank wall is stretched out at main shaft both ends, and bearing block is provided on the outside of corresponding tank wall, and live spindle driving end is pierced by bearing block
It is connect with speed reducer, speed reducer connects driving motor.
11. horizontal integrated A/O oxidation ditch tank according to claim 8, it is characterised in that plate-spinning is provided with several groups, if
A dry group plate-spinning interval is socketed in rotary shaft, and the outer diameter of every group of plate-spinning reduces gradually from inside to outside with the height in tank body section,
Form ladder-like arrangement.
12. horizontal integrated oxidation ditch tank according to claim 1, it is characterised in that water outlet is provided with adjustable weir plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469649.0A CN110182951B (en) | 2019-05-31 | 2019-05-31 | Horizontal integrated A/O oxidation ditch tank |
| NL2025280A NL2025280B1 (en) | 2019-05-31 | 2020-04-06 | Horizontal integrated Anoxicleic (AIO) oxidation ditch tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469649.0A CN110182951B (en) | 2019-05-31 | 2019-05-31 | Horizontal integrated A/O oxidation ditch tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110182951A true CN110182951A (en) | 2019-08-30 |
| CN110182951B CN110182951B (en) | 2024-02-27 |
Family
ID=67719537
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910469649.0A Active CN110182951B (en) | 2019-05-31 | 2019-05-31 | Horizontal integrated A/O oxidation ditch tank |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110182951B (en) |
| NL (1) | NL2025280B1 (en) |
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|---|---|---|---|---|
| LU55749A1 (en) * | 1968-03-22 | 1968-06-10 | ||
| US4443338A (en) * | 1977-11-04 | 1984-04-17 | Reid John H | Conversion of plug flow and complete mix aeration basins to barrier oxidation ditches |
| CN2415029Y (en) * | 2000-04-13 | 2001-01-17 | 广东省环境工程装备总公司 | Sewage treating device |
| JP2007275895A (en) * | 2007-07-30 | 2007-10-25 | Hitachi Plant Technologies Ltd | Method for removing nitrogen in membrane separation type oxidation ditch and device therefor |
| CN101531439A (en) * | 2009-04-27 | 2009-09-16 | 江苏金山环保工程集团有限公司 | Integrative three-bent tridimensional cyclic oxidation ditch |
| CN201325908Y (en) * | 2008-12-17 | 2009-10-14 | 北京桑德环境工程有限公司 | Improved sewage treatment system for oxidation ditch |
| CN101786727A (en) * | 2010-02-04 | 2010-07-28 | 浙江大学 | Moving-bed biofilm oxidation ditch |
| CN201793459U (en) * | 2010-07-07 | 2011-04-13 | 湖南国祯环保科技有限责任公司 | Oxidation ditch used for sewage treatment |
| CN106830329A (en) * | 2017-03-30 | 2017-06-13 | 居文钟 | Double-decker three-dimensional circular-flow integration oxidation ditch |
| CN210656354U (en) * | 2019-05-31 | 2020-06-02 | 凌志环保股份有限公司 | Horizontal integrated A/O oxidation ditch tank |
-
2019
- 2019-05-31 CN CN201910469649.0A patent/CN110182951B/en active Active
-
2020
- 2020-04-06 NL NL2025280A patent/NL2025280B1/en active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU55749A1 (en) * | 1968-03-22 | 1968-06-10 | ||
| US4443338A (en) * | 1977-11-04 | 1984-04-17 | Reid John H | Conversion of plug flow and complete mix aeration basins to barrier oxidation ditches |
| CN2415029Y (en) * | 2000-04-13 | 2001-01-17 | 广东省环境工程装备总公司 | Sewage treating device |
| JP2007275895A (en) * | 2007-07-30 | 2007-10-25 | Hitachi Plant Technologies Ltd | Method for removing nitrogen in membrane separation type oxidation ditch and device therefor |
| CN201325908Y (en) * | 2008-12-17 | 2009-10-14 | 北京桑德环境工程有限公司 | Improved sewage treatment system for oxidation ditch |
| CN101531439A (en) * | 2009-04-27 | 2009-09-16 | 江苏金山环保工程集团有限公司 | Integrative three-bent tridimensional cyclic oxidation ditch |
| CN101786727A (en) * | 2010-02-04 | 2010-07-28 | 浙江大学 | Moving-bed biofilm oxidation ditch |
| CN201793459U (en) * | 2010-07-07 | 2011-04-13 | 湖南国祯环保科技有限责任公司 | Oxidation ditch used for sewage treatment |
| CN106830329A (en) * | 2017-03-30 | 2017-06-13 | 居文钟 | Double-decker three-dimensional circular-flow integration oxidation ditch |
| CN210656354U (en) * | 2019-05-31 | 2020-06-02 | 凌志环保股份有限公司 | Horizontal integrated A/O oxidation ditch tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110182951B (en) | 2024-02-27 |
| NL2025280B1 (en) | 2022-02-21 |
| NL2025280A (en) | 2020-12-03 |
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